CN217504705U - Blind hole depth detection measuring tool - Google Patents
Blind hole depth detection measuring tool Download PDFInfo
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- CN217504705U CN217504705U CN202220754002.XU CN202220754002U CN217504705U CN 217504705 U CN217504705 U CN 217504705U CN 202220754002 U CN202220754002 U CN 202220754002U CN 217504705 U CN217504705 U CN 217504705U
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- measuring
- sleeve
- blind hole
- depth
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a blind hole degree of depth measuring tool convenient to accurate directly perceived reads blind hole degree of depth measurement size, including the sleeve, adorn the position sleeve in the sleeve through threaded connection, suit the measuring stick in the sleeve through the location suit, adorn the measuring head at the measuring stick head through threaded connection, adorn the locating piece at the sleeve tip through connecting bolt, install the grating chi on the locating piece, the head of grating chi is towards measuring stick end department, and cooperate with the terminal surface of measuring stick, slide to the displacement volume of the end of contact measuring stick and add the length of measuring stick and read out the data of blind hole degree of depth through the grating chi; the positioning sleeve and the measuring rod are connected in a clearance fit manner; the measuring head is connected with a suitable measuring rod to enable the positioning block to be tightly attached to the end face of the product after being pushed to the deepest part of the blind hole and connected with the sleeve, and the measuring head can read data of the depth of the blind hole visually and conveniently by contacting the displacement of the end of the measuring rod with the grating ruler.
Description
Technical Field
The utility model belongs to the technical field of the blind hole processing, in particular to blind hole degree of depth measuring tool convenient to accurate directly perceived reading blind hole degree of depth measuring size.
Background
In the processing of the inner hole as a blind hole, the depth of the blind hole is detected, and the method generally adopts the following steps according to the depth range: the depth gauge, the steel plate gauge and the tape measure are adopted when the blind hole is shallow, so that the precision is high; the blind hole is long in depth, and a steel plate ruler or a tape measure is adopted for measurement, but the detection tools have the defect of large measurement error. In view of this, it is necessary to design and manufacture a measuring tool for detecting the depth of a blind hole, which uses different standard measuring rods to connect according to different depths, and uses a grating ruler to read the value, so that the depth of the blind hole can be read intuitively and conveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough among the above-mentioned prior art and provide an accurate, audio-visual, convenient blind hole degree of depth measuring tool of reading out the blind hole degree of depth.
The technical scheme of the utility model is realized like this: a blind hole depth detection measuring tool comprises a sleeve, a positioning sleeve, a measuring rod, a measuring head and a positioning block, wherein the positioning sleeve is installed in the sleeve in a threaded connection mode, the measuring rod is installed in the sleeve in a threaded connection mode, the measuring head is installed at the head of the measuring rod in a threaded connection mode, the positioning block is installed at the end portion of the sleeve in a connecting bolt mode, a grating ruler is installed on the positioning block, the head of the grating ruler faces the end of the measuring rod and is matched with the end face of the measuring rod, the grating ruler slides to the displacement amount contacting the end of the measuring rod, the length of the measuring rod is added, and data of the blind hole depth are read; the positioning sleeve and the measuring rod are connected in a clearance fit manner; and the rear positioning block from the top of the measuring head to the deepest part of the blind hole is connected with the sleeve and then clings to the end surface of the product.
Two adjustable supporting rods are arranged outside the sleeve to support the sleeve on the inner wall of the hole, so that the whole detection measuring tool is ensured to be in the center.
The connecting rod is provided with a sliding groove, a sliding key is fixed on the sleeve and is seated in the sliding groove, and the connecting rod detects the depth of the inner hole through the matching of the sliding key and the sliding groove.
The technical scheme of the utility model the positive effect that produces as follows: after connecting through measuring stick and measuring head, be in the same place through the position sleeve assembly with the sleeve, have two adjustable support rod supports under the sleeve, measure the top of the head to the deepest of blind hole, hug closely the terminal surface of product after locating piece and muffjoint together, the locking bolt locks, through the displacement volume of grating chi contact measuring stick end, reads out the degree of depth value. The utility model discloses can be according to the size of the blind hole degree of depth, connect with suitable measuring stick, through the displacement volume of grating chi contact measuring stick end, can be directly perceived, convenient read out the data of the blind hole degree of depth, overcome the detection blind hole degree of depth among the prior art and chooseed for use the big technical defect of measuring error such as steel plate chi or tape measure.
Drawings
Fig. 1 is a schematic structural view of the measuring tool for measuring blind hole depth according to the present invention.
Fig. 2 is a sectional view of the a-a structure of the measuring tool for measuring blind hole depth of the present invention.
Fig. 3 is a schematic diagram of the measuring tool for measuring blind hole depth according to the present invention.
The labels in the figures are: 1. a sleeve; 2. a measuring rod; 3. a measuring head; 4. a sliding key; 5. a support bar; 6. a positioning sleeve; 7. positioning blocks; 8. grating ruler, 9, locking bolt, 10 and connecting bolt.
