CN210243037U - Cable outlet type pressure sensor - Google Patents
Cable outlet type pressure sensor Download PDFInfo
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- CN210243037U CN210243037U CN201920962338.3U CN201920962338U CN210243037U CN 210243037 U CN210243037 U CN 210243037U CN 201920962338 U CN201920962338 U CN 201920962338U CN 210243037 U CN210243037 U CN 210243037U
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- cable
- pressure sensor
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- housing
- sheath
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Abstract
The utility model discloses a cable type pressure sensor that is qualified for next round of competitions, include: a pressure measurement module for generating a pressure signal; a plurality of core wires connected to the pressure measuring module and led out to the outside; a housing that houses the pressure measurement module and the plurality of core wires therein, the housing having a first open connection portion at an upper portion thereof; the sealing agent is filled in the inner peripheral part of the shell, and the sealing agent also comprises a cover body, one end of the cover body is provided with an opening connected with the cable, the other end of the cover body is provided with a second open connecting part, and the second open connecting part is matched and connected with the first open connecting part on the upper part of the shell body to form a sealing cavity; the cable and the wire tightening sheath are coaxially matched together through the open hole at one end of the cover body, and the plurality of core wires are connected in the cable in a covering mode. The utility model relates to a cable type pressure sensor that is qualified for next round of competitions has reduced the volume of butt joint department with output cable integrated to the sensor on, its simple structure has reduced product cost simultaneously.
Description
Technical Field
The utility model relates to a pressure sensor specifically discloses a cable type pressure sensor of being qualified for next round of competitions.
Background
In the practical application of the pressure sensor, the electrical signal output by the sensor often needs to be transmitted to a measurement and control system by using a cable. It is common to design the connector structure on the sensor and then use the cable with the connector for docking to achieve the way the signal is output by the cable.
Fig. 1 is a perspective view of a cable outlet type pressure sensor according to the related art. The cable outlet type pressure sensor is composed of a pressure sensor 1 and a cable 2 with a connector, wherein a connector 1a of the pressure sensor is in butt joint with a connector 2a of the cable.
The connecting structure has longer adapting plug-in part, larger occupied space, larger bending radius of the cable and difficult installation in small space. The electromagnetic shielding is not provided for the part of the adapting plug-in unit, so that the model is easy to be interfered. Or the inside of the adapting plug-in is continuously electromagnetically shielded by a complex structure, so that the cost is high and the shielding effect is poor.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses a cable type pressure sensor of being qualified for next round of competitions on with output cable integrated to the sensor, has reduced the volume of butt joint department, and its simple structure has reduced product cost simultaneously.
In order to realize the technical purpose, the utility model discloses a following technical scheme:
a cable-outlet type pressure sensor comprising:
a pressure measurement module for generating a pressure signal;
a plurality of core wires connected to the pressure measuring module and led out to the outside;
a housing that houses the pressure measurement module and the plurality of core wires therein, the housing having a first open connection portion at an upper portion thereof;
and a sealing agent filled in the inner peripheral part of the housing,
the cable connector also comprises a cover body, wherein one end of the cover body is provided with an opening connected with a cable, the other end of the cover body is provided with a second open connecting part, and the second open connecting part is matched and connected with the first open connecting part at the upper part of the shell to form a sealed cavity;
the cable and the wire tightening sheath are coaxially matched together through the open hole at one end of the cover body, and the plurality of core wires are connected in the cable in a covering mode.
And a limiting structure used for limiting the axial movement of the cable is arranged between the stringing sheath and the cable.
The junction of cable and tight line sheath is equipped with the necking down section, be equipped with on the tight line sheath with necking down section complex radial arch, radial arch with the cooperation of necking down section forms limit structure.
The opening of the cover body connected with the cable is provided with an outward extending outer wrapping structure, the outer wrapping structure is used for wrapping the cable and is coaxially arranged with the cable, and the outer wrapping structure, the tightening sheath and the cable are tightly connected.
The shell is made of metal and/or plastic.
The cover body is matched with the shell body in a step mode and/or in a threaded mode.
The utility model has the advantages that:
1. the product structure is simpler, compared with the prior art, saves the part of the plug-in unit for matching and connecting, simultaneously saves the riveting structure of the shell and the part of the plug-in unit (the structure needs to process longer thin-wall pieces and has higher processing cost) and the structure of the integral injection molding of the plug-in unit and the cable, and saves the cost.
2. The production process is simple, the equipment investment is low, the high cost and high difficulty process such as mold opening design of the injection molding insert is avoided, and the yield of the product is improved;
3. the product is smaller in volume and the overall length (excluding the bendable cable portion) is reduced by about 50% compared to the mating insert portion of the prior art.
Drawings
FIG. 1 is a perspective view of a prior art cable-outlet type pressure sensor;
FIG. 2 is a perspective view of a cable-outlet type pressure sensor;
FIG. 3 is a cross-sectional view of a cable-out type pressure sensor;
the pressure measuring device comprises a shell 1, a bonding adhesive 2, a pressure measuring module 3, a cover 4, a wire tightening sheath 5, a cable 6 and a cable core wire 6 a.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments.
The implementation mode is as follows:
referring to fig. 2 and fig. 3, the packaging structure of the cable outlet type pressure sensor of the present invention includes a housing 1, a pressure measuring module 3 for generating a pressure signal, a cover 4 for fixing the cable, a wire tightening sheath 5, and a cable 6 for outputting a signal. The cable comprises a core wire 6 a.
The pressure measuring module 3 is fixed on the shell 1 by the adhesive 2, and finally the shell 1, the adhesive 2 and the pressure measuring module 3 form a sealed structure together for bearing the transmitted pressure and converting the pressure into an electric signal.
The material of the housing 1 includes, but is not limited to, metal, plastic, etc.
The cover 4 and the housing 1 are fitted together, and the fitting seams are welded or glued together by adhesive.
As a preferred embodiment of the present invention, the cover 4 is engaged with the housing 1 by a step fit or a screw fit.
The material of the cover 4 includes, but is not limited to, metal and plastic.
The stringing sheath 5 and the cable 6 are coaxially fitted together through a small hole above the housing, and are tightly fitted together by crimping the outer wall of the structure above the housing 1.
As a preferred embodiment of the cable outlet type pressure sensor of the present invention, the crimping manner includes, but is not limited to, hexagonal crimping, circular crimping, and the like.
The assembled shell 1, the cover body 4, the stringing sheath 4 and the cable 5 are tightly connected together, can well bear external drawing force and cable bending in the transportation, installation and use processes, and has good reliability.
The utility model relates to a cable type pressure sensor's of being qualified for next round of competitions packaging process is:
the case 1 is coated with adhesive, the pressure measuring module 3 is attached to the case 1, and the adhesive is cured. The pressure measurement module 3 comprises a bonding pad;
stripping a core wire on the cable 6, and welding the core wire to a bonding pad of the pressure measurement module;
the cover body 4 and the shell body 1 are matched together through steps, and are tightly connected through welding (not limited to methods such as laser welding and argon arc welding) or bonding materials;
Claims (6)
1. A cable-outlet type pressure sensor comprising:
a pressure measurement module for generating a pressure signal;
a plurality of core wires connected to the pressure measuring module and led out to the outside;
a housing that houses the pressure measurement module and the plurality of core wires therein, the housing having a first open connection portion at an upper portion thereof;
and a sealing agent filled in the inner periphery of the housing,
the cable connector also comprises a cover body, wherein one end of the cover body is provided with an opening connected with a cable, the other end of the cover body is provided with a second open connecting part, and the second open connecting part is matched and connected with the first open connecting part at the upper part of the shell to form a sealed cavity;
the cable and the wire tightening sheath are coaxially matched together through the open hole at one end of the cover body, and the plurality of core wires are connected in the cable in a covering mode.
2. The cable outlet type pressure sensor according to claim 1, wherein a limiting structure for limiting the axial movement of the cable is arranged between the stringing sheath and the cable.
3. The cable-out pressure sensor according to claim 2, wherein a neck section is provided at a junction of the cable and the stringing sheath, a radial protrusion is provided on the stringing sheath and cooperates with the neck section, and the radial protrusion cooperates with the neck section to form the limiting structure.
4. The cable outlet type pressure sensor according to claim 1, wherein the cover body has an outwardly extending outer covering structure at an opening connected to the cable, the outer covering structure is configured to cover an outer portion of the cable and is coaxially disposed with the cable, and the outer covering structure, the wire-tightening sheath and the cable are tightly connected.
5. The cable exit pressure sensor of claim 1, wherein the material of the housing comprises metal and/or plastic.
6. The cable exit pressure sensor of claim 1, wherein the cap and housing are one of a stepped and threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962338.3U CN210243037U (en) | 2019-06-25 | 2019-06-25 | Cable outlet type pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962338.3U CN210243037U (en) | 2019-06-25 | 2019-06-25 | Cable outlet type pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243037U true CN210243037U (en) | 2020-04-03 |
Family
ID=69987661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920962338.3U Active CN210243037U (en) | 2019-06-25 | 2019-06-25 | Cable outlet type pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243037U (en) |
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2019
- 2019-06-25 CN CN201920962338.3U patent/CN210243037U/en active Active
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