Sliding type assembly for measuring distance

Abstract

The utility model provides a sliding type assembly used for measuring distance, comprising an insulation core body used for providing support, and the insulation core body extends in a straight line; the metal bodies are provided with through holes for the insulation core bodies to penetrate through, and the insulation core bodies penetrate through the through holes and are fixedly matched in the through holes; the insulation shielding sliding block is arranged on the insulation core body in a sliding fit mode and is located on the outer side of the metal body, and when the insulation shielding sliding block is located on the insulation core body and moves linearly, the metal body is located between the insulation core body and the insulation shielding sliding block; wherein the plurality of metal bodies are sequentially arranged on the insulating core body, and a space is reserved between each metal body and the adjacent metal body. The mechanism can be suitable for the interiors of displacement sensors of various forms and structures, is exquisite in structure, is high in structural durability, is easy to trigger, and improves the detection precision.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sensor technical field, especially relate to a sliding assembly for measuring distance. BACKGROUND

[0002] The displacement sensor can identify the relative position movement distance of the object, and the displacement sensors are different according to the use scene type, and the displacement sensors selected according to different scenes are different, and the displacement conversion device inside the existing displacement sensor utilizes the winding wire as a resistor, and the moving distance is converted by identifying the variable resistance, the displacement recognition mode has poor resolution at the internal combination point, in addition, the grating displacement sensor utilizes the photosensitive element in the grating, and the moving distance is identified by the number of light and dark of the grating.

[0003] The length of the displacement conversion assembly in the above two displacement sensor elements is relatively long, and the installation space is required in use, the device installation adaptability has limitations, the debugging process is complicated, and the resolution of displacement is low, and the identification of displacement distance depends on the distance of the adjacent internal components in operation, and the original element is triggered, so that small displacement cannot be identified. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that the existing displacement conversion device structure is complex, and the identification effect is poor, so as to provide a sliding assembly for measuring distance.

[0005] In order to achieve the above object, the utility model provides a sliding assembly for measuring distance, characterized by comprising

[0006] The insulating core is provided for supporting, and the insulating core extends in a straight line.

[0007] A plurality of metal bodies, the metal body has a through hole for the insulating core to pass through, and the insulating core passes through the through hole and is fixedly matched in the through hole; and

[0008] The insulating shielding sliding block is slidably matched on the insulating core and located outside the metal body, and when the insulating shielding sliding block moves linearly on the insulating core, the metal body is located between the insulating core and the insulating shielding sliding block.

[0009] Wherein, a plurality of metal bodies are arranged on the insulating core in sequence, and a spacing is left between each metal body and the adjacent metal body.

[0010] Further, the metal body is a sheet-shaped metal sleeve body surrounding the outer side surface of the insulating core, and a plurality of metal bodies are respectively sleeved on the insulating core.

[0011] Further, it further comprises

[0012] The shell has a containing cavity, and the two ends of the insulating core are fitted into end seats reserved in opposite positions of the containing cavity in a vertical posture.

[0013] Further, an insulating layer is further included, and the metal body and the insulating core are wrapped in the insulating layer, and the insulating layer is located between the metal body and the insulating shielding slider.

[0014] Further, a rubber plug is respectively fitted at the two ends of the insulating core.

[0015] The beneficial effects of the present application are as follows,

[0016] 1. The structure is redesigned, the new structure has high integration degree, small equipment size, can be applied to the internal structure of various position sensors, and widens the application range and use scenarios.

[0017] 2. A plurality of metal bodies are designed to be arranged on the same insulating core, and the plurality of metal bodies are arranged at intervals, so that when the insulating shielding slider moves, a plurality of nodes caused by electric field changes are obtained, and the displacement amount can be more accurately sensed.

[0018] 3. The mechanism can be applied to the internal structure of various forms and structures of displacement sensors, the mechanism has exquisite structure, high durability, is easy to trigger, and improves the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 The overall structure diagram of the sliding assembly provided by the present application is shown in the figure.

[0020] Fig. 2 The assembly structure diagram of the sliding assembly provided by the present application in surgery is shown in the figure. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. Figs. 1-2 It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0022] The embodiment 1 provides a sliding type assembly for measuring distance, which comprises an insulating core 1 for providing support, the insulating core 1 is a column body, and the insulating core 1 extends in a straight line; a plurality of metal bodies 2 are further comprised, the metal bodies 2 have through holes for the insulating core 1 to pass through, the insulating core 1 passes through the through holes and is fixedly matched in the through holes, and the metal bodies 2 can be square, cylindrical, prismatic or trapezoidal configuration bodies with edges; an insulating shielding sliding block 4 is slidably matched on the insulating core 1 and arranged outside the metal bodies 2, the insulating shielding sliding block 4 has through holes matched with shapes of the metal bodies 2, and the insulating shielding sliding block 4 can freely slide from outside of the insulating shielding sliding block 4 in the sliding process on the insulating core 1; when the insulating shielding sliding block 4 moves on the insulating core 1 in a straight line, the metal bodies 2 are located between the insulating core 1 and the insulating shielding sliding block 4; the plurality of metal bodies 2 are arranged on the insulating core 1 in sequence, a spacing a is left between each metal body 2 and the adjacent metal body 2, and the spacing length is smaller than the length of the insulating shielding sliding block 4, so that when the insulating shielding sliding block 4 slides and contacts the spacing position, the insulating shielding sliding block 4 is necessarily located outside any one of the metal bodies 2 or completely shields the spacing position to be located outside two metal bodies 2, and the insulating shielding sliding block 4 is preferably a high-sensitivity medium material such as a high-molecular plastic sleeve or a ceramic sleeve.

[0023] The above provides a kind of that can be moved by insulating shielding sliding block 4 in metal body 2, by powering the metal body 2, when insulating shielding sliding block 4 in the moving process will necessarily shield metal body 2, at this moment, the position of insulating shielding sliding block 4 will necessarily change the electric field of the environment, so as to obtain the moving amount of insulating shielding sliding block 4 according to the variation of electric field, finally the displacement of insulating shielding sliding block 4 on the insulating core 1 is obtained, the structure scheme and technical implementation scheme provided by the utility model, overall structure is small, can be integrated in a variety of types sensor, and break through the identification precision of original sensor, the identification precision of the scheme is higher, and structure is simple, low in cost, and implementation scheme is reliable.

[0024] The embodiment 2 provides a sliding type assembly for measuring distance, which comprises an insulating core 1 for providing support, the insulating core 1 is a column body, and the insulating core 1 extends in a straight line;

[0025] Further comprising a plurality of metal bodies 2 which are regarded as polar plates, the metal bodies 2 have through holes for the insulating core 1 to pass through, the insulating core 1 passes through the through holes and is fixedly fitted in the through holes, the metal bodies 2 can be square, cylindrical, prismatic or trapezoidal structures with edges; an insulating shielding slider 4 which is slidably fitted on the insulating core 1 and is arranged outside the metal bodies 2, the insulating shielding slider 4 has through holes matched with the shapes of the metal bodies 2, the insulating shielding slider 4 can freely slide from the outside of the insulating shielding slider 4 during sliding on the insulating core 1, when the insulating shielding slider 4 moves linearly on the insulating core 1, the metal bodies 2 are located between the insulating core 1 and the insulating shielding slider 4; the plurality of metal bodies 2 are arranged on the insulating core 1 in sequence, a spacing is left between each metal body 2 and the adjacent metal body 2, the length of the spacing is smaller than the length of the insulating shielding slider 4, thus when the insulating shielding slider 4 slides and contacts the spacing position, the insulating shielding slider 4 will necessarily be located outside any one of the metal bodies 2 or completely shield the spacing position to be located outside two metal bodies 2, wherein the insulating shielding slider 4 is preferably a high-sensitivity medium material such as a high-molecular plastic sleeve or a ceramic sleeve.

[0026] It needs to be added that, in order to improve the space utilization, the metal bodies 2 are sheet metal sleeve bodies surrounding the outer side of the insulating core 1, and the plurality of metal bodies 2 are respectively sleeved on the insulating core 1, that is, the metal bodies 2 preferably use a metal film to form a metal sleeve, in order to ensure smooth sliding of the insulating shielding slider 4 and improve the reliability and service life of the device, an insulating layer is further included, the insulating layer preferably uses a high-molecular film, the metal bodies 2 and the insulating core 1 are wrapped in the insulating layer, the insulating shielding slider 4 is located outside the insulating layer, and the insulating layer is located between the metal bodies 2 and the insulating shielding slider 4.

[0027] It further needs to be added that there is also a shell 6 regarded as another polar plate, the shell 6 has a receiving cavity, the two ends of the insulating core 1 are fitted into end seats reserved at opposite positions of the receiving cavity, the insulating core 1 is in a vertical posture, and rubber plugs 5 are respectively fitted at the two ends of the insulating core 1.

[0028] The metal bodies 2 and the shell 6 serve as polar plate electrodes, the air between the metal bodies 2 and the shell 6 and the insulating shielding slider 4 which can freely slide serve as a dielectric to form a variable-capacitance capacitor, wherein during sliding of the insulating shielding slider 4, the insulating shielding slider 4 can change the overall capacitance value due to the high dielectric constant of the insulating shielding slider 4, thus the metal bodies 2 can output the capacitance value to a corresponding processing unit, and the movement amount of the insulating shielding slider 4 can be known.

[0029] Each metal body 2 can be connected to an independent signal line and connected to a corresponding pin of the processor, such as a processor of model A33+AXP223 can be used to identify the capacitance value, the processor model here is only an example, using the processor to connect the signal line of each metal body 2 to different pins and energize for a certain time at a predetermined time interval after a predetermined clock and measure the capacitance value, the position of the insulating shielding slider 4 can be obtained to obtain the moving distance, or the metal body 2 is powered and the capacitance value is measured in real time to obtain the position and moving distance of the insulating shielding slider 4.

[0030] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A slide assembly for measuring distance, characterized by, The utility model provides a support device for a computer, which comprises an insulating core body for providing support, the insulating core body extending in a straight line; a plurality of metal bodies, the metal bodies having through holes for the insulating core body to pass through, the insulating core body passing through the through holes and being fixedly fitted in the through holes; and an insulating shielding sliding block, the insulating shielding sliding block being slidingly fitted on the insulating core body and being arranged outside the metal bodies, the metal bodies being located between the insulating core body and the insulating shielding sliding block when the insulating core body moves in a straight line on the insulating core body; wherein the plurality of metal bodies are arranged in sequence on the insulating core body, and a spacing is left between each metal body and an adjacent metal body. The metal bodies are sheet metal sleeve bodies surrounding the outer side surface of the insulating core body, and the plurality of metal bodies are respectively sleeved on the insulating core body.

2. A slide assembly for measuring distance according to claim 1, wherein, The utility model further comprises 3. A slide assembly for measuring distance according to claim 2, wherein, a shell, the shell having a containing cavity, both ends of the insulating core body being fitted into end seats reserved at opposite positions of the containing cavity, and the insulating core body being in a vertical posture. The utility model further comprises an insulating layer, the metal bodies and the insulating core body being wrapped in the insulating layer, and the insulating layer being located between the metal bodies and the insulating shielding sliding block.

4. A slide assembly for measuring distance according to claim 1, wherein, Rubber plugs are respectively arranged at both ends of the insulating core body.

5. A slide assembly for measuring distance according to claim 1, wherein, ​

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