CN2558789Y - Improved structure of small air compressor - Google Patents
Improved structure of small air compressor Download PDFInfo
- Publication number
- CN2558789Y CN2558789Y CN 02272407 CN02272407U CN2558789Y CN 2558789 Y CN2558789 Y CN 2558789Y CN 02272407 CN02272407 CN 02272407 CN 02272407 U CN02272407 U CN 02272407U CN 2558789 Y CN2558789 Y CN 2558789Y
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- CN
- China
- Prior art keywords
- piston
- air outlet
- compression cylinder
- valve
- unidirectional
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to an improved structure of a small size air compressor. A motor is arranged on a fixed seat to be matched with a transmission shaft lever driven by a shaft lever gear set; at least a group of compression drums provided with pistons are arranged at the side of the fixed seat, the pistons are connected with a connecting bar positioned on a eccentric matching block at the end of the transmission shaft lever so that the pistons are driven to do reciprocating motion in the compression drums; the air outlet at the end of the compression drum and the air inlet of the piston are respectively provided with a check valve, wherein, at least a check valve among check valves controlling air outlet and inlet is a rubber valve tablet that can control one-way opening of the valve. The utility model applies the straightforward valve tablet as a valve to control air inlet and outlet, thus reducing cost and totally solving the problem of incomplete lock of valve caused by elasticity fatigue in traditional valve ejected by spring.
Description
Technical field
The utility model relates to the small-sized air compressor technology, refers to especially a kind ofly make control air inlet or unidirectional the simplifying of valve member structure of giving vent to anger, reduce cost, and can avoid the small-sized air compressor structure-improved of valve insufficiency problem.
Background technique
The small-sized air compressor design of present little gas output, for example Taiwan Province announces " the compressed configuration improvement of mini air compressor " scheme that novel patent proposed No. 254376, it is by a fixed base, transmission device and compression set combine, wherein has a compression cylinder in the fixed base, in side with the affixed motor of bolt, driving gear on the axle center of motor connects the transmission device driving gear, be provided with an interlock axostylus axostyle in the driving gear, the couple axle boom end is established a balancing weight, and with the eccentric connecting rod that connects in the compression set of this balancing weight, connect the piston that is positioned at compression cylinder with this connecting rod again, therefore, make this air compressor can utilize the interlock axostylus axostyle of motor driven transmission device to drive piston to-and-fro motion in compression cylinder, provide the user required high-pressure air in order to pressurized air.
Aforementioned small-sized air compressor is the design of taking the single compressed tube, that is motor driven interlock axostylus axostyle rotates a circle, the single that promptly drives the output of the Piston Compression air structure of giving vent to anger, in addition the someone designs the air compressor design of a kind of pair of compression cylinder now, it is to make the motor driven axostylus axostyle rotate a circle, and promptly successively drives two the structures of giving vent to anger of two independent pistons pressurized air output successively.
The air compressor structure that aforementioned single is given vent to anger or two times are given vent to anger, though a kind of mechanism that can pressurized air output is provided respectively, the leaving air control valve spare of being located at the interior air intake control valve spare of piston in this air compressor and being located at the compression cylinder end has complex structure, cost higher, and use to have the valve insufficiency after a period of time and produce problem such as compression efficiency reduction, its reason is:
In the aforementioned air compressor in order to the combination of control air inlet and the control valve member of whether giving vent to anger system by valve agllutination unification spring, its valve block-shaped special (the especially valve piece at suction port place), and, complex structure, the higher problem of cost are arranged because of number of components is many; In addition, this control valve member system utilizes the keying of the compressibility control valve of spring, so this air compressor uses a period of time, because spring is repeatedly compressing under the start of extension repeatedly, easily produce elastic fatique and weaken the elastic force of its spring, and then cause the problem of this air intake valve insufficiency, and reduce the usefulness of its pressurized air, remain further necessity of improvement.
Summary of the invention
The purpose of this utility model is to provide a kind of and has simplifying of valve member structure, cost is low, and can effectively avoid air inlet or the problem of the valve insufficiency of giving vent to anger, and can keep the small-sized air compressor structure-improved of functions such as pressurized air usefulness.
The small-sized air compressor structure-improved that the utility model proposed, mainly lie in and establish one on the fixed base by the transmission shaft lever of motor in conjunction with the driving gear set driving, establish the hollow compression cylinder of at least one group of tool piston in the fixed base side, this piston connects to be established on the eccentrically mounted weight piece that a connecting rod is connected in the transmission shaft lever end, make piston can be driven in motion repeatedly in the compression cylinder, place, its compression cylinder air outlet establishes the give vent to anger unidirectional valve member of usefulness of a control, establish the unidirectional valve member that a control air inlet is used in piston intake mouth place, this control give vent to anger and the unidirectional valve member of air inlet in, at least one unidirectional valve member is one to be covered in the rubber valve plate of the unidirectional unlatching of may command gas port on the gas port, the single valve block that utilizes this simplifying is as the control valve of controlling air inlet or giving vent to anger, to reduce cost, and solve the problem that conventional springs push type valve member can produce the valve insufficiency because of spring is tired, guarantee that this air compressor keeps set air compression usefulness.
The utility model small-sized air compressor and traditional air compressor relatively have following characteristics: except that possessing the fundamental function that is same as traditional air compressor pressurized air, the further unidirectional keying that utilization is located on the piston or single rubber valve plate is directly controlled suction port or air outlet on the compression cylinder, make it compared to of the combination of traditional air compressor with valve rod and spring, structurally simplify greatly, cost is reduced.In addition, rubber valve plate system directly pastes with itself and supports piston end surface or the driving fit of compression cylinder end, does not have spring can cause the valve insufficiency because of elastic fatique after use a period of time problem fully, can keep the usefulness of certain compression efficiency.
Description of drawings
Fig. 1 is the perspective exploded view that the utility model is two compression cylinder embodiments;
Fig. 2 is that perspective exploded view is amplified in the part of member such as compression cylinder, piston among Fig. 1;
Fig. 3 is the side-looking floor map of air compressor combination shown in Figure 1 back;
Fig. 4 is the partial cutaway schematic of its piston when being the air inlet state in compression cylinder.
Fig. 5 is the partial cutaway schematic of its piston when the compression cylinder compressed air.
Embodiment
Further describe below in conjunction with the structure characteristic of accompanying drawing model utility.Each major component is shown in the accompanying drawing:
(10) fixed base (11) motor
(12) transmission shaft lever (14) driving gear set
(15) eccentrically mounted weight piece (20) compression cylinder
(21) air outlet (211) locating column
(22) unidirectional valve member (23) piston
(231) suction port (232) locating column
(24) the unidirectional valve member of connecting rod (25)
(26) rubber valve plate (261) rubber valve plate
The specific embodiment of relevant this small-sized air compressor structure-improved, be applicable to air compressor structure with single compressed tube or two compression cylinder, structure explanation for ease of this air compressor, below promptly to have the air compressor embodiment explanation of two compression cylinders, see also Fig. 1, shown in 2, this air compressor has a fixed base (10), this fixed base (10) is provided with a motor (11) and a pivotable transmission shaft lever (12), these transmission shaft lever (12) one ends connect motor (11) in conjunction with a driving gear set (14), the other end is provided with eccentrically mounted weight piece (15), makes transmission shaft lever (12) can be motor (11) rotary driving.
The side of the contiguous eccentrically mounted weight piece of fixed base (10) (15) is established a hollow compression cylinder (20) at least, these compression cylinder (20) one ends seal, end is open in addition, its closed end is positioned at away from one of eccentrically mounted weight piece (15) side, and in wherein being provided with an air outlet (21), the outgassing nonreturn valve spare (22) that a control air outlet (21) only can unidirectional unlatching is located and be provided with in this air outlet (21) outwardly; Being provided with one in compression cylinder (20) inside can axially movable piston (23), piston (23) end connects establishes a connecting rod (24) and stretches out compression cylinder (20) open end, and be connected on the eccentrically mounted weight piece (15) of transmission shaft lever (12) end, be provided with at least one suction port that runs through (231) in the piston (23), this suction port (231) locates to be provided with a control suction port (231) only can be towards the breather check valve spare (25) of unidirectional unlatching in the compression cylinder (20), aforementioned air inlet, at least one unidirectional valve member is the rubber valve plate (26) of the unidirectional unlatching of a control gas port in the outgassing nonreturn valve spare (22) (25), (261), to be illustrated in suction port (231), air outlet (21) is all established rubber valve plate (26) (261) and is example, wherein establish a locating column (232) away from connecting rod (24) end with respect to suction port (231) side in piston (23), rubber valve plate (26) is fixed on this locating column (232), and can cover suction port (231), make this rubber valve plate (26) can be towards the unidirectional keying of air outlet (21) direction of compression cylinder (20), the air outlet (21) of being located at compression cylinder (20) end locates also to establish one away from piston (23) provides rubber valve plate (261) to set firmly locating column (211) on it, and this rubber valve plate (261) also covers on the air outlet (21), makes this rubber valve plate (261) can unidirectional keying outwardly.
The aforementioned fixation seat can be established the single group of embodiment's (figure does not show) with hollow compression cylinder of piston in the side of contiguous eccentrically mounted weight piece; Also can be as Fig. 1,3 illustrated embodiments, side in the contiguous eccentrically mounted weight piece of this fixed base (10) (15) is established two hollow compression cylinders (20) with piston, two compression cylinders (20) are established relatively with open end state in opposite directions, and the piston (23) of respectively being located at compression cylinder (20) respectively connects eccentrically mounted weight piece (15) respectively with a connecting rod (24), moves in order to the mode that drives interior piston (23) the priority pressurized air of two compression cylinders (20).
When this air compressor uses, drive transmission shaft lever (12) rotation by motor (11) through driving gear set (14), inferior eccentrically mounted weight piece (15) by transmission shaft lever (12) end drives piston (23) axial motion repeatedly in compression cylinder (20) via connecting rod (24), wherein, when piston (23) is pulled outside when moving, please be shown in Figure 4, inner being closed for the film for rubber (261) of unidirectional valve member (22) because of air outlet (21) of compression cylinder (20) produces negative pressure, makes ambient air push rubber valve plate (26) open and opens suction port (231) air inlet.When piston (23) is advanced inwardly, see also shown in Figure 5, the air of compression cylinder (20) is compressed, when the air pressure of internal compression air is higher than ambient pressure, be that rubber valve plate (26) is closed suction port (231), other pushes rubber valve plate (261) the output pressurized air of locating air outlet (21) open, and the user is provided required high-pressure air.
In sum, the structural design of the innovation really can provide a kind of more traditional air compressor to have more small-sized air compressor handy, practical effect.
Claims (6)
1, a kind of small-sized air compressor structure-improved, comprise fixed base, be arranged at motor and transmission shaft lever on the fixed base, the driving gear set of installing between transmission shaft lever one end and the motor, be installed on the eccentrically mounted weight piece of the described transmission shaft lever the other end, and the hollow compression cylinder with piston;
It is characterized in that:
The side of the contiguous eccentrically mounted weight piece of described fixed base is established a hollow compression cylinder at least, this compression cylinder closed end is provided with the air outlet, the place establishes a unidirectional valve member in the air outlet, and a piston is set in the compression cylinder, pistons end connects to be established a connecting rod and stretches out the compression cylinder open end, and be connected on the eccentrically mounted weight piece of transmission shaft lever end, be provided with at least one suction port that runs through in the piston, and establish a unidirectional valve member in this suction port place, wherein be located at suction port, in the unidirectional valve member at place, air outlet, at least one unidirectional valve member is one can be covered on the gas port rubber valve plate towards the unidirectional unlatching of specific direction.
2, small-sized air compressor structure-improved according to claim 1, it is characterized in that: wherein establish a locating column away from connecting-rod head in piston, rubber valve plate is fixed on this locating column, and is covered in suction port, in order to control suction port towards the unidirectional unlatching of air outlet direction.
3, small-sized air compressor structure-improved according to claim 1, it is characterized in that: wherein establish a locating column away from the piston place in the air outlet of compression cylinder end, rubber valve plate is fixed on this locating column, and is covered in the air outlet, in order to the control unidirectional outwardly unlatching in air outlet.
4, small-sized air compressor structure-improved according to claim 1, it is characterized in that: wherein, in piston establish a locating column away from connecting-rod head, rubber valve plate is fixed on this locating column, and be covered in suction port, in order to control suction port towards the unidirectional unlatching of air outlet direction; A locating column is established away from the piston place in air outlet in the compression cylinder end, and rubber valve plate is fixed on this locating column, and is covered in the air outlet, in order to the control unidirectional outwardly unlatching in air outlet.
5, small-sized air compressor structure-improved according to claim 1 is characterized in that: wherein establish the single group of hollow compression cylinder with piston in the side of the contiguous eccentrically mounted weight piece of fixed base.
6, small-sized air compressor structure-improved according to claim 1, it is characterized in that: wherein establish a hollow compression cylinder with piston respectively in the both sides of the contiguous eccentrically mounted weight piece of fixed base, two compression cylinders with the open end in opposite directions, respectively be located at the interior piston of compression cylinder and be connected in the eccentrically mounted weight piece with a connecting rod respectively, motor can drive the hocket motion of pressurized air of the interior piston of two compression cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272407 CN2558789Y (en) | 2002-08-07 | 2002-08-07 | Improved structure of small air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272407 CN2558789Y (en) | 2002-08-07 | 2002-08-07 | Improved structure of small air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2558789Y true CN2558789Y (en) | 2003-07-02 |
Family
ID=33737105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02272407 Expired - Fee Related CN2558789Y (en) | 2002-08-07 | 2002-08-07 | Improved structure of small air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2558789Y (en) |
-
2002
- 2002-08-07 CN CN 02272407 patent/CN2558789Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |