CN211009493U

CN211009493U - Flywheel bolt for high-precision engine

Info

Publication number: CN211009493U
Application number: CN201922269784.9U
Authority: CN
Inventors: 裴成俊; 朱亨仁
Original assignee: Dajinhe Auto Parts Chongqing Co ltd
Current assignee: Dajinhe Auto Parts Chongqing Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-14
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to the technical field of fasteners, and discloses a flywheel bolt for a high-precision engine, which comprises a screw rod and a bolt head, wherein the screw rod and the bolt head are integrally formed, a gasket is fixed between the screw rod and the bolt head, a conical head is integrally formed at one end of the screw rod far away from the bolt head, a threaded groove is formed at one end of the outer surface wall of the screw rod close to the conical head, and an annular shallow groove is formed at the outer surface wall of the gasket. High efficiency and prolonged service life of the flywheel bolt.

Description

Flywheel bolt for high-precision engine

Technical Field

The utility model belongs to the technical field of the fastener, concretely relates to flywheel bolt for high accuracy engine.

Background

The bolt is a mechanical part, and is a fastener consisting of a head part and a screw rod and used for fastening and connecting two parts with through holes.

However, flywheel bolts in the existing market have certain defects when in use, the traditional flywheel bolts have poor flow guiding effect on lubricating oil, the threads on the bolt body are easily damaged or blocked in the process of installing or disassembling the bolts, and normal use is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flywheel bolt for high accuracy engine to it is poor to the water conservancy diversion effect of lubricating oil to provide traditional flywheel bolt in solving above-mentioned background art, easily causes the bolt body on the screw thread damage or the dead problem of card, in addition, the bolt does not set up multiple wrong structure of twisting, is difficult to carry out the problem of twisting soon behind the smooth silk of original bolt head.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flywheel bolt for high accuracy engine, includes screw rod and bolt head, screw rod and bolt head integration constitute, and be fixed with the gasket between screw rod and the bolt head, the one end integrated into one piece that the bolt head was kept away from to the screw rod has the cone, the outer table wall of screw rod and the one end that is close to the cone have seted up the thread groove, annular shallow slot has been seted up to the outward table wall of gasket, the outer table wall of gasket and the inboard that is located annular shallow slot are annular array and have seted up the bar shallow slot, the water conservancy diversion through-hole has been seted up to the inside bottom of bar shallow slot, the outer table wall of screw rod and the one end symmetry that is close to.

Preferably, a hexagonal hole is formed in the middle of the outer surface wall of the bolt head, and through grooves are formed in the outer surface wall of the bolt head and located on the outer side of the hexagonal hole in an annular array.

Preferably, the hexagonal hole is a hexagonal hole, six through grooves are formed in the same straight line, the through grooves are in one group, and the through grooves are in three groups in total.

Preferably, the outer surface wall of the conical head is symmetrically provided with second guide grooves, and the depth of the second guide grooves is smaller than that of the first guide grooves.

Preferably, the bottom end of the flow guide through hole is opposite to the first flow guide groove, and the inner wall of the flow guide through hole is integrally formed into an inclined plane.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an annular shallow slot, bar shallow slot, the cooperation of water conservancy diversion through-hole and first guiding gutter, when this flywheel bolt card dies needs the lubrication, the staff can trickle lubricating oil along annular shallow slot and bar shallow slot, then can flow to first guiding gutter via leading the through-hole, flow to the thread groove region at last and lubricate, it is reasonable to lead oily route, do not influence original intensity and the rigidity of flywheel bolt, secondly lubricated effectual, and is efficient, has prolonged this flywheel bolt's life.

(2) The utility model discloses a hexagonal hole of hexagonal type structure and the cooperation that leads to the groove, two kinds of methods of twisting have been increased newly on original single basis that utilize the bolt head to twist soon, one kind utilizes the hexagonal hole to twist through the hexagonal screwdriver and twists soon, another kind is that usable panel or flat angle thread sword insert establish into the logical inslot on the same straight line, utilize the blockking of leading to the cell wall to twist soon the bolt, it is multiple to twist the method of twisting, the single defect that twists the mode limitation big has effectively been avoided, the waste of resource has been avoided, the service life of flywheel bolt has been prolonged.

Drawings

FIG. 1 is an external view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the gasket of the present invention;

in the figure: 1-screw rod, 2-gasket, 3-bolt head, 4-first diversion trench, 5-thread trench, 6-conical head, 7-second diversion trench, 8-through trench, 9-strip shallow trench, 10-diversion through hole, 11-annular shallow trench, 12-hexagonal hole, 13-inclined plane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a flywheel bolt for a high-precision engine comprises a screw rod 1 and a bolt head 3, wherein the screw rod 1 and the bolt head 3 are integrally formed, a gasket 2 is fixed between the screw rod 1 and the bolt head 3, a conical head 6 is integrally formed at one end of the screw rod 1 far away from the bolt head 3, a threaded groove 5 is formed at one end of the outer surface wall of the screw rod 1 close to the conical head 6, an annular shallow groove 11 is formed in the outer surface wall of the gasket 2, strip-shaped shallow grooves 9 are formed in the inner side of the annular shallow groove 11 in an annular array mode in the outer surface wall of the gasket 2, a flow guide through hole 10 is formed in the inner bottom of each strip-shaped shallow groove 9, first flow guide grooves 4 are symmetrically formed at one end of the outer surface wall of the screw rod 1 close to the gasket 2, when the flywheel bolt is clamped to be lubricated, lubricating oil can flow along the annular shallow grooves 11 and the strip-shaped shallow grooves 9, then can flow to the first flow, the oil guide path is reasonable, the original strength and rigidity of the flywheel bolt are not affected, the lubricating effect is good, the efficiency is high, and the service life of the flywheel bolt is prolonged.

Further, hexagonal hole 12 has been seted up to the exterior wall intermediate position department of bolt head 3, the exterior wall of bolt head 3 just is the annular array and has seted up logical groove 8 in the outside that is located hexagonal hole 12, after original bolt head 3 smooth silk, staff's accessible hexagonal screwdriver inserts and establishes into hexagonal hole 12 and revolves soon, also can utilize panel or flat angle thread sword to insert and establish in the logical groove 8 on the same straight line, utilize blockking of leading to the groove 8 wall to revolve to twist the bolt, the defect that single mode limitation of revolving is big has effectively been avoided, the waste of resource has been avoided.

Furthermore, the hexagonal hole 12 is a hexagonal hole, six through grooves 8 are formed in total, two through grooves 8 on the same straight line are in one group, the six through grooves 8 are in three groups in total, the selection of screwing positions can be increased by the three groups in total, and the defect that a single position is damaged and is not reserved is avoided.

Furthermore, the outer surface wall of the conical head 6 is symmetrically provided with second guide grooves 7, the depth of the second guide grooves 7 is smaller than that of the first guide grooves 4, and redundant lubricating oil can flow out from the end part of the conical head 6 along the second guide grooves 7, so that pollution is reduced.

Further, the bottom of water conservancy diversion through-hole 10 is just to first guiding gutter 4, and the inner wall integrated into one piece of water conservancy diversion through-hole 10 is inclined plane 13, and the design on inclined plane 13 is convenient for lubricating oil to rely on self gravity to flow down fast and get into thread groove 5 region, and is practical convenient.

The utility model discloses a theory of operation and use flow: when the utility model is used and an engine is installed, the stability can be effectively improved by using the flywheel bolt, wherein, when the flywheel bolt is locked and needs to be lubricated, a worker can flow lubricating oil along the annular shallow groove 11 and the strip-shaped shallow groove 9 which are arranged on the gasket 2, then the lubricating oil flows to the first diversion groove 4 through the diversion through hole 10 and finally flows to the thread groove 5 area which is arranged on the outer surface wall of the screw rod 1 for lubrication, the oil guiding path is reasonable, the original strength and rigidity of the flywheel bolt are not influenced, the lubricating effect is good, the efficiency is high, in addition, after the original bolt head 3 is screwed, the worker can insert the hexagonal screwdriver into the hexagonal hole 12 for screwing, a plate or a flat angle screwdriver can also be inserted into the through groove 8 on the same straight line, the bolt is screwed by using the blocking of the wall of the through groove 8, and the defect of large limitation of a single screwing mode is effectively avoided, the waste of resources is avoided, in addition, redundant lubricating oil can flow out from the end part of the conical head 6 along the second guide groove 7, and the pollution is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy is flywheel bolt for engine which characterized in that: including screw rod (1) and bolt head (3), screw rod (1) and bolt head (3) integration constitute, and be fixed with between screw rod (1) and bolt head (3) gasket (2), the one end integrated into one piece that bolt head (3) were kept away from in screw rod (1) has cone (6), screw rod (1) outer table wall and the one end that is close to cone (6) seted up thread groove (5), annular shallow slot (11) have been seted up to the outward appearance wall of gasket (2), gasket (2) outer table wall and the inboard that is located annular shallow slot (11) are annular array and seted up bar shallow slot (9), water conservancy diversion through-hole (10) have been seted up to the inside bottom of bar shallow slot (9), first water conservancy diversion groove (4) have been seted up to the one end symmetry that screw rod (1) outer table wall and be close to gasket (2).

2. A flywheel bolt for a high precision engine as defined in claim 1, wherein: the bolt is characterized in that a hexagonal hole (12) is formed in the middle of the outer surface wall of the bolt head (3), and through grooves (8) are formed in the outer surface wall of the bolt head (3) and located on the outer side of the hexagonal hole (12) in an annular array mode.

3. A flywheel bolt for a high precision engine as defined in claim 2, wherein: hexagonal hole (12) are hexagonal hole, logical groove (8) have seted up six altogether, two on the same straight line logical groove (8) are a set of, six logical groove (8) divide into three groups altogether.

4. A flywheel bolt for a high precision engine as defined in claim 1, wherein: and second guide grooves (7) are symmetrically formed in the outer surface wall of the conical head (6), and the depth of each second guide groove (7) is smaller than that of each first guide groove (4).

5. A flywheel bolt for a high precision engine as defined in claim 1, wherein: the bottom end of the flow guide through hole (10) is over against the first flow guide groove (4), and the inner wall of the flow guide through hole (10) is integrally formed into an inclined plane (13).