CN212227947U - Plug-in inner diameter gauge containing special-shaped expanded inner hole in coaxial hole system - Google Patents
Plug-in inner diameter gauge containing special-shaped expanded inner hole in coaxial hole system Download PDFInfo
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- CN212227947U CN212227947U CN202020944997.7U CN202020944997U CN212227947U CN 212227947 U CN212227947 U CN 212227947U CN 202020944997 U CN202020944997 U CN 202020944997U CN 212227947 U CN212227947 U CN 212227947U
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Abstract
An inserted inner diameter gauge with a special-shaped expanded inner hole in a coaxial hole system comprises a gauge base body, a dial indicator, a movable measuring pin, a rotating pin, a comprehensive positioning shaft and a spring, wherein the comprehensive positioning shaft is fixed on the gauge base body, a positioning mandrel section is used as a positioning sheathing reference of a part to be detected, the movable measuring needle is arranged in the needle swinging groove, two ends of the movable measuring needle are opposite in orientation of the detecting head and the pressure gauge head respectively, the movable measuring needle rotates a fulcrum through a rotating pin in the needle swinging groove, during detection, only the reference hole of a part to be detected is sleeved on the positioning mandrel section of the comprehensive positioning shaft, the detecting head of the movable measuring needle is in contact with the surface of a special-shaped inner hole to be detected all the time under the action of a spring, the pressure gauge head is in contact with a detection rod of a dial indicator, and the size fluctuation of the aperture to be detected can drive the movable measuring needle to rotate around the rotating pin as a lever, so that the size error of the aperture of the inner hole to be detected is reflected from the dial. The checking fixture for online detection has the advantages of ingenious structure, convenience and rapidness in operation, high measurement precision and strong practicability.
Description
The technical field is as follows:
the utility model relates to an examine the utensil field, concretely relates to utensil is examined to hole groove diameter.
Background art:
the utility model relates to an inspection process of key spare part of sprayer, a kind of utensil of examining that uses in the hole processing of needle valve housing in concretely relates to fuel sprayer mating parts need detect the dysmorphism hole in the hole of needle valve housing in the hole processing to the needle valve housing, and the structure of waiting to detect the part is shown as figure 1, and this part need be strict to the dysmorphism hole phid size of accuse indent, requires 0.03, and in the picture, the aperture in basic hole is phid 1.
The detection method in the prior art comprises the following steps: as the forming cutter is used for processing, the size of the cutter is actually detected, and the aperture can be controlled as long as the abrasion condition of the cutter can be timely controlled. In the mode, after N pieces are machined, the tool seat needs to be detached to check the abrasion condition of the cutting edge, the feeding amount is supplied in time, and then a plurality of workpieces are cut in a linear mode to be measured so as to ensure the diameter of the special-shaped hole. The efficiency is very low, and the processing cost is artifical, the cutter obviously is on the high side, and the work piece disability rate is very high and inevitable. Currently, there is no effective detection method in the industry for control, and how to solve the above problems is a need to be solved.
The utility model has the following contents:
the utility model aims at providing a contain bayonet internal diameter of dysmorphism extension hole in coaxial hole system and examine utensil, it can regard as process quality control to examine utensil on-line, can carry out the detection of dysmorphism hole aperture error fast to the part of processing, and the processing error data that provides directly perceived judges for control process processingquality.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
the utility model provides a contain bayonet internal diameter of dysmorphism extension hole in coaxial hole system and examine utensil which characterized in that: the comprehensive positioning shaft comprises a fixed section, a positioning mandrel section and a pendulum needle groove, the positioning mandrel section is arranged between the fixed section and the pendulum needle groove, the comprehensive positioning shaft is fixed on the checking tool base, the positioning mandrel section of the comprehensive positioning shaft is used for installing a part to be checked, the movable measuring needle is arranged in the pendulum needle groove and takes the pendulum pin as a rotating fulcrum, one end of the movable measuring needle is a detecting head, the other end of the movable measuring needle is a pressure gauge head, the detecting head and the pressure gauge head are opposite in orientation, the pressure gauge head is in contact with a detecting rod of the dial gauge, the spring drives the movable measuring needle to rotate around a lever of the rotating pin, and the part to be checked is inserted into the positioning mandrel section through a detecting base hole.
Furthermore, the rotating pin is positioned at the central point of the movable measuring pin, and the movable measuring pin can freely rotate around the rotating pin.
Furthermore, one end of the spring is connected with the movable measuring pin, and the other end of the spring is connected with the checking fixture base.
Furthermore, the connecting point of the spring and the movable measuring needle is arranged between the detecting head and the rotating pin, the head of the detecting head is upward, the head of the pressure gauge head is downward, the dial indicator is arranged below the movable measuring needle, and the comprehensive positioning shaft is horizontally arranged.
Further, the spring is a tension spring.
Further, the spring is arranged below the movable measuring pin.
Furthermore, the comprehensive positioning shaft is fixed on the checking fixture base through a fastening screw and a rotating pin.
Furthermore, the needle swinging groove is perpendicular to the horizontal plane, at least one surface of the fixing section of the comprehensive positioning shaft is provided with an installation combining plane, the installation combining plane is provided with an installation hole and a rotating pin hole, and the comprehensive positioning shaft penetrates through the installation hole and the rotating pin hole through a fastening screw and a rotating pin and is fixed on the checking fixture base body.
Furthermore, the comprehensive positioning shaft is of a split assembly structure, split assembly is carried out along the needle swinging groove, and the joint surface is parallel to the axis of the comprehensive positioning shaft.
Furthermore, the head of the probe is in a pen point shape, and the head of the pressure gauge head is in a circular arc shape or a pen point shape.
Because the utility model provides an on-line checking tool which can conveniently and rapidly carry out insertion type direct-reading detection on the special-shaped expanded inner hole in the coaxial hole system, the checking tool is assembled by a checking tool base body, a dial indicator, a movable measuring needle, a rotating pin, a comprehensive positioning shaft and a spring, the fixing section of the comprehensive positioning shaft is fixed on the checking tool base body, the positioning core shaft section is used as the positioning sheathing reference of the part to be detected, the movable measuring needle with a lever structure is ingeniously arranged in a swinging needle groove, one end of the movable measuring needle is a detecting head, the other end of the movable measuring needle is a pressure gauge head, the directions of the detecting head and the pressure gauge head are opposite, the movable measuring needle rotates a fulcrum by the rotating pin in the swinging needle groove, the detecting head of the movable measuring needle is contacted with the surface of the inner hole to be detected, the pressure gauge head is contacted with a detecting rod of the dial indicator, the directions of the detecting head and the pressure gauge head are opposite, the spring drives the movable measuring, during detection, as long as a datum hole of a part to be detected is sleeved on a positioning mandrel section of the comprehensive positioning shaft, one end of the movable measuring pin is used as a detecting head and is always in contact with the surface of the special-shaped inner hole to be detected under the action of the spring, the pressure gauge head is in contact with a detection rod of the dial indicator, and the movable measuring pin is driven to rotate around the rotating pin in a lever mode due to size fluctuation of the aperture to be detected, so that the size error of the aperture of the inner hole to be detected is reflected from the dial indicator. The on-line detection tool is ingenious in structure, convenient and fast to operate, high in measurement accuracy, capable of conveniently and accurately detecting various special-shaped apertures of different structures in a coaxial hole system, accurate in production guidance and high in practicability.
Drawings
The following description will further explain embodiments of the present invention by referring to the drawings and examples.
Fig. 1 is a schematic structural diagram of a workpiece to be measured.
Fig. 2 is a schematic structural diagram of the present invention.
FIG. 3 is a schematic view of a construction of the integrated positioning shaft.
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural view of a movable stylus;
in the figure: 1-a checking fixture base; 2-dial indicator; 3-moving the measuring needle; 4-rotating the pin; 5-comprehensive positioning shaft; 6-a spring; 7-a fastening screw; 8-the lower end of the spring is hooked with the nail; 9-parts to be detected; 31-a probe head; 32-a gauge head; 51-a fixed segment; 52-positioning the mandrel segments; 53-needle swinging groove; 54-mounting a bonding plane; 55-mounting holes; 56-Pin hole.
The specific implementation mode is as follows:
the present invention will now be described in further detail with reference to the accompanying drawings.
These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1: an inserted inner diameter gauge with a special-shaped expanded inner hole in a coaxial hole system comprises a gauge base body 1, a dial indicator 2, a movable measuring pin 3, a rotating pin 4, a comprehensive positioning shaft 5, a spring 6 and a fastening screw 7, wherein the comprehensive positioning shaft 5 comprises a fixed section 51, a positioning core shaft section 52 and a pendulum pin groove 53, the positioning core shaft section 52 is arranged between the fixed section 51 and the pendulum pin groove 53, the comprehensive positioning shaft 5 is fixed on the gauge base body 1, the positioning core shaft section 52 of the comprehensive positioning shaft 5 is used for mounting a part 9 to be detected, the movable measuring pin 3 is arranged in the pendulum pin groove 53, the movable measuring pin 3 takes the rotating pin 4 as a rotating fulcrum, one end of the movable measuring pin 3 is a detecting head 31, the other end of the movable measuring pin 3 is a pressure gauge head 32, the directions of the detecting head 31 and the pressure gauge head 32 are opposite, the pressure gauge head 32 is contacted with a detecting rod of the dial indicator 2, the spring 6 drives the movable measuring pin 3 to rotate around a lever of the rotating pin 4, the part 9 to be detected is inserted into the positioning mandrel section 52 through the detection base hole, the rotating pin 4 is positioned at the central point of the movable measuring pin 3, and the movable measuring pin 3 can freely rotate around the rotating pin 4; one end of a spring 6 is connected with the movable measuring pin 3, the other end of the spring 6 is connected with the checking fixture base body 1, the connection point of the spring 6 and the movable measuring pin 3 is arranged between a detecting head 31 and a rotating pin 4, the head of the detecting head 31 is upward, the head of a pressure gauge head 32 is downward, a dial indicator 2 is arranged below the movable measuring pin 3, a comprehensive positioning shaft 5 is horizontally arranged, the spring 6 is a tension spring, the spring 6 is arranged below the movable measuring pin 3, the comprehensive positioning shaft 5 is fixed on the checking fixture base body 1 through a fastening screw 7 and the rotating pin 4, a needle swinging groove 53 is vertically arranged with the horizontal plane, at least one surface of a fixing section 51 of the comprehensive positioning shaft 5 is provided with a mounting and combining plane 54, the mounting and pin hole 55 and the rotating pin hole 56 are arranged on the mounting and pin hole 56, the comprehensive positioning shaft 5 respectively penetrates through the mounting hole 55 and the rotating pin hole 56 through the fastening screw 7 and the rotating pin 4 and is fixed on, the head of the pressure gauge head 32 is circular arc-shaped or pen-point-shaped.
Example 2: the difference from the embodiment 1 is that the integrated positioning shaft 5 is a split assembly structure, split assembly is performed along the needle swinging groove 53, and the combining surface is parallel to the axis of the integrated positioning shaft 5.
Because the utility model provides an on-line detection tool which can conveniently and rapidly carry out insertion type direct-reading detection on the inner bore containing special-shaped expansion in a coaxial bore system, the detection tool is assembled by a detection tool base 1, a dial indicator 2, a movable measuring pin 3, a rotating pin 4, a comprehensive positioning shaft 5 and a spring 6, the detection tool is fixed on the detection tool base 1 by a fixing section 51 of the comprehensive positioning shaft 5, a positioning mandrel section 52 is used as a positioning sheathing reference of a part to be detected, the movable measuring pin 3 with a lever structure is skillfully arranged in a swinging pin groove 53, one end of the movable measuring pin 3 is a detecting head 31, the other end is a pressure gauge head 32, the directions of the detecting head 31 and the pressure gauge head 32 are opposite, the movable measuring pin 3 rotates a fulcrum by the rotating pin 4 in the swinging pin groove 53, the detecting head 31 of the movable measuring pin 3 is contacted with the surface of the inner bore to be detected, the pressure gauge head 32 is contacted with a detection rod of the dial indicator 2, the spring 6 drives the movable measuring pin 3 to rotate around the lever of the rotating pin 4, the part 9 to be detected is inserted into the positioning mandrel section 52 through the detection base hole, during detection, only the reference hole of the part to be detected is sleeved on the positioning mandrel section 52 of the comprehensive positioning shaft 5, one end of the movable measuring pin 3 is the surface contact of the detecting head 31 with the special-shaped inner hole to be detected all the time under the action of the spring 6, the pressure gauge head 32 is in contact with the detection rod of the dial indicator 2, the size fluctuation of the aperture to be detected can drive the movable measuring pin 3 to rotate around the rotating pin 4 as the lever, and therefore the size error of the aperture of the inner hole to be detected is reflected on the dial indicator 2. The on-line detection tool is ingenious in structure, convenient and fast to operate, high in measurement accuracy, capable of conveniently and accurately detecting various special-shaped apertures of different structures in a coaxial hole system, accurate in production guidance and high in practicability.
Many embodiments of the present invention are possible, and various changes and modifications can be made by those skilled in the art without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and the scope of protection is determined according to the scope of claims.
Claims (10)
1. The utility model provides a contain bayonet internal diameter of dysmorphism extension hole in coaxial hole system and examine utensil which characterized in that: comprises a checking fixture base body (1), a dial indicator (2), a movable measuring needle (3), a rotating pin (4), a comprehensive positioning shaft (5) and a spring (6), wherein the comprehensive positioning shaft (5) comprises a fixed section (51), a positioning mandrel section (52) and a needle swinging groove (53), the positioning mandrel section (52) is arranged between the fixed section (51) and the needle swinging groove (53), the comprehensive positioning shaft (5) is fixed on the checking fixture base body (1), the positioning mandrel section (52) of the comprehensive positioning shaft (5) is used for installing a part to be checked (9), the movable measuring needle (3) is arranged in the needle swinging groove (53) and takes the rotating pin (4) as a rotating fulcrum, one end of the movable measuring needle (3) is a detecting head (31), the other end of the movable measuring needle is a pressure gauge head (32), the directions of the detecting head (31) and the pressure gauge head (32) are opposite, and the pressure gauge head (32) is in contact with a detection rod of the dial indicator (2), the spring (6) drives the movable measuring pin (3) to rotate around the lever of the rotating pin (4), and the part (9) to be detected is inserted into the positioning mandrel section (52) through the detection base hole.
2. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: the rotating pin (4) is positioned at the central point of the movable measuring pin (3), and the movable measuring pin (3) can freely rotate around the rotating pin (4).
3. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: one end of the spring (6) is connected with the movable measuring pin (3), and the other end is connected with the checking fixture base body (1).
4. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 3, wherein: the connecting point of the spring (6) and the movable measuring needle (3) is arranged between the detecting head (31) and the rotating pin (4), the head of the detecting head (31) is upward, the head of the pressure gauge head (32) is downward, the dial indicator (2) is arranged below the movable measuring needle (3), and the comprehensive positioning shaft (5) is horizontally arranged.
5. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as claimed in claim 3 or 4, characterized in that: the spring (6) is a tension spring.
6. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 4, wherein: the spring (6) is arranged below the movable measuring needle (3).
7. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: the comprehensive positioning shaft (5) is fixed on the checking fixture base body (1) through a fastening screw (7) and a rotating pin (4).
8. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: the needle swinging groove (53) is perpendicular to the horizontal plane, at least one surface of the fixing section (51) of the comprehensive positioning shaft (5) is provided with an installation combining plane (54), the installation combining plane (54) is provided with an installation hole (55) and a rotating pin hole (56), and the comprehensive positioning shaft (5) penetrates through the installation hole (55) and the rotating pin hole (56) respectively through a fastening screw (7) and a rotating pin (4) and is fixed on the checking fixture base body (1).
9. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: the comprehensive positioning shaft (5) is of a split assembly structure, split assembly is carried out along the needle swinging groove (53), and the joint surface is parallel to the axis of the comprehensive positioning shaft (5).
10. The inserted inner diameter gauge with the irregularly-shaped expanded inner hole in the coaxial hole system as set forth in claim 1, wherein: the head of the detecting head (31) is in a pen point shape, and the head of the pressure gauge head (32) is in a circular arc shape or a pen point shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944997.7U CN212227947U (en) | 2020-05-28 | 2020-05-28 | Plug-in inner diameter gauge containing special-shaped expanded inner hole in coaxial hole system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020944997.7U CN212227947U (en) | 2020-05-28 | 2020-05-28 | Plug-in inner diameter gauge containing special-shaped expanded inner hole in coaxial hole system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212227947U true CN212227947U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020944997.7U Active CN212227947U (en) | 2020-05-28 | 2020-05-28 | Plug-in inner diameter gauge containing special-shaped expanded inner hole in coaxial hole system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212227947U (en) |
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2020
- 2020-05-28 CN CN202020944997.7U patent/CN212227947U/en active Active
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