Slide valve vacuum pump convenient to maintain

Abstract

The utility model discloses a slide valve vacuum pump convenient to maintain, which belongs to the technical field of maintenance of slide valve vacuum pumps and comprises a base, a pump body and a motor. The pump further comprises a moving mechanism arranged below the motor and a protection mechanism arranged between the pump body and the motor. The moving mechanism comprises a sliding base, a connecting base slidably connected to the top of the sliding base, a threaded connector fixed to the top of the connecting base, a threaded rod rotationally connected to the outer wall of the connecting base and a rotary disc fixed to one end of the threaded rod, and the threaded connector is in threaded connection to the outer wall of the threaded rod. When a transmission belt between the pump body and the motor is disassembled, assembled, maintained and replaced, the motor can be stably close to or far away from the pump body through the moving mechanism, and when the belt between the motor and a belt pulley of the pump body is disassembled and assembled by an auxiliary person, the belt can be stretched and pulled more easily and conveniently without effort.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slide valve vacuum pump maintenance, specifically to a slide valve vacuum pump convenient to maintain. BACKGROUND

[0002] The slide valve vacuum pump is a variable volume gas transmission pump, which has high vacuum degree and large interval air volume, and can be widely applied to vacuum impregnation, vacuum drying process of transformers, electric wires and cables and capacitors in the electric power industry, and is an ideal vacuum equipment for vacuum coating, vacuum smelting, vacuum heat treatment, vacuum oil filtering and freeze drying.

[0003] The slide valve vacuum pump mainly comprises a pump body and a transmission motor, and the transmission between the pump body and the motor is mainly realized through the connection and cooperation of pulleys and belts.

[0004] However, the distance between the pump body and the motor is usually fixed, so that it is difficult and inconvenient to stretch and pull the belts when reassembling the belts between the two pulleys.

[0005] Therefore, the utility model discloses a slide valve vacuum pump convenient to maintain to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model discloses a slide valve vacuum pump convenient to maintain to solve the above problems.

[0007] To achieve the above object, the utility model provides the following technical scheme: a slide valve vacuum pump convenient to maintain, which comprises a base, a pump body and a motor, a moving mechanism arranged below the motor, and a protection mechanism arranged between the pump body and the motor.

[0008] The moving mechanism comprises a sliding base, a connecting seat slidingly connected to the top of the sliding base, a threaded joint fixed to the top of the connecting seat, a threaded rod rotatably connected to the outer wall of the connecting seat, and a rotating disc fixed to one end of the threaded rod, wherein the threaded joint is threadedly connected to the outer wall of the threaded rod.

[0009] The protection mechanism comprises a protective shell, a connecting plate fixed to the bottom of the protective shell, a top rod fixed to the outer wall of the connecting plate, and a magnetic block fixed to one end of the top rod.

[0010] Preferably, two symmetrical sliding grooves are formed in the top of the sliding base, and a sliding block slidingly connected to the two sliding grooves is fixed to the bottom of the connecting seat.

[0011] Preferably, the slide and the pump body are both fixed to the top of the base, a cavity is opened inside the base and a remote control electric cylinder is fixed in the cavity.

[0012] Preferably, a limit rod is inserted between the sliding seat and the connecting seat, and one end of the telescopic shaft of the remote control electric cylinder abuts against one end of the limit rod.

[0013] Preferably, one end of the connecting plate is hinged to the outer wall of the base, one end of the magnetic block is magnetically connected to the base, and a handle is fixed to the outer wall of the protective shell.

[0014] Preferably, the motor and one end of the pump body are provided with pulleys that cooperate with each other, and the protective shell covers the two pulleys of the motor and the pump body.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] First, when disassembling, maintaining, or replacing the belt that drives the pump body and the motor, the motor can be stably moved toward or away from the pump body through the moving mechanism, making it easier and more convenient for assistants to disassemble and install the belt between the motor and the pump body pulley without having to laboriously stretch or pull the belt.

[0017] Secondly, the pulleys of the motor and pump body, as well as the belts between the pulleys, are shielded and protected by the protective shell in the protective mechanism to avoid injury caused by contact with external personnel. The protective shell is stabilized in the working position by magnetic blocks, which is convenient for personnel to quickly open and close. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0020] Figure 2 This is a schematic diagram highlighting the base connection structure of this embodiment;

[0021] Figure 3 This is a schematic diagram highlighting the opening of the protective shell in this embodiment;

[0022] Figure 4 This is a schematic diagram highlighting the structure inside the base in this embodiment.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1, base; 2, slide; 3, connecting seat; 4, motor; 5, threaded joint; 6, threaded rod; 7, rotating disc; 8, remote control cylinder; 9, limiting rod; 10, connecting plate; 11, protective shell; 12, top rod; 13, magnetic block; 14, handle; 15, pump body. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a maintenance convenient slide valve vacuum pump, comprising: base 1, pump body 15 and motor 4;Further comprising mobile mechanism being arranged below motor 4, and protective mechanism being arranged between pump body 15 and motor 4;

[0027] Mobile mechanism includes slide 2, connecting seat 3 being slidably connected to the top of slide 2, threaded joint 5 being fixed to the top of slide 2, threaded rod 6 being rotatably connected to the outer wall of connecting seat 3, and rotating disc 7 being fixed to one end of threaded rod 6, and threaded joint 5 is threadedly connected to the outer wall of threaded rod 6;

[0028] Protective mechanism includes protective shell 11, connecting plate 10 being fixed to the bottom of protective shell 11, top rod 12 being fixed to the outer wall of connecting plate 10, and magnetic block 13 being fixed to one end of top rod 12;

[0029] In mobile mechanism, threaded rod 6 penetrates threaded joint 5 and cooperates with each other, threaded rod 6 is controlled to rotate by forward rotation or reverse rotation rotating disc 7, so that motor 4 can be stably approached or moved away from pump body 15 by mobile mechanism, and auxiliary personnel can disassemble and assemble the belt between motor 4 and pump body 15 pulley more easily, and the pulley of motor 4 and pump body 15 and the belt between the pulleys are shielded and protected by protective shell 11 in protective mechanism, to avoid external personnel from being hurt by contact, and protective shell 11 is stably positioned at operating position by magnetic block 13, to facilitate personnel to open and close quickly.

[0030] Further preferably, two symmetrical slide grooves are formed in the top of slide 2, and the bottom of connecting seat 3 is fixed with two sliding blocks slidably connected in the two slide grooves;

[0031] Two sliding grooves of slide 2 are used to cooperate with two sliding blocks of connecting seat 3, so that motor 4 of connecting seat 3 is more stable during translation and is not easy to deviate.

[0032] Further preferably, the sliding base 2 and the pump body 15 are fixed on the top of the base 1, the base 1 is internally provided with a cavity and the cavity is fixed with the remote control electric cylinder 8;

[0033] The pump body 15 is opposite to the motor 4 and is fixed on the base 1 to perform operation, and the base 1 is provided with the cavity to install the remote control electric cylinder 8, so that the external remote control can control the operation of the electric cylinder.

[0034] Further preferably, the limiting rod 9 is inserted between the sliding base 2 and the connecting base 3, and one end of the telescopic shaft of the remote control electric cylinder 8 abuts against one end of the limiting rod 9;

[0035] After the limiting rod 9 is inserted between the sliding base 2 and the connecting base 3, the connecting base 3 is difficult to move and is stabilized, and the limiting rod 9 is mainly controlled by the telescopic shaft of the remote control electric cylinder 8 to move in and out of the sliding base 2 and the connecting base 3.

[0036] Further preferably, one end of the connecting plate 10 is hinged to the outer wall of the base 1, one end of the magnetic block 13 is magnetically connected to the base 1, and the outer wall of the shell 11 is fixed with the handle 14;

[0037] The connecting plate 10 is hinged to the base 1, so that the shell 11 can be rotated to open and close, and when the pulleys of the pump body 15 and the motor 4 are shielded and protected, the magnetic block 13 can be magnetically attracted and stabilized, and personnel can slightly use force through the handle 14 to separate the magnetic block 13 from the base 1 and open the shell 11.

[0038] Further preferably, the motor 4 and the pump body 15 are provided with pulleys matched with each other at one end, and the shell 11 covers the two pulleys of the motor 4 and the pump body 15;

[0039] The motor 4 and the pump body 15 are mainly driven by the cooperation of the belt and the pulley, and are covered and protected by the shell 11 during daily operation.

[0040] A specific application of this embodiment is: in this slide valve vacuum pump, when the belt driving the motor 4 and the pump body 15 needs to be repaired and replaced, the personnel can directly pull the protective shell 11 through the handle 14 to make the magnetic block 13 at one end of the push rod 12 leave the base 1, and then the protective shell 11 can be rotated open to expose the pulleys of the pump body 15 and the motor 4, as well as the belt between the two pulleys. The telescopic shaft is retracted and moved downward by the remote control electric cylinder 8, and the limit rod 9 is disengaged from the slide 2 and the connecting seat 3. At this time, the personnel can rotate the threaded rod 6 through the turntable 7 to push the threaded rod 6 The connecting seat 3 moves horizontally on the slide 2, so that the motor 4 moves closer to the pump body 15, and then the pulleys of the motor 4 and the pump body 15 are also closer. At this time, it is easier and more convenient to disassemble and assemble the belt. After the belt is put back on the two pulleys, the turntable 7 is reversed to pull the connecting seat 3 through the threaded rod 6, so that the motor 4 moves away from the pump body 15 to a fixed working position, and the limit rod 9 is lifted again by the electric cylinder to insert the limit rod 9 between the slide 2 and the connecting seat 3 to stabilize the motor 4. The protective frame can then be rotated again to cover the two pulleys and the belt. The process is simple and easy to operate.

[0041] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0043] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slide valve vacuum pump with easy maintenance, comprising: A base (1), a pump body (15), and a motor (4); characterized in that it further comprises a moving mechanism arranged below the motor (4), and a protective mechanism arranged between the pump body (15) and the motor (4); The moving mechanism comprises a slide (2), a connecting seat (3) slidably connected to the top of the slide (2), a threaded joint (5) fixed to the top of the slide (2), a threaded rod (6) rotatably connected to the outer wall of the connecting seat (3), and a turntable (7) fixed to one end of the threaded rod (6), wherein the threaded joint (5) is threadedly connected to the outer wall of the threaded rod (6); The protective mechanism comprises a protective shell (11), a connecting plate (10) fixed to the bottom of the protective shell (11), a top rod (12) fixed to the outer wall of the connecting plate (10), and a magnetic block (13) fixed to one end of the top rod (12).

2. The slide valve vacuum pump with easy maintenance according to claim 1, characterized in that: Two symmetrical sliding grooves are provided on the top of the sliding seat (2), and a sliding block is fixed on the bottom of the connecting seat (3) and is slidably connected to the two sliding grooves.

3. The slide valve vacuum pump with easy maintenance according to claim 1, characterized in that: The slide seat (2) and the pump body (15) are both fixed to the top of the base (1). A cavity is provided inside the base (1) and a remote control electric cylinder (8) is fixed in the cavity.

4. The slide valve vacuum pump with easy maintenance according to claim 3, characterized in that: A limiting rod (9) is inserted between the sliding seat (2) and the connecting seat (3), and one end of the telescopic shaft of the remote control electric cylinder (8) abuts against one end of the limiting rod (9).

5. The slide valve vacuum pump with easy maintenance according to claim 1, characterized in that: One end of the connecting plate (10) is hinged to the outer wall of the base (1), one end of the magnetic block (13) is magnetically connected to the base (1), and a handle (14) is fixed to the outer wall of the protective shell (11).

6. The slide valve vacuum pump with easy maintenance according to claim 1, characterized in that: One end of the motor (4) and the pump body (15) is provided with pulleys that cooperate with each other, and the protective shell (11) covers the two pulleys of the motor (4) and the pump body (15).

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