Detailed Description
As shown in fig. 1, 2 and 3, a blind hole depth measuring tool comprises a sleeve 1, a positioning sleeve 6 installed in the sleeve 1 through threaded connection, a measuring rod 2 installed in the sleeve 1 through the positioning sleeve 6, a measuring head 3 installed at the head of the measuring rod 2 through threaded connection, a positioning block 7 installed at the end of the sleeve 1 through a connecting bolt 10, a grating ruler 8 installed on the positioning block 7, wherein the head of the grating ruler 8 faces the end of the measuring rod 2 and is matched with the end face of the measuring rod 2, and the blind hole depth data is read out by sliding the grating ruler 8 to the displacement contacting the end of the measuring rod 2 and adding the length of the measuring rod; the positioning sleeve 6 is connected with the measuring rod 2 in a clearance fit manner; the measuring head 3 is propped against the end surface of a product after the positioning block 7 is connected with the sleeve 1 together from the deepest part of the blind hole.
Two adjustable support rods 5 are arranged outside the sleeve 1 to support the sleeve 1 on the inner wall of the hole, so that the whole detection measuring tool is ensured to be in the center.
A sliding groove is formed in the measuring rod 2, a sliding key 4 is fixed on the sleeve 1, the sliding key 4 is seated in the sliding groove, and the measuring rod 2 detects the depth of an inner hole through the matching of the sliding key 4 and the sliding groove.
As shown in fig. 1 and 2, the measuring tool for detecting the depth of the blind hole comprises a sleeve 1, a measuring rod 2, a measuring head 3, a sliding key 4, a supporting rod 5, a positioning sleeve 6, a positioning block 7, a grating ruler 8, locking bolts 9 and 10 and a connecting bolt. The connection mode of each part is as follows: the sleeve 1 is connected with the measuring rod 2 through the positioning sleeve 2, the positioning sleeve 6 is in threaded connection with the sleeve 1, and the positioning sleeve 6 is in clearance fit connection with the measuring rod 2. The measuring rod 2 is connected with the measuring head 3 through threads, and the measuring rod 2 and the measuring head 3 are both of standard length; the measuring rod 2 is slidably adjustable in size inside the sleeve 1 by means of a sliding key 4. The positioning block 7 is in threaded connection with the sleeve 1. The blind hole measuring tool and the inner wall of the hole are adjusted through the support rod 5, so that the measuring device is as central as possible. The grating ruler 8 and the positioning block 7 are fixed together, the movable grating moves to the end face of the measuring rod 2, and moving data are read. During actual measurement, proper measuring rods are selected according to the depth of the blind holes, and the length of each group of measuring rods is 15mm, 30mm, 50mm, 100mm, 200mm, 400mm and 800mm. The moving range of the grating ruler is 25 mm; the length of the measuring head is as follows: 25 mm. For example, when the length of the blind hole is 1000mm, the lengths of the measuring rods are 800mm, 100mm, 50mm and 15 mm; the length of the measuring head is 25 mm; the rest displacement is read by the grating ruler. The selected measuring rods 2 are connected together by threads, the measuring rods are assembled with the sleeve 1 through the positioning sleeves 6, the measuring head 3 is connected with the measuring rods 2 by threads, and the measuring rods 2 are tightly propped by the locking bolts 9 after the positioning blocks 7 are connected with the device; and the grating ruler 8 is displaced to the end of the measuring rod 2, and the data of the grating ruler 8 is read. The sum of the length of the measuring rod 2, the length of the connecting head and the reading of the grating ruler is the depth of the blind hole.
Claims (3)
1. The utility model provides a blind hole degree of depth measuring tool, includes sleeve (1), installs position sleeve (6) in sleeve (1) through threaded connection, installs measuring stick (2) in sleeve (1) through position sleeve (6), installs measuring head (3) at measuring stick (2) head through threaded connection, installs locating piece (7) at sleeve (1) tip through connecting bolt (10), its characterized in that: a grating ruler (8) is installed on the positioning block (7), the head of the grating ruler (8) faces the end of the measuring rod (2) and is matched with the end face of the measuring rod (2), and the data of the depth of the blind hole is read out by the grating ruler (8) sliding to the displacement amount contacting the end of the measuring rod (2) and adding the length of the measuring rod; the positioning sleeve (6) is connected with the measuring rod (2) in a clearance fit manner; the measuring head (3) is pushed to the deepest part of the blind hole, and the rear positioning block (7) is connected with the sleeve (1) and then is tightly attached to the end face of the product.
2. The blind hole depth measuring gauge according to claim 1, wherein: two adjustable supporting rods (5) are arranged outside the sleeve (1) to support the sleeve (1) on the inner wall of the hole, so that the whole detection measuring tool is ensured to be in the center.
3. The blind hole depth measuring gauge according to claim 1, wherein: a sliding groove is formed in the measuring rod (2), a sliding key (4) is fixed on the sleeve (1), the sliding key (4) is seated in the sliding groove, and the measuring rod (2) detects the depth of an inner hole through the matching of the sliding key (4) and the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754002.XU CN217504705U (en) | 2022-04-02 | 2022-04-02 | Blind hole depth detection measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220754002.XU CN217504705U (en) | 2022-04-02 | 2022-04-02 | Blind hole depth detection measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504705U true CN217504705U (en) | 2022-09-27 |
Family
ID=83348156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220754002.XU Active CN217504705U (en) | 2022-04-02 | 2022-04-02 | Blind hole depth detection measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504705U (en) |
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2022
- 2022-04-02 CN CN202220754002.XU patent/CN217504705U/en active Active
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