Protective shell of vacuum pump

Abstract

The utility model relates to a protective shell of a vacuum pump, which belongs to the technical field of vacuum pump production and processing and comprises a base, a motor mounting seat is arranged on the base, and an asynchronous motor and a vacuum pump shell are respectively arranged on the left side and the right side of the motor mounting seat. According to the protective shell of the vacuum pump, a butt-joint frame and a fastener are mounted on the outer surface of the vacuum pump shell, so that one end of the vacuum pump shell penetrates through the butt-joint frame and is inserted into a motor mounting seat, and then two locking rods are clamped into the fastener and extrude two abutting pieces to the right side; and then the abutting frame and a motor mounting base of the vacuum pump shell box are extruded in the direction till the abutting frame presses a sealing rubber frame in the sealing assembly, then a fixing cylinder on a locking rod is rotated and controlled to be inserted into the butt-joint frame, and an inserting frame is connected to an inserting block in the inserting assembly in a sleeving mode and makes close contact with the left side of the butt-joint frame. Therefore, the motor mounting base and the vacuum pump shell can be quickly assembled, and the sealing performance between the motor mounting base and the vacuum pump shell is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump manufacturing and processing technology, specifically a protective shell for a vacuum pump. Background Technology

[0002] A vacuum pump is a device or equipment that uses mechanical, physical, chemical, or physicochemical methods to evacuate a container and obtain a vacuum. It is mainly used to improve, generate, and maintain a vacuum state in a closed space. There are many types of vacuum pumps. According to their working principle, they can be divided into gas delivery pumps and gas collection pumps. According to the vacuum level, they can be divided into rough vacuum, high vacuum, and ultra-high vacuum. The main structure of a vacuum pump consists of a shell, rotor, stator, blades, vanes, bearings, couplings, and motor. At the same time, vacuum pumps also have auxiliary structures, such as suction filters, pressure switches, and cooling water jackets. These components ensure the efficient operation and safety of the pump.

[0003] In current technologies, the assembly process in the production and processing of vacuum pumps requires workers to use multiple fastening bolts to connect the protective shell and the motor mounting base. During installation, workers need to tighten multiple fastening bolts one by one, which increases the labor intensity of workers and affects the efficiency of vacuum pump assembly. Therefore, a protective shell for vacuum pumps is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a protective housing for a vacuum pump, which has the advantage of facilitating quick assembly of the protective housing and the motor mounting base. It solves the problem that workers need to tighten multiple fastening bolts sequentially during installation, which increases the labor intensity of workers and affects the efficiency of vacuum pump assembly.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a protective housing for a vacuum pump, comprising a base, a motor mounting base on the base, an asynchronous motor and a vacuum pump housing respectively on the left and right sides of the motor mounting base, and a mounting structure and a locking structure on the motor mounting base;

[0006] The mounting structure includes a mating frame fixedly mounted on one side of the motor mounting base. Two locking rods for locking the vacuum pump housing are hinged inside the mating frame. A plug-in frame is fixedly mounted on the outer surface of the vacuum pump housing, and an abutment frame is fixedly mounted on the outer surface of the vacuum pump housing. Fasteners for securing the locking rods are provided between the plug-in frame and the abutment frame. Abutment members for abutting the abutment frames are fixedly mounted on both the front and back of the vacuum pump housing.

[0007] Furthermore, the locking structure includes two fixing cylinders, which are respectively threaded onto the outer surfaces of the two locking rods. One end of each fixing cylinder penetrates and extends into the interior of the docking frame. The left side of the docking frame is provided with a plugging component for limiting the plugging position, and the inner wall of the docking frame is provided with a sealing component for sealing the vacuum pump housing.

[0008] Furthermore, the motor mounting base and the base are fixedly connected, the asynchronous motor is fixedly installed on the right side of the motor mounting base, and the vacuum pump housing is inserted into the left side of the motor mounting base.

[0009] Furthermore, rectangular slots are provided on both the front and back of the docking frame. One end of each of the two locking rods is hinged between the left and right side walls of the inner cavity of the two rectangular slots, and the other end of each of the two locking rods passes through another rectangular slot and extends to the outside of the docking frame.

[0010] Furthermore, the fastener includes two fastening plates and four sector slots. The two fastening plates are respectively fixedly installed between opposite sides of the insertion frame and the abutment frame. The four sector slots are respectively opened on the two fastening plates. One end of the locking rod on the same side passes through the two sector slots.

[0011] Furthermore, both of the fixed cylinders include a threaded cylinder and a connecting block. The connecting block is fixedly installed on the outer surface of the threaded cylinder, and the threaded cylinder is threadedly installed on the outer surface of the locking rod. The top of the mating frame has two circular grooves, and one end of the threaded cylinder passes through and extends into the interior of the circular grooves.

[0012] Furthermore, the plug-in assembly includes two plug-in plates, which are respectively fixedly installed on the left side of the docking frame. The plug-in frame has two connecting slots inside, and one end of each plug-in plate passes through the connecting slot.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The protective housing of this vacuum pump, through the installation and locking structures, allows for the installation of a mating frame and fasteners on the outer surface of the vacuum pump housing. This facilitates the insertion of one end of the vacuum pump housing through the mating frame into the motor mounting base. Two locking rods are then engaged with the fasteners, pressing two abutment pieces to the right, thereby compressing the abutment frame and the vacuum pump housing towards the motor mounting base until the abutment frame presses against the sealing rubber frame in the sealing assembly. The fixing cylinder on the locking rod is then rotated and inserted into the interior of the mating frame, causing the insertion frame to fit onto the insertion block in the insertion assembly and make tight contact with the left side of the mating frame. This enables rapid assembly of the motor mounting base and the vacuum pump housing, ensuring a tight seal between them and enhancing the practicality of the vacuum pump's protective housing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 1 Enlarged view of point A in the image;

[0017] Figure 3 This is a three-dimensional schematic diagram of the plug-in frame and fasteners of this utility model.

[0018] In the diagram: 1. Base; 2. Motor mounting bracket; 3. Asynchronous motor; 4. Vacuum pump housing; 51. Connecting frame; 52. Insertion frame; 53. Fastener; 54. Abutment frame; 55. Abutment piece; 56. Locking rod; 57. Fixing cylinder; 58. Insertion assembly; 59. Sealing assembly. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1 to 3 The protective housing of a vacuum pump in this embodiment includes a base 1, a motor mounting base 2 on the base 1, an asynchronous motor 3 and a vacuum pump housing 4 on the left and right sides of the motor mounting base 2 respectively, and an installation structure and a locking structure on the motor mounting base 2. The motor mounting base 2 and the base 1 are fixedly connected. The asynchronous motor 3 is fixedly installed on the right side of the motor mounting base 2, and the vacuum pump housing 4 is inserted into the left side of the motor mounting base 2.

[0021] In this embodiment, the installation structure includes a docking frame 51 fixedly installed on one side of the motor mounting base 2. Two locking rods 56 for locking the vacuum pump housing 4 are hinged inside the docking frame 51. Rectangular slots are provided on both the front and back of the docking frame 51. One end of the two locking rods 56 is respectively hinged between the left and right side walls of the inner cavity of the two rectangular slots. The other end of the two locking rods 56 passes through another rectangular slot and extends to the outside of the docking frame 51, so as to use the locking rods 56 to limit the position of the vacuum pump housing 4. A plug-in frame 52 is fixedly installed on the outer surface of the vacuum pump housing 4 to limit the insertion depth of the vacuum pump housing 4. An abutment frame 54 is fixedly installed on the outer surface of the vacuum pump housing 4. A fastener 53 for fastening the locking rods 56 is provided between the plug-in frame 52 and the abutment frame 54. Abutment members 55 that abut against the abutment frame 54 are fixedly installed on both the front and back of the vacuum pump housing 4, so as to use the locking rods 56 to squeeze the abutment members 55 and drive the abutment frame 54 to move.

[0022] The fastener 53 includes two fastening plates and four sector slots. The two fastening plates are fixedly installed between the opposite sides of the insertion frame 52 and the abutment frame 54. The four sector slots are respectively opened on the two fastening plates. One end of the locking rod 56 on the same side passes through the two sector slots, so that the locking rod 56 can slide along the sector slots and squeeze the abutment 55 and the abutment frame 54, thereby pushing the vacuum pump housing 4 to the right.

[0023] By adopting the above technical solution, two locking rods 56 are hinged inside the flip docking frame 51. The two locking rods 56 are respectively inserted into the two fastening plates in the fastener 53, and the two locking rods 56 respectively press the two abutment members 55, thereby causing the abutment members 55 to drive the abutment frame 54 to move towards the motor mounting base 2, thereby tightly connecting the motor mounting base 2 and the vacuum pump housing 4.

[0024] In this embodiment, the locking structure includes two fixed cylinders 57, which are threaded onto the outer surfaces of the two locking rods 56 respectively. One end of each fixed cylinder 57 extends through and into the interior of the mating frame 51. Each fixed cylinder 57 includes a threaded cylinder and a connecting block. The connecting block is fixedly installed on the outer surface of the threaded cylinder, and the threaded cylinder is threaded onto the outer surface of the locking rod 56. Two circular grooves are provided at the top of the mating frame 51. One end of the threaded cylinder extends through and into the interior of the circular grooves, which facilitates rotating the fixed cylinder 57 and inserting the threaded cylinder in the fixed cylinder 57 into the circular grooves to fix the position of the locking rod 56. A plug-in assembly 58 for limiting the plug-in position is provided on the left side of the mating frame 51. A sealing assembly 59 for sealing the vacuum pump housing 4 and the motor mounting base 2 is provided on the inner wall of the mating frame 51.

[0025] The plug-in assembly 58 includes two plug-in plates, which are fixedly installed on the left side of the docking frame 51. The plug-in frame 52 has two connecting slots inside, and one end of the plug-in plate passes through the connecting slot to facilitate accurate plug-in position of the vacuum pump housing 4.

[0026] By adopting the above technical solution, the moving abutment 55 drives the abutment frame 54 to press against the sealing rubber frame in the sealing assembly 59, and then the fixing cylinder 57 on the two locking rods 56 is rotated and the fixing cylinder 57 is controlled to insert into the circular groove inside the docking frame 51, thereby achieving rapid assembly of the motor mounting base 2 and the vacuum pump housing 4 and ensuring the sealing effect of the assembly.

[0027] The working principle of the above embodiments is as follows:

[0028] In use, the vacuum pump housing 4 is inserted through the docking frame 51 and into the motor mounting base 2, so that the plug-in frame 52 is fitted onto the outer surface of the two plug-in plates in the plug-in assembly 58. Then, the two locking rods 56 hinged inside the docking frame 51 are flipped over, and the two locking rods 56 are respectively inserted into the interior of the two fastening plates in the fastener 53. The two locking rods 56 press the two abutment members 55, so that the abutment members 55 drive the abutment frame 54 to press against the sealing rubber frame in the sealing assembly 59. Then, the fixing cylinder 57 on the two locking rods 56 is rotated and controlled to insert the fixing cylinder 57 into the circular groove inside the docking frame 51, thereby achieving rapid assembly of the motor mounting base 2 and the vacuum pump housing 4 and ensuring the sealing effect of the assembly.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective housing for a vacuum pump, comprising a base (1), characterized in that: The base (1) is provided with a motor mounting seat (2), and an asynchronous motor (3) and a vacuum pump housing (4) are respectively provided on the left and right sides of the motor mounting seat (2). The motor mounting seat (2) is provided with a mounting structure and a locking structure. The mounting structure includes a docking frame (51) fixedly mounted on one side of the motor mounting base (2). The docking frame (51) has two locking rods (56) hinged inside for locking the vacuum pump housing (4). A plug-in frame (52) is fixedly mounted on the outer surface of the vacuum pump housing (4). An abutment frame (54) is fixedly mounted on the outer surface of the vacuum pump housing (4). Fasteners (53) for fastening the locking rods (56) are provided between the plug-in frame (52) and the abutment frame (54). Abutment members (55) for abutting the abutment frame (54) are fixedly mounted on both the front and back of the vacuum pump housing (4).

2. The protective housing of a vacuum pump according to claim 1, characterized in that: The locking structure includes two fixed cylinders (57), which are threaded onto the outer surfaces of two locking rods (56). One end of each fixed cylinder (57) extends through and into the interior of the docking frame (51). A plugging assembly (58) for limiting the plugging position is provided on the left side of the docking frame (51), and a sealing assembly (59) for sealing the vacuum pump housing (4) is provided on the inner wall of the docking frame (51).

3. The protective housing of a vacuum pump according to claim 1, characterized in that: The motor mounting base (2) and the base (1) are fixedly connected. The asynchronous motor (3) is fixedly installed on the right side of the motor mounting base (2). The vacuum pump housing (4) is inserted into the left side of the motor mounting base (2).

4. The protective housing of a vacuum pump according to claim 1, characterized in that: The front and back of the docking frame (51) are provided with rectangular grooves. One end of the two locking rods (56) is respectively hinged between the left and right side walls of the inner cavity of the two rectangular grooves. The other end of the two locking rods (56) passes through another rectangular groove and extends to the outside of the docking frame (51).

5. The protective housing of a vacuum pump according to claim 1, characterized in that: The fastener (53) includes two fastening plates and four fan-shaped slots. The two fastening plates are respectively fixedly installed between the opposite sides of the plug frame (52) and the abutment frame (54). The four fan-shaped slots are respectively opened on the two fastening plates. One end of the locking rod (56) on the same side passes through the two fan-shaped slots.

6. The protective housing of a vacuum pump according to claim 2, characterized in that: Both of the fixed cylinders (57) include a threaded cylinder and a connecting block. The connecting block is fixedly installed on the outer surface of the threaded cylinder, and the threaded cylinder is threadedly installed on the outer surface of the locking rod (56). The top of the docking frame (51) has two circular grooves, and one end of the threaded cylinder passes through and extends into the interior of the circular groove.

7. The protective housing of a vacuum pump according to claim 2, characterized in that: The plug-in assembly (58) includes two plug-in plates, which are respectively fixedly installed on the left side of the docking frame (51). The plug-in frame (52) has two connecting slots inside, and one end of the plug-in plate passes through the connecting slot.

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