TWI384151B - Pipe connector - Google Patents

Description

Quick coupling

The present invention relates to a quick coupling that can be used to engage a tubular body.

According to the device, it is convenient to connect devices such as watering devices and pumping pumps to perform pumping and water supply operations. The user will install a pipe joint at the nozzle of the water pipe to facilitate the immediate connection or replacement of the device.

Please refer to the seventh and eighth figures, which are schematic diagrams of a conventional pipe joint.

As shown in the figure, the pipe joint (3) has a body (30), and an outer portion (301) is formed on one side of the body (30), and the body (30) is further extended on the inner side of the outer portion (301). a pipe joint (300), a water stop ring (33) is embedded on the surface of the pipe joint portion (300), and a fastening ring body (31) is disposed inside the outer joint portion (301), and the ring body (31) and the pipe are fastened. A pushing space (35) is formed between the connecting portions (300), and the inner edge of the fastening ring body (31) is provided with a supporting washer (32) located in the pushing space (35) at the periphery of the outer connecting portion (301). There is a backstop ring piece (34) bent inward, and the outer side of the outer portion (301) is covered with a covering material (36).

When combined with the pipe body (4), the pipe body (4) is inserted into the urging space (35), and the support washer (32) is pushed against the inner side of the sliding space (35) to make the pipe body of the preset section (4) It can be extended into the sloping space (35), and at the same time, the outer diameter surface of the pipe body (4) is tightened by the water stop ring (33) to form a clamp setting position, and the nip pipe joint (3) and the pipe body are achieved. 4) The effect.

However, the front pipe joint (3) structure includes a support washer (32), a check ring piece (34) and the like in addition to the body (30) and the fastening ring body (31), and the body (30) is The pipe joint (300) and the outer joint (301) surrounding the outer side of the pipe joint (300) are included, so that the conventional pipe joint (3) has a complicated structure, is not easy to assemble, and increases the installation cost in an invisible manner.

In addition, the front tube (4) only presses the surface of the tube (3) through the water stop ring (33) to form a positioning effect, if the tube body (4) accidentally encounters an external force, or the tube When the water pressure is too high, the tube body (4) is easily detached; even if the pipe joint (3) is attached to the surface of the pipe body (4) through the fastening ring body (31), a clamp setting pipe is formed. The function of the body (4), if the pulling force or the water pressure in the pipe is too high, the fastening ring body (31) which is closely attached to the pipe body (4) may be driven away from the moving space (35). Even if the backstop ring piece (34) is forced to leave the pipe joint (3), the pipe joint (3) and the pipe body (4) cannot be connected and positioned to cause water leakage.

Therefore, how to provide a pipe joint structure that can improve the connection and stabilization effect with the pipe body is a problem to be solved by related companies.

In view of the above, an object of the present invention is to provide a quick pipe joint that can improve the connection and stability of the pipe body.

In other words, the quick pipe joint provided by the present invention mainly comprises: a joint body, and a pipe joint portion is formed at one end thereof, and the pipe joint portion is provided with an annular convex body adjacent to the joint body, and is connected to the joint body and A buckle groove is formed between the annular convex bodies, and a drainage channel penetrating to the pipe joint portion is arranged inside the joint body, and an O-ring is embedded in the outer diameter surface of the pipe joint portion; a bundle sleeve is hollow short pipe state In the periphery of the opening at one end thereof, at least two extension portions arranged at equal central angles are formed, and the end portions of the extension portions are bent to form a toothed portion, and a margin is formed on the outer diameter surface of the sleeve. Preferably, the slit is provided with at least one perforation, the inner edge of the perforation of the sleeve, and is provided with a protruding toothing portion; at least one abutting member is a one-piece block, and the two ends are provided a clamping groove; and a covering sleeve sleeved on the joint body for covering the pipe joint portion and the bundle sleeve of the joint body; the top abutting member is disposed between the margin joints of the bundle sleeve , in order to open the margin joint, so that the inner diameter of the sleeve is larger than the outer diameter of the joint portion of the joint body; The sleeve is disposed on the pipe joint portion, and the buckle groove of the joint body is formed by the toothed portion to form a positioning function, and the top abutting member is attached to the surface of the pipe joint portion to form a gap between the sleeve and the pipe joint portion. A clamping space into which a tube body extends.

