CN217434215U - Disassembling tool for rotary cap of air valve of diesel engine - Google Patents
Disassembling tool for rotary cap of air valve of diesel engine Download PDFInfo
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- CN217434215U CN217434215U CN202220596769.4U CN202220596769U CN217434215U CN 217434215 U CN217434215 U CN 217434215U CN 202220596769 U CN202220596769 U CN 202220596769U CN 217434215 U CN217434215 U CN 217434215U
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Abstract
The utility model discloses a disassembling tool for a rotary cap of a diesel engine air valve, which comprises a supporting mechanism and a pressing mechanism; the supporting mechanism comprises a force application bolt, a supporting pipe, a fixing plate and a fixing bolt, the lower end of the force application bolt is screwed on the top of the supporting pipe, the fixing plate is transversely fixed on one side of the lower end of the supporting pipe, and one end of the fixing bolt penetrates through the fixing plate and is fixed in a screw hole in the top of the cylinder cover of the diesel engine; the pressing mechanism comprises a pressing plate and a plurality of pressing assemblies, the middle of the pressing plate is sleeved on the upper end of the force application bolt, the pressing assemblies comprise a double-end screw and a pressing frame, the two ends of the double-end screw are fixedly connected with the top of the pressing plate and the top of the pressing frame respectively, and the bottoms of the pressing frames are supported on the tops of corresponding rotating caps on a cylinder cover of the diesel engine respectively during disassembly and assembly. The utility model is not only simple in structure is compact, and the installation is firm reliable, operates labour saving and time saving moreover, has improved work efficiency greatly, has reduced the cost of labor, has prolonged the life of air valve rod simultaneously, has reduced the use cost of pneumatic valve.
Description
Technical Field
The utility model relates to a diesel engine cylinder head goes up pneumatic valve and changes extracting tool of cap, especially an operation labour saving and time saving's diesel engine cylinder head top pneumatic valve changes cap extracting tool belongs to pincers worker repair tools technical field.
Background
The four-stroke medium-speed diesel engine is characterized in that four air valves for air inlet and exhaust are arranged on an air cylinder cover of the four-stroke medium-speed diesel engine, an air valve rod is arranged on each air valve, two air valve springs are sleeved on each air valve rod, a rotating cap is installed at the top of each air valve spring, a conical air valve locking clamp is inserted into a rotating cap hole and clamped in a clamping groove of each air valve rod, and the number of the air valve locking clamps and the rotating caps on one diesel engine is dozens according to the number of different cylinders of the diesel engine. The existing disassembling and assembling tool for the air valve rotating cap is heavy, the operation process is complex, time and labor are wasted, at least two persons are required to operate simultaneously, the working efficiency is low, the skill requirement on operators is high, the actual use effect is not ideal, the problems of galling of the end part of an air valve rod, damage of a clamping groove and the like can often occur, the manufacturing cost of products is increased, and the manufacturing period of the products is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel engine pneumatic valve commentaries on classics cap extracting tool that simple structure, operation labour saving and time saving, work efficiency are high.
The utility model discloses a following technical scheme realizes:
a tool for disassembling and assembling a rotary cap of a diesel engine air valve comprises a supporting mechanism and a pressing mechanism; the supporting mechanism comprises a force application bolt, a supporting pipe, a fixing plate and a fixing bolt, the lower end of the force application bolt is screwed on the top of the supporting pipe, the fixing plate is transversely fixed on one side of the lower end of the supporting pipe, and one end of the fixing bolt penetrates through the fixing plate and is fixed in a screw hole in the top of a cylinder cover of the diesel engine when the supporting mechanism is used; the lower pressing mechanism comprises a pressing plate and a plurality of pressing assemblies fixed on the lower side of the pressing plate at intervals, the positions of the pressing assemblies correspond to the positions of rotating caps on a plurality of air inlet and exhaust valves on a diesel engine cylinder cover respectively, the middle of the pressing plate is sleeved on the upper end of a force application bolt, the pressing assemblies comprise a double-end screw and a pressing frame, the two ends of the double-end screw are fixedly connected with the pressing plate and the top of the pressing frame respectively, and the bottoms of the pressing frames are supported on the tops of the corresponding rotating caps on the diesel engine cylinder cover respectively during disassembly and assembly.
The object of the invention is further achieved by the following technical measures.
According to the disassembling and assembling tool for the rotary cap of the air valve of the diesel engine, the fixing plate is provided with the waist-shaped groove, and one end of the fixing plate extends out of the stud.
According to the disassembling and assembling tool for the rotary cap of the air valve of the diesel engine, the bearing is arranged between the force application bolt and the pressing plate.
According to the disassembling tool for the rotary cap of the air valve of the diesel engine, the pressing plate is of a quincunx structure.
According to the disassembling tool for the rotary cap of the air valve of the diesel engine, the support plates on two sides of the pressing frame are of arc-shaped structures.
According to the disassembling tool for the rotary cap of the air valve of the diesel engine, the plurality of mounting holes are uniformly distributed on the periphery of the lower end of the supporting tube.
The utility model discloses can easily take out pneumatic valve collet and change the cap, can not draw hair air valve pole, damage its draw-in groove, an operator can accomplish whole operations, and one operation can take out four collets on the cylinder head simultaneously and change the cap, also can carry out the pertinence dismouting to single commentaries on classics cap, not only simple structure is compact, the installation is firm reliable, operation labour saving and time saving has improved work efficiency greatly moreover, the cost of labor has been reduced, the life of air valve pole has been prolonged simultaneously, the use cost of pneumatic valve has been reduced. The waist-shaped groove on the fixing plate can be used for adjusting the mounting position of the fixing bolt, and the bearing between the force application bolt and the pressing plate can prevent the pressing plate from being damaged due to excessive friction between the force application bolt and the pressing plate.
The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention installed on the top of the cylinder head;
fig. 3 is a schematic perspective view of the fixing plate of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the present invention includes a supporting mechanism 1 and a pressing mechanism 2. The supporting mechanism 1 comprises a force application bolt 11, a supporting pipe 12, a fixing plate 13 and a fixing bolt 14, wherein the lower end of the force application bolt 11 is screwed on the top of the supporting pipe 12, and four mounting holes 15 are uniformly distributed on the periphery of the lower end of the supporting pipe 12. The fixing plate 13 is transversely fixed on one side of the lower end of the support tube 12, as shown in fig. 3, a waist-shaped groove 131 is arranged on the fixing plate 13, a stud 132 extends out of one end of the fixing plate 13, the stud 132 is screwed and fixed on one mounting hole 15, and when the diesel engine cylinder cover fixing device is used, one end of the fixing bolt 14 penetrates through the fixing plate 13 and is screwed in a screw hole in the top of the diesel engine cylinder cover.
The pressing mechanism 2 comprises a pressing plate 21 and four pressing components 22 fixed on the lower side of the pressing plate at intervals, and the positions of the four pressing components 22 correspond to the positions of the four intake and exhaust valve upper rotating caps 3 on the cylinder cover of the diesel engine respectively. The pressing plate 21 is in a quincunx structure, the middle part of the pressing plate is sleeved on the upper end of the force application bolt 11, and a bearing 4 is arranged between the force application bolt 11 and the pressing plate 21. The pressing assembly 22 comprises a double-threaded screw 221 and a pressing frame 222, two ends of the double-threaded screw 221 are fixedly connected with the tops of the pressing plate 21 and the pressing frame 222 in a screwing mode respectively, supporting plates on two sides of the pressing frame 222 are of arc-shaped structures, and the bottoms of the pressing frames 222 are supported on the tops of the corresponding rotating caps 3 on the cylinder covers of the diesel engine respectively during dismounting. The utility model discloses a polytetrafluoroethylene material preparation, the dismouting is stored lightly.
