KR200268719Y1 - Constructing and disjointing a device for valve retainer rock of dohc type and sohc type an engine of combination - Google Patents

Abstract

The valve retainer lock detachable device for the DOH and SOH type engine combined engine of the present invention is to form a height adjusting screw 113 and a fastening screw 114 on the upper and lower sides of the height adjusting rod 110 formed by the hollow shaft, respectively. The height adjustment screw 113 is coupled to the flange 115 which can be vertically moved by screwing, and then through the support rod 120 formed by fixing plate 121 to correspond to the top and bottom on the upper fastening screw 114 exposed Support means 100 coupled to the fixed block 130 having a fixing screw 132 in the upper and lower fixing plate 121 formed on the support rod 120 to be moved to the left and right around the support means 100 Positioning means 400 and horizontally installed between the guide rail 410 correspondingly between the rotational block 214 coupled to the rotatable between the rail of the position adjusting means 400 and screwed to the center thereof Length can be moved up and down The angle adjusting means 200 penetrating the cutting member 210 and the guide member 310 having a guide space 311 formed in the center to be mounted at the bottom of the length adjusting member 210 of the angle adjusting means 200. It is provided with a spring 330 to the lower portion of the guide space 311 around the partition 312, which separates the upper and lower, to receive the retainer lock (7) protruding by pressing the valve retainer (6) Combining the detachable means 300 having a detachable block 320, which can be installed in the DOHC engine 1 and the SOHC engine 2 has the effect that it is possible to install the retainer lock detachable device.

Description

CONDUCTING AND DISJOINTING A DEVICE FOR VALVE RETAINER ROCK OF DOHC TYPE AND SOHC TYPE AN ENGINE OF COMBINATION}

The present invention relates to a valve retainer lock detachable device for both DOH and SOH type engines. Removable valve retainer lock for both DOH and SOH type engines for easy and convenient installation and disassembly of valves mounted on the cylinder block while enabling the installation of both DOHC and SOHC type engines classified according to the type Relates to a device.

In general, gasoline engine valves are installed in the combustion chamber in the cylinder head and are divided into DOHC and SOHC engines according to the type of valve opening and closing mechanism.

Here, the SOHC (Single Over Head Camshaft) engine refers to an engine having one camshaft and one intake valve and one exhaust valve installed in each cylinder, and two DOHC (Double Over Head Camshaft) engines. The engine has a cam shaft and four intake / exhaust valves are installed in each cylinder.

The SOHC and DOHC engines are characterized by different combustion chamber shapes depending on the number of different camshafts and valves.

In this gasoline engine, when the valve is damaged or the valve spring is replaced due to the deterioration of the valve spring, the valve retainer pressurizing the valve spring is disassembled from the valve stem to disassemble the valve spring. By disassembling the semi-circular retainer locks fixed to the valve, the various components mounted on the valve are finally disassembled.

The conventional disassembly method of the valve is to press the valve retainer using a compressor or other equipment to press the valve spring to expose the retainer lock coupled to the fixing groove of the valve stem in a semicircular shape. The exposed liner lock is disassembled from the fixing groove using pinsen or the like.

Such a device for disassembling and assembling such a retainer lock has been proposed in the related art, but its use has been difficult, and it has been a major disadvantage that it cannot be applied to a DOHC or SOHC type engine.

Therefore, the main purpose of the present invention is to install the height adjustment rod into the insertion hole of the spark plug in the DOHC engine so that it can be installed in both the DOHC and SOHC engines. A retainer lock detachable device for both DOHC and SOHC engines, which can be installed in a DOHC engine or SOHC engine by fastening the retainer lock detachable device with a fixed screw to a screw hole formed in the cylinder block to be fixed. In providing.

In addition, another object of the present invention is to install a magnet on the guide member of the detachable means so that the retainer lock can be easily and easily disassembled and assembled from the valve stem. It is intended to be detachable.

In addition, another object of the present invention is to be able to adjust the position adjustment and angle conversion of the retainer lock detachable device more conveniently and precisely so that it can be applied to the valve position of various directions mounted on the cylinder block.

1 is a perspective view showing a valve retainer lock detachable device of the present invention.

Figure 2 is a reference diagram showing a state in which the valve retainer lock detachable device of the present invention mounted on the DOHC engine.

Figure 3 is a reference diagram showing a state in which the valve retainer lock detachable device of the present invention mounted on the SOHC engine.

Figure 4a, b is a state diagram showing the decomposition of the retainer lock using the valve retainer lock detachable device of the present invention

Explanation of symbols on the main parts of the drawings

1: DOHC engine 1a: Insertion hole

1c: settling groove 2: SOHC engine

2a: screw hole 3: cylinder block

4: Valve 4a: Valve stem

4c: fixing groove 5: valve spring

6: valve retainer 7: retainer lock

10: retainer lock detachable device 100: support means

110: height adjustment rod 111: air input and output nozzle

112: air input and output hole 113: height adjustment screw

114: tightening screw 115: flange

120: support rod 121: fixed plate

122: seating end 130: fixed block

131: guide groove 132: fixing screw

200: angle adjusting means 210: length adjusting member

211: Wrench block 212: Length adjusting screw

213: pressure flange 214: rotation block

300: detachable means 310: guide member

311: guide space 312: bulkhead

313: magnet 320: removable block

311: guide 330: spring

400: position adjusting means 410: guide rail

420: coupling member

In order to achieve the above object, the valve retainer lock detachable device for DOHC type and SOHC type engine of the present invention is installed in the cylinder block of the engine and retains the valve for the engine for disassembling and assembling the retainer lock for fixing the valve spring to the valve stem. In the lock detachable device, a height adjusting screw and a fastening screw are formed on the upper side and the lower side of the height adjusting rod formed by the hollow shaft. Between the support means detachably coupled to the fixing rod having a fixing screw to the fastening screw of the lower portion protruding through the support bar formed so as to be, and between the upper and lower fixing plate formed on the support bar to move left and right around the support means A position adjusting means for horizontally installing the rails correspondingly to the rails of the position adjusting means; An angle adjusting means for coupling the rotation block so as to be rotatable between the through and the length adjusting member movable up and down by screwing into the center, and a guide space in the center to be mounted to the bottom of the length adjusting member of the angle adjusting means Technical configuration comprising a detachable means provided with a detachable block provided with a guide member, which is connected to a spring in the lower guide space part and centers on a partition wall separating the upper and lower parts to receive a retainer lock protruding by pressing the retainer. Basic features of the award.

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention configured as described above are as follows.

1 is a perspective view showing the valve retainer lock detachment device of the present invention, Figure 2 is a reference diagram showing a state in which the valve retainer lock detachment device of the present invention mounted on the DOHC engine, Figure 3 is a valve retainer of the present invention 4A and 2B are reference diagrams showing the state in which the lock detachment device is mounted on the SOHC engine, and FIGS. 4A and 4B show disassembly of the retainer lock using the valve retainer lock detachment device of the present invention.

As shown in Figures 1-4a, b. DOHC-type and SOHC-type valve retainer lock detachable device according to the present invention is to form a height adjusting screw 113 and a fastening screw 114 on the upper side and the lower side of the height adjustment rod 110 formed of a hollow shaft, but the height The adjusting screw 113 is coupled to the flange 115 which can be vertically moved by screwing, and then the fixing plate 121 penetrates through the supporting rod 120 formed to correspond to the upper and lower sides to the upper fastening screw 114 exposed. The support means 100 coupled to the fixing plate 121 having the fixing screw 132 and the upper and lower fixing plates 121 formed on the supporting rods 120 so as to be movable left and right about the supporting means 100. Coupling the rotation block 214 to be rotatable between the position adjusting means 400 and the guide rail 410 of the position adjusting means 400 and the guide rail 410 correspondingly horizontally installed therebetween Length adjusting member 210 that can be moved up and down by screwing in It is provided with an angle adjusting means 200 and a guide member 310 having a guide space 311 formed in the center to be mounted on the lower end of the length adjusting member 210 of the angle adjusting means 200. Removable block which is connected to the lower guide space 311 by the spring 330 around the partition 312 to be separated to the bottom to receive the retainer lock 7 protruding by pressing the valve retainer 6 ( It consists of a detachable means 300 having a 320.

Here, the support means 100 is coupled to the air input and output nozzles 111 to the top of the height adjustment rod 110 to be connected to the hose (unsigned) to provide air from the outside.

In addition, the fixing plate 121 located in the lower portion of the support rod 120 is formed integrally with the support rod 120 and the fixing plate 121 of the upper to be fastened by screwing the support means 100 to the position control means 400 When combining the height adjusting rod 110 through the upper fixing plate 121 to be coupled to the height adjusting rod 110 and then placed the height adjusting rod 110 between the guide rails 410 to be installed at a predetermined interval corresponding to the height adjusting rod 110. After coupling the support rod 120 to the lower portion of the upper fastening plate 121 is fastened to the upper portion of the support rod 120 penetrated by the guide rail 410 guide rail 410 between the upper and lower fixing plate 121 While being pressed is coupled to the support means (100).

In addition, the lower end of the support rod 120 has a seating stage 122 having different diameters in multiple stages, and a seating groove 1c having a different size according to the type of vehicle of the different model using the DOHC engine 1. It can be applied to the retainer lock detachable device 10 can be supported more tightly in the cylinder block (3).

The guide rail 410 of the position adjusting means 400 is positioned to correspond to the interval substantially the same as the diameter of the outer periphery of the support rod 120 of the support means 100 and then coupled to the coupling member 420 on one side and the other side .

In addition, the angle adjusting means 200 is bonded to the wrench block 211 formed with a wrench hole on the upper end of the length adjusting member 210 and the pressing flange for pressing the guide member 310 of the detachable means 300 to the lower side ( 213).

The guide member 310 of the detachable means 300 has a cylindrical shape and retains only the support formed to correspond to the outer circumference so that the guide space 301 is completely open to the outside and is retained by the detachable block 320. 7) It is easy to check the disassembly or assembly state with the naked eye.

In addition, the annular magnet 313 is installed on the partition 312 in the guide member 310 of the detachable means 300 so that the retainer lock 7 disassembled and detached from the valve stem 4a can be attached. The retainer lock (7) can be easily picked up.

Furthermore, the detachable block 320 allows the retainer lock 7 to be received through the center guide hole 321, but partially removes the detachable block 320 at the outer circumference so as to be retained from the outside. Check 7) visually to make it easier to acquire.

Referring to the operation of the present invention is as follows.

First, as shown in FIG. 2, the mounting method of the retainer lock attachment and detachment apparatus 10 in which the mounting method varies depending on the DOHC engine 1 and the SOHC engine 2 will be described.

First, when the retainer lock detachable device 10 is mounted on the DOHC engine 1, the fixed block 130 screwed to the fastening screw 114 of the height adjusting rod 110 is removed, and then the height adjusting screw ( Turn the flange 115, which is screwed to 113, to move upward.

The height adjustment rod 110 is exposed at the lower end of the support rod 120 as long as the length of the flange 115 moved to the upper portion, the spark plug is applied to the cylinder block (3) of the engine so that the height adjustment rod 110 is exposed Inserted into the insertion hole (1a) to be mounted and fastened to the female screw formed in the lower portion of the insertion hole (1a) by the fastening screw 114.

At this time, the mounting end 122 of the support rod 120 is to be seated in the mounting groove (1c) processed by the count boring on the upper end of the insertion hole (1a) to improve the holding force of the retainer detachable device.

Next, as shown in Figure 3, when mounting the retainer lock (7) detachment device in the SOHC engine (2) by coupling the fixed block 130 to the fastening screw 114 of the height adjustment rod (110) The lower end of the support rod 120 to be in close contact with the upper end to the fixed block 130, and then rotate the flange 115 coupled to the height adjustment rod 110 to the lower fixed plate located on the upper portion of the support rod 120 ( By pressing 121 to the height adjustment rod 110 to be firmly coupled to the position adjusting means 400 and the support rod 120 for guiding it.

Thereafter, the fixing screw 132 attached to the guide groove 131 of the fixing block 130 is fastened to the screw hole 2a for fixing the cam shaft positioned at the center of the cylinder block 3 of the SOHC engine 2. The retainer lock detachment device 10 is firmly mounted on the cylinder block 3 of the SOHC engine 2.

In this manner, the retainer lock detachable device 10 mounted with the cylinder block 3 of the DOHC engine 1 and the SOHC engine 2 is coupled to the valve stem 4a as shown in FIGS. 4A and 4B. The method of releasing and assembling the retainer lock 7 is as follows.

First, the guide rail 410 coupled to the support means 100 is moved to position the detachable means 300 on an upper portion of the valve retainer 6 coupled to the valve 4.

Here, the fixing plate 121 of the upper and lower sides of the upper fixing plate 121 and screwed to the support rod 120 and the height adjusting rod 110, respectively, when the guide rail 410 is moved and the flange 115 for pressing them Loosen the coupling force so that the guide rail 410 can be moved more easily, and after the movement by adjusting the upper fixing plate 121 and the flange 115 again to adjust the position means 400 in the support means 100 Prevent it from moving.

Thereafter, the attachment / detachment means 300 is attached to the pressure flange 213 of the angle adjusting member 210 through the upper guide space 311 of the guide member 310, and then, the cylinder block 3 is biased at a predetermined angle. The angle adjusting member 210 and the detachable means 300 are angle-changed at the same angle as the center of the valve 4.

When the detachable means 300 coincides with the angle of the valve 4 on the extension line, the length adjusting member 210 is rotated downward by using a wrench on the wrench block 211 joined to the upper portion of the length adjusting screw 212. Move it. After the detachable means 300 moved by the length adjusting member 210 is in close contact with the valve retainer 6, the air supplied from the outside through the hose is supplied to the pneumatic input / output nozzle 111 to supply the pneumatic input / output hole 112. The valve retainer 6 of the intake valve 4 and the exhaust valve 4 installed in the cylinder block 3 to be in close contact with the valve spring (5).

Subsequently, when the guide member 310 continuously presses the valve retainer 6 through the length adjusting member 210, the upper portion of the valve stem 4a is inserted into the hole of the detachable block 320, and at the same time, the guide member 310. Pressurizes the valve spring 5 downward using the valve retainer 6.

As described above, when the guide member 310 continuously pressurizes the valve retainer 6 to compress the valve spring 330 to expose the retainer lock 7 from the valve retainer 6, the detachable means 300 is a guide hole therein. Unlike the guide member 310, the retainer lock 7 is inserted into the valve stem 4a in a state in which the retainer lock 7 is inserted in the 321.

At this time, the spring 330 coupled to the detachable block 320 is compressed by the partition 312 in which the magnet 313 is installed in the guide space 311 by the guide member 310 moved downward.

When the retainer lock 7 and the partition 312 of the guide member 310 come into close contact with each other through the guide hole 321 of the detachable block 320, the retainer lock 7 is attached by the magnetism of the magnet 313. Thereafter, the pressure applied to the valve spring 5 is released using the length adjusting member 210 so that the valve spring 5 and the valve retainer 6 return to their original states, and only the retainer lock 7 is applied to the magnet 313. The retainer lock 7 can be easily obtained by being attached to the magnet 313.

On the contrary, when assembling the retainer lock 7 to the valve stem 4a, the pair of retainer locks 7 divided into semicircular shapes are attached to the lower surface of the magnet 313, and then the length adjusting means 210 is attached. By using the guide member 310 to press the valve retainer (6). The valve retainer 6 moves downward while compressing the valve spring 5, and at the same time, the detachable block 320 moves toward the retainer lock 7 attached to the magnet 313 to reach the center guide hole 321. After retaining, the retainer lock 7 is placed in the fixing groove 4c of the valve stem 4a.

Subsequently, the semi-circular retainer lock 7 is lightly pushed into the fixing groove 4c of the valve stem 4a through a portion of the detachable block 320 of the outer circumference, and the retainer lock 7 is mounted. do.

In addition, the retainer lock detachable device 10 operating as described above may rotate the position adjusting means 400 in the support means 100 by 360 ° so that the cylinder blocks of the DOHC engine 1 and the SOHC engine 2 ( It is possible to disassemble and assemble a plurality of valves (4) in a single mounting of the two or four valves (4) mounted in 3).

As described above, DOHC type and SOHC engine combined valve retainer lock detachable device of the present invention is the height adjustment screw 113 and the fastening screw 114 on the upper side and the lower side of the height adjustment rod 110 formed by the hollow shaft, respectively. The height adjustment screw 113 is coupled to the flange 115, which can be vertically moved by screwing, and then the fixing plate 121 penetrates through the support rod 120 formed to correspond to the upper and lower sides of the upper part. Support means 100 coupled to the fixing block 130 having a fixing screw 132 to the screw 114, and the upper and lower sides formed on the support rod 120 to move left and right about the support means 100 Coupling the rotation block 214 so as to be rotatable between the position adjusting means 400, the guide rail 410 horizontally installed between the fixed plate 121 and the rail of the position adjusting means 400 Can be moved up and down by screwing to the center An angle adjusting means 200 that penetrates the length adjusting member 210 and a guide member 310 having a guide space 311 formed at the center thereof so as to be mounted at a lower end of the length adjusting member 210 of the angle adjusting means 200. It is provided with a retainer lock (7) protruding by pressing the valve retainer (6) is connected to the spring 330 to the lower guide space (311) centered around the partition 312 to separate it into the upper, lower Retainer lock detached from the valve 4 while being configured as a detachable means 300 having a detachable block 320 that can be lifted to enable a dual-installation on the DOHC engine 1 and the SOHC engine 2. It is possible to easily disassemble and assemble the valve (4) mounted on the cylinder block (3) to facilitate the collection and mounting of 7).

Claims (2)

In the retainer lock detachable device for an engine valve installed in the cylinder block (3) of the engine to disassemble and assemble the retainer lock (7) for fixing the valve spring (5) to the valve stem (4a), Flange 115 which is vertically movable by screw coupling to the height adjustment screw 113 and the fastening screw 114 are formed on the upper and lower sides of the height adjustment rod 110 formed by the hollow shaft, respectively The support means for coupling the fixing block 130 having a fixing screw 132 to the exposed fastening screw 114 of the lower portion through the fixing plate 121 is formed to correspond to the upper and lower on the upper side of the coupling plate 121 100, Position adjusting means 400 and horizontally installed corresponding to the guide rail 410 between the upper and lower fixed plate 121 formed on the support rod 120 to be movable to the left, right around the support means 100, The angle adjusting means 200 through the length adjusting member 210 coupled to the rotation block 214 to be rotatable between the rail of the position adjusting means 400 and moved up and down by screwing to the center thereof; With a guide member 310 having a guide space 311 formed in the center to be mounted at the bottom of the length adjusting member 210 of the angle adjusting means 200, with a partition 312 separating the upper and lower parts. Detachable means 300 having a detachable block 320 connected to the lower guide space 311 by a spring 330 to receive the retainer lock 7 protruding by pressing the valve retainer 6. A valve retainer lock attachment / detachment device for a combined engine of DIOH and SOH type engines. The method of claim 1, The fixing block 130 of the support means 100 is formed by symmetrically forming the guide groove 131 from both side ends to the fixing screw 132 to fix the camshaft of the cylinder block of the SOHC engine 2 cylinder. To be coupled to the screw hole (2a) and the lower end of the support rod 120 to form a seating end 122 having a different diameter in multiple stages, partition 312 in the guide member 310 of the detachable means 300 A retainer lock (7) and an SOH type engine combined valve retainer, characterized in that an annular magnet (313) is installed on the bottom surface of the c) to take the retainer lock (7) which is disassembled and detached from the valve stem (4a). Lock release device.