CN218002409U - Biconical floating mechanism - Google Patents
Biconical floating mechanism Download PDFInfo
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- CN218002409U CN218002409U CN202221577979.5U CN202221577979U CN218002409U CN 218002409 U CN218002409 U CN 218002409U CN 202221577979 U CN202221577979 U CN 202221577979U CN 218002409 U CN218002409 U CN 218002409U
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- floating rod
- fixing piece
- spring
- floating
- sleeve
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Abstract
The utility model relates to a double-cone floating mechanism, which comprises a fixing piece, wherein the fixing piece is axially provided with a central hole for the end part of a floating rod to extend into, and the radial dimension of the floating rod is smaller than that of the central hole; the central hole extends inwards at intervals along the axial direction to form an inner ring shape, conical surfaces are arranged at the inner holes of the single inner ring shape along the circumferential direction, and the radial size of the conical surfaces is reduced towards the direction that the floating rod moves out of the fixing piece; the outer wall surface of the floating rod extends outwards at intervals along the axial direction to form an outer ring, the outer ring corresponds to the inner ring one by one, a spherical surface is arranged on the outer ring along the circumferential direction, and the spherical surface is matched with the conical surface in a fitting manner; a spring is also arranged between the floating rod and the fixed piece; when the floating rod is relatively floated by external force, the spring is stressed and deformed, the relative movement is generated between the spherical surface and the conical surface, and even the floating rod is separated from the spherical surface and the conical surface.
Description
Technical Field
The utility model belongs to the technical field of the precision measurement device technique and specifically relates to a bipyramid shape relocation mechanism.
Background
When measuring the hole in an automated manner, especially when measuring the diameter at a poor position of the hole, the probe needs to be mounted on a mechanism that can float in order to ensure that the probe smoothly enters the hole to be measured.
In the prior art, the measuring head for measuring the inner diameter is usually installed on a cross floating mechanism, namely, a cross sliding shaft and a guide rail are adopted, and the floating within a certain range is realized by matching the action of a spring force.
The existing cross floating mechanism for the measuring head has the following defects:
1. the structure is complex, the requirements on installation and debugging are high, and the cost is high;
2. the whole external dimension is large, and the device cannot be used in narrow scenes with limited space.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a biconical floating mechanism with a reasonable structure, so that centering reset is realized under the matching of a spherical surface and a conical surface, the processing and the assembly are convenient, and the reset accuracy and consistency are improved and ensured.
The utility model discloses the technical scheme who adopts as follows:
a double-conical floating mechanism comprises a fixing piece, wherein the fixing piece is axially provided with a central hole for the end part of a floating rod to extend into, and the radial size of the floating rod is smaller than that of the central hole; the central hole extends inwards at intervals along the axial direction to form an inner ring shape, conical surfaces are arranged at the inner holes of the single inner ring shape along the circumferential direction, and the radial size of the conical surfaces is reduced towards the direction that the floating rod moves out of the fixing piece; the outer wall surface of the floating rod extends outwards at intervals along the axial direction to form an outer ring, the outer ring corresponds to the inner ring one by one, a spherical surface is arranged on the outer ring along the circumferential direction and is matched with the conical surface in a fitting manner through the spherical surface; and a spring is also arranged between the floating rod and the fixing piece.
As a further improvement of the technical scheme:
the spring is arranged at the end part of the floating rod in the central hole of the fixing piece, and the axial direction of the spring and the axial direction of the floating rod are positioned on the same straight line.
The fixing piece is of an axially hollow revolving body structure, a sliding block is axially installed in a center hole of the fixing piece, located outside the inner end of the floating rod, in a sliding mode, and the sliding block is located between the end head of the floating rod and the spring.
An adjusting screw is locked in the end part of the central hole of the fixed part far away from the floating rod, and a spring is positioned between the adjusting screw and the sliding block; the centers of the opposite end surfaces of the adjusting screw and the sliding block are provided with concave structures for accommodating the end parts of the springs.
The top surface of the floating rod is of a convex spherical structure, the lower portion of the sliding block extends outwards along the circumferential direction to form a convex ring, the convex ring forms a limit for the sliding block to slide in the central hole, the bottom surface of the sliding block is of a planar structure, and the spherical structure is attached to the planar structure.
The fixing piece comprises a middle sleeve, one end of the middle sleeve is fixedly provided with an upper sleeve, and the other end of the middle sleeve is provided with a lower sleeve; the inner wall surfaces of the middle sleeve and the lower sleeve respectively extend inwards to form an upper conical surface and a lower conical surface, so that a conical surface matched and attached with the spherical surface of the floating rod is formed; the spherical surface on the floating rod also comprises an upper spherical surface and a lower spherical surface which are in one-to-one correspondence with the conical surfaces.
The end face of the upper sleeve is connected with the end face of the middle sleeve and is fixedly locked through an external fastener, the end part of the lower sleeve extends into the middle sleeve and is connected through threads, and a gasket is arranged between the lower sleeve and the middle sleeve in a pressing mode.
Install the locating part on the well sleeve wall, the locating part sets up towards the fly rod, sets up the spacing hole that supplies locating part relative movement on the fly rod, and the length direction in spacing hole is along the length direction of fly rod.
The wall surface of the inner and outer through middle sleeve is provided with an outer through hole.
The center of the end face of the floating rod, which is far away from the fixing piece, is provided with a mounting hole in threaded connection with an external object piece, and the wall surface penetrating through the floating rod from inside to outside is provided with an inner through hole.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient use, when the floating rod is relatively floated by external force, the spring is stressed and deformed, the spherical surface and the conical surface generate relative movement and even break away, when the external force breaks away, the floating rod resets under the action of the elastic force of the spring, and the centering is ensured under the matching of two groups of spherical surfaces and conical surfaces which are arranged at intervals up and down, thereby not only being convenient for processing and assembling, but also promoting and ensuring the accuracy and consistency of the resetting of the floating rod, and having good practicability;
the utility model discloses still include following advantage:
due to the existence of the spring, on one hand, the spherical surface of the floating rod is kept attached to the conical surface of the fixing piece under the action of the elastic force of the spring, and on the other hand, the floating rod is urged to reset through the elastic force of the spring after floating;
in the utility model, the spring is a compression spring in a compression state, so that in a normal use state, the stability of the floating rod relative to the fixing piece structure is ensured through the pretightening force of the spring, and the maintenance of the normal use state is ensured;
through the sliding of the sliding block and the matching between the bottom surface of the sliding block and the spherical surface structure of the floating rod, the floating of the floating rod is reliably ensured to be in all directions, including axial direction, deflection and the like, and the deformation of the spring is only in the axial direction, so that the use performance and the service life of the spring are effectively ensured while the floating performance of the floating rod is realized and ensured.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a partial sectional view at a in fig. 2.
Fig. 4 is a partial sectional view at B in fig. 2.
Wherein: 1. an upper sleeve; 2. an adjusting screw; 3. a spring; 4. a slider; 5. a floating rod; 6. a middle sleeve; 7. a limiting member; 8. a lower sleeve; 9. a gasket; 21. a nut; 41. a convex ring; 51. an inner through hole; 52. a limiting hole; 53. a spherical structure; 54. a spherical surface is arranged; 55. a lower spherical surface; 61. an outer through hole; 62. an upper conical surface; 81. a lower conical surface.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the double-cone floating mechanism of the present embodiment includes a fixing member, the fixing member is axially provided with a central hole into which an end of the floating rod 5 extends, and a radial dimension of the floating rod 5 is smaller than a radial dimension of the central hole; the central holes extend inwards at intervals along the axial direction to form inner rings, conical surfaces are arranged at the inner holes of the single inner ring along the circumferential direction, and the radial size of each conical surface is reduced towards the direction that the floating rod 5 moves out of the fixing piece; the outer wall surface of the floating rod 5 extends outwards at intervals along the axial direction to form an outer ring shape, the outer ring shape corresponds to the inner ring shape one by one, a spherical surface is arranged on the outer ring shape along the circumferential direction and is matched with the conical surface in a fitting manner through the spherical surface; a spring 3 is also arranged between the floating rod 5 and the fixed piece.
When the floating rod 5 is relatively floated by external force, the spring 3 is stressed and deformed, the spherical surface and the conical surface move relatively and even break away from each other, when the external force breaks away from each other, the floating rod 5 resets under the action of the elastic force of the spring 3, and centering is ensured under the matching of two groups of spherical surfaces and conical surfaces which are arranged at intervals up and down.
The spring 3 is arranged at the end part of the floating rod 5 in the central hole of the fixing piece, and the axial direction of the spring 3 and the axial direction of the floating rod 5 are positioned on the same straight line.
The existence of the spring 3 makes the spherical surface of the floating rod 5 keep fit with the conical surface of the fixed part through the elastic force action on the one hand, and makes the floating rod 5 reset through the elastic force after floating.
The utility model discloses in, spring 3 is the pressure spring that is in compression state to under normal use state, guarantee the stability of floating lever 5 for mounting structure through the pretightning force of spring 3, ensure the keeping of its normal use state.
The fixing piece is of an axial hollow revolving body structure, a sliding block 4 is axially installed in a fixing piece center hole located outside the inner end of the floating rod 5 in a sliding mode, and the sliding block 4 is located between the end of the floating rod 5 and the spring 3.
An adjusting screw 2 is locked in the end part of the central hole of the fixing piece far away from the floating rod 5, the spring 3 is positioned between the adjusting screw 2 and the sliding block 4, and the pre-tightening elasticity of the spring 3 can be quickly and conveniently adjusted through the rotation of the adjusting screw 2 relative to the fixing piece; adjusting screw 2 and slider 4 terminal surface center in opposite directions all are provided with the indent structure that holds 3 tip of spring to realize the stable installation of spring 3, and guaranteed to come the application of force in spring 3 for the endwise slip of mounting through slider 4, make spring 3 only bear axial power and deformation, the helping hand is in promoting its service reliability, extension its life.
In this embodiment, a nut 21 is further screwed in the fixing member at the tail end of the adjusting screw 2, and the stability of the locking of the adjusting screw 2 relative to the fixing member is further ensured by the nut 21.
As shown in fig. 3, the top surface of the floating rod 5 is provided with a convex spherical structure 53, the lower part of the sliding block 4 extends outwards along the circumferential direction to form a convex ring 41, the convex ring 41 forms a limit for the sliding block 4 to slide in the central hole, the bottom surface of the sliding block 4 is provided with a planar structure, and the spherical structure 53 is attached to the planar structure.
Through the sliding of the sliding block 4 and the matching between the bottom surface of the sliding block 4 and the spherical structure 53 of the floating rod 5, the floating of the floating rod 5 is reliably ensured to be in all directions including axial direction, deflection and the like, and the deformation of the spring 3 is only in the axial direction, so that the floating performance of the floating rod 5 is realized and ensured, and meanwhile, the service performance and the service life of the spring 3 are effectively ensured.
In the embodiment, the sliding block 4 is matched with the upper sleeve 1 in the fixed part in a sliding manner, and provides guidance for the deformation of the spring 3 through axial relative sliding to limit the deformation direction of the spring; the size of the convex ring 41 at the bottom end of the sliding block 4 is larger than the size of the inner diameter of the upper sleeve 1, so that a limit is provided for the axial sliding of the sliding block 4 relative to the upper sleeve 1, namely, the axial range is limited for the floating of the floating rod 5 relative to the fixed piece.
The fixing piece comprises a middle sleeve 6, one end of the middle sleeve 6 is fixedly provided with an upper sleeve 1, and the other end of the middle sleeve 6 is provided with a lower sleeve 8; the inner wall surfaces of the middle sleeve 6 and the lower sleeve 8 respectively extend inwards to form an upper conical surface 62 and a lower conical surface 81 to form a conical surface which is matched and attached with the spherical surface of the floating rod 5; the spherical surface on the floating rod 5 also comprises an upper spherical surface 54 and a lower spherical surface 55 which are in one-to-one correspondence with the conical surfaces, as shown in fig. 4.
