CN209764043U - Displacement sensor - Google Patents
Displacement sensor Download PDFInfo
- Publication number
- CN209764043U CN209764043U CN201920788808.9U CN201920788808U CN209764043U CN 209764043 U CN209764043 U CN 209764043U CN 201920788808 U CN201920788808 U CN 201920788808U CN 209764043 U CN209764043 U CN 209764043U
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- contact switch
- displacement sensor
- positioning
- mounting seat
- sensor according
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Abstract
The utility model discloses a displacement sensor, which comprises a contact switch, a mounting seat and a slide block; the contact switch comprises a button for switching on or off the contact switch; a slide rail is arranged on the mounting seat, a positioning mechanism for fixing the contact switch is arranged on the side surface of the slide rail in an injection molding mode, and the contact switch is fixed on the positioning mechanism; the sliding block is slidably arranged on the sliding rail, and one end of the button extends into a path through which the sliding block slides along the sliding rail. Because the positioning mechanism for fixing the contact switch is arranged on the mounting seat in an injection molding mode, namely the position of the positioning mechanism is precisely controlled in an injection molding mode through a mold, and the mold design has high precision, the detection of the contact switch and the position of an alarm point can be precisely adjusted.
Description
Technical Field
The utility model relates to a sensor technical field, in particular to displacement sensor.
background
Traditional displacement sensor generally adopts micro-gap switch as inside inductive element, drives inside slider when displacement sensor in measurement process and removes, and when slider displacement to switch department, trigger switch produces the signal that opens and shuts and feeds back to external system.
The traditional displacement sensor generally adopts manual adjustment of the position of a switch to calibrate the position for triggering alarm, but the method is limited by the size of the internal space of the displacement sensor on one hand, and if the internal space is smaller, the position of the switch is difficult to adjust in a manual mode, so that position deviation is easy to occur; on the other hand, after the traditional displacement sensor is calibrated, glue and the like are used for reinforcing the position of the microswitch, when the precision is poor and the time needs to be returned, the microswitch is difficult to detach and is easy to scrap.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a displacement sensor, can accurate adjustment alarm point position.
According to one of the aspects of the utility model, provide a displacement sensor, include:
A contact switch including a button for turning on or off the contact switch;
The mounting base is provided with a sliding rail, a positioning mechanism for fixing the contact switch is arranged on the side surface of the sliding rail in an injection molding mode, and the contact switch is fixed on the positioning mechanism;
The sliding block is slidably arranged on the sliding rail, and one end of the button extends into a path through which the sliding block slides along the sliding rail.
has the advantages that: the utility model discloses a displacement sensor that one aspect provided, including contact switch, mount pad, slider; the contact switch comprises a button for switching on or off the contact switch; a slide rail is arranged on the mounting seat, a positioning mechanism for fixing the contact switch is arranged on the side surface of the slide rail in an injection molding mode, and the contact switch is fixed on the positioning mechanism; the sliding block is slidably arranged on the sliding rail, and one end of the button extends into a path through which the sliding block slides along the sliding rail. The one end of slider is used for being connected with the object to be measured, can drive the slider and slide along the slide rail when the object to be measured takes place the displacement, when the object to be measured drives the slider and takes place the displacement and surpass predetermined scope, the slider will touch and stretch into the slider and slide along the button on the route that the slide passed through to switch on or break contact switch, send signal to control system, realize the detection and the warning to the displacement. Simultaneously, because the positioning mechanism who is used for fixed contact switch uses the mode of moulding plastics to set up on the mount pad, through the position of the accurate control positioning mechanism of the mode of mould plastics promptly, because the mould design has very high precision to realize accurate adjustment contact switch and detect and the position of warning point.
As a further improvement of the above scheme, the positioning mechanism includes a positioning column disposed on the mounting seat, a mounting hole matched with the positioning column is disposed on the contact switch, and the positioning column is embedded into the mounting hole to fix the contact switch on the mounting seat. Compare in traditional glue and paste fixed mode, use reference column embedding mounting hole to be convenient for micro-gap switch at alarm point position dismouting.
As a further improvement of the above scheme, the mounting base includes a left housing and a right housing for clamping the contact switch together, the positioning column is disposed on the left housing, the right housing is provided with a positioning hole matched with the positioning column, and a portion of the positioning column extending from the mounting hole is embedded into the positioning hole, so as to connect the left housing and the right housing. The structure of the mounting seat is simplified, and the production cost is reduced.
In a further improvement of the above scheme, the slider is rod-shaped, the slide rail is a circular groove matched with the rod-shaped slider in shape, and the circular groove is formed by enclosing a left semicircular groove and a right semicircular groove which are respectively arranged on the left shell and the right shell. The die is convenient to maintain, and the production cost is reduced.
As a further improvement of the scheme, the spring further comprises a spring, wherein two ends of the spring are respectively connected with the sliding block and the mounting seat and used for providing elastic force extending out of the circular groove for one end of the sliding block. The automatic reset of the sliding block is realized, and the precision of displacement measurement is improved.
As a further improvement of the scheme, the mounting seat is sequentially provided with two or more positioning mechanisms along the length direction of the slide rail. And realizing multi-stage displacement measurement and multi-stage displacement alarm.
as a further improvement of the above scheme, still establish including the cover the protective sheath in the mount pad outside, the protective sheath is including being used for holding the cavity of mount pad and setting are in the preceding port and the back port at protective sheath both ends, the one end of slider is passed preceding port stretches out the cavity, the back port be connected with be used for with the protective sheath is fixed jointly the back lid of mount pad. The protective sleeve is additionally arranged to prevent the mounting seat and the sliding block from being damaged by collision, and the maintenance and replacement cost is reduced.
As a further improvement of the scheme, the outer side surface of the front port and the rear cover are respectively provided with a thread for connection. It is convenient to set up the screw thread the embodiment of the utility model provides a displacement sensor installs and uses.
Drawings
the present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the structure of the embodiment of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an exploded view of an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a left housing according to an embodiment of the present invention;
Fig. 6 is a schematic structural diagram of a right housing according to an embodiment of the present invention;
In the figure, 110-protective sleeve, 120-thread, 130-rear port, 210-rear cover, 310-right shell, 311-right semicircular groove, 312-positioning hole, 320-left shell, 321-left semicircular groove, 322-positioning column, 410-contact switch, 420-mounting hole, 430-button, 510-slider, 520-spring and 521-fixing ring.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, 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, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1, 2, 3 and 4, there is provided a displacement sensor including:
A contact switch 410, wherein the contact switch 410 comprises a button 430, the button 430 is used for switching on or off the contact switch 410, and for improving the sensitivity, the contact switch 410 is a sensitive microswitch;
The mounting base is provided with a sliding rail, a positioning mechanism for fixing the contact switch 410 is arranged on the side surface of the sliding rail in an injection molding mode, and the contact switch 410 is fixed on the positioning mechanism;
A slider 510, the slider 510 being slidably disposed on the slide rail, and one end of the button 430 extending into a path along which the slider 510 slides along the slide rail.
As shown in fig. 5 and fig. 6, in addition to the above embodiments, the positioning mechanism includes a positioning post 322 disposed on the mounting seat, a mounting hole 420 matched with the positioning post 322 is disposed on the contact switch 410, and the positioning post 322 is inserted into the mounting hole 420 to fix the contact switch 410 on the mounting seat. Compare in fixed mode is pasted to traditional glue, use reference column 322 embedding mounting hole 420 to be convenient for micro-gap switch at alarm point position dismouting.
As shown in fig. 5 and fig. 6, based on the above embodiment, the mounting base includes a left housing 320 and a right housing 310 for clamping the contact switch 410 together, the positioning pillar 322 is disposed on the left housing 320, the right housing 310 is provided with a positioning hole 312 matching with the positioning pillar 322, and a portion of the positioning pillar 322 protruding from the mounting hole 420 is embedded in the positioning hole 312, so as to connect the left housing 320 and the right housing 310. Left casing 320 and right casing 310 are the working of plastics, use mould injection moulding, design the mount pad for the split type design that forms by left casing 320 and the combination concatenation of right casing 310, compare the design in the integral type and can simplify the structure of mould, reduction in production cost. Meanwhile, the positioning column 322 is not only used for installing the contact switch 410, but also the tail end of the positioning column 322 is embedded into the positioning hole 312 of the right shell 310, so that the left shell 320 and the right shell 310 are fixedly connected, the function multiplexing of the positioning column 322 is realized, the structure of the installation seat is further simplified, and the production cost is reduced.
As shown in fig. 5 and fig. 6, in another embodiment provided by the present invention, the positioning mechanism can be implemented by using grooves disposed in pairs at corresponding positions of the left casing 320 and the right casing 310, when the left casing 320 and the right casing 310 are spliced together, the corresponding grooves on the left casing 320 and the right casing 310 just form a mounting position for accommodating and fixing the contact switch 410; in other embodiments, the positioning mechanism may be a corresponding clamp provided on the left housing 320 and the right housing 310, and the corresponding contact switch 410 is fixed by the clamp.
As shown in fig. 2, in the above embodiment, the slider 510 is in the shape of a rod, and the slide rail is a circular groove matching the shape of the rod-shaped slider 510, and the circular groove is defined by a left semicircular groove 321 provided in the left housing 320 and a right semicircular groove 311 provided in the right housing 310. One end of the rod-shaped sliding block 510 extends into the circular groove serving as the sliding rail to trigger the button 430 of the contact switch 410, and the other end of the rod-shaped sliding block extends out of the circular groove to be connected with an object to be displaced. Meanwhile, the left semicircular groove 321 and the right semicircular groove 311 which are respectively arranged on the left shell 320 and the right shell 310 are used for enclosing to form a circular groove as a sliding rail, so that the design difficulty of the mold for injection molding the left shell 320 and the right shell 310 is further simplified, the mold maintenance is facilitated, and the production cost is reduced.
As shown in fig. 2, on the basis of the above embodiment, a spring 520 is further included, and two ends of the spring 520 are respectively connected to the sliding block 510 and the mounting seat, and are used for providing an elastic force for one end of the sliding block 510 to extend out of the circular groove. Because the rod-shaped sliding block 510 extends out of one end of the circular groove and is used for being connected with an object to be displaced, a spring 520 for resetting is arranged, a fixed ring 521 is fixedly connected to the periphery of the part, extending out of the circular groove, of the spring 520 in a welding mode, one end of the spring 520 sleeved on the periphery of the rod-shaped sliding block 510 is abutted or welded with the fixed ring 521, and the other end of the spring 520 is abutted to the opening position of the circular groove. The spring 520 is arranged to realize automatic reset of the slider 510, and displacement measurement errors caused by the fact that the mounting plane inclines or the slider 510 deviates due to vibration of the use environment are avoided, so that the precision of displacement measurement is improved.
As shown in fig. 2, in the above embodiment, two or more positioning mechanisms are sequentially disposed on the mounting base along the length direction of the slide rail. Each positioning mechanism is provided with a contact switch 410, and two contact switches 410 are sequentially arranged along the length direction of the slide rail, so that two displacement amounts can be measured, and if three contact switches 410 are arranged, three displacement amounts can be measured; therefore, the two or more positioning mechanisms are respectively provided with the corresponding contact switches 410, and when the sliding block 510 slides along the sliding rail under the driving of the object to be measured, the corresponding contact switches 410 are sequentially triggered, so that the multi-stage displacement measurement and the multi-stage displacement alarm are realized.
As shown in fig. 2 and 4, on the basis of the above embodiment, the protection cover 110 is further included, the protection cover 110 is sleeved on the outer side of the mounting seat, the protection cover 110 includes a cavity for accommodating the mounting seat, and a front port and a rear port 130 which are arranged at two ends of the protection cover 110, one end of the slider 510 passes through the front port and extends out of the cavity, and the rear port 130 is connected with a rear cover 210 which is used for fixing the mounting seat together with the protection cover 110. The outer wall of the mount is in interference fit or clearance fit with the cavity of the protective sheath 110, the rear cover 210 is in threaded connection or snap connection with the rear port 130, and the rear cover 210 and the protective sheath 110 clamp the mount disposed in the cavity together. The protective sleeve 110 is additionally arranged to prevent the mounting seat and the sliding block 510 from being damaged by collision, and the maintenance and replacement cost is reduced.
on the basis of the above embodiment, the outer side surface of the front port and the rear cover 210 are respectively provided with the screw threads 120 for connection. It is convenient to set up screw thread 120 the embodiment of the utility model provides a displacement sensor installs and uses.
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 without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A displacement sensor, comprising:
A contact switch including a button for turning on or off the contact switch;
The mounting base is provided with a sliding rail, a positioning mechanism for fixing the contact switch is arranged on the side surface of the sliding rail in an injection molding mode, and the contact switch is fixed on the positioning mechanism;
The sliding block is slidably arranged on the sliding rail, and one end of the button extends into a path through which the sliding block slides along the sliding rail.
2. A displacement sensor according to claim 1, wherein: the positioning mechanism comprises a positioning column arranged on the mounting seat, a mounting hole matched with the positioning column is formed in the contact switch, and the positioning column is embedded into the mounting hole to fix the contact switch on the mounting seat.
3. A displacement sensor according to claim 2, wherein: the mounting seat comprises a left shell and a right shell which are used for clamping the contact switch together, the positioning column is arranged on the left shell, the right shell is provided with a positioning hole matched with the positioning column, and the part of the positioning column extending out of the mounting hole is embedded into the positioning hole, so that the left shell and the right shell are connected.
4. A displacement sensor according to claim 3, wherein: the slider is rod-shaped, the slide rail be with rod-shaped slider shape matching's circular recess, the circular recess is enclosed to be constructed by the left semicircle groove that sets up respectively on the left casing and the right semicircle groove that sets up on the right side casing.
5. A displacement sensor according to claim 4, wherein: the spring is characterized by further comprising a spring, wherein two ends of the spring are respectively connected with the sliding block and the mounting seat and used for providing elastic force extending out of the circular groove for one end of the sliding block.
6. a displacement sensor according to claim 1, wherein: the mounting seat is provided with two or more positioning mechanisms in sequence along the length direction of the slide rail.
7. a displacement sensor according to claim 1, wherein: still establish including the cover the protective sheath in the mount pad outside, the protective sheath is including being used for holding the cavity and the setting of mount pad are in the preceding port and the back port at protective sheath both ends, the one end of slider is passed preceding port stretches out the cavity, the back port be connected with be used for with the protective sheath is jointly fixed the back lid of mount pad.
8. a displacement sensor according to claim 7, wherein: the outer side surface of the front port and the rear cover are respectively provided with a thread for connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788808.9U CN209764043U (en) | 2019-05-28 | 2019-05-28 | Displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788808.9U CN209764043U (en) | 2019-05-28 | 2019-05-28 | Displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764043U true CN209764043U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920788808.9U Active CN209764043U (en) | 2019-05-28 | 2019-05-28 | Displacement sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN209764043U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823280A (en) * | 2020-05-20 | 2020-10-27 | 武汉资联虹康科技股份有限公司 | Manipulator collision prompting device |
| CN112325823A (en) * | 2020-10-28 | 2021-02-05 | 江门市英合创展电子有限公司 | Adjustable displacement sensor |
| CN112432621A (en) * | 2020-11-09 | 2021-03-02 | 江门市英合创展电子有限公司 | Displacement sensor with push rod not prone to shifting |
-
2019
- 2019-05-28 CN CN201920788808.9U patent/CN209764043U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823280A (en) * | 2020-05-20 | 2020-10-27 | 武汉资联虹康科技股份有限公司 | Manipulator collision prompting device |
| CN111823280B (en) * | 2020-05-20 | 2022-04-19 | 武汉资联虹康科技股份有限公司 | Manipulator collision prompting device |
| CN112325823A (en) * | 2020-10-28 | 2021-02-05 | 江门市英合创展电子有限公司 | Adjustable displacement sensor |
| CN112432621A (en) * | 2020-11-09 | 2021-03-02 | 江门市英合创展电子有限公司 | Displacement sensor with push rod not prone to shifting |
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