When assembled, the tube body is inserted between the sleeve and the tube joint, and then sleeved at the joint portion of the joint body, and then the tube body is pushed forward to push against the top member placed on the sleeve. The sleeve is separated from the sleeve, and according to the creep resistance of the sleeve material, the sleeve can be retracted to return to the original state, thereby forming the effect of clamping the tube body. In addition, when the sleeve is clamped, a part of the volume of the tube body is forced to protrude between the perforations, and is resisted by the toothing portion, thereby improving the positioning effect between the tube body and the pipe joint.

According to the foregoing structural design, the present invention is only provided with the joint body and the bundle sleeve compared with the conventional structure, which not only has a simple and convenient structural composition, but also can reduce the installation cost of the pipe joint; In the case of the main body, the buckle sleeve of the hook-shaped snap-tooth joint body can be utilized, and the stability of the joint body and the bundle sleeve can be ensured, and the positioning effect of the joint body is greatly improved; When the joint and the pipe body are pressed, the partial volume of the pipe body is suspended in the perforation according to the pressing force of the recovery of the sleeve, and is blocked by the toothing portion of the inner edge of the perforation, thereby improving the pipe body and the quick pipe. The positioning effect of the joint avoids the situation in which the pipe body is detached.

In order to enable the reviewing committee to have a better understanding and recognition of the structural features and functions of the present invention, the following preferred embodiments are illustrated and described in conjunction with the drawings.

Please refer to the first and second figures. The first drawing shows a schematic view of a preferred embodiment of the present invention; the second drawing shows a schematic cross-sectional view of a preferred embodiment of the present invention.

The quick pipe joint (1) of the present invention is connected to an outlet end of a pipe body (2) (such as a PE pipe, an aluminum plastic pipe, etc.) made of a semi-soft and hard material, and mainly comprises a joint body (10). a sleeve (11), a covering sleeve (12) and at least one abutting member (13), wherein: the joint body (10) is made of metal such as copper, at one end of the joint body (10) An extension portion (100) having an outer diameter slightly smaller than the joint body (10) is formed, and the joint body (10) is centrally formed at the end, and a tube joint having an outer diameter smaller than the abutting portion (100) is extended and formed ( 101), the pipe joint portion (101) is adjacent to the abutting portion (100), and is provided with an annular convex body (102) formed around the outer diameter of the pipe joint portion (101), and is attached to the abutting portion (100). A buckle groove (103) is formed between the annular protrusions (102), and a predetermined position of the outer diameter surface of the pipe joint portion (101) is recessed with at least one (two in this embodiment) annular concave shape The groove (104) and the annular groove (104) are accommodated with an O-ring (105) for achieving a sealing effect; further, the joint body (10) is provided with a screw at one end of the pipe joint portion (101). The interface (106) and the inner wall surface of the screw interface (106) are formed with a threaded joint (107) for jointing, and the joint The inside of the body (10) is provided with a drain passage (108) formed by a screw joint (106) penetrating to one side of the pipe joint portion (101).

The sleeve (11) is sleeved on the pipe joint portion (101) of the joint body (10), which is made of a flexible metal and has a hollow short tube at one end of the sleeve (11). At least around the periphery of the opening, at least two are formed (Fourth embodiment is four) and an extension portion (110) disposed at an equal central angle, the end portion of the extension portion (110) is bent inwardly to form a toothed portion (111), and the surface of the sleeve (11) is provided with a a margin seam (112), a plurality of perforations (113) are simultaneously opened on the outer diameter surface of the sleeve (11), and an inner edge of the perforation (113) is formed with a protruding toothing portion (114), and the abutting portion ( 114) The angle of formation is inclined toward the inside of the sheath (11).

The covering sleeve (12) is made of flexible transparent plastic, and has a set of joints (120) at both ends thereof, which can be used to sleeve the abutting portion (100) of the joint body (10), and according to the joint The pipe joint portion (101) of the body (10) and the sleeve (11) sleeved on the pipe joint portion (101) are positioned.

The top abutting member (13) is a one-piece block, and the two end sides are respectively provided with a clamping groove (130) penetrating the two side surfaces, and the bottom side of the top abutting member (13) is formed into a curved surface. Face (131).

When assembled, the top abutting member (13) is placed in the margin slit (112) of the flexible sheath (11), and the clamping groove (130) of the two end sides of the top abutting member (13) is used. The solid margin joints (112) are formed on both sides to form a click shape to open the margin joint (112), so that the inner diameter of the sleeve (11) is larger than the outer diameter of the joint portion (101) of the joint body (10). The blister sleeve (11) is sleeved on the pipe joint portion (101), and is formed by the latching portion (103) of the joint body (10) by the engaging portion (111) of the sleeve (11). Positioning, at the same time, the abutting surface (131) of the abutting member (13) is attached to a predetermined position on the outer diameter surface of the pipe joint portion (101) to form a gap between the sleeve (11) and the pipe joint portion (101). a clamping space (115), and then sleeved outside the sleeve (11) with a covering sleeve (12) for positioning the joint body (10) and the sleeve (11); by means of the sleeve (11) The part (111) and the joint body (10) buckle groove (103) are buckled and positioned to ensure the joint body (10) and the sleeve (11) After the combination, it is more stable and difficult to separate, and the positioning effect is greatly improved.

Referring to the second to fourth figures, and the fifth figure, wherein the second to fourth figures respectively show a schematic diagram of the preferred embodiment of the present invention and the tube body; the fifth figure reveals A schematic view of a preferred embodiment of the present invention and a tubular body.

In implementation, the tube body (2) is placed at the same axial position as the joint body (10) and the sheath (11) (as shown in the second figure), so that the tube body (2) is along the sleeve (11) and the tube The connecting portion (101) extends into the clamping space (115), and is then sleeved on the pipe joint portion (101) of the joint body (10) until the pipe body (2) interferes with the sleeve (11) to form a click. The top abutting member (13) (as shown in the third figure), at this time, the force is applied to push the pipe body (2) forward, thereby pushing against the abutting member (13), causing it to slide forward and away from the beam. The sleeve (11) is dropped into the gap between the extension (110) of the sheath (11) and the tube joint (101) (as shown in the fourth figure), at which time the material of the sleeve (11) is resistant. Creep, the sleeve (11) is reduced in diameter and returned to the original state, thereby forming the effect of clamping the tubular body (2).

According to the pressing force recovered by the sleeve (11), when the sleeve (11) is sandwiched by the tube (2) of the semi-soft and hard material, the tube body (2) is forced to swell in the perforation (113). Between the two, and the resisting portion (114) resists blocking, since the angle of formation of the toothing portion (114) is inclined toward the inner side of the sheath (11), the surface of the tubular body (2) can be surely pressed to improve the tubular body. (2) The effect of positioning on the sleeve (11) to avoid the situation in which the tube body (2) is detached, thereby achieving the effect of preventing leakage.

Please also refer to the sixth drawing, which is a schematic diagram showing another reference embodiment of the preferred embodiment of the present invention.

In the present invention, the joint body (10) may be formed with a threaded joint (109) for engaging the outer diameter surface of one end of the joint portion (101) (ie, the outer edge of the front screw joint 106), and This is connected with a device that can be screwed correspondingly, for example, a ball valve (5) provided with an internal thread, which can achieve the function of connecting the pipe body (not shown) and the ball valve (5), and can obtain all of the foregoing. effect.

In summary, the present invention can be summarized as follows:

1. Compared with the conventional structure, the present invention only has the joint body (10) and the sleeve (11), and the structure is simpler and more convenient, and the installation cost of the pipe joint (1) can be reduced.

2. When the sleeve (11) and the joint body (10) are combined, the hook portion (103) of the joint body (10) can be buckled by the sleeve (11) and the buckle groove (103) of the joint body (10) can be formed. The positioning function of the cassette ensures that the joint body (10) and the sleeve (11) are more stable and difficult to be detached, thereby greatly improving the positioning effect of the two.

3. When the quick pipe joint (1) and the pipe body (2) of the semi-soft and hard material are combined, the partial volume of the pipe body (2) may be suspended from the perforation according to the pressing force returned by the sleeve (11). Between the two, and by the resistance of the inner edge of the perforation (113) to resist the blocking function, can improve the positioning effect of the pipe body (2) and the quick pipe joint (1), to avoid the situation of detachment.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the embodiments of the present invention, and equivalent variations made by those skilled in the art in accordance with the present invention, as well as those skilled in the art. Changes are still within the scope of the invention.

this invention:

1. . . Quick coupling

10. . . Joint body

100. . . Sticking part

101. . . Pipe joint

102. . . Annular convex body

103. . . Buckle

104. . . Annular groove

105. . . O-ring

106. . . Screw interface

107. . . Screw pattern

108. . . Drainage channel

109. . . Screw pattern

11. . . Bundle

110. . . Extension

111. . . Tooth

112. . . Yudu seam

113. . . perforation

114. . . Toothed part

115. . . Interposed space

12. . . Cover

120. . . Nesting

13. . . Top part

130. . . Clamping slot

131. . . Stick to face

2. . . Tube body

5. . . Ball valve

Convention:

3. . . Pipe joint

30. . . Ontology

300. . . Pipe joint

301. . . External unit

31. . . Fastening ring

32. . . Support washer

33. . . Water stop ring

34. . . Backstop ring

35. . . Lap space

36. . . Covering material

4. . . Tube body

First Figure: A schematic diagram of a preferred embodiment of the present invention.

The second drawing is a schematic cross-sectional view of a preferred embodiment of the present invention, and an action diagram (1) of the preferred embodiment in contact with the tubular body.

Third figure: action diagram (2) of the preferred embodiment in contact with the pipe body.

Figure 4: Action diagram (3) of the preferred embodiment in contact with the tubular body.

Fig. 5 is a schematic view showing a preferred embodiment of the present invention and a tube body.

Figure 6 is a schematic view showing another reference embodiment of the preferred embodiment of the present invention.

Figure 7: Action diagram of the conventional pipe joint and the pipe body (1).

Figure 8: Action diagram of the connection between the conventional pipe joint and the pipe body (2).

1‧‧‧Fast pipe joint

10‧‧‧Connector body

100‧‧‧Affiliation Department

101‧‧‧Management Department

102‧‧‧ annular convex body

104‧‧‧ annular groove

105‧‧‧O-ring

106‧‧‧Snail interface

107‧‧‧Spiral pattern

11‧‧‧

110‧‧‧Extension

111‧‧‧Knife

112‧‧‧Yudu sewing

113‧‧‧Perforation

114‧‧‧Parts

12‧‧‧ Cover

120‧‧‧ joint mouth

13‧‧‧Parts

130‧‧‧掣掣槽

131‧‧‧ affixed to the face

2‧‧‧ tube body

Claims (7)

A quick pipe joint mainly comprises: a joint body, a pipe joint is formed at one end thereof, and a pipe joint is arranged adjacent to the joint body, and a buckle is formed between the joint body and the annular convex body. The gutter, the inside of the joint body is provided with a drainage channel penetrating to the pipe joint portion; the bundle sleeve is in the form of a hollow short pipe, and is formed at the periphery of one end opening thereof, and is formed by extending at least two equiangular angles. An extension portion, the end portion of the extension portion is formed as a toothed portion, and a margin joint is formed on the outer diameter surface of the sleeve, and at least one perforation is provided, and the inner edge of the perforation is provided with a protruding tooth portion; at least A top abutting piece is a piece of block body, and a clamping groove is arranged at two ends thereof; a covering sleeve is sleeved on the joint body for covering the pipe joint portion and the bundle sleeve of the joint body; The topping member is disposed between the margin joints of the sleeve, thereby expanding the margin joint so that the inner diameter of the sleeve is larger than the outer diameter of the joint portion of the joint body; the sleeve is sleeved on the pipe joint On the upper part, the latching groove of the joint body is buckled by the toothed portion to form a positioning function, and by the top Member abutted against the surface of the tube portion, so that the collar between the tube connecting portion is formed for a clip member projecting into the space. The quick coupling according to the first aspect of the invention, wherein the angle of formation of the abutting portion is inclined toward the inside of the sheath. The quick coupling according to claim 1, wherein the sleeve is made of a flexible metal. The quick coupling according to claim 1, wherein the bottom side of the abutting member is formed into a curved contact surface. The quick coupling according to claim 1, wherein the outer diameter surface of the pipe joint is recessed with at least one annular groove, and the annular groove is provided with an O-ring. The quick pipe joint according to claim 1, wherein the joint body is different from one end of the pipe joint, and a screw interface is formed, and an inner edge of the screw interface is formed with a screw for engagement. Pattern. The quick coupling according to the first aspect of the invention, wherein the joint body is different from one end of the pipe joint, and a screw interface is formed, and the outer edge of the screw interface is formed with a screw for engagement. Pattern.