CN216241299U

CN216241299U - Frequency conversion high vacuum degree rotary vane vacuum pump

Info

Publication number: CN216241299U
Application number: CN202122786899.2U
Authority: CN
Inventors: 郑泽安
Original assignee: Zhejiang Aite Refrigeration Equipment Co ltd
Current assignee: Zhejiang Aite Refrigeration Equipment Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model belongs to the technical field of vacuum pumps, in particular to a variable-frequency high-vacuum degree rotary vane vacuum pump, which comprises a bottom plate, wherein a pump body is arranged on the upper surface of the bottom plate, a supporting leg is fixedly connected to the lower end of the pump body, a slot is arranged on the surface of one end of the bottom plate, a motor is arranged at one end of the bottom plate, a mounting plate is fixedly connected to the lower surface of the motor, a first threaded rod which is in screwing connection with a fixed module is arranged inside the bottom plate, a second threaded rod which is in screwing connection with a movable plate is arranged at the other end of the bottom plate, the motor can slide leftwards to stretch and tighten a belt by arranging the second threaded rod and the movable plate, so that the belt is more convenient to mount and dismount, the limit is more stable and firm, the belt is convenient to mount and dismount quickly, the working efficiency is improved, and the connection between the bottom plate and the pump body is more convenient and quick by arranging the first threaded rod and the connecting block, and spacing firm simple operation is saved time steadily, promotes practicality and equipment use convenience.

Description

Frequency conversion high vacuum degree rotary vane vacuum pump

Technical Field

The utility model belongs to the technical field of vacuum pumps, and particularly relates to a variable-frequency high-vacuum-degree rotary vane vacuum pump.

Background

The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods. Vacuum pumps can be basically classified into two types, i.e., a gas trap pump and a gas transfer pump, according to the operating principle of the vacuum pump. Common vacuum pumps include dry screw vacuum pumps, water ring pumps, reciprocating pumps, slide valve pumps, rotary vane pumps, roots pumps, diffusion pumps and the like, and any type of vacuum pump cannot be completely suitable for all working pressure ranges because of the wide range of the working pressure related to the vacuum application department, and different types of vacuum pumps can be used only according to different working pressure ranges and different working requirements.

Original rotary-vane vacuum pump has the installation to dismantle inconvenient when using, wastes time and energy and reduces work efficiency, and can't carry out the position control and be not convenient for carry out quick replacement to the belt, and spacing operation is convenient connection unstability of saving time inadequately, provides a frequency conversion high vacuum rotary-vane vacuum pump at present and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a variable-frequency high-vacuum rotary vane vacuum pump which has the characteristics of convenience in mounting and dismounting, movability, stable limiting and convenience in operation.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a frequency conversion high vacuum rotary-vane vacuum pump, includes the bottom plate, the upper surface of bottom plate is provided with the pump body, the lower extreme fixedly connected with supporting legs of the pump body, the slot has been seted up on the one end surface of bottom plate, the one end of bottom plate is provided with the motor, the lower fixed surface of motor is connected with the mounting panel, the inside of bottom plate is provided with closes the threaded rod No. one of being connected soon with fixed module, the other end of bottom plate is provided with closes the threaded rod No. two of being connected soon with the movable plate, one side of bottom plate is provided with the belt.

According to the preferable technical scheme of the variable-frequency high-vacuum rotary-vane vacuum pump, the surface of the second threaded rod is connected with the movable plate in a screwing mode, the lower surface of the mounting plate is fixedly connected with the clamping plate, and the surface of the clamping plate is provided with the clamping groove in clamping connection with the limiting rod.

According to the preferred technical scheme of the variable-frequency high-vacuum-degree rotary-vane vacuum pump, a moving groove is formed in one end of a bottom plate, a return spring elastically connected with a clamping plate is arranged on the surface of the moving groove, a limiting rod is fixedly connected to the surface of the moving groove, the moving grooves are connected in number and arranged in one end of the bottom plate in an array mode, and the same limiting rod and the same return spring are arranged in each moving groove.

According to the preferred technical scheme of the variable-frequency high-vacuum-degree rotary-vane vacuum pump, the lower surface of the supporting leg is fixedly connected with the connecting block, the surface of the connecting block is provided with the limiting groove clamped and connected with the limiting plate, and the limiting plate elastically connected with the limiting spring is arranged inside the limiting groove.

According to the preferable technical scheme of the variable-frequency high-vacuum-degree rotary-vane vacuum pump, a notch for moving a fixing plate is formed in the bottom plate, the fixing plate is arranged in the bottom plate, a sliding groove in sliding connection with a sliding block is formed in the surface of the fixing plate, and a limiting spring is arranged at the bottom end of the limiting plate.

According to the preferable technical scheme of the variable-frequency high-vacuum rotary vane vacuum pump, the lower surface of the fixing plate is fixedly connected with the fixing module, the fixing module is internally provided with a thread groove in screwed connection with the first threaded rod, and the fixing plate is in screwed connection with the first threaded rod through the fixing module and the thread groove.

Compared with the prior art, the utility model has the beneficial effects that: through setting up threaded rod and movable plate No. two, make the motor slide left and stretch and tighten the belt, it is more convenient to make the installation of belt dismantle, it is spacing more stable firm, the belt of being convenient for carries out quick assembly disassembly save time and improves work efficiency, make being connected between the bottom plate and the pump body more convenient quick through setting up a threaded rod and connecting block, and spacing stable firm operation saves time, promote practicality and equipment use convenience, make opening and shutting simple convenient and firm in connection between motor and the bottom plate through setting up gag lever post and cardboard, avoid the motor to rock the normal use that influences equipment when using, the spacing effect of further enhancement of draw-in groove of seting up through the cardboard surface.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the left-end internal cross-section of the bottom plate of the present invention;

FIG. 3 is a partial side sectional view of the base plate of the present invention;

FIG. 4 is a schematic view of the right end internal cross-section of the bottom plate of the present invention;

FIG. 5 is a schematic view of a partial cross-sectional structure of a fixing plate according to the present invention;

in the figure: 1. a base plate; 2. a pump body; 3. supporting legs; 4. a slot; 5. a motor; 6. mounting a plate; 7. a first threaded rod; 8. a belt; 9. a limiting rod; 10. a return spring; 11. clamping a plate; 12. moving the plate; 13. a second threaded rod; 14. a card slot; 15. a moving groove; 16. connecting blocks; 17. a limiting plate; 18. a limiting groove; 19. a limiting spring; 20. a fixing plate; 21. a chute; 22. a slider; 23. a fixed module; 24. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a frequency conversion high vacuum degree rotary-vane vacuum pump, comprising a base plate 1, the upper surface of bottom plate 1 is provided with the pump body 2, the lower extreme fixedly connected with supporting legs 3 of the pump body 2, slot 4 has been seted up on the one end surface of bottom plate 1, the one end of bottom plate 1 is provided with motor 5, the lower fixed surface of motor 5 is connected with mounting panel 6, the inside of bottom plate 1 is provided with closes threaded rod 7 No. one of being connected with fixed module 23 soon, the other end of bottom plate 1 is provided with closes threaded rod 13 No. two of being connected with movable plate 12 soon, one side of bottom plate 1 is provided with belt 8, 5 accessible slot 4 slides on the surface of bottom plate 1 in this embodiment, make motor 5 can carry out position control, the belt 8 of being convenient for installs the dismantlement in the one end of the pump body 2 and motor 5, and the convenient improvement work efficiency of spacing stable operation.

Specifically, the surface of No. two threaded rods 13 closes soon and is connected with movable plate 12, the lower fixed surface of mounting panel 6 is connected with cardboard 11, draw-in groove 14 of being connected with the 9 blocks of gag lever post is seted up on the surface of cardboard 11, movable plate 12 promotes cardboard 11 along with No. two threaded rods 13's rotation and inwards slides extrusion reset spring 10 and makes the motor 5's of upper end position control more convenient in this embodiment, and reset spring 10 plays and can promote the effect that resets with motor 5 after relieving spacing, be convenient for take out of motor 5 promotes convenience and practicality.

Specifically, moving slot 15 has been seted up inside the one end of bottom plate 1, moving slot 15's surface is provided with reset spring 10 with 11 elastic connection of cardboard, moving slot 15's fixed surface is connected with gag lever post 9, moving slot 15's number just is array setting and sets up inside the one end of bottom plate 1 for linking, every moving slot 15's inside all is provided with the same gag lever post 9, reset spring 10, in this embodiment insert through draw-in groove 14 between gag lever post 9 and the cardboard 11 and close and be connected, play spacing effect, make the inside slip at moving slot 15 that cardboard 11 is stable, and make the connection between motor 5 of upper end and the bottom plate 1 stable firm, avoid motor 5 to rock the normal use that influences the equipment when using.

Specifically, the lower fixed surface of supporting legs 3 is connected with connecting block 16, and connecting block 16's surface is seted up the spacing groove 18 of being connected with limiting plate 17 block, and the inside of spacing groove 18 is provided with limiting plate 17 with 19 elastic connection of limiting spring, and the number of limiting plate 17 is four and is two bisymmetry settings in this embodiment, through 19 elastic connection of limiting spring between two limiting plates 17, makes the elasticity of limiting plate 17 accessible limiting spring 19 reset and avoids influencing the pump body 2 and carry out quick assembly disassembly.

Specifically, a notch for fixing the plate 20 to move is provided in the bottom plate 1, the fixing plate 20 is provided in the bottom plate 1, a sliding groove 21 slidably connected with a sliding block 22 is provided on the surface of the fixing plate 20, a limiting spring 19 is provided at the bottom end of the limiting plate 17, the sliding groove 21 is shaped like a V in this embodiment, the fixing plate 20 can slide upwards to release the inward shrinkage of the limiting plates 17 on both sides to limit the connecting block 16, and the sliding groove 21 plays a role in limiting the sliding block 22, so that the limiting plate 17 can stably and firmly slide in the sliding groove 21.

Concretely, the fixed surface of fixed plate 20 is connected with fixed module 23, fixed module 23's inside is seted up and is closed the thread groove 24 of being connected soon with a threaded rod 7, close soon through fixed module 23 and thread groove 24 between fixed plate 20 and the threaded rod 7 and be connected, threaded rod 7 closes soon with fixed module 23 in this embodiment and is connected, make a threaded rod 7 can control fixed plate 20 and remove in the inside of bottom plate 1, be convenient for control the spacing opening and shutting between the pump body 2 and the bottom plate 1, make spacing convenient stability more between the bottom plate 1 and the pump body 2, promote practicality and the spacing stability of equipment.

The working principle and the using process of the utility model are as follows: when the utility model is used, the connecting block 16 arranged on the lower surface of the supporting foot 3 is inserted into the bottom plate 1, then the first threaded rod 7 is rotated to enable the fixed plate 20 to move on the surface of the first threaded rod 7 through the fixed module 23, the fixed plate 20 moves towards the bottom end of the bottom plate 1, the limiting plate 17 is driven by the slide block 22 to move on the surface of the fixed plate 20 along the sliding groove 21, the limiting plate 17 moves towards two sides to enter the inside of the limiting groove 18 to limit the connecting block 16, the limiting spring 19 plays roles of resetting and auxiliary limiting, the installation and the disassembly between the bottom plate 1 and the pump body 2 are simpler and more convenient, then the clamping plate 11 on the lower surface of the mounting plate 6 is inserted into the slot 4, then the belt 8 is sleeved at one end of the motor 5 and the pump body 2, the second threaded rod 13 is rotated to enable the moving plate 12 with the surface in screwing connection to move inwards in the moving groove 15, and the clamping plate 11 is pushed to be in inserting connection with the limiting rod 9 through the clamping groove 14, slide along gag lever post 9 and extrude reset spring 10, make motor 5 of upper end together slide left and stretch belt 8, make belt 8's installation dismantle more convenient, the belt 8 of being convenient for carries out quick assembly disassembly save time and improves work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion high vacuum degree rotary-vane vacuum pump which characterized in that: including bottom plate (1), the upper surface of bottom plate (1) is provided with the pump body (2), lower extreme fixedly connected with supporting legs (3) of the pump body (2), slot (4) have been seted up on the one end surface of bottom plate (1), the one end of bottom plate (1) is provided with motor (5), the lower fixed surface of motor (5) is connected with mounting panel (6), the inside of bottom plate (1) is provided with threaded rod (7) of being connected with fixed module (23) soon, the other end of bottom plate (1) is provided with closes threaded rod (13) of being connected soon with movable plate (12), one side of bottom plate (1) is provided with belt (8).

2. The variable frequency high vacuum rotary vane vacuum pump of claim 1, further comprising: the surface of the second threaded rod (13) is connected with a movable plate (12) in a screwing mode, the lower surface of the mounting plate (6) is fixedly connected with a clamping plate (11), and a clamping groove (14) which is connected with the limiting rod (9) in a clamping mode is formed in the surface of the clamping plate (11).

3. The variable frequency high vacuum rotary vane vacuum pump of claim 1, further comprising: the utility model discloses a portable electronic device, including bottom plate (1), bottom plate (15), the one end of bottom plate (1) is inside to be seted up movable groove (15), the surface of movable groove (15) is provided with reset spring (10) with cardboard (11) elastic connection, the fixed surface of movable groove (15) is connected with gag lever post (9), the number of movable groove (15) just is array setting for even and sets up inside the one end of seting up in bottom plate (1), every the inside of movable groove (15) all is provided with same gag lever post (9), reset spring (10).

4. The variable frequency high vacuum rotary vane vacuum pump of claim 1, further comprising: the lower surface fixedly connected with connecting block (16) of supporting legs (3), spacing groove (18) of being connected with limiting plate (17) block is seted up on the surface of connecting block (16), the inside of spacing groove (18) is provided with limiting plate (17) with spacing spring (19) elastic connection.

5. The variable frequency high vacuum rotary vane vacuum pump of claim 4, wherein: the inside of bottom plate (1) is seted up and is used for the notch that fixed plate (20) removed, the inside of bottom plate (1) is provided with fixed plate (20), spout (21) with slider (22) sliding connection are seted up on the surface of fixed plate (20), the bottom of limiting plate (17) is provided with spacing spring (19).

6. The variable frequency high vacuum rotary vane vacuum pump of claim 5, wherein: the lower fixed surface of fixed plate (20) is connected with fixed module (23), thread groove (24) of closing the connection soon with a threaded rod (7) are seted up to the inside of fixed module (23), close soon through fixed module (23) and thread groove (24) between fixed plate (20) and a threaded rod (7) and be connected.