CN218646236U

CN218646236U - Advance and retreat displacement detection mechanism

Info

Publication number: CN218646236U
Application number: CN202222669009.4U
Authority: CN
Inventors: 许忠平
Original assignee: Zhuzhou Dinggu Locomotive Accessories Co ltd
Current assignee: Zhuzhou Dinggu Locomotive Accessories Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-03-17
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses an advance and retreat displacement detection mechanism in displacement measurement technical field, including base and install bin, install bin fixed connection be in the top right side of base, the inner chamber right side wall fixed connection elastic component of install bin, the left end fixedly connected with guide arm of elastic component, the left end of guide arm runs through install bin and fixedly connected with rubber suction cup, the right side wall fixed connection of install bin has displacement sensor, displacement sensor's inner chamber sliding connection has the measuring stick, the left end of measuring stick runs through install bin and fixed connection be in the right side wall of guide arm, the top left side fixedly connected with backup pad of base, this advance and retreat displacement detection mechanism, structural design is reasonable, can avoid the impact force to damage displacement sensor, improves displacement sensor life, but the quick measurement displacement sensor's precision simultaneously, not only saves time but also laborsaving.

Description

Advance and retreat displacement detection mechanism

Technical Field

The utility model relates to a displacement measurement technical field specifically is an advance and retreat displacement detection mechanism.

Background

The displacement sensor is also called as linear sensor, and is a linear device belonging to metal induction, and the sensor is used for converting various measured physical quantities into electric quantity, and its principle is that the mechanical displacement is converted into resistance or voltage output which is linear or arbitrary function relation with the mechanical displacement by means of potentiometer element, and the displacement of object can be used for making resistance change of moving end of potentiometer, and the change quantity of resistance value can reflect the magnitude of displacement, and the increase or decrease of resistance value can indicate the direction of displacement.

The existing displacement sensors are directly in direct contact with a measured object, impact can be generated due to direct contact of a moving object, the displacement sensors can be damaged after long-time use, the service life of the displacement sensors is shortened, the measurement accuracy of the displacement sensors needs to be tested after the existing displacement sensors are used for multiple times, but a common testing method is troublesome, and time and labor are consumed, so that the advancing and retreating displacement detection mechanism is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a advance and retreat displacement detection mechanism to solve the comparatively trouble problem of measurement accuracy that has proposed displacement sensor direct contact moving object and damaged easily and test displacement sensor among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an advance and retreat displacement detection mechanism, includes base and install bin, install bin fixed connection is in the top right side of base, the inner chamber right side wall fixed connection elastic component of install bin, the left end fixedly connected with guide arm of elastic component, the left end of guide arm runs through install bin and fixedly connected with rubber suction cup, the right side wall fixed connection of install bin has displacement sensor, displacement sensor's inner chamber sliding connection has the measuring stick, the left end of measuring stick runs through install bin and fixed connection be in the right side wall of guide arm.

As a further description of the above technical solution:

the top left side fixedly connected with backup pad of base, the spout has been seted up to the inside wall of backup pad.

As a further description of the above technical solution:

the inner cavity sliding connection of spout has the slider, fixedly connected with calibration block between the inside wall of slider.

As a further description of the above technical solution:

the top of the supporting plate is provided with a graduated scale.

As a further description of the above technical solution:

the elastic piece is a spring.

As a further description of the above technical solution:

the front side wall of the installation box is fixedly connected with a digital display screen, and the digital display screen is connected with the displacement sensor through an electric wire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this advance and retreat displacement detection mechanism through the moving object of rubber suction cup contact, makes the impact that produces act on rubber suction cup, can tentatively subdue the impact force through rubber suction cup, and rethread rubber suction cup transmits the impact force to the guide arm on for the elastic component compresses and subdues the impact force, thereby avoids the impact force to damage displacement sensor, improves displacement sensor life.

2. This advance and retreat displacement detection mechanism slides in through the both sides with the slider from the spout for the calibration block can carry out parallel translation, again with the rubber suction cups on the calibration block, afterwards through removing the data on calibration block and the record scale, displacement sensor measures and will measure the structure display on digital display screen simultaneously, at last through contrasting record data and display data, can measure displacement sensor's precision fast, not only saves time but also laborsaving.

Drawings

Fig. 1 is a schematic perspective view of a forward and backward displacement detecting mechanism provided by the present invention;

fig. 2 is a schematic view of a front view structure of a forward/backward displacement detecting mechanism according to the present invention;

fig. 3 is a schematic front sectional view of the advancing/retreating displacement detecting mechanism according to the present invention;

fig. 4 is a left side view structural schematic diagram of the advancing/retreating displacement detecting mechanism provided by the utility model.

