CN217669151U - Valve guide pipe extracting tool - Google Patents
Valve guide pipe extracting tool Download PDFInfo
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- CN217669151U CN217669151U CN202221116554.4U CN202221116554U CN217669151U CN 217669151 U CN217669151 U CN 217669151U CN 202221116554 U CN202221116554 U CN 202221116554U CN 217669151 U CN217669151 U CN 217669151U
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- connecting rod
- valve guide
- removal tool
- hole
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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Abstract
The utility model provides a valve guide extracting tool, this extracting tool includes: the connecting rod is used for penetrating through the inside of the valve guide pipe, a first end of the connecting rod is provided with a protruding part, and the protruding part is used for abutting against the end face of the valve guide pipe; the support plate is sleeved on the connecting rod, and the first end face of the support plate is used for being connected with the top end of the cylinder cover; the linear driving device is placed on the second end face of the supporting plate and connected with the second end of the connecting rod, and the linear driving device can drive the connecting rod to move in the direction far away from the cylinder cover. The utility model provides a valve guide extracting tool adopts the mode of lifting to pull out valve guide from the cylinder head in, has avoided adopting the mode that the manual work was strikeed to waste time and energy and the drawback of fragile valve guide and cylinder head, but utilizes linear drive device to pull out valve guide, and it is convenient quick to dismantle, can not damage valve guide and cylinder head, but recycle reduces the maintenance cost.
Description
Technical Field
The utility model relates to a vehicle spare part extracting tool technical field especially relates to a valve guide extracting tool.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The existing valve guide pipe disassembling tool generally applies pressure for downward knocking so as to extrude the valve guide pipe, for the valve guide pipes of some large-cylinder-diameter engines, the length of the valve guide pipe is long, the downward pressure taken out of the valve guide pipe is relatively large, the displacement required by disassembling the valve guide pipe is increased, the manpower consumption is increased, the disassembling efficiency cannot be improved, meanwhile, the structure difficultly ensures uniform stress, the collision on a cylinder cover is easily caused, the collision on the valve guide pipe can be caused, even, the pressure required by disassembling is large because the interference proportioning is too large, the guide rod is broken due to the fact that the guide rod exceeds the compressive strength of the guide rod, the valve guide pipe is broken, and irreparable damage and damage are caused on the cylinder cover and the valve guide pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing valve guide pipe dismounting tool is low in dismounting efficiency and easily damages a cylinder cover and a valve guide pipe. The purpose is realized by the following technical scheme:
the utility model provides a valve guide extracting tool, valve guide extracting tool includes:
the connecting rod is used for penetrating through the inside of the valve guide pipe, a first end of the connecting rod is provided with a protruding part, and the protruding part is used for abutting against the end face of the valve guide pipe;
the support plate is sleeved on the connecting rod, and the first end face of the support plate is used for being connected with the top end of the cylinder cover;
the linear driving device is placed on the second end face of the supporting plate and connected with the second end of the connecting rod, and the linear driving device can drive the connecting rod to move in the direction far away from the cylinder cover.
The utility model provides a valve guide extracting tool adopts the mode of lifting to pull out valve guide from the cylinder head in, has avoided adopting the mode that the manual work was strikeed to waste time and energy and the drawback of fragile valve guide and cylinder head, but utilizes linear drive device, if the pneumatic cylinder pulls out valve guide, dismantles convenient quick, can not damage valve guide and cylinder head, but circulated use reduces the maintenance cost.
In addition, according to the utility model discloses a valve guide extracting tool still can have following additional technical characterstic:
in some embodiments of the present invention, the connecting rod includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are coaxially disposed, one end of the second connecting rod is provided with the protrusion, and the other end of the second connecting rod and the first connecting rod are detachably connected.
In some embodiments of the present invention, the first connecting rod is in threaded connection with the second connecting rod.
In some embodiments of the utility model, the valve guide extracting tool still includes the fixed disk, the fixed disk is established with detachable mode cover on the connecting rod, the pneumatic cylinder sets up the fixed disk with between the backup pad.
In some embodiments of the invention, the fixing plate is screwed to the connecting rod.
In some embodiments of the present invention, the valve guide removal tool further comprises a protection plate, the protection plate cover is located the connecting rod, one end of the protection plate is used for abutting against the top end of the cylinder head, the other end of the protection plate is abutted against the first end face of the support plate, and the protection plate is an elastic structure.
In some embodiments of the present invention, the protection plate is provided with a through hole, the connecting rod is movably inserted into the through hole, and the diameter of the through hole is larger than that of the valve guide rod.
In some embodiments of the invention, the linear drive comprises a hydraulic cylinder.
The utility model discloses an in some embodiments, the pneumatic cylinder is equipped with along the cross-under hole of self axial setting, the cross-under hole runs through the pneumatic cylinder, the connecting rod is worn to establish with mobilizable mode in the cross-under hole.
In some embodiments of the present invention, the protrusion and the connecting rod are integrally formed.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a first perspective structural view of a valve guide removal tool and a cylinder head according to an embodiment of the present invention;
FIG. 2 schematically illustratesbase:Sub>A cross-sectional structural view in the direction A-A of FIG. 1;
fig. 3 schematically shows a structural schematic view of a second viewing angle of a valve guide removal tool and a cylinder head according to an embodiment of the present invention;
fig. 4 schematically shows a structural schematic view of a first viewing angle of a valve guide removal tool according to an embodiment of the present invention;
figure 5 schematically shows a structural schematic diagram of a second viewing angle of a valve guide removal tool according to an embodiment of the present invention;
the reference numbers are as follows:
10: connecting rod, 11: first connecting rod, 12: second connecting rod, 13: projection, 14: fixing the disc;
20: a hydraulic cylinder;
30: support plate, 31: guard plate, 32: a through hole;
40: cylinder head, 41: a valve guide.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience in description, the relationship of one element or feature to another element or feature as illustrated in the figures may be described herein using spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "over", and the like. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "at 8230; \8230; below" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 5, the utility model provides a valve guide 41 dismounting tool, the valve guide 41 dismounting tool comprises a connecting rod 10, a supporting plate 30 and a linear driving device, the connecting rod 10 is used for penetrating the inside of the valve guide 41, a first end of the connecting rod 10 is provided with a convex part 13, and the convex part 13 is used for abutting against the end surface of the valve guide 41; the support plate 30 is sleeved on the connecting rod 10, and a first end surface of the support plate 30 is used for being connected with the top end of the cylinder cover 40; the linear driving device is disposed on the second end surface of the supporting plate 30, and the linear driving device is connected to the second end of the connecting rod 10, and the linear driving device can drive the connecting rod 10 to move in a direction away from the cylinder head 40.
It can be understood that the valve guide 41 is detached by lifting the valve guide 41, the connecting rod 10 is a cylindrical rod, the length of the connecting rod is greater than that of the valve guide 41, the protrusion 13 can be a nut or an annular block, the first end of the connecting rod 10 can be connected with the protrusion 13 by welding or screwing, the protrusion 13 protrudes out of the main body of the connecting rod 10, and the diameter of the protrusion is smaller than that of the valve guide hole. Linear drive adopts pneumatic cylinder or pneumatic cylinder, and pneumatic cylinder 20 or pneumatic cylinder select for use the conventional type, no longer further prescribe a limit to here, and pneumatic cylinder 20 sets up between the second end of connecting rod 10 and backup pad 30, and backup pad 30 is used for butt cylinder head 40, as stable holding surface, when guaranteeing to dismantle, and pneumatic cylinder 20 is difficult for rocking. The axial direction of the hydraulic cylinder 20 is parallel to the axial direction of the connecting rod 10, so that the expanding direction of the hydraulic cylinder 20 is consistent with the axial direction of the connecting rod 10, when the hydraulic cylinder 20 is expanded, one end of the connecting rod 10 is driven by a piston rod of the hydraulic cylinder 20 to move in the direction away from the cylinder cover 40, and the valve guide pipe 41 is driven by the bulge 13 of the connecting rod 10 to move in the direction away from the cylinder cover 40 along with the connecting rod 10 until the valve guide pipe 41 is detached.
The utility model provides a 41 extracting tool of valve guide adopts the mode of lifting to pull out valve guide 41 from cylinder head 40 in, has avoided adopting the mode that the manual work was strikeed to waste time and energy and fragile valve guide 41 and 40 drawback of cylinder head, but utilizes pneumatic cylinder 20 pressure to pull out valve guide 41, and it is convenient quick to dismantle, can not damage valve guide 41 and cylinder head 40, but circulated use reduces the maintenance cost.
In some embodiments of the present invention, the connecting rod 10 includes a first connecting rod 11 and a second connecting rod 12, the first connecting rod 11 and the second connecting rod 12 are coaxially disposed, one end of the second connecting rod 12 is provided with a protrusion 13, and the other end of the second connecting rod 12 is detachably connected to the first connecting rod 11. The first connecting rod 11 can be used as a universal lifting rod, the second connecting rod 12 can be used as a matched type lifting rod, namely, the second connecting rod 12 can be configured in a plurality of numbers, the length and diameter of the second connecting rod are matched with the valve guide pipes 41 with different specifications, the first connecting rod 11 can be connected with the second connecting rods 12 with the specifications, and the first connecting rod 11 and the second connecting rod 12 can be coaxially connected in a clamping or screwing mode. Correspondingly, the lug 13 of the second connecting rod 12 also matches the corresponding valve guide 41. The structure enables the dismounting tool for the valve guide 41 to adapt to dismounting work of the valve guide 41 with various specifications, and the universality adaptability of the dismounting tool is improved.
In some embodiments of the utility model, head rod 11 and second connecting rod 12 spiro union, the one end of head rod 11 is equipped with the screw hole, and the one end that bulge 13 was kept away from to second connecting rod 12 is equipped with the external screw thread, and head rod 11 and the 12 accessible spiro union of second connecting rod realize quick assembly disassembly, conveniently change second connecting rod 12, improve assembly and disassembly tools's adaptability.
In some embodiments of the present invention, the valve guide 41 detaching tool further includes a fixing plate 14, the fixing plate 14 is detachably fitted on the connecting rod 10, and the hydraulic cylinder 20 is disposed between the fixing plate 14 and the supporting plate 30. Fixed disk 14 is the disk type structure, is equipped with through-hole 32 wherein, and connecting rod 10 wears to establish in through-hole 32, and fixed disk 14 accessible spiro union or the form of joint can be dismantled with connecting rod 10 and be connected, and when the spiro union, through-hole 32 sets up the internal thread, and connecting rod 10 sets up the external screw thread, both spiro union connections. When the joint, can be divided into two semicircles with fixed disk 14, two semicircles are detachable to be connected into a dish type, set up a plurality of recesses on connecting rod 10, align fixed disk 14's semicircle and recess during the connection, can realize fixed disk 14 joint on connecting rod 10.
The utility model discloses an in some embodiments, connecting rod 10 is equipped with the external screw thread, is equipped with the screw hole on the fixed disk 14, and fixed disk 14 passes through screw hole and connecting rod 10 spiro union. The fixing plate 14 is connected with the connecting rod 10 in a threaded manner, so that the fixing plate 14 can be axially adjusted along the connecting rod 10. When the lift of the hydraulic cylinder 20 is insufficient, the hydraulic cylinder 20 can be reset, the locking position of the fixed disc 14 is adjusted again, stretching is carried out again, and the process is repeated for multiple times until the valve guide 41 is completely taken out.
In some embodiments of the present invention, the valve guide 41 detaching tool further includes a protection plate 31, the protection plate 31 is sleeved on the connecting rod 10, one end of the protection plate 31 is used for abutting against the top end of the cylinder head 40, the other end of the protection plate 31 abuts against the first end face of the supporting plate 30, and the protection plate 31 is an elastic structure. The protection plate 31 can be arranged between the support plate 30 and the cylinder cover 40, the cylinder cover 40 is prevented from being scratched and crushed in the dismounting process, the protection plate 31 can be made of elastic structures, such as nylon plates or rubber plates, and has certain wear resistance and better elasticity, so that the cylinder cover 40 is protected from being scratched by a hydraulic cylinder due to stress in the dismounting process.
In some embodiments of the present invention, the protection plate 31 is provided with a through hole 32, the connecting rod 10 is movably inserted into the through hole 32, and the diameter of the through hole 32 is larger than that of the valve guide rod. The diameter of the through hole 32 is set to be larger, so that the valve guide 41 is prevented from being shielded by the protection plate 31 when being detached, and meanwhile, the valve guide 41 can be conveniently taken down from the through hole 32.
In some embodiments of the present invention, the area of the first end surface of the support plate 30 is larger than the horizontal sectional area of the hydraulic cylinder 20. The area setting of the first terminal surface of the backup pad 30, namely the terminal surface contacting with the cylinder cover 40 is larger than the sectional area of the hydraulic cylinder 20, so that the backup pad 30 is kept stable in the dismounting process, the effect of stable support is achieved, the whole stress of the dismounting tool is prevented from shaking, and the dismounting quality and the dismounting safety are improved.
The utility model discloses an in some embodiments, pneumatic cylinder 20 is equipped with along the cross-under hole of self axial setting, and the cross-under hole runs through pneumatic cylinder 20, and connecting rod 10 wears to establish in the cross-under hole with mobilizable mode. The cross-under hole can with the coaxial setting of pneumatic cylinder 20, set up the cross-under hole and make pneumatic cylinder 20 can with the coaxial setting of connecting hole, the holistic stability of extracting tool when can improving the dismantlement.
In some embodiments of the present invention, the protrusion 13 is integrally formed with the connecting rod 10. The bulge 13 and the connecting rod 10 are integrally formed through a casting process, so that the strength is higher, and the phenomenon that the bulge 13 is stressed to be cracked and falls off in the dismounting process is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A valve guide removal tool, comprising:
the connecting rod is used for penetrating through the inside of the valve guide pipe, a first end of the connecting rod is provided with a protruding part, and the protruding part is used for abutting against the end face of the valve guide pipe;
the support plate is sleeved on the connecting rod, and the first end face of the support plate is used for being connected with the top end of the cylinder cover;
the linear driving device is placed on the second end face of the supporting plate and connected with the second end of the connecting rod, and the linear driving device can drive the connecting rod to move in the direction away from the cylinder cover.
2. A valve guide removal tool according to claim 1, wherein the connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod being disposed coaxially with the second connecting rod, one end of the second connecting rod being provided with the projection, the other end of the second connecting rod being detachably connected to the first connecting rod.
3. A valve guide removal tool as claimed in claim 2, wherein said first connecting rod is threadedly engaged with said second connecting rod.
4. The valve guide removal tool of claim 1, further comprising a fixing plate detachably fitted over the connecting rod, wherein the linear driving unit is disposed between the fixing plate and the support plate.
5. A valve guide removal tool according to claim 4, wherein the fixing plate is screwed with the connecting rod.
6. The valve guide removal tool of claim 1, further comprising a guard plate, wherein the guard plate is sleeved on the connecting rod, one end of the guard plate is used for abutting against the top end of the cylinder cover, the other end of the guard plate abuts against the first end face of the support plate, and the guard plate is of an elastic structure.
7. A valve guide removal tool according to claim 6, wherein a through hole is provided in the protection plate, the connection rod is movably inserted into the through hole, and the diameter of the through hole is larger than that of the valve guide.
8. A valve guide removal tool according to claim 1, wherein the linear drive means comprises a hydraulic cylinder.
9. A valve guide removal tool according to claim 8, wherein the hydraulic cylinder is provided with a through hole arranged axially along the hydraulic cylinder, the through hole extending through the hydraulic cylinder, and the connecting rod is movably inserted through the through hole.
10. A valve guide removal tool according to any one of claims 1 to 9, wherein the lug is of integral construction with the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221116554.4U CN217669151U (en) | 2022-05-10 | 2022-05-10 | Valve guide pipe extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221116554.4U CN217669151U (en) | 2022-05-10 | 2022-05-10 | Valve guide pipe extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217669151U true CN217669151U (en) | 2022-10-28 |
Family
ID=83736692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221116554.4U Active CN217669151U (en) | 2022-05-10 | 2022-05-10 | Valve guide pipe extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217669151U (en) |
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2022
- 2022-05-10 CN CN202221116554.4U patent/CN217669151U/en active Active
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