CN218955819U

CN218955819U - Rotor mounting structure and rotameter

Info

Publication number: CN218955819U
Application number: CN202223612913.8U
Authority: CN
Inventors: 王滔; 许其奖; 陈德泼
Original assignee: TANCY INSTRUMENT GROUP CO Ltd
Current assignee: TANCY INSTRUMENT GROUP CO Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-02
Anticipated expiration: 2032-12-30

Abstract

The utility model particularly relates to a rotor mounting structure and a rotor flowmeter. The limiting piece is fixedly arranged on the shell, the limiting piece is provided with an action plate which is arranged at intervals with the partition plate, and one end of the rotating shaft of the rotor sequentially penetrates through the partition plate and the action plate. The elastic assembly includes an elastic member disposed between the action plate and the partition plate, and the elastic member has a compressed state in which the rotor is away from the action plate. The fixed subassembly sets up in the side that the elastic component was kept away from to the action board, and fixed subassembly is used for fixing the pivot on the action board, and makes the elastic component keep in compression. According to the rotor mounting structure, the limiting piece, the elastic component and the fixing component are arranged to form the limiting structure for limiting the movement of the rotor, so that the distance between the rotor and the partition board is guaranteed, friction between the rotor and the partition board is avoided, and the service life of the rotor can be prolonged.

Description

Rotor mounting structure and rotameter

Technical Field

The utility model belongs to the technical field of fluid metering, and particularly relates to a rotor mounting structure and a rotor flowmeter.

Background

With the development of the information society, people pay more attention to fluid metering and monitoring, and a rotameter is common metering equipment.

The rotor flowmeter has high requirements on the end face clearance of the rotor, namely the clearance between the rotating shaft of the rotor and the end plate in the assembly process, if the clearance is small, the rotor rubs against the end plate in the rotation process, and if the clearance is too large, the air flow is stolen. At present, the end face clearance of the rotor is controlled during the assembly process, and the axial position of the rotor is mostly controlled by adjusting the compression amount of an elastic washer (belleville spring).

However, adopting above-mentioned mode to assemble the rotameter, need the axial position of manual regulation rotor, the installation is loaded down with trivial details, is difficult to ensure assembly efficiency and the installation effect of product, and circlip warp easily and lose effect, leads to rotor and end plate friction, causes the wearing and tearing of rotor, leads to the life of rotor to reduce, and then influences the life of flowmeter. Meanwhile, because the mode needs to be manually adjusted by an assembler, subjectivity is brought to end face clearance control, and the rotor is difficult to ensure to be mounted at the most reasonable axial position, so that the stability performance of a product is affected.

Disclosure of Invention

The utility model aims to at least solve the problems that the elastic retainer ring of the existing flowmeter is inconvenient to install and is easy to damage, so that the service life of the flowmeter is influenced. The aim is achieved by the following technical scheme:

a first aspect of the present utility model proposes a rotor mounting structure comprising a housing accommodating a rotor and a partition plate fixed to the housing; further comprises:

the limiting piece is fixedly arranged on the shell and is provided with an action plate which is arranged at intervals with the partition plate, and one end of a rotating shaft of the rotor sequentially penetrates through the partition plate and the action plate;

an elastic assembly including an elastic member disposed between the acting plate and the partition plate, and having a compressed state in which the rotor is away from the acting plate;

the fixing component is arranged on one side, far away from the elastic piece, of the acting plate, and is used for fixing the rotating shaft on the acting plate and keeping the elastic piece in the compressed state.

The rotor mounting structure comprises a shell, a partition plate, a limiting piece with an action plate, an elastic component and a fixing component. By arranging the action plate and the partition plate at intervals, the installation and action space of the elastic piece in the elastic assembly can be formed. Through setting up fixed subassembly and fixing the pivot on the action board, and simultaneously, make the elastic component keep in compression state, have the restoring force that makes the rotor keep away from the baffle after the cooperation elastic component gets into compression state, can form the limit structure that effectively restrict the rotor and remove, this limit structure can guarantee the distance between rotor and the baffle when the rotor is installed, and can form certain drunkenness buffering when the rotor rotates, so as to avoid the rotor to carry out great displacement when rotating, thereby with the circumstances that the wearing and tearing appear in baffle friction, help improving the life of rotor, and then improve the life of flowmeter. Simultaneously, through fixed subassembly with make the elastic component keep compression state, can reach the effect of adjusting the elastic component compression state through the fixed effect of change pivot, and then can adjust the interval distance of rotor and baffle, help improving installation effectiveness.

In addition, the rotor mounting structure according to the present utility model may further have the following additional technical features:

in some embodiments of the utility model, the action plate is provided with a bearing, the fixing assembly comprises a gland, the gland is mounted on the action plate and fixes the bearing on the action plate, and the bearing is sleeved and fixed on the rotating shaft.

In some embodiments of the utility model, the fixation assembly further comprises:

the bearing comprises a support piece, wherein one end of the support piece is abutted against the bearing;

the connecting piece, the connecting piece rotationally sets up on the support piece, just the connecting piece with pivot fixed connection, the connecting piece is used for adjusting the side terminal surface of rotor with distance between the baffle.

In some embodiments of the present utility model, the support member is provided with a support hole, the connection member is a screw member, and a screw of the screw member can be screwed with the rotating shaft through the support hole.

In some embodiments of the utility model, the elastic assembly further comprises:

the bearing piece is arranged on the rotating shaft and can at least move along a first direction along with the rotating shaft, and the first direction is the direction in which the rotating shaft approaches to the action plate;

the elastic piece is sleeved on the rotating shaft, one end of the elastic piece is abutted with the bearing piece, and the other end of the elastic piece is abutted with the action plate.

In some embodiments of the utility model, the bearing assembly further comprises a shaft sleeve mounted on the rotating shaft, and a first end of the shaft sleeve abuts the bearing;

the elastic piece is an elastic gasket, one end of the elastic piece is abutted with the second end of the shaft sleeve, and the other end of the elastic piece is abutted with the bearing piece.

In some embodiments of the utility model, the limiting member further comprises a post provided on the action plate, a free end of the post abutting the partition; the housing includes:

a first housing having a receiving cavity for mounting the rotor;

the second shell is installed on the first shell, and the second shell is matched with the first shell, so that the partition plate and the limiting piece can be simultaneously fixed in the shell.

In some embodiments of the present utility model, the first housing is provided with a first groove, the second housing is provided with a second groove, and the first groove and the second groove may cooperate to form a mounting groove for fixing the partition plate and the limiting member.

In some embodiments of the present utility model, the pillar is an annular pillar, and a receiving groove is formed on the pillar, and the partition board is received in the receiving groove.

Another aspect of the present utility model also provides a rotameter comprising a rotor, and a rotor mounting structure as described above.

According to the rotameter disclosed by the utility model, by arranging the rotor mounting structure and the rotor, the moving distance of the rotor during rotation can be effectively reduced, so that the rotor is damaged, and the service life of the rotameter is prolonged.

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 structural view of a rotor mounting structure according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a part of the structure of FIG. 1A;

fig. 3 is an enlarged schematic view of a partial structure of B in fig. 1.

The various references in the drawings are as follows:

1. a housing; 11. a first housing; 12. a second housing;

2. a rotor; 21. a rotor; 22. a rotating shaft;

3. a partition plate;

4. a limiting piece; 41. an action plate; 42. a bearing groove; 43. a support post; 44. a receiving groove;

5. an elastic component; 51. an elastic member; 52. a receiving member;

6. a fixing assembly; 61. a gland; 62. a support; 63. a connecting piece;

7. a bearing;

8. a shaft sleeve;

9. and (3) sealing rings.

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.

The utility model relates to a rotor mounting structure which is integrally designed and comprises a shell 1, a baffle plate 3, a limiting piece 4, an elastic component 5 and a fixing component 6.

Wherein the housing 1 is adapted to accommodate the rotor 2, and the partition 3 is fixed to the housing 1. Meanwhile, the limiting piece 4 is fixedly arranged on the shell 1, the limiting piece 4 is provided with an action plate 41 which is arranged at intervals with the partition plate 3, and one end of the rotating shaft 22 of the rotor 2 sequentially penetrates through the partition plate 3 and the action plate 41. The elastic assembly 5 includes an elastic member 51 provided between the action plate 41 and the partition plate 3, and the elastic member 51 has a compressed state in which the rotor 2 is away from the action plate 41. The fixing assembly 6 is disposed on a side of the acting plate 41 away from the elastic member 51, and the fixing assembly 6 is used for fixing the rotating shaft 22 on the acting plate 41 and maintaining the elastic member 51 in a compressed state.

The rotor mounting structure of the present utility model facilitates the installation and operation space of the elastic member 51 by arranging the operation plate 41 and the partition plate 3 at a distance. Through setting up fixed subassembly 6 with pivot 22 fixed on action plate 41, and simultaneously, make elastic component 51 keep in compression state, have the restoring force that makes rotor 2 keep away from baffle 3 after the cooperation elastic component 51 gets into compression state, can form the limit structure who effectively restricts rotor 2 and remove, this limit structure can guarantee the distance between rotor 2 and the baffle 3 when rotor 2 installs, and can form certain drunkenness buffering when rotor 2 rotates, in order to avoid rotor 2 to carry out great displacement when rotating, thereby rub with baffle 3 and appear wearing and tearing the condition, help improving rotor 2's life, and then improve flowmeter's life. Meanwhile, the fixing assembly 6 is adopted to enable the elastic piece 51 to be kept in a compressed state, the effect of adjusting the compressed state of the elastic piece 51 can be achieved by changing the fixing effect of the rotating shaft 22, and then the interval distance between the rotor 2 and the partition plate 3 can be adjusted, so that the installation efficiency is improved.

Based on the above-described design concept, an exemplary structure of the rotor mounting structure according to the present embodiment is shown in fig. 1 and 2, and in this case, the rotor mounting structure is also specifically described with reference to the roots meter as an example. However, the rotor mounting structure of the present embodiment may be applied to other devices, such as an elliptical gear flow meter, in addition to the one applied to the roots meter. And when applied to other devices, the specific design of the rotor mounting structure and its arrangement in other devices will be described below with reference to this embodiment.

As can be seen in connection with fig. 3, the above-mentioned housing 1 comprises a first housing 11 and a second housing 12, the first housing 11 having a receiving cavity for mounting the rotor 2. Meanwhile, the second housing 12 is mounted on the first housing 11, and the second housing 12 and the first housing 11 are matched, so that the partition plate 3 and the limiting member 4 can be fixed in the housing 1 at the same time. Specifically, the stopper 4 includes an action plate 41, and a stay 43 provided on the action plate 41, and a free end of the stay 43 abuts against the separator 3. Wherein, setting up of pillar 43 can ensure the distance between action board 41 and the baffle 3 for elastic component 5 has better installation and space of action, adopts the mode of second casing 12 and first casing 11 cooperation installation moreover, makes baffle 3 and locating part 4 can fix simultaneously in casing 1, need not alone fixed mounting baffle 3 and locating part 4, helps improving the installation effectiveness of baffle 3 and locating part 4, reduces rotor mounting structure's installation cost.

As shown in fig. 1 and 3, a first groove is formed in the first housing 11, and a second groove is formed in the second housing 12, wherein the partition plate 3 is disposed in the first groove, and the second groove can accommodate the limiting member 4. The first groove and the second groove may cooperate to form a mounting groove for fixing the partition 3 and the stopper 4. And at this time, the second groove can press the support post 43 of the stopper 4 against the partition plate 3, thereby fixing the partition plate 3 and the stopper 4 in the housing 1 at the same time. The first groove and the second groove are matched to form the mounting groove for fixing the partition plate 3 and the limiting piece 4, so that the modification of the whole structure of the shell 1 can be reduced, and the production and mounting efficiency of the shell 1 can be guaranteed. In addition, a seal ring 9 is provided on the abutting surface of the first housing 11 and the second housing 12 to prevent the gas in the housing 1 from flowing to the outside, which affects the usability of the rotameter.

In some embodiments of the present utility model, the support 43 is an annular column, and the support 43 is provided with a receiving groove 44, and the partition 3 is received in the receiving groove 44. Specifically, the support column 43 is provided as an annular column provided along the periphery of the action plate 41, and a receiving groove 44 is provided on the end face of the automatic end of the annular column. As shown in fig. 3, after the first housing 11 and the second housing 12 are assembled together, the partition plate 3 is placed in the accommodation groove 44 while abutting the bottom surface of the first groove with the stay 43, contributing to improvement of the sealing property of the rotameter. The separator 3 is provided with a key groove, and the separator 3 can be brought into contact with the bottom surface of the accommodation groove 44 by the key, which contributes to further improving the sealing performance of the rotameter.

As shown in fig. 1 and 2, the above-mentioned rotor 2 includes a rotor 21 and a rotating shaft 22, wherein the free end of the rotating shaft 22 can pass through the partition plate 3 and the action plate 41 in order. In the present embodiment, the bearing 7 is provided on the operating plate 41, and the bearing 7 is fixed to the rotating shaft 22 in a fitting manner. Specifically, the bearing groove 42 is formed in the acting plate 41, the fixing assembly 6 includes a pressing cover 61, and when the pressing cover 61 is mounted on the acting plate 41, the bearing 7 can be fixed in the bearing groove 42, and at this time, one end of the rotating shaft 22 can penetrate through the bearing 7 and be matched with an inner hole of the bearing 7. Through setting up the cooperation structure of bearing 7 and gland 61, can make with the relative fixed on action plate 41 of bearing 7 hole complex pivot 22, ensure the normal rotation of pivot 22, simultaneously, also help improving the installation degree of difficulty that reduces bearing 7, and then reduce rotor mounting structure's assembly degree of difficulty.

In some embodiments of the present utility model, the fixing assembly 6 further includes a support 62 and a connection member 63, wherein one end of the support 62 abuts against the bearing 7, the connection member 63 is rotatably provided on the support 62, and the connection member 63 is fixedly connected to the rotation shaft 22, and the connection member 63 is used for adjusting the distance between the side end surface of the rotor 2 and the partition plate 3. In the present embodiment, the support 62 is a magnetic ring, and one end thereof may abut against the bearing 7. The connecting piece 63 is rotatably arranged on the magnetic ring, the connecting piece 63 can be fixedly connected with the rotating shaft 22, meanwhile, the connecting piece 63 rotates on the magnetic ring, the distance between the side end face of the rotor 2 and the partition plate 3 can be adjusted by adjusting the relative position between the rotating shaft 22 and the acting plate 41 in the axial direction, meanwhile, the relative position between the rotating shaft 22 and the partition plate 3 can be ensured by matching with the elastic piece 51, and the rotating shaft 22 is prevented from being greatly displaced during rotation, so that the friction partition plate 3 causes damage to the rotor 2.

In some embodiments of the present utility model, the supporting member 62 is provided with a supporting hole, and the connecting member 63 is a screw member, and the screw member is screwed with the rotating shaft 22 through the supporting hole. In this embodiment, the connecting member 63 is a screw-connection member, and a screw is used, when the screw is mounted on the supporting member 62, the screw rod of the screw passes through the supporting hole and is screwed on the end face of the rotating shaft 22, the nut of the screw is located on one side of the supporting member 62 away from the rotating shaft 22, along with screwing of the screw, the supporting member 62 acts on the bearing 7, the supporting member 62 and the connecting member 63 cooperate to form an acting force for making the rotating shaft 22 approach to the acting plate 41, and the screwing degree of the screw is proportional to the deformation degree of the elastic member 51, that is, the deeper the screwing degree of the screw and the rotating shaft 22, the greater the deformation degree of the elastic member 51.

In some embodiments of the present utility model, the elastic component 5 further includes a receiving element 52, where the receiving element 52 is disposed on the rotating shaft 22 and at least can move along with the rotating shaft 22 along a first direction, as shown in fig. 2, the arrow direction in the drawing is the first direction, that is, the first direction is a direction in which the rotating shaft 22 approaches the acting plate 41, and the elastic component 51 is sleeved on the rotating shaft 22, and one end of the elastic component abuts against the receiving element 52, and the other end abuts against the acting plate 41. In the present embodiment, the receiving piece 52 is a synchronizing gear, and the synchronizing gear is tightly fitted to the rotating shaft 22, and can move along the direction of the rotating shaft 22 approaching the action plate 41, and the synchronizing gear is adopted as the receiving piece 52, so that not only can the synchronizing gear on the adjacent rotor 2 be meshed with each other to form a transmission connection, but also the contact area with the elastic piece 51 can be enlarged, and the deformation of the elastic piece 51 can be ensured. In addition, in the structural mounting, a progressive mounting structure can be formed with other components, which contributes to the improvement of the assembly efficiency of the rotameter.

In the present embodiment, the rotor mounting structure further includes a sleeve 8, the sleeve 8 is mounted on the rotating shaft 22, and a first end of the sleeve 8 abuts against the bearing 7. The elastic member 51 is an elastic pad, and has one end abutting against the second end of the sleeve 8 and the other end abutting against the receiving member 52. The shaft sleeve 8 is sleeved on the rotating shaft 22, the elastic gasket is arranged between the shaft sleeve 8 and the supporting piece 52, when the fixing assembly 6 is installed, the shaft sleeve 8 can be pressed against the bearing 7, the elastic gasket enters a compressed state, and at the moment, the rotating shaft 22 moves along the first direction under the action of the magnetic ring and the screw, and at the moment, the elastic gasket enters the compressed state, so that the rotating shaft 22 is acted by an acting force deviating from the first direction, the rotating shaft 22 is limited in two directions, and the relative position between the rotating shaft and the partition plate 3 is kept. Meanwhile, the rotating shaft 22 can also be subjected to a strong limiting effect, so that the rotor 2 is prevented from abutting against the shell 1 or the partition plate 3 to cause abrasion of the rotor 2.

Embodiments of the present utility model also relate to a rotameter comprising a rotor 2, and a rotor mounting structure as described above.

According to the rotameter disclosed by the utility model, the rotor mounting structure and the rotor 2 are arranged, so that the moving distance of the rotor 2 during rotation can be effectively reduced, the rotor 2 is damaged, and the service life of the rotameter is prolonged.

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

1. A rotor mounting structure comprising a housing accommodating a rotor and a partition plate fixed to the housing; characterized by further comprising:

2. The rotor mounting structure of claim 1, wherein the reaction plate is provided with a bearing, the fixing assembly includes a gland mounted on the reaction plate and fixing the bearing on the reaction plate, and the bearing housing is fixed on the rotating shaft.

3. The rotor mounting structure of claim 2, wherein the securing assembly further comprises:

4. The rotor mounting structure according to claim 3, wherein the support member is provided with a support hole, the connecting member is a screw member, and a screw of the screw member is screwed with the rotating shaft through the support hole.

5. The rotor mounting structure of claim 2, wherein the resilient assembly further comprises:

6. The rotor mounting structure of claim 5, further comprising a bushing mounted on the shaft with a first end of the bushing abutting the bearing;

7. The rotor mounting structure according to claim 1, wherein the stopper further includes a stay provided on the action plate, a free end of the stay abutting the partition plate; the housing includes:

a first housing having a receiving cavity for mounting the rotor;

8. The rotor mounting structure of claim 7, wherein the first housing has a first recess formed therein and the second housing has a second recess formed therein, the first recess and the second recess being engageable to form a mounting slot for securing the spacer and the retainer.

9. The rotor mounting structure of claim 8, wherein the support posts are annular posts, and wherein the support posts are provided with receiving slots in which the partition plates are received.

10. A rotameter comprising a rotor, and a rotor mounting structure as claimed in any one of claims 1 to 9.