CN214793545U - Pressure sensor protection mechanism - Google Patents
Pressure sensor protection mechanism Download PDFInfo
- Publication number
- CN214793545U CN214793545U CN202121464946.5U CN202121464946U CN214793545U CN 214793545 U CN214793545 U CN 214793545U CN 202121464946 U CN202121464946 U CN 202121464946U CN 214793545 U CN214793545 U CN 214793545U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure sensor
- pressure head
- sensor
- guide post
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a pressure sensor protection machanism, the pressure head guide post is installed on the base, the pressure head guide post is equipped with and is used for accomodating pressure sensor, the sensor briquetting, the cavity of pressure head guide post cavity is arranged in to pressure sensor, the pressure sensor briquetting is located pressure sensor, the pressure sensor briquetting contains the major diameter portion of lower extreme and rather than the upper end minor diameter portion that links up, spring and spring pre-compaction piece suit are on the upper end minor diameter portion of pressure sensor briquetting, the spring pre-compaction piece can slide on the sensor briquetting when with the spring pre-compaction, the pressure head is packed into in the cavity of pressure head guide post, with spring pre-compaction piece butt, the spacing groove has been seted up to the lateral part of pressure head, the through-hole that can supply the pressure head spacer pin to pass is seted up to pressure head guide post position relative with the spacing groove, pressure head spacer pin and spacing groove clearance fit. The pressure of the press is transmitted to the pressure sensor in real time, and the pressure is monitored in real time; when the pressure sensor is abnormal, the pressure head is clamped by the pressure head limiting pin to protect the pressure sensor.
Description
Technical Field
The utility model relates to a pressure sensor protection mechanism.
Background
At present, in the press-fitting process of an automobile EGR product, when equipment is abnormal, the pressure of a press exceeds the range of a pressure sensor, and the pressure sensor is crushed.
Therefore, a mechanical protection mechanism of the pressure sensor needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a pressure sensor protection mechanism.
The purpose of the utility model is realized through the following technical scheme:
pressure sensor protection mechanism, characteristics are: comprises a base, a pressure head guide post, a sensor pressing block, a spring and a pressure head, wherein the pressure head guide post is arranged on the base, the pressure head guide post is provided with a cavity for accommodating the pressure sensor, the sensor pressing block, the spring pre-pressing block and the pressure head, the pressure sensor is arranged at the bottom of the pressure head guide post cavity, the pressure sensor pressing block is positioned on the pressure sensor, the pressure sensor pressing block comprises a large-diameter part at the lower end and an upper-end small-diameter part connected with the large-diameter part, the spring and the spring pre-pressing block are sequentially sleeved on the upper-end small-diameter part of the pressure sensor pressing block, the spring pre-pressing block can slide on the sensor pressing block while pre-pressing the spring, the pressure head is arranged in the cavity of the pressure head guide post, with spring pre-compaction piece butt, the spacing groove has been seted up to the lateral part of pressure head, and the pressure head guide post position relative with the spacing groove is seted up the through-hole that can supply the pressure head spacer pin to pass, and the pressure head spacer pin is along radial and spacing groove clearance fit.
Further, in the pressure sensor protection mechanism, the external section of the pressure head limiting pin extending out of the cavity is connected to the limiting pin fixing plate, and the limiting pin fixing plate is fixed to the pressure head guide post.
Further, in the pressure sensor protection mechanism, a through groove is formed in a position, right opposite to the small-diameter portion of the pressure head and the pressure sensor pressing block, of the bottom of the pressure head.
Furthermore, in the pressure sensor protection mechanism, the bottom surface of the pressure head guide post is convexly provided with the positioning post, and correspondingly, the base is provided with the positioning groove matched with the pressure head guide post.
Further, in the pressure sensor protection mechanism, the side portion of the pressure sensor extends out of the cavity and is sealed by the pressure sensor cover.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the mechanical protection mechanism of the pressure sensor has novel design, on one hand, the pressure of the press can be transmitted to the pressure sensor in real time, and the purpose of monitoring the pressure in real time by the pressure sensor is achieved; on the other hand, even if the equipment is abnormal, the pressure of the press exceeds the range of the pressure sensor, the pressure head is clamped by the pressure head limiting pin, the pressure head is prevented from continuously descending, the pressure sensor is fully protected, and the pressure sensor is prevented from being damaged by pressure; the service life of the equipment is prolonged, and the maintenance cost of the equipment is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the structure of the utility model is schematically shown.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the pressure sensor protection mechanism comprises a base 7, a pressure head guide post 3, a sensor pressing block 8, a spring 4 and a pressure head 10, wherein the pressure head guide post 3 is installed on the base 7, a positioning post is convexly arranged on the bottom surface of the pressure head guide post 3, correspondingly, a positioning groove matched with the pressure head is arranged on the base 7, the pressure head guide post 3 is provided with a cavity for accommodating the pressure sensor 5, the sensor pressing block 8, the spring pre-pressing block 9 and the pressure head 10, the pressure sensor 5 is arranged at the bottom of the pressure head guide post cavity, the side part of the pressure sensor 5 extends out of the cavity and is packaged by a pressure sensor sealing cover 6, the pressure sensor pressing block 8 is positioned on the pressure sensor 5, the pressure sensor pressing block 8 comprises a large-diameter part at the lower end and an upper-end small-diameter part connected with the pressure sensor pressing block 8, the spring 4 and the spring pre-pressing block 9 are sequentially sleeved on the upper-end small-diameter part of the pressure sensor pressing block 8, the spring can slide on sensor briquetting 8 when with the pre-compaction of spring 4, and pressure head 10 packs into in the cavity of pressure head guide post 3, with spring briquetting 9 butt, and the bottom of pressure head 10 is just to having seted up logical groove to the position with the path portion of pressure sensor briquetting 8, and the spacing groove has been seted up to the lateral part of pressure head 10, and the through-hole that can supply pressure head spacer pin 1 to pass is seted up at the pressure head guide post 3 position relative with the spacing groove, and pressure head spacer pin 1 is along radial and spacing groove clearance fit.
The pressure head spacer pin 1 extends out the outer section of the cavity to be connected on the spacer pin fixing plate 2, the spacer pin fixing plate 2 is fixed on the pressure head guide post 3, and the pressure head spacer pin 1 limits the moving position of the pressure head 10, so that the pressure head 10 can only slightly move up and down.
The mechanical protection mechanism of the pressure sensor is fixed on equipment through the base 7, and when the mechanical protection mechanism works normally, a pressed product is placed on the pressing head 10 and then is pressed by the pressing machine, so that the pressure of the pressing machine can be transmitted to the pressure sensor in real time, and the purpose of monitoring the pressure by the pressure sensor in real time is achieved.
The principle of the mechanical protection mechanism of the pressure sensor is, for example: the pressure requirement of the pressed product is in the range of a Newton to b Newton (a is smaller than b), the elasticity of the spring 4 after being pre-pressed is c Newton (c is larger than b and smaller than the maximum range of the pressure sensor), thus, in the working process of the equipment, if the pressure of the press is between a Newton and b Newton, the spring can not deform, and the pressure sensor can monitor the pressed pressure of the pressed product in real time; when the pressure of the press is abnormally larger than c Newton, the spring 4 can continue to deform, the position of the pressure head 10 can move downwards, the pressure head limiting pin 1 can clamp and restrain after moving a small amount of positions, the pressure head limiting pin 1 can prevent the pressure head from continuing to move downwards, extra pressure can be shared by the pressure head limiting pin 1 at the moment, and therefore the pressure sensor 5 is protected, and the pressure is prevented from exceeding the range of the pressure sensor.
To sum up, the mechanical protection mechanism of the pressure sensor of the utility model has novel design, can transmit the pressure of the press to the pressure sensor in real time, and achieves the purpose of monitoring the pressure by the pressure sensor in real time, even if the equipment is abnormal, the pressure of the press exceeds the range of the pressure sensor, the pressure head is blocked by the pressure head limiting pin, the pressure head is prevented from going down continuously, the pressure sensor is protected fully, and the pressure sensor is prevented from being damaged by pressure; the service life of the equipment is prolonged, and the maintenance cost of the equipment is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. Pressure sensor protection mechanism, its characterized in that: comprises a base (7), a pressure head guide post (3), a sensor pressing block (8), a spring (4) and a pressure head (10), wherein the pressure head guide post (3) is arranged on the base (7), the pressure head guide post (3) is provided with a cavity for accommodating a pressure sensor (5), a sensor pressing block (8), a spring pre-pressing block (9) and the pressure head (10), the pressure sensor (5) is arranged at the bottom of the pressure head guide post cavity, the sensor pressing block (8) is positioned on the pressure sensor (5), the sensor pressing block (8) comprises a large-diameter part at the lower end and a small-diameter part at the upper end connected with the large-diameter part, the spring (4) and the spring pre-pressing block (9) are sequentially sleeved on the small-diameter part at the upper end of the sensor pressing block (8), the spring pre-pressing block (9) can slide on the sensor pressing block (8) while pre-pressing the spring (4), the pressure head (10) is arranged in the cavity of the pressure head guide post (3), the spring pressing head guide post is abutted against the spring pre-pressing block (9), a limiting groove is formed in the side portion of the pressing head (10), a through hole through which the pressing head limiting pin (1) can penetrate is formed in the position of the pressing head guide post (3) opposite to the limiting groove, and the pressing head limiting pin (1) is in clearance fit with the limiting groove along the radial direction.
2. The pressure sensor protection mechanism of claim 1, wherein: the pressure head limiting pin (1) extends out of the external section of the cavity and is connected to the limiting pin fixing plate (2), and the limiting pin fixing plate (2) is fixed on the pressure head guide column (3).
3. The pressure sensor protection mechanism of claim 1, wherein: the part of the bottom of the pressure head (10) opposite to the small diameter part of the sensor pressing block (8) is provided with a through groove.
4. The pressure sensor protection mechanism of claim 1, wherein: the bottom surface of the pressure head guide post (3) is convexly provided with a positioning post, and correspondingly, the base (7) is provided with a positioning groove matched with the positioning post.
5. The pressure sensor protection mechanism of claim 1, wherein: the side part of the pressure sensor (5) extends out of the cavity and is encapsulated by a pressure sensor sealing cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464946.5U CN214793545U (en) | 2021-06-29 | 2021-06-29 | Pressure sensor protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121464946.5U CN214793545U (en) | 2021-06-29 | 2021-06-29 | Pressure sensor protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793545U true CN214793545U (en) | 2021-11-19 |
Family
ID=78715042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121464946.5U Active CN214793545U (en) | 2021-06-29 | 2021-06-29 | Pressure sensor protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214793545U (en) |
-
2021
- 2021-06-29 CN CN202121464946.5U patent/CN214793545U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113340474A (en) | Pressure sensor protection mechanism | |
| CN214793545U (en) | Pressure sensor protection mechanism | |
| CN1013750B (en) | Indicating device | |
| CN100564947C (en) | Long lead screw hydraulic type flexible supporting device | |
| CN101808471A (en) | PIN needle dissembling device and PIN dissembling head | |
| CN101611485A (en) | The erecting device of electronic unit | |
| KR101345024B1 (en) | Check device of spindle tool clamp for machine tool | |
| CN102445302A (en) | Pressure sensor | |
| CN208568059U (en) | A kind of aerial work platform weighing detection device | |
| CN204754877U (en) | Play alarm device | |
| CN212340585U (en) | Force measuring device of spring force measuring separator | |
| JPS57191472A (en) | Protecting and alarming apparatus operated when shear pin for guide vane is broken | |
| CN106198279B (en) | Spring pin force measuring mechanism for rapidly detecting ground strength | |
| CN212871137U (en) | Movable detection device and part detection system | |
| CN217048599U (en) | Automobile brake guide pin structure with high safety | |
| CN215069881U (en) | Mold positioning pin structure for semiconductor packaging | |
| CN211760233U (en) | Workpiece detection mechanism | |
| CN216560662U (en) | Intelligent test seat for QFN & DFN packaging | |
| CN216669070U (en) | Pressure sensor of high resistance to compression | |
| CN219783655U (en) | Gas-generating type piston feedback structure | |
| CN202129385U (en) | Protector for die plate of stamping die | |
| CN220006652U (en) | Photoelectric and physical foolproof conversion device | |
| CN205102958U (en) | Appearance is checked to industry pressure | |
| CN217290044U (en) | High-sensitivity electric contact type mis-feeding inductor | |
| CN217748980U (en) | Punching die capable of counting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |