Portable valve collet disassembling and assembling tool for maintenance

Abstract

The utility model belongs to the field of engine maintenance tools, and particularly discloses a portable valve collet disassembling and assembling tool for maintenance, which comprises a spring pressing plate, an adjusting rod and a fixed support, and the spring pressing plate comprises a pressing sleeve, a guide screw sleeve and a connecting plate; the pressing sleeve is fixedly connected with the guide screw sleeve through a connecting plate; the fixing support comprises a fixing block and an adjusting rod fixing support. The adjusting rod fixing support is fixedly connected to the outer wall of the fixing block, and a through hole A is formed in the side face of the adjusting rod fixing support; external threads are respectively arranged at two ends of the adjusting rod; the guide screw sleeve is mounted at the end A of the adjusting rod through a second nut; the adjusting rod fixing support is installed at the end B of the adjusting rod through a first nut. The fixed support is installed on a cylinder cover assembly through bolts, and the lower end face of the pressing sleeve makes contact with the upper end face of the valve spring seat. The valve collet disassembling and assembling tool is simple in structure, low in cost, easy to carry, high in universality, safe and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of engine maintenance tool, concretely relates to a portable maintenance valve lock clamp dismounting tool. BACKGROUND

[0002] In the engine maintenance process, valve assembly dismounting is a common operation; valve lock clamp is a key small part connecting valve spring and valve rod, clamped in the groove at the top of valve rod, fixed between valve rod and valve spring upper seat by large spring force, and it is difficult to realize dismounting without corresponding tool.

[0003] The current valve lock clamp dismounting has manual press fitting method, uses crowbar, screwdriver and the like to press valve spring to compress on one side and take down valve lock clamp on the other side; this method is time-consuming and laborious and very unsafe, and improper force can damage valve rod or valve spring seat; some special tools are used for dismounting, and the special tools are generally complex in structure, difficult to manufacture and specific to certain engine models, poor in universality, and multiple types of valve lock clamp dismounting tools may be needed for different types of engines, which brings much inconvenience to maintenance personnel.

[0004] The current existing valve lock clamp tool has a device with magnetic attraction function, and the valve lock clamp is difficult to automatically fall into the groove of the valve rod during installation, and the device without magnetic attraction function is easy to cause the valve lock clamp to splash, resulting in loss of the valve lock clamp or harm to the person. UTILITY MODEL CONTENTS

[0005] In view of the problems in the background art, the utility model provides a portable maintenance valve lock clamp dismounting tool.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a portable maintenance valve lock clamp dismounting tool, comprising a spring pressing plate, an adjusting rod and a fixed support, the spring pressing plate comprises a pressing sleeve, a guide screw sleeve and a connecting plate; the pressing sleeve and the guide screw sleeve are fixedly connected through the connecting plate; the fixed support comprises a fixed block and an adjusting rod fixing bracket; the adjusting rod fixing bracket is fixedly connected to the outer wall of the fixed block, and the side surface of the adjusting rod fixing bracket is provided with a through hole A; the adjusting rod is an L-shaped round rod, and the two ends of the adjusting rod are respectively provided with external threads; the guide screw sleeve is installed at the A end of the adjusting rod through a second nut; the adjusting rod fixing bracket is installed at the B end of the adjusting rod through a first nut; the fixed support is installed on the cylinder head assembly through bolts, and the lower end surface of the pressing sleeve is in contact with the upper end surface of the valve spring seat.

[0007] The compression sleeve is a circular tube with a closed lower end, and a through hole B is arranged at the center of the bottom surface of the compression sleeve, with a diameter greater than the outer diameter of the valve lock clamp; the guide screw sleeve is a circular tube, and the central hole of the guide screw sleeve has a diameter not less than the diameter of the adjusting rod; the connecting plate is a flat plate; and the compression sleeve and the guide screw sleeve are welded at the two ends of the connecting plate.

[0008] The fixing block is a circular tube, and the central hole of the fixing block has a diameter not less than the outer diameter of the bolt; the adjusting rod fixing bracket is a flat plate, and two adjusting rod fixing brackets form a set, are welded on the outer wall of the fixing block, are parallel to each other, and the through hole A of the adjusting rod fixing bracket is coaxial.

[0009] The upper end surface of the guide screw sleeve is provided with a second nut.

[0010] The outer side of the adjusting rod fixing bracket is respectively provided with a first nut.

