CN220972111U - Pressure sensor fixing tool - Google Patents
Pressure sensor fixing tool Download PDFInfo
- Publication number
- CN220972111U CN220972111U CN202322568008.5U CN202322568008U CN220972111U CN 220972111 U CN220972111 U CN 220972111U CN 202322568008 U CN202322568008 U CN 202322568008U CN 220972111 U CN220972111 U CN 220972111U
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- pressure sensor
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- bottom plate
- elastic
- pins
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 36
- 244000273256 Phragmites communis Species 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000000523 sample Substances 0.000 description 10
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 4
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a pressure sensor fixing tool which can be used for fixing a pressure sensor when the pressure sensor is calibrated, and meanwhile, a pin is stably contacted with the fixing tool, and the pressure sensor is not easy to deform and damage under stress. The novel pressure sensor comprises a tool bottom plate and a PCB (printed circuit board), wherein the tool bottom plate is used for installing a pressure sensor, pins which are bent obliquely upwards are arranged on the left side and the right side of the pressure sensor, grooves used for placing the pressure sensor are formed in the front side and the rear side of the grooves, check blocks used for preventing the pressure sensor from moving forwards and backwards are arranged on the left side and the right side of the grooves, elastic reeds which are oppositely arranged are arranged on the left side and the right side of the grooves, the lower parts of the elastic reeds are connected with the PCB, contact ends which are bent towards the inner directions of the corresponding grooves are arranged on the upper parts of the elastic reeds, and the distance between the contact ends of the elastic reeds on the left side and the right side of the same groove is smaller than the maximum distance between the pins which are bent obliquely upwards on the left side and the right side of the pressure sensor and is larger than the minimum distance between the pins which are bent obliquely upwards on the left side and the right side of the pressure sensor.
Description
Technical Field
The utility model relates to the technical field of pressure sensor production, in particular to a pressure sensor fixing tool.
Background
The pressure sensor 100 generally comprises an air tap 101 positioned at the top end and a plurality of pins 102 extending horizontally from two sides and bending upwards in an inclined manner, wherein the air tap 101 is used for being connected with an air pipe, the pressure sensor needs to be calibrated in the production process, and when the pressure sensor is calibrated, a fixing tool is needed to be used for fixing the pressure sensor, and the following three types of existing fixing tools are adopted:
The first fixing tool shown in fig. 1: the pressure sensor 100 with the upward air tap 101 is placed on a tool bottom plate 2 above the PCB board 1, the pressure sensor 100 is connected with the tool by pressing the horizontal part of the pin 102 on the probe 103, but the horizontal part of the pin 102 is too short and only 1mm, the connection of the two pins cannot be accurately ensured, the probe easily slides between the two pins, and poor contact and short circuit are easily caused.
A second fixing tool shown in fig. 2: the fixture comprises a fixture bottom plate 2 positioned at the bottom, wherein the PCB 1 is arranged on two sides of the fixture bottom plate 2, probes 103 are connected to the PCB 1 to be horizontally arranged, an air tap 101 of a pressure sensor 100 is arranged on the fixture bottom plate 2 upwards, an adjusting component 106 (an adjusting bolt and an adjusting nut) and a spring 105 are arranged between the PCB 1 and the fixture bottom plate 2, the probes 103 on the PCB on two sides can be close to and pressed on the bending parts of pins 102 by screwing the adjusting nut, but the pressure of the fixture probes 103 is difficult to ensure, if the pressure is too small, poor contact between the fixture probes and the pins is easily caused, and if the pressure is too large, the pins are pressed and the appearance is poor.
A third fixed tooling shown in fig. 3: the double-sided clamping piece needle 104 is arranged on the PCB 1 to replace a probe 103 in a fixed tool I, the double-sided clamping piece needle 104 can be directly purchased and mainly consists of two elastic reeds, the tops of the elastic reeds are bent relatively to clamp pins in the middle of the elastic reeds, an air tap 101 of the pressure sensor 100 is placed downwards and a vertically downward probe 103 is inserted into the double-sided clamping piece needle 104, however, the double-sided clamping piece needle is adopted to easily bend the pins when clamping the pins, meanwhile, the air tap of a product and the pins are positioned in the same direction, so that the position of a gas pipe required by the product is too close to the position of the clamping piece needle, and the pressure sensor is difficult to use.
Disclosure of utility model
Aiming at the problems that the probe and the pin are easy to contact poorly, the pin is large in stress and easy to deform and the pin is easy to damage by adopting a double-sided clip needle in the existing pressure sensor fixing tool, the utility model provides the pressure sensor fixing tool which can be used for fixing the pressure sensor when the pressure sensor is calibrated, and meanwhile, the pin and the fixing tool are stable in contact and difficult to deform and damage due to stress.
The technical scheme is as follows: the utility model provides a fixed frock of pressure sensor, its includes frock bottom plate and PCB board, and it is used for installing pressure sensor, pressure sensor left and right sides is equipped with the pin of buckling upwards to one side, its characterized in that: the tool bottom plate is provided with a groove for placing the pressure sensor, the front side and the rear side of the groove are provided with stop blocks for preventing the pressure sensor from moving back and forth, the left side and the right side of the groove are provided with elastic reeds which are arranged oppositely, the lower parts of the elastic reeds are connected with the PCB, the upper parts of the elastic reeds are provided with contact ends which are bent towards the inner direction of the corresponding groove, the distance between the contact ends of the elastic reeds on the left side and the right side of the groove is smaller than the maximum distance of pins bent upwards obliquely on the left side and the right side of the pressure sensor, and the distance between the contact ends of the elastic reeds is larger than the minimum distance of pins bent upwards obliquely on the left side and the right side of the pressure sensor.
It is further characterized by:
The fixture bottom plate is further provided with a blocking strip, the blocking strip is contacted with one surface of the elastic reed, which is opposite to the groove, and the blocking strip is positioned below the contact end.
The beneficial effects of the utility model are as follows: when the pressure sensor is installed on the tool, the pressure sensor can be directly placed in the groove, the pressure sensor is connected to the PCB through the contact of the elastic reed and the inclined upward pin of the pressure sensor, the contact area is large, the contact can be stably contacted and the installation is stable because of the contact of the elastic reed contact end and the inclined upward pin, meanwhile, the pin of the pressure sensor is pressed at the elastic reed contact end by means of gravity, the stress is stable, the excessive bending of the pin can not be caused, the appearance deformation of the product is avoided, and the pressure sensor can be provided with sufficient space for connecting an air pipe after being installed on the tool.
Drawings
FIG. 1 is a schematic structural diagram of a conventional fixing tool I;
FIG. 2 is a schematic structural diagram of a second conventional fixture;
Fig. 3 is a schematic structural diagram of a conventional fixing tool III;
Fig. 4 is a schematic structural view of the present utility model.
In the figure, 100 is a pressure sensor, 101 is an air tap, 102 is a pin, 103 is a probe, 104 is a double-sided clip needle, 105 is a spring, 106 is an adjusting component, 1 is a PCB, 2 is a tool bottom plate, 3 is a stop block, 4 is an elastic reed, 5 is a contact end, and 6 is a stop bar.
Detailed Description
The pressure sensor fixing tool as shown in fig. 4 comprises a tool bottom plate 2 and a PCB board (not shown in the figure), wherein the tool bottom plate is used for installing a pressure sensor 100, pins 102 bent obliquely upwards are arranged on the left side and the right side of the pressure sensor 100, an air tap 101 is arranged above the tool bottom plate, a groove used for placing the pressure sensor 100 is arranged on the tool bottom plate 1, a stop block 3 used for preventing the pressure sensor 100 from moving forwards and backwards is arranged on the front side and the rear side of the groove, elastic reeds 4 which are oppositely arranged are arranged on the left side and the right side of the groove, the lower parts of the elastic reeds 4 are connected with the PCB board, contact ends 5 bent towards the inner directions of the corresponding grooves are arranged on the upper parts of the elastic reeds 4, and the distance between the contact ends 5 of the elastic reeds 4 on the left side and the right side of the same groove is smaller than the maximum distance between the pins 102 bent obliquely upwards on the left side and the right side of the pressure sensor 100 and is larger than the minimum distance between the pins 102 bent obliquely upwards on the left side and the right side of the pressure sensor 100.
The material of the tool bottom plate 2 can be FR-4, the setting of the front stop block 3 is used for limiting the pressure sensor to move back and forth, the elastic reed 4 is made of conductive metal, the elastic reed can be obtained after the two elastic reeds in the double-sided clip needle 104 are split, when the tool bottom plate is used, the air tap 101 of the pressure sensor 100 is upwards placed in a groove, and the pin can be pressed at the contact end 5 of the elastic reed 4.
In addition, the tooling bottom plate 2 is further fixedly provided with a blocking strip 6 through a screw, the blocking strip 6 is contacted with one surface of the elastic reed 4, which is opposite to the groove, and the blocking strip 6 is positioned below the contact end 5. The stop strip 6 can be made of FR-4 transverse strips and is used for controlling the direction of the elastic reed 4, preventing the elastic reed 4 from being excessively bent, and reducing the deformation of the elastic reed and prolonging the service life of the elastic reed 4.
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 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 present utility model should be subject to the protection scope of the claims.
Claims (2)
1. The utility model provides a fixed frock of pressure sensor, its includes frock bottom plate and PCB board, and it is used for installing pressure sensor, pressure sensor left and right sides is equipped with the pin of buckling upwards to one side, its characterized in that: the tool bottom plate is provided with a groove for placing the pressure sensor, the front side and the rear side of the groove are provided with stop blocks for preventing the pressure sensor from moving back and forth, the left side and the right side of the groove are provided with elastic reeds which are arranged oppositely, the lower parts of the elastic reeds are connected with the PCB, the upper parts of the elastic reeds are provided with contact ends which are bent towards the inner direction of the corresponding groove, the distance between the contact ends of the elastic reeds on the left side and the right side of the groove is smaller than the maximum distance of pins bent upwards obliquely on the left side and the right side of the pressure sensor, and the distance between the contact ends of the elastic reeds is larger than the minimum distance of pins bent upwards obliquely on the left side and the right side of the pressure sensor.
2. The pressure sensor fixing tool according to claim 1, wherein: the fixture bottom plate is further provided with a blocking strip, the blocking strip is contacted with one surface of the elastic reed, which is opposite to the groove, and the blocking strip is positioned below the contact end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568008.5U CN220972111U (en) | 2023-09-21 | 2023-09-21 | Pressure sensor fixing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322568008.5U CN220972111U (en) | 2023-09-21 | 2023-09-21 | Pressure sensor fixing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220972111U true CN220972111U (en) | 2024-05-17 |
Family
ID=91063141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322568008.5U Active CN220972111U (en) | 2023-09-21 | 2023-09-21 | Pressure sensor fixing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220972111U (en) |
-
2023
- 2023-09-21 CN CN202322568008.5U patent/CN220972111U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |