CN220669023U - Display screen lifter with stable locking - Google Patents
Display screen lifter with stable locking Download PDFInfo
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- CN220669023U CN220669023U CN202321355351.5U CN202321355351U CN220669023U CN 220669023 U CN220669023 U CN 220669023U CN 202321355351 U CN202321355351 U CN 202321355351U CN 220669023 U CN220669023 U CN 220669023U
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- display screen
- screen assembly
- electric lock
- limit position
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Abstract
The utility model discloses a display screen lifter with stable locking, which comprises a machine body shell; the machine body shell is provided with a side plate, an accommodating cavity is formed in the machine body shell, and a display screen assembly, a locking mechanism and a lifting mechanism are arranged in the accommodating cavity; the lifting mechanism drives the display screen assembly to extend or retract to the accommodating cavity; the side plate is provided with a second sliding rail, and two ends of the second sliding rail are respectively provided with a first limiting piece and a second limiting piece; the display screen assembly is provided with a second sliding block; when the display screen assembly reaches the extending limit position, the top of the second sliding block is propped against the first limiting piece; when the display screen assembly reaches the retraction limit position, the bottom of the second sliding block is propped against the second limiting piece; the locking mechanism is fixed on the second sliding block and can lock the display screen assembly at the extending limit position or the retracting limit position. The locking mechanism is arranged to bear the acting force of the display screen lifter in the fully extended or retracted state of the display screen, so that the display screen lifter is stable and reliable and has long service life.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a display screen elevator with stable locking.
Background
Modern display devices, such as televisions, particularly plasma and liquid crystal ultrathin televisions, bring high-quality visual enjoyment to the life of people, generally people often hang the televisions on a wall or put the televisions in a television cabinet, however, the televisions cannot be stored on the wall or the television cabinet, certain space is occupied when the televisions are not used, and although some elevators for storing the televisions are also used for adjusting the height and the angle of the televisions in the market at present, the televisions cannot be stored so as to save occupied space when people do not use the televisions and make rooms tidy. With the advent of informatization and digitalization, a large amount of information data needs to be processed every day, and sometimes decision makers need to master and know the information in a short-distance or long-distance manner in a meeting mode, so that a large amount of large-scale conferences such as multimedia conferences and video conferences are presented. In order to meet the needs, many media lifting platforms are in China.
When the display screen is completely extended or retracted by the existing display screen lifter, the weight of the display screen assembly is still borne by the lifting transmission mechanism, so that the service life of the display screen lifter is greatly shortened due to the damage of transmission parts.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the display screen lifter with stable locking, which bears the acting force of the display screen lifter in the completely extended or retracted state by arranging the locking mechanism, is stable and reliable and has long service life.
The utility model adopts the following technical scheme:
the display screen lifter with stable locking is characterized by comprising a machine body shell; the machine body shell is provided with a side plate, a containing cavity is formed in the machine body shell, and a display screen assembly, a locking mechanism and a lifting mechanism are arranged in the containing cavity; the lifting mechanism is connected with the display screen assembly and used for driving the display screen assembly to extend or retract to the accommodating cavity;
the side plate is provided with a second sliding rail, and the direction of the second sliding rail is consistent with the moving direction of the display screen assembly; a first limiting piece and a second limiting piece are respectively arranged at two ends of the second sliding rail; the display screen assembly is provided with a second sliding block, and the second sliding block is in sliding connection with the second sliding rail; when the display screen assembly reaches the extending limit position, the top of the second sliding block is propped against the first limiting piece; when the display screen assembly reaches a retraction limit position, the bottom of the second sliding block is propped against the second limiting piece;
the locking mechanism is fixed to the second sliding block, and the locking mechanism can lock the display screen assembly to an extending limit position or a retracting limit position.
In an alternative embodiment, the locking mechanism is a telescopic rod structure, and the telescopic rod structure comprises an extensible or retractable telescopic rod; clamping grooves matched with the telescopic rods are formed in the first limiting piece and the second limiting piece; when the display screen assembly reaches the extension limit position or the retraction limit position, the telescopic rod extends out and is clamped into the clamping groove, and the display screen assembly is locked in position.
In an alternative embodiment, the locking mechanism is a first electric lock, and the first electric lock is provided with a first electric lock bolt which is controlled to extend or retract by an electromagnetic signal; clamping grooves matched with the first electric lock bolts are formed in the first limiting piece and the second limiting piece; when the display screen component reaches the extension limit position or the retraction limit position, the first electric lock bolt extends out and is clamped into the clamping groove, so that the display screen component is locked in position.
In an alternative embodiment, a rolling device is arranged at the contact position of the clamping groove and the electric lock bolt, and the rolling device is a roller with an axis perpendicular to the expansion direction of the electric lock bolt.
In an alternative embodiment, the lifting mechanism comprises a chain, and the display screen assembly is driven to move to extend out of or retract into the accommodating cavity by the traction of the chain.
In an alternative embodiment, a clamping mechanism is arranged at the joint of the display screen assembly and the chain.
In an alternative embodiment, the clamping mechanism comprises a fixed block and a movable block which are arranged at two sides of the chain; the movable block is connected with the display screen assembly in a sliding manner, and the movable block is close to or far away from the fixed block, so that the chain is clamped or loosened between the fixed block and the movable block.
In an alternative implementation mode, a second electric lock is arranged on the display screen assembly, the second electric lock is provided with a second electric lock bolt which is controlled to extend or retract by an electromagnetic signal, the movable block is connected with the second electric lock bolt, and the second electric lock drives the movable block to be close to or far away from the fixed block.
Compared with the prior art, the utility model has the beneficial effects that:
according to the display screen lifter, the locking mechanism is arranged and used for locking the position of the display screen assembly when reaching the extending limit position or the retracting limit position, so that on one hand, the locking effect can prevent the display screen assembly from sliding in the using process, and the display screen lifter is more stable and safer; on the other hand, the locking mechanism bears most of the weight of the display screen assembly, so that most of the pressure of the display screen assembly on the lifting mechanism is relieved, acting force borne by each transmission part of the lifting mechanism is removed, the transmission parts of the lifting mechanism are protected, the transmission parts of the lifting mechanism, particularly the transmission tooth structure, are prevented from being broken under the stress state for a long time, and the service life of the display screen lifter is prolonged.
Drawings
FIG. 1 is a front view of a display lifter of embodiment 1;
FIG. 2 is a schematic view showing the use state of the display lifter of embodiment 1;
fig. 3 is a perspective view of the display lifter of embodiment 1;
FIG. 4 is a schematic view of the display lifter of embodiment 1 at another angle;
fig. 5 is a schematic structural diagram of a lifting transmission frame in embodiment 1;
fig. 6 is a partial enlarged view of the B site of example 1.
In the figure: 100. a display screen assembly; 110. a display screen body; 120. lifting the transmission frame; 121. a first slider; 122. a second slider; 123. a third slider; 125. a clamping mechanism; 1251. a fixed block; 1252. a movable block; 200. a lifting mechanism; 222. lifting the driven wheel; 230. a chain; 231. a sprocket; 300. a housing; 310. a first guide rail; 320. a second guide rail; 321. a first limiting member; 322. a second limiting piece; 330. and a third guide rail.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of such embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are therefore not to be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, or connected via an intermediary, or may be a connection between two elements or an interaction relationship between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1:
referring to fig. 1-6, a display screen lifter with stable locking includes a body housing 300; the machine body shell 300 is provided with two oppositely arranged side plates, a back plate, a panel and a top plate, a containing cavity is formed in the machine body shell 300, and a display screen assembly 100, a locking mechanism and a lifting mechanism 200 are arranged in the containing cavity;
the lifting mechanism 200 is connected with the display screen assembly 100 and is used for driving the display screen assembly 100 to extend or retract into the accommodating cavity;
the display assembly 100 includes a display body 110 and a lifting transmission frame 120 that are connected to each other, and the lifting transmission frame 120 is connected to the lifting mechanism 200, so as to drive the display body 110 to extend out of or retract into the top plate completely.
The two side plates of the lifting transmission frame 120, which are close to the machine body shell 300, are respectively provided with a second sliding block 122 and a third sliding block 123; the two side plates of the body shell 300 are respectively provided with a second guide rail 320 and a third guide rail 330, and the directions of the second guide rail 320 and the third guide rail 330 are consistent with the movement direction of the display screen body 110 in and out of the accommodating cavity; through second slider 122 and second guide rail 320 sliding fit and third slider 123 and third guide rail 330 sliding fit, with lift drive frame 120 both ends are fixed, have improved the overall stability of display screen body 110, effectively avoid rocking.
The two ends of the second guide rail 320 are respectively provided with a first limiting part 321 and a second limiting part 322, the two ends of the third guide rail 330 are respectively provided with a third limiting part and a fourth limiting part, when the display screen body 110 completely stretches out of the accommodating cavity, the top of the second sliding block 122 is propped against the first limiting part 321, and meanwhile, the top of the third sliding block 123 is propped against the third limiting part, so that the second sliding block 122 and the third sliding block 123 are limited to further displace, and the position of the lifting transmission frame 120 is a stretching limit position. When the display screen body 110 is completely retracted into the accommodating cavity, the lower portion of the second slider 122 abuts against the second limiting member 322, and simultaneously, the lower portion of the third slider 123 abuts against the fourth limiting member, so as to limit the second slider 122 and the third slider 123 to further displace, and at this time, the position of the lifting transmission frame 120 is the retraction limit position.
Further, a locking mechanism is further included, and the locking mechanism is disposed on the second slider 122 and/or the third slider 123, and is used for locking the position of the lifting transmission frame 120 to the extending limit position or the retracting limit position.
The display screen lifter with stable locking is provided with the locking mechanism, so that the position of the lifting transmission frame 120 when reaching the extending limit position or the retracting limit position is locked, on one hand, the locking effect can prevent the display screen assembly 100 from sliding in the using process, and the display screen lifter is more stable and safer; on the other hand, the locking mechanism bears most of the weight of the display screen assembly 100, so that most of the pressure of the display screen assembly 100 on the lifting mechanism 200 is relieved, the stress borne by each transmission part of the lifting mechanism 200 is removed, the transmission parts of the lifting mechanism 200 are protected, the transmission parts of the lifting mechanism 200, particularly the transmission tooth structure, are prevented from being broken under the stress state for a long time, and the service life of the display screen lifter is prolonged.
Specifically, the locking mechanism comprises a first electric lock, and the first electric lock is provided with an electric lock bolt which is controlled to extend or retract by an electromagnetic signal; the first limiting piece 321, the second limiting piece 322, the third limiting piece and the fourth limiting piece are all provided with clamping grooves matched with electric lock bolts, when the position of the lifting transmission frame 120 advances to the extending limit position or the retracting limit position, the first electric lock bolts extend out and are clamped into the clamping grooves, so that the position locking of the lifting transmission frame 120 is realized, and when the position of the lifting transmission frame 120 needs to be changed, the first electric lock bolts retract, and unlocking is completed.
Further, the contact position of the clamping groove and the first electric lock bolt can be provided with a rolling device, such as a roller with the axis perpendicular to the expansion direction of the first electric lock bolt, so that the friction force between the clamping groove and the clamping groove when the first electric lock bolt expands and contracts is reduced, the condition that the first electric lock bolt is blocked is avoided, and the stability of the display screen lifter is improved.
A first sliding block 121 is arranged on one surface of the lifting transmission frame 120, which is close to the back plate of the machine body shell 300, a first guide rail 310 is arranged at the corresponding position of the back plate of the machine body shell 300, and the direction of the first guide rail 310 is consistent with the moving direction of the display screen body 110 in and out of the accommodating cavity; through the sliding connection of the first slider 121 and the first guide rail 310, the first guide rail 310 plays a guiding role, so that the display screen body 110 can enter and exit the accommodating cavity more stably and smoothly.
The lifting mechanism 200 includes a chain 230, and drives the display screen assembly 100 to move and extend or retract to the accommodating cavity by traction of the chain 230, specifically, a sprocket 231 is disposed above the gravity direction of the lifting driven wheel 222, the sprocket 231 is rotatably connected to the back plate, the chain 230 is sleeved on the lifting driven wheel 222 and the sprocket 231 circumferentially, and of course, a reversing wheel or a tensioning wheel may be disposed on the chain 230 to adjust the moving angle or tightness of the chain 230, which is understood by those skilled in the art.
