TWM574968U - Spring plate based clip structure - Google Patents

Abstract

A leaf spring type clamp structure mainly comprises a first pressure plate, a second pressure plate and a returning elastic element, wherein the first side plate has a plurality of first side plates on two long sides, and each of the first side plates is provided with a first axis a second hole plate having a plurality of second side plates on the two sides of the second platen, wherein the second side plate is respectively provided with a second axial hole, each of the second plate The second axial hole corresponds to the position of the first axial hole. The return elastic element is disposed between the first pressure plate and the second pressure plate. The return elastic element has a positioning portion, and the two ends of the positioning portion respectively extend a reset branch An arm, a bending portion is formed between each of the reset arms and the positioning portion, and the bending elastic portion causes a stress discontinuity effect on the return elastic member to cause the return elastic member to generate a larger elastic force.

Description

Leaf spring clamp structure

The present invention relates to a jig, and more particularly to a leaf spring type jig structure for sandwiching an object.

In order to identify personnel and access control management, the general company line number will be issued to the employee identification card for identification, and for the convenience of matching, it will be matched with the identification sleeve and the fixed fixture to facilitate the employee to hang on the clothing for identification.

a common linear torsion spring structure, the structure comprising a first clip, a second clip, a pivot and a torsion spring, and a spring force is generated through a torsion spring disposed between the clips to enable the The first clip and the second clip generate an opening cooperation, so that the first clip and the second clip generate a clamping force to fix the clamped article; however, due to the elastic force of the torsion spring, slack is easily generated, causing elastic force Disappeared, the recovery tension becomes lower.

In the following conventional techniques, in order to improve the aforementioned structural problem, the torsion spring is changed to the elastic structure, and is also disposed between the first clip and the second clip, so that the elastic force can exist for a long time; however, the elastic force of the elastic structure If the arm is too long, the shrapnel will have a smooth camber and a portion close to the parallel segment, resulting in low stress intensity. After the deformation, the force point is displaced to the center point, causing the stress to be too dispersed, resulting in insufficient elastic tension and insufficient deficiencies. The problem that this artist wants to solve.

In view of the above-mentioned shortcomings, the main purpose of the present invention is to provide a leaf spring type clamp structure which is arranged on the reset elastic element in the structure, and a reset structure at both ends forms a curved structure, and the structure of the reset elastic element is generated. The discontinuous surface condition makes the resulting elastic force stronger, while increasing the stress intensity and increasing the recovery tension.

In order to achieve the above object, the present invention mainly provides a leaf spring type clamp structure, which mainly comprises a first pressure plate, a second pressure plate and a return elastic element, wherein one of the first pressure plates has a plurality of short sides. The first side plate is outwardly extended on the two long sides of the first pressure plate, and a first shaft hole is disposed on the plate body of each of the first side plates, and the positions of the first axial holes are symmetrical. A first through hole is disposed on the other end of the first pressure plate adjacent to the short side plate body, and a first opening is disposed at a position around the first through hole ring and adjacent to the short side edge; the second pressure plate system Corresponding to the first pressure plate, and corresponding to the shape of the first pressure plate, the plurality of second side plates are outwardly extended on the two long sides of the second pressure plate, and the relative distances of the second side plates are slightly larger than The relative distance of the first side plates is such that the first pressure plate and the second pressure plate are closely combined with each other, and a second axial hole and a second axis are respectively disposed on the plates of the second side plates. The heart hole corresponds to the position of the first axial hole; in the second a second through hole is disposed on the other end of the board adjacent to the short side plate body, and a second latch is disposed at a position around the second through hole ring adjacent to the short side edge; and the reset elastic element is provided The reset elastic member has a positioning portion, and the positioning portion has a ring shape, and a reset arm extends from each end of the positioning portion, and each reset arm and the positioning are respectively disposed between the first pressure plate and the second pressure plate. A curved portion is further formed between the portions, each of the curved portions is bent toward the axial direction of the positioning portion, and each of the resetting arms has an opening, and each of the reset arms is respectively attached to the first pressure plate. And the inner surface of the second pressure plate, and when the openings correspond to the first through hole and the second through hole, the edge of each opening ring is just stuck in the first card And a second latch; finally, an axial center is disposed on the second axial hole and the first axial hole to fix the relative positions of the first pressure plate, the second pressure plate and the return elastic member.

The above and other objects, features and advantages of the present invention will become more apparent and understood.

1‧‧‧First platen

11‧‧‧Sawtooth

12‧‧‧First side panel

121‧‧‧First shaft hole

13‧‧‧ first through hole

131‧‧‧First card

14‧‧‧Baffle

2‧‧‧Second platen

21‧‧‧ second side panel

211‧‧‧Second axis hole

22‧‧‧Second through hole

221‧‧‧Second card

23‧‧‧Baffle

3‧‧‧Reset elastic element

31‧‧‧ Positioning Department

32‧‧‧Reset arm

321‧‧‧Opening

33‧‧‧Bend

34‧‧‧篓口

4‧‧‧Axis

The first picture is a perspective view of the creation.

The second figure is an exploded view of the three-dimensional structure of the creation.

The third figure is a cross-sectional view of a part of the structure of the creation.

The fourth picture is the schematic diagram of the operation of the creation (1).

The fifth picture is the schematic diagram of the operation of the creation (2).

The sixth figure is a three-dimensional structure diagram of another embodiment of the creation.

Please refer to the first figure and the second figure, which are the perspective view of the creation and the exploded view of the three-dimensional structure. As shown in the figure, the leaf spring type clamp structure of the present invention mainly comprises a first pressure plate 1, a second pressure plate 2 and a reset elastic member 3, wherein the first pressure plate 1 is an elongated plate body, the first The short side of one of the pressure plate 1 has a plurality of serrations 11 and may be flat, forming a resistance end, and the tip end direction of the serrations 11 is perpendicular to the plate body of the first pressure plate 1, the first pressure plate A plurality of first side plates 12 are outwardly extended on the two sides of the first side plate 12, and the first side plates 12 are identical in shape and symmetrical to each other. A first axial hole 121 is defined in the plate body of each of the first side plates 12, The positions of the first axial holes 121 are relatively symmetrical. A first through hole 13 is defined in the other end of the first pressure plate 1 adjacent to the short side plate body. There is a first cassette 131 at the side of the side, In the embodiment, the first cassette 131 is a unidirectional cassette having a slope, and a baffle 14 is formed on the short side of the other end of the first plate 1 to provide structural reinforcement.

Continue to see the second picture. The second pressure plate 2 is combined with the first pressure plate 1 , and the second pressure plate 2 is an elongated plate body and is equivalent to the shape of the first pressure plate 1 on the two long sides of the second pressure plate 2 . Extending the plurality of second side panels 21, the second side panels 21 are identical in shape and symmetrical to each other, and the relative distances of the second side panels 21 are slightly larger than the relative distances of the first side panels 12, so that the first When the pressure plate 1 and the second pressure plate 2 are combined, the second side plates 21 are closely overlapped with the first side plate 12, and a second axial hole 211 is respectively disposed on the plates of the second side plates 21. The second axial hole 211 corresponds to the position of the first axial hole 121 after the second side plate 21 and the first side plate 12 are closely overlapped with each other; and the other end of the second pressure plate 2 is adjacent to the short side. A second through hole 22 is defined in the side of the second through hole 22 and adjacent to the short side of the second through hole 22, and the second card 221 is in the embodiment. A unidirectional cassette having a slope is formed, and a baffle 23 is formed on the short side of the other end of the second platen 2.

Continue to see the second picture. The return elastic element 3 is disposed between the first pressure plate 1 and the second pressure plate 2, wherein the return elastic element 3 is a continuous elastic piece, and the return elastic element 3 has a positioning portion 31, the positioning The portion 31 is in the shape of a ring, and a reset arm 32 extends from each end of the positioning portion 31. A bent portion 33 is formed between each of the reset arm 32 and the positioning portion 31, and each bent portion 33 is oriented toward the positioning portion. The axial direction of the 31 is bent. As shown in a partial cross-sectional view of the third figure, the bending of the curved portion 33 causes the reset arms 32 at the two ends to form a large angle, and the reset arms 32 are further Each of the resetting arms 32 is respectively attached to the first platen 1 and the first platen 1 and the second platen 2 are respectively coupled to the first platen 1 and the second platen 2 The inner surface of the second pressure plate 2, and each opening 321 corresponds to the first through hole 13 and the first When the second through hole 22 is formed, the ring edge of each of the opening holes 321 is locked to the first latch 131 and the second latch 221, so that the reset arms 32 of the reset elastic member 3 are fixed to the first pressure plate 1 and The inner surface of the second pressure plate 2, at the same time, the edges of the reset arms 32 are just below the baffles 14, 23 to prevent the return elastic member 3 from being ejected outwardly by force; finally, in the second A shaft center 4 is disposed on the shaft hole 211 and the first shaft hole 121. The shaft core 4 penetrates from the second shaft hole 211 and the first shaft hole 121 on one side, and then passes through the positioning. The portion 31 is connected to the second axial hole 211 on the other side and the first axial hole 121, thereby fixing the relative positions of the first pressure plate 1, the second pressure plate 2, and the return elastic member 3.

Please refer to the fourth and fifth figures, which are continuous illustrations of the operation diagram of this creation. As shown in the fourth figure, the leaf spring type clamp structure of the present invention is in an original state when not in use, and the first pressure plate 1 and the second pressure plate 2 are elastically stretched by the reset arm 32 of the return elastic member 3, so that the The ends of the plurality of serrations 11 of the first platen 1 are engaged on one end of the corresponding second platen 2; as indicated by the arrows in the fifth figure, the first platen 1 and the second platen 2 are pressed and applied, and a reaction force is applied thereto. The reset arms 32 cause the reset arms 32 to abut, and the extension structures of the reset arms 32 are affected by the interruption of the bending portion 33, so that the stress generated by the reaction force is affected by the bending portion 33. The truncation produces a discontinuous state, and only remains on each of the reset arms 32, so that the elastic force of the reset arm 32 is greater; when the force applied by the first platen 1 and the second platen 2 is removed, The first pressure plate 1 and the second pressure plate 2 are opened for cooperation, and the elastic force of the reset arms 32 pushes the first pressure plate 1 and the second pressure plate 2 back to the original state.

Please refer to the sixth drawing, which is a perspective structural view of another embodiment of the present invention. As shown in the figure, a mouth 34 is formed at a central position of the sheet of the return elastic member 3, and the mouth 34 extends from a central position of the positioning portion 31 to a position of the bending portion 33, and the mouth 34 breaks the Resetting the continuous structure of the elastic member 3, reducing the deformation amount of the area, and applying a force to each angle is relatively uniform. The stress generated on the return elastic member 3 is discontinuous, so that the elastic tension generated by the return elastic member 3 is soft.

However, the embodiments described above are preferred embodiments. When the scope of the creation of the invention cannot be limited, the equivalent changes or modifications made in accordance with the scope of the patent application and the contents of the specification should belong to the following creations. The scope of patent coverage.

Claims (8)

A leaf spring type clamp structure includes: a first pressure plate, which is an elongated plate body; the first side plate has two long side edges extending outwardly from the plurality of first side plates, and each of the first side plates is provided with a first a shaft hole, the first shaft hole positions are symmetrical, and a first through hole is disposed on the other end of the first pressure plate adjacent to the short side plate body, and is adjacent to the first through hole ring and adjacent to the short hole a first card is disposed at a position of the side; a second plate is correspondingly combined with the first plate, the body is identical in shape to the first plate, and is outwardly disposed on the two long sides of the second plate Extending the plurality of second side panels, and the relative distances of the second side panels are slightly larger than the relative distances of the first side panels, so that when the first pressure plate and the second pressure plate are correspondingly combined, the second side panels and the first side panels are closely spaced a second axial hole is disposed on each of the second side plates, and each of the second axial holes corresponds to the position of the first axial hole, and the other end of the second pressure plate is adjacent to the short side plate. a second through hole is provided around the second through hole ring and adjacent to the short side A resetting elastic element is disposed between the first pressure plate and the second pressure plate, and the reset elastic element has a positioning portion, and a reset arm is respectively extended at two ends of the positioning portion, and each reset Forming a curved portion between the arm and the positioning portion, each bent portion is bent toward the axial direction of the positioning portion, and each of the reset arms has an opening, and each opening corresponds to the first In the through hole and the second through hole, the ring edge of each opening is just engaged with the first and second latches; an axis, the second axis hole and the first axis of the axis from one side After the core hole is penetrated, the positioning portion is passed through to the second axial hole of the other side and the first axial hole, thereby fixing the relative positions of the first pressure plate, the second pressure plate and the return elastic member. . The leaf spring type clamp structure according to claim 1, wherein the first side plate and the second side plate are identical in shape and symmetrical to each other. The leaf spring type clamp structure according to claim 1, wherein a baffle is formed on the short side of the other end of the first pressure plate. The leaf spring type clamp structure according to claim 1, wherein a baffle is formed on the short side of the other end of the second pressure plate. The leaf spring type clamp structure according to claim 1, wherein the return elastic element is a continuous elastic sheet body. The leaf spring type clamp structure according to claim 1, wherein the positioning portion has a ring shape. The leaf spring type clamp structure according to claim 1, wherein a slit is formed at a central position of the sheet of the reset elastic member. The leaf spring type clamp structure according to claim 7, wherein the mouthpiece extends from a central position of the positioning portion to a bent portion position.