CN104986366B - Filling machine, filling amount adjustable rotary valve pump installation and its dosing pump - Google Patents
Filling machine, filling amount adjustable rotary valve pump installation and its dosing pump Download PDFInfo
- Publication number
- CN104986366B CN104986366B CN201510299002.XA CN201510299002A CN104986366B CN 104986366 B CN104986366 B CN 104986366B CN 201510299002 A CN201510299002 A CN 201510299002A CN 104986366 B CN104986366 B CN 104986366B
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- Prior art keywords
- piston
- hole
- pumps according
- dosing
- gap adjustment
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
- B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
- B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of dosing pump, it is so that piston is back and forth driven in pump chamber and carry out the dosing pump of conveyance fluid, it is mainly used in improving the suitability and the service life of dosing pump, including the pump housing, piston, piston rod and piston brace rod, it is characterized in that, described piston is arranged on the head of described piston rod；The described pump housing can reciprocatingly support described piston and described piston rod；The afterbody of described piston rod is connected with the head of described piston brace rod；Described piston brace rod includes the pars contractilis of this piston brace rod length of at least one scalable；Significantly Traffic control system can be carried out by pars contractilis, and realize the significantly adjustment of filling amount so that the suitability of dosing pump improves；Described piston rod is coaxial with described piston brace rod and the described pump housing, oscillating bearing use is so that its service life improves.Present invention also offers a kind of rotary valve pump installation of this dosing pump of application, comprising this dosing pump or the filling machine of this rotary valve pump installation.
Description
Technical field
The present invention relates to the packing technique field of medicine or food, more particularly to being mainly used in food or medicine
Fill, dosing pump that filling amount can easily be adjusted.
The present invention further related to a kind of include above-mentioned dosing pump and filling amount adjustable rotary valve pump installation.
The invention still further relates to a kind of filling machine including above-mentioned dosing pump or rotary valve pump installation.The present invention can also use
In the preparing technical field of substituting medical treatment, pharmacy, skin lotion or gel etc..
Background technology
In the filling apparatus of food or drug class, due to carrying out fill for destination object by the way of dosing pump,
There is the advantage that filling amount is accurate and is not limited by the form being filled part, therefore, fill is carried out using rotary valve pump installation
Mode is also more and more universal.Especially in Food Packaging technology.
As published, the Chinese invention patent application for CN 102923333 A for the publication No., specifically disclose a kind of appearance
Amount adjustable liquid filling mechanism, including frame, liquid input device, liquid feeding device, valve switching device, this liquid pushes away
Device is sent to include cylinder barrel, piston, the piston outer end of described liquid feeding device is connected with connecting rod, and this connecting rod is by with spiral shell
Female guide block is connected with feeding screw mandrel, and described feeding screw mandrel is passed through middle conveying assembly and is connected with feeding motor.And publication No.
For the Chinese invention patent application of CN 104295761 A, specifically disclose a kind of plunger valve, its function and effect are also substantially
Upper similar.
As the prior art of above-mentioned application for a patent for invention and correlation, in practice, have that such as service life is shorter, dosing pump
Capacity adjustment trouble, the problems such as adjustable scope is less and degree of regulation is high, thus leading to the poor grade of the suitability to lack
Fall into.
Therefore, how to improve and optimize the structure of dosing pump, improve the suitability of dosing pump, service life is in the art
Technical staff is badly in need of the important technological problems solving at present..
Content of the invention
It is an object of the invention to provide a kind of dosing pump, the structure of this dosing pump is simple, long service life, strong applicability,
And its capacity is conveniently adjusted.It is a further object to provide a kind of rotary valve pump installation applying above-mentioned dosing pump, should
Filling amount when for fill for the rotary valve pump installation is adjustable.A further object of the present invention is to provide a kind of application above-mentioned
Dosing pump or the filling machine of filling amount adjustable rotary valve pump installation.
For solving above-mentioned first technical problem, the invention provides a kind of dosing pump, it is to make piston past in pump chamber
Drive again and carry out the dosing pump of conveyance fluid, including the pump housing, piston, piston rod and piston brace rod, wherein, described piston
It is arranged on the head of described piston rod, the described pump housing can reciprocatingly support described piston and described piston rod, described work
The afterbody of stopper rod is connected with the head of described piston brace rod, and described piston brace rod includes this piston of at least one scalable
Connect the pars contractilis of pole length, described piston brace rod also includes at least one and has volume when this piston brace rod moves back and forth
Fixed gap and this gap are adjustable adjustable clearance portion.
Preferably, described pars contractilis is screw connected pars contractilis.
Preferably, described pars contractilis includes inner screw sheath that external screw thread bar segment screwed and should with this external screw thread bar segment
The locking member that external screw thread bar segment and this inner screw sheath interfix.Described locking member is preferably round nut.
Preferably, described adjustable clearance portion includes blind flange and the gap tune that flange portion is oppositely arranged with this flange portion
Nodal axisn, described flange portion is provided with the pilot hole extending into bar and the oral area in this pilot hole is provided with seam portion one, described method
Orchid is covered with through hole and is provided with the seam portion two with respect to described seam portion one in this through hole；Described gap adjustment axle bag
Include the collar being arranged between described seam portion one and described seam portion two, one end of this collar is provided with and is arranged on described pilot hole
In guide section, the other end of this collar be provided with collar locking screw section, this locking screw section be provided with for limit described between
The position-limit mechanism of gap adjustment axis and described blind flange relative movement distance, and the top of described double nut and described blind flange joins
Close, the width of described collar is less than the distance between described seam portion one and described seam portion two, by adjusting described double nut
With the distance between described collar i.e. this piston brace rod of scalable moves back and forth when gap.Preferably, described position-limit mechanism
Double nut for mutual locking.
Preferably, described adjustable clearance portion is also included for fixing consolidating of described blind flange and described flange portion relative position
Determine mechanism.This fixed mechanism is preferably clip or bolt.
Preferably, described piston rod and described piston brace rod are connected by oscillating bearing.
Preferably, described piston rod is coaxial with described piston brace rod, the described pump housing.
In a kind of preferred technical scheme, the piston brace rod that the present invention provides includes club head, bar afterbody, connecting shaft
And gap adjustment axle；Wherein, one end of described connecting shaft is provided with flange portion and dismountable is fixedly arranged in this flange portion
Blind flange, described flange portion is provided with the pilot hole extending into axle, and the oral area of this pilot hole is provided with seam portion one；Described blind flange
It is provided with through hole, and be provided with the seam portion two with respect to described seam portion one in this through hole；Described gap adjustment axle include according to
Secondary guide section, collar, locking screw section, changeover portion and connecting section；Described guide section in described pilot hole, described collar
Between described seam portion one and described seam portion two, described locking screw section is provided with the double nut for mutual locking,
And described double nut is coordinated with the top of described blind flange, the width of described collar is less than described seam portion one and described seam
The distance between portion two, is that this piston brace rod of scalable is reciprocal by adjusting the distance between described double nut and described collar
Gap during motion；The other end of described connecting shaft is connected with described club head, the other end of described gap adjustment axle with described
Bar afterbody is connected, and adopts between described connecting shaft and described club head and/or between described gap adjustment axle and described bar afterbody
Scalable screw connection structure；Or the other end of described connecting shaft is connected with described bar afterbody, described gap adjustment axle another
One end is connected with described club head, between described connecting shaft and described bar afterbody and/or described gap adjustment axle and described head
Scalable screw connection structure is adopted between portion.
In another preferred technical scheme, the piston brace rod that the present invention provides includes club head, bar afterbody, connection
Axle, gap adjustment axle and sleeve body；Wherein, one end of described connecting shaft is provided with shaft shoulder portion one, and the one of described gap adjustment axle
End is provided with shaft shoulder portion two and is provided with locking screw section in the position closing on this shaft shoulder portion two, and described sleeve body includes cooperation assembling
Axle sleeve one, axle sleeve two, described axle sleeve one is provided with through axial bore one and seam portion one, described axle sleeve two be provided with through axial bore two and
Seam portion two；Described connecting shaft passes through described axle sleeve one and described shaft shoulder portion one is coordinated with described seam portion one；Described gap
Connecting shaft passes through described axle sleeve two and described shaft shoulder portion two to coordinate with described seam portion two, described shaft shoulder portion one and described axle
Shoulder two is respectively positioned between described seam portion one and described seam portion two；Described through axial bore two is provided with and described locking screw section
The female thread of cooperation；Nut for locking described axle sleeve two is additionally provided with described locking screw section；By adjusting described axle sleeve
Two with the gap that the relative position of described gap adjustment axle is when this piston brace rod of scalable moves back and forth.Described connecting shaft
The other end is connected with described club head, the other end of described gap adjustment axle is connected with described bar afterbody, described connecting shaft and institute
State between club head and/or between described gap adjustment axle and described bar afterbody, adopt scalable screw connection structure；Or institute
The other end stating connecting shaft is connected with described bar afterbody, the other end of described gap adjustment axle is connected with described club head, described
Scalable knot of threadeding is adopted between connecting shaft and described bar afterbody and/or between described gap adjustment axle and described club head
Structure.
Wherein, the described nut for locking can also adopt the locking machine for fixing its relative position of prior art
Structure replaces, such as clip etc..
Preferably, described scalable screw connection structure includes the thread bush of spiro rod section and the cooperation of this spiro rod section and consolidates
The locking member of the relative position of this thread bush fixed and this spiro rod section.Described locking member is preferably round nut.
Present invention also offers a kind of piston brace rod, including club head, bar afterbody, connecting shaft, gap adjustment axle and
Sleeve body；Wherein, one end of described connecting shaft is provided with shaft shoulder portion one, and one end of described gap adjustment axle is provided with locking screw section,
Described sleeve body is provided with shaft through-hole, and this shaft through-hole is sequentially provided with internal thread segment, hollow section, through axial bore one and this hollow section and is somebody's turn to do
Seam portion one between through axial bore one, described locking screw section and described internal thread segment screw, and are locked using nut；Institute
State shaft shoulder portion one to be located in described hollow section；It is adjustable by adjusting described gap adjustment axle with the relative position of described sleeve body
Save gap when this piston brace rod moves back and forth.The other end of described connecting shaft is connected with described club head, described gap is adjusted
The other end of nodal axisn is connected with described bar afterbody, between described connecting shaft and described club head and/or described gap adjustment axle with
Scalable screw connection structure is adopted between described bar afterbody；Or the other end of described connecting shaft is connected with described bar afterbody,
The other end of described gap adjustment axle is connected with described club head, between described connecting shaft and described bar afterbody and/or described between
Scalable screw connection structure is adopted between gap adjustment axis and described club head.Wherein, the described nut for locking is acceptable
Replaced for the retaining mechanism fixing its relative position using prior art, such as clip etc..
Preferably, the described pump housing includes cylinder barrel, cylinder top head, cylinder lower cover, wherein, covers and be provided with axis hole under cylinder, this axis hole
In be provided with bushing, described piston rod pass through this bushing and with this bushing be slidably matched.
Preferably, described piston rod includes light bar segment, the piston construction section of head and the joint of afterbody at middle part, described light
Bar segment and described bushing cooperation.
Preferably, the piston construction section of described piston rod includes the shaft shoulder, cylindrical section, thread segment；Install on described cylindrical section
There is described piston, between described piston and the described shaft shoulder, be provided with piston pressing plate one, described thread segment is provided with and is mainly used in compressing
Clamp nut, be provided with piston pressing plate two between described piston and described clamp nut.
Preferably, described clamp nut is to go back between acorn nut, and described acorn nut and described piston pressing plate two
It is provided with sealing ring.This sealing ring is preferably O-ring seals.
Preferably, it is additionally provided with L-shaped sealing ring between described piston pressing plate two and described piston.
Preferably, described cylinder barrel and the connected mode of described cylinder top head are a pair flange connection one with seam,
And this flange connection one locked by clip one；And this flange connection one is provided with and described clip one phase
The conical surface adapting to.
Preferably, described cylinder barrel and the connected mode of described cylinder lower cover are a pair flange connection two with seam,
And this flange connection two locked by clip two；And this flange connection two is provided with and described clip two-phase
The conical surface adapting to.
Preferably, described cylinder barrel and the joint of described cylinder top head are provided with sealing ring one.This sealing ring one is preferably and blocks
Hoop packing ring one.Preferably, the material of this clip packing ring one is silicone rubber.
Preferably, described cylinder barrel and the joint of described cylinder lower cover are provided with sealing ring two.This sealing ring two is preferably and blocks
Hoop packing ring two.Preferably, the material of this clip packing ring two is silicone rubber.
Preferably, it is provided with piston hole in described cylinder barrel body；Described cylinder top head is provided with through hole, and the bottom of this through hole be with
The adjacent cylindrical hole of described piston hole one, and this cylindrical hole one is adapted so that described piston can be with this circle with described piston hole
Post holes one matches.Preferably, described cylindrical hole one is provided with chamfering or fillet near one end of described piston hole.
Preferably, described cylinder top head is additionally provided with and is mainly used in preventing pressure in described cylinder barrel and/or described cylinder top head
Excessive structure of relief valve.
Preferably, described structure of relief valve includes overflow valve body, overflow valve rod, spring and is arranged on described cylinder top head
The upper overflow valve installing hole for installing described overflow valve body, described overflow valve body is included head and is installed with described overflow valve
The trunk portion of hole cooperation, this trunk portion is provided with spout hole or overflow launder for overflow；Described overflow valve rod passes through described
The head of overflow valve body；Described spring bypass described cylinder top head, described spring two ends respectively with protrude from described overflow valve body
The two ends of the described overflow valve rod of head both sides are connected, thus described overflow valve rod can produce thrust to described overflow valve body.
Preferably, it is additionally provided with the counter sink with the head fits of described overflow valve body at described overflow valve installing hole, this sinks
It is additionally provided with sealing ring three at head bore, make to form two roads sealings between described overflow valve body and described cylinder top head in non-overflow to carry
High described structure of relief valve sealing at ordinary times.This sealing ring three is preferably O-ring seals.
Preferably, cover under described cylinder and be provided with least one passage.
Preferably, the top of described cylinder top head is additionally provided with the installation for being attached to dosing pump on adaptable rotary valve
Ring flange.
Preferably, the joint of described piston rod afterbody includes the support arm of a pair alternate positioning, and this respectively has outer surface to support arm
With relative inner surface, this respectively defines hole to support arm, and each described hole extends between described inner surface and described outer surface,
Form the duct of be aligned.
Preferably, it is provided with bearing pin in described duct, one end of this bearing pin is provided with and limits this bearing pin towards its another end motion
Head, the other end of this bearing pin is provided with and limits the band that this bearing pin moves to its cephalad direction spanner.
Preferably, the other end of described bearing pin is provided with internal thread hole, and described band includes body and this internal thread hole spanner
The external thread section of cooperation and at least one tommy bar stretching out described body, described body is coordinated with the outer surface of corresponding support arm
Moved to its cephalad direction with reaching the described bearing pin of restriction.
Preferably, two ends of described piston hole are equipped with chamfering or fillet.
For solving above-mentioned second technical problem, present invention also offers a kind of rotary valve pump dress applying above-mentioned dosing pump
Put, the above-mentioned dosing pump applied due to it, therefore, this rotary valve pump installation be can adjust by the corresponding structure of regulation and enter every time
The filling amount of row fill.
For solving above-mentioned 3rd technical problem, invention further provides a kind of above-mentioned dosing pump of application or filling amount can
The filling machine of the rotary valve pump installation of adjustment.
With respect to above-mentioned background technology, beneficial effects of the present invention approximately as.
1. the dosing pump that the present invention provides, its piston brace rod, including this piston brace rod length of at least one scalable
Pars contractilis, described piston brace rod also include at least one have when this piston brace rod moves back and forth nominal clearance and
This gap is adjustable adjustable clearance portion.Therefore it has, and carries out significantly Traffic control system not only by pars contractilis, that is,
The significantly adjustment of filling amount；But also can be finely adjusted by adjustable clearance portion, i.e. the fine setting of filling amount.Not only adjustment side
Just, applied widely, and the fine setting in gap can also improve the filling accuracy of equipment.
2. the setting in seam portion one described in and described seam portion two so that its interior collar or two corresponding shaft shoulders only
Can be movable in the range of its restriction, and the cooperation due to locking nut, easily can adjust gap, thus being adjusted
The fine setting of filling amount.
3. the setting of pilot hole described in and the described guide section matching can improve coaxial between corresponding two parts
Degree.
4. the dosing pump that the present invention provides, the pump housing includes cylinder barrel, cylinder top head, cylinder lower cover, wherein, covers and be provided with axle under cylinder
Hole, is provided with bushing in this axis hole, and described piston rod passes through this bushing and is to be slidably matched with this bushing.Therefore, the footpath of piston rod
Limited to movement, minimum such that it is able to guarantee amplitude of fluctuation in running for the piston, be conducive to improving the use of piston
Life-span.
5. the setting of acorn nut described in, so that piston rod and the work accommodating chamber isolation of dosing pump, is conducive to holding to defend
Give birth to and be easy to clean.It is additionally provided with sealing ring between described acorn nut and described piston pressing plate and can improve effect further.
6. between cylinder barrel described in and described cylinder top head, described cylinder lower cover, using the flange connection with seam it is ensured that
The accuracy of installation site, and the setting of clip then makes to install, dismounting all becomes extremely convenient.
7. the setting of structure of relief valve described in is it is advantageously ensured that the pressure in described cylinder barrel and described cylinder top head is suitable
In the range of, it is beneficial to safety in production.
8. the joint of piston rod afterbody described in, its described support arm, described duct, bearing pin and band, the setting of spanner, make
The connectivity of described joint increases substantially, and can use without other instruments be directly realized by manually piston rod with right
Installation between the connecting rod answered or dismounting, replacing etc..Operationally equivalent convenience.And it is possible to make that bearing pin is relatively described to be connect
Head is in fixed state, is conducive to improving stability.
The setting of 9.L shape sealing ring, is conducive to the cleaning in dosing pump, because it is probably more beneficial for cavity wall
Extruding is clean；And be probably conducive to piston pair.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
The principle schematic diagram. of the dosing pump that Fig. 1 is provided by a kind of specific embodiment of the present invention；For convenience of illustrating, special
The piston brace rod of dosing pump is moved partially into the right side of in figure.
Fig. 2 be Fig. 1 in dosing pump piston brace rod partial structural diagram, schematically illustrate it adjustable
Clearance portion and pars contractilis.
Fig. 3 is the schematic diagram of a kind of optional embodiment of the gap adjustment axle of piston brace rod in Fig. 1 and Fig. 2.
Fig. 4 is the schematic diagram of another optional embodiment of the piston brace rod of dosing pump of the present invention.
Fig. 5 is the schematic diagram of another optional embodiment of the piston brace rod of dosing pump of the present invention.
Fig. 6 is the enlarged diagram on the top of Fig. 1.
Fig. 7 is the enlarged diagram of the bottom of Fig. 1.
Fig. 8 is the cross-sectional view at the overflow valve in figure Fig. 1 and Fig. 6.
Specific embodiment
It is an object of the invention to provide a kind of dosing pump, the structure of this dosing pump is simple, long service life and the suitability
By force.It is a further object to provide a kind of filling amount adjustable rotary valve pump installation applying above-mentioned dosing pump.This
Another bright purpose is to provide a kind of filling machine applying above-mentioned dosing pump or filling amount adjustable rotary valve pump installation.
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specifically real
The present invention is described in further detail to apply example.It should be noted that the embodiment in the case of not conflicting, in the application
And each particular technique feature described in embodiment can be combined by any suitable means；In order to avoid need not
The repetition wanted, the present invention no longer separately illustrates to various possible compound modes, as long as it is without prejudice to the thought of the present invention, it is same
Sample should be considered as content disclosed in this invention.
As shown in Figure 1, Figure 2 and Figure 3, the structural principle of the dosing pump that Fig. 1 is provided by a kind of specific embodiment of the present invention
Schematic diagram；For convenience of signal, the special right side that the piston brace rod of dosing pump is moved partially in figure；Fig. 2 is the metering in Fig. 1
Pump piston brace rod partial structural diagram, schematically illustrate its adjustable clearance portion and pars contractilis；Fig. 3 is figure
A kind of schematic diagram of the optional embodiment of the gap adjustment axle of the piston brace rod in 1 and Fig. 2.
In a kind of specific embodiment, as shown in Fig. 1 and Fig. 2, Fig. 3, a kind of dosing pump that the present invention provides, it is to make
Piston back and forth drives in pump chamber and carries out the dosing pump of conveyance fluid, including the pump housing 1, piston 2, piston rod 3 and piston even
Extension bar 4, wherein, piston 2 is arranged on the head of piston rod 3, the pump housing 1 can reciprocatingly supporting piston 2 and piston rod 3, live
The afterbody of stopper rod 3 is connected with the head 41 of piston brace rod 4, and piston brace rod 4 includes this piston of at least one scalable even
The pars contractilis 5 of extension bar length, piston brace rod 4 also include at least one have when this piston brace rod 4 moves back and forth specified
Gap and this gap are adjustable adjustable clearance portion 6.In fig. 1 and 2, pars contractilis 5 is provided with two, and adjustable clearance portion 6 is provided with
One；It is apparent that pars contractilis 5 arrange one also possible or more than two；The present invention does not specifically do any to it
Restriction；Adjustable clearance portion 6 generally only arranges one, but can also be more than one, and the present invention does not do specifically to it
Restriction.
Further, as shown in Figure 1, Figure 2 shown in Fig. 3, pars contractilis 5 is included external screw thread bar segment 51 and is revolved with this external screw thread bar segment 51
The inner screw sheath 52 closing and the locking member 53 that this external screw thread bar segment 51 and this inner screw sheath 52 interfix.In Fig. 1, Fig. 2
In, shown locking member 53 is round nut.Further, it is also possible to using other types of of the prior art for limiting external screw thread
The structure of relative position of bar segment 51 and this inner screw sheath 52 or parts.
Further, as shown in Figure 1, Figure 2 shown in Fig. 3, it is relative with this flange portion 61 that adjustable clearance portion 6 includes flange portion 61
The blind flange 62 of setting and gap adjustment axle 63, flange portion 61 is provided with the pilot hole 611 extending into bar and in this guiding
The oral area in hole 611 is provided with seam portion 1, and blind flange 62 is provided with through hole 621 and is provided with this through hole 621 with respect to only
The seam portion 2 622 of oral area 1.As shown in Figures 2 and 3, gap adjustment axle 63 includes being arranged on seam portion 1 and seam
Collar 631 between portion 2 622, one end of this collar 631 are provided with the guide section 632 being arranged in pilot hole 611, this collar
631 other end is provided with locking screw section 633, and this locking screw section 633 is provided with the double nut 64 for mutual locking, and
Double nut 64 is coordinated with the top of blind flange 62, and the width of collar 631 is less than between seam portion 1 and seam portion 2 622
Distance, by adjust the distance between double nut 64 and collar 631 be this piston brace rod 5 of scalable move back and forth when between
Gap.And, the double nut 64 of this restriction gap adjustment axle 63 blind flange 62 displacement relatively can also be existing using other
Position-limit mechanism replaces.
As shown in Fig. 2 adjustable clearance portion 6 also includes the clip for mounting flange lid 62 and flange portion 61 relative position
65.It is apparent that mounting flange lid 62 and flange portion 61 can also adopt the existing various suitable connected modes such as bolt
Fixed mechanism replace.
As shown in figure 1, piston rod 3 is connected by oscillating bearing 01 with piston brace rod 4.Thus, in piston brace rod 4
In the case of there is certain angle deviating and piston rod 3 between, the stressing conditions of its transmission are still good.
As shown in figure 1, piston rod 3 is coaxial with piston brace rod 4, the pump housing 1.So be conducive to improving stressing conditions, improve
Work efficiency.
In any of the above-described technical scheme, can also do and further improve.Specifically, as shown in Figure 1, Figure 2 and Figure 3,
The piston brace rod 4 that the present invention provides includes club head 41, bar afterbody 42, connecting shaft 43 and gap adjustment axle 44；Wherein, even
One end of spindle 43 is provided with flange portion 61 and dismountable blind flange 62 being fixedly arranged in this flange portion 61, and flange portion 61 is provided with
The pilot hole 611 extending into axle, the oral area of this pilot hole 611 is provided with seam portion 1；Blind flange 62 is provided with through hole 621, and
And it is provided with the seam portion 2 622 with respect to seam portion 1 at this through hole 621.Further, as shown in Figure 3 and Figure 4,
Gap adjustment axis 44 include guide section 632 successively, collar 631, locking screw section 633, changeover portion 634 and connecting section 635；Guiding
In pilot hole 611, collar 631 is located between seam portion 1 and seam portion 2 622 section 632, in locking screw section 633
It is provided with the double nut 64 for mutual locking, and double nut 64 is coordinated with the top of blind flange 62, the width of collar 631 is less than
The distance between seam portion 1 and seam portion 2 622, i.e. adjustable by adjusting the distance between double nut 64 and collar 631
Save the gap when moving back and forth for this piston brace rod 4.
In any of the above-described technical scheme, as depicted in figs. 1 and 2, the other end of connecting shaft 43 be connected with club head 41,
The other end of gap adjustment axis 44 is connected with bar afterbody 42, between connecting shaft 43 and club head 41 and/or gap adjustment axle 44 and bar
Scalable screw connection structure is adopted between afterbody 42.It is apparent that it is also possible that the other end of connecting shaft 43 and bar afterbody 42 phase
Even, the other end of gap adjustment axle 44 is connected with club head 41, between connecting shaft 43 and bar afterbody 42 and/or gap adjustment axle 44
Scalable screw connection structure is adopted and club head 41 between.Additionally, as shown in figure 1, being additionally provided with two in connecting shaft 43 symmetrically
Plane to 1, consequently facilitating being operated etc. using spanner.
In any of the above-described technical scheme.As shown in Figures 2 and 3, it is provided with work between collar 631 and locking screw section 633
Skill section 1, is provided with process section 2 638 between changeover portion 634 and connecting section 635, in order to processing and improving its performance.As
Shown in Fig. 3, changeover portion 634 adopts cylindrical section, and is provided with two symmetrical planes on this changeover portion 634 to 2 636, thus just
In being operated etc. using spanner.
On the basis of any of the above-described technical scheme, can also further be improved.Specifically, refer to Fig. 4, Fig. 4
Schematic diagram for another optional embodiment of the piston brace rod of the dosing pump of the present invention.
Specifically, as shown in figure 4, the piston brace rod 4 that the present invention provides includes club head 41, bar afterbody 42, connecting shaft
43rd, gap adjustment axle 44 and sleeve body 45；Wherein, one end of connecting shaft 43 is provided with shaft shoulder portion 1, gap adjustment axle 44
One end is provided with shaft shoulder portion 2 441 and is provided with locking screw section 442 in the position closing on this shaft shoulder portion 2 441, and sleeve body 45 includes
The axle sleeve 1 of cooperation assembling, axle sleeve 2 452, axle sleeve 1 is provided with through axial bore 1 and seam portion 1, axle sleeve two
452 are provided with through axial bore 2 455 and seam portion 2 456；Connecting shaft 43 passes through axle sleeve 1 and shaft shoulder portion 1 and seam
Portion 1 coordinates；Gap connecting shaft 43 passes through axle sleeve 2 452 and shaft shoulder portion 2 441 and seam portion 2 456 cooperation, shaft shoulder portion
1 and shaft shoulder portion 2 441 be respectively positioned between seam portion 1 and seam portion 2 456；Through axial bore 2 455 is provided with and locks
The female thread 457 of thread segment 442 cooperation；Nut 46 for locking axle sleeve 2 452 is additionally provided with locking screw section 442；Pass through
The relative position adjusting axle sleeve 2 452 with gap adjustment axle 44 is the gap when moving back and forth for this piston brace rod 4 of scalable.
In any of the above-described technical scheme, as depicted in figs. 1 and 2, the other end of connecting shaft 43 be connected with club head 41,
The other end of gap adjustment axis 44 is connected with bar afterbody 42, between connecting shaft 43 and club head 41 and/or gap adjustment axle 44 and bar
Scalable screw connection structure is adopted between afterbody 42.It is apparent that it is also possible that the other end of connecting shaft 43 and bar afterbody 42 phase
Even, the other end of gap adjustment axle 44 is connected with club head 41, between connecting shaft 43 and bar afterbody 42 and/or gap adjustment axle 44
Scalable screw connection structure is adopted and club head 41 between.
Additionally, as shown in figure 1, two symmetrical planes are additionally provided with connecting shaft 43 to 1, consequently facilitating using spanner
Operate etc..
On the basis of any of the above-described technical scheme, can also further be improved.Specifically, refer to Fig. 5, Fig. 5
Schematic diagram for another optional embodiment of the piston brace rod of the dosing pump of the present invention.
Specifically, as shown in figure 5, present invention also offers a kind of piston brace rod 4, including club head 41, bar afterbody 42,
Connecting shaft 43, gap adjustment axle 44 and sleeve body 45；Wherein, one end of connecting shaft 43 is provided with shaft shoulder portion 1, gap adjustment
One end of axle 44 is provided with locking screw section 442, and sleeve body 45 is provided with shaft through-hole 47, this shaft through-hole be sequentially provided with internal thread segment 471,
Seam portion 1 between hollow section 472, through axial bore 1 and this hollow section 472 and this through axial bore 1, locking screw
Section 442 is screwed with internal thread segment 471, and is locked using nut 46；Shaft shoulder portion 1 is located in hollow section 471；By adjusting
Internode gap adjustment axis 44 are the gap when moving back and forth for this piston brace rod 4 of scalable with the relative position of sleeve body 45.Excellent
Selection of land, as shown in figure 5, the top of the locking screw section 442 of gap adjustment axle 44 is additionally provided with two symmetrical planes to 3 444；
Sleeve body 45 is provided with two symmetrical planes to 4 458；Consequently facilitating being operated etc. using spanner.
In any of the above-described technical scheme, as depicted in figs. 1 and 2, the other end of connecting shaft 43 be connected with club head 41,
The other end of gap adjustment axis 44 is connected with bar afterbody 42, between connecting shaft 43 and club head 41 and/or gap adjustment axle 44 and bar
Scalable screw connection structure is adopted between afterbody 42.It is apparent that it is also possible that the other end of connecting shaft 43 and bar afterbody 42 phase
Even, the other end of gap adjustment axle 44 is connected with club head 41, between connecting shaft 43 and bar afterbody 42 and/or gap adjustment axle 44
Scalable screw connection structure is adopted and club head 41 between.
Additionally, above-mentioned gap adjustment axle is respectively labeled as gap adjustment axle 63 and gap adjustment axle 44, primarily to
Be easy to during different structure distinguish hence it is evident that low it is understood that for gap adjustment axle 44 be gap adjustment axle 63 other one kind
Or multiple improved structures.
On the basis of any of the above-described technical scheme, can also further be improved.Refer to Fig. 6 and Fig. 7；Fig. 6 is
The enlarged diagram on the top of Fig. 1；Fig. 7 is the enlarged diagram of the bottom of Fig. 1.
Specifically, as shown in Fig. 1, Fig. 6 and Fig. 7, the pump housing 1 includes cylinder barrel 11, cylinder top head 12, cylinder lower cover 13, wherein, cylinder
Lower cover 13 is provided with axis hole 131, is provided with bushing 132 in this axis hole, and piston rod 3 passes through this bushing 132 and with this bushing 132 is
It is slidably matched.As shown in Figure 1 and Figure 7, piston rod 3 includes light bar segment 31, the piston construction section 32 of head and the afterbody at middle part
Joint 33, light bar segment 31 is coordinated with bushing 132.
Further, as shown in Fig. 1,6 and 7, the piston construction section 32 of piston rod 3 includes the shaft shoulder 321, cylindrical section 322, spiral shell
Stricture of vagina section 323；Piston 2 is provided with cylindrical section 322, between piston 2 and the described shaft shoulder, is provided with piston pressing plate 1, thread segment 523
It is provided with the clamp nut 22 being mainly used in compressing, between piston 2 and clamp nut 22, be provided with piston pressing plate 2 23.Wherein, live
Plug 2 can also be the piston of suitable, the other common type that can apply to this.
Further, as shown in Fig. 1,6 and 7, clamp nut 22 is acorn nut, and described acorn nut and piston
It is additionally provided with sealing ring 24 between pressing plate 2 23.This sealing ring 24 is preferably O-ring seals.Preferably, piston pressing plate 2 23 and work
It is additionally provided with L-shaped sealing ring 25 between plug 2.
Obviously, it should be noted that in the present invention, the pump housing 1, piston 2 and piston 3 can also adopt of the prior art
Any suitable structure.And, the connection between the piston construction section 32 of above-mentioned piston rod 3 and piston 2, matching relationship are not
It is confined to this, can also be replaced with other conventional structures.
In technique scheme, can also further be improved.As shown in Fig. 1,6 and 7, cylinder barrel 11 and cylinder top head
12 connected mode is a pair flange connection one with seam, and this flange connection one is locked by clip 1
Tightly；And this flange connection one is provided with the conical surface being adapted with clip 1.Specifically, described flange connection one
Including on the flange 1 on cylinder barrel 11, the flange 2 122 on cylinder top head 12, and flange 1 and flange 2 122 point
It is not provided with the seam cooperating, flange 1 is provided with the corresponding conical surface one, flange 2 122 is provided with the corresponding conical surface two.
In technique scheme, can also further be improved.As shown in Fig. 1,6 and 7, cylinder barrel 11 and cylinder lower cover
13 connected mode is a pair flange connection two with seam, and this flange connection two is locked by clip 2 03
Tightly, and flange connection two be provided with clip 2 03 be adapted the conical surface.Specifically, described flange connection two wraps
Include the flange 3 113 on cylinder barrel 11, on the flange 4 134 on cylinder lower cover 13, and flange 3 113 and flange 4 134 respectively
It is provided with the seam cooperating, flange 3 113 is provided with the corresponding conical surface three, flange 4 134 is provided with the corresponding conical surface four.
Preferably, as shown in figs. 1 and 6, cylinder barrel 11 and the joint of cylinder top head 12 are provided with sealing ring 1.This sealing ring
One 04 are preferably clip packing ring one.Preferably, the material of this clip packing ring 1 is silicone rubber.
Preferably, as illustrated in figures 1 and 7, cylinder barrel 11 and the joint of cylinder lower cover 13 are provided with sealing ring 2 05.This sealing ring
2 05 are preferably clip packing ring two.Preferably, the material of this clip packing ring 2 05 is silicone rubber.
In any of the above-described technical scheme, can also further be improved.As shown in figs. 1 and 6, it is provided with cylinder barrel 11
Piston hole 111；Cylinder top head 12 is provided with through hole 120, and the bottom of this through hole 120 is the cylindrical hole one adjacent with piston hole 111
121, and this cylindrical hole 1 and piston hole 111 be adapted so that piston 2 can be matched with this cylindrical hole 1.Preferably
Ground, cylindrical hole 1 is provided with chamfering or fillet near one end of piston hole 111.The upper end of piston hole 111 and/or lower end set
There are chamfering or fillet.
In any of the above-described technical scheme, can also further be improved.As shown in figure 8, Fig. 8 is in Fig. 1 and Fig. 6
Permanent schematic cross-section at overflow valve.
Specifically, as shown in Fig. 1,6 and 8, cylinder top head 12 is provided with and is mainly used in preventing cylinder barrel 11 and/or cylinder top head 12
The excessive structure of relief valve of interior pressure 06.
As shown in Fig. 1,6 and 8, structure of relief valve 06 includes overflow valve body 061, overflow valve rod 062, spring 063, Yi Jishe
Put and be used for installing the overflow valve installing hole 123 of overflow valve body 061 on cylinder top head 12, overflow valve body 061 include head 0611 with
And with overflow valve installing hole 123 cooperation trunk portion 0612, this trunk portion 0612 be provided with for overflow spout hole 0613 or
Person's overflow launder；Overflow valve rod 062 passes through the head 0611 of overflow valve body 061；Spring 063 bypasses described cylinder top head 12, spring 063
Two ends be connected with the two ends of the overflow valve rod 062 of head 0611 both sides protruding from overflow valve body 061 respectively, thus overflow valve
Bar 062 can produce thrust to overflow valve body 061.Wherein, spout hole 0613 or overflow launder can be any suitable hole or
Person's groove, if its can after overflow valve body 061 is displaced outwardly certain distance can overflow to reach the purpose of overflow.
Further, coordinate as shown in figure 8, being additionally provided with overflow valve installing hole 123 with the head 0611 of overflow valve body 061
Counter sink 124, be additionally provided with sealing ring 3 125 at this counter sink 124, make do not overflowing between overflow valve body 061 and cylinder top head 12
Formed during stream two roads sealings with improve structure of relief valve 06 flat when sealing.
In any of the above-described technical scheme, can also further be improved.As illustrated in figures 1 and 7, cylinder lower cover 13 is provided with
At least one passage 133.
In any of the above-described technical scheme, can also further be improved.As shown in figs. 1 and 6, the top of cylinder top head 12
It is additionally provided with the mounting flange 126 for being attached to dosing pump on adaptable rotary valve.Dosing pump is installed to rotary valve pair
On the position answered, you can constitute a complete rotary valve pump installation, its specifically install or connected mode be referred to existing
Technology, repeats no more in the present invention.
In any of the above-described technical scheme, can also further be improved.As illustrated in figures 1 and 7, piston rod 3 afterbody
Joint 33 includes the support arm 331 of a pair alternate positioning, and this respectively has outer surface 332 and relative inner surface 333 to support arm 331, should
Support arm respectively defines hole 334, and each hole 334 extends between inner surface 333 and outer surface 332, forms the duct 335 of be aligned.
Preferably, it is provided with bearing pin 34 in duct 335, one end of this bearing pin 34 is provided with and limits the head towards its another end motion for this bearing pin 34
Portion 341, the other end of this bearing pin 34 is provided with and limits the band that this bearing pin 34 moves to its head 341 direction spanner 35.
Further, as shown in fig. 7, the other end of bearing pin 34 is provided with internal thread hole 342, band includes body spanner 35
351 and this internal thread hole 342 cooperation external thread section 352 and at least one tommy bar 333 stretching out body 351, body 351
Coordinate with the outer surface 332 of corresponding support arm 331 and moved to its head 341 direction with reaching the described bearing pin 34 of restriction.
For solving second technical problem of the present invention, present invention also offers a kind of rotary valve pump installation, this rotary valve pump bag
Include the dosing pump described in any of the above-described technical scheme.The dosing pump that please provided according to technique scheme and with reference to related
Prior art or known technology, this dosing pump is arranged on suitable rotary valve body to realize its function, specific implements
Repeat no more in scheme the application.
Can adjust filling amount by adjusting the stroke of described piston brace rod, by adjusting described piston brace rod past
Gap when moving again can also be adjusted to filling amount, and specific stroke adjustment could be aware that according to prior art, this Shen
Please in also do not repeat.
For solving the 3rd technical problem of the present invention, invention further provides a kind of filling machine, this filling machine includes
State the dosing pump described in arbitrary technical scheme or rotary valve pump installation.The dosing pump that please provided according to technique scheme or
Person's rotary valve pump installation and with reference to related prior art or known technology, by this dosing pump or rotary valve pump installation reasonably
It is arranged on filling machine to realize its function, repeat no more in specific embodiment the application.
The function of the above-mentioned dependency structure to the present invention or the description of effect, refer to that it has this function or effect,
It is possible to also there is other functions or effect, therefore, is not construed as it is carried out with the improper restriction of function or effect.
Above to invention a kind of dosing pump being provided, the filling amount adjustable rotary valve pump installation comprising this dosing pump,
Comprise this dosing pump or the filling machine of filling amount adjustable rotary valve pump installation is described in detail.Tool used herein
Body example is set forth to the principle of the present invention and embodiment, and the explanation of above example is only intended to help and understands this
Bright method and its core concept.It should be pointed out that for those skilled in the art, without departing from the present invention
On the premise of principle, the present invention can also be carried out with some improvement and modify, these improve and modification also falls into right of the present invention
In the protection domain requiring.
Claims (48)
1. a kind of dosing pump, it is so that piston is back and forth driven in pump chamber and carry out the dosing pump of conveyance fluid, including the pump housing, work
Plug, piston rod and piston brace rod are it is characterised in that described piston is arranged on the head of described piston rod；
The described pump housing can reciprocatingly support described piston and described piston rod；
The afterbody of described piston rod is connected with the head of described piston brace rod；
Described piston brace rod includes the pars contractilis of this piston brace rod length of at least one scalable；
Described piston brace rod also includes at least one and has nominal clearance and this gap when this piston brace rod moves back and forth
For adjustable adjustable clearance portion.
2. dosing pump according to claim 1 it is characterised in that：Described pars contractilis is screw connected pars contractilis.
3. dosing pump according to claim 1 it is characterised in that：Described pars contractilis includes external screw thread bar segment and this outer spiral shell
Inner screw sheath and the locking member that this external screw thread bar segment and this inner screw sheath interfix that rasp bar section screws.
4. dosing pump according to claim 3 it is characterised in that：Described locking member is round nut.
5. dosing pump according to claim 1 it is characterised in that：Described adjustable clearance portion includes flange portion and this flange
Blind flange and gap adjustment axle that portion is oppositely arranged, described flange portion is provided with the pilot hole extending into bar and leads at this
It is provided with seam portion one to the oral area in hole, described flange is covered with through hole and is provided with respect to described seam portion in this through hole
One seam portion two；Collar that described gap adjustment axle includes being arranged between described seam portion one and described seam portion two, should
One end of collar is provided with the guide section being arranged in described pilot hole, the other end of this collar is provided with collar locking screw section, should
Locking screw section is provided with the position-limit mechanism for limiting described gap adjustment axle and described blind flange relative movement distance；Described
The width of collar be less than the distance between described seam portion one and described seam portion two, by adjust described position-limit mechanism with described
The distance between collar is gap when this piston brace rod of scalable moves back and forth.
6. dosing pump according to claim 5 it is characterised in that：Described adjustable clearance portion is also included for fixing described method
Blue lid and the fixed mechanism of described flange portion relative position.
7. dosing pump according to claim 6 it is characterised in that：Described fixed mechanism is clip or bolt.
8. dosing pump according to claim 5 it is characterised in that：Described position-limit mechanism is the double nut of mutual locking.
9. dosing pump according to claim 1 it is characterised in that：Described piston rod passes through joint with described piston brace rod
Bearing is connected.
10. dosing pump according to claim 1 it is characterised in that：Described piston rod and described piston brace rod, described pump
Body is coaxial.
11. dosing pumps according to claim 1 it is characterised in that：Described piston brace rod include club head, bar afterbody,
Connecting shaft and gap adjustment axle；Wherein, one end of described connecting shaft is provided with flange portion and dismountable is fixedly arranged on this flange
Blind flange in portion, described flange portion is provided with the pilot hole extending into axle, and the oral area of this pilot hole is provided with seam portion one；Described
Flange is covered with through hole, and is provided with the seam portion two with respect to described seam portion one in this through hole；Described gap adjustment axle
Including the guide section setting gradually, collar, locking screw section, changeover portion and connecting section；Described guide section is located at described pilot hole
In, described collar is located between described seam portion one and described seam portion two, and described locking screw section is provided with for mutually interlocking
Tight double nut, and the top cooperation of described double nut and described blind flange, the width of described collar is less than described seam portion
The distance between one and described seam portion two, by adjusting described double nut and i.e. this work of scalable of the distance between described collar
Gap when plug connecting rod moves back and forth.
12. dosing pumps according to claim 11 it is characterised in that：The other end of described connecting shaft and described club head phase
Even, the connecting section of described gap adjustment axle is connected with described bar afterbody, between described connecting shaft and described club head and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described bar afterbody.
13. dosing pumps according to claim 11 it is characterised in that：The other end of described connecting shaft and described bar afterbody phase
Even, the connecting section of described gap adjustment axle is connected with described club head, between described connecting shaft and described bar afterbody and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described club head.
14. dosing pumps according to claim 1 it is characterised in that：Described piston brace rod include club head, bar afterbody,
Connecting shaft, gap adjustment axle and sleeve body；Wherein, one end of described connecting shaft is provided with shaft shoulder portion one, described gap adjustment axle
One end be provided with shaft shoulder portion two and be provided with locking screw section in the position closing on this shaft shoulder portion two, described sleeve body include coordinate
The axle sleeve one of assembling, axle sleeve two, described axle sleeve one is provided with through axial bore one and seam portion one, and described axle sleeve two is provided with through axial bore
Two and seam portion two；Described connecting shaft passes through described axle sleeve one and described shaft shoulder portion one is coordinated with described seam portion one；Described
Gap adjustment axle passes through described axle sleeve two and described shaft shoulder portion two to coordinate with described seam portion two, described shaft shoulder portion one and institute
State shaft shoulder portion two to be respectively positioned between described seam portion one and described seam portion two；Described through axial bore two is provided with and described locking screw
The female thread of stricture of vagina section cooperation；Retaining mechanism for locking described axle sleeve two is additionally provided with described locking screw section；By adjusting
The relative position of described axle sleeve two and described gap adjustment axle is gap when this piston brace rod of scalable moves back and forth.
15. dosing pumps according to claim 14 it is characterised in that：The other end of described connecting shaft and described club head phase
Even, the other end of described gap adjustment axle is connected with described bar afterbody, between described connecting shaft and described club head and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described bar afterbody.
16. dosing pumps according to claim 14 it is characterised in that：The other end of described connecting shaft and described bar afterbody phase
Even, the other end of described gap adjustment axle is connected with described club head, between described connecting shaft and described bar afterbody and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described club head.
17. dosing pumps according to claim 14 it is characterised in that：Described retaining mechanism is nut.
18. dosing pumps according to claim 12,13,15 or 16 it is characterised in that：Described scalable screw connection structure
Thread bush including spiro rod section and the cooperation of this spiro rod section and the locking fixing this thread bush and the relative position of this spiro rod section
Part.
19. dosing pumps according to claim 18 it is characterised in that：Described locking member is round nut.
20. dosing pumps according to claim 1 it is characterised in that：Described piston brace rod include club head, bar afterbody,
Connecting shaft, gap adjustment axle and sleeve body；Wherein, one end of described connecting shaft is provided with shaft shoulder portion one, described gap adjustment axle
One end be provided with locking screw section, described sleeve body is provided with shaft through-hole, and this shaft through-hole is sequentially provided with internal thread segment, hollow section, logical
Seam portion one between axis hole one and this hollow section and this through axial bore one, described locking screw section and described internal thread segment rotation
Close, and locked using retaining mechanism；Described shaft shoulder portion one is located in described hollow section；By adjusting described gap adjustment axle
Relative position with described sleeve body is gap when this piston brace rod of scalable moves back and forth.
21. dosing pumps according to claim 20 it is characterised in that：The other end of described connecting shaft and described club head phase
Even, the other end of described gap adjustment axle is connected with described bar afterbody, between described connecting shaft and described club head and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described bar afterbody.
22. dosing pumps according to claim 20 it is characterised in that：The other end of described connecting shaft and described bar afterbody phase
Even, the other end of described gap adjustment axle is connected with described club head, between described connecting shaft and described bar afterbody and/or described
Scalable screw connection structure is adopted between gap adjustment axle and described club head.
23. dosing pumps according to claim 20 it is characterised in that：Described retaining mechanism is nut.
24. dosing pumps according to claim 21 or 22 it is characterised in that：Described scalable screw connection structure includes spiral shell
The thread bush of bar segment and the cooperation of this spiro rod section and the locking member fixing this thread bush and the relative position of this spiro rod section.
25. dosing pumps according to claim 24 it is characterised in that：Described locking member is round nut.
26. dosing pumps according to claim 1 it is characterised in that：The described pump housing includes cylinder barrel, cylinder top head, cylinder lower cover,
Wherein, cover under cylinder and be provided with axis hole, in this axis hole, be provided with bushing, described piston rod passes through this bushing and is to slide with this bushing
Cooperation.
27. dosing pumps according to claim 26 it is characterised in that：Described piston rod includes the light bar segment at middle part, head
Piston construction section and afterbody joint, described light bar segment and the cooperation of described bushing；And/or the piston construction section of described piston rod
Including the shaft shoulder, cylindrical section, thread segment；Described piston is provided with described cylindrical section, is provided between described piston and the described shaft shoulder
Piston pressing plate one, described thread segment is provided with the clamp nut being mainly used in compressing, between described piston and described clamp nut
It is provided with piston pressing plate two.
28. dosing pumps according to claim 27 it is characterised in that：Described clamp nut is acorn nut, and described
It is additionally provided with sealing ring between acorn nut and described piston pressing plate two.
29. dosing pumps according to claim 28 it is characterised in that：Described sealing ring is O-ring seals.
30. dosing pumps according to claim 27 it is characterised in that：Also set between described piston pressing plate two and described piston
There is L-shaped sealing ring.
31. dosing pumps according to claim 26 it is characterised in that：Described cylinder barrel and the connected mode of described cylinder top head
For a pair flange connection one with seam, and this flange connection one is locked by clip one；And this flange
Attachment structure one is provided with the conical surface being adapted with described clip one；And/or the connection side of described cylinder barrel and described cylinder lower cover
Formula is a pair flange connection two with seam, and this flange connection two is locked by clip two；And this method
Flange connection structure two is provided with the conical surface being adapted with described clip two.
32. dosing pumps according to claim 31 it is characterised in that：Described cylinder barrel is set with the joint of described cylinder top head
There is sealing ring one.
33. dosing pumps according to claim 32 it is characterised in that：Described sealing ring one is clip packing ring one.
34. dosing pumps according to claim 33 it is characterised in that：The material of described clip packing ring one is silicone rubber.
35. dosing pumps according to claim 31 it is characterised in that：Described cylinder barrel is set with the joint of described cylinder lower cover
There is sealing ring two.
36. dosing pumps according to claim 35 it is characterised in that：Described sealing ring two is clip packing ring two.
37. dosing pumps according to claim 36 it is characterised in that：The material of described clip packing ring two is silicone rubber.
38. dosing pumps according to claim 26 it is characterised in that：It is provided with piston hole in described cylinder barrel body.
39. dosing pumps according to claim 38 it is characterised in that：Described cylinder top head is provided with through hole, and this through hole
Bottom is the cylindrical hole one adjacent with described piston hole, and this cylindrical hole one is adapted with described piston hole so that described piston
Can match with this cylindrical hole one；And/or described cylindrical hole one is provided with chamfering or fillet near one end of described piston hole；
And/or two ends of described piston hole are equipped with chamfering or fillet.
40. dosing pumps according to any one of claim 26 to 39 it is characterised in that：It is additionally provided with master on described cylinder top head
It is used for preventing the excessive structure of relief valve of pressure in described cylinder barrel and/or described cylinder top head.
41. dosing pumps according to claim 40 it is characterised in that：Described structure of relief valve includes overflow valve body, overflow
Valve rod, spring and be arranged on described cylinder top head and be used for installing the overflow valve installing hole of described overflow valve body, described overflow valve
Body include head and with described overflow valve installing hole cooperation trunk portion, this trunk portion be provided with for overflow spout hole or
Person's overflow launder；Described overflow valve rod passes through the head of described overflow valve body；Described spring bypasses described cylinder top head, described spring
Two ends are connected with the two ends of the described overflow valve rod protruding from described overflow valve head both sides respectively, thus described overflow valve rod
Thrust can be produced to described overflow valve body；It is additionally provided with described overflow valve installing hole and the head fits of described overflow valve body
Counter sink, is additionally provided with sealing ring three at this counter sink, make to be formed in non-overflow between described overflow valve body and described cylinder top head
Two roads seal to improve described structure of relief valve sealing at ordinary times.
42. dosing pumps according to claim 41 it is characterised in that：Described sealing ring three is O-ring seals.
43. dosing pumps according to any one of claim 26 to 39 it is characterised in that：Cover under described cylinder and be provided with least
One passage.
44. dosing pumps according to any one of claim 26 to 39 it is characterised in that：The top of described cylinder top head also sets
There is the mounting flange for being attached to dosing pump on adaptable rotary valve.
45. dosing pumps according to any one of claim 26 to 39 it is characterised in that：The joint of described piston rod afterbody
Including the support arm of a pair alternate positioning, this respectively has outer surface and relative inner surface to support arm, and this respectively defines hole to support arm, often
Individual described hole extends between described inner surface and described outer surface, forms the duct of be aligned；And/or it is provided with pin in described duct
Axle, one end of this bearing pin is provided with the head limiting this bearing pin towards its another end motion, and the other end of this bearing pin is provided with restriction should
The band that bearing pin moves to its cephalad direction is spanner.
46. dosing pumps according to claim 45 it is characterised in that：The other end of described bearing pin is provided with internal thread hole, institute
State band spanner include body and this internal thread hole cooperation external thread section and at least one tommy bar stretching out described body,
Described body is moved to its cephalad direction with reaching the described bearing pin of restriction with the outer surface cooperation of corresponding support arm.
A kind of adjustable rotary valve pump installation of 47. filling amounts, including dosing pump it is characterised in that described dosing pump will for right
Seek the dosing pump any one of 1 to 46.
A kind of 48. filling machines are it is characterised in that the dosing pump any one of inclusion Claims 1-4 6 or right will
Seek the rotary valve pump installation described in 47.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299002.XA CN104986366B (en) | 2015-06-03 | 2015-06-03 | Filling machine, filling amount adjustable rotary valve pump installation and its dosing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299002.XA CN104986366B (en) | 2015-06-03 | 2015-06-03 | Filling machine, filling amount adjustable rotary valve pump installation and its dosing pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104986366A CN104986366A (en) | 2015-10-21 |
| CN104986366B true CN104986366B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510299002.XA Active CN104986366B (en) | 2015-06-03 | 2015-06-03 | Filling machine, filling amount adjustable rotary valve pump installation and its dosing pump |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115027732B (en) * | 2022-07-28 | 2023-09-22 | 扬州美达灌装机械有限公司 | High-efficient duplex position aerosol liquid filling machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB114084A (en) * | 1917-07-03 | 1918-03-21 | Hermann Frehrs | Improvements in Measuring Pumps for Filling Receptacles with Viscous Material. |
| CN2165100Y (en) * | 1993-07-20 | 1994-05-18 | 沈阳松陵软包装机制造厂 | Constant weight adjusting system for full automatic semifluid packing machine |
| DE19833504C2 (en) * | 1998-07-24 | 2000-05-04 | Gneuss Kunststofftechnik Gmbh | Plastic melt gun |
| JP2002173102A (en) * | 2000-12-06 | 2002-06-18 | Toyo Jidoki Co Ltd | Device for adjusting filling quantity of liquid stuff filling machine |
| CN2736258Y (en) * | 2004-10-01 | 2005-10-26 | 吴朝武 | Numerical-control pouring-in device |
| CN202244133U (en) * | 2011-08-15 | 2012-05-30 | 拜耳作物科学(中国)有限公司 | Piston metering and filling device |
| CN102923333B (en) * | 2012-11-02 | 2015-11-25 | 蔡建武 | Adjustable capacity filling liquid mechanism |
| CN104295761A (en) * | 2014-09-25 | 2015-01-21 | 广州达意隆包装机械股份有限公司 | Plunger valve |
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