CN216925414U

CN216925414U - Depth internal diameter measuring scale convenient to store

Info

Publication number: CN216925414U
Application number: CN202220318114.0U
Authority: CN
Inventors: 杨云贵; 杨韵; 徐宗辉
Original assignee: Sichuan Yonggu Public Safety Equipment Testing Co ltd
Current assignee: Sichuan Yonggu Public Safety Equipment Testing Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-08
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a depth inner diameter measuring scale convenient to store, belonging to an inner diameter measuring device in the technical field of instrument measurement, and the technical scheme is that the depth inner diameter measuring scale comprises a fixed chuck, a scale rod vertically connected with the fixed chuck, and an adjusting head arranged on the scale rod in a sliding manner, wherein the upper end of the fixed chuck is provided with a detachable curved surface clamping rod, and the lower end of the fixed chuck is provided with a detachable long-groove short-rod measuring head; a floating measuring plate is arranged at one end of the adjusting head, which is at the same side with the curved surface clamping rod, and a short-groove long rod measuring head is arranged at one end of the adjusting head, which is at the same side with the long-groove short rod measuring head; the floating measuring plate and the short-groove long-rod measuring head are detachably connected with the adjusting head; the utility model provides a depth inner diameter measuring scale convenient to store, which is used for measuring a deeper depth inner diameter and an inner spherical surface inner diameter.

Description

Depth internal diameter measuring scale convenient to store

Technical Field

The utility model belongs to the technical field of instrument measurement, and particularly relates to a depth inner diameter measuring scale convenient to store.

Background

In industrial production, it is often necessary to measure the inner diameter of a part, and the prior art is to measure the inner diameter by a vernier caliper. In the measuring instrument family of the shape and color, a vernier caliper is used as a high-precision measuring tool which is widely used, and is an extension and expansion of a ruling ruler, but the existing vernier caliper can only measure the end surface inner diameter of a part to be measured, cannot measure the inner middle position of a longer part or the bottom inner diameter of the part with a groove, and is limited in application range.

Therefore, for the measurement of the inner diameter of a deeper workpiece or the inner diameter of a workpiece with a curved inner wall, an inner diameter measuring scale which can meet the requirements of the measurement of the inner diameter of the deeper workpiece and the measurement of the inner diameter of the curved surface is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a depth inner diameter measuring scale convenient to store, which realizes the measurement of a deeper depth inner diameter and the measurement of an inner spherical surface inner diameter by arranging a detachable curved clamping rod and a long and short rod measuring head on a fixed clamping head, arranging a detachable floating measuring plate and a short groove long rod measuring head on an adjusting head, matching the curved clamping rod and the long and short rod measuring head, and matching the floating measuring plate and the short groove long rod measuring head.

In order to achieve the purpose, the utility model adopts the technical scheme that: the measuring device comprises a fixed chuck, a scale rod vertically connected with the fixed chuck and an adjusting head arranged on the scale rod in a sliding manner, wherein the upper end of the fixed chuck is provided with a detachable curved clamping rod, and the lower end of the fixed chuck is provided with a detachable long-groove short-rod measuring head; a floating measuring plate is arranged at one end of the adjusting head, which is at the same side as the curved surface clamping rod, and a short-groove long-rod measuring head is arranged at one end of the adjusting head, which is at the same side as the long-groove short-rod measuring head; the floating measuring plate and the short-groove long-rod measuring head are detachably connected with the adjusting head.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the fixed chuck is arranged at the end part of the scale rod, the fixed chuck realizes the positioning of one side of the measured inner diameter, and the adjusting head which is arranged on the scale rod in a sliding way realizes the positioning of the other side of the measured inner diameter through the adjustment on the scale rod, so that after the positioning is carried out in the measured inner diameter, the accurate measurement of the measured inner diameter is realized through the reading of the adjusting head on the position of the scale rod after the adjustment and the fixation; furthermore, as the detachable curved clamping rod is arranged on the fixed chuck, the floating measuring plate is arranged on one side of the adjusting head close to the curved clamping rod, and the measurement of the inner diameter of the curved surface on one side and the spherical surface on one side is realized by adjusting the relative distance between the curved clamping rod and the floating measuring plate; a detachable long-groove short-rod measuring head is arranged on the lower side of the fixed chuck, a detachable short-groove long-rod measuring head is arranged on one side, close to the long-groove short-rod measuring head, of the adjusting head, and distance determination after positioning of the inner diameter of the conventional curved surface is achieved between the long-groove short-rod measuring head and the short-groove long-rod measuring head, so that the inner diameter of the conventional curved surface is measured; in addition, the long-groove short-rod measuring head and the short-groove long-rod measuring head are matched to realize the detection of the inner diameter with deeper depth; meanwhile, the curved clamping rod and the long-groove short-rod measuring head are detachably connected on the fixing clamping head, the floating measuring plate and the short-groove long-rod measuring head are detachably connected with the adjusting head, corresponding parts are installed when corresponding measuring functions are needed, when measurement is not needed, all limiting assemblies can be detached when the measuring scale is stored, and therefore the measuring scale is stored conveniently and integrally.

