CN218021447U - Pressing support capable of being operated by single hand - Google Patents

Abstract

The utility model provides a can one-hand operation press down support, include: a housing; the first clamping arm and the second clamping arm are movably connected to two sides of the shell and can synchronously move close to or away from each other; the button is movably arranged on the shell; the first transmission gear comprises a first main gear and a first pinion which are overlapped and fixed with each other, the radius and the tooth number of the first main gear are both larger than those of the first pinion, the second transmission gear comprises a second main gear and a second pinion which are overlapped and fixed with each other, the radius and the tooth number of the second main gear are both larger than those of the second pinion, the first main gear is meshed with the second pinion, the button is in transmission connection with the first pinion, and the first clamping arm is in transmission connection with the second main gear; and the switch is movably arranged on the shell to lock or unlock the first clamping arm. The utility model discloses a pressing the support and can realizing one-hand operation, and easy operation, convenience bring good product experience for the user and feel.

Description

Pressing support capable of being operated by single hand

Technical Field

The utility model relates to an electronic equipment accessory technical field, in particular to can one-hand operation press down support.

Background

With the development of society, the living standard of people is increasingly improved, and automobiles enter thousands of households to become basic transportation tools. In order to avoid influencing driving, people usually use a vehicle-mounted support to fix electronic products such as mobile phones and the like so as to conveniently perform operations such as navigation, video playing and the like. The existing gravity bracket needs two hands to press to open the left clamping arm and the right clamping arm due to the fact that the pressing stroke is too large, and operation is inconvenient. For example, application No. 202022579435.X, entitled as a utility model of a gravity mechanical linkage vehicle-mounted mobile phone support, need to press first handle and second handle simultaneously when opening the support to make first arm lock and second arm lock open, connect through two gears that the size is the same between first handle and the second handle, the drive ratio is 1; especially for a mobile phone with a larger size, two hands are required to complete the pressing action.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can one-hand operation's that can effectively solve above-mentioned problem press the support.

The utility model provides a can one-hand operation press down support, include: a housing; the first clamping arm and the second clamping arm are movably connected to two sides of the shell, and can synchronously move close to or away from each other; the button is movably arranged on the shell; the first transmission gear comprises a first main gear and a first pinion which are fixedly overlapped with each other, the radius and the tooth number of the first main gear are both larger than those of the first pinion, the second transmission gear comprises a second main gear and a second pinion which are fixedly overlapped with each other, the radius and the tooth number of the second main gear are both larger than those of the second pinion, the first main gear is meshed with the second pinion, the button is in transmission connection with the first pinion, and the first clamping arm is in transmission connection with the second main gear; and the switch is movably arranged on the shell to lock or unlock the first clamping arm.

In one embodiment, the transmission ratio between the button and the first clamp arm is 1: and X is greater than 1, and when the button moves for a distance, the first clamping arm moves for X distances.

In one embodiment, the button is movably arranged on one side of the shell in a penetrating mode, the button is provided with a driving rack, and the driving rack is meshed with the first secondary gear.

In one embodiment, a first elastic member is disposed between one end of the button located in the housing and the housing, and the first elastic member elastically biases the button toward the outside of the housing.

In an embodiment, when the switch locks the first clamping arm, the switch can limit the first clamping arm and the second clamping arm from moving relatively close to each other, and one end of the switch movably protrudes between the first clamping arm and the second clamping arm to be pressed to trigger the switch to switch between a locking state and an unlocking state.

In an embodiment, the switch is movably disposed through the housing, the switch includes an abutting portion, the abutting portion passes through the housing and protrudes between the first clamping arm and the second clamping arm, and one end of the switch located in the housing abuts against the housing through a second elastic member.

In an embodiment, a clamping space for clamping the electronic device is formed between the first clamping arm and the second clamping arm, a panel is arranged on one side of the housing, which is located in the clamping space, the panel is rotatably connected with the housing, the abutting portion abuts against the panel, and the panel is rotated to trigger the switch to lock or unlock the first clamping arm; the first clamping arm is provided with a transmission rack, and the transmission rack is meshed with the second main gear.

In an embodiment, the first clamping arm and the second clamping arm are movably inserted into two sides of the housing respectively, a gear is arranged in the housing, the first clamping arm is provided with a first rack, the second clamping arm is provided with a second rack, and the first rack and the second rack are respectively engaged with two opposite sides of the gear; and a third elastic piece is arranged between the second clamping arm and the shell, and the third elastic piece elastically biases the second clamping arm to drive the second clamping arm to move towards the first clamping arm.

In one embodiment, the pressing bracket further comprises a bottom support which can be movably inserted at the bottom of the shell.

In an embodiment, the pressing bracket further comprises at least one third transmission gear in transmission connection between the first transmission gear and the second transmission gear, and the third transmission gear comprises a third main gear and a third sub-gear which are fixed to each other in an overlapping manner.

To sum up, the utility model provides a can one-hand operation press down support sets up the switch between first arm lock and casing, and switch elasticity butt triggers switch locking or unblock first arm lock when panel rotates between panel and casing. A button is arranged on one side of the shell and connected with the first clamping arm through a plurality of transmission gears, so that the first clamping arm and the second clamping arm can be driven to move for a long stroke by pressing the button to move for a short stroke. When electronic equipment is arranged on the support, the switch locks the first clamping arm, the first clamping arm can only move towards the direction far away from the second clamping arm, the button is pressed to drive the first clamping arm and the second clamping arm to be opened, then the electronic equipment is placed in by loosening the hands, the electronic equipment is pressed to extrude the panel to enable the panel to rotate towards one side of the shell and abut against the switch, the switch unlocks the first clamping arm, and the first clamping arm and the second clamping arm reset and clamp the electronic equipment. The utility model discloses a pressing down the support and can realizing one-hand operation, and easy operation, convenience, centre gripping electronic equipment is firm, brings good product experience for the user and feels.

Drawings

Fig. 1 is a perspective view of a pressing bracket according to an exemplary embodiment of the present invention in a clamped state.

Fig. 2 is a schematic view of the internal structure of the pressing bracket of fig. 1 at an angle.

Fig. 3 is a schematic view of the internal structure of the pressing bracket in fig. 1 at another angle.

Fig. 4 is a perspective view of the pressing bracket according to an exemplary embodiment of the present invention in an opened state.

Fig. 5 is a schematic view of an internal structure of the pressing bracket of fig. 4.

Fig. 6 is another internal structure diagram of the pressing bracket of fig. 4.

Fig. 7 is an exploded view of an exemplary pressing bracket according to the present invention.

Fig. 8 is a further exploded view of the pressing bracket of fig. 7.

Fig. 9 is an exploded view of the pressing frame of fig. 8 at another angle.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

In the embodiment of the present application, all directional indicators (such as up, down, left, right, front, and rear' \8230;) are used only to explain the relative positional relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 1 to 9, the present invention provides a pressing bracket 10 capable of being operated by a single hand, the pressing bracket 10 can be used for a vehicle-mounted bracket to load an electronic device, such as a mobile phone or a tablet computer. The pressing bracket 10 includes a housing 12 and a clamping assembly 14 mounted on the housing 12, in this embodiment, the clamping assembly 14 includes a first clamping arm 16, a second clamping arm 18 and a bottom base 20, the first clamping arm 16, the second clamping arm 18 and the bottom base 20 together enclose a clamping space 22, and the mobile phone can be mounted in the clamping space 22 horizontally or vertically. The first clipping arm 16 and the second clipping arm 18 can move relatively close to or away from each other and are respectively disposed on the left and right sides of the housing 12, that is, the first clipping arm 16 and the second clipping arm 18 can move left and right relative to the housing 12, the bottom base 20 can be movably disposed at the bottom of the housing 12 up and down, the first clipping arm 16 and the second clipping arm 18 are used for being clipped on the left and right sides of the mobile phone, and the bottom base 20 is used for being supported at the bottom of the mobile phone.

In other embodiments, the clamping assembly 14 may be provided with only the first clamping arm 16 and the second clamping arm 18, instead of the shoe, and the first clamping arm 16 and the second clamping arm 18 are required to have sufficient clamping force.

Specifically, the left and right sides of the housing 12 are respectively provided with a first socket 24 and a second socket 26, the first clamping arm 16 is inserted into the first socket 24 in a manner of moving left and right, and the second clamping arm 18 is inserted into the second socket 26 in a manner of moving left and right. The bottom of the housing 12 is provided with a third socket 28, and the bottom support 20 is inserted into the third socket 28 in a vertically movable manner.

Optionally, the housing 12 includes a front shell 12a and a bottom shell 12b that are detachably connected, for example, the front shell 12a and the bottom shell 12b are detachably connected by a screw fastening method. The front case 12a and the bottom case 12b are coupled to each other in a butt joint manner, and a mounting space is formed therebetween for mounting internal components of the pressing bracket 10.

In the illustrated embodiment, the fixed post 30 is disposed on an inner wall of the bottom casing 12b, the gear 32 is rotatably sleeved on the fixed post 30, the first clamping arm 16 is provided with a first rack 34, the second clamping arm 18 is provided with a second rack 36, and the first rack 34 and the second rack 36 are respectively engaged with two opposite sides of the gear 32.

More specifically, the first clamping arm 16 comprises a first connecting portion 16a and a first clamping portion 16b which are integrally connected and are L-shaped, the first connecting portion 16a is provided with a first movable hole 16c, and a first rack 34 is arranged on the top wall of the first movable hole 16 c; similarly, the second clamping arm 18 includes a second connecting portion 18a and a second clamping portion 18b that are integrally connected and L-shaped, the second connecting portion 18a is provided with a second movable hole 18c, and the second rack 36 is provided on the bottom wall of the second movable hole 18 c.

The first connecting portion 16a and the second connecting portion 18a are arranged in a staggered manner in the thickness direction of the housing 12, and the first connecting portion 16a is located on the side close to the front case 12a, and the second connecting portion 18a is located on the side close to the bottom case 12 b. The first connecting portion 16a and the second connecting portion 18a are respectively sleeved on the gear 32 through the first movable hole 16c and the second movable hole 18c, and the first rack 34 is meshed above the gear 32, and the second rack 36 is meshed below the gear 32. When the gear 32 rotates clockwise or counterclockwise, the first clamping arm 16 and the second clamping arm 18 are driven to move synchronously toward or away from each other.

The pressing bracket 10 further comprises a button 66, a switch 50 and a plurality of transmission gears, wherein the button 66 and the switch 50 are movably arranged on the shell 12. The transmission gears are connected between the button 66 and the first clamping arm 16, each transmission gear comprises a main gear and a pinion which are mutually overlapped and fixed, the button 66 is in transmission connection with the pinion of the corresponding transmission gear, and the first clamping arm 16 is in transmission connection with the main gear of the corresponding transmission gear. And the radius and the number of teeth of the main gear are both larger than those of the pinion, so that the transmission ratio between the button 66 and the first clamping arm 16 is smaller than 1, that is, the button 66 is pressed to move for a small stroke, and the first clamping arm 16 and the second clamping arm 18 can be driven to move for a large stroke.

The side of the housing 12 located in the holding space 22 is provided with a panel 38, and the panel 38 is rotatably connected to the housing 12. Specifically, the outer surface of the face shell 12a is provided with a groove 40, and the panel 38 is movably disposed in the groove 40. The bottom end of the panel 38 is provided with a shaft 42, and the shaft 42 is rotatably connected to the panel shell 12 a.

Preferably, two sides of the inner surface of the bottom end of the panel 38 are respectively provided with a connecting arm 38a, the connecting arm 38a extends inward for a certain distance and then extends to the bottom side and protrudes out of the bottom end of the panel 38, the rotating shaft 42 is protruded outside the end of the connecting arm 38a, and the axial direction of the rotating shaft 42 is parallel to the width direction of the housing 12. The front case 12a is provided with an opening 38b at a position corresponding to the connecting arm 38a, and the inner surface of the front case 12a is provided with a pivot 44 at a position corresponding to the rotating shaft 42. When installed, the connecting arm 38a extends into the opening 38b and rotatably connects the shaft 42 to the pivot portion 44 such that the panel 38 can be rotated in and out of the housing 12. The rotation angle of the panel 38 is limited by the abutment of the connecting arm 38a and the opening 38 b.

Furthermore, a plurality of limit buckles 46 are arranged on the inner surface of the top end of the panel 38, a plurality of avoidance openings 48 are arranged on the surface shell 12a corresponding to the limit buckles 46, the limit buckles 46 penetrate through the surface shell 12a through the avoidance openings 48, the rotation amplitude of the panel 38 is further limited, and the panel 38 is prevented from being separated from the shell 12.

The switch 50 is disposed between the first clamping arm 16 and the housing 12, and the switch 50 elastically abuts between the panel 38 and the housing 12, so that when the panel 38 rotates, the switch 50 can be triggered to lock or unlock the first clamping arm 16. When the switch 50 locks the first clamping arm 16, the first clamping arm 16 is restricted from moving closer to the second clamping arm 18, that is, the first clamping arm 16 can only move away from the second clamping arm 18; when the switch 50 unlocks the first clamp arm 16, the first clamp arm 16 can move closer to or farther away from the second clamp arm 18.

In the illustrated embodiment, the switch 50 is disposed on the top side region of the housing 12, for example, the switch 50 is disposed above the first clipping arm 16 or the second clipping arm 18, the inner wall of the bottom housing 12b is provided with a placement groove 52, and the switch 50 is movably disposed in the placement groove 52. More specifically, an abutting portion 50a is convexly disposed on a side of the switch 50 close to the panel 38, a through hole 54 is disposed on the panel 12a corresponding to the switch 50, and the abutting portion 50a movably penetrates through the through hole 54 and abuts against the panel 38. The switch 50 is abutted against the case 12 through a second elastic member 56 on a side away from the panel case 12a, and the second elastic member 56 is a spring, for example. Specifically, the switch 50 is provided with an abutting groove 58 on a side away from the panel 12a, and one end of the second elastic member 56 abuts against a groove wall of the abutting groove 58 and the other end abuts against a groove wall of the installation groove 52. When the panel 38 is pressed to rotate in a direction toward the housing 12, the panel 38 presses the abutting portion 50a so that the switch 50 compresses the second elastic member 56 to move toward the bottom case 12b, and at this time, the switch 50 is switched from the locking position to the unlocking position; when the pressing force is removed, the switch 50 moves toward the face housing 12a under the elastic bias of the second elastic member 56, and the abutting portion 50a presses the panel 38 to rotate in a direction away from the housing 12, so that the switch 50 is switched from the unlocking position to the locking position.

More specifically, a side of the switch 50 adjacent to the panel 38 is provided with a first helical rack 60, the first helical rack 60 being located on a bottom side of the abutting portion 50 a. A protruding plate 62 is disposed at the top end of the first connecting portion 16a, and a second helical rack 64 is disposed on a side of the protruding plate 62 facing the bottom case 12b, wherein a tooth portion of the first helical rack 60 is inclined toward the first clamping arm 16, and a tooth portion of the second helical rack 64 is inclined toward the second clamping arm 18. When the switch 50 locks the first clamping arm 16, the first helical rack 60 is pressed and engaged with the second helical rack 64, so that the first clamping arm 16 can only move towards the opening direction in a single direction; when the switch 50 unlocks the first clamp arm 16, the first helical rack 60 disengages from the second helical rack 64.

The button 66 is disposed on one side of the housing 12, in this embodiment, the button 66 is disposed on the right side of the housing 12, and the button 66 is in transmission connection with the first clamping arm 16 through a plurality of transmission gears, so as to drive the first clamping arm 16 and the second clamping arm 18 to move relatively close to or away from each other.

Specifically, the right side of the housing 12 is provided with a fourth socket 68, the fourth socket 68 is located at the bottom side of the second clamping arm 18, and the button 66 is inserted into the fourth socket 68 in a manner of being capable of moving left and right. In this embodiment, a driving rack 72 is disposed on the top side of the button 66, a driving rack 74 is disposed on the bottom end of the first connecting portion 16a, and the driving rack 72 and the driving rack 74 are respectively engaged with the corresponding driving gears. The button 66 moves left and right to drive the driving rack 72 to drive the transmission gears to rotate, so as to drive the first clamping arm 16 to move left and right, the first clamping arm 16 moves left and right to drive the second clamping arm 18 to move synchronously through the gear 32, and further, the first clamping arm 16 and the second clamping arm 18 are switched between a clamping state and an opening state.

Wherein, the main gear of one of the two adjacent transmission gears is meshed with the pinion of the other transmission gear, the driving rack 72 is meshed with the pinion of the corresponding transmission gear, and the transmission rack 74 is meshed with the main gear 76 of the corresponding transmission gear.

In the illustrated embodiment, two transmission gears are provided, including a first transmission gear 70 and a second transmission gear 71, two positioning pillars 80 are disposed on the inner wall of the bottom case 12b, and the first transmission gear 70 and the second transmission gear 71 are respectively sleeved on the corresponding positioning pillars 80 and can rotate relative to the positioning pillars 80. Wherein, the first transmission gear 70 includes a first main gear 76 and a first sub-gear 78 which are fixed to each other in an overlapping manner, the first main gear 76 has a larger radius and a larger number of teeth than the first sub-gear 78, the second transmission gear 71 includes a second main gear 77 and a second sub-gear 79 which are fixed to each other in an overlapping manner, the second main gear 77 has a larger radius and a larger number of teeth than the second sub-gear 79, the first main gear 76 is engaged with the second sub-gear 79, the driving rack 72 of the push button 66 is engaged with the first sub-gear 78, and the transmission gear 74 of the first clamping arm 16 is engaged with the second main gear 77. The first transmission gear 70 and the second transmission gear 71 are arranged so that the transmission ratio between the button 66 and the first clamping arm 16 is 1: x, X is greater than 1, so that when the push button 66 moves a distance, the first clamp arm 16 or the second clamp arm 18 moves X distances, thereby realizing a small pushing movement stroke to drive the clamp arms to move a large stroke. In this embodiment, the transmission ratio between the button 66 and the first clamp arm 16 is 1:4, when the push button 66 is moved one distance, the clip arms are moved four distances.

In other embodiments, the pressing bracket may further include at least one third transmission gear drivingly connected between the first transmission gear 70 and the second transmission gear 71, and similarly, the third transmission gear includes a third main gear and a third sub-gear fixed to each other in an overlapping manner.

A first resilient member 82 is disposed between an end of the button 66 located within the housing 12 and the housing 12, the first resilient member 82 resiliently biasing the button 66 outwardly of the housing 12. The button 66 is movable between a first position and a second position, and the first resilient member 82 is, for example, a spring. Specifically, the inner wall of the bottom casing 12b is provided with a receiving groove 84, and the first elastic element 82 is disposed in the receiving groove 84. The end of the button 66 protrudes toward the bottom case 12b and has a protrusion 86, and one end of the first elastic element 82 abuts against the protrusion 86 and the other end abuts against the wall of the receiving groove 84. The protrusion 86 has a limiting function, and can limit the button 66 from sliding out of the fourth socket 68 and out of the housing 12. When the button 66 is at the first position, the first elastic member 82 is in a compressed state to fix the button 66 to prevent it from shaking left and right; when the push button 66 is moved from the first position to the second position, the first resilient member 82 is further compressed, and when the push button 66 is released, the push button 66 returns to the first position a distance under the resilient bias of the first resilient member 82, thereby eliminating the false position between the gear transmissions. In other embodiments, the first elastic member 82 may also be in a normal state when the button 66 is in the first position, i.e., the first elastic member 82 is not compressed and is not stretched.

Preferably, a third elastic member 88 is further disposed between the second clipping arm 18 and the housing 12, and the third elastic member 88 is a spring, for example. Specifically, a receiving slot 90 is disposed on one side of the second connecting portion 18a close to the bottom case 12b, the third elastic member 88 is received in the receiving slot 90, a first abutting portion 92 is disposed on a left end wall of the receiving slot 90, a second abutting portion 94 is disposed on a right side of an inner wall of the bottom case 12b, one end of the third elastic member 88 abuts against the first abutting portion 92, the other end abuts against the second abutting portion 94, and the third elastic member 88 exerts an elastic bias on the second clipping arm 18 to provide a clipping pre-tightening force between the first clipping arm 16 and the second clipping arm 18.

In the illustrated embodiment, the bottom bracket 20 includes a third connecting portion 20a and a supporting portion 20b that are integrally connected and L-shaped, a hook 96 is disposed at a top end of the third connecting portion 20a near one side of the face casing 12a, a sliding rack 98 is correspondingly disposed at a bottom side area of an inner wall of the face casing 12a, the sliding rack 98 has a plurality of slots, and when the bottom bracket 20 moves up and down, the hook 96 is in snap fit with the slots of the sliding rack 98 so that the bottom bracket 20 can stably stay at any position. The top end of the third connecting portion 20a near the bottom shell 12b is provided with a stop 100, and the stop 100 can be stopped by the bottom wall of the bottom shell 12b to prevent the bottom base 20 from sliding out of the third inserting hole 28 and separating from the housing 12.

Preferably, a connection portion 102 is provided on an outer surface of the bottom case 12b, and the connection portion 102 is used to be connected to an externally fitted object so that the pressing bracket 10 is relatively fixed.

To sum up, the utility model provides a can one-hand operation press down support sets up the switch between first arm lock and casing, and switch elasticity butt triggers switch locking or unblock first arm lock when panel rotates between panel and casing. A button is arranged on one side of the shell and connected with the first clamping arm through a plurality of transmission gears, so that the first clamping arm and the second clamping arm can be driven to move for a long stroke by pressing the button to move for a short stroke. When electronic equipment is installed on the support, the switch locks the first clamping arm, the first clamping arm can only move towards the direction far away from the second clamping arm, the press button drives the first clamping arm and the second clamping arm to be opened, then the electronic equipment is placed in by loosening the hand, the electronic equipment is pressed to extrude the panel to enable the panel to rotate towards one side of the shell and support the press switch, the switch unlocks the first clamping arm, and the first clamping arm and the second clamping arm reset and clamp the electronic equipment. The utility model discloses a pressing the support and can realizing one-hand operation, and easy operation, convenience, centre gripping electronic equipment is firm, brings good product experience for the user and feels.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A push bracket capable of single-handed operation, comprising:

a housing;

the first clamping arm and the second clamping arm are movably connected to two sides of the shell, and the first clamping arm and the second clamping arm can synchronously move close to or away from each other;

the button is movably arranged on the shell;

the first transmission gear comprises a first main gear and a first pinion which are fixedly overlapped with each other, the radius and the tooth number of the first main gear are both larger than those of the first pinion, the second transmission gear comprises a second main gear and a second pinion which are fixedly overlapped with each other, the radius and the tooth number of the second main gear are both larger than those of the second pinion, the first main gear is meshed with the second pinion, the button is in transmission connection with the first pinion, and the first clamping arm is in transmission connection with the second main gear; and

the switch is movably arranged on the shell to lock or unlock the first clamping arm.

2. The one-handed push bracket of claim 1, wherein the transmission ratio between the button and the first clamp arm is 1: and X is larger than 1, and when the button moves for a distance, the first clamping arm moves for X distances.

3. The pressing bracket capable of being operated by one hand as claimed in claim 1, wherein the button is movably disposed through one side of the housing, and the button is provided with a driving rack engaged with the first pinion.

4. The one-handed push bracket of claim 3, wherein a first resilient member is disposed between an end of the button within the housing and the housing, the first resilient member resiliently biasing the button outward of the housing.

5. The pressing bracket of claim 1, wherein the switch locks the first arm to limit the relative movement of the first arm and the second arm, and one end of the switch movably protrudes between the first arm and the second arm to be pressed to trigger the switch to switch between the locked and unlocked states.

6. The single-handed pressing bracket of claim 5, wherein the switch is movably disposed through the housing, the switch includes an abutting portion extending through the housing and protruding between the first clamping arm and the second clamping arm, and an end of the switch located in the housing abuts against the housing through a second elastic member.

7. The pressing bracket capable of being operated by one hand according to claim 6, wherein a clamping space for clamping an electronic device is formed between the first clamping arm and the second clamping arm, a panel is arranged on one side of the clamping space of the housing, the panel is rotatably connected with the housing, the abutting part abuts against the panel, and the rotation of the panel can trigger the switch to lock or unlock the first clamping arm; the first clamping arm is provided with a transmission rack, and the transmission rack is meshed with the second main gear.

8. The pressing bracket of any one of claims 1 to 7, wherein the first and second clamping arms are movably inserted into two sides of the housing, respectively, a gear is disposed in the housing, the first clamping arm is provided with a first rack, the second clamping arm is provided with a second rack, and the first and second racks are engaged with two opposite sides of the gear, respectively; and a third elastic piece is arranged between the second clamping arm and the shell, and the third elastic piece elastically biases the second clamping arm to drive the second clamping arm to move towards the first clamping arm.

9. The one-handed press bracket of claim 8 further comprising a shoe movably insertable into a bottom of the housing.

10. The one-handed press frame of claim 8, further comprising at least one third transmission gear drivingly connected between the first and second transmission gears, the third transmission gear comprising a third main gear and a third sub-gear fixed one on top of the other.

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