CN209875467U - Dry screw vacuum pump with double anti-corrosion coatings - Google Patents
Dry screw vacuum pump with double anti-corrosion coatings Download PDFInfo
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- CN209875467U CN209875467U CN201920497092.7U CN201920497092U CN209875467U CN 209875467 U CN209875467 U CN 209875467U CN 201920497092 U CN201920497092 U CN 201920497092U CN 209875467 U CN209875467 U CN 209875467U
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Abstract
The utility model discloses a two anticorrosive coating dry-type screw vacuum pumps, it belongs to dry-type screw vacuum pump technical field. Including dry-type screw vacuum pump body, the surface of the inside initiative screw rod of dry-type screw vacuum pump body, driven screw rod and inner wall all scribbles two-layer anticorrosive coating, dry-type screw vacuum pump body includes the admission line, the top fixedly connected with intake pipe connecting seat of admission line, the upper surface of intake pipe connecting seat passes through bolt fixedly connected with air filter, air filter is including connecting the base, it passes through bolt and intake pipe connecting seat fixed connection to connect the base, the last fixed surface who connects the base is connected with the filter tube. The utility model discloses an above-mentioned isotructure's cooperation has realized that the gas that will get into dry-type screw vacuum pump filters, prevents that it from getting into dry-type screw vacuum pump body, influences the normal operating and the life of dry-type screw vacuum pump body and the effect of convenient renew cartridge.
Description
Technical Field
The utility model relates to a dry-type screw vacuum pump technical field specifically is two anticorrosive coating dry-type screw vacuum pumps.
Background
The dry screw vacuum pump is a scientific and technological product with very high technical content, is mainly applied to a high-purity vacuum process, has extremely high vacuum degree, can adapt to severe working conditions, has the capability of extracting coagulability and particulate matter-containing gas, is particularly suitable for clean environment, is easy to carry out antiseptic treatment, and is particularly suitable for the fields of electronics, chemical engineering, biological medicine, metal processing, food processing and the like. When traditional dry screw vacuum pump operates under adverse circumstances, although the filter screen is generally installed additional to the entry, this filter screen filter fineness is not high, therefore partial granule and viscous liquid can get into the vacuum pump inner chamber. The damage of the screw coating and the scaling of materials on the screw are easily caused to influence the normal operation and the service life of the pump body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two anticorrosive coating dry screw vacuum pumps, possess and filter the gas that gets into dry screw vacuum pump, prevent that it from getting into dry screw vacuum pump body, influence the normal operating and the life of dry screw vacuum pump body and the convenient advantage of renew cartridge, solve traditional dry screw vacuum pump body gas and directly get into the vacuum pump inner chamber, cause the problem that the screw coating damages and the material scale deposit influences the normal operating and the life of the pump body on the screw rod easily.
In order to achieve the above object, the utility model provides a following technical scheme: two anticorrosive coating dry-type screw vacuum pumps, including dry-type screw vacuum pump body, the surface of the inside initiative screw rod of dry-type screw vacuum pump body, driven screw rod and inner wall all scribbles two-layer anticorrosive coating, dry-type screw vacuum pump body includes the admission line, the top fixedly connected with intake pipe connecting seat of admission line, the upper surface of intake pipe connecting seat passes through bolt fixedly connected with air filter.
The air filtering device comprises a connecting base, the connecting base is fixedly connected with an air inlet pipe connecting seat through a bolt, the upper surface of the connecting base is fixedly connected with a filtering pipe, the side surface of the filtering pipe is fixedly connected with a filtering air inlet pipe, the pipe wall of the filtering pipe, which is close to the top of the filtering pipe, is provided with a thread, the top of the filtering pipe is connected with a sealing cover through a thread, the upper surface of the sealing cover is fixedly connected with a rotating knob, the bottom of the filtering pipe is fixedly provided with a first filter element seat, the inner wall of the filtering pipe is slidably connected with a second filter element seat, and filter element mounting grooves, two filter elements are formed in opposite surfaces of the first filter element seat and the second filter element seat.
Preferably, two first sealing rings are sleeved between the filter pipe and the sealing cover.
Preferably, the contact surfaces of the filter element and the walls of the two filter element mounting grooves are respectively provided with two second sealing rings in a sleeved mode.
Preferably, a sealing sleeve is fixedly connected to the wall of the filter pipe, and the cross sections of the upper surface of the sealing sleeve and the lower surface of the sealing cover are of mutually meshed trapezoidal structures.
Preferably, the upper surface of the second filter element seat is fixedly connected with a lifting handle.
Preferably, a sealing rubber gasket is arranged between the connecting base and the air inlet pipe connecting base.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a set up air filter, connect the base, the filter tube, filter the intake pipe, sealed lid, rotate the knob, first filter element seat, second filter element seat, the filter element mounting groove, the filter element, first sealing washer, the second sealing washer, seal sleeve, carry handle and sealing rubber packing ring, make dry-type screw vacuum pump body when pumping the body, the gas that gets into in the body passes through the filter element in the air filter earlier, make the filter element filter dust granule, vapor and viscidity liquid that contain in the gas, prevent it to get into dry-type screw vacuum pump body, influence the normal operation and the life of dry-type screw vacuum pump body, when needing to change the filter element of inside, the operator takes off the sealed lid through rotating the knob of rotating the upper surface of sealed lid, use and carry and pull the handle and take out second filter element seat from the filter tube, thereby realize convenient dismantlement and installation sealed lid, the effect of replacing the filter element.
Drawings
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a partial front sectional view of the present invention.
In the figure: the air filter comprises a dry screw vacuum pump body 1, an air inlet pipeline 2, an air inlet pipe connecting seat 3, an air filtering device 4, a connecting base 5, a filtering pipe 6, a filtering air inlet pipe 7, a sealing cover 8, a rotating knob 9, a first filter element seat 10, a second filter element seat 11, a filter element mounting groove 12, a filter element 13, a first sealing ring 14, a second sealing ring 15, a sealing sleeve 16, a lifting handle 17 and a sealing rubber gasket 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: two anticorrosive coating dry screw vacuum pump, including dry screw vacuum pump body 1, the inside initiative screw rod of dry screw vacuum pump body 1, the surface of driven screw rod and inner wall all scribbles two-layer anticorrosive coating, dry screw vacuum pump body 1 includes admission line 2, admission line 2's top fixedly connected with intake pipe connecting seat 3, the upper surface of intake pipe connecting seat 3 passes through bolt fixedly connected with air filter 4, through the initiative screw rod in dry screw vacuum pump body 1 is inside, the surface of driven screw rod and inner wall all scribbles there are two-layer anticorrosive coating, make the device can work under the environment that has corrosive gas, and prevent to have liquid such as steam to lead to the fact the corruption to the pump body in the gas that gets into by admission line 2, the service life of the device is increased.
The air filtering device 4 comprises a connecting base 5, the connecting base 5 is fixedly connected with an air inlet pipe connecting seat 3 through a bolt, a sealing rubber gasket 18 is arranged between the connecting base 5 and the air inlet pipe connecting seat 3, the upper surface of the connecting base 5 is fixedly connected with a filtering pipe 6, the side surface of the filtering pipe 6 is fixedly connected with a filtering air inlet pipe 7, the pipe wall of the filtering pipe 6 close to the top of the filtering pipe 6 is provided with threads, the top of the filtering pipe 6 is connected with a sealing cover 8 through threads, two first sealing rings 14 are sleeved between the filtering pipe 6 and the sealing cover 8, a sealing sleeve 16 is fixedly connected on the pipe wall of the filtering pipe 6, the cross sections of the upper surface of the sealing sleeve 16 and the lower surface of the sealing cover 8 are in a mutually meshed trapezoidal structure, the sealing performance between the filtering pipe 6 and the sealing cover plate 8 is improved by using the trapezoidal, the gas leaks to affect the ultimate vacuum effect, the upper surface of the sealing cover 8 is fixedly connected with a rotating knob 9, the bottom of the filter tube 6 is fixedly provided with a first filter element seat 10, the inner wall of the filter tube 6 is connected with a second filter element seat 11 in a sliding way, the upper surface of the second filter element seat 11 is fixedly connected with a lifting handle 17, the opposite surfaces of the first filter element seat 10 and the second filter element seat 11 are respectively provided with a filter element mounting groove 12, the two filter element mounting grooves 12 are internally provided with a filter element 13, the contact surfaces of the filter element 13 and the walls of the two filter element mounting grooves 12 are respectively sleeved with two second sealing rings 15, by arranging the air filtering device 4, when the dry-type screw vacuum pump body 1 is used for pumping gas, the gas entering the body firstly passes through the filter element 13 in the air filtering device 4, the filter element 13 filters dust particles, water vapor, viscous liquid and the like contained in the gas, and prevents the gas, influence normal operating and life of dry-type screw vacuum pump body 1, when needs are changed the filter core 13 of inside, the operator will seal 8 through rotating the rotation knob 9 of 8 upper surfaces of sealed lid, will seal 8 taking off, uses to carry handle 17 and takes out second filter core seat 11 from filter tube 6 in to realize conveniently dismantling and installing sealed lid 8, change filter core 13's effect.
The working principle is as follows: when this two anticorrosive coating dry-type screw vacuum pump uses, through setting up air filter 4, make dry-type screw vacuum pump body 1 when pumping the body, get into this internal gas earlier through filter core 13 in air filter 4, realize carrying out filterable effect with dust particle that contains in the gas, vapor and viscidity liquid etc., prevent that it from getting into dry-type screw vacuum pump body 1, influence the effect of normal operating and life of dry-type screw vacuum pump body 1, when needs are changed to inside filter core 13, the operator is through rotating the rotation knob 9 of sealed lid 8 upper surface, take off sealed lid 8, use to carry and pull handle 17 to take out second filter core seat 11 from filter tube 6 in, thereby realize convenient dismantlement and sealed lid 8 of installation, the effect of changing filter core 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two anticorrosive coating dry-type screw vacuum pumps, includes dry-type screw vacuum pump body (1), the surface of the inside initiative screw rod of dry-type screw vacuum pump body (1), driven screw and inner wall all scribbles two-layer anticorrosive coating, dry-type screw vacuum pump body (1) includes admission line (2), the top fixedly connected with intake pipe connecting seat (3) of admission line (2), its characterized in that: the upper surface of the air inlet pipe connecting seat (3) is fixedly connected with an air filtering device (4) through bolts;
the air filtering device (4) comprises a connecting base (5), the connecting base (5) is fixedly connected with an air inlet pipe connecting seat (3) through a bolt, the upper surface of the connecting base (5) is fixedly connected with a filtering pipe (6), the side surface of the filtering pipe (6) is fixedly connected with a filtering air inlet pipe (7), the pipe wall of the filtering pipe (6) close to the top of the filtering pipe is provided with a thread, the top of the filtering pipe (6) is connected with a sealing cover (8) through a thread, the upper surface of the sealing cover (8) is fixedly connected with a rotating knob (9), the bottom of the filtering pipe (6) is fixedly provided with a first filter element seat (10), the inner wall of the filtering pipe (6) is slidably connected with a second filter element seat (11), and the opposite surfaces of the first filter element seat (10) and the second filter element seat (11) are both provided with a filter element mounting groove (, and filter elements (13) are arranged in the two filter element mounting grooves (12).
2. The dual corrosion-resistant coated dry screw vacuum pump of claim 1, wherein: two first sealing rings (14) are sleeved between the filter pipe (6) and the sealing cover (8).
3. The dual corrosion-resistant coated dry screw vacuum pump of claim 1, wherein: and the contact surfaces of the filter element (13) and the wall of the two filter element mounting grooves (12) are respectively provided with two second sealing rings (15).
4. The dual corrosion-resistant coated dry screw vacuum pump of claim 1, wherein: the pipe wall of the filter pipe (6) is fixedly connected with a sealing sleeve (16), and the cross sections of the upper surface of the sealing sleeve (16) and the lower surface of the sealing cover (8) are of a trapezoidal structure which is meshed with each other.
5. The dual corrosion-resistant coated dry screw vacuum pump of claim 1, wherein: the upper surface of the second filter element seat (11) is fixedly connected with a lifting handle (17).
6. The dual corrosion-resistant coated dry screw vacuum pump of claim 1, wherein: and a sealing rubber gasket (18) is arranged between the connecting base (5) and the air inlet pipe connecting seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497092.7U CN209875467U (en) | 2019-04-13 | 2019-04-13 | Dry screw vacuum pump with double anti-corrosion coatings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497092.7U CN209875467U (en) | 2019-04-13 | 2019-04-13 | Dry screw vacuum pump with double anti-corrosion coatings |
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| Publication Number | Publication Date |
|---|---|
| CN209875467U true CN209875467U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920497092.7U Active CN209875467U (en) | 2019-04-13 | 2019-04-13 | Dry screw vacuum pump with double anti-corrosion coatings |
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| CN (1) | CN209875467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813377A (en) * | 2020-12-30 | 2021-05-18 | 熔创金属表面科技(常州)有限公司 | Anti-corrosion antifriction coating of dry type screw vacuum pump and preparation method thereof |
| CN115559903A (en) * | 2022-10-15 | 2023-01-03 | 浙江博亚精密机械有限公司 | Efficient screw-type dry vacuum pump |
-
2019
- 2019-04-13 CN CN201920497092.7U patent/CN209875467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813377A (en) * | 2020-12-30 | 2021-05-18 | 熔创金属表面科技(常州)有限公司 | Anti-corrosion antifriction coating of dry type screw vacuum pump and preparation method thereof |
| CN115559903A (en) * | 2022-10-15 | 2023-01-03 | 浙江博亚精密机械有限公司 | Efficient screw-type dry vacuum pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double anticorrosive coating dry screw vacuum pump Effective date of registration: 20210929 Granted publication date: 20191231 Pledgee: Industrial and Commercial Bank of China Limited Weihai GaoKai sub branch Pledgor: Weipengsheng (Shandong) Machinery Co.,Ltd. Registration number: Y2021980010186 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |