CN210469429U - Clutch type electric mobile phone support - Google Patents

Abstract

The utility model discloses an electronic cell phone stand of separation and reunion formula, it is including the casing, the left and right sides of casing is equipped with horizontal clamping jaw respectively, horizontal clamping jaw is "L" shape clamping jaw including horizontal support arm and vertical support arm, the casing is including the inner shell, be equipped with the motor that the transmission is connected in proper order in the inner shell, reduction gear group and driving gear, the tip of horizontal support arm is formed with horizontal spur rack, two horizontal spur rack are parallel to each other, be equipped with driven gear between two horizontal spur rack, and driven gear respectively with two horizontal spur rack intermeshing, driving gear and the coaxial setting of driven gear, and form the circumference stress of preset power value between driving gear and the driven gear, make driving gear and driven gear closely cooperate by this circumference stress, and drive driven gear by the driving gear and rotate. The utility model discloses can open two horizontal clamping jaws under the power down state manually to the user takes off the cell-phone, and then satisfies the market demand.

Description

Clutch type electric mobile phone support

Technical Field

The utility model relates to a cell phone stand especially relates to an electronic cell phone stand of separation and reunion formula.

Background

The mobile phone support is used for clamping a mobile phone and placing and fixing the mobile phone at a designated position, can be generally applied to a desktop, an automobile center console and the like, is convenient for a user to take and place the mobile phone, and can be generally designed into an electric structure. However, in the conventional driving mechanism, the speed reduction mechanism, the worm gear transmission mechanism and the like in the driving mechanism only have a one-way transmission function, that is, the mechanism can only be driven to operate by the motor at the input side, and when the output side of the driving mechanism bears the driving force, the speed reduction mechanism, the worm gear transmission mechanism and the like are blocked.

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 can be under the power down state manually open two horizontal clamping jaws to the user takes off the cell-phone, and then satisfies the electronic cell phone stand of separation and reunion formula of market demand.

In order to solve the technical problem, the utility model adopts the following technical scheme.

A clutch type electric mobile phone support comprises a shell, wherein the left side and the right side of the shell are respectively provided with a transverse clamping jaw, the transverse clamping jaw is an L-shaped clamping jaw comprising a transverse support arm and a vertical support arm, the shell comprises an inner shell, the two transverse support arms respectively penetrate through the left side wall and the right side wall of the shell, the two transverse support arms are respectively in sliding connection with the inner shell, a motor, a reduction gear set and a driving gear which are sequentially connected are arranged in the inner shell, the end part of each transverse support arm is provided with a transverse straight rack, the two transverse straight racks are parallel to each other, a driven gear is arranged between the two transverse straight racks and is respectively meshed with the two transverse straight racks, the driving gear is coaxially arranged with the driven gear, and a circumferential stress of a preset force value is formed between the driving gear and the driven gear, the driving gear and the driven gear are tightly matched by the circumferential stress, and the driving gear drives the driven gear to rotate.

Preferably, a circuit board is arranged in the shell, the motor is electrically connected to the circuit board, and the motor is controlled to operate by the circuit board.

Preferably, a longitudinal clamping jaw is inserted into the side portion of the housing, the longitudinal clamping jaw and the two transverse clamping jaws are distributed in a 'pin' shape, a longitudinal spur rack is formed at the end portion of the longitudinal clamping jaw, and the longitudinal spur rack is meshed with the driven gear.

Preferably, a longitudinal limiting column is arranged in the shell, a longitudinal slot is formed in the longitudinal clamping jaw, and the longitudinal limiting column penetrates through the longitudinal slot and is in sliding connection with the longitudinal slot.

Preferably, a longitudinal sliding rod is formed at the end of the longitudinal clamping jaw, a U-shaped opening is formed between the longitudinal sliding rod and the longitudinal spur rack, and the driven gear is located in the U-shaped opening.

Preferably, the inner shell is including interior epitheca and interior inferior valve, the top of interior epitheca is formed with the convex cap, driven gear is located the convex cap is inboard, the opening has been seted up respectively to the both sides of convex cap, the tooth of driven gear both sides is located respectively in the opening of convex cap both sides, two horizontal spur racks are located respectively the both sides of convex cap.

Preferably, a transverse slide way is arranged at the top of the inner upper shell, the transverse support arm is connected with the transverse slide way in a sliding manner, a transverse limit column is arranged in the transverse slide way, a transverse slotted hole is formed in the transverse support arm, and the transverse limit column penetrates through the transverse slotted hole and the transverse slotted hole in a sliding manner.

Preferably, a top shell is arranged at the top of the shell, and a panel is fixed at the top of the top shell.

Preferably, the annular groove has been seted up at the top of driving gear, a plurality of bayonets that are sunken form have been seted up to the inside wall of annular groove, and a plurality of bayonets are followed the inside wall evenly distributed of annular groove, driven gear's bottom is located in the annular groove, driven gear's the outside is equipped with the elastic ring, the elastic ring with be formed with the clearance of predetermineeing the width between the driven gear, the elastic ring with connecting portion through two at least symmetries settings between the driven gear are connected, the lateral wall of elastic ring is formed with at least one protrudingly, protruding card is located in the annular groove, work as when the driving gear rotates, borrow by protruding with the block effect of annular groove orders about driven gear rotates.

Preferably, the top surface of the driving gear is provided with lower end face teeth, the bottom surface of the driven gear is provided with upper end face teeth, the lower end face teeth and the upper end face teeth are meshed with each other, a compression spring is clamped between the bottom of the driving gear and the inner shell, and the lower end face teeth and the upper end face teeth are tightly matched by means of elastic force applied by the compression spring.

The utility model discloses an among the electronic cell phone stand of separation and reunion formula, work as during the motor operation, through reduction gear set orders about the driving gear and rotates, because of the driving gear with driven gear is coaxial to be set up, closely cooperates, and the junction of the two has certain circumference stress, works as under the effect of this circumference stress the driving gear during operation, can drive driven gear rotates in the lump, and this circumference stress accessible is in the driving gear with driven gear's junction sets up block structure, friction structure, damping structure and realizes, borrows the effect of block power, the effect of friction power or damping power to make the driving gear with possess above-mentioned stress between the driven gear, and then play the torque transmission effect for two horizontal clamping jaws can press from both sides the cell-phone tightly. When the cell phone stand falls the electricity, in order to take off the cell-phone, can directly outwards stimulate two horizontal clamping jaws, two horizontal spur racks with under driven gear's meshing effect, for driven gear provides reverse rotatory drive power, overcomes when reverse drive power the driving gear with during circumferential stress between the driven gear, driven gear can be relative the driving gear rotates, makes driven gear takes place the idle running, and then opens two horizontal clamping jaws, and the cell-phone can be taken off easily to the user, has satisfied user and market demand betterly.

Drawings

Fig. 1 is a structural diagram of a mobile phone holder after holding a mobile phone in a preferred mode of the present invention;

fig. 2 is a perspective view of a mobile phone stand according to a preferred embodiment of the present invention;

fig. 3 is an exploded view of a mobile phone holder according to a preferred embodiment of the present invention;

fig. 4 is a first internal structure diagram of a mobile phone holder according to a preferred embodiment of the present invention;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a view showing an internal structure of an inner case according to a preferred embodiment of the present invention;

FIG. 7 is a first structural diagram of a driving gear and a driven gear according to a preferred embodiment of the present invention;

fig. 8 is a second structural view of the driving gear and the driven gear in a preferred embodiment of the present invention;

fig. 9 is a second internal structure diagram of the mobile phone holder according to a preferred embodiment of the present invention;

FIG. 10 is a first schematic view of a longitudinal jaw in a preferred embodiment of the present invention;

FIG. 11 is a second schematic view of a longitudinal jaw of the present invention in a preferred embodiment;

FIG. 12 is a side view of a preferred embodiment of the present invention;

fig. 13 is an internal structure view of a mobile phone holder according to another preferred embodiment of the present invention;

FIG. 14 is an exploded view of FIG. 13;

FIG. 15 is a view showing an internal structure of an inner case according to another preferred embodiment of the present invention;

FIG. 16 is a schematic view of a driving gear and a driven gear according to another preferred embodiment of the present invention;

FIG. 17 is a first exploded view of the support mechanism;

FIG. 18 is a structural view of the support mechanism;

fig. 19 is an exploded view of the second support mechanism.

Detailed Description

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Example one

This embodiment has proposed an electronic cell phone stand of separation and reunion formula, combine and show in fig. 1 to 12, it includes casing 1, the left and right sides of casing 1 is equipped with horizontal clamping jaw 2 respectively, horizontal clamping jaw 2 is "L" shape clamping jaw including horizontal support arm 20 and vertical support arm 21, casing 1 is including inner shell 3, and two horizontal support arms 20 pass respectively two lateral walls about casing 1, and two horizontal support arms 20 respectively with inner shell 3 sliding connection, be equipped with motor 30, reduction gear set 31 and driving gear 32 that the transmission is connected in proper order in the inner shell 3, the tip of horizontal support arm 20 is formed with horizontal spur rack 200, and two horizontal spur rack 200 are parallel to each other, is equipped with driven gear 33 between two horizontal spur rack 200, just driven gear 33 is intermeshing with two horizontal spur rack 200 respectively, driving gear 32 with driven gear 33 is coaxial setting, and a circumferential stress with a preset force value is formed between the driving gear 32 and the driven gear 33, the driving gear 32 and the driven gear 33 are tightly matched by the circumferential stress, and the driving gear 32 drives the driven gear 33 to rotate.

In the mobile phone support, when the motor 30 operates, the driving gear 32 is driven to rotate by the reduction gear set 31, and because the driving gear 32 and the driven gear 33 are coaxially arranged and tightly matched, and the joint of the driving gear 32 and the driven gear 33 has a certain circumferential stress, under the action of the circumferential stress, when the driving gear 32 operates, the driven gear 33 can be driven to rotate together, the circumferential stress can be realized by arranging a clamping structure, a friction structure and a damping structure at the joint of the driving gear 32 and the driven gear 33, and the driving gear 32 and the driven gear 33 have the stress by the action of the clamping force, the action of the friction force or the action of the damping force, so that the torque transmission effect is achieved, and the mobile phone 100 can be clamped by the two transverse clamping jaws 2. When the cell phone stand falls the electricity, in order to take off cell-phone 100, can directly outwards stimulate two horizontal clamping jaw 2, two horizontal spur rack 200 with under driven gear 33's meshing effect, for driven gear 33 provides reverse rotatory drive power, overcomes as reverse drive power driving gear 32 with during circumferential stress between driven gear 33, driven gear 33 can be relative driving gear 32 rotates, makes driven gear 33 takes place the idle running, and then opens two horizontal clamping jaw 2, and the user can take off cell-phone 100 easily, has satisfied user and market demand betterly.

In order to facilitate the electric control, in this embodiment, a circuit board 4 is disposed in the housing 1, the motor 30 is electrically connected to the circuit board 4, and the operation of the motor 30 is controlled by the circuit board 4.

In order to support, in this embodiment, a longitudinal clamping jaw 5 is inserted into a side portion of the housing 1, the longitudinal clamping jaw 5 and the two lateral clamping jaws 2 are distributed in a "pin" shape, a longitudinal spur rack 50 is formed at an end portion of the longitudinal clamping jaw 5, and the longitudinal spur rack 50 is engaged with the driven gear 33.

In order to make the longitudinal clamping jaw 5 slide better, in this embodiment, a longitudinal limiting column 51 is disposed in the housing 1, a longitudinal slot 52 is disposed on the longitudinal clamping jaw 5, and the longitudinal limiting column 51 passes through the longitudinal slot 52 and is connected to the longitudinal clamping jaw 5 in a sliding manner.

In order to achieve a closer fit between the longitudinal spur rack 50 and the driven gear 33, in this embodiment, a longitudinal slide rod 53 is formed at an end of the longitudinal clamping jaw 5, a U-shaped opening 54 is formed between the longitudinal slide rod 53 and the longitudinal spur rack 50, and the driven gear 33 is located in the U-shaped opening 54.

Regarding the specific structure of the inner shell 3, in this embodiment, the inner shell 3 includes an inner upper shell 34 and an inner lower shell 35, a convex cap 36 is formed at the top end of the inner upper shell 34, the driven gear 33 is located inside the convex cap 36, openings 360 are respectively opened at two sides of the convex cap 36, teeth at two sides of the driven gear 33 are respectively located in the openings 360 at two sides of the convex cap 36, and two transverse straight racks 200 are respectively disposed at two sides of the convex cap 36.

As a preferable mode, a transverse slideway 37 is formed at the top of the inner upper shell 34, the transverse support arm 20 is connected to the transverse slideway 37 in a sliding manner, a transverse limit post 370 is arranged in the transverse slideway 37, a transverse slot 201 is formed in the transverse support arm 20, and the transverse limit post 370 penetrates through the transverse slot 201 and is connected to the transverse slot 201 in a sliding manner.

In this embodiment, a top case 10 is disposed on the top of the housing 1, and a panel 11 is fixed on the top of the top case 10.

In order to realize the wireless charging function, in this embodiment, the inside of the top case 10 is provided with a wireless charging module 12, and the wireless charging module 12 is electrically connected to the circuit board 4.

In order to facilitate the user to enter the control command, in this embodiment, a touch switch 13 is disposed on a side portion of the housing 1, and the touch switch 13 is electrically connected to the circuit board 4.

Example two

The embodiment provides a clutch type gear transmission mechanism, which is shown in fig. 5 to 8, and includes a driving gear 32 and a driven gear 33 coaxially disposed, wherein an annular groove 320 is disposed at a top of the driving gear 32, a plurality of concave bayonets 321 are disposed on an inner sidewall of the annular groove 320, the plurality of bayonets 321 are uniformly distributed along the inner sidewall of the annular groove 320, a bottom of the driven gear 33 is disposed in the annular groove 320, an elastic ring 330 is disposed on an outer side of the driven gear 33, a gap 331 with a predetermined width is formed between the elastic ring 330 and the driven gear 33, the elastic ring 330 and the driven gear 33 are connected by at least two symmetrically disposed connecting portions 332, at least one protrusion 333 is formed on an outer sidewall of the elastic ring 330, the protrusion 333 is engaged with the annular groove 320, when the driving gear 32 rotates, the driven gear 33 is driven to rotate by the engagement of the protrusion 333 and the annular groove 320.

In the above mechanism, the bottom of the driven gear 33 is inserted into the annular groove 320 at the top of the driving gear 32, so that the driven gear 33 and the driving gear 32 are coaxially arranged, meanwhile, the elastic ring 330 at the outer side of the driven gear 33 and the inner side wall of the annular groove 320 are tightly matched with the bayonet 321 through the protrusions 333 which are mutually clamped, because the gap 331 has a certain width, the elastic ring 330 can be elastically deformed under the external force, when the driving gear 32 is subjected to the driving torque force, the driving gear 32 can drive the driven gear 33 to rotate together under the mutual clamping of the protrusions 333 and the bayonet 321, so as to realize the forward driving, when the driven gear 33 is subjected to the reverse driving torque force, only when the reverse driving torque force reaches a sufficient value, and after the stress between the protrusions 333 and the bayonet 321 is overcome, the elastic ring 330 can be elastically deformed, so that the protrusion 333 can sequentially slide between the plurality of bayonets 321, and further, the driven gear 33 can reversely rotate, based on the above structure, the driving gear 32 and the driven gear 33 can sequentially transmit when receiving a forward driving force, and when receiving a reverse driving force, the driven gear 33 can be driven to idle only when the reverse driving force reaches a sufficient force value, so that the clutch type gear transmission mechanism is suitable for being applied to transmission occasions such as an electric mobile phone support, and in addition, the present invention preferably arranges the elastic ring 330 at the outer side of the driven gear 33, under the action of the gap 331, the elastic ring 330 can have a certain elastic deformation amount, so as to provide a moving space for the protrusion 333, compared with the way of rigidly fastening the protrusion 333 and the bayonets 321, the utility model discloses can significantly reduce the wearing and tearing between protruding 333 and bayonet 321, and then improve transmission performance and life.

In order to facilitate manufacturing, in this embodiment, the elastic ring 330, the driven gear 33, and the connecting portion 332 are integrally formed.

In order to have both forward transmission and reverse sliding functions, in the embodiment, the bayonet 321 is an arc bayonet, and the protrusion 333 is an arc protrusion.

In order to realize the coaxial connection between the driven gear 33 and the driving gear 32, in this embodiment, a stepped hole 334 is formed at the center of the bottom of the driven gear 33, a central shaft 321 is formed at the center of the annular groove 320, and the central shaft 321 is inserted into the stepped hole 334 and is rotatably connected with the stepped hole 334.

Further, the central shaft 321 is hollow.

Preferably, two connecting portions 332 are provided between the elastic ring 330 and the driven gear 33, and the two connecting portions 332 are symmetrically provided on both sides of the driven gear 33. The two connecting portions 332 can support the elastic ring 330 and ensure that the elastic ring 330 has an optimal elastic deformation capability.

In a preferred structure, two protrusions 333 are formed on the outer side wall of the elastic ring 330, and the two protrusions 333 are symmetrically disposed on both sides of the elastic ring 330.

Further, a line between the two protrusions 333 is perpendicular to a line between the two connecting portions 332. The above structure allows the two protrusions 333 to better transmit the reverse stress to the elastic ring 330, and at the same time, allows the elastic ring 330 to be uniformly stressed.

To better describe the present embodiment, the present embodiment further provides a motor driving device for a mobile phone holder, which is shown in fig. 5 to 8, and includes an inner case 3, a driven gear 33, a motor 30, a reduction gear set 31, and a driving gear 32 are disposed in the inner case 3, the driving gear 32 is sequentially connected to the driven gear 33 in a transmission manner, an annular groove 320 is disposed at the top of the driving gear 32, a plurality of concave bayonets 321 are disposed on an inner sidewall of the annular groove 320, the plurality of bayonets 321 are uniformly distributed along the inner sidewall of the annular groove 320, the bottom of the driven gear 33 is disposed in the annular groove 320, an elastic ring 330 is disposed on an outer side of the driven gear 33, a gap 331 with a preset width is formed between the elastic ring 330 and the driven gear 33, the elastic ring 330 and the driven gear 33 are connected by at least two symmetrically disposed connecting portions 332, at least one protrusion 333 is formed on the outer side wall of the elastic ring 330, the protrusion 333 is clamped in the annular groove 320, and when the driving gear 32 rotates, the driven gear 33 is driven to rotate by the clamping action of the protrusion 333 and the annular groove 320.

Further, a worm 38 is fixed to an output shaft of the motor 30, a front end gear of the reduction gear set 31 is engaged with the worm 38, and a rear end gear of the reduction gear set 31 is engaged with the driving gear 32.

EXAMPLE III

At present, in order to better clamp a mobile phone, a plurality of mobile phone supports are generally provided with a longitudinal clamping jaw in order to clamp the mobile phone by two transverse clamping jaws, and the longitudinal clamping jaw generally plays a supporting role.

In order to solve the above technical problem, the embodiment provides a longitudinal supporting mechanism for a mobile phone support, which can realize soft contact between a longitudinal clamping jaw and a mobile phone and protect the edge of the mobile phone from abrasion, and further meet the requirements of users and markets, and is shown in fig. 5, fig. 10 and fig. 11, and includes the longitudinal clamping jaw 5, a supporting portion 55 is formed at the end portion of the longitudinal clamping jaw 5, the supporting portion 55 bends towards the top direction of the longitudinal clamping jaw 5, and a soft rubber sleeve 56 is sleeved on the supporting portion 55 and is tightly matched with the supporting portion and the soft rubber sleeve 56.

In the structure, the supporting part 55 supports the mobile phone, and the supporting part 55 is sleeved with the soft rubber sleeve 56, so that the soft contact between the longitudinal clamping jaw 5 and the mobile phone is realized due to the elasticity of the soft rubber sleeve 56, the edge of the mobile phone is effectively protected from being abraded, and the requirements of users and markets are further met.

As a preferred structure, the supporting portion 55 and the soft rubber cover 56 are fork-shaped.

Further, the holding portion 55 is bent in an arc shape.

In this embodiment, the soft rubber sleeve 56 is a rubber sleeve made of a silica gel material. However, this is only a preferred embodiment of the present invention, and in practical applications, other soft materials may be used as needed.

Preferably, the width of the holding portion 55 is smaller than the width of the longitudinal jaw 5. In this embodiment, the supporting portion 55 is preferably configured to be narrower, and when the soft rubber sleeve 56 is sleeved on the supporting portion 55, the surface of the soft rubber sleeve 56 may be close to be flush with the surface of the longitudinal clamping jaw 5, so that the overall shape of the longitudinal supporting mechanism is better and the appearance is smoother.

In order to make the longitudinal clamping jaw 5 and the soft rubber sleeve 56 be combined more tightly, in this embodiment, fixing notches 550 are respectively opened on two sides of the supporting portion 55, two fixing protrusions 551 are formed on the inner side of the soft rubber sleeve 56, the fixing protrusions 551 are aligned with the fixing notches 550 one by one, and the fixing protrusions 551 are clamped in the fixing notches 550.

This embodiment still relates to a cell phone stand, combine fig. 3, fig. 5, fig. 10 and fig. 11 to show, it is including casing 1, the left and right sides of casing 1 is equipped with horizontal clamping jaw 2 respectively, the lateral part of casing 1 is inserted and is equipped with vertical clamping jaw 5, vertical clamping jaw 5 is "article" shape distribution with two horizontal clamping jaws 2, the tip of vertical clamping jaw 5 is formed with holds the portion 55 in the palm, just hold the portion 55 in the palm to the top direction of vertical clamping jaw 5 is buckled, the cover is equipped with soft gum cover 56 and the two closely cooperates on holding the portion 55 in the palm.

Example four

As an alternative, the difference between the present embodiment and the second embodiment is that, as shown in fig. 13 to 16, the top surface of the driving gear 32 is provided with lower end face teeth 324, the bottom surface of the driven gear 33 is provided with upper end face teeth 335, the lower end face teeth 324 are engaged with the upper end face teeth 335, a compression spring 39 is interposed between the bottom of the driving gear 32 and the inner shell 3, and the lower end face teeth 324 are tightly engaged with the upper end face teeth 335 by the elastic force applied by the compression spring 39.

In the above structure, the upper end face teeth 335 and the lower end face teeth 324 cooperate with each other to provide a certain circumferential stress at the joint between the driving gear 32 and the driven gear 33, and under the action of the circumferential stress, when the driving gear 32 operates, the driven gear 33 is driven to rotate together, and when the driven gear 33 receives a driving force of a reverse rotation and the reverse driving force overcomes the engaging stress between the upper end face teeth 335 and the lower end face teeth 324, the driven gear 33 may idle, and further, the two lateral jaws 2 are opened.

In addition, in this embodiment, the longitudinal clamping jaw 5 includes a first longitudinal support arm 57 and a second longitudinal support arm 58, the longitudinal spur rack 50 is disposed at an end of the second longitudinal support arm 58, the supporting portion 55 is disposed at an end of the first longitudinal support arm 57, the first longitudinal support arm 57 and the second longitudinal support arm 58 are stacked, a through hole 570 is disposed on the first longitudinal support arm 57, a stopper 580 is formed on the second longitudinal support arm 58, the stopper 580 penetrates through the through hole 570, the stopper 580 is movable in the through hole 570, a clamping column 572 is formed on an inner wall of the through hole 570, a return spring 572 is sleeved on the clamping column 571, and the return spring is clamped between the inner wall of the through hole 570 and the stopper 580.

In the structure, after the mobile phone is placed on the longitudinal clamping jaw 5, the mobile phone plays an elastic buffering role on the longitudinal clamping jaw 5 under the action of the reset spring 572, so that the mobile phone is prevented from being in rigid contact with the longitudinal clamping jaw 5, and the mobile phone is particularly suitable for vehicle-mounted and other bumpy environments.

EXAMPLE five

This embodiment can be with on the cell phone stand installation is fixed in car air outlet grid, combine fig. 17 to 19 to show, in this embodiment, the bottom that the bottom of casing 1 was equipped with supporting mechanism 6, the bottom be equipped with supporting mechanism 6, supporting mechanism 6 is including montant 60 and lock shell 61, the bottom of montant 60 is formed with colluding shape portion 62, montant 60 passes lock shell 61 and two sliding connection, be equipped with on the lock shell 61 be used for with the lock shell 61 with the locking mechanism of montant 60 fastening.

Furthermore, the locking mechanism comprises a sliding block 63 and a locking spring 64, wherein vertical rod teeth 600 are formed on the side of the vertical rod 60, a locking tongue 630 is formed on the sliding block 63, the locking spring 64 abuts against between the lock case 61 and the sliding block 63, and the locking tongue 630 is clamped to the vertical rod teeth 600 by means of the elastic force exerted by the locking spring 64.

Preferably, the sliding block 63 and the locking spring 64 are both arranged in the lock case 61, the end of the sliding block 63 passes through the lock case 61, a through hole 631 is formed in the sliding block 63, the vertical rod 60 passes through the through hole 631, the latch 630 is located inside the through hole 631, two arc-shaped legs 65 are formed on the outer side of the lock case 61, and the arc-shaped legs 65 are connected with the lock case 61 through a connecting arm 66.

Under the effect of above-mentioned supporting mechanism 6, utilize and collude shape portion 62 and can be with cell phone stand reliable and stable centre gripping in the air outlet grid of car, simultaneously under locking mechanism's effect, can realize the regulation to the centre gripping width, and then be applicable to the automobile air outlet grid of multiple width, improved the compatibility of product greatly, better satisfied market demand.

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. A clutch type electric mobile phone support is characterized by comprising a shell, wherein the left side and the right side of the shell are respectively provided with a transverse clamping jaw, the transverse clamping jaw is an L-shaped clamping jaw comprising a transverse support arm and a vertical support arm, the shell comprises an inner shell, the two transverse support arms respectively penetrate through the left side wall and the right side wall of the shell, the two transverse support arms are respectively in sliding connection with the inner shell, a motor, a reduction gear set and a driving gear which are connected in sequence are arranged in the inner shell, the end part of each transverse support arm is provided with a transverse straight rack, the two transverse straight racks are parallel to each other, a driven gear is arranged between the two transverse straight racks, the driven gear is respectively meshed with the two transverse straight racks, the driving gear is coaxially arranged with the driven gear, and a circumferential stress of a preset force value is formed between the driving gear and the driven gear, the driving gear and the driven gear are tightly matched by the circumferential stress, and the driving gear drives the driven gear to rotate.

2. The clutch type electric mobile phone support according to claim 1, wherein a circuit board is disposed in the housing, the motor is electrically connected to the circuit board, and the motor is controlled by the circuit board to operate.

3. The clutch type electric mobile phone support according to claim 1, wherein a longitudinal clamping jaw is inserted into a side portion of the housing, the longitudinal clamping jaw and the two transverse clamping jaws are distributed in a 'pin' shape, a longitudinal spur rack is formed at an end portion of the longitudinal clamping jaw, and the longitudinal spur rack is meshed with the driven gear.

4. The clutch type electric mobile phone support according to claim 3, wherein a longitudinal limiting column is arranged in the shell, a longitudinal slot is formed in the longitudinal clamping jaw, and the longitudinal limiting column penetrates through the longitudinal slot and is connected with the longitudinal clamping jaw in a sliding manner.

5. The clutch type electric mobile phone support according to claim 3, wherein a longitudinal sliding rod is formed at an end of the longitudinal clamping jaw, a U-shaped opening is formed between the longitudinal sliding rod and the longitudinal spur rack, and the driven gear is located in the U-shaped opening.

6. The clutch type electric mobile phone support according to claim 1, wherein the inner shell comprises an inner upper shell and an inner lower shell, a convex cap is formed at the top end of the inner upper shell, the driven gear is located inside the convex cap, openings are respectively formed in two sides of the convex cap, teeth on two sides of the driven gear are respectively located in the openings in two sides of the convex cap, and two transverse straight racks are respectively arranged on two sides of the convex cap.

7. The clutch type electric mobile phone support according to claim 6, wherein a transverse slide way is formed at the top of the inner upper shell, the transverse support arm is connected with the transverse slide way in a sliding manner, a transverse limit post is arranged in the transverse slide way, a transverse slotted hole is formed in the transverse support arm, and the transverse limit post penetrates through the transverse slotted hole and is connected with the transverse slotted hole in a sliding manner.

8. The clutch type electric mobile phone support according to claim 1, wherein a top shell is arranged on the top of the shell, and a panel is fixed on the top of the top shell.

9. The clutch type electric mobile phone support according to claim 1, wherein an annular groove is formed at the top of the driving gear, a plurality of recessed bayonets are formed on the inner side wall of the annular groove, the bayonets are uniformly distributed along the inner side wall of the annular groove, the bottom of the driven gear is arranged in the annular groove, an elastic ring is arranged on the outer side of the driven gear, a gap with a preset width is formed between the elastic ring and the driven gear, the elastic ring and the driven gear are connected through at least two symmetrically arranged connecting parts, at least one protrusion is formed on the outer side wall of the elastic ring, the protrusion is clamped in the annular groove, and when the driving gear rotates, the driven gear is driven to rotate by the clamping action of the protrusion and the annular groove.

10. The clutch type electric mobile phone support according to claim 1, wherein the top surface of the driving gear is provided with lower end face teeth, the bottom surface of the driven gear is provided with upper end face teeth, the lower end face teeth and the upper end face teeth are engaged with each other, a compression spring is clamped between the bottom of the driving gear and the inner shell, and the lower end face teeth and the upper end face teeth are tightly matched by means of elastic force applied by the compression spring.

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