CN207420810U

CN207420810U - Minimize air compressor

Info

Publication number: CN207420810U
Application number: CN201721470682.8U
Authority: CN
Inventors: 刘迪元; 彭彦涛
Original assignee: Shenzhen Mag Electric Co Ltd
Current assignee: Shenzhen Mag Electric Co Ltd
Priority date: 2017-11-06
Filing date: 2017-11-06
Publication date: 2018-05-29
Anticipated expiration: 2027-11-06

Abstract

The utility model provides a kind of miniaturization air compressor, the shaft at motor both ends is extended out to outside the fixed part of stent, cylinder is fixed between valve plate and the support portion of stent, it is wherein provided in the middle part of support portion and keeps away a through hole for connecting rod activity, the notch that a connection keeps away a through hole is provided in one side of the support portion away from motor, the corner at the top of the support portion of stent is provided with threaded hole, connecting pole has been extended in the corner of valve plate bottom, it can be first by connecting rod, crank and bearing connect, the connection ring of connecting rod can form stable interference by way of extruding with bearing and be connected, it can be connected afterwards directly through the shaft of notch and motor, and it will not be interfered with stent, install convenient, it is simple and compact for structure.

Description

Minimize air compressor

Technical field

The utility model is related to air compressor field, more particularly to a kind of miniaturization air compressor.

Background technology

Air compressor is a kind of device by making gas output squeezing to gas pressurized, and wherein air compressor is installed Structural stability afterwards is very important.Air compressor of the prior art in order to ensure air compressor installation after knot Structure stability, generally all by the more complicated of the structure design of air compressor so that be not easy to install between each parts, simultaneously But also the volume of the air compressor of setting discharge capacity is difficult to further reduce.

Therefore it needs to provide a kind of miniaturization air compressor to solve above-mentioned technical problem.

Utility model content

The utility model provides a kind of miniaturization air compressor, can first connect connecting rod, crank and bearing, The connection ring of connecting rod can form stable interference by way of extruding with bearing and be connected, afterwards can be directly through notch and motor Shaft connection, and will not be interfered with stent, it is more complicated to solve the structure of air compressor of the prior art, each zero Installation between component is more difficult and connects the problem of not firm enough.

In order to solve the above technical problems, the technical solution of the utility model is：A kind of miniaturization air compressor, bag It includes：

Two stents, the stent include fixed part and the support portion being arranged at the top of the fixed part；

Motor is fixed between two fixed parts, being provided at both ends with of motor extend out to respectively the fixed part it Two outer shafts；

Two cylinders are separately positioned on two support portions；

Two pistons are slidably arranged in respectively in two cylinders；

Two valve plates, the valve plate are located at the top of the cylinder, the air inlet for ventilation are provided on the valve plate Valve opening, outlet valve opening and the air-intake valve plate and air outlet valve ventilated for the corresponding control inlet valve hole, the outlet valve opening Piece；

First sealing ring is arranged between the cylinder and the valve plate；

Two cylinder head are connected on two valve plates, are equipped with and the intake valve in a cylinder head The corresponding inlet chamber in hole and outlet chamber corresponding with the outlet valve opening, the inlet chamber of two cylinder head are connected by tracheae Logical, the outlet chamber of two cylinder head is connected by tracheae, and it is close to be provided with second between the tracheae and the cylinder head Seal；

Crank, including connecting hole and connection boss, the connecting hole, which runs through, to be arranged on the connection boss, the connection The center in hole and the center stagger setting of the connection boss, two cranks pass through the connecting hole and the motor respectively The shaft at both ends is fixedly connected；And

Connecting rod, the connecting rod include the connecting plate and connection ring that are located at both ends respectively, and the connection ring passes through bearing and institute Connection boss connection is stated, the connecting plate is fixedly connected with the piston.

In the utility model, it is provided in the middle part of the support portion and keeps away a through hole for connecting rod activity, One side of the support portion away from the motor is provided with the notch that a through hole is kept away described in a connection, and four in the valve plate bottom Angle has been extended connecting pole, and the corner at the top of the support portion is provided with the threaded hole for screw connection, in the gas The through hole for screw connection is both provided on the corner of cylinder cap and the connecting pole, screw passes through through hole and threaded hole screw thread It connects to be fixedly connected with the cylinder head, the valve plate and the support portion.