[0011] The portable valve lock clamp dismounting tool provided by the utility model has the advantages of simple structure, low cost, easy portability, strong universality, safety and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a use schematic view of the lock clamp dismounting tool.

[0013] Figure 2 It is a whole schematic view of the lock clamp dismounting tool.

[0014] Figure 3 It is a front view of the spring pressing plate.

[0015] Figure 4 It is a front view of the adjusting rod.

[0016] Figure 5 It is a front view of the fixing support.

[0017] In the drawing: 1, spring pressing plate, 2, compression sleeve, 3, guide screw sleeve, 4, connecting plate, 5, adjusting rod, 6, fixing support, 7, first nut, 8, fixing block, 9, adjusting rod fixing bracket, 10, cylinder cover assembly, 11, fixing bolt hole, 12, cylinder cover bolt hole, 13, valve spring seat, 16, bolt, 17, second nut. DETAILED DESCRIPTION

[0018] The technical solutions of the utility model will be described clearly and completely in combination with the drawings of the description, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments; based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making the creative labor belong to the protection range of the utility model.

[0019] The following will be combined with the drawings of the description Figures 1-5Further detailed description of the specific embodiments of the utility model is made: a portable maintenance valve lock clamp dismounting tool, including spring pressure plate 1, adjusting lever 5, fixed support 6, spring pressure plate 1 includes compression cover 2, guide screw sleeve 3 and connecting plate 4, compression cover 2 is the closed circular tube of lower end, the bottom surface center of compression cover 2 is equipped with through-hole B, the diameter of through-hole B is greater than the outside diameter of valve lock clamp, in actual use process, the through-hole B of the bottom surface center of compression cover 2 is greater than the outside diameter of valve lock clamp, can press and install various different specifications of valve spring seat 13, the diameter of the groove hole of the top surface of compression cover 2 is greater than the diameter of through-hole B, can guarantee to have enough space for dismounting valve lock clamp, in actual use process, the height H1 of compression cover 2 is generally 20mm < H1 < 40mm, at this time, it does not affect dismounting valve lock clamp, and lock clamp splashing can be prevented, guide screw sleeve 3 is circular tube, the center hole diameter of guide screw sleeve 3 is not less than the diameter of adjusting lever 5, connecting plate 4 is flat plate, compression cover 2 and guide screw sleeve 3 are welded in the both ends of connecting plate 4, fixed support 6 includes fixed block 8 and adjusting lever fixed support 9, fixed block 8 is circular tube, the center hole diameter of fixed block 8 is not less than the outside diameter of bolt 16, adjusting lever fixed support 9 is flat plate, two adjusting lever fixed supports 9 are a group, adjusting lever fixed support 9 is welded on the outer wall of fixed block 8, two adjusting lever fixed supports 9 are parallel to each other, the side of adjusting lever fixed support 9 is equipped with through-hole A, the through-hole A of adjusting lever fixed support 9 is coaxial, adjusting lever 5 is the circular rod of "L" shape, and the both ends of adjusting lever 5 are respectively equipped with external thread, in actual use, the diameter D1 of adjusting lever 5 is greater than 8mm, at this time, the strength of adjusting lever 5 can be guaranteed, and the both ends of adjusting lever 5 are equipped with external thread, and the adjusting range of external thread is as long as possible, by adjusting the extension length of adjusting lever 5, compression cover 2 can be just located above valve spring seat 13, so that the uniform force of valve spring can be guaranteed, and deviation of compression can be prevented, the upper end surface of guide screw sleeve 3 is equipped with second nut 17, guide screw sleeve 3 is installed in the A end of adjusting lever 5 through second nut 17, the outside of adjusting lever fixed support 9 is respectively equipped with first nut 7, adjusting lever fixed support 9 is installed in the B end of adjusting lever 5 through first nut 7, in the use process, fixed block 8 is installed on cylinder head assembly 10 using bolt 16, the B end of adjusting lever 5 is fixed on adjusting lever fixed support 9 using first nut 7, the both sides of adjusting lever fixed support 9 are fixed and locked by first nut 7, so that adjusting lever 5 cannot rotate at will, then spring pressure plate 1 is installed in the A end of adjusting lever 5, by rotating guide screw sleeve 3, compression cover 2 is moved to the central position above valve spring seat 13, by rotating second nut 17 on the upper side of guide screw sleeve 3, the downward or upward movement of compression cover 2 can be controlled, so that the dismounting and installation of valve lock clamp are completed.The fixing bracket 6 is mounted on the cylinder head assembly 10 via bolts 16. The upper end surface of the cylinder head assembly 10 is provided with a plurality of fixing bolt holes 11 and cylinder head bolt holes 12. In actual use, it is necessary to select the appropriate fixing bolt hole 11 or cylinder head bolt hole 12 for mounting the fixing bracket 6.

