CN114102284A - Tool for high-pressure oil pump tappet - Google Patents
Tool for high-pressure oil pump tappet Download PDFInfo
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- CN114102284A CN114102284A CN202111291176.3A CN202111291176A CN114102284A CN 114102284 A CN114102284 A CN 114102284A CN 202111291176 A CN202111291176 A CN 202111291176A CN 114102284 A CN114102284 A CN 114102284A
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- tappet
- mounting block
- oil pump
- pressure oil
- tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- Mechanical Engineering (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a tool for a high-pressure oil pump tappet, which comprises a flat column section, wherein the flat column section is provided with a shaft hole in a penetrating manner, the flat column section is provided with two flat straight sections which are oppositely arranged along the radial direction of the flat column section and two arc sections which are connected with the two flat straight sections, the two tappets are respectively a first tappet and a second tappet, the tool for the high-pressure oil pump tappet comprises a main body, the main body comprises a first mounting block and a second mounting block which are sequentially connected along the length direction of the main body, the first mounting block is used for being connected with the flat straight section of the first tappet, the second mounting block is used for being inserted into the shaft hole of the second tappet and is connected with the arc section of the second tappet so as to connect and assemble the two tappets into a whole; carry out the cylindrical grinding to integrative structure again, because the both ends of integrative structure are the cylinder section, then can not take place the slope at the in-process of processing, can obtain accurate processing achievement, improve machining efficiency.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a tool for a high-pressure oil pump tappet.
Background
The high-pressure oil pump tappet comprises a flat square section and a round section, wherein the flat square section is provided with two flat straight sections which are oppositely arranged along the radial direction of the flat square section and two arc sections which are connected with the two flat straight sections;
in the course of working of traditional high-pressure oil pump tappet, for example, in the cylindrical grinding of high-pressure oil pump tappet, because of high-pressure oil pump tappet structure and focus reason, at the processing grinding excircle in-process, the high-pressure oil pump tappet rotates to the oblate position and can the downward sloping when the grinding, causes the oblate section external diameter tolerance zone great than whole circle section, consequently leads to the excircle tolerance zone of part big.
Disclosure of Invention
The invention mainly aims to provide a tool for a high-pressure oil pump tappet, and aims to solve the problem that the excircle tolerance zone of a part is large due to a traditional excircle grinding method for the high-pressure oil pump tappet.
In order to achieve the above object, the present invention provides a tooling for a high-pressure oil pump tappet, where the tappet includes a flat column section, the flat column section has a shaft hole through the flat column section, the flat column section has two straight sections oppositely disposed along a radial direction of the flat column section, and two arc sections connecting the two straight sections, the two tappets are a first tappet and a second tappet, and the tooling includes:
the main part, the main part is including connecting gradually first installation piece and second installation piece along its length direction, first installation piece be used for with the straight section of first tappet is connected, the second installation piece is used for inserting the shaft hole of second tappet to with the circular arc section of second tappet is connected, in order to be with two the tappet is connected and is assembled into an organic whole.
Optionally, a positioning protrusion is disposed on one side of the first mounting block, and the positioning protrusion is used for being inserted into and connected with a positioning hole of the straight section.
Optionally, a side surface of the first mounting block, which faces away from the positioning protrusion, is arranged in an arc surface shape so as to be matched with the shape of the outer side surface of the arc section of the first tappet at the position.
Optionally, the first mounting block has two opposite side edges along the width direction of the main body, and the two side edges are spaced from the side walls of the corresponding straight sections.
Optionally, the two side edges of the first mounting block are respectively provided with an elastic lug, and the elastic lugs are used for protruding from the side edges towards the straight section.
Optionally, the second mounting block has an abutting surface for approaching an inner side wall of the shaft hole of the second tappet, and the abutting surface is arranged in an arc surface shape so as to be matched with the shape of the inner side surface of the arc section of the second tappet at the position.
Optionally, a plurality of rubber protrusions are arranged on the abutting surface of the second mounting block.
Optionally, a supporting step is formed between the first mounting block and the second mounting block, and the supporting step is used for supporting and fixing an end surface of the second tappet when the first tappet is connected with the second tappet.
Optionally, the thickness of the second mounting block at least at the free end thereof is tapered in a direction from the second mounting block away to the second tappet.
Optionally, the main bodies are provided in at least two;
the first mounting blocks of the two main bodies are correspondingly connected with the two straight sections of the first tappet one by one; alternatively, the first and second electrodes may be,
one of the two main bodies is provided with the first mounting block which is mounted on the straight section of the first tappet, and the other one of the two main bodies is provided with the first mounting block which is mounted on the straight section of the second tappet.
According to the technical scheme, the main body comprises a first mounting block and a second mounting block which are sequentially connected along the length direction of the main body, the first mounting block is used for being connected with the straight section of the first tappet, the second mounting block is used for being inserted into the shaft hole of the second tappet and is connected with the circular arc section of the second tappet, the tappet comprises the flat column section and the cylindrical section connected with the flat column section, and the main body is connected with the two flat column sections, so that the main body can assemble the first tappet and the second tappet into a whole and then carry out cylindrical grinding on the integrated structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a tool for a high-pressure oil pump tappet, according to the present invention, in which two tappets are assembled into a whole;
FIG. 2 is an exploded perspective view of FIG. 1;
FIG. 3 is a schematic perspective view of the tooling for the high-pressure oil pump tappet in FIG. 1;
FIG. 4 is a perspective view of FIG. 3 from another perspective;
FIG. 5 is a schematic perspective view of the tappet of FIG. 1;
FIG. 6 is a perspective view of FIG. 5 from another perspective;
fig. 7 is a schematic structural diagram of an embodiment of the grinding machine according to the present invention (including a tappet).
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1000 | Assembly body | 202 | |
| 100 | Tool for high-pressure |
210 | |
| 10 | |
211 | |
| 101 | |
212 | |
| 1011 | |
2121 | Locating |
| 102 | |
213 | |
| 103 | |
220 | |
| 1031 | |
3000 | |
| 1032 | |
310 | |
| 104 | |
320 | |
| 200 | |
330 | |
| 201 | |
340 | Pressing plate |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The high-pressure oil pump tappet comprises a flat square section and a round section, wherein the flat square section is provided with two flat straight sections which are oppositely arranged along the radial direction of the flat square section and two arc sections which are connected with the two flat straight sections;
in the course of working of traditional high-pressure oil pump tappet, for example, in the cylindrical grinding of high-pressure oil pump tappet, because of high-pressure oil pump tappet structure and focus reason, at the processing grinding excircle in-process, the high-pressure oil pump tappet rotates to the oblate position and can the downward sloping when the grinding, causes the oblate section external diameter tolerance zone great than whole circle section, consequently leads to the excircle tolerance zone of part big.
In view of this, the present invention provides a tool for a high-pressure oil pump tappet, which can assemble two tappets into a whole, so as to facilitate cylindrical grinding of the flat column section, the tool for a high-pressure oil pump tappet improves processing accuracy and processing efficiency, fig. 1 and 2 are an embodiment of the tool for a high-pressure oil pump tappet provided by the present invention, fig. 3 and 4 are an embodiment of the tappet, fig. 5 and 6 are an embodiment of the tool for a high-pressure oil pump tappet provided by the present invention, in which two tappets are assembled into a whole, and fig. 7 is an embodiment of a processing grinder in which two tappets are assembled into a whole.
Referring to fig. 1, 2, 5 and 6, the tappet 200 includes a flat column section 210, the flat column section 210 has a shaft hole 211 formed therethrough, the flat column section 210 has two straight sections 212 oppositely disposed along a radial direction thereof and two arc sections 213 connecting the two straight sections 212, the tappet 200 has two, and the two tappets 200 are a first tappet 201 and a second tappet 202 respectively; the tool 100 for the high-pressure oil pump tappet comprises a main body 10, wherein the main body 10 comprises a first mounting block 101 and a second mounting block 103 which are sequentially connected along the length direction of the main body 10, the first mounting block 101 is used for being connected with a straight section 212 of a first tappet 201, and the second mounting block 103 is used for being inserted into a shaft hole 211 of a second tappet 202 and is connected with an arc section 213 of the second tappet 202, so that the two tappets 200 are connected and assembled into a whole.
In the technical solution of the present invention, the main body 10 includes a first mounting block 101 and a second mounting block 103 sequentially connected along a length direction thereof, the first mounting block 101 is configured to be connected to a straight section 212 of the first tappet 201, the second mounting block 103 is configured to be inserted into a shaft hole 211 of the second tappet 202 and connected to a circular arc section 213 of the second tappet 202, the tappet 200 includes a flat column section 210 and a cylindrical section 220 connected to the flat column section 210, and the main body 10 is connected to the two flat column sections 210, so that the main body 10 can assemble the first tappet 201 and the second tappet 202 into a whole, and then perform cylindrical grinding on the integrated structure, and since both ends of the integrated structure are the cylindrical sections 220, the inclination does not occur during the machining process, a precise machining result can be obtained, and two tappets 200 can be simultaneously machined, the processing efficiency is improved.
In order to connect the first mounting block 101 and the straight section 212, specifically, in this embodiment, a positioning protrusion 102 is disposed on one side of the first mounting block 101, a positioning hole 2121 corresponding to the straight section 212 is disposed on the straight section 212, and the positioning protrusion 102 is inserted into the positioning hole 2121, so that the first mounting block 101 and the straight section 212 can be connected, and the structure is simple, the connection is convenient, and the assembly and disassembly are easy.
With continued reference to fig. 1 and 2, in the connection of the first tappet 201 and the second tappet 202, the flat sections 210 of the two tappets 200 are connected, and the flat sections 212 of the first tappet 201 and the flat sections 212 of the second tappet 202 are arranged in a staggered manner; the second mounting block 103 is configured to be inserted into the shaft hole 211 of the second tappet 202, that is, the straight section 212 of the first tappet 201 and the circular arc section 213 of the second tappet 202 form an opening, and the second mounting block 103 is inserted into the shaft hole 211 from the opening, so that the first tappet 201 and the second tappet 202 can be assembled into a whole as long as the second mounting block 103 is engaged with the opening, that is, the first mounting block 101 plays a role in mounting and connecting.
Therefore, the present application does not limit the structure of the positioning bump 102, and the positioning bump 102 may be inserted into the positioning hole 2121; in this embodiment, the positioning protrusion 102 is configured as a positioning cylinder, and is adapted to the positioning hole 2121, and the connection is stable, so that in the subsequent processing process, the first tappet 201 and the second tappet 202 are prevented from shaking, and the stability is improved.
In order to improve the smoothness of the processing process of the first tappet 201 and the second tappet 202, in this embodiment, referring to fig. 2 to 4, the side surface of the first mounting block 101 opposite to the positioning protrusion 102 is disposed in an arc surface shape, when the positioning protrusion 102 is inserted into the positioning hole 2121, the second mounting block 103 is inserted into the shaft hole 211 to complete the connection of the first tappet 201 and the second tappet 202, the first mounting block 101 is adapted to the outer side surface of the arc section 213 of the first tappet 201, and the side surface of the first mounting block 101 opposite to the positioning protrusion 102 and the arc section 213 form an arc adapted to the periphery of the cylindrical section 220, so that the first tappet 201 and the second tappet 202 form an integrated structure, and the formation of the integrated structure can be avoided during the outer circle grinding process, the outer diameter of the flat column section 210 is different from that of the cylindrical section 220, so that the processing process is smoother, and the processing precision is higher.
Since the straight sections 212 of the tappets 200 to be machined are different in size in the actual production process, in order to improve the versatility of the main body 10, in this embodiment, referring to fig. 1, the first mounting block 101 has two side edges 1011 oppositely disposed along the width direction of the main body 10, and the two side edges 1011 are used for being spaced apart from the corresponding side walls of the straight sections 212, so that when the first mounting block 101 is mounted on the first tappet 201, the two side edges 1011 of the first mounting block 101 are spaced from the corresponding side walls of the straight sections 212, so that the first mounting block 101 can be mounted on the corresponding straight sections 212 with larger size and the straight sections 212 with smaller size within a certain distance under the condition that the positioning protrusions 102 can be inserted into the positioning holes 2121; by such an arrangement, the versatility is improved, and the development cost of the main body 10 is reduced.
More specifically, in this embodiment, both side edges 1011 of the first mounting block 101 are provided with elastic protrusions, and the elastic protrusions are used for protruding from the side edges 1011 toward the straight section 212, so that when the first mounting block 101 is mounted on the straight section 212 of the first tappet 201, the elastic protrusions are clamped into the side edges 1011 and the corresponding side walls of the straight section 212, so as to mount the first mounting block 101 more firmly, and when the thickness of the elastic protrusions is greater than the side edges 1011 and the corresponding side walls of the straight section 212, the elastic protrusions are pressed due to the elastic characteristics of the elastic protrusions, so that the first mounting block 101 can also be mounted on the straight section 212; in this way, the versatility of the main body 10 is ensured while improving stability.
The application is not limited to the material of the elastic protrusions, and the elastic protrusions may be made of rubber in this embodiment, or may be made of folded metal sheets in another embodiment.
In order to prevent the inner side wall of the second tappet 202 from being scratched, in this embodiment, referring to fig. 2, 4 and 6, the second mounting block 103 has an abutment surface 1031 for approaching the inner side wall of the shaft hole 211, the abutment surface 1031 is arranged in an arc surface shape, since the arc surface has no edge compared with a block body, when the second mounting block 103 is inserted into the shaft hole 211 of the second tappet 202 from the opening, a scratch between the abutment surfaces 1031 of the inner side wall of the shaft hole 211 of the second tappet 103 for approaching the second tappet 202 can be avoided, damage to the tappet 200 is reduced, the quality of the tappet 200 is improved, and the abutment surface 1031 is matched with the shape of the inner side surface of the arc section 213 of the second tappet 202 at the position, damage to the tappet 200 caused by the scratch is further reduced, and the second mounting block 103 can be inserted into the shaft hole 211 of the second tappet 202 more stably, so that the first tappet 201 and the second tappet 202 are more firmly connected. So set up, improve stability.
In another embodiment, the arc section 213 of the second tappet 202 may further be provided with a slot adapted to the second mounting block box, when the second mounting block 103 is inserted into the shaft hole of the second tappet 202, a small portion of the second tappet 202 is accommodated in the slot, and the abutting surface 1031 abuts against a slot wall of the slot.
Further, in order to protect the inner side surface of the circular arc section 213, in this embodiment, a plurality of rubber protrusions are disposed on the abutting surface 1031 of the second mounting block 103, and since the rubber is made of a flexible material, during the mounting and dismounting processes of the second mounting block 103, the abutting surface 1031 always has a relative movement with respect to the inner side surface of the circular arc section 213 of the second tappet 202, so that the plurality of rubber protrusions play a role of buffering during the relative movement, and the inner side surface of the circular arc section 213 of the second tappet 202 is prevented from being scratched; and due to the elastic characteristic of the plurality of rubber protrusions, the second mounting block 103 is more firmly inserted into the shaft hole 211 of the second tappet 202, and the second mounting block 103, namely the first tappet 201 and the second tappet 202 are more tightly assembled into a whole, so that the structure is simple and the practicability is high.
In order to insert the second mounting block 103 into the shaft hole 211 of the second tappet 202 more firmly, in this embodiment, referring to fig. 1 and 3, a supporting step 104 is formed between the first mounting block 101 and the second mounting block 103, when the first mounting block 101 is mounted on the straight section 212 of the first tappet 201 and the second mounting block 103 is inserted into the shaft hole 211 of the second tappet 202, the supporting step 104 supports the end surface of the second tappet 202, so that the first tappet 201 and the second tappet 202 can be tightly combined into a whole, and thus the connection between the first tappet 201 and the second tappet 202 is enhanced, and the connection is tight and the appearance is beautiful.
