CN102744705B - Automobile P-shaped pump plunger snap ring dismounting tool - Google Patents

Abstract

A tool for disassembling and assembling a snap ring of a plunger piston of an automobile P-type pump comprises a core rod 5 and an installation elastic sleeve 6, wherein the core rod 5 is cylindrical, a conical round table 51 and a top 52 are arranged at the lower end of the core rod, the installation elastic sleeve 6 is a hollow round pipe, a guide sleeve 61 is arranged at the upper end of the installation elastic sleeve, an elastic sleeve 62 is arranged at the lower end of the installation elastic sleeve, a longitudinal long groove 63 is formed in the elastic sleeve 62, and the wall thickness of the guide sleeve is larger than that of the. Due to the design, compared with the traditional manual assembling and disassembling, the plunger assembling and disassembling tool does not damage the precise working surface and the deep hole of the plunger, and has the advantages of flexible use, simple operation, low labor intensity, high assembling and disassembling efficiency and the like.

Description

Automotive P-type pump plunger snap ring disassembly tool

technical field

The invention relates to a special deep-hole snap ring disassembly tool, in particular to a P-type pump plunger snap ring disassembly tool.

Background technique

At present, in the prior art, there is no deep hole snap ring dismounting tool for manual operation. There is a plunger 2 and a spring pad 3 in the deep hole of the pump body 1 of the automobile P-type pump, and there is a snap ring 4 on the plunger 2 (as shown in Figure 1). The existing mode of disassembling snap ring 4 in pump body 1 deep hole is: adopt conventional tools such as screwdriver, pliers to manually disassemble snap ring 4 in pump body 1 deep hole. Because there is not much space for disassembling snap ring 4 in the deep hole of pump body 1, it is quite difficult to disassemble snap ring 4, and it is also afraid of damaging the precise working surface of plunger 2 and the inner wall of pump body 1 deep hole, which is inconvenient and wasteful. time.

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a kind of disassembly and assembly convenience, high disassembly and assembly efficiency, also can not scratch the automotive P-type pump plunger clasp dismounting tool of deep hole.

The technical scheme of the present invention is: a kind of automobile P-type pump plunger clasp dismantling tool, is made up of stamen rod and installation elastic sleeve, and the lower end of stamen rod has conical round table and plug, and installation elastic sleeve is hollow circular tube, and its lower end It is an elastic sleeve, and the elastic sleeve has longitudinal long grooves.

The further technical solution of the present invention is: the stamen is cylindrical.

A further technical solution of the present invention is: the upper end of the elastic sleeve is installed as a guide sleeve.

A further technical solution of the present invention is: the wall thickness of the guide sleeve is greater than the wall thickness of the elastic sleeve.

Due to the above design, the present invention does not damage the precise working surface and deep hole of the plunger compared with the traditional manual disassembly and assembly, and has the advantages of flexible use, simple operation, low labor intensity, and high disassembly and assembly efficiency.

The details of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a structural schematic diagram of a P-type pump body of an automobile;

Fig. 2 is a structural representation of the present invention;

Fig. 3 is a schematic diagram of the disassembly process of the snap ring of the present invention;

Fig. 4 is a schematic diagram of the disassembled snap ring of the present invention.

Fig. 5 is the schematic diagram of snap ring installation state I of the present invention;

Fig. 6 is a schematic diagram of the installation state II of the snap ring of the present invention;

Fig. 7 is a schematic diagram of the installation process of the snap ring of the present invention;

Fig. 8 is a schematic view of the snap ring of the present invention after installation.

Detailed ways

As shown in Figure 2: a kind of automobile P-type pump plunger snap ring dismounting tool, is made up of stamen rod 5 and installation elastic sleeve 6, and stamen rod 5 is cylindrical, and its lower end has conical round table 51 and top 52, installs Elastic sleeve 6 is a hollow tube, its upper end is guide sleeve 61, and the lower end is elastic sleeve 62, and longitudinal slot 63 is arranged on elastic sleeve 62, and the wall thickness of guide sleeve is greater than the wall thickness of elastic sleeve.

Using method and operation process of the present invention are:

When it is necessary to disassemble the plunger snap ring of the automobile P-type pump, put the present invention into the deep hole of the pump body 1, and use the top 52 of the core rod 5 to withstand the plunger 2 to move downward (as shown in Figure 3), And the snap ring 4 on the plunger 2 is blocked by the spring pad 3 in the deep hole of the pump body 1, breaks away from the plunger 2 and is placed on the conical round table 51 of the core rod 5, thereby easily removing the snap ring 4 from the plunger. 2 (as shown in Figure 4);

When it is necessary to install the automobile P-type pump plunger snap ring 4, at first the snap ring 4 is set on the core rod 5 of the present invention (as shown in Figure 5), and then the elastic sleeve 6 of the present invention is set on the core rod 5 of the present invention. , and push the snap ring 4 onto the conical round platform 51 at the lower end of the core rod 5 (as shown in Figure 6), then put the present invention into the deep hole of the pump body 1, and use the top 52 of the core rod 5 to withstand the column The plug 2 makes it move downward (as shown in Figure 7), and the snap ring 4 on the conical round platform 51 is pushed against the spring pad 3 by the elastic sleeve 62 at the lower end of the elastic sleeve 6 installed in the present invention, so as to keep the elastic sleeve 6 installed in the This position does not move, lift the stamen 5 upwards, so that the snap ring 4 slides down into the snap ring groove of the plunger 2 (as shown in Figure 8), so that the snap ring 4 can be installed on the plunger 2 conveniently.

Claims (1)

1. a kind of automobile p-type pump plunger snap ring dismantling device, it is characterized in that being made up of stamen bar and installation resilient sleeve, stamen bar lower end has Conical round table and top, installation resilient sleeve are hollow circular-tube, and its lower end is resilient sleeve, has longitudinal elongated slot in resilient sleeve；Stamen bar For cylinder；It is guide sleeve to install elastic set upper side；The wall thickness of guide sleeve is more than the wall thickness of resilient sleeve；

When needing to dismantle automobile p-type pump plunger snap ring, automobile p-type pump plunger snap ring dismantling device is put into pump housing deep hole, Plunger is withstood with the top of stamen bar to be allowed to move down, and the snap ring on plunger is by the spring pad in the deep hole of the pump housing 1 due to being blocked, Depart from plunger and be enclosed in the conical round table of stamen bar, so as to easily take apart snap ring from plunger；

When needing to install automobile p-type pump plunger snap ring, snap ring is sleeved on stamen bar first, then installation resilient sleeve is sleeved on On stamen bar, and by snap ring passage to the conical round table of stamen bar lower end, then automobile p-type pump plunger snap ring dismantling device is put into In pump housing deep hole, withstand plunger with the top of stamen bar and be allowed to move down, the snap ring in conical round table is then mounted under resilient sleeve The resilient sleeve at end is withstood on spring pad, keeps installation resilient sleeve motionless at this, stamen bar is up carried, snap ring is slipped to post In the annular groove of plug, so that easily by snap ring mounting post beyond the Great Wall.