CN220839915U - Self-adaptive floating compaction tool and workbench of oil sprayer - Google Patents
Self-adaptive floating compaction tool and workbench of oil sprayer Download PDFInfo
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- CN220839915U CN220839915U CN202322671277.4U CN202322671277U CN220839915U CN 220839915 U CN220839915 U CN 220839915U CN 202322671277 U CN202322671277 U CN 202322671277U CN 220839915 U CN220839915 U CN 220839915U
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- tightening head
- shaft
- oil sprayer
- fuel injector
- assembly
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- 238000005056 compaction Methods 0.000 title claims abstract description 47
- 238000007906 compression Methods 0.000 claims abstract description 65
- 230000006835 compression Effects 0.000 claims abstract description 61
- 230000003044 adaptive effect Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a self-adaptive floating compaction tool of an oil sprayer, which comprises a limiting block, a spring and a tightening head which are sequentially arranged from top to bottom, wherein a compaction shaft is fixed in the limiting block, the spring is connected with the limiting block and arranged outside the compaction shaft, the spring is used for providing floating spring force in the compaction process, the end part of the compaction shaft is in floating connection with the tightening head, and the tightening head is provided with a first concave part for being matched with a special nut of the oil sprayer component. An adaptive floating compaction workbench of an oil sprayer comprises an adaptive floating compaction tool of the oil sprayer. According to the utility model, the compression shaft and the tightening head are combined together, so that the assembly requirement of the oil sprayer assembly for compression before tightening is met, the self-adaption and self-centering functions of the tightening head on the compression shaft are realized, the centers of the tightening head, the compression shaft and the oil sprayer assembly are aligned, the uniform stress of the oil sprayer assembly in the compression process is ensured, and meanwhile, the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of automobile fuel injector assembly, in particular to a self-adaptive floating compaction tool and a workbench of a fuel injector.
Background
The automobile fuel injector belongs to the core component of the automobile fuel engine, is formed by precisely assembling a plurality of parts according to a specific process, and mainly comprises a fuel injector nozzle, a special nut and a fuel injector main body. In the process of assembling the fuel injector, a torque wrench is needed to manually screw the fuel injector on the end of the fuel injector main body through a special nut, and the fuel injector is pre-pressed before screwing.
The traditional assembly process at present does not pre-press the oil nozzle, but directly performs the screwing of the special nut. Thus, two problems are brought about: 1. before each tightening, the tightening head is manually sleeved on the special nut, so that the production efficiency is affected, and the tightening head is easy to lose after being taken down and difficult to manage; 2. the finished product is directly screwed without pre-compression, the yield of the assembled finished product is low, and most of the finished product cannot pass the performance test, so that double waste of production resources and manpower is caused.
Disclosure of utility model
The utility model aims to provide a self-adaptive floating compaction tool for an oil sprayer, which not only improves the working efficiency, but also can realize the self-adaptive floating centering of the tool in the assembling process of an oil nozzle.
In order to achieve the above object, the present utility model provides an adaptive floating compaction tool for an oil injector, including:
The device comprises a limiting block, a spring and a tightening head which are sequentially arranged from top to bottom, wherein a pressing shaft is fixed in the limiting block, the spring is connected with the limiting block and arranged outside the pressing shaft, the spring is used for providing floating spring force in the lifting process of the tightening head, the end part of the pressing shaft is in floating connection with the tightening head, and the tightening head is provided with a first concave part for being matched with a special nut of an oil sprayer assembly.
Preferably, the contact surface of the pressing shaft and the tightening head is a conical surface.
Preferably, the compression shaft is configured as a split structure and comprises a first compression shaft and a second compression shaft which are connected with each other, the first compression shaft is connected with the limiting block, and the second compression shaft is connected with the tightening head.
Preferably, the end of the second compression shaft is provided with a second recess for engaging the fuel injector of the fuel injector assembly.
Preferably, the first compression shaft and the second compression shaft are connected by a bolt.
Preferably, a cavity is arranged in the tightening head, and the cavity is used for accommodating the compression shaft.
Preferably, the tightening head is configured as a split structure and comprises a first tightening head and a second tightening head which are connected with each other, the cavity is formed between the first tightening head and the second tightening head, the first tightening head is connected with the compression shaft, and the end part of the second tightening head is provided with the first concave part for being matched with a special nut of the fuel injector assembly.
Preferably, the first tightening head and the second tightening head are connected by a bolt.
Compared with the prior art, the self-adaptive floating compaction tool for the oil sprayer is designed, the compaction shaft is fixed in the limiting block, the end part of the compaction shaft is in floating connection with the tightening head through the spring, and the first concave part of the tightening head is consistent with the outer contour of the special nut of the oil sprayer assembly in the process that the tightening head descends to be contacted with the oil sprayer assembly to be compacted, and the first concave part of the tightening head is completely clamped until the tightening head descends to be contacted with the oil sprayer assembly to achieve compaction. The compression shaft and the tightening head are combined together, so that the assembly requirement of the oil sprayer assembly that the oil sprayer assembly is compressed firstly and then tightened is met; the tightening head is in floating connection with the compression shaft through the spring, so that the self-adaption and self-centering functions of the tightening head on the compression shaft are realized, the centers of the tightening head, the compression shaft and the oil sprayer assembly are aligned, the oil sprayer assembly is ensured to be uniformly stressed in the compression process, and meanwhile, the working efficiency is improved.
The utility model also provides a self-adaptive floating compaction workbench of the oil sprayer, which comprises the self-adaptive floating compaction tool of the oil sprayer, and further comprises an air cylinder and a lifting assembly which are connected with each other, wherein the lifting assembly is connected with the limiting block, and the air cylinder is used for driving the lifting assembly to ascend and/or descend so as to drive the self-adaptive floating compaction tool of the oil sprayer to ascend and/or descend.
Preferably, the oil sprayer further comprises a fixing tool, wherein the fixing tool is used for fixing an oil sprayer assembly, and the oil sprayer assembly comprises an oil sprayer, a special nut and an oil sprayer main body which are arranged from top to bottom.
Compared with the prior art, the utility model also designs the self-adaptive floating compaction workbench of the oil sprayer, which drives the lifting assembly to ascend and/or descend through the air cylinder to drive the self-adaptive floating compaction tool to ascend and/or descend, so that the self-adaptive floating compaction tool is automatically lifted, the screwing head, the compaction shaft and the oil sprayer assembly are automatically aligned, the oil sprayer assembly is automatically compacted, and the working efficiency of the oil sprayer assembly is further improved.
Drawings
FIG. 1 is a schematic diagram of an adaptive floating compaction tool for an injector of the present utility model.
FIG. 2 is a schematic diagram of an adaptive floating compaction tool for an injector of the present utility model without contacting the injector.
FIG. 3 is a schematic diagram of a first contact injector of the adaptive floating compaction tool of the injector of the present utility model.
FIG. 4 is a schematic illustration of an adaptive floating compaction tool for an injector of the present utility model in a compacted state in contact with the injector.
FIG. 5 is a schematic diagram of an adaptive floating hold-down table for an injector of the present utility model.
FIG. 6 is a schematic diagram of a fuel injector assembly according to the present utility model.
Detailed Description
In order to describe the technical content, the constructional features and the effects achieved by the present utility model in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1-4 and fig. 6, a first embodiment of the present utility model provides an adaptive floating compaction tool 10 for an injector, which includes a limiting block 11, a spring 12 and a tightening head 13 sequentially disposed from top to bottom, wherein a compaction shaft 14 is fixed in the limiting block 11, the spring 12 is connected with the limiting block 11 and disposed outside the compaction shaft 14, the spring 12 is used for providing a floating spring force during lifting of the tightening head 13, an end of the compaction shaft 14 is in floating connection with the tightening head 13, and the tightening head 13 is provided with a first concave portion 130 for matching with a dedicated nut 32 of the injector assembly 30.
The first embodiment of the utility model designs an adaptive floating compaction tool 10 of an oil sprayer, a compaction shaft 14 is fixed in a limiting block 11, the end part of the compaction shaft 14 is in floating connection with a tightening head 13 through a spring 12, the spring 12 enables the tightening head 13 to be in floating contact with an oil sprayer assembly 30, and in the descending process of the adaptive floating compaction tool 10 of the oil sprayer, floating spring force is provided for the whole process from the first time the tightening head 13 is in contact with a special nut 32 to the complete clamping of the adjusting tightening head 13 with the special nut 32. In the process that the screwing head 13 descends to be in contact with the fuel injector assembly 30 to be compacted, the first concave part of the screwing head is consistent with the outer contour of the special nut of the fuel injector assembly, and in the process, the screwing head 13 can be manually adjusted to enable the screwing head 13 to be completely clamped until the screwing head is descended to be in contact with the fuel injector 31, so that the fuel injector 31, the special nut 32 and the fuel injector main body 33 in the fuel injector assembly 30 are integrally compacted. By combining the compression shaft 14 with the tightening head 13, the assembly requirement of the injector assembly 30 for compression and then tightening is conveniently met; the tightening head 13 is in floating connection with the compression shaft 14 through the spring 12, so that the self-adaption and self-centering functions of the tightening head 13 on the compression shaft 14 are realized, the centers of the tightening head 13, the compression shaft 14 and the oil sprayer assembly 30 are aligned, the uniform stress of the oil sprayer assembly 30 in the compression process is ensured, and meanwhile, the working efficiency is improved.
In some embodiments, as shown in fig. 2-4, the contact surface of the compression shaft 14 with the tightening head 13 is provided as a tapered surface 15. The tightening head 13 is connected with the tightening shaft 14 in a floating mode under the action of spring force, the top of the tightening head 13 is provided with a conical groove, the bottom of the tightening shaft 14 is provided with a conical protrusion, the conical groove of the tightening head 13 and the conical protrusion of the tightening shaft 14 are mutually clamped, so that the connection positions of the tightening head 13 and the tightening shaft 14 are relatively fixed, the contact positions of the tightening head 13 and the tightening shaft 14 are designed to be conical surfaces, and the self-adaption and self-centering functions of the tightening head 13 on the tightening shaft 14 can be realized.
In some embodiments, the compression shaft 14 is configured as a split structure, including a first compression shaft 141 and a second compression shaft 142 that are connected to each other, the first compression shaft 141 being connected to the stopper 11, the second compression shaft 142 being connected to the tightening head 13. The compression shaft 14 is designed into a split structure and is divided into a first compression shaft 141 and a second compression shaft 142, so that the two shafts are convenient to process separately and assemble in a subsequent combined mode.
In some embodiments, as shown in fig. 2-4, the end of the second compression shaft 142 is provided with a second recess 140 for mating with the fuel injector 31 of the fuel injector assembly 30. The second concave portion 140 arranged at the end of the second compression shaft 142 is consistent with the outer contour of the oil nozzle 31 of the oil sprayer assembly 30, so that the second concave portion 140 is completely clamped with the oil nozzle 31, the center alignment of the tightening head 13, the compression shaft 14 and the oil sprayer assembly 30 is further realized, and the oil sprayer assembly 30 is prevented from being damaged due to dislocation of a tool in the compression process. The second recess 140 is of a concave structure, and the specific internal configuration of the second recess 140 can be correspondingly changed according to the different shapes of the fuel nozzles 31 of different types.
In some embodiments, the first compression shaft 141 and the second compression shaft 142 are connected by bolts.
In some embodiments, as shown in fig. 2-4, a cavity 133 is provided in the tightening head 13, the cavity 133 being configured to receive the compression shaft 14. As shown in fig. 2, the tightening head 13 is connected to the end of the pressing shaft by the spring force before the tightening head 13 does not contact the injector assembly 30, and a cavity 133 is formed between the tightening head 13 and the pressing shaft; as shown in fig. 3, when the tightening head 13 first contacts the special nut 32 in the injector assembly 30, the tightening head 13 contacts the upper end surface of the special nut 32 and stops descending when not aligned with the outer contour of the special nut 32, and at this time, the compression shaft 14 continues to descend under the action of the spring force, and the end portion of the compression shaft 14 extends into the cavity 133; as shown in fig. 4, after the compression shaft 14 descends and contacts and compresses the tip of the fuel injector 31 in the fuel injector assembly 30, the end of the compression shaft 14 extends into the lowest point of the cavity 133 and remains stationary for continuous compression.
In some embodiments, the tightening head 13 is configured as a split structure, including a first tightening head 131 and a second tightening head 132 connected to each other, the cavity 133 being formed between the first tightening head 131 and the second tightening head 132, the first tightening head 131 being connected to the compression shaft 14, the second tightening head 132 being provided with a first recess 130 at an end thereof for engaging the dedicated nut 32 of the fuel injector assembly 30. The tightening head 13 is designed into a split structure, and is divided into a first tightening head 131 and a second tightening head 132, so that the two are convenient to process separately and assemble in a subsequent combination. The first recess 130 is a concave structure, and the specific internal structure of the first recess 130 can be correspondingly changed according to the shape of the special nut 32 with different models.
In some embodiments, the first tightening head and the second tightening head are connected by a bolt.
As shown in fig. 5, a second embodiment of the present utility model provides an adaptive floating compaction table 20 of an injector, which includes the adaptive floating compaction tool 10 of the injector, and further includes a cylinder 21 and a lifting assembly 22 that are connected to each other, wherein the lifting assembly 22 is connected to a limiting block 11, and the cylinder 21 is used for driving the lifting assembly 22 to rise and/or fall so as to drive the adaptive floating compaction tool 10 of the injector to rise and/or fall.
The utility model also designs an adaptive floating compression workbench 20 of the oil sprayer, which drives the lifting assembly 22 to ascend and/or descend through the air cylinder 21 so as to drive the adaptive floating compression tool 10 to ascend and/or descend, so that the automatic lifting of the adaptive floating compression tool 10 is realized, an operation button can be arranged on the adaptive floating compression workbench 20 and used for controlling the lifting assembly 22 to ascend and descend, so that the screwing head 13, the compression shaft 14 and the oil sprayer assembly 30 are automatically aligned in the center, the automatic compression of the oil sprayer assembly 30 is realized, and the working efficiency of the assembly of the oil sprayer assembly 30 is further improved.
In some embodiments, the adaptive floating hold-down table 20 further includes a fixture 23, the fixture 23 being used to secure the injector assembly 30, the injector assembly 30 including an injector nozzle 31, a dedicated nut 32, and an injector body 33 disposed from top to bottom.
When the self-adaptive floating compression tool is used, firstly, the oil nozzle 31, the special nut 32 and the oil sprayer main body 33 in the oil sprayer assembly 30 are manually placed on the fixed tool 23, the oil sprayer assembly 30 is clamped by adjusting the fixed tool 23, an operation button on the self-adaptive floating compression workbench 20 is pressed down, the lifting assembly 22 drives the self-adaptive floating compression tool 10 to slowly descend, as shown in fig. 1, before the tightening head 13 does not contact the oil sprayer assembly 30, the tightening head 13 is contacted with the end conical surface of the compression shaft 14 under the action of spring force; when the screwing head 13 is lowered to be in initial contact with the special nut 32, if the screwing head 13 is not aligned with the outer contour of the special nut 32, the screwing head 13 is in contact with the upper end surface of the special nut 32 and is suspended to be lowered, and at the moment, the lifting assembly 22 drives the limiting block 11 and the pressing shaft 14 to be lowered continuously under the action of the continuous spring force; after the compression shaft 14 descends and contacts and compresses with the tip of the oil nozzle 31, the whole mechanism stops descending; at this time, the angle of the tightening head 13 is adjusted to be completely clamped with the special nut 32 and continuously compressed; the final tightening of the special nut 32 is continued manually after the compaction. After screwing, the operation button is pressed, at this time, the lifting assembly 22 drives the self-adaptive floating compaction tool 10 to slowly ascend, so that the self-adaptive floating compaction tool is separated from the oil sprayer assembly 30, and the oil sprayer assembly 30 which is compacted and screwed is manually taken down from the fixing tool 33, so that the assembly work of the oil sprayer assembly 30 is completed.
The foregoing disclosure is merely illustrative of the principles of the present utility model, and thus, it is intended that the scope of the utility model be limited thereto and not by this disclosure, but by the claims appended hereto.
Claims (10)
1. Self-adaptation of sprayer floats compresses tightly frock, a serial communication port, includes:
The device comprises a limiting block, a spring and a tightening head which are sequentially arranged from top to bottom, wherein a pressing shaft is fixed in the limiting block, the spring is connected with the limiting block and arranged outside the pressing shaft, the spring is used for providing floating spring force in the lifting process of the tightening head, the end part of the pressing shaft is in floating connection with the tightening head, and the tightening head is provided with a first concave part for being matched with a special nut of an oil sprayer assembly.
2. The adaptive floating compaction tool for an oil atomizer of claim 1 wherein the contact surface of said compaction shaft and said tightening head is configured as a conical surface.
3. The adaptive floating hold-down tool for an injector of claim 1, wherein the hold-down shaft is configured as a split structure comprising a first hold-down shaft and a second hold-down shaft that are connected to each other, the first hold-down shaft being connected to the stopper, the second hold-down shaft being connected to the tightening head.
4. The adaptive floating hold-down tooling of a fuel injector of claim 3, wherein the end of the second hold-down shaft is provided with a second recess for engaging a fuel injector of a fuel injector assembly.
5. The adaptive floating hold-down tooling of a fuel injector of claim 3, wherein the first hold-down shaft and the second hold-down shaft are bolted.
6. The adaptive floating compression tool of a fuel injector of claim 1, wherein a cavity is provided in the tightening head for receiving the compression shaft.
7. The adaptive floating compression tool of a fuel injector of claim 6, wherein the tightening head is configured as a split structure comprising a first tightening head and a second tightening head connected to each other, the first tightening head and the second tightening head forming the cavity therebetween, the first tightening head being connected to the compression shaft, the second tightening head having an end provided with the first recess for mating with a dedicated nut of a fuel injector assembly.
8. The adaptive floating compaction tool for an injector of claim 7, wherein the first tightening head and the second tightening head are connected by a bolt.
9. An adaptive floating compaction workbench of an oil sprayer, comprising the adaptive floating compaction tool of the oil sprayer according to any one of claims 1 to 8, and further comprising an air cylinder and a lifting assembly which are mutually connected, wherein the lifting assembly is connected with the limiting block, and the air cylinder is used for driving the lifting assembly to ascend and/or descend so as to drive the adaptive floating compaction tool of the oil sprayer to ascend and/or descend.
10. The adaptive floating compression table of a fuel injector of claim 9, further comprising a fixture for securing a fuel injector assembly comprising a fuel injector nozzle, a specialized nut, and a fuel injector body disposed from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671277.4U CN220839915U (en) | 2023-09-28 | 2023-09-28 | Self-adaptive floating compaction tool and workbench of oil sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671277.4U CN220839915U (en) | 2023-09-28 | 2023-09-28 | Self-adaptive floating compaction tool and workbench of oil sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220839915U true CN220839915U (en) | 2024-04-26 |
Family
ID=90775534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322671277.4U Active CN220839915U (en) | 2023-09-28 | 2023-09-28 | Self-adaptive floating compaction tool and workbench of oil sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220839915U (en) |
-
2023
- 2023-09-28 CN CN202322671277.4U patent/CN220839915U/en active Active
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