In order to make the second mounting block 103 be inserted into the shaft hole 211 of the second tappet 202 more easily, the flat sections 210 of the two tappets 200 are connected, and the flat sections 212 of the first tappet 201 and the flat sections 212 of the second tappet 202 are arranged in a staggered manner; the second mounting block 103 is configured to be inserted into the shaft hole 211 of the second lifter 202, that is, the straight section 212 of the first lifter 201 and the circular arc section 213 of the second lifter 202 form an opening, and the second mounting block 103 is inserted into the shaft hole 211 from the opening, in this embodiment, referring to fig. 3, the thickness of the second mounting block 103 at least at the free end 1032 of the second mounting block 103 is gradually reduced in a direction from a direction away from the second mounting block 103 to a direction close to the second lifter 202, so that the free end 1032 is convenient to enter the opening, and the second mounting block can be inserted into the shaft hole 211 of the second lifter 202 more easily.
The number of the main bodies 10 is not limited in the present application, and the main bodies 10 are arranged in at least two, in an embodiment, the first mounting blocks 101 of two main bodies 10 are connected to the two straight sections 212 of the first tappet 201 in a one-to-one correspondence manner, that is, the first mounting blocks 101 of two main bodies 10 are connected to the two straight sections 212 of the first tappet 201 in a one-to-one correspondence manner, and the second mounting blocks 103 of two main bodies 10 are inserted into the shaft holes 211 of the second tappet 202 in a one-to-one correspondence manner, at this time, the two tappets 200 are arranged in an opposite manner, so that the first tappet 201 and the second tappet 202 are assembled into a whole.
In another embodiment, one of the first mounting blocks 101 of the two main bodies 10 is mounted to the straight section 212 of the first tappet 201, the other first mounting block 101 is mounted to the straight section 212 of the second tappet 202, that is, one of the first mounting blocks 101 of the two main bodies 10 is mounted to the straight section 212 of the first tappet 201, the second mounting block 103 thereof is inserted into the shaft hole 211 of the second tappet 202, and the first mounting block 101 of the other main body 10 is mounted to the straight section 212 of the first tappet 200, the second mounting block 103 thereof is inserted into the shaft hole 211 of the first tappet 201, and the two tappets 200 are arranged in a staggered manner, so that the first tappet 201 and the second tappet 202 are assembled into a whole.
In this embodiment, referring to fig. 1 and 2, the number of the main bodies 10 is four, wherein the first mounting blocks 101 of two main bodies 10 are correspondingly mounted on two straight sections 212 of the first tappet 201 one by one, and the second mounting blocks 103 of two main bodies 10 are inserted into the shaft holes 211 of the second tappet 202; the first mounting blocks 101 of the other two main bodies 10 are mounted on the two straight sections 212 of the second tappet 202 in a one-to-one correspondence manner, and the second mounting block 103 thereof is inserted into the shaft hole 211 of the first tappet 201, so that the first tappet 201 and the second tappet 202 are assembled into a whole; so, it is more firm, improve stability.
In the present invention, referring to fig. 1, 2 and 7, the four main bodies 10 integrally assemble the first tappet 201 and the second tappet 202, and then grind the outer circles of the first tappet 201 and the second tappet 202 by using a grinding machine 3000, wherein the processing method for grinding the outer circles of the first tappet 201 and the second tappet 202 includes the following steps:
providing a grinding machine 3000, wherein the grinding machine 3000 comprises a grinding wheel 320 and a guide wheel 310 which is arranged oppositely in the left-right direction of the grinding wheel 320, a grinding station is formed between the grinding wheel 320 and the guide wheel 310, a supporting plate 330 is arranged at the position, close to the grinding wheel 320, of the lower side of the grinding station, and a pressing plate 340 is arranged at the upper side of the grinding station;
correspondingly mounting two of the first mounting blocks 101 of the main body 10 to the straight section 212 of the first tappet 201, inserting and matching the positioning projection 102 of the first mounting block 101 with the positioning hole 2121 of the straight section 212 of the first tappet 201, correspondingly mounting two of the first mounting blocks 101 of the main body 10 to the straight section 212 of the second tappet 202, inserting and matching the positioning projection 102 of the first mounting block 101 with the positioning hole 2121 of the straight section 212 of the second tappet 202;
the first tappet 201 is opposite to the flat column section 210 of the second tappet 202, the flat sections 212 of the first tappet 201 and the second tappet 202 are arranged in a staggered manner, then the second mounting blocks 103 mounted on the two main bodies 10 of the first tappet 201 are correspondingly inserted into the shaft holes 211 of the second tappet 202, and similarly, the second mounting blocks 103 mounted on the two main bodies 10 of the second tappet 202 are correspondingly inserted into the shaft holes 211 of the first tappet 201, so that the first tappet 201 and the second tappet 202 are assembled into a whole;
setting the first tappet 201 and the second tappet 202 which are integrally assembled into a combined body 1000, placing the combined body 1000 on the grinding station, wherein the supporting plate 330 is used for supporting the combined body 1000, the pressing plate 340 is used for pressing the upper side surface of the combined body 1000, the guide wheel 310 and the grinding wheel 320 are positioned at the left side and the right side of the combined body 1000, the rotating directions of the guide wheel 310 and the grinding wheel 320 are opposite, the grinding wheel 320 performs cylindrical grinding on the combined body 1000, and the end part of the combined body 1000 does not incline downwards in the grinding process;
after the ground assembly 1000 is taken out, pulling forces in opposite directions are applied to the two ends of the assembly 1000, so that the second mounting blocks 103 can be pulled out from the corresponding shaft holes 211, and then the positioning protrusions 102 of the first mounting blocks 101 are taken out from the corresponding positioning holes 2121, so as to obtain the first tappet 201 and the second tappet 202 which are processed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The tool for the high-pressure oil pump tappet is characterized in that the tool for the high-pressure oil pump tappet comprises a main body, the main body comprises a first installation block and a second installation block which are sequentially connected along the length direction of the main body, the first installation block is used for being connected with the straight section of the first tappet, and the second installation block is used for being inserted into the shaft hole of the second tappet and connected with the arc section of the second tappet so as to connect and assemble the two tappets into a whole.
2. The tool for the high-pressure oil pump tappet according to claim 1, wherein a positioning bump is arranged on one side of the first mounting block and used for being inserted and connected with a positioning hole of the straight section.
3. The tool for the high-pressure oil pump tappet according to claim 2, wherein the side surface of the first mounting block, which faces away from the positioning protrusion, is in the shape of an arc surface so as to be matched with the shape of the outer side surface of the arc section of the first tappet at the position.
4. The tool for a high-pressure oil pump tappet according to claim 2, wherein the first mounting block has two opposite side edges along the width direction of the main body, and the two side edges are spaced from the side walls of the corresponding straight sections.
5. The tool for the high-pressure oil pump tappet according to claim 4, wherein elastic bumps are mounted on two side edges of the first mounting block and used for protruding from the side edges towards the straight section.
6. The tool for the high-pressure oil pump tappet according to claim 1, wherein the second mounting block has an abutting surface for being close to an inner side wall of the shaft hole of the second tappet, and the abutting surface is arranged in an arc surface shape so as to be matched with the shape of the inner side surface of the arc section of the second tappet at the position.
7. The tool for the high-pressure oil pump tappet according to claim 6, wherein a plurality of rubber protrusions are arranged on the abutting surface of the second mounting block.
8. The tool for the high-pressure oil pump tappet according to claim 1, wherein a supporting step is formed between the first mounting block and the second mounting block, and the supporting step is used for supporting and fixing the end surface of the second tappet when the first tappet is connected with the second tappet.
9. The tooling for a high pressure oil pump tappet according to claim 1, wherein the thickness of said second mounting block at least at the free end thereof is tapered in a direction from the distance to the proximity of said second tappet.
10. The tool for the high-pressure oil pump tappet according to claim 1, wherein the number of the main bodies is at least two;
the first mounting blocks of the two main bodies are correspondingly connected with the two straight sections of the first tappet one by one; alternatively, the first and second electrodes may be,
one of the two main bodies is provided with the first mounting block which is mounted on the straight section of the first tappet, and the other one of the two main bodies is provided with the first mounting block which is mounted on the straight section of the second tappet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291176.3A CN114102284B (en) | 2021-11-02 | 2021-11-02 | Tool for high-pressure oil pump tappet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111291176.3A CN114102284B (en) | 2021-11-02 | 2021-11-02 | Tool for high-pressure oil pump tappet |
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| Publication Number | Publication Date |
|---|---|
| CN114102284A true CN114102284A (en) | 2022-03-01 |
| CN114102284B CN114102284B (en) | 2023-01-24 |
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| CN (1) | CN114102284B (en) |
Citations (11)
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| CN1240497A (en) * | 1996-12-20 | 2000-01-05 | Ina滚柱轴承制造无限责任公司 | Tappet for a valve mechanism of an internal combustion engine |
| JP2000218454A (en) * | 1999-02-04 | 2000-08-08 | Fuji Oozx Inc | Jig for cylindrical workpiece |
| US20040007106A1 (en) * | 2002-07-10 | 2004-01-15 | Minoru Kuwahara | Cutting tool holder and method for using the same |
| CN1815054A (en) * | 2000-12-07 | 2006-08-09 | 赤泽机械株式会社 | Balancer |
| CN1840934A (en) * | 2005-03-28 | 2006-10-04 | 丰田自动车株式会社 | Balance adjusting member and a balance adjusting method for a rotor |
| US20130068064A1 (en) * | 2010-06-01 | 2013-03-21 | Schaeffler Technologies AG & Co. KG | Roller tappet |
| CN202914625U (en) * | 2012-10-15 | 2013-05-01 | 杨孝晟 | Dynamic balance ring |
| US20160341439A1 (en) * | 2013-07-12 | 2016-11-24 | Best Technologies, Inc. | Self balancing air fixture |
| US20180001404A1 (en) * | 2015-02-18 | 2018-01-04 | The Gleason Works | Compensation device and clamping device for workpieces equipped with a compensation device of this type |
| CN211249379U (en) * | 2019-11-18 | 2020-08-14 | 绵阳市燊达机械加工有限公司 | Grinding device is used in production of hydraulic tappet |
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2021
- 2021-11-02 CN CN202111291176.3A patent/CN114102284B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841474A1 (en) * | 1996-11-07 | 1998-05-13 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Engine valve lifter with deactivation mechanism, in particular for cylinder cut-off |
| CN1240497A (en) * | 1996-12-20 | 2000-01-05 | Ina滚柱轴承制造无限责任公司 | Tappet for a valve mechanism of an internal combustion engine |
| JP2000218454A (en) * | 1999-02-04 | 2000-08-08 | Fuji Oozx Inc | Jig for cylindrical workpiece |
| CN1815054A (en) * | 2000-12-07 | 2006-08-09 | 赤泽机械株式会社 | Balancer |
| US20040007106A1 (en) * | 2002-07-10 | 2004-01-15 | Minoru Kuwahara | Cutting tool holder and method for using the same |
| CN1840934A (en) * | 2005-03-28 | 2006-10-04 | 丰田自动车株式会社 | Balance adjusting member and a balance adjusting method for a rotor |
| US20130068064A1 (en) * | 2010-06-01 | 2013-03-21 | Schaeffler Technologies AG & Co. KG | Roller tappet |
| CN202914625U (en) * | 2012-10-15 | 2013-05-01 | 杨孝晟 | Dynamic balance ring |
| US20160341439A1 (en) * | 2013-07-12 | 2016-11-24 | Best Technologies, Inc. | Self balancing air fixture |
| US20180001404A1 (en) * | 2015-02-18 | 2018-01-04 | The Gleason Works | Compensation device and clamping device for workpieces equipped with a compensation device of this type |
| CN211249379U (en) * | 2019-11-18 | 2020-08-14 | 绵阳市燊达机械加工有限公司 | Grinding device is used in production of hydraulic tappet |
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|---|---|
| CN114102284B (en) | 2023-01-24 |
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