TWM522588U - Universal clip - Google Patents

Description

Universal clamp

This creation is about a universal clamp, especially an auxiliary fixture that is used for hand sewing and embroidery, and can also be used as a fixture for general clothespins, folders, and the like.

When working on hand sewing or embroidery, it is often necessary to tighten the sewing or embroidery to make the work go smoothly. However, to tighten the sewing or embroidery, you must use both hands to grasp the two ends of the sewing or embroidery. As a result, there is no extra hand to take the needle or the embroidery needle. For this reason, a common name is the third hand. (Third Hand) auxiliary fixtures came into being.

Fig. 1 is a view showing the state of use of the conventional auxiliary jig 90. The auxiliary clamp 90 is composed of a two-clamp arm 91, a link set 92 and a torsion spring 93. The two clamp arms 91 are pivotally connected to each other through a pivot 94, and a clamping portion is formed on the inner side of the front end of the clamp arm 91. 95. The link set 92 includes an intermediate link 96 and two side links 97. The front end of the intermediate link 96 has an elongated guide hole 98 through which the pivot 94 penetrates, so that the intermediate link 96 can support the pivot 94. Sliding back and forth, the end of the intermediate link 96 provides a rope hole 99 required for the connection of the rope 70. The other end of the rope 70 is attached to a table side clip 80 which is locked to the edge of a table 65; The front ends of the side links 97 are respectively pivotally connected to the center of the intermediate link 96, and the centers of the two side links 97 are respectively pivotally connected to the ends of the two clamp arms 91. The torsion spring 93 is assembled to the pivot shaft 94, and the two load-bearing arms (not shown by the symbol) are respectively supported on the inner side of the two-clamp arm 91, so that the tension of the torsion spring 93 causes the two-clamp arm 91 to have tension while allowing the two-clamp hold The portion 95 is kept in a normally closed state.

When the intermediate link 96 is pushed forward, the two side links 97 will rotate relative to each other with the pivot 94 as an axis, thereby driving the two clamp arms 91 to rotate together, so that the two clamping portions 95 are separated to clamp the sewing or The embroidery (hereinafter referred to as the clamped object 85); when the intermediate link 97 is released, due to the elastic force of the torsion spring 93, the link group 92 and the second clamp arm 91 will rotate in the opposite direction to close the two clamping portions 95. While the object to be clamped 85 is clamped, the user can grasp the object 85 by hand and the needle 75 for sewing or embroidery work.

The use of the link set 92 to convey the motion enables the two clamp arms 91 to rotate with each other to open and close the two clamping portions 95, but the link set 92 requires an intermediate link 96 and two side links 97 to borrow three pins (not The symbol of the component is connected to the two clamp arms 91. As a result, the number of parts and joints is large, which is unfavorable for manufacturing, and the production cost is relatively high.

This creation is to solve the above problems, and its purpose is to provide a universal clamp with a simple structure, which can minimize parts, thereby improving production efficiency, reducing manufacturing costs, and promoting consumers' willingness to purchase.

Another object of the present invention is to provide a universal clip which can be used as an auxiliary jig for hand sewing and embroidery, or as a general clothes peg, folder or the like.

The utility model realizes the universal clamp of the present invention, comprising two clamp arms pivotally connected to each other through a pivotal face, the clamp arm has a clamping portion formed on the inner side of the front end, and an arc-shaped sliding groove on the rear inner side; and a sliding member a shaft portion having two separate shafts respectively assembled in the two sliding grooves to keep the sliding member between the two clamping arms and sliding back and forth; wherein the two clamping arms are pivoted with the sliding member to advance or retreat The axes rotate with each other so that the axes rotate The two clamping portions are opened or closed.

In another embodiment, the slider further includes a rope hole disposed at an end thereof for connecting a rope, and the other end of the rope is coupled to a table side clip or a hook member.

In another embodiment, the slider further includes a hook extending integrally from the distal end thereof for suspension from a crossbar or wall hook.

In another embodiment, the universal clip further includes a torsion spring that acts as a torsion force, the torsion spring is assembled to the pivot shaft, and the two load bearing arms are respectively supported on the inner side of the two clamp arms to transmit the The elastic force of the torsion spring causes the two clamp arms to have tension and synchronous rotation, and the two clamping portions are kept in a normally closed state.

In another embodiment, the universal clamp further includes a compression spring that acts as a compressive force, and one end of the compression spring is supported on a positioning member assembled on the pivot shaft, and the other end is supported on the sliding member. The central positioning portion maintains the slider at the bottom dead center by the elastic force transmitted through the compression spring, and maintains the two clamping portions in a normally closed state and ensures that the two clamping arms can rotate synchronously.

In another embodiment, the universal clamp further includes a compression spring that acts as a compressive force, and the two compression springs are respectively assembled in the two sliding slots, and one end of the compression spring is supported before being formed in the sliding slot. a positioning portion of the groove wall, the other end of which supports a positioning portion formed in front of the shaft portion to maintain the sliding member normally at the bottom dead center through the elastic force of the two compression springs, and maintain the two clamping portions Closed state and ensure that the two clamp arms can rotate synchronously.

The effect of this creation against the prior art is that the design of the sliders being held back and forth between the two clamp arms allows the two gripping portions to be separated or closed as the slider advances or retreats. Since the use of a small number of parts, and the slider and the clamp arm are not connected by a loan, the assembly is easy and the production cost can be effectively reduced. In addition, After a slight change, it can also be used as a general fixture to hold items such as clothes and documents.

The detailed technical contents and other objects and features of the present invention can be fully understood by referring to the following description of embodiments with reference to the accompanying drawings.

10,10a,10b,10c,10d,10e‧‧

20‧‧‧ clip arm

21‧‧‧ hinges

22‧‧‧Axis hole

23‧‧‧ pivot

24‧‧‧ gripping department

25‧‧‧Chute

26‧‧‧ Positioning parts

27‧‧‧ Positioning Department

30, 30e‧‧‧Sliding parts

31‧‧‧Axis

32‧‧‧rope hole

33‧‧‧ Positioning Department

34‧‧‧ Positioning Department

35‧‧‧ hook

40‧‧‧ Torsion spring

41‧‧‧Loading arm

45‧‧‧Compression spring

50‧‧‧Compression spring

55‧‧‧Hooks

60‧‧‧crossbar

65‧‧‧Table

70‧‧‧ rope

75‧‧‧ needle

80‧‧‧table clip

85‧‧‧Clamped objects

90‧‧‧Auxiliary fixture

91‧‧‧ clip arm

92‧‧‧ linkage group

93‧‧‧ Torsion spring

94‧‧‧ pivot

95‧‧‧Clamping Department

96‧‧‧Intermediate link

97‧‧‧ Side Link

98‧‧‧ Guide hole

99‧‧‧rope hole

Fig. 1 is a schematic view showing the state of use of the conventional auxiliary jig (third hand).

Fig. 2 is an external view of the first embodiment of the creation universal clip when it is closed.

Fig. 3 is a cross-sectional view showing the open state of the first embodiment of the creation.

Fig. 4 is an exploded view of the first embodiment of the creation.

Fig. 5 is a schematic view showing the state of use of the first embodiment of the creation.

Figure 6 is a cross-sectional view showing a second embodiment of the creation.

Figure 7 is a cross-sectional view showing a third embodiment of the creation.

Figure 8 is a cross-sectional view showing a fourth embodiment of the creation.

Figure 9 is an external view of the fifth embodiment of the creation.

Figure 10 is an external view of the sixth embodiment of the present invention.

Fig. 2 is the appearance of the creation universal clip 10 when it is closed, Fig. 3 is a section when it is opened, and Fig. 4 is its component exploded state, which can explain the technical content of the creation. The universal clip 10 is composed of a two-clamp arm 20 and a slider 30. Wherein: the clamping arm 20 has an outer shape substantially arc-shaped, and a pair of hinges 21 extend inwardly of the front side of the two clamping arms 20, wherein the spacing of the pair of hinges 21 is greater than the spacing of the other pair of hinges 21, so that the spacing The smaller two hinges 21 can be inserted between the two hinges 21 having a larger spacing, and the hinges 21 each have a shaft hole 22 in the same axis. A pivot shaft 23 is assembled to pivotally connect the two inwardly bent clamp arms 20 to each other by the pivot shaft 23 so that the two clamp arms 20 can pivot relative to each other with the pivot shaft 23 as an axis. Other designs that can articulate the two clamp arms 20 to one another are also contemplated and are not limited by the embodiments shown in the drawings. The clamping arm 20 further includes a clamping portion 24 formed on the inner side of the front end, and the surface of the clamping portion 24 is formed in a zigzag shape to increase the clamping portion 24 and the sewing or embroidery (as shown in FIG. 5, hereinafter The friction between the clamped objects 85) to achieve the desired clamping effect. Further, the rear inner side of the clamp arm 20 has an arcuate chute 25, and its action will be described later and temporarily indicated.

The slider 30 has a substantially Y-shaped outer shape, and the two bifurcated ends respectively form a shaft portion 31. The two shaft portions 31 are respectively assembled in the arc-shaped sliding grooves 25 of the two clamping arms 20, so that the sliding member 30 can pass through two. The movement of the shaft portion 31 in the two sliding grooves 25 is maintained between the two clamping arms 20 to slide back and forth, so that the two clamping arms 20 can rotate with each other with the pivot 23 as the sliding member 30 slides, thereby The two clamping portions 24 are separated or closed to release or clamp the clamped object 85. The slider 30 further includes a rope hole 32 formed at the end for connecting a rope 70.

As shown in Fig. 5, when the universal clip 10 is used as the third hand for hand sewing or embroidery work, it is used in the same manner as the conventional technique, and needs to be used with a rope 70 and a table side clip 80, that is, the rope 70 is used. One end is attached to the rope hole 32 of the slider 30, and the other end is connected to the table side clip 80, and then the slider 30 is pushed forward by hand. At this time, the two clamp arms 20 will rotate with each other with the pivot 23 as an axis, so that the two clips The holding portion 24 is separated to clamp the clamped object 85, and then the sliding member 30 is pushed backward. At this time, the two clamping arms 20 are reversely rotated to close the two clamping portions 24 to clamp the clamped object 85, so that the user The workpiece 85 can be grasped by hand, and the needle 75 can be used for sewing or embroidery work.

In order to enable the two clamp arms 20 to rotate synchronously, at the same time have tension and make two The grip portion 24 is maintained in a normally closed state. Therefore, in the preferred embodiment, the universal clamp 10 can be further used in conjunction with a torsion spring 40 that acts as a torsional force to form a spring universal clamp 10a as shown in FIG. The torsion spring 40 is assembled to the pivot shaft 23, and the two load-bearing arms 41 are respectively supported on the inner side of the two-clamping arm 20 to provide tension between the two-clamping arm 20 by the elastic force of the torsion spring 40, and to keep the two clamping portions 24 Normally closed state and ensure that the two clamp arms 20 can rotate synchronously.

Fig. 7 shows the appearance of a universal clip 10b similar to Fig. 6. The universal clip 10b disclosed in the embodiment replaces the torsion spring 40 with a compression spring 45 that acts as a compressive force. One end of the compression spring 45 is supported by a positioning member 26 assembled on the pivot 23, and the other end is supported at A positioning portion 33 formed at the center of the slider 30 is configured such that the elastic member of the compression spring 45 can maintain the slider 30 normally at the bottom dead center, and the two clamping portions 24 are maintained in a normally closed state, and the two clamping arms 20 are secured. It can be rotated synchronously.

Figure 8 is another embodiment of a compression spring. The universal clip 10c disclosed in this embodiment uses two compression springs 50. Each spring 50 is assembled in a sliding slot 25 of a clamping arm 20, one end of which supports a positioning portion 27 formed on the front groove wall of the sliding slot 25, and One end supports the positioning portion 34 formed in front of the shaft portion 31, and thus the same effect as that of the embodiment of Fig. 7 can be achieved. The positioning portions 27, 33, 34 may be a cylinder or a column.

In addition, the above-mentioned universal clips 10, 10a, 10b, 10c can also be made into other types of jigs, such as clothespins, folders, etc., for slightly holding items such as clothes, documents, and the like. FIG. 9 shows an embodiment used as a clothes peg. The difference between the universal clip 10d disclosed in this embodiment and the above embodiment is that the table side clip 80 connected to the other end of the rope 70 is replaced with a hook member 55. The universal clamp 10d can be directly penetrated The hook member 55 is suspended from a cross bar 60 or a wall hook (not shown) for holding the clothes (not shown). Due to the relationship of gravity, the greater the weight of the clothes, the greater the clamping force generated by the universal clip 10d.

Moreover, the present creation is not limited to the above embodiment, and may be other different types. Fig. 10 shows another different type of universal clip 10e of the present invention. The universal clip 10e differs from the previous embodiment in that the slider 30e includes a hook portion 35 integrally formed from the end thereof for hanging in a horizontal direction. The rod 60 or the wall hook (not shown), the universal clip 10e thus formed can also be used as a clothespin, a folder or the like. In the present embodiment, the above-mentioned rope hole 32 is no longer required.

In order to simplify the description, the same portions of the above-described embodiments are denoted by the same reference numerals, and the description of the first embodiment is also applicable to other embodiments and will not be described again.

Of course, the above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation using the contents of the present specification and the drawings may be directly or indirectly applied to Other related technical fields are included in the scope of patent protection of this creation.

10‧‧‧ million clamps

20‧‧‧ clip arm

21‧‧‧ hinges

23‧‧‧ pivot

24‧‧‧ gripping department

25‧‧‧Chute

30‧‧‧Sliding parts

31‧‧‧Axis

32‧‧‧rope hole

Claims (6)

The utility model relates to a universal clamp, comprising: two clamping arms pivotally connected to each other through a pivot surface, a clamping portion is formed on the inner side of the front end of the clamping arm, an arc-shaped sliding groove is formed on the inner side of the rear side, and a sliding member has two Separate shaft portions are respectively assembled in the two sliding grooves, so that the sliding member is held between the two clamping arms to slide back and forth; wherein the two clamping arms are pivoted with the pivot as the sliding member advances or retreats The hearts rotate with each other to open or close the two clamping portions. A universal clip according to claim 1, wherein the slider further comprises a rope hole provided at an end thereof for connecting a rope, and the other end of the rope is connected to a table side clip or a hook member. The universal clip of claim 1, wherein the slider further comprises a hook integrally formed from a distal end thereof. The universal clip according to claim 1, 2 or 3, further comprising a torsion spring acting as a torsion force, the torsion spring being assembled to the pivot shaft, wherein the two load bearing arms are respectively supported on the inner side of the two clamp arms . The universal clip according to claim 1, 2 or 3, further comprising a compression spring acting as a compression force, one end of the compression spring being supported on a positioning member assembled on the pivot shaft, and the other end supported in a formation a positioning portion in the center of the slider. The universal clip according to claim 1, 2 or 3, further comprising a compression spring in which two compression forces are generated, the two compression springs being respectively assembled in the two sliding grooves, one end of the compression spring being supported on a The positioning portion of the front groove wall of the chute supports the positioning portion formed in front of the shaft portion at the other end.