CN107676602B - Supporting frame - Google Patents
Supporting frame Download PDFInfo
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- CN107676602B CN107676602B CN201710840837.0A CN201710840837A CN107676602B CN 107676602 B CN107676602 B CN 107676602B CN 201710840837 A CN201710840837 A CN 201710840837A CN 107676602 B CN107676602 B CN 107676602B
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- fixed
- friction plate
- friction plates
- control rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000007306 turnover Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a support frame which comprises two lifting support legs, wherein the two lifting support legs synchronously drive a motion mechanism arranged in each lifting support leg to realize lifting motion through a lifting driving piece; the rotating central part is fixedly connected with the moving mechanism and can realize lifting motion under the action of the moving mechanism; the turnover mechanism is arranged on the rotating center piece and comprises a fixed seat fixedly connected with the rotating center piece and a rotating sleeve which is opposite to the fixed seat and can be rotatably arranged, a supporting part for installing a to-be-supported object is arranged on the rotating sleeve, and the to-be-supported object can be driven to rotate around the rotating center piece through the turnover mechanism. The support frame can be used for adjusting the lifting and overturning, the support to be supported is arranged through the support frame, the stepless height adjustment and overturning of the support to be supported can be realized, the support to be supported can be conveniently applied to different use scenes, different use requirements are met, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of supporting devices, in particular to a supporting frame.
Background
The existing electronic equipment such as a flat panel and a display screen is usually supported by a support frame during installation, the support frame usually comprises a frame body and a mounting plate fixed on the frame body, and the electronic equipment is installed on the mounting plate through a fixing piece. Such a bracket makes the electronic equipment be in a fixed state after the installation, and height and angle can not be adjusted according to the use needs, so that the demands of various display positions and display angles are difficult to satisfy.
Disclosure of Invention
The invention aims to: the supporting frame can be used for supporting a to-be-supported object to realize lifting and overturning, and can meet various use requirements of a user.
In order to achieve the purpose, the invention adopts the following technical scheme:
the support frame comprises two lifting support legs, wherein the two lifting support legs synchronously drive a motion mechanism arranged in each lifting support leg through a lifting driving piece to realize lifting motion;
the rotating central part is fixedly connected with the moving mechanism and can realize lifting motion under the action of the moving mechanism;
the turnover mechanism is arranged on the rotating center piece and comprises a fixed seat fixedly connected with the rotating center piece and a rotating sleeve which is opposite to the fixed seat and can be rotatably arranged, a supporting part for installing a to-be-supported object is arranged on the rotating sleeve, and the to-be-supported object can be driven to rotate around the rotating center piece through the turnover mechanism.
As a preferred technical solution of the supporting frame, the fixing seat is provided with a plurality of fixed friction plates, the rotating sleeve is provided with a plurality of rotating friction plates, the fixed friction plates and the rotating friction plates are arranged in a staggered manner, and are overlapped in the circumferential direction of the rotating center, and the fixing seat can be fixed relative to the rotating sleeve by selective mutual contact of the fixed friction plates and the rotating friction plates.
As an optimal technical scheme of the support frame, the fixing seat comprises an inner mounting seat and an outer mounting seat which are of arc structures, the inner mounting seat and the outer mounting seat are concentric and are arranged at intervals, and an arc-shaped rotating sleeve mounting space is formed between the inner mounting seat and the outer mounting seat.
As a preferred technical scheme of the support frame, the swivel sleeve is provided with an arc-shaped swivel part and is arranged at two ends of the swivel part for mounting a supporting part to be supported, a friction plate mounting groove is formed in the swivel part along the circumferential direction of the swivel part, the swivel friction plate is arranged at the friction plate mounting groove, and the fixed friction plate is arranged on the inner mounting seat or the outer mounting seat.
As an optimal technical scheme of the support frame, a plurality of fixed friction plates are arranged on the fixed seat, a plurality of rotating friction plates are arranged on the rotating sleeve, the rotating sleeve can be limited to rotate relative to the fixed seat through selective contact of the fixed friction plates and the rotating friction plates, the support frame further comprises a control assembly for controlling the fixed friction plates and the rotating friction plates to be in mutual contact or separation, and the control assembly comprises a compression spring for controlling the fixed friction plates to move towards the rotating friction plates and a pressing handle for relieving the acting force of the compression spring on the fixed friction plates.
As an optimal technical scheme of the support frame, the control assembly further comprises a control rod, the control rod can drive the fixed friction plate to move towards or away from the position of the rotary friction plate, the compression spring sleeve is arranged on the control rod, the pressing handle is hinged to the fixed seat, and the pressing handle is provided with a control boss capable of being selectively extruded.
As an optimal technical scheme of the support frame, the support frame further comprises a control installation seat used for installing the control assembly, the control installation seat is fixedly connected with the fixed seat, the control rod penetrates through the fixed friction plate, the rotary friction plate and the control installation seat at the same time, one end, close to the pressing handle, of the control rod is provided with the compression spring, and the compression spring controls the position relation between the fixed friction plate and the rotary friction plate.
As a preferred technical solution of the supporting frame, a plurality of fixed friction plates are disposed on the fixing base, a plurality of rotating friction plates are disposed on the rotating sleeve, the rotation of the rotating sleeve relative to the fixing base can be limited by selective contact between the fixed friction plates and the rotating friction plates, and the supporting frame further includes a control assembly for controlling the fixed friction plates and the rotating friction plates to contact with or separate from each other, the control assembly includes a control rod and a clamping force fine-tuning mechanism, the control rod simultaneously penetrates through the fixed friction plates and the rotating friction plates, and the clamping force fine-tuning mechanism is disposed at an end of the control rod near the fixed friction plates and is used for controlling an initial frictional force between the fixed friction plates and the rotating friction plates.
As an optimal technical scheme of the support frame, an external thread is arranged at the end part of the control rod close to the fixed friction plate, and the clamping force fine adjustment mechanism comprises a nut which is sleeved on the control rod and is provided with an internal thread matched with the external thread.
As an optimal technical scheme of the support frame, the clamping force fine adjustment mechanism further comprises an anti-slip sleeve which is also sleeved on the control rod, the anti-slip sleeve is provided with an internal thread matched with the external thread, and the nut is arranged between the anti-slip sleeve and the fixed friction plate.
The invention has the beneficial effects that: the support frame can be used for adjusting the lifting and overturning, the support to be supported is arranged through the support frame, the stepless height adjustment and overturning of the support to be supported can be realized, the support to be supported can be conveniently applied to different use scenes, different use requirements are met, and the user experience is improved.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic perspective view of a support frame for mounting an object to be supported according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the support frame according to the embodiment of the present invention.
Fig. 3 is a schematic perspective view of the turnover mechanism of the embodiment of the present invention installed on the rotation center.
Fig. 4 is an exploded view of the turnover mechanism and the rotation center according to the embodiment of the present invention.
Fig. 5 is an exploded view of the control assembly and the inner fixing base according to the embodiment of the invention.
Fig. 6 is a schematic view illustrating an assembled state of the control assembly and the inner fixing base according to the embodiment of the present invention.
Fig. 7 is a schematic view illustrating an assembled state of the control assembly and the inner fixing base according to the embodiment of the invention.
Fig. 8 is a sectional view taken along line a-a of fig. 7.
In the figure:
1. lifting support legs; 2. a rotating center member; 3. a turnover mechanism; 31. a fixed seat; 311. fixing the friction plate; 312. an inner mounting seat; 313. an outer mount; 32. a rotating sleeve; 321. rotating the friction plate; 322. a rotating part; 323. a support portion; 324. limiting long holes; 325. connecting a screw rod; 326. sliding the friction plate; 4. a control component; 401. a control lever; 402. an arc-shaped chute; 403. a compression spring; 404. pressing the handle; 405. controlling the boss; 406. a control mounting seat; 407. a limiting boss; 408. a baffle plate; 409. a spring mounting groove; 410. a handle mounting groove; 411. a first hinge hole; 412. a second hinge hole; 413. a limiting baffle plate; 414. a nut; 415. hinging a shaft; 5. and (5) supporting the object.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 8, in the present embodiment, the support frame of the invention includes two lifting legs 1, and the two lifting legs 1 synchronously drive the movement mechanisms disposed inside the lifting legs to realize lifting movement through the lifting driving member;
the rotating central part 2 is fixedly connected with the moving mechanism and can realize lifting motion under the action of the moving mechanism;
the turnover mechanism 3 is arranged on the rotation center part 2 and comprises a fixed seat 31 fixedly connected with the rotation center part 2 and a rotation sleeve 32 which is rotatably arranged relative to the fixed seat 31, wherein the rotation sleeve 32 is provided with a supporting part 323 used for installing the object to be supported 5, and the object to be supported 5 can be driven to rotate around the rotation center part 2 through the turnover mechanism 3.
The support frame, can realize treating the elevating movement of support 5 through setting up liftable landing leg 1 to satisfy different user demands, set up tilting mechanism 3 on rotation center spare 2, through tilting mechanism 3 drives the rotation of treating support 5, can realize treating the angle modulation of support 5. This embodiment the support frame have rotation function and raising and lowering functions simultaneously, can satisfy the demand of more use occasions, improve the range of application of product, give better use experience of user.
In this embodiment, the object to be supported 5 is an intelligent flat plate, and the object to be supported 5 and the intelligent flat plate jointly form an intelligent flat plate assembly, which includes an intelligent flat plate main body, wherein the intelligent flat plate main body is mounted on the rotation center 2 through the turnover mechanism 3, so that the intelligent flat plate main body can be turned over relative to the rotation center 2 under the driving of the turnover mechanism 3.
In other embodiments, the object to be supported 5 may be any other object that needs to be supported and installed by the support frame.
The fixing seat 31 is provided with a plurality of fixed friction plates 311, the rotating sleeve 32 is provided with a plurality of rotating friction plates 321, the fixed friction plates 311 and the rotating friction plates 321 are arranged in a staggered manner, and are overlapped in the circumferential direction of the rotating central part 2, and the fixing seat 31 can be fixed relative to the rotating sleeve 32 by selective mutual contact of the fixed friction plates 311 and the rotating friction plates 321.
In this embodiment, the fixed friction plates 311 and the rotating friction plates 321 are relatively fixed by friction therebetween in a state of mutual contact, and friction is generated between two adjacent friction plates by arranging the fixed friction plates 311 and the rotating friction plates 321 at intervals. The rotating sleeve 32 provided with the rotating friction plate 321 can be turned over relative to the fixed seat 31 provided with the fixed friction plate 311 within the arc range defined by the fixed seat 31 in a state that the fixed friction plate 311 and the rotating friction plate 321 are not in contact with each other.
Specifically, the fixed seat 31 has a rotating sleeve mounting space for mounting the rotating sleeve 32, the rotating sleeve 32 is disposed in the rotating sleeve mounting space and is rotatable around the rotation center member 2 in the rotating sleeve mounting space, a first state in which the adjacent fixed friction plates 311 and the adjacent rotating friction plates 321 are in contact with each other and a second state in which the adjacent fixed friction plates 311 and the adjacent rotating friction plates 321 are separated from each other are provided, in the first state, the rotation of the rotating sleeve 32 with respect to the fixed seat 31 is restricted by a frictional force between the fixed friction plates 311 and the rotating friction plates 321, and in the second state, the friction between the rotating friction plates 321 and the fixed friction plates 311 is released, so that the rotating sleeve 32 is rotatable with respect to the fixed seat 31.
Fixing base 31 is including the interior mount pad 312 and the outer mount pad 313 that are the arc structure, interior mount pad 312 with outer mount pad 313 is concentric and the mutual interval sets up, in mount pad 312 with form between the outer mount pad 313 and be curved equally the swivel sleeve installation space, including being curved rotating part 322 and setting on the swivel sleeve 32 rotating part 322 both ends are used for installing the supporting part 323 of treating support 5, be provided with the friction disc mounting groove along its circumferencial direction on the rotating part 322, rotatory friction disc 321 sets up friction disc mounting groove department, fixed friction disc 311 sets up interior mount pad 312 or on the outer mount pad 313.
When the rotary sleeve 32 rotates relative to the fixed seat 31, the rotary sleeve 32 is always located in the rotary sleeve installation space and overturns within a range limited by the rotary sleeve installation space.
Further, in this embodiment, the rotating portion 322 is provided with a long limiting hole 324, and the fixed seat 31 and the rotating sleeve 32 are connected by a connecting member passing through the long limiting hole 324. In this embodiment, the connecting member is a connecting screw 325, the connecting screw 325 sequentially passes through the outer mounting seat 313, the rotating sleeve 32 and the inner mounting seat 312 and is connected to the outer mounting seat 313, the rotating sleeve 32 and the inner mounting seat 312, the connecting screw 325 moves in the long limiting hole 324 in a state that the rotating sleeve 32 is turned over relative to the fixed seat 31, and the movement range of the rotating sleeve 32 is limited by the limit position of the long limiting hole 324.
Further, in this embodiment, sliding friction plates 326 are disposed between the inner mounting seat 312 and the outer mounting seat 313 and the rotating portion 322, and a certain initial friction force can be provided between the fixed seat 31 and the rotating sleeve 32 by disposing the sliding friction plates 326, so that the fixed seat 31 and the rotating sleeve 32 do not rotate freely without friction, and the relative position is not easy to control.
It should be noted that the arrangement of the sliding friction plates 326 is not limited to the embodiment in which the sliding friction plates 326 are arranged between the inner mount 312 and the outer mount 313 and the rotating portion 322, and in other embodiments, the sliding friction plates 326 may be arranged only between the inner mount 312 and the rotating portion 322 or the sliding friction plates 326 may be arranged only between the outer mount 313 and the rotating portion 322. The specific arrangement form can be designed according to the size, the weight and the use situation of an actual product.
In order to control the relative position between the fixed friction plate 311 and the rotating friction plate 321, the support frame in this embodiment further includes a control assembly 4 for controlling the fixed friction plate 311 and the rotating friction plate 321 to contact or separate from each other.
Specifically, in this embodiment, the control assembly 4 includes a control rod 401, and the control rod 401 may drive the fixed friction plate 311 to move toward or away from the rotating friction plate 321. The control rod 401 penetrates through the fixed friction plate 311 and the rotating friction plate 321, an arc-shaped sliding groove 402 is formed in the rotating friction plate 321, and the control rod 401 slides in the arc-shaped sliding groove 402 when the rotating sleeve 32 rotates relative to the fixed seat 31. In the process of relative rotation, the fixing seat 31 and the control rod 401 are fixed in relative position, the rotating sleeve 32 drives the rotating friction plate 321 to rotate, and the arc-shaped sliding groove 402 is arranged to prevent the control rod 401 from interfering with the rotating sleeve 32.
The control assembly 4 includes a compression spring 403 for controlling the movement of the fixed friction plate 311 toward the rotating friction plate 321, and a pressing knob 404 for releasing the urging force of the compression spring 403 against the fixed friction plate 311.
The control assembly 4 further comprises a control rod 401, the control rod 401 can drive the fixed friction plate 311 to move towards or away from the position of the rotating friction plate 321, the compression spring 403 is sleeved on the control rod 401, the pressing handle 404 is hinged to the fixed seat 31, and the pressing handle 404 is provided with a control boss 405 capable of selectively extruding the control rod 401.
The compression spring 403 is used for providing an acting force to the fixed friction plate 311 to move towards the rotating friction plate 321, so that the fixed friction plate 311 and the rotating friction plate 321 are in contact with each other, and under the condition that the number and the mutual contact area of the fixed friction plate 311 and the rotating friction plate 321 are fixed, the magnitude of the elastic force of the compression spring 403 determines the magnitude of the friction force between the fixed seat 31 and the rotating sleeve 32, and further determines the acting force required by the overturn of the object 5 to be supported. The pressing handle 404 is used for providing a pushing force opposite to the acting force of the compression spring 403 to the control rod 401, under the condition that the contact between the fixed friction plate 311 and the rotating friction plate 321 needs to be relieved, the control rod 401 is pushed by the pressing handle 404 to move in the direction opposite to the elastic force direction of the compression spring 403, in the moving process, the compression spring 403 is further compressed, and the friction force between the fixed friction plate 311 and the rotating friction plate 321 is reduced or even disappears.
Specifically, the present embodiment further includes a control mounting seat 406 for mounting the control assembly 4, the control mounting seat 406 is fixedly connected to the fixing seat 31, the control rod 401 simultaneously penetrates through the fixed friction plate 311, the rotating friction plate 321 and the control mounting seat 406, the compression spring 403 is disposed at one end of the control rod 401 close to the pressing handle 404, and the compression spring 403 controls a position relationship between the fixed friction plate 311 and the rotating friction plate 321.
The control rod 401 is provided with the one end of compression spring 403 is provided with spacing boss 407, the both ends of compression spring 403 respectively support limit boss 407 with control mount 406. The fixed friction plate 311 and the rotating friction plate 321 are both located on one side of the control mounting seat 406 far away from the compression spring 403, one end of the compression spring 403 abuts against the control mounting seat 406, and the other end of the compression spring 403 abuts against the limiting boss 407, because the control mounting seat 406 is fixed in position, the limiting boss 407 is pressed under the action of the elastic force of the compression spring 403, so that the control rod 401 is driven to move towards one side of the control mounting seat 406 where the compression spring 403 is arranged, one end of the control rod 401, which is in contact with the fixed friction plate 311, moves towards one side of the compression spring 403, and the fixed friction plate 311 is driven to press the rotating friction plate 321, so that friction force is generated, and relative overturning between the fixed seat.
As a preferable technical solution, one end of the control rod 401 close to the fixed friction plate 311 is provided with a blocking plate 408, and the control rod 401 controls the fixed friction plate 311 through the blocking plate 408. The blocking piece 408 is mainly used for facilitating the installation of the control rod 401, and the fixed friction piece 311, the rotating friction piece 321 and the control installation seat 406 need to be penetrated in the installation process of the control rod 401, so the diameter of the blocking piece 408 is smaller than the aperture of the above parts, and in this case, the detachable blocking piece 408 is arranged to be capable of contacting with the fixed friction piece 311 through the blocking piece 408, so that the fixed friction piece 311 can be controlled.
The control mounting seat 406 is provided with a spring mounting groove 409 for mounting the compression spring 403, and a through hole through which the mounting rod can pass is formed in the bottom of the spring mounting groove 409. The arrangement of the spring mounting groove 409 facilitates the installation and the limiting of the compression spring 403, and meanwhile, the phenomenon that the compression spring 403 is exposed and foreign matters enter the range of the compression spring 403 to affect the work of the compression spring 403 can be avoided.
Still be provided with on the control mount pad 406 and be used for the installation the handle mounting groove 410 of pressing handle 404, the bilateral symmetry of handle mounting groove 410 is provided with first hinge hole 411, press on the handle 404 with what first hinge hole 411 corresponded is provided with second hinge hole 412, press the handle 404 through pass first hinge hole 411 with the articulated shaft 415 of second hinge hole 412 articulates in handle mounting groove 410. A limiting stop piece 413 is arranged between the compression spring 403 and the limiting boss 407, and the compression spring 403 is abutted against the limiting boss 407 through the limiting stop piece 413.
As a further preferable technical solution, in this embodiment, the control assembly 4 further includes a control rod 401 and a clamping force fine-tuning mechanism, the control rod 401 penetrates through the fixed friction plate 311 and the rotating friction plate 321 at the same time, and the clamping force fine-tuning mechanism is disposed at an end of the control rod 401 close to the fixed friction plate 311 and is used for controlling an initial friction force between the fixed friction plate 311 and the rotating friction plate 321.
Specifically, the end of the control rod 401 close to the fixed friction plate 311 is provided with an external thread, and the clamping force fine adjustment mechanism comprises a nut 414 which is sleeved on the control rod 401 and has an internal thread matched with the external thread. Through the matching of the internal thread and the nut 414, when the initial friction force needs to be adjusted, the nut 414 is rotated to enable the nut to move on the control rod 401 along the axial direction of the control rod 401, the closer to the fixed friction plate 311, the larger the processing friction force is, when the nut moves to the side far away from the fixed friction plate 311, the initial friction force is reduced, the size of the initial friction force is adjusted according to the actual use requirement, and when the turnover mechanism 3 is worn for a large number of times, the nut 414 can be rotated to enable the nut to further approach the fixed friction plate 311, so that the friction force is increased.
In order to prevent the nut 414 from being loosened due to excessive stress during use, in this embodiment, the clamping force fine adjustment mechanism further includes an anti-slip sleeve that is also sleeved on the control rod 401, the anti-slip sleeve has an internal thread that is matched with the external thread, and the nut 414 is disposed between the anti-slip sleeve and the fixed friction plate 311.
The clamping force fine adjustment mechanism further comprises a diffusion sheet, the diffusion sheet is sleeved between the nut 414 and the fixed friction plate 311, the contact area between the clamping force fine adjustment mechanism and the fixed friction plate 311 can be increased by the diffusion sheet, and the fixed friction plate 311 is prevented from being deformed due to the fact that the acting force of the clamping force fine adjustment mechanism on the fixed friction plate 311 is excessively concentrated.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (7)
1. A supporting frame is characterized by comprising two lifting support legs, wherein the two lifting support legs synchronously drive a motion mechanism arranged in each lifting support leg to realize lifting motion through a lifting driving piece;
the rotating central part is fixedly connected with the moving mechanism and can realize lifting motion under the action of the moving mechanism;
the turnover mechanism is arranged on the rotating central part and comprises a fixed seat fixedly connected with the rotating central part and a rotating sleeve rotatably arranged relative to the fixed seat, the rotating sleeve is provided with a supporting part for mounting an object to be supported, and the object to be supported can be driven to rotate around the rotating central part by the turnover mechanism;
the clamping device comprises a fixed seat, a rotating sleeve and a control assembly, wherein the fixed seat is provided with a plurality of fixed friction plates, the rotating sleeve is provided with a plurality of rotating friction plates, the rotating sleeve can limit the rotation of the rotating sleeve relative to the fixed seat through the selective contact of the fixed friction plates and the rotating friction plates, the clamping device also comprises the control assembly used for controlling the mutual contact or separation of the fixed friction plates and the rotating friction plates, the control assembly comprises a control rod and a clamping force fine-adjustment mechanism, the control rod simultaneously penetrates through the fixed friction plates and the rotating friction plates, and the clamping force fine-adjustment mechanism is arranged at the end part, close to the fixed friction plates, of the control rod and used for controlling the initial;
the end part of the control rod close to the fixed friction plate is provided with an external thread, and the clamping force fine adjustment mechanism comprises a nut which is sleeved on the control rod and is provided with an internal thread matched with the external thread;
the clamping force fine adjustment mechanism further comprises an anti-slip sleeve which is sleeved on the control rod, the anti-slip sleeve is provided with an internal thread matched with the external thread, and the nut is arranged between the anti-slip sleeve and the fixed friction plate.
2. The support bracket as claimed in claim 1, wherein a plurality of fixed friction plates are disposed on the fixed base, a plurality of rotating friction plates are disposed on the rotating sleeve, a plurality of the fixed friction plates and a plurality of the rotating friction plates are disposed in a staggered manner and overlapped in a circumferential direction of the rotating center member, and the fixed base is relatively fixed with respect to the rotating sleeve by selective contact between the fixed friction plates and the rotating friction plates.
3. The supporting bracket as claimed in claim 2, wherein the fixing base includes an inner mounting base and an outer mounting base, the inner mounting base and the outer mounting base are concentric and spaced from each other, and a mounting space of the rotary sleeve is formed between the inner mounting base and the outer mounting base.
4. The support frame of claim 3, wherein the rotary sleeve comprises an arc-shaped rotary part and supporting parts arranged at two ends of the rotary part for mounting an object to be supported, a friction plate mounting groove is arranged on the rotary part along the circumferential direction of the rotary part, the rotary friction plate is arranged at the friction plate mounting groove, and the fixed friction plate is arranged on the inner mounting seat or the outer mounting seat.
5. A support bracket according to any one of claims 1 to 4, wherein the control assembly comprises a compression spring for controlling the movement of the fixed friction plate towards the rotary friction plate, and a push handle for releasing the force of the compression spring on the fixed friction plate.
6. The support frame of claim 5, wherein the control assembly further comprises a control rod, the control rod can drive the fixed friction plate to move towards or away from the rotary friction plate, the compression spring is sleeved on the control rod, the pressing handle is hinged to the fixed seat, and the pressing handle is provided with a control boss capable of selectively pressing the control rod.
7. The support frame of claim 6, further comprising a control mounting seat for mounting the control assembly, wherein the control mounting seat is fixedly connected to the fixing seat, the control rod penetrates through the fixed friction plate, the rotating friction plate and the control mounting seat, the compression spring is disposed at one end of the control rod close to the pressing handle, and the position relationship between the fixed friction plate and the rotating friction plate is controlled by the compression spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840837.0A CN107676602B (en) | 2017-09-18 | 2017-09-18 | Supporting frame |
| PCT/CN2017/116787 WO2019052066A1 (en) | 2017-09-18 | 2017-12-17 | Support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840837.0A CN107676602B (en) | 2017-09-18 | 2017-09-18 | Supporting frame |
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| CN107676602A CN107676602A (en) | 2018-02-09 |
| CN107676602B true CN107676602B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710840837.0A Active CN107676602B (en) | 2017-09-18 | 2017-09-18 | Supporting frame |
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| Country | Link |
|---|---|
| CN (1) | CN107676602B (en) |
| WO (1) | WO2019052066A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207230077U (en) * | 2017-09-18 | 2018-04-13 | 广州视源电子科技股份有限公司 | Rotatable, intelligent flat board that goes up and down |
| CN109534250B (en) * | 2019-01-23 | 2023-12-29 | 廖凯轩 | Overturning platform |
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| US4995579A (en) * | 1987-06-11 | 1991-02-26 | Nhk Spring Co., Ltd. | Angle adjustment device in display device |
| USRE39084E1 (en) * | 1998-05-27 | 2006-05-02 | B-K Lighting, Inc. | Adjustable mount for sealed light systems |
| CN1978929A (en) * | 2005-12-01 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Hinge structure |
| CN1988780A (en) * | 2005-12-21 | 2007-06-27 | 群康科技(深圳)有限公司 | Display device |
| CN107504338A (en) * | 2017-08-10 | 2017-12-22 | 乐歌人体工学科技股份有限公司 | The rotatable lifting support of display |
| CN207005628U (en) * | 2017-08-10 | 2018-02-13 | 乐歌人体工学科技股份有限公司 | The rotatable lifting support of display |
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| US5820287A (en) * | 1997-02-21 | 1998-10-13 | Bartlett; William H. C. | Articulated conduit joint |
| CN2896450Y (en) * | 2006-03-06 | 2007-05-02 | 姜艺 | Small-panel-display wall hanger whose inclination is adjustable |
| CN201209752Y (en) * | 2008-06-11 | 2009-03-18 | 姜艺 | Panel TV wall hanging rack capable of being regulated in multi angles |
| CN102927411A (en) * | 2011-08-08 | 2013-02-13 | 柯兆宾 | Tripod with arrester and cradle head |
| CN206246973U (en) * | 2016-11-03 | 2017-06-13 | 张家港市万事达电教科技有限公司 | One kind lifting electronic LCD TV go-cart of flip type |
| CN107505988B (en) * | 2017-09-18 | 2024-05-14 | 广州视源电子科技股份有限公司 | Tilting mechanism and dull and stereotyped subassembly of intelligence |
| CN207182163U (en) * | 2017-09-18 | 2018-04-03 | 广州视源电子科技股份有限公司 | Turnover mechanism and intelligent flat plate assembly |
| CN207230077U (en) * | 2017-09-18 | 2018-04-13 | 广州视源电子科技股份有限公司 | Rotatable, intelligent flat board that goes up and down |
| CN107414761B (en) * | 2017-09-18 | 2019-11-15 | 广州视源电子科技股份有限公司 | Turnover mechanism and intelligent flat plate assembly |
-
2017
- 2017-09-18 CN CN201710840837.0A patent/CN107676602B/en active Active
- 2017-12-17 WO PCT/CN2017/116787 patent/WO2019052066A1/en active Application Filing
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|---|---|---|---|---|
| US4995579A (en) * | 1987-06-11 | 1991-02-26 | Nhk Spring Co., Ltd. | Angle adjustment device in display device |
| USRE39084E1 (en) * | 1998-05-27 | 2006-05-02 | B-K Lighting, Inc. | Adjustable mount for sealed light systems |
| CN1978929A (en) * | 2005-12-01 | 2007-06-13 | 鸿富锦精密工业（深圳）有限公司 | Hinge structure |
| CN1988780A (en) * | 2005-12-21 | 2007-06-27 | 群康科技(深圳)有限公司 | Display device |
| CN1988780B (en) * | 2005-12-21 | 2010-05-26 | 群康科技(深圳)有限公司 | Display device |
| CN107504338A (en) * | 2017-08-10 | 2017-12-22 | 乐歌人体工学科技股份有限公司 | The rotatable lifting support of display |
| CN207005628U (en) * | 2017-08-10 | 2018-02-13 | 乐歌人体工学科技股份有限公司 | The rotatable lifting support of display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107676602A (en) | 2018-02-09 |
| WO2019052066A1 (en) | 2019-03-21 |
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