CN213022104U

CN213022104U - Pressure transmitter

Info

Publication number: CN213022104U
Application number: CN202022247252.8U
Authority: CN
Inventors: 孔祥文; 周自伟
Original assignee: Nanjing Wuyilian Intelligent Technology Co ltd
Current assignee: Nanjing Wuyilian Intelligent Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-20
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a pressure transmitter, through being provided with first filter layer, second filter layer and third filter layer, first filter layer, second filter layer and third filter in situ are provided with first filtration ring, second filtration ring and third filtration ring respectively, and first filtration ring, second filtration ring and third filtration ring are provided with first filter screen, second filter screen and third filter screen respectively in, make the utility model discloses can filter the tiny granule residue in gas or the liquid, it is right to avoid the granule residue the utility model discloses cause wearing and tearing. Through being provided with the inoxidizing coating, be provided with the ring in the inoxidizing coating, the bottom surface of ring is provided with buffer spring, and buffer spring's the fixed disk that is provided with in bottom, when suffering the explosive impact of gas or liquid, the disk upwards displacement cushions through buffer spring, and the interval between disk and ring reduces, slows down the ascending speed of gas or liquid by a wide margin, has avoided the utility model discloses damage under the high pressure of gas or liquid sudden change.

Description

Pressure transmitter

Technical Field

The utility model belongs to the technical field of the automatic instrument, concretely relates to pressure transmitter.

Background

The pressure transmitter is a device which converts physical pressure of gas, liquid and the like into pneumatic signals or electric signals for control and remote transmission, can sense pressure parameters and convert the pressure parameters into standard electric signals to be supplied to secondary instruments such as an indicating alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation, is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.

When an existing pressure transmitter is used for measurement, usually, threaded connection is used as a standard interface mode, after the pressure transmitter is used for a long time, a measurement medium can affect normal operation of equipment, residual medium residues can flow into an installation hole and be hardened when the pressure transmitter is detached, if the residues are not removed in time, parts can be damaged, frequent cleaning work can deepen damage to a sensor, and the existing pressure transmitter is easily damaged under high pressure of sudden change of gas or liquid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure transmitter to solve the technical problem who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure transmitter comprising a pressure transmitter body, wherein: the pressure transmitter comprises a pressure transmitter body, and is characterized in that an internal thread is arranged on the pressure transmitter body, a connecting nozzle is connected and arranged below the pressure transmitter body, an external thread is arranged on the connecting nozzle, a first filter layer is connected and arranged below the connecting nozzle, a first filter ring is arranged in the first filter layer, a first filter screen is arranged in the first filter ring, a second filter layer is connected and arranged below the first filter layer, a second filter ring is arranged in the second filter layer, a second filter screen is arranged in the second filter ring, a third filter layer is connected and arranged below the second filter layer, a third filter ring is arranged in the third filter layer, a third filter screen is arranged in the third filter ring, and limiting blocks are arranged in the first filter layer, the second filter layer and the third filter layer;

the third filter layer is connected with and is provided with the inoxidizing coating down, be provided with the ring in the inoxidizing coating, the bottom surface of ring is provided with a plurality of buffer spring, and is a plurality of buffer spring's bottom surface is fixed and is provided with the disk.

Preferably, the internal thread and the external thread are adapted.

Preferably, the connecting nozzle, the first filter layer, the second filter layer, the third filter layer and the protective layer are connected through threads.

Preferably, the filtering grades of the first filter screen, the second filter screen and the third filter screen are decreased progressively.

Preferably, the number of the buffer springs is eight.

Preferably, the connecting nozzle, the first filter layer, the second filter layer, the third filter layer, the protective layer, the circular ring and the circular sheet are all made of metal materials.

The technical effects and advantages of the utility model are:

firstly, the method comprises the following steps: the utility model discloses a be provided with first filter layer, second filter layer and third filter layer, be provided with first filtration ring, second filtration ring and third filtration ring in first filter layer, second filter layer and the third filter layer respectively, first filtration ring, second filtration ring and third filtration ring are intra-annular to be provided with first filter screen, second filter screen and third filter screen respectively, make the utility model discloses can filter the tiny granule residue in gas or the liquid, it is right to avoid the granule residue the utility model discloses cause wearing and tearing.

Secondly, the method comprises the following steps: the utility model discloses a be provided with the inoxidizing coating, be provided with the ring in the inoxidizing coating, the bottom surface of ring is provided with a plurality of buffer spring, and a plurality of buffer spring's the fixed disk that is provided with in bottom, when suffering the explosive impact of gas or liquid, the disk upwards displacement cushions through a plurality of buffer spring, and the interval between disk and ring reduces, slows down the ascending speed of gas or liquid by a wide margin, has avoided the utility model discloses damage under the high pressure of gas or liquid sudden change.

Thirdly, the method comprises the following steps: the utility model discloses structure safe and reliable has good market prospect.

Fourthly: the utility model discloses product property can be good, long service life.

Fifth, the method comprises the following steps: the utility model discloses convenient to use, convenient and fast.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is an axonometric view of the explosive structure of the present invention;

fig. 3 is a side view of the explosive structure of the present invention and a cross-sectional view thereof at a-a;

fig. 4 is a partially enlarged schematic view of B in fig. 3 according to the present invention;

fig. 5 is a schematic structural diagram of the present invention.

In the figure: 1. a pressure transmitter body; 2. a connecting nozzle; 3. a first filter ring; 4. a first filter layer; 5. a second filter ring; 6. a second filter layer; 7. a third filter ring; 8. a third filter layer; 9. a protective layer; 10. a third filter screen; 11. a second filter screen; 12. a first filter screen; 13. an external thread; 14. an internal thread; 15. a limiting block; 16. a circular ring; 17. a buffer spring; 18. and (4) carrying out wafer forming.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a pressure transmitter as shown in fig. 1-5, including pressure transmitter body 1, wherein: the pressure transmitter body 1 is provided with internal threads 14, the lower part of the pressure transmitter body 1 is connected with a connecting nozzle 2, the connecting nozzle 2 is provided with an external thread 13, the lower part of the connecting nozzle 2 is connected with a first filter layer 4, a first filtering ring 3 is arranged in the first filtering layer 4, a first filtering net 12 is arranged in the first filtering ring 3, a second filter layer 6 is connected below the first filter layer 4, a second filter ring 5 is arranged in the second filter layer 6, a second filter screen 11 is arranged in the second filter ring 5, a third filter layer 8 is connected below the second filter layer 6, a third filtering ring 7 is arranged in the third filtering layer 8, a third filtering net 10 is arranged in the third filtering ring 7, limiting blocks 15 are arranged in the first filtering layer 4, the second filtering layer 6 and the third filtering layer 8;

the third filter layer 8 is connected with and is provided with the inoxidizing coating 9 down, be provided with ring 16 in the inoxidizing coating 9, the bottom surface of ring 16 is provided with a plurality of buffer spring 17, and a plurality of buffer spring 17's bottom surface is fixed and is provided with disk 18.

In particular, the internal thread 14 and the external thread 13 are adapted.

Specifically, the connecting nozzle 2, the first filter layer 4, the second filter layer 6, the third filter layer 8 and the protective layer 9 are connected through threads.

Specifically, the filtering grades of the first filter 12, the second filter 11 and the third filter 10 are decreased progressively.

Specifically, the number of the buffer springs 17 is eight.

Specifically, the connecting nozzle 2, the first filter layer 4, the second filter layer 6, the third filter layer 8, the protective layer 9, the ring 16 and the wafer 18 are all made of metal materials.

The utility model discloses a theory of operation does:

the utility model discloses be provided with first filter layer 4, second filter layer 6 and third filter layer 8, be provided with first filter ring 3, second filter ring 5 and third filter ring 7 in first filter layer 4, second filter layer 6 and the third filter layer 8 respectively, first filter ring 3, second filter ring 5 and third filter ring 7 are provided with first filter screen 12, second filter screen 11 and third filter screen 10 respectively, make the utility model discloses can filter the tiny granule residue in gas or the liquid, it is right to avoid the granule residue the utility model discloses cause wearing and tearing.

The utility model discloses be provided with inoxidizing coating 9, be provided with ring 16 in the inoxidizing coating 9, the bottom surface of ring 16 is provided with a plurality of buffer spring 17, and a plurality of buffer spring 17's bottom is fixed to be provided with disk 18, when suffering the explosive impact of gas or liquid, disk 18 upwards displacement cushions through a plurality of buffer spring 17, and

disk

18 and 16 intervals between reduce, slow down the ascending speed of gas or liquid by a wide margin, have avoided the utility model discloses damage under the high pressure of gas or liquid sudden change.

In the description of the present invention, it is to be understood that the terms "bottom", "front", "one side", "outer", "central", "inner", "upper", "lower", "one end", "vertical", "lower", "outer", "circumferential", "end", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1 to 5, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and some deviation generally exists. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the present invention, unless otherwise explicitly specified or limited, the terms "embedded", "disposed", "connected", "fixed", "distributed" and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A pressure transmitter, includes pressure transmitter body (1), its characterized in that: the pressure transmitter comprises a pressure transmitter body (1), wherein an internal thread (14) is arranged on the pressure transmitter body (1), a connecting nozzle (2) is connected and arranged below the pressure transmitter body (1), an external thread (13) is arranged on the connecting nozzle (2), a first filter layer (4) is connected and arranged below the connecting nozzle (2), a first filter ring (3) is arranged in the first filter layer (4), a first filter screen (12) is arranged in the first filter ring (3), a second filter layer (6) is connected and arranged below the first filter layer (4), a second filter ring (5) is arranged in the second filter layer (6), a second filter screen (11) is arranged in the second filter ring (5), a third filter layer (8) is connected and arranged below the second filter layer (6), a third filter ring (7) is arranged in the third filter layer (8), and a third filter screen (10) is arranged in the third filter ring (7), limiting blocks (15) are arranged in the first filtering layer (4), the second filtering layer (6) and the third filtering layer (8);

the third filter layer (8) is connected with and is provided with inoxidizing coating (9) down, be provided with ring (16) in inoxidizing coating (9), the bottom surface of ring (16) is provided with a plurality of buffer spring (17), and is a plurality of the fixed disk (18) that is provided with in bottom surface of buffer spring (17).

2. A pressure transmitter as claimed in claim 1, wherein: the internal thread (14) and the external thread (13) are matched.

3. A pressure transmitter as claimed in claim 1, wherein: the connecting nozzle (2), the first filter layer (4), the second filter layer (6), the third filter layer (8) and the protective layer (9) are connected through threads.

4. A pressure transmitter as claimed in claim 1, wherein: the filtering grades of the first filter screen (12), the second filter screen (11) and the third filter screen (10) are decreased progressively.

5. A pressure transmitter as claimed in claim 1, wherein: the number of the buffer springs (17) is eight.

6. A pressure transmitter as claimed in claim 1, wherein: the connecting nozzle (2), the first filter layer (4), the second filter layer (6), the third filter layer (8), the protective layer (9), the circular ring (16) and the circular sheet (18) are all made of metal materials.