CN218955832U - Metering instrument - Google Patents

Abstract

The utility model particularly relates to a metering instrument which comprises a counter bracket, an upper cover assembly and a base meter assembly, wherein the counter bracket is provided with a containing groove for installing a counter, and a transmission part is arranged on the counter bracket and is in transmission connection with the counter. The counter bracket is detachably mounted on the upper cover assembly. The base meter component is provided with an output part, the upper cover component is detachably arranged on the base meter component, the transmission part is in a mounting state in transmission connection with the output part when the upper cover component is arranged on the base meter component, and the transmission part is in a free state separated from the output part when the upper cover component is separated from the base meter component. According to the metering instrument, the counter is mounted on the upper cover assembly through the counter support, and meanwhile, the upper cover assembly and the base meter assembly are mounted in a matched mode, so that the transmission part is in transmission connection with the output part, the mounting difficulty of the counter can be effectively reduced, the mounting operation of the counter is simplified, and the mounting efficiency of the counter is further improved.

Description

Metering instrument

Technical Field

The utility model belongs to the technical field of flow metering, and particularly relates to a metering device.

Background

The metering device is usually composed of a controller and a base meter, and each company can determine the specification of the base meter according to the own requirements when in use. The counter is used as a metering device of the metering instrument, and is required to be custom designed according to the specification characteristics of the base table, and each counter is matched with the corresponding base table. In order to mount the counter on the base table, a corresponding counter support is usually designed, and meanwhile, the counter support can enable the counter to be more stable in operation.

At present, the counter is installed on a counter support, a plurality of transmission gears are installed in a base meter support of a base meter, the counter support is installed in the base meter support, or the plurality of transmission gears are installed on the counter support, and then the counter support is installed on the base meter support. Finally, the counter is protected by mounting the cover on the base meter bracket.

However, in the process of installing the counter, if a plurality of transmission gears are respectively installed on the base table bracket, the transmission gears need to be adjusted in a one-to-one alignment mode, and then the transmission gears are matched and connected with the head wheel on the counter. If a plurality of transmission gears are arranged on the counter bracket, the transmission gears and the output gears of the base meter are required to be aligned and adjusted, and then the counter bracket is fixed on the base meter bracket. The gear is required to be installed and adjusted in a positive mode no matter which structure is adopted, the plurality of transmission gears are in a scattered state, the installation process is complex in operation, and risks of gear collision and gear detachment are easy to occur.

Disclosure of Invention

The utility model aims to at least solve the problems that the operation is complex, and the gear is easy to collide with teeth and separate from the counter in the mounting process. The aim is achieved by the following technical scheme:

the utility model provides a metering device, comprising:

the counter bracket is provided with a containing groove for installing a counter, and is provided with a transmission part which is in transmission connection with the counter;

the counter bracket is detachably arranged on the upper cover assembly;

the base table assembly is provided with an output part, the upper cover assembly is detachably arranged on the base table assembly, when the upper cover assembly is arranged on the base table assembly, the transmission part is in an installation state in transmission connection with the output part, and when the upper cover assembly is separated from the base table assembly, the transmission part is in a free state separated from the output part.

The metering instrument comprises a counter bracket, an upper cover assembly and a base meter assembly. Through setting up the counter support to can assemble the counter on the counter support in advance, form counter modularization mounting structure, then install the counter support on the upper cover subassembly, install the upper cover subassembly on the base table subassembly, with the installation of completion counter on the base table. Through the assembly in-process at upper cover subassembly and base table subassembly, the transmission connection of the transmission portion on the automatic completion counter support and the output portion on the base table subassembly can effectively reduce the installation degree of difficulty of counter, simplifies the installation operation of counter to further improve the installation effectiveness of counter.

In addition, the metering device according to the utility model can also have the following additional technical features:

in some embodiments of the present utility model, the upper cover assembly has a receiving space in which the counter support is mounted, a first fixing structure is disposed in the receiving space, the counter support is mounted on the upper cover assembly by the first fixing structure, and the counter is spaced apart from the upper cover assembly.

In some embodiments of the present utility model, a second fixing structure is provided on the counter bracket, and the first fixing structure is cooperatively connected with the second fixing structure through a connecting piece, so as to fix the counter bracket on the upper cover assembly.

In some embodiments of the utility model, the upper cover assembly includes:

the transition cover is provided with an accommodating hole for the counter bracket to penetrate through, and the first fixing structure is arranged on the transition cover;

the upper cover is arranged on the transition cover and matched with the transition cover to form the accommodating space.

In some embodiments of the present utility model, a third fixing structure is configured on the transition cover, and a fourth fixing structure is provided on the base table assembly, and the third fixing structure and the fourth fixing structure are used for mounting the upper cover assembly on the base table assembly.

In some embodiments of the present utility model, the transmission part is provided with a first matching structure, the output part is provided with a second matching structure, the first matching structure and the second matching structure are in transmission connection, and the transmission part and the output part are coaxially arranged.

In some embodiments of the utility model, one of the first mating structure and the second mating structure is a raised structure, and the other of the first mating structure and the second mating structure is a recessed structure, the raised structure being in a male-female fit with the recessed structure.

In some embodiments of the utility model, the cross-section of the raised structure is elliptical or comprises at least one corner in a direction perpendicular to the axis of the drive or output.

In some embodiments of the present utility model, the protruding structure is provided with a first guiding surface for guiding the protruding structure into the recessed structure;

and/or the number of the groups of groups,

the concave structure is provided with a second guide surface for guiding the concave structure to be sleeved on the convex structure;

in some embodiments of the utility model, further comprising:

the first mark structure is arranged on the counter bracket and used for adjusting the space position of the protruding structure;

and the second mark structure is arranged on the base table component and used for adjusting the space position of the concave structure.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic view of an exploded structure of a metering device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the transmission part according to the embodiment of the present utility model after installation;

FIG. 3 is a schematic view of a partial explosion of a metering device according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the transition lid according to the embodiment of the present utility model after installation;

FIG. 5 is a schematic view showing a partial structure of a base meter assembly according to an embodiment of the present utility model.

The various references in the drawings are as follows:

1. a counter support; 11. a receiving groove; 12. a second fixing structure;

2. a counter;

3. a drive gear set;

4. a transmission part; 41. a body; 42. a first mating structure; 43. a meshing structure;

5. an upper cover assembly; 51. a transition cover; 511. an accommodation hole; 512. a first fixed structure; 513. a third fixing structure; 52. an upper cover;

6. a base table assembly; 61. a base table body; 62. a base table support; 63. an output unit; 631. a second mating structure; 64. a fourth fixing structure;

7. a PCB assembly;

8. a seal ring;

9. a battery pack.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1-2, according to an embodiment of the present utility model, a metering device is provided, which includes a counter bracket 1, an upper cover assembly 5, and a base meter assembly 6 in its overall design.

The counter bracket 1 is provided with a containing groove 11 for installing a counter, and the counter bracket 1 is provided with a transmission part 4, and the transmission part 4 is in transmission connection with the counter 2. The counter support 1 is detachably mounted on the upper cover assembly 5. Meanwhile, the base meter assembly 6 has an output part 63, the upper cover assembly 5 is detachably mounted on the base meter assembly 6, when the upper cover assembly 5 is mounted on the base meter assembly 6, the transmission part 4 has a mounted state in transmission connection with the output part 63, and when the upper cover assembly 5 is separated from the base meter assembly 6, the transmission part 4 has a free state separated from the output part 63.

According to the metering device, the counter support 1 is arranged, so that the counter 2 can be assembled on the counter support 1 in advance to form a counter modularized mounting structure, then the counter support 1 is mounted on the upper cover assembly 5, and the upper cover assembly 5 is mounted on the base meter assembly 6, so that the counter 2 is mounted on the base meter. Through the transmission connection of the transmission part 4 on the counter bracket 1 and the output part 63 on the base meter assembly 6, the mounting difficulty of the counter 2 can be effectively reduced, the mounting operation of the counter 2 is simplified, and the mounting efficiency of the counter 2 is further improved.

Specifically, the above-described counter holder 1 is configured with a receiving groove 11 for mounting the counter 2 and forming a protective structure for the counter 2. Meanwhile, in the mounting process of the counter 2, the counter 2 can be mounted on the counter support 1 in advance to form a counter modularized mounting structure, so that the counter 2 can be mounted conveniently, and the mounting efficiency of the counter 2 can be improved. Meanwhile, at least a transmission part mounting structure is further provided on the counter bracket 1, so that the transmission part is rotatably provided on the counter bracket 1, the transmission part mounting structure being not shown in the figure. In this embodiment, the transmission part mounting structure may employ a mounting post structure so that the transmission part 4 may be mounted on the counter bracket 1 through a transmission connection with the counter 2.

As shown in fig. 2, the meter is further provided with a drive gear set 3, wherein the drive gear set 3 includes a plurality of gears and is rotatably mounted on the counter bracket 1. In order to ensure the using effect of the counter 2, the transmission gear sets 3 and the counter 2 are respectively arranged on two sides of the counter bracket 1, so that the metering data can be observed by a user while the counter 2 is ensured to finish metering work. Specifically, the driving gear set 3 has at least one first driving gear engaged with the driving part 4 and one second driving gear engaged with the head gear of the counter 2, that is, the driving gear set 3 is composed of two or more gears whose size and number are affected by the sizes of the driving part 4, the head gear and the base meter bracket 62. The design is that the transmission ratio of the transmission gear set 3 is obtained by calculating the rotation volume and the number of teeth of the transmission part 4 of the base table, and then the number of gears and the number of teeth of the transmission gear set 3 are determined according to the structural frame.

In some embodiments of the present utility model, the upper cover assembly 5 has a receiving space in which the counter support 1 is mounted, a first fixing structure 512 is disposed in the receiving space, the counter support 1 is mounted on the upper cover assembly 5 by the first fixing structure 512, and the counter is spaced apart from the upper cover assembly 5. Through set up the accommodation space on upper cover subassembly 5, and be provided with first fixed knot in the accommodation space construct 512, can avoid having the partial structure that can contact with external environment after counter 2 installs base table subassembly 6, simultaneously, counter support 1 installs in the accommodation space, counter 2 and upper cover subassembly 5 interval set up, so set up, help reducing the influence of external factor and installation factor to counter 2 to guarantee counter 2 work's accuracy. Of course, when the counter bracket 1 is mounted on the upper cover assembly 5, the transmission gear set 3 is also arranged at intervals from the accommodating space

In the present embodiment, the first fixing structure 512 may be a clamping mechanism, and the counter 2 in the accommodating groove 11 is mounted on the upper cover assembly 5 by clamping and fixing the whole counter bracket 1. Of course, other structures may be adopted for the first fixing structure 512 to implement the mounting of the counter bracket 1 in the accommodating space.

In some embodiments of the present utility model, the counter bracket 1 is provided with a second fixing structure 12, and the first fixing structure 512 is cooperatively connected with the second fixing structure 12 through a connecting piece, so as to fix the counter bracket 1 on the upper cover assembly 5. As shown in fig. 3, in this embodiment, the first fixing structure 512 is two symmetrically arranged mounting plates configured in the accommodating space, and the mounting holes are formed in the mounting plates, the second fixing structure 12 is a connecting plate configured at two sides of the counter support 1, and the mounting holes are formed in the two connecting plates, and the counter support 1 is mounted by screwing and fixing the screw-connection pieces adopted by the connecting pieces, so that the mounting is convenient and quick, the position of the counter 2 can be effectively controlled, and the counter 2 and the transmission gear set 3 are prevented from contacting the upper cover assembly 5.

It should be noted that, the first fixing structure 512 and the second fixing structure 12 may be mounted on the counter bracket 1 by means of mutual matching, such as a matching structure of a clamping slot and a buckle, a matching structure of a limiting plate and a limiting slot, etc., where the fixing manner by screwing is the most simple and convenient, not only easy to be dismounted, but also good in mounting effect, and relatively simple to manufacture.

In some embodiments of the present utility model, the upper cover assembly 5 includes a transition cover 51 and an upper cover 52. The transition cover 51 is provided with a receiving hole 511 for the counter bracket 1 to penetrate, the first fixing structure 512 is disposed on the transition cover 51, and the upper cover 52 is mounted on the transition cover 51 and cooperates with the transition cover 51 to form a receiving space. As shown in fig. 1 and 4, the upper cover assembly 5 is divided into the transition cover 51 and the upper cover 52, so that the upper cover assembly 5 can be detached and mounted, that is, the transition cover 51 is mounted on the base meter assembly 6, and then the upper cover 52 is mounted on the transition cover 51, so that the upper cover assembly 5 is mounted on the base meter assembly 6. The upper cover assembly 5 is detached and installed, so that the installation and fixation of other parts, such as the PCB assembly 7, the battery pack 9 and the like, are facilitated. Of course, if no other components are to be installed, the excess cap and the upper cap 52 may be constructed as a unitary structure.

In some embodiments of the present utility model, the transition lid 51 is configured with a third securing structure 513 and the base gauge assembly 6 is provided with a fourth securing structure 64, the third securing structure 513 and the fourth securing structure 64 being used for mounting the upper lid assembly 5 on the base gauge assembly 6. Specifically, as shown in fig. 5, the base gauge assembly 6 includes a base gauge body 61, and a base gauge stand 62 provided on the base gauge body 61. In this embodiment, the third fixing structure 513 is four mounting holes formed on the transition cover 51, the fourth fixing structure 64 is four mounting holes formed on the base meter bracket 62, and the third fixing structure 513 and the fourth fixing structure 64 are matched with screw members to mount the upper cover assembly 5 on the base meter assembly 6. Of course, in addition to the above, the third fixing structure 513 and the fourth fixing structure 64 may also adopt other structures to mount the upper cover assembly 5, such as a limiting structure, a fastening structure, and the like, wherein the mounting hole is used as a connecting structure, so that not only the mounting is convenient, but also the fixing effect is improved, and the mounting accuracy is improved.

In some embodiments of the present utility model, the transmission part 4 is provided with a first mating structure 42, the output part 63 is provided with a second mating structure 631, the first mating structure 42 and the second mating structure 631 are in transmission connection, and the transmission part 4 and the output part 63 are coaxially arranged. As shown in fig. 4 and 5, an output portion 63 is provided in the base table holder 62. When the transition cover 51 is mounted on the base meter support 62, the transmission gear sets 3 are arranged in the base meter support 62 at intervals, and at this time, the first matching structure 42 of the transmission part 4 is connected with the second matching structure 631 of the output part 63 to form a transmission connection structure, so that the counter 2 can normally complete metering work. In the present embodiment, the transmission portion 4 and the output portion 63 are coaxially disposed, which is advantageous not only in the transmission connection of the first engagement structure 42 and the second engagement structure 631, but also in improving the output accuracy of the transmission portion 4. Of course, the connection between the transmission part 4 and the output part 63 may be a gear-meshed transmission, but the gear may be damaged easily when the upper cover assembly 5 is mounted to the base meter assembly 6.

In some embodiments of the present utility model, one of the first engagement structure 42 and the second engagement structure 631 is a convex structure, and the other of the first engagement structure 42 and the second engagement structure 631 is a concave structure, and the convex structure is in concave-convex engagement with the concave structure. In the present embodiment, the first engaging structure 42 is a convex structure configured on the transmission portion 4, and the second engaging structure 631 is a concave structure on the end face of the output portion 63, the convex structure being in concave-convex engagement with the concave structure. As shown in fig. 2 and 5, the transmission part 4 includes a body 41 rotatably provided on the counter bracket 1, an engagement structure 43 provided on an outer peripheral surface of the body 41, and a first engagement structure 42 provided on the body 41, the first engagement structure 42 being provided as a boss in the present embodiment, and correspondingly, the second engagement structure 631 being provided as a recess. Specifically, the cross sections of the protruding columns and the grooves are all five-pointed star, and when the transition cover 51 is mounted on the base table support 62, the protruding columns are inserted into the grooves, and when the output part 63 rotates, the transmission part 4 rotates together. The matching mode of the convex structure and the concave structure is adopted, so that the matching difficulty of the transmission part 4 and the output part 63 is simplified.

Here, it should be noted that the arrangement of the first engaging structure 42 and the second engaging structure 631 may be adjusted, for example, the first engaging structure 42 on the transmission portion 4 is a concave structure, the second engaging structure 631 on the output portion 63 is a convex structure, and the convex structure may also be tapered. Of course, the cross section of the convex structure can also be square, seven-star or the like, wherein the convex structure and the concave structure taking the five-star as the cross section are convenient to be assembled in a matching way.

In addition, in addition to the first engaging structure 42 and the second engaging structure 631, the coaxial engaging connection may be performed by adding an auxiliary member, which is not described in detail herein.

In some embodiments of the utility model, the cross-section of the raised structure is elliptical or comprises at least one corner in a direction perpendicular to the axis of the transmission part 4 or the output part 63. The cross section of the protruding structure is elliptical or at least comprises one angle, so that the output of the output part 63 can be guaranteed to be accurately transmitted, and meanwhile, the manufacturing difficulty of the transmission part 4 and the output part 63 is reduced. The power transmission of the output part 63 is ensured, and the metering accuracy of the counter 2 is improved.

In some embodiments of the present utility model, the protruding structure is provided with a first guiding surface for guiding the protruding structure into the recessed structure; and/or the concave structure is provided with a second guide surface for guiding the concave structure to be sleeved on the convex structure. In order to further improve the installation effect of the first matching structure 42 and the second matching structure 631, the protruding structure may be provided with a first guiding surface, or of course, the recessed structure may be provided with a second guiding surface, where the arrangement of the first guiding surface and the second guiding surface can protect the transmission part 4 and the output part 63 during the installation process of the transition cover 51, so as to help avoid the damage of the components, and ensure the matching precision.

In some embodiments of the utility model, the meter further comprises a first marking structure and a second marking structure, wherein the first marking structure is arranged on the counter bracket 1 and used for adjusting the space position of the protruding structure, and the second marking structure is arranged on the base meter assembly 6 and used for adjusting the space position of the recessed structure. In this embodiment, the first logo structure may be a structure having a restricting effect such as an arrow, a dial, or the like. By providing the first flag structure and the second flag structure, the rotation angle of the output portion 63 or the transmission portion 4 in the mounting process of the transition cover 51 can be reduced, thereby further improving the mounting accuracy of the counter 2.

During actual use, the counter bracket 1 provided with the counter 2 and the transmission gear set 3 is taken out in advance, the counter bracket 1 is arranged on the transition cover 51 through the matching structure of the connecting piece, the first fixing structure 512 and the second fixing structure 12, then the transition cover 51 is arranged on the base table bracket 62 through the third fixing structure 513 and the fourth fixing structure 64, and simultaneously, the first matching structure 42 and the second matching structure 631 are matched, so that the transmission connection of the transmission part 4 and the output part 63 along the same axis is realized. Then other parts such as the PCB assembly 7 and the battery pack 9 are mounted on the transition cover 51, and finally the upper cover 52 is mounted on the transition cover 51, and the sealing ring 8 is arranged between the upper cover 52 and the transition cover 51.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A metering device, comprising:

the counter bracket is provided with a containing groove for installing a counter, and is provided with a transmission part which is in transmission connection with the counter;

the counter bracket is detachably arranged on the upper cover assembly;

the base table assembly is provided with an output part, the upper cover assembly is detachably arranged on the base table assembly, when the upper cover assembly is arranged on the base table assembly, the transmission part is in an installation state in transmission connection with the output part, and when the upper cover assembly is separated from the base table assembly, the transmission part is in a free state separated from the output part.

2. The metering device of claim 1, wherein the upper cover assembly has a receiving space in which the counter support is mounted, a first fixing structure is disposed in the receiving space, the counter support is mounted on the upper cover assembly through the first fixing structure, and the counter is disposed at a distance from the upper cover assembly.

3. A meter according to claim 2, wherein the counter support is provided with a second fixing structure, the first fixing structure being adapted to be connected to the second fixing structure by a connector to fix the counter support to the upper cover assembly.

4. A metering device as claimed in claim 3 wherein the cap assembly comprises:

the transition cover is provided with an accommodating hole for the counter bracket to penetrate through, and the first fixing structure is arranged on the transition cover;

the upper cover is arranged on the transition cover and matched with the transition cover to form the accommodating space.

5. A metering device as claimed in claim 4 wherein the transition cover is constructed with a third securing structure and the base meter assembly is provided with a fourth securing structure, the third and fourth securing structures being for mounting of the cover assembly on the base meter assembly.

6. The metering device of claim 1, wherein the transmission portion is provided with a first mating structure, the output portion is provided with a second mating structure, the first mating structure and the second mating structure are in transmission connection, and the transmission portion and the output portion are coaxially arranged.

7. The metering device of claim 6, wherein one of the first mating structure and the second mating structure is a raised structure and the other of the first mating structure and the second mating structure is a recessed structure, the raised structure being in a male-female fit with the recessed structure.

8. A meter according to claim 7, wherein the cross-section of the protruding structure is elliptical or comprises at least one angle in a direction perpendicular to the axis of the transmission or output.

9. The metering device of claim 8, wherein the raised structure is provided with a first guide surface for guiding the raised structure into the recessed structure;

and/or the number of the groups of groups,

the concave structure is provided with a second guide surface for guiding the concave structure to be sleeved on the convex structure.

10. The metering device of claim 8, further comprising:

the first mark structure is arranged on the counter bracket and used for adjusting the space position of the protruding structure;

and the second mark structure is arranged on the base table component and used for adjusting the space position of the concave structure.

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