CN210374846U - High-precision non-standard part dial gauge - Google Patents
High-precision non-standard part dial gauge Download PDFInfo
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- CN210374846U CN210374846U CN201921538048.2U CN201921538048U CN210374846U CN 210374846 U CN210374846 U CN 210374846U CN 201921538048 U CN201921538048 U CN 201921538048U CN 210374846 U CN210374846 U CN 210374846U
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- measuring
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Abstract
The utility model discloses a high-precision non-standard part dial indicator, which comprises a dial indicator body and a measuring rod, wherein the dial indicator body is provided with a shell and a display cover, the measuring rod is arranged on the shell, the front surface of the measuring rod is provided with an opening, and the display cover covers the opening; the measuring rod comprises a measuring main rod body and a measuring ball cylinder body, the measuring main rod body is positioned on one side of the measuring ball cylinder body and is connected with the shell, the measuring main rod body is cylindrical and is provided with a cavity with an opening facing the measuring ball cylinder body, and a limiting channel is formed in the measuring main rod body; the measuring ball cylinder comprises a measuring cylinder body and a ball body, the measuring cylinder body is connected to the end of the ball body and matched with the measuring main rod body, and a limiting block is installed on the outer side face of the measuring cylinder body. The utility model discloses a stability, measurement accuracy are high, when measuring the cylinder and appearing wearing and tearing in long-term use, can conveniently realize the change to it, precision when ensureing to measure the object.
Description
Technical Field
The utility model relates to a non-standard part measures technical field, specifically is a non-standard part amesdial of high accuracy.
Background
A dial gauge is a length measuring instrument that converts a general linear displacement (linear motion) into a rotational motion of a pointer through a gear or a lever, and then performs a reading on a dial. Dial gauges are widely used indicating gauges for precision measurements. It belongs to a comparison measuring tool, and can only measure relative numerical values, but can not measure absolute numerical values. Mainly used for checking the shape and position error of the workpiece. (such as roundness, flatness, verticality, circular run-out, etc.) are also commonly used for precision alignment of workpieces. When the length of the object needs to be measured, the object is placed on the support, and when the object pushes the measuring rod to move, the display displays the corresponding length value of the object. The deformation varieties of the dial indicator, such as a thickness dial indicator, a depth dial indicator and an inner dial indicator, can be manufactured by changing the shape of the measuring head and matching the measuring head with a corresponding bracket. If the lever is used to replace rack, it can be made into dial indicator. They are suitable for measuring the shape and position errors of excircle, small hole and groove which are difficult to measure by common dial indicator.
The measuring rod in the dial indicator in the prior art is integrally formed, and the measuring rod is easy to wear in the long-term contact process with an object, so that the measuring accuracy can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-standard part amesdial of high accuracy to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision non-standard part dial indicator comprises a dial indicator body and a measuring rod, wherein the dial indicator body is provided with a shell and a display cover, the measuring rod is installed on the shell, an opening is formed in the front face of the measuring rod, and the display cover covers the opening; the measuring rod comprises a measuring main rod body and a measuring ball cylinder body, the measuring main rod body is positioned on one side of the measuring ball cylinder body and is connected with the shell, the measuring main rod body is cylindrical and is provided with a cavity with an opening facing the measuring ball cylinder body, and a limiting channel is formed in the measuring main rod body; the measuring ball cylinder comprises a measuring cylinder body and a ball body, the measuring cylinder body is connected to the end of the ball body and matched with the measuring main rod body, and a limiting block is installed on the outer side face of the measuring cylinder body.
Preferably, the limiting channel is L-shaped and comprises a first channel and a second channel, and the end part of the first channel, which is far away from the second channel, is communicated with the open end of the measuring main rod body.
Preferably, the measuring column body extends into the body cavity of the measuring main rod and is matched with the body cavity of the measuring main rod, and the limiting block is in interference fit with the limiting channel when the measuring column body extends into the body cavity.
Preferably, the diameter of measuring the cylinder adds the length of stopper and is greater than the internal diameter of measuring the main pole body, and the stopper can stretch out spacing channel when interference fit.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has high stability and measurement precision, and can conveniently realize the replacement of the measuring ball cylinder when the measuring ball cylinder is worn in the long-term use process, thereby ensuring the precision when measuring objects; when changing the measurement cylinder body promptly, the rotatory measurement cylinder makes the stopper on the measurement cylinder body separate with channel two earlier, removes the measurement cylinder body after that, makes the stopper on the measurement cylinder body remove along channel one, and the stopper removes and separates with channel one when to the channel tip, at this moment, can insert the measurement mobile jib internal along channel one with the measurement cylinder body of changing, and the rotatory measurement cylinder body when treating that the stopper removes to channel one and the communicating tip of channel one makes stopper and channel two interference fit.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the measuring rod of the present invention.
In the figure: 1. a housing; 2. a display cover; 3. a measuring rod; 4. measuring the main rod body; 41. a limiting channel; 411. a first channel; 412. a second channel; 5. measuring the ball cylinder; 51. a measuring cylinder; 52. a sphere; 53. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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. 1-2, the present invention provides a technical solution: a high-precision non-standard part dial indicator comprises a dial indicator body and a measuring rod 3, wherein the dial indicator body is provided with a shell 1 and a display cover 2, the measuring rod 3 is installed on the shell 1, an opening is formed in the front of the shell, and the display cover 2 covers the opening; the measuring rod 3 comprises a measuring main rod body 4 and a measuring ball cylinder 5, the measuring main rod body 4 is positioned on one side of the measuring ball cylinder 5 and is connected with the shell 1, the measuring main rod body 4 is cylindrical and is provided with a cavity with an opening facing the measuring ball cylinder 5, and a limiting channel 41 is formed in the measuring main rod body; the measuring ball cylinder 5 comprises a measuring cylinder 51 and a ball body 52, the measuring cylinder 51 is connected to the end of the ball body 52 and matched with the measuring main rod body 4, and a limiting block 53 is arranged on the outer side surface of the measuring cylinder.
The measuring cylinder 51 extends into the cavity of the measuring main rod body 4 and is matched with the cavity, and the limiting block 53 is in interference fit with the limiting channel 41 when the measuring cylinder 51 extends into the cavity.
The limiting slot 41 is L-shaped and includes a first slot 411 and a second slot 412, and an end of the first slot 411 away from the second slot 412 is communicated with an open end of the measuring main rod body 4.
The diameter of measuring cylinder 51 and the length of stopper 53 are greater than the internal diameter of measuring the main rod body 4, and stopper 53 can stretch out spacing channel 41 when interference fit.
The working principle is as follows:
the utility model discloses a measure cylinder 5 is including measuring cylinder 51 and spheroid 52, measures cylinder 51 and connects in spheroid 52 tip and its and measure the cooperation of the king-rod body 4, and its lateral surface installs stopper 53. When measuring, the measuring cylinder 5 is abutted against an object, the dial indicator body can display a measured value, when the measuring cylinder 5 is worn in the long-term use process, namely the measuring cylinder 5 needs to be replaced, the measuring cylinder 5 is rotated, the limiting block 53 on the measuring cylinder 5 is firstly separated from the second channel 412, then the measuring cylinder 5 is moved, the limiting block 53 on the measuring cylinder 5 moves along the first channel 411, the limiting block 53 moves to the end part of the channel and is separated from the first channel 411, at the moment, the replaced measuring cylinder 5 can be inserted into the measuring main rod body 4 along the first channel 411, the measuring cylinder 5 is rotated when the limiting block 53 moves to the end part of the first channel 411 communicated with the second channel 412, the limiting block 53 is in interference fit with the second channel 412, the replacement of the measuring cylinder can be conveniently realized, and the precision, the stability and the measuring precision are high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A high-precision non-standard part dial indicator is characterized by comprising a dial indicator body and a measuring rod (3), wherein the dial indicator body is provided with a shell (1) and a display cover (2), the measuring rod (3) is installed on the shell (1), an opening is formed in the front face of the shell, and the display cover (2) covers the opening; the measuring rod (3) comprises a measuring main rod body (4) and a measuring ball cylinder body (5), the measuring main rod body (4) is positioned on one side of the measuring ball cylinder body (5) and is connected with the shell (1), the measuring main rod body (4) is cylindrical and is provided with a cavity with an opening facing the measuring ball cylinder body (5), and a limiting channel (41) is formed in the measuring main rod body; the measuring ball cylinder (5) comprises a measuring cylinder body (51) and a ball body (52), the measuring cylinder body (51) is connected to the end part of the ball body (52) and matched with the measuring main rod body (4), and a limiting block (53) is installed on the outer side surface of the measuring ball cylinder body.
2. A high precision non-standard parts dial gauge according to claim 1, characterized in that: the measuring column body (51) extends into the cavity of the measuring main column body (4) and is matched with the cavity, and the limiting block (53) is in interference fit with the limiting channel (41) when the measuring column body (51) extends into the cavity.
3. A high precision non-standard parts dial gauge according to claim 2, characterized in that: the limiting channel (41) is L-shaped and comprises a first channel (411) and a second channel (412), and the end part, far away from the second channel (412), of the first channel (411) is communicated with the open end of the measuring main rod body (4).
4. A high precision non-standard parts dial gauge according to claim 2, characterized in that: the diameter of measuring cylinder (51) adds the length of stopper (53) and is greater than the internal diameter of measuring the main rod body (4), and stopper (53) can stretch out spacing channel (41) when interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538048.2U CN210374846U (en) | 2019-09-17 | 2019-09-17 | High-precision non-standard part dial gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538048.2U CN210374846U (en) | 2019-09-17 | 2019-09-17 | High-precision non-standard part dial gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210374846U true CN210374846U (en) | 2020-04-21 |
Family
ID=70254858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921538048.2U Expired - Fee Related CN210374846U (en) | 2019-09-17 | 2019-09-17 | High-precision non-standard part dial gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210374846U (en) |
-
2019
- 2019-09-17 CN CN201921538048.2U patent/CN210374846U/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: 20200421 Termination date: 20200917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |