CN107477066A - Bolt with well - Google Patents
Bolt with well Download PDFInfo
- Publication number
- CN107477066A CN107477066A CN201710793122.4A CN201710793122A CN107477066A CN 107477066 A CN107477066 A CN 107477066A CN 201710793122 A CN201710793122 A CN 201710793122A CN 107477066 A CN107477066 A CN 107477066A
- Authority
- CN
- China
- Prior art keywords
- bolt
- sleeve pipe
- diameter
- internal thread
- protuberance
- 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.)
- Pending
Links
- 238000003754 machining Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of bolt with well, it includes bolt and sleeve pipe；The bolt includes bolt top, bolt middle part and bolt bottom；External screw thread is provided with the bolt bottom；The external diameter of the lower end of described sleeve pipe is more than the diameter on the bolt top, and the upper end edge radial direction of described sleeve pipe is inwardly projecting, forms protuberance, coordinates on the internal face of the protuberance formed with internal thread, the internal thread and the external screw thread of the bolt bottom.The bolt with well of the present invention, by setting sleeve pipe, separation layer is formed between bolt bottom and surrounding components, avoids tightening and damages surrounding components in bolt rotary course；Simultaneously because sleeve outer is more than bolt top external diameter, the parts for being enclosed on bolt top are not fallen out in use, and number of parts is few, and assembly manipulation is convenient；In addition, because having gap between shaft and sleeve pipe upper internal threaded hole in the middle part of bolt, position degree tightening piece is required to reduce.
Description
Technical field
The present invention relates to a kind of fastening bolt with well, is particularly used for the close of vibrational state lower house class part
Envelope connection, belongs to connector technical field.
Background technology
At present, the valve mechanism cover of engine is monolithic construction, and its sealing surface between cylinder cap is larger, cover structure rigidity
Difference, easily deform under vibrating conditions.Cover lid main function is mist of oil in canned motor crankcase, and seal pressure requirement is not
It is high but want stable equilibrium.General sealed attachment method increases rubber gasket between cover lid and cylinder head, using bolt and bullet
Spring, which coordinates, carries out elastic connection, and the application relation of axial force during elastic connection is：Bolt → spring → cover lid → rubber seal
Pad → cylinder cap.
Though existing scheme can provide stable thrust, realize the sealing between cover lid and cylinder cap, in rundown process because
Rubber gasket plasticity is strong, and with the progress for tightening operation, rubber gasket can be brought near bolt, and now bolt still exists
Constantly rotation, may damage rubber gasket, influence sealing reliability；Meanwhile in existing scheme remove cover lid when, bolt and
Spring is needed to remove from cover lid respectively, operation inconvenience, and the structures such as the pad for preventing that spring from deviating from, but number of components are carried in part-structure
Amount is more, for the first time complex operation during assembling；In addition, high is required to position degree between cover cap bore and cylinder head bore in existing scheme.
The content of the invention
It is an object of the present invention to provide a kind of bolt with well, it at least solves one of above-mentioned technical problem.
The present invention solves technical problem and adopted the following technical scheme that：A kind of bolt with well, it is characterised in that including spiral shell
Bolt and sleeve pipe；
The bolt includes bolt top, in the middle part of bolt and bolt bottom, the upper end connection in the middle part of the bolt with it is described
The lower end on bolt top, the lower end in the middle part of the bolt are connected to the upper end of the bolt bottom；The diameter on the bolt top
More than the diameter of the bolt bottom, the diameter of the bolt bottom is more than the diameter in the middle part of the bolt, the bolt bottom
On be provided with external screw thread；Formed with flange on the bolt top；
The external diameter of the lower end of described sleeve pipe is more than the diameter on the bolt top, the upper end edge radial direction of described sleeve pipe to
It is projecting inward, protuberance is formed, formed with internal thread, the internal thread and the bolt bottom on the internal face of the protuberance
External screw thread coordinates.
Optionally, the path of the internal thread of the protuberance is more than the shaft external diameter in the middle part of bolt.
Optionally, the external diameter of described sleeve pipe is more than the diameter on the bolt top.
Optionally, it is provided with one section of annular groove with the bolt upper bar.
Optionally, the top of the outside wall surface of described sleeve pipe is divided into the conical surface, and bottom is divided into the face of cylinder.
Optionally, the endoporus of described sleeve pipe is shoulder hole.
Optionally, the internal thread of the protuberance is after machining, cut-out ridge, convex after excision to cause
The internal diameter for going out portion is more than the path of former internal thread, and less than the big footpath of former internal thread.
The present invention has the advantages that：The present invention bolt with well, by setting sleeve pipe, bolt bottom with
Separation layer is formed between surrounding components, avoids tightening and damages surrounding components in bolt rotary course；Simultaneously because of sleeve pipe outside
Footpath is more than bolt top external diameter, and the parts for being enclosed on bolt top are not fallen out in use, and number of parts is few, assembling
It is easy to operate；In addition, because having gap between shaft and sleeve pipe upper internal threaded hole in the middle part of bolt, position degree tightening piece is required
Reduce.
Brief description of the drawings
Fig. 1 is the structural representation of the bolt with well of the present invention；
Fig. 2 is the sectional view of the bolt with well of the present invention；
Fig. 3 is the sectional view of the sleeve pipe of the present invention；
Fig. 4 is another structural representation of the bolt with well of the present invention；
Mark is illustrated as in figure：1- bolts；11- bolts top；In the middle part of 12- bolts；13- bolts bottom；2- sleeve pipes；21-
Protuberance.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
Present embodiments provide a kind of bolt with well, including bolt 1 and sleeve pipe 2.
The bolt 1 divides for bolt top 11,12 and bolt bottom 13 in the middle part of bolt, the upper end connection in the middle part of the bolt
With the lower end on the bolt top, the lower end in the middle part of the bolt is connected to the upper end of the bolt bottom.The bolt top
Diameter be more than the diameter of the bolt bottom, the diameter of the bolt bottom is more than the diameter in the middle part of the bolt, and, it is described
Bolt is provided with external screw thread on bottom；It is highly preferred that formed with flange on the bolt top.
The external diameter of the lower end of described sleeve pipe 2 is more than the diameter on the bolt top, it is highly preferred that the external diameter of described sleeve pipe 2
More than the diameter on the bolt top.
The upper end edge radial direction of described sleeve pipe 2 is inwardly projecting, formation protuberance 21, shape on the internal face of the protuberance
Into there is internal thread, the internal thread and the external screw thread of the bolt bottom coordinate, in the present embodiment, the internal thread of the protuberance
Path be more than bolt in the middle part of 12 shaft external diameter.
In the present embodiment, it is preferable that one section of annular groove is provided with the shaft of bolt top 11, to reduce bolt 1
Material usage, while reduce component weight.
The top of the outside wall surface of described sleeve pipe 2 is divided into the conical surface, and bottom is divided into the face of cylinder, and the endoporus of described sleeve pipe 2 is
Shoulder hole, to increase the wall thickness of sleeve pipe 2, improve the intensity of sleeve pipe 2；In the present embodiment, the internal thread of the protuberance is machining
Afterwards, cut-out ridge, to cause the internal diameter of the protuberance after excision to be more than the path of former internal thread, and it is less than former internal thread
Big footpath.
The bolt with well of the present invention is first in use, first by parts such as the springs being enclosed on outside bolt top 11
It is inserted in, then screws in sleeve pipe 2, now bolt 1, spring, the assembling of sleeve pipe 2 forms an assembly.Because the foot external diameter of sleeve pipe 2 is more than set
The internal diameter of the parts such as the spring outside bolt top 11, therefore when taking assembly part, spring is not fallen out；Assembly is filled
When being assigned on cover lid and cylinder cap, tighten during bolt cover lid and the rubber gasket between cylinder cap part is compressed is brought to sleeve pipe 2
Around, but not bolt 1 is touched, therefore rubber gasket will not be damaged in bolt rotary course；Meanwhile because 12 in the middle part of bolt
External diameter it is smaller than the internal diameter of sleeve pipe 21, therefore bolt 11 still can be according to the position relationship between cover bonnet bolt hole and cylinder cap screwed hole
Fine setting, position degree between the two is required to reduce.
Compared with prior art, the present invention is formed between bolt bottom and surrounding components and isolated by setting sleeve pipe
Layer, avoids tightening and damages surrounding components in bolt rotary course；Simultaneously because sleeve outer is more than bolt top external diameter, it is enclosed on
The parts on bolt top in use, are not fallen out；In addition, because in the middle part of bolt shaft and sleeve pipe upper internal threaded hole it
Between have gap, tightening piece position degree require reduce.
The sequencing of above example only for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (7)
1. a kind of bolt with well, it is characterised in that including bolt and sleeve pipe；
The bolt includes bolt top, in the middle part of bolt and bolt bottom, upper end connection and the bolt in the middle part of the bolt
The lower end on top, the lower end in the middle part of the bolt are connected to the upper end of the bolt bottom；The diameter on the bolt top is more than
The diameter of the bolt bottom, the diameter of the bolt bottom are more than the diameter in the middle part of the bolt, set on the bolt bottom
It is equipped with external screw thread；Formed with flange on the bolt top；
The external diameter of the lower end of described sleeve pipe is more than the diameter on the bolt top, and the upper end edge radial direction of described sleeve pipe is to convex
Go out, formation protuberance, formed with internal thread, the internal thread and the outer spiral shell of the bolt bottom on the internal face of the protuberance
Line coordinates.
2. bolt with well according to claim 1, it is characterised in that the path of the internal thread of the protuberance is more than
Shaft external diameter in the middle part of bolt.
3. bolt with well according to claim 1, it is characterised in that the external diameter of described sleeve pipe is more than on the bolt
The diameter in portion.
4. bolt with well according to claim 1, it is characterised in that be provided with one section with the bolt upper bar
Annular groove.
5. bolt with well according to claim 1, it is characterised in that the top of the outside wall surface of described sleeve pipe is divided into cone
Face, bottom are divided into the face of cylinder.
6. bolt with well according to claim 1, it is characterised in that the endoporus of described sleeve pipe is shoulder hole.
7. bolt with well according to claim 1, it is characterised in that the internal thread of the protuberance is machining
Afterwards, cut-out ridge, to cause the internal diameter of the protuberance after excision to be more than the path of former internal thread, and it is less than former internal thread
Big footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793122.4A CN107477066A (en) | 2017-09-06 | 2017-09-06 | Bolt with well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710793122.4A CN107477066A (en) | 2017-09-06 | 2017-09-06 | Bolt with well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477066A true CN107477066A (en) | 2017-12-15 |
Family
ID=60603607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710793122.4A Pending CN107477066A (en) | 2017-09-06 | 2017-09-06 | Bolt with well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026939A (en) * | 2018-10-30 | 2018-12-18 | 马勒汽车技术（中国）有限公司 | The connection component of anti-dropout and assembling assembly including the connection component |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007017398U1 (en) * | 2006-12-13 | 2008-04-30 | Richard Bergner Verbindungstechnik Gmbh & Co. Kg | Assembly unit and such a comprehensive component |
| CN202971519U (en) * | 2012-11-25 | 2013-06-05 | 凌泽波 | Novel spring screw |
| US20130294863A1 (en) * | 2012-05-01 | 2013-11-07 | Hanwit Precision Industries Ltd. | Floating fastener |
| CN104405755A (en) * | 2014-11-15 | 2015-03-11 | 哈尔滨广瀚燃气轮机有限公司 | Bolt set for connecting plate and shaft parts |
| CN106609787A (en) * | 2015-10-26 | 2017-05-03 | 江苏苏洋机电工具有限公司 | High-strength fastening bolt |
-
2017
- 2017-09-06 CN CN201710793122.4A patent/CN107477066A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202007017398U1 (en) * | 2006-12-13 | 2008-04-30 | Richard Bergner Verbindungstechnik Gmbh & Co. Kg | Assembly unit and such a comprehensive component |
| US20130294863A1 (en) * | 2012-05-01 | 2013-11-07 | Hanwit Precision Industries Ltd. | Floating fastener |
| CN202971519U (en) * | 2012-11-25 | 2013-06-05 | 凌泽波 | Novel spring screw |
| CN104405755A (en) * | 2014-11-15 | 2015-03-11 | 哈尔滨广瀚燃气轮机有限公司 | Bolt set for connecting plate and shaft parts |
| CN106609787A (en) * | 2015-10-26 | 2017-05-03 | 江苏苏洋机电工具有限公司 | High-strength fastening bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026939A (en) * | 2018-10-30 | 2018-12-18 | 马勒汽车技术（中国）有限公司 | The connection component of anti-dropout and assembling assembly including the connection component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |