CN109969440A - Anti-leak two-chip type extraction assembly - Google Patents

Anti-leak two-chip type extraction assembly Download PDF

Info

Publication number
CN109969440A
CN109969440A CN201910328366.4A CN201910328366A CN109969440A CN 109969440 A CN109969440 A CN 109969440A CN 201910328366 A CN201910328366 A CN 201910328366A CN 109969440 A CN109969440 A CN 109969440A
Authority
CN
China
Prior art keywords
piston
piston ring
clearance aperture
cylinder body
leak
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.)
Pending
Application number
CN201910328366.4A
Other languages
Chinese (zh)
Inventor
商鼎
陈龙
刘伟南
刘晓炜
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.)
SHANGHAI NEW ASIATIC PHARMACEUTICALS MINHANG CO Ltd
Original Assignee
SHANGHAI NEW ASIATIC PHARMACEUTICALS MINHANG 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 SHANGHAI NEW ASIATIC PHARMACEUTICALS MINHANG CO Ltd filed Critical SHANGHAI NEW ASIATIC PHARMACEUTICALS MINHANG CO Ltd
Priority to CN201910328366.4A priority Critical patent/CN109969440A/en
Publication of CN109969440A publication Critical patent/CN109969440A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/10Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
    • B65B3/12Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressor (AREA)

Abstract

The present invention relates to material Canning Technique fields, are specifically related to a kind of anti-leak two-chip type extraction assembly.A kind of anti-leak two-chip type extraction assembly, including cylinder body and piston rod, wherein: further including piston ring and piston, piston rod protrudes into cylinder body from one end of cylinder body and is connected with piston, upper cover of piston rod is equipped at least two pistons, at least two piston central spacers are arranged and are connected with piston clamping, piston ring includes the first piston ring and second piston ring being fixedly linked, first piston ring is equipped with the first clearance aperture, second piston ring is equipped with the second clearance aperture, and the first clearance aperture and the second clearance aperture do not have intersection.The present invention so that material can be stopped after the leakage of the first clearance aperture by the second clearance aperture, and then prevents material from further being revealed by the way that the second clearance aperture of the first clearance aperture of first piston ring and second piston ring is not overlapped setting.

Description

Anti-leak two-chip type extraction assembly
Technical field
The present invention relates to material Canning Technique fields, are specifically related to a kind of anti-leak two-chip type extraction assembly.
Background technique
Often it is related to the quantitative filling with certain viscosity material in the production such as drug, cosmetics or food, such as in medicine Often it is related to gelling agent, ointment etc. in product production.For the ease of material to be pumped into or release, piston structure is added using cylinder body at present To realize purpose.In the actual operation process, due to processing, there are certain notches for the cyclic structure of piston ring, with work Make the extension of time, notch can be gradually increased, and be easy to cause the leakage of material.
Quantitative draw-out device in existing market eliminates the leakage of piston ring notch by the method for seal with elastometic washer mostly Problem of materials.Due to this mode will increase piston it is traversing when resistance, increase energy loss, in addition, the durable temperature of rubber ring Degree and mechanical strength is lower also will limit its use scope.
Summary of the invention
In order to solve the technical issues of quantifying larger draw-out device energy consumption and smaller scope of application in the related technology, the present invention Embodiment provides a kind of anti-leak two-chip type extraction assembly, and its object is to keep away while not increasing piston traversing resistance Exempt from material to reveal.
The present invention provides a kind of anti-leak two-chip type extraction assemblies, including cylinder body and piston rod, in which: further includes piston Ring and piston, piston rod protrude into cylinder body from one end of cylinder body and are connected with piston, and upper cover of piston rod is equipped at least two pistons, At least two piston central spacers are arranged and are connected with piston clamping, and piston ring includes that the first piston ring being fixedly linked and second are living Plug ring, first piston ring are equipped with the first clearance aperture, and second piston ring is equipped with the second clearance aperture, between the first clearance aperture and second Gap mouth does not have intersection.
By the first clearance aperture of setting and the second clearance aperture, in order to which first piston ring and second piston ring are arranged in work Beyond the Great Wall;By the way that the first clearance aperture and the second clearance aperture are staggered, so that material can be by the after the leakage of the first clearance aperture Two clearance apertures stop, and then prevent material from further being revealed;By the way that first piston ring and second piston ring are fixedly linked, with It prevents the first clearance aperture to be overlapped with the second clearance aperture, and then material is avoided to reveal from the first clearance aperture and the second clearance aperture;Pass through Setting to cylinder body, delivery section and piston rod, in order to which piston rod extracts the material at delivery section to cylinder body, or by cylinder body Interior material is pushed out in delivery section.
Optionally, first piston ring is equipped with first positioning hole, and second piston ring is equipped with second location hole, the first positioning The first positioning pin is inserted in hole and second location hole.
By the setting to first positioning hole, second location hole and the first positioning pin, in order to which the first positioning pin is plugged In in first positioning hole and second location hole, first piston ring and second piston ring are fixedly linked, in addition, being also convenient for dismantling First piston ring and second piston ring, consequently facilitating cleaning, in order to avoid generate pollution.
Optionally, first positioning hole is not located on the center line of the first clearance aperture, and second location hole is not located at the second gap On the center line of mouth.
When first positioning hole and the first clearance aperture are located relatively on the same Radius of first piston ring, if second location hole It is located relatively on the same Radius of second piston ring with the second clearance aperture, then when the first positioning pin is inserted into first positioning hole and the After two positioning holes, the first clearance aperture can be overlapped with the second clearance aperture, and material is easy leakage at this time.
Optionally, first piston ring is made of ductile cast iron material;Alternatively, first piston ring uses alloy cast iron material It is made;Alternatively, first piston ring is made of stainless steel;Alternatively, first piston ring is made of engineering plastic materials.
By the selection to first piston ring material, when convenient for preventing first piston ring traversing with piston rod and cylinder interior It wears, and prevents first piston ring by the erosion of cylinder interior material.
It optionally, further include the first delivery section and the second delivery section, the first delivery section includes that the first delivery pipe and first are single To valve, the both ends of the first check valve are connected with the end of the first delivery pipe and cylinder body respectively, so that its interior material is along first direction Conveying, the second delivery section include the second delivery pipe and second one-way valve, the both ends of second one-way valve respectively with the second delivery pipe and The end of cylinder body is connected, so that its interior material conveys in a second direction, the first check valve and second one-way valve are located at the same of cylinder body One end, first direction and second direction are oppositely arranged.
By the setting to the first check valve and second one-way valve, supplied convenient for the first delivery section into cylinder interior cavity When material, the second delivery section receives the material that cylinder interior is released;Alternatively, the second delivery section supplies material into cylinder interior cavity When material, the first delivery section receives the material that cylinder interior is released.
It optionally, further include power part for driving piston rod to do traversing reciprocating action, power part and piston distinguish position In the both ends of piston rod.
By the setting to power part, in order to drive piston rod to do traversing reciprocating action along cylinder body, to realize extraction Movement.
Optionally, power part is cylinder;Alternatively, power part is crankshaft.
By selecting cylinder as power part, in order to be precisely controlled the traversing movement of piston rod, to realize quantitative take out Take or release the purpose of material.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited Invention.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of structural schematic diagram of anti-leak two-chip type extraction assembly provided by the invention;
Fig. 2 is the schematic cross-section of piston shown in FIG. 1, piston ring and piston rod.
In figure: 100, cylinder body, 110, first end;120, second end;200, piston rod;300, delivery section;310, first is defeated Send portion;311, the first delivery pipe;312, the first check valve;320, the second delivery section;321, the second delivery pipe;322, second is unidirectional Valve;400, piston ring;410, first piston ring;411, the first clearance aperture;412, first positioning hole;420, second piston ring; 421, the second clearance aperture;422, second location hole;430, the first positioning pin;500, piston.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Quantitative draw-out device in existing market eliminates piston ring gap leakage by the method for seal with elastometic washer mostly Problem of materials.Due to this mode will increase piston it is traversing when resistance, increase energy loss, in addition, the durable temperature of rubber ring Degree and mechanical strength is lower also will limit its use scope.
In order to solve the technical issues of quantifying larger draw-out device energy consumption and smaller scope of application in the related technology, the present invention Embodiment provides a kind of anti-leak two-chip type extraction assembly, and its object is to keep away while not increasing piston traversing resistance Exempt from material to reveal.It is illustrated below with reference to structure of Fig. 1-Fig. 2 to the anti-leak two-chip type extraction assembly.
As shown in Figure 1, the anti-leak two-chip type extraction assembly includes cylinder body 100 and piston rod 200, set inside cylinder body 100 There is cavity, cavity for storage material and does traversing movement for piston rod 200, and cylinder is protruded into one end of piston rod 200 from cylinder body 100 In body 100.
In the present embodiment, which further includes piston ring 400 and piston 500, piston rod 200 The one end for protruding into 100 inner volume of cylinder body is inserting end, and the inserting end of piston rod 200 is connected with piston 500, covers on piston 500 Equipped at least two piston rings 400, at least two piston rings 400 interval is arranged and is connected with the clamping of piston 500, piston ring 400 Including the first piston ring 410 and second piston ring 420 being fixedly linked, first piston ring 410 is equipped with the first clearance aperture 411, Second piston ring 420 is equipped with the second clearance aperture 421, and the first clearance aperture 411 and the second clearance aperture 421 do not have intersection, That is the first clearance aperture 411 cannot be partially overlapped or be completely coincident with the second clearance aperture 421.
In practical applications, piston rod 200 is inserted into piston 500, and nut is arranged on piston rod 200 and is used with nut Thread fiting mode is connected, and the side of nut is bonded with the side of piston 500, and piston 500 is equipped with first through hole, first through hole Hole depth direction and piston rod 200 it is axially vertical, piston rod 200 be equipped with the second through-hole, the fasteners such as bolt or screw insertion First through hole and the second through-hole, and be connected with it by being threadedly engaged, so that piston 500 is fixed on piston rod 200.
In general, for the ease of the clamping of piston ring 400 and piston 500 is connected, opened up on piston 500 it is fluted, first Piston ring 410 and second piston ring 420 are caught in together by the first clearance aperture 411 and the second clearance aperture 421 that are arranged thereon respectively In one groove.Furthermore, the first clearance aperture 411 and the second clearance aperture 421 are overlapped so that material is revealed in order to prevent, the Being located relatively at for one clearance aperture 411 and the opposition setting of the second clearance aperture 421, i.e. the first clearance aperture 411 and the second clearance aperture 421 is same In one plane, and its opening is towards on the contrary.
In this application, the quantity of piston ring 400 is five, and furthermore, the quantity of first piston ring 410 is five A, the quantity of second piston ring 420 is five.In practical applications, the quantity of piston ring 400 is according to the piston of actual use The number of recesses matching opened up on 500 is arranged, and does not further limit to the quantity of piston ring 400 in the present embodiment.
As shown in Fig. 2, in order to make first piston ring 410 and second piston ring 420 be fixedly linked, on first piston ring 410 Equipped with first positioning hole 412, second piston ring 420 is equipped with second location hole 422, first positioning hole 412 and second location hole The first positioning pin 430 is inserted in 422.In the present embodiment, the center of circle of first positioning hole 412 is not located at the first clearance aperture 411 Center line on, 422 center of circle of second location hole is not located on the center line of the second clearance aperture 421, to avoid the first clearance aperture 411 It is overlapped with 421 position of the second clearance aperture.
In actual installation process, first piston 500 and piston rod 200 are fixedly linked, then by first piston ring 410 and Two piston rings 420 are caught in same groove by the first clearance aperture 411 and the second clearance aperture 421 respectively, rotate first piston ring 410 or second piston ring 420, so that the first clearance aperture 411 and the second clearance aperture 421 do not have intersection, then first is determined Position pin 430 is inserted into first positioning hole 412 and second location hole 422, and first piston ring 410 and second piston ring 420 are consolidated It is fixed to be connected.
Optionally, first piston ring 410 is made of ductile cast iron material;Alternatively, first piston ring 410 is cast using alloy Iron material is made;Alternatively, first piston ring 410 is made of stainless steel;Alternatively, first piston ring 410 uses engineering plastic Material material is made.In actual design process, the material of second piston ring 420 can refer to the material selection of first piston ring 410, This is not limited further in this application.
It is separated in order to which the anti-leak two-chip type extraction assembly just to be extracted to the path of material with the path for releasing material, it should Anti-leak two-chip type extraction assembly further includes the first delivery section 310 and the second delivery section 320, and the first delivery section 310 and second is defeated Portion 320 is sent to be respectively arranged at the other end of cylinder body 100 and be connected to 100 inner volume of cylinder body.
Specifically, the first delivery section 310 includes the first delivery pipe 311 and the first check valve 312, the first check valve 312 Both ends respectively with the first delivery pipe 311 with and the end of cylinder body 100 be connected so that its interior material is conveyed along first direction, the Two delivery sections 320 include the second delivery pipe 321 and second one-way valve 322, and the both ends of second one-way valve 322 are conveyed with second respectively Pipe 321 is connected with the end of cylinder body 100, so that its interior material conveys in a second direction, the first check valve 312 and second one-way valve 322 are located at the same end of cylinder body 100, and first direction and second direction are oppositely arranged.
In the actual operation process, the both ends of cylinder body 200 are respectively first end 110 and second end 120, and first end 110 is With the connecting pin of the first delivery section 310 and/or the second delivery section 320, second end 120 is to protrude into cylinder body 100 for piston rod 200 One end, pressure when piston rod 200 is traversing to 120 direction of second end along the first end 110 of cylinder body 100, in 100 cavity of cylinder body Less than the pressure in the first delivery pipe 311, to extracting the material in the first delivery pipe 311 to 100 cavity of cylinder body, work as work When stopper rod 200 is traversing to 110 direction of first end along the second end 120 of cylinder body 100, the pressure in 100 cavity of cylinder body is greater than second Pressure in delivery pipe 321, so that the material in 100 cavity of cylinder body is pushed out in the second delivery pipe 321, first is unidirectional at this time The flow of media direction of valve 312 is the flow of media direction of second one-way valve 322 from the first delivery pipe 311 to 100 direction of cylinder body For from 100 to the second delivery pipe of cylinder body, 321 direction.
Optionally, which further includes for power part, and power part is for driving piston rod 200 Traversing reciprocating action is done along 100 direction of cylinder body, power part and piston 500 are located at the both ends of piston rod 200.
For the purpose for being precisely controlled the traversing movement of piston rod 200 to realize quantitative extraction or release material, power part It can be cylinder;Alternatively, power part can be crankshaft.
In conclusion the present invention is by the way that the first clearance aperture and the second clearance aperture to be staggered, so that material is between first It can be stopped by the second clearance aperture after the leakage of gap mouth, and then prevent material from further being revealed;By by first piston ring and Two piston rings are fixedly linked, to prevent the first clearance aperture to be overlapped with the second clearance aperture, and then avoid material from the first clearance aperture and The leakage of second clearance aperture;By the setting to cylinder body, delivery section and piston rod, in order to which piston rod takes out the material at delivery section It takes to cylinder body, or the intracorporal material of cylinder is pushed out in delivery section.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Above is only a specific embodiment of the present invention, but technical characteristic of the invention is not limited thereto, Ren Heben Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.

Claims (7)

1. a kind of anti-leak two-chip type extraction assembly, including cylinder body and piston rod, which is characterized in that further include piston ring and work Plug, one end of the piston rod from the cylinder body is protruded into the cylinder body and is connected with the piston, is arranged on the piston At least two piston rings, at least two piston central spacers are arranged and are connected with piston clamping, the piston ring Including the first piston ring and second piston ring being fixedly linked, the first piston ring is equipped with the first clearance aperture, and described second Piston ring is equipped with the second clearance aperture, and first clearance aperture and second clearance aperture do not have intersection.
2. anti-leak two-chip type extraction assembly according to claim 1, which is characterized in that the first piston ring is equipped with First positioning hole, the second piston ring are equipped with second location hole, the first positioning hole and the second location hole interpolation Equipped with the first positioning pin.
3. anti-leak two-chip type extraction assembly according to claim 2, which is characterized in that the first positioning hole is not located at On the center line of first clearance aperture, the second location hole is not located on the center line of second clearance aperture.
4. anti-leak two-chip type extraction assembly according to claim 1 to 3, which is characterized in that the first piston ring It is made of ductile cast iron material;Alternatively, the first piston ring is made of alloy cast iron material;Alternatively, described first is living Plug ring is made of stainless steel;Alternatively, the first piston ring is made of engineering plastic materials.
5. anti-leak two-chip type extraction assembly according to claim 1, which is characterized in that further include the first delivery section and Two delivery sections, first delivery section include the first delivery pipe and the first check valve, the both ends of first check valve respectively with First delivery pipe is connected with the end of the cylinder body, so that its interior material is conveyed along first direction, second delivery section Including the second delivery pipe and second one-way valve, the both ends of the second one-way valve respectively with second delivery pipe and the cylinder body End be connected so that its interior material conveys in a second direction, first check valve and the second one-way valve are located at described The same end of cylinder body, the first direction and the second direction are oppositely arranged.
6. anti-leak two-chip type extraction assembly according to claim 1, which is characterized in that further include for driving the work Stopper rod does the power part of traversing reciprocating action, and the power part and the piston are located at the both ends of the piston rod.
7. anti-leak two-chip type extraction assembly according to claim 6, which is characterized in that the power part is cylinder;Or Person, the power part are crankshaft.
CN201910328366.4A 2019-04-23 2019-04-23 Anti-leak two-chip type extraction assembly Pending CN109969440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910328366.4A CN109969440A (en) 2019-04-23 2019-04-23 Anti-leak two-chip type extraction assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910328366.4A CN109969440A (en) 2019-04-23 2019-04-23 Anti-leak two-chip type extraction assembly

Publications (1)

Publication Number Publication Date
CN109969440A true CN109969440A (en) 2019-07-05

Family

ID=67085858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910328366.4A Pending CN109969440A (en) 2019-04-23 2019-04-23 Anti-leak two-chip type extraction assembly

Country Status (1)

Country Link
CN (1) CN109969440A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009180090A (en) * 2008-01-29 2009-08-13 Mitsubishi Heavy Ind Ltd Piston ring of pressure boosting pump for low temperature fluid
CN209905134U (en) * 2019-04-23 2020-01-07 上海新亚药业闵行有限公司 Leakage-proof two-piece type extraction assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009180090A (en) * 2008-01-29 2009-08-13 Mitsubishi Heavy Ind Ltd Piston ring of pressure boosting pump for low temperature fluid
CN209905134U (en) * 2019-04-23 2020-01-07 上海新亚药业闵行有限公司 Leakage-proof two-piece type extraction assembly

Similar Documents

Publication Publication Date Title
EP3012600B1 (en) Dosing device for an infusion system
US6199636B1 (en) Open barrel cage
EP3889427B1 (en) Fluted piston components for pumps
WO2014124799A1 (en) Method for providing a liquid additive
WO2020108995A1 (en) Injection valve for a water injection system of an internal combustion engine and water injection system having such an injection valve
EP2016287B1 (en) Rotary piston machine
CN110454349A (en) A kind of plunger part of high-pressure plunger type hydraulic pump
CN109969440A (en) Anti-leak two-chip type extraction assembly
CN204395139U (en) Self-destruction syringe and locking device thereof
EP2989328B1 (en) Pump for dosing a liquid additive of a selective catalytic reduction device
US11009026B2 (en) Micropump
US20170248136A1 (en) Conveying device for conveying a flowable medium
CN111989486B (en) Automatic pumping injector
EP3022443B1 (en) Piston for a vibrating armature pump
CN209991192U (en) Sealing connecting piece of disposable straight barrel type grease barrel
CN210858970U (en) Smoke machine oil pipe connecting structure
CN207430331U (en) A kind of pair goes out rod-type continuous injecting apparatus
CN209905134U (en) Leakage-proof two-piece type extraction assembly
CN210844292U (en) Contrast agent preparation assembly for B-ultrasonic right heart acoustic imaging
CN209524309U (en) A kind of unidirectional pressurizing valve of drier oil
US20130156621A1 (en) Lance Pump with a Ram
CN206169600U (en) Directional cover remove device of fluid pressure type
CN217286693U (en) High-pressure syringe
CN107715933A (en) A kind of pair goes out rod-type continuous injecting apparatus
CN109737297B (en) Sealing connector of disposable straight cylinder type grease cylinder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination