CN114770424B - Diesel engine cylinder cap valve spring collet installation device - Google Patents
Diesel engine cylinder cap valve spring collet installation device Download PDFInfo
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- CN114770424B CN114770424B CN202210700749.1A CN202210700749A CN114770424B CN 114770424 B CN114770424 B CN 114770424B CN 202210700749 A CN202210700749 A CN 202210700749A CN 114770424 B CN114770424 B CN 114770424B
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- 238000009434 installation Methods 0.000 title claims abstract description 60
- 230000000670 limiting effect Effects 0.000 claims abstract description 63
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 230000005389 magnetism Effects 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- 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
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the technical field of valve collet installation, and discloses a mounting device for a valve spring collet of a cylinder cover of a diesel engine. According to the invention, the valve collet is driven to move downwards by the mounting block and the limiting strip, the mounting block after moving downwards is separated from the fixed column and the limiting plate, so that the third spring drives the valve collet to move towards the outer surface of the valve and be attached to the outer surface of the valve by applying pressure to the mounting block, then the third spring is clamped into the mounting groove, the valve collet is firmly adsorbed in the mounting groove through the valve by utilizing the magnetism of the mounting block, and then the third spring is fixed in the mounting groove through the spring pressing sheet, so that the automatic mounting of the valve collet is completed, the automatic adjustment can be carried out, and the time and labor are saved.
Description
Technical Field
The invention belongs to the technical field of valve locking clamp installation, and particularly relates to a device for installing a valve spring locking clamp of a cylinder cover of a diesel engine.
Background
The valve spring is the automatic re-setting part after opening and shutting to the valve after the installation, guarantee that engine cylinder cap can in time seal, avoid leaking gas, make the valve after the cam suppression can be under valve spring's effect automatic rebound and with the laminating of valve seat circle, accomplish the operation of admitting air and exhausting of four inside strokes of engine cylinder, the valve collet is two mutually independent semicircle loop structures, through the block at the inside of last spring preforming and the mounted position of valve surface, accomplish valve spring's installation, consequently need a diesel engine cylinder cap valve spring collet installation device.
As shown in fig. 1, 3 and 9, showing the common valve assembly at present, the specific structure is that the valve assembly comprises a lower spring pressing sheet 3, a first spring 4, a second spring 5, an upper spring pressing sheet 6, a valve locking clamp 7, a valve 8 and a mounting groove 9, wherein the valve 8 is movably sleeved in the through hole 2, the mounting groove 9 is formed in the top of the outer surface of the valve 8, and the valve locking clamp 7 is two in number and is clamped in the mounting groove 9 through the upper spring pressing sheet 6 and the second spring 5 in an adaptive manner.
At present, a spring pressing sheet is pressed, and then the valve lock clamp is placed into a mounting position, but in the prior art, much attention is paid to compression and fixation of a valve spring, and workers utilize lever tools to compress an inner spring and an outer spring in a valve assembly downwards, so that two independent lock clamps can be clamped and mounted; meanwhile, the problem of unsmooth clamping is easily caused when two mutually independent valve clamps are manually installed and clamped, a certain adjustment action is required during manual installation, and a worker cannot realize synchronous positioning of the valve clamps due to the limitation of an operation space, so that the valve clamps are clamped when the upper spring pressing sheet moves upwards and is installed; in addition, the manual placement and installation of the valve locking clamp can easily cause the displacement of the valve protrusion to exceed a specified value, so that a worker needs to check by using a dial indicator every time, and the subsequent installation work is seriously delayed.
Disclosure of Invention
The invention aims to provide a mounting device for a valve spring lock clamp of a diesel engine cylinder cover, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a mounting device for a valve spring lock clamp of a cylinder cover of a diesel engine comprises a fixing ring arranged on the cylinder cover, the fixing ring is movably sleeved on the outer surface of a lower spring pressing sheet, the top of the fixing ring is fixedly connected with a top block through a support column, the bottom of the top block is fixedly connected with a telescopic rod, the telescopic end of the telescopic rod is fixedly connected with a mounting ring, the left side and the right side of the inner ring surface of the mounting ring are respectively provided with a moving groove, the inner part of each moving groove is movably clamped with a mounting block, the inside of each mounting block is provided with a third spring, the top of each mounting block is provided with a clamping groove, the front side of the inner wall of each clamping groove is provided with a reset groove, the outer surface of each support column is fixedly connected with a fixing column, the fixing column downwards penetrates through the clamping groove and is fixedly connected with a limiting plate, one side of the mounting block, which faces the axial direction of an air valve, is magnetically connected with a valve lock clamp and is fixedly connected with a limiting strip positioned above the valve lock clamp, the limiting plate is matched and clamped in the reset groove.
Preferably, the opposite surfaces of the two mounting blocks are in opposite-attraction magnetic pole distribution, and one side of the mounting block, which faces the axis of the mounting ring, is in fit contact with the outer surface of the valve lock clamp.
Preferably, a placing groove is formed in one side, located inside the moving groove, of the mounting block, the third spring is arranged inside the placing groove, and the mounting block is elastically supported inside the moving groove through the third spring.
Preferably, the reset groove is formed in one side, close to the mounting ring, of the inner wall of the clamping groove.
Preferably, the fixing column is L-shaped, and a long side part of the fixing column penetrates through the clamping groove and the reset groove downwards.
Preferably, the inner diameter value of the mounting ring is smaller than the outer diameter value of the top of the upper spring pressing sheet, the number of the supporting columns is four, the supporting columns are distributed on the top of the fixing ring at equal angles, and the mounting ring is movably sleeved on the outer surface of the supporting columns.
Preferably, the limit strip is positioned right above the valve locking clamp and is in limit contact with the top of the valve locking clamp.
Preferably, the number of No. three springs is four and equally divide into two sets ofly, every group No. three springs all are that the front and back distributes inside corresponding standing groove.
The invention has the following beneficial effects:
1. according to the invention, the valve collet to be installed is magnetically attracted and connected by the installation block and the limiting strip, then the installation block and the limiting strip drive the valve collet to move downwards under the driving of the telescopic rod, the installation block after moving downwards is separated from the contact with the fixed column and the limiting plate, so that the third spring drives the valve collet to move towards the outer surface of the valve and be attached to the outer surface of the valve by applying pressure to the installation block, then the third spring is clamped into the installation groove, the valve collet is firmly adsorbed in the installation groove through the valve by utilizing the magnetism of the installation block, and then the third spring is fixed in the installation groove through the upper spring pressing sheet, so that the automatic installation of the valve collet is completed, and the valve collet can be automatically adjusted, thereby saving time and labor.
2. The invention is provided with the clamping groove and the reset groove, the fixed column and the limit plate are in through clamping connection, the resilience force of the third spring to the mounting blocks and the limiting pressure of the limiting plate in contact with the inner wall of the reset groove are utilized to keep the automatic adjustment of the downward movement and the upward movement reset of the left and the right mounting blocks, when the mounting blocks move downward, the limiting plate is clamped with the reset groove to maintain the axial stability of the mounting block when moving downwards, when the limiting plate is separated from the interior of the reset groove, the mounting block is pushed outwards by the third spring, so that the valve lock clamp is tightly attached to the outer surface of the valve under the pressure of the mounting block, the falling-off condition possibly caused by manual installation is avoided, and then avoid the card phenomenon of pause, utilize the magnetism of installation piece and valve contact to adsorb the valve collet inside the mounting groove, make the inner wall of going up the spring preforming keep synchronous before cup jointing in the valve collet surface.
3. The mounting block is arranged on the outer surface of the valve in a magnetic attraction manner, so that the valve after the valve locking clamp is mounted drives the mounting block to generate friction force on the valve by using the third spring and the friction force generated by the mounting block on the valve magnetic attraction to upwards pull the valve, the valve locking clamp after the valve locking clamp is mounted in a clamping manner can be attached under the relative movement of the valve, and the protruding degree of the valve after the valve is mounted can be effectively reduced.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view in partial cutaway of the front of the overall structure of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at B in accordance with the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4 at C according to the present invention;
FIG. 7 is a schematic view of a back partial cutaway of a spreader bar, a top block, a mounting ring, a mounting block, a spacing strip and a fixing post of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at D in accordance with the present invention;
FIG. 9 is a top partially cut-away schematic view of the mounting ring of the present invention;
FIG. 10 is an exploded view of the valve assembly of the present invention;
FIG. 11 is a partially separated and sectioned schematic view of an installation block, a limiting strip, a clamping groove, a reset groove, a fixing column, a limiting plate and a third spring of the invention;
FIG. 12 is a side perspective cut-away schematic view of the mounting ring of the present invention.
In the figure: 1. a cylinder cover; 2. a through hole; 3. pressing a lower spring; 4. a first spring; 5. a second spring; 6. pressing a spring; 7. a valve collet; 8. an air valve; 9. mounting grooves; 10. a fixing ring; 11. a support column; 12. a top block; 13. a telescopic rod; 14. a mounting ring; 15. mounting blocks; 16. a limiting strip; 17. a card slot; 18. a reset groove; 19. fixing a column; 20. a limiting plate; 21. a placement groove; 22. a third spring; 23. the slot is moved.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 12, an embodiment of the invention provides a mounting device for a valve spring lock clamp of a cylinder cover of a diesel engine, which includes a fixing ring 10 disposed on the cylinder cover 1, the fixing ring 10 is movably sleeved on an outer surface of a lower spring pressing sheet 3, a top block 12 is fixedly connected to a top of the fixing ring 10 through a support pillar 11, a telescopic rod 13 is fixedly connected to a bottom of the top block 12, a telescopic end of the telescopic rod 13 is fixedly connected to a mounting ring 14, moving grooves 23 are formed in left and right sides of an inner ring surface of the mounting ring 14, a mounting block 15 is movably clamped in the moving grooves 23, a third spring 22 is disposed in the mounting block 15, a clamping groove 17 is formed in a top of the mounting block 15, a reset groove 18 is formed in a front side of an inner wall of the clamping groove 17, a fixing column 19 is fixedly connected to an outer surface of the support pillar 11, the fixing column 19 penetrates through the clamping groove 17 downward and is fixedly connected to a limiting plate 20 is fixedly connected to an outer surface, the mounting block 15 is magnetically attracted to one side of the axial direction of the valve 8 and is connected to a valve lock clamp 7 and is located on the fixing block The limiting strip 16 is arranged above the door lock clamp 7, and the limiting plate 20 is matched and clamped in the reset groove 18;
connect through being provided with installation piece 15 and spacing 16 will treat the valve collet 7 magnetism of installation to inhale, then under the drive of telescopic link 13, installation piece 15 and spacing 16 drive valve collet 7 downwards and move down, installation piece 15 and fixed column 19 and limiting plate 20 break away from the contact after moving down, make No. three spring 22 through exerting pressure to installation piece 15, drive valve collet 7 and remove and rather than the laminating to valve 8's surface, then block into the inside of mounting groove 9, utilize the magnetism of installation piece 15 to pass through valve 8 and firmly adsorb valve collet 7 in the inside of mounting groove 9, then fix it in the inside of mounting groove 9 through last spring preforming 6, accomplish the automatic installation of valve collet 7, and can carry out automatic adjustment, time saving and labor saving.
The fixing column 19 and the limit plate 20 are penetrated and clamped in the clamping groove 17 and the reset groove 18, the resilience force of the third spring 22 to the mounting blocks 15 and the limiting pressure of the limiting plate 20 contacting with the inner wall of the reset groove 18 are utilized to keep the automatic adjustment of the downward movement and the upward movement reset of the left and the right mounting blocks 15, and when the downward movement, the limiting plate 20 is clamped with the reset groove 18, so that the axial stability of the mounting block 15 during downward movement is maintained, when the limiting plate 20 is separated from the interior of the reset groove 18, the mounting block 15 is pushed outwards by the third spring 22, so that the valve locking clamp 7 is tightly attached to the outer surface of the valve 8 under the pressure of the mounting block 15, the falling-off condition possibly caused by manual installation is avoided, and then avoid the card phenomenon of pause, utilize the magnetism of installation piece 15 and the contact of valve 8 with valve collet 7 absorption inside mounting groove 9, make the inner wall of going up spring clamp 6 keep synchronous before cup jointing in valve collet 7 surface.
As shown in fig. 2, 3, 4, 5, 6, and 10, in one embodiment, the valve assembly includes a lower spring pressing plate 3, a first spring 4, a second spring 5, an upper spring pressing plate 6, a valve locking clamp 7, a valve 8, and a mounting groove 9, the valve 8 is movably sleeved inside the through hole 2, the mounting groove 9 is formed in the top of the outer surface of the valve 8, the number of the valve locking clamps 7 is two, the two valve locking clamps are adapted to be clamped in the mounting groove 9 through the upper spring pressing plate 6 and the second spring 5, a fixing ring 10 is movably sleeved on the outer surface of the lower spring pressing plate 3, the through hole 2 is formed in the top of the cylinder cover 1, and the valve 8 is inserted into the through hole 2;
the working principle and the beneficial effects of the technical scheme are as follows:
the top at cylinder cap 1 is fixed through the form of pressing to solid fixed ring 10 to can realize the operation of installing successively of a plurality of valve components, the installation effectiveness is high, and installation device small in size moreover, portable, the both ends of a spring 4, No. two springs 5 are equallyd divide do not with the spacing contact of lower spring preforming 3 and upper spring preforming 6.
As shown in fig. 3, 5, 7, 8 and 9, in one embodiment, the opposite surfaces of the two mounting blocks 15 are distributed with opposite-attracting magnetic poles, and one side of the mounting block 15 facing the axis of the mounting ring 14 is in fit contact with the outer surface of the valve lock clamp 7;
the working principle and the beneficial effects of the technical scheme are as follows:
two installation piece 15 are respectively inhaled magnetically and are connected valve collet 7, break away from fixed column 19 and limiting plate 20's joint spacing back at installation piece 15, and No. three spring 22 can exert pressure to installation piece 15 on the one hand to press valve collet 7 to the surface of valve 8, and two installation pieces 15 that are opposite in nature and inhale mutually also can interact, thereby make valve collet 7 more steadily move down after contacting the surface of valve 8.
Through being provided with installation piece 15 magnetism and inhale the surface of connecting at valve 8, make the valve 8 after accomplishing the installation of valve collet 7 utilize No. three spring 22 to drive the frictional force of installation piece 15 to valve 8 production and the frictional force that the installation piece 15 produced to valve 8 magnetism is inhaled with valve 8 "pulls out" upwards, makes the valve collet 7 after accomplishing the block installation can laminate more under valve 8's relative movement to can effectively reduce the protruding degree of valve 8 after the installation.
As shown in fig. 7 and 9, in one embodiment, a placing groove 21 is opened on one side of the mounting block 15 located inside the moving groove 23, a third spring 22 is arranged inside the placing groove 21, and the mounting block 15 is elastically supported inside the moving groove 23 by the third spring 22;
the working principle and the beneficial effects of the technical scheme are as follows:
the third spring 22 is arranged inside the placing groove 21, when the fixing column 19 and the limiting plate 20 are clamped inside the mounting block 15, the stressed third spring 22 is compressed, so that the mounting block 15 is pressed, the mounting block 15 keeps the trend of moving towards the valve 8, and when the mounting block 15 moves downwards to be separated from the clamping connection of the fixing column 19 and the limiting plate 20, the third spring 22 can push the mounting block 15 to realize the mounting operation.
As shown in fig. 3, 4, 5, 6 and 9, in one embodiment, the reset groove 18 is opened on one side of the inner wall of the card slot 17 close to the mounting ring 14, and the bottom of the reset groove 18 presents a circular arc transition design;
the working principle and the beneficial effects of the technical scheme are as follows:
when installation piece 15 moves down to the surface that breaks away from fixed column 19, limiting plate 20 is just being close to one side of collar 14 to the groove 18 inner wall that resets in vertical direction, the groove 18 that resets supplies limiting plate 20 to pass through from top to bottom, under the initial condition, limiting plate 20 joint is inside the groove 18 that resets completely, only accomplish the installation back at installation piece 15, installation piece 15 has moved the certain distance to the direction of valve 8 for limiting plate 20, make the bottom of limiting plate 20 and the bottom contact of the groove 18 that resets, then through contacting with limiting plate 20, with the spacing removal of installation piece 15 to the primary importance, accomplish automatic re-setting.
As shown in fig. 3, 4, 5, and 9, in one embodiment, the fixing post 19 is rotated by one hundred eighty degrees, and a long side portion of the fixing post 19 penetrates the card slot 17 and the reset slot 18 downward;
the working principle and the beneficial effects of the technical scheme are as follows:
the fixed column 19 is fixedly connected to the outer surface of the supporting column 11, the other end of the fixed column penetrates through the clamping groove 17 downwards, and the mounting block 15 is clamped by the limiting plate 20 in a matching mode and cannot move in the horizontal direction.
As shown in fig. 3 and 4, in an embodiment, the inner diameter of the mounting ring 14 is smaller than the outer diameter of the top of the upper spring pressing sheet 6, the number of the supporting columns 11 is four, and the supporting columns are distributed on the top of the fixing ring 10 at equal angles, and the mounting ring 14 is movably sleeved on the outer surface of the supporting columns 11;
the working principle and the beneficial effects of the technical scheme are as follows:
the mounting ring 14 moves downwards under the action of the telescopic rod 13, so that the bottom of the mounting ring presses the upper spring pressing sheet 6 downwards, the mounting groove 9 formed in the outer surface of the valve 8 is exposed, and the valve locking clamp 7 can be automatically mounted under the action of the mounting block 15.
As shown in fig. 1, 2, 3, 4, 5, 6 and 9, in one embodiment, the valve latching clip 7 is magnetically connected to the inner side surface of the mounting block 15, and the position limiting strip 16 is located right above the valve latching clip 7 and in position limiting contact with the top of the valve latching clip 7;
the working principle and the beneficial effects of the technical scheme are as follows: the limiting strip 16 is positioned above the valve locking clamp 7, and when the mounting block 15 drives the valve locking clamp 7 to move downwards, the stable motion state of the valve locking clamp 7 can be kept through the limiting effect of the limiting strip 16.
As shown in fig. 6 and 8, in one embodiment, the number of the third springs 22 is four and is divided into two groups, and each group of the third springs 22 is distributed in the corresponding placing slot 21 in a front-back manner;
the working principle and the beneficial effects of the technical scheme are as follows:
the symmetrical distribution of the third spring 22 can enable the stress of the mounting block 15 to be more uniform, and the stability of the mounting block 15 can be improved in the process of pressing the mounting block 15.
The working principle and the using process are as follows:
when the device works, a second spring 5 and a first spring 4 are sequentially sleeved on the outer surface of an air valve 8, then an upper spring pressing sheet 6 is placed at the top ends of the first spring 4 and the second spring 5, then a fixing ring 10 is sleeved on the outer surface of an air valve assembly, and two air valve locking clamps 7 are sequentially connected to the inner side surfaces of two mounting blocks 15 in a magnetic absorption manner;
then, the top block 12 is pressed, the telescopic rod 13 is started and drives the mounting ring 14 and the mounting block 15 to move downwards, so that the upper spring pressing sheet 6 is pressed downwards, the first spring 4 and the second spring 5 are continuously compressed, the valve locking clamp 7 is driven to move downwards along with the first spring, the mounting block 15 moves downwards along the outer surfaces of the fixing column 19 and the limiting plate 20, when the fixing column 19 and the limiting plate 20 leave the clamping groove 17 and the reset groove 18, the mounting block 15 losing the limiting effect of the limiting plate 20 drives the valve locking clamp 7 to move towards the axial direction of the valve 8 under the effect of the third spring 22, the valve locking clamp 7 is made to be in contact with the valve 8, the mounting block 15 drives the valve locking clamp 7 to move downwards through the limiting strip 16 until the top of the valve locking clamp 7 moves to a position flush with the top of the inner wall of the mounting groove 9, and then is clamped into the inside of the mounting groove 9 under the pushing of the third spring 22;
then, the telescopic rod 13 is controlled to drive the mounting ring 14 and the mounting block 15 to move upwards, the magnetic mounting block 15 and the limiting strip 16 are in contact with the outer surface of the valve 8, so that the valve lock clamp 7 clamped in the mounting groove 9 is firmly adsorbed in the mounting groove 9 until the inner wall of the upper spring pressing sheet 6 is in contact with the valve lock clamp 7, and the upper spring pressing sheet 6 is tightly fixed in the mounting groove 9 in a sleeved mode through tightly sleeving the valve lock clamp 7, so that the mounting of the valve lock clamp 7 is completed;
finally, the mounting block 15 and the limiting strip 16 after the mounting operation are completed move upwards, at the moment, one sides of the clamping grooves 17 and the resetting grooves 18, which are close to the inner annular surface of the mounting ring 14, are opposite to the front sides of the fixing columns 19 and the limiting plates 20, along with the contact of the limiting plates 20 and the inner walls of the resetting grooves 18, the mounting block 15 gradually moves towards the axial direction of the valve 8 in the moving-up process through the limiting of the fixing columns 19 and the limiting plates 20 until the limiting plates 20 completely penetrate through and are clamped in the resetting grooves 18, the third spring 22 resets, and the mounting block 15 resets.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a diesel engine cylinder cap valve spring collet installation device, is including setting up solid fixed ring (10) on cylinder cap (1), its characterized in that: the fixing ring (10) is movably sleeved on the outer surface of the lower spring pressing sheet (3), the top of the fixing ring (10) is fixedly connected with a top block (12) through a supporting column (11), the bottom of the top block (12) is fixedly connected with a telescopic rod (13), the telescopic end of the telescopic rod (13) is fixedly connected with a mounting ring (14), the left side and the right side of the inner ring surface of the mounting ring (14) are respectively provided with a moving groove (23), the mounting block (15) is movably clamped in the moving groove (23), a third spring (22) is arranged in the mounting block (15), the top of the mounting block (15) is provided with a clamping groove (17), the front side of the inner wall of the clamping groove (17) is provided with a reset groove (18), the outer surface of the supporting column (11) is fixedly connected with a fixing column (19), the fixing column (19) downwards penetrates through the clamping groove (17) and the outer surface is fixedly connected with a limiting plate (20), one side, facing the axial direction of the air valve (8), of the mounting block (15) is magnetically connected with an air valve lock clamp (7) and is fixedly connected with a limiting strip (16) positioned above the air valve lock clamp (7), and the limiting plate (20) is matched and clamped in the reset groove (18); the opposite surfaces of the two mounting blocks (15) are in opposite-attraction magnetic pole distribution, and one side of each mounting block (15) facing the axis of the mounting ring (14) is in fit contact with the outer surface of the valve locking clamp (7); a placing groove (21) is formed in one side, located inside the moving groove (23), of the mounting block (15), the third spring (22) is arranged inside the placing groove (21), and the mounting block (15) is elastically supported inside the moving groove (23) through the third spring (22);
the valve lock clamp (7) to be installed is connected by magnetic attraction through the installation block (15) and the limit strip (16), then the mounting block (15) and the limiting strip (16) drive the valve locking clamp (7) to move downwards under the drive of the telescopic rod (13), the mounting block (15) after moving downwards is separated from the contact with the fixing column (19) and the limiting plate (20), so that the third spring (22) drives the valve locking clamp (7) to move towards the outer surface of the valve (8) and be attached to the outer surface of the valve (8) by applying pressure to the mounting block (15), then the valve locking clamp is clamped into the mounting groove (9), the valve locking clamp (7) is firmly adsorbed in the mounting groove (9) through the valve (8) by utilizing the magnetism of the mounting block (15), then the valve locking clamp (7) is fixed inside the mounting groove (9) through the upper spring pressing sheet (6) to finish the automatic mounting of the valve locking clamp and can be automatically adjusted;
the valve locking clamp is characterized in that a clamping groove (17) and a reset groove (18) are formed, a fixing column (19) and a limiting plate (20) are connected in a penetrating and clamping mode, the resilience force of a third spring (22) to an installation block (15) and the limiting pressure of the limiting plate (20) in contact with the inner wall of the reset groove (18) are utilized to keep the automatic adjustment of the downward movement and the upward movement resetting of the left installation block (15) and the right installation block (15), when the installation blocks move downwards, the limiting plate (20) is connected with the reset groove (18) in a clamping mode, the axial stability of the installation block (15) in the downward movement is maintained, when the limiting plate (20) is separated from the interior of the reset groove (18), the installation block (15) is pushed outwards through the third spring (22), so that the valve locking clamp (7) is tightly attached to the outer surface of a valve (8) under the pressure of the installation block (15), and the valve locking clamp (7) is adsorbed in the installation groove (9) through the contact of the magnetism of the installation block (15) and the valve (8), the inner wall of the upper spring pressing sheet (6) keeps synchronous before being sleeved on the outer surface of the valve lock clamp (7).
2. The diesel engine cylinder head valve spring collet mounting device of claim 1, characterized in that: the reset groove (18) is formed in one side, close to the mounting ring (14), of the inner wall of the clamping groove (17).
3. The diesel engine cylinder head valve spring collet mounting device of claim 1, characterized in that: the fixing column (19) is L-shaped, and the long edge part of the fixing column (19) downwards penetrates through the clamping groove (17) and the resetting groove (18).
4. The diesel engine cylinder head valve spring collet mounting device of claim 1, characterized in that: the inner diameter value of the mounting ring (14) is smaller than the outer diameter value of the top of the upper spring pressing sheet (6), the number of the supporting columns (11) is four, the supporting columns are distributed on the top of the fixing ring (10) at equal angles, and the mounting ring (14) is movably sleeved on the outer surface of the supporting columns (11).
5. The diesel engine cylinder head valve spring collet mounting device of claim 1, characterized in that: the limiting strip (16) is located right above the valve locking clamp (7) and is in limiting contact with the top of the valve locking clamp (7).
6. The diesel engine cylinder cap valve spring collet installation device of claim 1, characterized in that: the number of No. three springs (22) is four and equally divide into two sets ofly, every group No. three springs (22) all are the front and back and distribute inside corresponding standing groove (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210700749.1A CN114770424B (en) | 2022-06-21 | 2022-06-21 | Diesel engine cylinder cap valve spring collet installation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210700749.1A CN114770424B (en) | 2022-06-21 | 2022-06-21 | Diesel engine cylinder cap valve spring collet installation device |
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| CN114770424A CN114770424A (en) | 2022-07-22 |
| CN114770424B true CN114770424B (en) | 2022-09-30 |
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| CN209207389U (en) * | 2018-12-27 | 2019-08-06 | 攀枝花学院 | Engine valve lock clamp mounting clamp |
| CN213999325U (en) * | 2020-11-25 | 2021-08-20 | 潍柴动力股份有限公司 | Engine valve collet dismounting device |
| CN214519905U (en) * | 2021-01-19 | 2021-10-29 | 潍柴动力股份有限公司 | Mounting tool for valve collet |
| CN113927542A (en) * | 2021-12-16 | 2022-01-14 | 潍坊沃泰动力有限公司 | Diesel engine cylinder cap valve spring collet installation device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440036B (en) * | 2014-11-25 | 2017-01-18 | 广州市嘉特斯机电制造有限公司 | Valve collet component assembly equipment |
| CN111645010A (en) * | 2020-06-24 | 2020-09-11 | 玉柴联合动力股份有限公司 | Engine valve lock clamp dismounting tool and using method thereof |
| CN112127812A (en) * | 2020-11-03 | 2020-12-25 | 黄山华能石化机械有限公司 | Hydraulic turnover side swing elevator |
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2022
- 2022-06-21 CN CN202210700749.1A patent/CN114770424B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041827A (en) * | 2016-06-29 | 2016-10-26 | 中国北方发动机研究所(天津) | Demounting and mounting device of valve lock clamp |
| CN209207389U (en) * | 2018-12-27 | 2019-08-06 | 攀枝花学院 | Engine valve lock clamp mounting clamp |
| CN213999325U (en) * | 2020-11-25 | 2021-08-20 | 潍柴动力股份有限公司 | Engine valve collet dismounting device |
| CN214519905U (en) * | 2021-01-19 | 2021-10-29 | 潍柴动力股份有限公司 | Mounting tool for valve collet |
| CN113927542A (en) * | 2021-12-16 | 2022-01-14 | 潍坊沃泰动力有限公司 | Diesel engine cylinder cap valve spring collet installation device |
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| CN114770424A (en) | 2022-07-22 |
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Denomination of invention: Installation device for diesel engine cylinder head valve spring locking clip Effective date of registration: 20231113 Granted publication date: 20220930 Pledgee: China Everbright Bank Limited by Share Ltd. Yantai branch Pledgor: LAIZHOU YATONG HEAVY EQUIPMENT Co.,Ltd. Registration number: Y2023980065391 |
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