The utility model discloses the dismouting process is as follows:
as shown in fig. 2, the present invention is placed on top of the diesel engine cylinder head 5, the support tube 12 is supported on top of the injector sleeve, and at the same time, the four pressing frames 222 are supported on top of the four rotating caps 3, respectively, and finally the fixing bolts 14 are screwed. At this moment, the force application bolt 11 is screwed up, and the force application bolt 11 descends, and the force application bolt 11 promotes the clamp plate 21 and pushes down, and the clamp plate 21 compresses tightly the rotating cap 3 and the spring downwards through stud 221 and compression bracket 222, treats that the collet 6 exposes the back from the rotating cap 3, takes out four collets 6, then back-screws the force application bolt 11, pushes down the upward movement of mechanism under the effect of spring restoring force, and whole device uninstallation is demolishd the utility model discloses, can once only demolish four whole rotating caps 3. If need to a specific certain air valve swivel cap when the dismouting of fixing a point, only need with the utility model discloses in correspond compress tightly the composite mount use can.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a diesel engine pneumatic valve changes cap assembly and disassembly tools which characterized in that: comprises a supporting mechanism and a pressing mechanism; the supporting mechanism comprises a force application bolt, a supporting pipe, a fixing plate and a fixing bolt, the lower end of the force application bolt is screwed on the top of the supporting pipe, the fixing plate is transversely fixed on one side of the lower end of the supporting pipe, and one end of the fixing bolt penetrates through the fixing plate and is fixed in a screw hole in the top of a cylinder cover of the diesel engine when the supporting mechanism is used; the lower pressing mechanism comprises a pressing plate and a plurality of pressing assemblies fixed on the lower side of the pressing plate at intervals, the positions of the pressing assemblies correspond to the positions of rotating caps on a plurality of air inlet and exhaust valves on a diesel engine cylinder cover respectively, the middle of the pressing plate is sleeved on the upper end of a force application bolt, the pressing assemblies comprise a double-end screw and a pressing frame, the two ends of the double-end screw are fixedly connected with the pressing plate and the top of the pressing frame respectively, and the bottoms of the pressing frames are supported on the tops of the corresponding rotating caps on the diesel engine cylinder cover respectively during disassembly and assembly.
2. The tool for disassembling and assembling the swivel cap of the air valve of the diesel engine as claimed in claim 1, wherein: a waist-shaped groove is formed in the fixing plate, and a stud extends out of one end of the fixing plate.
3. The tool for disassembling and assembling the swivel cap of the air valve of the diesel engine as claimed in claim 1, wherein: and a bearing is arranged between the force application bolt and the pressure plate.
4. A tool for dismounting a rotary cap of a diesel engine valve as set forth in claim 3, wherein: the pressing plate is of a quincunx structure.
5. The tool for disassembling and assembling the swivel cap of the air valve of the diesel engine as claimed in claim 1, wherein: the support plates on two sides of the pressing frame are of arc-shaped structures.
6. The tool for disassembling and assembling the swivel cap of the air valve of the diesel engine as claimed in claim 1, wherein: a plurality of mounting holes are uniformly distributed on the periphery of the lower end of the supporting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220596769.4U CN217434215U (en) | 2022-03-18 | 2022-03-18 | Disassembling tool for rotary cap of air valve of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220596769.4U CN217434215U (en) | 2022-03-18 | 2022-03-18 | Disassembling tool for rotary cap of air valve of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217434215U true CN217434215U (en) | 2022-09-16 |
Family
ID=83215381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220596769.4U Active CN217434215U (en) | 2022-03-18 | 2022-03-18 | Disassembling tool for rotary cap of air valve of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217434215U (en) |
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2022
- 2022-03-18 CN CN202220596769.4U patent/CN217434215U/en active Active
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