CN215322315U - Mute gravity support - Google Patents

Abstract

The scheme provides a silence gravity support, has the first state that is applied to centre gripping article and the second state that is applied to not centre gripping article, including jack catch subassembly, elastic reset mechanism, link gear, support location portion and blotter. A clamping position for clamping articles is formed between the bearing clamping jaw and the pair of positioning clamping jaws of the clamping jaw assembly, and the bearing clamping jaw and the pair of positioning clamping jaws are respectively arranged on the linkage mechanism. The elastic reset mechanism is connected with the bearing clamping jaw and the linkage mechanism and used for resetting the bearing clamping jaw, the linkage mechanism and the pair of positioning clamping jaws and driving the mute gravity support to recover to the second state from the first state. The supporting and positioning part is movably connected to the linkage mechanism and used for providing a fixing position for the mute gravity support. The blotter sets up in link gear and/or jack catch subassembly, and when silence gravity support was in the second state, the blotter contacted with link gear and/or jack catch subassembly laminating for the relative motion between restriction jack catch subassembly and the link gear can prevent effectively that the support from rocking, noise reduction.

Description

Mute gravity support

Technical Field

The utility model belongs to the technical field of supports, and particularly relates to a mute gravity support.

Background

Along with the improvement of the feeling of people on the living quality, the daily life product has higher and higher requirements on the product which can provide convenience for daily life. For example, intelligent terminal devices such as mobile phones and the like have become indispensable personal belongings for people to follow, and the intelligent terminal devices need to be placed through a support in daily life and traveling, particularly in the process of driving. In the support designed at present, due to the virtual positions between the internal structures, when articles are not clamped and jolts occur, collision can occur between the accessories, noise is generated, and even the accessories are damaged.

Therefore, how to overcome the above technical defects is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mute gravity support which can effectively prevent the support from shaking and reduce noise.

To solve the above technical problem, the present invention provides a silent gravity bracket having a first state applied to a clamped object and a second state applied to an unclamped object, comprising:

the clamping jaw assembly, the elastic reset mechanism, the linkage mechanism, the supporting and positioning part and the cushion pad are arranged on the base; wherein the content of the first and second substances,

the jaw assembly comprises a bearing jaw and a pair of positioning jaws, and a clamping position for clamping an article is formed between the bearing jaw and the pair of positioning jaws;

the bearing clamping jaws and the pair of positioning clamping jaws are respectively arranged on the linkage mechanism;

the elastic reset mechanism is connected with the bearing clamping jaw and the linkage mechanism and is used for resetting the bearing clamping jaw, the linkage mechanism and the pair of positioning clamping jaws and driving the mute gravity support to be restored to the second state from the first state;

the support positioning part is movably connected to the linkage mechanism and used for providing a fixing position for the mute gravity support;

the buffer pad set up in link gear and/or on the jack catch subassembly, silence gravity support when the second state, the buffer pad with link gear and/or the jack catch subassembly laminating contact is used for the restriction the jack catch subassembly with relative motion between the link gear.

Optionally, the linkage mechanism includes a chuck and a turntable, the turntable is rotatably disposed on the chuck, and the elastic reset mechanism is respectively connected to the bearing jaws and the chuck;

when the mute gravity support is in a first state, the bearing clamping jaw is used for driving the elastic resetting mechanism to extend and driving the turntable to rotate through self movement; when the mute gravity support is in the second state, the bearing clamping jaws are used for being pulled to reset and driving the rotary table to rotate under the action of restoring force of the elastic resetting mechanism, and the rotary table is used for driving the positioning clamping jaws to move relatively through self rotation.

Optionally, the chuck includes protecgulum and back lid, the carousel set up in the protecgulum with the holding intracavity that the back lid formed, the chuck is seted up and is used for each a plurality of first openings that jaw assembly one-to-one inserted.

Optionally, a first sliding connecting piece is arranged on one side of the turntable, and a second sliding connecting piece is arranged on the other side of the turntable;

the bearing clamping jaw is provided with a first sliding position, and the first sliding position is used for being in sliding fit with a first sliding connecting piece of the rotary table;

the positioning clamping jaw is provided with a second sliding position, and the second sliding position is used for being in sliding fit with a second sliding connecting piece of the rotary table.

Optionally, the linkage mechanism includes a chuck and two connecting rods, the bearing jaws are respectively hinged to the positioning jaws through the two connecting rods, and the bearing jaws and the pair of positioning jaws are respectively in sliding fit with the chuck;

when the mute gravity support is in a first state, the bearing clamping jaws are used for driving the elastic reset mechanism to extend through self-movement and driving the two connecting rods to draw the pair of positioning clamping jaws to relatively approach; when the mute gravity support is in a second state, the bearing clamping jaws are used for being pulled to reset under the action of restoring force of the elastic resetting mechanism and driving the two connecting rods to pull a pair of positioning clamping jaws to be relatively far away.

Optionally, the chuck includes a front cover and a rear cover, two connecting rods are disposed in an accommodating cavity formed by the front cover and the rear cover, and the chuck is provided with a plurality of first openings for inserting the jaw assemblies one by one.

Optionally, the front cover is provided with a first sliding groove, and the first sliding groove is used for sliding matching with the positioning claw; the rear cover is provided with a second sliding groove which is used for being in sliding fit with the bearing clamping jaw.

Optionally, the supporting and positioning portion comprises a tail clamp, a fixing piece and a rotating piece which are connected in sequence; one end of the fixing piece is connected with the tail clamp, and the other end of the fixing piece is provided with a spherical groove; one end of the fixing piece is provided with a connecting ball, and the other end of the fixing piece is connected with the chuck; the connecting ball and the spherical groove form universal rotation connection.

Optionally, the chuck is provided with a second opening, and the chuck is connected with the rotating member through the second opening.

Optionally, the configuration of the buffer pad is at least three, and the buffer pad is a silica gel pad, a sponge, an EVA pad or a rubber pad.

The mute gravity support provided by the utility model has the beneficial effects that:

in actual operation, the mute gravity bracket is arranged at the position to be installed through the supporting and positioning part. When the mute gravity support is applied to a first state of clamping an object, the bearing clamping jaws stretch the elastic reset mechanism under the action of gravity of the object, and simultaneously the linkage mechanism drives the pair of positioning clamping jaws to relatively approach each other, so that the object is clamped. When the mute gravity support is applied to a second state of not clamping an object, the bearing clamping jaws reset under the action of the restoring force of the elastic resetting mechanism, and simultaneously the linkage mechanism drives the pair of positioning clamping jaws to relatively move away, so that the object is loosened. The blotter sets up on link gear and/or jack catch subassembly, and when silence gravity support was applied to the second state of not centre gripping article, the blotter contacted with link gear and/or jack catch subassembly laminating for the relative motion between restriction jack catch subassembly and the link gear, thereby prevent that the support from rocking and producing the collision with link gear because of the jack catch subassembly under the environment of jolting, the noise reduction improves and uses experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded front view of a silent gravity bracket according to an embodiment of the present invention;

FIG. 2 is an exploded view of a back view of a silent gravity bracket according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mute gravity support according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a positioning jaw mounted on a chuck according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a chuck with load bearing jaws according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a silent gravity support without an article placed thereon according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a silent gravity bracket for placing an object according to an embodiment of the present invention;

fig. 8 is a schematic front structural view of a turntable according to an embodiment of the present invention;

fig. 9 is a schematic back structure diagram of a turntable according to an embodiment of the present invention.

The reference numerals in the above figures include:

1-a chuck; 101-a front cover; 1011-first runner; 102-a rear cover; 1021-a second chute; 103-end cap; 2-a load-bearing jaw; 201-a first slide position; 202-an abutment groove; 3-positioning the jaw; 301-a second slide position; 4-an elastic reset mechanism; 5, rotating a disc; 501-a first sliding connection; 502-a second slip connector; 6-a buffer pad; 7-supporting the positioning part; 701-tail clamp; 702-a fixture; 703-a rotating member; 8-a non-slip mat; s-a clamping position.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is more than two, if there are first and second described for the purpose of distinguishing technical features, but not for indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The core of the utility model is to provide the mute gravity support, which can effectively prevent the support from shaking and reduce noise.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 in conjunction with fig. 2-9, the present invention provides a silent gravity bracket having a first state applied to clamp an object and a second state applied to unclamp the object. The mute gravity support comprises a jaw assembly, an elastic reset mechanism 4, a linkage mechanism, a supporting and positioning part 7 and a cushion pad 6.

Wherein, jaw assembly includes bearing jack catch 2 and a pair of location jack catch 3, is formed with the centre gripping position S that is used for the centre gripping article between bearing jack catch 2 and a pair of location jack catch 3. The number of the bearing claws 2 is at least one, and the number of the positioning claws 3 is at least one pair, and the bearing claws can be adaptively selected according to actual requirements.

The bearing clamping jaws 2 and the pair of positioning clamping jaws 3 are respectively arranged on the linkage mechanism.

The two ends of the elastic reset mechanism 4 are respectively connected with the bearing clamping jaw 2 and the linkage mechanism, and the elastic reset mechanism 4 is used for resetting the bearing clamping jaw 2, the linkage mechanism and the pair of positioning clamping jaws 3 to drive the mute gravity support to recover from a first state applied to clamping an object to a second state applied to unclamping the object. The movement process of the linkage mechanism from the second state to the first state specifically comprises the following steps: when an article is placed into the clamping position S, the bearing claws 2 slide from the first initial position to the first end position under the action of the gravity of the article, meanwhile, the elastic reset mechanism 4 extends, and the linkage mechanism drives the pair of positioning claws 3 to move oppositely from the second initial position to the second end position so that the claw assemblies clamp the article (the positions shown in figure 6 are the first initial position of the bearing claws 2 and the second initial position of the pair of positioning claws 3); the movement process of the linkage mechanism from the second state to the first state specifically comprises the following steps: when the article moves out of the clamping position S, the bearing claws 2 slide from the first termination position to the first initial position under the action of the restoring force of the elastic restoring mechanism 4, the linkage mechanism drives the pair of positioning claws 3 to move back to the second initial position from the second termination position so as to enable the claw assemblies to loosen the article, and at the moment, the elastic restoring mechanism 4 only receives the action of the self elastic restoring force to pull the bearing claws 2 to keep the state (the positions shown in figure 7 are the first termination position of the bearing claws 2 and the second termination position of the pair of positioning claws 3).

The supporting and positioning part 7 is movably connected to the linkage mechanism and used for providing a fixing position for the mute gravity support. According to the practical application environment and function, the supporting and positioning portion 7 can be designed into different types, for example, the object can be placed in the vehicle if necessary, the supporting and positioning portion 7 is usually a clamping structure, a magnetic attraction structure or a suction cup structure arranged at the air outlet and other positions, the object can be placed on the bumpy train table if necessary, and the supporting and positioning portion 7 is usually a suction cup structure or a base structure. The supporting and positioning portion 7 may be fixed to the link mechanism or detachably connected to the link mechanism.

The buffer pad 6 is arranged on the linkage mechanism and/or the jaw assembly, and when the mute gravity support is applied to the second state, the buffer pad 6 is in contact with the linkage mechanism and/or the jaw assembly in a fitting manner, and is used for limiting the relative motion between the jaw assembly and the linkage mechanism.

In actual operation, the silent gravity bracket is mounted on the position to be mounted through the supporting and positioning part 7. When an article is placed at the clamping position S of the mute gravity support, the bearing clamping jaws 2 stretch the elastic reset mechanism 4 under the action of the gravity of the article, and simultaneously the pair of positioning clamping jaws 3 are driven to be relatively close by the linkage mechanism, so that the article is clamped. When the article is taken out from the clamping position S of the mute gravity support, the bearing clamping jaws 2 reset under the action of the restoring force of the elastic resetting mechanism 4, and simultaneously the pair of positioning clamping jaws 3 are driven to be relatively far away through the linkage mechanism, so that the article is loosened. The buffer cushion 6 is arranged on the linkage mechanism or the jaw assembly, so that the jaw assembly is prevented from colliding with the linkage mechanism due to shaking in a bumpy environment, noise is reduced, and use experience is improved.

In the present embodiment, the linkage mechanism includes the chuck 1 and the turntable 5. The rotary table 5 is rotatably arranged on the chuck 1, and the rotary table and the chuck are rotatably connected through a rotating shaft or a gear. The support positioning portion 7 is provided on the chuck 1. The elastic reset mechanism 4 is respectively connected with the bearing claw 2 and the chuck 1.

The load-bearing jaws 2 are used to drive the turntable 5 in rotation by moving themselves. The rotary table 5 is used for driving the pair of positioning claws 3 to move relatively through self rotation. I.e. the load-bearing jaws 2 are interlocked with the positioning jaws 3 by means of the turntable 5. The bearing clamping jaws 2 in the first state are under the action of gravity of the articles, and the elastic reset mechanisms 4 are driven to extend through self movement, and the rotating discs 5 are driven to drive the pair of positioning clamping jaws 3 to approach relatively, so that the articles are clamped. The bearing clamping jaws 2 in the second state are dragged to reset under the action of the restoring force of the elastic resetting mechanism 4, and the drive turntable 5 drives the pair of positioning clamping jaws 3 to relatively move away. Specifically, sliding grooves may be provided at opposite ends of the two positioning claws 3, and the two positioning claws may slide linearly relative to each other. Of course, as shown in fig. 1, a sliding groove for engaging the two positioning claws 3 to slide relatively linearly may be provided in the chuck 1.

In this embodiment, the chuck 1 includes a front cover 101 and a rear cover 102, the rotating disc 5 is disposed in a containing cavity formed by the front cover 101 and the rear cover 102, and the chuck 1 is provided with a plurality of first openings for inserting a plurality of claws in a one-to-one correspondence. One end of a pair of positioning claws 3 respectively penetrates through the first openings at the left end and the right end of the chuck 1 and is inserted into the chuck 1, and one end of the bearing claw 2 penetrates through the first opening at the lower end of the chuck 1 and is inserted into the chuck 1.

On the basis of the above embodiment, one side of the rotating disc 5 is provided with a first sliding connector 501, and the other side is provided with a second sliding connector 502. The bearing claw 2 is provided with a first sliding position 201, and the first sliding position 201 is used for sliding fit with a first sliding connector 501 of the turntable 5. The positioning jaw 3 is provided with a second sliding position 301, the second sliding position 301 being adapted to slidably engage with a second sliding connection 502 of the turntable 5.

Specifically, the first sliding connector 501 and the second sliding connector 502 are both protrusions, the first sliding position 201 is a slot, and the length direction of the slot is not parallel to the moving direction of the bearing jaw 2, for example, perpendicular to the moving direction of the bearing jaw 2 or a certain direction forming an acute angle with the moving direction of the bearing jaw 2. The second sliding position 301 is a slot, and the length direction of the slot is non-parallel to the moving direction of the positioning claw 3, for example, perpendicular to the moving direction of the positioning claw 3 or a direction forming an acute angle with the moving direction of the positioning claw 3. Of course, the first sliding connector 501 and the second sliding connector 502 may also be slots, and the first sliding portion 201 and the second sliding portion 301 may be protrusions. Any clamping groove and protrusion capable of converting the vertical motion of the bearing clamping jaw 2 into the rotation motion of the rotary table 5 are in the protection range of the scheme. Similarly, any clamping groove and protrusion capable of converting the rotation motion of the rotary table 5 into the relative motion of the positioning claw 3 are within the protection scope of the present application.

The linkage mechanism can also comprise a chuck 1 and two connecting rods, the bearing clamping jaws 2 are respectively hinged with the positioning clamping jaws 3 through the two connecting rods, the bearing clamping jaws 2 and the pair of positioning clamping jaws 3 are respectively in sliding fit with the chuck 1, and if sliding grooves and the like are arranged on the chuck 1, the chuck 1 can also adopt the structure described above. The bearing claw 2 is used for driving the two connecting rods to draw the pair of positioning claws 3 to move relatively through self movement. Under the action of gravity of the article, the bearing clamping jaws 2 in the first state drive the elastic reset mechanisms 4 to extend through self movement and drive the two connecting rods to draw the pair of positioning clamping jaws 3 to approach relatively, so that the article is clamped. The bearing claws 2 in the second state are drawn to reset under the action of the restoring force of the elastic resetting mechanism 4, and two connecting rods are driven to draw a pair of positioning claws 3 to relatively move away. The linkage mechanism can adopt various forms according to actual conditions, and is within the protection scope of the scheme as long as the functions can be achieved.

In this embodiment, the chuck 1 includes a front cover 101 and a rear cover 102, two connecting rods are disposed in a containing cavity formed by the front cover 101 and the rear cover 102, and the chuck 1 is provided with a plurality of first openings for inserting a plurality of claws in a one-to-one correspondence. One end of a pair of positioning claws 3 respectively penetrates through the first openings at the left end and the right end of the chuck 1 and is inserted into the chuck 1, and one end of the bearing claw 2 penetrates through the first opening at the lower end of the chuck 1 and is inserted into the chuck 1.

On the basis of the above specific embodiment, the front cover 101 and the rear cover 102 are connected by bolts, and the front end of the front cover 101 is further provided with an end cover 103 for beautifying the appearance to shield the bolt head.

Further, as shown in fig. 4, the front cover 101 is provided with a first sliding groove 1011, and the first sliding groove 1011 is used for slidably fitting the positioning pawl 3. As shown in fig. 5, the rear cover 102 is provided with a second sliding groove 1021, and the second sliding groove 1021 is used for sliding fit of the load-bearing pawl 2. The first sliding groove 1011 and the second sliding groove 1021 can slide the positioning jaw 3 and the load-bearing jaw 2 on respective predetermined trajectories.

In this embodiment, the supporting and positioning portion 7 includes the tail clip 701, the fixing member 702 and the rotation member 703 that connect gradually, the tail clip 701 is connected to one end of the fixing member 702 and the other end is provided with a spherical groove, the chuck 1 is connected to one end of the fixing member 702 and the other end, and the connection ball and the spherical groove form a universal rotation connection, so that the support can rotate at any angle, and the switching of angles in various directions is realized. A certain friction coefficient is formed between the connecting ball and the spherical groove, so that the universal swing of the rotating piece 703 is damped swing, the rotating piece 703 can be driven to swing only by applying a certain force, and the abnormal swing caused by the dead weight of the mobile phone and the support is avoided.

In order to facilitate the replacement of the supporting and positioning part 7, the supporting and positioning part 7 is detachably connected with the chuck 1, and is suitable for the supporting and positioning part 7 which needs to be used for replacing waste parts or replacing different functions. Specifically, the chuck 1 is provided with a second opening, the chuck 1 is connected with the rotating part 703 through the second opening, and further, the rotating part 703 is connected with the chuck 1 through a threaded interface.

Further, the plurality of cushion pads 6 may be provided on the chuck 1 (the front cover 101 or the rear cover 102) or may be provided on the jaw assembly. A plurality of cushioning pads 6 are located between the jaw assemblies and the linkage interface in the direction of movement. Specifically, the two clamping jaws are respectively abutted against one side of the positioning clamping jaw 3, which is far away from the center, and one side of the bearing clamping jaw 2, which is close to the center. The elastic reset mechanism 4 plays a role in drawing the bearing clamping jaws 2 and the positioning clamping jaws 3 to generate a force to enable each clamping jaw component to be in contact with the buffer pad 6, so that abnormal sound and noise can not be generated due to shaking in the driving process of the mute gravity support. When the bearing clamping jaws 2 are under the gravity action of the object, each clamping jaw assembly is far away from the buffer pad 6, and the function of a gravity support is realized.

Referring to fig. 4 and 5 in conjunction with fig. 6, the cushion pads 6 are configured in at least three, wherein two cushion pads 6 are respectively provided at the front cover 101 and another cushion pad 6 is provided at the rear cover 102. And when the positioning clamping jaw 3 and the bearing clamping jaw 2 are respectively positioned at the second initial position and the first initial position, the cushion pad 6 is in contact with the abutting surfaces of the clamping jaw components and the linkage mechanism in the motion direction in a fitting manner under the second state of the mute gravity support. In particular, an abutment groove 202 may be provided on the load-bearing jaw 2, the edge of the abutment groove 202 being adapted to abut against another cushion 6 provided on the rear cover 102.

In a preferred embodiment, the cushion pad 6 is a silicone pad, a sponge, an EVA (ethylene vinyl acetate) pad, or a rubber pad, which has the characteristics of good flexibility, shock resistance, skid resistance, and strong pressure resistance, and the cushion pad 6 includes but is not limited to the above materials. The elastic reset mechanism 4 is a spring or a rubber band, and of course, other materials can be adopted, and any elastic reset mechanism 4 capable of achieving the above functions is within the protection scope of the scheme. Two ends of the spring are respectively connected with the bearing clamping jaw 2 and the chuck 1, particularly, two hook bodies are arranged at the end part of the bearing clamping jaw 2, the springs are symmetrically arranged on the two bearing clamping jaws 2, one end of the spring is connected with the hook bodies of the bearing clamping jaw 2, and the other end of the spring is connected with the chuck 1.

For better fixation of the object, the plurality of claws are provided with non-slip pads 8 on the catching surfaces. The non-slip mat 8 is for having elastic silica gel material, can also set up anti-skidding line on the non-slip mat 8 to improve anti-skidding ability.

In the specific embodiment, under the condition that the mobile phone is not placed, as shown in fig. 6, all movable clamping jaws are contacted with silica gel due to the restoring force of the spring acting on the bearing clamping jaws 2, the silica gel pushes against the clamping jaws, and the clamping jaws cannot shake, so that the noise of shaking of the support caused by bumping in the driving process of an automobile is eliminated, a good experience is brought to a user in the driving process, and a plurality of dysphoric psychological states caused by shaking of the support are avoided; under the condition of placing the mobile phone, as shown in fig. 7, the bearing clamping claw 2 rotates the rotary table 5, and simultaneously drives the positioning clamping claw 3 to be separated from the silica gel contact, so that the gravity support function is realized.

For a mobile phone, the load-bearing jaws 2 can be designed to be longer, and the end of the mobile phone inserted into the chuck 1 can extend beyond the center of the chuck 1, i.e., beyond the location of the positioning jaws 3.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A silent gravity bracket having a first state applied to clamp an object and a second state applied to an unclamped object, comprising:

the clamping jaw assembly, the elastic reset mechanism (4), the linkage mechanism, the supporting and positioning part (7) and the cushion pad (6); wherein the content of the first and second substances,

the jaw assembly comprises a bearing jaw (2) and a pair of positioning jaws (3), and a clamping position (S) for clamping an article is formed between the bearing jaw (2) and the pair of positioning jaws (3);

the bearing clamping jaws (2) and the pair of positioning clamping jaws (3) are respectively arranged on the linkage mechanism;

the elastic reset mechanism (4) is connected with the bearing clamping jaw (2) and the linkage mechanism and is used for resetting the bearing clamping jaw (2), the linkage mechanism and the pair of positioning clamping jaws (3) to drive the mute gravity support to be restored to the second state from the first state;

the supporting and positioning part (7) is movably connected to the linkage mechanism and used for providing a fixing position for the mute gravity support;

the buffer pad (6) is arranged on the linkage mechanism and/or the jaw assembly, and when the mute gravity support is in the second state, the buffer pad (6) is in contact with the linkage mechanism and/or the jaw assembly in an attaching mode and used for limiting the jaw assembly and the relative movement between the linkage mechanism.

2. The silent gravity bracket according to claim 1, wherein the linkage mechanism comprises a chuck (1) and a rotary table (5), the rotary table (5) is rotatably arranged on the chuck (1), and the elastic reset mechanism (4) is respectively connected with the bearing jaw (2) and the chuck (1);

when the mute gravity support is in a first state, the bearing clamping jaw (2) is used for driving the elastic reset mechanism (4) to extend and driving the turntable (5) to rotate through self movement; when the mute gravity support is in the second state, the bearing clamping jaws (2) are used for being dragged to reset and driving under the action of restoring force of the elastic resetting mechanisms (4), the rotary disc (5) rotates, and the rotary disc (5) is used for driving the positioning clamping jaws (3) to move relatively through rotation of the rotary disc.

3. The silent gravity bracket according to claim 2, wherein the chuck (1) comprises a front cover (101) and a rear cover (102), the rotating disc (5) is disposed in a containing cavity formed by the front cover (101) and the rear cover (102), and the chuck (1) is provided with a plurality of first openings for inserting the jaw assemblies one by one.

4. A silent gravity bracket according to claim 2, wherein the turntable (5) is provided with a first sliding connection (501) on one side and a second sliding connection (502) on the other side;

the bearing clamping jaw (2) is provided with a first sliding position (201), and the first sliding position (201) is used for being in sliding fit with a first sliding connecting piece (501) of the turntable (5);

the positioning clamping jaw (3) is provided with a second sliding position (301), and the second sliding position (301) is used for being in sliding fit with a second sliding connecting piece (502) of the rotary disc (5).

5. The silent gravity support according to claim 1, wherein the linkage mechanism comprises a chuck (1) and two connecting rods, the bearing jaws (2) are respectively hinged with each positioning jaw (3) through the two connecting rods, and the bearing jaws (2) and a pair of positioning jaws (3) are respectively in sliding fit with the chuck (1);

when the mute gravity support is in a first state, the bearing clamping jaws (2) are used for driving the elastic reset mechanism (4) to extend through self movement and driving the two connecting rods to draw the pair of positioning clamping jaws (3) to relatively approach; when the mute gravity support is in a second state, the bearing clamping jaws (2) are used for being pulled to reset under the action of restoring force of the elastic resetting mechanism (4) and driving the two connecting rods to pull a pair of positioning clamping jaws (3) to be relatively far away.

6. The silent gravity bracket according to claim 5, wherein the chuck (1) comprises a front cover (101) and a rear cover (102), the two connecting rods are arranged in a containing cavity formed by the front cover (101) and the rear cover (102), and the chuck (1) is provided with a plurality of first openings for inserting the jaw assemblies one by one.

7. A silent gravity bracket according to claim 3 or 6, wherein said front cover (101) is provided with a first runner (1011), said first runner (1011) being adapted to slidingly engage said positioning pawl (3); the rear cover (102) is provided with a second sliding groove (1021), and the second sliding groove (1021) is used for being in sliding fit with the bearing clamping jaw (2).

8. The silent gravity bracket according to claim 1, wherein the support positioning part (7) comprises a tail clip (701), a fixed part (702) and a rotating part (703) which are connected in sequence; one end of the fixing piece (702) is connected with the tail clamp (701), and the other end of the fixing piece is provided with a spherical groove; one end of the fixing piece (702) is provided with a connecting ball, and the other end of the fixing piece is connected with the chuck (1); the connecting ball and the spherical groove form universal rotation connection.

9. The silent gravity bracket according to claim 8, wherein the chuck (1) is provided with a second opening, and the chuck (1) and the rotating member (703) are connected through the second opening.

10. The silent gravity support according to claim 1, wherein the number of said buffer pads (6) is at least three, said buffer pads (6) being silicone pads, sponge, EVA pads or rubber pads.

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