The cylinder is fixed between the support portion and the valve plate, be provided on the support portion with it is described Corresponding first locating slot of cylinder, be provided on the valve plate with corresponding second locating slot of the cylinder, described The positioning convex portion for being contacted with the positioning of the madial wall of the cylinder is provided in second locating slot, is set on the connecting pole It is useful for the positioning rib contacted with the positioning of the lateral wall of the cylinder.

Further, it is both provided with to reinforce spiral shell on the outside of the corner at the top of the support portion and the support portion The reinforcing portion of the intensity of pit.

Further, the outer shroud interference of the bearing is connected in the connection ring, and the connection boss interference is connected to In the inner ring of the bearing.

In the utility model, the air inlet for connecting the inlet chamber is provided in one of them described cylinder head, it is another The gas outlet for connecting the outlet chamber is provided in a cylinder head；

The air outlet valve on piece is provided with the first mounting hole for screw connection, is provided at the top of the valve plate For the threaded hole of screw connection, first seal is provided between the outlet valve block and the valve plate, in the valve plate On be provided with and corresponding first positioning groove of the first seal；

The second mounting hole for screw connection is provided on the air-intake valve plate, is provided in the bottom of the valve plate For the threaded hole of screw connection, second seal is provided between the air-intake valve plate and the valve plate, in the valve plate On be provided with and corresponding second positioning groove of the second seal.

Further, the first seal is adhesively fixed on the air outlet valve on piece, and the second seal bonding is solid It is scheduled on the air-intake valve plate, it is recessed that the interior lateral surface of the first seal is obliquely installed to be engaged to first positioning In slot, the interior lateral surface of the second seal is obliquely installed to be engaged in second positioning groove；

The first lengthening part is provided in the first seal, first lengthening part is located in the first seal far One side from first mounting hole, during the outlet valve block carries out outlet away from the valve plate, described first adds Long portion is always positioned in first positioning groove；

The second lengthening part is provided in the second seal, second lengthening part is located in the second seal far One side from second mounting hole, during the air-intake valve plate carries out air inlet away from the valve plate, described second adds It is recessed interior that long portion is always positioned at second positioning.

Wherein, the piston includes rubber ring and piston pressing plate, is provided on the connecting plate and the piston pressing plate Corresponding link slot is provided with threaded hole and positioning convex column in the bottom of the link slot, is set on the piston pressing plate Have through hole corresponding with threaded hole and with the corresponding Blind locating holes of the positioning convex column, the rubber ring passes through the work Pressing plate pressing is filled in the link slot；

Described it is additionally provided with that the screw on the air-intake valve plate is carried out to keep away keeping away for position at the top of piston pressing plate Position blind hole.

In the utility model, it is provided on the fixed part of two stents multiple empty for installing the miniaturization The stay hook of air compressor, the direction of the stay hook at the top and bottom of the fixed part are arranged oppositely, multiple fixations Hook it is in the same size.

Further, four vertex at the top of the fixed part rotate setting there are one the stay hook, described solid Four vertex for determining portion bottom are fixedly installed there are two the stay hook, two of one vertex in fixed part bottom The stay hook is respectively fixedly disposed on the adjacent two sides of the fixed part.

In the utility model, the crank further includes an eccentric weight, and the center of gravity of the eccentric weight, the connection are convex The center of platform and the center of the connecting hole be located along the same line, the center of gravity of the eccentric weight and the connection boss Center is respectively positioned at the both sides at the center of the connecting hole, and the center of gravity of the eccentric weight is with a distance from the center of the connecting hole More than the center for connecting boss with a distance from the center of the connecting hole, the rotational travel difference of two cranks 180°。

The utility model is compared to the prior art, its advantage：The miniaturization air compressor of the utility model The shaft at motor both ends is extended out to outside the fixed part of stent, and cylinder is fixed between valve plate and the support portion of stent, wherein It is provided in the middle part of support portion and keeps away a through hole for connecting rod activity, one side of the support portion away from motor, which is provided with a connection, to be kept away The notch of position through hole, is highly convenient for the installation of connecting rod；

Wherein, the outer shroud interference of bearing is connected in connection ring, and connection boss interference is connected in the inner ring of bearing, is ensured The stability that is connected between connecting rod, bearing and crank；

In addition, being provided with stay hook on the fixed part of two stents, stay hook is located at two stents and connects shape with motor Into integrally-built four side corner, the direction of the stay hook at the top and bottom of fixed part is arranged oppositely, and can pass through elasticity even To the miniaturization air compressor installation is fixed in fitting, and entire air compressor is maked somebody a mere figurehead, and reduces vibrating noise.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below in embodiment Required attached drawing is briefly described, and the accompanying drawings in the following description is only that the section Example of the utility model is corresponding Attached drawing.

Fig. 1 is the structure diagram of the preferred embodiment of the miniaturization air compressor of the utility model.

Fig. 2 is the explosive view of the preferred embodiment of the miniaturization air compressor of the utility model.

Fig. 3 is the structure diagram of the stent of the miniaturization air compressor of the utility model.

Fig. 4 shows for the structure of the valve plate of the miniaturization air compressor of the utility model, air-intake valve plate and outlet valve block It is intended to.

Fig. 5 is the structure diagram at another visual angle of the valve plate in Fig. 4.

Fig. 6 is the outlet valve block of miniaturization air compressor of the utility model and the structure diagram of first seal.

Fig. 7 is the sectional view made along the A-A cutting lines in Fig. 6.

Fig. 8 is the connecting rod of miniaturization air compressor of the utility model and the structure diagram of piston.

Fig. 9 is the structure diagram of the crank of the miniaturization air compressor of the utility model.

Figure 10 is the structure diagram at another visual angle of the crank of the miniaturization air compressor of the utility model.

Figure 11 is the schematic diagram into outlet system of two cylinder head of the miniaturization air compressor of the utility model.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Air compressor of the prior art is in order to ensure the structural stability after air compressor installation, generally all by sky The structure design of air compressor it is more complicated so that be not easy to install between each parts, while but also setting discharge capacity sky The volume of air compressor is difficult to further reduce.

It the following is a kind of the preferred of miniaturization air compressor that can solve more than technical problem provided by the utility model Embodiment.

Referring to Fig.1 and 2, wherein Fig. 1 is the knot of the preferred embodiment of the miniaturization air compressor of the utility model Structure schematic diagram, Fig. 2 are the explosive view of the preferred embodiment of the miniaturization air compressor of the utility model.

The similar unit of structure is to be given the same reference numerals in the figure.

It is provided by the utility model miniaturization air compressor preferred embodiment be：A kind of miniaturization air compressor, It includes stent 11, motor 12, cylinder 17, piston 18, valve plate 15, cylinder head 16,14 bearing 19 of crank and connecting rod 13；

Wherein, stent 11 includes fixed part 21 and is arranged on the support portion 22 at 21 top of fixed part；

Motor 12 is fixed between the fixed part 21 of two stents 11, and being provided at both ends with for motor 12 extends out to admittedly respectively Determine two shafts 121 outside portion 21；

Two cylinders 17 are separately positioned on two support portions 22；

Two pistons 18 are slidably arranged in respectively in two cylinders 17；

Valve plate 15 is located at the top of cylinder 17, the first sealing ring 171 is provided between cylinder 17 and valve plate 15, in valve plate The inlet valve hole 34 for ventilation, outlet valve opening 36 are provided on 15 and for corresponding control inlet valve hole 34, outlet valve opening The air-intake valve plate 31 and outlet valve block 32 of 36 ventilations；

Two cylinder head 16 are connected on two valve plates 15, be equipped in cylinder head 16 it is corresponding with inlet valve hole 34 into Air cavity and with 36 corresponding outlet chamber of outlet valve opening, the inlet chamber of two cylinder head 16 connected by tracheae 1B, two cylinders The outlet chamber of lid 16 is connected by tracheae 1B, and the second sealing ring 1B1 is provided between cylinder head 16 and tracheae 1B, wherein one The air inlet of connection inlet chamber is provided in a cylinder head 16, the outlet of connection outlet chamber is provided in another cylinder head 16 Mouthful；

Crank 14 includes connecting hole 52 and connection boss 51, and connecting hole 52, which runs through, to be arranged on connection boss 51, connecting hole 52 center and the center stagger setting of connection boss 51, two cranks 14 pass through connecting hole 52 and turn at 12 both ends of motor respectively Axis 121 is fixedly connected；

The inner ring of bearing 19 is socketed on connection boss 51, and connection boss 51 is connected to by squeezing interference in bearing 19 In ring；

Connecting rod 13 includes being located at the connecting plate 42 at both ends and connection ring 41 respectively, and connection ring 41 is socketed in the outer shroud of bearing 19 On, bearing 19 is connected to by squeezing interference in connection ring 41, and connecting plate 42 is fixedly connected with piston 18.

In the utility model, it is provided at the middle part of support portion 22 and keeps away a through hole 24 for 13 activity of connecting rod, propped up One side of the support part 22 away from motor 12 is provided with the notch 26 that a connection keeps away a through hole 24, and notch 26 is beneficial to installing connecting rods 13, The corner of 15 bottom of valve plate has been extended connecting pole 33, is provided in the corner at 22 top of support portion for screw 1C connections Threaded hole 23 is both provided with the through hole for screw 1C connections on the corner of cylinder head 16 and connecting pole 33, passes through screw 1C is fixedly connected cylinder head 16, connecting pole 33 and valve plate 15；

Further, it is both provided with to reinforce threaded hole in the outside of the corner at 22 top of support portion and support portion 22 The reinforcing portion 221 of 23 intensity；

When motor 12 is first fixedly connected with stent 11, then crank 14, bearing 19 and connecting rod 13 are connected as one, it The entirety that crank 14, bearing 19 and connecting rod 13 are formed and the shaft 121 of motor 12 are attached again afterwards；

It is supported when the center line of the connecting hole 52 of crank 14 is more than to connecting plate 42 close to the distance of the one side of connection ring 41 The top surface in portion 22 to 12 shaft of motor, 121 axle center apart from when, the entirety that crank 14, bearing 19 and connecting rod 13 connect into just can It directly passes through from the notch 26 on stent 11 and is connected with shaft 121, and will not be formed and interfered with stent 11.

The miniaturization air compressor structure simple and compact of the utility model, easy for installation, stable connection, work efficiency It is high.

Fig. 3 is refer to, wherein Fig. 3 is the structure diagram of the stent of the miniaturization air compressor of the utility model.

Many household electrical appliance need to carry out blown work, just have in some household electrical appliance by set air compressor with Blown work is carried out, wherein, air compressor is usually directly fixedly mounted on the bottom plate inside household electrical appliance, air compression Machine is fixedly mounted on the bottom plate inside household electrical appliance can be because operational vibration generates larger noise；

And due to consumer to household electrical appliance it is mute require it is higher and higher, therefore in the preferred embodiment, in order into one The reduction operating noise of step is fixedly installed multiple for installing the miniaturization air pressure on the fixed part 21 of two stents 11 The stay hook of contracting machine is maked somebody a mere figurehead entire air compressor by external flexible connector, fixed in position, is made an uproar with reducing vibration Sound；

Wherein, multiple stay hooks are located at the four of integrally-built four side of two stents 11 and the connection formation of motor 12 respectively Angle；

The direction of the stay hook of the top and bottom of fixed part 21 is arranged oppositely, multiple stay hooks it is in the same size, it is multiple outer The flexible connector put holds the stay hook 271 of part on fixed part 21 upwards, while multiple external flexible connectors are downward Hold the stay hook 27 of 21 lower part of fixed part, so as to the miniaturization air compressor from multiple and different directions of four sides It carries out pullling fixation so that entire air compressor is maked somebody a mere figurehead, and then reduces vibrating noise；

In addition, the place in the same size that may be such that the miniaturization air compressor of multiple stay hooks in this preferred embodiment When any installation position, stay hook can meet tear-strength, and the scalability of installation settings is stronger.

Preferably, four vertex at 21 top of fixed part rotate stay hook 271 there are one settings, fixed part bottom Four vertex are fixedly installed there are two stay hook 27, and two stay hooks 27 of one vertex in fixed part bottom are fixed respectively It is arranged on the adjacent two sides of fixed part 21；

The connection of link position corresponding with flexible connector and the stay hook on air compressor inside household electrical appliance The direction of the stay hook 271 at the top of pulling force energy adjust automatically fixed part 21 when passing through connection when orientation is not to corresponding to, you can so that Flexible connector can the more preferable more stable tie point connected inside stay hook and household electrical appliance.

Two stents 11 are symmetricly set on the both sides of motor 12, and the corner in the opposite one side of two fixed parts 21 is all provided with It is equipped with to fix the retaining lugs 29 of motor 12, the through hole for bolt 1D connections is provided in retaining lugs 29, two Four sides in the opposite one side of a fixed part 21 are both provided with for carrying out strengthening fixed fixed rib 28 to motor 12, It is respectively provided on two fixed parts 21 there are four the lightening hole 211 of the annular branch of the shaft 121 around motor 12, on the top of cylinder head 16 Portion is provided with polylith cooling fin 161.

Fig. 9 and Figure 10 are refer to, wherein Fig. 9 is the structural representation of the crank of the miniaturization air compressor of the utility model Figure, Figure 10 are the structure diagram at another visual angle of the crank of the miniaturization air compressor of the utility model.

In the utility model, crank 14 further includes an eccentric weight 53, in the center of gravity of eccentric weight 53, connecting hole 52 The center of the heart and connection boss 51 is located along the same line, the center of gravity of eccentric weight 53 and the center difference position of connection boss 51 In the both sides at the center of connecting hole 52, the correspondence at the center of gravity of eccentric weight 53 and the center of connection boss 51 may be such that connection Stress at hole 52 more balances, and can reduce the abrasion of bearing 19.

The center of gravity of eccentric weight 53 is more than the center of connection boss 51 from connecting hole 52 with a distance from the center of connecting hole 52 Center distance so that the eccentric weight 53 of lighter in weight can preferably be given with connecting rod 13 and be connected the power of boss 51 and be formed Balance.

Meanwhile the rotational travel of two cranks 14 in the utility model differs 180 °, on the crank 14 at 12 both ends of motor Eccentric weight 53 it is symmetrical as symmetrical centre using the center of motor 12, motor 12 coordinate two symmetrical eccentric weights 53 can more balance so that rotating；

In addition, being additionally provided with threaded hole 54 on crank 14, screw 141 can be so that crank 14 and electricity after screwing in threaded hole 54 The shaft 121 of machine 12 forms more stable connection.

Fig. 4, Fig. 5 and Fig. 8 are refer to, wherein Fig. 4 is the valve plate of the miniaturization air compressor of the utility model, air inlet The structure diagram of valve block and outlet valve block, Fig. 5 are the structure diagram at another visual angle of the valve plate in Fig. 4, and Fig. 8 is this reality With the new connecting rod of miniaturization air compressor and the structure diagram of piston.

Be provided on support portion 22 with 17 corresponding first locating slot 25 of cylinder, be provided on valve plate 15 and cylinder 17 corresponding second locating slot 3B are provided with to determine with what the positioning of the madial wall of cylinder 17 contacted in the second locating slot 3B Position protrusion 3C is provided with the positioning rib 331 for being contacted with the positioning of the lateral wall of cylinder 17 on connecting pole 33.

Wherein, piston 18 includes rubber ring 43 and piston pressing plate 44, is provided on connecting plate 42 and 44 phase of piston pressing plate Corresponding link slot 421 is provided with threaded hole 422 and positioning convex column 423, on piston pressing plate 44 in the bottom of link slot 421 Be provided with 422 corresponding through hole 45 of threaded hole and with 423 corresponding Blind locating holes of positioning convex column (in Fig. 8 visual angles, Blind locating holes are located at the bottom of piston pressing plate 44), the plate face area of piston pressing plate 44 is less than the groove face area of link slot 421, rubber The outer shroud area of cushion rubber 43 is more than the plate face area of connecting plate 42, and the inner ring area of rubber ring 43 is less than the plate face of piston pressing plate 44 Piston pressing plate 44 in link slot 421, is fixedly attached to by area, rubber ring 43 by 44 pressing of piston pressing plate by screw 47 In link slot 421, while also just will be between 43 pressing piston pressing plate 44 of rubber ring and connecting plate 42.

Meanwhile it is additionally provided with that the screw 3A on air-intake valve plate 31 is carried out keeping away keeping away for position at the top of piston pressing plate 44 Position blind hole 46 so that piston 18 can be moved to be contacted without being interfered by the screw 3A on valve plate with valve plate 15, can be further Activity space of the increase piston 18 in cylinder 17.

In the utility model, the first mounting hole 321 for screw 3A connections is provided on outlet valve block 32, in valve The top of plate 15 is provided with the threaded hole 37 for screw 3A connections, and it is close to be provided with first between outlet valve block 32 and valve plate 15 Sealing is provided with and corresponding first positioning groove 38 of first seal on valve plate 15；

The second mounting hole 311 for screw 3A connections is provided on air-intake valve plate 31, is set in the bottom of valve plate 15 The threaded hole 35 of screw 3A connections is useful for, second seal is provided between air-intake valve plate 31 and valve plate 15, in valve plate 15 On be provided with and the corresponding second positioning groove 3D of second seal.

First seal can guarantee sealing stability when air-intake valve plate 31 closes inlet valve hole 34, and second seal can protect Demonstrate,prove sealing stability when outlet valve block 32 closes outlet valve opening 36；

Fig. 6 and Fig. 7 are refer to, wherein Fig. 6 is the outlet valve block and first of the miniaturization air compressor of the utility model The structure diagram of sealing element, Fig. 7 are the sectional view made along the A-A cutting lines in Fig. 6

Wherein, second seal and the connection structure of air-intake valve plate 31 and first seal 322 and the company of outlet valve block 32 Binding structure is consistent, equally can refer to Fig. 6 and Fig. 7；

In the preferred embodiment, first seal 322 is adhesively fixed on outlet valve block 32, and second seal bonding is solid It being scheduled on air-intake valve plate, the interior lateral surface of first seal 322 is obliquely installed to be engaged in the first positioning groove 38, the The interior lateral surface of two sealing elements is obliquely installed to be engaged in the second positioning groove；

The first lengthening part 323 is provided in first seal 322, the first lengthening part 323 is located in first seal 322 far One side from the first mounting hole 321, during outlet valve block 32 carries out outlet away from valve plate 15, the first lengthening part 323 begins Final position is in the first positioning groove 38；

The second lengthening part is provided in second seal, the second lengthening part is located in second seal away from the second mounting hole One side, air-intake valve plate away from valve plate carry out air inlet during, the second lengthening part is always positioned in the second positioning groove 3D.

First lengthening part 323 can be so that outlet valve block 32 moves to carry out outlet valve opening 36 to the direction close to valve plate 15 During sealing, first seal 322 can be fast quickly and very smoothly sealing is cooperated in the first positioning groove 38；

Second lengthening part can so that air-intake valve plate 31 is close to moving to carry out inlet valve hole 34 close to the direction of valve plate 15 Feng Shi, second seal can be fast quickly and very smoothly sealing is cooperated in the second positioning groove 3D.

In addition, setting gasket 1A between cylinder head 16 and valve plate 15, it is provided at the top of valve plate 15 and gasket The corresponding fixing grooves 39 of 1A.

It refer to Figure 11, wherein Figure 11 is two cylinder head of the miniaturization air compressor of the utility model into outlet The schematic diagram of system.

Then Figure 11 is combined to be illustrated to the miniaturization air compressor into outlet system.

One cylinder head includes inlet chamber 62 and outlet chamber 61, and outlet valve opening is provided on the valve plate of 62 bottom of inlet chamber 67, outlet valve opening 67 is provided on the valve plate of 61 bottom of outlet chamber, gas outlet 65 is additionally provided in the one side of outlet chamber 61；

Another cylinder head includes inlet chamber 64 and outlet chamber 63, and intake valve is provided on the valve plate of 64 bottom of inlet chamber Hole 6A is provided with outlet valve opening 69 on the valve plate of 63 bottom of outlet chamber, and air inlet 66 is additionally provided in the one side of outlet chamber 63；

Additionally need it is realized that, it is above-mentioned to have been described above being provided with outlet valve block corresponding with outlet valve opening at the top of valve plate, Valve plate bottom is provided with and the corresponding air-intake valve plate of inlet valve hole；

Wherein, the inlet chamber 62 of a cylinder head is connected with the inlet chamber 64 of another cylinder head by tracheae 1B, one The outlet chamber 61 of cylinder head is connected with the outlet chamber 63 of another cylinder head also by tracheae 1B；

With reference to the left and right orientation in Figure 11 views, when left side connecting rod promotes piston to when being moved close to the direction of valve plate 67 outlet of air valve hole, inlet valve hole 68 is stopped by air-intake valve plate closes, and the gas in left hand cylinder is discharged from gas outlet 65, left The movement travel of the connecting rod of right both sides differs 180 °, at this point, when right side connecting rod promotes the direction of piston to separate valve plate to move, goes out Air valve hole 69 is stopped by outlet valve block to be closed, inlet valve hole 6A air inlets, starts to store gas from air inlet 66 in right cylinder；

Then left linkages conversion stroke, left side connecting rod promote piston to be moved to the direction away from valve plate, outlet valve opening 67 Stopped by outlet valve block and close, 68 air inlet of inlet valve hole stores gas by air inlet 66 and the air inlet of tracheae 1B left hand cylinders Body, the movement travel of the connecting rod of the left and right sides differs 180 °, at this point, right side connecting rod promotes piston to be transported to close to the direction of valve plate Dynamic, 69 outlet of outlet valve opening, inlet valve hole 6A is stopped by air-intake valve plate to close, the gas that right cylinder then stores last stroke It is discharged from gas outlet 65.

The miniaturization air compressor according to it is above-mentioned into outlet operation principle cycle into travel out gas work.

The operation principle of the utility model：Between motor 12 is placed in two stents 11 first, and passes through screw 1D and consolidate It sets；

Then first bearing 19 is connected to by squeezing interference in connection ring 41, it at this time can be more conveniently to the outer of bearing 19 Ring applies extruding force, is afterwards again connected to connection boss 51 in the inner ring of bearing 19 by squeezing interference, at this time can be more convenient Extruding force is applied to the inner ring of bearing, and then can be by 19 stable connection of crank 14, connecting rod 13 and bearing；

After crank 14, connecting rod 13 and bearing 19 connect, then rotary crank 14 will be in the connecting hole 52 of crank 14 Heart line is transferred to maximum to connecting plate 42 close to the distance of the one side of connection ring 41, specifically, by the eccentric weight on crank 14 53 rotations are to from connecting plate 42, farthest, the entirety that crank 14, bearing 19 and connecting rod 13 are connected into is directly from stent 11 Notch 26 passes through, and then so that the connecting hole 52 on crank 14 is connected with shaft 121, screws in screw 141 afterwards；

It, need to be by mounted crank 14 since the rotational travel of two cranks 14 in the utility model differs 180 ° 180 ° are rotated, so that when the rotation of eccentric weight 53 on the crank 14 of the other end is extremely farthest from connecting plate 42, the company of crank 14 Hole 52 is connect just with the shaft of motor 12 121 to being just connected；

Afterwards, cylinder 17 is placed on stent 11, takes piston pressing plate 44 and rubber ring 43, pass through positioning convex column 423 Positioning and the fixation of screw 47 cause rubber ring 43 to stablize pressing between piston pressing plate 44 and connecting plate 42；

Air-intake valve plate 31 and outlet valve block 32 are connected to by screw 3A on valve plate 15, while pay attention to ensureing the first sealing Part and the first positioning groove 38 are located by connecting and second seal and the second positioning groove 3D are located by connecting；

Finally, take the valve plate 15 for being equipped with air-intake valve plate 31 and outlet valve block 32, the first sealing ring 171, gasket 1A with And cylinder head 16 is assembled by assembly relation in Fig. 1 and Fig. 2, and pass through screw 1C by cylinder head 16, valve plate 15 and stent It is fixedly connected between 11 support portion 22, when installation notes also first locating slot of the cylinder 17 respectively with support portion 22 25th, the location fit between the second locating slot 3B on valve plate 15；

In addition, should be noted first will carry out corresponding connection between two cylinder head 16 by tracheae 1B, afterwards again by two A cylinder head 16 carries out above-mentioned connection with corresponding valve plate 15 simultaneously.

So complete the installation process of the miniaturization air compressor of this preferred embodiment.

The shaft at the motor both ends of the miniaturization air compressor of this preferred embodiment is extended out to outside the fixed part of stent, Cylinder is fixed between valve plate and the support portion of stent, is led to wherein being provided in the middle part of support portion for the position of keeping away of connecting rod activity Hole is provided with the notch that a connection keeps away a through hole in one side of the support portion away from motor, is highly convenient for the installation of connecting rod；

In conclusion although the utility model is disclosed above with preferred embodiment, above preferred embodiment is not used To limit the utility model, those of ordinary skill in the art without departing from the spirit and scope of the utility model, can make It is various to change and retouch, therefore the scope of protection of the utility model is subject to the scope that claim defines.

Claims

1. a kind of miniaturization air compressor, which is characterized in that including：

Motor is fixed between two fixed parts, and being provided at both ends with for motor is extended out to respectively outside the fixed part Two shafts；

Two cylinders are separately positioned on two support portions；

Two pistons are slidably arranged in respectively in two cylinders；

Two valve plates, the valve plate are located at the top of the cylinder, be provided on the valve plate inlet valve hole for ventilation, Outlet valve opening and air-intake valve plate and outlet valve block for corresponding to the control inlet valve hole, outlet valve opening ventilation；

First sealing ring is arranged between the cylinder and the valve plate；

Two cylinder head are connected on two valve plates, are equipped with and the inlet valve hole pair in a cylinder head The inlet chamber and outlet chamber corresponding with the outlet valve opening, the inlet chamber of two cylinder head answered are connected by tracheae, The outlet chamber of two cylinder head is connected by tracheae, and the second sealing is provided between the tracheae and the cylinder head Circle；

Crank, including connecting hole and connection boss, the connecting hole, which runs through, to be arranged on the connection boss, the connecting hole Center and the center stagger setting of the connection boss, two cranks pass through the connecting hole and the motor both ends respectively Shaft be fixedly connected；And

Connecting rod, the connecting rod include the connecting plate and connection ring that are located at both ends respectively, and the connection ring passes through bearing and the company Boss connection is connect, the connecting plate is fixedly connected with the piston.

2. miniaturization air compressor according to claim 1, which is characterized in that be provided in the middle part of the support portion A through hole is kept away for connecting rod activity, is provided in one side of the support portion away from the motor described in a connection and keeps away position The notch of through hole has been extended connecting pole in the corner of the valve plate bottom, and the corner at the top of the support portion is provided with For the threaded hole of screw connection, it is both provided on the corner of the cylinder head and the connecting pole for screw connection Through hole, screw are threadedly coupled to be fixedly connected with the cylinder head, the valve plate and the support portion with threaded hole through through hole.

3. miniaturization air compressor according to claim 2, which is characterized in that corner at the top of the support portion with And it is both provided with to reinforce the reinforcing portion of the intensity of threaded hole on the outside of the support portion.

4. miniaturization air compressor according to claim 3, which is characterized in that the outer shroud interference of the bearing is connected to In the connection ring, the connection boss interference is connected in the inner ring of the bearing.

5. miniaturization air compressor according to claim 1, which is characterized in that set in one of them described cylinder head There is the air inlet for connecting the inlet chamber, the gas outlet for connecting the outlet chamber is provided in another described cylinder head；

The air outlet valve on piece is provided with the first mounting hole for screw connection, is provided with and is used at the top of the valve plate The threaded hole of screw connection, is provided with first seal between the outlet valve block and the valve plate, is set on the valve plate It is equipped with and corresponding first positioning groove of the first seal；

The second mounting hole for screw connection is provided on the air-intake valve plate, is provided with and is used in the bottom of the valve plate The threaded hole of screw connection, is provided with second seal between the air-intake valve plate and the valve plate, is set on the valve plate It is equipped with and corresponding second positioning groove of the second seal.

6. miniaturization air compressor according to claim 5, which is characterized in that the first seal is adhesively fixed on The air outlet valve on piece, the second seal are adhesively fixed on the air-intake valve plate, the interior outside of the first seal Face is obliquely installed to be engaged in first positioning groove, and the interior lateral surface of the second seal is obliquely installed with profit In being engaged in second positioning groove；

The first lengthening part is provided in the first seal, first lengthening part is located in the first seal away from institute The one side of the first mounting hole is stated, during the outlet valve block carries out outlet away from the valve plate, first lengthening part It is always positioned in first positioning groove；

The second lengthening part is provided in the second seal, second lengthening part is located in the second seal away from institute The one side of the second mounting hole is stated, during the air-intake valve plate carries out air inlet away from the valve plate, second lengthening part It is always positioned in second positioning groove.

7. miniaturization air compressor according to claim 5, which is characterized in that the piston includes rubber ring and piston Pressing plate, be provided on the connecting plate with the corresponding link slot of piston pressing plate, the bottom of the link slot set Have threaded hole and positioning convex column, be provided on the piston pressing plate through hole corresponding with threaded hole and with the convex The corresponding Blind locating holes of column, the rubber ring is by the piston pressing plate pressing in the link slot；

It is described be additionally provided with the screw on the air-intake valve plate keep away at the top of piston pressing plate position to keep away position blind Hole.

8. miniaturization air compressor according to claim 1, which is characterized in that on the fixed part of two stents It is provided with multiple for installing the stay hooks of the miniaturization air compressor, the fixation at the top and bottom of the fixed part The direction of hook is arranged oppositely, multiple stay hooks it is in the same size.

9. miniaturization air compressor according to claim 8, which is characterized in that four apex angles at the top of the fixed part Place rotates and sets there are one the stay hook, and four vertex of the fixed part bottom are fixedly installed that there are two described solid Determine hook, two stay hooks of one vertex in fixed part bottom are respectively fixedly disposed at adjacent two of the fixed part On side.

10. miniaturization air compressor according to claim 1, which is characterized in that the crank further includes an eccentric weight Block, the center of the center of gravity of the eccentric weight, the center of the connection boss and the connecting hole are located along the same line, institute The center of gravity of eccentric weight and the center of the connection boss are stated respectively positioned at the both sides at the center of the connecting hole, the eccentric weight The center of gravity of block with a distance from the center of the connecting hole be more than it is described connection boss center of the center from the connecting hole away from From the rotational travel of two cranks differs 180 °.