[0020] The use process of this utility model is as follows: First, Figure 2 Assemble the disassembly and assembly tools together as shown in the figure. After the assembly is completed, Figure 1 As shown, the disassembly and assembly tool is installed on the upper end surface of the cylinder head assembly 10; during installation, first select the appropriate fixing bolt hole 11 or cylinder head bolt hole 12, and then use the bolt 16 to install the fixing block 8 on the appropriate fixing bolt hole 11 or cylinder head bolt hole 12. Do not tighten the bolt 16 during the initial installation to ensure that the fixing support 6 can rotate around the bolt 16; by rotating the fixing support 6 and the guide screw sleeve 3, or adjusting the length of the B end of the rod 5, the compression sleeve 2 is moved to the center position just above the valve spring seat 13; at this time, tighten the bolt 16 to fix the disassembly and assembly tool; after the fixing is completed, use the tool to rotate the second nut 17 above the guide screw sleeve 3 to control the compression sleeve 2 to move downward or upward, thereby completing the disassembly and installation of the valve lock clamp; when use is completed, use the tool to loosen the bolt 16, and the disassembly and assembly tool can be removed from the cylinder head assembly 10 and wait for the next use.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0022] The parts not described in detail in this utility model are prior art.

Claims

1. A portable valve lock clamp disassembly and assembly tool for maintenance, comprising a spring pressure plate (1), an adjustment rod (5), and a fixed support (6), characterized by: The spring pressure plate (1) includes a compression sleeve (2), a guide screw sleeve (3) and a connecting plate (4); the compression sleeve (2) and the guide screw sleeve (3) are fixedly connected through the connecting plate (4); the fixed support (6) includes a fixed block (8) and an adjusting rod fixing bracket (9); the adjusting rod fixing bracket (9) is fixedly connected to the outer wall of the fixing block (8), and a through hole A is provided on the side of the adjusting rod fixing bracket (9); the adjusting rod (5) is an "L"-shaped round rod, and both ends of the adjusting rod (5) are respectively provided with external threads; the guide screw sleeve (3) is installed on the A end of the adjusting rod (5) through a second nut (17); the adjusting rod fixing bracket (9) is installed on the B end of the adjusting rod (5) through a first nut (7); the fixed support (6) is installed on the cylinder head assembly (10) through a bolt (16), and the lower end surface of the compression sleeve (2) contacts the upper end surface of the valve spring seat (13).

2. The portable valve lock clamp disassembly and assembly tool for maintenance according to claim 1, characterized in that: The compression sleeve (2) is a round tube with a closed lower end, and a through hole B is provided at the center of the bottom surface of the compression sleeve (2), and the diameter of the through hole B is larger than the outer diameter of the valve lock clamp; the guide screw sleeve (3) is a round tube, and the diameter of the center hole of the guide screw sleeve (3) is not smaller than the diameter of the adjusting rod (5); the connecting plate (4) is a flat plate; the compression sleeve (2) and the guide screw sleeve (3) are welded to both ends of the connecting plate (4).

3. The portable valve lock clamp disassembly and assembly tool for maintenance according to claim 1, characterized in that: The fixing block (8) is a round tube, and the diameter of the center hole of the fixing block (8) is not less than the outer diameter of the bolt (16); the adjusting rod fixing bracket (9) is a flat plate, and two adjusting rod fixing brackets (9) form a group. The adjusting rod fixing brackets (9) are welded to the outer wall of the fixing block (8), the two adjusting rod fixing brackets (9) are parallel to each other, and the through holes A of the adjusting rod fixing brackets (9) are coaxial.

4. The portable valve lock clamp disassembly and assembly tool for maintenance according to claim 1, characterized in that: A second nut (17) is provided on the upper end surface of the guide screw sleeve (3).

5. The portable valve lock clamp disassembly and assembly tool for maintenance according to claim 1, characterized in that: A first nut (7) is provided on the outer side of each of the adjusting rod fixing brackets (9).

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