CN214039827U - Variable-diameter deep hole inner diameter measuring tool - Google Patents
Variable-diameter deep hole inner diameter measuring tool Download PDFInfo
- Publication number
- CN214039827U CN214039827U CN202022596901.5U CN202022596901U CN214039827U CN 214039827 U CN214039827 U CN 214039827U CN 202022596901 U CN202022596901 U CN 202022596901U CN 214039827 U CN214039827 U CN 214039827U
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- Prior art keywords
- rod
- rod piece
- deep hole
- support rod
- wall
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- Expired - Fee Related
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- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a diameter-variable deep hole inner diameter measuring tool, which comprises a rod piece, wherein an inner hole is arranged inside the rod piece, the inner hole upwards penetrates through the rod piece, a chute is arranged at the outer wall of the rod piece, the chute is communicated with the inner hole, a slide block is arranged in the inner hole, a movable support rod is arranged at the outer wall of the slide block, the movable support rod extends outwards after passing through the chute, and the movable support rod is in transition fit with the chute; a fixed support rod is arranged on the outer wall of the rod piece; this device adopts the cooperation form of fixed branch and activity branch, and the degree of depth that can insert is great, is convenient for realize the measurement of deep hole.
Description
Technical Field
The utility model relates to a variable diameter deep hole internal diameter measuring tool.
Background
The aperture is mainly measured by using a vernier caliper, but the measuring end of the vernier caliper is relatively short, so that the vernier caliper can only be used for measuring inner holes with consistent inner diameters, and the inner holes can not be effectively measured by the vernier caliper when the size of the inner holes changes or deep holes are formed.
Therefore, the measuring tool for the inner diameter of the variable-diameter deep hole is specially designed, wherein the measuring tool is large in measuring depth and can measure the variable-diameter deep hole.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a measuring depth is great, and can measure the variable diameter deep hole internal diameter measuring tool of variable diameter deep hole.
In order to solve the above problem, the utility model adopts the following technical scheme:
a measuring tool for the inner diameter of a variable-diameter deep hole comprises a rod piece, wherein an inner hole is formed in the rod piece and penetrates through the rod piece upwards, a sliding groove is formed in the outer wall of the rod piece and is communicated with the inner hole, a sliding block is arranged in the inner hole, a movable supporting rod is arranged on the outer wall of the sliding block and extends outwards after passing through the sliding groove, and the movable supporting rod and the sliding groove are in transition fit; a fixed support rod is arranged on the outer wall of the rod piece and is parallel to the movable support rod, rollers are arranged at the ends, far away from the rod piece, of the fixed support rod and the movable support rod, an inserting rod is arranged at the axis of the upper end of the sliding block and extends to the outside of the rod piece, an end cover is connected to the upper end of the rod piece in a threaded mode, a spring is arranged on the inserting rod and acts between the sliding block and the end cover; scales are arranged on the rod piece; and a pointer is arranged at the bottom of the movable supporting rod and corresponds to the scale.
Preferably, the upper end of the plunger is machined to form a tapered end.
Preferably, a first scale is processed on the body of the inserted link, and the first scale takes the tip of the conical end as a reference; in the structure, the inserting rod is inserted into the counter bore, so that the depth of the counter bore can be measured.
Preferably, the roller is a rubber roller; the rubber roller can avoid causing the fish tail to the inner wall of deep hole.
Preferably, the rod is provided with a handle slot at a position close to the lower end; the handle groove is arranged to facilitate the control of the rod piece.
The measuring mode of the device is as follows:
firstly, moving the movable supporting rod upwards, compressing the spring by the sliding block, then inserting the two rollers into the hole to be measured, inserting the rollers along the hole, rebounding the spring, respectively acting the two rollers on the hole wall of the inner hole, and then determining the inner diameter of the hole at the depth according to the position pointed by the pointer. The gyro wheel slidable can be as required, and the bore diameter of the different depth positions department of internal bore is measured.
The utility model has the advantages that:
1) the device adopts the matching form of the fixed supporting rod and the movable supporting rod, has larger insertable depth and is convenient for realizing the measurement of the deep hole;
2) in the device, the movable support rod can elastically displace, so that the elastic support rod can rebound according to the aperture of the inner hole, and two rollers act on the inner wall of the deep hole;
3) the roller is rollable, so that the inner diameters of the holes at different depth positions can be measured;
4) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the slider.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 and 2, the variable-diameter deep-hole inner diameter measuring tool includes a rod member 1, an inner hole (not shown) is arranged inside the rod member 1, the inner hole upwardly penetrates through the rod member 1, a sliding groove 101 is arranged on an outer wall of the rod member 1, the sliding groove 101 is communicated with the inner hole, a sliding block 2 is arranged in the inner hole, a movable support rod 3 is arranged on an outer wall of the sliding block 2, the movable support rod 3 extends outwards after passing through the sliding groove 101, and the movable support rod 3 is in transition fit with the sliding groove 101; a fixed support rod 4 is arranged on the outer wall of the rod member 1, the fixed support rod 4 is parallel to the movable support rod 3, rollers 5 are arranged at the ends, far away from the rod member, of the fixed support rod 4 and the movable support rod 3, an insertion rod 6 is arranged at the axis of the upper end of the sliding block 2, the insertion rod 6 extends to the outside of the rod member 1, an end cover 7 is connected to the upper end of the rod member 1 in a threaded manner, a spring 8 is arranged on the insertion rod 6, and the spring 8 acts between the sliding block 2 and the end cover 7; scales 121 are arranged on the rod member 1; a pointer 331 is disposed at the bottom of the movable support rod 3, and the pointer 331 corresponds to the scale 121.
In a preferred embodiment of the present invention, the upper end of the insertion rod 6 is processed to form a tapered end 611.
In a preferred embodiment of the present invention, a first scale 612 is processed on the body of the insertion rod 6, and the first scale takes the tip of the tapered end as a reference; in the structure, the inserting rod is inserted into the counter bore, so that the depth of the counter bore can be measured.
In a preferred embodiment of the present invention, the roller 5 is a rubber roller; the rubber roller can avoid causing the fish tail to the inner wall of deep hole.
In a preferred embodiment of the present invention, the rod member 1 is provided with a handle groove 133 at a position near the lower end; the handle groove is arranged to facilitate the control of the rod piece.
The measuring mode of the device is as follows:
firstly, moving the movable supporting rod upwards, compressing the spring by the sliding block, then inserting the two rollers into the hole to be measured, inserting the rollers along the hole, rebounding the spring, respectively acting the two rollers on the hole wall of the inner hole, and then determining the inner diameter of the hole at the depth according to the position pointed by the pointer. The gyro wheel slidable can be as required, and the bore diameter of the different depth positions department of internal bore is measured.
The utility model has the advantages that:
1) the device adopts the matching form of the fixed supporting rod and the movable supporting rod, has larger insertable depth and is convenient for realizing the measurement of the deep hole;
2) in the device, the movable support rod can elastically displace, so that the elastic support rod can rebound according to the aperture of the inner hole, and two rollers act on the inner wall of the deep hole;
3) the roller is rollable, so that the inner diameters of the holes at different depth positions can be measured;
4) the structure of this device is comparatively simple, and the cost is comparatively cheap, is fit for using widely.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a variable diameter deep hole internal diameter measuring tool which characterized in that: the inner hole is arranged in the rod piece and penetrates through the rod piece upwards, a sliding groove is arranged on the outer wall of the rod piece and is communicated with the inner hole, a sliding block is arranged in the inner hole, a movable supporting rod is arranged on the outer wall of the sliding block and extends outwards after passing through the sliding groove, and the movable supporting rod and the sliding groove are in transition fit; a fixed support rod is arranged on the outer wall of the rod piece and is parallel to the movable support rod, rollers are arranged at the ends, far away from the rod piece, of the fixed support rod and the movable support rod, an inserting rod is arranged at the axis of the upper end of the sliding block and extends to the outside of the rod piece, an end cover is connected to the upper end of the rod piece in a threaded mode, a spring is arranged on the inserting rod and acts between the sliding block and the end cover; scales are arranged on the rod piece; and a pointer is arranged at the bottom of the movable supporting rod and corresponds to the scale.
2. The variable diameter deep hole inside diameter gauge of claim 1, wherein: the upper end of the inserted link is machined to form a tapered end.
3. The variable diameter deep hole inside diameter gauge of claim 2, wherein: and a first scale is processed on the rod body of the inserted rod, and the first scale takes the tip of the conical end as a reference.
4. The variable diameter deep hole inside diameter gauge of claim 1, wherein: the roller is a rubber roller.
5. The variable diameter deep hole inside diameter gauge of claim 1, wherein: the rod piece is provided with a handle groove at the position close to the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596901.5U CN214039827U (en) | 2020-11-11 | 2020-11-11 | Variable-diameter deep hole inner diameter measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022596901.5U CN214039827U (en) | 2020-11-11 | 2020-11-11 | Variable-diameter deep hole inner diameter measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214039827U true CN214039827U (en) | 2021-08-24 |
Family
ID=77358634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022596901.5U Expired - Fee Related CN214039827U (en) | 2020-11-11 | 2020-11-11 | Variable-diameter deep hole inner diameter measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214039827U (en) |
-
2020
- 2020-11-11 CN CN202022596901.5U patent/CN214039827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |