CN213305468U - Press disconnect-type gear drive - Google Patents
Press disconnect-type gear drive Download PDFInfo
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- CN213305468U CN213305468U CN202022577857.3U CN202022577857U CN213305468U CN 213305468 U CN213305468 U CN 213305468U CN 202022577857 U CN202022577857 U CN 202022577857U CN 213305468 U CN213305468 U CN 213305468U
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Abstract
The utility model discloses a press disconnect-type gear drive, it is including input gear and output gear, input gear and the coaxial setting of output gear and the two range upon range of each other, output gear's center department is formed with the gear shaft, the gear shaft passes input gear and the two normal running fit, carry out the block through grafting complex lug and notch each other between input gear's the terminal surface and the terminal surface of output gear, borrow and drive output gear synchronous revolution by input gear, when external force presses down the gear shaft and orders about output gear and keeps away from input gear, lug and notch separation, so that output gear can the free rotation. The utility model discloses can realize pressing the separation and reunion based on simple cooperation relation, especially fall the electricity when cell phone stand, output gear can't the reverse rotation, only need manually to press the gear shaft, can realize the separation of input and output gear, based on above-mentioned separation and reunion principle, help improving the wholeness ability and the user experience of electronic products such as cell phone stand.
Description
Technical Field
The utility model relates to a drive mechanism especially relates to a press disconnect-type gear drive.
Background
The mobile phone support is a device which is arranged on a desktop, an automobile center console and the like and is used for clamping and supporting a mobile phone. With the technology of mobile phone support products changing day by day, some electric mobile phone supports are deeply loved by consumers. The electric mobile phone support adopts a built-in motor and a transmission mechanism to drive the clamping jaws at the two sides to perform opening and clamping actions. In practical application, the electric mobile phone support adopts a built-in motor and a transmission mechanism to drive the clamping jaws at two sides to perform opening and clamping actions, for the internal transmission mechanism, the existing realization mode generally adopts a reduction gear assembly, when the motor drives the reduction gear assembly to operate, the transverse movement of the clamping jaws is realized in a mode of mutually matching a gear and a spur rack, although the structure can clamp the mobile phone, when equipment is powered off (for example, after parking and flameout), the clamping jaws at two sides cannot be manually opened through external force because the gear reduction mechanism cannot apply force reversely, the mobile phone is clamped on the mobile phone support and cannot be taken down or is difficult to take down, in addition, once the torque force output by the motor is too large, the support causes too large clamping force of the clamping jaws on the mobile phone, the situation of large-force clamping easily causes damage to the mobile phone, and not only causes great inconvenience to the use process of, the user experience is poor, and the hand mechanism is easily affected.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's not enough, provide one kind and can realize automatic linkage block, easily manual release linkage relation press down disconnect-type gear drive mechanism simultaneously.
In order to solve the technical problem, the utility model adopts the following technical scheme.
The utility model provides a press disconnect-type gear drive, its includes input gear and output gear, input gear with the coaxial setting of output gear and the two range upon range of each other, the center department of output gear is formed with the gear shaft, the gear shaft passes input gear and the two normal running fit, the terminal surface of input gear with carry out the block through mutual grafting complex lug and notch between the terminal surface of output gear, borrow by input gear drives output gear synchronous revolution, when the external force is pressed the gear shaft and is ordered about output gear keeps away from when input gear, lug and notch separation, so that the order output gear can the free rotation.
Preferably, the output gear includes a circular end portion having a diameter larger than that of the output gear, the circular end portion being stacked with an end surface of the input gear.
Preferably, the end face of the input gear is formed with a circular ring portion protruding outward, and the circular end portion is inserted into the circular ring portion.
Preferably, the projection is arranged on the end face of the input gear and is integrally formed with the input gear, and the notch is arranged on the end face of the circular end.
Preferably, the end face of the input gear is provided with a plurality of lugs which are uniformly distributed along the circumferential direction of the input gear, and the end face of the circular end is provided with a plurality of notches which are aligned with the lugs one by one.
Preferably, the projection is elongated, and the projection extends in a radial direction of the input gear.
Preferably, the width of the bump is gradually increased from inside to outside, so that the surface of the bump is in a fan shape.
Preferably, the width of the notch is larger than the width of the bump, so that a gap is formed between the bump and the notch.
Preferably, one end of the output gear, which is opposite to the input gear, is provided with a gear compression spring, an end of the gear compression spring is abutted against the output gear, and the output gear is driven to be tightly attached to the input gear by means of elastic force applied by the gear compression spring.
Preferably, the output gear has a blind hole at the center, an inner shaft rod is formed at the center of the blind hole, the gear compression spring is arranged in the blind hole, and the gear compression spring is sleeved on the inner shaft rod.
The utility model discloses an among the press down disconnect-type gear drive, work as when the gear shaft is not pressed by external force, based on the block relation of lug and notch for input gear and output gear are in the linkage relation, and utilize input gear drives output gear synchronous revolution presses as external force during the gear shaft, can order about output gear keeps away from input gear makes lug and notch separation, this moment output gear can the free rotation. Based on the above principle, the utility model discloses can realize pressing the separation and reunion based on simple cooperation relation, consequently be fit for being applied to among the electrodynamic type cell phone stand and use as separation and reunion formula drive mechanism, especially fall the electricity when cell phone stand falls, output gear can't reverse rotation, only need manually press the gear shaft can realize the separation of input and output gear, based on above-mentioned separation and reunion principle, helps improving the wholeness ability and the user experience of electronic products such as cell phone stand.
Drawings
FIG. 1 is a perspective view of a handset cradle;
FIG. 2 is a partial view of a first embodiment of a mobile phone stand;
FIG. 3 is a partial block diagram of a second embodiment of a handset support;
FIG. 4 is a partially exploded view of the handset support;
FIG. 5 is a view showing the inside structure of the case;
FIG. 6 is a first exploded view of the internal structure of the housing;
FIG. 7 is a second exploded view of the inner structure of the housing;
FIG. 8 is a structural view of the gear train;
FIG. 9 is a first exploded view of the gear assembly;
fig. 10 is an exploded view of the gear assembly.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Example one
The present embodiment provides a press-separating type gear transmission mechanism, which is shown in fig. 8 to 10, and includes an input gear 100 and an output gear 101, wherein the input gear 100 and the output gear 101 are coaxially disposed and stacked with each other, a gear shaft 102 is formed at a center of the output gear 101, the gear shaft 102 passes through the input gear 100 and is in running fit with the input gear 100, an end surface of the input gear 100 is engaged with an end surface of the output gear 101 through a protrusion 103 and a notch 104 that are in insertion fit with each other, the input gear 100 drives the output gear 101 to synchronously rotate, and when an external force presses the gear shaft 102 and drives the output gear 101 to be away from the input gear 100, the protrusion 103 is separated from the notch 104, so that the output gear 101 can freely rotate.
In the above structure, when the gear shaft 102 is not pressed by an external force, the input gear 100 and the output gear 101 are in an interlocking relationship based on the engaging relationship between the protrusion 103 and the notch 104, and the input gear 100 drives the output gear 101 to rotate synchronously, and when the gear shaft 102 is pressed by an external force, the output gear 101 is driven to be away from the input gear 100, so that the protrusion 103 is separated from the notch 104, and at this time, the output gear 101 can rotate freely. Based on the above principle, the utility model discloses can realize pressing the separation and reunion based on simple cooperation relation, consequently be fit for being applied to in the electrodynamic type cell phone stand and use as separation and reunion formula drive mechanism, especially fall the electricity when cell phone stand falls, output gear 101 can't reverse rotation, only need manually press gear shaft 102 can realize the separation of input and output gear, based on above-mentioned separation and reunion principle, helps improving the wholeness ability and the user experience of electronic products such as cell phone stand.
Preferably, the output gear 101 includes a circular end 105, the diameter of the circular end 105 is larger than the diameter of the output gear 101, and the circular end 105 and the end surface of the input gear 100 are stacked on each other.
Further, the end surface of the input gear 100 is formed with a circular ring portion 106 protruding outward, and the circular end portion 105 is inserted into the circular ring portion 106.
Based on the cooperation of the circular end part 105 and the circular ring part 106, the matching relation between the input gear and the output gear is more reliable, and the linkage capacity of the input gear and the output gear is further improved.
Preferably, the projection 103 is provided on an end surface of the input gear 100 and is integrally formed with the input gear, and the recess 104 is provided on an end surface of the circular end 105.
In order to better achieve the mutual engagement, in this embodiment, the end surface of the input gear 100 is provided with a plurality of protrusions 103, the plurality of protrusions 103 are uniformly distributed along the circumferential direction of the input gear 100, the end surface of the circular end 105 is provided with a plurality of notches 104, and the notches 104 are aligned with the protrusions 103 one by one.
Preferably, the protrusion 103 is elongated, and the protrusion 103 extends in a radial direction of the input gear 100. The elongated bump 103 can be connected with
In order to further improve the stress strength, in this embodiment, the width of the bump 103 is gradually increased from inside to outside, so that the surface of the bump 103 is in a fan shape.
Preferably, the width of the notch 104 is larger than the width of the bump 103, so that a gap is formed between the bump 103 and the notch 104. Based on the above gap, the lug 103 is easier to get in and out of the notch 104 during the clutch process, so that the input and output gears can accurately perform the clutch action.
In order to apply a pre-pressing elastic force to the output gear 101 so as to keep the input gear and the output gear in abutment, in this embodiment, a gear compression spring 107 is disposed at one end of the output gear 101 facing away from the input gear 100, an end of the gear compression spring 107 is in abutment with the output gear 101, and the output gear 101 is urged to be in abutment with the input gear 100 by the elastic force applied by the gear compression spring 107.
In order to better accommodate the gear compression spring 107, in this embodiment, a blind hole 108 is formed at the center of the output gear 101, an inner shaft 109 is formed at the center of the blind hole 108, the gear compression spring 107 is disposed in the blind hole 108, and the gear compression spring 107 is sleeved on the inner shaft 109.
Example two
The embodiment discloses a pressing clutch type three-clamping-arm mobile phone support, which is shown in fig. 1 to 10 and comprises a shell 1, wherein a gear transmission mechanism 10 and a motor driving mechanism 11 are arranged in the shell 1, two transverse clamping arms 2 and a longitudinal supporting arm 3 are arranged on the side portion of the shell 1, the transverse clamping arms 2 and the longitudinal supporting arm 3 are distributed in a shape of a Chinese character pin, the two transverse clamping arms 2 are respectively arranged on the left side and the right side of the shell 1, the transverse clamping arms 2 are L-shaped clamping arms comprising a transverse sliding block 20 and a vertical clamping block 21, the transverse sliding block 20 is inserted into the shell 1 and is in sliding connection with the transverse sliding block 20, and a transverse straight rack 22 is formed at the end portion of the transverse sliding block 20;
the longitudinal supporting arm 3 is a J-shaped supporting arm comprising a longitudinal sliding block 30 and a vertical supporting block 31, the longitudinal sliding block 30 is inserted into the shell 1 and is in sliding connection with the shell, and a longitudinal straight rack 32 is arranged at the end part of the longitudinal sliding block 30;
the gear transmission mechanism 10 comprises an input gear 100 and an output gear 101, the motor driving mechanism 11 comprises a motor 50 and a reduction gear set 51, a driving shaft of the motor 50, the reduction gear set 51 and the input gear 100 are in transmission fit in sequence, the input gear 100 and the output gear 101 are coaxially arranged and in transmission fit, the input gear 100 is meshed with the reduction gear set 51, two transverse straight racks 22 are respectively arranged at the upper side and the lower side of the output gear 101, the longitudinal straight rack 32 is arranged at the side part of the output gear 101, and the longitudinal straight rack 32 and the two transverse straight racks 22 are both meshed with the output gear 101;
the thickness of the output gear 101 is greater than the thickness of the transverse spur rack 22 and the thickness of the longitudinal spur rack 32, and the output gear 101 is capable of sliding axially relative to the transverse spur rack 22 and the longitudinal spur rack 32, a gear shaft 102 is formed at the center of the output gear 101, the gear shaft 102 passes through the input gear 100 and is rotationally matched with the input gear, the end surface of the input gear 100 is engaged with the end surface of the output gear 101 through a projection 103 and a notch 104 which are mutually inserted and matched, when the motor 50 is operated, the input gear 100 and the output gear 101 are driven to rotate synchronously by the reduction gear set 51, when an external force presses the gear shaft 102 and drives the output gear 101 away from the input gear 100, the projection 103 is separated from the notch 104 to allow the output gear 101 to rotate freely.
In the above-mentioned mobile phone support, under the driving action of the motor driving mechanism 11, the two horizontal clamping arms 2 and the vertical supporting arm 3 can be driven to open synchronously, when the mobile phone is placed on the vertical supporting arm 3, the two horizontal clamping arms 2 and the vertical supporting arm 3 can be driven to clamp the mobile phone synchronously, compared with the prior art, the utility model can realize the electric clamping cooperation, can also support and hold the mobile phone, and has the linkage opening and closing function, in addition, through the cooperation of the input gear 100 and the output gear 101, when the gear shaft 102 is not pressed, the driving shaft of the motor 50, the reduction gear set 51 and the gear transmission mechanism 10 are sequentially transmitted, and further the two horizontal clamping arms 2 and the vertical supporting arm 3 are driven to move synchronously, when the gear shaft 102 is pressed, the output gear 101 is separated from the input gear 100, at this time, the output gear 101 can rotate freely, and a user can easily and manually open the two transverse clamping arms 2, so that the function of conveniently taking out the mobile phone under the condition of power failure is realized, and the application requirements are better met.
In order to make the transverse clamping arms 2 and the longitudinal supporting arms 3 slide better, in this embodiment, an inner bracket 12 is fixed in the housing 1, and the transverse clamping arms 2 and the longitudinal supporting arms 3 are both in sliding fit with the inner bracket 12.
In this embodiment, a motor casing 13 is fixed to the bottom of the inner bracket 12, and the motor 50, the reduction gear set 51 and the gear transmission mechanism 10 are all disposed in the motor casing 13.
In order to avoid the two transverse spur racks 22, in this embodiment, a raised portion 120 is formed at the center of the inner bracket 12, avoidance openings 121 are respectively formed at two sides of the raised portion 120, the output gear 101 is located in the raised portion 120, and the two transverse spur racks 22 are respectively located in the two avoidance openings 121.
Preferably, a gear compression spring 107 is provided at an end of the output gear 101 opposite to the input gear 100, one end of the gear compression spring 107 and the output gear 101 are in contact with each other, the other end of the gear compression spring 107 and the bulge 120 are in contact with each other, and the output gear 101 is urged to be in close contact with the input gear 100 by an elastic force applied by the gear compression spring 107.
In this embodiment, a blind hole 108 is formed in the center of the output gear 101, an inner shaft rod 109 is formed in the center of the blind hole 108, the gear compression spring 107 is disposed in the blind hole 108, and the gear compression spring 107 is sleeved on the inner shaft rod 109.
In order to apply a pressing action conveniently, in the present embodiment, the gear shaft 102 passes through the motor protective casing 13 and is in sliding fit with the motor protective casing 13, a pressing cap 14 is embedded in the bottom of the housing 1, the pressing cap 14 is capable of moving up and down relative to the housing 1, the pressing cap 14 is aligned with an end of the gear shaft 102, and a pressing force is applied to the gear shaft 102 through the pressing cap 14.
In order to realize the wireless charging function, in this embodiment, a face frame 15 is fixed on the housing 1, and a wireless charging module 16 is embedded on the face frame 15.
Further, a panel 17 is fixed on the face frame 15, and the panel 17 covers the wireless charging module 16.
This embodiment is applicable to on-vehicle environment, specifically means, the bottom of casing 1 is equipped with adjustable fixture 6 that is used for centre gripping car air outlet grid.
The above is only the embodiment of the present invention, and is not intended to limit the present invention, and all modifications, equivalent replacements or improvements made within the technical scope of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a press disconnect-type gear drive, its characterized in that, including input gear and output gear, input gear with output gear coaxial setting and the two is range upon range of each other, the center department of output gear is formed with the gear shaft, the gear shaft passes input gear and the two normal running fit, the terminal surface of input gear with carry out the block through mutual grafting complex lug and notch between the terminal surface of output gear, borrow by input gear drives output gear synchronous revolution, when the external force presses the gear shaft and orders about output gear keeps away from when input gear, lug and notch separation, so that output gear can the free rotation.
2. The push-to-separate gear train of claim 1, wherein the output gear includes a rounded end portion having a diameter greater than a diameter of the output gear, the rounded end portion being stacked on an end surface of the input gear.
3. The push-to-separate gear transmission according to claim 2, wherein the end surface of the input gear is formed with a circular ring portion protruding outward, and the circular end portion is inserted into the circular ring portion.
4. The push-to-separate gear transmission according to claim 2, wherein the projection is provided on an end surface of the input gear and is integrally formed therewith, and the recess is provided on an end surface of the circular end portion.
5. The push-to-separate gear assembly according to claim 4, wherein the end surface of the input gear is provided with a plurality of protrusions which are evenly distributed along the circumference of the input gear, and the end surface of the circular end is provided with a plurality of notches which are aligned with the protrusions one by one.
6. The push-to-separate gear assembly according to claim 5 wherein said projection is elongated and extends radially of said input gear.
7. The push-to-separate gear transmission according to claim 6, wherein the width of the protrusion is gradually increased from the inside to the outside so that the surface of the protrusion has a fan shape.
8. The push-to-separate gear train of claim 6, wherein the notch has a width greater than a width of the tab such that a gap is formed between the tab and the notch.
9. The push-to-separate gear transmission according to claim 1, wherein a gear compression spring is disposed at an end of the output gear opposite to the input gear, and an end of the gear compression spring abuts against the output gear, so that the output gear is urged to abut against the input gear by an elastic force exerted by the gear compression spring.
10. The push-to-separate gear transmission mechanism according to claim 9, wherein the output gear has a blind hole at a center thereof, an inner shaft is formed at the center of the blind hole, the gear compression spring is disposed in the blind hole, and the gear compression spring is sleeved on the inner shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577857.3U CN213305468U (en) | 2020-11-09 | 2020-11-09 | Press disconnect-type gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577857.3U CN213305468U (en) | 2020-11-09 | 2020-11-09 | Press disconnect-type gear drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213305468U true CN213305468U (en) | 2021-05-28 |
Family
ID=76014302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022577857.3U Active CN213305468U (en) | 2020-11-09 | 2020-11-09 | Press disconnect-type gear drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213305468U (en) |
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2020
- 2020-11-09 CN CN202022577857.3U patent/CN213305468U/en active Active
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