CN207315768U - Pressurizing cylinder - Google Patents

Pressurizing cylinder Download PDF

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Publication number
CN207315768U
CN207315768U CN201720315603.XU CN201720315603U CN207315768U CN 207315768 U CN207315768 U CN 207315768U CN 201720315603 U CN201720315603 U CN 201720315603U CN 207315768 U CN207315768 U CN 207315768U
Authority
CN
China
Prior art keywords
piston
contact surface
high pressure
oil
cylinder body
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.)
Withdrawn - After Issue
Application number
CN201720315603.XU
Other languages
Chinese (zh)
Inventor
汪立平
邱永宁
苏雪平
袁飞
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.)
Jiangsu Hengli Hydraulic Co Ltd
Original Assignee
Jiangsu Hengli Hydraulic Co Ltd
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 Jiangsu Hengli Hydraulic Co Ltd filed Critical Jiangsu Hengli Hydraulic Co Ltd
Priority to CN201720315603.XU priority Critical patent/CN207315768U/en
Application granted granted Critical
Publication of CN207315768U publication Critical patent/CN207315768U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of pressurizing cylinder, including cylinder body, piston is equipped with the cylinder body, cylinder interior is divided into low pressure chamber and high pressure chest by the piston, sealing structure is formed between the cylinder body, piston, low pressure chamber and high pressure chest, the cylinder body is equipped with the first hydraulic fluid port connected with low pressure chamber and the multiple oil outlets connected with high pressure chest, and the first hydraulic fluid port oil inlet promotes piston motion to make it promote the fluid in high pressure chest to form high pressure from oil outlet outflow.By the above-mentioned means, the utility model pressurizing cylinder, can reduce test period, meet experiment demand, simple in structure, service life length.

Description

Pressurizing cylinder
Technical field
Oil cylinder field is the utility model is related to, more particularly to a kind of pressurizing cylinder.
Background technology
The power that existing 2P cylinder benchs use is hydraulic pump, and output maximum pressure is 35MPa, and hydraulic cylinder is maximum Operating pressure also can reach 35MPa or so, so the system output pressure needed when being tested as 2P is 70MPa.Without using increasing Cylinder pressure cannot meet test requirements document.35MPa, oil cylinder test life time are can only achieve without using system pressure during pressurizing cylinder It is long.
The content of the invention
The utility model can reduce test period mainly solving the technical problems that provide a kind of pressurizing cylinder, meet Experiment demand, simple in structure, service life length.
In order to solve the above technical problems, the technical solution that the utility model uses is:A kind of pressurizing cylinder is provided, is wrapped Cylinder body is included, is equipped with piston in the cylinder body, cylinder interior is divided into low pressure chamber and high pressure chest, the cylinder body, work by the piston Form sealing structure between plug, low pressure chamber and high pressure chest, the cylinder body be equipped with the first hydraulic fluid port for being connected with low pressure chamber and with Multiple oil outlets of high pressure chest connection, the first hydraulic fluid port oil inlet promote piston motion to make it promote the fluid in high pressure chest to be formed High pressure is flowed out from oil outlet.
In one preferred embodiment of the utility model, the contact surface of the piston and the hydraulic oil in low pressure chamber is first Contact surface, the contact surface of the hydraulic oil in piston and high pressure chest be the second contact surface, and the area of first contact surface is more than the The area of two contact surfaces.
In one preferred embodiment of the utility model, the area of first contact surface is the area of the second contact surface 3 times, the pressure of the hydraulic oil of the oil outlet is 3 times of the hydraulic oil pressure of the first hydraulic fluid port.
In one preferred embodiment of the utility model, be additionally provided with the second hydraulic fluid port on the cylinder body, second hydraulic fluid port into Entering hydraulic oil promotes piston motion it is promoted the hydraulic oil oil return in low pressure chamber.
In one preferred embodiment of the utility model, the contact surface for the hydraulic oil that the piston enters with the second hydraulic fluid port is 3rd contact surface, the area of second contact surface are less than the area of the 3rd contact surface.
In one preferred embodiment of the utility model, closing chamber is equipped with the low pressure chamber, the piston is equipped with slow Rush column, the piston is promoted by the hydraulic oil of the second hydraulic fluid port makes bumper post enter in closing chamber, and bumper post and closing chamber it Between there is gap to reduce piston movement speed.
In one preferred embodiment of the utility model, the quantity of the oil outlet is 2.
In one preferred embodiment of the utility model, the piston and cylinder interior are equipped with the first seal assembly and second Seal assembly, first seal assembly are located at high pressure chest side, and second seal assembly is arranged on piston one end.
In one preferred embodiment of the utility model, first seal assembly includes from left to right being successively set on cylinder The first guide ring, bar sealing ring and bumper ring on body.
In one preferred embodiment of the utility model, second seal assembly includes the second guiding being arranged on piston Ring and hole sealing ring.
The beneficial effects of the utility model are:The utility model pressurizing cylinder, can reduce test period, meet experiment need Ask, simple in structure, service life length.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Other attached drawings are obtained, wherein:
Fig. 1 is the structure diagram of one preferred embodiment of the utility model pressurizing cylinder;
Fig. 2 is another working state schematic representation of pressurizing cylinder shown in Fig. 1;
Fig. 3 is the partial structural diagram of pressurizing cylinder shown in Fig. 1;
Fig. 4 is the partial structural diagram of pressurizing cylinder shown in Fig. 1;
Fig. 5 is the partial structural diagram of pressurizing cylinder shown in Fig. 1;
The mark of each component is as follows in attached drawing:1st, cylinder body, 2, piston, 3, low pressure chamber, 4, high pressure chest, the 5, first hydraulic fluid port, 6, Oil outlet, the 7, first contact surface, the 8, second contact surface, the 9, second hydraulic fluid port, the 10, the 3rd contact surface, 11, closing chamber, 12, buffering Column, the 13, first seal assembly, the 14, second seal assembly, the 131, first guide ring, 132, bar sealing ring, 133, bumper ring, 141st, the second guide ring, 142, hole sealing ring.
Embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only the part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained without making creative work, belongs to The scope of the utility model protection.
Referring to Fig. 1, a kind of pressurizing cylinder, including cylinder body 1, piston 2 is equipped with cylinder body 1, piston 2 is by 1 inside points of cylinder body Low pressure chamber 3 and high pressure chest 4 are segmented into, sealing structure is formed between cylinder body 1, piston 2, low pressure chamber 3 and high pressure chest 4, cylinder body 1 is equipped with The first hydraulic fluid port 5 connected with low pressure chamber 3 and 2 oil outlets 6 connected with high pressure chest 4,5 oil inlet of the first hydraulic fluid port promote piston 2 Movement makes it promote the fluid in high pressure chest 4 to form high pressure from oil outlet outflow.
In addition, the contact surface of piston 2 and the hydraulic oil in low pressure chamber 3 is the first contact surface 7, in piston 2 and high pressure chest 4 The contact surface of hydraulic oil is the second contact surface 8, and the area A1 of the first contact surface 7 is more than the area A2 of the second contact surface 8.First connects The area of contacting surface 7 is 3 times of the area of the second contact surface 8, and the pressure of the hydraulic oil of oil outlet 6 is the hydraulic oil of the first hydraulic fluid port 5 3 times of pressure.
In addition, being additionally provided with the second hydraulic fluid port 9 on cylinder body 1, the second hydraulic fluid port 9 enters hydraulic oil and promotes the movement of piston 2 to make its promotion Hydraulic oil oil return in low pressure chamber 3.The contact surface for the hydraulic oil that 2 and second hydraulic fluid port 9 of piston enters is the 3rd contact surface 10, the 3rd The area of contact surface 10 is less than the area of the first contact surface 7.
In addition, being equipped with closing chamber 11 in low pressure chamber 3, piston 2 is equipped with bumper post 12, hydraulic pressure of the piston 2 by the second hydraulic fluid port Oil, which promotes, makes bumper post enter in closing chamber 11, and there is gap to reduce piston motion between bumper post 12 and closing chamber 11 Speed.
In addition, piston 2 and cylinder body 1 are internally provided with the first seal assembly 13 and the second seal assembly 14, the first seal assembly 13 are located at 11 side of high pressure chest, and the second seal assembly 14 is arranged on 2 one end of piston.First seal assembly 13 is included from left to right successively The first guide ring 131, bar sealing ring 132 and the bumper ring 133 being arranged on cylinder body.Second seal assembly 14, which includes being arranged on, lives The second guide ring 141 beyond the Great Wall and hole sealing ring 142.
The utility model pressurizing cylinder concrete operating principle is as follows:Hydraulic oil is transported to the first hydraulic fluid port 5 and promoted by hydraulic pump Piston 2 moves right, and the fluid of high pressure chest 4 is promoted by piston to be formed high pressure and flowed out from two oil outlets 6, locking according to Paasche Rule, is applied to the pressure on enclosed liquid not to bate a jot of one's demandsly to all directions transmission, it acts on the equal P1 of power at each position × A1=P2 × A2=P3 × A3, so P2=3P1, as long as P1=25MPa, P3=75MPa reaches the high pressure of experiment demand.A1= 13266.5 square millimeters, A3=9420 square millimeter, A2=4415 square millimeter.When 9 oil inlet of the second hydraulic fluid port, 5 oil return of the first hydraulic fluid port When can ceaselessly hit the left side gland of cylinder body, when the bumper post 12 on piston 2 enters closing chamber 11, hydraulic oil cannot be smooth Oil return, can only carry out oil return by gap between bumper post 12 and closing chamber 11, and the pressure in such closing chamber 11 can be rapid Become higher, slow down the movement velocity of piston, realize buffering effect.
The prior art is different from, the utility model pressurizing cylinder, can reduce test period, meet experiment demand, structure Simply, service life is grown.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every The equivalent structure or equivalent flow shift made using the utility model description, is directly or indirectly used in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims (9)

1. a kind of pressurizing cylinder, it is characterised in that be equipped with piston including cylinder body, in the cylinder body, the piston is by cylinder interior Low pressure chamber and high pressure chest are divided into, forms sealing structure between the cylinder body, piston, low pressure chamber and high pressure chest, on the cylinder body Equipped with the first hydraulic fluid port connected with low pressure chamber and the multiple oil outlets connected with high pressure chest, the first hydraulic fluid port oil inlet, which promotes, lives Plug movement makes it promote the fluid in high pressure chest to be promoted to form high pressure from oil outlet outflow by piston, and the low pressure chamber is interior to be equipped with envelope Closed chamber, the piston are equipped with bumper post, and the piston is promoted by the hydraulic oil of the second hydraulic fluid port makes bumper post enter in closing chamber, And there is gap to reduce piston movement speed between bumper post and closing chamber.
2. pressurizing cylinder according to claim 1, it is characterised in that piston contact with the hydraulic oil in low pressure chamber Face is the first contact surface, and the contact surface of piston and the hydraulic oil in high pressure chest is the second contact surface, the face of first contact surface Area of the product more than the second contact surface.
3. pressurizing cylinder according to claim 2, it is characterised in that the area of first contact surface is the second contact surface 3 times of area, the pressure of the hydraulic oil of the oil outlet is 3 times of the hydraulic oil pressure of the first hydraulic fluid port.
4. pressurizing cylinder according to claim 2, it is characterised in that it is additionally provided with the second hydraulic fluid port on the cylinder body, described Two hydraulic fluid ports enter hydraulic oil and promote piston motion it is promoted the hydraulic oil oil return in low pressure chamber.
5. pressurizing cylinder according to claim 4, it is characterised in that the hydraulic oil that the piston and the second hydraulic fluid port enter Contact surface is the 3rd contact surface, and the area of the 3rd contact surface is less than the area of the first contact surface.
6. according to any pressurizing cylinders of claim 1-5, it is characterised in that the quantity of the oil outlet is 2.
7. pressurizing cylinder according to claim 6, it is characterised in that the piston and cylinder interior are equipped with the first sealing group Part and the second seal assembly, first seal assembly are located at high pressure chest side, and second seal assembly is arranged on piston one end.
8. pressurizing cylinder according to claim 7, it is characterised in that first seal assembly is included from left to right successively The first guide ring, bar sealing ring and the bumper ring being arranged on cylinder body.
9. pressurizing cylinder according to claim 7, it is characterised in that second seal assembly includes being arranged on piston Second guide ring and hole sealing ring.
CN201720315603.XU 2017-03-29 2017-03-29 Pressurizing cylinder Withdrawn - After Issue CN207315768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720315603.XU CN207315768U (en) 2017-03-29 2017-03-29 Pressurizing cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720315603.XU CN207315768U (en) 2017-03-29 2017-03-29 Pressurizing cylinder

Publications (1)

Publication Number Publication Date
CN207315768U true CN207315768U (en) 2018-05-04

Family

ID=62435672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720315603.XU Withdrawn - After Issue CN207315768U (en) 2017-03-29 2017-03-29 Pressurizing cylinder

Country Status (1)

Country Link
CN (1) CN207315768U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837921A (en) * 2017-03-29 2017-06-13 江苏恒立液压股份有限公司 Pressurizing cylinder
CN113772055A (en) * 2021-09-07 2021-12-10 中国科学院深海科学与工程研究所 Cutting device for submersible manipulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106837921A (en) * 2017-03-29 2017-06-13 江苏恒立液压股份有限公司 Pressurizing cylinder
CN113772055A (en) * 2021-09-07 2021-12-10 中国科学院深海科学与工程研究所 Cutting device for submersible manipulator

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GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20180504

Effective date of abandoning: 20190118

AV01 Patent right actively abandoned