TWI404607B - Valve and its gasket - Google Patents

Abstract

A valve is disclosed. The valve includes a tube, a gasket, a disc, and a stem. The gasket is disposed on the tube. The gasket is defined an upper side and a lower side along the axial direction. The gasket includes a sealing portion and a frame. The sealing portion is located on the upper side. The frame includes an axial portion and a radial portion. The axial portion is located under the sealing portion. The radial portion is inserted into the gasket. The disc fits the sealing portion for sealing the tube. The stem is connected to the disc for controlling the disc to open or seal the tube.

Description

Valve and washer

The invention relates to air conditioning, and more particularly to a valve.

The function of the valve is to regulate the flow of the fluid. When it is necessary to completely block the fluid and achieve a closed effect, a gasket is usually used. In use, the sealing disc is placed on the gasket. Since the gasket is made of a resilient material, the sealing disc can compress the gasket to achieve a closed effect. The gasket will be damaged under prolonged compression, so the gasket is considered a consumable. If the service life of the gasket can be increased, the consumption of the gasket can be reduced and the number of times the gasket is replaced can be reduced.

One aspect of the present invention provides a valve in which a bracket is disposed in a gasket, and the bracket is used to resist an external force applied during use to extend the service life of the gasket.

Another aspect of the present invention is to provide a gasket that can extend the service life by using an internal bracket.

According to an embodiment of the invention, a valve includes a tube body, a gasket, a sealing disk and a control rod. The gasket is placed in the tube body. The gasket defines an upper portion and a lower portion in the axial direction and includes a wind blocking portion and a bracket. The choke is located above the gasket. The bracket includes an axial extension and a radial extension. The axial extension is located directly below the choke. The radial extension is inserted into the gasket. The sealing disc is used to close the tubular body by fitting the wind blocking portion of the gasket. The lever is attached to the sealing disc to control the sealing disc to close or open the tube.

According to another embodiment of the present invention, a gasket includes a body, a wind blocking portion, and a bracket. The body is annular and defines an upper portion and a lower portion along the axial direction of the body. The choke portion is located above the body. The bracket includes an axial extension and a radial extension. The axial extension is located directly below the choke. The radial extension is inserted into the body.

1 is a cross-sectional view of a valve 100 according to an embodiment of the present invention. Fig. 1A is a partially enlarged view showing the circle 1A of Fig. 1. As shown, the valve 100 includes a tubular body 110, a gasket 120, a sealing disc 130 and a control rod 140. The gasket 120 is disposed in the tubular body 110. The washer 120 defines an upper portion and a lower portion in the axial direction, and includes a choke portion 121 and a bracket 122. The choke portion 121 is located above the gasket 120. The bracket 122 includes an axial extension 123 and a radial extension 124. The axially extending portion 123 is located directly below the choke portion 121. The radially extending portion 124 is inserted into the gasket 120. The sealing disc 130 is used to close the tubular body 110 by fitting the choke portion 121 of the gasket 120. The control lever 140 is coupled to the sealing disc 130 for controlling the sealing disc 130 to close or open the tubular body 110. The aforementioned axially extending portion 123 extends in the axial direction of the washer 120; the aforementioned radially extending portion 124 extends in the radial direction of the washer 120.

In other words, the washer 120 includes a body 127, a choke portion 121, and a bracket 122. The body 127 is annular and defines an upper portion and a lower portion along the axial direction of the body 127. The choke portion 121 is located above the body 127. The bracket 122 includes an axial extension 123 and a radial extension 124. The axially extending portion 123 is located directly below the choke portion 121. The radially extending portion 124 is inserted into the body 127.

Figure 2 is a cross-sectional view of the valve 100 of Figure 1 in an operational state. When the control lever 140 controls the sealing disc 130 to open the tubular body 110, the sealing disc 130 and the choke portion 121 are disengaged, so that external air can enter the tubular body 110. Referring to Fig. 1, when the control lever 140 controls the sealing disc 130 so that the sealing disc 130 is attached to the choke portion 121, the sealing disc 130 can close the tubular body 110, so that external air cannot enter the tubular body 110. In contrast, the choke portion 121 must also be loaded with the air pressure of the outside air and the force applied by the sealing disc 130.

In general, the aforementioned air pressure and force become the deformation force of the choke portion 121 and are the main cause of the damage of the choke portion 121. Since the axial extending portion 123 of the bracket 122 is located directly below the choke portion 121, the axially extending portion 123 can resist the external force applied by the choke portion 121, and reduce the deformation force generated by the external force on the choke portion 121, and extend the washer 120. The service life.

Referring to Figure 1A, wherein the axial extension 123 of the bracket 122 includes two ends 125, 126. One end 125 is connected to the radial extension 124, and the other end 126 is located directly below the choke portion 121 and inserted into the choke portion 121. As a result, the axial extension portion 123 can provide a large resistance of the choke portion 121 and increase the rigidity against external forces.

3 is a cross-sectional view of the valve 100 of another embodiment of the present invention. Fig. 3A is a partial enlarged view of the circle 3A of Fig. 3. On the other hand, the end 126 of the axially extending portion 123 can also be inserted into the choke portion 121, and instead maintains a distance 150 from the choke portion 121 in the axial direction, and the distance 150 is between 0.3 mm and 1.2 mm. Within the scope. As a result, the axial extension portion 123 provides less resistance, but the air blocking portion 121 itself has greater elasticity and can increase the elastic force against external force. Therefore, it is possible to determine whether the axially extending portion 123 is to be inserted into the choke portion 121 or to maintain a certain distance 150 from the choke portion 121, depending on the use requirement.

Referring to Figure 1A, valve 100 further includes a stiffener 160. The stiffener 160 is disposed within the body 127 of the washer 120, and the stiffener 160 is coupled to the radially extending portion 124 of the bracket 122, the stiffener 160 being angled with the radially extending portion 124. Since the reinforcing frame 160 is obliquely connected to the radially extending portion 124, the reinforcing frame 160 can increase the resistance in the radial direction between the bracket 122 and the body 127, preventing the bracket 122 from being separated from the radial direction of the body 127.

Referring to Figure 1, valve 100 further includes a drive rod 170. One end of the driving rod 170 is used to push against the lever 140 to open the tubular body 110. In detail, the driving rod 170 is axially displaceably disposed on the tubular body 110, and one end of the driving rod 170 abuts against one end of the top control rod 140, and the other end of the control rod 140 is coupled to the sealing disc 130. Referring to FIG. 2, in use, the user controls the drive rod 170 to axially displace and push against the control rod 140, and the control rod 140 interlocks the displacement of the sealing disc 130 to release the sealing disc 130 from the choke portion 121 of the washer 120. The tube body 110 is then opened.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the present invention can be modified and modified without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100. . . valve

110. . . Tube body

120. . . washer

121. . . Wind choke

122. . . support

123. . . Axial extension

124. . . Radial extension

125, 126. . . end

127. . . Ontology

130. . . Sealed disc

140. . . Controller

150. . . distance

160. . . Reinforcement frame

170. . . Drive rod

Fig. 1 is a cross-sectional view showing a valve according to an embodiment of the present invention.

Fig. 1A is a partially enlarged view showing the circle 1A of Fig. 1.

Figure 2 is a cross-sectional view of the valve of Figure 1 in an operational state.

Figure 3 is a cross-sectional view showing a valve according to another embodiment of the present invention.

Fig. 3A is a partial enlarged view of the circle 3A of Fig. 3.

100. . . valve

110. . . Tube body

120. . . washer

130. . . Sealed disc

140. . . Controller

170. . . Drive rod

Claims (8)

A valve comprising: a tube; a gasket disposed on the tube body defining an upper portion and a lower portion along an axial direction of the gasket, the gasket comprising a choke portion and a bracket, the choke portion being located at the gasket Upper, the bracket includes an axial extension portion and a radial extension portion directly below the air blocking portion, the radial extension portion is inserted into the gasket; and a sealing disc for fitting The wind blocking portion of the gasket closes the tubular body; and a control rod is coupled to the sealing disc for controlling the sealing disc to close or open the tubular body. The valve of claim 1, wherein the axial extension of the bracket comprises two ends, one end of which is coupled to the radially extending portion, and the other end is located directly below the choke portion and inserted into the choke portion. The valve of claim 1, wherein the axial extension of the bracket comprises two ends, one end of which is connected to the radial extension, and the other end is located directly below the choke section and the distance in the axial direction is 0.3 mm. To the range of 1.2mm. The valve of claim 1 further comprising a stiffener located within the washer, the stiffener being coupled to the radially extending portion of the bracket, and the stiffener being angled with the radially extending portion. A gasket comprising: a body having an annular shape defining an upper portion and a lower portion along an axial direction of the body; a choke portion located above the body; and a bracket including an axial extension portion and a radial portion An extension portion located directly below the choke portion, the radially extending portion being inserted into the body. The gasket of claim 5, wherein the axial extension of the bracket comprises two ends, one end of which is coupled to the radially extending portion, and the other end is located directly below the choke portion and inserted into the choke portion. The gasket of claim 5, wherein the axial extension of the bracket comprises two ends, one end of which is connected to the radial extension, and the other end is located directly below the choke portion and the distance in the axial direction is 0.3 mm. To the range of 1.2mm. A gasket as claimed in claim 5, further comprising a reinforcing frame located in the body, the reinforcing frame being coupled to the radially extending portion of the bracket, and the reinforcing frame is angled with the radially extending portion.