Engine valve lock clip assembly device

By introducing a limiting mechanism and cylinder mounting frame into the engine valve lock clamp assembly device, adjusting the pressing height of the valve lock clamp, the problem of the valve lock clamp pressing the valve spring seat is solved, ensuring that the valve oil seal is not crushed. Improves the stability and practicality of the device.

CN112935801BActive Publication Date: 2024-12-31GUANGXI YUCHAI MASCH CO LTD
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Patent Information

Application Number
CN202110295105.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-03-19
Publication Date
2024-12-31
Estimated Expiration
2041-03-19

AI Technical Summary

Technical Problem

The existing engine valve lock clamp assembly device is not convenient to adjust the limit height, which causes the valve lock clamp to be pressed into the valve spring seat too deep, causing the valve oil seal to be crushed.

Method used

A device including a guide rod, a cylinder mounting frame, a valve lock clamp mounting frame, a cylinder head conveying roller and lifting mechanism and a limiting mechanism is designed, and the valve lock clamp on the valve lock clamp mounting frame is driven up and down through the cylinder mounting frame. Move and adjust the height of the valve lock clamp pressing into the spring seat through the limiting mechanism to prevent overpressure.

Benefits of technology

It has achieved the phenomenon that the valve lock clamp is pressed into the valve spring seat too deep and the valve oil seal is crushed. The device has a simple structure, high stability and practicality, and has certain promotional value.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an engine valve lock clamp assembly device, comprising a guide rod, a cylinder mounting frame, a valve lock clamp plate mounting frame, a cylinder head conveying roller, a lifting mechanism and a limiting mechanism. A guide rod is installed on the top of the inner wall of the cylinder mounting frame, and the top end of the guide rod is located at the top of the cylinder mounting frame to install a limiting mechanism, and the limiting mechanism includes a limiting mechanism bottom plate, a front side plate, an intermediate adjustment plate and a rear side plate. Bottom plate bolts are installed at the top four corners of the limiting mechanism bottom plate, and a bottom plate flat washer and a bottom plate spring washer are sequentially sleeved and installed on the bottom plate bolts located at the top of the limiting mechanism bottom plate from top to bottom, and an intermediate adjustment plate is installed between the inner sides of the front side plate and the rear side plate, and an adjustment bolt is installed on the top of the intermediate adjustment plate. By this, the engine valve lock clamp assembly device of the present invention has a simple and reasonable structure, can prevent the valve lock clamp plate from being pressed too deeply into the valve spring seat to cause the valve oil seal to be crushed, and has high stability and practicality.
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Description

Technical Field

[0001] The invention relates to the technical field of engine valve lock clip assembly, in particular to an engine valve lock clip assembly device. Background Art

[0002] The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. From the perspective of engine structure, it is divided into an intake valve and an exhaust valve. The function of the intake valve is to suck air into the engine and mix it with fuel for combustion; the function of the exhaust valve is to discharge the exhaust gas after combustion and dissipate heat. Valve lock clips need to be assembled in engine production. The existing engine valve lock clip assembly device is not convenient for adjusting the limit height to change the height of the valve lock clip plate pressed into the spring seat, limiting the valve lock clip plate from over-pressing downward to damage the oil seal, and preventing the valve lock clip plate from being pressed too deeply into the valve spring seat to cause the valve oil seal to be damaged. Therefore, an engine valve lock clip assembly device is needed to improve the above-mentioned problems.

[0003] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0004] The purpose of the present invention is to provide an engine valve lock clamp assembly device, which has a simple and reasonable structure, can prevent the valve lock clamp plate from being pressed too deeply into the valve spring seat to cause the valve oil seal to be crushed, and has high stability and practicality.

