CN112276504A - Quick dismounting device for valve spring - Google Patents
Quick dismounting device for valve spring Download PDFInfo
- Publication number
- CN112276504A CN112276504A CN202010906903.1A CN202010906903A CN112276504A CN 112276504 A CN112276504 A CN 112276504A CN 202010906903 A CN202010906903 A CN 202010906903A CN 112276504 A CN112276504 A CN 112276504A
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- China
- Prior art keywords
- jackscrew
- spring
- valve
- valve spring
- quick
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a quick dismounting device for a valve spring, which is characterized in that: comprises an in-cylinder inflating device and a supporting device; one end of an in-cylinder inflating device is detachably connected with the spark plug mounting hole, and the other end of the in-cylinder inflating device is connected with compressed air; the strutting arrangement is established and is waited to disassemble valve top, includes: the support is detachably connected with the cylinder cover, a jackscrew is arranged on the support, and one end of the jackscrew is detachably connected with a spring footstock; spring footstock one end can be dismantled with the jackscrew and be connected, the other end can with valve spring upper bracket butt. The invention has small volume and simple and reliable operation, and can realize the quick state maintenance of the valve lock clamp, the upper spring seat, the lower spring seat, the spring and the valve oil seal sample of the whole vehicle and the whole engine.
Description
Technical Field
The invention belongs to the field of automobile testing, and particularly relates to a quick dismounting device for a valve spring.
Background
Along with the automobile technology constantly improves, the engine technology complexity improves day by day, power, oil consumption, emission each side is optimized day by day, new development model often need carry out valve collet, spring seat of honour, spring, valve oil blanket appearance state and overhaul fast in development, mule car carry-on test process, scene such as above-mentioned all demands a money can carry out valve collet, spring seat of honour, spring, valve oil blanket appearance state and overhaul the device fast so that overhaul fast at whole car, engine complete machine not dismantling the cylinder cap.
Chinese patent "engine valve dismouting device", publication number CN204449852U authorizes bulletin day 20150708, discloses an engine valve dismouting device, including clamp plate, locating plate and extrusion screw, the through-hole has all been seted up at the middle part of clamp plate and locating plate, set up a plurality of step holes corresponding with the engine valve on the locating plate, the clamp plate sets up in the locating plate top, and the clamp plate is located between a plurality of step holes, when dismantling the valve, the extrusion screw passes threaded connection in the threaded hole of cylinder head behind the through-hole on clamp plate and the locating plate in proper order to extrude the locating plate with the clamp plate cooperation.
Chinese patent "an engine valve assembly and disassembly tools", publication No. CN209579409U granted bulletin day 20191105 discloses an engine valve assembly and disassembly tools, including the slide bar, be equipped with gear-rack sliding mechanism and its control mechanism on the slide bar, gear-rack sliding mechanism is equipped with the pinion that is connected with control mechanism including the gear box of the rectangle structure of cover on the slide bar, be equipped with in it with the pinion of control mechanism, be equipped with on the slide bar with the rack that the pinion matches be equipped with valve spring compression mechanism on the gear box, control mechanism can realize the removal and the spacing locking of pinion along the rack, and then realizes that the gear box removes thereupon, and when the gear box removed, valve spring compression mechanism can compress the engine valve spring that needs to be torn open and trade.
Chinese patent "a rotary type valve dismouting device", grant notice No. CN104440022B grant notice day 20180814, disclose a rotary type valve dismouting device, include: the device comprises a workbench, an upright post, a front web plate, a rear web plate, a first rotating assembly, a second rotating assembly and a dismounting mechanism, wherein the upright post is fixed on the workbench and is provided with an upper seat and a lower seat; the first rotating assembly comprises a first shaft sleeve and a first rotating shaft, the first shaft sleeve is sleeved on the first rotating shaft, and a bearing is arranged in the first shaft sleeve; the rear web plate is fixed on the first shaft sleeve and rotates around the first rotating shaft; the second rotating assembly comprises a second shaft sleeve, a second rotating shaft, an upper shaft sleeve and a lower shaft sleeve, the second shaft sleeve is sleeved on the second rotating shaft, and a bearing is arranged in the second shaft sleeve; the second shaft sleeve is fixed on the other side of the rear web, the upper shaft sleeve and the lower shaft sleeve are respectively fixed on the front web, the front web rotates around the second rotating shaft, and the dismounting mechanism is fixed on the front web.
According to the scheme, the cylinder cover is required to be detached, and the valve oil seal can be detached and inspected after the engine is disassembled.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a valve spring quick dismounting device which can dismount and inspect a valve oil seal without dismounting a cylinder cover disassembly engine.
In order to achieve the purpose, the invention designs a rapid dismounting device for a valve spring, which is characterized in that: comprises an in-cylinder inflating device and a supporting device; one end of an in-cylinder inflating device is detachably connected with the spark plug mounting hole, and the other end of the in-cylinder inflating device is connected with compressed air; the strutting arrangement is established and is waited to disassemble valve top, includes: the support is detachably connected with the cylinder cover, a jackscrew is arranged on the support, and one end of the jackscrew is detachably connected with a spring footstock; spring footstock one end can be dismantled with the jackscrew and be connected, the other end can with valve spring upper bracket butt.
Preferably, the jackscrew is connected with the bracket through a support rod.
Further preferably, the outer wall of the jackscrew is provided with an external thread, and the support rod is provided with a threaded hole matched with the external thread. In this way, the spring top seat reaches the designated position and keeps a certain early warning force by screwing the jackscrew.
Further preferably, two ends of the support rod are respectively connected with the support in a rotating manner.
Preferably, the two ends of the support rod are fixedly connected through positioning shoulder bolts respectively, and the axis of the jackscrew is coaxial with the axis of the valve.
Preferably, the spring top seat is in a hollow round table shape, one end with a small diameter is connected with the jackscrew, and the other end with a large diameter is abutted to the valve spring upper seat.
Further preferably, the spring top seat is detachably connected with the jackscrew through an elastic clamp spring.
Still further preferably, chamfers are arranged at two ends of the inner wall of the joint of the spring top seat and the jackscrew. Thus, quick mounting and dismounting is facilitated.
Preferably, the bracket comprises a plurality of upright posts, and at least two upright posts are fixedly connected through a connecting rod; the upright post is provided with a coaxial through hole, and a fixing bolt is arranged in the through hole; and the fixing bolt penetrates through the through hole to be connected with the cylinder cover.
Preferably, one end of the cylinder air filling device is provided with a tightening hexagonal, a compressed air quick connector is arranged above the tightening hexagonal, and the other end of the cylinder air filling device is provided with a thread with the same size as the spark plug and is provided with a sealing boss and a sealing washer.
The invention has the beneficial effects that: the invention can perform non-disassembly maintenance on the valve lock clamp, the upper spring seat, the lower spring seat, the spring and the valve oil seal of the whole vehicle and the whole engine.
The invention has small volume and simple and reliable operation, and can realize the quick state maintenance of the valve lock clamp, the upper spring seat, the lower spring seat, the spring and the valve oil seal sample of the whole vehicle and the whole engine.
Drawings
FIG. 1 is a state diagram of the present invention in use
FIG. 2 is a schematic view showing the structure of the cylinder air-filling device of the present invention
FIG. 3 is a schematic view of the structure of the supporting device of the present invention
FIG. 4 is a schematic view of the assembly of the jackscrew and spring mount of the present invention
FIG. 5 is an enlarged view of the point A in FIG. 4
FIG. 6 is a schematic view of the spring mount of the present invention
FIG. 7 is a second state diagram of the present invention
Detailed Description
The technical solutions of the present invention (including the preferred ones) are described in further detail below by way of fig. 1 to 7 and enumerating some alternative embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, shall fall within the scope of protection of the present invention.
As shown in figure 1, the quick valve spring dismounting device comprises an in-cylinder inflating device 1 and a supporting device 2;
one end of the cylinder internal inflating device 1 is detachably connected with the spark plug mounting hole, and the other end of the cylinder internal inflating device is connected with compressed air; preferably, as shown in fig. 2, the cylinder charging device 1 is provided with a tightening hexagon 1.1 at one end, a compressed air quick connector 1.2 above the tightening hexagon 1.1, a thread with the same size as the spark plug at the other end, a sealing boss 1.3 and a sealing washer 1.4.
The support device 2 is arranged above the valve to be disassembled, and the support device 2, as shown in fig. 3 and 4, comprises: the support 2.1 is detachably connected with the cylinder cover, a jackscrew 4 is arranged on the support 2.1, and one end of the jackscrew 4 is detachably connected with a spring footstock 5; and one end of the spring top seat 5 is detachably connected with the jackscrew 4, and the other end of the spring top seat is abutted to the upper seat of the valve spring. The jackscrew 4 is connected with the bracket 2.1 through a support rod 6.
Preferably, the outer wall of the jackscrew 4 is provided with an external thread, and the support rod 6 is provided with a threaded hole matched with the external thread. Thus, the spring top 5 is fixed to the specified position by screwing the jackscrew 4 and then a certain early warning force is kept.
Preferably, two ends of the support rod 6 are respectively and rotatably connected with the bracket 2.1. Thus, the device can adapt to various working conditions.
Preferably, two ends of the support rod 6 are fixedly connected through positioning shoulder bolts respectively, and the axis of the jackscrew 4 is coaxial with the axis of the valve.
As shown in fig. 3, the support 2.1 includes a plurality of columns 2.2, and at least two columns 2.2 are fixedly connected by a connecting rod 2.3; the upright post 2.2 is provided with a coaxial through hole, and a fixing bolt 3 is arranged in the through hole; the fixing bolt 3 penetrates through the through hole to be connected with the cylinder cover.
As shown in fig. 4 to 6, the spring top seat 5 is in a hollow circular truncated cone shape, one end with a small diameter is connected with the jackscrew 4, and the other end with a large diameter is abutted with the valve spring upper seat. The spring top seat 5 is detachably connected with the jackscrew 4 through an elastic clamp spring 7.
Preferably, chamfers 5.1 are arranged at two ends of the inner wall of the joint of the spring top seat 5 and the jackscrew 4. Thus, quick mounting and dismounting is facilitated.
When the device is used, the cylinder spark plug needing to be disassembled and inspected is disassembled, the piston is shaken to the lower dead point, the air charging device 1 in the cylinder is screwed down, and compressed air is introduced. And mounting the supporting device 2 to the position above the valve to be disassembled and inspected, and screwing the fixing bolt 3. Installing the jackscrew 4 and the spring footstock 5, taking down the valve collet from the spring footstock 5 by jacking the jackscrew 4, unscrewing the jackscrew 4 and taking down the spring footstock 5 can overhaul the valve collet 6, the valve spring upper seat 7, the spring lower seat 10, the spring 8 and the valve oil seal 9, as shown in fig. 7. Because the compressed air in the cylinder props against the valve, the valve cannot slide into the cylinder when the valve is normally operated.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (10)
1. The utility model provides a valve spring quick assembly disassembly device which characterized in that: comprises an in-cylinder inflating device and a supporting device; one end of an in-cylinder inflating device is detachably connected with the spark plug mounting hole, and the other end of the in-cylinder inflating device is connected with compressed air; the strutting arrangement is established and is waited to disassemble valve top, includes: the support is detachably connected with the cylinder cover, a jackscrew is arranged on the support, and one end of the jackscrew is detachably connected with a spring footstock; spring footstock one end can be dismantled with the jackscrew and be connected, the other end can with valve spring upper bracket butt.
2. The valve spring quick-release apparatus according to claim 1, characterized in that: the jackscrew passes through the bracing piece and is connected with the support.
3. The valve spring quick-release apparatus according to claim 2, characterized in that: the jackscrew outer wall is equipped with the external screw thread, be equipped with the screw hole with above-mentioned external screw thread adaptation on the bracing piece.
4. The valve spring quick-release apparatus according to claim 2 or 3, characterized in that: and two ends of the supporting rod are respectively and rotatably connected with the bracket.
5. The valve spring quick-release apparatus according to claim 2 or 3, characterized in that: the two ends of the supporting rod are fixedly connected through positioning shoulder bolts respectively, and the axis of the jackscrew is coaxial with the axis of the valve.
6. The valve spring quick-release apparatus according to claim 1, characterized in that: the spring top seat is in a hollow round table shape, one end with a small diameter is connected with the jackscrew, and the other end with a large diameter is abutted against the valve spring upper seat.
7. The valve spring quick-release apparatus according to claim 1 or 6, characterized in that: the spring top seat is detachably connected with the jackscrew through an elastic clamp spring.
8. The valve spring quick-release apparatus according to claim 7, wherein: and chamfers are arranged at two ends of the inner wall of the joint of the spring top seat and the jackscrew.
9. The valve spring quick-release apparatus according to claim 1, characterized in that: the support comprises a plurality of upright posts, and at least two upright posts are fixedly connected through a connecting rod; the upright post is provided with a coaxial through hole, and a fixing bolt is arranged in the through hole; and the fixing bolt penetrates through the through hole to be connected with the cylinder cover.
10. The valve spring quick-release apparatus according to claim 1, characterized in that: and one end of the cylinder air filling device is provided with a screwing hexagonal head, a compressed air quick connector is arranged above the screwing hexagonal head, and the other end of the cylinder air filling device is provided with a thread with the same size as the spark plug and is provided with a sealing boss and a sealing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906903.1A CN112276504A (en) | 2020-08-31 | 2020-08-31 | Quick dismounting device for valve spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010906903.1A CN112276504A (en) | 2020-08-31 | 2020-08-31 | Quick dismounting device for valve spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112276504A true CN112276504A (en) | 2021-01-29 |
Family
ID=74420786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010906903.1A Pending CN112276504A (en) | 2020-08-31 | 2020-08-31 | Quick dismounting device for valve spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112276504A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200194924Y1 (en) * | 1998-05-08 | 2000-09-01 | 전유배 | Disassemble & assemble tool for car cylinder head valve |
| KR200268719Y1 (en) * | 2001-12-26 | 2002-03-16 | 조용희 | Constructing and disjointing a device for valve retainer rock of dohc type and sohc type an engine of combination |
| KR100455749B1 (en) * | 2004-03-13 | 2004-11-06 | 서승삼 | Inhalation and cutout valve overhaul device for engine |
| CN101695812A (en) * | 2009-10-29 | 2010-04-21 | 周伟宏 | Pneumatic valve locking plate dismounting device |
| CN103737300A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Dismounting device of engine valve spring |
| CN104647285A (en) * | 2015-03-10 | 2015-05-27 | 安徽江淮汽车股份有限公司 | Detachment and installation tool for gasket and lock clamp on valve spring of engine |
-
2020
- 2020-08-31 CN CN202010906903.1A patent/CN112276504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200194924Y1 (en) * | 1998-05-08 | 2000-09-01 | 전유배 | Disassemble & assemble tool for car cylinder head valve |
| KR200268719Y1 (en) * | 2001-12-26 | 2002-03-16 | 조용희 | Constructing and disjointing a device for valve retainer rock of dohc type and sohc type an engine of combination |
| KR100455749B1 (en) * | 2004-03-13 | 2004-11-06 | 서승삼 | Inhalation and cutout valve overhaul device for engine |
| CN101695812A (en) * | 2009-10-29 | 2010-04-21 | 周伟宏 | Pneumatic valve locking plate dismounting device |
| CN103737300A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Dismounting device of engine valve spring |
| CN104647285A (en) * | 2015-03-10 | 2015-05-27 | 安徽江淮汽车股份有限公司 | Detachment and installation tool for gasket and lock clamp on valve spring of engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210129 |
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| RJ01 | Rejection of invention patent application after publication |