The connection part of the lifting transmission frame 120 and the chain 230 is provided with a clamping mechanism 125, the clamping mechanism 125 comprises a fixed block 1251 and a movable block 1252 which are arranged on two sides of the chain 230, and the movable block 1252 is close to the fixed block 1251 to clamp the chain 230 between the fixed block 1251 and the movable block, so that the lifting transmission frame 120 moves up and down under the traction of the chain 230 to drive the display screen body 110 to extend or retract into the storage cavity; the movable block 1252 releases the chain 230 away from the fixed block 1251, releasing the linkage of the chain 230 and the lifting drive frame 120. Specifically, a second electric lock is provided on the lifting transmission frame 120, and the second electric lock has a second electric lock bolt controlled to extend or retract by an electromagnetic signal, and the movable block 1252 is connected with the second electric lock bolt.
The first electric lock and the second electric lock can be realized by other telescopic devices, such as a telescopic rod structure, a hydraulic rod structure, a gear rack structure and the like, which can be understood by those skilled in the art.
Although only certain elements and embodiments of the present application have been illustrated and described, many modifications and changes (e.g., variations in size, dimensions, structure, shape and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) may be suggested to those skilled in the art without actually departing from the scope and spirit of the appended claims.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the scope of the present utility model, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (6)
1. The display screen lifter with stable locking is characterized by comprising a machine body shell; the machine body shell is provided with a side plate, a containing cavity is formed in the machine body shell, and a display screen assembly, a locking mechanism and a lifting mechanism are arranged in the containing cavity; the lifting mechanism is connected with the display screen assembly and used for driving the display screen assembly to extend or retract to the accommodating cavity;
the side plate is provided with a second sliding rail, and the direction of the second sliding rail is consistent with the moving direction of the display screen assembly; a first limiting piece and a second limiting piece are respectively arranged at two ends of the second sliding rail; the display screen assembly is provided with a second sliding block, and the second sliding block is in sliding connection with the second sliding rail; when the display screen assembly reaches the extending limit position, the top of the second sliding block is propped against the first limiting piece; when the display screen assembly reaches a retraction limit position, the bottom of the second sliding block is propped against the second limiting piece;
the locking mechanism is fixed on the second sliding block and can lock the display screen assembly at an extending limit position or a retracting limit position;
the locking mechanism is a first electric lock, and the first electric lock is provided with a first electric lock bolt which is controlled to extend or retract by an electromagnetic signal; clamping grooves matched with the first electric lock bolts are formed in the first limiting piece and the second limiting piece; when the display screen assembly reaches an extension limit position or a retraction limit position, the first electric lock bolt extends out and is clamped into the clamping groove, so that the display screen assembly is locked in position;
the contact position of the clamping groove and the electric lock bolt is provided with a rolling device, and the rolling device is a roller with the axis perpendicular to the expansion direction of the electric lock bolt.
2. The stable lock display lifter of claim 1 wherein the locking mechanism is a telescoping rod structure having a telescoping rod that can be extended or retracted; clamping grooves matched with the telescopic rods are formed in the first limiting piece and the second limiting piece; when the display screen assembly reaches the extension limit position or the retraction limit position, the telescopic rod extends out and is clamped into the clamping groove, and the display screen assembly is locked in position.
3. The lock-stable display screen elevator of claim 1, wherein the elevator mechanism comprises a chain that pulls the display screen assembly to move out of or back into the receiving cavity.
4. A lock stable display screen lifter according to claim 3 wherein the display screen assembly is provided with a clamping mechanism at the connection to the chain.
5. The stable locking display lifter of claim 4 wherein the clamping mechanism comprises a fixed block and a movable block disposed on opposite sides of the chain; the movable block is connected with the display screen assembly in a sliding manner, and the movable block is close to or far away from the fixed block, so that the chain is clamped or loosened between the fixed block and the movable block.
6. The stable locking display lifter according to claim 5, wherein a second electric lock is arranged on the display screen assembly, the second electric lock is provided with a second electric lock bolt which is controlled to extend or retract by an electromagnetic signal, the movable block is connected with the second electric lock bolt, and the movable block is driven by the second electric lock to be close to or far away from the fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355351.5U CN220669023U (en) | 2023-05-30 | 2023-05-30 | Display screen lifter with stable locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355351.5U CN220669023U (en) | 2023-05-30 | 2023-05-30 | Display screen lifter with stable locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220669023U true CN220669023U (en) | 2024-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321355351.5U Active CN220669023U (en) | 2023-05-30 | 2023-05-30 | Display screen lifter with stable locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220669023U (en) |
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2023
- 2023-05-30 CN CN202321355351.5U patent/CN220669023U/en active Active
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