TWM573809U - Quick connector - Google Patents

Abstract

A quick connector includes a bundle member surrounding an axis, a linkage member pivotally coupled to a clutch end of the bundle member at a first pivot point, and a drive member. The driving member includes a pivoting end and a pulling end. The pivoting end is pivotally connected to the other clutch end of the bundle by a second pivot point, and is pivotally connected to the linkage by a third pivot point. The pulling end rotates between a release position and a locking position. When the release position is away from the second pivot point, the first pivot point is enlarged, and the clamping position is enlarged. The first pivot point is adjacent to the second pivot point, and the clip is narrowed and a first extension is tightened, and the third pivot point passes through the first pivot point and the second pivot point The line of interference. Thereby, the special position change of the third pivot point is used to achieve the locking effect, so that the force from the first extension member is insufficient to push the clutch ends, thereby improving the stability after the tightening.

Description

Quick connector

The present invention relates to a connector, and more particularly to a quick connector.

Referring to FIG. 1, a conventional screen supporting device 1 includes a column 11, two connecting members 12 that are displaceably sleeved on the column 11, and two cantilevers 13. Each of the connecting members 12 includes an extending portion 121 , two engaging portions 122 surrounding the column 11 and defining a clamping opening 120 , and a bolt 123 screwed to the matching portion 122 and reducing the clamping opening 120 . . Each cantilever 13 is connected to an extension 121 of the respective connector 12 and is used to support a screen 2. Thereby, the clip 120 can be enlarged or reduced by simply rotating the bolt 123 of each connecting member 12, so that each connecting member 12 is pressed on the column 11 to connect each cantilever 13 with the The purpose of the column 11.

However, since the operation of the bolt 123 requires the use of a hand tool, such as a screwdriver or a wrench, the tightening effect can be achieved, and the tightening action is time consuming, and the pressing effect varies from person to person, and therefore, in operation. It is less convenient and is easy to loosen due to insufficient tightening.

Moreover, in order to support the two screens 2, the conventional screen supporting device 1 must be provided with two connecting members 12, which not only have many components, but also are inconvenient in operation.

Therefore, the object of the present invention is to provide a quick connector that is easy to operate and can improve the stability after tightening to prevent loosening.

Therefore, the new quick connector is adapted to connect a first extension member and a second extension member. The quick connector comprises: a bundle member, a linkage member, and a driving member.

The bundle member includes at least one clip arm for surrounding an axis and defining a jaw, the at least one clip arm having two spaced apart ends spaced apart by a spacing, the jaw being adapted for insertion of the first extension member.

The linking member includes a first end portion pivotally connected to one of the clutch ends of the at least one clamping arm centered on a first pivoting point, and a second end portion opposite to the first end portion.

The driving member includes a pivoting end portion and a pulling end portion opposite to the pivoting end portion, the pivoting end portion pivotally connected to the at least one clamping arm centering on a second pivoting point a clutch end portion and a second end portion of the linking member pivotally centered on a third pivot point, the trigger end portion rotating between a release position and a locking position, in the release position The first pivot point is away from the second pivot point, and the clip is enlarged, and the third pivot point does not interfere with a line passing through the first pivot point and the second pivot point, where the lock In the position, the first pivot point is adjacent to the second pivot point, and the clip is narrowed, and the third pivot point is located at a position that interferes with the line.

The utility model has the advantages that the special position change of the third pivot point achieves the locking effect, so that the force from the first extension member is insufficient to push the clutch ends away from each other, thereby improving the convenience during operation. Sex, and the stability after the tightening.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 2, 3 and 4, a first embodiment of the present type of quick connector includes a bundle of members 3, a linkage member 4, a drive member 5, two spacers 6, and a set of bolts 7.

The bundle 3 comprises two clamping arms 31 for surrounding an axis X1 and defining a jaw 30. Each clip arm 31 has a connecting end portion 311, a clutch end portion 312 opposite to the connecting end portion 311, a ring seat 313 surrounding a center line X2 and defining a through hole 310, and a plurality of recesses 314 formed therein. An inner surface 315. The clutch end 312 has a notch 316. The connecting ends 311 of the clip arms 31 are pivotally connected to each other, and the clutch ends 312 are spaced apart from each other.

The linkage 4 includes a first end 41 and a second end 42 opposite the first end 41. The first end portion 41 is disposed at a notch 316 of the corresponding clamping arm 31 and is pivotally connected to the connecting end portion 311 of the corresponding clamping arm 31 about a first pivoting point A.

The driving member 5 includes a pivoting end portion 51 and a pulling end portion 52 opposite to the pivoting end portion 51. The pivoting end portion 51 is disposed at a notch 316 of the corresponding clamping arm 31, and is pivotally connected to the connecting end portion 311 of the corresponding clamping arm 31 by a second pivoting point B, and has a spacing of two The second end portion 42 of the connecting member 4 is disposed between the ear sockets 511, and the pivoting end portion 51 is pivotally connected to the linking member 4 with a third pivoting point C as a center. Second end portion 42. The pivoting end portion 51 of the pivoting end portion 52 rotates between a released position (Fig. 8), a locked position (Fig. 9), and a closed position (Fig. 7).

Referring to FIG. 8, in the released position, the first pivot point A is away from the second pivot point B, so that the clutch ends 312 of the bundle member 3 are separated by a maximum distance D, and the jaw is enlarged. 30, and the third pivot point C does not interfere with the straight line L passing through the first pivot point A and the second pivot point B. Referring to FIG. 9, in the locked position, the first pivot point A is adjacent to The second pivot point B, the pinch 30 is narrowed, and the third pivot point C is located at a position interfering with the straight line L. Referring to FIG. 7, in the closed position, the clutch ends 312 abut each other. The pinch 30 is further narrowed, and the third pivot point C is also located at a position interfering with the straight line L. The linking member 4 and the driving member 5 extend along an arcuate path about the axis X1.

Referring to Figures 2 and 7, the spacers 6 surround the axis X1 and are disposed on the inner surface 315 of the clamp arms 31. Each spacer 6 includes an outer surface 62 formed with a plurality of projections 61. The convex portions 61 are respectively fitted to the concave portions 314 of the corresponding clamp arms 31, and each of the spacers 6 is coupled to the inner surface 315 of each of the clamp arms 31.

It should be noted that the number of the spacers 6 is not limited to two, and in other variations of the embodiment, only one spacer 6 may be provided.

The bolt set 7 includes a first bolt 71 that pivots the connecting ends 311 of the clip arms 31, and a connecting end portion of the first end portion 41 of the linking member 4 and the corresponding clip arm 31. a second bolt 72 constituting the first pivot point A, a pivot end portion 51 of the driving member 5 and a connecting end portion 311 of the corresponding clip arm 31 and forming the second pivot point B A third bolt 73, and a second end portion 42 that pivots the second end portion 42 of the linking member 4 and the ear socket 511 of the driving member 5 and constitutes the third pivoting point C.

Referring to FIG. 5 and FIG. 6, the quick connector of the present invention is suitable for connecting a first extension member 81 and two second extension members 82. In this embodiment, the first extension member 81 is a column extending along the axis X1 direction, and each of the second extension members 82 is a cantilever for supporting a screen 9 and a ring seat of the beam member 3 The piercing 310 defined by 313 is sleeved.

When the device is installed, the bundle member 3 is sleeved on the first extension member 81 through the nipple 30 of the bundle member 3, so that the clamp arms 31 of the bundle member 3 surround the first extension member 81. 8, 9, and 7, then, the pulling end 52 of the driving member 5 is urged toward the beam member 3, and the pulling end portion 52 is displaced from the released position to the locking position, or displaced. In the closed position, during the displacement, the third pivot point C is brought close to the line L around the second pivot point B, and the linkage member 4 is driven to interlock the clutch ends of the clamp arms 31. The portions 312 are close to each other, and the jaws 30 are narrowed, so that the clip arms 31 gradually press the first extension member 81 to obtain positioning.

Referring to FIG. 9, when the pulling end portion 52 of the driving member 5 is in the locking position, the third pivot point C interferes with the straight line L. At this time, the clamping arm 31 corresponding to the first pivoting point A will The clip arm 5 corresponding to the second pivot point B is blocked from the trigger end 52 corresponding to the third pivot point C. And cannot expand outward in the direction of the straight line L. Thereby, any reaction force from the time when the first extension member 81 is forced can not move the clutch end portions 312 away from each other in a case where the strength is not greater than the structural strength, and the size of the aperture of the jaw 30 can be maintained.

Referring to FIG. 7, when the pulling end portion 52 of the driving member 5 is in the closed position, the third pivot point C also interferes with the straight line L and blocks on one side of the second pivot point B. Thereby, any reaction force from the time when the first extension member 81 is forced, in the case of not more than the structural strength, can also prevent the clutch end portions 312 from moving away from each other, thereby maintaining the diameter of the jaws 30.

It should be noted that the difference between FIG. 7 and FIG. 9 is that when the pulling end 52 of the driving member 5 is in the closed position, the diameter of the clamping mouth 30 is smaller than the diameter of the clamping opening 30 when the locking opening 30 is smaller than the locking position. Therefore, in the case where the clutch ends 312 are also not displaceable, the first extensions 81 of different diameters and widths can be applied.

Referring to FIG. 8, when the quick coupler of the present invention is to be moved in the direction of the axis X1, the trigger end 52 of the drive member 5 can be moved away from the bundle member 31 to the release position to drive the first The three pivot joints C are away from the straight line L around the second pivot point B, and at the same time, the linking member 4 is driven to interlock the clutch ends 312 of the clamp arms 31 away from each other, and the clip 30 is enlarged and released. The first extension member 81 causes the clamp arms 31 to release the first extension member 81 for the purpose of displacement.

Referring to FIG. 10, it should be noted that the number of the clip arms 31 is not limited to two, and the shape of the clip 30 is not limited to a circular shape. In other variations of the embodiment, one may also have a scratch. The clip arm 31 of the elliptical jaw 30 is defined and defined. Thereby, the clip arm 31 is integrally formed, and the joint end portion 311 of FIG. 9 is omitted. When the pulling end 52 of the driving member 5 is in the released position, the clutch ends 312 of the bundle member 3 are separated by a maximum spacing d which is smaller than the spacing D of FIG. In operation, the linking member 4 can also be driven by the driving member 5, and the clamping opening 30 can be reduced or enlarged to achieve the purpose of pressing the first extension member 81 or releasing the first extension member 81. Since the general knowledge in the art can infer the details of the expansion based on the above description, it will not be explained.

In addition, it should be noted that the shape of the jaw 30 is not limited to a circular shape or a circular shape, and may be a rectangle or other polygonal shape in other variations of the embodiment.

Referring to FIG. 11, a second embodiment of the present invention is substantially the same as the first embodiment, and includes the bundle member 3, the linkage member 4, the driving member 5, the spacers 6, and the bolt member. Group 7. The difference is:

One of the clamp arms 31 of the bundle member 3 has an extension portion 317 that connects the ring seat 313 and extends in a direction perpendicular to the axis X1.

Thereby, the extension portion 317 and the connected cantilever 82 (as shown in FIG. 5 ) can further extend the length, so that the screen 9 ( FIG. 5 ) can be moved more widely, and the linkage can also be driven by the driving member 5 . 4, and reduce or enlarge the jaw 30 to achieve the purpose of pressing the first extension member 81 or releasing the first extension member 81 (Fig. 5). Since the general knowledge in the art can infer the details of the expansion based on the above description, it will not be explained.

Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

1. The present invention can reduce or enlarge the clamping mouth 30 by simply pulling the pulling end portion 52 of the driving member 5. The operation is simple and fast, and no other hand tools are needed, which is quite convenient in use.

2. It is important that the third pivot point C has a special position change when the trigger end 52 is operated to achieve a locking effect, so that the force from the first extension 81 is insufficient to push the The isolating ends 312 are spaced apart from each other, and the diameter of the jaws 30 is maintained, thereby improving the stability after the pressing.

3. The convex portion 61 of the spacer 6 is fitted into the concave portion 314 of the clamp arm 31, and the thickness of the spacer 6 can be improved, and the cushioning effect can be further enhanced. And improve support.

4. In addition, the present invention can connect the two second extension members 82 through the ring holders 310, and support the two screens 9, not only to construct the fine room, but also to operate the driving member 5 once, and the tension can be achieved. The first extension member 81 or the purpose of releasing the first extension member 81.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

3‧‧‧ bundle

30‧‧‧ Sandwich

31‧‧‧ clip arm

310‧‧‧ wearing a mouth

311‧‧‧Connecting end

312‧‧‧Clutch end

313‧‧‧ Ring seat

314‧‧‧ recess

315‧‧‧ inner surface

316‧‧ ‧ gap

4‧‧‧ linkages

41‧‧‧First end

42‧‧‧second end

5‧‧‧ Drives

51‧‧‧ pivot end

511‧‧‧ ear seat

52‧‧‧Toggle end

6‧‧‧shims

61‧‧‧ convex

62‧‧‧ outer surface

7‧‧‧Block group

71‧‧‧First bolt

72‧‧‧Second bolt

73‧‧‧ Third bolt

74‧‧‧fourth bolt

81‧‧‧First extension

82‧‧‧Second extension

A‧‧‧first pivot point

B‧‧‧Second pivot point

C‧‧‧ third pivot point

X1‧‧‧ axis

X2‧‧‧ center line

L‧‧‧ Straight line

D‧‧‧ spacing

D‧‧‧ spacing

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view illustrating a conventional screen support device; FIG. 2 is an exploded perspective view illustrating A first embodiment of the present type of quick connector; Fig. 3 is a perspective view of the first embodiment; Fig. 4 is a perspective view similar to Fig. 3, but viewed from another angle; Fig. 5 is a front view The first embodiment is adapted to connect a first extension piece and a second extension piece; FIG. 6 is a cross-sectional view taken along line V-V of FIG. 3; FIG. 7 is along the line of FIG. A cross-sectional view taken in line VII-VII, and illustrating a flip end in the first embodiment in a closed position; Fig. 8 is a cross-sectional view similar to Fig. 7, but the pull end is in a loosened position Figure 9 is a cross-sectional view similar to Figure 7, but with the toggle end in a locked position; Figure 10 is a cross-sectional view illustrating a variation of a bundle in this embodiment; and Figure 11 is a perspective view A second embodiment of the novel quick connector will be described.

Claims (10)

A quick connector adapted to connect a first extension member and at least a second extension member, the quick connector comprising: a bundle member including at least one clamp arm for surrounding an axis and defining a jaw, The at least one clip arm has two spaced apart ends, the clip is adapted to be worn by the first extension member; and a linkage member includes a pivotal connection to the at least one clip centered on a first pivot point a first end of one of the clutch ends and a second end opposite to the first end; and a driving member including a pivoting end and opposite to the pivoting end a pivoting end of the portion pivotally connected to the other clutch end of the at least one clip arm centered on a second pivot point, and pivotally connected to the third pivot point a second end of the linking member, the pulling end is rotated between a release position and a locking position, wherein the first pivot point is away from the second pivot point when the release position is extended a clamping port, and the third pivoting point does not interfere with a line passing through the first pivoting point and the second pivoting point, in the locking position The first pivot point proximate the second pivot point, and the narrow jaws, and the third pivot point located at a position to interfere with the straight line. The quick connector of claim 1, wherein the driving end of the driving member is further rotated to a closed position, wherein the clutch ends abut each other, and the third pivot point Located at a position that interferes with the line. The quick connector of claim 2, wherein the linking member and the driving member extend in an arcuate path about the axis when the pulling end of the driving member is in the closed position. The quick connector of claim 1, wherein each of the clutch ends of the bundle has a notch for the first end of the linkage to pass through the pivotal end of the drive member. The quick connector of claim 4, wherein the pivoting end of the driving member has a pair of abutments spaced apart from each other, and the second end of the linking member is disposed between the earpieces. The quick connector of claim 1, wherein the bundle comprises two clamp arms pivotally connected to each other, each clamp arm further having a connection end opposite to the clutch end, the connection of the clamp arms The ends are pivotally connected to each other. The quick connector of claim 1, wherein the bundle further comprises at least one ring seat connecting the at least one clamp arm, the at least one ring seat being adapted to sleeve the at least one second extension. The quick connector of claim 7 is further adapted to connect two second extensions, wherein the bundle further comprises a two-ring seat connecting the at least one clamp arm, the ring seats being adapted to sleeve the second Two extensions. A quick connector as claimed in claim 7 or 8, wherein each ring seat defines a through opening around a centerline. The quick connector of claim 1, further comprising at least one spacer, wherein the at least one clamping arm further has an inner surface formed with a plurality of recesses, the at least one spacer comprising an outer surface formed with a plurality of convex portions, The equal convex portions are respectively fitted to the concave portions, and the at least one spacer is coupled to the at least one clamp arm.