CN217604874U - Trajectory outer diameter comparison measuring instrument - Google Patents
Trajectory outer diameter comparison measuring instrument Download PDFInfo
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- CN217604874U CN217604874U CN202221500861.2U CN202221500861U CN217604874U CN 217604874 U CN217604874 U CN 217604874U CN 202221500861 U CN202221500861 U CN 202221500861U CN 217604874 U CN217604874 U CN 217604874U
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Abstract
The utility model belongs to the technical field of measure the utensil, concretely relates to trajectory external diameter comparison measuring apparatu, include: the front end of the ruler frame is provided with a measuring groove; the bottom of the measuring groove is provided with a lower measuring head; the digital display indicator is arranged above the ruler frame; the top of the digital display indicator is provided with a limit cap, and the bottom of the digital display indicator is provided with a sleeve fixed with the ruler frame; a measuring rod in sliding fit with the sleeve is arranged in the sleeve; the upper end of the measuring rod is connected with the limiting cap, and the lower end of the measuring rod is provided with an upper measuring head; a hinge seat is arranged above the side of the shell of the digital display indicator gauge; the middle part of the lifting rod is hinged on the hinge seat; one end of the lifting rod, which is close to the limiting cap, is provided with a sliding groove; the upper end of the measuring rod is positioned in the sliding groove and is in sliding guide fit with the sliding groove. The utility model discloses can solve when measuring ball guide ball center external diameter size, often adopt ordinary measuring utensil to measure like micrometer, slide caliper rule add the steel ball, operate very inconvenient problem.
Description
Technical Field
The utility model belongs to the technical field of measuring instrument, concretely relates to trajectory external diameter comparative measurement appearance.
Background
A digital display indicating meter belongs to a precision instrument, is a universal measuring instrument commonly used in geometric measuring instruments, and generally comprises a measuring head, a measuring rod, a sensor, a display circuit board and the like. The digital display indicating gauge converts the displacement of the measuring rod into the relative displacement of the movable grid and the fixed grid in the sensor, and the sensor can transmit information to the microprocessor on the display circuit board for processing so as to display an accurate measuring value.
When the existing measuring method is used for measuring the outside diameter of the center of a ball guide rod, common measuring instruments such as a micrometer, a caliper and a steel ball are often adopted for measurement, and the operation is inconvenient. Therefore, the inventor designs a special non-standard outer diameter comparison measuring instrument, a measuring head is selected according to the sphere diameter and the thread pitch, the distance range of the measured sphere diameter is adjustable, the application range is wide, and the operation is convenient.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a trajectory external diameter comparison measuring apparatu to solve when measuring ball guide ball center external diameter, often adopt ordinary measuring utensil to measure like micrometer, slide caliper rule add the steel ball, operate very inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme:
ballistic outer diameter comparative survey appearance includes:
the front end of the ruler frame is provided with a measuring groove; the bottom of the measuring groove is provided with a lower measuring head;
the digital display indicator is arranged above the ruler frame; the top of the digital display indicator is provided with a limit cap, and the bottom of the digital display indicator is provided with a sleeve fixed with the ruler frame; a measuring rod in sliding fit with the sleeve is arranged in the sleeve; the upper end of the measuring rod is connected with the limiting cap, and the lower end of the measuring rod is provided with an upper measuring head; a hinge seat is arranged above the side of the shell of the digital display indicator;
the middle part of the lifting rod is hinged on the hinge seat; one end of the lifting rod close to the limiting cap is provided with a sliding groove; the upper end of the measuring rod is positioned in the sliding groove and is in sliding guide fit with the sliding groove.
Preferably, the lifting rod is bent upwards near one end of the limiting cap.
Preferably, the upper measuring head and the lower measuring head are steel balls with the same diameter.
Preferably, the upper measuring head and the lower measuring head are offset by half a pitch.
Preferably, a handle is integrally formed at the rear end of the ruler frame.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) The ballistic outer diameter comparison measuring instrument of the utility model has strong adaptability, and the upper measuring head and the lower measuring head can be replaced to adapt to different structures; the upper measuring head and the lower measuring head are matched with steel balls with different diameters, and then are matched with corresponding thread pitch sizes, so that various structures can be measured.
(2) The utility model discloses a trajectory external diameter comparative survey appearance, the measurement is stable, and the precision is good, and the sexual valence relative altitude moreover, one set can join in marriage multiple measuring head, can measure multiple size.
(3) The utility model discloses a trajectory external diameter comparative survey appearance, easy operation just can operate the completion on the other hand, is favorable to improving production efficiency and alleviates staff's intensity of labour.
Drawings
Fig. 1 is an external schematic view of the present invention;
FIG. 2 is a top view of the lift bar and stop cap of the present invention;
FIG. 3 is a side schematic view of the lift bar and limit cap of the present invention;
fig. 4 is a schematic diagram of the misalignment of the upper and lower measuring heads of the present invention;
FIG. 5 is a schematic view of a ball screw;
description of the main reference numerals:
1. a scale frame; 2. measuring a groove; 3. a lower measuring head; 4. a digital display indicator; 5. a limiting cap; 6. a sleeve; 7. a measuring rod; 8. an upper measuring head; 9. a hinged seat; 10. a lifting lever; 11. a chute; 12. a handle.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the technical personnel in the field 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 directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions 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 direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected internally between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the drawings, a ballistic outer diameter comparison measuring instrument comprises:
the front end of the ruler frame 1 is provided with a measuring groove 2; the bottom of the measuring groove 2 is provided with a lower measuring head 3;
the digital display indicator 4 is arranged above the ruler frame 1; the top of the digital display indicator 4 is provided with a limit cap 5, and the bottom of the digital display indicator 4 is provided with a sleeve 6 fixed with the ruler frame 1; a measuring rod 7 in sliding fit with the sleeve 6 is arranged in the sleeve; the upper end of the measuring rod 7 is connected with the limit cap 5, and the lower end is provided with an upper measuring head 8; a hinge seat 9 is arranged on the upper side of the shell of the digital display indicator 4;
a lifting rod 10, the middle part of which is hinged on the hinge seat 9; one end of the lifting rod 10 close to the limiting cap 5 is provided with a sliding groove 11; the upper end of the measuring rod 7 is positioned in the sliding groove 11 and is in sliding guide fit with the sliding groove 11.
In this embodiment, the lifting rod 10 is bent upward near one end of the stopper cap 5. The upper measuring head 8 and the lower measuring head 3 are steel balls with the same diameter. The upper measuring head 8 and the lower measuring head 3 are staggered by half a pitch. The rear end of the ruler frame 1 is integrally formed with a handle 12.
The working principle is as follows: the utility model relates to a ballistic outer diameter comparison measuring instrument which is used for measuring the central outer diameter of a ball guide rod; before measurement, the lifting rod 10 is firstly pulled to enable one end, close to the limiting cap 5, of the lifting rod to drive the limiting cap 5 to move upwards, the limiting cap 5 drives the measuring rod 7 and the upper measuring head 8 to move upwards, and at the moment, the reading of the digital display indicator 4 changes; then, a ball guide rod of a workpiece to be measured is placed in the measuring groove 2, and the upper measuring head 8 and the lower measuring head 3 are both positioned in a groove which is formed in the ball guide rod and used for placing a steel ball. It should be noted that the diameters of the upper measuring head 8 and the lower measuring head 3 are the same as the diameter D of the steel ball placed on the ball guide when in use, so that the measured result is accurate. The upper measuring head 8 and the lower measuring head 3 are staggered by half a pitch, namely P/2, and can be tightly matched with a workpiece during measurement, so that the central distance d of the measured steel ball can be measured.
The utility model provides a trajectory external diameter comparison measuring apparatu has solved and has adopted ordinary measuring instrument like micrometer, slide caliper rule to add the inconvenient problem of operation that exists when the steel ball carries out ball guide ball center external diameter measurement, and strong adaptability can measure multiple structure, has the advantage that the measurement is stable and the precision is good simultaneously, easy operation during the use, just can operate on the other hand and accomplish, is favorable to improving production efficiency and alleviates staff's intensity of labour.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. Ballistic outer diameter comparative survey appearance, its characterized in that includes:
the front end of the ruler frame is provided with a measuring groove; the bottom of the measuring groove is provided with a lower measuring head;
the digital display indicator is arranged above the ruler frame; the top of the digital display indicator is provided with a limit cap, and the bottom of the digital display indicator is provided with a sleeve fixed with the ruler frame; a measuring rod in sliding fit with the sleeve is arranged in the sleeve; the upper end of the measuring rod is connected with the limiting cap, and the lower end of the measuring rod is provided with an upper measuring head; a hinge seat is arranged above the side of the shell of the digital display indicator gauge;
the middle part of the lifting rod is hinged on the hinge seat; one end of the lifting rod, which is close to the limiting cap, is provided with a sliding groove; the upper end of the measuring rod is positioned in the sliding groove and is in sliding guide fit with the sliding groove.
2. The ballistic outer diameter comparison measuring instrument of claim 1, wherein the lifting rod is bent upward near an end of the stopper cap.
3. The ballistic outside diameter comparison measuring instrument of claim 1, wherein the upper measuring head and the lower measuring head are steel balls of the same diameter.
4. The comparative ballistic od measuring instrument of claim 1, wherein the upper and lower measuring heads are offset by half a pitch.
5. The ballistic outer diameter comparison measuring instrument according to claim 1, wherein a handle is integrally formed at a rear end of the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500861.2U CN217604874U (en) | 2022-06-16 | 2022-06-16 | Trajectory outer diameter comparison measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500861.2U CN217604874U (en) | 2022-06-16 | 2022-06-16 | Trajectory outer diameter comparison measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217604874U true CN217604874U (en) | 2022-10-18 |
Family
ID=83590039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221500861.2U Active CN217604874U (en) | 2022-06-16 | 2022-06-16 | Trajectory outer diameter comparison measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217604874U (en) |
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2022
- 2022-06-16 CN CN202221500861.2U patent/CN217604874U/en active Active
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