CN211230613U

CN211230613U - Hollow bolt of gasoline engine for increasing back chipping R groove

Info

Publication number: CN211230613U
Application number: CN201921896376.XU
Authority: CN
Inventors: 杨增强; 贾力; 宗俐君; 李东利; 徐伟民; 何鹏
Original assignee: Suzhou Lianhuan Automobile Fastener Co ltd
Current assignee: Suzhou Lianhuan Automobile Fastener Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-11
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a hollow bolt of a gasoline engine for increasing a back chipping R groove, which comprises a fixing bolt and an elastic clamp, wherein a hexagon socket head socket groove is arranged at the middle inner position of the left side of the fixing bolt, the back chipping R groove is arranged at the root of the left side of the fixing bolt, round holes are arranged at the inner positions of the upper side and the lower side of the middle of the fixing bolt, and the back chipping R groove is arranged, so that a worker can cancel the back chipping treatment of the R groove at the root of the hollow bolt by increasing the R groove at the root of the hollow bolt, and eliminate the hidden danger of water path and oil path leakage of a supercharger caused by assembly error, and the elastic clamp is arranged, so that when the hollow bolt is sleeved with the copper gasket, the inner part of a fixed jack is inserted through an external sharp-nose clamp, and a connecting column moves outwards, thereby the elastic round clamp can fixedly connect the copper gasket, this allows the entire apparatus to work better.

Description

Hollow bolt of gasoline engine for increasing back chipping R groove

Technical Field

The utility model belongs to the technical field of the hollow bolt is relevant, concretely relates to hollow bolt in increase back chipping R groove of gasoline engine.

Background

At present, the water path and the oil path of the supercharger of the vehicle engine are sealed by adopting a matching mode of a hollow bolt and a copper gasket, and the hollow bolt can generate a chamfer at the root part due to a rolling process. In order to adapt to the hollow bolt to guarantee sealing, the inner side of the copper gasket is additionally provided with a corresponding chamfer, and one side of the chamfer of the gasket is attached to the root of the hollow bolt under the manual control during assembly. Such a design results in gasket cost and increased workload for assembly field personnel, and presents the risk of supercharger oil and water path leakage due to assembly errors.

The existing hollow bolt technology has the following problems: when the existing hollow bolt is used, because the hollow bolt is provided with a chamfer at the root, and the inner side of the copper gasket is additionally provided with a corresponding chamfer, one side of the chamfer of the gasket is attached to the root of the hollow bolt by manual control during assembly, but the cost of the gasket is increased by the design and the workload of assembly field personnel is increased, and the risk of leakage of an oil way and a water way of a supercharger caused by assembly errors exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow bolt in increase back chipping R groove of gasoline engine to solve the risk problem that booster oil circuit and water route that provide leaked in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hollow bolt in increase back chipping R groove of gasoline engine, includes fixing bolt and elasticity clamp, the inside position department is provided with the hexagon socket head cap spread groove in the middle of the fixing bolt left side, fixing bolt left side root is provided with back chipping R groove, both sides inside position department is provided with the round hole about the fixing bolt is middle, the inside position department is provided with central fixed orifices in the middle of the fixing bolt right side, two both sides position department about the round hole is located central fixed orifices left side, fixing bolt right side outer wall position department is provided with the external screw thread body, central fixed orifices right side is provided with the copper gasket to position department outwards, the copper gasket right side is provided with the elasticity clamp to position department outwards.

Preferably, the elasticity clamp includes spliced pole, elasticity circle hoop and fixed jack, both sides outer wall position department is provided with the spliced pole around the elasticity circle hoop upper end, two inside position department is provided with fixed jack in the middle of the spliced pole, the elasticity clamp passes through elasticity circle hoop and fixing bolt and fixed connection.

Preferably, back chipping R groove sets up to four, four back chipping R groove is that loop configuration is located fixing bolt left side root inside position department, four back chipping R groove degree of depth sets up to five millimeters.

Preferably, the through hole is formed in the middle of the copper gasket at an inner position, and the thickness of the copper gasket is set to be two millimeters.

Preferably, the inner hexagonal connecting groove is of an equilateral inner hexagonal structure, and the depth of the inner hexagonal connecting groove is three centimeters.

Preferably, the right end of the fixing bolt is a chamfer, and the length of the fixing bolt is ten centimeters.

Preferably, the number of the circular holes is two, and the diameter and the height of the two circular holes are respectively set to be one centimeter and one centimeter.

Preferably, the length and the diameter of the central fixing hole are respectively set to be seven centimeters and one point five centimeters, and a smooth coating is arranged on the inner wall of the central fixing hole.

Compared with the prior art, the utility model provides a hollow bolt in increase back chipping R groove of gasoline engine possesses following beneficial effect:

1. the utility model discloses install back chipping R groove, the staff is handled through increasing R groove back chipping at the hollow bolt root, can cancel copper gasket's chamfer technology, and eliminates because of assembly error produces the hidden danger that booster water route and oil circuit leaked.

2. The utility model discloses install elasticity clamp, when hollow bolt cup jointed with the copper gasket, insert through outside sharp-nosed pliers that fixed jack is inside and the spliced pole removes outwards to make elasticity circle hoop better with copper gasket and hollow bolt fixed connection, also make the copper gasket can not drop simultaneously, just so make whole equipment can carry out work better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of an explosive structure of a hollow bolt with an R groove for back chipping of a gasoline engine provided by the present invention;

fig. 2 is a schematic view of an internal anatomical explosion structure proposed by the present invention;

fig. 3 is a schematic structural view of the elastic clamp according to the present invention;

in the figure: 1. fixing the bolt; 2. a back chipping R groove; 3. a central fixation hole; 4. a copper gasket; 5. an elastic clamp; 51. connecting columns; 52. an elastic round hoop; 53. fixing the jack; 6. an external thread body; 7. a circular hole; 8. and the inner hexagonal connecting groove.

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 hollow bolt for increasing back chipping R grooves of a gasoline engine comprises a fixed bolt 1 and an elastic clamp 5, wherein an inner hexagonal connecting groove 8 is arranged at the middle inner position of the left side of the fixed bolt 1, when an outer hexagonal wrench is inserted into the inner hexagonal connecting groove 8, the fixed bolt 1 can be driven to rotate by rotating the outer hexagonal wrench, the inner hexagonal connecting groove 8 is of an equilateral inner hexagonal structure, the depth of the inner hexagonal connecting groove 8 is three centimeters, a back chipping R groove 2 is arranged at the root of the left side of the fixed bolt 1, the back chipping R grooves 2 are four, the four back chipping R grooves 2 are of an annular structure and are positioned at the inner position of the root of the left side of the fixed bolt 1, the depth of the four back chipping R grooves 2 is five millimeters, the four back chipping R grooves 2 can eliminate the hidden danger of water path and oil path leakage of a supercharger due to assembly error, round holes 7 are, the two circular holes 7 are arranged, the diameter and the height of the two circular holes 7 are respectively arranged to be one centimeter and one centimeter, the two circular holes 7 are fixedly connected with the external device in a better way, the central fixing hole 3 is arranged at the middle inner position of the right side of the fixing bolt 1, the length and the diameter of the central fixing hole 3 are respectively arranged to be seven centimeters and one point five centimeters, the inner wall position of the central fixing hole 3 is provided with a smooth coating, in order to better let gasoline pass through and also to be convenient for cleaning the internal gasoline, the two circular holes 7 are arranged at the upper side and the lower side of the left side of the central fixing hole 3, the outer wall position of the right side of the fixing bolt 1 is provided with an outer thread body 6, the copper gasket 4 is arranged at the outward position of the right side of the central fixing hole 3, the middle inner position of the copper gasket 4 is provided with a through hole, the thickness, also make things convenient for fixing bolt 1 to take place wearing and tearing simultaneously, copper gasket 4 right side is provided with elasticity clamp 5 towards position department, elasticity clamp 5 includes spliced pole 51, elasticity circle hoop 52 and fixed jack 53, elasticity circle hoop 52 upper end front and back both sides outer wall position department is provided with spliced pole 51, inside position department is provided with fixed jack 53 in the middle of two spliced poles 51, elasticity clamp 5 passes through elasticity circle hoop 52 and fixing bolt 1 and fixed connection, insert inside the fixed jack 53 in elasticity clamp 5 through outside sharp mouth pincers, and make spliced pole 51 outwards move through outside sharp mouth, make elasticity circle hoop 52 open, after elasticity circle hoop 52 aligns and cup joints with fixing bolt 1, make better with copper gasket 4 and fixing bolt 1 fixed connection.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the worker aligns the copper gasket 4 with the fixing bolt 1, then the copper gasket 4 is sleeved with the fixing bolt 1, at this time, the copper gasket 4 is inserted into the fixing jack 53 in the elastic clamp 5 through the external sharp-nose pliers, and the connecting column 51 is moved outwards through the external sharp-nose pliers, so that the elastic round hoop 52 is opened, after the elastic round hoop 52 is aligned with the fixing bolt 1 and sleeved, the copper gasket 4 is better fixedly connected with the fixing bolt 1, so that the copper gasket 4 can not fall off from the outer wall of the fixing bolt 1, at this time, after the fixing bolt 1 is aligned with the internal thread hole of the external gasoline engine, the external hexagonal wrench is inserted into the internal hexagonal connecting groove 8, so that the fixing bolt 1 is driven to rotate by rotating the external hexagonal wrench, so that the external thread body 6 is fixedly connected with the internal thread hole of the external gasoline engine in a rotating manner, after the fixing bolt 1 is fixedly connected with an external gasoline engine through the external thread body 6, the external hexagonal wrench is taken out from the inside of the internal hexagonal connecting groove 8, at the moment, the external connecting pipe is inserted into the two round holes 7, (the oil inlets and the oil outlets of the two round holes 7 can be determined according to the working condition), so that the whole equipment can be used, when the whole equipment is used, gasoline can be output or input from the central fixing hole 3, the oil outlets or the oil inlets in the round holes 7 are used for conveying, meanwhile, the hidden danger of water path and oil path leakage of a supercharger caused by assembly errors can be eliminated through the back chipping R groove 2, and the working principle of the whole equipment is realized.

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 hollow bolt in increase back chipping R groove of gasoline engine, includes fixing bolt (1) and elasticity clamp (5), its characterized in that: fixing bolt (1) left side middle inside position department is provided with hexagon socket head cap spread groove (8), fixing bolt (1) left side root is provided with back chipping R groove (2), fixing bolt (1) middle upper and lower both sides inside position department is provided with round hole (7), fixing bolt (1) right side middle inside position department is provided with central fixed orifices (3), two round hole (7) are located central fixed orifices (3) left side upper and lower both sides position department, fixing bolt (1) right side outer wall position department is provided with external screw body (6), central fixed orifices (3) right side is provided with copper gasket (4) to position department outwards, copper gasket (4) right side is provided with elasticity clamp (5) to position department outwards.

2. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: elasticity clamp (5) are including spliced pole (51), elasticity circle hoop (52) and fixed jack (53), both sides outer wall position department is provided with spliced pole (51), two around elasticity circle hoop (52) upper end inside position department is provided with fixed jack (53) in the middle of spliced pole (51), elasticity clamp (5) are through elasticity circle hoop (52) and fixing bolt (1) and fixed connection.

3. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: back chipping R groove (2) set up to four, four back chipping R groove (2) are the loop configuration and are located fixing bolt (1) left side root inside position department, four back chipping R groove (2) degree of depth sets up to five millimeters.

4. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: the copper gasket (4) is characterized in that a through hole is formed in the middle of the copper gasket (4), and the thickness of the copper gasket (4) is set to be two millimeters.

5. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: the hexagonal socket head (8) sets up to equilateral hexagon structure, hexagonal socket head (8) degree of depth sets up to three centimetres.

6. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: the right end of the fixing bolt (1) is provided with a chamfer, and the length of the fixing bolt (1) is ten centimeters.

7. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: the number of the round holes (7) is two, and the diameter and the height of the two round holes (7) are respectively set to be one centimeter and one centimeter.

8. The hollow bolt for increasing back chipping R groove of gasoline engine according to claim 1, characterized in that: the length and the diameter of the central fixing hole (3) are respectively set to be seven centimeters and one point five centimeters, and a smooth coating is arranged on the inner wall of the central fixing hole (3).