CN215984356U - Plunger center hole coaxiality gauge - Google Patents
Plunger center hole coaxiality gauge Download PDFInfo
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- CN215984356U CN215984356U CN202122409085.7U CN202122409085U CN215984356U CN 215984356 U CN215984356 U CN 215984356U CN 202122409085 U CN202122409085 U CN 202122409085U CN 215984356 U CN215984356 U CN 215984356U
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- turntable
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- positioning shaft
- center hole
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Abstract
The utility model belongs to the technical field of detection, and particularly relates to a plunger center hole coaxiality detection tool, which comprises: a base; the rotary table is positioned on the base and is provided with a plunger positioning shaft, and the plunger positioning shaft is inserted into a plunger central hole to position the plunger; the detection mechanism is positioned on the edge of the upper surface of the base and comprises a dial indicator, when a detection head of the dial indicator is in contact with the side wall of the plunger, the rotating disc is rotated to drive the plunger to rotate so as to detect the coaxiality of the central hole of the plunger, and after the detection head of the dial indicator in the detection mechanism is in contact with the side wall surface of the plunger, the rotating disc is rotated to drive the plunger sleeved on the plunger positioning shaft to rotate around the central shaft of the central hole of the plunger so as to detect the coaxiality of the central hole of the plunger and the plunger.
Description
Technical Field
The utility model belongs to the technical field of detection, and particularly relates to a plunger center hole coaxiality detection tool.
Background
The plunger is required to reciprocate in the cylinder, so the precision requirement of the plunger is high.
When the central hole of the plunger is required to be opened, the central hole is ensured to be coaxial with the plunger so as to ensure the movement precision.
In the plunger shown in fig. 5, after the central hole is opened, the coaxiality needs to be detected to determine whether the coaxiality requirement is met. The traditional detection mode needs a special detection instrument to measure specific numerical values, is inconvenient in detection operation, slow in detection speed and higher in detection cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plunger center hole coaxiality gauge to solve the technical problem that coaxiality of a hole formed in the center of a plunger is inconvenient to detect.
In order to solve the technical problem, the utility model provides a plunger center hole coaxiality gauge, which comprises: a base; the rotary table is positioned on the base and is provided with a plunger positioning shaft, and the plunger positioning shaft is inserted into a plunger central hole to position the plunger; and the detection mechanism is positioned on the edge of the upper surface of the base and comprises a dial indicator, and when a detection head of the dial indicator is contacted with the side wall of the plunger, the plunger is driven to rotate by rotating the turntable so as to detect the coaxiality of the central hole of the plunger.
Further, the detection mechanism further includes: the reset turntable is arranged on the base; the support column is vertically arranged on the reset turntable, and an installation groove is formed in the upper end surface of the support column; the mounting rod is fixed in the mounting groove through a fixing piece; the dial indicator is arranged at one end, facing the plunger positioning shaft, of the mounting rod and is arranged on the reset rotary disc through the support column; and the reset turntable is suitable for driving the support column to rotate.
Further, the support column is suitable for adopting the telescopic link to adjust the measurement height of percentage table.
Furthermore, a turntable positioning shaft is arranged on the upper surface of the base; the lower surface of the turntable is provided with a turntable positioning hole matched with the turntable positioning shaft; the turntable rotates on the base through the matching of the turntable positioning hole and the turntable positioning shaft; and the turntable positioning shaft, the turntable and the plunger positioning shaft are coaxially arranged.
Further, a circular sliding groove is formed in the upper surface of the base; the sliding groove is arranged around the turntable positioning shaft; a plurality of balls are arranged in the sliding groove; the ball is a little higher than the upper surface of base for support the carousel is rotatory.
Further, a plurality of turntable handles are uniformly arranged on the side wall of the turntable.
Further, the bottom of base is provided with the slipmat.
The plunger positioning mechanism has the advantages that after the detection head of the dial indicator in the detection mechanism is contacted with the surface of the side wall of the plunger, the turntable is rotated to drive the plunger sleeved on the plunger positioning shaft to rotate around the central shaft of the plunger central hole so as to detect the coaxiality of the plunger central hole and the plunger, the operation is simple, and the mass detection is convenient.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a plunger center hole coaxiality gauge of the utility model;
FIG. 2 is a schematic structural view of a base of the plunger center hole coaxiality gauge of the utility model;
FIG. 3 is a schematic structural view of a turntable and a plunger positioning shaft of the plunger center hole coaxiality gauge of the utility model;
FIG. 4 is a schematic structural view of the plunger center hole coaxiality gauge of the utility model after the plunger is placed;
fig. 5 is a schematic view of the plunger and the plunger center hole according to the present invention.
In the figure:
the device comprises a base 1, a turntable positioning shaft 11, a circular sliding groove 12, a ball 13, a turntable 2, a plunger positioning shaft 21, a turntable positioning hole 22, a turntable handle 23, a detection mechanism 3, a support column 31, an installation rod 32, a dial indicator 33, a reset turntable 34, a plunger 4 and a plunger center hole 41.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a plunger center hole coaxiality testing fixture, which includes: a base 1; the rotary table 2 is positioned on the base 1, and is provided with a plunger positioning shaft 21, and the plunger positioning shaft 21 is inserted into a plunger central hole 41 to position the plunger 4; and the detection mechanism 3 is positioned on the edge of the upper surface of the base 1 and comprises a dial indicator 33, and when a detection head of the dial indicator 33 is contacted with the side wall of the plunger 4, the plunger 4 is driven to rotate by rotating the turntable 2 so as to detect the coaxiality of the central hole 41 of the plunger.
In this embodiment, after the detection head of the dial indicator 33 in the detection mechanism 3 contacts the sidewall surface of the plunger 4, the rotary table 2 is rotated to drive the plunger 4 sleeved on the plunger positioning shaft 21 to rotate around the central axis of the plunger central hole 41, so as to detect the coaxiality of the plunger central hole 41 and the plunger 4, and the operation is simple, and mass detection is facilitated.
In this embodiment, optionally, the detection mechanism 3 further includes: a reset turntable 34 disposed on the base 1; the supporting column 31 is vertically arranged on the reset turntable 34, and the upper end surface of the supporting column is provided with an installation groove; and a mounting rod 32 fixed in the mounting groove by a fixing member; the dial indicator 33 is arranged at one end of the mounting rod 32, which faces the plunger positioning shaft 21, and is arranged on the reset turntable 34 through the supporting column 31; and the reset rotary disc 34 is suitable for driving the support column 31 to rotate.
In this embodiment, the reset turntable 34 can drive the support pillar 31 to rotate, i.e. drive the dial indicator 33 to rotate around the central axis of the reset turntable 34, so as to place and remove the plunger 4, thereby facilitating mass detection.
In this embodiment, optionally, the supporting column 31 is adapted to adopt a telescopic rod to adjust the measurement height of the dial indicator 33.
In this embodiment, the supporting column 31 of the telescopic rod is adopted, so that coaxiality of different plungers 4 and different heights can be conveniently detected.
As shown in fig. 2 and 3, in the present embodiment, optionally, a turntable positioning shaft 11 is disposed on the upper surface of the base 1; the lower surface of the turntable 2 is provided with a turntable positioning hole 22 matched with the turntable positioning shaft 11; the turntable 2 rotates on the base 1 through the matching of the turntable positioning hole 22 and the turntable positioning shaft 11; and the turntable positioning shaft 11, the turntable 2 and the plunger positioning shaft 21 are coaxially arranged.
In this embodiment, the turntable positioning shaft 11, the turntable 2 and the plunger positioning shaft 21 are coaxially arranged, so that the turntable 2 can drive the plunger 4 to rotate around the central axis of the plunger central hole 41 after rotating, so as to detect the coaxiality of the plunger central hole 41.
In this embodiment, optionally, a circular chute 12 is formed on the upper surface of the base 1; the sliding groove 12 is arranged around the turntable positioning shaft 11; a plurality of balls 13 are arranged in the sliding groove 12; the balls 13 are slightly higher than the upper surface of the base 1 and are used for supporting the turntable 2 to rotate.
In this embodiment, the balls 13 are raised above the upper surface of the base 1 to reduce friction and facilitate rotation of the turntable 2.
