CN210115869U

CN210115869U - Diesel engine valve spring extracting tool

Info

Publication number: CN210115869U
Application number: CN201920899769.XU
Authority: CN
Inventors: 曹丹青
Original assignee: Qingdao Hongxinyuan Power Equipment Co Ltd
Current assignee: Qingdao Hongxinyuan Power Equipment Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-02-28
Anticipated expiration: 2029-06-15

Abstract

The utility model provides a diesel engine valve spring extracting tool relates to the motor car and overhauls technical field. This diesel engine valve spring extracting tool, including the horizontal pole, the lower fixed surface of horizontal pole left end is connected with first support column, and the one end that the horizontal pole was kept away from to first support column is pegged graft and is had the fixed column, and the threaded rod has been cup jointed to the outer wall of fixed column, the hollow board of the thread face threaded connection of threaded rod. This diesel engine valve spring extracting tool, through setting up threaded rod and hollow slab, make the bracing piece insert in the recess on diesel engine valve spring next door, through setting up L type rocker, make the rotation axis rotate, through setting up the rotation axis, make two thread bushes remove to the rotation axis center, through setting up the connecting rod, make the ejector pad lapse, through setting up the knock-out sleeve, thereby make valve spring press down the fixed column, then the workman just can carry out remaining operation through both hands, solve the discomfort on the workman long-time pressing brought, staff's safety has been guaranteed.

Description

Diesel engine valve spring extracting tool

Technical Field

The utility model relates to a motor car overhauls technical field, specifically is a diesel engine valve spring extracting tool.

Background

The valve spring is a small tool which ensures that the valve is seated and tightly attached in time, prevents the valve from jumping and damaging the sealing performance of the engine when the engine vibrates, is positioned between the cylinder cover and a spring seat at the tail end of the valve stem, and has the function of ensuring that the valve can be tightly attached to the valve seat or a valve seat ring when closed and overcoming the inertia force generated by a valve actuating mechanism when the valve is opened, so that a transmission part is always controlled by the cam and is not separated from each other.

However, the existing valve spring dismounting tool presses the valve spring through the top cylinder, and then the valve spring is taken out through the lever principle by pressing the handle with hands.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a diesel engine valve spring extracting tool has solved the problem mentioned in the above background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a diesel engine valve spring extracting tool, includes the horizontal pole, the first support column of lower fixed surface of horizontal pole left end is connected with, the one end that the horizontal pole was kept away from to first support column is pegged graft and is had the fixed column, the threaded rod has been cup jointed to the outer wall of fixed column, the hollow board of thread face threaded connection of threaded rod, the threaded rod is located the inside one end fixedly connected with limiting plate of hollow board, the lower fixed surface of hollow board is connected with the bracing piece.

The upper surface of one end of the cross rod, which is far away from the first supporting column, is fixedly connected with an inverted U-shaped rod, the position of the cross rod, which is positioned on the symmetrical line of the inverted U-shaped rod, is inserted with a push rod, the bottom end of the push rod is fixedly provided with a top barrel, the top end of the push rod is fixedly connected with a push block, the outer surface of one end of the push rod, which is positioned inside the inverted U-shaped rod, is sleeved with a spring, the two ends of the spring are fixedly connected with the push block and the cross rod, the two side surfaces of the push block are fixedly provided with second supporting columns, the ends of the two second supporting columns, which are far away from the push block, are hinged with connecting rods, the two side walls of the inverted U-shaped rod are inserted with a rotating shaft, one end of the rotating shaft, which is positioned outside the inverted U-, the lower surface of the threaded sleeve is fixedly connected with a third supporting column, and one end, far away from the threaded sleeve, of the third supporting column is hinged to one end, far away from the second supporting column, of the connecting rod.

Preferably, the first bearing and the second bearing are embedded in the position, located on the rotating shaft, of the inverted-U-shaped rod, and the first bearing and the second bearing are sleeved on the outer surface of the rotating shaft.

Preferably, the cross rod is provided with a through hole at the position of the push rod, and the up-and-down moving distance of the push rod is equal to the left-and-right moving distance of the threaded sleeve.

Preferably, the number of the thread sleeves is two, the two thread sleeves are symmetrical by taking the central axis of the push rod as a symmetry axis all the time, and the internal threads of the two thread sleeves are reverse threads.

Preferably, the inside of the top barrel is empty, and the maximum diameter of the inner wall of the top barrel is smaller than the diameter of the valve spring.

Preferably, the outer surface of the L-shaped rocker is provided with a non-slip mat.

(III) advantageous effects

The utility model provides a diesel engine valve spring extracting tool. The method has the following beneficial effects:

1. this diesel engine valve spring extracting tool, through setting up threaded rod and hollow slab, can make the bracing piece insert in the recess on diesel engine valve spring next door, through setting up L type rocker, can make the rotation axis rotate, through setting up the rotation axis, can make two thread bush to the rotation axis center removal, through setting up the connecting rod, can make the ejector pad lapse, through setting up the top tube, thereby can make valve spring press down the fixed column, then the workman just can carry out remaining operation through both hands, thereby can solve the workman and press the discomfort on the health that brings for a long time, staff's safety has been guaranteed.

2. This diesel engine valve spring extracting tool through setting up first bearing and second bearing, can make the rotation axis rotate more convenient, through setting up the through-hole, makes the push rod downstream more convenient, through setting up the spring, can prevent that valve spring from popping out and hindering the staff, through setting up the screw thread, can make the thread bush remove to make the push rod move down and push down gas spring, thereby make gas spring dismantle conveniently, need not the staff press down gas spring always and dismantle.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of B in fig. 2 according to the present invention.

The device comprises a cross rod 1, a first support column 2, a threaded rod 3, a fixed column 4, a hollow plate 5, a support rod 6, a push rod 7, an ejection cylinder 8, an inverted U-shaped rod 9, a rotating shaft 10, a threaded sleeve 11, a thread 12, a second support column 13, a connecting rod 14, a third support column 15, a push block 16, a stop block 17, an L-shaped rocker 18, a limiting plate 19, a spring 20, a through hole 21, a first bearing 22 and a second bearing 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a diesel engine valve spring extracting tool, as shown in figure 1-4, including a cross rod 1, the lower surface of the left end of the cross rod 1 is fixedly connected with a first supporting column 2, the end of the first supporting column 2, which is far away from the cross rod 1, is inserted with a fixed column 4, the outer wall of the fixed column 4 is sleeved with a threaded rod 3, the fixed column 4 is arranged, the threaded rod 3 can rotate, the thread surface of the threaded rod 3 is connected with a hollow plate 5 through threads, the hollow plate 5 is arranged, the hollow plate 5 rotates on the threaded rod 3, thereby being capable of extending, one end of the threaded rod 3, which is positioned inside the hollow plate 5, is fixedly connected with a limiting plate 19, the limiting plate 19 is arranged, the threaded rod 3 can be prevented from being separated from the hollow plate 5, the lower surface of the hollow plate 5 is fixedly connected with a supporting rod 6, the supporting rod 6, a push rod 7 is inserted in a position of the cross rod 1, which is located on a symmetry line of the inverted U-shaped rod 9, a top barrel 8 is fixedly installed at the bottom end of the push rod 7, the push rod 7 is arranged, the top barrel 8 can press a gas spring, a push block 16 is fixedly connected to the top end of the push rod 7, the push block 16 is arranged, the push rod 7 is driven to move downwards, a spring 20 is sleeved on the outer surface of one end, which is located inside the inverted U-shaped rod 9, of the push rod 7, the spring 20 is arranged, the gas spring cannot bounce to hurt people when being taken out, both ends of the spring 20 are fixedly connected with the push block 16 and the cross rod 1, second support columns 13 are fixedly installed on both side surfaces of the push block 16, one ends, which are far away from the push block 16, of the two second support columns 13 are hinged with a connecting rod 14, the connecting rod 14 is arranged, the push block 16 can move downwards, a rotating shaft 10, an L-shaped rocker 18 is arranged to enable the rotating shaft 10 to rotate, a thread 12 is arranged on the outer surface of the rotating shaft 10, two stop blocks 17 are fixedly installed at positions, located at two ends of the thread 12, of the rotating shaft 10, a thread sleeve 11 is in threaded connection with a thread surface of the thread 12, the stop blocks 17 are arranged to prevent the thread sleeve 11 from being separated from the thread 12, a third support column 15 is fixedly connected to the lower surface of the thread sleeve 11, one end, far away from the thread sleeve 11, of the third support column 15 is hinged to one end, far away from a second support column 13, of a connecting rod 14, the thread sleeve 11 is arranged to enable the connecting rod 14 to drive a push block 16 to move downwards, a first bearing 22 and a second bearing 23 are embedded at the position, located on the rotating shaft 10, of the inverted U-shaped rod 9, the first bearing 22 and the second bearing 23 are both sleeved on the outer, and the distance that push rod 7 reciprocated equals with the distance that threaded sleeve 11 removed about, it is convenient to make push rod 7 reciprocate, the quantity of threaded sleeve 11 is two, and two threaded sleeves 11 use the axis of push rod 7 as the symmetry axis symmetry all the time, and the internal thread of two threaded sleeves 11 is reverse screw thread, make two threaded sleeves 11 all move to the horizontal direction of symmetry line, the inside of ejector sleeve 8 is empty, and the maximum diameter of the inner wall of ejector sleeve 8 is less than the diameter of valve spring, make ejector sleeve 8 push down the gas spring, conveniently take out the nut of fixed gas spring, the surface of L type rocker 18 is provided with the slipmat, make it can not skid when waveing L type rocker 18.

The working principle is as follows: when the gas spring is dismantled to diesel engine gas spring extracting tool, make bracing piece 6 fix in the recess on gas spring next door, then make top cylinder 8 aim at gas spring, rotate L type rocker 18, rotation axis 10 rotates, then screw thread 12 on the rotation axis 10 can drive the direction horizontal migration of the 11 symmetrical line of thread bush, then ejector pad 16 can be at second support column 13, connecting rod 14 and third support column 15's effect is downstream, then push rod 7 can make top cylinder 8 downstream, then top cylinder 8 can press a post gas spring, then just can take out fixed gas spring's nut, then take out gas spring.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a diesel engine valve spring extracting tool, includes horizontal pole (1), its characterized in that: the lower surface of the left end of the cross rod (1) is fixedly connected with a first supporting column (2), one end, far away from the cross rod (1), of the first supporting column (2) is inserted with a fixing column (4), the outer wall of the fixing column (4) is sleeved with a threaded rod (3), the threaded surface of the threaded rod (3) is in threaded connection with a hollow plate (5), one end, located inside the hollow plate (5), of the threaded rod (3) is fixedly connected with a limiting plate (19), and the lower surface of the hollow plate (5) is fixedly connected with a supporting rod (6); the upper surface of one end, far away from the first supporting column (2), of the cross rod (1) is fixedly connected with an inverted U-shaped rod (9), the position, located on the symmetry line of the inverted U-shaped rod (9), of the cross rod (1) is spliced with a push rod (7), the bottom end of the push rod (7) is fixedly provided with a top barrel (8), the top end of the push rod (7) is fixedly connected with a push block (16), the outer surface, located at one end inside the inverted U-shaped rod (9), of the push rod (7) is sleeved with a spring (20), two ends of the spring (20) are fixedly connected with the push block (16) and the cross rod (1), two side faces of the push block (16) are fixedly provided with second supporting columns (13), one ends, far away from the push block (16), of the two second supporting columns (13) are hinged with a connecting rod (14), the inverted U-shaped rod (9) is spliced with a rotating shaft (10), one end, located outside the inverted U-shaped rod (9, screw thread (12) are seted up to the surface of rotation axis (10), the fixed position that rotation axis (10) is located screw thread (12) both ends installs two dog (17), the thread face threaded connection of screw thread (12) has thread bush (11), the lower fixed surface of thread bush (11) is connected with third support column (15), the one end that thread bush (11) were kept away from in third support column (15) is articulated mutually with the one end that second support column (13) were kept away from in connecting rod (14).

2. The tool for disassembling the valve spring of the diesel engine according to claim 1, wherein: the inverted U-shaped rod (9) is embedded with a first bearing (22) and a second bearing (23) at the position of the rotating shaft (10), and the first bearing (22) and the second bearing (23) are sleeved on the outer surface of the rotating shaft (10).

3. The tool for disassembling the valve spring of the diesel engine according to claim 1, wherein: the through hole (21) is formed in the position, located on the push rod (7), of the cross rod (1), and the up-and-down moving distance of the push rod (7) is equal to the left-and-right moving distance of the threaded sleeve (11).

4. The tool for disassembling the valve spring of the diesel engine according to claim 1, wherein: the number of the thread sleeves (11) is two, the two thread sleeves (11) are symmetrical by taking the central axis of the push rod (7) as a symmetry axis all the time, and the internal threads of the two thread sleeves (11) are reverse threads.

5. The tool for disassembling the valve spring of the diesel engine according to claim 1, wherein: the inside of the top cylinder (8) is hollow, and the maximum diameter of the inner wall of the top cylinder (8) is smaller than the diameter of the valve spring.

6. The tool for disassembling the valve spring of the diesel engine according to claim 1, wherein: and the outer surface of the L-shaped rocker (18) is provided with a non-slip mat.