TWM622707U - Sealing element for fluid passage - Google Patents

Abstract

The present invention relates to a sealing element for a fluid channel, which mainly has a first space and a second space for fluid circulation, a channel is arranged between the first space and the second space, and a channel is formed on the channel. A sealing element for controlling the flow of fluid to the two spaces is installed, the sealing element includes a buoyancy seat and a sealing gasket embedded on the buoyancy seat; thereby, the channel is closed by the sealing gasket in response to the pressure of the two spaces, so as to Allows air circulation, but can effectively block the application of liquid circulation between the first space and the second space.

Description

Sealing elements for fluid passages

The present invention relates to a sealing element for a fluid channel, especially a tiny sealing structure that allows air circulation between the fluid channels, but can effectively block the fluid circulation.

Press, on the pump, it is common to set a sealing element between the first space and the second space with fluid circulation, so as to use the action of the sealing element to allow air circulation, but it can effectively block the flow of liquid between the first space and the second space. applications between spaces.

The reason is that the creator's previous design and application of the gas-water separator for the traditional water pump is mainly installed on the low-pressure side of the water pump (the pressure in the pump casing is less than or equal to one atmosphere), which cannot be fully applied to the conveying conditions of the water pump and needs to be improved. To solve the problem that the previously created air-water separator cannot be installed on the high-pressure side of the water pump (the pressure in the pump casing is greater than one atmosphere), and also consider the limitation of the selection of the size of the sealing gasket of the sealing element acting between the first space and the second space Next, the design of the combined dovetail groove is used to fix the sealing gasket to solve the difficulty of directly integrally forming the dovetail groove by milling, and then to correct the failed main rod of the previously created air-water separator, through the airflow channel. The rod maintains the application mode of the low-pressure side installation, and has both a floating ball effect. With the floating ball mechanism, it successfully achieves the sealing ability when the high-pressure side is installed. This is the direction and subject that the creators thought about.

The reason is that in view of this, the creator, adhering to the rich experience in design, development and actual production in the related industry for many years, has studied and improved the existing structure and defects, and specially provides a sealing element for the fluid channel, in order to achieve the purpose of better practical value. By.

The main purpose of this creation is to provide a sealing element for fluid passages, especially a tiny sealing structure that can allow air circulation between fluid passages but can effectively block liquid circulation. .

The main purpose and effect of the sealing element of the fluid channel of this creation are achieved by the following specific technical means:

It mainly has a first space and a second space for fluid circulation, a channel is arranged between the first space and the second space, and a sealing element is installed on the channel, and the sealing element contains a buoyancy A seat and a sealing gasket embedded on the buoyancy seat; thereby, the channel is closed by the sealing gasket in response to the pressure of the two spaces, thereby achieving the effect of controlling the fluid in the two spaces to allow air circulation and block liquid circulation.

A preferred embodiment of the sealing element for creating a fluid channel further includes an action rod, the action rod is coupled to the buoyancy seat, and is used to interfere with the fluid introduced into the first space or the second space. device on and off.

A preferred embodiment of the sealing element for creating a fluid channel, wherein a boss is provided in the center of the end face of the buoyancy seat, a first dovetail groove is formed on the outer edge of the boss, and then the end face of the buoyancy seat is locked. A ring piece, the inner edge of the ring piece forms a second dovetail groove corresponding to the first dovetail groove, and the first and second dovetail grooves form dovetail grooves embedded in the sealing gasket.

A preferred embodiment of the sealing element for creating a fluid channel, wherein a concave groove is formed on the end surface of the buoyancy seat, a third dovetail groove is formed on the inner edge of the concave groove, and then locked in the concave groove A coupling seat, a fourth dovetail groove is formed at the outer ring edge of the coupling seat corresponding to the third dovetail groove, and the third and fourth dovetail grooves constitute dovetail grooves in which the sealing gasket is embedded.

In a preferred embodiment of the sealing element for creating a fluid channel, an action rod is further provided in the center of the boss, and the action rod is used to interfere with the first space or the second space for introducing the fluid into the device. open and close.

A preferred embodiment of the sealing element for creating a fluid channel, wherein an inner screw hole is arranged in the center of the recessed groove, and an action rod is arranged in the center of the combination seat, and the action rod corresponds to the inner screw hole There are external threads that can be locked with each other.

In a preferred embodiment of the sealing element for creating a fluid channel, a plurality of grooves for fluid channeling are provided on the periphery of the buoyancy seat.

In order to make the technical content used in this creation, the purpose of creation and the effect achieved in this creation more completely and clearly disclosed, it is explained in detail below, and please refer to the disclosed drawings and drawing numbers together:

First, please refer to the first and second figures, the present invention is a sealing element for a fluid channel, which is mainly provided with a first space (1) for fluid communication, and a second space opposite to the first space (1). (2), a channel (3) is provided between the first space (1) and the second space (2), and the channel (3) connects the first space (1) and the second space (2). space (2), and a mounting portion (4) is provided at the passage (3), the mounting portion (4) communicates with the first space (1) or the second space (2), and is connected to the first space (1) or the second space (2). A sealing element (5) is correspondingly installed inside, and can be actuated and displaced by the sealing element (5) on the mounting portion (4). The sealing element (5) includes:

A buoyancy seat (51) is arranged in the mounting portion (4), and a dovetail groove (52) is provided on the end surface corresponding to the channel (3), and the buoyancy seat (51) corresponds to the dovetail The other end face of the groove (52) is provided with several grooves (50);

A sealing washer (53) is correspondingly embedded in the dovetail groove (52), and can relatively close or conduct the passage (3) with the action of the buoyancy seat (51).

Please refer to the first and second figures, the sealing element of the fluid channel of the present invention is installed in the installation portion (4) between the first space (1) and the second space (2) when in use. , and the mounting part (4) can communicate with the first space (1) or the second space (2), and make the end face of the buoyancy seat (51) inlaid with the sealing gasket (53) corresponding to the A channel (3); please refer to the first and third figures, for the installation part (4) to communicate with the second space (2), the sealing element (5) is in the installation part (4) As an illustration, when the first space (1) is in a positive pressure state, because the internal fluid pressure of the first space (1) is higher than the atmospheric pressure of the second space (2), the first space (1) The air inside follows the number of channels (50) on the bottom surface of the buoyancy seat (51) of the sealing element (5), and follows the buoyancy seat (51) of the sealing element (5) through the channel (3). ) edge to guide the flow to the second space (2), and as the fluid level in the first space (1) rises, push the sealing element (5) to seal the second space (53) to seal the first space (1). The passages (3) of the two spaces (2), as shown in the third figure, block the fluid between the first space (1) and the second space (2), so as to allow only the air to circulate and block the flow. The effect of interrupting fluid flow.

When the fluid pressure of the second space (2) is greater than the fluid pressure of the first space (1), or when the inside of the first space (1) is in a negative pressure state, the buoyancy seat (51) The sealing gasket (53) on the upper part will be separated from the channel (3) of the second space (2), and the natural falling position will be located below the installation part (4); in this way, the sealing element (5) can be It is applied to the air sound warning device of the vacuum breaker of the pump, or the air release mechanism of the pump.

Please refer to the fourth to ninth figures. It is worth mentioning that the sealing element of the present invention has a dovetail groove (52) on the end surface of the buoyancy seat (51) for the assembly of the sealing gasket (53). The design of the dovetail groove (52) can stably insert and locate the sealing gasket (53); and the sealing element (5) used in some occasions is small in size and has a movement mechanism, so a clamping mechanism is necessary to keep the sealing element (5) Under the influence of the interaction between the sealing force and the space limitation of the mechanical structure, the choice of the size of the sealing gasket (53) is quite limited, forcing the turning tool that can mill the dovetail groove to be relatively limited, through the buoyancy force It is not easy to directly mill the dovetail groove on the end face of the seat (51), otherwise it will have to pay extremely expensive processing costs, so the present invention makes it convenient to make the dovetail groove (52) on the end face of the buoyancy seat (51), The series enumerates implementable structures, such as:

1. The first embodiment is that a boss (511) is provided in the center of the end face of the buoyancy seat (51), and a first dovetail groove (521) is formed on the outer edge of the boss (511), and then the buoyancy A ring piece (54) is locked on the end face of the seat (51), and a second dovetail groove (522) is formed at the inner edge of the ring piece (54) corresponding to the first dovetail groove (521). The second dovetail grooves (521) and (522) constitute the dovetail grooves (52) in which the sealing gasket (53) is embedded; further, at least one screw hole (A) is provided around the end face of the ring piece (54). , and the buoyancy seat (51) is also provided with corresponding screw holes (A), and is locked through the screw holes (A) through the screw fittings (B) [as shown in the fourth and fifth figures].

2. In the second embodiment, a concave groove (512) is provided on the end face of the buoyancy seat (51), a third dovetail groove (523) is formed on the inner edge of the concave groove (512), and then a third dovetail groove (523) is formed in the concave groove (512). A coupling seat (55) is locked in the groove (512), and a fourth dovetail groove (524) is formed at the outer edge of the coupling seat (55) corresponding to the third dovetail groove (523). and the fourth dovetail grooves (523) and (524) form the dovetail grooves (52) in which the sealing gasket (53) is embedded. Further, a screw hole (A) is arranged in the center of the end face of the combination seat (55), and a screw hole (A) corresponding to each other is arranged inside the concave groove (512), and the screw hole (B) is inserted through the screw hole (B). The screw hole (A) is locked [as shown in the sixth picture].

3. The third embodiment is that the sealing element (5) further comprises an action rod (56), and the action rod (56) is used to interfere with the first space (1) or the second space (2) The opening and closing of the equipment (for example, the backstop float) for introducing fluid into the middle , an action rod (56) is arranged in the center of the boss (511), and the action rod and the boss (511) are integrally formed or locked together, and the dovetail groove (52) of the third embodiment is the same as the first embodiment. , a first dovetail groove (521) is formed on the outer edge of the boss (511), and then a ring piece (54) is locked on the end face of the buoyancy seat (51), and the inner ring of the ring piece (54) A second dovetail groove (522) is formed at the edge corresponding to the first dovetail groove (521), and the first and second dovetail grooves (521), (522) constitute the sealing gasket (53) The dovetail groove (52) [as shown in Figure 7].

4. The fourth embodiment is the state in which the action rod (56) is applied to the second embodiment, a concave groove (512) is arranged on the end surface of the buoyancy seat (51), and a ring is formed on the inner side of the concave groove (512). A third dovetail groove (523) is formed on the edge, and an inner screw hole (513) is arranged in the center of the recessed groove (512), and a joint seat (55) is arranged in the center of the joint seat (55). An action rod (56), the action rod (56) is integrally formed or locked and combined with the combination seat (55), and a screw hole (513) is provided at the position of the action rod (56) corresponding to the inner screw hole (513). The mutually locking external threads (561) have been able to lock the combination seat (55) and the action rod in the recessed groove (512), and the dovetail groove (52) of the fourth embodiment is the same as the embodiment Second, a fourth dovetail groove (524) is formed at the outer ring edge of the joint seat (55) corresponding to the third dovetail groove (523). The third and fourth dovetail grooves (523), (524) Forming the dovetail groove (52) in which the sealing gasket (53) is embedded [as shown in Figure 8].

In addition, please refer to the ninth figure, in order to make the fluid and air in the first space (1) and the second space (2) have a smooth fluid flow between the inner peripheral wall of the mounting part (4), the special A plurality of grooves (514) for fluid channeling are arranged on the periphery of the buoyancy seat (51).

The foregoing embodiments or drawings do not limit the structure of the present creation, and any appropriate changes or modifications made by those with ordinary knowledge in the technical field should be regarded as not departing from the patent scope of the present creation.

From the above, it can be seen from the description of the composition and use of the authoring system that compared with the existing structure, the authoring system has the following advantages:

1. The sealing element of the fluid channel of this creation is installed between the first and second spaces, and the channel between the first and second spaces is sealed through the buoyancy seat sealing gasket in response to the pressure of the two spaces, thereby achieving control of the fluid in the two spaces. The effect of allowing air circulation and blocking liquid circulation.

2. The design of the combined dovetail groove for the sealing element of the fluid channel in this creation solves the difficulty of directly milling the integrally formed dovetail groove, so that the sealing gasket can be more stably positioned on the buoyancy seat for sealing action.

To sum up, this creative embodiment can indeed achieve the expected use effect, and the specific structure disclosed is not only not seen in similar products, but also not disclosed before the application, which fully complies with the provisions and requirements of the patent law. , to file an application for a new type of patent in accordance with the law, and I urge you to review it and grant the patent.

1: The first space

2: Second space

3: Channel

4: Installation Department

5: Sealing element

50: Channel

51: buoyancy seat

511: Boss

512: Recessed groove

513: Internal screw hole

514: Groove

52: Dovetail slot

521: The first dovetail groove

522: Second Dovetail Slot

523: The third dovetail groove

524: Fourth Dovetail Slot

53: Gasket

54: Ring Piece

55: Combination seat

56: Action rod thread segment

561: External thread

A: screw hole

B: screw fittings

The first picture: Schematic diagram 1 of the sealing element installed in the two spaces.

Figure 2: Schematic 2 of the sealing element installed in the two spaces.

Figure 3: Schematic diagram of the action of the sealing element of this creation.

Figure 4: A schematic diagram of the three-dimensional appearance of the first embodiment of the present invention.

Figure 5: A schematic cross-sectional view of Embodiment 1 of the present invention.

Figure 6: A schematic cross-sectional view of the second embodiment of this creation.

Figure 7: A schematic cross-sectional view of the third embodiment of this creation.

Figure 8: A schematic cross-sectional view of the fourth embodiment of this creation.

Figure 9: The appearance diagram of another embodiment of the buoyancy seat of this creation.

1: The first space

2: Second space

3: Channel

4: Installation Department

5: Sealing element

50: Channel

51: buoyancy seat

52: Dovetail slot

53: Gasket

Claims (10)

A sealing element for a fluid channel, which is mainly provided with a first space with fluid circulation, and a second space opposite to the first space, a channel is arranged between the first space and the second space, and the The passage communicates with the first space and the second space, and a mounting portion is provided at the passage, the mounting portion is communicated with the first space or the second space, and a sealing element is correspondingly mounted inside , and can be used for the movement and displacement of the sealing element on the mounting portion, and the sealing element includes: a buoyancy seat, which is arranged in the mounting portion, and is provided with a dovetail groove on the end surface corresponding to the passage; A sealing gasket is correspondingly embedded in the dovetail groove, and can relatively close the passage or conduct with the action of the buoyancy seat; it is characterized in that: A boss is arranged in the center of the end face of the buoyancy seat, a first dovetail groove is formed on the outer edge of the boss, and a ring piece is locked on the end face of the buoyancy seat, and the inner edge of the ring piece corresponds to the first dovetail groove. A second dovetail groove is formed at a dovetail groove, and the first and second dovetail grooves constitute dovetail grooves in which the sealing gasket is embedded. The sealing element of the fluid channel according to claim 1, wherein a plurality of channels are further provided on the other end surface of the buoyancy seat corresponding to the dovetail groove. The sealing element of the fluid channel according to claim 1, wherein an action rod is further provided in the center of the boss, and the action rod is used to interfere with the activation of the device for introducing the fluid in the first space or the second space. close. The sealing element of the fluid channel according to claim 3, wherein the action rod and the boss are integrally formed or locked together. The sealing element of the fluid channel according to claim 1 or 3, wherein a plurality of grooves for fluid channeling are provided on the periphery of the buoyancy seat. A sealing element for a fluid channel, which is mainly provided with a first space with fluid circulation, and a second space opposite to the first space, a channel is arranged between the first space and the second space, and the The passage communicates with the first space and the second space, and a mounting portion is provided at the passage, the mounting portion is communicated with the first space or the second space, and a sealing element is correspondingly mounted inside , and can be used for the movement and displacement of the sealing element on the mounting portion, and the sealing element includes: a buoyancy seat, which is arranged in the mounting portion, and is provided with a dovetail groove on the end surface corresponding to the passage; A sealing gasket is correspondingly embedded in the dovetail groove, and can relatively close the passage or conduct with the action of the buoyancy seat; it is characterized in that: The end surface of the buoyancy seat is provided with a concave groove, a third dovetail groove is formed on the inner edge of the concave groove, and then a joint seat is locked in the concave groove, and the outer ring edge of the joint seat corresponds to the third dovetail groove. A fourth dovetail groove is formed at the three dovetail grooves, and the third and fourth dovetail grooves constitute dovetail grooves in which the sealing gasket is embedded. The sealing element of the fluid channel according to claim 6, wherein a plurality of grooves are further provided on the other end surface of the buoyancy seat corresponding to the dovetail groove. The sealing element of the fluid channel according to claim 6, wherein a screw hole is further provided in the center of the end face of the combination seat, and the inside of the recessed groove is provided with screw holes corresponding to each other, and the screws are threaded through the screw fittings. hole and lock. The sealing element of the fluid channel according to claim 6, wherein an inner screw hole is arranged in the center of the recessed groove, and an action rod is arranged in the center of the combination seat, and the action rod corresponds to the inner screw hole It has external threads that can be locked with each other. The sealing element of the fluid channel according to claim 6 or 9, wherein a plurality of grooves for fluid channeling are provided on the periphery of the buoyancy seat.

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