CN212130800U

CN212130800U - Multistage roots formula does not have oily vacuum pump

Info

Publication number: CN212130800U
Application number: CN202020404832.0U
Authority: CN
Inventors: 顾争鸣
Original assignee: Jiangsu Tianfeng Vacuum Pump Co ltd
Current assignee: Jiangsu Tianfeng Vacuum Pump Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-12-11
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a multistage roots formula oilless vacuum pump, which comprises a pump body, the fixed intercommunication of the left surface of the pump body has the intake pipe, the fixed intercommunication of the right surface of the pump body has the outlet duct, the rose box has been placed in the left side of the pump body, the case mouth has been seted up to the upper surface of rose box, the case lid has been placed to the top of rose box, and the bottom surface of case lid contacts with the upper surface of rose box, the bottom surface fixedly connected with regulating box of case lid, the regulating box is kept away from the one end of case lid and is run through the case mouth and extend to the inside of rose box, the one end that the pump body was kept away from to. This multistage roots formula does not have oily vacuum pump through keeping away from each other of pinch-off blades, can dismantle the filter screen, can clear up the filter screen after dismantling, has avoided the problem that the filter screen can't be cleared up, through blockking up from the inside taking out of clearance mouthful, can outwards discharge the inside impurity of rose box, has avoided impurity comparatively loaded down with trivial details problem in the clearance.

Description

Multistage roots formula does not have oily vacuum pump

Technical Field

The utility model belongs to roots's formula does not have oily vacuum pump field especially relates to a multistage roots's formula does not have oily vacuum pump.

Background

The Roots vacuum pump is a variable displacement vacuum pump which is internally provided with two blade-shaped rotors which synchronously rotate in opposite directions, the rotors and the inner wall of a pump shell are not in contact with each other due to a small gap, the Roots vacuum pump is tested on devices such as petroleum, chemical industry, plastics, pesticides, dynamic balance of a steam turbine rotor, aerospace space simulation and the like for long-term operation, so the Roots vacuum pump is widely popularized and applied in China and is also widely used in petroleum, chemical industry, metallurgy, textile and other industries, a vacuum pump accessory is used as a vacuum pump silencer and is used for noise control of the vacuum pump, the Roots oil-free vacuum pump gradually enters the market for a plurality of times along with the development of the Roots vacuum pump, as the vacuum pump pumps more air, the air contains a large amount of impurities, if the impurities cannot be filtered, the quality of the air is influenced, and the filter screen cannot be cleaned, it is comparatively loaded down with trivial details when clearing up the impurity after filtering, consequently for solving above problem, we provide a multistage roots formula oil-free vacuum pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned existence and can't clear up the filter screen, clear up comparatively loaded down with trivial details problem to the impurity after filtering.

The utility model discloses a realize like this, a multistage roots formula oil-free vacuum pump, which comprises a pump body, the fixed intercommunication of the left surface of the pump body has the intake pipe, the fixed intercommunication of the right surface of the pump body has the outlet duct, the rose box has been placed in the left side of the pump body, the case mouth has been seted up to the upper surface of rose box, the case lid has been placed to the top of rose box, and the bottom surface of case lid contacts with the upper surface of rose box, the bottom surface fixedly connected with regulating box of case lid, the one end that the case lid was kept away from to the regulating box runs through the case mouth and extends to the inside of rose box, the one end that the pump body was kept.

The smooth mouth has been seted up to the bottom surface of regulating box, symmetrical grip block, every have been placed to the below of regulating box the top of grip block all runs through smooth mouth and extends to the inside of regulating box, two powerful springs of the equal fixedly connected with in a side that the grip block kept away from each other, every the one end that the grip block was kept away from to powerful spring all with the inside wall fixed connection of regulating box, the filter screen has been placed to the inside of rose box, two a side that the grip block is close to each other contacts with the surface on filter screen top respectively, the symmetrical baffle of interior roof fixedly connected with of rose box, the bottom of filter screen is located between two baffles.

The fixed intercommunication of left surface of rose box has the blast pipe, the fixed intercommunication of one end that the rose box was kept away from to the blast pipe has the air inlet cover, the clearance mouth has all been seted up to the left and right sides face of rose box, the jam has all been placed to the left and right sides of rose box, two the one end that the jam is close to each other all extends to the inside of clearance mouth.

The bottom surface fixedly connected with base of the pump body, two supporting legs of left side fixedly connected with of base upper surface, every the supporting leg is kept away from the one end of base and is all with the bottom surface fixed connection of rose box.

Two pull rods are placed in the filter box, and one ends, close to each other, of the two pull rods are fixedly connected with one side face, far away from each other, of the two clamping plates respectively.

The inner bottom wall of the filter box is fixedly connected with two inclined guide plates, and one side face, close to each other, of each guide plate is fixedly connected with one side face, far away from each other, of each baffle plate.

Symmetrical jacks are formed in the upper surface of the filter box, symmetrical insertion rods are fixedly connected to the bottom surface of the box cover, and one end, far away from the box cover, of each insertion rod extends to the inside of the jack.

Symmetrical dragging handles are placed above the box cover, and the bottom end of each dragging handle is fixedly connected with the upper surface of the box cover.

Compared with the prior art, the beneficial effects of the utility model are that: the power provided by the pump body is matched with the air inlet cover, the exhaust pipe and the air inlet pipe, so that air can be pumped into the pump body, the air pumped into the pump body can be discharged by the air outlet pipe, the filter screen is arranged, the function of blocking impurities is achieved, the problem that the impurities cannot be blocked and discharged outwards to influence the air quality is avoided, the box cover and the filter box can be separated by pulling the handle, the filter screen can be taken out of the filter box from the inside of the filter box by separating the box cover from the filter box, the two pull rods are arranged, so that a worker can enable the two clamping plates to be mutually far away through the two pull rods, the filter screen can be disassembled by mutually far away the clamping plates, the problem that the filter screen cannot be cleaned is solved, the impurities in the filter box can be outwards discharged by blocking the taking-out from the cleaning port, the problem that impurities are complex in cleaning is avoided.

Drawings

FIG. 1 is a front view of the filtering box of the present invention;

FIG. 2 is a cross-sectional view of the filtering box of the present invention;

fig. 3 is a cross-sectional view of the adjusting box of the present invention.

In the figure: 1. a base; 2. supporting legs; 3. an air outlet pipe; 4. a pump body; 5. an air inlet pipe; 6. pulling the handle; 7. a filter box; 8. an exhaust pipe; 9. an air intake hood; 10. blocking; 11. inserting a rod; 12. an adjusting box; 13. filtering with a screen; 14. a box cover; 15. a clamping plate; 16. a jack; 17. a box opening; 18. cleaning the opening; 19. a baffle; 20. a baffle plate; 21. a pull rod; 22. a sliding port; 23. a strong spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a multistage roots type oil-free vacuum pump comprises a pump body 4, an air inlet pipe 5 is fixedly communicated with the left side surface of the pump body 4, an air outlet pipe 3 is fixedly communicated with the right side surface of the pump body 4, a filter box 7 is placed on the left side of the pump body 4, a box opening 17 is formed in the upper surface of the filter box 7, a box cover 14 is placed above the filter box 7, the bottom surface of the box cover 14 is in contact with the upper surface of the filter box 7, an adjusting box 12 is fixedly connected to the bottom surface of the box cover 14, one end, far away from the box cover 14, of the adjusting box 12 penetrates through the box opening 17 and extends into the filter box 7, and one end, far away.

Smooth mouthful 22 has been seted up to the bottom surface of regulating box 12, symmetrical grip block 15 has been placed to the below of regulating box 12, smooth mouthful 22 and the inside that extends to regulating box 12 are all run through on the top of every grip block 15, two strong spring 23 of the equal fixedly connected with in a side that two grip block 15 kept away from each other, the one end that grip block 15 was kept away from to every strong spring 23 all with the inside wall fixed connection of regulating box 12, filter screen 13 has been placed to the inside of rose box 7, the side that two grip block 15 are close to each other contacts with the surface on filter screen 13 top respectively, the symmetrical baffle 20 of interior roof fixedly connected with of rose box 7, the bottom of filter screen 13 is located between two baffles 20.

The fixed intercommunication of the left surface of rose box 7 has blast pipe 8, and the fixed intercommunication of the one end that rose box 7 was kept away from to blast pipe 8 has air inlet cover 9, and clearance mouth 18 has all been seted up to the left and right sides face of rose box 7, and the jam 10 has all been placed to the left and right sides of rose box 7, and two one ends that jam 10 are close to each other all extend to the inside of clearance mouth 18.

In the utility model, the bottom surface of the pump body 4 is fixedly connected with a base 1, the left side of the upper surface of the base 1 is fixedly connected with two supporting legs 2, one end of each supporting leg 2 far from the base 1 is fixedly connected with the bottom surface of the filter box 7, the base 1 is arranged to be matched with the supporting leg 2, the supporting function is played, the stability of the filter box 7 is increased, the phenomenon that the filter box 7 falls off is avoided, two pull rods 21 are arranged in the filter box 7, the mutually close ends of the two pull rods 21 are respectively and fixedly connected with the mutually far side surfaces of the two clamping plates 15, the arrangement of the pull rods 21 is convenient for a worker to better adjust the two clamping plates 15, the inner bottom wall of the filter box 7 is fixedly connected with two guide plates 19 which are in an inclined shape, and the mutually close side surfaces of the two guide plates 19 are respectively and fixedly, through being provided with guide plate 19, played the effect of refluence, can make the inside impurity of rose box 7 better outwards discharge.

Symmetrical jack 16 has been seted up to the upper surface of rose box 7, the symmetrical inserted bar 11 of bottom surface fixedly connected with of case lid 14, every inserted bar 11 is kept away from the inside that the one end of case lid 14 all extends to jack 16, cooperation through inserted bar 11 and jack 16, the stability of case lid 14 and rose box 7 has been increased, the phenomenon that drops has appeared in case lid 14 and rose box 7 has been avoided, symmetrical dragging 6 has been placed to the top of case lid 14, every is dragged the bottom of 6 all with the last fixed surface of case lid 14 and is connected, drag 6 through being provided with, be convenient for better messenger's case lid 14 and the separation of rose box 7 of staff, make things convenient for better clearance filter screen 13 of staff.

The utility model discloses a theory of operation is: the pump body 4 is communicated with a power supply, air can be pumped into the pump body 4 through the air inlet cover 9, the air outlet pipe 8 and the air inlet pipe 5 by the power provided by the pump body 4, the air pumped in by the pump body 4 can be discharged through the air outlet pipe 3, the filter screen 13 can block impurities, when the filter screen 13 needs to be cleaned, can make case lid 14 and rose box 7 separate through dragging handle 6, can outwards take out filter screen 13 from the inside of rose box 7 when case lid 14 separates with rose box 7, stimulate two pull rods 21 and make two clamp plates 15 keep away from each other, clamp plate 15 can dismantle filter screen 13 when keeping away from each other, can clear up filter screen 13 after the dismantlement, in the time of clearance impurity, will block up 10 and take out from clearance mouth 18 is inside, can outwards discharge the inside impurity of rose box 7, the problem that impurity is comparatively loaded down with trivial details in the clearance has been avoided.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a multistage roots formula does not have oily vacuum pump, includes the pump body (4), its characterized in that: an air inlet pipe (5) is fixedly communicated with the left side face of the pump body (4), an air outlet pipe (3) is fixedly communicated with the right side face of the pump body (4), a filter box (7) is placed on the left side of the pump body (4), a box opening (17) is formed in the upper surface of the filter box (7), a box cover (14) is placed above the filter box (7), the bottom surface of the box cover (14) is in contact with the upper surface of the filter box (7), an adjusting box (12) is fixedly connected to the bottom surface of the box cover (14), one end, far away from the box cover (14), of the adjusting box (12) penetrates through the box opening (17) and extends into the filter box (7), and one end, far away from the pump body (4), of the air inlet pipe (5) is communicated with the filter box;

a sliding opening (22) is formed in the bottom surface of the adjusting box (12), symmetrical clamping plates (15) are placed below the adjusting box (12), the top end of each clamping plate (15) penetrates through the sliding opening (22) and extends into the adjusting box (12), two strong springs (23) are fixedly connected to one side surface, away from each other, of each clamping plate (15), one end, away from each clamping plate (15), of each strong spring (23) is fixedly connected with the inner side wall of the adjusting box (12), a filter screen (13) is arranged in the filter box (7), one side surface of each of the two clamping plates (15) which are close to each other is respectively contacted with the outer surface of the top end of the filter screen (13), the inner top wall of the filter box (7) is fixedly connected with symmetrical baffle plates (20), and the bottom end of the filter screen (13) is positioned between the two baffle plates (20);

the fixed intercommunication of the left surface of rose box (7) has blast pipe (8), the fixed intercommunication of one end that rose box (7) were kept away from in blast pipe (8) has air inlet cover (9), clearance mouth (18) have all been seted up to the left and right sides face of rose box (7), jam (10), two have all been placed to the left and right sides of rose box (7) the one end that blocks up (10) and be close to each other all extends to the inside of clearance mouth (18).

2. The multi-stage roots-type oil-free vacuum pump as claimed in claim 1, wherein: the bottom surface fixedly connected with base (1) of the pump body (4), two supporting legs (2) of left side fixedly connected with of base (1) upper surface, every the one end that base (1) were kept away from in supporting leg (2) all with the bottom surface fixed connection of rose box (7).

3. The multi-stage roots-type oil-free vacuum pump as claimed in claim 1, wherein: two pull rods (21) are arranged in the filter box (7), and one ends, close to each other, of the two pull rods (21) are fixedly connected with one side face, far away from each other, of the two clamping plates (15) respectively.

4. The multi-stage roots-type oil-free vacuum pump as claimed in claim 1, wherein: the inner bottom wall of the filter box (7) is fixedly connected with two inclined guide plates (19), and one side face, close to each other, of each guide plate (19) is fixedly connected with one side face, far away from each other, of each baffle plate (20).

5. The multi-stage roots-type oil-free vacuum pump as claimed in claim 1, wherein: symmetrical jacks (16) are formed in the upper surface of the filter box (7), symmetrical insertion rods (11) are fixedly connected to the bottom surface of the box cover (14), and one end, far away from the box cover (14), of each insertion rod (11) extends to the inside of the jack (16).

6. The multi-stage roots-type oil-free vacuum pump as claimed in claim 1, wherein: symmetrical dragging handles (6) are placed above the box cover (14), and the bottom end of each dragging handle (6) is fixedly connected with the upper surface of the box cover (14).