CN106762550A - A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting - Google Patents
A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting Download PDFInfo
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- CN106762550A CN106762550A CN201710122112.8A CN201710122112A CN106762550A CN 106762550 A CN106762550 A CN 106762550A CN 201710122112 A CN201710122112 A CN 201710122112A CN 106762550 A CN106762550 A CN 106762550A
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- Prior art keywords
- pump head
- head mounting
- cylinder
- lightweight
- compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention belongs to fluid machinery technical field, it is related to a kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting, the body construction of the pump head mounting is in flat in rack shape, further, the two load important actors split in pump head mounting bearing saddle bore axis both sides are offered on body construction simultaneously, each load important actor offers unique installation hole, and supporting plane is provided with load important actor or/and body construction；Be fitted with the compressor of the pump head mounting using with install that be pressed against cylinder head on seat board by matched two bolts of hole, seat board is pressed against on cylinder, cylinder is pressed against on the supporting plane of pump head mounting.Because of the lightweight pump head mounting using rack shape or even flat, the supporting plane of adjustable displacements of cylinders installation site and only two assembling structures of fastening bolt, therefore it is fitted with that the oil-free air compressor of lightweight pump head mounting its weight lighter, alignment error fault tolerance is stronger, pump head assembling capacity is more preferable.
Description
Technical field
The invention belongs to fluid machinery technical field, it is related to a kind of structure of fluid machinery pump head mounting and layout, especially
It is related to the pump head mounting for being applied to compressor and the oil-free air compressor for being fitted with the pump head mounting.
Background technology
Fluid machinery is that category amount is big trandfer fluid working medium or to be used to improve the mechanical device of fluid working substance pressure,
The wide, universal machine that influence is deep.Reciprocating compressor is typical positive displacement fluid machinery, oil-free particularly therein
Air compressor, even more due to simple to operate and easy to maintenance in fitting-up, health care, Electronic Packaging and food bag
The industries such as dress are widely used, and develop all the way with industrial civilization, and time-honored typical fluid machine has been turned into so far
Tool device.
Currently, power 2 horsepowers or so small oil-free air compressor generally using direct connection drive topology layout with
Drive manner, that is, remove to directly drive the connecting rod and piston of compressor pump head using motor, and and then complete compressor pump head
The working cycle process such as air inlet, compression and exhaust.Therefore, the pump head of such compressor must be by a mounting that is, pump head seat
Frame comes to be occurred to install and couple with motor.Generally, the pump head mounting of compressor is laid out at the termination position of motor, on the one hand it
Both the supporting member of rotor had been constituted, on the other hand it can fasten the main parts size such as gas for installing compressor pump head again
Cylinder, seat board and cylinder head etc., this structural shape are the classical layout of Oil-free Mechanical Vacuum Pump air compressor instantly.
However, the pump head mounting generally existing volume of existing oil-free air compressor is excessive, heavier-weight and after being unfavorable for
The drawbacks such as the installation and adjustment of phase pump head part.Pump head mounting with the widely used oil-free air compressor of in the market instantly is
Example (referring to Fig. 1 to Fig. 4), it is seen that, the type pump head mounting possesses a body construction for shelly 1, on the body construction 1
Offer to position and deep gouge 2 is installed with the annular of support both compression machine cylinder, and offer to fasten compressor valve seat board
And the screwed hole 3 of cylinder head, the bearing saddle bore 4 to supporting motor rotor being further opened with body construction 1 in addition, can see
Go out, above-mentioned conventional pump headstock frame still there are unreasonable place in terms of structure design layout, be in particular in：1) it is first
First, the body construction 1 of pump head mounting is designed to the housing for encircling shape of large area, thus inevitably enlarges the body of body construction 1
Accumulate and take more material, also therefore inevitably result in the weight increase of pump head mounting；2) secondly, the annular peace of pump head mounting
Dress deep gouge 2 its topology layout situation causes that the cylinder of compressor is difficult to be adjusted when mounted, covers because of the spiral shell on body construction 1
Pit 3 limits installation deep gouge 2 and can not carry out continuation along the axis direction (that is, axis direction of bearing saddle bore 4) of motor, this
Mean that the cylinder is difficult to be adjusted in electrical axis direction when cylinder is installed, in other words pump head mounting is limited to screw thread
The position in hole 3 and cause its fault tolerance to rigging error weaker, in fact, assemble compressor pump head when due to piston connect
Bar assembly is frequently subjected to the influence of motor rotor shaft axial direction foozle and rigging error, so that requiring that cylinder must be on edge
The axial direction of bearing saddle bore 4 retains certain adjustment leeway, otherwise easily causes piston and eccentric wear occurs with cylinder cylinder holes wall；
3) also have, (quantity of screwed hole 3 is unexpectedly more in the example shown in Fig. 1 to Fig. 4 too much for the quantity of the screwed hole 3 of pump head mounting
Up to six), efficiency of assembling when installing compressor valve seat board and cylinder head is thereby also reduced, this point is obvious event
Do not need to repeat；4) it is last, equally it is that the quantity of the screwed hole 3 of pump head mounting is too many, so that the body construction 1 of pump head mounting is not
Obtain and do not possess sufficiently large width dimensions in the axial direction of bearing saddle bore 4, so as to cause the volume of pump head mounting body construction 1 big
Weight weight, is equally unfavorable for the compact design of compressor pump head.
To sum up, existing pump headstock frame in particular for air compressor pump head mounting, or because using large area shelly
Construct and cause weight excessive or be difficult to adjust because supporting the supporting plane layout of pump head cylinder and being limited, again or because of fastening pump
The bolt quantity of head excessively causes pump head efficiency of assembling not high, as a result causes pump head mounting and the pressure using the pump head mounting
Contracting machine there are many defects at aspects such as lightweight, production convenience.In one word, conventional pump headstock frame sets in structure
Still there is worth area for improvement on meter.
The content of the invention
For the above mentioned problem that current pump head mounting is present, the present invention proposes a kind of lightweight pump head mounting, it is therefore intended that：
It is laid out by light-weight design and Rational structure, pump head mounting is compared existing structure and assembled with lighter weight, preferably
The pump head part installation effectiveness of fault tolerance and Geng Gao；Further, the present invention also provides a kind of with the lightweight pump head mounting
Oil-free air compressor, the compressor compare for the compressor of equipped conventional pump headstock frame have lighter main screw lift and
More preferable assembling capacity.
The object of the present invention is achieved like this：A kind of lightweight pump head mounting, bearing is offered on the pump head mounting
Bore, the body construction of the pump head mounting is in rack shape, and interval offers two load important actors on the body construction, described
Two load important actors split in the same side of bearing saddle bore axis, each offered on each load important actor unique
One installation hole, support platform is offered on load important actor or/and body construction, the support platform possesses a branch
Peaceful face.
Further, above-mentioned all supporting planes are laid out between two load important actors.
Further, above-mentioned all supporting planes with bearing saddle bore diameter parallel.
Further, above-mentioned all supporting planes are coplanar setting.
Further, above-mentioned installation hole is screwed hole construction.
Further, the axis of above-mentioned screwed hole construction is vertical with supporting plane.
Hole its feature axis is installed two on above-mentioned two load important actor to be in same characteristic plane, and should
Characteristic plane is vertical with bearing saddle bore axis.
, further presented as flat, wherein body construction is along bearing saddle bore axis direction for the body construction of said pump headstock frame
120% of characteristic width dimension less than or equal to the feature fit diameter size of the bearing saddle bore.
A kind of oil-free air compressor equipped with lightweight pump head mounting, includes motor, piston, connecting rod, cylinder, valve seat
Plate, cylinder head and fastening bolt, wherein piston are fastenedly connected with connecting rod and are placed in the cylinder, and pump head mounting is fastened with motor
Connect and be laid out at the termination position of motor, it is characterised in that：In the middle of each compressor pump head, by cylinder head, seat board
And a total of two of the quantity of fastening bolt that cylinder and pump head mounting are fastened together, this two fastening bolts respectively with
Two installation holes on pump head mounting are matched, and wherein cylinder head is pressed against on seat board, seat board is pressed against on cylinder, gas
Cylinder is pressed against on the supporting plane of pump head mounting.
Further, the plane that the axis of above-mentioned two fastening bolts is parallel to each other and it is constituted is by cylinder cylinder holes axle
Line.
Further, the plane that above-mentioned two fastening bolts its axis is constituted is vertical with bearing saddle bore axis.
Further, the axis of above-mentioned two fastening bolts is connected with two load important actors of lightweight pump head mounting respectively
Installation hole feature axis overlap.
Further, the quantity one of above-mentioned lightweight pump head mounting has two, and splits at the two ends of motor, described
Piston, connecting rod, cylinder, seat board and cylinder head also respectively have two and separately constitute two compressor pump heads, and this two
Individual compressor pump head is matched with described two pump head mountings respectively and receives the driving of motor.
Further, two above-mentioned layouts of compressor pump head, their progress of work presses the rotation of motor rotor shaft
Its phase difference 180 degree when angle is measured.
The outstanding advantages that have compared to existing technology of the present invention are：The body construction of compressor pump headstock frame is using hollow out
Grid structure, further also using the structure of flat, therefore can be significantly reduced compared with the existing pump head mounting for encircling shelly
The weight of its body construction, while the substantial hole of installing of only two of the present invention does not interfere supporting plane significantly along axle
The extension of bearing hole axial direction, therefore it can tolerate that cylinder has larger motor axial direction when compressor pump head is supported
Alignment error.Further, being equipped with the compressor pump head of the pump head mounting only needs to complete it by two fastening bolts to be fastenedly connected,
The efficiency of assembling of compressor is significantly enhanced, therefore is fitted with the oil-free air compressor of the lightweight pump head mounting compared to equipped
The compressor of conventional pump headstock frame will have lighter main screw lift and more preferable assembling capacity.
Brief description of the drawings
Fig. 1 is an axonometric schematic diagram for traditional non-oil air compressor pump head mounting；
Fig. 2 is the front view of pump head mounting shown in Fig. 1；
Fig. 3 is the left view of pump head mounting shown in Fig. 1；
Fig. 4 is the top view of pump head mounting shown in Fig. 1；
Fig. 5 is that the axle of one embodiment that a kind of lightweight pump head mounting of the invention has grid structure shape body construction is surveyed
Schematic diagram；
Fig. 6 is the front view of embodiment illustrated in fig. 1；
Fig. 7 is the left view of embodiment illustrated in fig. 1；
Fig. 8 is the top view of embodiment illustrated in fig. 1；
Fig. 9 is that the axle of the one embodiment of the present invention equipped with lightweight pump head mounting oil-free air compressor shown in Fig. 5 is surveyed
Schematic diagram；
Figure 10 is the front view of embodiment illustrated in fig. 9；
Figure 11 is the left view of embodiment illustrated in fig. 9；
Figure 12 is the top view of embodiment illustrated in fig. 9；
Figure 13 is the blast installation diagram schematic diagram of embodiment illustrated in fig. 9；
Figure 14 is the reality that a kind of lightweight pump head mounting of the invention has grid structure shape and flat body construction
Apply the axonometric schematic diagram of example；
Figure 15 is the front view of embodiment illustrated in fig. 14；
Figure 16 is the left view of embodiment illustrated in fig. 14；
Figure 17 is the top view of embodiment illustrated in fig. 14；
Figure 18 is the axle of the one embodiment of the present invention equipped with lightweight pump head mounting oil-free air compressor shown in Figure 14
Measure and be intended to；
Figure 19 is the front view of embodiment illustrated in fig. 18；
Figure 20 is the left view of embodiment illustrated in fig. 18；
Figure 21 is the top view of embodiment illustrated in fig. 18.
Specific embodiment
With specific embodiment, the invention will be further described below, referring to Fig. 5-21：
A kind of lightweight pump head mounting, the pump head mounting possesses a body construction 1, is also opened on body construction 1 in addition
A bearing saddle bore 4 (referring to Fig. 5 to Fig. 8, Figure 14 to Figure 17) to supporting motor rotor is provided with, its characteristic is：It is described
The body construction 1 of pump head mounting is in rack shape, that is, the body construction 1 is using the structure of hollow out, in other words its structure embodiment
There is numerous entity skeleton 1a and hollow out mesh 1b and there are layout situation (such as Fig. 5 to Fig. 8, Figure 14 of the form that is interweaved
With shown in Figure 15), while offered on the body construction 1 and only offer two load important actors 5, the two described loads
Important actor 5 is split by the both sides of the bearing saddle bore axes O 1 of bearing saddle bore 4 (referring to Fig. 6 and Figure 15), and in each load
Unique installation hole 6 is each offered on important actor 5, is offered on load important actor 5 or/and body construction 1 in addition
Support platform 7, described support platform 7 possesses a supporting plane 7a (such as Fig. 5, Fig. 6, Fig. 8, Figure 14, Figure 15 and Figure 17 institute
Show), herein, described support platform 7 is to refer to various platform architectures, boss construction, the horizontal stroke with substantive support function
Framework is made, lug is constructed or flange is constructed etc., and described supporting plane 7a refers to be formed with or add in support platform 7
Work has at least one piece planar configuration, preferably load and more stably to realize support function, wherein supporting plane 7a's
Quantity both can be one can also have it is multiple, can also even be collectively constituted by the plane of several coplanar fine grained chippings it is same
One supporting plane 7a；It should be noted that support platform 7 in the present invention and its supporting plane 7a overlap can be melted with coplanar
It is combined, support platform 7 and its supporting plane 7a now can also be referred to as or be expressed as support platform 7 (7a) (such as
Shown in Figure 14, Figure 15 and Figure 17)；The purpose that the body construction 1 of pump head mounting of the present invention sets bearing saddle bore 4 is by using axle
Bearing structure is set and installs the purpose of hole 6 and be come the rotor of the motor 8 that supports to drive compressor pump head to operate and its rotating shaft
In order to fasten each parts of compressor pump head such as one impetus of offer such as cylinder 9, seat board 10 and cylinder head 11 or grab
Hand, so as to connect so as to above-mentioned pump head parts are fastenedly connected into pump head with hole 6 is installed with fastening bolt 12
On mounting, the purpose of setting supporting plane 7a is the cylinder 9 for supporting compressor pump head (referring to Fig. 9 to Figure 13, Figure 18 in addition
To Figure 20), herein, load important actor 5 of the present invention can have common factor with plane where supporting plane 7a (also will supporting plane
7a extended after it will with load important actor 5 occur cut hand over a situation, such as 5 and Fig. 6, Figure 14 and Figure 15 shown in embodiment
Meet this situation), certainly, load important actor 5 can also be with the plane where supporting plane 7a be in the absence of common factor that is, does not occur
Cut hand over situation (now the overall situation of load important actor 5 compared with the supporting plane 7a overall situations closer to bearing saddle bore axes O 1, in figure not
Show), it can be seen that the load important actor 5 in the present invention both can be relative to supporting plane 7a and body construction 1 shows projection
Shape (as shown in Fig. 5 to Fig. 7, Fig. 9 to Figure 11, Figure 13 to Figure 16, Figure 18 to Figure 20), can also relative to supporting plane 7a or
Be rendered as heavy mesa-shaped (not shown) relative to body construction 1, can also even shrink back to the main body of body construction 1 and with
The body construction 1 combines together (installation hole 6 now will be directly opened on body construction 1, not shown in figure)；Especially need
It is noted that the load important actor 5 opened up on pump head mounting of the present invention and the installation hole 6 opened up on load important actor 5 are real
The installation load-carrying member of matter, is different from the pump head mounting of traditional compressor, is provided with each pump head mounting of the invention and only
It is provided with two load important actors 5, and each load important actor 5 in pump head mounting is provided with unique installation hole 6,
Various fastening forces and gas load can be by fastening bolt 12 and supporting planes during fastening pump head and when pump head works
7a etc. is delivered on load important actor 5 and body construction 1；It will be apparent that rack shape body construction 1 of the present invention using hollow out, can
So that pump head mounting has lighter weight on the premise of sufficient intensity and rigidity is possessed, so as to realize the light weight of pump head mounting
Change, be also further that the lightweight for realizing compressor creates condition, herein, described compressor is one in the present invention
General term or general name, it refers to that air compressor refers in particular to oil-free air compressor, and further, oil-free air compressor is also
Including reciprocating-piston type oil-less air compressor and waving reciprocating-piston type oil-less air compressor.
Further, its all supporting plane 7a of lightweight pump head mounting of the present invention are laid out in two load important actors
Between 5, that is, observed from the direction of bearing saddle bore axes O 1 of bearing saddle bore 4, it can be seen that all supporting plane 7a quilts
Two described load important actors 5 are clamped in intermediate portion position (as shown in Fig. 6 and Fig. 8, Figure 15 and Figure 17), the so purpose of layout
Can be that two allowed in two support platforms 7 install holes 6 and are laid out the more lateral in these supporting planes 7a (relative to bearing block
For axially bored line O1), can so be more convenient that pump head part especially its cylinder 9 of compressor is installed.
Further, all supporting plane 7a in the present invention be arranged in parallel with bearing saddle bore axes O 1, so can be
It is more prone to ensure that cylinder cylinder holes axes O 2 is vertical with bearing saddle bore axes O 1 or even (the ginseng that intersects vertically during subsequent installation cylinder 9
See Figure 11 and Figure 20), the force-bearing situation of such compressor pump head will more optimize.Similarly, add to simplify structure, reducing
Work difficulty and reduction assembly difficulty, all supporting plane 7a in the present invention on pump head mounting are coplanar setting, i.e. these supportings
Plane 7a is laid out in approximately the same plane (as shown in Fig. 6 to Figure 15).
Further, the installation hole 6 in the present invention can be constructed for screwed hole, that is, can directly in load important actor 5
On open up out screwed hole construction, such fastening bolt 12 just can directly be tightened in screwed hole construction it is upper so as to realize it is quick tightly
Gu the purpose of compressor pump head；Further, the supporting plane on the axis and the load important actor 5 where it of the screwed hole construction
7a is vertical, so can effectively reduce and even completely avoid the derivative additional bending moment of the institute of fastening bolt 12 such that it is able to improve
The fatigue strength of screwed hole construction and fastening bolt 12, preferably to resist the cycle arteries and veins produced when compressor pump head is operated
Dynamic pulling force and the stress of resulting periodically variable stress or even positive and negative alternation；It is pointed out that of the invention
Described installation hole 6 is not limited to screw thread construction, and its structure can also be other hole forms, such as light it is poroid (i.e.
Without screw thread construction) perforation structure or blind hole structure, using this non-threaded construction installation 6 structure type of hole when,
Fastening bolt 12 must be equipped with nut can just reach the purpose that fastening is tightened.
Two installation holes 6 on two load important actors 5 described in lightweight pump head mounting of the present invention, its feature axis
Can be laid out in same characteristic plane, and this feature plane is vertical with bearing saddle bore axes O 1, the advantage being so laid out
It is that can allow installation hole 6 (including installation hole 6 of screwed hole structural form) with more preferable load state；Herein, it is so-called
Feature axis refer to：With one by supporting plane 7a and the cutting plane that is overlapped with supporting plane 7a to belonging to force-bearing table together
Installation hole 6 on post 5 carries out cutting, now gained cross section there are unique centre of form, then cross the centre of form and with institute
State the feature axis of the vertical straight line of the cutting plane as installation hole 6；So-called characteristic plane refers to：Two first force-bearing tables
(it is optimal layout shape wherein to be levied axis and be parallel to each other with this two Gent to two feature axis co-planars of installation hole 6 on post 5
Formula), then this coplanar is described characteristic plane；It should be noted that the structure type that the present invention installs hole 6 can have
Diversified forms, such as install hole 6 by by supporting plane 7a and overlapped with supporting plane 7a cutting plane cutting when, institute
The cross-sectional form for obtaining can be circle, waist-hole type, ellipse, rectangle or other various abnormity, wherein cross-section with circle
Face and waist-hole type cross section are optimum structure form.
The body construction 1 of pump head mounting of the present invention can also be rendered as flat structure (as shown in Figure 14 to Figure 17), its
Middle body construction 1 is matched somebody with somebody along the characteristic width dimension in the direction of bearing saddle bore axes O 1 less than or equal to the feature of the bearing saddle bore 4
The 120% of diameter dimension is closed, body construction 1 is designed as into flat structure can further reduce the volume of pump head mounting, enter
One step can mitigate the weight of pump head mounting；Herein, so-called characteristic width chi refers to：Along the side of bearing saddle bore axes O 1
Measured to body construction 1, maximal axial extension of the global profile of gained body construction 1 in this direction is described spy
Levy broad-ruler；The feature fit diameter size of so-called bearing saddle bore 4 refers to：Bearing saddle bore 4 is coordinated with the rotating shaft of motor 8
The diameters of bore, now when the rotating shaft of motor 8 and bearing saddle bore 4 are coordinated using sliding bearing form if axle at cooperation
If the diameters of bearing hole 4 are the described feature fit diameter size of bearing saddle bore 4, the rotating shaft of motor 8 and bearing saddle bore 4
The diameters that then bearing saddle bore 4 is engaged with rolling bearing external diameter when being coordinated using rolling bearing form are described
The feature fit diameter size of bearing saddle bore 4, names a specific example to be illustrated：Assuming that the feature of bearing saddle bore 4 is matched somebody with somebody
Conjunction diameter dimension is 42mm, then when body construction 1 is less than or equal to along the characteristic width dimension in the direction of bearing saddle bore axes O 1
During 50.4mm, the present invention will meet flat structure this key element, that is, the now bulk junction of pump head mounting depending on the body construction 1
Structure 1 is considered the body construction 1 of flat structure.
A kind of oil-free air compressor equipped with lightweight pump head mounting, includes motor 8, piston 13, connecting rod 14, cylinder
9th, seat board 10, cylinder head 11 and fastening bolt 12 (referring to Fig. 9 to Figure 13), wherein piston 13 are fastenedly connected juxtaposition with connecting rod 14
In in the cylinder 9, pump head mounting is fastenedly connected and is laid out at the termination position of motor 8 with motor 8, and the function of seat board 10 is
The flow direction of air-flow is controlled by valve block thereon, in the present invention, the rotor shaft of motor 8 by pump head mounting bearing block
Hole 4 supports, the rotor shaft of the motor 8 by a rotor journal or crank come drive link 14 and and then by connecting rod 14
Piston 13 is driven, is moved back and forth in cylinder so as to order about piston 13, take this to complete the cycle of compressor pump head working chamber
Property volume change and reach compression and the purpose of output pressure-air, further, piston 13 and connecting rod 14 are fastenedly connected (referring to figure
13) or they are structure as a whole making (not shown), the now motion of piston 13 is corresponded to therewith to wave reciprocating motion
Compressor then rocking piston type compressor or to be referred to as waving Reciprocting piston compressor, herein, if piston 13 passes through
The leather cup that self-lubricating material makes carries out sealing cooperation with the cylinder holes wall of cylinder 9, then compressor pump head can export not oil-containing
Air working medium, in other words compressor now be oil-free air compressor；Greatest feature of the invention is：By one
The compressor pump head that 13, one, piston, 14, one, connecting rod cylinder, 9, seat board 10 and a cylinder head 11 are constituted
Central, the quantity of the fastening bolt 12 that cylinder head 11, seat board 10, cylinder 9 are fastened together with pump head mounting is altogether
Only two (as shown in Fig. 9, Figure 10, Figure 12, Figure 13, Figure 18 and Figure 21), this two fastening bolts 12 respectively with pump head mounting
On two install holes 6 it is matched, wherein cylinder head 11 is pressed against on seat board 10, seat board 10 is pressed against on cylinder 9, gas
Cylinder 9 is pressed against on the supporting plane 7a of pump head mounting；It should be noted that the efficiency of assembling in order to improve product, can also adopt
Cylinder head 11 and seat board 10 are combined into a part i.e. cylinder cap valve board assembly (such as Fig. 9, Figure 12 in advance with trip bolt 12a
With shown in Figure 13)；The present invention is due to that can complete the fastening task of pump head only with only two fastening bolts 12, therefore it is assembled
Efficiency is higher than conventional arrangement four or even the efficiency of assembling of the pump head of six roots of sensation fastening bolt 12.
Further, oil-free air compressor of the present invention equipped with lightweight pump head mounting, wherein two described fastening spiral shells
The axis of bolt 12 can be using the layout and its plane for being constituted being parallel to each other by (such as Figure 12 of cylinder cylinder holes axes O 2
With shown in Figure 21), so layout advantage be：When compressor pump head works, gas pressure acts on the sum total on seat board 10
Power can be in approximately the same plane with the resistance pulling force of two fastening bolts 12, can so reduce being applied in fastening bolt 12
Additional bending moment.
Further, oil-free air compressor of the present invention equipped with lightweight pump head mounting, wherein two described fastening spiral shells
The plane that bolt 12 its axis is constituted can be using the layout (referring to Figure 12 and Figure 21) vertical with bearing saddle bore axes O 1, so
The advantage of layout can be that the axial dimension for reducing pump head base body construction 1 as far as possible (refers to the side along bearing saddle bore axes O 1
To), in other words can obtain more flat body construction 1 and construct, while two fastening bolt 12 its axis also will just with
The pulling force fastening effect waved plane coincidence, can preferably play fastening bolt 12 of connecting rod 14.
Further, oil-free air compressor of the present invention equipped with lightweight pump head mounting, wherein two described fastening spiral shells
Feature axis of the axis of bolt 12 respectively with the upper installing hole hole 6 of two load important actors of lightweight pump head mounting 5 overlaps, so layout
Advantage be：Compressor pump head is more reasonable relative to pump head mounting position, on the one hand meets the thinking of compact design, the opposing party
Distribution of force in face of whole pump head is also relatively more reasonable.
Further, oil-free air compressor of the present invention equipped with lightweight pump head mounting, wherein described lightweight pump head
The quantity one of mounting has two, and splits at the two ends of motor 8, described piston 13, connecting rod 14, cylinder 9, seat board
10 and cylinder head 11 respectively have two and separately constitute two compressor pump heads (such as Fig. 9, Figure 10, Figure 13, Figure 18 and Figure 19 institute
Show), each of which compressor pump head possesses and only possesses 13, one, piston, 14, one, connecting rod, 9, valve seat of cylinder
Plate 10 and a cylinder head 11, and the two compressor pump heads are matched with described two pump head mountings respectively and receive electricity
The driving of machine 8；The compressor for setting two compressor pump heads is referred to as duplex cylinder compressor, its not only compact conformation, especially
When the two compressor pump head operating phases differ 180 degree, (wherein described operating phase refers to by the rotor shaft of motor 8
Corner is measured), compressor will obtain best effectiveness in vibration suppression, because now the piston 13 in two cylinders 9 makees reciprocal fortune
Dynamic derived from reciprocal inertia force contrast, so as to favourable to reducing vibration and noise.
The outstanding advantages that have compared to existing technology of the present invention are：The body construction 1 of compressor pump headstock frame uses hollow out
Grid structure, further also using the structure of flat, therefore can significantly be dropped compared with the existing pump head mounting for encircling shelly
The weight of low its body construction, while the substantial hole 6 of installing of only two of the present invention does not interfere supporting plane significantly
7a along the direction of bearing saddle bore axes O 1 extension, therefore its support compressor pump head when can tolerate that cylinder 9 has larger motor 8
The alignment error of axial direction.Further, be equipped with the compressor pump head of the pump head mounting only need it is complete by two fastening bolts 12
It is fastenedly connected into it, it will be apparent that improve the efficiency of assembling of compressor, therefore is fitted with the oil-free air of the lightweight pump head mounting
The compressor that compressor compares equipped conventional pump headstock frame will have lighter main screw lift and more preferable assembling capacity.
Above-described embodiment is only one of presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：
The various equivalence changes that all structures under this invention, shape, principle are done, all should be covered by within protection scope of the present invention.
Claims (14)
1. a kind of lightweight pump head mounting, bearing saddle bore is offered on the pump head mounting, it is characterised in that：The pump head mounting
Body construction is in rack shape, and interval offers two load important actors on the body construction, and two described load important actors are divided
Put in the same side of bearing saddle bore axis, unique installation hole is each offered on each load important actor,
Support platform is offered on load important actor or/and body construction, the support platform possesses a supporting plane.
2. a kind of lightweight pump head mounting according to claim 1, it is characterised in that：All described supporting plane layouts
Between two load important actors.
3. a kind of lightweight pump head mounting according to claim 2, it is characterised in that：All described supporting planes with
Bearing saddle bore diameter parallel.
4. a kind of lightweight pump head mounting according to claim 3, it is characterised in that：All described supporting planes are common
Face is set.
5. a kind of lightweight pump head mounting according to claim 4, it is characterised in that：The installation hole is screwed hole structure
Make.
6. a kind of lightweight pump head mounting according to claim 5, it is characterised in that：The axis of screwed hole construction with
Supporting plane is vertical.
7. the lightweight pump head mounting according to claim 1 to 6 any one, it is characterised in that：Described two force-bearing tables
Hole its feature axis is installed two on post to be in same characteristic plane, and this feature plane and bearing saddle bore axis
Vertically.
8. the lightweight pump head mounting according to claim 1 to 6 any one, it is characterised in that：The pump head mounting
Body construction is rendered as flat, and wherein body construction is less than or equal to along the characteristic width dimension of bearing saddle bore axis direction
The 120% of the feature fit diameter size of the bearing saddle bore.
9. a kind of oil-free air compressor equipped with lightweight pump head mounting, includes motor, piston, connecting rod, cylinder, valve seat
Plate, cylinder head and fastening bolt, wherein piston are fastenedly connected with connecting rod and are placed in the cylinder, and pump head mounting is fastened with motor
Connect and be laid out at the termination position of motor, it is characterised in that：In the middle of each compressor pump head, by cylinder head, seat board
And a total of two of the quantity of fastening bolt that cylinder and pump head mounting are fastened together, this two fastening bolts respectively with
Two installation holes on pump head mounting are matched, and wherein cylinder head is pressed against on seat board, seat board is pressed against on cylinder, gas
Cylinder is pressed against on the supporting plane of pump head mounting.
10. the oil-free air compressor equipped with lightweight pump head mounting according to claim 9, it is characterised in that：It is described
The plane that the axis of two fastening bolts is parallel to each other and it is constituted is by cylinder cylinder holes axis.
11. oil-free air compressors equipped with lightweight pump head mounting according to claim 10, it is characterised in that：It is described
The plane that is constituted of two fastening bolt its axis it is vertical with bearing saddle bore axis.
12. oil-free air compressors equipped with lightweight pump head mounting according to claim 11, it is characterised in that：It is described
Two axis of fastening bolt respectively with the feature axis of installation hole that is connected on two load important actors of lightweight pump head mounting
Line overlaps.
13. oil-free air compressors equipped with lightweight pump head mounting according to claim 12, it is characterised in that：It is described
The quantity one of lightweight pump head mounting has two, and splits at the two ends of motor, described piston, connecting rod, cylinder, valve
Seat board and cylinder head also respectively have two and separately constitute two compressor pump heads, and the two compressor pump heads respectively with institute
The two pump head mountings stated are matched and receive the driving of motor.
14. oil-free air compressors equipped with lightweight pump head mounting according to claim 13, it is characterised in that：It is described
Two layouts of compressor pump head, its phase when their progress of work is measured by the rotational angle of motor rotor shaft
Difference 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122112.8A CN106762550A (en) | 2017-03-03 | 2017-03-03 | A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122112.8A CN106762550A (en) | 2017-03-03 | 2017-03-03 | A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762550A true CN106762550A (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710122112.8A Pending CN106762550A (en) | 2017-03-03 | 2017-03-03 | A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting |
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| Country | Link |
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| CN (1) | CN106762550A (en) |
Citations (6)
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|---|---|---|---|---|
| CN2363081Y (en) * | 1998-04-06 | 2000-02-09 | 复旦大学科教仪器厂 | Miniature oil-free air compression pump |
| US20010009646A1 (en) * | 1996-06-28 | 2001-07-26 | Shawn Leu | Two-cylinder pump |
| CN1865700A (en) * | 2005-05-17 | 2006-11-22 | 托马斯工业公司 | Pump improvements |
| CN201218198Y (en) * | 2008-05-28 | 2009-04-08 | 佛山市广顺电器有限公司 | Integral assembly type compressor |
| CN105298807A (en) * | 2015-11-21 | 2016-02-03 | 浙江鸿友压缩机制造有限公司 | Fastening connecting structure of air compressor air cylinder cover and valve seat plate |
| CN206530456U (en) * | 2017-03-03 | 2017-09-29 | 浙江鸿友压缩机制造有限公司 | A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting |
-
2017
- 2017-03-03 CN CN201710122112.8A patent/CN106762550A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010009646A1 (en) * | 1996-06-28 | 2001-07-26 | Shawn Leu | Two-cylinder pump |
| CN2363081Y (en) * | 1998-04-06 | 2000-02-09 | 复旦大学科教仪器厂 | Miniature oil-free air compression pump |
| CN1865700A (en) * | 2005-05-17 | 2006-11-22 | 托马斯工业公司 | Pump improvements |
| CN201218198Y (en) * | 2008-05-28 | 2009-04-08 | 佛山市广顺电器有限公司 | Integral assembly type compressor |
| CN105298807A (en) * | 2015-11-21 | 2016-02-03 | 浙江鸿友压缩机制造有限公司 | Fastening connecting structure of air compressor air cylinder cover and valve seat plate |
| CN206530456U (en) * | 2017-03-03 | 2017-09-29 | 浙江鸿友压缩机制造有限公司 | A kind of lightweight pump head mounting and the oil-free air compressor equipped with the pump head mounting |
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Application publication date: 20170531 |
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