CN219265196U - Hole depth measuring device - Google Patents

Hole depth measuring device Download PDF

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Publication number
CN219265196U
CN219265196U CN202320053418.3U CN202320053418U CN219265196U CN 219265196 U CN219265196 U CN 219265196U CN 202320053418 U CN202320053418 U CN 202320053418U CN 219265196 U CN219265196 U CN 219265196U
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China
Prior art keywords
measuring head
handle
central hole
hole
measuring
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CN202320053418.3U
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Chinese (zh)
Inventor
赵勇
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Tianjin Putian Isolator Co ltd
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Tianjin Putian Isolator Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

The utility model provides a hole depth measuring device which comprises a handle, a dial indicator positioned at the left end of the handle, a backing plate detachably connected to the right end of the handle and used for positioning a detection reference surface, and a measuring head capable of moving in the handle, wherein a first central hole capable of accommodating the measuring head is formed in the right end of the handle along the inner central line, a second central hole capable of accommodating a dial indicator rod is formed in the left end of the handle along the inner central line, a third central hole is communicated between the first central hole and the second central hole, the dial indicator rod extending into the third central hole is abutted against the measuring head, and a spring is connected between the measuring head positioned in the second central hole and the inner wall of one end of the third central hole far away from the second central hole. According to the method, the hole depth detection method is improved from the old traditional and complex method of using calipers and the like to the special detection device, the method is efficient and quick, the detection efficiency and the product quality are improved, the detection accuracy is improved, and the detection misjudgment rate is reduced.

Description

Hole depth measuring device
Technical Field
The utility model relates to the technical field of detection devices, in particular to a hole depth measuring device.
Background
The current measuring method of the hole depth is to use a measuring rod of a depth gauge to measure, when the step difference between holes, namely the diameter difference is very small, the accurate position cannot be measured, when the step of the hole step is at a certain angle, the measurement is more difficult, firstly, the actual data cannot be measured accurately, and secondly, the repeatability and the reproducibility of the measurement cannot be met.
Disclosure of Invention
The utility model aims to provide a hole depth measuring device, which improves a hole depth detecting method from a traditional and complex method such as a caliper to a special detecting device, is efficient and quick, and improves the detecting efficiency and the product quality.
Based on the above problems, the technical scheme provided by the utility model is that the hole depth measuring device comprises a handle, a dial indicator positioned at the left end of the handle, a backing plate detachably connected to the right end of the handle and used for positioning a detection reference surface, and a measuring head capable of moving in the handle, wherein a first central hole capable of accommodating the measuring head is arranged at the right end of the handle along the inner central line, a second central hole capable of accommodating a dial indicator rod is arranged at the left end of the handle along the inner central line, a third central hole is communicated between the first central hole and the second central hole, the dial indicator rod extending into the third central hole is abutted against the measuring head, and a spring is connected between the measuring head positioned in the second central hole and the inner wall of one end of the third central hole far away from the second central hole.
The measuring head comprises a measuring head body positioned in the first center hole, a connecting section positioned on the left side of the measuring head body and abutted against the dial indicator rod, an unequal-diameter measuring head rod positioned on the right side of the measuring head body and a measuring part connected on the right side of the measuring head rod.
Furthermore, the measuring parts at the free ends of the measuring heads can be replaced by different lengths.
Furthermore, the measuring part at the free end of the measuring head can be used for machining a center hole.
Further, the measuring part of the free end of the measuring head can be designed as a core rod embedded in the measuring head rod.
Furthermore, the outer end face of the backing plate can be provided with a groove, and the bottom surface of the groove is used as a detection reference surface.
And the side end of the handle is provided with an inner hexagonal set screw which is perpendicular to the second central hole and used for fastening the dial indicator.
The side end of the handle is provided with a hexagonal set screw perpendicular to the first center hole and used for limiting movement of the measuring head rod and preventing the measuring head from falling out.
And the base plate is provided with an inner hexagon screw which connects the base plate with the handle.
The utility model has the advantages and beneficial effects that:
the utility model designs a rapid measuring gauge for hole depth, which realizes on-line precise detection, namely designs a movable gauge head to a measured position, and the distance from a gauge head measuring point (line and surface) to a reference surface is the data to be measured and is directly read through a dial indicator on the device. The method for detecting the depth of the hole is improved from the old traditional and complex method such as a caliper to the special detection device, is efficient and quick, improves the detection efficiency and the product quality, improves the detection precision, and reduces the detection misjudgment rate.
Drawings
Fig. 1 is a schematic view showing the structure of a hole depth measuring device according to embodiment 1 of the present utility model.
Fig. 2 is a schematic diagram of the structure of the hole depth measuring device of the measuring section of different lengths in embodiment 1 of the present utility model.
Fig. 3 is a schematic view showing the structure of a hole depth measuring device according to embodiment 2 of the present utility model.
Fig. 4 is a schematic structural view of a hole depth measuring device according to embodiment 3 of the present utility model.
In the figure: 1. a handle; 2. a backing plate; 3. measuring head; 31. a probe body; 32. a connection section; 33. a head measuring rod; 34. a measuring section; 4. a spring; 5. a hexagon socket screw; 6. a hexagon set screw in the cylindrical head; 7. an inner hexagon screw; 8. a dial indicator; 9. a reference surface; 10. a measurement surface; 11. a first central bore; 12. a second central bore; 13. a third central bore; 14. a groove; 15. and (5) a core bar.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
Embodiment 1 is as shown in fig. 1-3, a hole depth measuring device comprises a handle 1, a dial indicator 8 positioned at the left end of the handle 1, a backing plate 2 detachably connected to the right end of the handle 1 and used for positioning a reference surface 9, and a measuring head 3 capable of moving in the handle 1, wherein a first central hole 11 capable of accommodating the measuring head 3 is arranged at the right end of the handle 1 along the inner central line, a second central hole 12 capable of accommodating the dial indicator 8 rod is arranged at the left end of the handle 1 along the inner central line, a third central hole 13 is communicated between the first central hole 11 and the second central hole 12, the dial indicator 8 rod extending into the third central hole 13 is abutted against the measuring head 3, and a spring 4 is connected between the measuring head 3 positioned in the second central hole 12 and the inner wall of one end of the third central hole 13 far away from the second central hole 12.
The base plate 2 is a rectangular plate body with a central hole inside, and an inner hexagon screw 7 for connecting the base plate 2 with the handle is arranged on the base plate 2.
The measuring head 3 is composed of a measuring head body 31 positioned in the first central hole 11, a connecting section 32 positioned at the left side of the measuring head body 31 and abutted against the dial indicator 8, an unequal diameter measuring head rod 33 positioned at the right side of the measuring head body 31, and a measuring part 34 connected at the right side of the measuring head rod 33, the free end face of the measuring part 34 is a measuring surface 10, and the measuring part 34 can process the central hole. The measuring part 34 at the free end of the measuring head 3 can be replaced with different lengths, as shown in fig. 2 (a), (b) and (c) which are schematic diagrams of hole depth measuring devices of measuring parts with different lengths, and are suitable for measuring different product depths.
Wherein, the side end of the handle 1 is provided with an inner hexagonal set screw 5 which is perpendicular to the second central hole 12 and used for fastening the dial indicator 8.
The side end of the handle 1 is provided with a hexagonal set screw 6 perpendicular to the first central hole 11 and used for limiting the movement of the measuring head rod 33 and preventing the measuring head 3 from falling out.
Embodiment 2 is as shown in fig. 2-4, a hole depth measuring device, including handle 1, dial indicator 8 that is located handle 1 left end, be used for fixing a position datum plane 9 backing plate 2 and can be in handle 1 internal movable's gauge head 3 that connect in handle 1 right-hand member, handle 1 right-hand member sets up along inside central line and can hold the first centre bore 11 of gauge head 3, and handle 1 left end sets up along inside central line and can hold the second centre bore 12 of dial indicator 8 table pole, communicates third centre bore 13 between first centre bore 11 and the second centre bore 12, extends to the inside joint of dial indicator 8 table pole and gauge head 3 of third centre bore 13, is located between gauge head 3 and the inside wall of third centre bore 13 one end that keeps away from second centre bore 12 in second centre bore 12 and connects spring 4.
The outer end face of the backing plate 2 is provided with a groove 14 with a certain depth, the bottom face of the groove 14 is used as a detection reference surface 9, and the method is suitable for measuring different product depths. The bottom of the groove 14 is provided with an inner hexagon screw 7 which connects the backing plate 2 with the handle 1.
The measuring head 3 is composed of a measuring head body 31 located in the first center hole 11, a connecting section 32 located on the left side of the measuring head body 31 and abutted against the dial indicator 8, an unequal diameter measuring head rod 33 located on the right side of the measuring head body 31, and a measuring part 34 connected on the right side of the measuring head rod 33, wherein the free end face of the measuring part 34 is the measuring surface 10.
Wherein, the side end of the handle 1 is provided with an inner hexagonal set screw 5 which is perpendicular to the second central hole 12 and used for fastening the dial indicator 8.
The side end of the handle 1 is provided with a hexagonal set screw 6 perpendicular to the first center hole 11 and used for limiting the movement of the measuring head 3 rod and preventing the measuring head 3 from falling out.
Embodiment 3 is as shown in fig. 4, a hole depth measuring device, including handle 1, be located the percentage table 8 of handle 1 left end, can dismantle the backing plate 2 that is used for locating reference surface 9 and can be in handle 1 internal movement's gauge head 3 of connecting at handle 1 right-hand member, handle 1 right-hand member sets up along inside central line and can holds the first centre bore 11 of gauge head 3, and handle 1 left end sets up along inside central line and can hold the second centre bore 12 of percentage table 8 table pole, communicates third centre bore 13 between first centre bore 11 and the second centre bore 12, extends to the interior percentage table 8 table pole of third centre bore 13 with gauge head 3 looks butt, be located between gauge head 3 and the third centre bore 13 one end inner wall of keeping away from second centre bore 12 in second centre bore 12 and connect spring 4.
The base plate 2 is a rectangular plate body with a central hole inside, and an inner hexagon screw 7 for connecting the base plate 2 with the handle is arranged on the base plate 2.
The measuring head 3 is composed of a measuring head body 31 positioned in the first central hole 11, a connecting section 32 positioned at the left side of the measuring head body 31 and abutted against the dial indicator 8, an unequal diameter measuring head rod 33 positioned at the right side of the measuring head body 31 and a measuring part 34 connected at the right side of the measuring head rod 33, wherein the measuring part 34 is designed to be embedded into the core rod 15 in the measuring head 3 rod. The universality of the handle 1 and the core bar 15 is stronger, and the core bar 15 is only required to be changed according to actual needs in the use process, so that the whole measuring head is not required to be dismantled.
Wherein, the side end of the handle 1 is provided with an inner hexagonal set screw 5 which is perpendicular to the second central hole 12 and used for fastening the dial indicator 8.
The side end of the handle 1 is provided with a hexagonal set screw 6 perpendicular to the first center hole 11 and used for limiting the movement of the measuring head 3 rod and preventing the measuring head 3 from falling out.
When the product of the three embodiments works, 1) the handle 1 is held by hand, the measuring head 3 is penetrated into the hole, the reference surface 9 is tightly attached to the reference surface 9 of the measured product, and the measuring head 3 is propped against the bottom of the hole;
2) The diameter of the measuring head 3 is slightly smaller than the inner diameter of the hole, the measuring head is propped against the step difference position, the movement is stopped, at the moment, the handle 1 continues to move, and the compression spring 4 is attached to the datum plane 9;
3) The upper end of the measuring head 3 rod is provided with a dial indicator 8 measuring rod, the data of the dial indicator 8 are changed, and the data are read.
The foregoing describes several embodiments of the present utility model in detail, but the description is merely a preferred embodiment of the utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (7)

1. A hole depth measuring device, characterized in that: the device comprises a handle, a dial indicator positioned at the left end of the handle, a backing plate detachably connected to the right end of the handle and used for positioning a detection reference surface, and a measuring head capable of moving in the handle, wherein a first central hole capable of accommodating the measuring head is formed in the right end of the handle along the inner central line, a second central hole capable of accommodating a dial indicator rod is formed in the left end of the handle along the inner central line, a third central hole is communicated between the first central hole and the second central hole, the dial indicator rod extending into the third central hole is abutted against the measuring head, and a spring is connected between the measuring head positioned in the second central hole and the inner wall of one end of the third central hole far away from the second central hole;
the measuring head comprises a measuring head body positioned in a first center hole, a connecting section positioned on the left side of the measuring head body and abutted against the dial indicator rod, an unequal-diameter measuring head rod positioned on the right side of the measuring head body and a measuring part connected on the right side of the measuring head rod, wherein the measuring part of the free end of the measuring head can be replaced by different lengths.
2. The hole depth measurement device of claim 1, wherein: the measuring part of the free end of the measuring head can be used for processing a center hole.
3. The hole depth measurement device of claim 2, wherein: the measuring part of the free end of the measuring head can be designed as a core rod embedded in the measuring head rod.
4. The hole depth measurement device of claim 1, wherein: the outer end face of the base plate can be provided with a groove, and the bottom surface of the groove is used as a detection reference surface.
5. The hole depth measurement device of claim 1, wherein: the side end of the handle is provided with an inner hexagonal set screw which is perpendicular to the second central hole and used for fastening the dial indicator.
6. The hole depth measurement device of claim 1, wherein: the side end of the handle is provided with a hexagonal set screw which is perpendicular to the first center hole and is used for limiting the movement of the measuring head rod and preventing the measuring head from falling out.
7. The hole depth measurement device of claim 1, wherein: and the base plate is provided with an inner hexagon screw which connects the base plate with the handle.
CN202320053418.3U 2023-01-09 2023-01-09 Hole depth measuring device Active CN219265196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320053418.3U CN219265196U (en) 2023-01-09 2023-01-09 Hole depth measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320053418.3U CN219265196U (en) 2023-01-09 2023-01-09 Hole depth measuring device

Publications (1)

Publication Number Publication Date
CN219265196U true CN219265196U (en) 2023-06-27

Family

ID=86870244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320053418.3U Active CN219265196U (en) 2023-01-09 2023-01-09 Hole depth measuring device

Country Status (1)

Country Link
CN (1) CN219265196U (en)

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