CN216259719U - Can replace air filter of filter screen layer - Google Patents
Can replace air filter of filter screen layer Download PDFInfo
- Publication number
- CN216259719U CN216259719U CN202122914353.0U CN202122914353U CN216259719U CN 216259719 U CN216259719 U CN 216259719U CN 202122914353 U CN202122914353 U CN 202122914353U CN 216259719 U CN216259719 U CN 216259719U
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- filter screen
- screen layer
- end cover
- air filter
- limiting sleeve
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Abstract
The utility model relates to the technical field of air filter elements, in particular to an air filter element with a replaceable filter screen layer. The technical scheme is as follows: the air filter comprises a filter screen layer, a lower end cover connected to the bottom end of the filter screen layer and an upper end cover connected to the top end of the filter screen layer, wherein an air filter element is installed on external equipment through the lower end cover and the upper end cover, a movable limiting sleeve capable of limiting and sleeving the top end of the filter screen layer is movably sleeved on the outer peripheral surface of the bottom end of the upper end cover, the top end of the filter screen layer is fixedly connected with the movable limiting sleeve through a limiting screw pin, and a sealing ring used for improving the sealing effect is embedded in the bottom edge surface of the upper end cover. According to the filter screen layer replacing device, due to the design that the movable limiting sleeve capable of moving up and down is additionally arranged on the upper end cover, the filter screen layer can be replaced on the premise that the upper end cover is not required to be detached from external equipment, and replacement operation of the filter screen layer is simpler and more convenient; this application can increase the installation stability to filter screen layer through the design of card strip.
Description
Technical Field
The utility model relates to the technical field of air filter elements, in particular to an air filter element with a replaceable filter screen layer.
Background
The air filter element is a filter, also called air filter cartridge, air filter, style, etc. The air filter is mainly used for filtering air in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms. The upper end cover of the existing air filter element needs to be detached when the filter screen layer is replaced, and the upper end cover and the lower end cover of the air filter element are connected with external equipment, so that the end covers are detached from the equipment, and inconvenience in replacement of the filter screen layer is increased due to twice detachment and installation of the end covers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides an air filter element with a replaceable filter screen layer, which is convenient to operate.
The technical scheme of the utility model is as follows: the air filter element with the replaceable filter screen layer comprises the filter screen layer, a lower end cover connected to the bottom end of the filter screen layer and an upper end cover connected to the top end of the filter screen layer, the air filter element is mounted on external equipment through the lower end cover and the upper end cover, a movable limiting sleeve capable of limiting and sleeving the top end of the filter screen layer is movably sleeved on the outer peripheral face of the bottom end of the upper end cover, the top end of the filter screen layer is fixedly connected with the movable limiting sleeve through a limiting screw pin, and a sealing ring used for improving the sealing effect is embedded in the bottom edge face of the upper end cover.
Preferably, a pair of guide shafts is fixedly connected to the top of the movable limiting sleeve, a pair of fixed ear plates is symmetrically and fixedly connected to the outer peripheral surface of the upper end cover, and the top ends of the guide shafts are movably penetrated through the fixed ear plates at the corresponding positions.
Preferably, the top end of the guide shaft is provided with a first thread part, and the upper surface of the fixed lug plate is rotatably connected with a nut which can be screwed with the first thread part.
Preferably, the middle part of the fixed ear plate is provided with a second thread part which can be screwed with the nut.
Preferably, a spring is sleeved on the outer side of the guide shaft between the fixed lug plate and the movable limiting sleeve.
Preferably, the inner ring surface of the top end of the movable limiting sleeve is fixedly connected with a clamping strip through a short shaft, and the short shaft is connected to the middle of the clamping strip.
Compared with the prior art, the utility model has the beneficial effects that:
(1): according to the filter screen layer replacing device, due to the design that the movable limiting sleeve capable of moving up and down is additionally arranged on the upper end cover, the filter screen layer can be replaced on the premise that the upper end cover is not required to be detached from external equipment, and replacement operation of the filter screen layer is simpler and more convenient;
(2): this application can increase the installation stability to filter screen layer through the design of card strip.
Drawings
FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;
fig. 2 is a cross-sectional view of fig. 1.
Reference numerals: 1. a filter screen layer; 2. a lower end cover; 3. an upper end cover; 4. a movable limit sleeve; 5. a limiting screw pin; 6. a seal ring; 7. a guide shaft; 8. a spring; 9. fixing the ear plate; 10. a nut; 11. clamping the strip; 12. a first threaded portion; 13. and a second threaded portion.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-2, the air filter element with a replaceable filter screen layer provided by the present invention comprises a filter screen layer 1, a lower end cap 2 connected to the bottom end of the filter screen layer 1, and an upper end cap 3 connected to the top end of the filter screen layer 1, wherein the air filter element is mounted on an external device through the lower end cap 2 and the upper end cap 3, a movable limiting sleeve 4 capable of limiting and sleeving the top end of the filter screen layer 1 is movably sleeved on the outer peripheral surface of the bottom end of the upper end cap 3, the top end of the filter screen layer 1 is fixedly connected with the movable limiting sleeve 4 through a limiting screw pin 5, and a sealing ring 6 for improving a sealing effect is embedded on the bottom edge surface of the upper end cap 3.
In this embodiment, because air filter passes through lower end cover 2 and upper end cover 3 and installs on external equipment, when changing filter screen layer 1, screw down limit screw 5 earlier, then promote activity stop collar 4 upwards, make the bottom of activity stop collar 4 be higher than the top of filter screen layer 1, then can replace filter screen layer 1, move down the reset with activity stop collar 4 after the replacement, it can to utilize limit screw 5 to carry out the fastening connection to activity stop collar 4 and filter screen layer 1 afterwards.
Example two
As shown in fig. 1-2, the air filter element with a replaceable filter screen layer provided by the present invention comprises a filter screen layer 1, a lower end cap 2 connected to the bottom end of the filter screen layer 1, and an upper end cap 3 connected to the top end of the filter screen layer 1, wherein the air filter element is mounted on an external device through the lower end cap 2 and the upper end cap 3, a movable limiting sleeve 4 capable of limiting and sleeving the top end of the filter screen layer 1 is movably sleeved on the outer peripheral surface of the bottom end of the upper end cap 3, the top end of the filter screen layer 1 is fixedly connected with the movable limiting sleeve 4 through a limiting screw pin 5, and a sealing ring 6 for improving a sealing effect is embedded on the bottom edge surface of the upper end cap 3.
Compared with the first embodiment, the present embodiment further includes: the top of the movable limiting sleeve 4 is fixedly connected with a pair of guide shafts 7, the peripheral surface of the upper end cover 3 is symmetrically and fixedly connected with a pair of fixed ear plates 9, and the top ends of the guide shafts 7 are movably penetrated through the fixed ear plates 9 at the corresponding positions. The top end of the guide shaft 7 is provided with a first thread part 12, and the upper surface of the fixed lug plate 9 is rotatably connected with a nut 10 which can be screwed with the first thread part 12. The middle part of the fixed ear plate 9 is provided with a second thread part 13 which can be screwed with the nut 10. A spring 8 is sleeved outside the guide shaft 7 between the fixed ear plate 9 and the movable stop collar 4.
In this embodiment, since the air filter element is mounted on the external device through the lower end cap 2 and the upper end cap 3, when the filter screen layer 1 is replaced, the limit screw pin 5 is screwed down, and then the movable limit sleeve 4 is pushed upward, so that the bottom of the movable limit sleeve 4 is higher than the top of the filter screen layer 1, the nut 10 is rotated, so that the nut 10 is screwed with the second thread part 13 to keep the movable limit sleeve 4 in an upward moving state and not fall back automatically, at this time, the filter screen layer 1 can be replaced, compared with the first embodiment in which the movable limit sleeve 4 needs to be held to prevent the movable limit sleeve from falling back when the filter screen layer 1 is replaced, in this embodiment, the movable limit sleeve 4 does not need to be held, two hands are released, the filter screen layer 1 can be replaced more easily, and then the filter screen layer 1 can be replaced; after the replacement is finished, the nut 10 is screwed off from the second thread part 13, the spring 8 pushes the movable limiting sleeve 4 to move downwards to reset through downward elastic force, then the nut 10 is rotated, the nut 10 is screwed with the first thread part 12 to reset the movable limiting sleeve 4, and then the limiting screw pin 5 is reused to further fasten and connect the movable limiting sleeve 4 and the filter screen layer 1.
EXAMPLE III
As shown in fig. 1-2, the air filter element with a replaceable filter screen layer provided by the present invention includes a filter screen layer 1, a lower end cap 2 connected to the bottom end of the filter screen layer 1, and an upper end cap 3 connected to the top end of the filter screen layer 1, the air filter element is mounted on an external device through the lower end cap 2 and the upper end cap 3, a movable position-limiting sleeve 4 capable of performing position-limiting sleeve connection to the top end of the filter screen layer 1 is movably sleeved on the outer peripheral surface of the bottom end of the upper end cap 3, the top end of the filter screen layer 1 is fixedly connected to the movable position-limiting sleeve 4 through a position-limiting screw 5, a sealing ring 6 for improving sealing effect is embedded on the bottom edge surface of the upper end cap 3, a pair of guide shafts 7 is fixedly connected to the top of the movable position-limiting sleeve 4, a pair of fixed ear plates 9 is symmetrically and fixedly connected to the outer peripheral surface of the upper end cap 3, and the top end of the guide shafts 7 movably penetrates through the fixed ear plates 9 at corresponding positions. The top end of the guide shaft 7 is provided with a first thread part 12, and the upper surface of the fixed lug plate 9 is rotatably connected with a nut 10 which can be screwed with the first thread part 12. The middle part of the fixed ear plate 9 is provided with a second thread part 13 which can be screwed with the nut 10. A spring 8 is sleeved outside the guide shaft 7 between the fixed ear plate 9 and the movable stop collar 4.
Compared with the second embodiment, the present embodiment further includes: the inner ring surface at the top end of the movable limiting sleeve 4 is fixedly connected with a clamping strip 11 through a short shaft, and the short shaft is connected to the middle part of the clamping strip 11.
In this embodiment, when the movable position-limiting sleeve 4 moves downwards, the short shaft drives the clamping strip 11 to move downwards, so that the filter screen layer 1 is blocked at the inner side, the installation stability of the filter screen layer 1 is further improved, and the short shaft is connected with the middle part of the clamping strip 11, so that the clamping strip 11 can block the open groove for the vertical movement of the short shaft when moving upwards and downwards, and the sealing effect is affected.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (6)
1. The utility model provides a can replace air filter of filter screen layer, includes filter screen layer (1), connects in lower end cover (2) of filter screen layer (1) bottom and connects in upper end cover (3) on filter screen layer (1) top, and air filter passes through lower end cover (2) and upper end cover (3) and installs on external equipment, its characterized in that: the outer peripheral surface of the bottom end of the upper end cover (3) is movably sleeved with a movable limiting sleeve (4) capable of limiting and sleeving the top end of the filter screen layer (1), the top end of the filter screen layer (1) is fixedly connected with the movable limiting sleeve (4) through a limiting screw pin (5), and a sealing ring (6) used for improving the sealing effect is embedded in the bottom edge surface of the upper end cover (3).
2. The air filter element with replaceable filter screen layers is characterized in that a pair of guide shafts (7) is fixedly connected to the top of the movable limiting sleeve (4), a pair of fixed lug plates (9) is symmetrically and fixedly connected to the outer peripheral surface of the upper end cover (3), and the top ends of the guide shafts (7) movably penetrate through the fixed lug plates (9) at corresponding positions.
3. An air filter element with replaceable filter screen layers as claimed in claim 2, characterized in that the top end of the guide shaft (7) is provided with a first threaded part (12), and the upper surface of the fixed lug plate (9) is rotatably connected with a nut (10) which can be screwed with the first threaded part (12).
4. An air filter element with replaceable filter screen layers according to claim 3, characterized in that the middle of the fixing ear plate (9) is provided with a second thread part (13) which can be screwed with the nut (10).
5. An air filter element with replaceable filter screen layers according to claim 2, characterized in that the outside of the guide shaft (7) between the fixed ear plate (9) and the movable stop collar (4) is sleeved with a spring (8).
6. The air filter element with replaceable filter screen layers is characterized in that a clamping strip (11) is fixedly connected to the inner ring surface at the top end of the movable limiting sleeve (4) through a short shaft, and the short shaft is connected to the middle of the clamping strip (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914353.0U CN216259719U (en) | 2021-11-25 | 2021-11-25 | Can replace air filter of filter screen layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122914353.0U CN216259719U (en) | 2021-11-25 | 2021-11-25 | Can replace air filter of filter screen layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216259719U true CN216259719U (en) | 2022-04-12 |
Family
ID=81036763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122914353.0U Active CN216259719U (en) | 2021-11-25 | 2021-11-25 | Can replace air filter of filter screen layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216259719U (en) |
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2021
- 2021-11-25 CN CN202122914353.0U patent/CN216259719U/en active Active
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