CN211626401U - Digital display type thread depth gauge - Google Patents
Digital display type thread depth gauge Download PDFInfo
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- CN211626401U CN211626401U CN202020689806.7U CN202020689806U CN211626401U CN 211626401 U CN211626401 U CN 211626401U CN 202020689806 U CN202020689806 U CN 202020689806U CN 211626401 U CN211626401 U CN 211626401U
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- movable sleeve
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- thread depth
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Abstract
The utility model discloses a digital display screw depth gauge belongs to measuring tool technical field. The digital display type thread depth gauge comprises a gauge body, a core shaft, a through-end thread gauge head and a stop-end thread gauge head, and further comprises a movable sleeve, a spring and a bearing, wherein the movable sleeve is movably sleeved between the gauge body and the core shaft, and the spring and the bearing are sequentially sleeved between the movable sleeve and the core shaft; the digital display type thread depth gauge also comprises a locking mechanism used for locking the movable sleeve; the outer surfaces of the movable sleeve and the gauge body are respectively provided with a grating ruler and a digital display reading head for measuring and displaying the measured thread depth. The utility model provides a pair of digital display type screw thread depth gauge simple structure, it is very convenient to install and use, measures fast accurately, can directly obtain measuring result, and work efficiency is high, and measurement accuracy is high, avoids the produced error of human factor to influence product quality, can be applicable to various different degree of depth, the measurement of different grade type screw hole, and economy and social are showing.
Description
Technical Field
The utility model relates to a measuring tool technical field, in particular to digital display screw thread depth gauge.
Background
Along with the rapid development of the mechanical manufacturing industry of China to the high accuracy high efficiency direction, the accuracy and the improvement of efficiency of screw hole depth detection in machining and other fields, it is very inconvenient when field management according to traditional method with touch or step to measure the screw depth (the different degree of depth needs different gauges to detect, and the detection mode of scale form), the operator is easy puzzled, and can not obtain specific depth data, can only roughly judge whether the screw depth is qualified, produce the error easily in the vision, lead to judging inaccurate, the precision is poor, can't guarantee product quality, and influence the result of use, can't satisfy enterprise development.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a digital display screw thread depth gauge to when solving and using traditional touch or the method of step to measure the screw thread depth, field management is very inconvenient, and the operator produces the puzzlement easily, can not obtain concrete degree of depth data moreover, can only roughly judge whether qualified the screw thread depth, produces the error in the vision easily, leads to judging inaccurate, the precision is poor, can't guarantee product quality's problem.
In order to solve the technical problem, the utility model provides a digital display type thread depth gauge, including the gauge body, dabber, lead to end screw thread gauge head and end screw thread gauge head, digital display type thread depth gauge still includes movable sleeve, spring and bearing, the movable sleeve activity cover is established between gauge body and dabber, the spring with the bearing is established in proper order between movable sleeve and the dabber, and the bearing closely overlaps and is established in the movable sleeve;
the digital display type thread depth gauge also comprises a locking mechanism which is used for locking the movable sleeve to prevent the movable sleeve from moving along the axial direction of the gauge body; the outer surfaces of the movable sleeve and the gauge body are respectively provided with a grating ruler and a digital display reading head for measuring and displaying the measured thread depth.
Optionally, the locking mechanism includes:
a lock holder fixed to an outer wall of the gauge body;
the positioning sleeve is arranged in the gauge body and is positioned between the gauge body and the movable sleeve;
the locking screw is connected with the lock seat through threads;
the outer surface of the movable sleeve is provided with a sliding groove along the axial direction, the size of the sliding groove is matched with that of the positioning sleeve, and the positioning sleeve can slide in the sliding groove of the movable sleeve;
the top end of the locking screw penetrates through the lock seat, the gauge body and the positioning sleeve in sequence and extends into the sliding groove of the movable sleeve.
Optionally, the top of the locking screw is further fixedly connected with a pressing block.
Optionally, a bearing retainer ring is further tightly sleeved inside the movable sleeve, and the bearing retainer ring is located at one end, far away from the spring, of the bearing and used for blocking the bearing and preventing the bearing from sliding out.
Optionally, one end of the movable sleeve, which is close to the through-end thread measuring head, is detachably connected with a reference check ring through a thread.
Optionally, a rotating nut is fixedly connected to one end of the gauge body, which is close to the end-stop thread measuring head, the inner diameter of the rotating nut is smaller than that of the gauge body, and one end of the core shaft penetrates through the rotating nut and is fixedly connected with the end-stop thread measuring head.
Optionally, a shaft shoulder is arranged at a position of the mandrel close to the rotating nut, and the diameter of the shaft shoulder is larger than the inner diameters of the rotating nut, the movable sleeve and the spring.
Optionally, the outer surface of the rotating nut is provided with knurls, so that the rotating nut is convenient to rotate.
Optionally, the through-end thread measuring head is connected to one end of the mandrel through a taper thread, and the end-stop thread measuring head is sleeved in the mandrel and is locked and fixed through a screw.
The utility model provides a digital display type thread depth gauge, including the gauge body, dabber, lead to end screw thread gauge head and only end screw thread gauge head, digital display type thread depth gauge still includes movable sleeve, spring and bearing, the movable sleeve is established between the gauge body and the dabber, the spring with the bearing is established in proper order between the movable sleeve and the dabber, and the bearing closely overlaps and is established in the movable sleeve; the digital display type thread depth gauge also comprises a locking mechanism which is used for locking the movable sleeve to prevent the movable sleeve from moving along the axial direction of the gauge body; the outer surfaces of the movable sleeve and the gauge body are respectively provided with a grating ruler and a digital display reading head for measuring and displaying the measured thread depth. The digital display type thread depth gauge is simple in structure, very convenient to install and use, rapid and accurate in measurement, capable of directly obtaining a measurement result, high in working efficiency and high in measurement precision, effectively solves the problem that the measurement precision of an original thread is poor, avoids the error generated by human factors from influencing the product quality, can be suitable for various different depths, and is remarkable in economic and social benefits due to the fact that different types of threaded holes are measured.
Drawings
Fig. 1 is a cross-sectional view of a digital display thread depth gauge provided by the present invention;
fig. 2 is a schematic diagram of an overall structure of a digital display type thread depth gauge provided by the present invention;
fig. 3 is a schematic structural diagram of a cross section of the digital display type thread depth gauge provided by the present invention.
Detailed Description
The following describes a digital display thread depth gauge according to the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example one
The utility model provides a digital display screw thread depth gauge, its structure is as shown in figure 1 and figure 2. The digital display type thread depth gauge comprises a gauge body 1, a core shaft 2, a through-end thread measuring head 3 and a stop-end thread measuring head 4, and further comprises a movable sleeve 5, a spring 6 and a bearing 7, wherein the movable sleeve 5 is movably sleeved between the gauge body 1 and the core shaft 2, the spring 6 and the bearing 7 are sequentially sleeved between the movable sleeve 5 and the core shaft 2, and the bearing 7 is tightly sleeved in the movable sleeve 5; the bearing 7 can support the movable sleeve 5 to move axially, reduce the friction coefficient in the movement process of the movable sleeve and ensure the rotation precision of the movable sleeve, and preferably, the bearing 7 is a precision miniature guide pillar ball bearing. The appearance structure of the gauge body 1 adopts a combination form of a cylinder and a square body, round and square corners adopt streamline transition, and the whole gauge body is streamline, so that the gauge body is convenient for a user to operate; the shell of the gauge body 1 is made of aluminum alloy, is light and soft, is internally made of steel quenching materials, and is high in strength and long in service life. The mandrel 2 is made of steel piece quenching materials, is high in strength and long in service life, and the through-end thread measuring head 3 and the end-stop thread measuring head 4 are made of steel piece quenching materials, are high in strength and are long in service life.
The digital display type thread depth gauge also comprises a locking mechanism 8 for locking the movable sleeve 5 from moving along the axial direction of the gauge body 1; the outer surfaces of the movable sleeve 5 and the gauge body 1 are respectively provided with a grating ruler 9 and a digital display reading head 10 for measuring and displaying the measured thread depth; preferably, the digital readout head 10 is an LCD liquid crystal digital readout head, and the resolution can reach 0.01 mm.
Referring to fig. 3, the locking mechanism 8 includes a lock holder 80, a positioning sleeve 81 and a locking screw 82, and the lock holder 80 is fixed on the outer wall of the gauge body 1; the positioning sleeve 81 is provided in the gauge body 1 between the gauge body 1 and the movable sleeve 5; the locking screw 82 is in threaded connection with the lock seat 80; a sliding groove is formed in the outer surface of the movable sleeve 5 along the axial direction, the size of the sliding groove is matched with that of the positioning sleeve 81, and the positioning sleeve 81 can slide in the sliding groove of the movable sleeve 5; the top end of the locking screw 82 sequentially penetrates through the lock seat 80, the gauge body 1 and the positioning sleeve 81 and extends into the sliding groove of the movable sleeve 5. Preferably, the lock seat 80 and the positioning sleeve 81 are made of steel quenching materials, so that the movable sleeve 5 is convenient to lock and position.
The top of the locking screw 82 is also fixedly connected with a pressing block 83, so that the locking screw 82 is prevented from damaging the sliding groove of the movable sleeve 5, the friction force between the locking screw and the sliding groove can be increased, and the locking effect is enhanced. Preferably, the briquette 83 is made of nylon.
The inside of movable sleeve 5 still closely overlaps and is equipped with retaining ring 11, retaining ring 11 is located bearing 7 keeps away from the one end of spring 6 is used for blockking bearing 7 prevents bearing 7 roll-off.
One end of the movable sleeve 5, which is close to the through-end thread measuring head 3, is detachably connected with a reference check ring 12 through threads. Through changing benchmark retaining ring 12 with lead to end screw thread gauge head 3 can detect the screw hole degree of depth and smooth hole and the step face degree of depth of different grade type, and application range is wide. Preferably, the reference retainer ring 12 is coaxially installed at one end of the movable sleeve 5 by a fine thread, and the reference retainer ring 12 is made of steel quenching materials, so that the strength is high and the service life is long.
One end of the gauge body 1, which is close to the end-stop thread measuring head 4, is fixedly connected with a rotating nut 13, the inner diameter of the rotating nut 13 is smaller than that of the gauge body 1, and one end of the core shaft 2 penetrates through the rotating nut 13 and is fixedly connected with the end-stop thread measuring head 4. Preferably, the swivel nut 13 is made of an aluminum alloy material, and is lightweight and flexible. The outer surface of the rotating nut 13 is provided with knurls, which is beneficial to rotating.
A shaft shoulder 20 is arranged on the position, close to the rotating nut 13, of the mandrel 2, and the diameter of the shaft shoulder 20 is larger than the inner diameters of the rotating nut 13, the movable sleeve 5 and the spring 6.
The through-end thread measuring head 3 is connected to one end of the mandrel 2 through taper threads, and the end-stop thread measuring head 4 is sleeved in the mandrel 2 and locked and fixed through a screw 14. Preferably, the through-end thread measuring head 3 is installed at one end of the mandrel 2 through a taper thread with the standard ratio of 1:50, so that the centering is accurate, the self-locking function is realized, the through-end thread measuring head 3 is prevented from falling off due to rotation, the through-end thread measuring head 3 is convenient to replace and disassemble, and thread heads with different specifications can be replaced for detection.
The working principle is as follows:
when the gauge is used, the movable sleeve 5 is firstly pressed into the gauge body 1, one end of the movable sleeve 5 is abutted against the shaft shoulder 20 of the mandrel 2, the locking screw 82 is screwed down, the pressing block 83 is pressed tightly against the sliding groove of the movable sleeve 5, the movable sleeve 5 is axially positioned, then the gauge body 1 is held by the left hand, the rotating nut 13 is rotated by the right hand, the through-end thread measuring head 3 is screwed into the bottom of a measured threaded hole, the locking screw 82 is loosened, the movable sleeve 5 is slowly released, the reference check ring 12 is abutted against the surface of a workpiece, the locking screw 82 is screwed down, after the locking screw 82 is screwed down, the gauge body 1 is reversely rotated, the through-end thread measuring head 3 is separated from the measured threaded hole, the reading of the digital reading head 10 is read, and the depth value of the measured threaded hole is obtained.
The utility model discloses simple structure, it is very convenient to install and use, measures fast accurately, can directly obtain measuring result, and work efficiency is high, and measurement accuracy is high, has effectively overcome the poor problem of former screw thread measurement accuracy, avoids the produced error of human factor to influence product quality, can be applicable to various different degree of depth, the measurement of different grade type screw hole, and economy and social are showing.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (9)
1. The digital display type thread depth gauge comprises a gauge body (1), a mandrel (2), a through-end thread measuring head (3) and a dead-end thread measuring head (4), and is characterized by further comprising a movable sleeve (5), a spring (6) and a bearing (7), wherein the movable sleeve (5) is movably sleeved between the gauge body (1) and the mandrel (2), the spring (6) and the bearing (7) are sequentially sleeved between the movable sleeve (5) and the mandrel (2), and the bearing (7) is tightly sleeved in the movable sleeve (5);
the digital display type thread depth gauge also comprises a locking mechanism (8) for locking the movable sleeve (5) from moving along the axial direction of the gauge body (1); the outer surfaces of the movable sleeve (5) and the gauge body (1) are respectively provided with a grating ruler (9) and a digital display reading head (10) for measuring and displaying the measured thread depth.
2. A digital display thread depth gauge according to claim 1, characterized in that said locking means (8) comprise:
a lock holder (80) fixed to the outer wall of the gauge body (1);
a positioning sleeve (81) which is arranged in the gauge body (1) and is positioned between the gauge body (1) and the movable sleeve (5);
the locking screw (82) is connected with the lock seat (80) through threads;
the outer surface of the movable sleeve (5) is provided with a sliding groove along the axial direction, the size of the sliding groove is matched with that of the positioning sleeve (81), and the positioning sleeve (81) can slide in the sliding groove of the movable sleeve (5);
the top end of the locking screw (82) sequentially penetrates through the lock seat (80), the gauge body (1) and the positioning sleeve (81) and extends into the sliding groove of the movable sleeve (5).
3. A digital display thread depth gauge according to claim 2, wherein a pressing block (83) is fixedly connected to the top of the locking screw (82).
4. The digital display thread depth gauge according to claim 1, wherein the movable sleeve (5) is further closely sleeved with a bearing retainer ring (11), and the bearing retainer ring (11) is located at one end of the bearing (7) far away from the spring (6) and used for blocking the bearing (7) and preventing the bearing (7) from slipping out.
5. A digital display thread depth gauge according to claim 1, characterized in that the end of the movable sleeve (5) close to the through-end threaded probe (3) is removably connected by means of a thread with a reference collar (12).
6. A digital display thread depth gauge according to claim 1, characterized in that a rotary nut (13) is fixedly connected to one end of the gauge body (1) close to the end-stop thread gauge head (4), the inner diameter of the rotary nut (13) is smaller than the inner diameter of the gauge body (1), and one end of the mandrel (2) passes through the rotary nut (13) and is fixedly connected to the end-stop thread gauge head (4).
7. A digital display thread depth gauge according to claim 6, characterized in that the spindle (2) is provided with a shoulder (20) near the swivel nut (13), the diameter of the shoulder (20) being larger than the inner diameter of the swivel nut (13), the movable sleeve (5) and the spring (6).
8. A digital display thread depth gauge according to claim 6, characterized in that the outer surface of the swivel nut (13) is knurled to facilitate screwing.
9. A digital display thread depth gauge according to claim 1, characterized in that the through-end thread gauge head (3) is connected to one end of the spindle (2) by means of a taper thread, and the end-stop thread gauge head (4) is sleeved in the spindle (2) and is locked and fixed by means of a screw (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689806.7U CN211626401U (en) | 2020-04-29 | 2020-04-29 | Digital display type thread depth gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689806.7U CN211626401U (en) | 2020-04-29 | 2020-04-29 | Digital display type thread depth gauge |
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| Publication Number | Publication Date |
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| CN211626401U true CN211626401U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020689806.7U Active CN211626401U (en) | 2020-04-29 | 2020-04-29 | Digital display type thread depth gauge |
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| CN (1) | CN211626401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902785A (en) * | 2021-03-23 | 2021-06-04 | 无锡悦创智能科技有限公司 | Digital display go-no-go gauge |
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2020
- 2020-04-29 CN CN202020689806.7U patent/CN211626401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902785A (en) * | 2021-03-23 | 2021-06-04 | 无锡悦创智能科技有限公司 | Digital display go-no-go gauge |
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