CN218002511U - Compact elastic floating mechanism - Google Patents
Compact elastic floating mechanism Download PDFInfo
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- CN218002511U CN218002511U CN202221852842.6U CN202221852842U CN218002511U CN 218002511 U CN218002511 U CN 218002511U CN 202221852842 U CN202221852842 U CN 202221852842U CN 218002511 U CN218002511 U CN 218002511U
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Abstract
The utility model relates to a compact elastic floating mechanism, which comprises a floating shaft, wherein the outer wall surfaces at two ends of the floating shaft are both arranged into an outward convex arc structure along the circumferential direction, a fixing part is sleeved at the outward convex arc structure at one end, and a floating part is sleeved at the outward convex arc structure at the other end, so that two-stage floating is formed; the end part of the nut retaining sleeve opposite to the fixing piece is overlapped and locked, and the outer side surface of the floating shaft forms an accommodating space by the nut retaining sleeve and the fixing piece; the accommodating space accommodates an elastic part for two-stage floating reset, and the elastic part comprises an elastic part I and an elastic part II which are sequentially sleeved along the axial direction of the floating shaft; therefore, when the floating part is subjected to external force, the floating part can float through plane movement or circumferential swinging, and the reliable coaxiality of the floating part and the fixing part can be ensured when the external force is cancelled.
Description
Technical Field
The utility model belongs to the technical field of the precision measurement technique and specifically relates to a compact elasticity 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 arranged 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 is complex in structure, high in installation and debugging requirements, high in cost and poor in floating performance in use.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a compact elastic floating mechanism with a reasonable structure, so that the floating in the translation and swing directions is allowed when the force is applied, the elastic floating mechanism can be reliably reset when the external force is removed, the use stability is good, the assembly is simple, the cost is low, and the practicability is good.
The utility model discloses the technical scheme who adopts as follows:
a compact elastic floating mechanism comprises a floating shaft, wherein outer wall surfaces at two ends of the floating shaft are respectively provided with an outward convex arc structure along the circumferential direction, a fixing part is sleeved at the outward convex arc structure at one end, and a floating part is sleeved at the outward convex arc structure at the other end, so that two-stage floating is formed; the end part of the nut retaining sleeve opposite to the fixing piece is overlapped and locked, and the outer side surface of the floating shaft forms an accommodating space by the nut retaining sleeve and the fixing piece; the accommodating space accommodates an elastic part for two-stage floating reset, and the elastic part comprises an elastic part I and an elastic part II which are sequentially sleeved along the axial direction of the floating shaft.
As a further improvement of the above technical solution:
and the inner wall surface of the fixing piece positioned outside the circumference of the floating shaft is sleeved with a baffle ring along the circumferential direction, and the baffle ring divides the accommodating space into two spaces for accommodating the first elastic piece and the second elastic piece respectively along the axial direction.
A movable ring is movably sleeved on the floating shaft between the end head of the floating piece and the end head of the fixed piece, a sliding sleeve is arranged between the movable ring and the inner end face of the nut blocking sleeve, and a gap is formed between the inner wall face of the sliding sleeve and the inner wall face of the floating piece; the end head of the floating piece extends outwards along the circumferential direction to form a flange, and the inner wall surface of the sliding sleeve is provided with an annular groove for inserting the flange; the second elastic piece is arranged between the baffle ring and the movable ring, and the movable ring and the sliding sleeve are tightly attached to the inner end face of the nut baffle sleeve by the second elastic piece.
The depth dimension of the annular groove in the radial direction is larger than the radial dimension of the flanging.
The outer circumferential surfaces of the movable ring and the sliding sleeve are respectively arranged into an outward convex arc surface, and are contacted and attached with the inner wall surface of the nut blocking sleeve through the outward convex arc surface; a first convex arc structure is arranged on the circumferential wall surface of the end part of the floating shaft facing the floating part, and the first convex arc structure is attached to the inner hole wall surface of the floating part.
The first elastic piece is arranged between the baffle ring and the floating shaft, and the first elastic piece enables the floating shaft to be attached to the fixing piece in the axial direction.
The retaining ring is a clamp spring, a gasket is arranged between one end of the elastic part and the retaining ring in a pressing mode, the outer circumferential surface of the gasket is in contact with the inner wall surface of the fixing part, and the diameter of the inner hole of the gasket is smaller than that of the inner hole of the retaining ring.
A second convex arc-shaped structure is arranged on the circumferential wall surface of the end part of the floating shaft facing the fixing piece, and a convex ring extends outwards along the circumferential direction on the outer wall surface of the floating shaft between the second convex arc-shaped structure and the baffle ring; one end of the elastic part is tightly attached to one end face of the convex ring, and the other end face of the convex ring is tightly attached to the fixing part under the action of the elastic part; the first elastic part is of a cylindrical structure, and one inner wall surface of the first elastic part is tightly attached to the outer wall surface of the floating shaft.
The fixing piece and the floating piece are uniformly provided with internally and externally communicated long grooves along the circumferential direction, and the length direction of the long grooves is consistent with the axial direction; the limiting pin I is locked and installed on the long groove penetrating through the fixing piece from outside to inside towards the corresponding convex arc-shaped structure on the floating shaft, and the limiting pin II is locked and installed on the long groove penetrating through the floating piece from outside to inside towards the convex arc-shaped structure at the other end of the floating shaft.
The outer wall surface of the end part of the fixing part sleeved on the floating shaft is provided with an external thread, the inner wall surface of the corresponding end part of the nut retaining sleeve is provided with an internal thread, and the internal thread and the external thread are matched and locked.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure, convenient operation, can float through plane movement or circumferential swing when the floating part is subjected to external force by the two-stage floating and the arrangement of the elastic part for floating reset, has good floating performance and good adaptability, can ensure that the floating part is reliable and coaxial relative to the reset of the fixing part when the external force is cancelled, has good use stability, simple assembly, low cost and good practicability;
the utility model discloses still include following advantage:
through the matching arrangement of the long grooves and the limiting nails, the circumferential swinging and floating can be realized through the convex arc structure while the axial relative position is ensured, and the swinging and floating is limited; through the arrangement of the flanging and the annular groove, the floating piece can float in a translation mode relative to the fixing piece, and the translation floating is limited; so that the floating part can float in a certain range while the floating part can float in translation and swing relative to the fixed part;
the first elastic part applies force to the floating shaft to enable the floating shaft to be attached to the fixed part tightly, the second elastic part applies force to the flange of the floating part through the movable ring and the sliding sleeve, and under the combined action of the first elastic part and the second elastic part, the floating part is enabled to stably reset relative to the fixed part after floating, and the coaxiality of the floating part is reliably guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Wherein: 1. a fixing member; 2. a first limit nail; 3. a floating shaft; 4. a first elastic part; 5. a gasket; 6. a baffle ring; 7. a second elastic part; 8. a nut blocking sleeve; 9. a movable ring; 10. a sliding sleeve; 11. a second limit nail; 12. a float member;
301. a first convex arc structure; 302. a convex arc structure II; 303. a convex ring; 1001. a convex arc surface; 1002. an annular groove; 1201. a long groove; 1202. and (5) flanging.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the compact elastic floating mechanism of the present embodiment includes a floating shaft 3, outer wall surfaces of two ends of the floating shaft 3 are all arranged along a circumferential direction to be convex arc structures, a fixing member 1 is sleeved at the convex arc structure at one end, and a floating member 12 is sleeved at the convex arc structure at the other end, so as to form two-stage floating; the floating shaft is characterized by further comprising a nut blocking sleeve 8 sleeved outside the end of the floating part 12, the end part of the nut blocking sleeve 8 opposite to the fixing part 1 is overlapped and locked, and a containing space is formed by the nut blocking sleeve 8 and the fixing part 1 on the outer side surface of the floating shaft 3; the accommodating space accommodates an elastic element for two-stage floating reset, and the elastic element comprises an elastic element I4 and an elastic element II 7 which are sequentially sleeved along the axial direction of the floating shaft 3.
Through two-stage floating and the arrangement of the elastic part for floating reset, when the floating part 12 is subjected to external force, the floating part can float through plane movement or circumferential swing, and the reset of the floating part 12 relative to the fixing part 1 can be ensured to be reliable and coaxial when the external force is cancelled, so that the floating performance is good, and the adaptability is good.
Specifically, a baffle ring 6 is sleeved on the inner wall surface of the fixing member 1 positioned outside the circumference of the floating shaft 3 along the circumferential direction, and the baffle ring 6 divides the accommodating space into two spaces for respectively accommodating the first elastic member 4 and the second elastic member 7 along the axial direction.
Further, as shown in fig. 1 and fig. 2, a movable ring 9 is movably sleeved on the floating shaft 3 between the end head of the floating member 12 and the end head of the fixed member 1, a sliding sleeve 10 is installed between the movable ring 9 and the inner end surface of the nut blocking sleeve 8, and a gap is formed between the inner wall surface of the sliding sleeve 10 and the inner wall surface of the floating member 12; the end of the floating piece 12 extends outwards along the circumferential direction to form a flange 1202, and the inner wall surface of the sliding sleeve 10 is provided with an annular groove 1002 for inserting the flange 1202; the second elastic element 7 is arranged between the baffle ring 6 and the movable ring 9, and the second elastic element 7 tightly adheres the movable ring 9 and the sliding sleeve 10 to the inner end face of the nut baffle sleeve 8.
In this embodiment, the inner diameter of the movable ring 9 is smaller than the inner diameter of the sliding sleeve 10; under the elastic force of the second elastic part 7, the axial movement of the movable ring 9 applies force to the sliding sleeve 10 to ensure that the sections of the sliding sleeve are mutually attached, and further force is transferred to the floating part 12 to ensure that the floating part resets when not stressed; the movable ring 9 is arranged for ensuring the reliability of resetting, the sliding sleeve 10 is arranged for limiting the floating amount, and the combination of the two ensures the floating performance of the floating piece 12.
The depth dimension of the annular groove 1002 in the radial direction is greater than the radial dimension of the collar 1202, so that the float member 12 can translate relative to one another in the radial direction.
Furthermore, the outer circumferential surfaces of the movable ring 9 and the sliding sleeve 10 are respectively provided with an outer convex arc surface 1001, and the outer convex arc surfaces 1001 are in contact fit with the inner wall surface of the nut blocking sleeve 8, so that the movable ring and the sliding sleeve can swing relatively while being in contact fit with each other, and the floating smoothness is assisted;
the circumferential wall surface of the end part of the floating shaft 3 facing the floating part 12 is provided with a convex arc structure I301, and the convex arc structure I301 is attached to the inner hole wall surface of the floating part 12.
Further, an elastic element 4 is arranged between the baffle ring 6 and the floating shaft 3, and the elastic element 4 is used for tightly attaching the floating shaft 3 to the fixing element 1 in the axial direction so as to ensure the resetting of the floating shaft.
As an optional form of this embodiment, the baffle ring 6 is a snap spring, a gasket 5 is press-fitted between the end of the first elastic member 4 and the baffle ring 6, the outer circumferential surface of the gasket 5 contacts the inner wall surface of the fixing member 1, and the diameter of the inner hole of the gasket 5 is smaller than that of the baffle ring 6; the shortage of overlarge inner diameter of a standard clamp spring is compensated by the arrangement of the gasket 5.
The retainer ring 6 in this embodiment may be a machined part, which is fixedly mounted on the inner wall surface of the fixing member 1, and both end surfaces of the retainer ring are used for abutting mounting of the first elastic member 4 and the second elastic member 7, respectively.
Further, as shown in fig. 3, a second convex arc-shaped structure 302 is arranged on the circumferential wall surface of the end part of the floating shaft 3 facing the fixing member 1, and a convex ring 303 extends outwards along the circumferential direction on the outer wall surface of the floating shaft 3 between the second convex arc-shaped structure 302 and the baffle ring 6; the end part of the first elastic part 4 is tightly attached to the end face of one end of the convex ring 303, and the end face of the other end of the convex ring 303 is tightly attached to the fixing part 1 under the action of the first elastic part 4;
through the arrangement of the convex ring 303, on one hand, the elastic part I4 between the floating shaft 3 and the baffle ring 6 is propped against and mounted, and on the other hand, the floating shaft 3 is convenient to attach and reset relative to the fixing part 1.
The elastic part I4 is of a cylindrical structure, the inner wall surface of the elastic part I4 is tightly attached to the outer wall surface of the floating shaft 3, and the elastic part I4 is used for realizing swing reset to enable the elastic part I to swing reset axially.
The fixing piece 1 and the floating piece 12 are both provided with internally and externally communicated long grooves 1201 uniformly along the circumferential direction, and the length direction of the long grooves 1201 is consistent with the axial direction; a first limit pin 2 is locked and installed on the long groove 1201 penetrating through the fixing piece 1 from outside to inside towards the corresponding convex arc structure on the floating shaft 3, and a second limit pin 11 is locked and installed on the long groove 1201 penetrating through the floating piece 12 from outside to inside towards the convex arc structure at the other end of the floating shaft 3.
Through the matching arrangement of the long groove 1201 and the limit nail, the circumferential swinging and floating can be realized through the convex arc structure while the axial relative position is ensured, and the swinging and floating is limited; through the arrangement of the turned edge 1202 and the annular groove 1002, the floating piece 12 can float in a translation mode relative to the fixed piece 1, and the floating in the translation mode is limited; so as to limit the floating thereof to a certain extent while achieving the floating of the floating member 12 in translation and oscillation with respect to the fixed member 1.
An external thread is arranged on the outer wall surface of the end part of the fixing part 1 sleeved on the floating shaft 3, an internal thread is arranged on the inner wall surface of the corresponding end part of the nut retaining sleeve 8, and the internal thread and the external thread are matched and locked; on one hand, a containing space is formed by assembling the fixing part 1 and the nut baffle sleeve 8 and used for installing the floating reset assembly, on the other hand, the size of the containing space can be adjusted in the axial direction by screwing the nut baffle sleeve 8 relative to the axial direction of the fixing part 1, and particularly, the movable ring 9 and the sliding sleeve 10 are convenient to limit and adjust in axial movement and deflection, and the installation and adjustment are convenient.
As a preferred example of this embodiment, the first elastic element 4 and the second elastic element 7 may both be wave springs, and the wave springs have a higher rigidity and a higher deformation performance than ordinary springs, and are particularly suitable for use in a situation where weight reduction and installation space constraints are imposed, and effective assistance is to reduce the overall size of the mechanism on the basis of ensuring floating return.
In this embodiment, can stretch out the tip of nut spacer 8 at floating piece 12 and assemble outside measuring component, also can set up floating piece 12 to the hollow piece of axial, arrange measuring component installation in inboard, make its whole small in size.
The utility model discloses compact structure is ingenious, and whole floating behavior is good, uses that adaptability is good, stability is good to the assembly is simple, and is with low costs, 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 compact elastic floating mechanism is characterized in that: the floating device comprises a floating shaft (3), wherein outer wall surfaces of two ends of the floating shaft (3) are respectively arranged into an outward convex arc-shaped structure along the circumferential direction, a fixing piece (1) is sleeved at the outward convex arc-shaped structure at one end, and a floating piece (12) is sleeved at the outward convex arc-shaped structure at the other end, so that two-stage floating is formed; the end part of the nut retaining sleeve (8) opposite to the fixing piece (1) is overlapped and locked, and the outer side surface of the floating shaft (3) forms an accommodating space by the nut retaining sleeve (8) and the fixing piece (1); the accommodating space accommodates an elastic part for two-stage floating reset, and the elastic part comprises a first elastic part (4) and a second elastic part (7) which are sequentially sleeved along the axial direction of the floating shaft (3).
2. A compact elastic floating mechanism according to claim 1, characterized in that: the inner wall surface of the fixing part (1) positioned outside the circumference of the floating shaft (3) is sleeved with a baffle ring (6) along the circumferential direction, and the baffle ring (6) divides an accommodating space into two spaces for accommodating the first elastic part (4) and the second elastic part (7) respectively along the axial direction.
