CN204135950U - A kind of thread connection installs special spanner sleeve - Google Patents

A kind of thread connection installs special spanner sleeve Download PDF

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Publication number
CN204135950U
CN204135950U CN201420578662.2U CN201420578662U CN204135950U CN 204135950 U CN204135950 U CN 204135950U CN 201420578662 U CN201420578662 U CN 201420578662U CN 204135950 U CN204135950 U CN 204135950U
Authority
CN
China
Prior art keywords
district
screw thread
attaching parts
abnormal screw
accommodating cavity
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
CN201420578662.2U
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Chinese (zh)
Inventor
龚功长
黄清元
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.)
Dragon Engineering (jiangxi) Machinery Co Ltd
Original Assignee
Dragon Engineering (jiangxi) Machinery 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 Dragon Engineering (jiangxi) Machinery Co Ltd filed Critical Dragon Engineering (jiangxi) Machinery Co Ltd
Priority to CN201420578662.2U priority Critical patent/CN204135950U/en
Application granted granted Critical
Publication of CN204135950U publication Critical patent/CN204135950U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of simple and reasonable for structure, the thread connection of the reliability and essence that can improve the connection of corresponding parts installs special spanner sleeve.Comprise sleeve body, the corresponding sidewall of its accommodating cavity of described sleeve body offers transition opening port, its accommodating cavity comprises correspondingly to the forced section and corresponding afterbody that are applied abnormal screw thread attaching parts respectively to be puted forth effort district and corresponding dodges district, the described aperture dodging its transition opening port of district is greater than the corresponding size of the afterbody being applied abnormal screw thread attaching parts accordingly, described in put forth effort its shape of cross section of district corresponding with the corresponding corresponding shape size being applied the forced section of abnormal screw thread attaching parts with corresponding size.

Description

A kind of thread connection installs special spanner sleeve
Technical field
The utility model relates to a kind of erecting tools.Particularly relate to a kind of thread connection and special spanner sleeve is installed.
Background technology
In the equipment in the fields such as machinery, when often running into the fastening installation of the connection of some its outer end head shapes or the special parts of structure, the even special instrument of general common tool all cannot be suitable for, and brings very large inconvenience to corresponding installing/dismounting etc.Such as, the screw thread pair connection of main safety valve assembly (DF32.2-009) mat M39X2-6H/6g relatively more conventional in engineering machinery is installed on multiple directional control valve (LGDF32.2), its screw thread pair connects that to install clamp load torque be 160-185N.m, and when screw thread pair screws installation, sleeve should be linked in the positive hexagonal of diagram main valve body.But pressure regulating screw wherein locks the outer end that locking mother is positioned at main valve body, pressure regulating screw locking stop nut is substantially equal with two positive hexagonal opposite side sizes of adjacent main valve body, and due on the existing specific mechanical configurations direction be parallel to each other that makes the plane of two adjacent positive hexagonals all cannot be positioned in the ordinary course of things, therefore be stochastic variable for its two positive hexagonal structure of main safety valve assembly of batch buying the angle α under umbrella-waiting state, and for certain the main safety valve assembly in batch, the existence of angle α belongs to intrinsic contradictions and cannot change.Insert the positive hexagonal fit with its main valve body because pressure regulating screw locking stop nut blocks common wrench socket from main safety valve assembly axial outer end, cause realizing assembly screw thread pair and connect the clamp load torque designing requirement of installing.
Utility model content
The purpose of this utility model is the deficiency existed for above-mentioned prior art, provides a kind of thread connection to install special spanner sleeve.It is simple, rationally that this thread connection installs special spanner tube-in-tube structure, specific using function can be met and intensity and life characteristic good, the operations such as fastening installations can be simplified, reliability and the precision of the connection of corresponding parts can be improved, increase work efficiency.
The technical scheme that the utility model thread connection installs special spanner sleeve comprises sleeve body, the corresponding sidewall of its accommodating cavity of described sleeve body offers transition opening port, its accommodating cavity comprises correspondingly to the forced section and corresponding afterbody that are applied abnormal screw thread attaching parts respectively to be puted forth effort district and corresponding dodges district, the described aperture dodging its transition opening port of district is greater than the corresponding size of the afterbody being applied abnormal screw thread attaching parts accordingly, it is described that to put forth effort its shape of cross section of district corresponding with the corresponding corresponding shape size being applied the forced section of abnormal screw thread attaching parts with corresponding size.
The forced section of described abnormal screw thread attaching parts is a positive hexagonal portion, distance between a pair opposite side being greater than the positive hexagonal portion being applied abnormal screw thread attaching parts corresponding to its aperture of transition opening port of putting forth effort district of described accommodating cavity, is less than the distance between its a pair diagonal angle.
Its shape of transition opening port dodging district described in corresponding to can be corresponding with the radial shape of the corresponding site of the afterbody of corresponding abnormal screw thread attaching parts.
The utility model thread connection is installed special spanner sleeve and had both been overcome ordinary cartridge spanner cannot insert fit positive hexagonal force part structure wherein defect from the axis of special mounting object, can support the use again make screwing of mounted object satisfiedly design clamp load torque requirement with common torque-indicating wrencg.
Accompanying drawing explanation
Fig. 1 is that the utility model thread connection installs special spanner sleeve one example structure schematic diagram; Fig. 2 and Fig. 3 is respectively this thread connection and installs special spanner sleeve and corresponding be applied abnormal screw thread attaching parts with the use of schematic diagram.
Detailed description of the invention
For understanding the technical solution of the utility model further, by following examples, the utility model is described in further detail by reference to the accompanying drawings.Following embodiment is only the prominent example of application technical solutions of the utility model, allly takes equivalent replacement or equivalent transformation and the technical scheme that formed, all drops within the claimed scope of the utility model.
As Figure 1-3, the thread connection of the present embodiment is installed special spanner sleeve and is comprised the sleeve body 1 be provided with in axial accommodating cavity 9, is connected to the spanner connecting portion 5 of the corresponding one end of sleeve body 1 (tail end) end.The corresponding side sidewall of sleeve body 1 offer accommodating cavity 9, transition opening port 3 radially, the accommodating cavity 9 of sleeve body 1 comprise by spanner connecting portion 5 one end dodge district 4 be positioned at the relative other end (by free end) put forth effort district 2.The length of sleeve body 1 accommodating cavity 9 is greater than the corresponding length of abnormal screw thread attaching parts 6.It is applied the main safety valve assembly that abnormal screw thread attaching parts 6 are a multiple directional control valve in the present embodiment.
The shape of cross section (peripheral wall surfaces shape) putting forth effort district 2 of accommodating cavity 9, corresponding radial dimension and length (corresponding size) etc. are corresponding to corresponding shape of cross section, radial dimension and the length in the positive hexagonal portion 8 being applied abnormal screw thread attaching parts 6.The internal diameter of dodging district 4 of accommodating cavity 9 slightly larger than be applied abnormal screw thread attaching parts 6 afterbody 7, the full-size (or maximum outside diameter) that comprises length and radial direction, tolerable sleeve body rotates freely.
Corresponding to the aperture dodging the radial direction of the transition opening port 3b in district 4 of accommodating cavity 9 slightly larger than the part beyond the positive hexagonal position of the afterbody 7(abnormal screw thread attaching parts of corresponding abnormal screw thread attaching parts 6) the size (size) of radial direction of corresponding site, its shape can be corresponding with the radial shape of the corresponding site of the afterbody 7 of corresponding abnormal screw thread attaching parts 6.
Distance between a pair opposite side (two limits paralleled) being greater than the positive hexagonal portion 8 being applied abnormal screw thread attaching parts 6 corresponding to the aperture of putting forth effort the radial direction of the transition opening port 3a in district 2 of accommodating cavity 9, is less than the distance (or a pair opposite side of the transition opening port 3a and positive hexagonal position that put forth effort district 2 is of a size of matched in clearance) between its a pair diagonal angle.
During use, by sleeve body putting forth effort district and dodge the transition opening port in district and be inserted in the accommodating cavity of sleeve body corresponding to the smallest radial size place (two limits paralleled) in the positive hexagonal portion 8 of abnormal screw thread attaching parts 6 from its accommodating cavity, make the corresponding wall surface cover of the internal perisporium putting forth effort district in the positive hexagonal position of abnormal screw thread attaching parts, so that the active force that spanner rotates acts on this positive hexagonal position, be socketed on the spanner connecting portion of sleeve body again with the square toes of spanner, the installation or removal of abnormal screw thread attaching parts can be implemented.Its using state as shown in Figures 2 and 3.Its spanner is torque-indicating wrencg.
The utility model wrench socket is specially adapted to the installation of the main safety valve assembly comprising the multiple directional control valves such as LGDF32.2 and LGNDF32B.Not only solving common wrench sleeve cannot the difficult problem that uses of fit, and easy to operate, durable.

Claims (3)

1. a thread connection installs special spanner sleeve, comprise sleeve body, it is characterized in that the corresponding sidewall of its accommodating cavity of described sleeve body offers transition opening port, its accommodating cavity comprises correspondingly to the forced section and corresponding afterbody that are applied abnormal screw thread attaching parts respectively to be puted forth effort district and corresponding dodges district, the described aperture dodging its transition opening port of district is greater than the corresponding size of the afterbody being applied abnormal screw thread attaching parts accordingly, it is described that to put forth effort its shape of cross section of district corresponding with the corresponding corresponding shape size being applied the forced section of abnormal screw thread attaching parts with corresponding size.
2. thread connection installs special spanner sleeve according to claim 1, it is characterized in that the forced section of described abnormal screw thread attaching parts is a positive hexagonal portion, distance between a pair opposite side being greater than the positive hexagonal portion being applied abnormal screw thread attaching parts corresponding to its aperture of transition opening port of putting forth effort district of described accommodating cavity, is less than the distance between its a pair diagonal angle.
3. thread connection installs special spanner sleeve according to claim 1, it is characterized in that its shape of transition opening port dodging district described in corresponding to can be corresponding with the radial shape of the corresponding site of the afterbody of corresponding abnormal screw thread attaching parts.
CN201420578662.2U 2014-10-09 2014-10-09 A kind of thread connection installs special spanner sleeve Expired - Fee Related CN204135950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420578662.2U CN204135950U (en) 2014-10-09 2014-10-09 A kind of thread connection installs special spanner sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420578662.2U CN204135950U (en) 2014-10-09 2014-10-09 A kind of thread connection installs special spanner sleeve

Publications (1)

Publication Number Publication Date
CN204135950U true CN204135950U (en) 2015-02-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420578662.2U Expired - Fee Related CN204135950U (en) 2014-10-09 2014-10-09 A kind of thread connection installs special spanner sleeve

Country Status (1)

Country Link
CN (1) CN204135950U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2551109A (en) * 2016-05-09 2017-12-13 Nerrad Ltd A tool for tightening or loosening a domestic tap fitting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2551109A (en) * 2016-05-09 2017-12-13 Nerrad Ltd A tool for tightening or loosening a domestic tap fitting

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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: 20150204

Termination date: 20151009

EXPY Termination of patent right or utility model