CN215561117U - Oil supply device of overedger - Google Patents
Oil supply device of overedger Download PDFInfo
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- CN215561117U CN215561117U CN202121490482.5U CN202121490482U CN215561117U CN 215561117 U CN215561117 U CN 215561117U CN 202121490482 U CN202121490482 U CN 202121490482U CN 215561117 U CN215561117 U CN 215561117U
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- oil
- pressure valve
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- supply device
- overedger
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Abstract
An oil supply device of a overedger. The utility model provides an oil supply device of a overedger, which mainly solves the problems that most of the oil supply devices of the overedger adopt worm gears to realize transmission and supply oil, and the structure is complex. The method is characterized in that: one end of the piston rod is connected with the eccentric transmission part, one end of the piston rod extends into the shell and is provided with a plug head, the plug head divides the cylinder body into a first oil cavity and a second oil cavity, a first pressure valve is arranged between the first oil cavity and the second oil cavity, a second pressure valve is arranged between the oil inlet and the second oil cavity, and the first oil cavity is communicated with the oil outlet; the plug includes a first position where the first pressure valve is closed and the second pressure valve is open and a second position where the first pressure valve is open and the second pressure valve is closed. The utility model provides an oil supply device of a overedger, which adopts an eccentric transmission mechanism to drive a piston rod to move, realizes oil supply through the structural cooperation of a first cavity and a second cavity, and has simple structure and lower cost.
Description
Technical Field
The utility model relates to the field of sewing equipment, in particular to an oil supply device of a overedger.
Background
Overedgers, also known as hemming machines, stacking machines, etc., generally divide into three, four, and five lines. The main function is generally to prevent the seams of the garment from fluffing. The overedger can be used for edge wrapping, and can also be used for sewing fabrics such as T-shirts, sportswear, underwear and knitting. The overedger can cut and sew at the same time, the stitch is like a mesh, and the overedger is also suitable for elastic fabrics.
Most of oil supply devices of the existing overedger adopt worm gears to realize transmission and supply oil, and the structure is complex.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the background art, the utility model provides an oil supply device of a overedger, which mainly solves the problems that most of the oil supply devices of the overedger adopt worm gears to realize transmission and supply oil, and the structure is relatively complex.
The technical scheme adopted by the utility model is as follows:
the oil supply device of the overedger comprises a transmission shaft and a cylinder body which are arranged in a shell, wherein an oil inlet and an oil outlet are formed in the cylinder body, an eccentric transmission part is arranged on the transmission shaft, the oil supply device further comprises a piston rod, one end of the piston rod is connected with the eccentric transmission part, one end of the piston rod extends into the shell and is provided with a plug head, the plug head divides the cylinder body into a first oil cavity and a second oil cavity, a first pressure valve is arranged between the first oil cavity and the second oil cavity, a second pressure valve is arranged between the oil inlet and the second oil cavity, and the first oil cavity is communicated with the oil outlet;
the plug head includes a first position where the first pressure valve is closed and the second pressure valve is open and
a second position in which the first pressure valve is open and the second pressure valve is closed.
The first pressure valve is arranged on the plug head.
The plug is provided with a channel, the bottom of the channel is provided with a first valve seat, and the first pressure valve comprises a first valve core driven by a first elastic piece to abut against the first valve seat.
The first elastic piece is a spring.
The first valve core is of a spherical structure.
The cylinder body still includes into oil pipe, the second pressure valve is located in the oil pipe.
The oil inlet pipe is internally provided with an oil duct, the oil inlet is arranged on the oil inlet pipe, a second valve seat is arranged between the oil inlet and the oil duct, and the second pressure valve comprises a second valve core which is driven by a second elastic part to abut against the second valve seat.
The eccentric transmission part is a cam, and the cam is connected with the piston rod through a connecting rod.
The utility model has the beneficial effects that: the utility model provides an oil supply device of a overedger, which adopts an eccentric transmission mechanism to drive a piston rod to move, realizes oil supply through the structural cooperation of a first cavity and a second cavity, and has simple structure and lower cost.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of one embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view (initial position) of one embodiment of the present invention.
Figure 4 is a schematic cross-sectional view of one embodiment of the present invention (plug first position).
Figure 5 is a schematic cross-sectional view of one embodiment of the utility model (plug second position).
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, the oil supply device of the overedger comprises a transmission shaft 4 and a cylinder body 1 which are arranged in a shell 9, wherein the cylinder body is provided with an oil inlet 11 and an oil outlet 12, the transmission shaft is provided with an eccentric transmission part 41, the overedger further comprises a piston rod 2, one end of the piston rod is connected with the eccentric transmission part, one end of the piston rod extends into the shell and is provided with a plug 21, the plug divides the cylinder body into a first oil cavity 13 and a second oil cavity 14, a first pressure valve 31 is arranged between the first oil cavity and the second oil cavity, a second pressure valve 32 is arranged between the oil inlet and the second oil cavity, and the first oil cavity is communicated with the oil outlet; the plug head includes a first position where the first pressure valve is closed and the second pressure valve is open and a second position where the first pressure valve is open and the second pressure valve is closed. When the oil-saving plug is moved upwards from an initial position, the first pressure valve is closed, the second pressure valve is opened, oil in the first oil cavity flows out from the oil outlet, oil in the second oil cavity is absorbed from the oil source, when the plug moves downwards, the first pressure valve is opened under the action of oil pressure, the second pressure valve is closed, oil in the second oil cavity enters the first oil cavity, and the oil part of the first oil cavity flows out of the oil outlet, and the circulation is carried out, wherein the black part is schematic oil in the figure.
In the present invention, as shown in the drawings, the first pressure valve is provided on the plug head. The first pressure valve moves up and down along with the plug head, so that the whole structure is compact, and the using effect is better.
In the present invention, as shown in the figure, the plug head is provided with a channel 211, the bottom of the channel is provided with a first valve seat 212, and the first pressure valve includes a first valve core 312 which is pressed against the first valve seat by a first elastic member 311. In the normal state, the first pressure valve is in a closed state by the first elastic member, and the first pressure valve is opened against the pressure of the first elastic member when the oil pressure increases. Simple structure and convenient use.
In the present invention, as shown in the drawings, the first elastic member is a spring. As a preferred scheme, a spring is selected here, and a spring plate and the like can be selected according to requirements.
In the present invention, as shown in the drawing, the first valve body has a spherical structure. The spherical structure is more effective in use, and a plate-shaped structure can be adopted.
In the utility model, as shown in the figure, the cylinder body further comprises an oil inlet pipe 15, and the second pressure valve is arranged in the oil inlet pipe.
In the present invention, as shown in the figure, an oil passage 151 is provided in the oil inlet pipe, the oil inlet is provided on the oil inlet pipe, a second valve seat 152 is provided between the oil inlet and the oil passage, and the second pressure valve includes a second valve spool 154 that is urged against the second valve seat by a second elastic member 153. Preferably, the second pressure valve has the same principle as the first pressure valve, and the opening and closing of the valve are realized by pressing the spherical valve core through the spring.
In the present invention, as shown in the figure, the eccentric transmission part is a cam, and the cam is connected with the piston rod through a connecting rod 131. Preferably, the cam is adopted, and the structure is simple.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (8)
1. Oil supply unit of overedger, including installing transmission shaft (4) and cylinder body (1) in casing (9), be equipped with oil inlet (11) and oil-out (12), its characterized in that on the cylinder body: the transmission shaft is provided with an eccentric transmission part (41), the transmission shaft further comprises a piston rod (2), one end of the piston rod is connected with the eccentric transmission part, one end of the piston rod extends into the shell and is provided with a plug head (21), the plug head divides the interior of the shell into a first oil cavity (13) and a second oil cavity (14), a first pressure valve (31) is arranged between the first oil cavity and the second oil cavity, a second pressure valve (32) is arranged between the oil inlet and the second oil cavity, and the first oil cavity is communicated with the oil outlet;
the plug head includes a first position where the first pressure valve is closed and the second pressure valve is open and
a second position in which the first pressure valve is open and the second pressure valve is closed.
2. The oil supply device of an overlock machine according to claim 1, wherein: the first pressure valve is arranged on the plug head.
3. The oil supply device of an overlock machine according to claim 2, wherein: the plug is provided with a channel (211), the bottom of the channel is provided with a first valve seat (212), and the first pressure valve comprises a first valve core (312) which is driven by a first elastic piece (311) to be pressed against the first valve seat.
4. The oil supply device of the overedger according to claim 3, characterized in that: the first elastic piece is a spring.
5. The oil supply device of the overedger according to claim 3, characterized in that: the first valve core is of a spherical structure.
6. The oil supply device of an overlock machine according to claim 1, wherein: the cylinder body still includes into oil pipe (15), the second pressure valve is located in the oil pipe.
7. The oil supply device of an overlock machine according to claim 6, wherein: the oil inlet pipe is internally provided with an oil passage (151), the oil inlet is arranged on the oil inlet pipe, a second valve seat (152) is arranged between the oil inlet and the oil passage, and the second pressure valve comprises a second valve core (154) which is driven by a second elastic piece (153) to abut against the second valve seat.
8. The oil supply device of an overlock machine according to claim 1, wherein: the eccentric transmission part is a cam, and the cam is connected with the piston rod through a connecting rod (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490482.5U CN215561117U (en) | 2021-07-02 | 2021-07-02 | Oil supply device of overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121490482.5U CN215561117U (en) | 2021-07-02 | 2021-07-02 | Oil supply device of overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215561117U true CN215561117U (en) | 2022-01-18 |
Family
ID=79822784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121490482.5U Active CN215561117U (en) | 2021-07-02 | 2021-07-02 | Oil supply device of overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215561117U (en) |
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2021
- 2021-07-02 CN CN202121490482.5U patent/CN215561117U/en active Active
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