CN208840830U - A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming - Google Patents
A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming Download PDFInfo
- Publication number
- CN208840830U CN208840830U CN201821535892.5U CN201821535892U CN208840830U CN 208840830 U CN208840830 U CN 208840830U CN 201821535892 U CN201821535892 U CN 201821535892U CN 208840830 U CN208840830 U CN 208840830U
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- injector sleeve
- reaming
- cold
- press fitting
- 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.)
- Active
Links
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a kind of set composites for fuel injector sleeve press fitting and cold extrusion reaming, including rack, fuel injector sleeve press fitting unit is disposed in the rack, cold extrusion reaming unit and the cylinder cover positioning tool being pressed between unit and cold extrusion reaming unit positioned at fuel injector sleeve, the fuel injector sleeve pressure head that the fuel injector sleeve press fitting unit includes the first driving source and is directly or indirectly mounted in the first driving source, the cold-extruded pressure head that the cold extrusion reaming unit includes the second driving source and is directly or indirectly mounted in the second driving source, the first blind hole that can accommodate cold-extruded pressure head is disposed on the end face of the fuel injector sleeve pressure head, cold-extruded pressure head working end is the reaming bar with taper, it is pressed unit and cold extrusion reaming unit by setting fuel injector sleeve, fuel injector sets of holes can be carried out while fuel injector sleeve is press-fit into place Reaming, it is ensured that fuel injector sleeve end face, fuel injector sleeve inner hole outer diameter and cylinder cap mounting hole fit closely.
Description
Technical field
It is especially a kind of to be pressed for fuel injector sleeve the utility model relates to assemble one of research field press mounting structure
With the set composite of cold extrusion reaming.
Background technique
Cylinder head fuel injector sleeve press fitting requires mating surface to cooperate without damage, sealing surface No leakage, i.e. fuel injector sleeve and cylinder cap
Face is phenomena such as mating surface is without scratching after interference fit is pressed, sealing surface No leakage, that is, fuel injector sleeve end face and head side face paste
Conjunction, fuel injector sleeve inner hole reach the requirement sealed with cylinder cap bottom outlet by squeezing flange；Conventional fuel injector set press-loading device is adopted
It is pressed with hydraulic cylinder, fuel injector sleeve installation method is that pressure head is first pressed onto hole end surface in fuel injector sleeve first, and steel ball compression bar will
Steel ball portals outside from fuel injector sleeve inner hole extruding, and steel ball forces fuel injector sleeve reaming in extrusion process, to complete fuel injector
It is pressed into cylinder cap mounting hole, pressure value of hydraulic cylinder during press fitting is fixed value.
Utility model content
The purpose of this utility model is to provide a kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming,
Reaming can be carried out to fuel injector sets of holes while fuel injector sleeve is press-fit into place, it is ensured that fuel injector sleeve end face, fuel injector sleeve inner hole
Outer diameter is fitted closely with cylinder cap mounting hole.
The solution that the utility model solves its technical problem is: one kind is for fuel injector sleeve press fitting and cold extrusion reaming
Set composite, including rack is disposed with fuel injector sleeve press fitting unit, cold extrusion reaming unit in the rack and is located at spray
Cylinder cover positioning tool between oily device set press fitting unit and cold extrusion reaming unit, the fuel injector sleeve press fitting unit includes first
Driving source and the fuel injector sleeve pressure head being directly or indirectly mounted in the first driving source, the cold extrusion reaming unit include the
Two driving sources and the cold-extruded pressure head being directly or indirectly mounted in the second driving source, cloth on the end face of the fuel injector sleeve pressure head
It is equipped with the first blind hole that can accommodate cold-extruded pressure head, cold-extruded pressure head working end is the reaming bar with taper.
As a further improvement of the above technical scheme, the outer surface of the reaming bar is disposed with multiple rows of extruding spherical surface, respectively
The size for squeezing spherical surface is arranged to successively increase from end to its end of squeezing into of reaming bar.
As a further improvement of the above technical scheme, the maximum spherical diameter squeezed in spherical surface is greater than fuel injector sleeve inner hole
Aperture.
As a further improvement of the above technical scheme, the taper of the reaming bar is 1:50.
As a further improvement of the above technical scheme, the cold-extruded pressure head squeezes axis and the second driving source company by floating
It connects, the outer surface for floating extruding axis, which is set with, squeezes axis guide sleeve.
As a further improvement of the above technical scheme, the cold extrusion reaming unit further includes rack-mounted cold
But lubricating fuel spray nozzle and bits gas nozzle is blown.
As a further improvement of the above technical scheme, the fuel injector sleeve pressure head passes through floating Fitted Axles and the first driving
Source connection, floating Fitted Axles outer surface is set with Fitted Axles guide sleeve.
The beneficial effects of the utility model are: the utility model is pressed unit and cold extrusion reaming by setting fuel injector sleeve
Unit can carry out reaming to fuel injector sets of holes while fuel injector sleeve is press-fit into place, it is ensured that fuel injector sleeve end face, fuel injector sleeve
Inner hole outer diameter is fitted closely with cylinder cap mounting hole；There is the reaming bar and multiple rows of extruding spherical surface of taper by being arranged, gradually
By fuel injector sleeve inner hole spreading, it is ensured that fuel injector sleeve inner hole uniform external diameter and fit closely cylinder cap inner wall of the hole installing.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of cold-extruded pressure head in the utility model.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.
Referring to Fig.1~Fig. 2, a kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming, including rack 2, institute
It states and is disposed with fuel injector sleeve press fitting unit, cold extrusion reaming unit in rack 2 and is located at fuel injector sleeve press fitting unit and cold-extruded
Cylinder cover positioning tool 7 between the unit of companding hole, fuel injector sleeve press fitting unit include the first driving source 1 and directly or
The fuel injector sleeve pressure head 5 being mounted in the first driving source 1 is connect, the cold extrusion reaming unit is including the second driving source 12 and directly
Or it is indirectly attached to the cold-extruded pressure head 14 in the second driving source 12, being disposed on the end face of the fuel injector sleeve pressure head 5 can hold
Receive the first blind hole 6 of cold-extruded pressure head 14,14 working end of cold-extruded pressure head is the reaming bar with taper.14 material of cold-extruded pressure head is
Hard alloy, the extruding of achievable unlike material fuel injector sleeve inner hole.First driving source 1 and the second driving source 12 are electronic
Cylinder uses electric cylinder for executive component, reaches precise speed control, Accurate Position Control, the control of accurate thrust, can by pair
Than the press fitting feelings that the difference of institute's power output/displacement curve and preset displacement curve during press fitting judges fuel injector sleeve
Condition realizes high-accuracy motion control.It is provided with fulcrum bearing 8 in rack 2, avoids the cylinder cap unilateral side stress when being pressed fuel injector sleeve.
It is further used as preferred embodiment, the outer surface of the reaming bar is disposed with multiple rows of extruding spherical surface 15, each to arrange
The size for squeezing spherical surface 15 is successively increased from end to its end of squeezing into of reaming bar.
It is further used as preferred embodiment, the maximum spherical diameter squeezed in spherical surface 15 is greater than fuel injector sleeve inner hole
Aperture.
It is further used as preferred embodiment, the taper of the reaming bar is 1:50.There is the expansion of taper by being arranged
Vent stem and multiple rows of extruding spherical surface 15, gradually by fuel injector sleeve inner hole spreading, it is ensured that fuel injector sleeve inner hole uniform external diameter and tight
Closely connected conjunction cylinder cap inner wall of the hole installing.
It is further used as preferred embodiment, the cold-extruded pressure head 14 squeezes axis 13 and the second driving source 12 by floating
Connection, the outer surface for floating extruding axis 13, which is set with, squeezes axis guide sleeve 11.
It is further used as preferred embodiment, the cold extrusion reaming unit further includes the cooling being mounted in rack 2
Lubricating fuel spray nozzle 9 and blow bits gas nozzle 10.
It is further used as preferred embodiment, the fuel injector sleeve pressure head 5 passes through floating Fitted Axles 3 and the first driving source
1 connection, 3 outer surface of floating Fitted Axles is set with Fitted Axles guide sleeve 4.
It is the utility model preferred embodiment below.
First driving source 1 is installed in rack 2 by bolt, and 1 telescopic rod end of the first driving source is provided with internal screw thread, gas
Cylinder connector is connected through a screw thread with 1 telescopic rod of the first driving source, and the other end of cylinder connection piece is provided with the first T-slot, is floated
Dynamic 3 one end of Fitted Axles is provided with bulb, and one end that floating Fitted Axles 3 are provided with bulb is installed on the first T shape of cylinder connection piece
In slot, the other end of floating Fitted Axles 3 is provided with the blind hole of installation fuel injector sleeve pressure head 5 and outer diameter is provided with threaded hole, oil spout
Device set pressure head 5 and 3 blind hole of floating Fitted Axles cooperation outer diameter be provided with installation holding screw groove, fuel injector sleeve pressure head 5 with
Floating Fitted Axles 3 are connected by holding screw, and 5 other end of fuel injector sleeve pressure head is provided with and the conical surface of fuel injector sleeve cooperation and confession
The first blind hole 6 that cold-extruded pressure head 14 passes through, rack 2 installs the other side of the first driving source 1 and 1 coaxial direction of the first driving source is pacified
Equipped with Fitted Axles guide sleeve 4, Fitted Axles guide sleeve 4 is bolted with rack 2, and floating Fitted Axles 3 are oriented to through Fitted Axles
4 inner cavities are covered, and are provided with gap between Fitted Axles guide sleeve 4.
Second driving source 12 is installed in rack 2 by bolt, and 12 telescopic rod end of the second driving source is provided with internal screw thread,
Cylinder connection piece is connected through a screw thread with the second driving source 12, and extruding 13 one end of axis of floating is provided with bulb, is floated and is squeezed axis 13
In be provided with one end of bulb and be installed in the second T-slot of cylinder connection piece, float squeeze axis 13 the other end be provided with
The blind hole of cold-extruded pressure head cooperation, 14 surface of cold-extruded pressure head are equipped with the reaming bar and multiple rows of extruding spherical surface 15 that taper is 1:50, respectively
Squeezing the size in pressure ball face 15, end is successively increased to end and maximum spherical diameter is greater than the aperture of fuel injector sleeve inner hole from squeezing into,
The other end of cold-extruded pressure head 14 is provided with and the stage axis for squeezing the cooperation of axis 13 that floats；2 end face of rack, which is bolted, to be equipped with
Axis guide sleeve 11 is squeezed, floats and squeezes axis 13 through axial set center is squeezed, another side frame 2 of the second driving source 12 of installation is also
It is provided with fulcrum bearing.It is additionally provided with cooling and lubricating atomizer 9 above rack 2 and blows bits gas nozzle 10.
Fuel injector sleeve is placed on fuel injector sleeve pressure head 5, starts the first driving source 1, and 1 telescopic rod of the first driving source pushes gas
Cylinder connection is to push fuel injector sleeve pressure head 5 close to cylinder cap has been clamped, until fuel injector sleeve end face and cylinder cap installation hole end surface patch
It closes；Second driving source 12, which pushes to float by connector, squeezes axis 13 to push cold-extruded pressure head 14 close to cylinder cap, and protrudes into spray
It is each to squeeze because 14 surface of cold-extruded pressure head is equipped with the reaming bar and multiple rows of extruding spherical surface 15 that taper is 1:50 in oily device set inner hole
End successively increases the size in pressure ball face 15 to end and maximum spherical diameter is greater than the aperture of fuel injector sleeve inner hole from squeezing into, and is squeezing
Fuel injector sleeve inner hole is gradually expanded by cold-extruded pressure head 14 during pressure, causes fuel injector sleeve inner hole by spreading, in fuel injector sleeve
Hole outer diameter fits closely cylinder cap inner wall of the hole installing.
Floating Fitted Axles 3, floating squeezes axis 13 and cylinder connection piece contact site as spherical surface, and floating Fitted Axles 3 and pressure
It fills and is equipped with gap between axis guide sleeve 4, floating to squeeze axis 13 and squeeze is provided with gap, therefore, oil spout between axis guide sleeve 11
Device set pressure head 5 can be translatable in axle sleeve, can produce Sloped rotating so that it is guaranteed that axis is coaxial with hole during translation.
It is to be illustrated to the better embodiment of the utility model, but the invention is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Variation or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: including rack, the rack
On be disposed with fuel injector sleeve press fitting unit, cold extrusion reaming unit and be located at fuel injector sleeve press fitting unit and cold extrusion reaming list
Cylinder cover positioning tool between member, fuel injector sleeve press fitting unit include the first driving source and are directly or indirectly mounted on the
Fuel injector sleeve pressure head in one driving source, the cold extrusion reaming unit include the second driving source and are directly or indirectly mounted on
Cold-extruded pressure head in second driving source, the first blind of cold-extruded pressure head can be accommodated by being disposed on the end face of the fuel injector sleeve pressure head
Hole, cold-extruded pressure head working end are the reaming bar with taper.
2. the set composite according to claim 1 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: institute
The outer surface for stating reaming bar is disposed with multiple rows of extruding spherical surface, respectively arranges the size for squeezing spherical surface and holds from squeezing into for reaming bar to it
End successively increases.
3. the set composite according to claim 2 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: squeeze
Maximum spherical diameter in pressure ball face is greater than the aperture of fuel injector sleeve inner hole.
4. the set composite according to claim 1 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: institute
The taper for stating reaming bar is 1:50.
5. the set composite according to claim 1 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: institute
It states cold-extruded pressure head to connect by the extruding axis that floats with the second driving source, the outer surface for floating extruding axis is set with extruding spindle guide
To set.
6. the set composite according to claim 1 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: institute
Cold extrusion reaming unit is stated to further include rack-mounted cooling and lubricating atomizer and blow bits gas nozzle.
7. the set composite according to claim 1 for fuel injector sleeve press fitting and cold extrusion reaming, it is characterised in that: institute
It states fuel injector sleeve pressure head to connect by floating Fitted Axles with the first driving source, floating Fitted Axles outer surface is set with Fitted Axles
Guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535892.5U CN208840830U (en) | 2018-09-19 | 2018-09-19 | A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535892.5U CN208840830U (en) | 2018-09-19 | 2018-09-19 | A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208840830U true CN208840830U (en) | 2019-05-10 |
Family
ID=66373395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821535892.5U Active CN208840830U (en) | 2018-09-19 | 2018-09-19 | A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208840830U (en) |
-
2018
- 2018-09-19 CN CN201821535892.5U patent/CN208840830U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106002375B (en) | A kind of floating type fixture | |
| CN103737408B (en) | A kind of high speed direct-connected main shaft | |
| CN101745799B (en) | Pressing and mounting device for pressing and mounting thin-wall sleeve | |
| CN201579584U (en) | Pressing device for pressing thin-wall sleeves | |
| CN208840830U (en) | A kind of set composite for fuel injector sleeve press fitting and cold extrusion reaming | |
| CN109648371B (en) | Steering gear shell machining tool with hydraulic support | |
| CN107825349A (en) | A kind of oil seal press-in machine structure | |
| CN109596332B (en) | Low-speed machine oil cylinder high-pressure cavity pressure test device | |
| CN206653064U (en) | A kind of c-type machine National People's Congress stroke soldering turret boom structure | |
| CN204209591U (en) | A kind of for circulatory spherical hydraulic power-assisted steering gear valve centering clamp | |
| CN208375190U (en) | A kind of bearing installing tool | |
| CN207901057U (en) | For Small Air-Cooled Gasoline Engine crankcase pressing bearing and the tool of oil sealing | |
| CN217632858U (en) | Diaphragm pump hydro-cylinder piston rod locking structure | |
| CN212146197U (en) | Mounting and dismounting tool for bushing of gearbox fixing support of fuel gas generator | |
| CN209190658U (en) | A kind of self-locking drawing horse | |
| CN104266903B (en) | A kind of method overcoming Hopkinson pull bar test middle plate strip test specimen and rod member Relative sliding | |
| CN209904904U (en) | Tensioning device assembly for engineering machinery | |
| CN207509123U (en) | Bearing grease injection capping machine clamp spring extrusion die | |
| CN205841147U (en) | A kind of air compressor piston | |
| CN110576090A (en) | Pipe orifice sealing device | |
| CN112025356B (en) | Device for machining thin-wall through hole parts | |
| CN216912813U (en) | Axial extrusion device | |
| CN213530177U (en) | Top and ejector rod assembly | |
| CN204828656U (en) | Airtight end cap in axle housing body end | |
| CN104985054B (en) | A kind of high-pressure oil pipe pressing mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |