CN210616363U

CN210616363U - Valve seat insert assembly and disassembly tools

Info

Publication number: CN210616363U
Application number: CN201921306931.9U
Authority: CN
Inventors: 李春青; 蒙日顺; 谭艳
Original assignee: Guangxi University of Science and Technology
Current assignee: Liuzhou Huachuang Automobile Design Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-26
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a valve seat ring assembly and disassembly tool, which comprises a screw rod, a pulling claw and a pulling block, wherein the screw rod is sequentially provided with a nut A, a support frame and a nut B, the screw rod is respectively in threaded connection with the nut A and the nut B, and the support frame is sleeved on the screw rod and can slide on the screw rod; the pull claw is sleeved on the screw rod and located below the nut B, the screw rod is provided with an internal thread, and the pull block is in threaded connection with the screw rod through the internal thread and fixes the pull claw on the screw rod. The utility model provides a valve seat circle assembly and disassembly tools is rational in infrastructure and compact, can be quick, convenient tear open and get the valve seat circle, can not cause the damage to the cylinder body when tearing open and getting in addition, greatly reduce the damage of part, reduce the cost of product, improve and tear open and get seat circle efficiency.

Description

Valve seat insert assembly and disassembly tools

Technical Field

The utility model belongs to the technical field of the valve seat circle and specifically relates to a valve seat circle assembly and disassembly tools is related to.

Background

The valve seat ring is always difficult and important in the maintenance of the cylinder head. In the prior art, a heavy tool is used for completing the process of assembling and disassembling the seat ring in maintenance, at least 2-3 persons are needed in terms of personnel, each valve seat ring takes 10 minutes, and the maintenance is labor-consuming and inefficient.

SUMMERY OF THE UTILITY MODEL

In view of this, the to-be-solved technical problem of the utility model is to provide a valve seat insert assembly and disassembly tools, dismouting valve seat insert that can be quick, convenient.

The utility model adopts the technical proposal that:

a valve seat ring dismounting tool comprises a screw, a pull claw and a pull block, wherein a nut A, a support frame and a nut B are sequentially arranged on the screw, the screw is respectively in threaded connection with the nut A and the nut B, and the support frame is sleeved on the screw and can slide on the screw; the pull claw is sleeved on the screw rod and located below the nut B, the screw rod is provided with an internal thread, and the pull block is in threaded connection with the screw rod through the internal thread and fixes the pull claw on the screw rod.

In order to better realize the utility model, the screw rod is divided into a first section and a second section of screw thread sections with different diameters, the nut A and the support frame are arranged on the first section of screw rod, and the support frame can slide on the first section of screw rod; the nut B is installed on the second section of screw rod, and the internal thread is arranged on the second section of screw rod.

In order to better realize the utility model discloses, draw the claw to constitute by three broach, through drawing claw spring coupling between the broach, and the centre forms and draws the claw through-hole.

In order to better realize the utility model, the pulling claw is conical.

In order to better realize the utility model discloses, draw the piece by drawing a bolt, draw a frustum to constitute, draw a bolt with draw a frustum welding together, draw a bolt with screw rod threaded connection, it is the circular cone piece to draw a frustum.

For better realization the utility model discloses, the support frame includes two pressure-bearing rings of size, two pressure-bearing rings are through two trapezoidal piece fixed connection, two right angle supporting legss of big pressure-bearing ring both sides fixedly connected with.

In order to better realize the utility model discloses, the fixed handle that is equipped with in nut A both sides.

In order to better realize the utility model discloses, the fixed handle that is equipped with in nut B both sides.

The utility model has the advantages that: the utility model provides a valve seat circle assembly and disassembly tools is rational in infrastructure and compact, can be quick, convenient tear open and get the valve seat circle, can not cause the damage to the cylinder body when tearing open and getting in addition, greatly reduce the damage of part, reduce the cost of product, improve and tear open and get seat circle efficiency.

Drawings

FIG. 1 is a schematic structural view of a valve seat ring detaching tool of the present invention;

FIG. 2 is a schematic view of a screw structure;

FIG. 3 is a schematic view of a supporting frame;

FIG. 4 is a schematic structural view of a nut A;

FIG. 5 is a schematic structural view of a nut B;

FIG. 6 is a schematic view of a pull block structure;

FIG. 7 is a schematic view of a pull claw structure;

FIG. 8 is an assembly view;

in the figure: 1-screw rod, 11-I section screw thread section, 12-II section screw thread section, 13-screw rod internal thread, 2-nut A, 21-nut A handle, 3-support frame, 31-pressure-bearing ring, 32-trapezoidal piece, 33-right angle supporting legs, 34-support frame through hole, 4-nut B, 41-nut B handle, 5-pull block, 51-pull block bolt, 52-pull block frustum, 6-pull claw, 61-pull claw spring, 62-pull claw cutter, 63-pull claw through hole.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the valve seat ring dismounting tool comprises a screw rod 1, a pulling claw 6 and a pulling block 5, wherein a nut a2, a support frame 3 and a nut B4 are sequentially installed on the screw rod, as shown in fig. 2, the screw rod 1 is divided into a first section and a second section of thread sections with different diameters, the nut a2 and the support frame 3 are installed on the first section of screw rod 11, the nut a is in threaded connection with the first section of screw rod 11, as shown in fig. 3, the support frame 3 comprises a large pressure-bearing circular ring 31 and a small pressure-bearing circular ring 31, the two pressure-bearing circular rings 31 are fixedly connected through two trapezoidal blocks 32, and two right-angle supporting legs 33 are fixedly connected to two sides of the large; the support frame 3 is sleeved on the section I screw rod 11 through the large and small pressure-bearing rings 31 and located below the nut A2, the support frame 3 can slide on the section I screw rod 11, a partition is arranged at the joint of the section I and the section II, and the support frame 3 cannot move onto the section II screw rod 12; the II-section screw 12 is in threaded connection with a nut B4.

As shown in fig. 7, the pulling claw 6 is conical, the pulling claw 6 is composed of three pulling claw knives 62, the pulling claw knives 62 are connected through pulling claw springs 61, and a pulling claw through hole 63 is formed in the middle; the pull claw 6 is sleeved on the II-section screw 12 through a pull claw through hole 63 and is positioned below the nut B4.

As shown in fig. 2, the second-section screw 12 is provided with an internal thread 13, as shown in fig. 6, the pull block 5 is composed of a pull block bolt 51 and a pull block frustum 52, the pull block bolt 51 is welded with the pull block frustum 52, the pull block bolt 51 is in threaded connection with the screw, the pull block frustum 52 is a conical block, the pull block 5 is in threaded connection with the second-section screw 12 through the internal thread 13 through the pull block bolt 51, and the diameter of the pull block frustum 52 is larger than that of the pull claw through hole to fix the pull claw 6 on the second-section screw 12.

As shown in fig. 4, handles 21 are fixedly arranged on both sides of the nut a 2.

As shown in fig. 5, handles 41 are fixedly arranged on both sides of the nut B4.

As shown in fig. 8, during installation, the nut B is screwed into the second-stage threaded section of the screw, the pull claw with a proper diameter is selected, the pull claw is fixed at the lower end of the screw by the pull block, the support frame is sleeved into the first-stage threaded section of the screw during pulling, and the nut a is screwed into the first-stage threaded section of the screw.

When the valve seat ring dismounting device is used, the pulling claw is fixed below the screw rod by the pulling block, the diameter of the pulling claw is expanded by screwing the nut B downwards until the valve seat ring is clamped, then the screw rod is sleeved in the support frame from top to bottom until the right-angle support leg supports the cylinder body, finally the nut A is screwed in the upper end of the screw rod, and when the nut A is screwed straight on the support frame pressure-bearing ring, the screw rod can be lifted to move by continuously rotating the nut A, so that the valve seat ring is dismounted.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The valve seat ring dismounting tool is characterized by comprising a screw, a pulling claw and a pulling block, wherein a nut A, a support frame and a nut B are sequentially arranged on the screw, the screw is respectively in threaded connection with the nut A and the nut B, and the support frame is sleeved on the screw and can slide on the screw; the pull claw is sleeved on the screw rod and located below the nut B, the screw rod is provided with an internal thread, and the pull block is in threaded connection with the screw rod through the internal thread and fixes the pull claw on the screw rod.

2. The valve seat insert disassembly and assembly tool of claim 1, wherein the screw is divided into two sections of thread sections, i section and ii section, with different diameters, the nut a and the support frame are mounted on the screw section i, and the support frame can slide on the screw section i; the nut B is installed on the second section of screw rod, and the internal thread is arranged on the second section of screw rod.

3. The valve seat insert disassembly and assembly tool of claim 1 or 2, wherein the pull tab is composed of three pull tab cutters, the pull tab cutters are connected through a pull tab spring, and a pull tab through hole is formed in the middle.

4. A valve seat insert removal tool according to claim 3, wherein said pull tab is conical.

5. The valve seat insert disassembly and assembly tool of claim 1 or 2, wherein the pull block is composed of a pull block bolt and a pull block frustum, the pull block bolt and the pull block frustum are welded together, the pull block bolt is in threaded connection with the screw, and the pull block frustum is a conical block.

6. The valve seat ring dismounting tool according to claim 1 or 2, wherein the support frame comprises two large and small pressure-bearing rings, the two pressure-bearing rings are fixedly connected through two trapezoidal blocks, and two right-angle supporting legs are fixedly connected to two sides of the large pressure-bearing ring.

7. The valve seat insert mounting and dismounting tool according to claim 1 or 2, wherein handles are fixedly arranged on two sides of the nut A.

8. The valve seat insert mounting and dismounting tool according to claim 1 or 2, wherein handles are fixedly arranged on two sides of the nut B.