CN216867594U - Dynamic sealing mechanism - Google Patents
Dynamic sealing mechanism Download PDFInfo
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- CN216867594U CN216867594U CN202220410445.7U CN202220410445U CN216867594U CN 216867594 U CN216867594 U CN 216867594U CN 202220410445 U CN202220410445 U CN 202220410445U CN 216867594 U CN216867594 U CN 216867594U
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Abstract
The utility model discloses a dynamic sealing mechanism, which belongs to the technical field of mechanical sealing and comprises a water pipe and a shell connected with the water pipe, wherein the shell is provided with a bottom cover, and the shell is internally provided with a mounting hole for mounting the water pipe and a valve core for sealing the water pipe; a boss is arranged on one side of the bottom cover, and a clamping groove for mounting a water pipe and a limiting groove for mounting the boss are formed in the side wall of the mounting hole; the outer surface of the lower part of the water pipe is provided with a positioning block matched with the clamping groove; the inner surface of the lower part of the water pipe is provided with a groove, and a sealing ring and an O-shaped ring are arranged in the groove. The utility model can realize the tight sealing between the water pipe and the valve core, the water pipe is assembled by adopting a clamping manner, the installation is convenient, the installation efficiency is high, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of mechanical sealing, in particular to a dynamic sealing mechanism for valve parts of a thermal management system.
Background
The dynamic sealing mechanism of the valve part of the thermal management system mainly has the functions of sealing the valve core and the dynamic sealing ring, opening or closing a channel by rotating the valve core with an opening and controlling the flow of a system medium. The dynamic seal assembly mainly comprises a dynamic seal element and a pressure providing element, wherein the dynamic seal element mainly comprises a dynamic seal ring and a valve core, and the pressure providing element mainly comprises a spring and the like. At present, the dynamic sealing ring is generally made of PTFE, and the spring is generally a wave spring. In the existing structure, the sealing effect is greatly influenced by different mounting positions of the dynamic sealing assembly, and the medium pressure can enhance the sealing pressure and strengthen the sealing when the dynamic sealing assembly is mounted at an inlet; at the outlet, the media pressure counteracts a portion of the seal pressure, weakening the seal. The water pipe is generally installed in a bolt tightening or laser welding mode, and the cost is high.
The patent with publication number CN213900207U discloses a water outlet pipe interface sealing device, which comprises a pipe body, a sealing mechanism and an installation mechanism, wherein the bottom of the pipe body is fixedly connected with a connecting pipe, and the connecting pipe is sleeved with a supporting block; the sealing mechanism comprises a first sealing ring, a connecting rod and a second sealing ring, the connecting rod is sleeved in an inner cavity of the tube body, the top of the connecting rod is fixedly connected with a loop bar, the top of the loop bar is provided with a movable rod and the first sealing ring, the top of the first sealing ring is provided with a fixed rod and the second sealing ring, and the second sealing ring is sleeved in the loop ring; the installation mechanism comprises a connecting rod, a rectangular plate and a limiting block, wherein the rectangular plate is penetrated through the top of the connecting rod, the rectangular plate is sleeved on the pipe body, an external rod is fixedly connected to the top of the rectangular plate, the top end of the external rod is fixedly connected to the bottom of the sleeve ring, and the limiting block penetrates through the limiting groove and is connected with the limiting groove in a clamping mode. The limiting block can limit the lantern ring, so that the whole device is convenient to mount; the dynamic seal and the static seal are combined to ensure the sealing effect, but the structure is complex and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a dynamic sealing mechanism.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a dynamic sealing mechanism comprises a water pipe and a shell connected with the water pipe, wherein a bottom cover is arranged on the shell, and a mounting hole for mounting the water pipe and a valve core for sealing the water pipe are arranged in the shell;
a boss is arranged on one side of the bottom cover, and a clamping groove for mounting a water pipe and a limiting groove for mounting the boss are formed in the side wall of the mounting hole;
the outer surface of the lower part of the water pipe is provided with a positioning block matched with the clamping groove; the inner surface of the lower part of the water pipe is provided with a groove, and a sealing ring and an O-shaped ring are arranged in the groove.
Furthermore, a reinforcing rib is arranged on one side, located on the positioning block, of the water pipe.
Furthermore, the boss penetrates through the limiting groove and extends into the mounting hole.
Furthermore, the cross section of the positioning block is trapezoidal.
Furthermore, the groove is internally provided with the O-shaped ring and the sealing ring from inside to outside in sequence, and the sealing ring is in contact with the valve core.
The beneficial effects of the utility model are: the utility model comprises a water pipe and a shell for installing the water pipe, wherein an installation hole and a valve core are arranged in the shell; the water pipe is put into the mounting hole of the shell, after rotation, the positioning block is screwed into the clamping groove of the shell, the bottom cover is covered, and the boss on the bottom cover is clamped into the limiting groove of the shell to prevent the water pipe from being reversely screwed and separated. The cross-section of the positioning block is trapezoidal, so that the positioning block is convenient to mount. The internal surface of water pipe lower part is equipped with the recess, is equipped with sealing ring and O type circle in the recess, and the O type circle provides outside thrust, also can effectively prevent the water pipe backspin. The O-shaped ring provides elastic force required by sealing for the dynamic seal; static sealing between the sealing ring and the water pipe is realized; the sealing ring is matched with the valve core to realize sealing.
The utility model does not distinguish the installation position, and the medium pressure can enhance the sealing, namely the higher the pressure is, the better the sealing performance is: the O-shaped ring and the sealing ring keep a gap with the shell, no matter the inlet or the outlet is installed, medium pressure can be transmitted to the O-shaped ring through the gap, and the sealing performance between the sealing ring and the valve core is further improved after the O-shaped ring deforms.
The utility model can realize the tight sealing between the water pipe and the valve core, the water pipe is assembled by adopting a clamping manner, the installation is convenient, the installation efficiency is high, and the cost is low.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a dynamic sealing mechanism of the present invention.
Fig. 2 is a partial cross-sectional view of the dynamic seal mechanism of the present invention.
FIG. 3 is a partial schematic view of the water hose and housing connection of the present invention.
Figure 4 is a schematic view of the structure of the O-ring and seal ring of the present invention.
The meaning of the respective reference numerals is as follows:
1: water pipe, 2: o-ring, 3: seal ring, 4: valve core, 5: boss, 6: bottom cover, 7: a housing, 8: reinforcing rib, 9: a limiting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.
Examples
Referring to fig. 1-4, the embodiment provides a dynamic sealing mechanism, which includes a water pipe 1 and a housing 7 connected to the water pipe 1, wherein a bottom cover 6 is disposed on the housing 7, and a mounting hole for mounting the water pipe 1 and a valve core for sealing the water pipe 1 are disposed inside the housing 7;
a boss 5 is arranged on one side of the bottom cover 6, and a clamping groove for mounting the water pipe 1 and a limiting groove 9 for mounting the boss 5 are formed in the side wall of the mounting hole;
a positioning block matched with the clamping groove is arranged on the outer surface of the lower part of the water pipe 1; the internal surface of the lower part 1 of the water pipe is provided with a groove, and a sealing ring 3 and an O-shaped ring 2 are arranged in the groove.
Lie in on the water pipe 1 one side of locating piece is equipped with strengthening rib 8, and behind the mounting hole was installed to water pipe 1, strengthening rib 8 was located the position of spacing groove 9, and boss 5 passed spacing groove 9 stretches into inside the mounting hole, with strengthening rib 8 and lower part contact, prevent that the water pipe back spin from deviating from. The strengthening rib 8 strengthens the mechanical strength of water pipe 1, is convenient for fix a position simultaneously, easy to assemble.
The cross-section of the positioning block is trapezoidal, so that the positioning block is convenient to mount.
The groove is internally provided with the O-shaped ring 2 and the sealing ring 3 in sequence from inside to outside, the sealing ring 3 is in contact with the valve core, and the sealing ring 3 is a movable sealing ring.
In the embodiment, the shell adopts the electronic four-way valve, and can be used in other valves,
This application does not distinguish the mounted position, and medium pressure can strengthen sealedly, and also pressure is higher, and the leakproofness is better: the O-shaped ring 2 and the sealing ring 3 keep a gap with the shell 7, no matter the inlet installation or the outlet installation, medium pressure can be transmitted to the O-shaped ring 2 through the gap, and the sealing performance between the sealing ring 3 and the valve core 4 is further improved after the O-shaped ring 2 deforms. No matter which side has pressure, the pressure can be transmitted to the O-shaped ring 2, the pressure of the O-shaped ring 2 to the valve core 4 is improved, and the sealing performance is further improved.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (5)
1. The utility model provides a dynamic seal mechanism, includes the water pipe, with the casing that the water pipe is connected which characterized in that: the shell is provided with a bottom cover, and the shell is internally provided with a mounting hole for mounting the water pipe and a valve core for sealing the water pipe;
a boss is arranged on one side of the bottom cover, and a clamping groove for mounting a water pipe and a limiting groove for mounting the boss are formed in the side wall of the mounting hole;
the outer surface of the lower part of the water pipe is provided with a positioning block matched with the clamping groove; the inner surface of the lower part of the water pipe is provided with a groove, and a sealing ring and an O-shaped ring are arranged in the groove.
2. A dynamic seal mechanism as claimed in claim 1, wherein: and reinforcing ribs are arranged on one side of the positioning block on the water pipe.
3. A dynamic seal mechanism as claimed in claim 2, wherein: the boss penetrates through the limiting groove and extends into the mounting hole.
4. A dynamic seal mechanism as claimed in claim 3, wherein: the cross section of the positioning block is trapezoidal.
5. A dynamic seal mechanism according to claim 4, wherein: the groove is internally provided with the O-shaped ring and the sealing ring in sequence from inside to outside, and the sealing ring is in contact with the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220410445.7U CN216867594U (en) | 2022-02-28 | 2022-02-28 | Dynamic sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220410445.7U CN216867594U (en) | 2022-02-28 | 2022-02-28 | Dynamic sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867594U true CN216867594U (en) | 2022-07-01 |
Family
ID=82162088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220410445.7U Active CN216867594U (en) | 2022-02-28 | 2022-02-28 | Dynamic sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216867594U (en) |
-
2022
- 2022-02-28 CN CN202220410445.7U patent/CN216867594U/en active Active
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