CN205779203U - A kind of automobile expansion tank filler device for preventing leakage - Google Patents
A kind of automobile expansion tank filler device for preventing leakage Download PDFInfo
- Publication number
- CN205779203U CN205779203U CN201620399767.0U CN201620399767U CN205779203U CN 205779203 U CN205779203 U CN 205779203U CN 201620399767 U CN201620399767 U CN 201620399767U CN 205779203 U CN205779203 U CN 205779203U
- Authority
- CN
- China
- Prior art keywords
- copper nut
- mold insert
- expansion tank
- preventing leakage
- nut mold
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The purpose of this utility model is to provide a kind of automobile expansion tank filler device for preventing leakage and processing method thereof, including expansion tank, expansion tank is provided with filler, also include device for preventing leakage, described device for preventing leakage is arranged in filler, filler includes contiguous block, exterior ring cap and copper nut mold insert, contiguous block is fixed in expansion tank, exterior ring cap and copper nut mold insert are each provided on contiguous block, exterior ring cap is enclosed within the outer wall of copper nut mold insert, copper nut insert shape is concentric column, copper nut mold insert inwall is provided with uniform screw thread, it is equipped with groove on the outer wall of copper nut mold insert and bottom, exterior ring cap inwall is provided with fixed block, fixed block is corresponding with the shape of the groove on copper nut mold insert and position, block and leaked herein, reduce gap variable quantity, improve air-tightness, increase radiating efficiency.
Description
Technical field
This utility model relates to the field in terms of automobile equipment and part, particularly to automotive accessory and zero
Improvement in terms of the process technology of part and equipment, refers more particularly to a kind of automobile expansion tank filler device for preventing leakage and processing
Method.
Background technology
Along with China's expanding economy, the living standard of people also increases considerably, growth in the living standard, people for
Development of automobile aspect is also into the rapid increase stage, and the auxiliary equipment of automobile is also intended to ask of a relatively high, such as present stage vapour
On car, the heat abstractor of electromotor has expansion tank, in terms of the heat radiation of electromotor, is substantially employing expansion tank and dispels the heat,
Owing to the operation principle of expansion tank is along with the increase of temperature by indoor air pressure, and then trigger switch, therefore, swelling water
Kettle has higher requirement to air-tightness, therefore needs exist for more reasonably structure and more accurate processing method, due to before
Fixing device in, due to copper nut moulding under high and low temperature environment because of material shrinkage ratio difference local expand after produce again
Raw gap, the problem that therefore leakage occurs, have a strong impact on air-tightness.
Therefore it provides a kind of automobile expansion tank filler device for preventing leakage and processing method, to copper spiral shell can be passed through
The contraction reverse muscle design of female mold insert, designs rectangular channel from the outside of mold insert with low degree, because of the difference of shrinkage direction, total at two
Make up the gap result produced at another, blocked and leaked herein, reduce gap variable quantity, improve air-tightness, increase heat radiation effect
Rate, just becomes the problem that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is to provide a kind of automobile expansion tank filler device for preventing leakage and processing method, to
Can be designed by the reverse muscle of contraction of copper nut mold insert, design rectangular channel from the outside of mold insert with low degree, because of shrinkage direction
Difference, always make up the gap result produced at another at two, blocked and leaked herein, reduce gap variable quantity, improve airtight
Property, increase radiating efficiency.
For solving technical problem described in background technology, this utility model by the following technical solutions:
A kind of automobile expansion tank filler device for preventing leakage, including expansion tank, described expansion tank is provided with and adds
Geat, also includes that device for preventing leakage, described device for preventing leakage are arranged in filler.
Preferably, described filler includes contiguous block, exterior ring cap and copper nut mold insert, and described contiguous block is fixed on swollen
On swollen kettle, described exterior ring cap and copper nut mold insert are each provided on contiguous block, and described exterior ring cap is enclosed within copper nut mold insert
Outer wall, described copper nut insert shape is concentric column, and described copper nut mold insert inwall is provided with uniform screw thread, described
Being equipped with groove on the outer wall of copper nut mold insert and bottom, described exterior ring cap inwall is provided with fixed block, described fixed block
Corresponding with the shape of the groove on copper nut mold insert and position.
Preferably, in an angle of 90 degrees between the groove bottom described copper nut mold insert and on outer wall, it is possible to carry out right angle and enter
Restriction during row thermal expansion, produces, when reducing dilation, the gap that deformation difference produces, improves the air-tightness of seam.
Preferably, described groove be shaped as rectangle, be fixed by rectangular shape, it is possible to make fixing more steady
Fixed, it is difficult to when stress produce self falling.
A kind of processing method of automobile expansion tank filler device for preventing leakage, described method includes:
Described copper nut mold insert is concentric structure, adds to be placed by copper nut mold insert man-hour and beats on slot device accordingly,
Copper nut mold insert outer wall and bottom are polished satisfactory rectangular recess, then the copper nut mold insert accomplishing fluently groove is placed
Carry out exterior ring cap is carried out mold in the grinding tool of filler, be then placed in the isoperibol that temperature is 60 degree 70 degree entering
Row moldings formed therefrom, finally takes out the filler machined from grinding tool, is cooled to room temperature.
Preferably, polishing precision Ra of described groove is set to 0.05 0.1max/ μm, controls to add groove surfaces in man-hour
Polishing precision, increases the connection area of groove inner surface and fixed block, the frictional force between increase, improves the hole when stress
Varying stress.
Preferably, the described casting mold mold time is set to 25 30min, by being defined the time of casting mold, it is possible to
More accurately casting mold degree is held, improve mold quality and efficiency.
The beneficial effects of the utility model are:
1), designed by the reverse muscle of contraction of copper nut mold insert, design rectangular channel from the outside of mold insert with low degree, because receiving
The difference in contracting direction, always makes up the gap result produced at another, has blocked and leaked herein at two.
2), reduce gap variable quantity, improve air-tightness, increase radiating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only described in this utility model
Some embodiments, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of this utility model a kind of automobile expansion tank filler device for preventing leakage detailed description of the invention；
Fig. 2 is the filler of this utility model a kind of automobile expansion tank filler device for preventing leakage detailed description of the invention
Partial schematic diagram.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with accompanying drawing pair
This utility model is further detailed.
Refer to Fig. 1,2, a kind of automobile expansion tank filler device for preventing leakage, including expansion tank 1, described expansion
Kettle 1 is provided with filler 2, also includes that device for preventing leakage, described device for preventing leakage are arranged in filler 2.
In the present embodiment, described filler 2 includes that contiguous block 3, exterior ring cap 4 and copper nut inlay 5, described contiguous block
4 are fixed in expansion tank 1, and described exterior ring cap 4 and copper nut mold insert 5 are each provided on contiguous block 3, and described exterior ring cap 4 overlaps
At the outer wall of copper nut mold insert 5, described copper nut mold insert 5 is shaped as concentric column, and described copper nut mold insert 5 inwall is provided with
Uniform screw thread 6, the outer wall of described copper nut mold insert 5 and bottom is equipped with groove 7, described exterior ring cap 4 inwall sets
Having fixed block 8, described fixed block 8 is corresponding with the shape of the groove 7 on copper nut mold insert 5 and position.
In the present embodiment, in an angle of 90 degrees between the groove 7 bottom described copper nut mold insert 5 and on outer wall, it is possible to carry out
Right angle carries out restriction during thermal expansion, produces, when reducing dilation, the gap that deformation difference produces, improves the airtight of seam
Property.
In the present embodiment, described groove 7 be shaped as rectangle, be fixed by rectangular shape, it is possible to make fixing more
Add stable, be difficult to when stress produce self falling.
A kind of processing method of automobile expansion tank filler device for preventing leakage, described method includes:
Described copper nut mold insert 5 is concentric structure, adds to be placed by copper nut mold insert 5 man-hour and beats slot device accordingly
On, copper nut mold insert 5 outer wall and bottom are polished satisfactory rectangular recess 7, then the copper nut accomplishing fluently groove 7 is inlayed
Part 5 is placed in the grinding tool of filler 2 and carries out exterior ring cap 4 is carried out mold, is then placed into the isoperibol that temperature is 70 degree
In carry out moldings formed therefrom, finally the filler 2 machined is taken out from grinding tool, is cooled to room temperature.
In the present embodiment, polishing precision Ra of described groove is set to 0.05max/ μm, controls to add groove surfaces in man-hour
Polishing precision, increases the connection area of groove inner surface and fixed block, the frictional force between increase, improves the hole when stress and becomes
Stress.
In the present embodiment, the described casting mold mold time is set to 30min, by being defined the time of casting mold, it is possible to
More accurately casting mold degree is held, improve mold quality and efficiency.
The reverse muscle of contraction of copper nut mold insert 5 is designed, is equipped with rectangular recess in the side of copper nut mold insert 5 and bottom
7, there are between groove 7 90 degree of angles, because of the difference of shrinkage direction, make the contraction between two grooves 7 be restricted, total at two
Make up the gap result produced at another, blocked and leaked herein, increase the air-tightness of seam.
By the way of explanation, only describe some one exemplary embodiment of the present utility model above, undoubtedly, for
Those of ordinary skill in the art, in the case of without departing from spirit and scope of the present utility model, can be with various different
Described embodiment is modified by mode.Therefore, above-mentioned accompanying drawing and description are the most illustrative, should not be construed as
Restriction to this utility model claims.
Claims (3)
1. an automobile expansion tank filler device for preventing leakage, including expansion tank, described expansion tank is provided with filling
Mouthful, it is characterised in that also including that device for preventing leakage, described device for preventing leakage are arranged in filler, described filler includes
Contiguous block, exterior ring cap and copper nut mold insert, described contiguous block is fixed in expansion tank, described exterior ring cap and copper nut edge
Part is each provided on contiguous block, and described exterior ring cap is enclosed within the outer wall of copper nut mold insert, and described copper nut insert shape is concentric
Cylinder, described copper nut mold insert inwall is provided with uniform screw thread, the outer wall of described copper nut mold insert and bottom is equipped with
Groove, described exterior ring cap inwall is provided with shape and the position of the groove on fixed block, described fixed block and copper nut mold insert
Put corresponding.
A kind of automobile expansion tank filler device for preventing leakage the most according to claim 1, it is characterised in that described copper
In an angle of 90 degrees between groove bottom nut mold insert and on outer wall.
A kind of automobile expansion tank filler device for preventing leakage the most according to claim 1, it is characterised in that described is recessed
Groove be shaped as rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399767.0U CN205779203U (en) | 2016-04-30 | 2016-04-30 | A kind of automobile expansion tank filler device for preventing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620399767.0U CN205779203U (en) | 2016-04-30 | 2016-04-30 | A kind of automobile expansion tank filler device for preventing leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779203U true CN205779203U (en) | 2016-12-07 |
Family
ID=57412685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620399767.0U Expired - Fee Related CN205779203U (en) | 2016-04-30 | 2016-04-30 | A kind of automobile expansion tank filler device for preventing leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909366A (en) * | 2016-04-30 | 2016-08-31 | 安徽志诚机电零部件有限公司 | Anti-leakage device for filling port of automobile expansion tank and machining method of anti-leakage device |
-
2016
- 2016-04-30 CN CN201620399767.0U patent/CN205779203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909366A (en) * | 2016-04-30 | 2016-08-31 | 安徽志诚机电零部件有限公司 | Anti-leakage device for filling port of automobile expansion tank and machining method of anti-leakage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170430 |