CN216812453U - Water drain nut of filter - Google Patents
Water drain nut of filter Download PDFInfo
- Publication number
- CN216812453U CN216812453U CN202220641457.0U CN202220641457U CN216812453U CN 216812453 U CN216812453 U CN 216812453U CN 202220641457 U CN202220641457 U CN 202220641457U CN 216812453 U CN216812453 U CN 216812453U
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- nut
- filter
- cavity
- upper portion
- sealing ring
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Abstract
The utility model discloses a filter drain nut which comprises an outer hexagonal head, wherein a stud is installed in the center of the upper portion of the outer hexagonal head, an encryption sleeve is installed on the upper portion of the outer hexagonal head, which is located on the outer side of the stud, a first sealing ring is arranged on the upper portion of the outer hexagonal head, which is located on the outer side of the encryption sleeve, a second sealing ring is arranged on the upper portion of the encryption sleeve, a compression-resistant structure is arranged on the top of the stud, the compression-resistant structure comprises a cavity, a spring, a limiting disc and a ball body, the cavity is formed in the stud and is close to the top end, and the spring is placed in the cavity. According to the filter drain nut, the tightness of connection between the nut and a filter is effectively improved, the placing groove can fix the first sealing ring and the second sealing ring, the first sealing ring and the second sealing ring are prevented from falling off, the excellent buffering and compression-resisting effects can be achieved, the phenomenon that the nut is loosened due to pressure is reduced, and the connection stability of the nut is improved.
Description
Technical Field
The utility model relates to the field of filters, in particular to a filter drain nut.
Background
The filter is an automobile accessory for filtering liquid media, the waterproof nut is a bolt which is arranged outside the filter and used for blocking water, and water can be prevented by detaching the bolt during maintenance;
firstly, the existing filter drain nut has poor sealing performance, and is completely sealed by the thread formed between the nut and the filter when being connected with the filter, so that the sealing effect is poor, and the leakage is easy to generate; secondly, current filter nut resistance to compression effect of draining is poor, and when using, medium pressure can lead to the phenomenon that the nut appears becoming flexible, poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a filter drain nut, which can effectively solve the problems in the background technology that: the existing filter drain nut has poor sealing performance, and when the existing filter drain nut is connected with a filter, the existing filter drain nut completely depends on threads formed between the nut and the filter for sealing, so that the sealing effect is poor, and the problem of leakage is easily caused; secondly, current filter nut resistance to compression effect of draining is poor, and when using, medium pressure can lead to the nut phenomenon that becomes flexible to appear, poor stability's technical problem.
In order to realize the purpose, the utility model adopts the technical scheme that:
the utility model provides a filter nut that drains, includes outer hexagonal head, the double-screw bolt is installed to outer hexagonal head's upper portion central point, the outer side that outer hexagonal head's upper portion is located the double-screw bolt is installed and is encrypted the cover, outer hexagonal head's upper portion is located the outside of encrypting the cover and is equipped with first sealing washer, the upper portion of encrypting the cover is provided with the second sealing washer, the top of double-screw bolt is equipped with compressive structures.
As a further scheme of the utility model, the compression-resistant structure comprises a cavity, a spring, a limiting disc and a ball body, the cavity is formed in the stud and is close to the top end, the spring is placed in the cavity, the limiting disc is connected to the inside of the cavity in a sliding mode and is located at the top end of the spring, and the ball body is installed on the upper portion of the limiting disc.
As a further scheme of the utility model, the top end position of the inner wall of the cavity is in limit connection with the limit disc.
As a further aspect of the utility model, the depth of the cavity is one-fourth of the length of the stud.
As a further scheme of the utility model, the top end of the stud is of a conical structure, and placing grooves are respectively formed between the first sealing ring and the second sealing ring and between the outer hexagonal head and the encryption sleeve.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the encryption sleeve and the first sealing ring are matched with the second sealing ring, when the filter is used, the encryption sleeve carries the second sealing ring to be pressed into the notch of the filter shell, after connection, the first sealing ring and the second sealing ring are extruded and deformed, the tightness of the connection between the nut and the filter is effectively improved, and the placing groove can play a role in fixing the first sealing ring and the second sealing ring, so that the first sealing ring and the second sealing ring are prevented from falling off;
through setting up compression-resistant structure, in the use, the medium is rocking, the in-process that flows, and the pressure of production passes through the spheroid and transmits spacing dish, and spacing dish extrusion spring shrink can play excellent buffering compression-resistant efficiency, reduces the nut and leads to the phenomenon that the pine takes off to appear because of pressure, improves nut connection stability.
Drawings
FIG. 1 is a schematic view of an overall structure of a filter drain nut according to the present invention;
FIG. 2 is a front view of a filter drain nut of the present invention;
FIG. 3 is a schematic diagram of a filter drain nut according to the present invention after a stud bolt is connected to a filter housing;
FIG. 4 is a cross-sectional view of a filter drain nut of the present invention.
In the figure: 1. an outer hexagonal head; 2. a stud; 3. an encryption sleeve; 4. a first seal ring; 5. a second seal ring; 6. a compression resistant structure; 7. a cavity; 8. a spring; 9. a limiting disc; 10. a sphere.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-4, the water drain nut for the filter comprises an outer hexagonal head 1, a stud 2 is installed at the center of the upper portion of the outer hexagonal head 1, an encryption sleeve 3 is installed on the outer side, located at the stud 2, of the upper portion of the outer hexagonal head 1, a first sealing ring 4 is arranged on the outer side, located at the encryption sleeve 3, of the upper portion of the outer hexagonal head 1, a second sealing ring 5 is arranged on the upper portion of the encryption sleeve 3, and a compression-resistant structure 6 is arranged at the top of the stud 2.
In this embodiment, the pressure-resistant structure 6 includes a cavity 7, a spring 8, a limiting disc 9 and a ball 10, the cavity 7 is opened inside the stud 2 near the top end, the spring 8 is placed inside the cavity 7, the limiting disc 9 is slidably connected inside the cavity 7 at the top end of the spring 8, and the ball 10 is installed on the upper portion of the limiting disc 9.
In the use, the medium is rocking, the in-process that flows, and the pressure of production transmits spacing dish 9 through spheroid 10, and spacing dish 9 extrusion spring 8 shrink can play excellent buffering resistance to compression efficiency, reduces the nut and leads to the phenomenon that the pine takes off to appear because of pressure, improves nut connection stability.
In this embodiment, the top end of the inner wall of the cavity 7 is connected with the limiting disc 9 in a limiting manner.
The limiting disc 9 limits the top end of the cavity 7, and the ball 10 is kept in a fixed position when not under pressure.
In this embodiment, the depth of the cavity 7 is one-fourth of the length of the stud 2.
In this embodiment, the top of double-screw bolt 2 is the toper structure, first sealing washer 4 and second sealing washer 5 respectively with outer hexagon head 1 and encrypt and all be equipped with the standing groove between the cover 3.
When using, encrypt cover 3 and carry second sealing washer 5 and impress in the notch of filter shell, after connecting, first sealing washer 4 and second sealing washer 5 are by extrusion deformation, effectively improve the compactness that nut and filter are connected, and the standing groove can play the effect fixed to first sealing washer 4 and second sealing washer 5, avoids droing.
The utility model is to be noted that, when the water drain nut for the filter is used, the stud 2 is plugged into the filter shell and rotates through the outer hexagon head 1, the stud 2 is in threaded connection with the filter shell, the encryption sleeve 3 carries the second sealing ring 5 to be pressed into a notch of the filter shell, after connection, the first sealing ring 4 and the second sealing ring 5 are extruded and deformed, when a medium shakes and flows, the generated pressure is transmitted to the limiting disc 9 through the ball 10, and the limiting disc 9 extrudes the spring 8 to shrink, so that the compression resistance is increased for the stud 2.
According to the utility model, the encryption sleeve 3 and the first sealing ring 4 are matched with the second sealing ring 5, when the filter is used, the encryption sleeve 3 carries the second sealing ring 5 to be pressed into the notch of the filter shell, after connection, the first sealing ring 4 and the second sealing ring 5 are extruded and deformed, the tightness of the connection between the nut and the filter is effectively improved, and the placing groove can play a role in fixing the first sealing ring 4 and the second sealing ring 5, so that falling off is avoided; through setting up compression-resistant structure 6, in the use, the medium is rocking, the in-process that flows, and the pressure of production transmits spacing dish 9 through spheroid 10, and 9 extrusion springs of spacing dish shrink can play excellent buffering compression-resistant efficiency, reduce the nut and lead to the phenomenon that the pine takes off to appear because of pressure, improve nut connection stability.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a filter nut that drains which characterized in that: including outer hexagonal head (1), the upper portion central point of outer hexagonal head (1) puts and installs double-screw bolt (2), the outside that the upper portion of outer hexagonal head (1) is located double-screw bolt (2) is installed and is densified cover (3), the outside that the upper portion of outer hexagonal head (1) is located and is densified cover (3) is equipped with first sealing washer (4), the upper portion of densified cover (3) is provided with second sealing washer (5), the top of double-screw bolt (2) is equipped with compressive structures (6).
2. A filter drain nut as claimed in claim 1, wherein: resistance to compression structure (6) are including cavity (7), spring (8), spacing dish (9) and spheroid (10), cavity (7) are seted up and are close to the top position in the inside of double-screw bolt (2), spring (8) are placed in the inside of cavity (7), spacing dish (9) sliding connection is located the top of spring (8) in the inside of cavity (7), the upper portion at spacing dish (9) is installed in spheroid (10).
3. A filter drain nut as claimed in claim 2, wherein: the top end of the inner wall of the cavity (7) is in limit connection with the limit disc (9).
4. A filter drain nut as claimed in claim 2, wherein: the depth of the cavity (7) is one fourth of the length of the stud (2).
5. A filter drain nut as claimed in claim 1, wherein: the top of double-screw bolt (2) is the toper structure, first sealing washer (4) and second sealing washer (5) respectively with outer hexagon head (1) and densifying and all be equipped with the standing groove between cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220641457.0U CN216812453U (en) | 2022-03-23 | 2022-03-23 | Water drain nut of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220641457.0U CN216812453U (en) | 2022-03-23 | 2022-03-23 | Water drain nut of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812453U true CN216812453U (en) | 2022-06-24 |
Family
ID=82047138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220641457.0U Active CN216812453U (en) | 2022-03-23 | 2022-03-23 | Water drain nut of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812453U (en) |
-
2022
- 2022-03-23 CN CN202220641457.0U patent/CN216812453U/en active Active
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