CN112432621A - Displacement sensor with push rod not prone to shifting - Google Patents
Displacement sensor with push rod not prone to shifting Download PDFInfo
- Publication number
- CN112432621A CN112432621A CN202011238817.4A CN202011238817A CN112432621A CN 112432621 A CN112432621 A CN 112432621A CN 202011238817 A CN202011238817 A CN 202011238817A CN 112432621 A CN112432621 A CN 112432621A
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- CN
- China
- Prior art keywords
- push rod
- cavity
- displacement sensor
- prone
- positioning
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Abstract
The invention discloses a displacement sensor with a push rod not easy to deviate, which comprises: the device comprises a shell, a mounting seat and a push rod, wherein a first cavity and a second cavity are arranged in the shell, a positioning groove is formed in the first cavity towards the second cavity, and a partition plate is arranged between the positioning groove and the second cavity; the mounting seat is arranged in the first cavity and provided with a positioning lug matched with the positioning groove, and an induction element is arranged in the mounting seat; the push rod penetrates through the second cavity, one end of the push rod extends into the mounting seat to trigger the induction element, the partition plate is provided with a through hole for the push rod to penetrate through, and the other end of the push rod extends out of the second cavity to the outside of the shell. The first chamber and the partition plate limiting structure of the shell ensure that the push rod can only vertically move, and the position deviation is not easy to cause.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a displacement sensor with a push rod not easy to deviate.
Background
At present, traditional displacement sensor is through being equipped with the push rod in inside among the prior art, is connected through with the object to be measured with the push rod, thereby drives the push rod motion when the object to be measured moves and measures the displacement of push rod and reflect the displacement of the object to be measured inside the sensor, but the push rod is after long-term upper and lower slip, and the position of push rod probably causes the deviation, and the position deviation is great even causes the unable normal slip of push rod, causes displacement sensor to damage easily.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the displacement sensor with the push rod not easy to deviate, and the limit structure of the first cavity of the shell and the partition plate ensures that the push rod can only vertically move, so that the position deviation is not easy to cause.
The displacement sensor with the push rod not easy to deviate comprises: the device comprises a shell, a first cavity and a second cavity are arranged in the shell, a positioning groove is formed in the first cavity towards the second cavity, and a partition plate is arranged between the positioning groove and the second cavity; the mounting seat is arranged in the first cavity and provided with a positioning lug matched with the positioning groove, and an induction element is arranged in the mounting seat; the push rod penetrates through the second cavity, one end of the push rod extends into the mounting seat to trigger the sensing element, the partition plate is provided with a through hole for the push rod to penetrate through, and the other end of the push rod extends out of the second cavity to the outside of the shell.
The displacement sensor with the push rod not easy to deviate according to the embodiment of the invention at least has the following beneficial effects: through the spacing fixed connection of the locating lug that is provided with positioning groove and mount pad setting in first cavity for the position of mount pad firmly sets up inside the casing, be equipped with the baffle between positioning groove and the second cavity, inside the push rod passed the second cavity and kicked into the mount pad, the baffle was provided with the through-hole that supplies the push rod to wear to establish, thereby play the spacing effect to the push rod position, through the limiting displacement of positioning groove and baffle, the position of push rod can only reciprocate perpendicularly when using the push rod, be difficult for causing the skew.
According to some embodiments of the invention, the mounting base is provided with a positioning column, and the sensing element is provided with a positioning hole matched with the positioning column.
According to some embodiments of the invention, the mounting seat comprises a first housing and a second housing for jointly clamping the sensing element, the positioning column is arranged on the first housing, and the second housing is provided with a positioning groove matched with the positioning column.
According to some embodiments of the invention, the side wall of the sensor element is provided with a button, one end of which protrudes into the path through which the push rod slides.
According to some embodiments of the invention, the housing further comprises a rear cover, a fixing column is arranged at the bottom of the rear cover, and a first thread for connection is arranged on the fixing column.
According to some embodiments of the invention, a mounting part for clamping a wrench is further arranged between the fixing column and the rear cover, and the mounting part is in a regular hexagon shape.
According to some embodiments of the invention, the housing top is provided with a second thread for connection.
According to some embodiments of the invention, the bottom of the side wall of the housing is provided with more than two recesses for the wrench to engage.
According to some embodiments of the invention, a seal ring is disposed below the second thread, and the seal ring is embedded in the housing.
According to some embodiments of the invention, the number of the positioning columns is two or more.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a displacement sensor with a push rod less prone to shift according to the present invention;
FIG. 2 is a cross-sectional view of a displacement sensor of the present invention with a push rod that is less prone to deflection;
FIG. 3 is a cross-sectional view of a housing of a displacement sensor with a push rod that is less prone to deflection according to the present invention;
FIG. 4 is an exploded view of a displacement sensor of the present invention in which the push rod is not easily deflected;
FIG. 5 is a schematic structural diagram of a first housing of a displacement sensor with a push rod less prone to shift according to the present invention;
fig. 6 is a schematic structural diagram of a second housing of the displacement sensor with a push rod less prone to shift according to the present invention.
The reference numbers are as follows:
the sealing device comprises a shell 100, a first chamber 101, a second chamber 102, a positioning groove 103, a rear cover 110, a mounting portion 111, a fixing column 112, a first thread 113, a concave portion 120, a second thread 130, a partition 140, a push rod 200, a mounting seat 300, a positioning bump 310, a first shell 320, a positioning column 321, a second shell 330, a positioning groove 331, a sensing element 400, a button 410, a positioning hole 420 and a sealing ring 500.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 4, a displacement sensor with a push rod 200 that is not easily deviated according to some embodiments of the present invention includes a housing 100, a mounting base 300, a sensing element 400, and a push rod 200, where the housing 100 is provided with a first chamber 101 and a second chamber 102, a positioning groove 103 is formed in a direction from the first chamber 101 to the second chamber 102, a partition 140 is provided between the second chamber 102 and the positioning groove 103, the mounting base 300 is disposed in the first chamber 101, the mounting base 300 is further provided with a positioning protrusion 310 that is matched with the positioning groove 103, so that the mounting base 300 and the first chamber 101 form a fixed state, the sensing element 400 is disposed in the mounting base 300, the push rod 200 is disposed in the second chamber 102, one end of the push rod 200 extends into the mounting base 300 to trigger the sensing element 400, the partition 140 is provided with a through hole through which the push rod 200 extends, and the other end of the push rod 200 extends from the second chamber 102 to the outside of the housing 100, be connected with outside device to be tested, through the spacing fixed connection of the locating lug 310 that is provided with positioning groove 103 and mount pad 300 setting in first cavity 101, make the position of mount pad 300 firmly set up inside casing 100, be equipped with baffle 140 between positioning groove 103 and the second cavity 102, push rod 200 passes inside second cavity 102 jets into mount pad 300, baffle 140 is provided with the through-hole that supplies push rod 200 to wear to establish, thereby play the spacing effect in push rod 200 position, limiting displacement through positioning groove 103 and baffle 140, push rod 200's position can only reciprocate perpendicularly when using push rod 200, be difficult for causing the offset.
Referring to fig. 4 to 6, in some embodiments of the present invention, the mounting base 300 includes a first housing 320 and a second housing 330, the first housing 320 is provided with a positioning post 321, the second housing 330 is provided with a positioning slot 331 matching with the positioning post 321 on the first housing 320, and the two are connected in a snap-fit manner to form the mounting base 300.
In some embodiments of the invention, the sensing element 400 is further provided with a positioning hole 420 matching with the positioning post 321 on the first housing 320, the positioning post 321 of the first housing 320 is inserted into the positioning hole 420 of the sensing element 400 and then is fastened and connected with the positioning slot 331 of the second housing 330, so that the sensing element 400 is clamped by the first housing 320 and the second housing 330, and the sensing element 400 is disposed inside the mounting base 300.
It should be noted that, at least two positioning posts 321 are provided to form two-point fixing, and the fixing between the first housing 320 and the sensing element 400 and the second housing 330 is firmer, specifically, the number of the positioning holes 420 and the positioning grooves 331 also corresponds to the number of the positioning posts 321.
In some embodiments of the present invention, a button 410 is disposed on a side wall of the sensing element 400, and one end of the button 410 extends into a path through which the push rod 200 slides, so that when the push rod 200 touches the button 410 of the sensing element 400, a displacement of an externally connected device under test reaches a predetermined displacement, and an alarm point is triggered.
Referring to fig. 1 and 4, in some embodiments of the present invention, the housing 100 further includes a rear cover 110, the rear cover 110 is fastened or fixedly welded to the bottom of the housing 100, a fixing post 112 is further disposed at the bottom of the rear cover 110, and a first thread 113 is disposed on the fixing post 112 and is used for connecting with an external device to be tested, so as to conveniently fix the sensor.
In some embodiments of the present invention, a mounting portion 111 for a wrench to be fixedly engaged is further disposed between the fixing post 112 and the rear cover 110, the shape of the mounting portion 111 is regular hexagon, the shape of the mounting portion 111 is not limited in the present invention, and the sensor is more firmly fixed by disposing the mounting portion 111 to cooperate with the wrench for fixing.
With continued reference to fig. 1 and 4, in some embodiments of the present invention, the top of the housing 100 is further provided with a second thread 130, and the function of the second thread 130 is similar to that of the first thread 113, and will not be described again.
In some embodiments of the present invention, a sealing ring 500 is further disposed below the second thread 130, and the sealing ring 500 is embedded in the housing 100 to perform a function of fixing a seal.
In some embodiments of the present invention, the bottom of the sidewall of the housing is provided with more than two recesses 120 for engaging with a wrench, and the function of the recesses 120 is similar to that of the mounting portion 111, which is not described herein again, and it should be noted that the number of the recesses 120 is at least two, so that the wrench can be stably clamped to twist the sensor, but the number of the recesses 120 is not limited in the present invention, and those skilled in the art can set the recesses according to practical application situations.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A displacement sensor with a push rod not prone to offset is characterized by comprising:
the device comprises a shell, a first cavity and a second cavity are arranged in the shell, a positioning groove is formed in the first cavity towards the second cavity, and a partition plate is arranged between the positioning groove and the second cavity;
the mounting seat is arranged in the first cavity and provided with a positioning lug matched with the positioning groove, and an induction element is arranged in the mounting seat;
the push rod penetrates through the second cavity, one end of the push rod extends into the mounting seat to trigger the sensing element, the partition plate is provided with a through hole for the push rod to penetrate through, and the other end of the push rod extends out of the second cavity to the outside of the shell.
2. The displacement sensor with a push rod not prone to shift according to claim 1, wherein the mounting seat is provided with a positioning column, and the sensing element is provided with a positioning hole matched with the positioning column.
3. The displacement sensor with a push rod not prone to shifting as claimed in claim 2, wherein the mounting seat includes a first housing and a second housing for clamping the sensing element together, the positioning column is disposed on the first housing, and the second housing is provided with a positioning groove matched with the positioning column.
4. The displacement sensor with a push rod not prone to shifting as claimed in claim 1, wherein a button is arranged on a side wall of the sensing element, and one end of the button extends into a path through which the push rod slides.
5. The displacement sensor with the push rod not prone to offset as claimed in claim 1, wherein the housing further comprises a rear cover, a fixing column is arranged at the bottom of the rear cover, and first threads for connection are arranged on the fixing column.
6. The displacement sensor with the push rod not prone to offset as claimed in claim 5, wherein an installation portion used for clamping a wrench is further arranged between the fixing column and the rear cover, and the installation portion is in a regular hexagon shape.
7. The displacement sensor with a push rod not prone to shifting is characterized in that the top of the shell is provided with a second thread for connection.
8. The displacement sensor of claim 1, wherein the bottom of the side wall of the housing has two or more recesses for engaging with a wrench.
9. The displacement sensor with a push rod not prone to shifting as claimed in claim 7, wherein a sealing ring is arranged below the second thread, and the sealing ring is embedded in the shell.
10. The displacement sensor with less prone to shift of the push rod as claimed in claim 2, wherein the number of the positioning posts is two or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238817.4A CN112432621A (en) | 2020-11-09 | 2020-11-09 | Displacement sensor with push rod not prone to shifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238817.4A CN112432621A (en) | 2020-11-09 | 2020-11-09 | Displacement sensor with push rod not prone to shifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112432621A true CN112432621A (en) | 2021-03-02 |
Family
ID=74699609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011238817.4A Pending CN112432621A (en) | 2020-11-09 | 2020-11-09 | Displacement sensor with push rod not prone to shifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112432621A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205977422U (en) * | 2016-08-12 | 2017-02-22 | 江门市英合创展电子有限公司 | Non -contact inlet manifold runner controller |
| CN208721308U (en) * | 2018-05-31 | 2019-04-09 | 成都肯保捷芯辰传感器有限公司 | A kind of car force sensor assembling structure |
| CN209764043U (en) * | 2019-05-28 | 2019-12-10 | 江门市英合创展电子有限公司 | Displacement sensor |
| CN211504186U (en) * | 2019-09-04 | 2020-09-15 | 深圳市腾龙信息技术有限公司 | Sensor probe protection device |
-
2020
- 2020-11-09 CN CN202011238817.4A patent/CN112432621A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205977422U (en) * | 2016-08-12 | 2017-02-22 | 江门市英合创展电子有限公司 | Non -contact inlet manifold runner controller |
| CN208721308U (en) * | 2018-05-31 | 2019-04-09 | 成都肯保捷芯辰传感器有限公司 | A kind of car force sensor assembling structure |
| CN209764043U (en) * | 2019-05-28 | 2019-12-10 | 江门市英合创展电子有限公司 | Displacement sensor |
| CN211504186U (en) * | 2019-09-04 | 2020-09-15 | 深圳市腾龙信息技术有限公司 | Sensor probe protection device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210302 |
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| RJ01 | Rejection of invention patent application after publication |