CN211346654U - Special measuring tool for deep hole small-diameter deep inner groove - Google Patents
Special measuring tool for deep hole small-diameter deep inner groove Download PDFInfo
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- CN211346654U CN211346654U CN202020401907.XU CN202020401907U CN211346654U CN 211346654 U CN211346654 U CN 211346654U CN 202020401907 U CN202020401907 U CN 202020401907U CN 211346654 U CN211346654 U CN 211346654U
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- 239000000523 sample Substances 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000004519 grease Substances 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a deep hole minor diameter deep inner groove special measuring tool, including measuring mechanism and reading mechanism, measuring mechanism includes the measuring frame, the one end of measuring frame is through the female connection of external screw thread with the handle, be provided with the control lever on the measuring frame is close to the one end of handle, the external screw thread on the control lever is connected with the female connection on the measuring frame, the measuring frame below is connected with movable measuring frame through the control lever activity, be provided with the removable pin that provides the activity fulcrum for it on the movable measuring frame, the removable pin runs through movable measuring frame and is connected with measuring frame, the measuring frame other end is provided with the stiff end measuring probe, the stiff end measuring probe below is provided with the movable end measuring probe fixedly connected with movable measuring frame; reading mechanism includes the table frame and is used for showing the percentage table of reading, the utility model discloses simple structure, convenient operation can measure some deep hole minor diameter and some dark interior slot, and the practicality is strong.
Description
Technical Field
The utility model relates to a measuring device specifically is a deep hole minor diameter is special measuring tool of ditch groove in deeply.
Background
In numerical control machining and machining of some precision instruments, it is often necessary to check the precision of the shape, size and position of the instruments, which requires specialized precision instruments for measurement. At present, a workpiece with a deep inner hole needs to be measured, and the ratio of the depth to the diameter of the hole is 3.5: 1; and the middle part of the hole is provided with a section of groove, and the ratio of the groove to the hole diameter is 2: 1.
The length of a measuring claw of the internal groove caliper of the conventional measuring tool is less than 65 mm, the diameter of a workpiece slotted hole with the depth of more than 65 cannot be measured, and the measuring error of the measuring claw is large; the movable measuring head of the inside dial indicator is short and has a large diameter, so that the movable measuring head cannot enter the hole of the slotted hole, the diameter of the replaceable measuring head is large, the movable measuring head cannot enter the hole of the slotted hole, the aperture of the slotted hole cannot be measured, and the movable measuring head cannot be measured; the three-coordinate measuring machine cannot measure the position of the probe because the probe cannot extend into the three-coordinate measuring machine.
Aiming at the problems, a special measuring tool for deep holes, small diameters and deep inner grooves is designed at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special measuring tool of deep hole minor diameter deep inner groove to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a measuring tool special for a deep hole small-diameter deep inner groove comprises a measuring mechanism and a reading mechanism, wherein the measuring mechanism comprises a measuring frame, one end of the measuring frame is connected with an inner thread of a handle through an outer thread, a control rod is arranged at one end, close to the handle, of the measuring frame, the outer thread on the control rod is connected with the inner thread on the measuring frame, a movable measuring frame is movably connected below the measuring frame through the control rod, a movable pin for providing a movable fulcrum is arranged on the movable measuring frame, the movable pin penetrates through the movable measuring frame and is connected with the measuring frame, a fixed end measuring probe is arranged at the other end of the measuring frame, and a movable end measuring probe fixedly connected with the movable measuring frame is arranged below the fixed end measuring probe; the reading mechanism comprises a dial indicator frame and a dial indicator used for displaying reading, the dial indicator is arranged on one side of the control rod, a measuring rod is arranged below the dial indicator, a screw used for fixing the measuring rod is arranged on the dial indicator frame, and the measuring rod penetrates through the measuring frame and is connected with the movable measuring frame at the lower taper position.
Preferably, a spring and an annular gasket are arranged on an external thread above the connection part of the control rod and the measuring frame.
Preferably, the measuring frame and the movable measuring frame are the same in length, and the fixed end measuring probe and the movable end measuring probe are symmetrically arranged.
Preferably, the outer layer of the handle is provided with a layer of insulating rubber sleeve.
Preferably, the meter frame is provided with a screw for fixing the measuring rod.
Preferably, an adjusting screw used for finely adjusting the position of the movable measuring frame is arranged on the left side of the dial indicator on the measuring frame.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses be provided with spring and annular gasket on the external screw thread above control lever and the junction of measuring rack in the device, when controlling the activity measuring rack through rotating the control lever in order to realize contacting the inner groove inner wall of survey inner groove with the expansion end measuring probe, spring and annular gasket can reduce the buffering that brings during the activity, reduce the operating error; the measuring frame and the movable measuring frame are the same in length, and the fixed end measuring probe and the movable end measuring probe are symmetrically arranged, so that the measuring is convenient, and the measuring tool is simple and practical.
2. The outer layer of the handle is provided with an insulating rubber sleeve, sweat and grease on the palm of the hand can rub the handle when the handle is held by hands to measure an object, and the insulating rubber sleeve can prevent the sweat and the grease from corroding the device and damaging an internal electronic circuit of the device; be provided with the screw that is used for fixed measuring stick on the table frame, when not using, conveniently dismantle the percentage table, make all loads of percentage table contact, make the measuring stick be in free state, can increase the life of device.
3. The taper part below the measuring rod and the taper part below the adjusting screw are located on the same datum line, when the diameter of the deep hole and the deep inner groove are measured, the control rod controls the movable end measuring probe to be in contact with the inner wall of a measured object, and the movable end measuring probe can be finely adjusted by rotating the adjusting screw, so that the measuring error is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a special measuring tool for deep holes, small diameters and deep inner grooves.
Fig. 2 is a schematic structural diagram of a special measuring tool for measuring a deep hole, a small diameter and a deep inner groove.
Fig. 3 is a schematic structural diagram of the special measuring tool for the deep hole small-diameter deep inner groove when the movable measuring frame is opened during operation.
Wherein: 1-fixed end measuring probe, 2-movable end measuring probe, 3-measuring frame, 4-movable measuring frame, 5-movable pin, 6-adjusting screw, 7-screw, 8-gauge frame, 9-control rod, 10-dial indicator, 11-handle, 12-spring, 13-measuring rod, 14-measuring mechanism, 15-reading mechanism.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a deep hole small diameter deep inner groove special measuring tool comprises a measuring mechanism 14 and a reading mechanism 15, wherein the measuring mechanism 14 includes a measuring frame 3, one end of the measuring frame 3 is connected with an internal thread of a handle 11 through an external thread, one end of the measuring frame 3 close to the handle 11 is provided with a control rod 9, the external thread on the control rod 9 is connected with the internal thread on the measuring frame 3, a movable measuring frame 4 is movably connected below the measuring frame 3 through the control rod 9, the movable measuring frame 4 is provided with a movable pin 5 for providing a movable fulcrum, the movable pin 5 penetrates through the movable measuring frame and is connected with the measuring frame, the other end of the measuring frame is provided with a fixed end measuring probe 1, a movable end measuring probe 2 fixedly connected with the movable measuring frame 4 is arranged below the fixed end measuring probe 1, the length of the measuring frame 3 and the movable measuring frame 4 is at least twice of the height of the fixed end measuring probe 1 and the movable end measuring probe 2;
the reading mechanism 15 comprises a dial indicator frame 8 and a dial indicator 10 used for displaying reading, the dial indicator 10 is arranged on one side of the control rod 9, a measuring rod 13 is arranged below the dial indicator 10, and the measuring rod 13 penetrates through the measuring frame 3 and is connected with the movable measuring frame 4 at the lower taper position of the measuring rod 13.
Be provided with spring 12 and annular gasket on the external screw thread of control lever 9 and measuring frame 3 junction top, when measuring the frame in order to realize being surveyed the interior trench inner wall with the contact of expansion end measuring probe through rotating control lever control activity, spring and annular gasket can reduce the buffering that brings when moving, reduce the operating error.
The measuring frame 3 and the movable measuring frame 4 are the same in length, and the fixed end measuring probe 1 and the movable end measuring probe 2 are symmetrically arranged, so that the measuring is convenient, and the measuring device is simple and practical.
The 11 outer strata of handle are provided with the insulating rubber cover of one deck, when holding the handle and measure the object, on sweat, the grease of palm can rub the handle, the setting of insulating rubber cover can prevent sweat, the corruption of grease to this device, harm its inside electronic circuit.
The screw 7 used for fixing the measuring rod 13 is arranged on the gauge stand 8, when the device is not used, the dial indicator is convenient to disassemble, the dial indicator is enabled to contact all loads, the measuring rod is enabled to be in a free state, and the service life of the device can be prolonged.
The left side of the dial indicator 10 on the measuring frame 3 is provided with an adjusting screw 6 for finely adjusting the position of the movable measuring frame 4, when the diameter of the deep hole and the deep inner groove are measured, the control rod controls the movable end measuring probe to be in contact with the inner wall of a measured object, and the movable end measuring probe can be finely adjusted by rotating the adjusting screw, so that the measuring error is reduced.
The utility model discloses a theory of operation is: handle is held to the hand, put into the deep hole or the dark interior slot of testee with this device other end, slowly rotate the control lever and make expansion end measuring probe and stiff end measuring probe separation, until stiff end measuring probe and expansion end measuring probe contact the inner wall of testee both sides respectively, can finely tune expansion end measuring probe through slowly rotating adjusting screw, make it find the most suitable position, the tapering department and the activity of measuring stick bottom are measured the frame and are connected, the small removal of activity measurement frame can drive the measuring stick and remove, through the driven of percentage table internal gear enlargements, become the rotation of pointer on the calibrated scale, thereby read out the size of being surveyed the size.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The special measuring tool for the deep inner groove with the small diameter of the deep hole comprises a measuring mechanism (14) and a reading mechanism (15), and is characterized in that the measuring mechanism (14) comprises a measuring frame (3), one end of the measuring frame (3) is connected with an internal thread of a handle (11) through an external thread, one end of the measuring frame (3) close to the handle (11) is provided with a control rod (9), the external thread on the control rod (9) is connected with the internal thread on the measuring frame (3), the lower part of the measuring frame (3) is movably connected with a movable measuring frame (4) through the control rod (9), the movable measuring frame (4) is provided with a movable pin (5) providing a movable fulcrum for the movable measuring frame, the movable pin (5) penetrates through the movable measuring frame (4) and is connected with the measuring frame (3), the other end of the measuring frame (3) is provided with a fixed end measuring probe (1), a movable end measuring probe (2) fixedly connected with a movable measuring frame (4) is arranged below the fixed end measuring probe (1), and the length of the measuring frame (3) and the length of the movable measuring frame (4) are at least twice of the height of the fixed end measuring probe (1) and the height of the movable end measuring probe (2);
reading mechanism (15) include table frame (8) and be used for showing percentage table (10) of reading, percentage table (10) set up in control lever (9) one side, percentage table (10) below is equipped with measuring stick (13), measuring stick (13) run through measuring frame (3) and its below taper department is connected with activity measuring frame (4).
2. The special measuring tool for the deep hole, the small diameter and the deep inner groove according to claim 1, wherein a spring (12) and an annular gasket are arranged on an external thread above the connection part of the control rod (9) and the measuring frame (3).
3. The special measuring tool for the deep hole, the small diameter and the deep inner groove according to claim 1, wherein the measuring frame (3) and the movable measuring frame (4) have the same length, and the fixed end measuring probe (1) and the movable end measuring probe (2) are symmetrically arranged.
4. The special measuring tool for the deep hole, the small diameter and the deep inner groove according to claim 1, wherein an insulating rubber sleeve is arranged on the outer layer of the handle (11).
5. The special measuring tool for the deep holes, the small diameters and the deep inner grooves according to claim 1, wherein a screw (7) for fixing a measuring rod (13) is arranged on the gauge stand (8).
6. The special measuring tool for the deep hole, the small diameter and the deep inner groove according to claim 1, wherein an adjusting screw (6) for fine adjustment of the position of the movable measuring frame (4) is arranged on the left side of the dial indicator (10) on the measuring frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020401907.XU CN211346654U (en) | 2020-03-25 | 2020-03-25 | Special measuring tool for deep hole small-diameter deep inner groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020401907.XU CN211346654U (en) | 2020-03-25 | 2020-03-25 | Special measuring tool for deep hole small-diameter deep inner groove |
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| Publication Number | Publication Date |
|---|---|
| CN211346654U true CN211346654U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020401907.XU Expired - Fee Related CN211346654U (en) | 2020-03-25 | 2020-03-25 | Special measuring tool for deep hole small-diameter deep inner groove |
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| CN (1) | CN211346654U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432584A (en) * | 2020-09-28 | 2021-03-02 | 芜湖慧宇商贸有限公司 | Device for measuring concentricity of stepped shaft and stepped hole |
| CN112880526A (en) * | 2021-04-28 | 2021-06-01 | 四川仨川航空机械设备有限公司 | Deep blind hole annular groove measuring device and using method thereof |
| CN114111522A (en) * | 2021-10-20 | 2022-03-01 | 通用技术集团大连机床有限责任公司 | A measuring tool for high-speed precision spindle mandrel deep hole |
-
2020
- 2020-03-25 CN CN202020401907.XU patent/CN211346654U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432584A (en) * | 2020-09-28 | 2021-03-02 | 芜湖慧宇商贸有限公司 | Device for measuring concentricity of stepped shaft and stepped hole |
| CN112432584B (en) * | 2020-09-28 | 2022-04-22 | 青岛前哨精密仪器有限公司 | Device for measuring concentricity of stepped shaft and stepped hole |
| CN112880526A (en) * | 2021-04-28 | 2021-06-01 | 四川仨川航空机械设备有限公司 | Deep blind hole annular groove measuring device and using method thereof |
| CN114111522A (en) * | 2021-10-20 | 2022-03-01 | 通用技术集团大连机床有限责任公司 | A measuring tool for high-speed precision spindle mandrel deep hole |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
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| CF01 | Termination of patent right due to non-payment of annual fee |