CN210231571U - Telescopic internal stay - Google Patents
Telescopic internal stay Download PDFInfo
- Publication number
- CN210231571U CN210231571U CN201920924588.8U CN201920924588U CN210231571U CN 210231571 U CN210231571 U CN 210231571U CN 201920924588 U CN201920924588 U CN 201920924588U CN 210231571 U CN210231571 U CN 210231571U
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- Prior art keywords
- telescopic
- barrel
- telescopic block
- section
- holes
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- Expired - Fee Related
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- 230000013011 mating Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The telescopic inner support comprises a cylinder body and a loose core, and the loose core is positioned in the cylinder body; the barrel is provided with a plurality of groups of through holes which are arranged around the barrel, the barrel is also provided with a telescopic block matched with the through holes, and the telescopic block partially extends out of the barrel; the core pulling comprises a threaded section and a matching section, the threaded section is connected with the barrel, and the matching section is located in the barrel; the bottom of the telescopic block is obliquely arranged, and an inclined body matched with the bottom of the telescopic block is arranged on the matching section; compared with the prior art, through the setting of screw thread section and cooperation section for the loose core rotates the in-process, jack-up expansion block gradually, moves to the limited position until expansion block, and the rotation of loosing core this moment drives the synchronous rotation of barrel, thereby realizes rotating the clamping of in-process to the article.
Description
Technical Field
The utility model belongs to the technical field of frock clamp, especially, relate to a telescopic internal stay.
Background
The inner support chuck is inserted into the part hole and can be expanded, so that the part is tensioned, and the part is fixed. The existing common internal support chuck generally comprises an outer sleeve and a mandrel, wherein the outer sleeve is provided with a deformation groove and a tapered hole, and the tapered surface on the inner core supports the tapered hole to expand the outer sleeve so as to tension a workpiece sleeved on the outer sleeve.
In the process of clamping the glass cup, the glass cup is in a rotating state in the processing process, so that the inner support chuck matched with the glass cup is also in a rotating state, the inner support is difficult to clamp the glass cup in the rotating process in the using process, and the clamping and processing precision of the glass cup are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the defect among the above-mentioned prior art, provide a simple structure, rotate in step, support stable telescopic internal stay.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the telescopic inner support comprises a cylinder body and a loose core, and the loose core is positioned in the cylinder body; the barrel is provided with a plurality of groups of through holes which are arranged around the barrel, the barrel is also provided with a telescopic block matched with the through holes, and the telescopic block partially extends out of the barrel; the core pulling comprises a threaded section and a matching section, the threaded section is connected with the barrel, and the matching section is located in the barrel; the bottom of the telescopic block is obliquely arranged, and the matching section is provided with an inclined body matched with the bottom of the telescopic block.
As the utility model discloses a preferred scheme, the multiunit the through-hole sets up along the length direction of barrel, and the through-hole of the same group encircles and sets up in the same radial position department of barrel.
As a preferred scheme of the utility model, the screw thread section is located same straight line with the cooperation section, and is equipped with the screw hole that is connected with the screw thread section on the barrel.
As a preferred scheme of the utility model, the tilter encircles the setting on the cooperation section, and the position looks adaptation of the position of tilter and multiunit through-hole.
As a preferred scheme of the utility model, flexible piece top level sets up, and flexible piece reduces gradually towards screw thread section direction thickness.
As an optimized scheme of the utility model, the distance of flexible piece bottom to barrel center department is greater than the internal diameter size of barrel all the time.
As a preferred scheme of the utility model, towards the screw thread section the tilter tilt up, the inclination of tilter is the same with the inclination of flexible piece bottom.
As a preferred scheme of the utility model, flexible piece both sides are formed with the border, and the border is located flexible piece bottom, and border and barrel inner wall offset.
As an optimized scheme of the utility model, border and flexible piece integrated into one piece.
As an optimized scheme of the utility model, screw thread section and cooperation section integrated into one piece.
The beneficial effects of the utility model are that, compare with prior art: through the setting of screw thread section and cooperation section for the loose core rotates the in-process, jack-up expansion block gradually, moves to the limit position until expansion block, and the rotation of loosing core this moment drives the synchronous rotation of barrel, thereby realizes rotating the clamping of in-process to the article.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of a core pulling device;
FIG. 3 is a schematic structural view of the cartridge;
FIG. 4 is a schematic structural view of a telescoping block;
reference numbers in the figures: the core pulling device comprises a cylinder body 1, a through hole 1-1, a threaded hole 1-2, a core pulling 2, a matching section 2-1, a threaded section 2-2, an inclined body 2-3, a telescopic block 3 and an edge 3-1.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the telescopic internal stay comprises a cylinder body 1 and a loose core 2, the loose core 2 is located in the cylinder body 1, the cylinder body 1 is of a hollow cylindrical structure, the loose core 2 is located in the cylinder body 1, a plurality of groups of through holes 1-1 are arranged on the cylinder body 1, the through holes 1-1 are arranged around the cylinder body 1, the number and the positions of the through holes 1-1 are set according to actual needs, a telescopic block 3 matched with the through holes 1-1 is further arranged on the cylinder body 1, the through holes 1-1 are used for placing the telescopic block 3, and the telescopic block 3 extends out of the cylinder body 1 through the through holes 1-1.
The telescopic block 3 partially extends out of the cylinder body 1, the telescopic block 3 is partially positioned in the cylinder body 1, and under the action of the loose core 2, the telescopic block 3 is pushed out of the cylinder body 1 from the through hole 1-1 under the thrust of the loose core 2.
The core pulling 2 comprises a thread section 2-2 and a matching section 2-1, the thread section 2-2 is connected with a barrel 1, the matching section 2-1 is located in the barrel 1, an external thread is formed on the surface of the thread section 2-2, the thread section 2-2 and the matching section 2-1 are located on the same straight line, a thread hole 1-2 connected with the thread section 2-2 is formed in the barrel 1, an internal thread hole is formed in the thread hole 1-2, the thread section 2-2 is in threaded connection with the thread hole 1-2, and the core pulling 2 is driven to move in the axial direction of the barrel 1 through rotation of the core pulling 2.
The multiple groups of through holes 1-1 are arranged along the length direction of the barrel 1, the through holes 1-1 in the same group are arranged at the same radial position of the barrel 1 in a surrounding manner, the through holes 1-1 in the same group are arranged at the same radial position of the barrel 1, and the positions and the number of the through holes 1-1 are consistent with those of the telescopic blocks 3.
The bottom of the telescopic block 3 is obliquely arranged, the matching section 2-1 is provided with an inclined body 2-3 matched with the bottom of the telescopic block 3, the top of the telescopic block 3 is horizontally arranged, the thickness of the telescopic block 3 is gradually reduced towards the direction of the thread section 2-2, the inclined body 2-3 is arranged on the matching section 2-1 in a surrounding mode, the position of the inclined body 2-3 is matched with the position of the plurality of groups of through holes 1-1, the inclined body 2-3 is arranged in a surrounding mode to form a circular truncated cone shape, the top of the inclined body 2-3 is used for abutting against the bottom of the telescopic block 3, when the inclined body 2-3 moves along the axial direction of the barrel body 1 under the action of the core pulling 2, the inclined body 2-3 jacks or breaks away from the telescopic block 3, and the telescopic block 3 rises or descends from the.
The distance from the bottom of the telescopic block 3 to the center of the barrel body 1 is always larger than the inner diameter of the barrel body 1, so that the telescopic block 3 is always positioned in the through hole 1-1, the telescopic block 3 is prevented from being separated from the through hole, the telescopic block 3 is convenient to jack up, and the telescopic block 3 at the same radial position of the barrel body 1 moves synchronously.
The inclined body 2-3 towards the thread section 2-2 inclines upwards, and the inclined angle of the inclined body 2-3 is the same as the inclined angle of the bottom of the telescopic block 3, so that the inclined body 2-3 and the telescopic block 3 are more stable in matching, and a better contact area is formed between the inclined body 2-3 and the telescopic block 3.
The edges 3-1 are formed on the two sides of the telescopic block 3, the edges 3-1 are located at the bottom of the telescopic block 3, the edges 3-1 abut against the inner wall of the barrel 1, the telescopic block 3 cannot be separated from the barrel 1 from the through hole 1-1 due to the arrangement of the edges 3-1, and when the edges 3-1 abut against the inner wall of the barrel 1, the maximum distance which can be moved by the telescopic block 3 is the maximum distance, so that the position of the telescopic block 3 is ensured, and the telescopic block 3 has better stability.
The edge 3-1 and the telescopic block 3 are integrally formed, so that better strength is achieved between the edge 3-1 and the telescopic block 3, and the thread section 2-2 and the matching section 2-1 are integrally formed, so that better strength is achieved between the thread section 2-2 and the matching section 2-1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the method comprises the following steps of 1, 1-1 of a through hole, 1-2 of a threaded hole, 2 of a loose core, 2-1 of a matching section, 2-2 of a threaded section, 2-3 of an inclined body, 3 of a telescopic block, 3-1 of an edge and the like, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The telescopic inner support comprises a cylinder body (1) and a loose core (2), wherein the loose core (2) is positioned in the cylinder body (1); the novel barrel is characterized in that a plurality of groups of through holes (1-1) are formed in the barrel body (1), the through holes (1-1) are arranged around the barrel body (1), a telescopic block (3) matched with the through holes (1-1) is further arranged on the barrel body (1), and part of the telescopic block (3) extends out of the barrel body (1); the core pulling device is characterized in that the core pulling (2) comprises a threaded section (2-2) and a matching section (2-1), the threaded section (2-2) is connected with the cylinder body (1), and the matching section (2-1) is located in the cylinder body (1); the bottom of the telescopic block (3) is obliquely arranged, and the matching section (2-1) is provided with an oblique body (2-3) matched with the bottom of the telescopic block (3).
2. The telescopic internal stay according to claim 1, characterized in that a plurality of groups of through holes (1-1) are arranged along the length direction of the cylinder (1), and the same group of through holes (1-1) are arranged around the cylinder (1) at the same radial position.
3. The telescopic internal stay according to claim 1, characterized in that the threaded section (2-2) and the matching section (2-1) are positioned on the same straight line, and the barrel (1) is provided with a threaded hole (1-2) connected with the threaded section (2-2).
4. The telescopic internal stay according to claim 1, characterized in that the inclined bodies (2-3) are arranged around the fitting section (2-1), and the positions of the inclined bodies (2-3) are matched with the positions of the groups of through holes (1-1).
5. The telescopic internal stay according to claim 1, characterized in that the top of the telescopic block (3) is arranged horizontally, and the thickness of the telescopic block (3) is gradually reduced towards the direction of the thread section (2-2).
6. The telescopic internal stay according to claim 5, characterized in that the distance from the bottom of the telescopic block (3) to the center of the cylinder (1) is always larger than the inner diameter of the cylinder (1).
7. The telescopic internal stay according to claim 1, characterized in that the inclined body (2-3) towards the threaded section (2-2) is inclined upwards, the angle of inclination of the inclined body (2-3) being the same as the angle of inclination of the bottom of the telescopic block (3).
8. The telescopic internal stay according to claim 6, characterized in that edges (3-1) are formed at both sides of the telescopic block (3), the edges (3-1) are located at the bottom of the telescopic block (3), and the edges (3-1) are abutted against the inner wall of the cylinder (1).
9. Telescopic internal stay according to claim 8, characterised in that the rim (3-1) is integrally formed with the telescopic block (3).
10. The telescopic internal stay of claim 1, characterized in that the threaded section (2-2) is integrally formed with the mating section (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924588.8U CN210231571U (en) | 2019-06-19 | 2019-06-19 | Telescopic internal stay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924588.8U CN210231571U (en) | 2019-06-19 | 2019-06-19 | Telescopic internal stay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210231571U true CN210231571U (en) | 2020-04-03 |
Family
ID=69986549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924588.8U Expired - Fee Related CN210231571U (en) | 2019-06-19 | 2019-06-19 | Telescopic internal stay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210231571U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702407A (en) * | 2020-06-24 | 2020-09-25 | 西北机电工程研究所 | Thin-wall cylinder part assembly welding supporting device |
| CN111992750A (en) * | 2020-08-26 | 2020-11-27 | 常州机电职业技术学院 | Wedge type external expansion lathe fixture for outer circle of aluminum piston |
| CN112611302A (en) * | 2020-11-27 | 2021-04-06 | 松下压缩机(大连)有限公司 | Measuring device for detecting perpendicularity of crankshaft and upper support of compressor |
| CN114559378A (en) * | 2022-03-17 | 2022-05-31 | 卓尔博（宁波）精密机电股份有限公司 | Clamp for machining motor shell |
-
2019
- 2019-06-19 CN CN201920924588.8U patent/CN210231571U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702407A (en) * | 2020-06-24 | 2020-09-25 | 西北机电工程研究所 | Thin-wall cylinder part assembly welding supporting device |
| CN111992750A (en) * | 2020-08-26 | 2020-11-27 | 常州机电职业技术学院 | Wedge type external expansion lathe fixture for outer circle of aluminum piston |
| CN111992750B (en) * | 2020-08-26 | 2021-07-30 | 常州机电职业技术学院 | Wedge type external expansion lathe fixture for outer circle of aluminum piston |
| CN112611302A (en) * | 2020-11-27 | 2021-04-06 | 松下压缩机(大连)有限公司 | Measuring device for detecting perpendicularity of crankshaft and upper support of compressor |
| CN114559378A (en) * | 2022-03-17 | 2022-05-31 | 卓尔博（宁波）精密机电股份有限公司 | Clamp for machining motor shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |