CN219368707U - Novel coating thickness gauge probe - Google Patents

Abstract

The utility model discloses a novel coating thickness gauge probe which comprises a sliding sleeve, a first clamping groove and a second clamping groove; the tip at the sliding sleeve is installed to first draw-in groove, the outer wall of sliding sleeve is equipped with the slide rail that sets up along the sliding sleeve axial, the slide rail includes the sliding part that the axial set up and the locking part that communicates with the sliding part, the outer wall that the sliding sleeve was located to the locking part just is circumference setting, the locking part is including the first locking groove that is close to first draw-in groove one side and the second locking groove that keeps away from first draw-in groove one side, the second draw-in groove cover is established in the sliding sleeve outside, the fixed locking slider that is equipped with grafting to the slide rail on the second draw-in groove, the locking slider is located when first locking inslot, first draw-in groove is located the outside of second locking groove, can accomplish the switch of draw-in groove under the circumstances of not dismantling the draw-in groove through the removal to the locking slider position, the measuring efficiency of coating has been improved.

Description

Novel coating thickness gauge probe

Technical Field

The utility model relates to the technical field of coating thickness gauges, in particular to a novel coating thickness gauge probe.

Background

The coating thickness gauge can be used for nondestructively measuring the thickness of a non-magnetic coating on a magnetic metal substrate and the thickness of a non-conductive coating on the non-magnetic metal substrate.

The existing probe structure is not detachable and is mainly used for measuring the coating thickness of a leveling sample, and when the coating thickness of the outer side of a cylindrical surface is measured, the probe is easy to shake, so that the measuring error is increased.

The difference of the curvature of the sample has a certain influence on the accuracy of coating measurement, and the measurement error gradually increases along with the reduction of the curvature radius. In particular, when the measurement is performed on a cylindrical surface having a diameter of less than 100 mm, the measurement value is extremely unstable.

Therefore, the novel split type coating thickness gauge probe with the authorized publication number of CN216348468U solves the problems that the probe cannot be disassembled and the measured value of the coating thickness of the cylindrical surface with the diameter smaller than 100 mm is unstable; the scheme discloses a first draw-in groove for measuring diameter is less than 100 millimeters face of cylinder coating for measure diameter is greater than 100 millimeters face of cylinder coating thickness's second draw-in groove, wherein all have V type bayonet socket on first draw-in groove and the second draw-in groove, so that the stability of sample when improving the measurement, first draw-in groove and second draw-in groove all can with sliding sleeve threaded connection, realize the change of draw-in groove.

In the scheme, only one clamping groove can be installed on the sliding sleeve, and when the clamping groove is replaced, the other clamping groove is required to be removed, so that the clamping groove is replaced more fussy, and the measuring efficiency of the coating thickness on the cylindrical surface sample is affected.

Therefore, how to design a probe of a thickness gauge for realizing rapid replacement of a clamping groove becomes a technical problem to be solved urgently by the person skilled in the art.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the utility model aims to provide a novel coating thickness gauge probe, which solves the problems of complicated clamping groove replacement and low coating measurement efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a novel coating thickness gauge probe comprises a sliding sleeve, a first clamping groove and a second clamping groove; the novel sliding sleeve comprises a sliding sleeve body, and is characterized in that V-shaped bayonets are arranged on the first clamping groove and the second clamping groove, the first clamping groove is arranged at the end part of the sliding sleeve, a sliding rail axially arranged along the sliding sleeve is arranged on the outer wall of the sliding sleeve, the sliding rail comprises a sliding part axially arranged and a locking part communicated with the sliding part, the locking part is arranged on the outer wall of the sliding sleeve and circumferentially arranged, the locking part comprises a first locking groove close to one side of the first clamping groove and a second locking groove far away from one side of the first clamping groove, the second clamping groove is sleeved outside the sliding sleeve, a locking sliding block inserted into the sliding rail is fixedly arranged on the second clamping groove, the locking sliding block is positioned in the first locking groove, the first clamping groove is positioned in the second clamping groove, and the locking sliding block is positioned in the second locking groove.

