CN207687158U - A kind of fastening bolt assembly - Google Patents
A kind of fastening bolt assembly Download PDFInfo
- Publication number
- CN207687158U CN207687158U CN201721877589.9U CN201721877589U CN207687158U CN 207687158 U CN207687158 U CN 207687158U CN 201721877589 U CN201721877589 U CN 201721877589U CN 207687158 U CN207687158 U CN 207687158U
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- bolt
- screw rod
- fastening bolt
- bolt head
- bolt assembly
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Abstract
A kind of fastening bolt assembly, belong to component of machine technical field, the fastening bolt assembly, including bolt body, the bolt body includes bolt head and screw rod, it is characterized in that, it is provided with annular groove on the inside of the bolt head, rubber sheet gasket is connected in annular groove, the thickness of rubber sheet gasket is more than the depth of annular groove, it is provided with washer on the screw rod, the oil leab of lubrication bolt ontology is provided in the bolt head, the utility model has the beneficial effects that, the fastening bolt assembly structure is simple, favorable rust preventing effect, replacement easy to disassemble, it is not easily to fall off between parts, improve its service life, reduce use cost.
Description
Technical field
The utility model is related to component of machine technical field more particularly to a kind of fastening bolt assemblies.
Background technology
Bolt is a kind of adapted nut or the cylindrical threaded fastener being connect with body screw-thread fit, for making two
A above part is fixed together.The bolt of the prior art includes head and screw rod, and wherein bolt head is mostly turret head, four
Square toes or big homalocephalus cross etc..Traditional secure component needs bolt and spring washer, plain washer etc. being applied in combination, spring pad
Circle is widely used in the load of common mechanical product and non-bearing structure, its main feature is that it is of low cost, easy for installation, but very
It is easy to happen cleavage phenomenon, and most of is disposable, and new spring washer is needed replacing after dismounting;For plain washer
Will appear after long-time use with bolt head corrosion, be unfavorable for dismounting and change.Therefore, it is necessary to a kind of new fastening bolts to solve
The certainly above problem.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of fastening bolt assembly, solves existing spiral shell
Tether fitting and be easy the high problem of corrosion, replacement cost, it is therefore intended that, design a kind of fastening bolt assembly, make bolt head and
It is not likely to produce corrosion between washer, is conveniently replaceable and re-uses.
To achieve the above object, technical solution adopted by the utility model to solve its technical problems is:The fastening spiral shell
Bolt assembly, including bolt body, the bolt body include bolt head and screw rod, which is characterized in that in the bolt head
Side is provided with annular groove, and rubber sheet gasket is connected in annular groove, and the thickness of rubber sheet gasket is more than the depth of annular groove, institute
It states and is provided with washer on screw rod.
Further, the oil leab of lubrication bolt ontology is provided in the bolt head.
Further, the oil leab interlinks with annular groove, the oil leab include main oil gallery and with main oil
Branch's oil duct of road connection.
Further, the main oil gallery is arranged at the middle part of bolt head, and branch's oil duct is arranged diagonally downward.
Further, the main oil gallery is set as bellmouth, and the big end of the bellmouth is connected with branch oil duct, bellmouth
Small end be pierced by the outer end face of bolt head.
Further, branch's oil duct is provided with multiple, and is uniformly distributed along the central axis of bolt head.
Further, the connecting pin of the screw rod and bolt head is provided with the card slot coordinated with washer.
Further, the end of the screw rod is additionally provided with threaded hole, the center line of the threaded hole and the center of screw rod
Axis perpendicular.
The utility model has the beneficial effects that:
1, the annular groove being arranged on the inside of the bolt head of fastening bolt assembly, annular groove is interior to be clamped rubber sheet gasket, makes
Rubber sheet gasket is by bolt head and washer spacer, it is therefore prevented that generates the case where corrosion between bolt head and washer, and is convenient for
Dismounting and change is also repeated and is utilized;
2, the oil leab that lubrication bolt ontology is also set up in bolt head is passed through antirust oil by timing to main oil gallery,
So that antirust oil is flowed into annular groove by branch oil duct, rubber sheet gasket lubricated first, extra antirust oil by outside screw rod after
Afterflow is lubricated to whole to bottom, further improves rust-proof effect;
3, the connecting pin of screw rod and bolt head is provided with the card slot coordinated with washer, makes fastening bolt assembly in transport
Process middle washer is not easily to fall off, also washer can be further prevented to fall off by precession threaded in the threaded hole of screw rod end, also may be used
Precession rod piece plays the role of rotating handles in threaded hole, plays and screws and unscrew screw rod.
To sum up, the fastening bolt assembly structure is simple, favorable rust preventing effect, replacement easy to disassemble, be not easy between parts
It falls off, improves its service life, reduce use cost.
Description of the drawings
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of the A-A sectional views of Fig. 1;
Label in above-mentioned figure is:1. bolt body, 11. bolt heads, 12. screw rods, 121. card slots, 122. screw threads
Hole, 13. annular grooves, 14. rubber sheet gaskets, 15. washers, 16. oil leabs, 161. main oil gallerys, 162. branch's oil ducts.
Specific implementation mode
Specific embodiment of the present utility model is made into one by the description to optimum embodiment below against attached drawing
Step detailed description.
The utility model specific embodiment is:As shown in Figure 1 and Figure 2, a kind of fastening bolt assembly includes bolt body
1, bolt body 1 includes bolt head 11 and screw rod 12, and the inside of bolt head 11 is provided with annular groove 13, in annular groove 13
It is connected with rubber sheet gasket 14, the thickness of rubber sheet gasket 14 is more than the depth of annular groove 13, washer 15 is provided on screw rod 12.
Further, in order to improve rust-proof effect, the oil leab of lubrication bolt ontology 1 is provided in bolt head 11
16, specifically, oil leab 16 interlinks with annular groove 13, and oil leab 16 includes main oil gallery 161 and connects with main oil gallery 161
Logical branch's oil duct 162, by injecting antirust oil into main oil gallery 161, it is right in annular groove 13 to be flowed to by branch's oil duct 162
Rubber sheet gasket 14 and washer 15 are lubricated, and extra antirust oil is moistened by continuing to bottom outside screw rod 12 to whole
It is sliding, further improve rust-proof effect;Main oil gallery 161 is arranged at the middle part of bolt head 11, and branch's oil duct 162, which is tilted towards, to be divided into
Set, i.e., branch's oil duct 162 may be provided with multiple, and the central axis along bolt head 11 is uniformly distributed, make branch's oil duct 162 along
The central axis of bolt head 11 is arranged in umbrella, makes antirust oil outflow evenly, rust-proof effect is more preferable;In order to slow down antirust
The flowing velocity of oil, main oil gallery 161 are set as bellmouth, and the big end of bellmouth is connected with branch oil duct 162, the small end of bellmouth
It is pierced by the outer end face of bolt head 11, certain storage is played in the big end of bellmouth by the small end injection antirust oil of bellmouth and makees
With can be replenished in time antirust oil, and the small end of bellmouth is arranged then reduces the amount of foreign matter entrance in outside, make antirust oil
Lubricant effect it is more preferable.
Further, screw rod 12 and the connecting pin of bolt head 11 are provided with the card slot 121 coordinated with washer 15, are transporting
Make washer 15 not easily to fall off by the blocking of card slot 121 in the process, ensure that the integrality of part entirety;For further stop washer
Circle 15 falls off, and the end of screw rod 12 is additionally provided with threaded hole 122, threaded can be installed into threaded hole 122 to stop, screw thread
The center line in hole 122 and the central axis of screw rod 12 are perpendicular, also can play the works of rotating handles by precession rod piece in threaded hole
With playing the role of screwing and unscrewing screw rod 12;In order to keep connection more secured, bolt body 1 may be configured as flange face bolt, increase
Installation contact area is added.
The installation process of the fastening bolt assembly is:Rubber sheet gasket 14 is fit into annular groove 13 first, so
Washer 15 (combination of elastic washer and plain washer or plain washer) socket is entered in card slot 121 afterwards, after completing assembly, will be fastened
Bolt assembly is installed to designated position, is fastened by locking nut, finally the precession rod piece into the threaded hole 122 of 12 end of screw rod
Screw rod 12 is further screwed, then completes installation.
To sum up, the fastening bolt assembly structure is simple, favorable rust preventing effect, replacement easy to disassemble, be not easy between parts
It falls off, improves its service life, reduce use cost.
The above, some principles of the utility model that only explains through diagrams, this specification are not intended to this practicality
It is novel to be confined in the shown concrete structure and the scope of application, thus it is every be possible to be utilized corresponding change and wait
Jljl belongs to the apllied the scope of the claims of the utility model.
Claims (8)
1. a kind of fastening bolt assembly, including bolt body (1), the bolt body (1) includes bolt head (11) and screw rod
(12), which is characterized in that be provided with annular groove (13) on the inside of the bolt head (11), rubber is connected in annular groove (13)
Glue gasket (14), the thickness of rubber sheet gasket (14) are more than the depth of annular groove (13), washer are provided on the screw rod (12)
(15)。
2. fastening bolt assembly according to claim 1, it is characterised in that:It is provided with lubrication in the bolt head (11)
The oil leab (16) of bolt body (1).
3. fastening bolt assembly according to claim 2, it is characterised in that:The oil leab (16) and annular groove
(13) it interlinks, the oil leab (16) includes main oil gallery (161) and the branch's oil duct (162) being connected to main oil gallery (161).
4. fastening bolt assembly according to claim 3, it is characterised in that:The main oil gallery (161) is arranged in bolt head
The middle part in portion (11), branch's oil duct (162) are arranged diagonally downward.
5. fastening bolt assembly according to claim 3 or 4, it is characterised in that:The main oil gallery (161) is set as taper
The big end in hole, the bellmouth is connected with branch's oil duct (162), and the small end of bellmouth is pierced by the outer end face of bolt head (11).
6. fastening bolt assembly according to claim 5, it is characterised in that:Branch's oil duct (162) be provided with it is multiple,
And it is uniformly distributed along the central axis of bolt head (11).
7. fastening bolt assembly according to claim 1, it is characterised in that:The screw rod (12) and bolt head (11)
Connecting pin is provided with the card slot (121) with washer (15) cooperation.
8. fastening bolt assembly according to claim 1 or claim 7, it is characterised in that:The end of the screw rod (12) is also set up
There are threaded hole (122), the central axis of the center line and screw rod (12) of the threaded hole (122) perpendicular.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721877589.9U CN207687158U (en) | 2017-12-28 | 2017-12-28 | A kind of fastening bolt assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721877589.9U CN207687158U (en) | 2017-12-28 | 2017-12-28 | A kind of fastening bolt assembly |
Publications (1)
Publication Number | Publication Date |
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CN207687158U true CN207687158U (en) | 2018-08-03 |
Family
ID=62993170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721877589.9U Active CN207687158U (en) | 2017-12-28 | 2017-12-28 | A kind of fastening bolt assembly |
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CN (1) | CN207687158U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110500355A (en) * | 2019-08-28 | 2019-11-26 | 陈浩然 | A kind of thrust washer |
-
2017
- 2017-12-28 CN CN201721877589.9U patent/CN207687158U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110500355A (en) * | 2019-08-28 | 2019-11-26 | 陈浩然 | A kind of thrust washer |
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