CN201034114Y - Multi-angle positioning pivot device - Google Patents

Abstract

The utility model is a multi-angle positioning hinge device, which includes a base frame fixedly arranged on the base of the cover lifting device, a support shaft fixedly arranged on the base frame, a pivot frame pivotally connected to the support shaft, a limit block and a positioning groove are formed on the pivot frame body, a limit piece corresponding to the limit block and the groove is arranged on the body, which can provide a limit and a specific fixed angle positioning, pivot pieces are formed on both sides of the body, a clutch connection portion is pivotally connected to one of the pivot pieces, a connection block is pivotally arranged on the other pivot piece, and the screen of the cover lifting device is fixedly arranged corresponding to the clutch connection portion and the connection block. The utility model has the advantages of providing the cover lifting device with biaxial pivoting and multiple operating angle selectivity through simple parts, and when the positioning clutch block is made of plastic material, it will not emit metal knocking or scratching noise during rotation.

Description

Multi-angle positioning hub

technical field

The utility model relates to a multi-angle positioning hinge, in particular to a hinge that utilizes a clutch assembly and a two-way pivot assembly to achieve multi-angle positioning.

Background technique

With the advancement of science and technology, the widespread use of cover devices makes many electronic devices easier to carry. Electronic devices equipped with cover devices are more common, such as notebook computers or translators, mobile phones, etc., and this type of cover device The device generally includes a base and a screen that can be opened and closed relative to the base, and a hinge device pivotally arranged between the base and the screen is used as an opening and closing mechanism.

In order to increase the practical convenience of the flip device, such as enabling the user to watch the screen of the flip device at more angles and positions, a concept of applying a two-way rotating shaft to the hinge device is also gradually Development, the hinge of the two-way hinge generally refers to the device that allows the cover device to rotate and open the screen relative to the base with one end as the pivot as the traditional hinge can achieve, and further allows the screen to correspond to the pivot point after opening Rotation further makes the application range of the hub wider, such as the technology used in digital video cameras and multi-view angles of digital cameras, all of which are more diverse and more practical.

However, most of the hinges with two-way rotating shafts are not easy to provide one or more positioning functions at specific angles between the opening of the flip device and the rotation after opening, so that when the user wants to stably use the camera at a special angle or operate other It may be inconvenient when it is functioning. Moreover, some hinges with positioning devices in the prior art are made of metal as the main material, so that it is easy to emit metal knocking and scratching sounds during positioning. It can also be considered as a deficiency.

Contents of the invention

In view of the aforementioned shortcomings of the prior art, the utility model is to design a hinge that utilizes a clutch assembly and a two-way pivot assembly to achieve multi-angle positioning.

In order to achieve the above purpose, the technical means adopted by the utility model is to design a multi-angle positioning hub, which includes:

a bottom frame, the two ends of which are respectively formed with a fixing part;

A shaft, one end of which is fixed on the base frame, and the other end is formed with a joint with a non-circular outer wall section;

A pivot frame, which includes a body, which is a fixed frame pivoted on the support shaft, and a circular pivot hole is formed through it, and the pivot hole is sleeved and pivotally connected to the end of the support shaft, The body is more concavely formed with a plurality of grooves on the upper surface adjacent to the pivot hole, and a limit block is formed protrudingly near the pivot hole. The two ends of the body are respectively bent to form a pivot perpendicular to the surface of the body. There is a circular pivot hole formed through the pivot piece at one end, and at least one limiting protrusion protrudes from the outer surface of the pivot piece adjacent to the pivot hole; another limiting piece is fixedly sleeved on the On the connecting end, it leans against the surface of the body, and the outer ring side edge of the limit piece protrudes outward in the radial direction to form a limit portion corresponding to the limit block on the body, and the limit piece is more on the end surface that contacts the body end A protruding block corresponding to the groove on the body is protruded; a washer is arranged on the limit piece, and a fixed piece is placed on the other end of the washer, and the fixed piece compresses the washer to compress it;

A clutch connection part, which is pivotally arranged on the pivot piece with a pivot hole on the pivot frame, and includes a connection part and a clutch part; one end of the connection part is a fixed end, and the other end leans against the corresponding pivot piece On the outer end face, the connection part is formed on the side edge of the outer ring of the abutment end with a limit part corresponding to the limit protrusion, and the connection part is extended on the abutment end surface to form a pivotable and correspondingly passed through the pivot piece The pivot shaft of the pivot hole has a non-circular cross-section; the clutch part is sleeved on the pivot shaft, which includes a fixed piece fixed on the extension end of the pivot shaft, and a set of springs on the pivot shaft. One end pushes against the fixed piece, and another set of movable clutch block fixed on the pivot is made of plastic material and one end pushes against the spring, and the other end protrudes axially to form a A plurality of protruding teeth are arranged at intervals in a ring shape. The two sides of the protruding teeth present a gradually widening slope from the top to the bottom. There is also a fixed clutch block that is pivotally sleeved on the pivot shaft and is made of plastic material. , and one end of it is pushed and fixed on the corresponding pivot piece, and the other end face is against the end face of the movable clutch block with protruding teeth, and protruding teeth are annularly distributed on the end face, and the two sides of the protruding teeth start from the top A slope that gradually widens toward the bottom and is correspondingly matched with the gap between two adjacent protruding teeth on the moving clutch block;

A connection block, one end of which is formed with a pivot end, which is vertically pivoted on the other pivot piece of the body of the pivot frame, and a fixed part is formed at the outer end of the connection block.

When the utility model is in use, the clutch joint and the joint block can be used to fix it on the screen, so that the screen can pivot relative to the base as an opening and closing action, and the pivoting action can use the limit part The two ends correspondingly abut against the limit projection to obtain a maximum limit. In addition, the number of teeth between the moving clutch block and the fixed clutch block can be further adjusted. The distribution of the angle of the teeth on the ring can achieve There is a stagnation function on different flip angles.

Furthermore, when the pivot frame pivots relative to the fulcrum, it can drive the screen to rotate relative to the base, and the rotation action can obtain a maximum limit through the cooperation of the limit part and the limit block, and the groove can be further used With the setting of the position and quantity of the bumps, it can control the screen to have a positioning function at the required fixed angle.

The aforementioned multi-angle positioning hinge can provide users with more options for operating angles when using the flip-top device through the cooperation of simpler parts. Furthermore, the two clutch blocks with positioning functions are made of plastic. When it is made of high-quality material, when the convex teeth engage with each other due to positioning during the rotation action, there will be no noise such as metal knocking or scratching in the positioning action in the prior art, so as to reduce the user's need for operation. Feeling unwell due to abnormal noise.

Brief description of the drawings

Fig. 1 is the exterior view of the assembly of the utility model.

Fig. 2 is an exploded view of the components of the utility model.

Fig. 3 is an exploded view of some components of the utility model.

Fig. 4 is the embodiment figure of the utility model.

Fig. 5 is a diagram of an embodiment of the screen closing of the flip device of the present invention.

Fig. 6 is a diagram of an embodiment of the screen opening of the cover flip device of the present invention.

FIG. 7 is a diagram of an embodiment of the flip device of the present invention with the screen not rotating.

FIG. 8 is a diagram of an embodiment of the flip device of the present invention after the screen is rotated.

Detailed ways

Please refer to FIG. 1 , the multi-angle positioning hinge device of the present invention includes a base frame 10 , a shaft 20 , a pivot frame 30 , a clutch joint 40 and a connecting block 50 .

Please refer further to Fig. 2-4, the aforesaid underframe 10 is a long frame block fixed on the base 61 of the cover device 60, and its two ends are respectively formed with a fixing part 11, and the fixing part 11 can be A connecting block with a perforated hole is used to connect and fix the fixed part 11 with the base 61 of the cover device 60 through the penetration of a screw, and a circular through hole 12 is formed on the bottom frame 10, and the two opposite sides of the through hole 12 are respectively penetrated. A non-circular connecting hole 13 is formed.

The above-mentioned support shaft 20 is a hollow straight pipe with one end fixed on the base frame 10 and one end extending out of the base 61 with two openings. The end is formed with two fixing feet 21 corresponding to the connection hole 13, the fixing feet 21 are fixed in the connection hole 13, and the fixing method can be to horizontally fold the extension part of the fixing foot 21 so that it can be clamped. On the surface of the bottom of the chassis 10, the support shaft 20 is formed at the other end with a joint end 22 whose outer wall section is non-circular and whose outer diameter is smaller than the outer diameter of the support shaft 20. A junction surface 23 is formed at the junction.

The aforementioned pivot frame 30 is pivotally mounted on the support shaft 20 , and includes a body 31 , a washer 32 , a limiting piece 33 , a washer 34 and a fixing piece 35 .

Please refer to FIG. 3 for further cooperation. The main body 31 is a long sheet-shaped fixing frame, and a circular pivot hole 311 is formed through it, and the pivot hole 311 is sleeved on the connecting end pivotally connected to the support shaft 20. 22, the body 31 is further formed with two opposite grooves 312 on the upper surface of the pivot hole 311 relative to the two sides of the body 31, and a stopper 313 protrudes near the pivot hole 311. , and a spacer hole 314 can be formed through one side of the limiting block 313, and a pivot piece 315 perpendicular to the surface of the body 31 is bent and formed at both ends of the body 31, and the pivot piece 315 at one end is formed through There is a circular pivot hole 316, and a limiting protrusion 317 protrudes from the outer surface of the pivot piece 315 adjacent to the pivot hole 316;

Please refer to FIGS. 1, 2, and 4. The gasket 32 is a ring-shaped piece that is pivotally sleeved on the connecting end 22, and it is arranged between the main body 31 and the connecting surface 23 to prevent the main body 31 from being damaged. friction, and it is extended to form a locking block 321 passing through the washer hole 314 , so that the locking block 321 forms a linkage relationship with the body 31 .

The limiting piece 33 is a piece fixedly sheathed on the connecting end 22, which abuts against the top of the body 31, and a perforation 331 matching the cross-sectional shape of the connecting end 22 is formed therethrough. The side edge of the ring protrudes outward in the radial direction to form a limit portion 332 corresponding to the limit block 313 on the body 31. The limit portion 332 can be a radial fan-shaped structure along the side edge of the outer ring. When the body When 31 rotates relative to the limiting piece 33, a two-way limiting effect can be provided by the two ends of the limiting part 332 abutting against the limiting block 313. The bump 333 on the groove 312 .

The washer 34 is an elastic material, which is pivotably sleeved on the connecting end 22 and one end pushes against the limiting piece 33 .

The fixed piece 35 is a sheet body that is fixedly sleeved on the terminal 22. Its bottom surface is attached to the top of the washer 34, and a perforation 351 matching the cross-sectional shape of the terminal 22 is formed therethrough. The fixed piece 35 and the terminal The fixing method of the end 22 is to press the part of the connecting end 22 passing through the top of the fixing piece 35 to make it fold and be stuck on the top of the fixing piece 35, and the pressing force also makes the elastic gasket 34 compress.

When the pivot frame 30 rotates relative to the support shaft 20, a friction force can be provided to the pivot frame 30 due to the push of the compressed washer 34, so that its rotation action will not be too loose and slippery, and through the groove 312 and the protrusion 333 The combination can provide a greater resistance when the rotation action moves to the relative position, so as to achieve a positioning effect at the position.

Please refer further to FIG. 3 , the aforementioned clutch connecting portion 40 is pivotally disposed on the pivot plate 315 having a pivot hole 316 , and includes a connecting portion 41 and a clutch portion 42 .

The connection part 41 is a long block body, one end of which is fixed on the screen 62 of the flip cover device 60, and the other end leans against the outer end surface of the pivot piece 315, and the connection part 41 is on the side edge of the outer ring of the abutment end. There is a limit portion 411 corresponding to the limit protrusion 317 formed on the top. The limit portion 411 can be a radial fan-shaped structure along the side edge of the outer ring. Rotate the pivot shaft 412 correspondingly passing through the circular pivot hole 316 . The pivot shaft 412 has a non-circular cross-section and a threaded end 413 with a circular cross-section is formed on its extension end.

The clutch part 42 is sheathed on the pivot 412, which includes a fixed piece 421 fixedly locked on the threaded end 413, and has a set of spring 422 set on the pivot 412, which pushes against the fixed piece 421 with one end, and another A movable clutch block 43 made of plastic material is sheathed and fixed on the pivot shaft 412. It is an annular block and a fixing hole 431 matching the section of the pivot shaft 412 is formed in the axial direction. Pushing on the other end of the spring 422, and on the opposite end surface of the pushing spring 422, there are two protruding teeth 432 protruding in the axial direction, and the two sides of the protruding teeth 432 are gradually formed from the top to the bottom. wide bevel.

In addition, there is also a fixed clutch block 44 made of plastic material which is pivotally sleeved on the pivot shaft 412, which is an annular block and abuts against the end face of the movable clutch block 43 with protruding teeth 432 with one end face, And on this end face, there are protruding teeth 441 corresponding to the space between two adjacent protruding teeth 432 on the movable clutch block 43, which are formed in a circular distribution. With this slope corresponding to the slope of the protruding teeth 432 of the movable clutch block 43, the other end of the fixed clutch block 44 is pushed and fixed on the pivotal piece 315, and the fixing method can be concavely formed on the pivotal piece 315. There are two grooves 318 and a fixed part 442 corresponding to the groove 318 is formed on the fixed surface of the fixed clutch block 44, and the pushing of the spring 422 and the fixed part 442 are engaged in the groove 318 to achieve a fixed position. .

When the two clutch blocks 43, 44 rotate relative to the pivot frame 30 due to the clutch joint 40, during the rotation, when the slopes of the two protruding teeth 432, 441 touch each other and lean against each other, the spring 422 gives the two relative Because of the pressing force of the surface, the relative rotation can get a larger friction force than the contact between the plane and the plane, and then play a role of stagnation and must use a larger torque to continue to rotate.

One end of the aforementioned connection block 50 is formed with a pivot end 51, which is vertically pivoted on another pivot piece 315 of the body 31 of the pivot frame 30. The connecting hole 319, and the pivoting end 51 is pierced and pivoted therein, and the pivoting end 51 is penetrated and formed with the through hole 511 connecting the pivoting hole 319 and the outside of the connecting block 50 as a pipeline for passing through the line, and A fixing portion 52 is formed on the outer end of the connection block 50 , and the connection block 50 is fixed on the screen 62 of the clamshell device 60 by using the fixing portion 52 .

Please refer to Figures 5-6 for further cooperation. When the utility model is in use, the clutch joint 40 pivotally connected to the pivot frame 30 can be fixed on the screen 62 correspondingly to the connecting block 50, so that the screen 62 It can be pivoted relative to the base 61 as an opening and closing action, and the pivoting action can use the two ends of the limiting part 411 to abut against the limiting protrusion 317 to obtain a maximum limit, and can further use the modified The quantity coordination between the protruding teeth 432, 441 of the movable clutch block 43 and the fixed clutch block 44 and the distribution of the angles of the protruding teeth 432, 441 on the ring shape achieve a function of retention at different flip angles.

Please refer to Figures 2, 7, and 8, when the pivot frame 30 pivots relative to the support shaft 20, it can drive the screen 62 to rotate relative to the base 61. Cooperate to obtain a maximum position limit, and further utilize the setting of the position and quantity of the groove 312 and the protruding block 333 to achieve a positioning function for controlling the screen 62 at a fixed angle.

The utility model has the advantage that the aforementioned multi-angle positioning hinge device can provide the user with more choices of appropriate operating angles when using the flipping device 60 through the cooperation of simpler parts, and because of the positioning The two functional clutch blocks 43, 44 are made of plastic material, so when the protruding teeth 432, 441 engage with each other due to positioning during the rotation, they will not make noises such as metal knocking or scratching. Reduce the user's discomfort due to abnormal noise during operation.

Claims (10)

1. A multi-angle positioning hub, characterized in that it comprises: a bottom frame, the two ends of which are respectively formed with a fixing part; A shaft, one end of which is fixed on the base frame, and the other end is formed with a joint with a non-circular outer wall section; A pivot frame, which includes a body, which is a fixed frame pivotally arranged on the support shaft, and a circular pivot hole is formed through it, and the pivot hole is sleeved and pivotally connected to the connection end of the support shaft , the body is more concavely formed with a plurality of grooves on the upper surface near the pivot hole, and a limit block is formed protrudingly near the pivot hole, and the two ends of the body are respectively bent to form a perpendicular to the surface of the body A pivotal piece, a circular pivot hole is formed through the pivotal piece at one end, and at least one limiting protrusion protrudes from the outer surface of the pivotal piece adjacent to the pivot hole; another limiting piece is fixedly sleeved On the connection end, it is close to the surface of the body, and the outer ring side edge of the limit piece protrudes outward in the radial direction to form a limit portion corresponding to the limit block on the body, and the limit piece is more in contact with the end surface of the body end There is a protrusion corresponding to the groove on the body protruding from the top; a washer is provided on the limit piece, and a fixed piece is placed on the other end of the washer, and the fixed piece compresses the washer to compress it; A clutch connection part, which is pivotally arranged on the pivot piece with a pivot hole on the pivot frame, and includes a connection part and a clutch part; one end of the connection part is a fixed end, and the other end leans against the corresponding pivot piece On the outer end face, the connection part is formed on the side edge of the outer ring of the abutment end with a limit part corresponding to the limit protrusion, and the connection part is extended on the abutment end surface to form a pivotable and correspondingly passed through the pivot piece The pivot shaft of the pivot hole has a non-circular cross-section; the clutch part is sleeved on the pivot shaft, which includes a fixed piece fixed on the extension end of the pivot shaft, and a set of springs on the pivot shaft. One end pushes against the fixed piece, and another set of movable clutch block fixed on the pivot is made of plastic material and one end pushes against the spring, and the other end protrudes axially to form a A plurality of protruding teeth are arranged at intervals in a ring shape. The two sides of the protruding teeth present a gradually widening slope from the top to the bottom. There is also a fixed clutch block that is pivotally sleeved on the pivot shaft and is made of plastic material. One end of which is pushed and fixed on the corresponding pivot piece, and the other end faces against the end face of the movable clutch block with protruding teeth, and protruding teeth are formed in a circular distribution on the end face, and the two sides of the protruding teeth start from the top A slope that gradually widens toward the bottom and is correspondingly matched with the gap between two adjacent protruding teeth on the moving clutch block; A connection block, one end of which is formed with a pivot end, which is vertically pivoted on the other pivot piece of the body of the pivot frame, and a fixed part is formed at the outer end of the connection block. 2. The multi-angle positioning hinge device according to claim 1, characterized in that a through hole is formed through the bottom frame; And wherein the support shaft is a hollow straight pipe with two ends open, and one open end communicates with the through hole of the bottom frame. 3. The multi-angle positioning hinge device according to claim 2, characterized in that a pivot hole is formed through the surface of the pivot plate corresponding to the pivot end of the connecting block, and the pivot end is pierced and pivotally connected therein, and The joint block is formed with a through hole communicating with the pivot joint hole and the outside of the joint block from the pivot joint end. 4. The multi-angle positioning hinge according to claim 3, characterized in that the limiting part on the limiting piece of the pivot frame is in a radial fan shape along the side edge of the outer ring of the limiting piece. 5 . The multi-angle positioning hinge device according to claim 4 , wherein the limiting portion of the clutch joint is in a radial fan shape along the side edge of the outer ring at one end of the joint. 6 . 6. The multi-angle positioning hinge device according to claim 5, characterized in that a gasket hole is formed through one side of the limit block of the pivot body; And the pivot frame further includes a washer which is pivotally sheathed on the connecting end, and extends to form a clamping block passing through the hole of the washer. 7. The multi-angle positioning hinge device according to claim 6, characterized in that the fixed piece of the pivot frame is a piece fixedly sleeved on the connecting end; And the part of the connecting end passing through the top of the fixing piece is folded and clamped on the top of the fixing piece. 8. The multi-angle positioning hinge device according to claim 7, characterized in that a plurality of connection holes are formed through the bottom frame; And one end of the supporting shaft is formed with two fixing feet corresponding to the connecting holes, the fixing feet are passed through the connecting holes, and the extended parts after passing through are horizontally folded and clamped on the bottom surface of the chassis. 9. The multi-angle positioning hinge device according to claim 8, characterized in that the fixed clutch block of the clutch joint and the corresponding pivot piece are fixed in such a way that a plurality of grooves are concavely formed on the pivot piece and placed on the pivot piece. A fixing part corresponding to the groove is formed on the fixing surface of the fixed clutch block, and the pushing of the spring and the fixing part are engaged in the groove to achieve fixing; and the pivot of the connecting part of the clutch joint is automatically The extension end is further extended to form a threaded end with a circular section, and a screw thread is formed corresponding to the fixing piece on the end and screwed on the threaded end. 10 . The multi-angle positioning hinge device according to claim 9 , wherein the extension radius of the support shaft is smaller than that of the support shaft, and a joint is formed at the junction with the support shaft. 11 .

Images