External forced circulation air-cooled vacuum pump

Abstract

The utility model discloses an external forced circulation air-cooled vacuum pump, which relates to the field of vacuum pumps and comprises a vacuum pump, a driving motor, a heat dissipation structure, a base structure and a protective structure, the vacuum pump and the driving motor are fixedly connected to the top end of the base structure, and the heat dissipation structure is fixedly connected to the top end of the vacuum pump. The protection structure is fixedly connected to the rear side of the top end of the base structure and corresponds to the vacuum pump and the driving motor, the vacuum pump comprises a pump body, a first belt wheel and a crankshaft, the crankshaft is rotationally connected to the interior of the pump body, and one end of the crankshaft penetrates through the pump body to be fixedly connected with the first belt wheel; according to the external forced circulation air-cooled vacuum pump, effective heat dissipation treatment can be conducted on the vacuum pump through an external heat dissipation structure, meanwhile, a protection structure is arranged, potential safety hazards in the using process can be reduced, and meanwhile, original built-in air valves are all externally arranged, so that the pump body is convenient to inspect and maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum pump field, concretely is a kind of external forced circulation air-cooled vacuum pump. BACKGROUND

[0002] A vacuum pump is a device used to generate, improve or maintain a vacuum environment. It extracts gas molecules from an enclosed space by mechanical, physical, chemical or other methods, so that the gas pressure of the space is lower than one atmosphere, thereby achieving a vacuum state. Vacuum pumps are widely used in various fields, such as semiconductor manufacturing, scientific research, medical equipment, food processing and aerospace, etc.

[0003] The existing vacuum pump relies on water resources for cooling. Water, due to its good heat conduction performance and wide availability, has become the preferred medium in many industrial cooling systems. However, in some specific regions, such as the western region of China, water resources are relatively scarce, which limits the application range of traditional water-cooled vacuum pumps.

[0004] In addition, in winter, due to extremely low temperature, water is easy to freeze. Once the water in the cooling system freezes, it not only cannot continue to play a cooling role, but also the volume expansion of ice may cause damage to the vacuum pump and its cooling pipeline, and even lead to equipment freeze cracking. This not only increases the maintenance cost of equipment, but also may affect the continuity and stability of production. SUMMARY

[0005] The purpose of the utility model is to provide an external forced circulation air-cooled vacuum pump to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an external forced circulation air-cooled vacuum pump, comprising a vacuum pump, a driving motor, a heat dissipation structure, a base structure and a protection structure, the vacuum pump and the driving motor are fixedly connected to the top end of the base structure, the heat dissipation structure is fixedly connected to the top end of the vacuum pump, the protection structure is fixedly connected to the top side of the top end of the base structure, and the protection structure corresponds to the vacuum pump and the driving motor.

[0007] Preferably, the vacuum pump comprises a pump body, a first pulley and a crankshaft, the crankshaft is rotatably connected inside the pump body, and one end of the crankshaft is fixedly connected with the first pulley through the pump body.

[0008] Preferably, the driving motor comprises a motor body and a second pulley, the output shaft of the motor body is fixedly connected with the second pulley, and the first pulley and the second pulley are externally sleeved with a belt.

[0009] Preferably, the heat dissipation structure comprises a fan shell and an axial flow fan, the axial flow fan is fixed at the top end of the pump body, the fan shell is sleeved outside the axial flow fan, and a plurality of groups of supporting legs are fixed at the bottom end of the fan shell.

[0010] Preferably, the base structure comprises a base body, a first fixing seat and a second fixing seat, the first fixing seat is fixedly connected to one side of the top end of the base body, the second fixing seat is fixedly connected to the other side of the top end of the base body, the vacuum pump is fixed at the top end of the first fixing seat by means of bolts, and the driving motor is fixed at the top end of the second fixing seat by means of bolts.

[0011] Preferably, the protection structure comprises a supporting plate, a protective cover and a honeycomb mesh plate, the protective cover is fixed at the top end of the supporting plate, the honeycomb mesh plate is fixed in the protective cover, and the supporting plate is fixed at the top end of the base body by means of bolts.

