CN221147454U

CN221147454U - Diameter measuring equipment

Info

Publication number: CN221147454U
Application number: CN202323299479.7U
Authority: CN
Inventors: 李娟�; 胡成成
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2024-06-14
Anticipated expiration: 2033-12-05

Abstract

The utility model provides a diameter measuring device which comprises a sliding cylinder, wherein one side, far away from an opening, of the sliding cylinder is fixedly connected with a guide wheel, an ejection spring is arranged in the sliding cylinder, the tail end of the ejection spring is attached to a sliding block, the other side of the sliding block is fixedly connected with a sliding rod, one end, sliding out of the sliding cylinder, of the sliding rod is fixedly connected with the guide wheel through a mounting rod, a scale mark line is arranged on the outer side of the sliding rod, a supporting cylinder is fixedly connected in the vertical direction of the axis of the sliding cylinder, a positioning rod is connected in the supporting cylinder in a sliding mode, the sliding cylinder and one end of the mounting rod are provided with the guide wheel, the guide wheel is arranged in an annular structure to roll, and then the sliding cylinder can automatically move to the middle position of the inner diameter of an inner ring, and the scale mark line arranged on the outer side of the sliding rod in a matched mode achieves the purpose of measuring the inner diameter of the annular structure.

Description

Diameter measuring equipment

Technical Field

The utility model relates to a diameter measuring device, and relates to the field of measuring devices.

Background

In the prior art, when the inner diameter of a large-size annular structure is measured, the inner diameter of the annular structure cannot be measured by a professional scale, and the diameter of the annular structure cannot be measured in the measuring process, so that the measurement is inaccurate, and a new measuring structure is needed to solve the problem.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide the diameter measuring equipment which solves the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a diameter measuring equipment, includes the slide cylinder, one side that the open-ended was kept away from to the slide cylinder is connected fixedly with the leading wheel, the inside of slide cylinder is provided with ejection spring, ejection spring's end is laminated mutually with the sliding block, the opposite side of sliding block is connected fixedly with the slide bar, the one end of slide bar roll-off slide cylinder is connected fixedly with the leading wheel via the installation pole, the outside of slide bar is provided with the scale marking.

Further, a supporting cylinder is fixedly connected to the vertical direction of the axis of the sliding cylinder, a positioning rod is connected to the inside of the supporting cylinder in a sliding manner, a positioning structure is arranged on the side face of the positioning cylinder, and the positioning structure penetrates through the positioning cylinder to be clamped with a positioning hole arranged on the side face of the positioning rod.

Further, the positioning holes distributed on the positioning rod are provided with a plurality of positioning holes which are arrayed at equal intervals along the central axis of the positioning rod.

Further, a side edge is arranged at the opening of the sliding cylinder, and an inner ring of the side edge is in sliding connection with an outer ring of the sliding rod.

Further, location structure includes the positioning tube, the outside of positioning tube is provided with the external screw thread, and the external screw thread that distributes in the positioning tube outside closes with the screw that sets up in the support tube outside mutually, the inside sliding connection of positioning tube has the slip post, one side and the jack post of slip post are connected fixedly, the jack post passes the positioning tube and sets up the locating hole looks joint in the locating lever side, the opposite side and the connecting rod of slip post are connected fixedly, the connecting rod passes the positioning tube and sets up, reset spring is equipped with to the outside cover of connecting rod, reset spring's one end is laminated mutually with the surface of slip post, reset spring's the other end is laminated mutually with the inner wall of positioning tube.

Further, the connecting rod penetrates through one end of the positioning cylinder to be connected and fixed with the pulling disc, and the pulling disc is of a disc-shaped structure.

The utility model has the beneficial effects that: the guide wheel is arranged at one end of the sliding cylinder and one end of the mounting rod, and rolls in the annular structure through the guide wheel, so that the guide wheel can automatically move to the middle position of the inner diameter of the inner ring, and the purpose of measuring the inner diameter of the annular structure is achieved by matching with scale marks positioned on the outer side of the sliding rod;

the support cylinder and the positioning rod which are positioned at one side of the sliding cylinder are in sliding connection, and the inner diameter size of the annular structures with different heights can be measured through the design, so that the requirement of measuring the inner ring structures with different heights is met;

Under reset spring's effect, the slip post drives the jack-prop and stretches out the positioning tube, and the jack-prop stretches into the locating hole on the locating lever, makes through this design and can convenient and fast fix after adjusting the distance between support tube and the locating lever, and then has reduced the fixed required time between support tube and the locating lever by a wide margin.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a caliper apparatus according to the present utility model;

FIG. 2 is a cross-sectional view of a sliding cartridge in a caliper apparatus according to the present utility model;

FIG. 3 is a cross-sectional view of a positioning structure in a caliper apparatus according to the present utility model;

In the figure: 1-guide wheel, 2-slide cylinder, 3-slide bar, 4-installation pole, 5-scale mark line, 6-support cylinder, 7-location structure, 8-locating hole, 9-locating bar, 10-ejection spring, 11-sliding block, 12-side, 71-pull disc, 72-location cylinder, 73-jack post, 74-slide post, 75-reset spring, 76-connecting rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a diameter measuring equipment, including slide tube 2, slide tube 2 is kept away from open-ended one side and is connected fixedly with leading wheel 1, slide tube 2's inside is provided with ejection spring 10, ejection spring 10's end is laminated mutually with sliding block 11, sliding block 11's opposite side is connected fixedly with sliding rod 3, sliding rod 3 roll-off slide tube 2's one end is connected fixedly with leading wheel 1 through installation pole 4, sliding rod 3's outside is provided with scale marking 5, through installing leading wheel 1 in slide tube 2 and installation pole 4's one end, roll in annular structure's inside through leading wheel 1, and then can move the internal diameter intermediate position of inner ring by oneself, the cooperation is located the scale marking 5 in the outside of sliding rod 3 and reaches the purpose of measuring annular structure internal diameter, this design is great has improved measurement of efficiency.

Referring to fig. 2, a support cylinder 6 is fixedly connected in the vertical direction of the axis of the sliding cylinder 2, a positioning rod 9 is slidably connected in the support cylinder 6, a positioning structure 7 is mounted on the side surface of the positioning cylinder 72, the positioning structure 7 passes through the positioning cylinder 72 and is clamped with positioning holes 8 formed in the side surface of the positioning rod 9, the positioning holes 8 distributed on the positioning rod 9 are provided with a plurality of positioning holes 8 which are arrayed along the central axis of the positioning rod 9 at equal intervals, the support cylinder 6 and the positioning rod 9 on one side of the sliding cylinder 2 are slidably connected, and the inner diameter sizes of annular structures with different heights can be measured through the design, so that the measuring requirement of the inner ring structures with different heights is met.

The opening part of the sliding cylinder 2 is provided with a side edge 12, the inner ring of the side edge 12 is in sliding connection with the outer ring of the sliding rod 3, and the sliding rod 3 can be prevented from sliding out of the sliding cylinder 2 by the design of the side edge 12.

Referring to fig. 3, the positioning structure 7 includes a positioning cylinder 72, an external thread is disposed on the outer side of the positioning cylinder 72, the external thread distributed on the outer side of the positioning cylinder 72 is screwed with a screw hole disposed on the outer side of the supporting cylinder 6, a sliding column 74 is slidably connected in the positioning cylinder 72, one side of the sliding column 74 is fixedly connected with the top column 73, the top column 73 passes through the positioning cylinder 72 and is clamped with a positioning hole 8 disposed on the side surface of the positioning rod 9, the other side of the sliding column 74 is fixedly connected with a connecting rod 76, the connecting rod 76 passes through the positioning cylinder 72 for setting, a return spring 75 is sleeved on the outer side of the connecting rod 76, one end of the return spring 75 is attached to the surface of the sliding column 74, the other end of the return spring 75 is attached to the inner wall of the positioning cylinder 72, the sliding column 74 drives the top column 73 to extend out of the positioning cylinder 72 under the action of the return spring 75, and the top column 73 extends into the positioning hole 8 on the positioning rod 9.

The specific embodiment is as follows: when the device is used, the pull disc 71 is pulled firstly, the connecting rod 76 is driven to move through the pulling of the pull disc 71, the reset spring 75 is compressed to deform, the sliding column 74 drives the jacking column 73 to extend into the positioning cylinder 72, the supporting cylinder 6 is lifted upwards, the pull disc 71 is loosened after the supporting cylinder 6 moves to a proper position, under the action of the reset spring 75, the sliding column 74 drives the jacking column 73 to extend out of the positioning cylinder 72 and be clamped into the positioning hole 8 on the side face of the positioning rod 9, the inner diameter size of the annular structure with different heights can be measured through the design in a sliding connection mode between the supporting cylinder 6 and the positioning rod 9, the inner diameter size of the annular structure with different heights can be further met, then the sliding cylinder 2 and the sliding rod 3 are rotated, the guide wheel 1 rolls in the annular structure under the action of the ejection spring 10 in the sliding cylinder 2, the inner diameter middle position of the inner ring can be automatically moved, the inner diameter of the annular structure is measured by matching with the scale marks 5 on the outer side of the sliding rod 3, and the measuring efficiency of the annular structure is greatly improved.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A calliper comprising a sliding drum (2), characterized in that: one side of the sliding cylinder (2) away from the opening is connected and fixed with the guide wheel (1), an ejection spring (10) is arranged in the sliding cylinder (2), the tail end of the ejection spring (10) is attached to a sliding block (11), the other side of the sliding block (11) is connected and fixed with a sliding rod (3), one end of the sliding rod (3) sliding out of the sliding cylinder (2) is connected and fixed with the guide wheel (1) through a mounting rod (4), and a scale mark line (5) is arranged on the outer side of the sliding rod (3).

2. The calliper apparatus of claim 1, wherein: the sliding cylinder (2) is fixedly connected with a supporting cylinder (6) in the vertical direction of the axis, a positioning rod (9) is connected in the supporting cylinder (6) in a sliding mode, a positioning structure (7) is arranged on the side face of the positioning cylinder (72), and the positioning structure (7) penetrates through the positioning cylinder (72) to be clamped with a positioning hole (8) arranged on the side face of the positioning rod (9).

3. The calliper apparatus of claim 1, wherein: the positioning holes (8) distributed on the positioning rod (9) are provided with a plurality of positioning holes (8) which are arrayed along the central axis of the positioning rod (9) at equal intervals.

4. The calliper apparatus of claim 1, wherein: the sliding rod is characterized in that a side edge (12) is arranged at the opening of the sliding cylinder (2), and the inner ring of the side edge (12) is in sliding connection with the outer ring of the sliding rod (3).

5. The calliper apparatus of claim 2, wherein: the utility model provides a location structure (7) is including locating cylinder (72), the outside of locating cylinder (72) is provided with the external screw thread, and the external screw thread that distributes in the locating cylinder (72) outside closes with the screw that sets up in the support cylinder (6) outside mutually, the inside sliding connection of locating cylinder (72) has sliding column (74), one side and jack post (73) of sliding column (74) are connected fixedly, jack post (73) pass locating cylinder (72) and set up locating hole (8) looks joint in locating lever (9) side, the opposite side and the connecting rod (76) of sliding column (74) are connected fixedly, connecting rod (76) are passed locating cylinder (72) and are set up, reset spring (75) are equipped with to the outside cover of connecting rod (76), reset spring (75) one end is laminated with the surface of sliding column (74), the other end and the inner wall of locating cylinder (72) are laminated mutually.

6. The calliper apparatus of claim 5, wherein: one end of the connecting rod (76) penetrates through the positioning cylinder (72) to be connected and fixed with the pulling disc (71), and the pulling disc (71) is of a disc-shaped structure.