CN214793607U - Pressure transmitter easy to assemble - Google Patents
Pressure transmitter easy to assemble Download PDFInfo
- Publication number
- CN214793607U CN214793607U CN202120617782.9U CN202120617782U CN214793607U CN 214793607 U CN214793607 U CN 214793607U CN 202120617782 U CN202120617782 U CN 202120617782U CN 214793607 U CN214793607 U CN 214793607U
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- CN
- China
- Prior art keywords
- quick connector
- head
- pressure
- circuit board
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009792 diffusion process Methods 0.000 claims abstract description 13
- 239000000741 silica gel Substances 0.000 claims abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 238000007789 sealing Methods 0.000 description 10
- 238000003466 welding Methods 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure transmitter with simple assembly, which comprises a sensor component, a shell component and an electrical joint component, wherein the sensor component comprises a pressure inlet head, a diffusion silicon sensor and a quick connector female head, the pressure inlet head is internally provided with a pressure inlet head accommodating cavity for installing the diffusion silicon sensor, the diffusion silicon sensor is connected with the quick connector female head through a silica gel lead, the shell component comprises a metal shell and an amplifying circuit board, a limiting groove is arranged in the metal shell, the top layer of the amplifying circuit board is tightly attached to the limiting groove, the bottom layer of the amplifying circuit board is provided with a rubber gasket, the outer diameter of the rubber gasket is larger than the inner diameter of the lower accommodating cavity, the top layer and the bottom layer of the amplifying circuit board are respectively provided with a quick connector male head and a quick connector male head I, the electrical joint component is connected with the quick connector female head I through the silica gel lead, and the quick connector female head is connected with the quick connector male head I, female first I and the public first joint of quick connector joint. The utility model discloses the assembly is simple and easy just can improve assembly efficiency fast.
Description
Technical Field
The utility model belongs to the technical field of instrument and meter, concretely relates to pressure transmitter who assembles simply.
Background
The pressure transmitter is a device for converting pressure into a pneumatic signal or an electric signal for control and remote transmission, is one of the most common sensors applied in industrial fields, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.
Currently, in the assembly of a pressure transmitter based on the expansion of a diffused silicon sensor, most of the assembly sequences are that a bakelite bracket or a plastic bracket is utilized to support an amplifying circuit board, the amplifying circuit board is connected with the diffused silicon sensor by pins or silica gel wires, then a metal shell is installed, then the amplifying circuit board is connected with pins of an electrical connector by the silica gel wires, and finally the electrical connector is installed and fixed on the metal shell. In the process, all welding points are finished by manual operation. The operation brings two disadvantages, namely that the assembly is relatively time-consuming and labor-consuming due to more welding spots, and the amplification circuit board assembled by the design is not easy to disassemble and replace.
Disclosure of Invention
The utility model aims at providing a pressure transmitter that the assembly is simple and easy quick and can improve assembly efficiency is simple and easy to the not enough of above-mentioned prior art.
The utility model adopts the technical scheme as follows:
a pressure transmitter easy to assemble comprises a sensor assembly, a shell assembly is installed at the top of the sensor assembly, an electrical connector assembly is installed at the top of the shell assembly, the sensor assembly comprises a pressure inlet head, a diffusion silicon sensor and a quick connector female head, a pressure inlet head accommodating cavity for installing the diffusion silicon sensor is arranged inside the pressure inlet head, the diffusion silicon sensor is connected with the quick connector female head through a silica gel lead, the shell assembly comprises a metal shell, an amplification circuit board and a rubber gasket, a limiting groove for dividing the inside of the metal shell into an upper accommodating cavity and a lower accommodating cavity is arranged in the metal shell, the top layer of the amplification circuit board is tightly attached to the limiting groove, the bottom layer of the amplification circuit board is provided with the rubber gasket, the outer diameter of the rubber gasket is larger than the inner diameter of the lower accommodating cavity, and the top layer and the bottom layer of the amplification circuit board are respectively provided with a quick connector male head and a quick connector male head I, the electric joint subassembly has female first I of quick connector through silica gel wire connection, female first I joint of quick connector and the public first joint of quick connector.
The pressure inlet head is internally provided with a pressure inlet head pressure guide cavity, and the pressure inlet head pressure guide cavity is arranged at the bottom outside the pressure inlet head accommodating cavity.
And an O-shaped sealing ring is arranged at the lower part of the pressure inlet head.
And the top of the pressure inlet head is provided with a pressure inlet head butt joint groove for mounting a shell component.
The bottom of the metal shell is provided with an inner chamfer, and two ends of the rubber gasket are provided with outer chamfers matched with the inner chamfers.
The top surface of the rubber gasket is tightly attached to the bottom layer of the amplifying circuit board, and the bottom surface of the rubber gasket is tightly attached to the top surface of the pressing head.
And the top of the metal shell is provided with a metal shell butt joint groove for installing an electrical joint component.
The O-shaped sealing ring and the rubber gasket are made of nitrile rubber or fluororubber.
The beneficial effects of the utility model are that:
(1) the utility model adopts the modularized components to be mutually matched and installed, only the female head of the quick connector on the sensor component needs to be clamped with the male head I phase of the quick connector on the amplifying circuit board arranged in the shell component, the female head I of the quick connector on the electrical joint component is clamped with the male head phase of the quick connector on the amplifying circuit board, and then the sensor component and the shell component as well as the shell component and the electrical joint component are fixedly connected together in a sealing way by adopting welding, so that the whole assembly process is quick and simple, and the production efficiency can be obviously improved;
(2) the utility model discloses the design of well casing subassembly assembly amplification circuit board is reliable, it is simple and easy, only need to hug closely the spacing groove setting that holds the intracavity with amplification circuit board top layer down, then use the frock with the rubber packing ring through outer chamfer direction hold the intracavity and with amplification circuit board bottom department of meeting down, be greater than down holding intracavity portion diameter because of the rubber packing ring external diameter, thereby form and closely cooperate, amplification circuit board is fixed inside metal casing by reliable promptly, whole casing subassembly assembling process is simple quick, do not relate to artifical soldering simultaneously, make to change amplification circuit board also more convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the components of the present invention;
fig. 3 is a schematic view of a housing assembly according to the present invention;
fig. 4 is a schematic view of a sensor assembly according to the present invention;
FIG. 1, a sensor assembly; 2. a housing assembly; 3. an electrical connector assembly; 4. a pressure inlet head; 5. an O-shaped sealing ring; 6. a diffused silicon sensor; 7. a quick connector female; 8. a silica gel wire; 9. a metal housing; 10. an amplifying circuit board; 11. a rubber gasket; 12. a quick connector female head I; 13. the pressure inlet is butted with the groove; 14. a pressure inlet head accommodating cavity; 15. a pressure guide cavity of the pressure inlet head; 16. a metal housing butt-joint groove; 17. a limiting groove; 18. an upper receiving cavity; 19. a lower receiving chamber; 20. inner chamfering; 21. a quick connector male; 22. a male head I of a quick connector; 23. and (6) chamfering the outside.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in figures 1-4, the utility model discloses it includes sensor assembly 1, and sensor assembly 1 installs on the top casing subassembly 2, and casing subassembly 2 installs on the top electrical connector assembly 3. The sensor component 1 comprises a pressure inlet head 4, a diffused silicon sensor 6 and a quick connector female head 7, wherein the top of the pressure inlet head 4 is provided with a pressure inlet head butt joint groove 13 for mounting the shell component 2, so that the shell component 2 is hermetically and fixedly connected to the top of the pressure inlet head 4 by laser welding; a pressure inlet head pressure guide cavity 15 and a pressure inlet head accommodating cavity 14 for installing the diffusion silicon sensor 6 are arranged in the pressure inlet head 4, the pressure inlet head pressure guide cavity 15 is arranged at the bottom outside the pressure inlet head accommodating cavity 14, and the diffusion silicon sensor 6 can measure the pressure of a medium in the pressure inlet head pressure guide cavity 15 conveniently; the diffused silicon sensor 6 is connected with the quick connector female head 7 through a silica gel lead 8 and used for leading out an electric signal of the diffused silicon sensor 6; an O-shaped sealing ring 5 is arranged at the lower part of the pressure inlet head 4, so that the sensor component 1 can be conveniently assembled subsequently.
