CN220212492U - Improved electric lifting showcase - Google Patents
Improved electric lifting showcase Download PDFInfo
- Publication number
- CN220212492U CN220212492U CN202321439300.0U CN202321439300U CN220212492U CN 220212492 U CN220212492 U CN 220212492U CN 202321439300 U CN202321439300 U CN 202321439300U CN 220212492 U CN220212492 U CN 220212492U
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- Prior art keywords
- side plate
- driving rod
- glass cover
- lifting
- guide rods
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- 239000011521 glass Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000006059 cover glass Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000005341 toughened glass Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an improved electric lifting showcase, which comprises: base and cover establish the glass cover on the base, the base includes: the table top, a left side plate and a right side plate for supporting the table top, and the two lifting mechanisms are respectively arranged in the left side plate and the right side plate; the lifting mechanism comprises: the glass cover is characterized by comprising two guide rods, a driving rod arranged between the two guide rods and a motor linked with the driving rod, wherein the two guide rods are fixedly arranged below the glass cover, gears are arranged at two ends of the driving rod, racks meshed with the gears are formed on the guide rods, the driving rod is driven to operate by the motor, and the guide rods are driven to operate up and down by the meshing of the gears and the racks. According to the utility model, two groups of lifting mechanisms are respectively arranged in the left side plate and the right side plate, and a gear-rack driving mode is adopted, so that the structure is compact, and the operation is stable. Meanwhile, a turbine worm mechanism is additionally arranged between the motor and the driving rod, so that the safety and anti-theft effect can be enhanced.
Description
Technical field:
the utility model relates to the technical field of display cabinet products, in particular to an improved electric lifting display cabinet.
The background technology is as follows:
museums, cultural relics, commodities and the like displayed in the museums are valuable, and the museums, the cultural relics, the commodities and the like need to be placed in a showcase during display. In order to facilitate the audience to observe, the museum showcase mostly adopts explosion-proof toughened glass. Because the glass cover made of explosion-proof toughened glass has a large weight, in order to facilitate the taking and placing of the exhibits, a plurality of showcases are driven in an electric mode at present, and the glass cover is opened and closed. According to different opening and closing modes, the existing showcases are divided into lifting and translation types.
For the lifting showcase, a lifting device is arranged in the showcase, and the glass cover is driven to lift by the lifting device. Typically, the lifting device is one or two depending on the shape of the showcase. For showcases with small transverse span, only one lifting device is usually required to be arranged on the vertical line of the gravity center of the glass cover, for example, see patent numbers: 201821056258.3, which discloses a novel lifting display cabinet, adopts the following technical scheme: the display device comprises a display table, a cabinet body and a lifting device, wherein the lifting device is fixedly arranged in the cabinet body, and the display table is arranged on the lifting device and is fixedly connected with the lifting device. In the technical scheme, as the transverse size of the cabinet body is not large, only one lifting device is needed. For showcases with larger lateral width, in order to keep the lifting balance of two sides, lifting devices are usually required to be respectively arranged on two sides of a long side of the showcase, for example, see patent numbers: 202122756109.6, which discloses a simple assembled cultural relic lifting display cabinet, adopts the following technical scheme: the lifting device comprises an outer shell, a supporting frame, a lifting machine, supporting plates, reinforcing frames and a protecting cover, wherein the supporting frame is fixedly arranged in the outer shell, the lifting machine is symmetrically and fixedly arranged at two ends of the supporting frame, the supporting plates are fixedly arranged on the supporting frames between the lifting machines, the reinforcing frames are fixedly arranged on the supporting frames on the outer sides of the lifting machine, the protecting cover is arranged on the supporting frames, and the bottom end of the protecting cover is fixedly connected with the lifting machine. In the technical scheme, the lifters are symmetrically fixed at the two ends of the supporting frame, so that balance can be ensured.
It can be seen from the above technical solution that, for showcases with larger lateral width, two sets of lifting mechanisms are generally required to ensure balance, and for showcases with special shapes, it is not possible to use one lifting mechanism at the center of gravity. For example, a hollowed-out structure is adopted for the supporting cabinet body below the showcase, namely, the supporting cabinet body below is not an integral closed cabinet body, but is supported only by the left side plate and the right side plate, and the supporting cabinet body also needs to adopt double lifting mechanisms, and the two groups of lifting mechanisms can keep synchronous operation. For showcases employing two sets of lifting mechanisms, no cylinder or hydraulic cylinder should generally be selected because it is difficult to ensure synchronism.
In addition, the glass cover is usually valuable for the articles displayed in the museum, and meanwhile, the weight of the glass cover is also large, so that the glass cover must be ensured to run stably in the lifting process, self-locking can be realized, and the lifting mechanism is prevented from sliding down due to accidents.
In order to solve the above problems, the present inventors have further improved on the basis of the prior art, and have proposed the following technical solutions.
The utility model comprises the following steps:
the utility model aims to solve the technical problem of overcoming the defects existing in the prior art and providing an improved electric lifting showcase.
In order to solve the technical problems, the utility model adopts the following technical scheme: improved generation electric lift showcase includes: base and cover establish the glass cover on the base, the base include: the glass cover is arranged on the base through two lifting mechanisms which are respectively arranged in the left side plate and the right side plate; the lifting mechanism comprises: the glass cover is characterized by comprising two guide rods, a driving rod arranged between the two guide rods and a motor linked with the driving rod, wherein the two guide rods are fixedly arranged below the glass cover, gears are arranged at two ends of the driving rod, racks meshed with the gears are formed on the guide rods, the driving rod is driven to operate by the motor, and the guide rods are driven to operate up and down by meshing of the gears and the racks.
Further, in the above technical solution, the glass cover includes: the glass cover body is arranged above the bearing seat and the fixed bearing seat, and the upper end of the guide rod is fixed below the bearing seat.
In the technical scheme, a shaft sleeve or a flange plate is arranged between the guide rod and the left side plate and between the guide rod and the right side plate.
In the above technical scheme, the driving rod is fixed in the left side plate and the right side plate through the bearing seat.
In the technical scheme, motors in the lifting mechanisms respectively positioned in the left side plate and the right side plate are connected to the same control unit.
In the technical scheme, the motor is linked with the driving rod through the worm and gear transmission mechanism.
In the technical scheme, the output shaft of the motor is linked with a worm, a turbine meshed with the worm is fixed on the driving rod, and the motor drives the driving rod to rotate through a turbine worm transmission mechanism.
The lower part of the table top in the showcase base is hollowed out, so that two groups of lifting mechanisms are respectively arranged in the left side plate and the right side plate, and meanwhile, a gear and rack driving mode is adopted, so that the showcase base is compact in structure and stable in operation. Meanwhile, the worm and gear mechanism is additionally arranged between the motor and the driving rod, and the unexpected falling condition of the glass cover in the lifting process can be avoided through the self-locking function of the worm and gear mechanism. Meanwhile, due to the self-locking function of the worm and the worm, when the glass cover is covered on the base, the glass cover is difficult to lift under the condition that the motor is not started, so that the anti-theft effect can be enhanced.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model in a closed position;
FIG. 2 is a perspective view of the utility model in an open state;
FIG. 3 is an internal structural view of the left side portion in the open state of the present utility model;
fig. 4 is an internal structural view of the left side portion in the closed state of the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 4, the present utility model is an improved electric lifting showcase for a facility for displaying cultural relics, valuables in a museum, a cultural relic house, etc., which comprises: a base 1 and a glass cover 2.
The base 1 may be a hollow metal frame structure, including: the table top 11 and the left side plate 12 and the right side plate 13 for supporting the table top 11 are provided with a display table 10 for displaying the displayed objects above the table top 11, the display table 10 protrudes from the top surface of the table top 1, and a certain space is reserved around the display table 10 for placing the glass cover 2.
The glass cover 2 includes: a carrying seat 21 and a glass cover 22 fixed on the carrying seat 21. The glass cover 22 is a cuboid lacking a lower surface, and the bearing seat 21 is a metal frame structure which can be placed on the upper surface of the table top 11 and surrounds the display stand 10. The lower part of the glass cover body 22 is fixed on the bearing seat 21. The glass cover 22 can be made of an explosion-proof toughened glass plate with the thickness of 8-12 mm.
The glass cover 2 is arranged on the base 1 through the lifting mechanism 3, and the lifting mechanism 3 cannot be arranged because the lower part of the display stand 10 is hollowed out, so that the lifting mechanism 3 is respectively arranged on the left side plate and the right side plate. The glass cover 2 is arranged on the base 1 through two lifting mechanisms 3. Meanwhile, in order to ensure that the two groups of lifting mechanisms 3 can run synchronously, the specifications and the dimensions of the two groups of lifting mechanisms 3 are the same. The lifting mechanism 3 located in the left side plate 12 will be described below as an example.
The lifting mechanism 3 comprises: the driving mechanism comprises two guide rods 31, a driving rod 32 arranged between the two guide rods 31, a motor 33 linked with the driving rod 32, and a worm gear mechanism linking the driving rod 32 and the motor 33.
The two guide rods 31 are fixedly arranged below the glass cover 2, namely, the upper ends of the guide rods 31 are fixed on the bearing seat 21 of the glass cover. The guide bar 31 extends downwardly into the left side plate 12. In order to ensure stable operation of the guide rod 31, a shaft sleeve or a flange plate is arranged between the guide rod 31 and the left side plate 12. Two guide rods 31 mounted on the left side plate 12 serve to support the left side of the glass cover 2. Meanwhile, two guide rods 31 mounted on the right side plate 13 are used to support the right side of the glass cover 2, and stable support is formed for the glass cover 2 by four guide rods 31.
The guide rod 31 is provided with a rack 311, and the rack 311 is directly processed and formed on the guide rod 31.
The two ends of the driving rod 32 are provided with gears 321, the racks 311 formed on the guide rods 31 are meshed with the gears 321, so that when the driving rod 32 is driven to operate by the motor 33, the guide rods 31 are driven to operate up and down by the meshing of the gears 321 and the racks 311, and the glass cover 2 is lifted.
In order to ensure smooth positioning and operation of the driving rod 32, a bearing seat 36 is provided on the driving rod 32, and the bearing seat 36 is fixed to the inner wall of the left side plate 12.
The specifications and dimensions of the two guide rods 31 and the two gears 321 are the same, so that after the motor 33 drives the driving rod 32 to rotate, the gears 321 at the two ends of the driving rod are meshed with the racks 311, so that the guide rods 31 are pushed to move up and down, and the glass cover 2 fixed with the guide rods 31 is driven to lift.
In order to increase the anti-theft effect, the motor 33 is linked with the driving rod 32 through a worm and gear transmission mechanism. Specifically, the output shaft of the motor 33 is linked with a worm 35, a worm wheel 34 meshed with the worm 35 is fixed on the driving rod 32, and the motor 33 drives the driving rod 32 to rotate through a worm wheel and worm transmission mechanism. Due to the self-locking function of the worm gear mechanism, the guide rod 31 and the gear 321 cannot relatively operate in the non-starting state of the motor 33, so that the glass cover 2 cannot fall down accidentally due to self weight after being lifted. Meanwhile, after the exhibition is finished, only the power supply is required to be cut off, and the external force cannot directly lift the glass cover 2 due to the self-locking function of the worm and the worm gear, so that the anti-theft effect is achieved.
The lifting mechanism 3 in the right side plate 13 generally adopts the above mechanism, and will not be described here again. In addition, in order to ensure that the two groups of lifting mechanisms 3 can run synchronously, the motors 33 in the lifting mechanisms 3 positioned in the left side plate 12 and the right side plate 13 are connected to the same control unit, the motors 33 can adopt stepping motors, and wires for connecting the two motors 33 can pass through the inner space of the table top 11, so that synchronous control of the two motors 33 is realized, and inclination is avoided.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (7)
1. Improved generation electric lift showcase includes: base (1) and cover glass cover (2) of establishing on base (1), base (1) include: the table top (11) and be used for supporting left side board (12), right side board (13) of table top (11), be provided with show stand (10) that are used for showing the article of showing, its characterized in that above table top (11):
the glass cover (2) is arranged on the base (1) through two lifting mechanisms (3), and the two lifting mechanisms (3) are respectively arranged in the left side plate (12) and the right side plate (13);
the lifting mechanism (3) comprises: two guide rods (31), a driving rod (32) arranged between the two guide rods (31) and a motor (33) linked with the driving rod (32), wherein the two guide rods (31) are fixedly arranged below the glass cover (2), gears (321) are arranged at two ends of the driving rod (32), racks (311) meshed with the gears (321) are formed on the guide rods (31), and the driving rod (32) drives the driving rod (31) to move up and down through meshing of the gears (321) and the racks (311).
2. The improved electric lifting showcase of claim 1, wherein: the glass cover (2) comprises: the glass cover comprises a bearing seat (21) and a glass cover body (22) above the fixed bearing seat (21), wherein the upper end of a guide rod (31) is fixed below the bearing seat (21).
3. The improved electric lifting showcase of claim 1, wherein: and a shaft sleeve or a flange plate is arranged between the guide rod (31) and the left side plate (12) and between the guide rod and the right side plate (13).
4. The improved electric lifting showcase of claim 1, wherein: the driving rod (32) is fixed in the left side plate (12) and the right side plate (13) through bearing blocks (36).
5. The improved electric lifting showcase of claim 1, wherein: the motors (33) in the lifting mechanisms (3) respectively positioned in the left side plate (12) and the right side plate (13) are connected to the same control unit.
6. The improved electric lifting showcase of any one of claims 1-5, wherein: the motor (33) is linked with the driving rod (32) through a worm and gear transmission mechanism.
7. The improved electric lifting showcase of claim 6, wherein: the output shaft of the motor (33) is linked with a worm (35), a turbine (34) meshed with the worm (35) is fixed on the driving rod (32), and the motor (33) drives the driving rod (32) to rotate through a turbine worm transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321439300.0U CN220212492U (en) | 2023-06-07 | 2023-06-07 | Improved electric lifting showcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321439300.0U CN220212492U (en) | 2023-06-07 | 2023-06-07 | Improved electric lifting showcase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220212492U true CN220212492U (en) | 2023-12-22 |
Family
ID=89173954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321439300.0U Active CN220212492U (en) | 2023-06-07 | 2023-06-07 | Improved electric lifting showcase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220212492U (en) |
-
2023
- 2023-06-07 CN CN202321439300.0U patent/CN220212492U/en active Active
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