Improved dry pump

Abstract

The utility model provides an improved dry pump, which relates to the technical field of dry pumps and comprises a base, a dry pump body is arranged at the top of the base, an air outlet pipe is arranged at one end of the dry pump body, and one end of the air outlet pipe is connected with a quick mounting and dismounting mechanism. An air inlet is formed in the top of the dry pump body, one end of the air inlet is connected with a filtering and collecting mechanism, a fixing frame is arranged at the bottom of the filtering and collecting mechanism, and the fixing frame is fixedly installed at the top of the base. The quick mounting and dismounting mechanism is arranged to replace a traditional flange bolt connecting structure, so that the gas outlet pipe is more convenient to connect with an external pipeline, meanwhile, the external pipeline is clamped and limited, the pipeline is prevented from shaking when the amount of conveyed gas is too large, and the quick mounting and dismounting mechanism is more convenient to mount and dismount due to the multi-layer sealing design of the quick mounting and dismounting mechanism. The sealing performance is effectively improved, so that gas leakage is prevented, the mounting and dismounting difficulty is reduced, the labor cost is saved, and the actual use requirement can be met.

Description

Technical Field

[0001] This utility model relates to the field of dry pump technology, and in particular to an improved dry pump. Background Technology

[0002] Dry vacuum pumps, also known as oil-free dry mechanical vacuum pumps or simply dry pumps, are mainly divided into two types: dry screw vacuum pumps and scroll dry pumps. When a dry pump is working, the volume of the pump chamber changes periodically, from large to small and from small to large. This pumping action is achieved by opening and closing the gas passage.

[0003] When using existing dry pumps, the outlet of the dry pump is usually connected to the external pipeline through a flange and a sealing gasket. This ensures the stability of the connection between the dry pump and the pipeline, while also providing a good sealing effect and effectively preventing gas leakage.

[0004] However, the existing flange connection structure is cumbersome to install and disassemble. When the pipeline is damaged and leaks air or needs to be repaired, the amount of disassembly and replacement work is large, manual operation is time-consuming and labor-intensive, which can easily affect work efficiency and make it difficult to meet actual use needs. Summary of the Invention

[0005] This invention solves the problems mentioned in the background art by replacing flange connections with sealed plug-in snap-fit ​​connections through the setting of a quick installation and disassembly mechanism, thereby reducing the difficulty of installation and disassembly, saving labor and time costs, and improving overall work efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an improved dry pump, including a base, a dry pump body is provided on the top of the base, an air outlet pipe is provided at one end of the dry pump body, and a quick installation and removal mechanism is connected to one end of the air outlet pipe.

[0007] The top of the dry pump body is provided with an air inlet, one end of which is connected to a filter collection mechanism. The bottom of the filter collection mechanism is provided with a fixing frame, which is fixedly installed on the top of the base.

[0008] A shock-absorbing mechanism is provided on the outside of the dry pump body;

[0009] The quick mounting and dismounting mechanism comprises a connecting cylinder, one end of the connecting cylinder is fixedly connected with the air outlet pipe, the outer wall of the connecting cylinder is symmetrically provided with two sealing bins, the interiors of the two sealing bins are each provided with a group of movable rods, the outer sides of each group of movable rods are each sleeved with two first springs, one end of each group of movable rods is fixedly connected with a clamping plate, the other end of each group of movable rods is movably penetrated through a corresponding sealing bin and connected with a limiting plate, one side of the limiting plate is provided with a pull ring, the inner wall of the connecting cylinder is symmetrically provided with two clamping strips, an external connecting pipe is inserted into the inner side of the connecting cylinder, the outer side of the external connecting pipe is provided with two sealing clamping rings, the two clamping strips are clamped in the interiors of the two sealing clamping rings, and the outer side of the external connecting pipe is provided with a sealing end cover which is sleeved at one end of the connecting cylinder.

[0010] Preferably, the filtering and collecting mechanism comprises a filtering box, one side of the filtering box is provided with a connecting port, the interior of the filtering box is provided with a partition plate, the interior of the filtering box is inserted with a filtering screen, the filtering screen is arranged above the partition plate, the interior of the filtering box is inserted with a collecting box, the collecting box is arranged below the partition plate, and the other side of the filtering box is provided with a connecting pipe, one end of the connecting pipe is connected with the air inlet.

[0011] Preferably, the damping mechanism comprises a support, the support is arranged on the outer side of the dry pump body, a limiting frame is fixedly installed on the top of the support, and a plurality of dampers are arranged on the bottom of the support.

[0012] Preferably, the bottoms of the plurality of dampers are fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly installed on the top of the base.

[0013] Preferably, the outer side of the dry pump body is symmetrically provided with two supports, the bottoms of the two supports are fixedly installed with mounting frames, and the mounting frames are fixedly installed on the top of the base.

[0014] Preferably, the top of the base is provided with fastening bolts at four corners, and the outer sides of the fastening bolts are each sleeved with a gasket.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that,

[0016] 1、In the utility model, the quick mounting and dismounting mechanism is arranged, the traditional flange bolt connecting structure is replaced, the air outlet pipe is more convenient to connect with the external pipeline, the external pipeline is clamped and limited, the pipeline is prevented from shaking when the gas conveying amount is too large, the sealing performance is effectively improved through the multilayer sealing design of the quick mounting and dismounting mechanism, the gas leakage is prevented, the mounting and dismounting difficulty is reduced, the labor cost is saved, and the actual use requirement can be met.

[0017] 2. The utility model discloses a filter collection mechanism can filter the gas inhaled into the dry pump body, separate the impurities in the gas, and collect the separated impurities, which facilitates subsequent centralized processing, prevents the impurities from entering the dry pump, prolongs the service life of the dry pump, and reduces the difficulty of manual cleaning and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic diagram of an improved dry pump is provided for the utility model.

[0019] Figure 2 A side view three-dimensional drawing of an improved dry pump is provided for the utility model.

[0020] Figure 3 A partial structure three-dimensional drawing of an improved dry pump is provided for the utility model.

[0021] Figure 4 An enlarged three-dimensional drawing of a quick mounting and dismounting mechanism of an improved dry pump is provided for the utility model.

[0022] Figure 5 An enlarged three-dimensional drawing of a filter collection mechanism of an improved dry pump is provided for the utility model.

[0023] Figure 6 An enlarged three-dimensional drawing of a damping mechanism of an improved dry pump is provided for the utility model.

[0024] Legend: 1, base; 2, dry pump body; 3, gas outlet pipe; 4, quick mounting and dismounting mechanism; 401, connecting barrel; 402, sealing bin; 403, movable rod; 404, first spring; 405, clamping plate; 406, limiting plate; 407, pull ring; 408, clamping strip; 409, external connecting pipe; 410, sealing clamping ring; 411, sealing end cover; 5, gas inlet; 6, filter collection mechanism; 601, filter box; 602, connecting port; 603, partition plate; 604, filter screen; 605, collection box; 606, connecting pipe; 7, damping mechanism; 701, support; 702, limiting frame; 703, damper; 704, second spring; 8, support; 9, mounting frame; 10, U-shaped frame; 11, fixing frame; 12, fastening bolt; 13, gasket. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other ways not described herein, and the present application is not limited to the specific embodiments described in the following description.

[0027] Please refer to Figures 1-6 The utility model provides a technical scheme: an improved dry pump, including base 1, the top of base 1 is provided with dry pump body 2, one end of dry pump body 2 is provided with outlet pipe 3, one end of outlet pipe 3 is connected with quick detachable mechanism 4;

[0028] The top of dry pump body 2 is provided with air inlet 5, one end of air inlet 5 is connected with filter collection mechanism 6, the bottom of filter collection mechanism 6 is provided with fixing frame 11, and fixing frame 11 is fixedly installed on the top of base 1.

[0029] The outer side of dry pump body 2 is provided with damping mechanism 7.

[0030] Quick detachable mechanism 4 includes connecting barrel 401, one end of connecting barrel 401 is fixedly connected with outlet pipe 3, the outer surface wall of connecting barrel 401 is provided with two sealing bins 402, the inside of two sealing bins 402 is provided with a group of movable rods 403, the outer side of each group of movable rods 403 is sleeved with two first springs 404, one end of each group of movable rods 403 is fixedly connected with clamping plate 405, the other end of each group of movable rods 403 is movably penetrated in corresponding one sealing bin 402 and is connected with limiting plate 406, one side of limiting plate 406 is provided with pull ring 407, the inner wall of connecting barrel 401 is provided with two clamping strips 408, the inner side of connecting barrel 401 is inserted with external pipe 409, the outer side of external pipe 409 is provided with two sealing clamping rings 410, two clamping strips 408 are clamped in the inside of two sealing clamping rings 410, the outer side of external pipe 409 is provided with sealing end cover 411, sealing end cover 411 is sleeved in one end of connecting barrel 401, the traditional flange bolt connection structure is replaced through quick detachable mechanism 4, when external pipeline is inserted in quick detachable mechanism 4, the connection with dry pump body 2 can be quickly completed, at the same time, the external pipeline is clamped and limited, to prevent it from shaking due to the gas volume being too large, so as to realize the improvement of sealing effect and stability, reduce the installation and dismounting difficulty, save the labor and time cost, and effectively improve the work efficiency.

[0031] As Figure 1 , Figure 2 and Figure 5As shown in the drawings, the filter collection mechanism 6 comprises a filter box 601, one side of the filter box 601 is provided with a connecting port 602, the inside of the filter box 601 is provided with a partition plate 603, the filter box 601 is provided with a filter screen 604, the filter screen 604 is arranged above the partition plate 603, the inside of the filter box 601 is provided with a collection box 605, the collection box 605 is arranged below the partition plate 603, the other side of the filter box 601 is provided with a connecting pipe 606, one end of the connecting pipe 606 is connected with the air inlet 5, the gas sucked into the dry pump body 2 is quickly and effectively filtered through the filter collection mechanism 6, the impurities are separated from the gas, and the impurities are collected, which facilitates subsequent cleaning, reduces the difficulty of manual cleaning, and prolongs the service life of the dry pump.

[0032] As shown in the drawings, Figure 1 , Figure 2 and Figure 6 , the damping mechanism 7 comprises a support 701, the support 701 is arranged on the outside of the dry pump body 2, the top of the support 701 is fixedly installed with a limiting frame 702, the bottom of the support 701 is provided with a plurality of dampers 703, the outside of each damper 703 is sleeved with a second spring 704, the vibration generated during the operation of the dry pump body 2 can be absorbed and reduced through the arrangement of the damping mechanism 7, thereby improving the stability of the dry pump body 2, preventing damage due to shaking, further prolonging the service life of the dry pump, and reducing the noise generated when the dry pump shakes slightly.

[0033] As shown in the drawings, Figure 1 and Figure 2 , the bottom of the plurality of dampers 703 is fixedly connected with a U-shaped frame 10, the U-shaped frame 10 is fixedly installed on the top of the base 1, the damping mechanism 7 can be fixed on the base 1 through the U-shaped frame 10, ensuring the normal operation of the dry pump, and preventing the quick assembly and disassembly mechanism 4 from being affected by vibration.

[0034] As shown in the drawings, Figure 1 , Figure 2 and Figure 3 , the outside of the dry pump body 2 is symmetrically provided with two brackets 8, the bottom of the two brackets 8 is fixedly installed with a mounting frame 9, the mounting frame 9 is fixedly installed on the top of the base 1, the dry pump body 2 can be fixedly installed on the base 1 through the cooperation of the bracket 8 and the mounting frame 9, so as to improve the stability during operation.

[0035] As shown in the drawings, Figure 1 and Figure 2 , the top of the base 1 is provided with a fastening bolt 12 at each corner, the outside of each fastening bolt 12 is sleeved with a gasket 13, the base 1 can be installed and fixed through the fastening bolt 12, and the friction force is increased by cooperating with the gasket 13 to prevent the fastening bolt 12 from loosening due to vibration.

[0036] The working principle of the embodiment is as follows: in use, first, the base 1 is fixed by screwing the fastening bolt 12, then the two pull rings 407 are pulled to make the clamping plates 405 and the movable rods 403 corresponding to the pull rings 407 slide into the sealing bin 402, and the first springs 404 are compressed and contracted, then the external connecting pipe 409 is inserted into the connecting barrel 401, the two sealing clamping rings 410 are limited by the clamping strip 408, and the sealing end cover 411 is arranged at one end of the connecting barrel 401, at this time, the pull rings 407 are loosened, the first springs 404 rebound quickly, the clamping plates 405 are pushed to clamp and limit the external connecting pipe 409, and the clamping plates 405 are clamped between the two sealing clamping rings 410, so that the external connecting pipe 409 is prevented from moving, then the dry pump body 2 is started, gas is sucked into the filter box 601 from the connecting port 602, impurities in the gas are filtered by the filter screen 604, the filtered impurities fall into the collecting box 605 to be collected when the suction force of the dry pump body 2 is reduced or the dry pump body 2 is stopped, the filtered gas enters the dry pump body 2 from the gas inlet 5 through the connecting pipe 606, and is delivered out from the gas outlet pipe 3, finally, when the dry pump body 2 operates, the damper 703 and the second spring 704 absorb the vibration of the shock-absorbing body, so that the stability of the dry pump body 2 is ensured, and the use of the improved dry pump is completed.

[0037] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still falls within the protection scope of the present application.

Claims

1. An improved dry pump, characterized by: Including base (1), the top of base (1) is provided with dry pump body (2), one end of dry pump body (2) is provided with air outlet pipe (3), one end of air outlet pipe (3) is connected with quick detachable mechanism (4); The top of the dry pump body (2) is provided with an air inlet (5), one end of the air inlet (5) is connected with a filter collection mechanism (6), the bottom of the filter collection mechanism (6) is provided with a fixing frame (11), the fixing frame (11) is fixedly installed on the top of the base (1); The outer side of the dry pump body (2) is provided with a damping mechanism (7); The quick detachable mechanism (4) includes a connecting barrel (401), one end of the connecting barrel (401) is fixedly connected with the air outlet pipe (3), the outer wall of the connecting barrel (401) is symmetrically provided with two sealing bins (402), the inside of the two sealing bins (402) is provided with a group of movable rods (403), the outer side of each group of movable rods (403) is sleeved with two first springs (404), one end of each group of movable rods (403) is fixedly connected with a clamping plate (405), the other end of each group of movable rods (403) is movably penetrated in a corresponding one of the sealing bins (402) and connected with a limiting plate (406), one side of the limiting plate (406) is provided with a pull ring (407), the inner wall of the connecting barrel (401) is symmetrically provided with two clamping strips (408), the inner side of the connecting barrel (401) is inserted with an external connecting pipe (409), the outer side of the external connecting pipe (409) is provided with two sealing clamping rings (410), the two clamping strips (408) are clamped in the inside of the two sealing clamping rings (410), the outer side of the external connecting pipe (409) is provided with a sealing end cover (411), the sealing end cover (411) is sleeved on one end of the connecting barrel (401).

2. The improved dry pump according to claim 1, characterized in that: The filter collection mechanism (6) includes a filter box (601), one side of the filter box (601) is provided with a connecting port (602), the inside of the filter box (601) is provided with a partition plate (603), the inside of the filter box (601) is inserted with a filter screen (604), the filter screen (604) is arranged above the partition plate (603), the inside of the filter box (601) is inserted with a collection box (605), the collection box (605) is arranged below the partition plate (603), the other side of the filter box (601) is provided with a connecting pipe (606), one end of the connecting pipe (606) is connected with the air inlet (5).

3. The improved dry pump according to claim 1, wherein: The damping mechanism (7) includes a support seat (701), the support seat (701) is arranged on the outer side of the dry pump body (2), the top of the support seat (701) is fixedly installed with a limiting frame (702), the bottom of the support seat (701) is provided with a plurality of dampers (703), the outer side of each damper (703) is sleeved with a second spring (704).

4. The improved dry pump according to claim 3, wherein: The bottoms of the plurality of dampers (703) are fixedly connected with a U-shaped frame (10), the U-shaped frame (10) is fixedly installed on the top of the base (1).

5. The improved dry pump according to claim 1, wherein: The outer side of the dry pump body (2) is symmetrically provided with two supports (8), and the bottom of the two supports (8) is fixedly provided with a mounting rack (9), and the mounting rack (9) is fixedly installed on the top of the base (1).

6. The improved dry pump according to claim 1, wherein: The top of the base (1) is provided with a fastening bolt (12) at each corner, and the outer side of each fastening bolt (12) is sleeved with a gasket (13).

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