Vacuum pump with floating ball device

Abstract

The utility model relates to the technical field of vacuum pumps, and discloses a vacuum pump with a floating ball device, which comprises a vacuum pump extraction opening arranged at the bottom end of a vacuum pump body; and the floating piece is movably arranged at the bottom end of the vacuum pump extraction opening, and when the water level at the vacuum pump extraction opening rises, the floating piece rises to block the vacuum pump extraction opening. According to the utility model, the floating piece is arranged at the extraction opening of the vacuum pump; when no liquid enters, airflow enters the gap between the floating part and the vacuum pump extraction opening and enters the vacuum pump extraction opening, the suction force of the vacuum pump is smaller than the gravity of the floating part, the floating part is in a sinking state, and normal work of the vacuum pump is not affected; when the volume of external liquid is increased, and the liquid level rises and approaches the extraction opening of the vacuum pump, the floating piece rises under the combined action of liquid buoyancy and suction force of the vacuum pump to block the extraction opening of the vacuum pump, so that the vacuum pump body cannot suck the liquid into the vacuum pump body, and the vacuum pump body is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum pump technical field, specifically, a vacuum pump with a float device. BACKGROUND

[0002] The vacuum machine generally adopts the vacuum pump as the suction power source, the vacuum packaging bag is clamped on the machine body during vacuumizing, the bag opening of the vacuum packaging bag is placed in the vacuum cavity, the air in the vacuum packaging bag is vacuumized, and then the vacuum packaging bag is sealed. In the prior art, such as the utility model patent with the application number CN202420276579.3, a kind of vacuum fresh-keeping machine is disclosed, including base assembly, upper cover assembly, the base assembly is equipped with lower sealing cavity, the upper cover assembly is equipped with upper sealing cavity, the upper cover assembly can be covered in the upper of the base assembly, to make the upper sealing cavity and the lower sealing cavity be enclosed into vacuum cavity;The vacuum cavity is communicated with the first vacuumizing mechanism, so that the vacuum cavity can be vacuumized by the first vacuumizing mechanism.

[0003] When the vacuum packaging bag contains liquid in actual use, with the vacuumizing, the liquid in the vacuum packaging bag will flow to the vacuum cavity under the action of negative pressure, and the liquid in the vacuum cavity is easy to enter the inside of the vacuum pump along the airflow direction, causing damage.

[0004] Therefore, it is necessary to propose a vacuum pump with a float device to at least partially solve the problems existing in the prior art. SUMMARY

[0005] A series of simplified concepts are introduced in the summary part, which will be further described in detail in the specific embodiment part. The summary part of the utility model does not mean to try to limit the key features and necessary technical features of the claimed technical solution, and even less means to determine the protection scope of the claimed technical solution.

[0006] To solve the above problems, the utility model discloses a kind of vacuum pumps with float device;It includes:

[0007] Vacuum pump suction port, vacuum pump suction port is set to the bottom end of vacuum pump body;

[0008] Floating element, floating element is movably arranged at the bottom end of vacuum pump suction port, when the water level rises at vacuum pump suction port, floating element rises and blocks vacuum pump suction port.

[0009] Preferably, the vacuum pump with the floating ball device further comprises: a waterproof base, a vacuum pump suction port is arranged at the top end of the waterproof base, a floating member holder is connected at the center of the bottom end of the waterproof base, an air suction passage is formed between the floating member holder and the inner wall of the waterproof base, the floating member is movably arranged in the floating member holder and a gap is arranged between the floating member and the vacuum pump suction port.

[0010] Preferably, the floating member is arranged as any one of a floating ball and a floating plate.

[0011] Preferably, the inner diameter of the waterproof base is larger than the size of the floating member, and the size of the floating member is larger than the inner diameter of the vacuum pump suction port.

[0012] Preferably, a groove for accommodating the floating member is arranged at the top end of the floating member holder.

[0013] Preferably, a sealing ring is arranged at the connection between the vacuum pump suction port and the waterproof base.

[0014] Preferably, the vacuum pump body is arranged in a vacuumizing equipment, a vacuum chamber is arranged in the vacuumizing equipment, and the bottom end of the vacuum pump suction port extends into the vacuum chamber.

[0015] Preferably, the bottom end of the waterproof base extends into the vacuum chamber, and the outer wall of the waterproof base is sealingly connected with the vacuum chamber.

[0016] Preferably, the vacuumizing equipment is arranged as any one of a vacuum packaging machine, a vacuum drying machine, a vacuum coating machine, a vacuum filtering machine and other equipment provided with a vacuum chamber.

[0017] Preferably, the vacuum pump body is arranged in a vacuum packaging machine, the vacuum packaging machine comprises: a cover plate assembly and a base assembly, the cover plate assembly is arranged above the base assembly, the vacuum pump body and the waterproof base are arranged in the cover plate assembly, the base assembly is provided with a vacuum chamber, and the bottom end of the waterproof base extends into the vacuum chamber.

[0018] Preferably, the cover plate assembly comprises detachably arranged upper and lower cover plates, the upper and lower cover plates are arranged to form a vacuum pump mounting cavity therebetween, the upper cover plate is provided with an upper vacuum pump holder, the lower cover plate is provided with a corresponding lower vacuum pump holder, the vacuum pump body is arranged between the upper and lower vacuum pump holders, and the waterproof base is connected to the lower cover plate.

[0019] Preferably, the lower cover plate is provided with an upper sealing cavity corresponding to the vacuum chamber.

[0020] Preferably, the bottom end of the lower cover plate is provided with an upper sealing groove, the upper sealing groove is arranged around the upper sealing cavity, and an upper sealing ring is arranged in the upper sealing groove; the top end of the base assembly is provided with a lower sealing groove, the lower sealing groove is arranged around the vacuum chamber, and a lower sealing ring is arranged in the lower sealing groove, and the upper and lower sealing rings are tightly matched.

[0021] Compared with the prior art, the utility model at least has following beneficial effects:

[0022] The vacuum pump with the floating ball device provided by the utility model is provided with a floating piece at the suction port of the vacuum pump; when no liquid enters, airflow enters the gap between the floating piece and the suction port of the vacuum pump and enters the suction port of the vacuum pump, the suction force of the vacuum pump is less than the gravity of the floating piece, the floating piece is in a sinking state and cannot affect the normal work of the vacuum pump; when the volume of the external liquid increases, the liquid level rises and approaches the suction port of the vacuum pump, under the joint action of the liquid buoyancy and the suction force of the vacuum pump, the floating piece rises and blocks the suction port of the vacuum pump, so that the vacuum pump body cannot suck the liquid into the inside of the vacuum pump body, and the vacuum pump body is prevented from being damaged.

[0023] The vacuum pump with the floating ball device, other advantages, objects and features of the utility model will be partly embodied through the following description, and will be partly understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the description of the prior art, and obviously, the drawings in the following description are some embodiments of the utility model, and the person skilled in the art can obtain other drawings according to these drawings without paying creative labor.

[0025] Figure 1 It is an explosion structure schematic view of the vacuum packaging machine in the utility model;

[0026] Figure 2 It is a structure schematic view of the vacuum pump body in the utility model;

[0027] Figure 3 It is a cross section structure schematic view of the vacuum packaging machine in the utility model;

[0028] Figure 4 It is a structure schematic view of the utility model Figure 3 in the A place local amplification structure schematic view;

[0029] Figure 5 It is a local cross section structure schematic view of the vacuum packaging machine in the utility model (when no liquid enters the waterproof seat);

[0030] Figure 6 It is a local cross section structure schematic view of the vacuum packaging machine in the utility model (when liquid enters the waterproof seat).

[0031] In the figure: 1. Vacuum pump body; 2. Vacuum pump suction port; 3. Waterproof seat; 4. Float holder; 5. Suction passage; 6. Float; 7. Base assembly; 8. Vacuum chamber; 9. Upper cover plate; 10. Lower cover plate; 11. Upper vacuum pump holder; 12. Lower vacuum pump holder; 13. Upper sealing cavity; 14. Upper sealing groove; 15. Lower sealing groove. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] EMBODIMENT

[0034] The present application will be further described below in conjunction with the drawings.

[0035] As Figures 1-6 shown, the vacuum pump with a floating ball device provided by the present embodiment comprises:

[0036] The vacuum pump suction port 2 is arranged at the bottom end of the vacuum pump body 1.

[0037] The float 6 is movably arranged at the bottom end of the vacuum pump suction port 2. When the water level at the vacuum pump suction port 2 rises, the float 6 rises to block the vacuum pump suction port 2.

[0038] The float 6 is arranged as any one of a floating ball and a floating plate.

[0039] The working principle and beneficial effects of the present application are as follows:

[0040] The vacuum pump with a floating ball device provided by the present embodiment sucks air through the vacuum pump suction port 2 of the vacuum pump body 1. During the suction process, liquid enters the vacuum pump suction port 2. A float 6 is arranged at the vacuum pump suction port 2. When no liquid enters, airflow enters the gap between the float 6 and the vacuum pump suction port 2 and enters the vacuum pump suction port 2. The suction force of the vacuum pump is smaller than the gravity of the float 6. The float 6 is in a sinking state and does not affect the normal work of the vacuum pump. When the volume of the external liquid increases, the liquid level rises and approaches the vacuum pump suction port 2. Under the joint action of the liquid buoyancy and the suction force of the vacuum pump, the float 6 rises and blocks the suction port 2 of the vacuum pump, so that the vacuum pump body 1 cannot suck the liquid into its interior, thereby preventing the vacuum pump body 1 from being damaged.

[0041] In one embodiment, the vacuum pump with the floating ball device further comprises: a waterproof seat 3, the vacuum pump suction port 2 is installed at the top end of the waterproof seat 3, the bottom end of the waterproof seat 3 is connected with a floating piece holder 4, the floating piece holder 4 and the inner wall of the waterproof seat 3 form an air suction passage 5, and the floating piece 6 is movably arranged in the floating piece holder 4 and a gap is arranged between the floating piece 6 and the vacuum pump suction port 2.

[0042] The waterproof seat 3 is used to support the vacuum pump body 1, and the floating piece holder 4 is used to support the floating piece 6.

[0043] The inner diameter of the waterproof seat 3 is larger than the size of the floating piece 6, and the size of the floating piece 6 is larger than the inner diameter of the vacuum pump suction port 2.

[0044] The top end of the floating piece holder 4 is provided with a groove for accommodating the floating piece 6. The groove is adapted to the surface of the floating piece 6, which helps to keep the floating piece 6 stable and always in the center of the waterproof seat 3, reducing the shaking during the vacuum process.

[0045] The connection between the vacuum pump suction port 2 and the waterproof seat 3 is provided with a sealing ring, which improves the sealing of the top end of the vacuum pump suction port 2 and the waterproof seat 3, so that the suction air flow can only enter from the air suction passage 5.

[0046] In one embodiment, the vacuum pump body 1 is installed in a vacuum equipment, and the vacuum equipment is provided with a vacuum chamber 8, and the bottom end of the vacuum pump suction port 2 extends into the vacuum chamber 8. The bottom end of the waterproof seat 3 extends into the vacuum chamber 8, and the outer wall of the waterproof seat 3 is sealingly connected with the vacuum chamber 8.

[0047] In one embodiment, the vacuum equipment is any one of a vacuum packaging machine, a vacuum drying machine, a vacuum coating machine, a vacuum filter and other equipment provided with the vacuum chamber 8.

[0048] In one embodiment, the vacuum pump body 1 is installed in a vacuum packaging machine, and the vacuum packaging machine comprises: a cover plate assembly and a base assembly 7, the cover plate assembly is arranged above the base assembly 7, the vacuum pump body 1 and the waterproof seat 3 are installed in the cover plate assembly, the base assembly 7 is provided with the vacuum chamber 8, and the bottom end of the waterproof seat 3 extends into the vacuum chamber 8.

[0049] The working principle and beneficial effects of the above technical solution are as follows:

[0050] The vacuum pump body 1 is installed in the vacuum packaging machine, and when the vacuum packaging machine is used, the bag opening of the vacuum bag is placed in the vacuum chamber 8, the cover plate assembly is arranged above the base assembly 7, and then the vacuum pump body 1 is started to generate suction force, and the air in the vacuum chamber 8 and the vacuum bag is sucked out through the air suction passage 5 at the bottom end of the waterproof seat 3.

[0051] In one embodiment, the cover plate assembly comprises detachably arranged upper cover plate 9 and lower cover plate 10, and a vacuum pump mounting cavity is formed between the upper cover plate 9 and the lower cover plate 10, the upper cover plate 9 is provided with an upper vacuum pump frame 11, the lower cover plate 10 is correspondingly provided with a lower vacuum pump frame 12, the vacuum pump body 1 is installed between the upper vacuum pump frame 11 and the lower vacuum pump frame 12, and the waterproof seat 3 is connected to the lower cover plate 10.

[0052] The working principle and beneficial effects of the above technical solution are:

[0053] The cover plate assembly adopts the combined arrangement of the upper cover plate 9 and the lower cover plate 10, the vacuum pump body 1 is installed between the upper vacuum pump frame 11 and the lower vacuum pump frame 12, the vacuum pump suction port 2 is installed on the waterproof seat 3, and the combined arrangement of the cover plate assembly facilitates the maintenance and repair of the vacuum pump body 1.

[0054] In one embodiment, the lower cover plate 10 is provided with an upper sealing cavity 13 corresponding to the vacuum chamber body 8.

[0055] The lower cover plate 10 is provided with an upper sealing groove 14 at the bottom end, the upper sealing groove 14 is arranged around the upper sealing cavity 13, and an upper sealing ring is installed in the upper sealing groove 14; the base assembly 7 is provided with a lower sealing groove 15 at the top end, the lower sealing groove 15 is arranged around the vacuum chamber body 8, and a lower sealing ring is installed in the lower sealing groove 15, and the upper sealing ring and the lower sealing ring are tightly matched.

[0056] The working principle and beneficial effects of the above technical solution are:

[0057] The upper sealing cavity 13 and the vacuum chamber body 8 form the entire vacuum cavity structure in combination, and the waterproof seat 3 extends into the upper sealing groove 14; when the cover plate assembly is arranged above the base assembly 7, the upper sealing ring and the lower sealing ring are tightly matched to seal the upper sealing cavity 13 and the vacuum chamber body 8, thereby ensuring the normal operation of the vacuum packaging machine.

[0058] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0059] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A vacuum pump with a float ball device, characterized by, The utility model relates to a kind of vacuum pump, including: Vacuum pump suction port (2), vacuum pump suction port (2) is set in the bottom end of vacuum pump body (1); Float (6), float (6) is movably arranged in the bottom end of vacuum pump suction port (2), when the water level rises at vacuum pump suction port (2), float (6) rises and blocks vacuum pump suction port (2).

2. A vacuum pump with a float ball device according to claim 1, characterized in that Also including: Waterproof seat (3), vacuum pump suction port (2) is installed in the top end of waterproof seat (3), waterproof seat (3) bottom end center is connected with float retainer (4), and the air passage (5) is formed between float retainer (4) and the inner wall of waterproof seat (3), float (6) is movably arranged in float retainer (4) and gap is provided between float (6) and vacuum pump suction port (2).

3. A vacuum pump with a float ball device according to claim 1, characterized in that, Float (6) is set as any one of floating ball and floating plate.

4. A vacuum pump with a float ball device according to claim 2, characterized in that The inner diameter size of waterproof seat (3) is greater than the size of float (6), and the size of float (6) is greater than the inner diameter size of vacuum pump suction port (2).

5. A vacuum pump with a float ball device according to claim 2, characterized in that, The top end of float retainer (4) is provided with a groove for accommodating float (6).

6. A vacuum pump with a float ball device according to claim 2, characterized in that, Sealing ring is provided at the connection between vacuum pump suction port (2) and waterproof seat (3).

7. A vacuum pump with a float ball device according to claim 2, characterized in that Vacuum pump body (1) is installed in vacuumizing equipment, and vacuumizing equipment is provided with vacuum chamber (8), and the bottom end of vacuum pump suction port (2) extends into vacuum chamber (8).

8. A vacuum pump with a float ball device according to claim 7, characterized in that The bottom end of waterproof seat (3) extends into vacuum chamber (8), and the outer wall of waterproof seat (3) is sealingly connected with vacuum chamber (8).

9. A vacuum pump with a float ball device according to claim 7, characterized in that Vacuumizing equipment is set as any one of vacuum packaging machine, vacuum drying machine, vacuum coating machine, vacuum filter and other equipment provided with vacuum chamber (8).

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