CN207104690U - A kind of Unit injector remover-and-replacer - Google Patents
A kind of Unit injector remover-and-replacer Download PDFInfo
- Publication number
- CN207104690U CN207104690U CN201720770377.4U CN201720770377U CN207104690U CN 207104690 U CN207104690 U CN 207104690U CN 201720770377 U CN201720770377 U CN 201720770377U CN 207104690 U CN207104690 U CN 207104690U
- Authority
- CN
- China
- Prior art keywords
- unit injector
- locating piece
- clamping part
- remover
- replacer
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 13
- 239000003921 oil Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a kind of Unit injector remover-and-replacer, including bench vice and locating piece, and locating piece is fixed in bench vice, and one end of locating piece is provided with Unit injector clamping part, and pressure test frock clamping part is provided with locating piece.Using the Unit injector remover-and-replacer of technical solutions of the utility model, when dismounting Unit injector, by the way that locating piece is fixed on bench vice, Unit injector is fixed using the Unit injector clamping part on locating piece, avoids Unit injector frequently is connected into bench vice and causes Unit injector appearance surface damage；And locating piece is provided with Unit injector clamping part and pressure test frock clamping part, so as to which Unit injector remover-and-replacer and pressure test frock remover-and-replacer is two-in-one, it thereby saving fixture cost, in addition, Unit injector clamping part is good for the fixed effect of Unit injector, being avoided that in dismounting causes Unit injector internal part to shake, so as to ensure its fit precision.
Description
Technical field
It the utility model is related to remover-and-replacer field, and in particular to a kind of Unit injector remover-and-replacer.
Background technology
Electrically-controlled pump nozzle eliminates high-pressure oil pipe, and this is highly profitable to the characteristic for improving injection system, thus extensive utilization
In on the diesel engine and gasoline engine of automobile engine.Unit injector is under the control of electronic control unit, in suitable pressure and essence
The fuel oil of accurate quantity is sprayed into cylinder at the time of really, all needed in the range of engine whole service and in whole life cycle
Ensure above-mentioned control accuracy.The plunger and the pump housing of pump oil are connected with oil spout nozzle component, and magnetic valve is housed in the side of the pump housing.
There is precision pair inside Unit injector, rigorous is higher.
The internal structure of Unit injector is very high for required precision, such as plunger and plunger bushing are a pair of precision pairs, through with
To that can not be exchanged after grinding, it is desirable to have the wearability that high precision and finish are become reconciled, its radial clearance be 0.002~
0.003mm, the required precision of assembling are very high.Because the assembly precision of whole Unit injector is very high, so the dismounting to Unit injector
Have higher requirements, be that Unit injector is fixed on bench vice or other fixtures to be dismounted in the prior art, fixed effect is not
It is good, if not placed when fixing can steadily cause the part of Unit injector to shake so as to influence fit precision, in addition, pump sprays
Mouth needs to test its Opening pressure in maintenance, and corresponding pressure test frock does not have remover-and-replacer yet.
The content of the invention
The purpose of this utility model is, there is provided a kind of Unit injector remover-and-replacer, the remover-and-replacer can realize Unit injector
Dismounting and the dismounting of Unit injector pressure test frock, save fixture cost, and good to the fixed effect of Unit injector, avoid damaging
The part of Unit injector.
Based on this, the utility model proposes a kind of Unit injector remover-and-replacer, including bench vice and locating piece, the positioning
Block is fixed in the bench vice, and one end of the locating piece is provided with Unit injector clamping part, and pressure is provided with the locating piece
Power test fixture clamping part.
Further, the locating piece is provided with the fixed part for being fixed with the bench vice.
Further, the fixed part is step, and the step is arranged at the both sides of locating piece.
Further, the step is provided with the skid resistance strip being adapted with the bench vice.
Further, the Unit injector clamping part includes open slot and square through hole, the open slot with it is described square logical
Hole connects.
Further, the pressure test frock clamping part includes groove, and the bottom center of the groove is provided with circle
Through hole.
Further, the groove is regular hexagon groove.
Further, the material of the locating piece is wolfram steel.
Further, between the center of the Unit injector clamping part and the center of the pressure test frock clamping part
Line is the axis of symmetry, and the locating piece is symmetric on the axis of symmetry.
Implement the utility model embodiment, have the advantages that：
1st, when dismounting Unit injector, by the way that locating piece is fixed on bench vice, clamped using the Unit injector on locating piece
Unit injector is fixed in portion, is avoided Unit injector frequently is connected into bench vice and is caused Unit injector appearance surface damage；And locating piece is provided with
Unit injector clamping part and pressure test frock clamping part, so as to by Unit injector remover-and-replacer and pressure test frock remover-and-replacer two
Unification, thereby saving fixture cost, in addition, Unit injector clamping part is good for the fixed effect of Unit injector, is avoided that and is tearing open
Unit injector internal part is caused to shake during dress, so as to ensure its fit precision.
2nd, locating piece is provided with the step being engaged with bench vice, and skid resistance strip is provided with step, so that fixed
Position block and bench vice tightly clamping, and avoid that locating piece slip occurs in Unit injector disassembly process.
3rd, Unit injector clamping part includes open slot and square through hole, and open slot connects with square through hole, and Unit injector passes through
Open slot, and the magnetic valve of Unit injector is connected in square through hole, so that locating piece steadily is connected in locating piece, and
Other clamping devices need not be used, fixture cost is saved on the premise of clamping effect is ensured.
4th, pressure test frock clamping part is provided with the regular hexagon groove being adapted with pressure test frock, so that
Pressure test frock and pressure test frock clamping part snap effect are good.
5th, the material of locating piece is wolfram steel, and wolfram steel has corrosion resistant performance, so as to avoid in Unit injector disassembly process,
Its internal diesel oil and some acid oil stain corrosion locating pieces.
Brief description of the drawings
Fig. 1 is the Unit injector remover-and-replacer structural representation of the utility model embodiment.
Fig. 2 is the positioning block structure schematic diagram of the utility model embodiment.
In figure：1- bench vices, 2- locating pieces；11- moving jaws, 21- Unit injector clamping parts, 22- pressure test works
Clamping portion, 23- steps；21a- open slots, 21b- square through holes, 22a- grooves, 22b- manholes.
Embodiment
Technical solutions of the utility model are further illustrated with reference to the accompanying drawings and examples：
As shown in Figure 1 to Figure 2：The present embodiment provides a kind of Unit injector remover-and-replacer, including bench vice 1 and locating piece 2, fixed
Position block 2 be fixed in bench vice 1, thus, when dismounting Unit injector need not frequently by Unit injector be fixed on bench vice 1 or its
On his fixture, Unit injector outer surface is avoided damage to, one end of locating piece 2 is provided with Unit injector clamping part 21, and is set on locating piece 2
Pressure test frock clamping part 22 is equipped with, so as to which Unit injector remover-and-replacer and pressure test frock remover-and-replacer is two-in-one, by
This saves fixture cost, and Unit injector clamping part 21 is good for the fixed effect of Unit injector, is avoided that in dismounting and causes
Unit injector internal part shakes, so as to ensure its fit precision.
Based on above technical scheme, when dismounting Unit injector, by the way that locating piece 2 is fixed on bench vice 1, using positioning
Unit injector clamping part 21 on block 2 fixes Unit injector, avoids Unit injector frequently is connected into bench vice 1 and causes Unit injector outer surface
Damage；And locating piece 2 is provided with Unit injector clamping part 21 and pressure test frock clamping part 22, so as to by Unit injector remover-and-replacer
It is two-in-one with pressure test frock remover-and-replacer, fixture cost is thereby saving, in addition, Unit injector clamping part 21 is for Unit injector
Fixed effect it is good, be avoided that dismounting when cause Unit injector internal part to shake, so as to ensure its fit precision.
Locating piece 2 in the present embodiment is provided with the fixed part for being fixed with bench vice 1 so that locating piece 2 with
The firm connection of bench vice 1.Further, fixed part is step 23, and step 23 is arranged at the both sides of locating piece 2, thus step 23
Step surface and bench vice 1 upper surface flush contact, the moving jaw 11 of bench vice 1 clamps the both sides of locating piece 2, thus
Ensure that locating piece 2 is steadily connected with bench vice 1.Further, slided when being fixed on bench vice 1 in order to avoid locating piece 2,
Step 23 is provided with the skid resistance strip being adapted with bench vice 1.
In addition, Unit injector clamping part 21 includes open slot 21a and square through hole 21b, open slot 21a and square through hole 21b
Connect, Unit injector passes through open slot 21a, and the bottom of Unit injector leans with the upper surface of locating piece 2, and the electromagnetism of Unit injector
Valve is connected in square through hole 21b, so that locating piece 2 steadily is connected in locating piece 2, and need not use others
Clamping device, fixture cost is saved on the premise of clamping effect is ensured.
Further, pressure test frock clamping part 22 includes groove 22a, and groove 22a bottom center is provided with circle
Through hole 22b, thus the pressure test frock of Unit injector is connected in above-mentioned groove 22a, and the air inlet pipe of pressure test frock
Through manhole 22b, air inlet pipe is avoided to be squeezed in disassembly process, so as to extend the use longevity of pressure test frock
Life.Further, groove 22a is regular hexagon groove, so that pressure test frock and pressure test frock clamping part 22
Snap effect is good.It is pointed out that groove 22a size and shape and the size and shape one of pressure test frock chuck
Cause, pressure test frock clamping part 22 is customized according to the progress of the structure snd size of pressure test frock.
Further, the material of locating piece 2 is wolfram steel, and wolfram steel has that hardness is high, wear-resisting, toughness is preferable, the thus positioning
The service life of block 2 is longer, in addition, wolfram steel has corrosion resistant performance, Unit injector has diesel oil in dismounting and some are acid
Oil stain, in general iron block and bloom are easily corroded, and the locating piece 2 of wolfram steel material disclosure satisfy that demand.
Further, in order to ensure the structural stability of locating piece 2, with the center of Unit injector clamping part 21 and pressure test
Line between the center of frock clamping part 22 is the axis of symmetry, and locating piece 2 is symmetric on the axis of symmetry.
Using the Unit injector remover-and-replacer of the utility model embodiment, when dismounting Unit injector, by the way that locating piece 2 is fixed
On bench vice 1, Unit injector is fixed using the Unit injector clamping part 21 on locating piece 2, avoids that Unit injector frequently is connected into platform
Vice 1 causes Unit injector appearance surface damage；And locating piece 2 is provided with Unit injector clamping part 21 and pressure test frock clamping part
22, thus Unit injector remover-and-replacer and pressure test frock remover-and-replacer is two-in-one, fixture cost is thereby saving, in addition,
Unit injector clamping part 21 is good for the fixed effect of Unit injector, is avoided that in dismounting and causes Unit injector internal part to shake
It is dynamic, so as to ensure its fit precision.Locating piece 2 is provided with the step 23 being engaged with bench vice 1, and is provided with step 23 anti-
Draw runner line, so that locating piece 2 and the tightly clamping of bench vice 1, and avoid the generation locating piece 2 in Unit injector disassembly process from sliding
It is dynamic.Unit injector clamping part 21 includes open slot 21a and square through hole 21b, and open slot 21a connects with square through hole 21b, pump spray
Mouth passes through open slot 21a, and the magnetic valve of Unit injector is connected in square through hole 21b, so that steadily the clamping of locating piece 2
In in locating piece 2, and other clamping devices need not be used, fixture cost is saved on the premise of clamping effect is ensured.
Pressure test frock clamping part 22 is provided with the regular hexagon groove 22a being adapted with pressure test frock, so that pressure
Test fixture and pressure test frock 22 snap effects of clamping part are good.The material of locating piece 2 is wolfram steel, and wolfram steel has corrosion-resistant
Performance, so as to avoid in Unit injector disassembly process, its internal diesel oil and some acid oil stains corrosion locating pieces 2.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
Enter and replace and also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. Unit injector remover-and-replacer, it is characterised in that：Including bench vice and locating piece, the locating piece is fixed in described Vice, one end of the locating piece are provided with Unit injector clamping part, and the clamping of pressure test frock is provided with the locating piece Portion.
- 2. Unit injector remover-and-replacer according to claim 1, it is characterised in that：The locating piece be provided with for it is described The fixed part that bench vice is fixed.
- 3. Unit injector remover-and-replacer according to claim 2, it is characterised in that：The fixed part is step, the step It is arranged at the both sides of locating piece.
- 4. Unit injector remover-and-replacer according to claim 3, it is characterised in that：The step is provided with and the bench vice Adaptable skid resistance strip.
- 5. Unit injector remover-and-replacer according to claim 1, it is characterised in that：The Unit injector clamping part includes open slot And square through hole, the open slot connect with the square through hole.
- 6. Unit injector remover-and-replacer according to claim 1, it is characterised in that：The pressure test frock clamping part includes Groove, the bottom center of the groove are provided with manhole.
- 7. Unit injector remover-and-replacer according to claim 6, it is characterised in that：The groove is regular hexagon groove.
- 8. the Unit injector remover-and-replacer according to any one of claim 1 to 7, it is characterised in that：The material of the locating piece For wolfram steel.
- 9. the Unit injector remover-and-replacer according to any one of claim 1 to 7, it is characterised in that：Clamped with the Unit injector Line between the center in portion and the center of the pressure test frock clamping part is the axis of symmetry, and the locating piece is on described The axis of symmetry is symmetric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770377.4U CN207104690U (en) | 2017-06-28 | 2017-06-28 | A kind of Unit injector remover-and-replacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770377.4U CN207104690U (en) | 2017-06-28 | 2017-06-28 | A kind of Unit injector remover-and-replacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207104690U true CN207104690U (en) | 2018-03-16 |
Family
ID=61591948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770377.4U Expired - Fee Related CN207104690U (en) | 2017-06-28 | 2017-06-28 | A kind of Unit injector remover-and-replacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207104690U (en) |
-
2017
- 2017-06-28 CN CN201720770377.4U patent/CN207104690U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |