CN213540672U

CN213540672U - External shell structure for vacuum pump

Info

Publication number: CN213540672U
Application number: CN202022085600.6U
Authority: CN
Inventors: 周李江
Original assignee: Jiangyin Hengtian Technology Co ltd
Current assignee: Jiangyin Hengtian Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-25
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses an outside shell structure for vacuum pump, the power distribution box comprises a box body, be provided with the connector on the box, the access panel has been seted up on the box lateral wall, the cooperation can be dismantled on the access panel and be connected with the apron. Through such design, set up the access panel on the box, can overhaul the time spent in the later stage, open the access panel, change and maintain to the heart of inside spare part, it is comparatively convenient.

Description

External shell structure for vacuum pump

Technical Field

The present invention relates to an outer casing structure for a vacuum pump.

Background

The operation principle of the existing vacuum pump oil separation box body is as follows: the box divide into about two parts, and upper portion is the cartridge filter, and the cavity of lower part for holding the oil body, cartridge filter external exposure in the cavity, the pump body with gaseous from the air inlet discharge chamber in, then filter fluid through the cartridge filter, get into inside the cartridge filter (fluid stays in the cavity), then gaseous from the gas outlet discharge completion separation (the gas outlet intercommunication of cartridge filter export and box). The position of the cavity close to one point of the lower part is connected with a filter for filtering and purifying oil in the cavity. The oil in the cavity is injected from the outside, and the driving motor is lubricated through an external oil way in the cavity.

The most formula as an organic whole of vacuum pump oil separation box, comparatively inconvenient in the maintenance in later stage, need can accomplish after the whole dismantlement of shell body, efficiency is lower. Meanwhile, the outer shell is easy to resonate with a driving part (a motor for driving the blades to rotate), and the noise is high. The prior art urgently needs an external shell structure for a vacuum pump, which is convenient to overhaul and has low noise.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the external shell structure for the vacuum pump, which can improve the feeding efficiency and realize stable feeding.

In order to achieve the purpose, the technical scheme of the invention is to provide an external shell structure for a vacuum pump, which comprises a box body, wherein a connecting port is arranged on the box body, an access window is arranged on the side wall of the box body, and a cover plate is detachably connected on the access window in a matched manner. Through such design, set up the access panel on the box, can overhaul the time spent in the later stage, open the access panel, change and maintain to the heart of inside spare part, it is comparatively convenient.

Preferably, the inner edge of the access window is provided with a connecting edge which is matched and connected with the cover plate, and the connecting edge is uniformly provided with inner connecting holes; the outer edge of the connecting edge is an access window guide inner groove surface which is an inclined plane with a narrow inner part and a wide outer part; the outer edge of the cover plate is an outer mounting surface of the access window cover plate, and the outer mounting surface of the access window cover plate is in adaptive connection with the guide inner groove surface of the access window; and the cover plate is provided with an outer connecting hole matched with the inner connecting hole. Due to the design, when the cover plate is matched and connected with the access window, the outer mounting surface of the access window cover plate is connected with the guide inner groove surface of the access window in a guide adaptive manner, so that the connection is convenient, and the sealing is facilitated.

Preferably, a sealing ring is arranged between the cover plate and the connecting edge in a pressing mode. Such a design is advantageous for further improving the sealing effect.

Preferably, a raised heat dissipation strip is arranged outside the cover plate. By the design, the heat dissipation effect can be improved through the cover body.

Preferably, the inner wall of the box body is provided with a reinforcing rib. The design can not only improve the strength of the box body, but also reduce the noise caused by resonance.

Preferably, the reinforcing ribs are cross-shaped reinforcing ribs. Such a design is a further optimization of the solution.

Preferably, the connection port includes a filter mounting port, and the mounting port is a plug-in mounting port. Such design, it is comparatively convenient when trading the filter with the later stage.

Preferably, the tank has a capacity of 5L. By the design, the volume of oil in the box body is reduced, and high material utilization rate is realized.

Preferably, an oil quantity detection window is formed in the box body, an oil quantity detection window sealing cover is connected to the oil quantity detection window in a matched mode, an oil inlet, a detection port and an oil outlet are sequentially formed in the oil quantity detection window sealing cover from top to bottom, and plugs are respectively connected to the oil inlet, the detection port and the oil outlet in a matched mode. By means of the design, the oil quantity can be detected through the oil quantity detection window.

Preferably, the filter mounting opening is stepped, and the depth of the stepped filter mounting opening is 5-8 cm. The structure and the depth design can facilitate the installation and the disassembly of the filter.

The invention has the advantages and beneficial effects that: through such design, set up the access panel on the box, can overhaul the time spent in the later stage, open the access panel, change and maintain to the heart of inside spare part, it is comparatively convenient.

Drawings

FIG. 1 is a schematic structural diagram of an external housing structure (from a front view, with a cover plate omitted);

FIG. 2 is a schematic structural view (from a front view) of an outer housing structure;

FIG. 3 is a schematic structural view (rear view) of an outer housing structure;

FIG. 4 is a schematic view of the cover plate structure (side view);

FIG. 5 is a perspective view of a cover plate structure;

FIG. 6 is a perspective view (at a different angle) of the cover plate structure;

FIG. 7 is a schematic view of a fitting connection structure of the filter and the filter mounting opening;

fig. 8 is a schematic view of a structure of the oil amount detection window cover and the oil amount detection window in a matching connection manner.

In the figure: 1. a box body; 2. a connecting port; 3. an access panel; 4. a cover plate; 5. a connecting edge; 6. an inner connection hole; 7. the access panel is guided to the inner groove surface; 8. overhauling the outer mounting surface of the window cover plate; 9. an outer connecting hole; 10. a heat dissipating strip; 11. a seal ring; 12. reinforcing ribs; 13. a filter mounting port; 14. a sealing ring positioning groove; 15. a filter; 16. an oil quantity detection window; 17. sealing the oil quantity detection window; 18. an oil inlet; 19. a detection port; 20. and an oil outlet.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 8, an external shell structure for a vacuum pump comprises a box body 1, wherein a connecting port 2 is arranged on the box body 1, an access window 3 is arranged on the side wall of the box body 1, and a cover plate 4 is detachably connected to the access window 3 in a matching manner.

The inner edge of the access window 3 is provided with a connecting edge 5 which is matched and connected with the cover plate 4, and the connecting edge 5 is uniformly provided with inner connecting holes 6; the outer edge of the connecting edge 5 is an access window guide inner groove surface 7, and the access window guide inner groove surface 7 is an inclined surface with a narrow inner part and a wide outer part; the outer edge of the cover plate 4 is an inspection window cover plate outer mounting surface 8, and the inspection window cover plate outer mounting surface 8 is in adaptive connection with an inspection window guide inner groove surface 7; the cover plate 4 is provided with an external connection hole 9 matched with the internal connection hole 6.

And a sealing ring 11 is tightly pressed between the cover plate 4 and the connecting edge 5. The inner surface of the cover plate 4 is provided with a sealing ring positioning groove 14.

And a raised heat dissipation strip 10 is arranged outside the cover plate 4.

The inner wall of the box body 1 is provided with a reinforcing rib 12.

The reinforcing ribs 12 are cross-shaped reinforcing ribs 12.

The connecting port 2 comprises a filter mounting port 13, and the mounting port 13 is a plug-in mounting port 13. The filter mounting opening 13 is step-shaped, and the depth of the step-shaped filter mounting opening 13 is 5-8 cm. Due to the structure and the depth design, the tail part of the filter 15 can be exposed outside the filter mounting opening 13 in a protruding mode, and the filter 15 can be conveniently mounted and dismounted. The connecting port 2 further comprises an air inlet and an air outlet.

The box structure is divided into an installation space with the upper part being a filter barrel and a cavity with the lower part being an oil body. The capacity of the box body 1 is 5L. The existing tank body volume (the volume of a cavity for containing oil bodies) is about 7L, so that the volume of the tank body is reduced, the using amount of oil can be reduced, and the cost is reduced.

Preferably, an oil amount detection window 16 is formed in the box body 1, an oil amount detection window sealing cover 17 is connected to the oil amount detection window 16 in a matched mode, an oil inlet 18, a detection port 19 and an oil outlet 20 are sequentially formed in the oil amount detection window sealing cover 17 from top to bottom, and plugs are respectively connected to the oil inlet 18, the detection port 19 and the oil outlet 20 in a matched mode. By means of the design, the oil quantity can be detected through the oil quantity detection window. The plug is detachably connected with the oil inlet 18, the detection port 19 and the oil outlet 20 through threads, and is provided with a sealing ring.

When using, with the part installation to box 1 in with correspond connector 2, then with apron 4 and 3 cooperation connections of access panel, connect internal connection hole 6 and external connection hole 9 through the screw and fix, when the installation, the access panel outer installation face 8 and the access panel direction inner groove face 7 cooperation contact, and before the contact, the access panel direction inner groove face 7 of interior narrow outer width can play the guide effect. In later period maintenance, can dismantle apron 4, carry out parts maintenance and repair, it is comparatively convenient.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the technical principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the invention.

Claims

1. An outer casing structure for a vacuum pump, characterized in that: the box body is provided with a connecting port, the side wall of the box body is provided with an access window, and the access window is matched and detachably connected with a cover plate;

the inner edge of the access window is provided with a connecting edge which is matched and connected with the cover plate, and the connecting edge is uniformly provided with inner connecting holes; the outer edge of the connecting edge is an access window guide inner groove surface which is an inclined plane with a narrow inner part and a wide outer part; the outer edge of the cover plate is an outer mounting surface of the access window cover plate, and the outer mounting surface of the access window cover plate is in adaptive connection with the guide inner groove surface of the access window; and the cover plate is provided with an outer connecting hole matched with the inner connecting hole.

2. An outer casing structure for a vacuum pump according to claim 1, wherein: and a sealing ring is compressed between the cover plate and the connecting edge.

3. An outer casing structure for a vacuum pump according to claim 2, wherein: the cover plate is externally provided with a raised heat dissipation strip.

4. An outer casing structure for a vacuum pump according to claim 3, wherein: and reinforcing ribs are arranged on the inner wall of the box body.

5. An outer casing structure for a vacuum pump according to claim 4, wherein: the reinforcing rib is a cross-shaped reinforcing rib.

6. An outer casing structure for a vacuum pump according to claim 1, wherein: the connector comprises a filter mounting port, and the mounting port is a plug-in mounting port.

7. An outer casing structure for a vacuum pump according to claim 6, wherein: the capacity of the box body is 5L.

8. An outer casing structure for a vacuum pump according to claim 7, wherein: the oil quantity detection device is characterized in that an oil quantity detection window is formed in the box body, an oil quantity detection window sealing cover is connected to the oil quantity detection window in a matched mode, an oil inlet, a detection port and an oil outlet are sequentially formed in the oil quantity detection window sealing cover from top to bottom, and the oil inlet, the detection port and the oil outlet are respectively connected with plugs in a matched mode.

9. An outer casing structure for a vacuum pump according to claim 6, wherein: the filter mounting opening is step-shaped, and the depth of the step-shaped filter mounting opening is 5-8 cm.