In this embodiment, the fixing member is formed by axially connecting the upper sleeve 1, the middle sleeve 6 and the lower sleeve 8, so that the fixing member is convenient to process, is convenient for matching and installing an upper conical surface and a lower conical surface and a spherical surface, and is simple and convenient.
The end surfaces of the upper sleeve 1 and the middle sleeve 6 are connected and fixedly locked through an external fastener, the end part of the lower sleeve 8 extends into the middle sleeve 6 and is connected through threads, and a gasket 9 is pressed between the lower sleeve 8 and the middle sleeve 6.
In this application, through the dress soon of lower sleeve 8 for well sleeve 6, adjust the axial relative position that both link up to guarantee that two sets of conical surfaces, sphere all just join in marriage about upper and lower group, be located suitable position, make adjustment, maintenance convenient, and guarantee the reliability of using.
The wall surface of the middle sleeve 6 is provided with a limiting piece 7, the limiting piece 7 faces the floating rod 5, the floating rod 5 is provided with a limiting hole 52 for the limiting piece 7 to move relatively, and the length direction of the limiting hole 52 is along the length direction of the floating rod 5.
In this embodiment, the limiting hole 52 and the limiting member 7 are disposed in a matching manner, and are mainly used for limiting the transitional deflection of the floating rod 5 in the circumferential direction when floating. The retaining member 7 may be a fastener locked inward from the outer wall of the middle sleeve 6, and the tail end of the fastener extends into the retaining hole 52.
The wall surface of the inner and outer through middle sleeve 6 is provided with an outer through hole 61.
The center of the end face of the floating rod 5 far away from the fixing piece is provided with a mounting hole in threaded connection with an external object piece, and the wall surface penetrating the floating rod 5 from inside to outside is provided with an inner through hole 51.
In this embodiment, the inner through hole 51 and the outer through hole 61 are provided to ensure the penetration of the inner space and the outer space during installation and use, and assist to ensure the smoothness and reliability during installation and use.
When in use, the outer end part of the floating rod 5 is provided with an external object part which can be matched and arranged through internal threads or external threads; the floating rod 5 floats relative to the fixed part along with the stress of an external object part, the axial component force applies force to the spring 3 through the sliding of the sliding block 4 to deform the spring, the lateral component force enables the floating rod 5 to swing relative to the fixed part, the spherical surface swings relative to the conical surface, and even the spherical surface is separated from the conical surface by combining the axial movement of the axial component force; after the stress is relieved, the spring 3 resets, the floating rod 5 is acted on by the slide block 4 to reset relative to the fixed piece, and the resetting of the floating rod 5 relative to the fixed piece is accurate and consistent along with the centering matching of the spherical surface relative to the conical surface.
The utility model is simple in operation, convenient to use is reliable, has effectively guaranteed the centering that resets after floating under the cooperation of two sets of spheres, the conical surface of laying at the upper and lower interval, and not only processing, equipment are convenient, and the accuracy and the uniformity that reset moreover are good, and the practicality is good.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. A biconical relocation mechanism, includes the mounting, its characterized in that: the fixing piece is provided with a central hole into which the end part of the floating rod (5) extends along the axial direction, and the radial size of the floating rod (5) is smaller than that of the central hole; the central hole extends inwards at intervals along the axial direction to form an inner ring shape, conical surfaces are arranged at the inner holes of the single inner ring shape along the circumferential direction, and the radial size of each conical surface is reduced towards the direction that the floating rod (5) moves out of the fixing piece; the outer wall surface of the floating rod (5) extends outwards at intervals along the axial direction to form an outer ring, the outer ring corresponds to the inner ring one by one, and a spherical surface is arranged on the outer ring along the circumferential direction and is matched with the conical surface in a fitting manner; and a spring (3) is also arranged between the floating rod (5) and the fixing piece.
