CN212717613U - Pivot device with light opening and heavy closing - Google Patents
Pivot device with light opening and heavy closing Download PDFInfo
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- CN212717613U CN212717613U CN202021490470.8U CN202021490470U CN212717613U CN 212717613 U CN212717613 U CN 212717613U CN 202021490470 U CN202021490470 U CN 202021490470U CN 212717613 U CN212717613 U CN 212717613U
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- fixing plate
- screw rod
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- shaft
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Abstract
The utility model discloses a pivot device with light opening and heavy closing, which comprises a shaft core, a bearing frame, a concave wheel, a cam and a spring assembly, wherein the bearing frame comprises a bottom plate, two mounting plates, an end plate and an end fixing plate, and a shaft hole is formed on the fixing plate; a shaft shoulder is formed at the first end of the shaft core, the first end of the shaft core penetrates into the shaft hole from the outer side of the fixing plate, the shaft shoulder is abutted against the outer side of the fixing plate, the concave wheel and the cam are sleeved on the shaft core and locked to the inner side of the fixing plate through the torsion assembly, the fixing plate is fixedly connected with the concave wheel, and the shaft core and the cam synchronously rotate; the spring assembly comprises a screw rod, a sliding block and a compression spring, the first end of the screw rod is rotatably installed on the end plate, the second end of the screw rod is fixedly connected with the first end of the shaft core, the sliding block is in threaded connection with the screw rod, a guide block in sliding connection with the sliding groove is formed on the sliding block, and the compression spring is in compression state and is abutted between the end plate and the sliding block. The utility model discloses a function of opening lightly and closing heavily can provide better operation for the user and experience.
Description
Technical Field
The utility model relates to a pivot ware that electronic equipment used specifically is to relate to a pivot ware that opens lightly and close heavily.
Background
The hinge device is also called a damping hinge or a damping rotating shaft, is a connecting element capable of providing a mutual rotating function, is mainly applied between a rotating part and a base body, is widely applied to various digital products and electronic equipment at present, such as a notebook computer, and can realize the opening and closing function between the base body and a display screen of the notebook computer by utilizing the mutual rotating function of the hinge device so as to adjust the angle of the notebook computer relative to a human body.
Taking the pivot device using the cam, the concave wheel and the torsion component to generate torsion as an example, the first bracket, the concave wheel, the cam and the torsion component are sleeved on the shaft core in sequence, the tail end of the shaft core is connected with the second bracket, and the shaft core is fixedly connected with the cam and the second bracket to keep synchronous action. The concave wheel is fixedly connected with the first support to keep synchronous action, the second support and the first support are respectively arranged in a display screen and a base body of the notebook computer, rotating torque force is provided through the torque force component to generate proper torque force, and the concave wheel is matched with the cam to generate an automatic closing effect. However, the torque generated by such a hinge is constant and is the same whether the display is turned on or off, so the user must apply extra force to control the speed of the switch. This kind of operation experience can't satisfy user's demand, expects to have lighter feel when opening promptly to uncap as early as possible and use, and hope to have heavier feel when closing, so that speed slows down, avoids display screen and base member because of the damage that the too fast striking of closing speed caused.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a switch is light closes pivot ware of heavy has realized opening light and close heavy function, can provide better operation experience for the user.
The technical scheme of the utility model is realized like this:
a pivot device with light opening and heavy closing comprises a shaft core, a bearing frame, a concave wheel, a cam and a spring assembly, wherein the bearing frame comprises a bottom plate, two mounting plates, an end plate and an end fixing plate; a shaft shoulder is formed at the first end of the shaft core, the first end of the shaft core penetrates into the shaft hole from the outer side of a fixing plate, the shaft shoulder is abutted against the outer side of the fixing plate, the concave wheel and the cam are sleeved on the shaft core and locked to the inner side of the fixing plate through a torsion assembly, the fixing plate is fixedly connected with the concave wheel, the shaft core can freely rotate relative to the fixing plate and the concave wheel, the shaft core and the cam synchronously rotate, and a concave part and a convex part for automatic closing are formed on the surface of the concave wheel, which is in contact with the cam; the spring assembly comprises a screw rod, a sliding block and a compression spring, the first end of the screw rod is rotatably installed on the end plate, the second end of the screw rod is fixedly connected with the first end of the shaft core, the sliding block is in threaded connection with the screw rod, a guide block in sliding connection with the sliding groove is formed on the sliding block, and the compression spring is in compression state and is abutted against the end plate and the sliding block.
Furthermore, a stop block is arranged between the compression spring and the sliding block.
Furthermore, a bracket is fixedly connected to the second end of the shaft core and is positioned on the outer side of the shaft shoulder.
Furthermore, the torsion assembly comprises a plurality of gaskets, a plurality of butterfly-shaped elastic sheets and nuts, and the nuts are in threaded connection with the first ends of the shaft cores and lock the gaskets and the butterfly-shaped elastic sheets to the outer sides of the cams.
Furthermore, a gasket is arranged between the concave wheel and the second mounting plate.
Further, the fixed plate and the concave wheel are fixedly connected by the following structure: the concave wheel is provided with a positioning column, the fixing plate is correspondingly provided with a positioning hole matched with the positioning column, and the positioning column is inserted into the positioning hole.
Further, the structure that the second end of the screw rod is fixedly connected with the first end of the shaft core is as follows: the first end of the shaft core forms a square column section, the second end face of the screw rod forms a square groove corresponding to the square column section, and the square column section is inserted into the square groove.
Further, the structure that the first end of the screw rod is rotatably installed on the end plate is as follows: the first end of screw rod is formed with the annular, be formed with the through-hole on the end plate, the first end of screw rod rotates and wears to locate in the through-hole, and makes the annular is located the outside of end plate, install the axle clamp in the annular.
The utility model has the advantages that: the utility model provides a light heavy pivot ware of closing opens through setting up the bearing frame, installs the axle core on the fixed plate of bearing frame, sets up concave wheel, cam and torsion subassembly on the axle core to set up spring assembly between the end plate of bearing frame and the first end of axle core, formed a light heavy pivot ware of closing, the switch in-process, torsion evenly increases, can provide better operation experience for the user. The technical principle is as follows: when the computer is started, the first end of the shaft core is fixedly connected with the screw rod, so that the screw rod is driven to rotate by the rotation of the shaft core, and the screw rod is in threaded connection with the sliding block, and the two ends of the screw rod rotate and are fixed, so that the sliding block can only move towards the direction of the torsion assembly, and at the moment, the compression spring extends to provide axial force, so that the torsion force during opening is reduced. On the contrary, when the computer is closed, the compression spring is compressed, so that the torsion force is increased. Therefore, the torsion is gradually increased in the whole opening process, and the effect of light opening and heavy closing is generated.
Drawings
Fig. 1 is a perspective view of the pivot device with light opening and heavy closing;
FIG. 2 is a view of the hinge device with a light opening and a heavy closing;
fig. 3 is a partially exploded view of the pivot device of the present invention with a light opening and a heavy closing;
fig. 4 is a schematic structural view of the torsion assembly, the concave wheel and the cam according to the present invention; the following description is made with reference to the accompanying drawings:
1-shaft core, 11-shaft shoulder, 12-square column section, 2-bearing frame, 21-bottom plate, 22-mounting plate, 221-sliding groove, 23-end plate, 24-fixing plate, 241-positioning hole, 3-concave wheel, 31-concave part, 32-positioning column, 4-cam, 41-convex part, 5-spring component, 51-screw rod, 511-square groove, 512-ring groove, 52-sliding block, 521-guide block, 53-compression spring, 54-stop block, 55-shaft clamp, 6-torsion component, 61-gasket, 62-butterfly spring sheet, 63-nut and 7-bracket.
Detailed Description
In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention.
Fig. 1 is a perspective view of the pivot device with light opening and heavy closing; FIG. 2 is a view of the hinge device with a light opening and a heavy closing; fig. 3 is a partially exploded view of the pivot device of the present invention with a light opening and a heavy closing; fig. 4 is a schematic structural view of the torsion assembly, the concave wheel and the cam according to the present invention; referring to fig. 1, 2, 3 and 4, a hinge device with light opening and heavy closing comprises a shaft core 1, a bearing frame 2, a concave wheel 3, a cam 4 and a spring assembly 5, wherein the bearing frame comprises a bottom plate 21, two mounting plates 22 formed on the top of the bottom plate, an end plate 23 and an end fixing plate 24, an assembly space is formed between the two mounting plates, sliding grooves 221 are formed on the two mounting plates, the two sliding grooves are oppositely arranged, the end plate and the fixing plate are oppositely arranged, and shaft holes are formed on the fixing plate; a shaft shoulder 11 is formed at the first end of the shaft core, the first end of the shaft core penetrates into the shaft hole from the outer side of a fixing plate, the shaft shoulder is abutted against the outer side of the fixing plate, the concave wheel and the cam are sleeved on the shaft core and locked to the inner side of the fixing plate through a torsion assembly 6, the fixing plate is fixedly connected with the concave wheel, the shaft core can freely rotate relative to the fixing plate and the concave wheel, the shaft core and the cam synchronously rotate, and a concave part 31 and a convex part 41 for automatic closing are formed on the surface of the concave wheel, which is in contact with the cam; the spring assembly comprises a screw 51, a slider 52 and a compression spring 53, the first end of the screw is rotatably installed on the end plate, the second end of the screw is fixedly connected with the first end of the shaft core, the slider is in threaded connection with the screw, a guide block 521 in sliding connection with the sliding groove is formed on the slider, and the compression spring is in compression state and is abutted between the end plate and the slider.
In the structure, the bearing frame is arranged, the shaft core is arranged on the fixing plate of the bearing frame, the concave wheel, the cam and the torsion assembly are arranged on the shaft core, the spring assembly is arranged between the end plate of the bearing frame and the first end of the shaft core, the pivot device which is light in opening and heavy in closing is formed, the torsion is uniformly increased in the opening and closing process, and better operation experience can be provided for a user. The technical principle is as follows: when the computer is started, the first end of the shaft core is fixedly connected with the screw rod, so that the screw rod is driven to rotate by the rotation of the shaft core, and the screw rod is in threaded connection with the sliding block, and the two ends of the screw rod rotate and are fixed, so that the sliding block can only move towards the direction of the torsion assembly, and at the moment, the compression spring extends to provide axial force, so that the torsion force during opening is reduced. On the contrary, when the computer is closed, the compression spring is compressed, so that the torsion force is increased. Therefore, the torsion is gradually increased in the whole opening process, and the effect of light opening and heavy closing is generated.
Preferably, a stopper 54 is disposed between the compression spring and the slider. The stop block is connected with the compression spring and the sliding block, so that the end face of the compression spring is in contact with the sliding block, the sliding block is stressed more uniformly, and the stability of axial force is improved.
Preferably, the second end of the shaft core is fixedly connected with a bracket 7, and the bracket is positioned outside the shaft shoulder. The bracket is used for connecting a display screen of the electronic equipment, and the bearing frame is used for connecting a base body of the electronic equipment, so that the display screen is connected with the base body.
Preferably, the torsion assembly comprises a plurality of gaskets 61, a plurality of butterfly-shaped elastic pieces 62 and nuts 63, and the nuts are in threaded connection with the first ends of the shaft cores to lock the gaskets and the butterfly-shaped elastic pieces to the outer sides of the cams. The torque assembly formed by the nut, the gasket and the butterfly-shaped elastic sheet can provide rotating torque and a function of tight-fit positioning for the shaft core.
Preferably, a gasket is arranged between the concave wheel and the second mounting plate. The gasket is arranged between the concave wheel and the fixing plate, so that the tight fit effect can be achieved. In addition, a silencing gasket can be arranged between the cam and the butterfly-shaped elastic sheet. A plurality of bosses are arranged on one side of the cam facing the silencing gasket at intervals, a clamping groove is arranged on the silencing gasket corresponding to each boss, and the bosses are clamped in the clamping grooves; through the cooperation of draw-in groove and boss, the abnormal sound that sends when can eliminate pivot ware self-closing.
Preferably, the fixed plate is fixedly connected with the concave wheel by a structure that: the concave wheel is provided with a positioning column 32, the fixing plate is correspondingly provided with a positioning hole 241 matched with the positioning column, and the positioning column is inserted into the positioning hole. Therefore, the fixing plate and the concave wheel can be fixedly connected through the matching of the positioning column and the positioning hole, and the fixing plate and the concave wheel are kept relatively immovable.
Preferably, the structure that the second end of the screw rod is fixedly connected with the first end of the shaft core is as follows: the first end of the shaft core forms a square column section 12, the second end face of the screw rod is provided with a square groove 51 corresponding to the square column section, and the square column section is inserted in the square groove. Thus, when the shaft core rotates, the screw rod can be driven to rotate.
Preferably, the structure that the first end of the screw rod is rotatably mounted on the end plate is as follows: the first end of screw rod is formed with annular 52, be formed with the through-hole on the end plate, the first end of screw rod rotates and wears to locate in the through-hole, and makes the annular is located the outside of end plate, install axle card 55 in the annular. Through setting up the axle card, can the axial motion of fixed screw rod, make the both ends of screw rod keep fixed.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A pivot device with light opening and heavy closing is characterized in that: the bearing frame comprises a base plate (21), two mounting plates (22), an end plate (23) and an end fixing plate (24), an assembly space is formed between the two mounting plates, sliding grooves (221) are formed in the two mounting plates, the two sliding grooves are oppositely arranged, the end plate and the fixing plate are oppositely arranged, and a shaft hole is formed in the fixing plate; a shaft shoulder (11) is formed at the first end of the shaft core, the first end of the shaft core penetrates into the shaft hole from the outer side of the fixing plate, the shaft shoulder is abutted against the outer side of the fixing plate, the concave wheel and the cam are sleeved on the shaft core and locked to the inner side of the fixing plate through a torsion assembly (6), the fixing plate is fixedly connected with the concave wheel, the shaft core can freely rotate relative to the fixing plate and the concave wheel, the shaft core and the cam synchronously rotate, and a concave part (31) and a convex part (41) for automatic closing are formed on the surface of the concave wheel, which is in contact with the cam; the spring assembly comprises a screw rod (51), a sliding block (52) and a compression spring (53), the first end of the screw rod is rotatably installed on the end plate, the second end of the screw rod is fixedly connected with the first end of the shaft core, the sliding block is in threaded connection with the screw rod, a guide block (521) in sliding connection with the sliding groove is formed on the sliding block, and the compression spring is in a compression state and is abutted between the end plate and the sliding block.
2. A light-on heavy-off hinge according to claim 1, wherein: a stop block (54) is arranged between the compression spring and the sliding block.
3. A light-on heavy-off hinge according to claim 1, wherein: the second end of the shaft core is fixedly connected with a support (7), and the support is positioned on the outer side of the shaft shoulder.
4. A light-on heavy-off hinge according to claim 1, wherein: the torsion assembly comprises a plurality of gaskets (61), a plurality of butterfly-shaped elastic sheets (62) and nuts (63), and the nuts are in threaded connection with the first ends of the shaft cores and lock the gaskets and the butterfly-shaped elastic sheets to the outer sides of the cams.
5. A light-on heavy-off hinge according to claim 1, wherein: and a gasket is arranged between the concave wheel and the mounting plate.
6. A light-on heavy-off hinge according to claim 1, wherein: the fixed plate and the concave wheel are fixedly connected by the following structure: the concave wheel is provided with a positioning column (32), the fixing plate is correspondingly provided with a positioning hole (241) matched with the positioning column, and the positioning column is inserted into the positioning hole.
7. A light-on heavy-off hinge according to claim 1, wherein: the second end of the screw rod is fixedly connected with the first end of the shaft core by a structure comprising: the first end of the shaft core forms a square column section (12), the second end face of the screw rod forms a square groove (511) corresponding to the square column section, and the square column section is inserted into the square groove.
8. A light-on heavy-off hinge according to claim 1, wherein: the first end of the screw is rotatably mounted on the end plate and has the following structure: the first end of screw rod is formed with annular (512), be formed with the through-hole on the end plate, the first end of screw rod rotates and wears to locate in the through-hole, and makes the annular is located the outside of end plate, install axle clamp (55) in the annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021490470.8U CN212717613U (en) | 2020-07-26 | 2020-07-26 | Pivot device with light opening and heavy closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021490470.8U CN212717613U (en) | 2020-07-26 | 2020-07-26 | Pivot device with light opening and heavy closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717613U true CN212717613U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021490470.8U Active CN212717613U (en) | 2020-07-26 | 2020-07-26 | Pivot device with light opening and heavy closing |
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| Country | Link |
|---|---|
| CN (1) | CN212717613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115543020A (en) * | 2022-04-11 | 2022-12-30 | 荣耀终端有限公司 | Rotating shaft assembly, input device and terminal equipment |
-
2020
- 2020-07-26 CN CN202021490470.8U patent/CN212717613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115543020A (en) * | 2022-04-11 | 2022-12-30 | 荣耀终端有限公司 | Rotating shaft assembly, input device and terminal equipment |
| CN115543020B (en) * | 2022-04-11 | 2023-08-08 | 荣耀终端有限公司 | Input device and terminal equipment |
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