CN208330703U - A kind of ceramic plunger that stability is high - Google Patents

A kind of ceramic plunger that stability is high Download PDF

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Publication number
CN208330703U
CN208330703U CN201820913682.9U CN201820913682U CN208330703U CN 208330703 U CN208330703 U CN 208330703U CN 201820913682 U CN201820913682 U CN 201820913682U CN 208330703 U CN208330703 U CN 208330703U
Authority
CN
China
Prior art keywords
plunger
fixed column
locating slot
plunger rod
bushing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820913682.9U
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Chinese (zh)
Inventor
陈家渝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Xin Lu Xiongjian Cheerful Agriculture Machinery Corp
Original Assignee
Zhejiang Xin Lu Xiongjian Cheerful Agriculture Machinery Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Xin Lu Xiongjian Cheerful Agriculture Machinery Corp filed Critical Zhejiang Xin Lu Xiongjian Cheerful Agriculture Machinery Corp
Priority to CN201820913682.9U priority Critical patent/CN208330703U/en
Application granted granted Critical
Publication of CN208330703U publication Critical patent/CN208330703U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to plunger pump fields, more particularly to a kind of ceramic plunger that stability is high, including plunger rod and the plunger bushing being set on plunger rod, plunger bushing is equipped with ceramic layer, it is also opposite on plunger rod to be equipped with the first fixed column and the second fixed column, first fixed column and the second fixed column are equipped with limiting device, and limiting device includes the limit hole in the first fixed column and the second fixed column, are equipped with spring and ball in limit hole;Plunger bushing is equipped with positioning device, and the utility model has stability higher, the characteristics of being easily installed.

Description

A kind of ceramic plunger that stability is high
Technical field
The utility model relates to plunger pump fields, and in particular to a kind of ceramic plunger that stability is high.
Background technique
Existing plunger using more, and due to its special working environment, generally require special material.In the past Plunger is all to use specific alloy, but due to its higher cost, gradually replaced later by ceramic plunger.It includes metal column Plug body, structure are inlaid in ceramic tube in metal plunger body outer surface coated ceramic layer or by metal plunger ontology. The wearability of this plunger is preferable, and service life is also longer, and production cost is relatively low.But metal plunger ontology is inlaid in pottery The ceramic plunger produced in porcelain tube is under prolonged use, since factors, the plunger bushings such as heated, pressure, corrosion are often steady Qualitative poor, to lead to the problem of, easy loosening, fall off generation.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of ceramics poles that stability is high Plug.
To achieve the above object, the utility model provides following technical solution: including plunger rod and being set in plunger rod On plunger bushing, plunger bushing is equipped with ceramic layer, and also opposite on plunger rod to be equipped with the first fixed column and the second fixed column, first is solid Fixed column and the second fixed column are equipped with limiting device, and limiting device includes the limit in the first fixed column and the second fixed column Hole, limit hole is interior to be equipped with spring and ball;
Plunger bushing is equipped with positioning device, and positioning device includes the shifting chute and locating slot being connected, and shifting chute includes the One shifting chute and the second shifting chute, first movement slot and the first fixed column match, the second shifting chute and the second fixed column phase Match, locating slot includes the first locating slot and the second locating slot, and the first locating slot is connected with first movement slot, the second locating slot and Second shifting chute is connected, and location hole compatible with ball is equipped in the first locating slot and the second locating slot.
Further, it is additionally provided with fixation hole on plunger bushing, sealing rubber layer is equipped in fixation hole, is equipped in fixation hole by plunger The screw that bar is fixedly connected with plunger bushing.
Further, it is additionally provided with dashpot on plunger rod, is equipped with buffering ring in dashpot.
The deficiencies in the prior art are compared, the utility model has the advantages that when in use brought by technical solution provided by the utility model, Plunger rod is protruded into plunger bushing, the first fixed column and the second fixed column are located at first movement slot and the second shifting chute at this time It is interior, plunger rod is pushed, so that plunger rod moves in the vertical direction, and when plunger rod is moved to suitable position, column spinner stopper rod, So that the first fixed column and the second fixed column are respectively moved in the first locating slot and the second locating slot, therefore when in use, the The presence of one fixed column and the second fixed column makes it possible in the horizontal direction play plunger bushing fixed effect, while location hole Presence but also the vibration that the first fixed link and the second fixed link generate when will not be because of work, and occur in the horizontal direction Displacement, avoids the problem of plunger bushing falls off from plunger rod, so that the stability of ceramic plunger is higher, while spring In the presence of also can play a buffer role in, when plunger bushing shakes, it can effectively alleviate vibration amplitude, avoiding plunger bushing and column Stopper rod collides and causes the problem of wearing.
Detailed description of the invention
Fig. 1 is the plunger rod cross-sectional view of the utility model.
Fig. 2 is the plunger bushing cross-sectional view of the utility model.
Fig. 3 is the plunger bushing schematic diagram of internal structure of the utility model.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be merely to illustrate and explain the present invention, is not used to limit the utility model.
- Fig. 3 is described further the utility model referring to Fig.1.
A kind of ceramic plunger that stability is high, including plunger rod 1 and the plunger bushing 2 being set on plunger rod 1, plunger bushing 2 It is equipped with ceramic layer, is also equipped with the first fixed column 11 and the second fixed column 12, the first fixed column 11 and second relatively on plunger rod 1 Fixed column 12 is equipped with limiting device, and limiting device includes the limit hole in the first fixed column 11 and the second fixed column 12, Spring 13 and ball 14 are equipped in limit hole;
Plunger bushing 2 is equipped with positioning device, and positioning device includes the shifting chute and locating slot being connected, and shifting chute includes the One shifting chute 21 and the second shifting chute 22, first movement slot 21 and the first fixed column 11 match, the second shifting chute 22 and second Fixed column 12 matches, and locating slot includes the first locating slot 211 and the second locating slot, the first locating slot 211 and first movement slot 21 are connected, and the second locating slot and the second shifting chute 22 are connected, and are equipped in the first locating slot 211 and the second locating slot and ball Compatible location hole 212;When in use, plunger rod 1 is protruded into plunger bushing 2, the first fixed column 11 and second is fixed at this time Column 12 is located in first movement slot 21 and the second shifting chute 22, plunger rod 1 is pushed, so that plunger rod 1 is in the vertical direction It is mobile, when plunger rod 1 is moved to suitable position, column spinner stopper rod 1, so that the first fixed column 11 and the second fixed column 12 difference It is moved in the first locating slot 211 and the second locating slot, therefore when in use, the first fixed column 11 and the second fixed column 12 are deposited Making it possible in the horizontal direction play plunger bushing 2 fixed effect, while the presence of location hole 212 is but also first is fixed The vibration that bar 11 and the second fixed link 12 generate when will not be because of work, and be subjected to displacement in the horizontal direction, avoid plunger The problem of set 2 falls off from plunger rod 1, so that the stability of ceramic plunger is higher, while the presence of spring 13 can also rise Vibration amplitude can effectively be alleviated when plunger bushing 2 shakes to buffer function, plunger bushing 2 and plunger rod 1 is avoided to send out Life collides and causes the problem of wearing;The presence of ball 14 is but also the first fixed link 11 and the second fixed link 12 exist simultaneously It is more laborsaving when being moved in shifting chute and locating slot, so that installation is more convenient, improve installation effectiveness.
Further, it is additionally provided with fixation hole 23 on plunger bushing 2, is equipped with sealing rubber layer 24 in fixation hole 23, in fixation hole 23 Equipped with the screw for being fixedly connected with plunger rod 1 with plunger bushing 2, by screw fixed column plug sleeve 2 and plunger rod 1, so that plunger bushing 2 It is higher with the stability of plunger rod 1, while the presence of fixation hole 23 protrude from screw will not outside plunger bushing 2, seal simultaneously The presence of rubber layer 24 to prevent the impurity such as extraneous clast to enter at work so that plunger bushing 2 and plunger rod 1 it Between will not because of impurity entrance and generate abrasion, extend the service life of plunger, at the same also can effectively alleviate because shake The problem of moving and screw caused to fall off.
Further, it is additionally provided with dashpot on plunger rod 1, is equipped with buffering ring 15 in dashpot, the presence of buffering ring 15 makes Combination between plunger rod 1 and plunger bushing 2 more closely avoids foreign matter from entering, but also when plunger bushing 2 shakes, Vibration can effectively be alleviated, and avoid the problem that plunger bushing 2 and plunger rod 1 occur direct collision and wear aggravation to caused by Occur.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model It protects in range.

Claims (3)

1. a kind of ceramic plunger that stability is high, it is characterised in that: including plunger rod and the plunger bushing being set on plunger rod, institute The plunger bushing stated is equipped with ceramic layer, is also equipped with the first fixed column and the second fixed column on the plunger rod relatively, described First fixed column and the second fixed column are equipped with limiting device, and the limiting device includes solid positioned at the first fixed column and second Limit hole on fixed column, the limit hole is interior to be equipped with spring and ball;The plunger bushing is equipped with positioning device, described Positioning device includes the shifting chute and locating slot being connected, and the shifting chute includes first movement slot and the second shifting chute, institute The first movement slot and the first fixed column stated match, and second shifting chute and the second fixed column match, and described determines Position slot includes the first locating slot and the second locating slot, and first locating slot is connected with first movement slot, and described second Locating slot and the second shifting chute are connected, and positioning compatible with ball is equipped in first locating slot and the second locating slot Hole.
2. a kind of high ceramic plunger of stability according to claim 1, it is characterised in that: also set on the plunger bushing There is fixation hole, sealing rubber layer is equipped in the fixation hole, is equipped in the fixation hole and fixes plunger rod and plunger bushing The screw of connection.
3. a kind of high ceramic plunger of stability according to claim 1, it is characterised in that: also set on the plunger rod There is dashpot, is equipped with buffering ring in the dashpot.
CN201820913682.9U 2018-06-13 2018-06-13 A kind of ceramic plunger that stability is high Expired - Fee Related CN208330703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820913682.9U CN208330703U (en) 2018-06-13 2018-06-13 A kind of ceramic plunger that stability is high

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820913682.9U CN208330703U (en) 2018-06-13 2018-06-13 A kind of ceramic plunger that stability is high

Publications (1)

Publication Number Publication Date
CN208330703U true CN208330703U (en) 2019-01-04

Family

ID=64770732

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820913682.9U Expired - Fee Related CN208330703U (en) 2018-06-13 2018-06-13 A kind of ceramic plunger that stability is high

Country Status (1)

Country Link
CN (1) CN208330703U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

CF01 Termination of patent right due to non-payment of annual fee