CN211681889U

CN211681889U - Engine valve assembly and disassembly tools

Info

Publication number: CN211681889U
Application number: CN201922134534.4U
Authority: CN
Inventors: 韩家明; 邵明洋; 臧硕勋; 张力; 时敬龙; 赵东; 常安; 冯旭
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-10-16
Anticipated expiration: 2029-12-03

Abstract

The utility model belongs to the technical field of automobile engine equipment tools, in particular to an engine valve assembling and disassembling tool; the two ends of the cross beam are respectively provided with a groove, one end part of the pressure rod is fixed at the left end of the cross beam, the other end of the pressure rod is in bolted connection with a connecting rod, the other end of the connecting rod penetrates through the cross beam and is fixed on the cross beam through a connecting rod fixing frame, the upper part of the pressure head fixing frame is fixedly connected to the bottom end of the connecting rod, four pressure heads are fixedly connected to the lower part of the pressure head fixing frame, an extension arm is movably connected into each groove of the cross beam, a fixed support sliding groove is in bolted connection with the end; the engine mounting and dismounting device can be adapted to engines with different sizes, and the dismounting efficiency can be greatly improved; meanwhile, the tool is evenly stressed, the risk that the tool turns over due to uneven stress is avoided, and the engine valve is safer and more convenient to disassemble and assemble.

Description

Engine valve assembly and disassembly tools

Technical Field

The utility model belongs to the technical field of automobile engine equips instrument, concretely relates to engine valve assembly and disassembly tools.

Background

With the continuous development of the automobile industry, the automobile holding capacity in the market is improved year by year, and the failure and maintenance amount are increased. For engines with longer mileage, the failure of valve mechanisms, especially valves, is frequent, and specialized tools are increasingly needed for disassembling and replacing the valve mechanisms.

Prior patent CN110026948A discloses a valve mounting and dismounting device, which comprises two supports, a cross beam, a first sliding member, a second sliding member and a pressure head assembly. The structure has two groups of sliding part structures which can be matched with engines of different models, and the universality of the device can be improved. However, in actual use, the tool is pressed to one side of the valve spring by a large force, and the tool may roll over.

An engine valve spring assembly and disassembly tools is disclosed in current patent CN208773483U, and this utility model discloses an engine valve spring assembly and disassembly tools includes depression bar, connecting rod, mounting, support frame, clamp plate isotructure. However, most of tools in the current market can only carry out dismounting operation on a single valve at each time, tools need to be fixed again when the valve to be dismounted is replaced at each time, and the operation is inconvenient.

Disclosure of Invention

In order to overcome the problems, the utility model provides an engine valve assembling and disassembling tool which is applied to the assembling and maintaining process of engine valves and related parts, can operate four valves at a time, has two groups of sliding assemblies at the same time, can be adapted to engines with different sizes, and can greatly improve the assembling and disassembling efficiency; meanwhile, the tool is evenly stressed, the risk that the tool turns over due to uneven stress is avoided, and the engine valve is safer and more convenient to disassemble and assemble.

The utility model provides an engine valve assembly and disassembly tools, including crossbeam 3, extension arm 2, depression bar 5, connecting rod 7, connecting rod mount 8, pressure head mount 9, pressure head 12, fixing support 15 and fixing support spout 13, wherein the both ends of crossbeam 3 are equipped with recess 31 respectively, 5 one end fixing of depression bar is at the left end of

crossbeam

3, 5 other end bolted connection of depression bar has connecting rod 7, the other end of connecting rod 7 passes crossbeam 3, and fix on crossbeam 3 through connecting rod mount 8, 9 top fixed connection of pressure head mount 9 is in the bottom of connecting rod 7, four pressure heads 12 of 9 below fixed connection of pressure head mount, equal swing joint has extension arm 2 in every recess 31 of

crossbeam

3, 13 bolted connection of fixing support spout are at the tip of extension arm 2, fixing support 15 passes through fixed pin 14 and installs in fixing support spout 13.

The pressure head fixing frame 9 comprises an upper fixing frame 91 and a lower fixing frame 92, wherein the lower fixing frame 92 is perpendicular to the upper fixing frame 91, and the lower fixing frame 92 is connected below the upper fixing frame 91 through a bolt.

The four pressure heads 12 are respectively bolted to two ends of the upper fixing frame 91 and two ends of the lower fixing frame 92.

The utility model has the advantages that:

first, the tool is adaptable. The extension arm and the fixed support can slide in the sliding groove, and the size of the tool can be changed to adapt to engines of different sizes and different models.

Secondly, the disassembly and assembly efficiency is greatly improved. The whole set of instrument is equipped with four pressure heads, fixes on the pressure head mount with the bolt, consequently once can dismantle four throttle valves, increases substantially work efficiency, and in addition, the pressure head can be in order to adapt to different throttle valve positions at pressure head mount internalization.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

1, a first bolt; 2, extending the arm; 3, a cross beam; 31 grooves; 4, a second bolt; 5, pressing a rod; 6, a third bolt; 7 a connecting rod between the pressure rod and the pressure head; 8 connecting the rod fixing frame; 9 a pressure head fixing frame; 10, bolt four; 11, a fifth bolt; 12, a pressure head; 13 fixing the support sliding chute; 14 fixing pins; 15 fixing the base.

Detailed Description

As shown in figure 1, the engine valve assembling and disassembling tool comprises a cross beam 3, an extension arm 2, a pressure lever 5, a connecting rod 7, a connecting rod fixing frame 8, a pressure head fixing frame 9, a pressure head 12, a fixed support 15 and a fixed support sliding groove 13, wherein, two ends of the beam 3 are respectively provided with a groove 31, one end part of the pressure lever 5 is fixed at the left end non-groove 31 part of the beam 3, the other end of the pressure lever 5 is connected with a connecting rod 7 by a bolt, the other end of the connecting rod 7 passes through the beam 3, and fix on crossbeam 3 through connecting rod mount 8, pressure head mount 9 top fixed connection is in the bottom of connecting rod 7, four pressure heads 12 of pressure head mount 9 below fixed connection, equal swing joint has extension arm 2 in every recess 31 of

crossbeam

3, and 13 bolted connections of fixing support spout are at the tip of extension arm 2, and fixing support 15 passes through fixed pin 14 to be installed in fixing support spout 13.

As shown in fig. 2, the pressure head fixing frame 9 includes an upper fixing frame 91 and a lower fixing frame 92, wherein the lower fixing frame 92 is perpendicular to the upper fixing frame 91, and the lower fixing frame 92 is connected below the upper fixing frame 91 through a bolt.

The utility model discloses during the use:

firstly, fixing one end of a pressure lever 5 on a cross beam 3 by using a second bolt 4, and connecting the other end of the pressure lever 5, which is close to the middle part, with a connecting rod 7 by using a third bolt 6; the bottom end of the connecting rod 7 is fixed with a pressure head fixing frame 9 through a bolt four 10, and 4 pressure heads 12 are arranged on the pressure head fixing frame 9.

Secondly, extension arm 2 is installed at the both ends of crossbeam 3, and extension arm 2's one end stretches into in the inside recess 31 of crossbeam 3, and extension arm 2 can slide in the groove to fixed by the fixed pin.

Finally, the fixed support 15 and the sliding groove 13 of the fixed support are installed at two ends of the whole set of tool, wherein the fixed support sliding groove 13 is fixedly connected to the extension arm 2 through the first bolt 1, the fixed support 15 is installed inside the fixed support sliding groove 13 and can slide inside the fixed support sliding groove, and the relative position between the fixed support sliding groove 13 and the fixed support is fixed through the fixing pin 14, so that the purpose of changing the length is achieved.

The working principle is as follows:

in the using process, firstly, the pressure head fixing frame 9 is adjusted through the adjusting bolt four 10, the position of the four pressure heads 12 is adjusted through the adjusting bolt five 11 for fixing the four pressure heads 12, the position of the pressure head 12 corresponds to the position of the valve to be disassembled, and the four pressure heads 12 are pressed on the valve top with the disassembly and assembly function;

adjusting the relative position of the extension arm 2 and the cross beam 3, placing the fixed support sliding groove 13 at a proper position, adjusting the fixed support 15 up and down to find a proper fixed position, fixing the fixed support 15 in the fixed support sliding groove 13 by using a fixed pin 14, and finally fixing the bottom end of the fixed support 15 by using a bolt;

after the whole set of tool is fixed, the pressing rod 5 is pressed downwards, the downward pressing force is transmitted to the four pressing heads 12 through the connecting rods 7 between the pressing rod and the pressing heads, the pressing heads 12 compress the valve spring, the valve locking plate is taken out, the pressing rod 5 is loosened, parts such as the valve spring and the valve are taken out in sequence, and the disassembly of the valve is completed.

Claims

1. An engine valve disassembling tool is characterized by comprising a cross beam (3), extension arms (2), a pressure rod (5), a connecting rod (7), a connecting rod fixing frame (8), a pressure head fixing frame (9), a pressure head (12), a fixed support (15) and a fixed support sliding groove (13), wherein two ends of the cross beam (3) are respectively provided with a groove (31), one end of the pressure rod (5) is fixed at the left end of the cross beam (3), the other end of the pressure rod (5) is in bolted connection with the connecting rod (7), the other end of the connecting rod (7) penetrates through the cross beam (3) and is fixed on the cross beam (3) through the connecting rod fixing frame (8), the upper part of the pressure head fixing frame (9) is fixedly connected at the bottom end of the connecting rod (7), four pressure heads (12) are fixedly connected below the pressure head fixing frame (9), and the extension arms (2, the fixed support sliding groove (13) is connected to the end part of the extension arm (2) through a bolt, and the fixed support (15) is installed in the fixed support sliding groove (13) through a fixed pin (14).

2. The engine valve assembling and disassembling tool according to claim 1, characterized in that the pressure head fixing frame (9) comprises an upper fixing frame (91) and a lower fixing frame (92), wherein the lower fixing frame (92) is perpendicular to the upper fixing frame (91), and the lower fixing frame (92) is connected below the upper fixing frame (91) through bolts.

3. An engine valve assembly/disassembly tool as claimed in claim 2, wherein said four rams (12) are bolted to both ends of the upper mount (91) and both ends of the lower mount (92), respectively.