CN212353840U

CN212353840U - Foldable stable gravity support

Info

Publication number: CN212353840U
Application number: CN201922235994.6U
Authority: CN
Inventors: 陈旭棉
Original assignee: Dongguan Ruilai Electronic Technology Co Ltd
Current assignee: Dongguan Ruilai Electronic Technology Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-01-15
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a foldable stable gravity bracket, which comprises a base, a linkage mechanism, an elastic element and a fixed seat; the linkage mechanism comprises a clamping assembly, a first supporting rod and a second supporting rod, wherein the clamping assembly comprises a left clamping arm, a right clamping arm and a bottom supporting arm; the left clamping arm comprises two connecting rods and a left clamping part; the right clamping arm comprises two connecting rods and a right clamping part; the upper end of the first supporting rod is hinged with the left clamping arm, and the lower end of the first supporting rod is provided with a third gear; the upper end of the second supporting rod is hinged with the right clamping arm, and the lower end of the second supporting rod is provided with a fourth gear; the lower end of the bottom supporting arm is provided with a supporting part; the fixed seat is arranged at the rear end of the base. Therefore, form through enclosing left and right centre gripping arm by two connecting rods and clamping part respectively for the left clamping part and the right clamping part of support are when pressing from both sides tightly and unclamping electronic product, remain vertical state for the base throughout, make electronic product both sides atress even, and the centre gripping is stable, avoids taking off, rocking and slope.

Description

Foldable stable gravity support

Technical Field

The utility model belongs to the technical field of the support technique and specifically relates to indicate a collapsible firm type gravity support.

Background

Along with the continuous improvement of mobile communication technology, electronic products become the main communication tool for business traffic of people, and along with the continuous increase of the dependence degree of people on the electronic products, people can not leave the electronic products in daily life and traveling, and when people drive a car and go out, the electronic products need to be fixed on a vehicle-mounted electronic product support. The clamping part of the existing gravity bracket cannot always keep a vertical state relative to the base in the process of loosening and clamping the electronic product, so that the upper end of a clamping space is inclined, the electronic product is not easy to align and put in, and the electronic product cannot be always kept in the vertical state. And when current gravity support did not centre gripping electronic product, left and right centre gripping arm all stretched out the base outside, and whole volume is great, and occupation space is big, forms great area to the automobile air outlet and shelters from, influences the normal air-out of air outlet. Therefore, in view of the above-mentioned drawbacks of the gravity bracket, there is a need for an improvement of the existing gravity bracket to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a foldable stable gravity support, which is formed by surrounding a left and a right clamping arms with two connecting rods and a clamping portion, so that the left and the right clamping portions of the support are always kept in a vertical state relative to the base when clamping and loosening the electronic product, the two sides of the electronic product are uniformly stressed, and the clamping is stable, thereby avoiding loosening, shaking and inclining.

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

a foldable stable gravity bracket comprises a base, a linkage mechanism, an elastic element for driving the linkage mechanism to reset and a fixed seat; the linkage mechanism comprises a clamping assembly, a first supporting rod and a second supporting rod, wherein the clamping assembly comprises a left clamping arm, a right clamping arm and a bottom supporting arm, and a clamping space for placing an electronic product is formed among the left clamping arm, the right clamping arm and the bottom supporting arm; the left clamping arm comprises a first connecting rod, a second connecting rod and a left clamping part, wherein the upper end of the first connecting rod and the upper end of the second connecting rod are respectively hinged on the left clamping part, the lower end of the first connecting rod is hinged on the bottom supporting arm, and the lower end of the second connecting rod is provided with a first gear which is pivoted on the bottom supporting arm through the first gear; the right clamping arm comprises a third connecting rod, a fourth connecting rod and a right clamping part, wherein the upper end of the third connecting rod and the upper end of the fourth connecting rod are respectively hinged on the right clamping part, the lower end of the third connecting rod is hinged on the bottom supporting arm, the lower end of the fourth connecting rod is provided with a second gear which is pivoted on the bottom supporting arm through the second gear, and the second gear is meshed with the first gear; the upper end of the first supporting rod is hinged with the second connecting rod, and the lower end of the first supporting rod is provided with a third gear which is pivoted on the base; the upper end of the second supporting rod is hinged with a fourth connecting rod, the lower end of the second supporting rod is provided with a fourth gear, the fourth gear is pivoted on the base, and the third gear and the fourth gear are meshed with each other; the bottom supporting arm can be movably positioned in the base up and down, the lower end of the bottom supporting arm is provided with a supporting part, the two sides of the supporting part are respectively provided with a containing groove, when the support is folded, the left clamping part is contained in the left containing groove, and the right clamping part is contained in the right containing groove; the elastic element is connected between the linkage mechanism and the base; the fixed seat is arranged at the rear end of the base.

As a preferred embodiment: the elastic element is a torsion spring, a first pivot column used for connecting the second connecting rod is arranged on the bottom supporting arm, and the first gear is rotatably arranged on the first pivot column; a second pivot column used for connecting a fourth connecting rod is arranged on the bottom supporting arm, and a second gear is rotatably arranged on the second pivot column; a torsion spring is sleeved on the first pivot column and the second pivot column respectively or a torsion spring is sleeved on one of the first pivot column and the second pivot column; two ends of a torsion spring sleeved on the first pivot column are connected between the second connecting rod and the bottom supporting arm; the two ends of the torsion spring sleeved on the second pivot column are connected between the fourth connecting rod and the bottom supporting arm.

As a preferred embodiment: the elastic element is a torsion spring, a first pivot column used for connecting the second connecting rod is arranged on the bottom supporting arm, and the first gear is rotatably arranged on the first pivot column; a second pivot column used for connecting a fourth connecting rod is arranged on the bottom supporting arm, and a second gear is rotatably arranged on the second pivot column; the torsion spring is provided with two through holes which are respectively matched with the first pivot column and the second pivot column correspondingly, and two ends of the torsion spring are respectively connected with the second connecting rod and the fourth connecting rod.

As a preferred embodiment: the elastic element is a tension spring which is vertically connected between the base and the bottom supporting arm.

As a preferred embodiment: the lower end of the inner side wall of the base is provided with a limiting block, and a sliding groove which is used for the bottom supporting arm to penetrate through and can slide up and down is arranged in the limiting block.

As a preferred embodiment: the third gear and the fourth gear are respectively pivoted on the outer wall of the limiting block.

As a preferred embodiment: the two sides of the supporting part of the bottom supporting arm are respectively provided with an embedding groove, when the support is folded, the first connecting rod and the second connecting rod are contained in the left embedding groove, and the third connecting rod and the fourth connecting rod are contained in the right embedding groove.

As a preferred embodiment: the upper ends of the first supporting rod and the second supporting rod are respectively provided with a abdicating arc which is convenient for folding the bracket.

As a preferred embodiment: the lower ends of the first connecting rod and the third connecting rod are provided with abdicating arcs which are convenient for folding the bracket.

As a preferred embodiment: the base comprises a front panel and a rear panel, and an accommodating space for installing the linkage mechanism and the elastic element is formed between the front panel and the rear panel.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, through enclosing the configuration with left and right centre gripping arm by two connecting rods and clamping part respectively for the left clamping part and the right clamping part of support are pressing from both sides tightly and when loosening the electronic product, remain vertical state for the base all the time, thereby be convenient for putting into and taking out of electronic product, can make electronic product both sides atress even simultaneously, and the centre gripping is stable, avoids the pine to take off, rocks and inclines. The accommodating groove is formed in the lower side of the supporting part, and the left clamping arm and the right clamping arm can be accommodated in the base when the electronic product is not placed on the support by the aid of the first supporting rod and the second supporting rod, and the left clamping part and the right clamping part can be accommodated in the accommodating groove, so that the size of the support can be reduced, the occupied space of the support is reduced, and the support is more convenient to carry; meanwhile, the shielding area of the bracket at the air outlet of the automobile when the electronic product is not placed can be reduced, and the influence on air outlet is reduced.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the stent of the present invention in an open state;

FIG. 2 is a perspective view of the bracket of the present invention in a closed state;

FIG. 3 is a schematic perspective view of the internal structure of the stent of the present invention after the stent is expanded;

FIG. 4 is a perspective view of the inner structure of the folded bracket of the present invention;

FIG. 5 is a schematic back perspective view of the bracket of the present invention in a closed state;

FIG. 6 is a back perspective view of the stent of the second embodiment of the present invention in an expanded state;

fig. 7 is a perspective view of the torsion spring of the present invention.

The attached drawings indicate the following:

10. base 11, front panel

12. Rear panel 121, hook part

122. Limiting block 123 and sliding groove

13. Accommodating space 20 and linkage mechanism

21. Clamping assembly 211 and left clamping arm

2111. First link 2112 and second link

2113. Left clamping portion 2114, first gear

2115. Abdication arc 212 and right clamping arm

2121. Third connecting rod 2122 and fourth connecting rod

2123. Right clamping part 2124 and second gear

2125. Abdication arc 213 and bottom support arm

2131. Supporting portion 2132 and accommodating groove

2133. Embedding groove 2134 and first pivot column

2135. Connecting part 2136 and second pivot column

214. Clamping space 22, first strut

221. Abdication arc 222, third gear

23. Second strut 231, abdicating arc

232. Fourth gear 30, elastic element

31. Through hole 40, fixing base.

Detailed Description

As shown in fig. 1 to 7, the present invention relates to a foldable stable gravity support, which comprises a base 10, a linkage 20, an elastic element 30 for driving the linkage 20 to reset, and a fixing seat 40.

The base 10 includes a front panel 11 and a rear panel 12, and the front panel 11 and the rear panel 12 form a receiving space 13 for mounting the linkage 20 and the elastic member 30.

The linkage mechanism 20 comprises a clamping component 21, a first supporting rod 22 and a second supporting rod 23; the clamping assembly 21 includes a left clamping arm 211, a right clamping arm 212, and a bottom supporting arm 213, and a clamping space 214 for placing an electronic product is formed between the left clamping arm 211, the right clamping arm 212, and the bottom supporting arm 213. The left clamp arm 211 includes a first link 2111, a second link 2112, and a left clamp portion 2113; wherein the upper end of the first connecting rod 2111 and the upper end of the second connecting rod 2112 are respectively hinged on the left clamping part 2113, and the lower end of the first connecting rod 2111 is hinged on the bottom supporting arm 213; the second link 2112 has a first gear 2114 at its lower end, and is pivotally connected to the bottom support arm 213 through the first gear 2114. The first link 2111, the second link 2112, the left grip portion 2113, and the first gear 2114 form a quadrangle therebetween, and the quadrangle keeps the left grip portion 2113 in an upright state with respect to the base 10 at all times. The right clamp arm 212 includes a third link 2121, a fourth link 2122, and a right clamp portion 2123; the upper end of the third connecting rod 2121 and the upper end of the fourth connecting rod 2122 are respectively hinged to the right clamping portion 2123, the lower end of the third connecting rod 2121 is hinged to the bottom supporting arm 213, the lower end of the fourth connecting rod 2122 is provided with a second gear 2124, the second connecting rod is pivoted to the bottom supporting arm 213 through the second gear 2124, and the second gear 2124 is engaged with the first gear 2114. The third link 2121, the fourth link 2122, the right grip portion 2123 and the second gear 2124 form a quadrilateral therebetween, and the quadrilateral allows the right grip portion 2123 to be always kept in a vertical state with respect to the base 10. The upper end of the first strut 22 is hinged to the second connecting rod 2112, an abdicating arc 221 is arranged at the upper end of the first strut 22, a third gear 222 is arranged at the lower end of the first strut 22, and the third gear 222 is pivoted on the base 10; the upper end of the second rod 23 is hinged to the fourth rod 2122, an abdicating arc 231 is disposed at the upper end of the second rod 23, a fourth gear 232 is disposed at the lower end of the second rod 23, the fourth gear 232 is pivotally connected to the base 10, and the third gear 222 and the fourth gear 232 are engaged with each other. The design of the abdicating arc 221 (231) can prevent the first support rod 22 and the second support rod 23 from touching the first gear 2114 and the second gear 2124 when the gravity support clamps the mobile phone, so that the support is more convenient to fold. A stop block 122 is disposed on the side wall of the front end of the rear panel 12, the stop block 122 is located at the lower end of the rear panel 12, the third gear 222 and the fourth gear 232 are respectively pivoted on the outer side wall of the stop block 122, and a sliding slot 123 is disposed in the stop block 122 for the bottom support arm 213 to pass through and slide up and down. The bottom support arm 213 has a support portion 2131 at the lower end thereof, and the two sides of the support portion 2131 are respectively provided with a receiving slot 2132, when the stand is folded, the left holding portion 2113 is received in the left receiving slot 2132, and the right holding portion 2123 is received in the right receiving slot 2132. An embedding groove 2133 is respectively arranged on two sides of the supporting portion 2131, the embedding groove 2133 is positioned at the rear end of the containing groove 2132, when the support is folded, the first connecting rod 2111 and the second connecting rod 2112 are contained in the left embedding groove 2133, and the third connecting rod 2121 and the fourth connecting rod 2122 are contained in the right embedding groove 2133.

The lower ends of the first link 2111 of the left holding arm 211 and the third link 2121 of the right holding arm 212 are provided with an abdicating arc 2115 (2125) convenient for folding the support, and the abdicating arc 2115 (2125) is designed to prevent the first link 2111 and the third link 2121 from touching the first gear 2114 and the second gear 2124 when the gravity support does not hold the mobile phone.

The resilient member 30 is a torsion spring, and the torsion spring 30 is located between the linkage 20 and the base 10. A first pivot column 2134 for connecting the second connecting rod 2121 is arranged on the bottom supporting arm 213, and a first gear 2114 is rotatably mounted on the first pivot column 2134; a second pivot column 2136 for connecting a fourth connecting rod 2122 is arranged on the bottom supporting arm, and a second gear 2124 is rotatably mounted on the second pivot column 2136. The torsion spring 30 has two through holes 31, the two through holes 31 are respectively matched with the first pivot column 2134 and the second pivot column 2136, and two ends of the torsion spring 30 are respectively connected with the second connecting rod 2112 and the fourth connecting rod 2122.

In addition, a torsion spring 30 can be respectively sleeved on the first pivot column 2134 and the second pivot column 2136, and two ends of the torsion spring sleeved on the first pivot column 2134 are connected between the second connecting rod 2112 and the bottom support arm 213; the two ends of the torsion spring 30 sleeved on the second pivot column 2136 are connected between the fourth link 2122 and the bottom support arm 213. The torsion spring 30 can also be sleeved on one of the first pivot column 2134 and the second pivot column 2136.

The fixing seat 40 is disposed at the rear end of the rear panel 12.

The use method and the working principle of the foldable stable gravity support are as follows: before use, the bracket is fixed through the fixing seat 40, and then the electronic product is placed in the clamping space 214. The bottom support arm 213 moves downwards along the chute 123 under the action of the gravity of the electronic product, and the second connecting rod 2112 and the fourth connecting rod 2122 move downwards along with the bottom support arm 213; at the same time, the first strut 22 hinged to the second link 2112 and the second strut 23 hinged to the fourth link 2122 also move downward. Due to the third gear 222 and the fourth gear 232, the first strut 22 and the second strut 23 are expanded to both sides, and the first link 2111 and the third link 2121 are linked to rotate upward around the first gear 2114 and the second gear 2124 and clamp the electronic product. At this time, the torsion spring 30 connected to the second link 2112 and the fourth link 2122 receives a torsion force and is stretched. When the electronic product is taken out, the second link 2112 and the fourth link 2122 receive the restoring force of the torsion spring 30, and rotate downwards around the first gear 2114 and the second gear 2124 as a center to release the electronic product; the first connecting rod 2111 and the third connecting rod 2121 are linked and moved downwards to be close by the left clamping portion 2113 and the right clamping portion 2123; at the same time, the first strut 22 hinged to the second link 2112 and the second strut 23 hinged to the fourth link 2122 are folded inwards, and at the same time, the bottom support arm 213 moves upwards, completing the reposition.

As a second embodiment of the present invention, the elastic element 30 is a tension spring, a hook portion 121 is disposed on the inner sidewall of the rear panel 12, a connecting portion 2135 is disposed at the lower end of the bottom supporting arm 213, and the tension spring 30 is vertically connected between the hook portion 121 and the connecting portion 2135.

The utility model discloses a design is key to be put in, through enclosing the configuration with left and right centre gripping arm by two connecting rods and clamping part respectively for the left clamping part and the right clamping part of support are pressing from both sides tightly and when loosening the electronic product, remain vertical state for the base throughout, thereby the putting into and taking out of the electronic product of being convenient for can make the electronic product both sides atress even simultaneously, and the centre gripping is stable, avoids taking off, rocks and inclines. The accommodating groove is formed in the lower side of the supporting part, and the left clamping arm and the right clamping arm can be accommodated in the base when the electronic product is not placed on the support by the aid of the first supporting rod and the second supporting rod, and the left clamping part and the right clamping part can be accommodated in the accommodating groove, so that the size of the support can be reduced, the occupied space of the support is reduced, and the support is more convenient to carry; meanwhile, the shielding area of the bracket at the air outlet of the automobile when the electronic product is not placed can be reduced, and the influence on air outlet is reduced.

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 modification, equivalent change and modification 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. A collapsible firm type gravity support, its characterized in that: comprises a base, a linkage mechanism, an elastic element for driving the linkage mechanism to reset and a fixed seat; the linkage mechanism comprises a clamping assembly, a first supporting rod and a second supporting rod, wherein the clamping assembly comprises a left clamping arm, a right clamping arm and a bottom supporting arm, and a clamping space for placing an electronic product is formed among the left clamping arm, the right clamping arm and the bottom supporting arm; the left clamping arm comprises a first connecting rod, a second connecting rod and a left clamping part, wherein the upper end of the first connecting rod and the upper end of the second connecting rod are respectively hinged on the left clamping part, the lower end of the first connecting rod is hinged on the bottom supporting arm, and the lower end of the second connecting rod is provided with a first gear which is pivoted on the bottom supporting arm through the first gear; the right clamping arm comprises a third connecting rod, a fourth connecting rod and a right clamping part, wherein the upper end of the third connecting rod and the upper end of the fourth connecting rod are respectively hinged on the right clamping part, the lower end of the third connecting rod is hinged on the bottom supporting arm, the lower end of the fourth connecting rod is provided with a second gear which is pivoted on the bottom supporting arm through the second gear, and the second gear is meshed with the first gear; the upper end of the first supporting rod is hinged with the second connecting rod, and the lower end of the first supporting rod is provided with a third gear which is pivoted on the base; the upper end of the second supporting rod is hinged with a fourth connecting rod, the lower end of the second supporting rod is provided with a fourth gear, the fourth gear is pivoted on the base, and the third gear and the fourth gear are meshed with each other; the bottom supporting arm can be movably positioned in the base up and down, the lower end of the bottom supporting arm is provided with a supporting part, the two sides of the supporting part are respectively provided with a containing groove, when the support is folded, the left clamping part is contained in the left containing groove, and the right clamping part is contained in the right containing groove; the elastic element is connected between the linkage mechanism and the base; the fixed seat is arranged at the rear end of the base.

2. A collapsible steady gravity support according to claim 1, wherein: the elastic element is a torsion spring, a first pivot column used for connecting the second connecting rod is arranged on the bottom supporting arm, and the first gear is rotatably arranged on the first pivot column; a second pivot column used for connecting a fourth connecting rod is arranged on the bottom supporting arm, and a second gear is rotatably arranged on the second pivot column; a torsion spring is sleeved on the first pivot column and the second pivot column respectively or a torsion spring is sleeved on one of the first pivot column and the second pivot column; two ends of a torsion spring sleeved on the first pivot column are connected between the second connecting rod and the bottom supporting arm; the two ends of the torsion spring sleeved on the second pivot column are connected between the fourth connecting rod and the bottom supporting arm.

3. A collapsible steady gravity support according to claim 1, wherein: the elastic element is a torsion spring, a first pivot column used for connecting the second connecting rod is arranged on the bottom supporting arm, and the first gear is rotatably arranged on the first pivot column; a second pivot column used for connecting a fourth connecting rod is arranged on the bottom supporting arm, and a second gear is rotatably arranged on the second pivot column; the torsion spring is provided with two through holes which are respectively matched with the first pivot column and the second pivot column correspondingly, and two ends of the torsion spring are respectively connected with the second connecting rod and the fourth connecting rod.

4. A collapsible steady gravity support according to claim 1, wherein: the elastic element is a tension spring which is vertically connected between the base and the bottom supporting arm.

5. A collapsible steady gravity support according to claim 1, wherein: the lower end of the inner side wall of the base is provided with a limiting block, and a sliding groove which is used for the bottom supporting arm to penetrate through and can slide up and down is arranged in the limiting block.

6. A collapsible steady gravity support according to claim 5, wherein: the third gear and the fourth gear are respectively pivoted on the outer wall of the limiting block.

7. A collapsible steady gravity support according to claim 1, wherein: the two sides of the supporting part of the bottom supporting arm are respectively provided with an embedding groove, when the support is folded, the first connecting rod and the second connecting rod are contained in the left embedding groove, and the third connecting rod and the fourth connecting rod are contained in the right embedding groove.

8. A collapsible steady gravity support according to claim 1, wherein: the upper ends of the first supporting rod and the second supporting rod are respectively provided with a abdicating arc which is convenient for folding the bracket.

9. A collapsible steady gravity support according to claim 1, wherein: the lower ends of the first connecting rod and the third connecting rod are provided with abdicating arcs which are convenient for folding the bracket.

10. A collapsible steady gravity support according to claim 1, wherein: the base comprises a front panel and a rear panel, and an accommodating space for installing the linkage mechanism and the elastic element is formed between the front panel and the rear panel.