CN219605564U

CN219605564U - Screw vacuum pump

Info

Publication number: CN219605564U
Application number: CN202320371358.XU
Authority: CN
Inventors: 樊挺杰; 樊忠; 沙宝明; 沈沛
Original assignee: Nantong Longying Vacuum Technology Co ltd
Current assignee: Nantong Longying Vacuum Technology Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-29
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a screw vacuum pump which is applied to the field of vacuum pumps and comprises a screw vacuum pump body, wherein a first motor is arranged on the surface of the screw vacuum pump body; according to the utility model, the rotating head is rotated to drive the rotating rod to rotate, the rotating rod is rotated to drive the rotating disc to rotate, the rotating disc is rotated to drive the connecting rod to move, the connecting rod is moved to drive the clamping rod to move, the clamping rod is moved to enable the clamping rod to be separated from the inner wall of the junction box, the cover plate is taken out for wiring, the purpose of facilitating wiring can be achieved, the workload is reduced, the working efficiency is improved, the use is convenient, the rotating plate is driven to rotate by the second motor, the rotating block is rotated by the second motor, the heat dissipation plate is rotated to drive the heat dissipation plate to quickly dissipate heat of the screw vacuum pump body, the purpose of good heat dissipation effect can be achieved, the stability of the screw vacuum pump is ensured, and the service life is prolonged.

Description

Screw vacuum pump

Technical Field

The utility model relates to the technical field of vacuum pumps, in particular to a screw vacuum pump.

Background

The screw vacuum pump is an air extraction device which uses a pair of screws to perform synchronous high-speed reverse rotation in a pump shell to generate air suction and air exhaust effects, is a newer product of an oil seal vacuum pump, can extract gas occasions containing a large amount of water vapor and a small amount of dust, and is widely applied to the fields of enterprises with high requirements on cleaning vacuum, such as domestic pharmacy, chemical industry, semiconductors and the like.

At present, the Chinese utility model with the bulletin number of CN209414151U discloses an anti-corrosion screw vacuum pump, which comprises an equipment base, the top surface bolt connection of equipment base has the vacuum pump body, the side of the vacuum pump body is equipped with the rotation motor, the surface of rotation motor is equipped with external circuit box, there is one side fixedly connected with motor shaft coupling that the rotation motor is close to the vacuum pump body, one side that the motor shaft coupling kept away from the rotation motor is connected with anti-corrosion screw rod, the screw rod bearing has been concatenated at the both ends of anti-corrosion screw rod, the air inlet has all been seted up to the top surface and the bottom surface of the vacuum pump body, the air outlet has been seted up to the top surface that the vacuum pump body kept away from the air inlet. According to the utility model, the ceramic anti-corrosion layer is plated on the surface of the rotary screw of the screw vacuum pump, so that the hardness and corrosion resistance of the surface of the rotary screw are enhanced, the anti-corrosion circular plate and the anti-corrosion circular cavity plate isolate the working environment from the shaft coupling and the bearing of the screw vacuum pump, the internal environment of the screw vacuum pump is ensured to be sealed and stable, and the failure rate is greatly reduced.

The existing screw vacuum pump is inconvenient to wire, the cover plate of the general junction box is fixed with the junction box through a plurality of screws, when the junction box is wired, the screws are required to be disassembled and assembled by using a screwdriver, the operation is complex, the workload is increased, the working efficiency is reduced, the heat dissipation efficiency is low, a large amount of heat is generated when the general screw vacuum pump works, a large amount of heat dissipation fin plates are arranged on the surface of the screw vacuum pump generally, and the heat is dissipated through a natural heat dissipation mode, so that the heat dissipation mode has a moving effect, but has a large limitation, the heat dissipation effect is unfavorable under some conditions, the service life is influenced, and in order to solve the problems, the screw vacuum pump is provided.

Disclosure of Invention

The utility model aims to provide a screw vacuum pump which has the advantages of convenience in wiring and good heat dissipation effect.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a screw vacuum pump, includes the screw vacuum pump body, the surface mounting of screw vacuum pump body has first motor, the surface bolt of first motor has the terminal box, be provided with the apron between the inner wall of terminal box, the inner wall rotation of apron has cup jointed the dwang, the fixed surface of dwang has cup jointed the rolling disc, the surface hinge of rolling disc has the connecting rod, the other end of connecting rod articulates there is the clamping rod, and the inner wall joint of clamping rod and terminal box, the surface bolt of screw vacuum pump body has the fixed frame, the inner wall bolt of fixed frame has the mount, the surface bolt of mount has the second motor, the output of second motor passes the mount and the bolt has the dwang, the surface bolt of dwang has the heating panel.

By adopting the technical scheme, through rotating the rotating head, the rotating head rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the rotating disc to rotate, the rotating disc rotates to drive the connecting rod to move, the connecting rod moves to drive the clamping rod to move, the clamping rod moves to enable the clamping rod to be separated from the inner wall of the junction box and to be clamped, the cover plate is taken out, the wiring mode is adopted, the purpose of being convenient for wiring can be achieved, the workload is reduced, the working efficiency is improved, the rotating head is convenient to use, the rotating block is driven to rotate through the second motor, the rotating block rotates to drive the radiating plate to rotate, the radiating plate rotates to quickly dissipate heat of the screw vacuum pump body, the purpose of good radiating effect can be achieved, stability of the screw vacuum pump is guaranteed, and the service life is prolonged.

The utility model is further provided with: one end of the rotating rod is bolted with a rotating head.

By adopting the technical scheme, the rotating rod is convenient to rotate by arranging the rotating head.

The utility model is further provided with: and a protective net is bolted between the inner walls of the fixed frames.

By adopting the technical scheme, sundries are prevented from entering the fixed frame by arranging the protective net.

The utility model is further provided with: the surface bolt of fixed frame has the mounting leg.

By adopting the technical scheme, the installation leg is arranged, so that the installation is convenient.

The utility model is further provided with: the surface fixing of the clamping connection rod is sleeved with a limiting plate, and a spring is arranged between the limiting plate and the inner wall of the cover plate.

By adopting the technical scheme, the clamping rod is prevented from loosening by arranging the limiting plate and the spring, and stability is ensured.

The utility model is further provided with: the quantity of heating panel is four, and four heating panels evenly distributed are on the surface of rotating block.

By adopting the technical scheme, the number of the radiating plates is four, and the four radiating plates are uniformly distributed on the surface of the rotating block, so that the radiating efficiency is improved.

The utility model is further provided with: and the surface of the screw vacuum pump body is bolted with radiating fins.

By adopting the technical scheme, the radiating fin is arranged, so that the radiating effect is improved.

The utility model is further provided with: the surface bolt of mount has the protective housing, and the second motor is located the inside of protective housing.

By adopting the technical scheme, the second motor is protected by arranging the protective shell.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, the rotating head is rotated to drive the rotating rod to rotate, the rotating rod is rotated to drive the rotating disc to rotate, the rotating disc is rotated to drive the connecting rod to move, the connecting rod is moved to drive the clamping rod to move, the clamping rod moves to enable the clamping rod to be separated from the inner wall of the junction box, the cover plate is taken out, and the wiring is performed, so that the purpose of facilitating wiring can be achieved, the workload is reduced, the working efficiency is improved, and the wiring device is convenient to use.

2. According to the screw vacuum pump, the second motor rotates to drive the rotating block to rotate, the rotating block rotates to drive the heat dissipation plate to rotate, and the heat dissipation plate rotates to rapidly dissipate heat of the screw vacuum pump body, so that the purpose of good heat dissipation effect can be achieved, the stability of the screw vacuum pump is guaranteed, and the service life is prolonged.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a side view of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the present utility model;

FIG. 4 is a side cross-sectional view of the structure of the present utility model;

FIG. 5 is an enlarged view of the structure A in FIG. 4 according to the present utility model

Fig. 6 is an enlarged view of the structure of fig. 3B according to the present utility model.

In the figure: 1. a screw vacuum pump body; 2. a first motor; 3. a junction box; 4. a cover plate; 5. a rotating lever; 6. a rotating disc; 7. a connecting rod; 8. a clamping rod; 9. a fixed frame; 10. a fixing frame; 11. a second motor; 12. a rotating block; 13. a heat dissipation plate; 14. a rotating head; 15. a protective net; 16. a mounting leg; 17. a limiting plate; 18. a spring; 19. a heat radiation fin; 20. and a protective shell.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1, fig. 3, fig. 4 and fig. 5, a screw vacuum pump, including screw vacuum pump body 1, screw vacuum pump body 1's surface mounting has first motor 2, the surface bolt of first motor 2 has terminal box 3, be provided with apron 4 between the inner wall of terminal box 3, the inner wall rotation of apron 4 has cup jointed dwang 5, the fixed surface of dwang 5 has cup jointed rotor 6, the surface of rotor 6 articulates there is connecting rod 7, the other end of connecting rod 7 articulates there is joint pole 8, and joint pole 8 and terminal box 3's inner wall joint, through rotating rotor 14, the rotation of rotor 14 drives dwang 5 and rotates, the rotation of dwang 5 drives rotor 6 and rotates, rotor 6 rotates and drives connecting rod 7 and move, connecting rod 7 moves and drives joint pole 8 and move, joint pole 8 moves and make joint pole 8 and terminal box 3's inner wall break away from the joint, take out apron 4, the mode of wiring, the purpose of being convenient for has been reached, work efficiency has been improved, and the convenience in use.

Referring to fig. 1 and 3, one end of the rotation lever 5 is bolted with a rotation head 14, and by providing the rotation head 14, the rotation of the rotation lever 5 is facilitated.

Referring to fig. 5, the surface of the clamping rod 8 is fixedly sleeved with a limiting plate 17, a spring 18 is arranged between the limiting plate 17 and the inner wall of the cover plate 4, and the clamping rod 8 is prevented from loosening and is ensured to be stable by arranging the limiting plate 17 and the spring 18.

Referring to fig. 1, 3 and 4, the surface of the screw vacuum pump body 1 is bolted with a heat radiating fin 19, and the heat radiating effect is improved by providing the heat radiating fin 19.

Example 2:

referring to fig. 1, fig. 2, fig. 3 and fig. 6, the surface bolt of screw vacuum pump body 1 has fixed frame 9, the inner wall bolt of fixed frame 9 has mount 10, the surface bolt of mount 10 has second motor 11, the output of second motor 11 passes mount 10 and bolt has rotor 12, rotor 12's surface bolt has heating panel 13, through second motor 11 rotation, rotor 12 rotation is driven to rotor 11 rotation, rotor 12 rotation drives heating panel 13 rotation, the mode that heating panel 13 rotation looses the heat of screw vacuum pump body 1 fast can reach the effectual purpose of radiating, the stability of screw vacuum pump has been guaranteed, and a service life is improved.

Referring to fig. 2, 3 and 6, a protection net 15 is bolted between the inner walls of the fixed frame 9, and by providing the protection net 15, foreign materials are prevented from entering the fixed frame 9.

Referring to fig. 1, 2 and 3, the fixing frame 9 has a surface to which mounting legs 16 are bolted, and installation is facilitated by providing the mounting legs 16.

Referring to fig. 2, the number of the heat dissipation plates 13 is four, and the four heat dissipation plates 13 are uniformly distributed on the surface of the rotating block 12, and by setting the number of the heat dissipation plates 13 to four, and the four heat dissipation plates 13 are uniformly distributed on the surface of the rotating block 12, the heat dissipation effect is improved.

Referring to fig. 6, a protective housing 20 is bolted to the surface of the fixing frame 10, and the second motor 11 is located inside the protective housing 20, and the second motor 11 is protected by providing the protective housing 20.

The use process is briefly described: the rotating head 14 is rotated, the rotating head 14 rotates to drive the rotating rod 5 to rotate, the rotating rod 5 rotates to drive the rotating disc 6 to rotate, the rotating disc 6 rotates to drive the connecting rod 7 to move, the connecting rod 7 moves to drive the clamping rod 8 to move, the clamping rod 8 moves to enable the clamping rod 8 to be separated from the inner wall of the junction box 3, the cover plate 4 is taken out for wiring, after wiring is completed, the cover plate 4 is covered, the clamping rod 8 is clamped with the inner wall of the junction box 3 under the action of the spring 18, and the cover plate 4 is fixed in a mode of being convenient for wiring; the second motor 11 rotates, and the second motor 11 rotates and drives the rotating block 12 to rotate, and the rotating block 12 rotates and drives the cooling plate 13 to rotate, and the cooling plate 13 rotates and dissipates the heat of the screw vacuum pump body 1 fast, can reach the purpose of being convenient for the wiring.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. Screw vacuum pump, including screw vacuum pump body (1), its characterized in that: the surface mounting of screw vacuum pump body (1) has first motor (2), the surface bolt of first motor (2) has terminal box (3), be provided with apron (4) between the inner wall of terminal box (3), the inner wall rotation of apron (4) has cup jointed dwang (5), the fixed surface of dwang (5) has cup jointed dwang (6), the surface hinge of dwang (6) has connecting rod (7), the other end hinge of connecting rod (7) has clamping rod (8), and the inner wall joint of clamping rod (8) and terminal box (3), the surface bolt of screw vacuum pump body (1) has fixed frame (9), the inner wall bolt of fixed frame (9) has mount (10), the surface bolt of mount (10) has second motor (11), the output of second motor (11) passes mount (10) and has cup jointed dwang (12), the surface bolt of dwang (12) has heating panel (13).

2. A screw vacuum pump according to claim 1, characterized in that one end of the turning rod (5) is bolted with a turning head (14).

3. A screw vacuum pump according to claim 1, characterized in that a protective screen (15) is bolted between the inner walls of the fixed frame (9).

4. A screw vacuum pump according to claim 1, characterized in that the surface of the stationary frame (9) is bolted with mounting legs (16).

5. Screw vacuum pump according to claim 1, characterized in that the surface of the clamping rod (8) is fixedly sleeved with a limiting plate (17), and a spring (18) is arranged between the limiting plate (17) and the inner wall of the cover plate (4).

6. A screw vacuum pump according to claim 1, characterized in that the number of the heat radiating plates (13) is four, and the four heat radiating plates (13) are uniformly distributed on the surface of the rotating block (12).

7. Screw vacuum pump according to claim 1, characterized in that the surface of the screw vacuum pump body (1) is bolted with heat dissipating fins (19).

8. A screw vacuum pump according to claim 1, characterized in that the surface of the holder (10) is bolted with a protective shell (20), and the second motor (11) is located inside the protective shell (20).