2. A double-cone float mechanism according to claim 1 wherein: the spring (3) is arranged at the end part of the floating rod (5) in the center hole of the fixing part, and the axial direction of the spring (3) and the axial direction of the floating rod (5) are positioned on the same straight line.
3. A double-cone float mechanism according to claim 2, wherein: the fixing piece is of an axially hollow revolving body structure, a sliding block (4) is axially installed in a fixing piece center hole located outside the inner end of the floating rod (5) in a sliding mode, and the sliding block (4) is located between the end of the floating rod (5) and the spring (3).
4. A double-cone float mechanism according to claim 3 wherein: an adjusting screw (2) is locked in the end part of the central hole of the fixing piece far away from the floating rod (5), and a spring (3) is positioned between the adjusting screw (2) and the sliding block (4); the centers of the opposite end surfaces of the adjusting screw (2) and the sliding block (4) are provided with concave structures for accommodating the end parts of the springs (3).
5. A double-cone float mechanism according to claim 3 wherein: the top surface of the floating rod (5) is arranged to be a convex spherical structure (53), the lower part of the sliding block (4) extends outwards along the circumferential direction to form a convex ring (41), the convex ring (41) forms a limit position of the sliding block (4) sliding in the central hole, the bottom surface of the sliding block (4) is arranged to be a plane structure, and the spherical structure (53) is attached to the plane structure.
6. A double-cone float mechanism according to claim 3 wherein: the fixing piece comprises a middle sleeve (6), one end of the middle sleeve (6) is fixedly provided with an upper sleeve (1), and the other end of the middle sleeve (6) is provided with a lower sleeve (8); the inner wall surfaces of the middle sleeve (6) and the lower sleeve (8) extend inwards respectively to form an upper conical surface (62) and a lower conical surface (81) to form a conical surface which is matched and attached with the spherical surface of the floating rod (5); the spherical surface on the floating rod (5) also comprises an upper spherical surface (54) and a lower spherical surface (55) which are in one-to-one correspondence with the conical surfaces.
7. A double-cone float mechanism according to claim 6 wherein: the end faces of the upper sleeve (1) and the middle sleeve (6) are connected and fixedly mounted through an external fastener, the end part of the lower sleeve (8) extends into the middle sleeve (6) and is connected through threads, and a gasket (9) is arranged between the lower sleeve (8) and the middle sleeve (6) in a pressing mode.
8. A double-cone float mechanism according to claim 6 wherein: the wall surface of the middle sleeve (6) is provided with a limiting part (7), the limiting part (7) is arranged towards the floating rod (5), the floating rod (5) is provided with a limiting hole (52) for the limiting part (7) to move relatively, and the length direction of the limiting hole (52) is along the length direction of the floating rod (5).
9. A double-cone float mechanism according to claim 6 wherein: the wall surface of the inner and outer through middle sleeve (6) is provided with an outer through hole (61).
10. A double-cone float mechanism according to claim 9, wherein: the center of the end face, far away from the fixing piece, of the floating rod (5) is provided with a mounting hole in threaded connection with an external object, and the wall surface, penetrating through the floating rod (5), inside and outside is provided with an inner through hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577979.5U CN218002409U (en) | 2022-06-22 | 2022-06-22 | Biconical floating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577979.5U CN218002409U (en) | 2022-06-22 | 2022-06-22 | Biconical floating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002409U true CN218002409U (en) | 2022-12-09 |
Family
ID=84313444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221577979.5U Active CN218002409U (en) | 2022-06-22 | 2022-06-22 | Biconical floating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002409U (en) |
-
2022
- 2022-06-22 CN CN202221577979.5U patent/CN218002409U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214192 east of Qingyun No.1 building, 99 Furong Zhongsan Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee after: Wuxi Wannaite Automation Equipment Co.,Ltd. Address before: 214192 east of Qingyun No.1 building, 99 Furong Zhongsan Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: WUXI VGAGE MEASURING EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |