Gas Meter

Abstract

The utility model relates to the field of fluid measurement technology, and discloses a gas meter, including a shell, a metering component and a valve component, wherein the shell is provided with an air inlet and an air outlet, the metering component is arranged in the inner cavity of the shell, the valve component includes a valve seal and a drive component, the drive component is connected to the valve seal, the valve seal is movably arranged at one end of the metering component, the drive component is arranged at one side of the valve seal along a first direction, the first direction is arranged at an angle with the axial direction of the air inlet and the air outlet, and the drive component is used to drive the valve seal to move. The gas meter of the utility model arranges the drive component at one side of the valve seal along a direction at an angle with the axial direction of the air inlet and the air outlet, so that the drive component can be arranged in more positions, and the placement position of the drive component can be adjusted according to actual needs, so that the internal space layout of the gas base meter is more flexible, the compactness of the internal structure of the base meter is improved, the external dimensions of the base meter are reduced, and the installation space of the base meter is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid measurement, in particular to a gas meter. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] At present, due to the small size of the motor valve, it is installed inside the gas shell to form a built-in valve gas meter. The built-in valve gas meter has the advantages of compact structure, small size, and no leakage due to external valve, and is widely used.

[0004] However, the motor of the existing built-in valve gas meter is usually set at the bottom of the valve, and the placement position is single, which is not conducive to the arrangement of the positions of necessary components in the meter, resulting in waste of internal space of the gas base meter and increasing the material cost of the base meter. Utility Model Content

[0005] The purpose of the utility model is to at least solve the problem that the motor is placed in a single position, which is not conducive to the arrangement of necessary components in the meter, resulting in waste of internal space of the gas meter and increasing the cost of the material of the meter. This purpose is achieved through the following technical solutions:

[0006] The utility model proposes a gas meter, comprising:

[0007] A housing, wherein an air inlet and an air outlet are provided on the housing;

[0008] A metering component, the metering component is arranged in the inner cavity of the shell;

[0009] A valve assembly includes a valve seal and a drive assembly, wherein the drive assembly is connected to the valve seal, the valve seal is movably arranged at one end of the metering assembly, the drive assembly is arranged on one side of the valve seal along a first direction, the first direction is arranged at an angle to the axial direction of the air inlet and the air outlet, and the drive assembly is used to drive the valve seal to move.

[0010] The gas meter of the utility model arranges the driving component on one side of the valve seal in a direction that is angled with the axial direction of the air inlet and the air outlet, so that the driving component can be arranged in more positions, and the placement position of the driving component can be adjusted according to actual needs, thereby making the internal space layout of the gas base meter more flexible, improving the compactness of the internal structure of the base meter, reducing the external dimensions of the base meter, and saving the installation space inside the base meter.

[0011] In addition, the gas meter according to the utility model may also have the following additional technical features:

[0012] In some embodiments of the present invention, the first direction is perpendicular to the axial direction of the air inlet and the air outlet, and the drive assembly is arranged at one end of the valve seal away from the metering assembly along a direction perpendicular to the axial direction of the air inlet and the air outlet.

[0013] In some embodiments of the present invention, the drive assembly is disposed on the front side or the rear side of the valve seal along a direction perpendicular to the axial direction of the air inlet and the air outlet.

[0014] In some embodiments of the present invention, the metering assembly includes a metering module and a metering channel connected to each other, the metering channel is in communication with the valve assembly, and the metering module is disposed at the front side or the rear side of the metering channel.

[0015] In some embodiments of the present utility model, the gas meter further includes a guide channel, which is arranged in the inner cavity of the shell, the inlet end of the guide channel is connected to the outlet end of the metering assembly, and the outlet end of the guide channel is connected to the valve assembly.

[0016] In some embodiments of the present invention, the guide channel is an L-shaped guide channel, the inlet end of the L-shaped guide channel is connected to the outlet end of the metering channel, and the metering module is arranged at the top of the metering channel and close to the top wall of the shell.

[0017] In some embodiments of the present invention, the valve assembly further comprises a valve frame, a movement space is provided in the valve frame, the valve seal is movably provided in the movement space, and a second sealing member is provided at the connection between the valve frame and the drive assembly.

[0018] In some embodiments of the present invention, the L-shaped guide channel includes a first guide section and a second guide section that are perpendicular and connected to each other, the inlet end of the first guide section is connected to the outlet end of the metering channel, and the outlet end of the second guide section is connected to the movement space.

[0019] In some embodiments of the present invention, the metering component further includes a first seal, which is disposed between the outlet end of the metering channel and the inlet end of the guide channel.

[0020] In some embodiments of the utility model, the gas meter structure further includes an air outlet channel, both ends of which are respectively connected to the air outlet and the movement space, and a third seal is further provided at the connection between the air outlet channel and the air outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0022] Figure 1 The cross-sectional view of a gas meter according to an embodiment of the present invention is schematically shown. Figure 1 ;

[0023] Figure 2 The cross-sectional view of a gas meter according to an embodiment of the present invention is schematically shown. Figure 2 ;

[0024] Figure 3 A cross-sectional view of a gas meter according to another embodiment of the present invention is schematically shown. Figure 1 ;

[0025] Figure 4 A cross-sectional view of a gas meter according to another embodiment of the present invention is schematically shown. Figure 2 ;

[0026] Figure 5 A cross-sectional schematic diagram of a gas meter according to another embodiment of the utility model is schematically shown.

[0027] The reference numerals are as follows:

[0028] 1. Shell; 10. Upper cover; 100. Air inlet; 101. Air outlet; 11. Base; 12. Inner cavity;

[0029] 2. Valve assembly; 20. Valve seal; 21. Drive assembly; 210. Motor; 22. Valve frame; 220. Movement space;

[0030] 3. Guide channel; 30. L-shaped guide channel; 301. First guide section; 302. Second guide section; 31. Straight guide channel;

[0031] 4. Metering assembly; 40. Metering module; 41. Metering channel; 410. Bell mouth structure;

[0032] 5. The first seal;

[0033] 6. Second sealing member;

[0034] 7. The third seal;

[0035] 8. Exhaust channel. DETAILED DESCRIPTION

[0036] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0037] It should be understood that the terms used in the text are only for the purpose of describing specific example embodiments, and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used in the text may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0038] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0039] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both above and below orientations.

[0040] The built-in valve of the built-in valve gas meter in the related art is installed in the gas meter body through the valve frame. The valve switching direction is usually arranged toward the gas outlet, and the motor is usually set at the bottom of the valve. The placement position is single, which is not conducive to the arrangement of the positions of necessary components in the meter, resulting in waste of internal space of the gas base meter and increased material cost of the base meter.

[0041] In view of this, the present embodiment provides a gas meter structure, which aims to solve the above-mentioned technical problems by arranging the drive component 21 on one side of the valve seal 20 in a direction that is angled with the axial direction of the air inlet 100 and the air outlet 101. The placement position of the drive component 21 can be adjusted according to actual needs, thereby making the internal space layout of the gas base meter more flexible and the interior more compact.

[0042] like Figures 1 to 4 As shown, according to the embodiment of the utility model, a gas meter structure is proposed, which includes a housing 1, a metering assembly 4 and a valve assembly 2. The housing 1 includes an upper cover 10 and a base 11, and the upper cover 10 and the base 11 are detachably connected by bolts. An air inlet 100 and an air outlet 101 are provided on one side of the housing 1. The air inlet 100 and the air outlet 101 are provided on the upper cover 10. The housing 1 defines an inner cavity 12, and the air inlet 100 and the air outlet 101 are both connected to the inner cavity 12. The metering assembly 4 is provided in the inner cavity 12, and the valve assembly 2 includes a valve seal 20 and a drive assembly 21, and the drive assembly 21 is connected to the valve seal 20. The valve seal 20 is movably provided at one end of the metering assembly 4, and the drive assembly 21 is provided at one side of the valve seal 20 along a first direction, and the first direction is provided at an angle with the axial direction of the air inlet 100 and the air outlet 101, and the drive assembly 21 is used to drive the valve seal 20 to move.

[0043] The gas meter of the present invention arranges the drive component 21 on one side of the valve seal 20 in a direction that forms an angle with the axial direction of the air inlet 100 and the air outlet 101, so that the drive component 21 can be arranged in more positions, and the placement position of the drive component 21 can be adjusted according to actual needs, thereby making the internal space layout of the gas base meter more flexible, improving the compactness of the internal structure of the base meter, reducing the external dimensions of the base meter, and saving the internal installation space and material costs of the base meter.

[0044] In one embodiment of the utility model, the first direction is perpendicular to the axial direction of the air inlet 100 and the air outlet 101, and the drive assembly 21 is arranged at the end of the valve seal 20 away from the metering assembly 4 along the direction perpendicular to the axial direction of the air inlet 100 and the air outlet 101. Specifically, the valve seal 20 has a front-to-back direction and a left-to-right direction, and the front-to-back direction and the left-to-right direction intersect and are perpendicular to each other. The drive assembly 21 includes a motor 210, the valve seal 20 is arranged near the air outlet 101, and the valve seal 20 is arranged along the axial direction perpendicular to the air outlet 101, at this time, the switching direction of the valve seal 20 is not toward the air outlet 101, the guide channel 3 is arranged on one side of the valve seal 20 along the length direction of the inner cavity 12, and the motor 210 is installed on the side of the valve seal 20 away from the metering assembly 4 along the direction perpendicular to the axial direction of the air inlet 100 and the air outlet 101, that is, the motor 210 is arranged on the right side of the valve seal 20 along the left-to-right direction, and the motor 210 drives the valve seal 20 to move.

[0045] In another embodiment of the present invention, the drive assembly 21 is disposed on the front side or the rear side of the valve seal 20 along a direction perpendicular to the axial direction of the air inlet 100 and the air outlet 101. Figure 5 As shown, the motor 210 is arranged on the front side of the valve seal 20 along the front-to-back direction, and can also be arranged on the rear side of the valve seal 20. Through the above arrangement, the length of the gas meter can be reduced, making the internal space layout of the gas base meter more flexible and the interior more compact.

[0046] In other embodiments, the valve seal 20 may also be arranged along the axial direction of the air outlet 101. In this arrangement, the motor 210 is arranged perpendicular to the moving direction of the valve seal 20. For example, the motor 210 is arranged at the bottom of the valve seal 20. In addition, the valve seal 20 and the motor 210 may also be arranged close to the air inlet 100.

[0047] In some embodiments of the utility model, the metering assembly 4 includes a metering module 40 and a metering channel 41 connected to each other, the metering channel 41 is connected to the valve assembly 2, and the metering module 40 is arranged at the front side or the rear side of the metering channel 41. Specifically, the metering channel 41 has a front-to-back direction and a left-to-right direction. The metering module 40 is arranged at the front side of the metering channel 41 along the front-to-back direction, and can also be arranged at the rear side of the metering channel 41. Through the above arrangement, the length of the gas meter can be reduced, and the internal space layout of the gas base meter can be more flexible and the interior can be more compact. The metering module 40 and the metering channel 41 are detachably connected by a buckle, the outlet end of the metering channel 41 is connected to the inlet end of the valve assembly 2, and the inlet end of the metering channel 41 is connected to the inner cavity 12. The inlet end of the metering channel 41 is provided with a bell mouth structure 410, and the bell mouth structure makes the airflow directly from the inner cavity 12 of the gas meter into the metering assembly 4 more gentle and smooth, thereby ensuring the metering accuracy of the metering assembly 4.

[0048] In some embodiments of the utility model, the valve assembly 2 further comprises a valve frame 22, a movement space 220 is provided in the valve frame 22, the valve seal 20 is movably arranged in the movement space 220, and a second sealing member 6 is arranged at the connection between the valve frame 22 and the driving assembly 21. Specifically, the valve frame 22 is provided with a valve frame air inlet and a valve frame air outlet, the valve frame 22 has a movement space 220, the valve seal 20 is arranged in the valve frame 22, the valve frame air inlet is communicated with the air outlet 101 of the guide channel 3, the valve frame air outlet is communicated with the air outlet 101 of the gas meter, the motor 210 is fixedly connected to the valve frame 22 by screws, the driving end of the motor 210 is connected to the valve seal 20, and the motor 210 drives the valve seal 20 to move in the movement space 220 to close or conduct the valve frame air inlet. The valve frame air inlet is communicated with the guide channel 3, and the air flow enters the valve frame 22 through the guide channel 3. In the closed state, the valve seal 20 is tightly fitted with the outlet end of the guide channel 3. The movement of the valve seal 20 includes linear movement or curvilinear movement, which is not limited here, as long as it can ensure that the valve seal 20 can close or conduct the air inlet of the valve frame. In this embodiment, the second sealing member 6 includes a second sealing ring. A second mounting groove is provided on the end surface of the valve frame 22, and the second sealing ring is installed in the second sealing groove. By providing the second sealing ring between the valve frame 22 and the motor 210, it is possible to prevent gas leakage from the connection between the valve frame 22 and the motor 210, thereby improving the sealing and reliability of the gas meter. In other embodiments, the second sealing groove may also be provided on the end surface of the motor 210.

[0049] In some embodiments of the utility model, the gas meter further includes a flow guide channel 3, which is arranged in the inner cavity 12 of the shell 1, and the inlet end of the flow guide channel 3 is connected to the outlet end of the metering assembly 4, and the outlet end of the flow guide channel 3 is connected to the valve assembly 2. Specifically, the inlet end of the flow guide channel 3 is connected to the outlet end of the metering channel 41, and the outlet end of the flow guide channel 3 is connected to the valve assembly 2. The flow guide channel 3 is an L-shaped flow guide channel 30, and the inlet end of the L-shaped flow guide channel 30 is connected to the outlet end of the metering channel 41. The metering module 40 is arranged at the top of the metering channel 41 and is arranged close to the top wall of the shell 1. The L-shaped flow guide channel 30 includes a first flow guide section 301 and a second flow guide section 302 which are perpendicular to each other and connected. The inlet end of the first flow guide section 301 is connected to the outlet end of the metering channel 41, and the outlet end of the second flow guide section 302 is connected to the movement space 220. By setting an L-shaped guide channel 30, the distance between the metering component 4 and the air inlet 100 can be increased. When metering, the airflow entering the inner cavity 12 through the air inlet 100 diffuses in the inner cavity 12 and then enters the metering channel 41, which is conducive to relatively gentle airflow entering the metering channel 41, thereby ensuring the metering accuracy of the metering component 4.

[0050] In some embodiments of the utility model, the metering assembly 4 further includes a first seal 5, which is disposed between the outlet end of the metering channel 41 and the inlet end of the guide channel 3. In this embodiment, the first seal 5 includes a first sealing ring. A first mounting groove is disposed on the outer peripheral surface of the guide channel 3, and the first sealing ring is installed in the first sealing groove. By disposing the first sealing ring between the outlet end of the metering channel 41 and the inlet end of the guide channel 3, gas leakage from the connection between the metering channel 41 and the guide channel 3 can be prevented, thereby improving the sealing and reliability of the gas meter. In other embodiments, the first sealing groove can also be disposed on the inner end surface of the metering channel 41.

[0051] In other embodiments, the guide channel 3 can also be set as an S-shaped guide channel, the inlet end of the S-shaped guide channel is connected to the outlet end of the metering channel 41, and the outlet end of the S-shaped guide channel is connected to the movement space 220.

[0052] In some embodiments of the utility model, the gas meter structure further includes an air outlet channel 8, the two ends of which are respectively connected to the air outlet 101 and the movement space 220, and a third sealing member 7 is also provided at the connection between the air outlet channel 8 and the air outlet 101. Specifically, one end of the air outlet channel 8 is connected to the air outlet 101, and the axial direction of the air outlet channel 8 coincides with the axial direction of the air outlet 101, and the other end of the air outlet channel 8 is connected to the valve frame 22, and the air outlet channel 8 and the valve frame 22 are an integral structure. A card block is provided on the inner circumference of the air outlet 101, and a step structure is provided on the end face close to the air outlet channel 8. Correspondingly, a card slot is provided on the outer circumference of the air outlet channel 8, and the card slot is adapted to the card block. When the air outlet channel 8 is installed, the card block and the card slot are engaged and matched, so that the air outlet channel 8 is installed at the air outlet 101. In this embodiment, the third sealing member 7 includes a third sealing ring, and a third mounting groove is provided on the outer peripheral surface of the gas outlet channel 8. The third sealing ring is installed in the third sealing groove. By providing the third sealing ring between the outlet end of the gas outlet channel 8 and the gas outlet 101, gas leakage from the connection between the gas outlet channel 8 and the gas outlet 101 can be prevented, thereby improving the sealing and reliability of the gas meter.

[0053] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A gas meter, characterized in that: include: A housing, wherein an air inlet and an air outlet are provided on the housing; A metering component, the metering component is arranged in the inner cavity of the shell; A valve assembly includes a valve seal and a drive assembly, wherein the drive assembly is connected to the valve seal, the valve seal is movably arranged at one end of the metering assembly, the drive assembly is arranged on one side of the valve seal along a first direction, the first direction is arranged at an angle to the axial direction of the air inlet and the air outlet, and the drive assembly is used to drive the valve seal to move.

2. The gas meter according to claim 1, characterized in that: The first direction is perpendicular to the axial direction of the air inlet and the air outlet. The drive assembly is arranged at one end of the valve seal away from the metering assembly along the direction perpendicular to the axial direction of the air inlet and the air outlet.

3. The gas meter according to claim 1, characterized in that: Along a direction perpendicular to the axial direction of the air inlet and the air outlet, the drive assembly is arranged on the front side or the rear side of the valve seal.

4. The gas meter according to claim 1, characterized in that: The metering assembly includes a metering module and a metering channel that are connected to each other. The metering channel is communicated with the valve assembly. The metering module is arranged at the front side or the rear side of the metering channel.

5. The gas meter according to claim 4, characterized in that: The gas meter further comprises a flow guiding channel, which is arranged in the inner cavity of the shell, the inlet end of the flow guiding channel is communicated with the outlet end of the metering component, and the outlet end of the flow guiding channel is communicated with the valve component.

6. The gas meter according to claim 5, characterized in that: The guide channel is an L-shaped guide channel, the inlet end of the L-shaped guide channel is connected to the outlet end of the metering channel, and the metering module is arranged on the top of the metering channel and close to the top wall of the shell.

7. The gas meter according to claim 6, characterized in that: The valve assembly further comprises a valve frame, a movement space is arranged in the valve frame, the valve seal is movably arranged in the movement space, and a second sealing member is arranged at the connection between the valve frame and the drive assembly.

8. The gas meter according to claim 7, characterized in that: The L-shaped flow guide channel includes a first flow guide section and a second flow guide section which are perpendicular to each other and connected. The inlet end of the first flow guide section is connected to the outlet end of the metering channel, and the outlet end of the second flow guide section is connected to the movement space.

9. The gas meter according to claim 5, characterized in that: The metering assembly further includes a first seal, which is disposed between the outlet end of the metering channel and the inlet end of the guide channel.

10. The gas meter according to claim 7, characterized in that: The gas meter structure further comprises an air outlet channel, both ends of which are respectively connected to the air outlet and the movement space, and a third sealing member is further provided at the connection between the air outlet channel and the air outlet.

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