CN202517439U - Plug screw unscrewing tool - Google Patents

Plug screw unscrewing tool Download PDF

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Publication number
CN202517439U
CN202517439U CN2011205419846U CN201120541984U CN202517439U CN 202517439 U CN202517439 U CN 202517439U CN 2011205419846 U CN2011205419846 U CN 2011205419846U CN 201120541984 U CN201120541984 U CN 201120541984U CN 202517439 U CN202517439 U CN 202517439U
Authority
CN
China
Prior art keywords
tool
plug screw
fixed muffle
fixed
dismantling
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
Application number
CN2011205419846U
Other languages
Chinese (zh)
Inventor
王国友
安聪慧
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 Geely Power Train Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Jirun Automobile 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.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Jirun Automobile Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN2011205419846U priority Critical patent/CN202517439U/en
Application granted granted Critical
Publication of CN202517439U publication Critical patent/CN202517439U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a tooling manufacturing tool, in particular to a plug screw unscrewing tool for unscrewing a plug screw in a mechanical type torque spanner. The plug screw unscrewing tool comprises a cylindrical tool body and a fixed sleeve. A handle is arranged at one end of the tool body, and a pin matched with a blind hole on the plug screw is fixed at the other end of the tool body. One end of the fixed sleeve is provided with an inner thread, and the other end of the fixed sleeve is provided with a fixed hole. The outer wall of the tool body is provided with an outer thread, and the tool body and the fixed sleeve are in threaded connection. The plug screw unscrewing tool has the advantages that the plug screw unscrewing tool can stably unscrew the plug screw without causing personal harms to operators and is timesaving and laborsaving in use since the fixed sleeve is added and the tool body and the fixed sleeve are in threaded rotation.

Description

A kind of plug screw dismantling device
Technical field
The utility model relates to a kind of frock fixture, especially relates to a kind of plug screw dismantling device that is used to dismantle the plug screw in the mechanical type torque spanner.
Background technology
The inside of common mechanical formula torque spanner all is fixed with a plug screw, and main effect provides a static supporting surface, supports the feed motion of torque spanner adjustment bolt, guarantees the realization of torque spanner setting value.Like Figure of description 4, shown in 5; Its fixing means is for to open a groove on plug screw, the function that plug screw is had expand outwardly is provided with taper bolt in groove; Through tightening taper bolt; Make the plug screw big external diameter that rises along its sagittal plane, thus with the torque spanner cylindrical shell in very firm blocking of internal thread, it can't be moved up and down.
During torque spanner uses, when internal part breaks down, could change the parts that damage after need taking plug screw apart, but the easy stripped thread of the ten minutes of the taper bolt on the plug screw causes easily plug screw to dismantle, thereby influences the repairing of torque spanner.So be equipped with the blind hole that is used to dismantle on the general plug screw, existing a kind of plug screw dismantling device is shown in Figure of description 6; This dismantling device is provided with the pin corresponding with above-mentioned blind hole; By this extracting tool, the blind hole on pin and the plug screw is blocked, manually rotate this extracting tool again; Rotate thereby drive plug screw, separate with the torque spanner cylindrical shell up to plug screw.
But, when tolling breakdown plug screw, need to use very big power ability turn bolt by instrument because plug screw is stuck state; Dismounting is effort comparatively, is provided with the bigger torque spanner dynamometer spring of elastic force in addition below the plug screw, if firmly excessive; Plug screw is with after torque spanner separates; Out of hand easily under the thrust of dynamometer spring, the operator is brought personal injury, there is potential safety hazard.
Summary of the invention
The utility model mainly is to the existing dismounting effort of existing plug screw dismantling device, has the problem of potential safety hazard, provide a kind of easy to use, time saving and energy saving, the plug screw dismounting is steady, can not bring the plug screw dismantling device of personal injury to the operator.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals: a kind of plug screw dismantling device, comprise columned tool body, and an end of tool body is provided with handle; The other end of tool body be fixed with plug screw on the adaptive pin of blind hole; It also comprises fixed muffle, and an end of fixed muffle is provided with internal thread, and the other end of fixed muffle is provided with fixing hole; The outer wall of tool body is provided with external screw thread, and tool body is threaded with fixed muffle.Fixed muffle can be nested with on the torque spanner cylindrical shell; And make fixed muffle and torque spanner cylindrical shell relative fixed through fixing hole; Can plug screw be disassembled through this dismantling device, because tool body and fixed muffle are the screw thread rotation motion, the plug screw dismounting is steady again; Can not bring personal injury to the operator, and use time saving and energy saving.
As preferably, described external screw thread is covered with the outer wall of tool body, and externally threaded length is less than the length of internal thread.Externally threaded length when can dismantling, can guarantee that the internal thread of fixed muffle can not cause wearing and tearing to the torque spanner cylindrical shell less than the length of internal thread again.
As preferably, offer on the described tool body and dodge groove, dodge groove and be arranged at the end that pin is set on the tool body.Because the adjustment bolt evagination of torque spanner is dodged groove so be provided with, avoid interfering.
As preferably, described pin has two, and two pins are symmetrically distributed in the both sides of dodging groove.Owing to be equipped with two blind holes on the general plug screw, thus with it correspondence two pins are set, the stressed uniform and stable of plug screw during dismounting can play.
As preferably, described fixing hole is a screwed hole, and fixing hole has four, and four fixing holes evenly are arranged on the outer wall of fixed muffle along the circumferential direction of fixed muffle.Fixing hole is a screwed hole, can pass through dog screw, and fixed muffle and torque spanner cylindrical shell are fixed.
Therefore, the beneficial effect of the utility model is: set up fixed muffle, moved,, can not bring personal injury the operator so the plug screw dismounting is steady because tool body and fixed muffle are screw thread rotation, and use time saving and energy saving.
Description of drawings
Accompanying drawing 1 is a kind of partial sectional view of the utility model;
Accompanying drawing 2 is partial sectional views of fixed muffle in the utility model;
Accompanying drawing 3 is a kind of structural representations of plug screw in the utility model removal torque spanner;
Accompanying drawing 4 is partial sectional views of existing a kind of torque spanner;
Accompanying drawing 5 is vertical views of the plug screw in existing a kind of torque spanner;
Accompanying drawing 6 is a kind of structural representations of existing a kind of plug screw dismantling device.
Shown in the figure: 1-tool body, 2-handle, 3-pin, 4-fixed muffle, 5-fixing hole, 6-dodge groove, 7-plug screw, 8-blind hole, 9-torque spanner cylindrical shell, 10-and adjust bolt.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment:
Shown in Figure of description 1, a kind of plug screw dismantling device comprises tool body 1, handle 2 and fixed muffle 4.
Tool body 1 is cylindric; Handle 2 is that " ten " word is capable; Handle 2 is fixed in an end of tool body 1, and an end relative with handle 2 offers the square groove 6 of dodging along the radial direction of tool body 1 on the tool body 1, be provided with on the tool body 1 end of dodging groove 6 be fixed with plug screw 7 on the adaptive pin 3 of blind hole 8; Pin 3 all has two and corresponding one by one with blind hole 8, and two pins 3 are symmetrically fixed on the both sides of dodging groove 6.
Shown in Figure of description 2; The inwall of fixed muffle 4 one ends is provided with internal thread, and being covered with on the outer wall of tool body 1 has external screw thread, and externally threaded length is less than the length of internal thread; Tool body 1 is threaded with fixed muffle 4; An end relative with internal thread on the fixed muffle 4 is provided with four fixing holes 5, and fixing hole 5 is a screwed hole, and four fixing holes 5 evenly are arranged on the outer wall of fixed muffle 4 along the circumferential direction of fixed muffle 4.
This dismantling device is used for the plug screw on the dismounting torque spanner, and the internal diameter of fixed muffle should guarantee that fixed muffle can be nested with on the torque spanner cylindrical shell, and in disassembly process, can not cause wearing and tearing to the torque spanner cylindrical shell greater than the external diameter of torque spanner cylindrical shell.
Shown in Figure of description 3; With the plug screw on the removal torque spanner is example, and concrete unloading process is: this dismantling device is nested on the torque spanner cylindrical shell, two pins are inserted in the two dismounting blind holes on the torque spanner plug screw; Dog screw is encased in four screwed holes of this dismantling device bottom and tightens; Guarantee the position relative fixed of fixed muffle and torque spanner cylindrical shell, rotate the handle of this dismantling device then, its axis along fixed muffle accurately and is effectively rotated rise or descend; So just can take stuck plug screw very easily out of, whole process is steadily laborsaving.
Can find; This dismantling device is owing to there is a fixed muffle, after on the torque spanner cylindrical shell, makes the entire tool can not be along scurrying on the torque spanner tubular axis at four bolt lockings of fixed muffle bottom; Thereby guarantee in the process of dismounting plug screw; Two pins of this dismantling device do not separate with plug screw dismounting hole, and entire tool can not separated with the torque spanner cylindrical shell yet simultaneously, has guaranteed personal safety.
This dismantling device is a kind of automanual plug screw dismantling device, and maximum characteristics are to use safety and dismounting effective, under the situation that the taper bolt of torque spanner plug screw can normally be taken apart, are equally applicable to the dismounting of plug screw.Fixed sleeve part can be designed to V-arrangement clamping structure or flute profile clamping structure according to the exterior cross-section shape of torque spanner cylindrical shell structurally except its other part female thread portion in addition.
Should be understood that this embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Claims (5)

1. plug screw dismantling device; Comprise columned tool body (1), an end of tool body (1) is provided with handle (2), the other end of tool body (1) be fixed with plug screw (7) on the adaptive pin (3) of blind hole (8); It is characterized in that; It also comprises fixed muffle (4), and an end of fixed muffle (4) is provided with internal thread, and the other end of fixed muffle (4) is provided with fixing hole (5); The outer wall of tool body (1) is provided with external screw thread, and tool body (1) is threaded with fixed muffle (4).
2. a kind of plug screw dismantling device according to claim 1 is characterized in that described external screw thread is covered with the outer wall of tool body (1), and externally threaded length is less than the length of internal thread.
3. a kind of plug screw dismantling device according to claim 1 and 2 is characterized in that, offers on the described tool body (1) and dodges groove (6), dodges groove (6) and is arranged at the end that pin (3) is set on the tool body (1).
4. a kind of plug screw dismantling device according to claim 3 is characterized in that described pin (3) has two, and two pins (3) are symmetrically distributed in the both sides of dodging groove (6).
5. a kind of plug screw dismantling device according to claim 1 and 2; It is characterized in that; Described fixing hole (5) is a screwed hole, and fixing hole (5) has four, and four fixing holes (5) evenly are arranged on the outer wall of fixed muffle (4) along the circumferential direction of fixed muffle (4).
CN2011205419846U 2011-12-22 2011-12-22 Plug screw unscrewing tool Expired - Fee Related CN202517439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205419846U CN202517439U (en) 2011-12-22 2011-12-22 Plug screw unscrewing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205419846U CN202517439U (en) 2011-12-22 2011-12-22 Plug screw unscrewing tool

Publications (1)

Publication Number Publication Date
CN202517439U true CN202517439U (en) 2012-11-07

Family

ID=47100406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205419846U Expired - Fee Related CN202517439U (en) 2011-12-22 2011-12-22 Plug screw unscrewing tool

Country Status (1)

Country Link
CN (1) CN202517439U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103522254A (en) * 2013-10-15 2014-01-22 内蒙古第一机械集团有限公司 Tightening tool for inner sleeve and outer sleeve
CN105127945A (en) * 2015-08-31 2015-12-09 重庆长安汽车股份有限公司 Disassembly tool for oil drain plug of engine oil bottom shell
CN105866395A (en) * 2016-05-19 2016-08-17 中国石油集团西部钻探工程有限公司 Cement paste cup pressure relief device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103522254A (en) * 2013-10-15 2014-01-22 内蒙古第一机械集团有限公司 Tightening tool for inner sleeve and outer sleeve
CN105127945A (en) * 2015-08-31 2015-12-09 重庆长安汽车股份有限公司 Disassembly tool for oil drain plug of engine oil bottom shell
CN105127945B (en) * 2015-08-31 2017-01-18 重庆长安汽车股份有限公司 Disassembly tool for oil drain plug of engine oil bottom shell
CN105866395A (en) * 2016-05-19 2016-08-17 中国石油集团西部钻探工程有限公司 Cement paste cup pressure relief device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JINAN GEELY AUTO SPARE PARTS CO., LTD. HUNAN LUOYO

Free format text: FORMER OWNER: ZHEJIANG GEELY HOLDING GROUP CO., LTD.

Effective date: 20130513

Owner name: ZHEJIANG GEELY LUOYOU ENGINE CO., LTD.

Free format text: FORMER OWNER: ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD.

Effective date: 20130513

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130513

Address after: 315800 Zhejiang Province, Ningbo city Beilun District Road No. 1528 new street Mt. Hengshan.

Patentee after: Zhejiang Geely Luoyou Engine Co., Ltd.

Patentee after: Ji'nan Geely Auto Parts Co., Ltd.

Patentee after: Hunan Luoyou Engine Parts Co., Ltd.

Patentee after: Zhejiang Geely Holding Group Co., Ltd.

Address before: 315800, No. 1528, Mt. Hengshan Road, Ningbo economic and Technological Development Zone, Zhejiang

Patentee before: Zhejiang Jirun Automobile Co., Ltd.

Patentee before: Zhejiang Geely Holding Group Co., Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province

Co-patentee after: Ji'nan Geely Auto Parts Co., Ltd.

Patentee after: Zhejiang Geely Power Assembly Co., Ltd.

Co-patentee after: Hunan Luoyou Engine Parts Co., Ltd.

Co-patentee after: Zhejiang Geely Holding Group Co., Ltd.

Address before: 315800 No. 1528 Hengshan Road, Xinting Street, Beilun District, Ningbo City, Zhejiang Province

Co-patentee before: Ji'nan Geely Auto Parts Co., Ltd.

Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd.

Co-patentee before: Hunan Luoyou Engine Parts Co., Ltd.

Co-patentee before: Zhejiang Geely Holding Group Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121107

Termination date: 20201222