CN209976402U - Connecting structure of upper cover of vacuum packaging machine - Google Patents
Connecting structure of upper cover of vacuum packaging machine Download PDFInfo
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- CN209976402U CN209976402U CN201920483968.2U CN201920483968U CN209976402U CN 209976402 U CN209976402 U CN 209976402U CN 201920483968 U CN201920483968 U CN 201920483968U CN 209976402 U CN209976402 U CN 209976402U
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- upper cover
- adjusting plate
- adjusting
- box
- coupling structure
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Abstract
The utility model relates to a connection structure of vacuum packaging machine upper cover, including box and upper cover, the upper cover passes through the connecting piece and articulates on the box, and the opening part of box forms supporting platform, corresponds supporting platform and is provided with seal ring at the lower surface of upper cover, the connecting piece includes two pendulum rod subassemblies, and two pendulum rod subassemblies are established separately the both sides of upper cover, pendulum rod subassembly include adjusting plate and mounting panel, the one end of mounting panel pass through the articulated shaft with the box is articulated, the other end and adjusting plate fixed connection, with the one end that the upper cover is close to the articulated shaft is first end, and the relative other end is the second end, and the one end of adjusting plate articulates the second of upper cover is served, and the other end passes through the adjusting shaft and connects on the first end of upper cover, correspond the adjusting shaft on the adjusting plate and be equipped with the adjusting hole, the aperture of adjusting. The utility model discloses seal ring's life and sealed effect can have been promoted.
Description
Technical Field
The utility model relates to a connection structure of vacuum packaging machine upper cover.
Background
Among traditional vacuum packaging machine, the one end of upper cover articulates the hinged end on the box, and the other end is the free end, is equipped with seal ring on the lower terminal surface of upper cover, and when the upper cover lid closed the opening part of box, seal ring supported and pressed the opening part at the box, formed the vacuum chamber through the evacuation in the box, through the pressure differential inside and outside the box, seal ring can stably support and press at the opening part, realizes sealedly, avoids the vacuum chamber gas leakage. However, after the upper cover connecting structure adopting the mode is used for a long time, the thickness becomes thinner gradually after the sealing ring is pressed and worn, at the moment, when the sealing washer is pressed at the opening of the box body, the position of the hinged end of the upper cover and the position of the free end of the upper cover, corresponding to the sealing washer, can actually have a height drop difference, so that the sealing washer is difficult to completely fit at the opening of the box body, and the sealing washer needs to be replaced at the moment.
In view of this, the present invention provides a solution to the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seal ring life is longer and sealed effectual connection structure of vacuum packaging machine upper cover.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
connection structure of vacuum packaging machine upper cover, including box and upper cover, the upper cover passes through the connecting piece and articulates on the box, and the opening part of box forms supporting platform, corresponds supporting platform at the lower surface of upper cover and is provided with seal ring, the connecting piece includes two pendulum rod subassemblies, and two pendulum rod subassemblies are established separately the both sides of upper cover, pendulum rod subassembly include adjusting plate and mounting panel, the one end of mounting panel pass through the articulated shaft with the box is articulated, and the other end and adjusting plate fixed connection, with the one end that the upper cover is close to the articulated shaft is first end, and the relative other end is the second end, and the one end of adjusting plate articulates on the second end of upper cover, the other end passes through the adjusting shaft and connects on the first end of upper cover, correspond the adjusting shaft on the adjusting plate and be equipped with the adjustment hole, the aperture in adjustment hole is.
As an optimized mode of the present invention, the adjusting hole is a strip-shaped hole disposed along the vertical direction.
As a preferable mode of the present invention, the adjusting plate is disposed parallel to the side wall of the upper cover.
As an optimized mode of the present invention, the adjusting shaft is screwed to the first screw of the upper cover, and the first screw is perpendicular to the adjusting plate.
As an optimized mode of the utility model, be equipped with the backup pad on the box, the mounting panel passes through the articulated shaft is installed in the backup pad.
As an optimized mode of the present invention, the mounting plate and the adjusting plate are integrally formed, and the mounting plate and the adjusting plate are vertically disposed.
As a preferred mode of the utility model, the lower extreme of adjusting plate still is equipped with out the apron, open the apron one end with the lower extreme of adjusting plate links up, and the other end is wobbling free end, is equipped with reset spring on the free end, and reset spring's one end is connected on the free end, and the other end is connected supporting platform's lower extreme.
As an optimized mode of the utility model, supporting platform's lower extreme forms downwardly extending's bounding wall, the backup pad passes through the second bolt locking on the bounding wall.
As a preferred mode of the present invention, the one end of the return spring is installed on the second bolt, and the other end is installed on the free end through the first bolt.
As a preferable mode of the present invention, the free end is closer to the second end than the hinge shaft.
Adopt the technical scheme of the utility model afterwards, after seal ring uses the attenuation of a period, close the upper cover lid to supporting platform after, seal ring can lean on supporting platform betterly in upper cover second end position, because the setting of adjustment hole and adjusting spindle, the one end of upper cover can the adjusting plate downstream relatively, thereby make seal ring also can lean on supporting platform betterly in the first end position of upper cover, thereby make to form effectual sealed between upper cover and the supporting platform, need not to change seal ring, seal ring's life has been promoted.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is a diagram showing the state of the upper cover and the box body in the case of the present invention without adjusting holes (the sealing washer is not thinned);
FIG. 4 is a diagram showing the state of the upper cover and the box body in the case of the present invention without the adjusting holes (the sealing washer becomes thinner);
10-upper lid 11-sealing gasket
20-box 21-supporting platform
22-boarding 30-adjusting plate
31-first end 32-second end
33-second screw 34-adjustment groove
35-first screw 40-mounting plate
41-articulated shaft 50-cover opening plate
51-free end 60-return spring
61-first bolt 62-second bolt
70-support plate 80-gap
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.
Referring to fig. 1 and 3, the connecting structure of the upper cover of the vacuum packaging machine comprises a box body and the upper cover 10, wherein the upper cover 10 is hinged on the box body 20 through a connecting piece, a supporting platform 21 is formed at an opening of the box body 20, a sealing gasket 11 is arranged on the lower surface of the upper cover 10 corresponding to the supporting platform 21, specifically, an annular groove is arranged on the upper surface of the supporting platform 21, and the sealing gasket 11 is embedded in the annular groove. The link comprises two rocker assemblies (only one set is shown in the figures for reasons of perspective) which are respectively arranged on both sides of the upper cover 10. The pendulum rod subassembly includes adjusting plate 30 and mounting panel 40, the one end of mounting panel 40 pass through articulated shaft 41 with box 20 is articulated, the other end and adjusting plate 30 fixed connection, with the one end that upper cover 10 is close to articulated shaft 41 is first end 31, and the relative other end is second end 32 to first end 31 is the rear end of upper cover 10, and second end 32 is the front end of upper cover 10, and two pendulum rod subassemblies set up respectively on the left side and the right side of upper cover 10. One end of the adjusting plate 30 is hinged to the second end 32 of the upper cover 10, specifically hinged to the second end 32 through a second screw 33, and the other end is connected to the first end 31 of the upper cover 10 through an adjusting shaft, an adjusting hole 34 is formed in the adjusting plate 30 corresponding to the adjusting shaft, and the diameter of the adjusting hole 34 is larger than the outer diameter of the adjusting shaft.
As a preferred mode of the present invention, the adjusting hole 34 is a bar-shaped hole disposed along the vertical direction. The adjusting shaft can move up and down along the adjusting hole, thereby driving the upper cover 10 to swing up and down relative to the adjusting plate 30.
As a preferred embodiment of the present invention, the adjusting plate 30 is disposed parallel to the side wall of the upper cover 10.
As a preferred mode of the present invention, the adjusting shaft is screwed to the first screw 35 of the upper cover 10, and the first screw 35 is perpendicular to the adjusting plate 30.
As a preferred embodiment of the present invention, a supporting plate 70 is disposed on the box 20, the supporting plate 70 is parallel to the adjusting plate 30 and the mounting plate 40, and the mounting plate 40 is disposed on the supporting plate 70 through the hinge shaft 41.
As a preferred embodiment of the present invention, the mounting plate 40 and the adjusting plate 30 are integrally formed, and the mounting plate 40 and the adjusting plate 30 are vertically disposed.
As an optimized mode of the present invention, the lower end of the adjusting plate 30 is further provided with an opening cover plate 50, one end of the opening cover plate 50 is connected to the lower end of the adjusting plate 30, the other end is a swingable free end 51, a return spring 60 is arranged on the free end 51, one end of the return spring 60 is connected to the free end 51, and the other end is connected to the lower end of the supporting platform 21. Compared with the traditional torsion spring structure, the structure of the return spring 60 is adopted, the return spring 60 is not easy to break, and the service life of the whole device is longer.
As a preferred mode of the present invention, the lower end of the supporting platform 21 forms a downwardly extending enclosure 22, and the supporting plate 70 is locked on the enclosure 22 by the second bolt 62.
As a preferred mode of the present invention, one end of the return spring 60 is mounted on the second bolt 62, and the other end is mounted on the free end 51 through the first bolt 61.
As a preferred mode of the present invention, the free end 51 is closer to the second end 32 than the hinge shaft 41. Adopt the utility model discloses a structure, when upper cover 10 lid closed to supporting platform 21 on, reset spring 60 was stretched, under the inside vacuum environment of box 20, upper cover 10 supported and pressed on supporting platform 21, when the vacuum environment in box 20 eliminated, upper cover 10 opened round articulated shaft 41 swing under reset spring 60 spring action, and it has the structure simply, uncap convenient advantage.
In order to better explain the utility model's conception, refer to fig. 3 and fig. 4, if the utility model discloses do not set up the adjustment hole, after seal ring uses a period, the seal ring attenuation, make seal ring be close to supporting platform through rotating the mounting panel this moment, support on supporting platform at seal ring's front end, can form the space between seal ring's other positions and the supporting platform, this space is crescent from seal ring's front end to rear end, and through addding adjustment groove and adjusting shaft, can make the rear end of upper cover move down relative to the adjusting plate, thereby drive the corresponding downstream of seal ring, make seal ring can support better and lean on supporting platform.
The product form of the present invention is not limited to the drawings and embodiments of the present application, and any person can properly change or modify the product form of the present invention without departing from the scope of the present invention.
Claims (10)
1. Connection structure of vacuum packaging machine upper cover, including box and upper cover, the upper cover passes through the connecting piece and articulates on the box, and the opening part of box forms supporting platform, corresponds supporting platform at the lower surface of upper cover and is provided with seal ring, its characterized in that: the connecting piece includes two pendulum rod subassemblies, and two pendulum rod subassemblies are established respectively the both sides of upper cover, the pendulum rod subassembly include adjusting plate and mounting panel, the one end of mounting panel pass through the articulated shaft with the box is articulated, the other end and adjusting plate fixed connection, with the one end that the upper cover is close to the articulated shaft is first end, and the relative other end is the second end, and the one end of adjusting plate articulates the second of upper cover is served, and the other end passes through the adjustment hub connection and is in the first of upper cover is served, corresponds the adjustment hub on the adjusting plate and is equipped with the adjustment hole, and the aperture in adjustment hole is greater than the external diameter of adjustment hub.
2. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 1, wherein: the adjusting holes are strip-shaped holes arranged in the vertical direction.
3. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 2, wherein: the adjusting plate is arranged in parallel with the side wall of the upper cover.
4. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 3, wherein: the adjusting shaft is a first screw screwed on the upper cover, and the first screw is perpendicular to the adjusting plate.
5. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 4, wherein: the box body is provided with a supporting plate, and the mounting plate is arranged on the supporting plate through the hinged shaft.
6. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 5, wherein: the mounting panel with adjusting plate integrated into one piece, the mounting panel with the adjusting plate sets up perpendicularly.
7. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 6, wherein: the lower extreme of adjusting plate still is equipped with and opens the apron, open the apron one end with the lower extreme of adjusting plate links up, and the other end is wobbling free end, is equipped with reset spring on the free end, and reset spring's one end is connected on the free end, and the other end is connected supporting platform's lower extreme.
8. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 7, wherein: the lower end of the supporting platform forms a coaming extending downwards, and the supporting plate is locked on the coaming through a second bolt.
9. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 8, wherein: one end of the return spring is mounted on the second bolt, and the other end of the return spring is mounted on the free end through the first bolt.
10. The coupling structure of the upper cover of the vacuum packing machine as claimed in claim 9, wherein: the free end is closer to the second end than the hinge axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483968.2U CN209976402U (en) | 2019-04-11 | 2019-04-11 | Connecting structure of upper cover of vacuum packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483968.2U CN209976402U (en) | 2019-04-11 | 2019-04-11 | Connecting structure of upper cover of vacuum packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209976402U true CN209976402U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920483968.2U Active CN209976402U (en) | 2019-04-11 | 2019-04-11 | Connecting structure of upper cover of vacuum packaging machine |
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| CN (1) | CN209976402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914998A (en) * | 2019-04-11 | 2019-06-21 | 郑荣华 | The connection structure of vacuum packing machine upper cover |
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2019
- 2019-04-11 CN CN201920483968.2U patent/CN209976402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914998A (en) * | 2019-04-11 | 2019-06-21 | 郑荣华 | The connection structure of vacuum packing machine upper cover |
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