In the figure: 100. a base; 110. a support plate; 120. a chute; 130. a slider; 140. a calibration block; 150. a graduated scale; 200. installing a box; 210. an elastic member; 220. a guide bar; 230. a rubber suction cup; 240. a displacement sensor; 250. a measuring rod; 260. and a digital display screen.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model provides a forward and backward displacement detection mechanism, which can protect a displacement sensor from being damaged by impact force and can quickly measure the accuracy of the displacement sensor, please refer to fig. 1-4, and comprises a base 100 and an installation box 200;

referring again to fig. 1-4, the base 100 is used to mount the case 200;

referring to fig. 1-3, an installation box 200 is fixedly connected to the right side of the top of a base 100, an elastic member 210 is fixedly connected to the right side wall of an inner cavity of the installation box 200, the elastic member 210 is used for eliminating impact force, a guide rod 220 is fixedly connected to the left end of the elastic member 210, the guide rod 220 is used for installing a rubber suction cup 230, the left end of the guide rod 220 penetrates through the installation box 200 and is fixedly connected to the rubber suction cup 230, the rubber suction cup 230 is used for contacting a measurement object, a displacement sensor 240 is fixedly connected to the right side wall of the installation box 200, the displacement sensor 240 is used for measuring a displacement value of the object, a measurement rod 250 is slidably connected to the inner cavity of the displacement sensor 240, the left end of the measurement rod 250 penetrates through the installation box 200 and is fixedly connected to the right side wall of the guide rod 220, and the measurement rod 250 is used for assisting the displacement sensor 240 to measure;

in conclusion, the displacement sensor 240 is prevented from being damaged by impact force, and the service life of the displacement sensor 240 is prolonged.

Referring to fig. 1-4 again, the top left side of the base 100 is fixedly connected with a supporting plate 110, and the inner side wall of the supporting plate 110 is provided with a sliding slot 120, through which the sliding block 130 can slide.

Referring to fig. 3-4, the inner cavity of the sliding groove 120 is slidably connected with a sliding block 130, and a calibration block 140 is fixedly connected between the inner side walls of the sliding block 130. The calibration block 140 can be moved in parallel by the slider 130.

Referring to fig. 1, a scale 150 is disposed on the top of the supporting plate 110, and the movement record of the calibration block 140 can be recorded through the scale 150.

Referring to fig. 3, the elastic member 210 is a spring, and the impact force can be eliminated by using the spring.

Referring to fig. 1-2, a digital display screen 260 is fixedly connected to a front side wall of the installation box 200, the digital display screen 260 is electrically connected to the displacement sensor 240 through an electric wire, and data measured by the displacement sensor 240 can be displayed through the digital display screen 260.

In summary, the accuracy of the displacement sensor 240 can be measured quickly, which is time-saving and labor-saving.

When the device is used specifically, a person skilled in the art firstly slides in the sliding block 130 from one side of the sliding groove 120, then sucks the rubber suction cup 230 on the calibration block 140, then moves the calibration block 140 in parallel and records data on the scale 150, meanwhile, the displacement sensor 240 measures and displays a measurement structure on the digital display screen 260, finally, the recorded data and the displayed data are compared, when the data are matched, the calibration block 140 is detached, then the displacement of an object is measured, during measurement, the rubber suction cup 230 is sucked on the object to be measured, the guide rod 220 is driven to move by the advance or retreat of the object, then the measuring rod 250 is driven to move, so that the displacement sensor 240 measures the displacement data, and finally, the measured data is displayed through the digital display screen 260.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An advance/retreat displacement detecting mechanism, characterized in that: including base (100) and install bin (200), install bin (200) fixed connection be in the top right side of base (100), the inner chamber right side wall fixed connection elastic component (210) of install bin (200), the left end fixedly connected with guide arm (220) of elastic component (210), the left end of guide arm (220) runs through install bin (200) and fixedly connected with rubber suction cup (230), the right side wall fixed connection of install bin (200) has displacement sensor (240), the inner chamber sliding connection of displacement sensor (240) has measuring stick (250), the left end of measuring stick (250) runs through install bin (200) and fixed connection be in the right side wall of guide arm (220).

2. The advancing-retreating displacement detection mechanism according to claim 1, characterized in that: the top left side fixedly connected with backup pad (110) of base (100), spout (120) have been seted up to the inside wall of backup pad (110).

3. The advancing-retreating displacement detection mechanism according to claim 2, characterized in that: the inner cavity of the sliding groove (120) is connected with a sliding block (130) in a sliding mode, and a calibration block (140) is fixedly connected between the inner side walls of the sliding block (130).

4. The advancing-retreating displacement detection mechanism according to claim 2, characterized in that: the top of the supporting plate (110) is provided with a graduated scale (150).

5. The advancing-retreating displacement detection mechanism according to claim 1, characterized in that: the elastic member (210) is a spring.

6. The advancing-retreating displacement detection mechanism according to claim 1, characterized in that: the front side wall of the installation box (200) is fixedly connected with a digital display screen (260), and the digital display screen (260) is connected with the displacement sensor (240) through a wire.