TWI224245B - Lid hinge device of the original draft - Google Patents

Abstract

A lid hinge device of the original draft is disclosed, the first link lever is pivotally connected to the second link lever and the base at the first pivotal shaft and the fourth pivotal shaft respectively. The third link lever is pivotally connected to the second link lever and the base at the second pivotal shaft and the third pivotal shaft respectively. Additionally, a spring is penetrated and installed on the first link lever, so that its elastic force acts on the second link lever and transmits to the base, the lid installed on the first link lever rebounds upward to open or presses down to close. The lid can also stop at some angles. Furthermore, the degree of tightness of the screw locked to the second pivotal shaft and the third pivotal shaft can be adjusted, so that the friction force among the link levers can be varied, and further vary the force-balancing position of the lid hinge device of the original draft, thereby it can be adjusted and is convenient.

Description

1224245

[Technical field to which the invention belongs] The present invention is a manuscript cover hinge device, which is used to make the cover spring up and open or press down to close, or to stand still at certain angles, and the angle of the cover's rest can be adjusted to facilitate User use. [Prior art] Generally, the original cover hinge device is mostly used on the photocopier and the cover opening or closing machine, and the cover can be pressed against the original to flatten the original on the machine. ^ As shown in the first figure, it is a conventional manuscript cover hinge device, which includes an outer cover 1 a, a compression spring yellow 2 a, a slide cover 3 a, an ejector pin 4 a, and a base 5 a. The upper end of 5 a is formed with a cam 6 a and a lower end protruding a plug 7 a, and a compression spring 2 a and a sliding sleeve 3 a are sleeved in the outer sleeve 1 a, and the outer sleeve 1 a and the sliding sleeve 3 a are sleeved. The compression spring 2a and the outer sleeve 丨 a are pivotally connected to the base 5a. The sliding sleeve 3a is fastened with a top pin 4a to abut the curved contour 8a of the cam 6a of the base 5a. The curved contour 8a of the cam 6a can control the movement stroke of the cover plate 9 assembled in the outer cover 1a, so as to open or close the cover plate 9 or stand still. However, the above-mentioned conventional manuscript cover hinge device uses the elastic force of the compression spring 2a to make the top pin 4a abut the cam 6a to open and close the cover 9 on the base 5a. Therefore, it has the following disadvantages ... 1. The conventional manuscript cover hinge device is actuated by the slide set 3a, the compression spring 2a, and the cam 5a, so the movement is less reliable, and the design and manufacture of the cam 5a is more difficult. Λ The original manuscript cover hinge device is controlled by the cam 5 a curve contour 8 & the cover 9 locked to the outer cover 1 a is moved, so the cover ^ is reversed 9

1224245 Case No. 91115258 丨 Λ Revision V. Description of the invention (2) Adjustable movement stroke 3. Conventional manuscript cover hinges and restrictions on the use of space to control movement strokes 4. Conventional manuscript cover hinges La and ejector pin 4a bear abrasion, so the reason for the increase is that the inventor is related to the product's related experience, and he has carefully applied the theory, and it is not high. The chain device requires a compression spring with a high elastic coefficient of 2 a and a cam 6 a, so the volume is large, so the use of the upper chain device uses the sliding kit 3 a to slide on the outer sleeve on the cam 6 a, so the cost of sliding between components and Reduce life. Based on these deficiencies and based on many years of manufacturing observation and research, they are dedicated to researching and cooperating with a variety of designs that are reasonable and effective to improve the main purpose of the deficiencies. The simple purpose is to slide the secondary purpose. The simple purpose is to install the hinge. The invention is based on the small size of the hinge device of another purpose and the static and purpose of the invention. [The invention of the hinge assembly machine changes the hinge assembly. The original hinge assembly is adjusted to the original content of the plate.] The obstacles and the invention of the invention, by making the invention of the invention, by the invention of the cover of the cover friction to open or close the invention, is for the mechanism to confirm the wear and tear, it is more for the linkage machine, for the advantages of the system For that, it borrows Liping angle. It is to provide a simple cover for the original document to ensure the operation of the mechanism is reliable and reduce. Provide a combination of an original cover structure that is easy to assemble and the spring operation method easy. Provide a smaller original cover to reduce the space limitation. Provide an adjustable cover rest angle. Adjust the tightness of the screws to balance the change in position. The adjustable cover provides an original that can easily replace components.

1224245

V. Description of the invention (3) Cover hinge device. By changing the length of the connecting rod, it is possible to adjust the force of opening or closing the cover and the angle of rest and pressure at different positions. According to the foregoing object of the invention, the present invention is a manuscript cover hinge device, which is composed of a link mechanism and a spring, and the link mechanism is composed of a first link, a second link, a third link, and a base. Make up. The first link system is pivotally connected to the first and fourth pivots with the second link and the base, and the remaining two link systems are pivoted to the second pivot and the second link and the base, respectively. A shaft and a third pin, and a spring is passed through the first pivot system, so that the torsion of the spring acts on the two links, and is transmitted to the base through the third link, so that the lock is connected to the first The cover of the connecting rod is popped up to open or press down to close, and can further make the cover reach a certain level to make the cover stand at a certain angle, and adjust the screw tightness of the second pivot axis and the third polar axis.俾 The friction between the connecting rods can be changed, and then the & force balance position 'can be changed to change the rest angle of the cover plate, and the angle at which the cover plate starts to spring up and opens or starts to press down and close also changes to make the original The cover-like chain device is more adjustable and convenient. 1 ^ In order for your examiner to better understand the features and technical contents of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings. However, the accompanying drawings are provided for reference and explanation only, and are not intended to add to the present invention ^ Limiter 0 [Embodiment] The original cover hinge device of the present invention, as shown in the second and third figures, is composed of a link mechanism 10 and a spring 30. Among them, the spring 〇 and a cover plate 9 are assembled on the link mechanism i 〇 (as shown in the fourth figure), and the original cover hinge device assembled by the group H is inserted into the machine table 5, and the cover can be made The plate 9 can be closed, opened or stopped by the hinge mechanism of the cover plate of the original document, and the bean can be transported.

1224245 _ Case No. 91115258: May V. Description of the invention (4) For machine 5. Please refer to the third to fifth figures. The link mechanism is composed of the first link # 11, the second link 12, the third link 13, and the base 14. The first link 11 is composed of a side portion 1 1 1 and two side plates 1 i 2 extending from the side portion 1 1 1 to lock the cover plate 9 (as shown in the sixth figure) to the two connections. The 'second link 1 2' on the side plate 11 2 is a top plate 1 2 and has two second link side plates 122 '. The second link 1 3 is a solid body, and the base 1 4 is a bottom plate 1 41, and has two base side plates 1 42, and the lower end surface of the bottom plate 1 41 is protruded by an insert rod 1 4 3 ', and each connecting rod is respectively provided with a shaft hole 20 for pivoting to each shaft rod. The side portion 1 1 1 of the first link 11 and the side plate 1 2 2 of the second link 11 are connected to the first pivot 15 and a c-ring is fastened to the end of the first pivot 15. 19 is used to make the first link 11 and the second link 12 securely pivotally connected to the first pivot 15, and the second link side plate 1 2 2 and the third link 13 are pivotally connected to the first The two pivots 1 β, and the ends of the second pivot 16 are locked with screws 2 1 to make the second link side plate 1 2 2 abut against the side of the adjacent third link 13. The friction force is generated, and the friction force is changed by adjusting the tightness of the screw 21, which is locked to the second pivot 16. The side plate 1 42 of the base is pivoted to the third link i 3 The pivot shaft 17 and the end of the third pivot shaft 17 are locked with screws 21 for abutting the side plate 42 of the base and the side of the adjacent third link 13 to generate friction, The frictional force is changed by adjusting the tightness of the screws 21, which are locked to the second pivot shaft 17. The side portion 11 of the first link 11 is pivotally connected to the side plate 42 of the base. A rod 18, and a c-shaped ring 19 is fastened to the end of the fourth shaft rod 18 for fixing the first connecting rod 11 and Block 14 is pivotally connected to the fourth link 18. In addition, the side portion 11 1 of the first company talent 11 is concave without a concave portion 1 1 3 and the top plate 1 2 1 of the second connecting rod 12 is convexly provided with a convex portion 1 2 3 and is inserted through the first pivot axis 5 The spring 3 〇 series can be twisted

1224245 Case No. 9Π15258Ⅰ • 93. V. Description of the invention (5) = 箦, the hook portion 31 of the spring 30 is abutted against the second 2 ^ 2, and the hook is hooked to the convex portion 123 of the top plate 121, and ^^ ... "The two meals of ^" were intercepted at the first-even: U3 to provide a torque to the connecting rod structure 10. Used for: As shown in Figures 6 and 7, when the original cover hinge device enables The angle between the base and the base 14 is more than 70 degrees ~ When the door is connected to the first connecting rod Π, the cover plate will pop up, (shown) 'At this time, lock the seventh figure ..., because it is * 30 In other words, the fully open state (such as 12 and the third link 13 are transmitted to the base u, and the two links of ten torsion are balanced, while the spring 3. The torsional force is also equal to the plate, to / open to the force one link Η And the friction between the base 14. The connecting rod 13 is respectively shown in the eighth == eight, when it is locked on the cover 9 of the flail, and the angle with the base 14 is 30 ~ 70 degrees The first η nVVL of this lock means that it is stationary at any angle, because the third link 13 has two f: Ϊ U friction and the cover plate 9's gravity and the spring 30 -2, 1 fif * force balance 'So you can also adjust the lock separately The screws 2 on the second pivot 16 and the fourth pivot 17 are used to adjust the frictional force between the connecting rods, so that the arbitrary stationary angle of the cover plate 9 locked to the first connecting rod u can be changed. When the cover plate 9 of a link 丨 丨 is opened and the included angle with the base 14 is 30 degrees or less, the cover plate locked to the first link 丨 丨 will be closed downward as shown in the ninth figure, It is used to generate a pressure on the original (not shown), and it is placed on the machine 5 of the photocopier flatly. This is because the elastic yellow 30 supporting the upward force of the cover plate 9 is transmitted through the second link 12 and the third link. 13 is transmitted to the base 14 and 1224245 Case No. 91115258 is revised _ V. Description of the invention (6):… acting on the base 14 with horizontal force, and its vertical force is not enough to overcome the cover 9 The gravity and the friction between the third link 1 3 and the second link 12 and the base 1 4 respectively. At this time, the cover 9 will be closed down on the machine 5 of the photocopier. Referring to the sixth figure, the length of the second link 12 and the third link 13 can be changed by replacing the second link 12 and the third link 13. One The cover 9 of the connecting rod 11 starts to pop up to the fully opened angle and starts to push down to the fully closed angle, and the associated change lock is connected to the first connecting rod 9 and the cover 9 is pushed down to the photocopying machine. The pressure of the table 5 can also adjust the tightness of the screws 2 1 of the second pivot 16 and the third pivot 17 respectively, for adjusting the third link 13 and the second link 12 and the base, respectively. The magnitude of the frictional force of 4 can achieve the function of changing the length of the second link, the second link, and the third link, and the third link. 又 Reposts 盍 Hinging device to avoid the failure of the miscellaneous mechanism and cover the hinge The advantages of the device are less factors of space limitation, replacement and adjustability, and the embodiment in which the spring and the plate can be arbitrarily stopped at the same angular position. The description and illustrations of the invention are not included in the scope of the present invention. It is known that the device can be operated by providing 'and the present invention can change the force range of the depression. This is limited to the content of the present invention, which is given by the "sliding wear and tear between the original components and Easy reassembly and smaller originals for different types of machines At the stage, the reduced original cover hinge device has a high degree of lock on the cover of the first link, and the cover 俾 can be further adjusted for user convenience. The above is only the scope of the preferred patents of the present invention. Therefore, all equivalent structural changes using the present invention are the same.

Page 10 1224245 Case No. 91115258; 93: ί 7 ,: Nian Peng 丨 said a simple explanation of the revised u- ~ ...- [Simplified illustration of the diagram] The first picture is a conventional manuscript cover The second picture is the manuscript of the present invention The third figure is the original cover of the present invention. The fourth figure is the original cover of the present invention. The fifth figure is the original sixth figure of the present invention. The eighth view of the equilibrium position is the schematic diagram of the locking and closing side of the present invention. The ninth diagram is the schematic side view of the closure of the present invention. [Description of the main component symbols] Known outer kit 1 a Compression spring 2a Slide kit 3a Top pin 4a base Seat 5a Cam 6a Latch 7a Side view of the hinge device Schematic view of the hinge plate Side view of the hinge device Stereo view of the hinge device Plate hinge device assembled on the machine The cover of the hinge device is pressed down. The exploded perspective view of the hinge device. The original cover is opened. The cover of the hinge device is started. The original cover is opened. The cover of the hinge device is opened to the view. The cover of the hinge device is started. Ming machine cover 9 5 1 0 link mechanism 11 side of the first link portion 111 connecting side plates 112 recess 113

Page 11 1224245 _ Case No. 91115258 〔Year Month Day Amendment Simple Explanation of Drawings Curve Contour 8 a Second Link 1 2 Cover Plate 9 Top Plate 1 2 1

Second link side plate 122 Convex 1 2 3 Third link 1 3 Base 1 4 Base plate 1 4 1 Base side plate 1 4 2 Insert rod 1 4 3 First stern shaft 1 5 Second pivot 1 6 Third pivot 1 7 Fourth pivot 1 8 C-ring 1 9 Shaft hole 2 0 Screw 2 1 Spring 30 Hook 31 Spring arm 32

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Claims (1)

1224245 Case No. 91115258 丨. Black '· _ 口 6. Patent application libraryϋ | ^ | ____ 1 · A manuscript cover hinge device, including: a link structure, including a first link, a second link A first link, a third link, and a base; the first link is pivotally connected to the first zone 1 axis; the second link and the third link are pivoted to the second pivot A shaft, the first link and the base are pivotally connected to a third pivot, the first link and the base are connected to a fourth pivot; and an elastic element is connected to the first link and It is placed on the first pivot axis and offsets the second link, so that the elastic force of the elastic element is transmitted to the base through the second link, so that the cover plate locked to the first link can be opened. , Closed or stationary. The original cover hinge device according to item 1 of the scope of patent application, wherein the lower end surface of the base is protruded by an insertion rod for inserting the original cover on the machine table. Separation set 3. The original cover hinge device as described in item i of the application, including a plurality of C-rings, which are fastened to the first pivot and the fourth vehicle. 4 · The original cover hinge device as described in item 3 of Shenjing's patent scope, the basin further includes: /, T compound, a concave portion, which is provided on the side of the first link; ^ = convex portion, A top plate provided on the second link; ^ a hook portion and a plurality of spring arms are provided on the torsion spring; The arm is embedded in a plurality of recesses, and the at least one hook portion is doubled to the second link, and the hook is latched to the at least one convex portion to increase the torque to the link structure. Page 13 1224245 _ Case No. 91115258 [Amendment of the date of the month _ 6. The scope of patent application 5. The original cover hinge device described in item 1 of the scope of patent application, which further includes: a plurality of second link side plates, Is extended on both sides of the second link and is pivotally connected to the third link on the second pivot; at least one screw is locked on an end of the second pivot to enable the The second link side plate and the third link abut against each other to generate a lifting force, and the tightness of the at least one screw can be further adjusted to adjust the friction force to be large / Jn 〇6. As described in item 1 of the scope of patent application Original cover hinge device, in which The method further includes: a plurality of side plates of the base, which extend on both sides of the base and are pivotally connected to the second light shaft with the third link, and at least one screw is locked to the end of the third pivot And a portion for causing the third link and the base to abut against each other to generate a friction force, and further adjusting the tightness of the at least one screw to adjust the friction force. 7. The original cover hinge device according to item 1 of the scope of patent application, wherein the elastic element is a torsion spring. Page 14