2. According to the utility model, the curved surface clamping rod, the long-groove short-rod measuring head, the short-groove long-rod measuring head, the floating measuring plate and the scale rod are arranged on the same plane, so that the inner diameters of different measurement requirements can be measured by adjusting the adjusting head on the scale rod relative to the fixed clamping head, and the structure is regular, simple and convenient to operate.

3. According to the utility model, the curved surface clamping rod is arranged into the clamping joint connected with the fixed clamping head and the inclined clamping head arranged on the clamping joint, and the inclined clamping head has a certain included angle relative to a central shaft in the vertical direction of the clamping joint, so that the inclined clamping head is tightly contacted with the inner wall in the inner diameter to realize the positioning of the curved surface relative to the spherical inner diameter, and meanwhile, the floating measuring plate on the adjusting head is matched with the inclined clamping head on the measured inner diameter to realize the measurement of the inner diameter with a certain spherical surface or hollow cavity.

4. According to the utility model, the bottom of the locking screw rod penetrates through the adjusting head and can be tightly attached to the scale rod, and the elastic locking component is arranged on one side of the adjusting head, which is far away from the fixed chuck, so that the adjusting head is fixed on the scale rod after being adjusted by the elastic locking component, and accurate reading of the determined inner diameter size is facilitated; more specifically, the locking screw rod realizes relative telescopic limiting in the telescopic channel through the rotation control of the threads, and the locking screw rod can realize pressing and clinging to the scale rod after being screwed in the adjusting head, so that the adjusting head is relatively locked on the scale rod.

5. According to the utility model, the long-groove short-rod measuring head is detachably connected under the connecting action of the clamping tenon and the fixed chuck, so that the long-groove short-rod measuring head is conveniently detached from the fixed chuck.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of the measuring scale of the present invention;

FIG. 2 is a schematic view of the elastic ball-catching assembly of the present invention;

FIG. 3 is a schematic view of the construction of the elastic locking assembly of the present invention;

fig. 4 is a schematic structural view of a curved clamping rod according to the present invention.

The labels in the figure are: 1-fixed chuck, 2-graduated rod, 3-adjusting head, 4-curved clamping rod, 5-long and short rod measuring head, 6-floating measuring plate, 7-short long rod measuring head, 8-clamping joint, 9-inclined chuck, 10-elastic locking component, 11-telescopic channel, 12-locking screw rod, 13-compression spring, 14-annular groove, 15-annular table, 16-threaded part, 17-chute, 18-first sliding clamping rod, 19-auxiliary chute, 20-second sliding clamping rod, 21-clamping tenon, 22-elastic clamping ball component, 23-elastic groove, 24-auxiliary compression spring, 25-clamping ball, 26-mounting groove and 27-ball groove.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

A depth inner diameter measuring scale convenient to store comprises a fixed chuck 1, a scale rod 2 vertically connected with the fixed chuck 1, and an adjusting head 3 arranged on the scale rod 2 in a sliding manner, wherein the upper end of the fixed chuck 1 is provided with a detachable curved surface clamping rod 4, and the lower end of the fixed chuck 1 is provided with a detachable long-groove short-rod measuring head 5; a floating measuring plate 6 is arranged at one end of the adjusting head 3 on the same side with the curved surface clamping rod 4, and a short-groove long-rod measuring head 7 is arranged at one end of the adjusting head 3 on the same side with the long-groove short-rod measuring head 5; the floating measuring plate 6 and the short-groove long-rod measuring head 7 are detachably connected with the adjusting head 3; the fixed chuck 1 is arranged at the end part of the scale rod 2, the fixed chuck 1 realizes the positioning of one side of the measured inner diameter, and the adjusting head 3 which is arranged on the scale rod 2 in a sliding way realizes the positioning of the other side of the measured inner diameter through the adjustment on the scale rod 2, so that after the positioning is carried out in the measured inner diameter, the reading of the fixed position of the adjusting head 3 on the scale rod 2 is adjusted, and the accurate measurement of the measured inner diameter is realized; furthermore, as the detachable curved clamping rod 4 is arranged on the fixed clamping head 1, the floating measuring plate 6 is arranged on one side of the adjusting head 3 close to the curved clamping rod 4, and the measurement of the inner diameter of the curved surface on one side and the spherical surface on one side is realized by adjusting the relative distance between the curved clamping rod 4 and the floating measuring plate 6; a detachable long-groove short-rod measuring head 5 is arranged on the lower side of the fixed chuck 1, a detachable short-groove long-rod measuring head 7 is arranged on one side, close to the long-groove short-rod measuring head 5, of the adjusting head 3, and distance determination after positioning of the conventional curved surface inner diameter is achieved between the long-groove short-rod measuring head 5 and the short-groove long-rod measuring head 7, so that the inner diameter of the conventional curved surface is measured; in addition, the long-groove short-rod measuring head 5 and the short-groove long-rod measuring head 7 are matched to realize the detection of the inner diameter with deeper depth; meanwhile, because the curved surface clamping rod 4 and the long groove short rod measuring head 5 are detachably connected on the fixed clamping head 1, the floating measuring plate 6 and the short groove long rod measuring head 7 are detachably connected with the adjusting head 3, when corresponding measuring functions are needed, corresponding parts are installed, when measurement is not needed, all limiting assemblies can be detached when storage is carried out, and the storage is convenient and fast to the whole measuring scale.

The curved surface clamping rod 4, the long groove short rod measuring head 5, the short groove long rod measuring head 7, the floating measuring plate 6 and the scale rod 2 are arranged on the same plane; through being located the coplanar setting with curved surface chucking pole 4, long slot quarter-bar gauge head 5, short slot quarter-bar gauge head 7, unsteady gage plate 6 and scale bar 2 for through the regulation to adjusting head 3 relatively fixed dop 1 on scale bar 2, can realize measuring the internal diameter of different measurement demands, its structure is regular simple and is convenient for operate.

The long groove short rod measuring head 5, the short groove long rod measuring head 7 and the floating measuring plate 6 are all arranged perpendicular to the scale rod 2.

Curved surface chucking pole 4 includes that the chucking that is connected with fixed dop 1 connects 8, sets up slope dop 9 on chucking connects 8, the contained angle that slope dop 9 and the chucking connect 8 ascending center pins in the vertical direction is: 0-60 °; owing to set up curved surface chucking pole 4 into the chucking that is connected with fixed dop 1 and connect 8, the slope dop 9 of setting on chucking connects 8, the relative chucking of slope dop 9 connects 8 vertical ascending center pins in side to have certain contained angle, consequently, the contact of slope dop 9 on the inner wall is hugged closely and can be realized the location to relative sphere internal diameter curved surface in the internal diameter, meanwhile, the cooperation of survey board 6 and slope dop 9 of floating on the regulation head 3 on being surveyed the internal diameter, the realization is to having the measurement of the internal diameter of certain sphere or pothole.

An elastic locking assembly 10 is arranged on one side, away from the fixed chuck 1, of the adjusting head 3, and the elastic locking assembly 10 comprises a telescopic channel 11 arranged in the vertical direction and a locking screw 12 in threaded connection with the telescopic channel 11; a compression spring 13 is arranged in the middle of the telescopic channel 11, the bottom of the compression spring 13 is tightly attached to a ring groove 14 arranged at the bottom of the telescopic channel 11, and the top of the compression spring 13 is tightly attached to the lower part of a ring platform 15 of the locking screw 12; the bottom of the locking screw 12 penetrates through the fixed chuck 1 and can be closely attached to the scale rod 2; the bottom of the locking screw 12 penetrates through the adjusting head 3 and can be tightly attached to the scale rod 2, an elastic locking assembly 10 is arranged on one side, away from the fixed chuck 1, of the adjusting head 3, and the elastic locking assembly 10 realizes the fixing of the adjusting head 3 on the scale rod 2 after adjustment, so that the accurate reading of the determined inner diameter size is facilitated; more specifically, the locking screw 12 is controlled by the rotation of the thread to realize relative telescopic limit in the telescopic channel 11, and the locking screw 12 can realize pressing down and clinging to the scale rod 2 after being screwed in the adjusting head 3, thereby realizing relative locking of the adjusting head 3 on the scale rod 2.

The upper end of the locking screw 12 is a thread part 16, and the upper end of the adjusting head 3 is provided with internal threads and is in threaded connection with the locking screw 12.

The long groove short rod measuring head 5 is provided with a sliding groove 17 in the length direction, a first sliding clamping rod 18 is arranged in the sliding groove 17 in a sliding mode, the short groove long rod measuring head 7 is provided with an auxiliary sliding groove 19 in the length direction, and a second sliding clamping rod 20 is arranged in the auxiliary sliding groove 19 in a sliding mode.

The long-groove short-rod measuring head 5 is detachably connected with the fixed chuck 1 through a clamping tenon 21, and an elastic clamping ball assembly 22 is arranged at the vertical position of the clamping tenon 21 in the direction of inserting the fixed chuck 1; the elastic ball clamping assembly 22 comprises an elastic groove 23 arranged in the transverse direction of the clamping tenon 21 and an auxiliary compression spring 24 arranged in the elastic groove 23, the end part of the auxiliary compression spring 24 and the end part of the elastic groove 23 are clamped with a clamping ball 25, and a ball groove 27 matched with the clamping ball 25 is arranged at a position, close to the clamping ball 25, of an installation groove 26 below the fixed chuck 1; through dismantling long slot stub gauge head 5 and be connected under the connecting action of chucking tenon 21 and fixed dop 1, realize dismantling the portable between long slot stub gauge head 5 and the fixed dop 1, more specifically, set up elasticity card ball subassembly 22 in the transverse direction of chucking tenon 21, card ball 25 in elasticity card ball subassembly 22 can have certain spacing shrink's effect on elastic groove 23 under its compression spring 13's effect, card ball 25 can block in the ball groove 27 of looks adaptation, carry out the fixed between the relatively fixed dop 1 of chucking tenon 21, and combine and under the effect of the elastic groove 23 that the transverse direction of chucking tenon set up, realize the installation chucking of chucking tenon 21 whole on mounting groove 26 below fixed dop 1.

Working principle and working process of the utility model

According to the utility model, the fixed chuck 1 is arranged at the end part of the scale rod 2, the fixed chuck 1 realizes the positioning of one side of the measured inner diameter, the adjusting head 3 which is arranged on the scale rod 2 in a sliding way realizes the positioning of the other side of the measured inner diameter through the adjustment on the scale rod 2, and therefore, after the positioning is carried out in the measured inner diameter, the accurate measurement of the measured inner diameter is realized through the reading of the adjusting head 3 on the position of the scale rod 2 after the adjustment and the fixation; furthermore, as the detachable curved clamping rod 4 is arranged on the fixed clamping head 1, the floating measuring plate 6 is arranged on one side of the adjusting head 3 close to the curved clamping rod 4, and the measurement of the inner diameter of the curved surface on one side and the spherical surface on one side is realized by adjusting the relative distance between the curved clamping rod 4 and the floating measuring plate 6; a detachable long-groove short-rod measuring head 5 is arranged on the lower side of the fixed chuck 1, a detachable short-groove long-rod measuring head 7 is arranged on one side, close to the long-groove short-rod measuring head 5, of the adjusting head 3, and distance determination after positioning of the conventional curved surface inner diameter is achieved between the long-groove short-rod measuring head 5 and the short-groove long-rod measuring head 7, so that the inner diameter of the conventional curved surface is measured; in addition, the long-groove short-rod measuring head 5 and the short-groove long-rod measuring head 7 are matched to realize the detection of the inner diameter with deeper depth; meanwhile, because the curved surface clamping rod 4 and the long groove short rod measuring head 5 are detachably connected on the fixed clamping head 1, the floating measuring plate 6 and the short groove long rod measuring head 7 are detachably connected with the adjusting head 3, when corresponding measuring functions are needed, corresponding parts are installed, when measurement is not needed, all limiting assemblies can be detached when storage is carried out, and the storage is convenient and fast to the whole measuring scale.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A depth inner diameter measuring scale convenient to store comprises a fixed chuck (1), a scale rod (2) vertically connected with the fixed chuck (1), and an adjusting head (3) arranged on the scale rod (2) in a sliding manner, and is characterized in that a detachable curved clamping rod (4) is arranged at the upper end of the fixed chuck (1), and a detachable long-groove short-rod measuring head (5) is arranged at the lower end of the fixed chuck (1); a floating measuring plate (6) is arranged at one end of the adjusting head (3) on the same side with the curved surface clamping rod (4), and a short-groove long-rod measuring head (7) is arranged at one end of the adjusting head (3) on the same side with the long-groove short-rod measuring head (5); the floating measuring plate (6) and the short-groove long-rod measuring head (7) are detachably connected with the adjusting head (3).

2. The inner diameter measuring depth ruler convenient for storage according to claim 1, wherein the curved clamping rod (4), the long and short measuring rods (5), the short and long measuring rods (7), the floating measuring plate (6) and the scale rod (2) are arranged on the same plane.

3. The conveniently-stored depth inner diameter measuring scale according to claim 2, wherein the long groove short rod measuring head (5), the short groove long rod measuring head (7) and the floating measuring plate (6) are all arranged perpendicular to the scale rod (2).

4. A depth inside diameter measuring ruler convenient for storage according to any one of claims 1-3, wherein the curved surface clamping rod (4) comprises a clamping joint (8) connected with the fixed clamping head (1), and an inclined clamping head (9) arranged on the clamping joint (8), the inclined clamping head (9) and the central axis of the clamping joint (8) in the vertical direction form an included angle: 0 to 60 degrees.

5. The conveniently-stored depth inner diameter measuring ruler according to claim 4, wherein a side of the adjusting head (3) far away from the fixed chuck (1) is provided with an elastic locking assembly (10), the elastic locking assembly (10) comprises a telescopic channel (11) arranged in a vertical direction, and a locking screw rod (12) in threaded connection with the telescopic channel (11); a compression spring (13) is arranged in the middle of the telescopic channel (11), the bottom of the compression spring (13) is tightly attached to a ring groove (14) in the bottom of the telescopic channel (11), and the top of the compression spring (13) is tightly attached to the lower part of a ring table (15) of the locking screw rod (12); the bottom of the locking screw rod (12) penetrates through the fixed clamping head (1) and can be tightly attached to the scale rod (2).

6. The inner diameter measuring ruler with the depth convenient to store as claimed in claim 5, wherein the upper end of the locking screw rod (12) is a threaded portion (16), and the upper end of the adjusting head (3) is provided with an internal thread and is in threaded connection with the locking screw rod (12).

7. The inner diameter measuring scale with convenient storage according to claim 5, characterized in that the long groove short rod measuring head (5) is provided with a sliding groove (17) in the length direction, the sliding groove (17) is provided with a first sliding clamping rod (18) in a sliding manner, the short groove long rod measuring head (7) is provided with a secondary sliding groove (19) in the length direction, and the secondary sliding groove (19) is provided with a second sliding clamping rod (20) in a sliding manner.

8. The conveniently-stored depth inner diameter measuring scale is characterized in that the long-groove short-rod measuring head (5) is detachably connected with the fixed chuck (1) through a clamping tenon (21), and the clamping tenon (21) is provided with an elastic clamping ball component (22) at a vertical position in the direction of inserting into the fixed chuck (1); elasticity card ball subassembly (22) include elastic groove (23) that set up on chucking tenon (21) transverse direction, set up vice compression spring (24) in elastic groove (23), and the tip of vice compression spring (24) is provided with card ball (25) with elastic groove (23) tip chucking, the position that mounting groove (26) below fixed dop (1) are close to card ball (25) is provided with ball groove (27) with card ball (25) looks adaptation.