CN214471496U - Explosion-proof pressure sensor assembly - Google Patents
Explosion-proof pressure sensor assembly Download PDFInfo
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- CN214471496U CN214471496U CN202120865499.8U CN202120865499U CN214471496U CN 214471496 U CN214471496 U CN 214471496U CN 202120865499 U CN202120865499 U CN 202120865499U CN 214471496 U CN214471496 U CN 214471496U
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- iron sheet
- pressure sensor
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- shell
- rubber tube
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Abstract
The utility model relates to an explosion-proof type pressure sensor sub-assembly, including the last shell of moulding and lower metal casing of cooperation fastening connection from top to bottom, on mould the shell and the inside cavity that has of metal casing down, be equipped with circuit board and piezoresistive formula ceramic pressure component in the cavity, on mould and run through being equipped with participating in of being connected with the circuit board in the shell, the metal casing outer end still is provided with the installation component down, the installation component is including installation iron sheet, clamp and rubber tube, installation iron sheet, rubber tube overlap respectively and establish outside the interface of metal casing down, seted up the mounting hole on the installation iron sheet, the clamp cover is established outside the rubber tube and will install the iron sheet top tightly. This explosion-proof type pressure sensor sub-assembly has newly increased the installation component on original pressure sensor's basis, can fix this sensor effectively in corresponding occasion through the installation component, and fixed mounting is firm, avoids vibrations in the use and leads to the sensor to damage, has improved life greatly.
Description
Technical Field
The utility model relates to a sensor technical field especially relates to an explosion-proof type pressure sensor sub-assembly.
Background
The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to a plurality of industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.
The explosion-proof pressure sensor of CN206832402U previously applied by the present company solves the sealing problem and explosion-proof problem of the conventional pressure sensor, but the conventional pressure sensor is fixed only by a binding band or an adhesive tape after being installed, or needs to be installed by other connecting pieces, and the fixation is not firm, so that the pressure sensor is easy to vibrate and damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an explosion-proof type pressure sensor sub-assembly convenient to installation, shock resistance are strong, can improve life greatly.
The utility model discloses a realize through following technical scheme:
the utility model provides an explosion-proof type pressure sensor sub-assembly, includes that the last shell and the lower metal-back of moulding of cooperation fastening connection from top to bottom, go up and mould the inside cavity that has of shell and lower metal-back, be equipped with circuit board and piezoresistive ceramic pressure component in the cavity, go up and mould and wear to be equipped with participating in of being connected with the circuit board in the shell, the metal-back outer end still is provided with the installation component down, the installation component is including installation iron sheet, clamp and rubber tube, installation iron sheet, rubber tube overlap respectively and establish outside the interface of metal-back down, have seted up the mounting hole on the installation iron sheet, the clamp cover is established outside the rubber tube and will install the iron sheet top tightly.
In order to avoid loosening and ensure the installation firmness, the interface is a bevel-tooth-shaped interface.
In order to further avoid the clamp to take place to loosen, the rubber tube is opened outward and is equipped with cyclic annular notch, the clamp cover is established in cyclic annular notch.
In order to effectively fix the installation iron sheet, the interface of metal-back has the step outward, clamp one end is through the step with installation iron sheet top tight, and the other end is tight with cyclic annular notch top.
The utility model has the advantages that: this explosion-proof type pressure sensor sub-assembly has newly increased the installation component on original pressure sensor's basis, can fix this sensor effectively in corresponding occasion through the installation component to can utilize the characteristic that the rubber tube can be crooked, install in finite space, fixed mounting is firm, vibrations in the avoiding use and lead to the sensor to damage, have improved life greatly.
Drawings
Fig. 1 is a schematic structural diagram of an explosion-proof pressure sensor assembly according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
An explosion-proof pressure sensor assembly as shown in fig. 1 comprises an upper plastic shell 1 and a lower metal shell 3 which are vertically matched and fastened, wherein a cavity is formed inside the upper plastic shell 1 and the lower metal shell 3, a circuit board 4 and a piezoresistive ceramic pressure element 5 are arranged in the cavity, a pin 2 connected with the circuit board 4 penetrates through the upper plastic shell 1, the piezoresistive ceramic pressure element 5 is mounted on a protrusion in the lower metal shell 3, a sealing ring 8 is arranged between the lower metal shell 3 and the protrusion, the piezoresistive ceramic pressure element 5 is connected with the circuit board 4 through a plurality of connecting wires 7, the piezoresistive ceramic pressure element 5 is separated from the circuit board 4 through a partition plate 6, a cone-tooth-shaped interface 13 is arranged at the bottom end of the lower metal shell 3, and a mounting assembly is arranged outside the cone-tooth-shaped interface 13.
The installation component is including installation iron sheet 9, clamp 11 and rubber tube 10, installation iron sheet 9, rubber tube 10 overlap respectively and establish under the interface 13 of metal-back 3, have seted up mounting hole 12 on the installation iron sheet 9, rubber tube 10 top is opened outward and is equipped with annular notch, clamp 11 cover is established in annular notch, 13 tops of interface of metal-back 3 have the step outward down, and installation iron sheet 9 top surface is laminated with the step face mutually, clamp 11 top will install iron sheet 9 and step face top tightly, and clamp 11 bottom is tight with annular notch top, realizes relatively fixed.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (4)
1. The utility model provides an explosion-proof type pressure sensor sub-assembly, includes that cooperation fastening connection's from top to bottom moulds shell and metal-back down, it has the cavity with metal-back down inside to mould the shell to go up, be equipped with circuit board and piezoresistive ceramic pressure element in the cavity, go up to mould to penetrate to be equipped with in the shell and participate in its characterized in that with the circuit board is connected: the metal-back shell outer end still is provided with the installation subassembly down, the installation subassembly is including installation iron sheet, clamp and rubber tube, installation iron sheet, rubber tube overlap respectively and establish under outside the interface of metal-back shell, seted up the mounting hole on the installation iron sheet, the clamp cover is established outside the rubber tube and will install the iron sheet top tightly.
2. The explosion proof pressure sensor assembly of claim 1 wherein: the interface is the awl odontoid interface.
3. The explosion proof pressure sensor assembly of claim 1 wherein: the rubber tube is provided with an annular notch, and the hoop is sleeved in the annular notch.
4. The explosion proof pressure sensor assembly of claim 3, wherein: the interface of metal-back has the step outward, clamp one end is through the step with installation iron sheet top tight, the other end and cyclic annular notch top tight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865499.8U CN214471496U (en) | 2021-04-26 | 2021-04-26 | Explosion-proof pressure sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865499.8U CN214471496U (en) | 2021-04-26 | 2021-04-26 | Explosion-proof pressure sensor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214471496U true CN214471496U (en) | 2021-10-22 |
Family
ID=78180393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120865499.8U Active CN214471496U (en) | 2021-04-26 | 2021-04-26 | Explosion-proof pressure sensor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214471496U (en) |
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2021
- 2021-04-26 CN CN202120865499.8U patent/CN214471496U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Leili pressure controller Co.,Ltd. Address before: 213000 Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU LEILI PRESSURE CONTROLLER CO.,LTD. |