CN2470867Y - Small size and stable positioning of the computer shaft device - Google Patents

Abstract

A small volume stable positioning computer rotation shaft device, its component includes a connection plate and a connection shaft with connection section, stop edge and shaft lever, the connection plate is equipped with an integrated shaft cylinder, the shaft cylinder is equipped with a through shaft hole, the shaft lever of the connection shaft is passed through the shaft cylinder of the connection plate and tightly riveted into one body, its volume is small, resistance force is strong, positioning effect is good and can be kept stable for a long time.

Description

Small size and stable positioning of the computer shaft device

The utility model relates to a rotating shaft device for a computer with small volume and stable positioning.

The computer shaft (hinge) is a kind of assembly part that provides the assembly and angular positioning of two objects (such as the body of the notebook computer and the screen). The known technology and structure are shown in Figures 1A and 1B. , is made up of assembling plate 10, assembling shaft 12, locking assembly W, and its assembling plate 10 is used for assembling an object (for example: body) and is provided with the shaft seat sheet 11 with combining hole 110, and its assembling shaft 12 There is an assembly section 121, a retaining edge 122, and a thread section 120. The assembly section 121 is used for assembling another object (for example: a screen), and its locking component W includes two left-facing convex elastic pieces 16, 17, two right The convex shrapnel 18, 19 and a flat sheet 15 and nut 13 are combined to assemble the threaded section 120 of the shaft 12, which are assembled in the combination hole 110 of the shaft seat sheet 11 with two washers 14, and then put The convex elastic pieces 16 , 17 , 18 , 19 and flat piece 15 of the locking assembly W are set on the threaded section 120 , and locked by the nut 13 . Its technology is: by the locking of screw tooth section 120, nut 13, flat sheet 15 oppresses each convex shrapnel 16,17,18,19, makes each convex shrapnel deform, and the through hole of each shrapnel also deforms. And produce elastic tension force, and get to produce carding resistance, elastic pressing force, and then make thread section 120 can't rotate freely, need to rely on the active force of external rotation to rotate, and obtain the effect of positioning angle; The above-mentioned technology, Although the composition type can achieve the purpose of rotation setting and positioning angle, it actually has the following disadvantages:

(1) As indicated by L in Figure 1B, the source of the force (positioning force) is mainly from the convex shrapnel 16, 17, 18, 19, and its contact with the two sides is a circular contact Point L can be described as a line contact, therefore, unless the elastic force of the convex shrapnel is very large, its resistance is also smaller than the resistance of the utility model.

(2) Its convex shrapnel is made of metal, and the surrounding components in contact are also made of metal. The friction coefficient generated by the collision of two metal materials is smaller than that of one being metal and the other being astringent colloid. Its resistance is small.

(3) The convex shrapnel must have the problem of elastic fatigue over time, and will gradually reduce the resistance force and lead to failure. Therefore, it must often re-tighten the nut 13, which has poor durability.

(4) It is locked by the nut 13, and the nut 13 must have the problem of slack, especially when it is often rotated and used, it is more likely to cause the back slack. Therefore, there are often problems of poor positioning and frequent adjustment and locking.

(5) When it rotates, there will be more or less rotational friction problems on the contact surface between each convex shrapnel and the thread segment 120, which will cause the diameter of the thread to be worn, and the diameter of the thread segment to be small, and then affect ( reduce) resistance.

(6) It is locked and forced to combine by the locking block W, and the shrapnel, flat plate, and nut 13 of each locking component are not easy to be made into a very small volume, nor can they be set to a very small volume, otherwise the locking force will be reduced. Resistance (area reduction will reduce friction, volume reduction will reduce elastic force tension), so its volume is relatively large, which is less suitable for light, thin and small computers, or when assembling objects (Computer) in the volume, must occupy larger space.

(7) The known structure has the disadvantages of complex components, large volume, less resistance to angle setting, easy failure, poor durability, and often needs to be overhauled and then tightened.

The purpose of the utility model is to provide a small-volume computer-use rotating shaft device that can be stably positioned, which has small volume, high frictional force, good positioning effect and can stably keep two objects at any relative angle.

In order to achieve the above-mentioned purpose, the utility model provides a small-volume and stably-positioned computer shaft device, which includes assembling plates and assembling shafts that are pivotally connected to each other, and is characterized in that:

The assembly plate is provided with an integrated shaft cylinder, the shaft cylinder is provided with a through shaft hole, and one end of the shaft hole is provided with an oblique taper groove, and the diameter of the oblique taper groove is larger than the diameter of the middle part of the shaft hole. An astringent colloidal elastic ring is installed in the inclined cone groove;

The connecting shaft has a connecting section, a retaining edge, and a shaft rod. The shaft rod is installed in the shaft tube of the connecting plate. The colloidal elastic ring in the oblique tapered groove of the cylinder is tightly pressed against the retaining edge of the assembly shaft.

The small-volume and stably-positionable computer rotating shaft device is characterized in that the surface of the colloidal elastic ring is a rough surface.

The small-volume and stably-positionable rotating shaft device for computers is characterized in that: a copper ring piece can be installed inside the rubber elastic ring in the oblique taper groove.

The small-volume, stable-positioning rotating shaft device for a computer is characterized in that both ends of the shaft cylinder have oblique taper grooves, and colloidal elastic rings are installed at both ends.

The small-volume, stable-positioning rotating shaft device for a computer is characterized in that: the obliquely tapered slot of the shaft cylinder is a straight slot.

The small-volume and stably-positioned rotating shaft device for computers is characterized in that: the connecting plate and its shaft barrel are made of plastic material with high toughness and high wear resistance.

The small-volume, stable-positioning rotating shaft device for computers is characterized in that: the shaft rod of the assembled shaft is riveted to the shaft cylinder, and a locking ring is sleeved thereon.

The small-volume, stable-positioning rotating shaft device for computers is characterized in that: the combination of the shaft rod and the shaft cylinder of the combined shaft can be set so that the end of the shaft rod has screw teeth, and the nut is screwed on the shaft rod end.

The small-volume and stably-positionable computer shaft device is characterized in that: the surface of the colloidal elastic ring can be covered with fine convex particles or thin convex lines, or pointed cone blocks, or thin square blocks, or thin polygonal piece.

Main features of the utility model are:

First, it is composed of a joint plate with a shaft cylinder, a joint shaft with a joint section and a shaft rod. The elastic ring, the copper ring piece, and the shaft rod are provided with a retaining edge concave section and a locking ring, and are riveted together with the shaft tube.

Second, the colloidal elastic ring and its covered bumps can form a rough surface, elastic plugging, and astringent blocking effect, and the oblique cone is formed by the oblique taper groove to increase the blocking force. Effect, and get a very strong resistance effect.

Thirdly, the riveting of the shaft can achieve the effect of never loosening or detachment, and the riveting strength and tightness can be enhanced by the recessed section and the locking ring.

Fourth, with the copper ring piece, it can still rotate under the condition of extremely strong riveting force and resistance force without being seized.

Its five, so, the technology of the present utility model, is the technology of axial riveting clamping force, elastic surface and frictional resistance, and obtains component simplification, volume can dwindle, positioning force is strong, and in use times limit (about 20,000 times) Rotation), almost trouble-free function, very practical and enhanced function.

As can be seen from the above description, the utility model has the following advantages:

(1) The components are simplified, and the shaft rod 33 and the shaft tube 21 are combined by strong riveting, and there is no slack or detachment. Therefore, it is not necessary to frequently adjust the tension as conventionally known, and the durability is extremely long (tested It can be used for about 20,000 rotations).

(2) The area of the assembly plate 20 can be set according to the needs of the object to be assembled, and the diameter volume of the shaft tube 21 and the shaft rod 33 can be extremely small (of course, it can also be set to a large diameter according to the weight of the object), Reduce the space occupied by the assembled objects to meet the needs of light, thin and miniaturized objects.

(3) There is no "elastic fatigue" problem of conventional convex shrapnel, good durability, and can maintain a constant resistance force.

In order to fully understand the efficacy and practicability of the present utility model, the structure, composition and use are described in detail below in conjunction with the diagram and figure number:

Graphic brief description:

FIG. 1A is a conventional three-dimensional exploded view;

Fig. 1B is a conventional combined sectional view;

Fig. 2 is a three-dimensional exploded partial sectional view of the utility model;

Fig. 3A is a combined sectional view of the utility model;

Fig. 3B is a schematic diagram of the usage state of the utility model;

Fig. 4A is the functional front view of the colloidal elastic ring of the present invention;

Fig. 4B is an enlarged side view of the effect of the colloidal elastic ring of the present invention;

Fig. 5 is a diagram of another embodiment of the utility model.

Please refer to FIG. 2 to FIG. 4B , the small-volume and stably-positioned computer hinge device of the present invention includes assembling plates 20 and assembling shafts 30 pivotally connected to each other, and is characterized in that:

The assembly plate 20, its shape and size can be set according to the needs of the assembly, and it is also provided with an integral shaft cylinder 21, the shaft cylinder 21 is provided with a through shaft hole 22, and one end of the shaft hole 22 is provided with The oblique taper groove 23 of larger diameter is installed colloidal elastic ring 25 and copper ring sheet 27, and its colloidal elastic ring 25 is astringent and the surface is provided with convex grains 26;

The assembling shaft 30 has a assembling section 31, a retaining edge 32, and a shaft rod 33. The shaft rod 33 is installed in the shaft tube 21 of the assembling plate 20, and the end is pre-stamped to form a riveting head 330, which is formed with The shaft cylinder 21 is tightly riveted together, and the colloidal elastic ring 25 in the oblique taper groove 23 of the shaft cylinder 21 is slightly deformed (the convex grain of the colloidal elastic ring, which originally slightly protruded from the slot hole), and is tight and plugs the entire The oblique taper groove 23 and the convex grain 26 also press against the retaining edge 32 of the assembly shaft 30; in addition, the shaft rod 33 of the assembly shaft 30 is riveted to the shaft cylinder 21, and a locking ring 28 can be sleeved together to strengthen the The strength of the riveting, and the shaft rod 33 can be provided with a section of smaller diameter concave section 34;

With the above-mentioned composition, the technical essentials, use, efficacy and advantages of the present utility model are described in detail as follows:

Please refer to Fig. 3A to Fig. 4B again, it is to fix the assembling section 31 of the assembling plate 20 and the assembling shaft 30 on the object to be rotated, for example: the main body and the screen of the notebook computer, by the utility model You can turn the screen to any angle where it is flat or covered, and it can be positioned at that angle. The reason why the positioning function is available, its technology and function are:

(1) As shown in Figure 4A, the colloidal elastic ring 25 convex grain 26 originally protruded slightly from the oblique taper groove 23 hole, and was slightly deformed by the tight and strong riveting of the shaft rod 33 and the locking ring 28, so that it can The colloidal elastic ring 25 is completely filled and plugged into the oblique taper groove 23, and its protrusions 26 are also deformed to form an elliptical blocking surface W3 against the side of the retaining edge 32 of the assembly shaft 30, resulting in the following extremely Strong resistance effect;

1. The colloidal elastic ring 25 is astringent and elastic, and is forced to produce a lateral forcing force W2 and a vertical forcing force W1 on the groove wall of the inclined tapered groove 23, thereby generating a complete The extremely forced plugging and blocking force of the surrounding surface.

2. Its convex grain 26 forms a concave and convex surface, that is, a rough surface, which will have a greater friction coefficient friction effect than a smooth surface, and it will produce a deformed elliptical resistance surface W3 due to forced extrusion, and The resistance to the surface of the retaining edge 32 can be further enhanced.

3. By means of the above-mentioned forcing and blocking forces in all aspects, a very strong positioning force effect can be produced between the shaft rod 33 and the shaft cylinder 21. Unless a torque is formed by manpower and the assembled objects, it will remain Positioned at the set angle.

(2) In terms of riveting the shaft 33: the utility model is riveting the shaft 33 by strong stamping and deformation, which can be riveted to the shaft 21 very closely, and is provided with a locking ring 28, which has a thickening clamp Tight thickness (the riveting head 330 of the shaft 33 will become thinner by punching), and the clamping force will be increased. In particular, the shaft 33 is provided with a concave section 34 with a smaller diameter, which reduces the structural strength at this position. Therefore, when being riveted by strong stamping, the shaft rod 33 with a larger diameter in the front section can be squeezed slightly backward, that is, the phenomenon of shortening (retreating) can be achieved, and a stronger tight force effect with the shaft barrel can be obtained.

(3) Because the oblique cone groove 23 is set in an oblique cone shape, when riveted or pressed, it can form the effect of pressing in with the trend, and the resistance force can be further strengthened.

(4) From the above, it can be seen that the utility model has the above-mentioned three points of generating resistance effect, and the resistance force produced by it is extremely strong, and it cannot be rotated to prevent seizure, and a copper ring piece 27 is provided so that there is a copper ring between them , The contact of iron and metal material (shaft cylinder) provides the function of being rotatable and not seized.

(5) With the above-mentioned composition, the utility model can achieve (setting) extremely strong resistance force and excellent positioning force effect. It is confirmed by physical experiments that in the form of a 4.2mm circle diameter, Tohn-ichi The brand torque meter test can measure a torque (resistance force) of 6 kg/cm, that is, it can withstand the gravity of an object with a torque of 35 cm and a weight of 2 kg, and still maintain the effect of setting and positioning the angular position.

According to the above-mentioned technical means, the utility model can also be implemented in the following forms in terms of components and structure:

(1) As shown in Figure 5, at one end of the locking ring 28, the shaft cylinder 21 is also provided with an oblique taper groove 23, and an assembled copper ring piece 27 and a colloidal elastic ring 25 with convex particles, that is, a Colloidal elastic rings are provided at both ends, which can also obtain the effect of resisting force.

(2) The protruding particles 26 of the colloidal elastic ring 25 can also be provided with geometric shapes such as convex strips, or pointed cone blocks, or polygonal blocks, or square blocks, and can also cause surface roughness , Increase the friction coefficient friction effect.

(3) The oblique taper groove 23 can be set as a straight groove hole. Although the plugging resistance is slightly reduced, the colloidal elastic ring 25 still has the effect of blocking force, which belongs to the creative scope of the present invention.

(4) The colloidal elastic ring 25 of the present utility model can be set as a plane without convex grains on the surface, although the frictional force is small, it also belongs to the equivalent creative idea of the present utility model. However, in terms of the combination of the shaft rod and the shaft cylinder, the combination method of stamping to form a riveting head can also be changed to a screw thread at the end of the shaft rod, and the nut is used to lock and force the combination.

(5) The components of shaft cylinder 21 and assembly plate 20 can be made of plastic material with high toughness and high wear resistance.

Claims (9)

1. A small-volume, stably-positionable computer-use rotating shaft device, comprising assembling plates and assembling shafts pivotally connected to each other, characterized in that: The assembly plate is provided with an integrated shaft cylinder, the shaft cylinder is provided with a through shaft hole, and one end of the shaft hole is provided with an oblique taper groove, and the diameter of the oblique taper groove is larger than the diameter of the middle part of the shaft hole. An astringent colloidal elastic ring is installed in the inclined cone groove; The connecting shaft has a connecting section, a retaining edge, and a shaft rod. The shaft rod is installed in the shaft tube of the connecting plate. The colloidal elastic ring in the oblique tapered groove of the cylinder is tightly pressed against the retaining edge of the assembly shaft. 2. The small-volume, stably-positionable computer shaft device as claimed in claim 1, wherein the surface of the colloidal elastic ring is rough. 3. The small-volume, stably-positioned computer shaft device as claimed in claim 1, wherein a copper ring piece is installed inside the rubber elastic ring in the oblique taper groove. 4. The small-volume, stably-positioned computer shaft device as claimed in claim 1, wherein both ends of the shaft cylinder have oblique taper grooves, and colloidal elastic rings are installed at both ends. 5. The small-volume, stably-positionable rotating shaft device for a computer as claimed in claim 1, wherein the obliquely tapered slot of the shaft cylinder is a straight slot. 6. The small-volume, stably-positionable computer rotating shaft device as claimed in claim 1, characterized in that: the connecting plate and its shaft barrel are made of plastic material with high toughness and high wear resistance. 7. The small-volume, stably-positioned rotating shaft device for a computer as claimed in claim 1, wherein the shaft of the connecting shaft is riveted to the shaft cylinder, and a locking ring is sleeved thereon. 8. The small-volume, stably-positionable rotating shaft device for computers as claimed in claim 1, characterized in that: the combination of the shaft rod and the shaft cylinder of the combined shaft is set such that the end of the shaft rod has screw teeth, and the nut is used to Screw on the end of the shaft. 9. The small-volume and stably-positionable computer shaft device as claimed in claim 2, characterized in that: the surface of the colloidal elastic ring is covered with fine convex particles or thin convex lines, or pointed cone blocks, or thin square blocks , or thin polygonal blocks.

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