Further, the sliding part comprises a sliding groove, the sliding groove is arranged on the outer wall of the sliding sleeve and is arranged along the axial direction of the sliding sleeve, and the first locking groove and the second locking groove are communicated with the sliding groove.

Further, an extension hole for the sliding sleeve to pass through is formed in the second clamping groove, and the locking sliding block is arranged on the inner wall of the extension hole.

Further, the sliding rails are at least provided with two groups and distributed along the circumference of the sliding sleeve, and the number of the locking sliding blocks is matched with that of the sliding rails.

Further, the inner wall of sliding sleeve is equipped with the internal thread, the outer wall of first draw-in groove is equipped with the external screw thread, the external screw thread of first draw-in groove and the internal thread threaded connection of sliding sleeve.

Further, a through hole is formed in the first clamping groove, and a probe extending out of the through hole is arranged in the sliding sleeve.

Further, a limiting ring is fixedly arranged on the inner wall of the sliding sleeve, a positioning plate propped against the top of the first clamping groove is fixedly arranged at the end part of the probe, and a pressure spring is arranged between the limiting ring and the positioning plate.

Further, a guide pipe axially arranged along the sliding sleeve is fixedly arranged on the positioning plate, the top of the guide pipe penetrates through the limiting ring, and the pressure spring is sleeved on the outer side of the guide pipe.

Further, the top threaded connection of sliding sleeve has the entrance hole cover, the entrance hole is sheathe in and is equipped with the entrance hole with sliding sleeve inner chamber intercommunication.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first clamping groove is fixedly arranged at the end part of the sliding sleeve, so that the first clamping groove is arranged, the second clamping groove is spliced into the sliding rail through the locking sliding block, the position of the locking sliding block is changed, the position of the second clamping groove is changed, the first clamping groove is switched in a shielding and leakage state, the switching of the other clamping groove is realized under the condition that one clamping groove is not dismounted, the measurement of the thickness of the cylindrical surface coating with different curvatures is further applicable, and the switching efficiency of the clamping groove is improved;

the first locking groove and the second locking groove on the locking part are utilized to limit the position of the second clamping groove, so that the second clamping groove is prevented from sliding along the sliding sleeve in a use state and a non-use state, and the influence of the second clamping groove on staff is reduced.

Drawings

FIG. 1 is a schematic view of a first state of the present utility model;

FIG. 2 is a schematic view of a second state of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic structural view of a sliding sleeve according to the present utility model;

FIG. 5 is a schematic diagram of a second slot according to the present utility model;

FIG. 6 is a schematic view of the structure of the probe of the present utility model;

fig. 7 is a cross-sectional view of the present utility model.

In the figure: 1. a sliding sleeve; 11. a slide rail; 111. a chute; 112. a first locking groove; 113. a second locking groove; 12. a limiting ring; 2. a first clamping groove; 21. a through hole; 3. a wire inlet hole sleeve; 31. a wire inlet; 4. a probe; 41. a positioning plate; 42. a guide tube; 5. a pressure spring; 6. a second clamping groove; 61. an extension hole; 7. and locking the sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a novel coating thickness gauge probe, mainly used realizes the fast switch over of first draw-in groove and second draw-in groove, improves the measurement of face of cylinder coating thickness efficiency.

As shown in fig. 2 and 3, the probe of the coating thickness gauge comprises a sliding sleeve 1, the sliding sleeve 1 is tubular, a first clamping groove 2 is connected to the bottom end of the sliding sleeve 1 through threads, a through hole 21 is formed in the first clamping groove 2 in a penetrating mode, a probe 4 extending out of the first clamping groove 2 through the through hole 21 is installed in an inner cavity of the sliding sleeve 1, and the through hole 21 is parallel to the axis of the first clamping groove 2.

Wherein, the bottom end of the first clamping groove 2 is provided with a V-shaped bayonet;

when the thickness of the coating of the cylindrical surface is required to be measured, the probe 4 is required to be propped against the cylindrical surface, and then the cylindrical surface pushes the probe 4 to move towards the inside of the sliding sleeve 1, so that the V-shaped bayonet on the first clamping groove 2 is clamped on the outer side of the cylindrical surface, the cylindrical surface is prevented from moving, and the stability of the measurement process is improved.

In order to realize the installation of the probe 4, in this embodiment, as shown in fig. 3, 6 and 7, a limiting ring 12 is fixedly installed in the inner cavity of the sliding sleeve 1, wherein, a positioning plate 41 is fixedly provided at the end of the probe 4 located inside the sliding sleeve 1, the positioning plate 41 is disc-shaped, the outer diameter of the positioning plate 41 is smaller than the inner diameter of the sliding sleeve 1 and larger than the diameter of the through hole 21, at this time, the positioning plate 41 abuts against the top of the first clamping groove 2, and in order to enable the probe 4 sliding into the inner cavity of the sliding sleeve 1 to move outwards and reset, in this embodiment, as shown in fig. 2 and 7, a pressure spring 5 is installed between the positioning plate 41 and the limiting ring 12, one end of the pressure spring 5 abuts against the limiting ring 12, and the other end abuts against the positioning plate 41.

Through the arrangement, when the probe 4 and the cylindrical surface are propped against each other to move towards the inside of the sliding sleeve 1, the pressure spring 5 is compressed, and when the cylindrical surface and the bayonet of the first clamping groove 2 are propped against each other, the thickness of the coating is measured once; at this time, the probe 4 is stopped to be pressed against the cylindrical surface, and the pressure spring 5 pushes the positioning plate 41 to drive the probe 4 to reset.

In order to plug the top of the sliding sleeve 1, as shown in fig. 3 and 7, a wire inlet sleeve 3 is arranged at the top of the sliding sleeve 1, wherein an external thread of the wire inlet sleeve 3 is in threaded connection with an internal thread at the top end of the sliding sleeve 1, so that the installation of the wire inlet sleeve 3 is realized, a wire inlet 31 communicated with the inner cavity of the sliding sleeve 1 is arranged on the wire inlet sleeve 3 at the moment, and a wire at the outer side enters the inner cavity of the sliding sleeve 1 through the wire inlet 31 and is electrically connected with the probe 4.

When the probe performs thickness measurement on the coating of the sample, the compression spring 5 is compressed at this time, in order to prevent the compression spring 5 from bending, in this embodiment, as shown in fig. 3, 6 and 7, a guide tube 42 extending along the axial direction of the sliding sleeve 1 is fixedly disposed on the positioning plate 41, and the upper end of the guide tube 42 extends upward through the stop collar 12, at this time, the compression spring 5 is sleeved on the outer side of the guide tube 42.

In order to prevent the compression spring 5 from compressing the cable electrically connected with the probe 4, the cable penetrates into the inner cavity of the guide tube 42 at this time and is then electrically connected with the probe 4.

After the external diameter of face of cylinder changed, in order to be better suitable for the camber of face of cylinder, in traditional scheme, need change first draw-in groove 2, need pull down first draw-in groove 2 from sliding sleeve 1 this moment, then change a draw-in groove with face of cylinder camber assorted, at this moment, the change of draw-in groove has reduced face of cylinder coating measuring efficiency.

Conventionally, the curvature of the cylindrical surface is divided into two types, namely, a cylindrical surface with a diameter greater than 100 mm and a cylindrical surface with a diameter less than 100 mm, wherein two types of clamping grooves are corresponding to each other, the first clamping groove 2 is positioned for measuring the cylindrical surface with the diameter greater than 100 mm in the above description, meanwhile, a second clamping groove 6 for measuring the cylindrical surface with the diameter less than 100 mm is also required to be installed on the sliding sleeve 1, and a V-shaped bayonet is also arranged on the second clamping groove 6 for being propped against the cylindrical surface.

In order to improve the switching efficiency of the first clamping groove 2 and the second clamping groove 6, the mounting manner of the second clamping groove 6 is as follows, in this embodiment, as shown in fig. 1 and fig. 2, the second clamping groove 6 is sleeved on the outer side of the sliding sleeve 1, a sliding rail 11 arranged along the axial direction of the sliding sleeve 1 is arranged on the outer wall of the sliding sleeve 1, wherein, as shown in fig. 5, an extending hole 61 through which the sliding sleeve 1 passes is arranged on the second clamping groove 6, and a locking sliding block 7 inserted into the sliding rail 11 is fixedly arranged on the inner wall of the extending hole 61, wherein, the locking sliding block 7 can drive the second clamping groove 6 to slide along the axial direction of the sliding sleeve 1.

In order to reduce the aperture of the extension hole 61, in this embodiment, as shown in fig. 3, an external thread is disposed on an outer wall of an upper portion of the first clamping groove 2, an internal thread is disposed on an inner wall of a bottom of the sliding sleeve 1, and the external thread of the first clamping groove 2 is in threaded connection with the internal thread of the bottom of the sliding sleeve 1, and meanwhile, an outer diameter of the first clamping groove 2 is smaller than an outer diameter of the sliding sleeve 1.

In this embodiment, as shown in fig. 4, the sliding rail 11 includes a sliding portion and a locking portion, the sliding portion includes a sliding groove 111, where the sliding groove 111 is disposed on an outer wall of the sliding sleeve 1 and is disposed along an axial direction of the sliding sleeve 1, and the locking portion includes a first locking groove 112 and a second locking groove 113, where the locking portion is communicated with the sliding portion, and the locking portion is disposed along a circumferential direction of the sliding sleeve 1.

Specifically, the first locking groove 112 is located at one end close to the first clamping groove 2, the second locking groove 113 is located at one end far away from the first clamping groove 2, the first locking groove 112 and the second locking groove 113 are both communicated with the sliding groove 111, when the locking sliding block 7 slides into the first locking groove 112, as shown in fig. 1, the first clamping groove 2 is located completely inside the second clamping groove 6, and the probe 4 extends into the V-shaped bayonet of the second clamping groove 6; when the locking slide block 7 slides into the second locking groove 113, as shown in fig. 2, the second clamping groove 6 slides upwards along the sliding sleeve 1 at this time, so that the first clamping groove 2 is completely located at the outer side of the second clamping groove 6, and the switching between the first clamping groove 2 and the second clamping groove 6 is realized.

Because the first locking groove 112 and the second locking groove 113 are both circumferentially arranged and form an included angle of ninety degrees with the sliding groove 111, when the sliding sleeve 1 is in a vertical state and the locking slide block 7 is positioned in the first locking groove 112 or the second locking groove 113, the locking slide block 7 abuts against the side wall of the first locking groove 112 or the second locking groove 113 at this time, so that the locking slide block 7 is limited to move along the axial direction of the sliding sleeve 1.

When the second clamping groove 6 needs to be switched to the first clamping groove 2, the second clamping groove 6 is circumferentially rotated by an angle, so that the locking slide block 7 slides into the sliding groove 111 from the first locking groove 112, then the second clamping groove 6 slides upwards along the axial direction of the sliding sleeve 1, and when the second clamping groove 6 slides to the limit position of the upper end, the second clamping groove 6 is circumferentially rotated by an angle, so that the locking slide block 7 slides into the second locking groove 113, and further the switching between the second clamping groove 6 and the first clamping groove 2 is realized; in this process, the second clamping groove 6 does not need to be detached, and then the first clamping groove 2 is installed, so that the switching efficiency between the clamping grooves is improved.

The scheme can also deal with the situation that the clamping groove is lost after the clamping groove is removed, and meanwhile the problem that the clamping groove forgets to carry can be solved.

In this embodiment, in order to improve the sliding stability of the second card slot 6, in this embodiment, two sets of slide rails 11 are provided, and the two sets of slide rails 11 are distributed on the outer wall of the sliding sleeve 1 at 180 ° and two locking slide blocks 7 are provided and respectively inserted into the slide rails 11 on the corresponding side, so as to improve the sliding stability of the second card slot 6.

The sliding rails 11 may be arranged in three groups, four groups, five groups, etc., and the sliding rails 11 are circumferentially distributed around the sliding sleeve 1, and a corresponding number of locking sliding blocks 7 are installed in the extending holes 61.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. A novel coating thickness gauge probe comprises a sliding sleeve (1), a first clamping groove (2) and a second clamping groove (6); v-shaped bayonets are arranged on the first clamping groove (2) and the second clamping groove (6), and the V-shaped bayonet is characterized in that: the utility model provides a sliding sleeve, including sliding sleeve (1), sliding sleeve (1) is installed to first draw-in groove (2), the outer wall of sliding sleeve (1) is equipped with slide rail (11) that set up along sliding sleeve (1) axial, slide rail (11) include the slip part that the axial set up and with the locking part of slip part intercommunication, locking part locates the outer wall of sliding sleeve (1) just is circumference setting, locking part is including first locking groove (112) that are close to first draw-in groove (2) one side and keep away from second locking groove (113) of first draw-in groove (2) one side, second draw-in groove (6) cover is established the sliding sleeve (1) outside, be equipped with on second draw-in groove (6) and peg graft locking slider (7) in slide rail (11), locking slider (7) are located when first locking groove (112), first draw-in groove (2) are located the inside of second draw-in groove (6), locking slider (7) are located second draw-in groove (113) outside (6).

2. The novel coating thickness gauge probe of claim 1, wherein: the sliding part comprises a sliding groove (111), the sliding groove (111) is arranged on the outer wall of the sliding sleeve (1) and is arranged along the axial direction of the sliding sleeve (1), and the first locking groove (112) and the second locking groove (113) are communicated with the sliding groove (111).

3. The novel coating thickness gauge probe of claim 1, wherein: an extension hole (61) for the sliding sleeve (1) to pass through is formed in the second clamping groove (6), and the locking sliding block (7) is arranged on the inner wall of the extension hole (61).

4. A novel coating thickness gauge probe according to claim 3, wherein: the sliding rails (11) are at least provided with two groups and are distributed along the circumferential direction of the sliding sleeve (1), and the number of the locking sliding blocks (7) is matched with the number of the sliding rails (11).

5. The novel coating thickness gauge probe of claim 1, wherein: the inner wall of sliding sleeve (1) is equipped with the internal thread, the outer wall of first draw-in groove (2) is equipped with the external screw thread, the external screw thread of first draw-in groove (2) is connected with the internal screw thread of sliding sleeve (1).

6. The novel coating thickness gauge probe of claim 5, wherein: the first clamping groove (2) is provided with a through hole (21), and the sliding sleeve (1) is internally provided with a probe (4) extending out of the through hole (21).

7. The novel coating thickness gauge probe of claim 6, wherein: the inner wall of the sliding sleeve (1) is fixedly provided with a limiting ring (12), the end part of the probe (4) is fixedly provided with a positioning plate (41) propped against the top of the first clamping groove (2), and a pressure spring (5) is arranged between the limiting ring (12) and the positioning plate (41).

8. The novel coating thickness gauge probe of claim 7, wherein: the positioning plate (41) is fixedly provided with a guide pipe (42) axially arranged along the sliding sleeve (1), the top of the guide pipe (42) penetrates through the limiting ring (12), and the compression spring (5) is sleeved on the outer side of the guide pipe (42).

9. The novel coating thickness gauge probe of claim 6, wherein: the top threaded connection of sliding sleeve (1) has entrance hole cover (3), be equipped with on entrance hole cover (3) with sliding sleeve (1) inner chamber intercommunication entrance hole (31).