In this embodiment, optionally, a plurality of turntable handles 23 are uniformly arranged on the side wall of the turntable 2.
In this embodiment, optionally, the bottom of the base 1 is provided with a non-slip mat.
In the present embodiment, the dial grip 23 facilitates turning the dial 2; the non-slip mat is in order to prevent examining the utensil slip.
In summary, after the detection head of the dial indicator 33 in the detection mechanism 3 contacts the sidewall surface of the plunger 4, the rotary disc 2 is rotated to drive the plunger 4 sleeved on the plunger positioning shaft 21 to rotate around the central axis of the plunger central hole 41, so as to detect the coaxiality of the plunger central hole 41 and the plunger 4, the operation is simple, and mass detection is facilitated; the reset turntable 34 can drive the support column 31 to rotate, namely, the dial indicator 33 is driven to rotate around the central shaft of the reset turntable 34, so that the plunger 4 can be conveniently placed and taken down, and mass detection is facilitated; the supporting column 31 of the telescopic rod is adopted, so that the coaxiality of different plungers 4 and different heights can be conveniently detected; the turntable positioning shaft 11, the turntable 2 and the plunger positioning shaft 21 are coaxially arranged, so that the turntable 2 can drive the plunger 4 to rotate around the central shaft of the plunger central hole 41 after rotating, and the coaxiality of the plunger central hole 41 can be conveniently detected; the balls 13 are higher than the upper surface of the base 1, so that friction force is reduced, and the rotation of the turntable 2 is facilitated.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a utensil is examined to plunger centre bore axiality which characterized in that includes:
a base;
the rotary table is positioned on the base and is provided with a plunger positioning shaft, and the plunger positioning shaft is inserted into a plunger central hole to position the plunger; and
the detection mechanism is positioned on the edge of the upper surface of the base and comprises a dial indicator, and when a detection head of the dial indicator is in contact with the side wall of the plunger, the plunger is driven to rotate by rotating the turntable so as to detect the coaxiality of the central hole of the plunger.
2. The plunger center hole coaxiality gauge of claim 1,
the detection mechanism further includes:
the reset turntable is arranged on the base; and
the support column is vertically arranged on the reset turntable, and the upper end surface of the support column is provided with an installation groove; and
the mounting rod is fixed in the mounting groove through a fixing piece; wherein
The dial indicator is arranged at one end, facing the plunger positioning shaft, of the mounting rod and is arranged on the reset rotary table through the support column; and
the reset turntable is suitable for driving the support column to rotate.
3. The plunger center hole coaxiality gauge of claim 2,
the support column is suitable for adopting the telescopic link to adjust the measurement height of percentage table.
4. The plunger center hole coaxiality gauge of claim 1,
a turntable positioning shaft is arranged on the upper surface of the base;
the lower surface of the turntable is provided with a turntable positioning hole matched with the turntable positioning shaft; wherein
The turntable rotates on the base through the matching of the turntable positioning hole and the turntable positioning shaft; and
the turntable positioning shaft, the turntable and the plunger positioning shaft are coaxially arranged.
5. The plunger center hole coaxiality gauge of claim 1,
the upper surface of the base is provided with a circular sliding chute;
the sliding groove is arranged around the turntable positioning shaft;
a plurality of balls are arranged in the sliding groove;
the ball is a little higher than the upper surface of base for support the carousel is rotatory.
6. The plunger center hole coaxiality gauge of claim 1,
and a plurality of turntable handles are uniformly arranged on the side wall of the turntable.
7. The plunger center hole coaxiality gauge of claim 1,
and the bottom of the base is provided with an anti-slip pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409085.7U CN215984356U (en) | 2021-09-30 | 2021-09-30 | Plunger center hole coaxiality gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409085.7U CN215984356U (en) | 2021-09-30 | 2021-09-30 | Plunger center hole coaxiality gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215984356U true CN215984356U (en) | 2022-03-08 |
Family
ID=80509018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122409085.7U Active CN215984356U (en) | 2021-09-30 | 2021-09-30 | Plunger center hole coaxiality gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215984356U (en) |
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2021
- 2021-09-30 CN CN202122409085.7U patent/CN215984356U/en active Active
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