CN215762779U - Self-locking four-shaft gear transmission mechanism - Google Patents
Self-locking four-shaft gear transmission mechanism Download PDFInfo
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- CN215762779U CN215762779U CN202122367176.9U CN202122367176U CN215762779U CN 215762779 U CN215762779 U CN 215762779U CN 202122367176 U CN202122367176 U CN 202122367176U CN 215762779 U CN215762779 U CN 215762779U
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- bracket
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Abstract
The utility model relates to the technical field of hinges, in particular to a self-locking four-shaft gear transmission mechanism which comprises a fixed frame, a first transmission component, a second transmission component, a first connecting rod and a second connecting rod, wherein the first transmission component and the second transmission component are arranged at two ends of the fixed frame, the first connecting rod and the second connecting rod are rotatably arranged on the first transmission component and the second transmission component, the first supporting frame and the second supporting frame are rotatably arranged at two sides of the fixed frame, the first connecting rod and the second connecting rod are respectively provided with a first sliding plate and a second sliding plate, the first supporting frame and the second supporting frame are respectively provided with a first mounting groove and a second mounting groove, a first mounting screw penetrating through the first mounting groove is arranged between the first connecting rod and the first sliding plate, a second mounting screw penetrating through the second mounting groove is arranged between the second connecting rod and the second sliding plate, the first supporting frame and the second supporting frame are respectively provided with a first spring group and a second spring group, the first sliding plate and the second sliding plate are respectively provided with a first clamping groove, The first clamping groove and the second clamping groove are respectively clamped with the first spring group and the second spring group.
Description
Technical Field
The utility model relates to the technical field of hinges, in particular to a self-locking four-shaft gear transmission mechanism.
Background
In order to protect a screen of a cover of an electronic device from being damaged, the cover of the electronic device is rotatably connected to the body through a hinge structure, so that the cover is opened and closed relative to the body. At present, a hinge structure of a notebook computer is only provided with a limiting structure after the notebook computer is closed, a necessary self-locking angle mechanism is lacked, but when people close the rear cover of the notebook computer quickly or forcibly, rigid collision can occur between the rear cover and a rear base of the notebook computer, and the appearance and the internal structure of the notebook computer are easily damaged after the cover is closed and the cover is used forcibly too much or for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-locking four-shaft gear transmission mechanism aiming at the defects of the prior art, which is compact in structure and reasonable in design, realizes the formation of a self-locking structure among a first support, a second support and a fixed frame, is convenient for adjusting a self-locking angle and plays a good role in buffering and protection.
In order to achieve the above purpose, the self-locking four-axis gear transmission mechanism of the present invention comprises a fixed frame, a first transmission assembly and a second transmission assembly mounted at two ends of the fixed frame, a first connecting rod and a second connecting rod rotatably mounted on the first transmission assembly and the second transmission assembly, and a first bracket and a second bracket rotatably mounted at two sides of the fixed frame, wherein the first connecting rod and the second connecting rod are respectively provided with a first sliding plate and a second sliding plate, the first bracket and the second bracket are respectively provided with a first mounting groove and a second mounting groove, a first mounting screw penetrating the first mounting groove is arranged between the first connecting rod and the first sliding plate, a second mounting screw penetrating the second mounting groove is arranged between the second connecting rod and the second sliding plate, the first bracket and the second bracket are respectively provided with a first spring group and a second spring group, the first sliding plate is provided with a second mounting screw penetrating the second mounting groove, and the first spring group is provided with a second spring group, The second sliding plate is respectively provided with a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are respectively clamped with the first spring group and the second spring group.
Preferably, the first connecting seat and the second connecting seat are respectively arranged on the outer sides of the first sliding plate and the second sliding plate, the first mounting screw penetrates through the first connecting rod and the first mounting groove and then is connected with the first connecting seat, a first stop washer is arranged at the joint between the first mounting screw and the first connecting seat, the second mounting screw penetrates through the second connecting rod and the second mounting groove and then is connected with the second connecting seat, and a second stop washer is arranged at the joint between the second mounting screw and the second connecting seat.
Preferably, the first transmission assembly and the second transmission assembly have the same structure, the first transmission assembly includes a first gear shaft, a first idle gear, a second idle gear and a second gear shaft, the first gear shaft and the second gear shaft are respectively connected with the first connecting rod and the second connecting rod, the first idle gear is meshed with the second idle gear, and the first gear shaft and the second gear shaft are respectively meshed with the first idle gear and the second idle gear.
Preferably, the first spring group and the second spring group have the same structure, the first spring group comprises a sliding seat, a first spring, a second spring, a third spring and a rolling wheel, the sliding seat is provided with a first inserting column, a second inserting column and a third inserting column at intervals, the first spring, the second spring and the third spring are respectively inserted into the first inserting column, the second inserting column and the third inserting column, and the rolling wheel is arranged on the sliding seat and clamped in the first clamping groove.
Preferably, the outside of first support is provided with first turning block, first arc wall has been seted up to first turning block, the mount is provided with first arc wall, first arc wall rotates with first arc wall to be connected, the outside of second support is provided with the second turning block, the second arc wall has been seted up to the second turning block, the mount is provided with second arc wall, second arc wall rotates with the second arc wall to be connected.
The utility model has the beneficial effects that: a self-locking four-axis gear transmission mechanism comprises a fixed frame, a first transmission assembly, a second transmission assembly, a first connecting rod, a second connecting rod, a first support and a second support, wherein the first transmission assembly and the second transmission assembly are arranged at two ends of the fixed frame, the first support and the second support are rotatably arranged on two sides of the fixed frame, the first connecting rod and the second connecting rod are respectively provided with a first sliding plate and a second sliding plate, the first support and the second support are respectively provided with a first mounting groove and a second mounting groove, a first mounting screw penetrating through the first mounting groove is arranged between the first connecting rod and the first sliding plate, a second mounting screw penetrating through the second mounting groove is arranged between the second connecting rod and the second sliding plate, the first support and the second support are respectively provided with a first spring group and a second spring group, and the first sliding plate and the second sliding plate are respectively provided with a first clamping groove, And the first clamping groove and the second clamping groove are respectively clamped with the first spring group and the second spring group.
Preferably, the first connecting rod and the second connecting rod are respectively provided with two, the two first connecting rods are respectively connected with the first transmission component and the second transmission component in a rotating way and are both connected with the first sliding plate, the two second connecting rods are respectively connected with the first transmission component and the second transmission component in a rotating way and are both connected with the second sliding plate, when in use, the first bracket and the second bracket turn left and right around the fixed frame, and simultaneously, the first connecting rod is driven to rotate around the first transmission component and the second transmission component so as to drive the first sliding plate to slide along the first bracket, and the second connecting rod is driven to rotate around the first transmission component and the second transmission component so as to drive the second sliding plate to slide along the second bracket, and then the first clamping groove is clamped with the first spring group, and the second clamping groove is clamped with the second spring group, and then impel to form the auto-lock state of fixed angle between first support, second support and the mount, the location effect is good, through dismantling first mounting screw, second mounting screw respectively to correspond and change first sliding plate, second sliding plate, change different auto-lock angles between first support, second support and the mount according to the first block groove of different positions, second block groove, satisfy the user demand of multi-angle auto-lock, it is convenient to adjust easy operation. The utility model has compact structure and reasonable design, realizes the self-locking structure among the first bracket, the second bracket and the fixed frame, is convenient to adjust the self-locking angle and plays a good role in buffering and protection.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural view of the first sliding plate of the present invention.
Fig. 4 is a schematic structural view of a second sliding plate according to the present invention.
The reference numerals include:
1-fixed frame 11-first arc block 12-second arc block
2-first transmission component 21-first gear shaft 22-first idle gear
23-second idle gear 24-second gear shaft
3-second Transmission Assembly
4-first bracket 41-first link 42-first sliding plate
43-first mounting groove 44-first mounting screw 45-first clamping groove
46-first connection seat 47-first stop washer 48-first rotation block
49-first arc-shaped groove
5-second bracket 51-second link 52-second sliding plate
53-second mounting groove 54-second mounting screw 55-second clamping groove
56-second connecting seat 57-second stop washer 58-second rotating block
59-second arc-shaped groove
6-first spring set 61-sliding seat 62-first spring
63-second spring 64-third spring 65-rolling wheel
66-first plug column 67-second plug column 68-third plug column
7-second spring set.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 to 4, the self-locking four-axis gear transmission mechanism of the present invention includes a fixed frame 1, a first transmission assembly 2 and a second transmission assembly 3 mounted at two ends of the fixed frame 1, a first connecting rod 41 and a second connecting rod 51 rotatably mounted on the first transmission assembly 2 and the second transmission assembly 3, a first bracket 4 and a second bracket 5 rotatably mounted at two sides of the fixed frame 1, wherein the first connecting rod 41 and the second connecting rod 51 are respectively provided with a first sliding plate 42 and a second sliding plate 52, the first bracket 4 and the second bracket 5 are respectively provided with a first mounting groove 43 and a second mounting groove 53, a first mounting screw 44 passing through the first mounting groove 43 is disposed between the first connecting rod 41 and the first sliding plate 42, a second mounting screw 54 passing through the second mounting groove 53 is disposed between the second connecting rod 51 and the second sliding plate 52, and the first bracket 4, the second transmission assembly 3, and the second transmission assembly are disposed between the second connecting rod 51 and the second sliding plate 52, and the first bracket 4 and the second transmission assembly are disposed between the second transmission assembly 4, The second bracket 5 is provided with a first spring group 6 and a second spring group 7, the first sliding plate 42 and the second sliding plate 52 are provided with a first engaging groove 45 and a second engaging groove 55, respectively, and the first engaging groove 45 and the second engaging groove 55 are engaged with the first spring group 6 and the second spring group 7, respectively.
Preferably, two first connecting rods 41 and two second connecting rods 51 are respectively provided, two first connecting rods 41 are respectively rotatably connected with the first transmission assembly 2 and the second transmission assembly 3, two first connecting rods 41 are both connected with the first sliding plate 42, two second connecting rods 51 are respectively rotatably connected with the first transmission assembly 2 and the second transmission assembly 3, and two second connecting rods 51 are both connected with the second sliding plate 52, when in use, the first support 4 and the second support 5 are turned left and right around the fixed support 1, at the same time, the first connecting rods 41 are driven to rotate around the first transmission assembly 2 and the second transmission assembly 3, the first sliding plates 42 are driven to slide along the first support 4, the second connecting rods 51 are driven to rotate around the first transmission assembly 2 and the second transmission assembly 3, the second sliding plates 52 are driven to slide along the second support 5, and then the first spring group 6 is clamped by the first clamping groove 45, and the second clamping groove 55 is clamped with the second spring group 7, so that a self-locking state with a fixed angle is formed between the first support 4, the second support 5 and the fixing frame 1, the positioning effect is good, the first sliding plate 42 and the second sliding plate 52 are conveniently and correspondingly replaced by respectively disassembling the first mounting screw 44 and the second mounting screw 54, different self-locking angles between the first support 4, the second support 5 and the fixing frame 1 are changed according to the first clamping groove 45 and the second clamping groove 55 at different positions, the use requirements of multi-angle self-locking are met, and the adjustment operation is simple and convenient. The utility model has compact structure and reasonable design, realizes the self-locking structure between the first bracket 4, the second bracket 5 and the fixed bracket 1, is convenient to adjust the self-locking angle and plays a good role in buffering and protection.
