TW202146801A - Sealed joint connector - Google Patents

Abstract

This invention is about a kind of a sealed joint connector. There are the the first connecting tube, a movable gasket and the second connecting tube setup sequentially between the male nut and the female nut. Thereby, the depth of the female nut’s containing slot and the length of the male nut’s stud is specified by the distance from the neck of the first connecting tube to the first flange, the distance from the neck of the second connecting tube to the second flange and the thickness of the gasket. This is then to restrict the wrench’s turning angle on the female nut.

Description

sealing joint

The present invention relates to a joint, especially a vacuum-connected radial sealing joint used in the semiconductor optoelectronic industry.

Press, Vacuum Coupling Radius Seal (VCR) is a joint commonly used in the semiconductor optoelectronics industry to conduct chemical gases or liquids. Please refer to Figure 1 for details. The joint (1) mainly includes A first connecting pipe piece (11), a second connecting pipe piece (12), a washer (13), a male nut (14) and a female nut (15). Wherein, the two ends of the first connecting pipe (11) and the second connecting pipe (12) respectively form piping ends (111), (121) and sealing ends (112), (123) with flanges (113), (123). 122), and the washer (13) includes a movable gasket (131), and is formed on the male nut (14) and the female nut (15) respectively for the first connecting pipe (11) and the second connecting pipe (12) to pass through. Set the perforations (141), (151).

When assembling, please refer to Figure 1 and cooperate with Figure 2, which is to pass the first connecting pipe (11) and the second connecting pipe (12) through the male nut (14) and the female nut ( 15) through the through holes (141), (151), and make the flange (113) of the first connecting pipe (11) and the flange (123) of the second connecting pipe (12) opposite, and the gasket (13) Fit into the flange (113) of the first connecting pipe (11), and then manually screw the male nut (14) to the female nut (15), so that the movable gasket (131) is pressed against the first connecting pipe Between the flange (113) of (11) and the flange (123) of the second connecting pipe (12), when the male nut (14) cannot be manually screwed into the female nut (15), use the male nut ( 14) Draw a reference line (L) with one of the corresponding end faces of the female nut (15) as the reference plane, then use a wrench to fix the male nut (14), and use another wrench to turn the female nut (15) to rotate About 1/8~1/6 turn, the distance between the reference line (L) of the male nut (14) and the female nut (15) is 45°~60°, and then use the flange of the first connecting pipe (11) (113) and the flange (123) of the second connecting pipe (12) press against the movable gasket (131) relatively to achieve the sealing state of the joint (1) pipeline (as shown in Figure 3).

However, the force applied to the joint (1) by different operators or even the same operator using the wrench is not consistent each time. Therefore, the conventional assembly method can only specify the range of the rotation angle of the wrench to turn the female nut (15), and cannot Each joint (1) is locked in a fixed position, so that the flange (113) of the first connecting pipe (11) and the flange (123) of the second connecting pipe (12) are pressed against the movable gasket (131) ) are not consistent. In practice, it has also been found that the operator with greater force may wear or even deform the movable gasket (131) due to the large rotation angle of the wrench to turn the female nut (15), so that the joint (1) cannot be reassembled after dismantling. Assembled and used, it is obvious that there is a lack of improvement.

In order to improve the above-mentioned deficiencies, the US Patent No. US05058935A discloses a "fluid fitting with a torque restraining device", wherein an annular driving member is arranged between the female nut and the first coupling member, and the annular driving member is A tapered angle is formed, and a groove with a tapered angle is arranged on the male nut, so that when the female nut and the male nut are screwed together, the groove of the male nut is wedged on the annular driving member to restrain the female nut Transmission of rotational force.

In addition, the US Patent No. US06308994B1 discloses a "fluid fitting with a torque restraining device", which forms a groove at the end of the first coupling member or the second coupling member, and installs a ring including a ring in the groove And the torque restraining component of the thrust member, when the female nut and the male nut are screwed together, the torque restraining component is used to limit the transmission of the rotational force of the female nut.

In view of the fact that the assembly method of the conventional joints cannot make each joint locked in a fixed position, the force of the two-connected pipe fittings pressing against the movable gasket is inconsistent, which obviously needs to be improved.

Therefore, the purpose of the present invention is to limit the displacement distance that the male nut can be screwed to the female nut, so that the male nut of each joint can be locked in the fixed position of the female nut, so as to achieve the purpose of joint standardization .

In order to achieve the aforementioned object, the present invention provides a sealed connecting joint, comprising: a first connecting pipe piece, one end of the first connecting pipe piece forms a piping end, the other end forms a sealing end with a neck, and a first connecting pipe is provided on the sealing end surface a flange; a second connecting pipe, one end of the second connecting pipe forms a piping end, the other end forms a sealing end with a neck, and a second flange is provided on the sealing end face; a gasket, the gasket includes a a movable gasket, and the movable gasket is pressed between the first flange and the second flange; a male nut, the male nut forms a nut section and a stud section, and the stud section is provided with a perforation with an open end, the perforation is used for the first connecting pipe to pass through, and the neck of the first connecting pipe is fit to the open end; and a female nut, the female nut forms a cavity with a perforation, the The perforation is used for the second connecting pipe to pass through, and the neck of the second connecting pipe is attached to the bottom of the accommodating groove, and the first connecting pipe, the movable gasket and the second connecting pipe are accommodated between the female nut and the male nut When screwing together, there is a distance (S) between the female nut and the male nut, so that the groove depth of the female nut (H) = the distance from the neck to the first flange of the first connecting pipe (D1 ) + the distance from the neck of the second connecting pipe to the second flange (D2) + the thickness of the movable gasket (D3) + the length of the stud section of the male nut (D4) - the spacing value (S).

Based on the above, the groove depth of the female nut and the thickness of the male nut are regulated by matching the distances from the necks of the first and second coupling pipes to the first flange and the second flange and the thickness of the movable gasket. The length of the stud section further limits the angle that the female nut can be rotated by the wrench, so that the male nut and the female nut of each joint can be locked in the same position, so as to realize the standardization of the joint and avoid the wear and tear of the movable gasket. tightness.

In order to make the technical content for the purpose of the present invention disclosed more completely, it is described in detail in the following content, and please refer to the disclosed drawings and drawing numbers together:

First, please refer to Figures 4 to 6, the sealing joint (2) of the present invention comprises a first connecting pipe (21), a second connecting pipe (22), a washer (23), and a male nut (24) and a female nut (25). One end of the first connecting pipe (21) forms a piping end (211), the other end forms a sealing end (212) with a neck (213), and a first flange (214) is provided on the sealing end surface; the One end of the second connecting pipe (22) forms a piping end (221), the other end forms a sealing end (222) with a neck (223), and a second flange (224) is provided on the sealing end surface; the gasket ( 23) A movable gasket (231) is included, and the movable gasket (231) is abutted against the first flange (214) of the first connecting pipe (21) and the second flange (214) of the second connecting pipe (22). 224); the male nut (24) forms a nut section (241) and a stud section (242), and the stud section (242) is provided with a through hole (243) with an open end (244). , the through hole (243) is used for the first connecting pipe (21) to pass through, and the neck (213) of the first connecting pipe (21) is fitted to the open end (244); the female nut (25) forms a container a groove (251), and the accommodating groove (251) has a through hole (252), the through hole (252) is used for the second connecting pipe (22) to pass through, and the neck (223) of the second connecting pipe (22) is fitted A first coupling pipe (21), a movable gasket (231) and a second coupling pipe (21), a movable gasket (231) and a second coupling pipe ( 22) When screwing together, there is a distance (S) between the female nut (25) and the male nut (24), so that the groove (251) of the female nut (25) groove depth (H) = first The distance (D1) from the neck (213) of the connecting pipe (21) to the first flange (214) + the distance (D2) of the second connecting pipe (22) from the neck (223) to the second flange (224) ) + thickness (D3) of movable washer (231) + length (D4) of stud section (242) of male nut (24) - spacing value (S).

Next, please refer to Figures 5 to 6. During assembly, the first connecting pipe (21) is passed through the through hole (243) of the male nut (24), and the second connecting pipe (22) is passed through the hole (243) of the male nut (24). The through hole (252) of the female nut (25) is arranged, and the first flange (214) of the first connecting pipe (21) and the second flange (224) of the second connecting pipe (22) are arranged opposite to each other, Fit the washer (23) to the first flange (214) of the first connecting pipe (21) or the second flange (224) of the second connecting pipe (22), and then manually install the male nut (24) It is screwed to the female nut (25), so that the movable gasket (231) is abutted between the first flange (214) and the second flange (224). At this time, since the groove depth (H) of the female nut (25) and the length (D4) of the stud section (242) of the male nut (24) are matched with the neck (213) of the first coupling pipe (21) to The distance (D1) of the first flange (214) and the distance (D2) from the neck (223) of the second coupling pipe (22) to the second flange (224) and the thickness (D3) of the movable gasket (23) Adjustment and specification, as shown in Figure 6, is through extending a ring segment (254) from the female nut (25) so that the groove depth (H) of the groove (251) of the female nut (25) can meet the above specifications; Figure 11 shows that the depth (H) of the groove (251) of the female nut (25) can meet the above specification by reducing the length of the stud section (242) of the male nut (24). Extend the length of the female nut (25) so that the groove depth (H) of the groove (251) of the female nut (25) can meet the above specifications. Therefore, when the male nut (24) cannot be manually screwed into the female nut (25), use a wrench to fix the male nut (24), and use another wrench to turn the angle of the female nut (25) that can be rotated It is a limited value, so that the male nut (24) and the female nut (25) of each joint (2) can be locked in the same position.

Next, please refer to FIG. 7, in the first embodiment of the present invention, one end face of the nut section (241) of the male nut (24) is provided with a first mark (245), and the female nut ( 25) One end face is provided with a second mark (255), so that when the joint (2) is assembled, manually screw the male nut (24) into the female nut (25), and then use a wrench to fix the male nut (24) ), and use another wrench to turn the female nut (25), the female nut (25) can be directly turned to the second mark (255) based on the first mark (245) of the male nut (24) Corresponding to the position of the first mark (245), the first flange (214) and the second flange (224) are in a state of pressing and pressing the movable gasket (231) (as shown in Fig. 8). Therefore, it can be quickly determined whether the male nut (24) and the female nut (25) of each joint (2) are locked in the same position.

In addition, in the second embodiment of the present invention, please refer to Figs. 9 to 10, the male nut (24) has a first mark (245) on one end face of the nut segment (241), and One end face of the female nut (25) is provided with a second mark (255), and a third mark (256) is set on the end face adjacent to which the second mark (255) is provided, and the first mark (245) and the The second mark (255) has the same color marking, and the third mark (256) has a different color marking from the first mark (245) and the second mark (255), so that the male nut (24) can be screwed in manually When the female nut (25) is used, the first mark (245) of the male nut (24) can just correspond to the third mark (256) of the female nut (25). At this time, the first flange (214) and the The second flange (224) is in contact with the movable washer (231) (as shown in Figure 11), if the male nut (24) is screwed on the female nut (25) by hand, but the first mark (245) If the third mark (256) is not corresponding, it means that the gasket (23) may be missing between the first connecting pipe (21) and the second connecting pipe (22) or the assembled gasket (23) is not suitable. After tightening the male nut (24) and the female nut (25) with bare hands, use a wrench to fix the male nut (24), and use another wrench to turn the female nut (25) until the male nut (24) ) of the first mark (245) corresponds to the position of the second mark (255) of the female nut (25), so that the first flange (214) and the second flange (224) are pressed against the movable gasket (231) ) (as shown in Figure 12) to complete the assembly of the connector (2).

Please refer to Figures 13-14, in the third embodiment of the present invention, a fourth mark (246) is provided on the end face adjacent to the first mark (245) of the male nut (24), and is located on the female nut (24) adjacent to the first mark (245). The end face adjacent to the second mark (255) of the nut (25) is provided with a third mark (256), and the first mark (245) and the second mark (255) have the same color marking, and the third mark (256) ) has the same color coding as the fourth symbol (246) and is different from the color of the first symbol (245) and the second symbol (255). When the male nut (24) is screwed to the female nut (25) by hand, the fourth mark (246) of the male nut (24) will correspond to the third mark (256) of the female nut (25), so that the The first flange (214) and the second flange (224) are in contact with the movable washer (231) (as shown in Figure 15), if the male nut (24) is screwed with the female nut (25) by hand ) but the fourth mark (246) does not correspond to the third mark (256), it means that the gasket (23) or the assembled gasket may be missing between the first connecting pipe (21) and the second connecting pipe (22) (23) Not suitable. After tightening the male nut (24) and the female nut (25) with bare hands, use a wrench to fix the male nut (24), and use another wrench to turn the female nut (25) until the male nut (24) ) of the first mark (245) corresponds to the position of the second mark (255) of the female nut (25), so that the first flange (214) and the second flange (224) are pressed against the movable gasket (231) ) (as shown in Figure 16) to complete the assembly of the connector (2).

Thereby, the distance ( D1 ) from the neck ( 213 ) of the first coupling pipe ( 21 ) to the first flange ( 214 ) is matched with the distance ( D1 ) of the neck ( 223 ) of the second coupling pipe ( 22 ) to the second flange (224) distance (D2) and movable washer (231) thickness (D3) to standardize the groove depth (H) of the female nut (25) and the length (D4) of the stud section (242) of the male nut (24) ), and then limit the angle at which the female nut (25) can be rotated by the wrench, so that the male nut (24) and the female nut (25) of each joint (2) can be locked in the same position, so as to realize the joint ( 2) Standardization, while avoiding the wear of the movable gasket (231) and affecting the sealing performance.

However, the above descriptions are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Any changes and modifications that do not depart from the technical spirit of the present invention are all covered by the scope of the patent of the present invention.

To sum up, the invention has indeed broken through the tradition and has improved and innovative creative content and can be implemented concretely. It should meet the statutory requirements for an invention patent, and a patent application should be filed in accordance with the law. Creation, to the sense of virtue.

Learner: 1: Connector 11: The first connecting pipe 111: Piping end 112: Sealed end 113: Flange 12: Second connecting pipe 121: Piping end 122: Sealed end 123: Flange 13: Washers 131: Movable gasket 14: Male nut 141: Perforation 15: Female Nut 151: Perforation L: Baseline this invention︰ 2: Connector 21: The first connecting pipe 211: Piping end 212: Sealed end 213: Neck 214: First flange 22: Second connecting pipe 221: Piping end 222: Sealed end 223: neck 224: Second flange 23: Washers 231: Movable gasket 24: Male Nut 241: Nut segment 242: Stud segment 243: Perforation 244: Open End 245: First Mark 246: Fourth sign 25: Female Nut 251: Container 252: Perforation 253: Bottom 254: Ring Segment 255: Second Mark 256: The third sign D1: Distance D2: Distance D3: Thickness D4: length H: groove depth S: Spacing value

[Fig. 1] is an exploded perspective view of a conventional joint. [Fig. 2] is a schematic diagram of the assembly of a conventional connector. [Fig. 3] is a cross-sectional view of a conventional joint. [FIG. 4] is an exploded perspective view of the connector according to the first embodiment of the present invention. [FIG. 5] is a cross-sectional view of the connector part according to the first embodiment of the present invention. [Fig. 6] is a cross-sectional view of the connector according to the first embodiment of the present invention, which is not completely assembled. [Fig. 7] is a schematic diagram of the assembly of the connector according to the first embodiment of the present invention. [Fig. 8] is a cross-sectional view of the connector according to the first embodiment of the present invention. [Fig. 9] is an exploded perspective view of the connector according to the second embodiment of the present invention. [Fig. 10] is a schematic diagram of the assembly of the connector according to the second embodiment of the present invention. [Fig. 11] is a cross-sectional view of the second embodiment of the present invention, which is an incompletely assembled joint. [Fig. 12] is a cross-sectional view of the joint part according to the second embodiment of the present invention. [Fig. 13] is an exploded perspective view of the connector according to the third embodiment of the present invention. [Fig. 14] is a schematic diagram of the assembly of the connector according to the third embodiment of the present invention. [FIG. 15] is a cross-sectional view of the third embodiment of the present invention, the joint is not completely assembled. [Fig. 16] is a cross-sectional view of the joint part according to the third embodiment of the present invention.

2: Connector

21: The first connecting pipe

213: Neck

214: First flange

22: Second connecting pipe

223: neck

224: Second flange

231: Movable gasket

24: Male Nut

25: Female Nut

254: Ring Segment

D1: Distance

D2: Distance

D3: Thickness

D4: length

H: groove depth

S: Spacing value

Claims (7)

A sealed joint, comprising: a first connecting pipe, one end of the first connecting pipe forms a piping end, the other end forms a sealing end with a neck, and a first flange is provided on the sealing end surface; a second connecting pipe, one end of the second connecting pipe forms a piping end, the other end forms a sealing end with a neck, and a second flange is provided on the sealing end surface; a gasket, the gasket includes a movable gasket, and the movable gasket abuts between the first flange and the second flange; a male nut, the male nut forms a nut section and a stud section, and the stud section is provided with a through hole with an open end, the through hole is used for the first connecting pipe to pass through, and the first the neck of the connecting pipe fits against the open end; and a female nut, the female nut forms a cavity with a perforation, the through hole is used for the second connecting pipe to pass through, and the neck of the second connecting pipe is attached to the bottom of the cavity, and the female nut When the first coupling pipe piece, the movable gasket and the second coupling pipe piece are accommodated between the cap and the male nut and screwed together, there is a distance (S) between the female nut and the male nut, so that the The groove depth of the female nut (H) = the distance from the neck to the first flange of the first connecting pipe (D1) + the distance from the neck to the second flange of the second connecting pipe (D2) + Thickness of the movable gasket (D3) + Length of the stud section of the male nut (D4) - Spacing value (S). The sealing joint of claim 1, wherein one end face of the nut section of the male nut is provided with a first mark, and one end face of the female nut is provided with a second mark, so that the first mark When corresponding to the second mark, the first flange and the second flange are in a state of pressing the movable gasket tightly. The sealing joint as claimed in claim 1, wherein the end face of the female nut adjacent to the second mark is provided with a third mark, so that when the first mark corresponds to the third mark, the first flange and the third mark The two flanges are in a state of contacting the movable gasket, and when the first mark corresponds to the second mark, the first flange and the second flange are in a state of pressing against the movable gasket. The sealing joint of claim 3, wherein the first mark, the second mark and the third mark have color markings, and the first mark and the second mark have the same color marking, and are identical to the first mark The colors of the three symbols are different. The sealing joint of claim 1, wherein the end face of the male nut adjacent to the first mark is provided with a fourth mark, and the end face of the female nut adjacent to the second mark is provided with a third mark , when the fourth mark corresponds to the third mark, the first flange and the second flange are in a state of contacting the movable gasket, and when the first mark corresponds to the second mark, the first flange and the second flange are in contact with the movable gasket. The second flange is in a state of pressing the movable gasket. The airtight connection joint of claim 5, wherein the first mark, the second mark, the third mark and the fourth mark have color markings, and the first mark and the second mark are the same color marking , the third mark and the fourth mark are marked with the same color, and are different from the color mark of the first and second marks. The sealed joint of claim 1, wherein the groove depth is achieved by extending a ring segment from the female nut or by reducing the length of the stud section of the male nut or extending the length of the female nut.

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