CN217465640U

CN217465640U - Hole depth measuring device

Info

Publication number: CN217465640U
Application number: CN202221633251.XU
Authority: CN
Inventors: 张贵虎; 梁华斌; 蒋禹
Original assignee: Kaici Technology Ningbo Co ltd
Current assignee: Kaici Technology Ningbo Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-20
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a hole depth measuring device, including the base, install the slide through linear movement pair on the base, fixed mounting has the dipperstick on the slide, has the installation department on the slide, installs the reading head on the installation department, still installs the grating chi of measuring reading head displacement volume on the base, and the grating chi is located one side of reading head, be provided with the reference surface on the lateral wall along dipperstick slip direction on the base. The beneficial effects of the utility model are that: the displacement of reading head is measured through grating chi, the displacement of just can be accurate obtaining the dipperstick to measure the degree of depth of leaving the hole, when measuring the step hole, owing to be provided with the reference surface, the reference surface flushes with the top edge in hole all the time, what consequently adopted is same reference surface, thereby avoided because of the measuring error that the reference surface difference leads to, and then guaranteed the hole depth measurement accuracy in step hole.

Description

Hole depth measuring device

Technical Field

The utility model relates to a degree of depth in hole is measured, especially a hole depth measuring device.

Background

The existing method for measuring the depth of the hole is to measure through a depth gauge, but when the depth gauge is used for measuring some deeper holes, the measuring scale is not easy to go deep, and the measuring scale extends out of too long, which easily causes inaccurate measurement, especially when measuring the step hole, at least two times of measurement are needed, firstly, the depth of the large hole of the step hole is measured, then, the whole depth of the step hole is measured, and finally, the whole depth of the step hole subtracts the depth of the large hole of the step hole, thereby obtaining the depth of the small hole of the step hole.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a hole depth measuring device.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a hole depth measuring device, includes the base, installs the slide through the linear motion pair on the base, and fixed mounting has the dipperstick on the slide, has the installation department on the slide, installs the reading head on the installation department, still installs the grating chi of measuring reading head displacement volume on the base, and the grating chi is located one side of reading head, be provided with the reference surface on the lateral wall along dipperstick slip direction on the base.

Optionally, the clamp plate is installed at the top of slide, offers the recess that matches with the dipperstick on the lateral wall that is close to the slide on the clamp plate, and the dipperstick cooperation is installed in the recess, and the position of dipperstick is fixed through the locking screw who installs on the clamp plate.

Optionally, a threaded through hole is formed in the top of the pressing plate, a locking screw is installed in the threaded through hole, and the end of the locking screw is tightly pressed on the measuring scale.

Optionally, the linear moving pair comprises a sliding block and a guide rail, the guide rail is mounted on the base, the sliding block is mounted at the bottom of the sliding plate, and the sliding block is in sliding fit with the guide rail.

Optionally, the number of the sliding blocks is two, and the two sliding blocks are arranged at intervals.

Optionally, waist-shaped step holes are formed in the two ends of the grating ruler along the moving direction of the sliding block, screws are installed in the waist-shaped step holes, and the screws are locked with the screw holes in the base.

The utility model has the advantages of it is following: the utility model discloses a hole depth measuring device measures the displacement volume of reading the head through the grating chi, the displacement volume that obtains the dipperstick that just can be accurate to measure the degree of depth of leaving the hole, moreover when measuring the step hole, owing to be provided with the reference surface, the reference surface flushes with the top edge in hole all the time, what consequently adopted is same reference surface, thereby avoided because of the measuring error that the reference surface difference leads to, and then guaranteed the hole depth measurement accuracy in step hole.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

FIG. 2 is a schematic structural diagram of the present invention

FIG. 3 is a schematic structural diagram III of the present invention

Figure 4 is a schematic structural diagram of the present invention

In the figure, 1-base, 2-grating ruler, 3-reading head, 4-measuring ruler, 5-sliding plate, 6-pressing plate, 7-locking screw, 8-mounting part, 9-sliding block, 10-guide rail and 11-datum plane.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a hole depth measuring device comprises a base 1, a sliding plate 5 is installed on the base 1 through a linear moving pair, a measuring scale 4 is fixedly installed on the sliding plate 5, an installation part 8 is arranged on the sliding plate 5, and a reading head 3 is installed on the installation part 8, therefore, the displacement of the reading head 3 is the displacement of the measuring scale 4, a grating ruler 2 for measuring the displacement of the reading head 3 is also installed on the base 1, the grating ruler 2 is located at one side of the reading head 3, the grating ruler 2 can measure the displacement of the measuring scale 4 by measuring the displacement of the reading head 3, a reference surface 11 is arranged on the side wall of the base 1 along the sliding direction of the measuring scale 4, preferably, the measuring scale 4 is flat, and according to actual conditions, the measuring scale is convenient for inserting the deep hole 4, the insertion end of the measuring scale 4 can be a thin rod, preferably, when the end of the measuring scale 4 is aligned with the reference surface 11, at this time, the reading of the measuring scale 4 is zero, so the length of the measuring scale 4 extending out of the reference surface 11 is the reading of the grating scale 2, on the contrary, the reading measured by the grating scale 2 is the length of the measuring scale 4 relative to the reference surface 11, in this embodiment, the grating scale 2 and the reading head 3 are both commercially available products, the reading head 3 is connected with a display screen, the displacement of the reading head 3 can be seen through the straight tube of the display screen, and the displacement of the measuring scale 4 can be read,

when measuring, place base 1 at the edge of the hole that awaits measuring, then flush datum plane 11 with the edge of the hole of awaiting measuring, then slide 5, make the tip of dipperstick 4 flush with the bottom of the hole of awaiting measuring, then can show the degree of depth of taking the measuring hole on the display screen this moment, and in this embodiment, the measurement of mainly used step hole, when measuring, earlier to flushing the tip of dipperstick 4 with the macropore hole bottom of step hole, the macropore degree of depth of record step hole, then flush 4 bottoms of dipperstick 4 with the aperture bottom of step hole, the whole degree of depth of record step hole, then subtract the macropore degree of depth of step hole with the whole degree of depth of step hole, just can know the aperture degree of depth of step hole, thereby be convenient for the accurate processing of step hole.

In this embodiment, as shown in fig. 1 to 4, a pressing plate 6 is mounted on the top of the sliding plate 5, a groove matched with the measuring scale 4 is formed on the side wall of the pressing plate 6 close to the sliding plate 5, the measuring scale 4 is fittingly mounted in the groove, the position of the measuring scale 4 is fixed by a locking screw 7 mounted on the pressing plate 6, further, a threaded through hole is formed on the top of the pressing plate 6, a locking screw 7 is mounted in the threaded through hole, the end of the locking screw 7 tightly presses the measuring scale 4, the top surface of the pressing plate 6 is a rectangular surface, through holes are formed on four corners of the pressing plate 6, a threaded hole corresponding to the through hole is formed on the top of the sliding plate 5, the pressing plate 6 is connected with the sliding plate 5 by a screw mounted in the through hole, the locking screw 7 is in a normally locked state, when the measuring device needs to be adjusted, the locking screw 7 is loosened, the insertion end of the measuring scale 4 and the reference plane 11 are both placed on a reference plane, the locking screw 7 is then locked so that the end of the insertion end of the measuring ruler 4 is flush with the reference surface 11, thereby allowing the calibration of the measuring device.

In this embodiment, as shown in fig. 1 to 4, the linear moving pair includes a slider 9 and a guide rail 10, the guide rail 10 is installed on the base 1, the slider 9 is installed at the bottom of the sliding plate 5, and the slider 9 is in sliding fit with the guide rail 10, preferably, grooves are provided on both sides of the guide rail 10, and a protrusion corresponding to the groove is provided on the slider 9, further, a dovetail groove is provided on the slider 9, and the structure of the guide rail 10 matches with the dovetail groove.

In this embodiment, the number of the sliders 9 is two, and the two sliders 9 are spaced apart from each other, so that the linear accuracy of the movement of the measuring scale 4 can be ensured.

In this embodiment, waist shape step hole has all been seted up along 9 moving direction's of slider both ends on grating chi 2, and the downthehole screw that installs of waist shape step, and screw and the screw locking on the base 1, through waist shape step hole, can realize the regulation of grating chi 2 mounted position to the installation of grating chi 2 of being convenient for.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A hole depth measuring device is characterized in that: the base is included, install the slide through the rectilinear movement pair on the base, fixed mounting has the dipperstick on the slide, the installation department has on the slide, install the reading head on the installation department, still install the measurement on the base the grating chi of reading head displacement volume, the grating chi is located one side of reading head, be provided with the reference surface on the lateral wall along dipperstick slip direction on the base.

2. A hole depth measuring device according to claim 1, wherein: the measuring device is characterized in that a pressing plate is installed at the top of the sliding plate, a groove matched with the measuring ruler is formed in the side wall, close to the sliding plate, of the pressing plate, the measuring ruler is installed in the groove in a matched mode, and the position of the measuring ruler is fixed through a locking screw installed on the pressing plate.

3. A hole depth measuring device according to claim 2, wherein: the top of clamp plate is seted up the screw thread through-hole, install locking screw in the screw thread through-hole, the tip of locking screw sticiss the dipperstick.

4. A hole depth measuring device according to claim 1, wherein: the linear moving pair comprises a sliding block and a guide rail, the guide rail is installed on the base, the sliding block is installed at the bottom of the sliding plate, and the sliding block is in sliding fit with the guide rail.

5. A hole depth measuring device according to claim 4, wherein: the slider is two, and two the slider interval sets up.

6. A hole depth measuring device according to any of claims 1 to 5, wherein: waist-shaped step holes are formed in the two ends of the grating ruler along the moving direction of the sliding block, screws are installed in the waist-shaped step holes, and the screws are locked with the screw holes in the base.