CN107097177B - Washer deviation prevention mounting tool in bolt connection - Google Patents
Washer deviation prevention mounting tool in bolt connection Download PDFInfo
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- CN107097177B CN107097177B CN201710481874.7A CN201710481874A CN107097177B CN 107097177 B CN107097177 B CN 107097177B CN 201710481874 A CN201710481874 A CN 201710481874A CN 107097177 B CN107097177 B CN 107097177B
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- sleeve
- washer
- gasket
- wrench
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/28—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing resilient bushings or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention provides a mounting tool for preventing a gasket from deviating in bolt connection, which comprises a spanner for preventing the gasket from deviating and/or a sleeve for preventing the gasket from deviating; the anti-gasket-shifting wrench comprises a wrench main body and a wrench head, wherein the front surface and the back surface of the opening of the wrench head are respectively provided with a gasket positioning arc surface corresponding to a gasket with a specification; prevent that packing ring skew sleeve anterior segment is the cover barrel head, be equipped with the polygon hole in the cover barrel head, be equipped with the square hole in the back end, just polygon hole and square hole link up, the front end surface department of polygon hole process one with correspond the packing ring position sleeve of specification packing ring. By adopting the anti-gasket-deviation mounting tool, the anti-gasket-deviation wrench or the anti-gasket-deviation sleeve can be used singly or simultaneously according to actual conditions, so that the bolt (nut) and the gasket are coaxially mounted within a certain controllable range, the gasket deviation is reduced, and the mounting position is more reasonable.
Description
Technical Field
The invention belongs to the technical field of fasteners, and particularly relates to a washer deviation prevention mounting tool in bolt connection.
Background
The bolt connection is that a bolt penetrates through the through holes of the two connected components, then a washer is sleeved on the bolt connection, and a nut is screwed. It is widely used in the occasion that the two sides are allowed to be assembled and disassembled, and the thickness between the connected parts is not very large. However, when the bolt (nut) and the washer are coupled to the machine member, the central axis of the washer and the central axis of the bolt (nut) have a problem of large coaxial deviation (shown in fig. 1), and the connection strength and firmness between the machine members cannot be ensured.
Disclosure of Invention
The invention aims to solve the problem that the central axis of a washer and the central axis of a bolt (nut) have large coaxial deviation in the process of connecting the bolt (nut) and the washer with a machine member, and provides a mounting tool for preventing the washer from deviating in bolt connection, which is used for mounting the bolt (nut) and the washer coaxially within a certain controllable range, reducing the offset of the washer and ensuring that the mounting position is more reasonable.
In order to solve the technical problems, the invention adopts the following technical scheme:
a washer-displacement prevention installation tool in bolt coupling comprises a washer-displacement prevention wrench and/or a washer-displacement prevention sleeve;
the anti-gasket-shifting wrench comprises a wrench main body and a wrench head, wherein the front surface and the back surface of the opening of the wrench head are respectively provided with a gasket positioning arc surface corresponding to a gasket with a specification;
prevent that packing ring skew sleeve anterior segment is the cover barrel head, be equipped with the polygon hole in the cover barrel head, be equipped with the square hole in the back end, just polygon hole and square hole link up, the front end surface department of polygon hole process one with correspond the packing ring position sleeve of specification packing ring.
Further, the position and the processing depth of the positioning arc surface of the gasket are as follows:
and processing a concave circular arc or a cylindrical step hole by taking the intersection point of the center line of the bolt head or the nut in the opening of the wrench head and the center line of the opposite side of the wrench as the circle center of the circular arc according to the radius size of the circular arc of the standard or non-standard washer executed by the washer, wherein the concave depth size of the circular arc or the cylindrical hole is larger than the thickness of the washer.
Further, the position and the processing depth of the gasket locating sleeve are as follows:
and (3) processing the surface of the polygonal inner hole of the sleeve, wherein the outer diameter of the processed polygonal inner hole is 0.10mm larger than that of the standard washer or the nonstandard washer, the processing direction is that the side end surface of the polygonal inner hole of the sleeve faces the inner hole, the depth is equal to or larger than the thickness of the washer, and the hexagonal or polygonal sleeve head is kept coaxial with the step hole in the processing process (as shown in figure 6).
Further, the gasket deviation preventing sleeve is a hexagonal sleeve or a quincuncial sleeve.
Further, the washer deviation preventing wrench is a standard or non-standard open-end solid wrench and a hollow box wrench.
By adopting the anti-gasket-deviation mounting tool, the anti-gasket-deviation wrench or the anti-gasket-deviation sleeve can be used singly or simultaneously according to actual conditions, so that the bolt (nut) and the gasket are coaxially mounted within a certain controllable range, the gasket deviation is reduced, and the mounting position is more reasonable.
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a conventional bolt (nut) and washer in connection with a machine member, in which there is a large coaxial deviation between a central axis of the washer and a central axis of the bolt (nut);
in fig. 1, bolt; 2. a gasket; 3. a structural member A; 4. a structural member B; 5. a gasket; 6. a nut;
FIG. 2 is a schematic structural view of one embodiment of the washer shifting prevention wrench of the present invention;
FIG. 3 is a cross-sectional view C-C of FIG. 2;
FIG. 4 is a schematic end view of a sleeve head of one embodiment of the gasket deflection prevention sleeve of the present invention;
FIG. 5 is another end view of the anti-backup sleeve of FIG. 4;
FIG. 6 is a half sectional view of the gasket displacement prevention sleeve shown in FIG. 4;
FIG. 7 is a schematic end view of a sleeve head of another embodiment of the gasket deflection prevention sleeve of the present invention;
FIG. 8 is another end view of the anti-backup sleeve of FIG. 7;
FIG. 9 is a half sectional view of the gasket displacement prevention sleeve shown in FIG. 7;
FIG. 10 is a schematic view of a use of the washer deflection prevention installation tool of the present invention;
fig. 11 is a schematic structural view of a bolt (nut) and a washer in a reasonable installation position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, a detailed construction will be set forth in order to provide a thorough understanding of the present invention. It is apparent that the invention may be practiced without limitation to the specific details known to those skilled in the art. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
Embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The invention develops a set of washer and bolt (nut) coaxial anti-offset wrench and sleeve, namely the installation tool comprises a washer-offset-proof wrench and a washer-offset-proof sleeve.
Example 1
Referring to fig. 2 and 3, the invention relates to a washer-offset-preventing wrench 7 for preventing washer offset in bolt connection, wherein the washer-offset-preventing wrench 7 is an improvement of a common open solid wrench and comprises a wrench body 7-1 and a wrench head 7-2, and a washer positioning arc surface 7-3 corresponding to a washer with a specification is respectively processed on the front side and the back side of an opening of the wrench head 7-2; wherein, the position and the processing depth of the gasket positioning arc surface 7-3 are as follows: as shown in fig. 2, according to the standard or non-standard washer implemented by the washer, the radius of the arc is the radius of the bolt head or nut, the intersection point of the center line of the bolt head or nut in the opening of the wrench head and the center line of the opposite side of the wrench is used as the circle center of the arc, a concave arc or cylindrical step hole is processed, and the concave depth of the arc or cylindrical hole is larger than the thickness of the washer. After processing, reference numerals 7-4 in fig. 2 and 3 represent opposite sides of the opening of the wrench; and 7-5, the positioning end surface of the gasket, namely the processing depth position of the positioning arc surface of the gasket.
As shown in figures 4-6, the washer-shifting preventing sleeve 8 for preventing washer shifting in bolt coupling according to the present invention is a hexagonal sleeve and comprises a sleeve main body 8-1, the front section of the sleeve main body 8-1 is a sleeve head 8-2, a hexagonal inner hole 8-3 is provided in the sleeve head 8-2, a square hole (generally called a square driver) 8-4 is provided in the rear section, the hexagonal inner hole 8-3 and the square hole 8-4 are communicated, a positioning pin hole 8-5 is provided at one side of the square hole 8-4, and a washer positioning sleeve 8-6 corresponding to a washer of a corresponding specification is processed at the front end surface of the hexagonal inner hole 8-3. Wherein, the position and the processing depth of the gasket locating sleeve 8-6 are as follows: the end face of a hexagonal inner hole 8-3 of the sleeve is machined, the diameter is larger than the outer diameter of a standard washer or a non-standard washer by 0.10mm, the machining direction is that the side end face of the hexagonal inner hole of the sleeve is machined into the hole, the depth is equal to or larger than the thickness of the washer, the hexagonal sleeve head and a step hole are kept coaxial in the machining process, as shown in figures 4-6, in actual machining, a guide conical surface 8-7 is arranged on the outer end face of a washer positioning sleeve 8-6, a hexagonal edge guide conical surface 8-8 is arranged at the interface of the hexagonal inner hole 8-3 and the washer positioning sleeve 8-6, the diameter of the washer of the embodiment is the length of a diagonal line of the hexagonal nut, and therefore the diameter of the machined washer positioning sleeve 8-6 is also larger than the.
Example 2
As shown in fig. 7 to 9, which are schematic structural views of another embodiment of the washer deviation prevention sleeve, which is different from the example 1 shown in fig. 4 to 6, in that the diameter of the washer is smaller than the diagonal line length of the hexagonal nut but larger than the opposite-side line length of the hexagonal nut, so that the diameter of the processed washer locating sleeve 8 to 9 is also smaller than the diagonal line length of the hexagonal nut and larger than the opposite-side line length of the hexagonal nut. Therefore, the diameter of the gasket positioning sleeve can be adjusted at any time according to the sizes of different gaskets.
In the above embodiments, the washer-shift-preventing sleeve may also be a double offset ring, and the washer-shift-preventing wrench may be a standard or non-standard open solid wrench and a hollow double offset ring wrench.
As shown in fig. 10, by using the anti-offset washer installation tool of the present invention, the anti-offset washer wrench or the anti-offset washer sleeve can be used individually or simultaneously according to the actual situation, so that the bolt (nut) and the washer can be coaxially installed within a certain controllable range, generally less than 1% of the nominal diameter of the bolt or nut, the offset of the washer is reduced, the installation position is more reasonable, as shown in fig. 11, the installation position of the washer is reasonable, and the connection strength and firmness between the machine parts can be ensured.
Such as when a user uses multiple layers of washers or multiple layers of different size washers in conjunction with a bolt (nut) and washer during attachment to a workpiece. The inner part of the sleeve can be processed into stepped holes with different sizes according to the outer diameter of the used washer so as to match the washer and the bolt (nut) to keep certain coaxial requirements in screwing installation.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides an prevent packing ring skew mounting tool in bolt coupling which characterized in that: the anti-offset washer comprises an anti-offset washer wrench and an anti-offset washer sleeve;
prevent that packing ring skew spanner includes spanner main part and spanner head, the positive and negative two sides of spanner head opening part respectively process one and correspond the packing ring location arc surface of specification packing ring, the position and the machining depth of packing ring location arc surface: processing a concave circular arc or a cylindrical step hole by taking the intersection point of the center line of the bolt head or the nut in the opening of the wrench head and the center line of the opposite side of the wrench as the circle center of a circular arc according to the radius size of a standard or non-standard washer executed by the washer as the radius size of the circular arc, wherein the concave depth size of the circular arc or the cylindrical step hole is larger than the thickness of the washer;
prevent packing ring skew sleeve includes sleeve main part, sleeve main part anterior segment is the sleeve head, be equipped with the polygon hole in the sleeve head, be equipped with the square hole in the back end, just polygon hole and square hole link up, set up the locating pin hole in one side of square hole, the front end surface department of polygon hole process one with correspond the packing ring position sleeve of specification packing ring, the position and the depth of processing of packing ring position sleeve: the surface of the polygonal inner hole of the sleeve is processed, the diameter of the polygonal inner hole is larger than the outer diameter of a standard washer or a non-standard washer by 0.10mm, the side end face of the polygonal inner hole of the sleeve is processed in the hole in the processing direction, the depth of the polygonal inner hole is equal to or larger than the thickness of the washer, and the polygonal sleeve head and the step hole are kept coaxial in the processing process.
2. The tool for preventing the offset of the washer in the bolt coupling according to claim 1, wherein: the gasket deviation preventing sleeve is a hexagonal sleeve or a quincuncial sleeve.
3. The tool for preventing the offset of the washer in the bolt coupling according to claim 1, wherein: the anti-gasket deviation wrench is a standard or non-standard open solid wrench or a hollow box wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481874.7A CN107097177B (en) | 2017-06-22 | 2017-06-22 | Washer deviation prevention mounting tool in bolt connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481874.7A CN107097177B (en) | 2017-06-22 | 2017-06-22 | Washer deviation prevention mounting tool in bolt connection |
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| Publication Number | Publication Date |
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| CN107097177A CN107097177A (en) | 2017-08-29 |
| CN107097177B true CN107097177B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710481874.7A Active CN107097177B (en) | 2017-06-22 | 2017-06-22 | Washer deviation prevention mounting tool in bolt connection |
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| CN (1) | CN107097177B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608203A (en) * | 2018-07-09 | 2018-10-02 | 北京北方车辆集团有限公司 | A method of for preventing elastic washer piston ring |
| CN110842833A (en) * | 2019-11-29 | 2020-02-28 | 中铁高铁电气装备股份有限公司 | Sleeve for preventing spring washer from expanding |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO112593B1 (en) * | 1997-02-03 | 1997-11-28 | Geta Vancea | Depressing device |
| CN201565909U (en) * | 2009-12-21 | 2010-09-01 | 江西洪都航空工业集团有限责任公司 | Tool for mounting teflon gasket |
| CN201736149U (en) * | 2010-07-13 | 2011-02-09 | 东风襄樊旅行车有限公司 | Socket wrench |
| CN202200232U (en) * | 2011-09-01 | 2012-04-25 | 北汽福田汽车股份有限公司 | Wrench sleeve |
| CN105290861A (en) * | 2015-12-09 | 2016-02-03 | 马晶晶 | Safety type chuck spanner device |
| CN206010902U (en) * | 2016-08-22 | 2017-03-15 | 国网天津市电力公司 | A kind of Magnetic spanner instrument for power distribution live-wire |
| CN106166724A (en) * | 2016-09-23 | 2016-11-30 | 江西洪都航空工业集团有限责任公司 | A kind of packing ring clamping tool |
| CN106346409A (en) * | 2016-11-11 | 2017-01-25 | 西安近代化学研究所 | Sealed bomb gasket dismounting tool |
| CN206869807U (en) * | 2017-06-22 | 2018-01-12 | 青岛德莫克机械设备有限公司 | Anti- packing ring skew installation tool in bolted on connection |
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- 2017-06-22 CN CN201710481874.7A patent/CN107097177B/en active Active
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