3. A compact elastic floating mechanism according to claim 2, characterized in that: a movable ring (9) is movably sleeved on the floating shaft (3) positioned between the end head of the floating piece (12) and the end head of the fixed piece (1), a sliding sleeve (10) is installed between the movable ring (9) and the inner end face of the nut blocking sleeve (8), and a gap is formed between the inner wall face of the sliding sleeve (10) and the inner wall face of the floating piece (12); the end of the floating piece (12) extends outwards along the circumferential direction to form a flange (1202), and an annular groove (1002) for inserting the flange (1202) is formed in the inner wall surface of the sliding sleeve (10); the second elastic piece (7) is arranged between the baffle ring (6) and the movable ring (9), and the movable ring (9) and the sliding sleeve (10) are tightly attached to the inner end face of the nut baffle sleeve (8) by the second elastic piece (7).
4. A compact elastic floating mechanism according to claim 3, characterized in that: the depth dimension of the annular groove (1002) in the radial direction is larger than the radial dimension of the flange (1202).
5. A compact resilient float mechanism as claimed in claim 3, wherein: the outer circumferential surfaces of the movable ring (9) and the sliding sleeve (10) are respectively provided with an outer convex arc surface (1001), and are contacted and attached with the inner wall surface of the nut retaining sleeve (8) through the outer convex arc surface (1001); the circumferential wall surface of the end part of the floating shaft (3) facing the floating part (12) is provided with a convex arc structure I (301), and the convex arc structure I (301) is attached to the wall surface of the inner hole of the floating part (12).
6. A compact elastic floating mechanism according to claim 2, characterized in that: the first elastic part (4) is installed between the baffle ring (6) and the floating shaft (3), and the first elastic part (4) enables the floating shaft (3) to be attached to the fixing piece (1) in the axial direction.
7. A compact elastic floating mechanism according to claim 6, characterized in that: the retaining ring (6) is a clamp spring, a gasket (5) is arranged between the end part of the first elastic part (4) and the retaining ring (6) in a pressing mode, the outer circumferential surface of the gasket (5) is in contact with the inner wall surface of the fixing part (1), and the diameter of the inner hole of the gasket (5) is smaller than that of the retaining ring (6).
8. A compact elastic floating mechanism according to claim 6, characterized in that: a second convex arc-shaped structure (302) is arranged on the circumferential wall surface of the end part of the floating shaft (3) facing the fixing piece (1), and a convex ring (303) extends outwards along the circumferential direction on the outer wall surface of the floating shaft (3) between the second convex arc-shaped structure (302) and the baffle ring (6); the end part of the first elastic part (4) is tightly attached to the end face of one end of the convex ring (303), and the end face of the other end of the convex ring (303) is tightly attached to the fixing piece (1) under the action of the first elastic part (4); the first elastic part (4) is of a cylindrical structure, and the inner wall surface of the first elastic part (4) is tightly attached to the outer wall surface of the floating shaft (3).
9. A compact elastic float mechanism as defined in claim 1, wherein: the fixing piece (1) and the floating piece (12) are both provided with internally and externally communicated long grooves (1201) uniformly along the circumferential direction, and the length direction of the long grooves (1201) is consistent with the axial direction; the limiting nail I (2) is locked and installed on the long groove (1201) penetrating through the fixing piece (1) from outside to inside towards the corresponding convex arc-shaped structure on the floating shaft (3), and the limiting nail II (11) is locked and installed on the long groove (1201) penetrating through the floating piece (12) from outside to inside towards the convex arc-shaped structure at the other end of the floating shaft (3).
10. A compact elastic float mechanism as defined in claim 1, wherein: the outer wall surface of the end part of the fixing part (1) sleeved on the floating shaft (3) is provided with an external thread, the inner wall surface of the corresponding end part of the nut retaining sleeve (8) is provided with an internal thread, and the internal thread and the external thread are matched and locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221852842.6U CN218002511U (en) | 2022-07-18 | 2022-07-18 | Compact elastic floating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221852842.6U CN218002511U (en) | 2022-07-18 | 2022-07-18 | Compact elastic floating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002511U true CN218002511U (en) | 2022-12-09 |
Family
ID=84317071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221852842.6U Active CN218002511U (en) | 2022-07-18 | 2022-07-18 | Compact elastic floating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002511U (en) |
-
2022
- 2022-07-18 CN CN202221852842.6U patent/CN218002511U/en active Active
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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. |