As shown in fig. 1 and 2, the first sliding plate 42 and the second sliding plate 52 of the present embodiment are respectively provided at outer sides thereof with a first connecting seat 46 and a second connecting seat 56, the first mounting screw 44 passes through the first connecting rod 41 and the first mounting groove 43 and is then connected to the first connecting seat 46, a first stop washer 47 is provided at a connection position between the first mounting screw 44 and the first connecting seat 46, the second mounting screw 54 passes through the second connecting rod 51 and the second mounting groove 53 and is then connected to the second connecting seat 56, and a second stop washer 57 is provided at a connection position between the second mounting screw 54 and the second connecting seat 56. Specifically, the first and second connecting seats 46 and 56 are respectively disposed on the outer sides of the first and second sliding plates 42 and 52, the first mounting screw 44 passes through the first connecting rod 41 and the first mounting groove 43 and then is connected to the first connecting seat 46, the position of the first mounting screw 44 is locked and fixed by the first stop washer 47, the second mounting screw 54 passes through the second connecting rod 51 and the second mounting groove 53 and then is connected to the second connecting seat 56, and the position of the second mounting screw 54 is locked and fixed by the second stop washer 57, so that the first and second sliding plates 42 and 52 are replaced correspondingly, and the assembly and disassembly are convenient.
As shown in fig. 1 and 2, the first transmission assembly 2 and the second transmission assembly 3 of the present embodiment have the same structure, the first transmission assembly 2 includes a first gear shaft 21, a first idle gear 22, a second idle gear 23, and a second gear shaft 24, the first gear shaft 21 and the second gear shaft 24 are respectively connected to the first connecting rod 41 and the second connecting rod 51, the first idle gear 22 is engaged with the second idle gear 23, and the first gear shaft 21 and the second gear shaft 24 are respectively engaged with the first idle gear 22 and the second idle gear 23. Specifically, when the first connecting rod 41 drives the first gear shaft 21 to rotate, the first gear shaft 21 is meshed with the first idle gear 22 to drive the first idle gear 22 to rotate, the first idle gear 22 is meshed with the second idle gear 23 to drive the second idle gear 23 to rotate, the second idle gear 23 is meshed with the second gear shaft 24 to drive the second gear shaft 24 to rotate, and then the second connecting rod 51 connected with the second gear shaft 24 is driven to rotate, so that the opening and closing linkage is smooth, easy and effortless, and the transmission efficiency is high.
As shown in fig. 2, the first spring set 6 and the second spring set 7 of the present embodiment have the same structure, the first spring set 6 includes a sliding seat 61, a first spring 62, a second spring 63, a third spring 64 and a rolling wheel 65, the sliding seat 61 is provided with a first inserting column 66, a second inserting column 67 and a third inserting column 68 at intervals, the first spring 62, the second spring 63 and the third spring 64 are respectively inserted into the first inserting column 66, the second inserting column 67 and the third inserting column 68, and the rolling wheel 65 is installed on the sliding seat 61 and engaged with the first engaging groove 45. Specifically, the first spring group 6 and the second spring group 7 have the same structure, the sliding seat 61 is respectively inserted into the first spring 62, the second spring 63 and the third spring 64 through the first insertion column 66, the second insertion column 67 and the third insertion column 68, and can extrude and deform the first spring 62, the second spring 63 and the third spring 64, and the rolling wheel 65 is sleeved on the sliding seat 61 and is engaged with the first engaging groove 45 in a rolling manner, so that a good fixing position effect is achieved.
As shown in fig. 2, a first rotating block 48 is arranged on the outer side of the first support 4 of this embodiment, a first arc-shaped groove 49 is formed in the first rotating block 48, the fixing frame 1 is provided with a first arc-shaped block 11, the first arc-shaped block 11 is rotatably connected with the first arc-shaped groove 49, a second rotating block 58 is arranged on the outer side of the second support 5, a second arc-shaped groove 59 is formed in the second rotating block 58, the fixing frame 1 is provided with a second arc-shaped block 12, and the second arc-shaped block 12 is rotatably connected with the second arc-shaped groove 59. Specifically, first support 4, second support 5 are installed respectively in the both sides of mount 1, and first support 4 rotates with first arc piece 11 through first arc wall 49 of first turning block 48 to be connected, and second support 5 rotates with second arc piece 12 through second arc wall 59 of second turning block 58 to be connected, and not only the atress area of contact is big, and the atress is even and rotate the stationarity good, effectively avoids producing unnecessary vibration noise at the rotation in-process moreover.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (5)
1. The utility model provides a from locking-type four-axis gear drive, its characterized in that: the device comprises a fixed frame, a first transmission component and a second transmission component which are arranged at two ends of the fixed frame, and a first connecting rod and a second connecting rod which are rotatably arranged on the first transmission component and the second transmission component, a first bracket and a second bracket which are rotatably arranged at two sides of the fixed frame, wherein the first connecting rod and the second connecting rod are respectively provided with a first sliding plate and a second sliding plate, the first bracket and the second bracket are respectively provided with a first mounting groove and a second mounting groove, a first mounting screw which passes through the first mounting groove is arranged between the first connecting rod and the first sliding plate, a second mounting screw which passes through the second mounting groove is arranged between the second connecting rod and the second sliding plate, the first bracket and the second bracket are respectively provided with a first spring group and a second spring group, and the first sliding plate and the second sliding plate are respectively provided with a first clamping groove and a second clamping groove, the first clamping groove and the second clamping groove are respectively clamped with the first spring group and the second spring group.
2. The self-locking four-shaft gear transmission mechanism of claim 1, wherein: the outer sides of the first sliding plate and the second sliding plate are respectively provided with a first connecting seat and a second connecting seat, the first mounting screw penetrates through the first connecting rod and the first mounting groove and then is connected with the first connecting seat, a first stop washer is arranged at the joint between the first mounting screw and the first connecting seat, the second mounting screw penetrates through the second connecting rod and the second mounting groove and then is connected with the second connecting seat, and a second stop washer is arranged at the joint between the second mounting screw and the second connecting seat.
3. The self-locking four-shaft gear transmission mechanism of claim 1, wherein: the first transmission assembly and the second transmission assembly are identical in structure, the first transmission assembly comprises a first gear shaft, a first idler, a second idler and a second gear shaft, the first gear shaft and the second gear shaft are respectively connected with a first connecting rod and a second connecting rod, the first idler is meshed with the second idler, and the first gear shaft and the second gear shaft are respectively meshed with the first idler and the second idler.
4. The self-locking four-shaft gear transmission mechanism of claim 1, wherein: the first spring group is the same as the second spring group in structure, the first spring group comprises a sliding seat, a first spring, a second spring, a third spring and a rolling wheel, the sliding seat is provided with a first inserting column, a second inserting column and a third inserting column at intervals, the first spring, the second spring and the third spring are respectively inserted into the first inserting column, the second inserting column and the third inserting column, and the rolling wheel is arranged on the sliding seat and clamped in the first clamping groove.
5. The self-locking four-shaft gear transmission mechanism of claim 1, wherein: the outside of first support is provided with first turning block, first arc wall has been seted up to first turning block, the mount is provided with first arc piece, first arc piece rotates with first arc wall to be connected, the outside of second support is provided with the second turning block, the second arc wall has been seted up to the second turning block, the mount is provided with second arc piece, the second arc piece rotates with the second arc wall to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367176.9U CN215762779U (en) | 2021-09-26 | 2021-09-26 | Self-locking four-shaft gear transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367176.9U CN215762779U (en) | 2021-09-26 | 2021-09-26 | Self-locking four-shaft gear transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215762779U true CN215762779U (en) | 2022-02-08 |
Family
ID=80092007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122367176.9U Active CN215762779U (en) | 2021-09-26 | 2021-09-26 | Self-locking four-shaft gear transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215762779U (en) |
-
2021
- 2021-09-26 CN CN202122367176.9U patent/CN215762779U/en active Active
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