[0005] In order to achieve the above-mentioned purpose, the present invention provides an engine valve lock clamp assembly device, including a guide rod, a cylinder mounting frame, a valve lock clamp mounting frame, a cylinder head conveying roller, a lifting mechanism and a limiting mechanism. A guide rod is installed on the top of the inner wall of the cylinder mounting frame, and the top end of the guide rod is located at the top of the cylinder mounting frame. A limiting mechanism is installed. The limiting mechanism includes a limiting mechanism bottom plate, a front side plate, an intermediate adjustment plate and a rear side plate. Bottom plate bolts are installed at the four corners of the top of the limiting mechanism bottom plate. Bottom plate flat washers and bottom plate spring washers are sequentially sleeved and installed on the bottom plate bolts located at the top of the limiting mechanism bottom plate from top to bottom. An intermediate adjustment plate is installed between the inner sides of the front side plate and the rear side plate. An adjustment bolt is installed on the top of the intermediate adjustment plate. A locking nut is sleeved and installed on the adjustment bolt. The base surface of the front side plate passes through the interior of the intermediate adjustment plate through the intermediate adjustment plate bolt and extends to the back of the rear side plate. An intermediate adjustment plate is installed. An adjusting plate nut and an intermediate adjusting plate spring washer and an intermediate adjusting plate flat washer are sequentially mounted on one side of the intermediate adjusting plate bolt close to the intermediate adjusting plate nut from front to back, a valve lock clamping plate mounting frame is mounted on the bottom end of the guide rod, a valve lock clamping plate is mounted on the bottom of the valve lock clamping plate mounting frame, a lifting mechanism is mounted on the bottom of the inner wall of the cylinder mounting frame, a cylinder head conveying roller is mounted on the top of the lifting mechanism at the bottom of the inner wall of the cylinder mounting frame, a shift block is mounted on one side of the inner wall of the cylinder mounting frame close to the cylinder head conveying roller, a valve lock clamp is arranged on the top of the cylinder head conveying roller, a valve oil seal is mounted on the bottom of the valve lock clamp, and a cylinder head is mounted on the bottom of the valve oil seal.

[0006] In one embodiment of the present invention, a cylinder is installed at the top center of the cylinder mounting frame, and the bottom end of the cylinder is connected to the top of the valve lock clamping plate mounting frame.

[0007] In one embodiment of the present invention, a cylinder head positioning pin hole is provided on the top of the cylinder head conveying roller at the top end of the lifting mechanism.

[0008] In one embodiment of the present invention, a positioning pin is installed on the top of the lifting mechanism.

[0009] In one embodiment of the present invention, adjustment through holes are provided at the centers of the base surfaces of the front side plate, the middle adjustment plate and the rear side plate.

[0010] In one embodiment of the present invention, an adjustment screw hole is provided on the top of the middle adjustment plate, and the size of the adjustment screw hole matches the installation adjustment bolt.

[0011] Compared with the prior art, the engine valve lock clamp assembly device according to the present invention drives the valve lock clamp pressure plate at the bottom of the valve lock clamp plate mounting frame to move up and down through the cylinder at the top of the cylinder mounting frame, overcomes the valve spring force and mounts the valve lock clamp on the valve stem. After the cylinder head presses the valve oil seal, installs the valve, valve spring and valve spring seat, it is transported to the stop block through the cylinder roller. The lifting mechanism rises and the positioning pin is inserted into the positioning pin hole of the cylinder head. After the cylinder head is positioned, the start button is pressed. , the cylinder drives the valve lock clamp mounting frame to press down, and the valve lock clamp pressure plate is pressed on the valve spring seat until the plate on the guide rod contacts the limit mechanism, and the valve stem is exposed from the upper part of the valve lock clamp. According to the process requirements, the valve lock clamp is manually installed on the valve stem groove. After installation, the start button is pressed, and the cylinder pulls the valve lock clamp upward. At the moment the valve lock clamp is separated from the valve spring seat, the valve spring resets upward and the valve spring seat moves upward to install the valve lock clamp on the gas stem, and the lifting mechanism descends. The positioning pin and the gear position are The block is separated from the cylinder head, and the cylinder head flows to the next position and is composed of a limiting mechanism bottom plate, a bottom plate bolt, a bottom plate flat washer, a bottom plate spring washer, a front side plate, an intermediate adjustment plate bolt, an intermediate adjustment plate flat washer, an intermediate adjustment plate spring washer, an intermediate adjustment plate nut, an intermediate adjustment plate, an adjusting bolt, a locking nut, and a rear side plate. The limiting mechanism is connected together by the limiting mechanism bottom plate, the bottom plate bolt, the bottom plate flat washer, the bottom plate spring washer and the cylinder mounting frame top plate; the height of the valve lock clamping plate pressed into the spring seat is changed by adjusting the position of the intermediate adjustment plate and the height of the adjusting bolt, so as to prevent the valve lock clamping plate from being pressed into the valve spring seat too deeply and causing the valve oil seal to be crushed. The structure is simple and a limiting mechanism is added between the cylinder mounting frame and the guide rod mounting plate, so that the limiting height is adjusted to change the height of the valve lock clamping plate pressed into the spring seat, and the valve lock clamping plate is limited to be over-pressed downward to crush the oil seal, so as to prevent the valve lock clamping plate from being pressed into the valve spring seat too deeply and causing the valve oil seal to be crushed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall front view of the engine valve lock clip assembly device according to one embodiment of the present invention;

[0013] Figure 2 is a schematic diagram of the overall side view structure of an engine valve lock clip assembly device according to an embodiment of the present invention;

[0014] Figure 3 is a schematic side structural diagram of a limiting mechanism of an engine valve lock clip assembly device according to an embodiment of the present invention;

[0015] Figure 4 2. It is a schematic diagram of the rear view structure of the limiting mechanism of the engine valve lock clamp assembly device according to one embodiment of the present invention;

[0016] Figure 5It is a schematic structural diagram of a middle adjustment plate of an engine valve lock clamp assembly device according to an embodiment of the present invention.

[0017] Description of main reference numerals:

[0018] 1-guide rod, 2-cylinder mounting bracket, 3-valve lock clamping plate mounting bracket, 4-cylinder head conveying roller, 5-lifting mechanism, 6-limiting mechanism, 601-limiting mechanism bottom plate, 602-bottom plate bolt, 603-bottom plate flat washer, 604-bottom plate spring washer, 605-front side plate, 606-middle adjustment plate bolt, 607-middle adjustment plate flat washer, 608-middle adjustment plate spring washer, 609-middle adjustment plate nut, 610-middle adjustment plate, 611-adjusting bolt, 612-locking nut, 613-rear side plate, 7-valve lock clamping plate, 8-valve lock clamp, 9-valve oil seal, 10-cylinder head, 11-stop block. DETAILED DESCRIPTION

[0019] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0020] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0021] Figure 1 It is a schematic diagram of the overall front view structure of an engine valve lock clip assembly device according to one embodiment of the present invention. Figure 2 It is a schematic diagram of the overall side structure of an engine valve lock clip assembly device according to one embodiment of the present invention. Figure 3 The figure is a side structural schematic diagram of a limiting mechanism of an engine valve lock clip assembly device according to an embodiment of the present invention. Figure 4 The figure is a schematic rear view structure diagram of a limiting mechanism of an engine valve lock clip assembly device according to an embodiment of the present invention. Figure 5 It is a schematic structural diagram of a middle adjustment plate of an engine valve lock clamp assembly device according to an embodiment of the present invention.

[0022] like Figures 1 to 5As shown, an engine valve lock clamp assembly device according to a preferred embodiment of the present invention comprises a guide rod 1, a cylinder mounting frame 2, a valve lock clamp plate mounting frame 3, a cylinder head conveying roller 4, a lifting mechanism 5 and a limiting mechanism 6. The guide rod 1 is installed on the top of the inner wall of the cylinder mounting frame 2. The top of the guide rod 1 is located at the top of the cylinder mounting frame 2 and the limiting mechanism 6 is installed. The limiting mechanism 6 comprises a limiting mechanism bottom plate 601, a front side plate 605, an intermediate adjustment plate 610 and a rear side plate 613. The front side plate 605, the intermediate adjustment plate 610 and the rear side plate 613 are all provided with adjustment through holes at the center of the base surface. The top four corners of the limiting mechanism bottom plate 601 are provided with adjustment holes. A bottom plate bolt 602 is installed, and a bottom plate flat washer 603 and a bottom plate spring washer 604 are sleeved and installed on the top of the bottom plate 601 of the limiting mechanism from top to bottom. An intermediate adjustment plate 610 is installed between the inner sides of the front side plate 605 and the rear side plate 613. An adjustment bolt 611 is installed on the top of the intermediate adjustment plate 610. An adjustment screw hole is provided on the top of the intermediate adjustment plate 610, and the size of the adjustment screw hole matches the installation of the adjustment bolt 611. A locking nut 612 is sleeved and installed on the adjustment bolt 611. The base surface of the front side plate 605 passes through the interior of the intermediate adjustment plate 610 through the intermediate adjustment plate bolt 606 and extends to the rear side plate 6 An intermediate adjustment plate nut 609 is installed on the back of 13, and an intermediate adjustment plate spring pad 608 and an intermediate adjustment plate flat pad 607 are sequentially sleeved and installed on one side of the intermediate adjustment plate bolt 606 close to the intermediate adjustment plate nut 609 from front to back. A valve lock clamping plate mounting frame 3 is installed at the bottom end of the guide rod 1, a cylinder is installed at the top center of the cylinder mounting frame 2, and the bottom end of the cylinder is connected to the top of the valve lock clamping plate mounting frame 3, a valve lock clamping plate 7 is installed at the bottom of the valve lock clamping plate mounting frame 3, a lifting mechanism 5 is installed at the bottom of the inner wall of the cylinder mounting frame 2, a positioning pin is installed on the top of the lifting mechanism 5, and the bottom of the inner wall of the cylinder mounting frame 2 is located at the lifting mechanism The top of the structure 5 is equipped with a cylinder head conveying roller 4, and the top of the cylinder head conveying roller 4 is located at the top of the lifting mechanism 5 and is provided with a cylinder head locating pin hole. The bottom of the inner wall of the cylinder mounting frame 2 is close to the side of the cylinder head conveying roller 4. A stop block 11 is installed on the top of the cylinder head conveying roller 4. A valve lock clamp 8 is arranged on the top of the cylinder head conveying roller 4, and a valve oil seal 9 is installed on the bottom of the valve lock clamp 8. A cylinder head 10 is installed on the bottom of the valve oil seal 9. The valve lock clamp pressure plate 7 at the bottom of the valve lock clamp mounting frame 3 is driven up and down by the cylinder on the top of the cylinder mounting frame 2, and the valve lock clamp 8 is installed on the valve stem to overcome the valve spring force. As the cylinder head 10 presses the valve oil seal 9,After installing the valve, valve spring and valve spring seat, they are transported to the stop block 11 through the cylinder roller conveyor 4. The lifting mechanism 5 rises and the positioning pin is inserted into the positioning pin hole of the cylinder head. After the cylinder head 10 is positioned, the start button is pressed, and the cylinder drives the valve lock clamp mounting frame 3 to press down. The valve lock clamp pressure plate 7 is pressed on the valve spring seat until the plate above the guide rod 1 contacts the limiting mechanism 6, and the valve stem is exposed from the upper part of the valve lock clamp 7. According to the process requirements, the valve lock clamp 8 is manually installed on the valve stem groove. After installation, the start button is pressed. The cylinder pulls up the valve lock clamp 7. At the moment when the valve lock clamp 7 is separated from the valve spring seat, the valve spring resets upward and the valve spring seat moves upward to install the valve lock clamp 8 on the gas rod. The lifting mechanism 5 descends, the positioning pin and the stop block 11 are separated from the cylinder head 10, and the cylinder head 10 flows to the next position and passes through the limiting mechanism 6, which is composed of the limiting mechanism bottom plate 601, bottom plate bolts 602, bottom plate flat washer 603, bottom plate spring washer 604, front side plate 605, middle adjustment plate bolts 606, and middle adjustment plate bolts. The whole plate flat washer 607, the middle adjustment plate spring washer 608, the middle adjustment plate nut 609, the middle adjustment plate 610, the adjustment bolt 611, the locking nut 612, and the rear side plate 613 are composed. The limiting mechanism 6 is connected together through the limiting mechanism bottom plate 601, the bottom plate bolt 602, the bottom plate flat washer 603, the bottom plate spring washer 604 and the top plate of the cylinder mounting frame 2; the height of the valve lock clamping plate 7 pressed into the spring seat can be changed by adjusting the position of the middle adjustment plate 610 and the height of the adjustment bolt 611. The valve lock clamping plate 7 is pressed too deep into the valve spring seat to prevent the valve oil seal 9 from being damaged. The overall device has a simple structure. By adding a limit mechanism 6 between the cylinder mounting frame 2 and the guide rod mounting plate, it is easy to adjust the limit height to change the height of the valve lock clamping plate 7 pressed into the spring seat, and limit the valve lock clamping plate 7 from being over-pressed downward to damage the oil seal, so as to prevent the valve lock clamping plate 7 from being pressed too deep into the valve spring seat to cause the valve oil seal to be damaged. The device has high stability and practicality, and has certain promotion value.

[0023] In practical application, the working process of the present invention is as follows: when in use, the cylinder on the top of the cylinder mounting frame 2 drives the valve lock clamping plate 7 at the bottom of the valve lock clamping plate mounting frame 3 to move up and down, overcomes the valve spring force and installs the valve lock clamp 8 on the valve stem, because the cylinder head 10 presses the valve oil seal 9, installs the valve, valve spring, and valve spring seat, and then is sent to the gear block 11 through the cylinder roller conveyor 4, the lifting mechanism 5 rises and the positioning pin is inserted into the positioning pin hole of the cylinder head, after the cylinder head 10 is positioned, the start button is pressed, the cylinder drives the valve lock clamping plate mounting frame 3 to press down, and the valve lock clamp is pressed. The plate 7 is pressed on the valve spring seat until the plate on the guide rod 1 contacts the limiting mechanism 6, and the valve stem is exposed from the upper part of the valve lock clamp 7. The valve lock clamp 8 is manually installed on the groove of the valve stem according to the process requirements. After installation, the start button is pressed, and the cylinder pulls up the valve lock clamp 7. At the moment when the valve lock clamp 7 is separated from the valve spring seat, the valve spring resets upward and the valve spring seat moves upward to install the valve lock clamp 8 on the gas stem. The lifting mechanism 5 descends, the positioning pin and the stop block 11 are separated from the cylinder head 10, and the cylinder head 10 flows to the next position and passes through the limiting mechanism 6 by the limiting mechanism bottom plate 60 1. Bottom plate bolts 602, bottom plate flat washers 603, bottom plate spring washers 604, front side plates 605, middle adjustment plate bolts 606, middle adjustment plate flat washers 607, middle adjustment plate spring washers 608, middle adjustment plate nuts 609, middle adjustment plates 610, adjustment bolts 611, locking nuts 612, and rear side plates 613. The limiting mechanism 6 is connected together through the limiting mechanism bottom plate 601, bottom plate bolts 602, bottom plate flat washers 603, bottom plate spring washers 604 and the top plate of the cylinder mounting frame 2; by adjusting the position of the middle adjustment plate 610 and the adjustment The height of the bolt 611 is used to change the height at which the valve lock clamp 7 is pressed into the spring seat, so as to prevent the valve lock clamp 7 from being pressed too deeply into the valve spring seat and causing the valve oil seal 9 to be damaged. The overall device has a simple structure, and a limiting mechanism 6 is added between the cylinder mounting frame 2 and the guide rod mounting plate, so that the limiting height can be adjusted to change the height at which the valve lock clamp 7 is pressed into the spring seat, and the valve lock clamp 7 is limited from being over-pressed downward to damage the oil seal, so as to prevent the valve lock clamp 7 from being pressed too deeply into the valve spring seat and causing the valve oil seal to be damaged. The device has high stability and practicality, and has certain promotion value.

[0024] In summary, the engine valve lock clamp assembly device of the present invention has a simple overall device structure. By adding a limiting mechanism between the cylinder mounting frame and the guide rod mounting plate, the limiting height can be adjusted to change the height at which the valve lock clamp is pressed into the spring seat, thereby limiting the valve lock clamp from being over-pressed downward to damage the oil seal, thereby preventing the valve lock clamp from being pressed too deeply into the valve spring seat to cause the valve oil seal to be damaged. The device has high stability and practicality, and has certain promotion value.

[0025] The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.

Claims

1. An engine valve lock clamp assembly device, comprising a guide rod, a cylinder mounting frame, a valve lock clamp plate mounting frame, a cylinder head conveying roller, a lifting mechanism and a limiting mechanism, characterized in that: A guide rod is installed on the top of the inner wall of the cylinder mounting frame, and the top end of the guide rod is located at the top of the cylinder mounting frame to install a limiting mechanism, the limiting mechanism comprises a limiting mechanism bottom plate, a front side plate, an intermediate adjustment plate and a rear side plate, and bottom plate bolts are installed at the four corners of the top of the bottom plate of the limiting mechanism, and a bottom plate flat washer and a bottom plate spring washer are sequentially sleeved and installed on the bottom plate bolts located on the top of the limiting mechanism bottom plate from top to bottom, an intermediate adjustment plate is installed between the inner sides of the front side plate and the rear side plate, an adjusting bolt is installed on the top of the intermediate adjustment plate, and a locking nut is sleeved and installed on the adjusting bolt, the base surface of the front side plate passes through the interior of the intermediate adjustment plate through the intermediate adjustment plate bolt and extends to the back of the rear side plate where an intermediate The adjusting plate nut, the middle adjusting plate bolt is sleeved with a middle adjusting plate spring washer and a middle adjusting plate flat washer in sequence from front to back on one side thereof close to the middle adjusting plate nut, the bottom end of the guide rod is mounted with a valve lock clamping plate mounting frame, the bottom of the valve lock clamping plate mounting frame is mounted with a valve lock clamping plate, the bottom of the inner wall of the cylinder mounting frame is mounted with a lifting mechanism, the bottom of the inner wall of the cylinder mounting frame is located at the top of the lifting mechanism and a cylinder head conveying roller is mounted, a stop block is mounted on one side of the inner wall bottom of the cylinder mounting frame close to the cylinder head conveying roller, a valve lock clamp is arranged on the top of the cylinder head conveying roller, a valve oil seal is mounted on the bottom of the valve lock clamp, and a cylinder head is mounted on the bottom of the valve oil seal; Wherein, a cylinder is installed at the top center of the cylinder mounting frame, and the bottom end of the cylinder is connected to the top of the valve lock clamping plate mounting frame; Wherein, the top of the cylinder head conveying roller is located at the top of the lifting mechanism and is provided with a cylinder head positioning pin hole.

2. The engine valve lock clip assembly device according to claim 1, characterized in that: A positioning pin is installed on the top of the lifting mechanism.

3. The engine valve lock clip assembly device according to claim 1, characterized in that: The front side plate, the middle adjustment plate and the rear side plate are all provided with adjustment through holes at the center of the base surfaces.

4. The engine valve lock clip assembly device according to claim 1, characterized in that: An adjusting screw hole is arranged on the top of the middle adjusting plate, and the size of the adjusting screw hole matches the installation adjusting bolt.

Citation Information

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