CN220727666U - Screw type screen lifting support - Google Patents
Screw type screen lifting support Download PDFInfo
- Publication number
- CN220727666U CN220727666U CN202322480149.1U CN202322480149U CN220727666U CN 220727666 U CN220727666 U CN 220727666U CN 202322480149 U CN202322480149 U CN 202322480149U CN 220727666 U CN220727666 U CN 220727666U
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- screw
- hole
- lifting
- screw rod
- frame body
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a screw type screen lifting bracket, which comprises a bracket body, wherein a guide groove is formed in the bracket body; the screw rod is rotatably arranged in the frame body; an adjusting part arranged on the frame body and connected with the screw rod; one end of the lifting table is connected with the screw rod, the other end of the lifting table penetrates through the guide groove, the screw rod can rotate by rotating the adjusting part, and the lifting table moves up and down along the guide groove; the lifting platform is positioned at the guide groove by rotating the screw rod, so that screens with different weights can be installed on the lifting platform, the effect of changing the height of the screen can be achieved, the lifting platform has high universality in use, the screw rod is stable in structure and small in loss, the adjustable height position is finer, and the lifting platform has the advantages of accuracy, stability and longer service life.
Description
Technical Field
The utility model relates to a screen support, in particular to a screw type screen lifting support.
Background
Referring to fig. 6 and 7, the main structure of the screen support in the prior art is shown in fig. 6 and 7, which mainly comprises a frame 90, a lifting table 91 and a plurality of fixed force springs 92, wherein the frame 90 has an inner space and a track communicated with the inner space, the lifting table 91 is assembled in the frame 90 and can move up and down along the track, one end of each fixed force spring 92 is fixedly arranged on the lifting table 91, and the other end is fixedly arranged on the frame 90, so that when the screen is mounted on the lifting table 91, the screen can be moved up and down and hovered at any position on the track by means of the tension of the fixed force springs 92 in cooperation with the weight of the screen.
However, in order to hover the screen on the rail, the fixed force spring 92 is required to be matched with a screen with a specific weight to achieve such a function, the screen with an excessive weight can fall to the bottom end of the rail and cannot hover at other positions, the screen with an excessive weight can be pulled up to the top end of the rail or cannot move down to the specific position, so that the universality of the screen bracket is low, the screen weight of different brands is different even if the size of the screens is the same, and the use of the screen bracket with the same style can cause unstable hover effect, so that the use and the manufacturing process are all inconvenient; in addition, the constant force spring 92 is also easy to cause elastic fatigue in a long-time stretching state, so that the service life of the constant force spring is reduced, the efficacy of suspension positioning is lost, and the need for thinking and improvement is needed for the problems.
Disclosure of Invention
In view of the shortcomings and drawbacks of the prior art, the present utility model provides a screw type screen lifting bracket, wherein a screw is arranged in a bracket body, the screw is connected with an adjusting part, and a lifting table is assembled on the screw, so that the purpose of changing the height of the lifting table by rotating the screw through the adjusting part is achieved.
In order to achieve the above purpose, the present utility model provides a screw type screen lifting bracket, comprising:
a frame body having an inner space and a guide groove communicated with the inner space, the guide groove extending along the axial direction of the frame body;
a screw rotatably installed in the inner space of the frame body;
an adjusting part arranged on the frame body and connected with the screw rod;
one end of the lifting table is connected with the screw rod, the other end of the lifting table penetrates through the guide groove, the lifting table can rotate the screw rod by rotating the adjusting part, the lifting table moves along the guide groove, the lifting table is provided with a plurality of sliding pieces, and each sliding piece is used for reducing friction force between the lifting table and the frame body and preventing the lifting table from rotating relative to the frame body.
Further, the screw rod type screen lifting bracket is provided with an upper end and a lower end, wherein the upper end and the lower end are two ends which are opposite up and down, and an inner hexagonal hole is formed in the end face of the upper end in a concave manner.
Further, the adjusting portion includes an inner rotating disc, the inner rotating disc is a polygonal sheet, an inner connecting hole, a side locking hole and a side rotating hole are formed in the inner rotating disc, the inner connecting hole penetrates through the inner rotating disc in an axial direction, the side locking hole and the side rotating hole penetrate through and are communicated with the inner connecting hole in a radial direction, the inner rotating disc is sleeved at the upper end of the screw rod in the inner connecting hole, a fixing hole is formed in the radial direction of the upper end, and the fixing hole is provided with an inner thread and is communicated with the side locking hole.
Furthermore, the screw type screen lifting support further comprises an outer rotary disc, the outer rotary disc is provided with an inner side face, an outer side face and a ring side face, the ring side face is located between the inner side face and the outer side face, the inner side face is concaved inwards to form a combined groove, the shape of the combined groove corresponds to that of the inner rotary disc, and the outer rotary disc is fixedly sleeved on the inner rotary disc through the combined groove.
Further, the screw screen lifting support is characterized in that an outer connecting hole is formed in the outer side surface, the outer connecting hole penetrates through the outer rotating disc in the axial direction, and the upper end portion penetrates through the outer connecting hole.
Further, the screw screen lifting support is characterized in that a plurality of saw tooth parts are formed on the side face of the ring, and the saw tooth parts are arranged at intervals in a surrounding mode.
Further, the screw type screen lifting bracket is characterized in that an outer hole is formed on the side face of the ring, and the outer hole is communicated with the side rotating hole of the inner rotating disc.
Furthermore, the screw screen lifting bracket comprises a body and a plurality of sleeves, wherein the body is provided with a plurality of first mounting grooves, each first mounting groove is positioned at the upper end and the lower end of the body, and each sleeve is a hollow columnar body with internal threads, is respectively combined with the screw and is fixedly arranged in each first mounting groove.
Furthermore, the screw screen lifting bracket is characterized in that a plurality of ribs are convexly arranged on one side surface of each sliding piece, each rib extends along the axial direction and is arranged at intervals, the lifting table is further provided with a plurality of second mounting grooves, each second mounting groove is positioned on two opposite side surfaces of the body, and each sliding piece is arranged in each second mounting groove and each rib is attached to the frame body.
Furthermore, the screw screen lifting bracket comprises a base, a plurality of side shells and an upper cover, wherein each side shell is assembled on the base, part of the side shells are abutted against each convex rib, the upper cover penetrates through a cover hole, the upper cover is arranged at the top end of each side shell, the screw rod penetrates through the cover hole, and the screw rod is rotatably arranged on the base.
The utility model has the advantages that the lifting platform is positioned on the screw rod by rotating the screw rod, in other words, the lifting platform supports the weight of the lifting platform by the screw rod, and because the screwed structure has larger bearing capacity, screens with different weights can be arranged on the connecting rod of the lifting platform under the same structure, the effect of changing the height of the screens can be achieved, the lifting platform has high universality in use, a user can adjust the height of the lifting platform in different operation modes according to habits, the lifting platform has certain convenience, the structure of the screw rod is stable and has small loss, the adjustable height position is finer, and the whole lifting platform has the advantages of accuracy, stability and longer service life; the friction force between the sliding piece and the side shell can be effectively reduced by the ribs on the sliding piece, and meanwhile, the lifting table can be prevented from synchronously rotating along with the rotation of the screw rod because the ribs on the sliding piece are abutted against the inner wall of the side shell; in addition, the outer turntable has sawteeth to raise the friction force during holding to prevent sliding.
Drawings
FIG. 1 is a perspective view of the present utility model mounted on a base.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is another exploded view of the present utility model.
Fig. 4 is an external view of the internal structure of the present utility model.
Fig. 5 is a cross-sectional view of the present utility model.
Fig. 6 is a partial enlarged view of the prior art.
Fig. 7 is a partial cross-sectional view of the prior art.
Detailed Description
The following describes the technical means adopted by the present utility model to achieve the preset creation purpose in conjunction with the drawings and the preferred embodiments of the present utility model.
Referring to fig. 1 and 2, the screw type screen lifting bracket of the present utility model includes a frame 10, a screw 20, an adjusting portion 30 and a lifting table 40.
Referring to fig. 2 to 4, the frame 10 includes a base 11, a plurality of side shells 12 and an upper cover 13, wherein each side shell 12 is assembled on the base 11 and surrounds to form an inner space and a guide groove 121 communicating with the inner space, the guide groove 121 extends along an axial direction of the frame 10, the axial direction refers to an up-down direction when the frame 10 is placed on a plane, the upper cover 13 penetrates through a cover hole 131, and the upper cover 13 covers the top end of each side shell 12, but not limited thereto, the form of the frame 10 can be changed according to the requirement of a user.
Referring to fig. 2 to 5, the screw 20 is rotatably mounted in the inner space of the frame 10, specifically, the screw 20 has an upper end 21 and a lower end 22, the upper end 21 and the lower end 22 are opposite to each other in the vertical direction, an inner hexagonal hole 211 is concavely formed in the end surface of the upper end 21, a fixing hole 212 is formed in the radial direction of the upper end 21, an internal thread is formed in the fixing hole 212, the lower end 22 is rotatably disposed on the base 11, and the disposition is not repeated in the prior art, in this embodiment, the upper end 21 is a cylindrical body with an approximately elliptical cross section, which penetrates through the cover hole 131 of the upper cover 13, but not limited thereto, the form and disposition of the screw 20 may be changed according to the user's requirement.
In the present embodiment, the adjusting portion 30 is disposed on the frame 10 and connected to the screw 20, and the adjusting portion 30 includes an inner rotary plate 31, where the inner rotary plate 31 is a polygonal plate, and an inner connecting hole 311, a side locking hole 312 and a side rotating hole 313 are formed in the inner rotary plate 31, the inner connecting hole 311 penetrates the inner rotary plate 31 in an axial direction, the shape of the inner connecting hole 311 corresponds to the shape of the upper end 21 of the screw 20, the side locking hole 312 and the side rotating hole 313 penetrate and communicate with the inner connecting hole 311 in a radial direction, the inner rotary plate 31 is sleeved on the upper end 21 of the screw 20 with the inner connecting hole 311, and is locked in the fixing hole 212 by a locking member (not shown) penetrating the side locking hole 312, but the form of the inner rotary plate 31 can be changed according to the requirement of a user.
Further, the adjusting portion 30 further includes an outer rotating disc 32, the outer rotating disc 32 has an inner side 321, an outer side 322 and a ring side 323, the ring side 323 is located between the inner side 321 and the outer side 322, the inner side 321 is concaved to form a combined slot 324, the shape of the combined slot 324 corresponds to the shape of the inner rotating disc 31, the outer side 322 is formed with an outer connecting hole 325, the outer connecting hole 325 penetrates the outer rotating disc 32 in the axial direction, the shape of the outer connecting hole 325 corresponds to the shape of the upper end 21 of the screw 20, the ring side 323 is formed with a plurality of saw-tooth portions 326 and an outer side hole 327, each saw-tooth portion 326 is a tooth structure extending in the axial direction, and each saw-tooth portion 326 is circumferentially arranged at intervals, the outer side hole 327 penetrates the outer side 322 in the radial direction, the outer rotating disc 32 is sleeved on the inner rotating disc 31 by the combined slot 324 of the inner side 321, the outer side hole 327 is communicated with the side rotating hole 313, and the upper end 21 penetrates the outer connecting hole 325, but not limited thereto, the shape of the outer rotating disc 32 can be changed according to the user's requirement.
The lifting platform 40 comprises a body 41, a plurality of sleeves 42 and a plurality of sliding pieces 43, wherein the main structure of the body 41 is a hollow column body which is sleeved on the screw 20, the body 41 extends outwards from the hollow column body to form a connecting rod, the connecting rod penetrates through the guide groove 121 and is used for connecting a screen (not shown in the figure), the connecting rod is a connecting element in the prior art, so that the connecting rod is not repeated, the body 41 is provided with a plurality of first mounting grooves 411 and a plurality of second mounting grooves 412, each first mounting groove 411 is positioned at the upper end and the lower end of the body 41, and each second mounting groove 412 is positioned at the opposite two side surfaces of the body 41; the sleeve 42 is a hollow cylindrical body with internal threads, which is respectively combined with the screw 20 and fixedly arranged in each first mounting slot 411; the sliding member 43 is a single piece, a plurality of ribs 431 are protruding on a side surface of the sliding member 43, each rib 431 extends along the axial direction and is arranged at intervals, each sliding member 43 is disposed in each second mounting groove 412, each rib 431 is abutted against the side shell 12 on the side, the lifting platform 40 can drive each sleeve 42 to synchronously move by virtue of rotation of the screw 20, so that the lifting platform 40 can synchronously move along the screw 20, the contact area between the sliding member 43 and the side shell 12 can be effectively reduced by each rib 431, friction force is further reduced, meanwhile, the rib 431 on the sliding member 43 is abutted against the inner wall of the side shell 12, the body 41 can be prevented from synchronously rotating along with rotation of the screw 20, and the lifting platform 40 is only in the form of a single connecting rod, but the form of the lifting platform 40 can be changed according to the requirement of a user.
When the utility model is used, as shown in fig. 3 to 5, three operation modes are provided for lifting and adjusting the lifting table 40, one is that a hexagonal wrench or an electric wrench is used to insert the inner hexagonal hole 211 of the screw 20 from the outer connecting hole 325 at the top end, and the screw 20 is rotated, and when the screw 20 rotates, the lifting table 40 can be driven to move up and down along the guide slot 121; secondly, a rod body is inserted from an outer side hole 327 of the outer rotary disc 32, and the outer rotary disc 32 rotates by taking the screw rod 20 as a rotation center, so that the lifting table 40 is driven to move up and down along the guide groove 121; thirdly, the user directly holds the saw tooth portion 326 of the outer turntable 32 with the hand, and rotates the outer turntable 32, and the outer turntable 32 drives the screw 20 to rotate synchronously, so that the lifting platform 40 moves up and down along the guide groove 121.
In the above process, the lifting platform 40 is rotated by the screw 20 to change the position of the lifting platform on the screw 20, in other words, the lifting platform 40 supports the weight of the lifting platform by the screw 20, and because the screwed structure has larger bearing capacity, under the same structure, screens with different weights can be installed on the connecting rod of the lifting platform 40, and the effect of changing the height of the screens can be achieved, so that the lifting platform has high universality in use, the user can adjust the height of the lifting platform 40 in different operation modes according to habits, certain convenience is provided, the structure of the screw 20 is stable and the consumption is small, the adjustable height position is finer, and the whole has the advantages of accuracy, stability and longer service life.
In the above process, since the saw tooth portion 326 is formed on the outer turntable 32, the friction force during the holding process can be enhanced to prevent the sliding.
The present utility model is not limited to the above embodiments, but is capable of modification in all aspects, including the following description, but not limited to, embodiments, of the present utility model.
Claims (10)
1. A screw screen lifting bracket, comprising:
a frame body having an inner space and a guide groove communicated with the inner space, the guide groove extending along the axial direction of the frame body;
a screw rotatably installed in the inner space of the frame body;
an adjusting part arranged on the frame body and connected with the screw rod;
one end of the lifting table is connected with the screw rod, the other end of the lifting table penetrates through the guide groove, the lifting table can rotate the screw rod by rotating the adjusting part, the lifting table moves along the guide groove, the lifting table is provided with a plurality of sliding pieces, and each sliding piece is used for reducing friction force between the lifting table and the frame body and preventing the lifting table from rotating relative to the frame body.
2. The screw screen lifting bracket as recited in claim 1, wherein the screw has an upper end and a lower end, the upper end and the lower end are opposite to each other in the vertical direction, and an inner hexagonal hole is formed in the end face of the upper end in a concave manner.
3. The screw type screen lifting bracket as set forth in claim 2, wherein the adjusting part comprises an inner rotary plate, the inner rotary plate is a polygonal sheet body, an inner connecting hole, a side locking hole and a side rotating hole are formed in the inner rotary plate, the inner connecting hole penetrates through the inner rotary plate in the axial direction, the side locking hole and the side rotating hole penetrate through and are communicated with the inner connecting hole in the radial direction, the inner rotary plate is sleeved at the upper end part of the screw rod through the inner connecting hole, a fixing hole is formed in the radial direction of the upper end part, and the fixing hole is formed with an inner thread and is communicated with the side locking hole.
4. A screw screen lifting support as recited in claim 3, further comprising an outer turntable having an inner side, an outer side and a ring side, the ring side being located between the inner side and the outer side, the inner side being recessed to form a combination groove having a shape corresponding to the shape of the inner turntable, the outer turntable being secured to the inner turntable by the combination groove.
5. The screw type screen lifting bracket as claimed in claim 4, wherein the outer side surface is formed with an outer connection hole penetrating the outer rotary disk in an axial direction, and the upper end portion is penetrated through the outer connection hole.
6. The screw screen lifting bracket as recited in claim 5, wherein the ring side is formed with a plurality of serrations, each of the serrations being circumferentially spaced.
7. The screw screen elevating bracket as set forth in claim 6, wherein the ring side is formed with an outer hole, and the outer hole is in communication with the side rotation hole of the inner rotary disk.
8. The screen lifting support according to any one of claims 1 to 6, wherein the lifting platform comprises a body and a plurality of sleeves, the body is provided with a plurality of first mounting grooves, each first mounting groove is positioned at the upper end and the lower end of the body, and each sleeve is a hollow cylindrical body with internal threads, and is respectively combined with the screw and fixedly arranged in each first mounting groove.
9. The screw screen lifting bracket as recited in claim 8, wherein a side of each of the sliding pieces is convexly provided with a plurality of ribs, each of the ribs extends along the axial direction and is arranged at intervals, the lifting platform is further formed with a plurality of second mounting grooves, each of the second mounting grooves is positioned on two opposite sides of the body, each of the sliding pieces is arranged in each of the second mounting grooves, and each of the ribs is abutted against the frame body.
10. The screw screen lifting bracket of claim 9 wherein the frame comprises a base, a plurality of side shells and an upper cover, wherein each side shell is assembled on the base, part of the side shells are abutted against each rib, the upper cover is penetrated with a cover hole, the upper cover is arranged at the top end of each side shell, the screw rod is penetrated through the cover hole, and the screw rod is rotatably arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322480149.1U CN220727666U (en) | 2023-09-13 | 2023-09-13 | Screw type screen lifting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322480149.1U CN220727666U (en) | 2023-09-13 | 2023-09-13 | Screw type screen lifting support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727666U true CN220727666U (en) | 2024-04-05 |
Family
ID=90484890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322480149.1U Active CN220727666U (en) | 2023-09-13 | 2023-09-13 | Screw type screen lifting support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727666U (en) |
-
2023
- 2023-09-13 CN CN202322480149.1U patent/CN220727666U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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