CN204188097U - A kind of taper thread mandrel - Google Patents

A kind of taper thread mandrel Download PDF

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Publication number
CN204188097U
CN204188097U CN201420567297.5U CN201420567297U CN204188097U CN 204188097 U CN204188097 U CN 204188097U CN 201420567297 U CN201420567297 U CN 201420567297U CN 204188097 U CN204188097 U CN 204188097U
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China
Prior art keywords
taper thread
rod
shank
king
thread
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Active
Application number
CN201420567297.5U
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Chinese (zh)
Inventor
王长土
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Changhua auto parts Limited by Share Ltd
Original Assignee
ZHEJIANG CHANGHUA AUTO PARTS CO Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201420567297.5U priority Critical patent/CN204188097U/en
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Publication of CN204188097U publication Critical patent/CN204188097U/en
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Abstract

The utility model relates to a kind of taper thread mandrel, for the accessory of test measuring device, comprise: a shank, a king-rod portion, a taper thread portion, a thin rod part and two center pit portions, described shank is a right cylinder, one end home position of described shank offers a described center pit portion, and other one end of described shank connects described king-rod portion; The other one end in described king-rod portion connects described taper thread portion; Described taper thread portion is a taper thread, and large footpath, path and central diameter are all identical taperings; Described thin rod part is a right cylinder, and described thin rod part is connected to the other one end in described taper thread portion, and the another one in described center pit portion is positioned at other one end of described thin rod part; Described shank, king-rod portion, taper thread portion, thin rod part and two center pit portions are concentric.The utility model is benchmark with the pitch diameter of thread, is the detection accessory that a kind of structure is simple, easy to operate, positioning precision is high.

Description

A kind of taper thread mandrel
Technical field
It take screw thread as the detection accessory of benchmark that the utility model relates to a kind of, is particularly the taper thread mandrel that the serial form and position tolerance of benchmark detects with the pitch diameter of thread.
Background technology
Along with the develop rapidly of auto industry, element precision requires more and more higher, higher requirement is also proposed to the detection of product, for a long time, the measurement of screw position tolerance is at home and abroad a difficulties always, because the singularity of threaded engagement, screw thread is existing end play in the process coordinated, there is radial play again, so cannot accurately locate in the process measured, thus also just cannot Measurement accuracy.In the manufacturing process of nut, close key nut, the processing of important nut all requires the right alignment of screw thread and some machining elements, circle is beated, verticality, the precision of the positions of related features such as position degree reaches certain requirement, at present, be that the product form and position tolerance that benchmark provides is very general with the pitch diameter of thread, but the detection and location scheme of prior art exists, and error is comparatively large or operation is inconvenient, make to detect also corresponding appearance erroneous judgement, even misjudge, the part causing input to be installed and used also exists hidden danger of quality, add the cost of overhaul in later stage, bring many unnecessary troubles and loss.Therefore, there are some problems to be solved in prior art.
Utility model content
It take screw thread as the novel detection accessory of benchmark that the purpose of this utility model is to provide a kind of, and the structure of this accessory is simple, easy to use and positioning precision is high.Particularly detect with screw thread the detection of the form and position tolerance being benchmark, more precisely, fast and conveniently, to solve the problem of prior art.
For achieving the above object, the utility model have employed following technical scheme:
A kind of taper thread mandrel, for the accessory of test measuring device, described taper thread mandrel comprises: a shank, a king-rod portion, a taper thread portion, a thin rod part and two center pit portions,
Described shank is a right cylinder, and one end home position of described shank offers a described center pit portion, and other one end of described shank connects described king-rod portion;
The other one end in described king-rod portion connects described taper thread portion;
Described taper thread portion is a taper thread, and large footpath, path and central diameter are all identical taperings;
Described thin rod part is a right cylinder, and described thin rod part is connected to the other one end in described taper thread portion, and the another one in described center pit portion is positioned at other one end of described thin rod part;
Described shank, king-rod portion, taper thread portion, thin rod part and two center pit portions are concentric.
According to the taper thread mandrel described in the utility model preferred embodiment, described test measuring device is admired for same.
According to the taper thread mandrel described in the utility model preferred embodiment, described test measuring device is vee-block.
According to the taper thread mandrel described in the utility model preferred embodiment, described test measuring device is deflection instrument.
Owing to have employed above technical scheme, the utility model is made to have following advantageous effect:
The first, the utility model uses tapering to feel relieved with tested part in testing process, coordinates gapless, locates more accurate;
The second, the utility model coordinates other mechanism can improve sensing range greatly, can survey multiple tolerance;
Three, the utility model is simple and reliable for structure, easy for installation.
Certainly, implement any one specific embodiment of the utility model content, above whole technique effect might not be had simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model and vee-block schematic diagram;
Fig. 3 is that the utility model admires schematic diagram with same;
Fig. 4 is the utility model and deflection instrument schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, illustrate the utility model;
Please refer to Fig. 1, for structural representation of the present utility model, a kind of taper thread mandrel 10, for the accessory of test measuring device, shown in figure, described taper thread mandrel 10 comprises: shank 11, king-rod portion 12, taper thread portion 13, thin rod part 14 and two center pit portions 15, wherein, described shank 11 is right cylinders, on one end home position of shank 11, offer a center pit portion 15, and connect described king-rod portion 12 in other one end of shank 11; The other one end in described king-rod portion 12 connects described taper thread portion 13; Described taper thread portion 13 is taper threads, and large footpath, path and central diameter are all identical taperings, and taper thread size is determined according to threaded hole size, when after screw-in internal thread, can obtain good certralizing ability; Identical screw thread specification, different accuracy (E, G, H) all can use same taper thread mandrel 10, and usable range improves greatly, decreases inspection cost; Described thin rod part 14 is a right cylinder, and described thin rod part 14 is connected to the other one end in described taper thread portion 13, and the another one in described center pit portion 15 is positioned at other one end of described thin rod part 14; Described shank 11, king-rod portion 12, taper thread portion 13, thin rod part 14 and two center pit portions 15 are concentric, and keep high right alignment.
In addition, shank 11, center pit portion 15 are connected with other test measuring device and play the role of positioning, and then reach the object of accurate measurement; Such as shown in Fig. 2, can connect with vee-block 20 with the cylindrical of shank 11, detecting step is: 1, screwed in by nut in taper thread portion 13, and directly causing can not till turn; 2, by shank 11 by being fixed on shown in figure on V-block 20, and control axial displacement; 3, tapering threaded mandrel 10 is rotated, with beating of the centimeter check nut conical surface.
Again as shown in Figure 3, be connected with admiring 30, detecting step is: 1, screwed in by nut in taper thread portion, until can not till turn; 2, shank 11 being inserted with admiring on 30 by shown in figure, regulating block 31 and controlling to move axially, and compressing shank 11 by pinch roller 32; 3, rotate handwheel 33, drive nut rotates, and detects beating of the nut conical surface with dial gauge 34.
In addition, as shown in Figure 4, center pit portion 15 connects with deflection instrument, and detecting step is: 1, screwed in by nut in taper thread portion 13, until can not till turn; 2, by taper thread mandrel as shown in the figure, by two top 41 dead center hole portions 15; 3, dial gauge is fixed on appropriate location, rotates tapering threaded mandrel, with beating of the centimeter check nut conical surface.In example, the effect of thin rod part 14 is the inspections of auxiliary school.
Thought and the principle of the application are: the form and position tolerance detection accessory taking the pitch diameter of thread as benchmark.The pitch diameter of thread is located with tapering, makes more accurate, the accurate gapless in threaded engagement face.Coordinate with other test measuring device, as admired, vee-block or deflection instrument, more can accurately measure the form and position tolerance of product, as right alignment, circle is beated, verticality, position degree, total run-out etc.In addition, threaded portion is made into taper, namely taper thread, and nut can self-centering by the pitch diameter of thread, saves centering technique.
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provides a kind of measurer accessory detecting screw position tolerance, and its structure is simple, novel in design, compact, uses simple operation, makes simple, production cost is low, and accuracy of detection is high, is convenient to promote the use of.Owing to have employed above technical scheme, the utility model is made to have following advantageous effect:
The first, the utility model uses tapering to feel relieved with tested part in testing process, coordinates gapless, locates more accurate.
The second, the utility model coordinates other mechanism can improve sensing range greatly, can survey multiple tolerance.
Three, the utility model is simple and reliable for structure, easy for installation.
Be only several concrete embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of, all should drops in protection domain of the present utility model.

Claims (4)

1. a taper thread mandrel, for the accessory of test measuring device, is characterized in that: described taper thread mandrel comprises: a shank, a king-rod portion, a taper thread portion, a thin rod part and two center pit portions,
Described shank is a right cylinder, and one end home position of described shank offers a described center pit portion, and other one end of described shank connects described king-rod portion;
The other one end in described king-rod portion connects described taper thread portion;
Described taper thread portion is a taper thread, and large footpath, path and central diameter are all identical taperings;
Described thin rod part is a right cylinder, and described thin rod part is connected to the other one end in described taper thread portion, and the another one in described center pit portion is positioned at other one end of described thin rod part;
Described shank, king-rod portion, taper thread portion, thin rod part and two center pit portions are concentric.
2. taper thread mandrel as claimed in claim 1, is characterized in that: described test measuring device is admired for same.
3. taper thread mandrel as claimed in claim 1, is characterized in that: described test measuring device is vee-block.
4. taper thread mandrel as claimed in claim 1, is characterized in that: described test measuring device is deflection instrument.
CN201420567297.5U 2014-09-29 2014-09-29 A kind of taper thread mandrel Active CN204188097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420567297.5U CN204188097U (en) 2014-09-29 2014-09-29 A kind of taper thread mandrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420567297.5U CN204188097U (en) 2014-09-29 2014-09-29 A kind of taper thread mandrel

Publications (1)

Publication Number Publication Date
CN204188097U true CN204188097U (en) 2015-03-04

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106441039A (en) * 2016-06-07 2017-02-22 思维福特南通精密机械有限公司 Thread perpendicularity detection device
CN111102910A (en) * 2018-10-28 2020-05-05 国营四达机械制造公司 Thread coaxiality measuring tool and measuring method
CN111735386A (en) * 2020-06-22 2020-10-02 哈尔滨汽轮机厂有限责任公司 Hole measuring tool and method for measuring internal center hole of special part with structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106441039A (en) * 2016-06-07 2017-02-22 思维福特南通精密机械有限公司 Thread perpendicularity detection device
CN111102910A (en) * 2018-10-28 2020-05-05 国营四达机械制造公司 Thread coaxiality measuring tool and measuring method
CN111102910B (en) * 2018-10-28 2020-11-24 国营四达机械制造公司 Thread coaxiality measuring tool and measuring method
CN111735386A (en) * 2020-06-22 2020-10-02 哈尔滨汽轮机厂有限责任公司 Hole measuring tool and method for measuring internal center hole of special part with structure

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 315324 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang

Patentee after: Zhejiang Changhua auto parts Limited by Share Ltd

Address before: 315300 Zhouxiang Town Industrial Park, Cixi City, Ningbo, Zhejiang

Patentee before: Zhejiang Changhua Auto Parts Co., Ltd.