The shell component 2 of the device comprises a metal shell 9, an amplifying circuit board 10 and a rubber gasket 11, wherein a limiting groove 17 which divides the interior of the metal shell 9 into an upper accommodating cavity 18 and a lower accommodating cavity 19 is arranged in the metal shell 9, the top layer of the amplifying circuit board 10 is tightly attached to the limiting groove 17, the bottom layer of the amplifying circuit board 10 is provided with the rubber gasket 11, the outer diameter of the rubber gasket 11 is larger than the inner diameter of the lower accommodating cavity 19, the height of the rubber gasket 11 is larger than or equal to the height of the lower accommodating cavity 19, so that the top surface of the rubber gasket 11 is tightly attached to the bottom layer of the amplifying circuit board 10, the bottom surface of the rubber gasket 11 is tightly attached to the top surface of a pressure head 4, and the rubber gasket are tightly matched to generate larger friction force to fix the amplifying circuit board 10 in the metal shell 9; the top layer and the bottom layer of the amplifying circuit board 10 are respectively provided with a quick connector male head 21 and a quick connector male head I22.
An inner chamfer 20 is arranged at the bottom of the metal shell 9, and outer chamfers 23 matched with the inner chamfers 20 are arranged at two ends of the rubber gasket 11, so that the rubber gasket 11 is quickly guided into the lower accommodating cavity 19 and has no direction limitation during assembly. A metal shell butt-joint groove 16 for installing the electrical joint component 3 is arranged at the top of the metal shell 9, so that the electrical joint component 3 is fixedly connected to the top of an upper accommodating cavity 18 of the metal shell 9 in a sealing mode through laser welding.
The female first I12 of quick connector that is connected with through silica gel wire 8 of this device of electrical connector subassembly 3, the female first 7 of quick connector and the public first I22 joint of quick connector, the public first 21 joint of quick connector female I12 of quick connector for the quick assembly of accomplishing between sensor subassembly 1, casing subassembly 2 and the electrical connector subassembly 3 inside.
The O-shaped sealing ring 5 and the rubber gasket 11 of the device are made of nitrile rubber or fluororubber.
The utility model discloses a use as follows:
during the subassembly assembly, at first with diffusion silicon sensor 6 put into pressure head and hold the chamber 14 in and adopt laser welding fixed, be connected through silica gel wire 8 and quick connector female head 7 afterwards to output diffusion silicon sensor 6's electrical signal, install O type sealing washer 5 in pressure head 4 lower part after connecting, this sensor subassembly 1 assembly is accomplished.
Then, the amplifying circuit board 10 provided with the quick connector male head 21 and the quick connector male head I22 enters the metal shell 9 from the lower accommodating cavity 19 and is limited at the limiting groove 17, then the rubber gasket 11 is guided into the lower accommodating cavity 19 by using a gas cap tool, the amplifying circuit board 10 is fixed in the metal shell 9 by the mutual matching of the rubber gasket 11 and the limiting groove 17, and the assembly of the shell assembly 2 is completed.
Then the electric joint component 3 is connected with the female head I12 of the quick connector through the silica gel lead 8, and the assembly of each component is completed.
After assembly, the female head 7 of the quick connector in the sensor assembly 1 is clamped with the male head I22 of the quick connector on the amplification circuit board 10, and after clamping, the bottom of the shell assembly 2 is butted with the pressure inlet butt joint groove 13 at the top of the pressure inlet 4 and is fixedly connected through welding and sealing; after the sensor assembly 1 and the shell assembly 2 are assembled, the quick connector female head I12 on the electrical connector assembly 3 is clamped with the quick connector male head 21 on the amplifying circuit board 10, the bottom of the electrical connector assembly 3 is butted with the metal shell butting groove 16 at the top of the metal shell 9 after clamping, and the electrical connector assembly is fixedly connected with the metal shell butting groove through welding and sealing, so that the whole pressure transmitter is assembled.
In the use, sensor component 1, housing assembly 2 and electrical connector subassembly 3 can accomplish the stock in advance according to the production demand, and subsequent pressure transmitter assembly is simple quick, can effectively reduce production cycle like this.
Other parts which are not described in the present invention are the same as those in the prior art.
Claims (8)
1. The utility model provides a pressure transmitter easy to assemble, characterized by it includes sensor module (1), casing subassembly (2) are installed at sensor module (1) top, electrical joint subassembly (3) are installed at casing subassembly (2) top, sensor module (1) is including advancing pressure head (4), diffusion silicon sensor (6) and quick connector female head (7), advance the pressure head that pressure head (4) inside was equipped with installation diffusion silicon sensor (6) and hold chamber (14), diffusion silicon sensor (6) link to each other with quick connector female head (7) through silica gel wire (8), casing subassembly (2) are including metal casing (9), amplifier circuit board (10) and rubber packing ring (11), be equipped with in metal casing (9) and be divided into its inside and hold spacing groove (17) of chamber (18) and lower holding chamber (19), enlargies circuit board (10) top layer and hugs closely spacing groove (17) setting, enlargies circuit board (10) bottom and is equipped with rubber packing ring (11), the external diameter of rubber packing ring (11) is greater than the internal diameter that holds chamber (19) down, enlarge circuit board (10) top layer and bottom and be equipped with public first (21) of quick connector and the public first (22) of quick connector respectively, electrical connector subassembly (3) are connected with female first (12) of quick connector through silica gel wire (8), female first (7) of quick connector and the public first (22) joint of quick connector, the public first (21) joint of quick connector of female (12) and quick connector.
2. The pressure transmitter with easy assembly as claimed in claim 1, wherein the pressure inlet head (4) is internally provided with a pressure inlet head pressure guide cavity (15), and the pressure inlet head pressure guide cavity (15) is arranged at the bottom outside the pressure inlet head accommodating cavity (14).
3. Pressure transmitter with easy assembly according to claim 1, characterized in that the lower part of the pressure inlet head (4) is provided with an O-ring (5).
4. The pressure transmitter with easy assembly as claimed in claim 1, wherein the top of the pressure inlet head (4) is provided with a pressure inlet head butt groove (13) for installing the shell assembly (2).
5. The pressure transmitter with simple assembly as claimed in claim 1, wherein the bottom of the metal shell (9) is provided with an inner chamfer (20), and both ends of the rubber gasket (11) are provided with outer chamfers (23) matched with the inner chamfers (20).
6. The pressure transmitter with easy assembly as claimed in claim 1, wherein the top surface of the rubber gasket (11) is closely attached to the bottom layer of the amplifying circuit board (10), and the bottom surface of the rubber gasket (11) is closely attached to the top surface of the pressure head (4).
7. The pressure transmitter with easy assembly according to claim 1, wherein the metal housing (9) is provided with a metal housing mating groove (16) at the top for mounting the electrical connector assembly (3).
8. The pressure transmitter with easy assembly as set forth in claim 3, wherein the O-ring (5) and the rubber gasket (11) are made of nitrile rubber or fluorine rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617782.9U CN214793607U (en) | 2021-03-26 | 2021-03-26 | Pressure transmitter easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617782.9U CN214793607U (en) | 2021-03-26 | 2021-03-26 | Pressure transmitter easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793607U true CN214793607U (en) | 2021-11-19 |
Family
ID=78667335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120617782.9U Active CN214793607U (en) | 2021-03-26 | 2021-03-26 | Pressure transmitter easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793607U (en) |
-
2021
- 2021-03-26 CN CN202120617782.9U patent/CN214793607U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 1638, Hatching Building, No. 99, Tuanjie Road, Yanchuang Park, China (Jiangsu) Pilot Free Trade Zone, Nanjing, Jiangsu Province, 210000 Patentee after: Nanjing Xunlian Hydraulic Technology Co.,Ltd. Address before: 210033 No.22 GuangYue Road, Qixia District, Nanjing City, Jiangsu Province Patentee before: SOLINER (NANJING) INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240326 Address after: Building 140, No. 8 Liyuan North Road, Moling Street, Jiangning Development Zone, Jiangning District, Nanjing City, Jiangsu Province, 211100 (Jiangning Development Zone) Patentee after: Nanjing Xunlian Fluid Technology Co.,Ltd. Country or region after: China Address before: Room 1638, Hatching Building, No. 99, Tuanjie Road, Yanchuang Park, China (Jiangsu) Pilot Free Trade Zone, Nanjing, Jiangsu Province, 210000 Patentee before: Nanjing Xunlian Hydraulic Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |