Adjustable limit mechanism and fixing device

Abstract

An adjustable limiting mechanism and a fixing device, the fixing device includes two adjustable limiting mechanisms, the adjustable limiting mechanisms are suitable for being installed on a loading structure in an adjustable position, and include a first clamping structure, a second clamping structure that can pivot relative to the first clamping structure, and an elastic member. The first clamping structure is penetrated to form a first clamping hole suitable for the loading structure to extend through. The second clamping structure is penetrated to form a second clamping hole corresponding to the first clamping hole, the size of the second clamping hole is different from the first clamping hole, and the second clamping hole is suitable for the loading structure to extend through together with the first clamping hole. The elastic member is connected to the first clamping structure and the second clamping structure, and provides an elastic force to allow the second clamping structure to pivot in a direction away from the first clamping structure, so that a part of the hole edge of the second clamping hole is clamped on the loading structure. The adjustable limiting mechanism is easy to use and has a simple structure, which is conducive to cost control and maintenance and parts replacement operations.

Description

Technical Field

[0001] The invention relates to a limiting mechanism and a fixing device, and in particular to an adjustable limiting mechanism suitable for various production processes. Background Art

[0002] In the manufacturing process of printed circuit boards and other products, a specific clamping and fixing mechanism is usually used to clamp the product to facilitate the process. However, due to the different size specifications of various products, the clamping and fixing mechanism often needs to be adjusted during the process to allow the manufacturing process to proceed smoothly. The general clamping and fixing mechanism is usually implemented by a complex mechanism configuration, which will increase the cost, be inconvenient to use, and is not conducive to the maintenance, replacement of parts and other procedures. Summary of the invention

[0003] The object of the present invention is to provide an adjustable limiting mechanism which can solve the above-mentioned problems.

[0004] The adjustable limiting mechanism of the present invention is suitable for being installed on a loading structure in an adjustable position, and comprises a first clamping structure, a second clamping structure and an elastic member. The first clamping structure is penetrated to form a first clamping hole, and the first clamping hole is suitable for allowing the loading structure to extend through. One side of the second clamping structure is pivotally connected to the first clamping structure, so that the second clamping structure can pivot relative to the first clamping structure. The second clamping structure is penetrated to form a second clamping hole corresponding to the first clamping hole, the size of the second clamping hole is different from the first clamping hole, and the second clamping hole is suitable for allowing the loading structure to extend through together with the first clamping hole. The elastic member is connected to the first clamping structure and the second clamping structure, and provides an elastic force to allow the second clamping structure to pivot in a direction away from the first clamping structure, so that a part of the hole edge of the second clamping hole is clamped on the loading structure.

[0005] In some embodiments, the second clamping structure includes a pivotal portion pivotally connected to the first clamping structure, and a pressing portion located on two opposite sides of the pivotal portion from the second clamping hole, wherein the pressing portion is suitable for being pressed by a device so that the second clamping structure can overcome the elastic force of the elastic member and pivot toward the direction close to the first clamping structure, so that the edge of the second clamping hole is not stuck to the loading structure.

[0006] In some implementations, a hole cross-sectional size of the first clamping hole is larger than a cross-sectional size of the loading structure, and a hole cross-sectional size of the second clamping hole is larger than a hole cross-sectional size of the first clamping hole.

[0007] In some implementations, the first clamping hole and the second clamping hole are of the same shape.

[0008] In some implementations, the first clamping hole and the second clamping hole are of different shapes.

[0009] In some implementations, the shapes of the first clamping hole and the second clamping hole are selected from one of a circle and a polygon.

[0010] In some embodiments, the adjustable limiting mechanism further includes a supporting structure protruding from the inner side of one of the first clamping structure and the second clamping structure toward the other of the first clamping structure and the second clamping structure, and the supporting structure will support between the first clamping structure and the second clamping structure after the second clamping structure pivots toward the direction close to the first clamping structure, so that the second clamping structure cannot continue to pivot toward the first clamping structure.

[0011] In some implementations, the supporting structure protrudes from the inner side of the second locking structure toward the first locking structure.

[0012] In some implementations, the elastic member is a torsion spring disposed at a pivot point between the first clamping structure and the second clamping structure and having two ends respectively connected to the first clamping structure and the second clamping structure.

[0013] The fixing device of the present invention is suitable for being installed on a loading structure in an adjustable position, and comprises two adjustable limiting mechanisms as mentioned above, wherein the adjustable limiting mechanisms are arranged in a mirror-symmetrical manner with the first clamping structure adjacent thereto.

[0014] The beneficial effect of the present invention is that: by configuring the size of the first clamping hole of the first clamping structure and the second clamping hole of the second clamping structure, or further by the shape design of the first clamping hole and the second clamping hole, the first clamping structure and the second clamping structure can be driven by the elastic force of the elastic member, at least by the hole edge of the second clamping hole, to clamp on the loading structure, so as to achieve the effect of limiting. When necessary, the state of limiting clamping can be released by pressing the second clamping structure, which is not only convenient to use, but also has a simple structure, which is conducive to cost control and maintenance and parts replacement operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view illustrating an embodiment of the fixing device of the present invention;

[0016] Figure 2 yes Figure 1 Partial exploded view of

[0017] Figure 3is a three-dimensional diagram illustrating that the fixing device is installed on a loading structure and is in a locked state;

[0018] Figure 4 Is a corresponding Figure 3 The main view of

[0019] Figure 5 is along Figure 3 A partial cross-sectional view of line VV;

[0020] Figure 6 is similar Figure 3 , illustrating that the fixing device is in an unlocked state on the loading structure;

[0021] Figure 7 It corresponds to Figure 6 a front view of the

[0022] Figure 8 This is a partial cross-sectional view along line VIII-VIII of route 6. DETAILED DESCRIPTION

[0023] See also Figures 1 to 4 , is an embodiment of the fixing device of the present invention. The fixing device in this embodiment is taken as an example of two adjustable limiting mechanisms 100, and is suitable for being installed on a loading structure 101 in an adjustable position. In this embodiment, the top side of the fixing device can cooperate with a mechanism such as a clamp arm not drawn in the figure to provide a fixing effect for printed circuit boards of different sizes. The loading structure 101 in the figure is taken as an example of a rod-shaped structure, and the fixing device can slide on the loading structure 101 after the unlocking state is released to cooperate with printed circuit boards of different sizes for processing. The adjustable limiting mechanism 100 in this embodiment is implemented in a left-right mirror symmetric manner, and the two are connected by a mechanism not described in detail for coordinated use. According to different implementation forms, the fixing device can also be implemented by one or more adjustable limiting mechanisms 100 of any number, and the type of the loading structure 101 is not limited to a rod-shaped structure, and is therefore not limited to a specific implementation. In order to clearly illustrate the content of this embodiment, in the following description, the adjustable limiting mechanism 100 located on the right side of the drawing is mainly used for description.

[0024] See also Figures 2 to 5 Each adjustable limiting mechanism 100 includes a first clamping structure 1 , a second clamping structure 2 and an elastic member 3 .

[0025] The first clamping structure 1 is, for example, a plate-shaped structure made of metal material, and a first clamping hole 11 is formed through it. The first clamping hole 11 is suitable for the loading structure 101 to extend through. The second clamping structure 2 is, for example, a plate-shaped structure made of metal material, and one side (the top side in the figure) is pivotally connected to the first clamping structure 1, so that the second clamping structure 2 can pivot relative to the first clamping structure 1. The second clamping structure 2 is formed through it to form a second clamping hole 21 corresponding to the first clamping hole 11. The size of the second clamping hole 21 is different from that of the first clamping hole 11, and the second clamping hole 21 is suitable for the loading structure 101 to extend through it together with the first clamping hole 11. The elastic member 3 is connected to the first clamping structure 1 and the second clamping structure 2, and provides an elastic force for the second clamping structure 2 to pivot in a direction away from the first clamping structure 1, so that a portion of the hole edge of the second clamping hole 21 is clamped on the loading structure 101. Thereby, the hole edge of the second clamping hole 21 (such as Figure 5 The positive force and friction force formed by the locking contact between the adjustable limit mechanism 100 and the loading structure 101 can prevent the adjustable limit mechanism 100 and the loading structure 101 from moving relative to each other arbitrarily, so that Figures 3 to 5 The fixing device shown is set to a locked state so that the fixing device cannot move on the loading structure 101. Of course, according to the size design of the first clamping hole 11, in the locked state, the hole edge of the first clamping hole 11 can also be configured to be also clamped on the loading structure 101, so that the hole edges of the first clamping hole 11 and the second clamping hole 21 are both clamped on the loading structure 101, which can better ensure the fixing effect.

[0026] See also Figure 1 , 6 8, the second clamping structure 2 includes a pivoting portion 22 pivotally connected to the first clamping structure 1, and a pressing portion 23 located at two opposite sides of the second clamping hole 21 from the pivoting portion 22. The pressing portion 23 is suitable for being pressed by a device (not shown in the figure) so that the second clamping structure 2 can be Figures 6 to 8 As shown, the elastic force of the elastic member 3 is overcome and the first clamping structure 1 is pivoted to make the second clamping hole 21 and the first clamping hole 11 not be caught on the loading structure 101. In this way, the locking state of the fixing device can be released, so that the fixing device can be moved freely on the loading structure 101 to adjust the size of the printed circuit board to be processed.

[0027] See also Figures 1 to 3 , Figure 5In this embodiment, the hole cross-sectional size of the first clamping hole 11 is slightly larger than the cross-sectional size of the loading structure 101, and the hole cross-sectional size of the second clamping hole 21 is larger than the hole cross-sectional size of the first clamping hole 11. The first clamping hole 11 and the second clamping hole 21 are of the same shape, and their shapes can be selected from one of a circle, a square, or other polygons. In the figure, a square is used as an example, and the shapes of both are the same as the cross-sectional size of the loading structure 101. Since the hole cross-sectional size of the second clamping hole 21 is configured to be larger than the hole cross-sectional size of the first clamping hole 11, it is ensured that the second clamping structure 2 has a certain degree of activity space when pivoting, but can still provide a latching limit effect by the hole edge of the second clamping hole 21 when it is latched against the loading structure 101. In different implementations, the first clamping hole 11 and the second clamping hole 21 can also be of different shapes, as long as the hole edge of at least one of the two can be latched on the loading structure 101 in the locked state, the fixing effect can be played.

[0028] See also Figures 1 to 4 , the adjustable limiting mechanism 100 also includes a supporting structure 4 protruding from the inner side of one of the first clamping structure 1 and the second clamping structure 2 toward the other of the first clamping structure 1 and the second clamping structure 2. In this embodiment, the supporting structure 4 protrudes from the inner side of the second clamping structure 2 toward the first clamping structure 1. Thereby, after the second clamping structure 2 pivots toward the direction close to the first clamping structure 1, the supporting structure 4 will support between the first clamping structure 1 and the second clamping structure 2, so that the second clamping structure 2 cannot continue to pivot toward the first clamping structure 1. In this way, after the second clamping structure 2 is pressed toward the direction of the first clamping structure 1, the supporting structure 4 can provide a supporting effect between the first clamping structure 1 and the second clamping structure 2, so as to prevent the second clamping structure 2 from being over-pressed, thereby providing a structural protection function. In addition, in this embodiment, the elastic member 3 is a torsion spring disposed at the pivotal position of the first clamping structure 1 and the second clamping structure 2 and having two ends respectively connected to the first clamping structure 1 and the second clamping structure 2, so as to provide the elastic force required to maintain the locking state of the fixing device and the adjustable limiting mechanism 100. However, the elastic member 3 may also be a member other than a torsion spring as required, and is not limited to the disclosure of this embodiment.

[0029] In summary, the fixing device of the present invention can achieve the effect of limiting and fixing by configuring the size of the first clamping hole 11 of the first clamping structure 1 and the second clamping hole 21 of the second clamping structure 2, or further by the shape design of the two, so that the first clamping structure 1 and the second clamping structure 2 are driven by the elastic force of the elastic member 3, at least by the hole edge of the second clamping hole 21, and can be clamped on the loading structure 101. When necessary, the locking state can be released by pressing the second clamping structure 2, which is not only simple in operation, but also simple in structure, which is conducive to cost control and maintenance and parts replacement operations. Therefore, the fixing device and adjustable limiting mechanism 100 of the present invention can indeed achieve the purpose of the present invention.

Claims

1. An adjustable limiter mechanism, suitable for being mounted on a loading structure in an adjustable position, characterized in that: The adjustable limiting mechanism comprises: A first clamping structure is formed through the first clamping hole, wherein the first clamping hole is suitable for the loading structure to pass through; a second clamping structure, one side of which is pivotally connected to the first clamping structure so that the second clamping structure can pivot relative to the first clamping structure, the second clamping structure penetrates to form a second clamping hole corresponding to the first clamping hole, the size of the second clamping hole is different from that of the first clamping hole, and the second clamping hole is suitable for allowing the loading structure to extend together with the first clamping hole; and The elastic member is connected to the first clamping structure and the second clamping structure, and provides an elastic force for the second clamping structure to pivot away from the first clamping structure, so that a portion of the edge of the second clamping hole is clamped on the loading structure. Among them, the second clamping structure includes a pivoting portion pivotally connected to the first clamping structure, and a pressing portion located on two opposite sides of the pivoting portion from the second clamping hole, and the pressing portion is suitable for being pressed by a device so that the second clamping structure can overcome the elastic force of the elastic member and pivot in a direction close to the first clamping structure, so that the edge of the second clamping hole is not stuck on the loading structure.

2. The adjustable limiting mechanism according to claim 1, characterized in that: The cross-sectional size of the first clamping hole is larger than the cross-sectional size of the loading structure, and the cross-sectional size of the second clamping hole is larger than the cross-sectional size of the first clamping hole.

3. The adjustable limiting mechanism according to claim 2, characterized in that: The first clamping hole and the second clamping hole have the same shape.

4. The adjustable limiting mechanism according to claim 2, characterized in that: The first clamping hole and the second clamping hole are in different shapes.

5. The adjustable limiting mechanism according to claim 3 or 4, characterized in that: The shapes of the first clamping hole and the second clamping hole are selected from one of a circle and a polygon.

6. The adjustable limiting mechanism according to claim 1, characterized in that: The adjustable limiting mechanism also includes a supporting structure protruding from the inner side of one of the first clamping structure and the second clamping structure toward the other of the first clamping structure and the second clamping structure. After the second clamping structure pivots toward the direction close to the first clamping structure, the supporting structure will support between the first clamping structure and the second clamping structure, so that the second clamping structure cannot continue to pivot toward the first clamping structure.

7. The adjustable limiting mechanism according to claim 6, characterized in that: The supporting structure protrudes from the inner side of the second clamping structure toward the first clamping structure.

8. The adjustable limiting mechanism according to claim 1, characterized in that: The elastic member is a torsion spring disposed at the pivotal position of the first clamping structure and the second clamping structure, and the two ends of the elastic member are respectively connected to the first clamping structure and the second clamping structure.

9. A fixing device, suitable for being mounted on a loading structure in an adjustable position, characterized in that: The fixing device comprises two adjustable limiting mechanisms according to claim 1, and the adjustable limiting mechanisms are arranged in a mirror-symmetrical manner with respect to the first clamping structures adjacent thereto.

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