CN210909835U

CN210909835U - Valve spring mounting tool

Info

Publication number: CN210909835U
Application number: CN201921110476.5U
Authority: CN
Inventors: 刘配勇; 陈刚; 张仕琦
Original assignee: Jiangsu Kangwo Power Technology Co ltd
Current assignee: Jiangsu Kangwo Power Technology Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-07-03
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to a valve spring technical field specifically is a valve spring mounting tool, including the casing, two shank of bolt are vertically installed to the upside of casing, and the outside slidable mounting of shank of bolt has the clamp plate, and six first through-holes have been seted up on the surface of clamp plate, and the both ends upside of clamp plate is connected with two fixed plates respectively, and the surface of fixed plate runs through there is the second through-hole, and fixed plate and casing pass through shank of bolt, second through-hole sliding connection, and the lower extreme of fixed plate is equipped with the reference column. The utility model relates to a novelty, simple structure, convenient to use, nut are twisted in the same direction as the pointer and are moved after on the shank of bolt, and the clamp plate is pressed down four spring bodies simultaneously this moment, can realize valve spring's fixed mounting this moment for the device can carry out the synchronous installation of four spring bodies simultaneously, makes the efficiency of installation improve greatly, has reduced the installation degree of difficulty, and the pinion rack upside sets up has the scale, makes the horizontal position height that can aim at both ends respectively when twisting the nut.

Description

Valve spring mounting tool

Technical Field

The utility model relates to a valve spring technical field specifically is a valve spring mounting tool.

Background

The valve spring is positioned between the cylinder cover and the spring seat at the tail end of the valve stem. The valve spring is made of high-quality alloy steel wire and is heat treated to raise its fatigue strength. In order to avoid the corrosion of the spring, the surface of the spring should be galvanized and phosphatized. The two end faces of the spring must be ground flat and perpendicular to the axis of the spring to prevent the spring from skewing during operation, and most valve springs are cylindrical coil springs as shown in the figure. When the working frequency of the valve spring is equal to or integral multiple of the natural frequency of the valve spring, the valve spring resonates and the probability of breakage is increased.

The valve spring at present needs the operating personnel manual to press when the installation, after pressing to certain position height, the valve collet is installed to another one of reuse hand to the installation degree of difficulty of operating personnel has been increaseed, can only install a valve spring once, simultaneously because the valve spring is pressed to manual, makes the unable accurate unanimity that keeps of distance that the valve spring compressed deformation downwards, thereby has influenced valve spring's result of use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve spring mounting tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a valve spring mounting tool, includes the casing, four vertical poles are vertically installed to the inboard of casing, the outside of vertical pole is equipped with the spring body, two shank of bolt are vertically installed to the upside of casing, the outside slidable mounting of shank of bolt has the clamp plate, six first through-holes have been seted up on the surface of clamp plate, the both ends upside of clamp plate is connected with two fixed plates respectively, the surface of fixed plate runs through there is the second through-hole, fixed plate and casing pass through shank of bolt, second through-hole sliding connection.

As a further aspect of the present invention: the lower end of the fixed plate is provided with a positioning column, and two third through holes are formed in the position, corresponding to the positioning column, of the surface of the pressing plate.

As a further aspect of the present invention: a first threaded hole is formed in the lower end surface of the positioning column, and a first stud is connected to the lower side of the first threaded hole in a threaded mode.

As a further aspect of the present invention: the lower end of the bolt rod is horizontally provided with a connecting plate, and the surface of the connecting plate is provided with a second threaded hole.

As a further aspect of the present invention: and a third threaded hole is formed in the upper surface of the shell, and a second stud is connected to the upper side threads of the second threaded hole and the third threaded hole.

As a further aspect of the present invention: the upper side of casing is equipped with the pinion rack, the locating piece is installed to the lower extreme of pinion rack, the upper surface of casing has seted up the locating hole to the position department that corresponds the locating piece.

As a further aspect of the present invention: the cross sections of the positioning block and the positioning hole are rectangles with equal areas, and the cross sections of the positioning column and the third through hole are circles with equal diameters.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel design, simple structure and convenient use, after the nut is screwed on the bolt rod along the pointer, the pressing plate simultaneously presses the four spring bodies downwards, and the fixed installation of the valve spring can be realized at the moment, so that the device can simultaneously carry out the synchronous installation of the four spring bodies, the installation efficiency is greatly improved, and the installation difficulty is reduced; the first stud is screwed into the first threaded hole at the lower end of the positioning column, the fixing plate and the pressing plate are fixedly connected at the moment, the pressing plates with the first through holes of different diameters can be replaced according to needs, and then the pressing plate and the fixing plate are quickly connected and fixed; with the locating piece of pinion rack downside can be direct insert inboard at the locating hole, because the pinion rack upside sets up has the scale for operating personnel can aim at the horizontal position height at both ends respectively when twisting the nut, thereby makes the fixed plate at both ends be in same position height, has kept the accuracy nature when installing.

Drawings

FIG. 1 is a schematic view of a valve spring installation tool;

FIG. 2 is a schematic structural view of a positioning block in a valve spring installation tool;

fig. 3 is a schematic structural diagram of a positioning column in a valve spring installation tool.

In the figure: 1. a housing; 2. a vertical rod; 3. a spring body; 4. a bolt shank; 5. pressing a plate; 6. a first through hole; 7. a fixing plate; 8. a second through hole; 9. a positioning column; 10. a first threaded hole; 11. a third through hole; 12. a first stud; 13. a connecting plate; 14. a second threaded hole; 15. a third threaded hole; 16. a second stud; 17. a toothed plate; 18. positioning blocks; 19. and (7) positioning the holes.

Detailed Description

Referring to fig. 1-3, in the embodiment of the present invention, a valve spring installation tool, in the first drawing, includes a housing 1, four vertical rods 2 are vertically installed on the inner side of the housing 1, spring bodies 3 are installed on the outer sides of the vertical rods 2, two bolt rods 4 are vertically installed on the upper side of the housing 1, a pressing plate 5 is slidably installed on the outer sides of the bolt rods 4, six first through holes 6 are opened on the surface of the pressing plate 5, two fixing plates 7 are respectively connected to the upper sides of the two ends of the pressing plate 5, second through holes 8 are penetrated through the surfaces of the fixing plates 7, the fixing plates 7 and the housing 1 are slidably connected through the bolt rods 4 and the second through holes 8, after the four spring bodies 3 are placed on the outer sides of the vertical rods 2, the second through holes 8 on the surfaces of the fixing plates 7 are penetrated through the outer sides of the bolt rods 4, after nuts are screwed on the bolt rods 4 along the pointers, at this, after pressing required suitable position, operating personnel locks the spring lock clamp in the upper end of the spring body 3, unscrews the anticlockwise follow shank of bolt 4 with the nut, can realize valve spring's fixed mounting this moment for the device can carry out the synchronous installation of four spring bodies 3 simultaneously, makes the efficiency of installation improve greatly, has reduced the installation degree of difficulty.

In fig. three, a positioning column 9 is arranged at the lower end of the fixing plate 7, two third through holes 11 are formed in the surface of the pressing plate 5 corresponding to the positioning column 9, a first threaded hole 10 is formed in the lower end surface of the positioning column 9, a first stud 12 is connected to the lower side of the first threaded hole 10 in a threaded manner, the positioning column 9 penetrates through the third through hole 11 in the lower side of the pressing plate 5, the first stud 12 is screwed into the first threaded hole 10 in the lower end of the positioning column 9, at the moment, the fixing plate 7 and the pressing plate 5 are fixedly connected, and the pressing plate 5 penetrates through the surface of the pressing plate 5 and is provided with the first through hole 6, so that the pressing plate 5 with the first through holes 6 in different diameters can be replaced.

In the second drawing, a connecting plate 13 is horizontally installed at the lower end of a bolt rod 4, a second threaded hole 14 is formed in the surface of the connecting plate 13, a third threaded hole 15 is formed in the upper surface of a shell 1, a second stud 16 is in threaded connection with the upper sides of the second threaded hole 14 and the third threaded hole 15, a toothed plate 17 is arranged on the upper side of the shell 1, a positioning block 18 is installed at the lower end of the toothed plate 17, a positioning hole 19 is formed in the position, corresponding to the positioning block 18, of the upper surface of the shell 1, the cross sections of the positioning block 18 and the positioning hole 19 are rectangles with equal areas, the cross sections of a positioning column 9 and a third through hole 11 are circles with equal diameters, the positioning block 18 on the lower side of the toothed plate 17 can be directly inserted into the positioning hole 19, due to the scales arranged on the upper side of the toothed plate 17, an operator can respectively align to the horizontal, the accuracy in the installation is kept, when the second threaded hole 14 in the surface of the connecting plate 13 is aligned with the third threaded hole 15 in the upper end of the shell 1, the second stud 16 is screwed into the inner sides of the second threaded hole 14 and the third threaded hole 15 simultaneously, so that the connecting plate 13 and the shell 1 can be fixed, the bolt rod 4 and the shell 1 can be quickly disassembled, and the bolt rod 4 can be quickly disassembled from the shell 1.

The utility model discloses a theory of operation is: after the four spring bodies 3 are placed on the outer side of the vertical rod 2, the second through hole 8 on the surface of the fixing plate 7 penetrates through the outer side of the bolt rod 4, the nut is screwed on the bolt rod 4 along the pointer, at the moment, the four spring bodies 3 are simultaneously pressed downwards by the pressing plate 5 and pressed to a required proper position, an operator locks the spring lock clamp at the upper end of the spring body 3 and screws the nut off the bolt rod 4 anticlockwise, at the moment, the fixed installation of the valve spring can be realized, so that the device can simultaneously and synchronously install the four spring bodies 3, the installation efficiency is greatly improved, the installation difficulty is reduced, the positioning column 9 penetrates through the third through hole 11 on the lower side of the pressing plate 5, the first stud 12 is screwed into the first threaded hole 10 at the lower end of the positioning column 9, at the moment, the fixing plate 7 is fixedly connected with the pressing plate 5, and the first through hole 6 penetrates through the surface of the pressing plate 5, therefore, the pressing plate 5 with the first through holes 6 with different diameters can be replaced according to the requirement, then the quick connection and fixation between the pressing plate 5 and the fixing plate 7 can be realized, the positioning block 18 at the lower side of the toothed plate 17 can be directly inserted into the inner side of the positioning hole 19, because the scales are arranged on the upper side of the toothed plate 17, when an operator twists the nut, the horizontal position heights of the two ends can be respectively aligned, so that the fixing plates 7 at both ends are at the same height, and the accuracy in mounting is maintained, when the second screw holes 14 on the surface of the connecting plate 13 are aligned with the third screw holes 15 at the upper end of the housing 1, the fixation between the connection plate 13 and the housing 1 can be realized by screwing the second stud 16 into the inner sides of the second threaded hole 14 and the third threaded hole 15 simultaneously, therefore, the bolt rod 4 and the shell 1 can be quickly assembled and disassembled, and the bolt rod 4 can be quickly disassembled from the shell 1.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a valve spring mounting tool, includes casing (1), four vertical poles (2) are vertically installed to the inboard of casing (1), the outside of vertical pole (2) is equipped with spring body (3), its characterized in that, two shank of bolt (4) are vertically installed to the upside of casing (1), the outside slidable mounting of shank of bolt (4) has clamp plate (5), six first through-holes (6) have been seted up on the surface of clamp plate (5), the both ends upside of clamp plate (5) is connected with two fixed plates (7) respectively, the surface of fixed plate (7) runs through there is second through-hole (8), fixed plate (7) and casing (1) are through shank of bolt (4), second through-hole (8) sliding connection.

2. The mounting tool for the valve spring according to claim 1, wherein a positioning column (9) is arranged at the lower end of the fixing plate (7), two third through holes (11) are formed in the surface of the pressing plate (5) at positions corresponding to the positioning columns (9), and the cross sections of the positioning columns (9) and the third through holes (11) are circular with the same diameter.

3. A valve spring mounting tool according to claim 2, wherein the lower end surface of the positioning column (9) is provided with a first threaded hole (10), and the lower side of the first threaded hole (10) is in threaded connection with a first stud (12).

4. A valve spring mounting tool according to claim 1, characterized in that a connecting plate (13) is horizontally mounted at the lower end of the bolt shank (4), and a second threaded hole (14) is formed in the surface of the connecting plate (13).

5. A valve spring mounting tool according to claim 4, characterized in that a third threaded hole (15) is formed in the upper surface of the housing (1), and a second stud (16) is threadedly connected to the upper sides of the second threaded hole (14) and the third threaded hole (15).

6. The valve spring mounting tool according to claim 1, wherein a toothed plate (17) is arranged on the upper side of the housing (1), a positioning block (18) is mounted at the lower end of the toothed plate (17), a positioning hole (19) is formed in the position, corresponding to the positioning block (18), of the upper surface of the housing (1), and the cross sections of the positioning block (18) and the positioning hole (19) are rectangular with equal areas.