CN210609288U

CN210609288U - Slider formula gravity support

Info

Publication number: CN210609288U
Application number: CN201921809318.9U
Authority: CN
Inventors: 杨伟钊
Original assignee: Shenzhen Annaijia Electronics Co Ltd
Current assignee: Shenzhen Annaijia Electronics Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-22
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a slider type gravity bracket, which comprises a shell, a left clamping arm, a right clamping arm and a bottom supporting arm; the left and right clamping arms are arranged in an X-shaped cross manner, and the upper ends of the left and right clamping arms are clamping ends; the lower end of the left clamping arm extends rightwards and is pivoted with a right connecting rod, and the lower end of the right clamping arm extends leftwards and is pivoted with a left connecting rod; the lower ends of the right connecting rod and the left connecting rod are pivoted with the bottom supporting arm; the shell is internally provided with a sliding block, the shell is provided with a chute extending up and down, and the sliding block can move up and down along the chute; the slide block is provided with a left pivoting fulcrum and a right pivoting fulcrum for the rotation of the clamping arms at the two sides; when the bottom supporting arm is pressed downwards, the left clamping arm, the right clamping arm, the bottom supporting arm, the right connecting rod and the left connecting rod move downwards together with the sliding block, the bottom supporting arm is linked with the right connecting rod and the left connecting rod to rotate inwards, and then the left clamping arm and the right clamping arm are linked to rotate inwards.

Description

Slider formula gravity support

Technical Field

The utility model belongs to the technical field of the support technique and specifically relates to indicate a slider formula gravity support, its main clamping position that is used for mobile devices such as cell-phones that nevertheless do not restrict.

Background

At present, with the popularization of mobile devices such as mobile phones, supports are widely applied. The gravity support presses the bottom supporting arm downwards by utilizing the gravity of the mobile phone, and simultaneously links the left and right clamping arms to move inwards to automatically clamp the mobile phone.

In the prior art, a representative mobile phone gravity support comprises a base, a pull rod for receiving a mobile phone, and a left clamp arm and a right clamp arm for clamping the mobile phone, and is characterized in that the base is provided with a positioning shaft, the left clamp arm and the right clamp arm are both rotatably mounted on the positioning shaft, and the pull rod is in transmission connection with the left clamp arm and the right clamp arm respectively; under the action of the gravity of the mobile phone, the pull rod drives the left clamping arm and the right clamping arm to rotate reversely; when the mobile phone clamping device is used, a mobile phone is directly placed on the pull rod, the pull rod drives the left clamping arm and the right clamping arm to rotate reversely under the action of the gravity of the mobile phone to clamp the mobile phone, and the automatic clamping of the mobile phone is realized by utilizing the gravity of the mobile phone and a simple mechanical principle. This kind of cell-phone gravity support, when the in-service use, there are some deficiencies, for example: the left clamping arm and the right clamping arm are rotatably arranged on the same positioning shaft, after a mobile phone is placed in the mobile phone, the pull rod is easy to deviate when moving downwards under the gravity of the mobile phone, so that the clamping and positioning accuracy of the mobile phone is influenced, in addition, as the positioning shaft is fixed on the base, the downward extending stroke of the pull rod is completely related to the rotation of the left clamping arm and the right clamping arm, and the deviation of the pull rod further influences the motion stability and accuracy of the left clamping arm and the right clamping arm; and the left clamping arm and the right clamping arm are stacked on the same positioning shaft, and clamping stagnation sometimes occurs when the left clamping arm and the right clamping arm rotate.

Therefore, a new technical solution needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a slider formula gravity support, and it has effectively solved the skew problem, and is more accurate reliable to the support and the centre gripping location of products such as cell-phone, and simultaneously, left side centre gripping arm, right side centre gripping arm set up the pivot respectively, appear jamming phenomenon when avoiding both pivots, have improved its rotatory smooth and easy nature.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a slider type gravity bracket comprises a shell, a left clamping arm, a right clamping arm and a bottom supporting arm; the bottom supporting arm can be arranged in a vertically displaceable manner relative to the shell, and the left clamping arm and the right clamping arm can be arranged in a rotatable manner relative to the shell;

the left clamping arm and the right clamping arm are arranged in an X-shaped crossed manner, and the upper ends of the left clamping arm and the right clamping arm are clamping ends; the lower end of the left clamping arm extends rightwards and is pivoted with a right connecting rod, and the lower end of the right clamping arm extends leftwards and is pivoted with a left connecting rod; the lower ends of the right connecting rod and the left connecting rod are pivoted with the bottom supporting arm;

the shell is internally provided with a sliding block, the shell is provided with a chute extending up and down, and the sliding block can move up and down along the chute; the slider is provided with a left pivot fulcrum and a right pivot fulcrum; the left clamping arm is pivoted to the left pivoting fulcrum so that two ends of the left clamping arm can rotate around the left pivoting fulcrum; the right clamping arm is pivoted to the right pivoting fulcrum so that two ends of the right clamping arm can rotate around the right pivoting fulcrum;

when the bottom supporting arm is pressed downwards, the left clamping arm, the right clamping arm, the bottom supporting arm, the right connecting rod and the left connecting rod move downwards together with the sliding block, the bottom supporting arm is linked with the right connecting rod and the left connecting rod to rotate inwards, and then the left clamping arm and the right clamping arm are linked to rotate inwards.

As a preferable scheme, the left pivot and the right pivot are both provided with first protruding columns protruding forwards on the sliding block, and the left clamping arm and the right clamping arm are both provided with pivoting holes to be sleeved on the corresponding first protruding columns.

As a preferred scheme, all be provided with the gear shaft on left side centre gripping arm, the right side centre gripping arm, the pin joint hole sets up in the axle center of corresponding gear shaft, and the periphery tooth of both gear shafts meshes mutually.

Preferably, the housing is provided with a first reset unit for controlling the automatic reset of the sliding block.

As a preferable scheme, a second convex column is arranged at the rear side of the sliding block, and one end of the first reset elastic element acts on the second convex column.

As a preferable scheme, the shell is provided with a third convex column which is positioned above the second convex column; the first reset elastic element is a tension spring, and the upper end and the lower end of the first reset elastic element are respectively connected with the third convex column and the second convex column.

As a preferable scheme, an opening is formed in the sliding block, and the third protruding column extends into the opening to form upper limit on the sliding block.

Preferably, the housing is provided with a second reset unit for controlling automatic reset of any one or more of the left clamping arm, the right clamping arm, the bottom supporting arm, the right connecting rod and the left connecting rod.

Preferably, the slide groove of the housing has a lateral stopper portion for stopping the left and right sides of the slider, and/or an upper stopper portion and a lower stopper portion for stopping the upper and lower sides of the slider.

Preferably, the clamping end is an elastic clamping end.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely, as can be known from the technical scheme, the utility model mainly solves the problem of the deflection of the bottom supporting arm by arranging a left side pivot point on the slider and a right side pivot point on the slider for the pin joint of the left side clamping arm and the right side clamping arm respectively as pivot points, and simultaneously, the slider can move up and down relative to the shell, so that when the bottom supporting arm moves down, the slider can move up and down in the chute, and the deflection of the bottom supporting arm is solved, and simultaneously, the left side clamping arm and the right side clamping arm are ensured to be balanced, and the supporting and clamping positioning of products such as mobile phones are more accurate and reliable, and the slider can move a distance relative to the shell, thereby better meeting the clamping requirements of products such as mobile phones with different sizes, and the clamping position is more reasonable, thereby, the clamping stability of the products is, the clamping stagnation phenomenon is avoided when the two pivot rotating devices pivot, and the rotating smoothness is improved;

secondly, the pivot fulcrums of the left clamping arm and the right clamping arm are meshed through peripheral teeth of the gear shaft to form mutual linkage, so that the stability is improved, meanwhile, the consistency of the rotation actions of the left clamping arm and the right clamping arm is also ensured, and the clamping reliability is better.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a perspective assembly view of a first embodiment of the present invention;

FIG. 2 is an exploded view of a first embodiment of the present invention;

fig. 3 is a cross-sectional view of a first embodiment of the present invention;

FIG. 4 is a partially assembled view of a first embodiment of the present invention;

fig. 5 is a diagram of a rear housing structure according to a first embodiment of the present invention;

FIG. 6 is an exploded view of the structure shown in FIG. 4;

FIG. 7 is an exploded view of the structure shown in FIG. 4;

FIG. 8 is a partially exploded view of a second embodiment of the present invention;

fig. 9 is a diagram of a rear case structure according to a second embodiment of the present invention;

fig. 10 is a partial sectional view of a second embodiment of the present invention.

The attached drawings indicate the following:

front shell 11 of shell 10

Rear housing 12 chute 101

Third convex column 102 stroke slot 103

Left gripper arm 20 and right gripper arm 30

Right link 50 of bottom support arm 40

Left side link 60 slider 70

Left pivot point 71 and right pivot point 72

Second post 73 opening 74

Panel 80 pivoting hole 1

A gear shaft 2.

Detailed Description

Referring to fig. 1 to 10, two specific structures of two embodiments of the present invention are shown.

As shown in fig. 1 to 7, it shows a specific structure of the first embodiment:

a slider type gravity bracket comprises a shell 10, a left clamping arm 20, a right clamping arm 30 and a bottom supporting arm 40, wherein the left clamping arm 20, the right clamping arm 30 and the bottom supporting arm 40 are arranged on the shell 10; the bottom supporting arm 40 is arranged in a manner of being capable of vertically displacing relative to the shell 10, and the left clamping arm 20 and the right clamping arm 30 are arranged in a manner of being capable of rotating relative to the shell 10;

the left clamping arm 20 and the right clamping arm 30 are arranged in an X-shaped cross manner, and the upper ends of the left clamping arm 20 and the right clamping arm 30 are clamping ends; preferably, the clamping end is an elastic clamping end, which can be deflected relative to the left and right clamping

arms

20 and 30 by an elastic restoring structure, such as a torsion spring, to meet the clamping requirement. The lower end of the left clamping arm 20 extends to the right and is pivoted with a right connecting rod 50, and the lower end of the right clamping arm 30 extends to the left and is pivoted with a left connecting rod 60; the lower ends of the right connecting rod 50 and the left connecting rod 60 are pivoted with the bottom supporting arm 40; here, the gears are provided at the lower ends of the right link 50 and the left link 60, and the gears are engaged with each other to ensure the rotational synchronism of the lower ends of the right link 50 and the left link 60, and further, the movement synchronism of the left clamp arm 20 and the right clamp arm 30.

A sliding block 70 is arranged in the shell 10, the shell 10 is provided with a sliding groove 101 extending up and down, and the sliding block 70 can move up and down along the sliding groove 101; the slide groove 101 of the housing 10 has a lateral stopper portion for stopping the left and right sides of the slider 70 and/or an upper stopper portion and a lower stopper portion for stopping the upper and lower sides of the slider 70, respectively, and for example, the left and right side walls of the slide groove 101 are used as the lateral stopper portions, and the slide groove 101 is provided with an upper stopper and a lower stopper as the upper stopper portion and the lower stopper portion, respectively. The slider 70 is provided with a left pivot fulcrum 71 and a right pivot fulcrum 72; the left gripper arm 20 is pivoted to the left pivot 71 so that both ends thereof are rotatable about the left pivot 71; the right gripper arm 30 is pivoted to the right pivot 72 so that both ends thereof are rotatable about the right pivot 72;

when the bottom support arm 40 is pressed downward, the left clamp arm 20, the right clamp arm 30, the bottom support arm 40, the right link 50, and the left link 60 are displaced downward together with the slider 70, and the bottom support arm 40 links the right link 50 and the left link 60 to rotate inward, thereby linking the left clamp arm 20 and the right clamp arm 30 to rotate inward.

Here, the left pivot point 71 and the right pivot point 72 are both provided with a first protruding pillar protruding forward on the slider 70, and the left clamping arm 20 and the right clamping arm 30 are both provided with a pivot hole 1 to be sleeved on the corresponding first protruding pillar. The casing 10 is provided with a stroke slot 103 for the front end of the first protruding column to extend into, so as to guide and limit the up-and-down stroke of the first protruding column. All be provided with gear shaft 2 on left side centre gripping arm 20, the right side centre gripping arm 30, pin joint hole 1 sets up in corresponding gear shaft 2's axle center, and the periphery tooth of gear shaft 2 between them meshes mutually, forms the mutual linkage, improves stability, simultaneously, also ensures the uniformity of both rotary motion of left side centre gripping arm, right side centre gripping arm, and the centre gripping reliability is better.

Usually, the housing is provided with a first reset unit that controls the automatic resetting of the slider, for example: the sliding block 70 is connected with a first reset elastic element; when the slider 70 is displaced downward, the first return elastic element is elastically deformed to store elastic potential energy. When the bottom support arm 40 is released from the pressing, the slider 70 is displaced upward by the return force of the first return elastic member. The first reset unit is not limited to the elastic element, and a magnetic attraction reset mode can also be adopted. And, the casing is provided with the second reset unit that arbitrary or more than two automatic re-setting among them of control left side centre gripping arm, right side centre gripping arm, bottom support arm, right side connecting rod, left side connecting rod, for example: the left pivot point 71 and/or the right pivot point 72 are provided with a second return elastic element, preferably a torsion spring 75. Similarly, the second reset unit is not limited to the elastic element, and a magnetic attraction reset mode can also be adopted. In actual manufacturing and application, the bracket can be reset through the first resetting unit or the second resetting unit independently, and certainly, the whole bracket can also be reset through the common resetting acting force of the first resetting elastic element and the second resetting elastic element.

As shown in fig. 8 to 10, a specific structure of the second embodiment is shown, which is basically the same as the structure of the first embodiment, and the main difference is that:

in the second embodiment, the rear side of the slider 70 is provided with a second convex pillar 73, and one end of the first return elastic element acts on the second convex pillar 73. Here, by providing the housing 10 with the third boss 102, the third boss 102 is located above the second boss 73; the first elastic restoring element is a tension spring, and the upper end and the lower end of the first elastic restoring element are respectively connected to the third convex column 102 and the second convex column 73. And, the slider 70 is provided with an opening 74, and the third boss 102 extends into the opening 74 to form an upper limit for the slider 70. Therefore, the structure of the third convex column 102 is skillfully utilized for limiting and connecting and positioning the tension spring.

Of course, a compression spring may be provided, the upper end of the compression spring is connected to the second protruding pillar 73, and the lower end of the compression spring is fixed relative to the housing 10, so that the first elastic return element may be provided. In fact, the tension spring and the pressure spring can be arranged at the same time.

It should be noted that:

the shell 10 comprises a front shell 11 and a rear shell 12, the front shell 11 and the rear shell 12 are assembled with each other to enclose a mounting cavity, and the left clamping arm 20 and the right clamping arm 30 extend into the mounting cavity; the arrangement or positioning of the components on the housing 10 can be flexibly changed to arrange them specifically on the front case 11 and/or the rear case 12. For the movable components, the housing can be provided with a guide groove or a guide block to guide and limit the travel of the movable components, the locking parts of the front shell 11 and the rear shell 12 and the locking parts of other components on the front shell 11 or the rear shell 12 can be covered by the panel 80 to avoid the locking parts from being exposed, the front panel 80 can also be used for decoration, and the movable components are convenient to manufacture.

The chuck arranged at the rear side of the shell 10 is generally an air outlet chuck, the chuck can be directly connected to the rear side of the shell 10, and can also be switched through a universal ball structure, so that the shell 10 can change angles in multiple directions relative to the chuck; in the actual design, the structure of the chuck is not limited, and other mounting structures can be used instead, such as: adsorb with the sucking disc and install the location on the surface, perhaps, reach the location to whole slider formula gravity support again from rapping bar further connection through the bracing piece is similar, perhaps, change to other feasible mounting structure, its main effect lies in installing whole support.

The left clamping arm 20, the right clamping arm 30, the bottom supporting arm 40, the right connecting rod 50, the left connecting rod 60 and the like are positioned by the shell 10 specifically referring to the front shell 11 and/or the rear shell 12 in the two embodiments, and during actual design, a lining plate can be arranged inside the shell 10, and a sliding groove and other structures are arranged on the lining plate, so that a plurality of parts in the shell 10 are positioned relative to the lining plate, and the lining plate is connected with the shell 10.

To sum up, the design of the utility model is characterized in that the left and right pivoting fulcrums are provided on the slider for the left and right clamping arms to pivot as the pivoting fulcrums, and the slider can move up and down relative to the housing, so that when the bottom support arm moves down, the slider moves up and down in the chute, thereby solving the problem of the deflection of the bottom support arm, and simultaneously, ensuring the balance of the left and right clamping arms, and more accurate and reliable support and clamping positioning of products such as mobile phones; the sliding block can move for a certain distance relative to the shell, so that the clamping requirements of products such as mobile phones with different sizes can be better met, the clamping position is more reasonable, the clamping stability of the products is improved, meanwhile, the left clamping arm and the right clamping arm are respectively provided with a pivoting fulcrum, the clamping stagnation phenomenon during pivoting of the left clamping arm and the right clamping arm is avoided, and the rotation smoothness of the products is improved;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a slider formula gravity support which characterized in that: comprises a shell (10), a left clamping arm (20), a right clamping arm (30) and a bottom supporting arm (40); the bottom supporting arm (40) can be arranged in a vertically displaceable manner relative to the shell (10), and the left clamping arm (20) and the right clamping arm (30) can be arranged in a rotatable manner relative to the shell (10);

the left clamping arm (20) and the right clamping arm (30) are arranged in an X-shaped cross manner, and the upper ends of the left clamping arm (20) and the right clamping arm (30) are clamping ends; the lower end of the left clamping arm (20) extends rightwards and is pivoted with a right connecting rod (50), and the lower end of the right clamping arm (30) extends leftwards and is pivoted with a left connecting rod (60); the lower ends of the right connecting rod (50) and the left connecting rod (60) are pivoted with the bottom supporting arm (40);

a sliding block (70) is arranged in the shell (10), the shell (10) is provided with a sliding groove (101) extending up and down, and the sliding block (70) can move up and down along the sliding groove (101); the slider (70) is provided with a left pivot fulcrum (71) and a right pivot fulcrum (72); the left clamping arm (20) is pivoted to a left pivot point (71) so that two ends of the left clamping arm can rotate around the left pivot point (71); the right clamping arm (30) is pivoted to the right pivot point (72) so that the two ends of the right clamping arm can rotate around the right pivot point (72);

when the bottom supporting arm (40) is pressed downwards, the left clamping arm (20), the right clamping arm (30), the bottom supporting arm (40), the right connecting rod (50), the left connecting rod (60) and the sliding block (70) displace downwards, the bottom supporting arm (40) is linked with the right connecting rod (50) and the left connecting rod (60) to rotate inwards, and then the left clamping arm (20) and the right clamping arm (30) are linked to rotate inwards.

2. The slider-type gravity support according to claim 1, wherein: the left pivoting fulcrum (71) and the right pivoting fulcrum (72) are both provided with first convex columns protruding forwards on the sliding block (70), and the left clamping arm (20) and the right clamping arm (30) are both provided with pivoting holes (1) to be sleeved on the corresponding first convex columns.

3. A slider-type gravity support according to claim 2, wherein: all be provided with gear shaft (2) on left side centre gripping arm (20), right side centre gripping arm (30), pin joint hole (1) sets up in the axle center of corresponding gear shaft (2), and the periphery tooth of gear shaft (2) between them meshes mutually.

4. The slider-type gravity support according to claim 1, wherein: the shell (10) is provided with a first reset unit for controlling the sliding block (70) to automatically reset.

5. The slider-type gravity support according to claim 4, wherein: the rear side of the sliding block (70) is provided with a second convex column (73), and one end of the first reset elastic element acts on the second convex column (73).

6. The slider-type gravity support according to claim 5, wherein: the shell (10) is provided with a third convex column (102), and the third convex column (102) is positioned above the second convex column (73); the first reset elastic element is a tension spring, and the upper end and the lower end of the first reset elastic element are respectively connected with the third convex column (102) and the second convex column (73).

7. The slider-type gravity support according to claim 6, wherein: an opening (74) is formed in the sliding block (70), and the third convex column (102) extends into the opening (74) to form upper limit of the sliding block (70).

8. The slider-type gravity support according to claim 1, wherein: the shell (10) is provided with a second reset unit which controls any one or more than two of the left clamping arm (20), the right clamping arm (30), the bottom supporting arm (40), the right connecting rod (50) and the left connecting rod (60) to automatically reset.

9. The slider-type gravity support according to claim 1, wherein: the slide groove (101) of the housing (10) is provided with a lateral limiting part for limiting the left side and the right side of the slide block (70), and/or an upper limiting part and a lower limiting part for limiting the upper side and the lower side of the slide block (70).

10. The slider-type gravity support according to claim 1, wherein: the clamping end is an elastic clamping end.