CN205679165U - A kind of length detection instrument - Google Patents
A kind of length detection instrument Download PDFInfo
- Publication number
- CN205679165U CN205679165U CN201620553473.9U CN201620553473U CN205679165U CN 205679165 U CN205679165 U CN 205679165U CN 201620553473 U CN201620553473 U CN 201620553473U CN 205679165 U CN205679165 U CN 205679165U
- Authority
- CN
- China
- Prior art keywords
- detection
- limit
- detection limit
- length
- test section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of length detection instrument, including base and test section, described test section is arranged on base, described test section includes the first detection limit and the second detection limit, described first detection limit and the second detection limit are respectively arranged with two, two described first detection limits described with two second are detected frontier juncture and are arranged in same axisymmetrical, and the distance between the first detection limit described less than two of the distances between two described second detection limits.This length detection instrument, utilizes product size bound tolerance design notch cuttype opening, i.e. tolerance limit is stairstepping opening large-size, and lower variation of tolerance is the reduced size of stairstepping opening.If the size of part is not in the margin of tolerance of design, stairstepping opening can not be put in side, or can judge that with this whether the size of product is qualified by leakage under stairstepping opening.And a certain size of a kind of part or overall dimensions can be detected by this length detection instrument.
Description
Technical field
The utility model relates to the correlative technology field of piece test, particularly a kind of length detection instrument.
Background technology
Machine components produce after completing to be needed to detect its size, it is ensured that after part machines, each size is all setting
In the meter margin of tolerance, to ensure that it can normally work.It not that very high part generally uses and takes out to required precision for some
The mode of inspection detects, and i.e. extracts a part in a certain amount of part immediately and detects, obtains this batch zero with this
The qualification rate of part, as long as qualification rate can assert that in allowed band this batch part is qualified.This method needs detection
Number of parts is relatively fewer, the general measure instruments such as slide calliper rule can be used to detect its measurement of length.
But, the part that required precision is higher is needed to ensure that qualification rate reaches 100% by some, needs to each part
Detecting one by one, this situation is not just a point convenience if using slide calliper rule or other general measure instruments to measure,
And suffer from the drawback that
1st, slide calliper rule measuring speed one by one is relatively slow, time-consumingly long；
2nd, easily there is error in reading in long-time use slide calliper rule reading；
3rd, substantial amounts of measurement can make slide calliper rule bad student wear and tear, and the maintenance cost of slide calliper rule is higher.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of length detection instrument, of the prior art to solve
Technical problem.
The length detection instrument that the utility model provides, including base and test section, described test section is arranged on base,
Described test section includes that the first detection limit and the second detection limit, described first detection limit and the second detection limit are respectively arranged with two
Individual, two described first detection limits described with two second are detected frontier juncture and are arranged in same axisymmetrical, and two described second
The distance between distance the first detection limit described less than two between detection limit.
Preferably, the tolerance limit that the distance between two described first detection limits is detection length, two described second
The lower variation of tolerance that distance between detection limit is detection length.
Preferably, described test section is integrally formed with the base.
Preferably, described test section also includes organizing detection limit more, and often group detection limit includes four detection limits being parallel to each other.
The length detection instrument that the utility model provides, utilizes product size bound tolerance design notch cuttype opening, i.e.
Tolerance limit is stairstepping opening large-size, and lower variation of tolerance is the reduced size of stairstepping opening.If the size of part does not exists
In the margin of tolerance of design, stairstepping opening can not be put in side, or can judge product by leakage under stairstepping opening with this
Size whether qualified.And a certain size of a kind of part or overall dimensions can be detected by this length detection instrument.And
This length detection tool making is simply easy to use.
Brief description
By the description to the utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings:
The structural representation of the length detection instrument that Fig. 1 provides for the utility model；
The length detection instrument schematic top plan view that Fig. 2 provides for the utility model；
Fig. 3 is enlarged drawing at A in Fig. 2；
The length detection instrument schematic side view that Fig. 4 provides for the utility model.
Detailed description of the invention
It is more fully described various embodiment of the present utility model hereinafter with reference to accompanying drawing.In various figures, identical
Element uses same or similar reference to represent.For the sake of clarity, the various piece in accompanying drawing is not drawn to paint
System.
Whether the length detection instrument that the utility model provides meets for the length dimension detecting certain specific component sets
Meter standard, its concrete structure is according to the structure design of detected part.Below in conjunction with specific embodiment, the utility model is carried out
It is discussed in detail.
As shown in Figure 1, 2, the length detection instrument that the present invention provides includes base 10 and test section 20, described test section 20
It is arranged on described base 10.Described test section 20 includes the first detection limit 21 and the second detection limit 22.In the present embodiment, institute
Stating the first detection limit 21 and the second detection limit 22 being respectively provided with two, two described first detection limits 21 are arranged in parallel, two
Described second detection limit 22 is arranged in parallel, and two described first detection limits 21 and the second detection limit 22 are with regard to same axis
It is symmetrical arranged.The distance between distance the second detection limit 22 described more than two between two described first detection limits 21, and
Described first detection limit 21 is arranged far from described base 10, and described second detection limit 22 is positioned close to described base 10
Place, detects described first and forms ladder between limit 21 and the second detection limit 22, as shown in Figure 3.And, two described first inspections
The distance surveyed between limit 21 is the tolerance limit at size to be measured on part, and the distance between two described second detection limits 22 is
Lower variation of tolerance at size to be measured on part.When the size of the measured part of part is more than tolerance limit, part can not be put
Enter between two described first detection limits 21；When the measured portion size of part is less than lower variation of tolerance, part can fall into two
Between individual described second detection limit 22.Above-mentioned two situations part is defective work, when part can put into two described first
The parts that still will not fall between detection limit 21 between two described second detection limits 22 are certified products.
In the present embodiment, in order to length detection tool making is convenient, described first detection limit 21 and the second detection limit 22
Being integrally formed with described base 10, described first detection limit 21 is the projection being formed on the first face of described base 10, described
It is positioned on base 10 and form polygonal through hole 11, in the side of described polygonal through hole 11 between two described first detection limits 21
Including two limits being parallel to each other, the limit that above-mentioned two is parallel to each other is as described second detection limit 22.As shown in Figure 4, in order to
Length detection instrument easy to use, described base 10 is provided with fixing hole 12 on the second face parallel with its first face, described
Fixing hole 12 fixing for length detection instrument.Preferably, special support also can be set and detect instrument for regular length,
Support is provided for collecting the waste recovery portion of defective work, is used for collecting rejected part.
In other possible embodiments, described test section 20 includes multiple detection limit, as also include the 3rd detection limit and
4th detection limit, or more detect limit, make described test section 20 can carry out the size in part multiple directions simultaneously
Detection.
The length detection instrument that the utility model provides is according to the structure design of detected part, a direction to part
Or the length of multiple directions detects, filter out the part not meeting design standard.The simple in construction of this length detection instrument,
Do not need reading during detection, do not have being mixed into of the defective work that reading causes.And the simple in construction of length detection instrument, system
Facilitate.
It should be noted that, herein, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", "comprising" or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, the key element being limited by statement " including ... ", it is not excluded that
Including the process of described key element, method, article or equipment there is also other identical element.
It is last that it is noted that obviously above-described embodiment is only for clearly demonstrating the utility model example,
And the not restriction to embodiment.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And thus
That is amplified out obviously changes or changes among still in protection domain of the present utility model.
Claims (4)
1. a length detection instrument, it is characterised in that include base and test section, described test section is arranged on base, institute
State test section and include that the first detection limit and the second detection limit, described first detection limit and the second detection limit are respectively arranged with two,
Two described first detection limits described with two second are detected frontier juncture and are arranged in same axisymmetrical, and two described second detections
Distance between distance between limit the first detection limit described less than two.
2. length detection instrument according to claim 1, it is characterised in that the distance between two described first detection limits
For detecting the tolerance limit of length, the distance between two described second detection limits is for detecting the lower variation of tolerance of length.
3. length detection instrument according to claim 1, it is characterised in that described test section is integrally formed with the base.
4. length detection instrument according to claim 1, it is characterised in that described test section also includes organizing detection limit more,
Often group detection limit includes four detection limits being parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553473.9U CN205679165U (en) | 2016-06-08 | 2016-06-08 | A kind of length detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620553473.9U CN205679165U (en) | 2016-06-08 | 2016-06-08 | A kind of length detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679165U true CN205679165U (en) | 2016-11-09 |
Family
ID=57435662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620553473.9U Expired - Fee Related CN205679165U (en) | 2016-06-08 | 2016-06-08 | A kind of length detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823057A (en) * | 2019-12-25 | 2020-02-21 | 广州小出钢管有限公司 | Detection tool and detection method for detecting length of workpiece |
| CN113639615A (en) * | 2021-08-11 | 2021-11-12 | 攀钢集团西昌钢钒有限公司 | Free rod external diameter detection tool |
-
2016
- 2016-06-08 CN CN201620553473.9U patent/CN205679165U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823057A (en) * | 2019-12-25 | 2020-02-21 | 广州小出钢管有限公司 | Detection tool and detection method for detecting length of workpiece |
| CN113639615A (en) * | 2021-08-11 | 2021-11-12 | 攀钢集团西昌钢钒有限公司 | Free rod external diameter detection tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205679165U (en) | A kind of length detection instrument | |
| CN204115643U (en) | A kind of inspection internal thread and end face squareness fixture | |
| CN204788196U (en) | Spur rack tooth depth detection device | |
| CN106445828A (en) | Product testing method and device | |
| CN204536398U (en) | A kind of electromagnetic valve detector | |
| CN205664756U (en) | Multifunctional checking tool | |
| CN204421891U (en) | Use spirit-leveling instrument at a distance | |
| CN202304714U (en) | Depth detector for counter bore | |
| CN107726955A (en) | Multifunctional height instrument gauge head | |
| CN208579714U (en) | A kind of bolt cubing | |
| CN202562398U (en) | Portable detection gauge | |
| CN202757563U (en) | Pin testing fixture | |
| CN110261389A (en) | A kind of production quality testing process flow | |
| CN208847071U (en) | A kind of hand-held cubing of the dashboard cross member improving detection efficiency | |
| CN205014929U (en) | Detect measuring tool of accurate size of many specifications elasticity sealing ring internal diameter | |
| CN208620951U (en) | A kind of riveting nut height calibration tool | |
| CN209470659U (en) | A kind of annular surface flatness checking device | |
| CN106403751A (en) | Cylinder body multi-boss location degree detection method | |
| CN208953558U (en) | Signals of rotational speed sensor detection device | |
| CN207662314U (en) | A kind of cone mouth overall dimensions go-no go gauge cubing | |
| CN208520335U (en) | A kind of car body amount of deflection on-line dynamic measurement device of laser ranging | |
| CN207923034U (en) | A kind of cursor type component testing apparatus for verticality | |
| CN202974130U (en) | Hole edge distance measurement instrument | |
| CN205300469U (en) | Measure device that both ends identity distance leaves | |
| CN207007029U (en) | Major diameter inside micrometer device is used in a kind of diesel-engine body hole system measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |