CN217585565U - Gauge checking tool for directly and rapidly measuring effective thread size - Google Patents
Gauge checking tool for directly and rapidly measuring effective thread size Download PDFInfo
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- CN217585565U CN217585565U CN202221252950.XU CN202221252950U CN217585565U CN 217585565 U CN217585565 U CN 217585565U CN 202221252950 U CN202221252950 U CN 202221252950U CN 217585565 U CN217585565 U CN 217585565U
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- ejector pin
- footstock
- thread
- spring
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Abstract
The utility model discloses a direct quick measure effective thread size examine rule instrument, it includes base, ejector pin, spring, footstock and percentage table, the base is inside to be run through and is provided with the through-hole to the front end of base is provided with the external screw thread that matches with the joint internal thread that awaits measuring, the ejector pin inserts the base and sets up in the through-hole, and the foremost end of ejector pin is worn out from the base front end, is provided with the boss that prevents its whole base of passing simultaneously on the ejector pin, the spring housing is established on the ejector pin, and the front end top of spring is on the boss, the footstock is connected in the rear end of base, and the tail end of ejector pin passes from the footstock is inside, and the whole root ejector pin can be movable from top to bottom run through base and footstock, the percentage table is installed on the footstock, and the tail end contact of the measuring staff front end of percentage table and ejector pin is just to the tail end center of ejector pin. The utility model discloses can the quick direct measurement go out the size L of female connection's effective screw thread, need not destroy the joint, can carry out the total inspection to the joint simultaneously.
Description
Technical Field
The utility model relates to a direct quick measurement effective thread size examine rule instrument belongs to brake hose detection area.
Background
With the rapid development of the automobile industry in China, automobiles become one of important vehicles for people, a braking or clutch system is an important part essential for speed reduction and clutch when the automobiles are driven and is also an important safety part, and the key part of the automobiles is directly related to personal and property safety in terms of the performance.
The sealing surface of a joint of a key sub-part in a brake hose or a clutch hose assembly which is one of key parts of an automobile is not leaked after the joint is tightly connected with a counterpart, and the joint is also an important performance index. Ensuring that the sealing surfaces do not leak requires strict control over the effective thread dimension of the joint, i.e. the distance (L) between the root of the thread and the sealing end of the counter element. The existing universal measuring means is to measure the joint after half-line cutting, and the means can only sample and measure but cannot carry out full inspection, and simultaneously causes waste of the joint.
Disclosure of Invention
An object of the utility model is to provide a direct quick measure effective thread size examine rule instrument for solve the defect among the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a direct quick measurement effective thread size examine rule instrument, its includes base, ejector pin, spring, footstock and percentage table, the base is inside to be run through and is provided with the through-hole to the front end of base is provided with the external screw thread that matches with the joint internal thread that awaits measuring, the ejector pin inserts the base and sets up in the through-hole, and the foremost end of ejector pin is worn out from the base front end, is provided with the boss that prevents its whole base of passing simultaneously on the ejector pin, the spring housing is established on the ejector pin, and the front end top of spring is on the boss, the footstock is connected at the rear end of base, makes the spring be in compression state in the through-hole after the footstock is connected, and the tail end of ejector pin passes from the footstock is inside, and the base and the footstock of running through of whole root ejector pin activity from top to bottom, the percentage table is installed on the footstock, and the tail end contact of the measuring staff front end of percentage table and ejector pin is just to the tail end center of ejector pin.
In a further preferred embodiment of the present invention, the through hole is divided into two through holes having different diameters, and the diameter of the front end portion is smaller than that of the rear end portion.
As a further preferable aspect of the present invention, the base and the top base are detachably connected by a screw.
As a further preferable mode of the present invention, the dial indicator is fixed to the top base by a fixing bolt.
Preferably, the external thread at the front end of the base is of a standard thread structure.
The utility model has the advantages that:
this instrument can quick direct measurement go out interior screwed joint's effective screw size L, need not destroy the joint, can carry out the total inspection to the joint simultaneously.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a gauge tool and a measurement part.
Labeled in the figure as: 1-base, 2-ejector rod, 3-spring, 4-top seat, 5-fixing bolt, 6-dial indicator, 7-joint to be tested and 8-joint sealing step.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "fixed" and "connected" are to be construed broadly, and may be, for example, 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 interconnected 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.
As shown in fig. 1 and 2, a direct quick measurement effective thread size examines rule instrument, it includes base 1, ejector pin 2, spring 3, footstock 4 and percentage table 6, base 1 is inside to be run through and is provided with the through-hole to the front end of base 1 is provided with the standard specification external screw thread that matches with the joint internal thread that awaits measuring, ejector pin 2 inserts base 1 and sets up in the through-hole, and ejector pin 2's foremost is worn out from base 1 front end, is provided with the boss that prevents its whole base 1 that passes simultaneously on ejector pin 2, spring 3 cover is established on ejector pin 2, and spring 3's front end top is on the boss, footstock 4 is connected at base 1's rear end, makes spring 3 be in compression state in the through-hole after footstock 4 connects, and the tail end of ejector pin 2 passes from footstock 4 inside, and the base 1 and the footstock 4 that runs through that whole ejector pin 2 can be movable from top to bottom, percentage table 6 installs on footstock 4, and the measuring staff front end of percentage table 6 contacts and just to the tail end center of ejector pin 2.
In the embodiment, the through hole is divided into two sections of through holes with different apertures, the aperture of the front end part is smaller than that of the rear end part, the boss on the ejector rod is positioned at the bottom of the through hole with the large aperture, and the ejector rod is in gapless contact with the base through the resilience force of the spring under the action of no other external force.
In the embodiment, the base 1 and the top seat 4 are detachably connected through threads; and the dial indicator 6 is fixed on the top seat 4 by a fixing bolt 5.
In this embodiment, the ejector pin is pressed back after the base is screwed into the joint screw thread of the piece to be measured, and the back pressure distance L can be directly measured through the dial indicator. After the ejector rod finishes the measurement of the distance L, the ejector rod is restored to the initial state through the rebound action of the spring.
The utility model discloses a measure the step as follows:
step1, resetting the gauge checking tool, manually compressing the ejector rod to be flush with the front end of the external thread of the base 1, then resetting the dial indicator to zero, then loosening the ejector rod to enable the ejector rod to be restored to the original position, and reading the dial indicator to be a negative number;
step2, inserting the external thread of the head of the gauge checking tool into the thread part of the joint to be detected, and rotating the thread to the bottommost part (till the thread cannot rotate);
step3, reading the dial indicator of the gauge checking tool to be L (the distance from the bottommost part of the effective thread to the end part of the sealing Step of the joint). Wherein a negative reading indicates that the step is below the effective thread bottom and a positive reading indicates that the step is above the effective thread bottom.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a direct quick measure effective thread size examine rule instrument, its characterized in that, includes base (1), ejector pin (2), spring (3), footstock (4) and percentage table (6), base (1) inside runs through and is provided with the through-hole to the front end of base (1) is provided with the external screw thread that matches with the joint internal thread that awaits measuring, ejector pin (2) insert base (1) and set up in the through-hole, and the foremost end of ejector pin (2) is worn out from base (1) front end, is provided with on ejector pin (2) simultaneously and prevents that it wholly passes the boss of base (1), spring (3) cover is established on ejector pin (2), and the front end top of spring (3) is on the boss, footstock (4) are connected the rear end of base (1), make spring (3) be in the compression state in the through-hole after footstock (4) are connected, and the tail end of ejector pin (2) passes from footstock (4) inside, and the whole base (1) and footstock (4) and footstock (6) are just to the tail end contact measuring pole on ejector pin (2).
2. The gauge tool for direct and rapid measurement of effective thread dimension as claimed in claim 1, wherein the through hole is divided into two sections of different bore diameters, the bore diameter of the front section being smaller than the bore diameter of the rear section.
3. The gauge tool for the direct and rapid measurement of the effective thread dimension according to claim 1, wherein the base (1) and the top seat (4) are detachably connected by a thread.
4. The gauge tool for direct and rapid measurement of effective thread dimension according to claim 1, wherein the dial indicator (6) is fixed on the top seat (4) by a fixing bolt (5).
5. The gauge tool for directly and rapidly measuring the effective thread dimension as claimed in claim 1, wherein the external thread at the front end of the base (1) is of a standard thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252950.XU CN217585565U (en) | 2022-05-24 | 2022-05-24 | Gauge checking tool for directly and rapidly measuring effective thread size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221252950.XU CN217585565U (en) | 2022-05-24 | 2022-05-24 | Gauge checking tool for directly and rapidly measuring effective thread size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217585565U true CN217585565U (en) | 2022-10-14 |
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ID=83553698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221252950.XU Active CN217585565U (en) | 2022-05-24 | 2022-05-24 | Gauge checking tool for directly and rapidly measuring effective thread size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217585565U (en) |
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2022
- 2022-05-24 CN CN202221252950.XU patent/CN217585565U/en active Active
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