CN216165954U - Unilateral constant force balance telescopic structure - Google Patents
Unilateral constant force balance telescopic structure Download PDFInfo
- Publication number
- CN216165954U CN216165954U CN202122499868.9U CN202122499868U CN216165954U CN 216165954 U CN216165954 U CN 216165954U CN 202122499868 U CN202122499868 U CN 202122499868U CN 216165954 U CN216165954 U CN 216165954U
- Authority
- CN
- China
- Prior art keywords
- coil spring
- shell
- pull rope
- winding block
- constant force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims description 62
- 239000002184 metal Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000020347 spindle assembly Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000003139 buffering effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Springs (AREA)
Abstract
The utility model discloses a single-side constant force balance telescopic structure which comprises a balance supporting device, wherein the balance supporting device comprises an outer supporting shell, one end of the outer supporting shell is connected with a movable seat through a first connecting plate, a constant force balance mechanism is arranged in the outer supporting shell, the constant force balance mechanism comprises a constant force coil spring, a coil spring turning component, a spring positioning rotating seat and a balance pull rope, the constant force coil spring is connected to the side wall of the outer supporting shell through the spring positioning rotating seat, a reed of the constant force coil spring is connected with the outer end part of the coil spring turning component and can be wound on the outer end part of the coil spring turning component, the coil spring turning component is rotatably connected to the inner end of the outer supporting shell, and the balance pull rope is wound on the other end of the coil spring turning component. The mechanism is novel in structure, better in balanced telescopic effect and safer and more reliable in use.
Description
Technical Field
The utility model relates to the field of mechanical structures, in particular to a unilateral constant force balance telescopic structure.
Background
With the development of economic society, electronic equipment is used more and more. Electronic devices such as displays are used in an increasing number of applications, whether in offices, medical facilities or processing facilities. In use, the stand is generally used in combination with a display to adjust the height of the display, and sometimes the stand is placed on a table or the stand is placed on the ground. The existing display support comprises a fixed support, a lifting constant-force support and a rotary support, a clockwork spring or a constant-force spring is generally used in the lifting of the lifting constant-force support, the clockwork spring or the constant-force spring generally realizes the constant-force lifting of the support through self curling, the existing clockwork spring is overlarge in size, inconvenient and unbalanced stress easily occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a unilateral constant force balance telescopic structure which is novel in structure, better in balance telescopic effect and safer and more reliable to use.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a unilateral formula constant force balance extending structure, includes the base, removes the seat and connects the backup pad in the base upper end, it is connected with the backup pad through balanced strutting arrangement to remove the seat, balanced strutting arrangement includes the outer shell that props, the one end that props the shell outward is connected with removing the seat through first connecting plate, be provided with constant force balance mechanism in the outer shell that props, constant force balance mechanism includes constant force coil spring, coil spring turn round subassembly, spring location rotation seat and balanced stay cord, the constant force coil spring rotates the seat through spring location and connects on the lateral wall of outer shell that props, the reed of constant force coil spring and the outer end connection of coil spring turn round subassembly and the reed can twine on the outer tip of coil spring turn round subassembly, coil spring turn round subassembly rotate and connect in outer shell that props the inner, the other end of coil spring turn round subassembly twines balanced stay cord.
Preferably, the outer supporting shell comprises a main metal supporting shell, the main metal supporting shell is a rectangular shell with one side open, one side of the main metal supporting shell is connected with a plastic steel cover plate, the end part of the plastic steel cover plate is connected with an elastic buckle, and the elastic buckle is in adaptive clamping connection with a supporting shell stepped groove arranged on the inner side of the main metal supporting shell.
Preferably, the coil spring rotor assembly includes a first coil spring winding block, a rope winding block, and a first rotor assembly to which the first coil spring winding block is located inside the rope winding block and is assembled together with the rope winding block.
Preferably, the first coil spring winding block is a cylindrical plastic block, and a plurality of first hollow grooves are formed in the first coil spring winding block; a first threaded hole is formed in the outer surface of the first coil spring winding block, a first coil spring positioning hole is formed in a reed of the constant force coil spring, and the reed of the constant force coil spring is connected with the first coil spring winding block through the first coil spring positioning hole and a first spring pressing piece in the first threaded hole.
Preferably, the pull rope winding block is in a concave wheel shape, and a second hollow groove is formed in the pull rope winding block; a first pull rope connecting hole is formed in the outer concave surface of the pull rope winding block, and the end part of the balance pull rope passes through the first pull rope connecting hole and then is connected with a pull rope positioning ring in the pull rope winding block;
the outer end of the balance pull rope penetrates through the shell wall of the outer support shell and then is connected with a pull rope hanging ring.
Preferably, the spring positioning rotating seat comprises a second rotating shaft assembly and a second coil spring winding block sleeved outside the second rotating shaft assembly, and the constant force coil spring is sleeved on the second coil spring winding block;
the end part of the second coil spring winding block is spirally connected with a coil spring plug.
Preferably, the first connecting plate is connected with the movable seat through a screw; the end connection of the outer supporting shell is provided with a supporting shell limiting sliding block, the inner wall of the supporting plate is provided with a first sliding limiting groove, and the inner end head of the supporting shell limiting sliding block is connected in the first sliding limiting groove in an adaptive mode.
Preferably, a second limiting groove used for balancing the embedded situation after the pull rope is pulled downwards is formed in the supporting plate on one side of the first sliding limiting groove, the limiting sliding block can slide on the upper limit of the first sliding limiting groove, and the cross section of the limiting sliding block and the cross section of the first sliding limiting groove are both isosceles trapezoids.
The utility model has the beneficial effects that:
among the above-mentioned unilateral formula constant force balance extending structure, adopt the balanced strutting arrangement of brand-new structure, through the cooperation of constant force coil spring and coil spring turning head subassembly among the balanced strutting arrangement, balanced effect is better to it is better to stabilize the effect. One part of the constant force coil spring is sleeved on the spring positioning rotating seat, and the outer end of a reed of the constant force coil spring is connected with the coil spring rotating head component. When the balance pull rope stretches out, the coil spring rotor assembly rotates anticlockwise, the reed on the constant force coil spring is gradually wound on the coil spring rotor assembly, the reed of the constant force coil spring provides buffer force for the balance pull rope through the coil spring rotor assembly at the moment, and after the balance pull rope 64 stays at a certain position, the constant force coil spring provides balance force for the balance pull rope through the elastic force of the reed in reverse rotation. The balance supporting device is different from the use method of directly using a constant force coil spring to provide balance buffering force in the existing structure.
The balance supporting device provided by the utility model fully utilizes the forward balance buffering force and the reverse balance buffering force of the constant-force coil spring, so that the balance of force can be completed by using the constant-force coil spring with smaller volume in the extending or contracting process of the balance pull rope, the structure of the balance supporting device is more novel, the installation and use of the constant-force spring are safer, the recovery effect of the constant-force coil spring is better, and the service cycle of the whole balance supporting device is longer.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural position diagram of a constant force balance mechanism.
FIG. 2 is a schematic structural position diagram of the main metal support shell and the plastic-steel cover plate.
Fig. 3 is a schematic view of the base and support plate structure position.
FIG. 4 is a schematic view showing the positions of the base, the movable base and the supporting plate
Detailed Description
The utility model provides a unilateral constant force balance telescopic structure, and the utility model is further described in detail below in order to make the purpose, technical scheme and effect of the utility model clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model is described in detail below with reference to the accompanying drawings:
example 1
Referring to fig. 1 to 4, a unilateral constant force balance telescopic structure includes a base 1, a movable base 2 and a supporting plate 3 connected to the upper end of the base 1. Remove seat 2 and be connected with backup pad 3 through balanced strutting arrangement 4, balanced strutting arrangement 4 includes outer shell 5 that props, and the one end of outer shell 5 that props is connected with removing seat 2 through first connecting plate 41. A constant force balance mechanism 6 is arranged in the outer support shell 5, and the constant force balance mechanism 6 comprises a constant force coil spring 61, a coil spring rotating head assembly 62, a spring positioning rotating seat 63 and a balance pull rope 64.
The constant force coil spring 61 is connected to the side wall of the outer support shell 5 through a spring positioning rotating seat 63, a reed of the constant force coil spring 61 is connected with the outer end part of the coil spring rotor assembly 62, the constant force coil spring 61 can be wound on the outer end part of the coil spring rotor assembly 62, the coil spring rotor assembly 62 is rotatably connected to the inner end of the outer support shell 5, and the other end of the coil spring rotor assembly 62 is wound with a balance pull rope 64.
The outer supporting shell 5 comprises a main metal supporting shell 51, the main metal supporting shell 51 is a rectangular shell with one side open, one side of the main metal supporting shell 51 is connected with a plastic steel cover plate 52, the end part of the plastic steel cover plate 52 is connected with an elastic buckle 53, and the elastic buckle 53 is clamped with a supporting shell stepped groove arranged on the inner side of the main metal supporting shell 51 in an adaptive mode.
The coil spring rotor assembly 62 includes a first coil winding block 621, a rope winding block 622, and a first shaft assembly 623, the first coil winding block 621 being located inside the rope winding block 622 and being fitted to the first shaft assembly 623 together with the rope winding block 622.
The first coil spring winding block 621 is a cylindrical plastic block, and a plurality of first hollow grooves 624 are formed in the first coil spring winding block 621; a first threaded hole 625 is formed in the outer surface of the first coil spring winding block 621, a first coil spring positioning hole 611 is formed in a reed of the constant force coil spring 61, and the reed of the constant force coil spring 61 is connected with the first coil spring winding block 621 through the first coil spring positioning hole 611 and a first spring pressing member in the first threaded hole 625.
The pull rope winding block 622 is in a concave wheel shape, and a second hollow-out groove 626 is formed in the pull rope winding block 622; a first pull rope connecting hole 627 is formed in the outer concave surface of the pull rope winding block 622, and the end of the balance pull rope 64 is connected with the pull rope positioning ring in the pull rope winding block 622 after passing through the first pull rope connecting hole 627. The balance pull rope 64 is a steel wire rope, and the outer end of the balance pull rope 64 penetrates through the shell wall of the outer support shell 5 and then is connected with a pull rope hanging ring 65.
The spring positioning rotating seat 63 comprises a second rotating shaft component 631 and a second coil spring winding block 632 sleeved outside the second rotating shaft component 631, the constant force coil spring 61 is in a circular drum shape, and the constant force coil spring 61 is sleeved on the second coil spring winding block 632; the end of the second coil spring winding block 632 is spirally connected with a coil spring plug 633.
The first connecting plate 41 is connected with the movable base 2 through screws; the end part of the outer supporting shell 5 is connected with a supporting shell limiting sliding block 54, the inner wall of the supporting plate 3 is provided with a first sliding limiting groove 31, and the inner end head part of the supporting shell limiting sliding block 54 is connected in the first sliding limiting groove 31 in an adaptive mode.
The supporting plate 3 on one side of the first sliding limiting groove 31 is provided with a second limiting groove 32 which is used for balancing the embedded situation after the pull rope 64 is pulled downwards, the limiting sliding block 54 can slide on the upper limit of the first sliding limiting groove 31, and the cross section of the limiting sliding block 54 and the cross section of the first sliding limiting groove 31 are both isosceles trapezoids.
Example 2
With reference to fig. 1 to 4, a unilateral constant force balance telescopic structure includes a balance support device 4, the balance support device 4 includes an external support shell 5, and one end of the external support shell 5 is connected to a movable base 2 through a first connection plate 41. The outer support shell 5 is internally provided with a constant force balance mechanism 6, the constant force balance mechanism 6 comprises a constant force coil spring 61, a coil spring rotating head assembly 62, a spring positioning rotating seat 63 and a balance pull rope 64, and the constant force coil spring 61 is connected to the side wall of the outer support shell 5 through the spring positioning rotating seat 63.
The reed of the constant force coil spring 61 is connected with the outer end part of the coil spring rotor assembly 62, the constant force coil spring 61 can be wound on the outer end part of the coil spring rotor assembly 62, the coil spring rotor assembly 62 is rotatably connected at the inner end of the outer support shell 5, and the other end of the coil spring rotor assembly 62 is wound with the balance pull rope 64. The coil spring rotor assembly 62 includes a first coil winding block 621, a rope winding block 622, and a first shaft assembly 623, the first coil winding block 621 being located inside the rope winding block 622 and being fitted to the first shaft assembly 623 together with the rope winding block 622.
The first coil spring winding block 621 is a cylindrical plastic block, and a plurality of first hollow grooves 624 are formed in the first coil spring winding block 621; a first threaded hole 625 is formed in the outer surface of the first coil spring winding block 621, a first coil spring positioning hole 611 is formed in a reed of the constant force coil spring 61, and the reed of the constant force coil spring 61 is connected with the first coil spring winding block 621 through the first coil spring positioning hole 611 and a first spring pressing member in the first threaded hole 625.
The pull rope winding block 622 is in a concave wheel shape, and a second hollow-out groove 626 is formed in the pull rope winding block 622; a first pull rope connecting hole 627 is formed in the outer concave surface of the pull rope winding block 622, and the end of the balance pull rope 64 is connected with the pull rope positioning ring in the pull rope winding block 622 after passing through the first pull rope connecting hole 627. The balance pull rope 64 is a steel wire rope, and the outer end of the balance pull rope 64 penetrates through the shell wall of the outer support shell 5 and then is connected with a pull rope hanging ring 65.
Example 3
Among the above-mentioned unilateral formula constant force balance extending structure, adopt the balanced strutting arrangement of brand-new structure, through the cooperation of constant force coil spring and coil spring turning head subassembly among the balanced strutting arrangement, balanced effect is better to it is better to stabilize the effect. A part of the constant force coil spring is sleeved on the spring positioning rotating seat, and the outer end of a reed of the constant force coil spring is connected with the coil spring rotating head component. When balanced stay cord 64 stretches out, the spring coiling rotor subassembly anticlockwise rotates, and the reed on the constant force spring coil gradually twines on the spring coiling rotor subassembly, and the reed of constant force spring coil provides the cushion force for balanced stay cord through the spring coiling rotor subassembly this moment, and after balanced stay cord 64 stopped at a certain position, the constant force spring coil passed through the reed and through reverse pivoted elastic force, provides the balanced power for balanced stay cord. The balance supporting device is different from the use method of directly using a constant force coil spring to provide balance buffering force in the existing structure.
The balance supporting device utilizes the forward balance buffering force and the reverse balance buffering force of the constant force coil spring, so that the balance pull rope can complete the force balance by using the constant force coil spring with smaller volume in the extending or contracting process, the structure of the balance supporting device is more novel, the installation and the use are safer, the recovery effect of the constant force coil spring is better, and the service cycle of the whole balance supporting device is longer.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Parts which are not described in the utility model can be realized by adopting or referring to the prior art.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a unilateral formula constant force balance extending structure, includes the base, removes the seat and connects the backup pad in the base upper end, a serial communication port, it is connected with the backup pad through balanced strutting arrangement to remove the seat, balanced strutting arrangement includes the outer shell that props, the outer shell that props includes main metal props the shell, the one end that props the shell outward is connected with removing the seat through first connecting plate, be provided with constant force balance mechanism in the outer shell that props, constant force balance mechanism includes constant force coil spring, coil spring spindle subassembly, spring location rotating seat and balanced stay cord, the constant force coil spring passes through spring location rotating seat and connects on the lateral wall of the outer shell that props, the reed and the outer end connection of coil spring spindle subassembly of constant force coil spring and the outer tip of coil spring spindle subassembly and the reed can twine on the outer end of coil spring spindle subassembly, coil spring spindle subassembly rotates and connects in the outer shell inner that props, the other end winding balanced stay cord of coil spring spindle subassembly.
2. The unilateral constant-force balance telescopic structure according to claim 1, wherein the main metal support shell is a rectangular shell with one side open, one side of the main metal support shell is connected with a plastic steel cover plate, the end of the plastic steel cover plate is connected with an elastic buckle, and the elastic buckle is in adaptive clamping connection with a support shell stepped groove formed in the inner side of the main metal support shell.
3. The unilateral constant-force balanced extension and retraction structure of claim 1, wherein the wrap spring rotor assembly comprises a first wrap spring winding block, a pull cord winding block, and a first spindle assembly, the first wrap spring winding block being located inside the pull cord winding block and being assembled to the first spindle assembly together with the pull cord winding block.
4. The unilateral constant-force balanced extension structure according to claim 3, wherein the first coil spring winding block is a cylindrical plastic block, and a plurality of first hollow grooves are formed in the first coil spring winding block; a first threaded hole is formed in the outer surface of the first coil spring winding block, a first coil spring positioning hole is formed in a reed of the constant force coil spring, and the reed of the constant force coil spring is connected with the first coil spring winding block through the first coil spring positioning hole and a first spring pressing piece in the first threaded hole.
5. The unilateral constant-force balance telescopic structure according to claim 3, wherein the pull rope winding block is in a concave wheel shape, and a second hollow groove is formed in the pull rope winding block; a first pull rope connecting hole is formed in the outer concave surface of the pull rope winding block, and the end part of the balance pull rope passes through the first pull rope connecting hole and then is connected with a pull rope positioning ring in the pull rope winding block;
the outer end of the balance pull rope penetrates through the shell wall of the outer support shell and then is connected with a pull rope hanging ring.
6. The unilateral constant-force balance telescopic structure according to claim 1, wherein the spring positioning rotating seat comprises a second rotating shaft component and a second coil spring winding block sleeved outside the second rotating shaft component, and the constant-force coil spring is sleeved on the second coil spring winding block;
the end part of the second coil spring winding block is spirally connected with a coil spring plug.
7. The unilateral constant-force balanced extension structure according to claim 1, wherein the first connecting plate is connected with the movable base through screws; the end connection of the outer supporting shell is provided with a supporting shell limiting sliding block, the inner wall of the supporting plate is provided with a first sliding limiting groove, and the inner end head of the supporting shell limiting sliding block is connected in the first sliding limiting groove in an adaptive mode.
8. The single-sided constant-force balance telescopic structure as claimed in claim 7, wherein a second limiting groove for embedding the balance pull rope after being pulled down is formed in the supporting plate on one side of the first sliding limiting groove, the limiting slide block can slide in the upper limit of the first sliding limiting groove, and the cross section of the limiting slide block and the cross section of the first sliding limiting groove are both isosceles trapezoids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122499868.9U CN216165954U (en) | 2021-10-18 | 2021-10-18 | Unilateral constant force balance telescopic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122499868.9U CN216165954U (en) | 2021-10-18 | 2021-10-18 | Unilateral constant force balance telescopic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216165954U true CN216165954U (en) | 2022-04-05 |
Family
ID=80883312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122499868.9U Active CN216165954U (en) | 2021-10-18 | 2021-10-18 | Unilateral constant force balance telescopic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216165954U (en) |
-
2021
- 2021-10-18 CN CN202122499868.9U patent/CN216165954U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210456967U (en) | Plate-type felt tensioner convenient for tension adjustment | |
| CN216165954U (en) | Unilateral constant force balance telescopic structure | |
| CN209427885U (en) | A kind of adjustable retractable cable disk of intelligence | |
| CN212037091U (en) | Adjustable aluminum clothes hanger | |
| CN105293165B (en) | Simple pay off rack | |
| CN206758773U (en) | A kind of data wire packing device | |
| CN110021463B (en) | Uniform pay-off equipment and uniform pay-off tensioning device thereof | |
| CN203977174U (en) | The Semi-automatic clothing-airing hanger of the convenient lifting that regulates clothes-horse | |
| CN209860265U (en) | Anti-drop power drum | |
| CN217562976U (en) | USB data line that adjustable length accomodate | |
| CN209835316U (en) | Clamping mechanism for cable winding and unwinding device | |
| CN214140949U (en) | An anti-dropping cable reel pay-off bracket | |
| CN113944851B (en) | Balance expansion piece and balance equipment | |
| CN112490983B (en) | Protective equipment capable of automatically arranging and fixing network cable for server | |
| CN209428719U (en) | A kind of use in sewing machine line apparatus for placing | |
| CN209448154U (en) | A kind of USB data line wrap-up convenient for winding | |
| CN112929783A (en) | Hanging earphone with adjustable microphone | |
| CN211419106U (en) | A seven-core wire winding device | |
| CN208850046U (en) | A kind of runway type voice coil of improvement | |
| CN208618408U (en) | A kind of hydraulic engineering pile pulling device | |
| CN208869103U (en) | A kind of full-automatic winder of architectural engineering | |
| CN210839998U (en) | Earphone set | |
| CN210312969U (en) | Winding and unwinding devices for communication equipment cable | |
| CN216217469U (en) | Earphone cord collection device | |
| CN222128266U (en) | Portable microphone with multiple wearing modes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |