CN207864296U - Small-sized double-outlet cylinder - Google Patents

Small-sized double-outlet cylinder Download PDF

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Publication number
CN207864296U
CN207864296U CN201820007706.4U CN201820007706U CN207864296U CN 207864296 U CN207864296 U CN 207864296U CN 201820007706 U CN201820007706 U CN 201820007706U CN 207864296 U CN207864296 U CN 207864296U
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China
Prior art keywords
small
sized double
piston
outlet cylinder
cylinder barrel
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CN201820007706.4U
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Chinese (zh)
Inventor
汪立平
张浩然
李丹丹
袁飞
兰根招
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Jiangsu Hengli Hydraulic Co Ltd
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Jiangsu Hengli Hydraulic Co Ltd
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Abstract

The utility model discloses a kind of small-sized double-outlet cylinders, including:Cylinder barrel, spaced two chambers are defined in the cylinder barrel, and the cylinder barrel is equipped with two hydraulic fluid ports being respectively communicated with two chambers;Two pistons, axial direction of two pistons respectively along two chambers are movably located in two chambers;Two guide sleeves, each guide sleeve are respectively provided in the hydraulic fluid port and are clamped with the cylinder barrel;Two piston rods, one end of two piston rods are each passed through the guide sleeve and are connected with the piston, and each piston rod is movable to drive the piston activity along the axial direction of the hydraulic fluid port respectively.It not only ensure that bonding strength by guide sleeve and cylinder barrel are designed as clamping structure according to the small-sized double-outlet cylinder of the utility model embodiment, but also save space, solve the problems, such as in small oil tank design.

Description

Small-sized double-outlet cylinder
Technical field
The utility model designs technical field of engineering machinery, more particularly, to a kind of small-sized double-outlet cylinder.
Background technology
Due to small, structure section gathers miniaturization oil cylinder, causes the processing of oil cylinder, assembly difficult.All the time, small Type lightweight oil cylinder is all the problem in oil cylinder design, and in the design of general oil cylinder, guide sleeve often uses spiral shell with cylinder barrel Line connects, and small-sized oil cylinder is often compact-sized, can not design effective reach to ensure that screw thread total number of teeth in engagement reaches Design requirement.Secondly, for common double-outlet cylinder, only there are one piston, oil cylinder can only realize two kinds of actions, tend not to full The requirement of some clients of foot.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.
For this purpose, the utility model proposes a kind of small-sized double-outlet cylinder, the small capacity double rod cylinder structure is compact, controlling party Formula is various.
According to the small-sized double-outlet cylinder of the utility model embodiment, including:Cylinder barrel defines in the cylinder barrel each other The two chambers separated, the cylinder barrel are equipped with two hydraulic fluid ports being respectively communicated with two chambers;Two pistons, described in two Axial direction of the piston respectively along two chambers is movably located in two chambers;Two guide sleeves, it is each described to lead It is respectively provided in the hydraulic fluid port to set and is clamped with the cylinder barrel;Two piston rods, one end of two piston rods are worn respectively It crosses the guide sleeve with the piston to be connected, each piston rod is movable with described in driving along the axial direction of the hydraulic fluid port respectively Piston activity.
According to the small-sized double-outlet cylinder of the utility model embodiment, by the way that guide sleeve and cylinder barrel are designed as clamping knot Structure not only ensure that bonding strength, but also save space solve the problems, such as in small oil tank design.
One embodiment according to the present utility model, the cylinder barrel are formed as column, and the middle part of the cylinder barrel is closed and axis It is opened wide respectively to both ends and forms the chamber, the open end of each chamber is formed as the hydraulic fluid port, the piston and described Axial direction of the piston rod respectively along the cylinder barrel is movable.
The middle part of one embodiment according to the present utility model, the cylinder barrel is equipped with block portion to be spaced apart two chambers Room, two chambers are symmetrical arranged relative to the block portion.
One embodiment according to the present utility model, the outer end of the hydraulic fluid port are equipped with card slot, the guide sleeve be equipped with The corresponding clamping portion of card slot, the small-sized double-outlet cylinder further include:Baffle ring, the baffle ring are located on the clamping portion And the card slot is only supported so that the guide sleeve to be connected in the hydraulic fluid port.
One embodiment according to the present utility model, the clamping portion are formed as the ring of the circumferentially extending along the guide sleeve Shape guide surface, the guide surface be formed as along the piston rod axially inwards and be inclined outwardly the inclined-plane of extension radially.
One embodiment according to the present utility model, the outside wall surface of the guide sleeve are equipped with along the first close of its circumferentially extending Sealing groove, the small-sized double-outlet cylinder further include:First sealing ring, first sealing ring are set in first seal groove And only support the internal face of the hydraulic fluid port.
One embodiment according to the present utility model, it is opposite with first seal groove on the internal face of the guide sleeve Position is equipped with the second seal groove, and the small-sized double-outlet cylinder further includes:Second sealing ring, second sealing ring are located at described Support in second seal groove and only the piston rod.
One embodiment according to the present utility model, the position of neighbouring outer end is equipped with along it on the internal face of the guide sleeve The dustproof groove of circumferentially extending, the small-sized double-outlet cylinder further include:Dustband, the dustband be located in the dustproof groove and Only support the piston rod.
One embodiment according to the present utility model, the piston is equipped with the third seal groove along its circumferentially extending, described Small-sized double-outlet cylinder further includes:Third sealing ring, the third sealing ring are located in the third seal groove and only support described The internal face of cylinder barrel.
One embodiment according to the present utility model, the piston rod are integrally formed with the piston.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment Become apparent and is readily appreciated that, wherein:
Fig. 1 is the structural schematic diagram according to the small-sized double-outlet cylinder of the utility model embodiment;
Fig. 2 is illustrated according to the guide sleeve of the small-sized double-outlet cylinder of the utility model embodiment and the fit structure of cylinder barrel Figure;
Fig. 3 is illustrated according to the piston of the small-sized double-outlet cylinder of the utility model embodiment and the fit structure of cylinder barrel Figure.
Reference numeral:
Small-sized double-outlet cylinder 100;
Cylinder barrel 10;Block portion 11;Card slot 12;
Piston 20;Third seal groove 21;
Piston rod 30;
Guide sleeve 40;Clamping portion 41;First seal groove 42;Second seal groove 43;Dustproof groove 44;
Baffle ring 50;First sealing ring 60;Second sealing ring 70;Dustband 80;Third sealing ring 90.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition The concrete meaning of language in the present invention.
Below with reference to Fig. 1 to Fig. 3 descriptions according to the small-sized double-outlet cylinder 100 of the utility model embodiment.
It is oriented to including 20, two, the piston of cylinder barrel 10, two according to the small-sized double-outlet cylinder 100 of the utility model embodiment Set 40 and two piston rods 30.
Specifically, defining spaced two chambers in cylinder barrel 10, cylinder barrel 10 is equipped with to be distinguished with two chambers Two hydraulic fluid ports of connection, two pistons 20 are movably located in two chambers along the axial direction of two chambers respectively, each to be oriented to Set 40 is respectively provided in hydraulic fluid port and is clamped with cylinder barrel 10, and one end of two piston rods 30 is each passed through guide sleeve 40 and 20 phase of piston Even, each piston rod 30 is movable to drive piston 20 movable along the axial direction of hydraulic fluid port respectively.
In other words, two chambers are equipped with according to the cylinder barrel 10 of the small-sized double-outlet cylinder 100 of the utility model embodiment is interior, It is respectively equipped with hydraulic fluid port corresponding with the chamber in each chamber and is located at the indoor piston 20 of chamber, each piston 20 is corresponding to be equipped with One piston rod 30 coordinated with it, piston rod 30 are movable to push piston 20 in chamber indoor activity.In each hydraulic fluid port respectively If there are one the guide sleeve 40 for being oriented to piston rod 30, guide sleeve is used with cylinder barrel 10 and is clamped, such as can be card The realizations such as key connection assembly.
As a result, according to the small-sized double-outlet cylinder 100 of the utility model embodiment, by the way that guide sleeve 40 and cylinder barrel 10 are set It is calculated as clamping structure, not only ensure that bonding strength, but also save space, is solved the problems, such as in small oil tank design.
One embodiment according to the present utility model, cylinder barrel 10 are formed as column, the middle part closing and axial two of cylinder barrel 10 End is opened wide form chamber respectively, and the open end of each chamber is formed as hydraulic fluid port, and piston 20 and piston rod 30 are respectively along cylinder barrel 10 It is axial movable.Preferably, the middle part of cylinder barrel 10 is equipped with block portion 11 to be spaced apart two chambers, and two chambers are relative to block Portion 11 is symmetrical arranged.
That is, being generally formed into horizontally extending column knot according to the cylinder barrel 10 of the utility model embodiment Structure, the both ends of cylinder barrel 10 are opened wide respectively forms the chamber with hydraulic fluid port, and the middle part of cylinder barrel 10 is equipped with block portion 11 with by two A symmetry is spaced apart, and each chamber can distinguish fuel feeding, realizes the different actions of piston rod 30, at most can be real simultaneously Existing four kinds of different actions.The cylinder barrel 10 is compact-sized as a result, and left and right two chambers distinguish fuel feeding, and small capacity double may be implemented Go out the various control of rod oil cylinder 100.
In some specific implementation modes of the utility model, the outer end of hydraulic fluid port is equipped with card slot 12, and guide sleeve 40 is equipped with Clamping portion 41 corresponding with card slot 12, small-sized double-outlet cylinder 100 further include:Baffle ring 50, baffle ring 50 are located on clamping portion 41 And card slot 12 is only supported so that guide sleeve 40 to be connected in hydraulic fluid port.
Specifically, as shown in Fig. 2, being equipped with the card being recessed outward on the internal face of the one end in the separate block portion 11 of hydraulic fluid port Slot 12, position corresponding with card slot 12 is equipped with clamping portion 41 on guide sleeve 40, and baffle ring 50 is located on clamping portion 41 and is clamped In card slot 12, to which guide sleeve 40 is fixed on cylinder barrel 10.Matching by baffle ring 50 and card slot 12 and clamping portion 41 as a result, Assembly of the guide sleeve 40 on cylinder barrel 10 can be realized in conjunction, and not only assembling structure is simple, but also small capacity double rod oil may be implemented The Miniaturization Design of cylinder 100.
Optionally, some specific embodiments according to the present utility model, clamping portion 41 are formed as the circumferential direction along guide sleeve 40 The annular guide surface of extension, guide surface be formed as along piston rod 30 axially inwards and be inclined outwardly the oblique of extension radially Face.Guide sleeve 40 is plugged in the hydraulic fluid port of cylinder barrel 100, then by the small-sized double-outlet cylinder 100 of the structure first in assembly Baffle ring 50 is set on guide sleeve 40 and along being oriented to inward-facing promotion, it can be by after baffle ring 50 is pushed in card slot 12 Card slot 12 blocks, to which guide sleeve 40 to be mounted on cylinder barrel 10.The assembling structure simple possible, development cost is low, and fills With convenient.
One embodiment according to the present utility model, the outside wall surface of guide sleeve 40 are equipped with the first sealing along its circumferentially extending Slot 42, small-sized double-outlet cylinder 100 further include:First sealing ring 60, the first sealing ring 60 be set in the first seal groove 42 and Only support the internal face of hydraulic fluid port.Optionally, it is close to be equipped with second for position opposite with the first seal groove 42 on the internal face of guide sleeve 40 Sealing groove 43, small-sized double-outlet cylinder 100 further include:Second sealing ring 70, the second sealing ring 70 be located in the second seal groove 43 and Only support piston rod 30.Thus, it is possible to which the leakproofness of guide sleeve 40 and cylinder barrel 10 and piston rod 30 is effectively ensured.
Preferably, in some specific implementation modes of the utility model, neighbouring outer end on the internal face of guide sleeve 40 Position is equipped with the dustproof groove 44 along its circumferentially extending, and small-sized double-outlet cylinder 100 further includes:Dustband 80, dustband 80 are located at Support in dustproof groove 44 and only piston rod 30.
Specifically, as shown in Fig. 2, the one end in the separate block portion 11 of guide sleeve 40 is additionally provided with dustproof groove 44, dustproof groove 44 It is interior to be equipped with dustband 80, it is possible thereby to be further ensured that the sealing performance of guide sleeve 40 and piston rod 30.
Some embodiments according to the present utility model, piston 20 is equipped with the third seal groove 21 along its circumferentially extending, small-sized Double-outlet cylinder 100 further includes:Third sealing ring 90, third sealing ring 90 are located in third seal groove 21 and only support cylinder barrel 10 Internal face.It is possible thereby to ensure the leakproofness of piston 20 and cylinder barrel 10.
In some specific implementation modes of the utility model, piston rod 30 is integrally formed with piston 20.That is, every The indoor piston rod 30 of a chamber and piston 20 are all to use integral design, the design that piston degree is allow there was only 14mm, Connection cooperation and the hermetic unit between piston 20 and piston rod 30 are eliminated, can be compact-sized small-sized double-outlet cylinder 100 further save space.
To sum up, according to the small-sized double-outlet cylinder 100 of the utility model embodiment, by by guide sleeve 40 and cylinder barrel 10 are designed as clamping structure, not only ensure that bonding strength, but also save space, solve the problems, such as in small oil tank design, piston Bar 30 uses integral design with piston 20, can further save space.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (10)

1. a kind of small-sized double-outlet cylinder, which is characterized in that including:
Cylinder barrel defines spaced two chambers in the cylinder barrel, and the cylinder barrel is equipped with and two chambers are distinguished Two hydraulic fluid ports of connection;
Two pistons, axial direction of two pistons respectively along two chambers are movably located in two chambers;
Two guide sleeves, each guide sleeve are respectively provided in the hydraulic fluid port and are clamped with the cylinder barrel;
Two piston rods, one end of two piston rods are each passed through the guide sleeve and are connected with the piston, each described Piston rod is movable to drive the piston activity along the axial direction of the hydraulic fluid port respectively.
2. small-sized double-outlet cylinder according to claim 1, which is characterized in that the cylinder barrel is formed as column, the cylinder The middle part of cylinder is closed and axial both ends are opened wide form the chamber respectively, and the open end of each chamber is formed as the oil Mouthful, the axial direction of the piston and the piston rod respectively along the cylinder barrel is movable.
3. small-sized double-outlet cylinder according to claim 2, which is characterized in that the middle part of the cylinder barrel be equipped with block portion with Two chambers are spaced apart, two chambers are symmetrical arranged relative to the block portion.
4. small-sized double-outlet cylinder according to claim 1, which is characterized in that the outer end of the hydraulic fluid port is equipped with card slot, institute It states guide sleeve and is equipped with clamping portion corresponding with the card slot, the small-sized double-outlet cylinder further includes:
Baffle ring, the baffle ring are located on the clamping portion and only support the card slot so that the guide sleeve is connected to the hydraulic fluid port It is interior.
5. small-sized double-outlet cylinder according to claim 4, which is characterized in that the clamping portion is formed as along the guiding The annular guide surface of the circumferentially extending of set, the guide surface are formed as along the axially inwards and outside radially of the piston rod Tilt the inclined-plane extended.
6. small-sized double-outlet cylinder according to claim 1, which is characterized in that the outside wall surface of the guide sleeve is equipped with along it First seal groove of circumferentially extending, the small-sized double-outlet cylinder further include:
First sealing ring, first sealing ring are set in first seal groove and only support the internal face of the hydraulic fluid port.
7. small-sized double-outlet cylinder according to claim 6, which is characterized in that on the internal face of the guide sleeve with it is described The opposite position of first seal groove is equipped with the second seal groove, and the small-sized double-outlet cylinder further includes:
Second sealing ring, second sealing ring are located in second seal groove and only support the piston rod.
8. small-sized double-outlet cylinder according to claim 1, which is characterized in that neighbouring outer on the internal face of the guide sleeve The position at end is equipped with the dustproof groove along its circumferentially extending, and the small-sized double-outlet cylinder further includes:
Dustband, the dustband are located in the dustproof groove and only support the piston rod.
9. small-sized double-outlet cylinder according to claim 1, which is characterized in that the piston is equipped with along its circumferentially extending Third seal groove, the small-sized double-outlet cylinder further include:
Third sealing ring, the third sealing ring are located in the third seal groove and only support the internal face of the cylinder barrel.
10. the small-sized double-outlet cylinder according to any one of claim 1-9, which is characterized in that the piston rod and institute State piston integrated molding.
CN201820007706.4U 2018-01-03 2018-01-03 Small-sized double-outlet cylinder Active CN207864296U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820007706.4U CN207864296U (en) 2018-01-03 2018-01-03 Small-sized double-outlet cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820007706.4U CN207864296U (en) 2018-01-03 2018-01-03 Small-sized double-outlet cylinder

Publications (1)

Publication Number Publication Date
CN207864296U true CN207864296U (en) 2018-09-14

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CN201820007706.4U Active CN207864296U (en) 2018-01-03 2018-01-03 Small-sized double-outlet cylinder

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109695604A (en) * 2018-12-28 2019-04-30 上海建工集团股份有限公司 Dual Piston synchronous fuel tank device
CN110886739A (en) * 2019-12-05 2020-03-17 徐州徐工液压件有限公司 Double-rod hydraulic cylinder with assembled piston rod with rod internal oil through structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109695604A (en) * 2018-12-28 2019-04-30 上海建工集团股份有限公司 Dual Piston synchronous fuel tank device
CN110886739A (en) * 2019-12-05 2020-03-17 徐州徐工液压件有限公司 Double-rod hydraulic cylinder with assembled piston rod with rod internal oil through structure

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