CN218002509U

CN218002509U - Bellows floating mechanism

Info

Publication number: CN218002509U
Application number: CN202221577922.5U
Authority: CN
Inventors: 贾旭虹; 李哲
Original assignee: Wuxi Vgage Measuring Equipment Co ltd
Current assignee: Wuxi Wannaite Automation Equipment Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-09
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a bellows floating mechanism, which comprises a bellows coupler, a floating piece is arranged in the inner hole of the bellows coupler in a penetrating way, and a sleeve is sleeved on the outer wall surface of the bellows coupler; one end part of the floating part is fixed with the end part of the inner wall of the corrugated pipe coupling, and the other end of the floating part extends out of the corrugated pipe coupling to form a floating end; the end part of the inner hole at one end of the sleeve is fixed with the end part of the outer wall of the corrugated pipe coupler to form a fixed end, and the outer wall surface at the other end of the sleeve is slidably sleeved with an installation cylinder; the fixed position between the sleeve and the corrugated pipe coupling and the fixed position between the floating part and the corrugated pipe coupling are respectively positioned at two ends of the corrugated pipe coupling to form a floating mechanism, so that the device is convenient to install and debug, compact in structure, small in size, particularly suitable for using a measuring head in hole size measurement, low in cost and good in practicability.

Description

Bellows floating mechanism

Technical Field

The utility model belongs to the technical field of the measurement equipment technique and specifically relates to a bellows 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 to realize floating within a certain range by matching with 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 overall dimension is large, and the method cannot be used in narrow scenes with limited space.

SUMMERY OF THE UTILITY MODEL

The applicant provides a bellows floating mechanism with a reasonable structure aiming at the defects in the prior art, so that the floating mechanism with a compact structure and a small volume is formed by taking a bellows coupler as a core, is convenient to install and debug, is particularly suitable for using a measuring head in hole size measurement, and has low cost and good practicability.

The utility model discloses the technical scheme who adopts as follows:

a corrugated pipe floating mechanism comprises a corrugated pipe coupler, a floating piece is arranged in an inner hole of the corrugated pipe coupler in a penetrating mode, and a sleeve is sleeved on the outer wall surface of the corrugated pipe coupler; one end part of the floating part is fixed with the end part of the inner wall of the corrugated pipe coupling, and the other end of the floating part extends out of the corrugated pipe coupling to form a floating end; the end part of the inner hole at one end of the sleeve is fixed with the end part of the outer wall of the corrugated pipe coupler to form a fixed end, and the outer wall surface at the other end of the sleeve is slidably sleeved with an installation cylinder; the fixed position between the sleeve and the corrugated pipe coupler and the fixed position between the floating piece and the corrugated pipe coupler are respectively positioned at two ends of the corrugated pipe coupler.

As a further improvement of the above technical solution:

and the sleeve end surface positioned at the peripheral outer part of the floating end of the floating part is provided with righting pins at intervals, and the righting pins are close to the side wall surface of the floating part.

The righting pin is an elastic plunger pin, and the elastic end part of the righting pin is attached to the side wall surface of the floating part.

The floating end of the floating piece extends outwards along the circumferential direction to form a flange structure, and the diameter size of the flange structure is larger than the size of an inner hole of the sleeve.

A limiting piece is inserted from the end face of the floating end flange structure to the end face of the sleeve, and a gap exists between the limiting piece and the floating piece.

A stepped hole is formed in the end face of the flange structure, and the axial direction of the stepped hole is parallel to the axial direction of the floating piece; the locating part is the retaining member, and the retaining member head is located the macropore department in step hole, and the retaining member all has the clearance between retaining member outer wall face and the step hole towards sleeve cartridge inwards from step hole macropore department, through the screw thread locking between retaining member tail end and the sleeve.

The mounting cylinder and the sleeve relatively slide along the axial direction, and a sliding reset spring is arranged between the mounting cylinder and the sleeve; a sensor for sensing the sliding is also provided.

The fixed end of the sleeve extends outwards in the circumferential direction to form a convex ring structure, a space exists between the convex ring structure and the mounting cylinder, and the spring is sleeved on the sleeve at the space.

Install the guide structure of relative slip between installation section of thick bamboo and the sleeve to and limit structure when carrying on the back the side of the body roll-off.

The end part of the mounting cylinder, which is far away from the spring, extends along the axial direction to form an extension end, so that the corresponding end part of the sleeve is contained in the extension end; guide grooves are formed in the end part of the inner wall of the extending end at intervals along the circumferential direction, the length direction of each guide groove is consistent with the axial direction of the mounting cylinder, and a step is formed between the inner end of each guide groove and the inner wall surface of the extending end to form a limiting structure; the guide groove is internally provided with a guide piece in a sliding fit along the length direction to form a guide structure, and the guide piece is fixed with the end face of the sleeve.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure, convenient operation, convenient installation and debugging and low cost, is particularly suitable for the use of a measuring head in hole size measurement and has good practicability by forming a floating mechanism with small volume by taking the corrugated pipe coupling as a core;

the utility model discloses still include following advantage:

in the utility model, the floating end is used for installing an external measuring head, the fixed end is installed on an external support, the floating part, the corrugated pipe coupling and the sleeve are sleeved layer by layer and the corresponding end parts are relatively fixed, so that the floating mechanism with the floating amount at the floating end is formed, and the power is smoothly and smoothly used for the measuring head of the measuring hole;

the centering pin is arranged for centering the floating end so as to help ensure that the measuring head can measure stably, accurately and reliably under the condition of floating amount;

the limiting piece is arranged to limit the floating piece, particularly the floating end, so that the floating piece is prevented from floating excessively, and the normal and reliable use of the floating piece is effectively guaranteed;

set up sensor, guide structure and limit structure between relative gliding installation section of thick bamboo and sleeve, constitute buffer stop jointly to can have axial displacement when the gauge head contacts the barrier, and transmit alarm information by the sensor response, reliably guarantee the stable use of gauge head.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram (another view angle) of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Wherein: 1. a float member; 2. a limiting member; 3. a righting pin; 4. a sleeve; 5. a spring; 6. mounting the cylinder; 7. a sensor; 8. a guide member; 9. a fastener; 10. a bellows coupling;

11. a stepped bore; 61. a guide groove.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 2 and 3, the bellows floating mechanism of the present embodiment includes a bellows coupling 10, a floating member 1 is installed in an inner hole of the bellows coupling 10 in a penetrating manner, and a sleeve 4 is sleeved on an outer wall surface of the bellows coupling 10; one end part of the floating part 1 is fixed with the end part of the inner wall of the corrugated pipe coupling 10, and the other end of the floating part 1 extends out of the corrugated pipe coupling 10 to form a floating end; the end part of an inner hole at one end of the sleeve 4 is fixed with the end part of the outer wall of the corrugated pipe coupling 10 to form a fixed end, and the outer wall surface at the other end of the sleeve 4 is slidably sleeved with an installation cylinder 6; the fixed positions of the sleeve 4 and the corrugated pipe coupler 10 and the fixed positions of the floating part 1 and the corrugated pipe coupler 10 are respectively positioned at two ends of the corrugated pipe coupler 10, so that the corrugated pipe coupler 10 is used as a core to form a floating mechanism with small volume, and the installation and debugging are convenient.

In this embodiment, the floating end can be used for installing an external measuring head, the fixed end is installed on the external support, the floating part 1, the corrugated pipe coupler 10 and the sleeve 4 are sleeved layer by layer, and the corresponding end portions are fixed relatively, so that a floating mechanism with a floating amount at the floating end is formed, and the floating mechanism can be used for assisting in achieving and guaranteeing smooth and smooth use of the hole measuring head.

The end surface of the sleeve 4 positioned at the peripheral outer part of the floating end of the floating part 1 is provided with the righting pins 3 at intervals, and the righting pins 3 are close to the side wall surface of the floating part 1; the setting of righting round pin 3 is used for the righting of floating end to helping hand is in guaranteeing that the installed parts such as gauge head use stability, accuracy, reliable under the condition that possesses the floating volume.

The righting pin 3 is an elastic plunger pin, the elastic end part of the righting pin is attached to the side wall surface of the floating piece 1, and the use reliability is ensured through elastic righting.

The floating end of the floating part 1 extends outwards along the circumferential direction to form a flange structure, the diameter size of the flange structure is larger than the inner hole size of the sleeve 4, so that the corrugated pipe coupling 10 is reliably accommodated between the floating part 1 and the sleeve 4 on the inner side of the flange structure, the power is used for ensuring the use stability and the continuous reliability of the corrugated pipe coupling 10, and the effective installation space between the floating part 1 and an external installation part is effectively enlarged through the arrangement of the flange structure.

A limiting piece 2 is inserted from the end face of the floating end flange structure to the end face of the sleeve 4, and a gap exists between the limiting piece 2 and the floating piece 1; the limiting part 2 is arranged to mechanically limit the floating of the floating part 1, particularly the floating end, so that excessive floating is prevented, and normal and reliable use of the floating part is effectively guaranteed.

In this embodiment, the end surface of the limiting member 2 is retracted into the end surface of the flange structure, so as to avoid the installation influence on the external installation member on the flange structure.

A step hole 11 is formed in the end face of the flange structure, and the axial direction of the step hole 11 is parallel to the axial direction of the floating piece 1; the limiting piece 2 is a locking piece, the head of the locking piece is positioned at the large hole of the stepped hole 11, the locking piece is inserted inwards towards the sleeve 4 from the large hole of the stepped hole 11, gaps exist between the outer wall surface of the locking piece and the stepped hole 11, and the outer wall surface of the locking piece is close to or far away from the wall surface of the stepped hole 11 in the floating process of the floating piece 1; the tail end of the locking piece and the sleeve 4 are locked and installed through threads.

In this embodiment, the flange structure end face is provided with two or more limiting members 2 along the circumferential direction in an inserting manner, so that the floating of the floating member 1 is reliably and stably limited.

As shown in fig. 1, the two position-limiting members 2 in the present embodiment are arranged on the same circumference of the end face of the flange structure at about 120 °.

The mounting cylinder 6 and the sleeve 4 relatively slide along the axial direction, and a sliding reset spring 5 is arranged between the mounting cylinder 6 and the sleeve 4; a sensor 7 is also provided which senses the sliding.

In this embodiment, the sensor 7 may be a magnetic switch, and may be installed on the outer wall surface of the installation cylinder 6, and the sleeve 4 is installed with a magnetic ring used in cooperation with the magnetic switch, so that the relative sliding between the installation cylinder 6 and the sleeve 4 is induced by the magnetic switch.

In this embodiment, the sensor 7 may also be a distance measuring sensor, and is mounted on one of the mounting tube 6 and the sleeve 4, and the distance measuring sensing head faces the other one, and senses the relative sliding through the change of the distance.

The fixed end of the sleeve 4 extends outwards in the circumferential direction to form a convex ring structure, a gap exists between the convex ring structure and the mounting cylinder 6, and the spring 5 is sleeved on the sleeve 4 at the gap.

In this embodiment, the spring 5 may also be installed at other places between the sleeve 4 and the installation cylinder 6, such as the hole walls that are attached to each other, the extending end of the installation cylinder 6, and the like;

when relative sliding is generated between the mounting cylinder 6 and the sleeve 4 due to external force, the spring 5 deforms, and after the external force is relieved, the relative sliding is reset under the action of the spring 5, so that the effect of the external force can be reliably responded and absorbed through the energy storage of the spring 5, and the normal and stable use of the floating mechanism is effectively ensured.

In this embodiment, the sleeve 4 is fixedly mounted with respect to the bellows coupling 10 by means of a plurality of fasteners 9 radially locked to the collar structure;

the number of the fasteners 9 can be four, the fasteners 9 are evenly distributed in the circumferential direction, the inner end heads of the three fasteners 9 are pressed against the outer wall surface of the corrugated pipe coupling 10, and the other fastener 9 is locked inwards on the corrugated pipe coupling 10, so that the sleeve 4 and the corrugated pipe coupling 10 are fixedly installed at the convex ring structure.

In this embodiment, the fixing and installation between the end of the floating member 1 and the bellows coupling 10 may refer to the fixing manner of the fastening member 9 of the sleeve 4, or may be other fixing and installation manners.

A guide structure which slides relatively and a limit structure which slides back to back are arranged between the mounting cylinder 6 and the sleeve 4.

In this embodiment, the sensor 7, the guide structure and the limit structure are arranged between the mounting tube 6 and the sleeve 4 which slide relatively to each other, and the anti-collision device is formed together, so that when the measuring head contacts an obstacle, axial movement can be buffered and absorbed, and meanwhile, the sensor 7 senses and transmits alarm information, so that stable use of mounting pieces such as the measuring head is reliably guaranteed.

The end of the mounting tube 6 facing away from the spring 5 extends axially to form an extension end, so that the corresponding end of the sleeve 4 is housed inside the extension end; the end part of the inner wall of the extending end is provided with guide grooves 61 at intervals along the circumferential direction, the length direction of the guide grooves 61 is consistent with the axial direction of the mounting cylinder 6, and steps are formed between the inner end of the guide grooves 61 and the inner wall surface of the extending end to form a limiting structure; the guide groove 61 is provided with a guide member 8 in a sliding manner along the longitudinal direction to form a guide structure, and the guide member 8 is fixed to the end face of the sleeve 4.

In this embodiment, the guiding element 8 may be a spacer structure that is tightly pressed and mounted on the end surface of the sleeve 4 by a bolt, the cross section of the guiding groove 61 may be an inward concave arc structure, and the guiding function is realized by matching and relatively sliding the circumferential surface of the spacer structure and the guiding groove 61;

in this embodiment, the guiding element 8 may be another structure fixed to, protruding from, and matching with the guiding groove 61, the end surface of the sleeve 4.

The use of the present embodiment is described by taking the example of mounting a probe on the floating end of the floating member 1:

mounting a measuring head on the end face of the flange structure of the floating part 1, and mounting the fixed end of the sleeve 4 on an external bracket through a mounting cylinder 6;

under the control of an external mechanism and a program, controlling a measuring head to carry out diameter detection on the hole;

during detection, the measuring head is in contact with the inner wall surface of the hole, and because the machined hole has position degree and dimensional tolerance, the measuring head obtains the floating freedom degree of the corrugated pipe coupling 10 through the floating part 1, so that the attachment of the measuring head and the hole wall is reliably ensured, and the power is used for ensuring the smoothness, accuracy and reliability of the detection use;

in the testing process, when the gauge head meets the barrier suddenly, will make gauge head, floating member 1, bellows shaft coupling 10 follow sleeve 4 for 6 endwise slip of installation section of thick bamboo, simultaneously, sense the slip and to controller transmission information by sensor 7 to through buffer stop's setting, provide the safety guarantee for floating mechanism, gauge head.

The utility model discloses a floating mechanism compact structure, the overall arrangement is optimized, and small in size is particularly useful for the use of gauge head in the hole size measurement, 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

1. A bellows relocation mechanism which characterized in that: the corrugated pipe coupling comprises a corrugated pipe coupling (10), a floating part (1) is arranged in an inner hole of the corrugated pipe coupling (10) in a penetrating mode, and a sleeve (4) is sleeved on the outer wall surface of the corrugated pipe coupling (10); one end part of the floating piece (1) is fixed with the end part of the inner wall of the corrugated pipe coupling (10), and the other end of the floating piece (1) extends out of the corrugated pipe coupling (10) to form a floating end; the end part of an inner hole at one end of the sleeve (4) is fixed with the end part of the outer wall of the corrugated pipe coupler (10) to form a fixed end, and the outer wall surface at the other end of the sleeve (4) is sleeved with an installation cylinder (6) in a sliding manner; the fixed position between the sleeve (4) and the corrugated pipe coupling (10) and the fixed position between the floating piece (1) and the corrugated pipe coupling (10) are respectively positioned at two ends of the corrugated pipe coupling (10).

2. The bellows float mechanism of claim 1, wherein: and the end surface of the sleeve (4) positioned at the peripheral outer part of the floating end of the floating part (1) is provided with the righting pin (3) at intervals, and the righting pin (3) is close to the side wall surface of the floating part (1).

3. The bellows float mechanism of claim 2 wherein: the righting pin (3) is an elastic plunger pin, and the elastic end part of the righting pin is attached to the side wall surface of the floating piece (1).

4. The bellows float mechanism of claim 2 wherein: the floating end of the floating piece (1) extends outwards along the circumferential direction to form a flange structure, and the diameter size of the flange structure is larger than the size of an inner hole of the sleeve (4).

5. The bellows float mechanism of claim 4 wherein: a limiting piece (2) is inserted from the end face of the floating end flange structure to the end face of the sleeve (4), and a gap exists between the limiting piece (2) and the floating piece (1).

6. The bellows float mechanism of claim 5 wherein: a step hole (11) is formed in the end face of the flange structure, and the axial direction of the step hole (11) is parallel to the axial direction of the floating piece (1); locating part (2) are the retaining member, and the retaining member head is located the macropore department of step hole (11), and the retaining member all has the clearance between retaining member outer wall face and step hole (11) towards sleeve (4) cartridge from step hole (11) macropore department inwards, through the screw thread locking between retaining member tail end and the sleeve (4).

7. The bellows float mechanism of claim 1 wherein: the mounting cylinder (6) and the sleeve (4) relatively slide along the axial direction, and a sliding reset spring (5) is arranged between the mounting cylinder (6) and the sleeve (4); a sensor (7) for sensing the sliding is also arranged.

8. The bellows float mechanism of claim 7 wherein: the fixed end of the sleeve (4) extends outwards in the circumferential direction to form a convex ring structure, a gap exists between the convex ring structure and the mounting cylinder (6), and the spring (5) is sleeved on the sleeve (4) at the gap.

9. The bellows float mechanism of claim 7 wherein: and a guide structure which slides relatively and a limit structure which slides back to back when sliding out are arranged between the mounting cylinder (6) and the sleeve (4).

10. The bellows float mechanism of claim 9 wherein: the end of the mounting cylinder (6) facing away from the spring (5) extends axially to form an extension end, so that the corresponding end of the sleeve (4) is contained inside the extension end; guide grooves (61) are formed in the end portion of the inner wall of the extending end at intervals along the circumferential direction, the length direction of each guide groove (61) is consistent with the axial direction of the mounting cylinder (6), and a step is formed between the inner end of each guide groove (61) and the inner wall surface of the extending end to form a limiting structure; the guide groove (61) is internally provided with a guide piece (8) in a sliding way along the length direction to form a guide structure, and the guide piece (8) is fixed with the end face of the sleeve (4).