[0012] Compared with the prior art, the external forced circulation air-cooled vacuum pump has the advantages that:

[0013] The external forced circulation air-cooled vacuum pump provided by the utility model can be effectively cooled by the external heat dissipation structure, the protection structure is arranged, so that the safety hidden danger during use is reduced, and the original built-in air valve is all arranged externally, so that the pump body is convenient to maintain. ACCURATE DRAWINGS

[0014] The utility model will be further described in connection with the drawings:

[0015] Figure 1 It is external forced circulation air-cooled vacuum pump of the utility model Figure One ;

[0016] Figure 2 It is external forced circulation air-cooled vacuum pump of the utility model Figure Two ;

[0017] Figure 3 It is external forced circulation air-cooled vacuum pump of the utility model Figure Three .

[0018] As shown in the drawings: 1, vacuum pump;11, pump body;12, first pulley;13, crankshaft;2, driving motor;21, motor body;22, second pulley;3, heat dissipation structure;31, fan shell;32, axial flow fan;4, base structure;41, base body;42, first fixing seat;43, second fixing seat;5, protection structure;51, supporting plate;52, protective cover;53, honeycomb mesh plate. CONCRETE IMPLEMENTING METHOD

[0019] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail in conjunction with the accompanying drawings.

[0020] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways different from those described herein, and therefore, the scope of the present application is not limited to the specific embodiments disclosed below.

[0021] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship 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 device or element 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.

[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through an excessive structure, but is connected to form a whole only through a transmission structure. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0024] Please refer to Figures 1 to 3The utility model provides a technical scheme: a kind of external forced circulation air-cooled vacuum pump, including vacuum pump 1, driving motor 2, heat dissipation structure 3, base structure 4 and protective structure 5, vacuum pump 1 and driving motor 2 are all fixedly connected at the top of base structure 4, heat dissipation structure 3 is fixedly connected at the top of vacuum pump 1, protective structure 5 is fixedly connected at the top rear side of base structure 4, protective structure 5 and vacuum pump 1 and driving motor 2 correspond to each other;

[0025] The vacuum pump 1 can be effectively cooled by the external heat dissipation structure 3, and the protective structure 5 is provided, which can reduce the safety hazard during use, and the original built-in air valve is completely external, which is convenient for maintenance of the pump body.

[0026] The vacuum pump 1 includes a pump body 11, a first pulley 12 and a crankshaft 13, the crankshaft 13 is rotatably connected inside the pump body 11, and one end of the crankshaft 13 penetrates through the pump body 11 and is fixedly connected with the first pulley 12.

[0027] The driving motor 2 includes a motor body 21 and a second pulley 22, the output shaft of the motor body 21 is fixedly connected with the second pulley 22, and the first pulley 12 and the second pulley 22 are externally sleeved with a belt.

[0028] In use, the second pulley 22 is driven to rotate by the motor body 21, the first pulley 12 is synchronously driven to rotate by the belt, the crankshaft 13 inside the pump body 11 is driven to rotate by the first pulley 12, and the driving of the vacuum pump 1 is realized.

[0029] The heat dissipation structure 3 includes a fan housing 31 and an axial flow fan 32, the axial flow fan 32 is fixed at the top of the pump body 11, the fan housing 31 is sleeved outside the axial flow fan 32, and a plurality of groups of supporting legs are fixed at the bottom of the fan housing 31.

[0030] When the vacuum pump 1 operates, more heat is generated, at this time, the axial flow fan 32 operates, the heat generated by the vacuum pump 1 is discharged upward through the fan housing 31, and the whole heat dissipation process is completed.

[0031] The base structure 4 includes a base body 41, a first fixing seat 42 and a second fixing seat 43, the first fixing seat 42 is fixedly connected at one side of the top of the base body 41, the second fixing seat 43 is fixedly connected at the other side of the top of the base body 41, the vacuum pump 1 is fixed at the top of the first fixing seat 42 by bolts, and the driving motor 2 is fixed at the top of the second fixing seat 43 by bolts.

[0032] The first fixing seat 42 and the second fixing seat 43 respectively fix the vacuum pump 1 and the driving motor 2, so that the shaking and falling of the vacuum pump 1 and the driving motor 2 during operation can be avoided, the base body 41 plays a role of supporting and lowering the gravity center, and the stability of the whole is improved;

[0033] The protection structure 5 comprises a support plate 51, a protection cover 52 and a honeycomb net plate 53, the protection cover 52 is fixed at the top end of the support plate 51, the honeycomb net plate 53 is fixed in the protection cover 52, and the support plate 51 is fixed at the top end of the base body 41 by means of bolts;

[0034] The honeycomb net plate 53 shields the first belt pulley 12 and the second belt pulley 22, damage caused by accidental touch during operation can be avoided, the hollow design can improve the heat dissipation effect, heat accumulation can be avoided, and observation is facilitated, and damage of the belt pulley or the belt can be directly observed.

[0035] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope of the utility model includes the claims limited to these examples; the technical features in the above embodiments or different embodiments can also be combined under the idea of the utility model, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of simplicity.

[0036] The utility model aims at covering all such alternatives, modifications and variations falling within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An external forced circulation air-cooled vacuum pump, comprising a vacuum pump (1), a driving motor (2), a heat dissipation structure (3), a base structure (4) and a protective structure (5), characterized in that: Said vacuum pump (1) and said drive motor (2) are fixedly connected at the top end of said base structure (4), said heat dissipation structure (3) is fixedly connected at the top end of said vacuum pump (1), said protection structure (5) is fixedly connected at the top rear side of said base structure (4), and said protection structure (5) corresponds to said vacuum pump (1) and said drive motor (2).

2. A vacuum pump of the external forced circulation air-cooled type according to claim 1, characterized in that: Said vacuum pump (1) comprises a pump body (11), a first belt pulley (12) and a crankshaft (13), said crankshaft (13) is rotatably connected inside said pump body (11), and one end of said crankshaft (13) penetrates through said pump body (11) and is fixedly connected with said first belt pulley (12).

3. A vacuum pump of the external forced circulation air-cooled type according to claim 2, characterized in that: Said drive motor (2) comprises a motor body (21) and a second belt pulley (22), the output shaft of said motor body (21) is fixedly connected with said second belt pulley (22), and said first belt pulley (12) and said second belt pulley (22) are externally sleeved with a belt.

4. A vacuum pump of the external forced circulation air-cooled type according to claim 3, characterized in that: Said heat dissipation structure (3) comprises a fan housing (31) and an axial flow fan (32), said axial flow fan (32) is fixed at the top end of said pump body (11), said fan housing (31) is sleeved outside said axial flow fan (32), and a plurality of groups of supporting legs are fixed at the bottom end of said fan housing (31), and said fan housing (31) is fixed at the top end of said pump body (11) by means of the supporting legs.

5. A vacuum pump of the external forced circulation air-cooled type according to claim 4, characterized in that: Said base structure (4) comprises a base body (41), a first fixed seat (42) and a second fixed seat (43), said first fixed seat (42) is fixedly connected at one side of the top end of said base body (41), said second fixed seat (43) is fixedly connected at the other side of the top end of said base body (41), said vacuum pump (1) is fixed at the top end of said first fixed seat (42) by means of bolts, and said drive motor (2) is fixed at the top end of said second fixed seat (43) by means of bolts.

6. A vacuum pump of the external forced circulation air-cooled type according to claim 5, characterized in that: Said protection structure (5) comprises a support plate (51), a protective cover (52) and a honeycomb mesh plate (53), said protective cover (52) is fixed at the top end of said support plate (51), said honeycomb mesh plate (53) is fixed inside said protective cover (52), and said support plate (51) is fixed at the top end of said base body (41) by means of bolts.

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