CN217210617U - Steel ball rolling type inner diameter dial indicator measuring rod - Google Patents
Steel ball rolling type inner diameter dial indicator measuring rod Download PDFInfo
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- CN217210617U CN217210617U CN202122118166.1U CN202122118166U CN217210617U CN 217210617 U CN217210617 U CN 217210617U CN 202122118166 U CN202122118166 U CN 202122118166U CN 217210617 U CN217210617 U CN 217210617U
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Abstract
The utility model belongs to the technical field of the percentage table, specifically be a but steel ball roll formula internal diameter percentage table measuring stick, including the table body, the lower extreme fixed connection axle sleeve of the table body, the measuring stick is installed to the lower extreme of axle sleeve, the measuring head is installed to the lower extreme of measuring stick, be equipped with installation mechanism between measuring head and the measuring stick, the lower extreme roll connection of measuring head has the steel ball, first fixed block fixedly connected with connecting rod, the cover is equipped with the spring on the connecting rod, the inner wall fixed connection of spring and spout, the other end fixedly connected with second fixed block of connecting rod, the lateral wall of installation piece is equipped with the mounting groove, the inner wall sliding connection of second fixed block and mounting groove. The utility model is designed to roll through the steel ball, thereby avoiding the damage to the inner wall of the object during measurement, and increasing the wear resistance through arranging a plurality of wear-resistant bulges; secondly, conveniently change the measuring head.
Description
Technical Field
The utility model relates to a percentage table technical field specifically is a but steel ball roll formula internal diameter percentage table measuring stick.
Background
In many manufacturing fields, the precision of a product needs to be strictly controlled, and therefore a targeted checking fixture needs to be used for precision detection. When the inner diameter size of a product is detected, a measuring rod of an inner diameter dial indicator is needed. The inner diameter dial indicator measuring rod is used for measuring or checking the diameters and shape accuracy of inner holes and deep holes of parts.
At present, steel balls of measuring contact points of a measuring rod of a traditional inside dial indicator are fixed on the measuring rod through brazing, when an inner hole of a product with low hardness is measured, the inner hole of the product is easily scratched slightly, the requirement on tolerance precision of the inner hole of the product is extremely high during assembly, and the accuracy of measurement is influenced by slight scratching to cause unqualified products or even scrapped products; and the traditional measuring head is clamped when passing through the bolt, so that the replacement is inconvenient.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a steel ball rolling type inner diameter dial indicator measuring rod, which can roll through the steel ball, avoid the damage to the inner wall of an object during measurement, and increase the wear resistance through arranging a plurality of wear-resistant bulges; secondly, conveniently change the measuring head.
(II) technical scheme
For solving the technical problem, the utility model provides a but steel ball roll formula internal diameter percentage table measuring stick, including the table body, the lower extreme fixed connection axle sleeve of the table body, the measuring stick is installed to the lower extreme of axle sleeve, the measuring head is installed to the lower extreme of measuring stick, be equipped with installation mechanism between measuring head and the measuring stick, the lower extreme roll connection of measuring head has the steel ball.
Preferably, the mounting mechanism comprises a hollow groove formed in the lower end of the measuring rod, the upper end of the measuring head is fixedly connected with a mounting block, and the mounting block is connected with the inner wall of the hollow groove in a sliding mode.
Preferably, the lateral wall of measuring stick is equipped with the spout, the inner wall sliding connection of spout has first fixed block, first fixed block fixedly connected with connecting rod, the cover is equipped with the spring on the connecting rod, the inner wall fixed connection of spring and spout, the other end fixedly connected with second fixed block of connecting rod.
Preferably, the lateral wall of installation piece is equipped with the mounting groove, the second fixed block is connected with the inner wall sliding of mounting groove.
Preferably, the outer wall fixedly connected with dog of measuring stick, the dog rotates and is connected with the dwang, the other end fixedly connected with apron of dwang, the cover is equipped with the torsional spring on the dwang, be equipped with on the apron and cover the groove, cover groove and first fixed block phase-match, apron lateral wall fixedly connected with handle.
Preferably, a plurality of wear-resisting bulges are arranged on the steel ball.
The above technical scheme of the utility model has following profitable technological effect:
1. when the steel ball of the utility model is abutted against the object to be measured, the steel ball can roll, thereby avoiding the damage to the inner wall of the object during measurement; meanwhile, the wear resistance between the steel balls and the object can be increased through the wear-resistant protrusions.
2. When different measuring heads need to be replaced, the second fixed block and the connecting rod move leftwards together under the elasticity of the spring when the cover plate rotates upwards, and the mounting block can be taken out to replace the measuring heads; when another measuring head is replaced, the mounting block is moved towards the direction of the empty groove and is abutted to the inner wall, the cover plate pushes the first fixing block and the second fixing block to move towards the mounting groove under the elastic force of the torsion spring until the second fixing block is clamped into the mounting groove, the mounting of the measuring head is completed, and the mounting and dismounting of the measuring head are convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure A in FIG. 1;
FIG. 3 is a schematic view of the structure of the wear-resistant protrusions in the steel balls of the present invention;
in the figure: the device comprises a meter body 1, a shaft sleeve 2, a measuring rod 3, a measuring head 4, a steel ball 5, a wear-resistant bulge 6, a second fixing block 7, a spring 8, a connecting rod 9, a first fixing block 10, a handle 11, a cover plate 12, a torsion spring 13, a stop block 14 and an installation block 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in combination with the following embodiments.
As shown in fig. 1, fig. 2, fig. 3, the utility model provides a but steel ball roll formula internal diameter percentage table measuring stick, including the table body 1, the lower extreme fixed connection axle sleeve 2 of the table body 1, measuring stick 3 is installed to the lower extreme of axle sleeve 2, and measuring stick 4 is installed to the lower extreme of measuring stick 3, and the installation piece 15 size on the measuring stick 4 of different grade type is unanimous.
Be equipped with installation mechanism between measuring head 4 and measuring stick 3, installation mechanism is including setting up the dead slot at measuring stick 3 lower extreme, measuring head 4's upper end fixedly connected with installation piece 15, the inner wall sliding connection of installation piece 15 and dead slot, the lateral wall of measuring stick 3 is equipped with the spout, the inner wall sliding connection of spout has first fixed block 10, first fixed block 10 fixedly connected with connecting rod 9, the cover is equipped with spring 8 on the connecting rod 9, the inner wall fixed connection of spring 8 and spout, the other end fixedly connected with second fixed block 7 of connecting rod 9, the lateral wall of installation piece 15 is equipped with the mounting groove, the inner wall sliding connection of second fixed block 7 and mounting groove, the outer wall fixedly connected with dog 14 of measuring stick 3, dog 14 rotates and is connected with the dwang, torsional spring 13's elasticity is greater than spring 8's elasticity, torsional spring 13 is spacing to the dwang, make apron 12 have the trend that directional measuring stick 3 removed all the time.
The other end fixedly connected with apron 12 of dwang, the cover is equipped with torsional spring 13 on the dwang, is equipped with on apron 12 and covers the groove, covers the groove and first fixed block 10 phase-matches, offsets with measuring stick 3 through apron 12, can play dustproof effect, and apron 12 lateral wall fixedly connected with handle 11, and the lower extreme roll connection of measuring head 4 has steel ball 5, is equipped with a plurality of wear-resisting archs 6 on the steel ball 5, and a plurality of wear-resisting archs 6 increase steel ball 5 wearability.
The utility model discloses a theory of operation and use flow: when a worker abuts against the outer wall of an object to be measured through the steel ball 5, the steel ball 5 can roll when the steel ball 5 abuts against the object to be measured, and damage to the inner wall of the object during measurement is avoided; meanwhile, the abrasion resistance of the steel ball 5 can be increased by arranging the plurality of abrasion-resistant protrusions 6.
When different measuring heads 4 need to be replaced, a user pulls the handle 11 to rotate the cover plate 12 upwards, the cover plate 12 does not limit the first fixing block 10 any more when rotating upwards, the second fixing block 7 moves leftwards together with the connecting rod 9 under the elastic force of the spring 8, the second fixing block 7 does not limit the mounting block 15 any more, and the mounting block 15 can be taken out; when another measuring head 4 is replaced, the mounting block 15 is moved towards the direction of the empty slot, the handle 11 is not pulled, and under the elastic force of the torsion spring 13, the cover plate 12 pushes the first fixing block 10 and the second fixing block 7 to move towards the mounting slot until the second fixing block 7 is clamped into the mounting slot, so that the mounting of the measuring head 4 is completed.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides a but steel ball roll formula internal diameter percentage table measuring stick, includes the table body (1), its characterized in that, lower extreme fixed connection axle sleeve (2) of the table body (1), measuring stick (3) are installed to the lower extreme of axle sleeve (2), measuring head (4) are installed to the lower extreme of measuring stick (3), be equipped with installation mechanism between measuring head (4) and measuring stick (3), the lower extreme roll connection of measuring head (4) has steel ball (5).
2. The steel ball rolling type inner diameter dial indicator measuring rod is characterized in that the mounting mechanism comprises a hollow groove formed in the lower end of the measuring rod (3), a mounting block (15) is fixedly connected to the upper end of the measuring head (4), and the mounting block (15) is connected with the inner wall of the hollow groove in a sliding mode.
3. The steel ball rolling type inner diameter dial indicator measuring rod according to claim 2, wherein a sliding groove is formed in a side wall of the measuring rod (3), a first fixing block (10) is connected to an inner wall of the sliding groove in a sliding mode, a connecting rod (9) is fixedly connected to the first fixing block (10), a spring (8) is sleeved on the connecting rod (9), the spring (8) is fixedly connected with the inner wall of the sliding groove, and a second fixing block (7) is fixedly connected to the other end of the connecting rod (9).
4. The steel ball rolling type inner diameter dial indicator measuring rod as claimed in claim 3, wherein a mounting groove is formed in the side wall of the mounting block (15), and the second fixing block (7) is in sliding connection with the inner wall of the mounting groove.
5. The steel ball rolling type inner diameter dial indicator measuring rod according to claim 4, characterized in that a stop block (14) is fixedly connected to the outer wall of the measuring rod (3), the stop block (14) is rotatably connected with a rotating rod, a cover plate (12) is fixedly connected to the other end of the rotating rod, a torsion spring (13) is sleeved on the rotating rod, a cover groove is formed in the cover plate (12), the cover groove is matched with the first fixing block (10), and a handle (11) is fixedly connected to the side wall of the cover plate (12).
6. The steel ball rolling type inner diameter dial indicator measuring rod as claimed in claim 1, wherein a plurality of wear-resistant protrusions (6) are arranged on the steel ball (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122118166.1U CN217210617U (en) | 2021-09-03 | 2021-09-03 | Steel ball rolling type inner diameter dial indicator measuring rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122118166.1U CN217210617U (en) | 2021-09-03 | 2021-09-03 | Steel ball rolling type inner diameter dial indicator measuring rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217210617U true CN217210617U (en) | 2022-08-16 |
Family
ID=82750745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122118166.1U Active CN217210617U (en) | 2021-09-03 | 2021-09-03 | Steel ball rolling type inner diameter dial indicator measuring rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217210617U (en) |
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2021
- 2021-09-03 CN CN202122118166.1U patent/CN217210617U/en active Active
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