Exhibition explanation device for exhibition hall

Abstract

The utility model provides an exhibit explanation device for an exhibition hall, and relates to the technical field of exhibit explanation instruments. The middle position of the top of the moving frame is fixedly connected with the bottom position of a lifting assembly frame, a threaded block is slidably connected to the inner position of the lifting assembly frame, the front end position of the threaded block is fixedly connected with the rear end position of a placing frame, the placing frame is located above the moving frame, and a fan is arranged above the rear end position of the placing frame; the fan is located above the threaded block, and an explanation table is placed at the front end of the interior of the placement frame. The fan is arranged behind the explaining table, and after the fan is started, hot air dissipated from the interior of the heat dissipation groove of the explaining table is extracted through the fan, so that the temperature in the explaining table is reduced, and the service life of elements in the explaining table is prolonged. The problems that when an existing exhibit explanation device is normally used, heat is generated in the exhibit explanation device, overheated temperature is not discharged in time, and components are prone to being damaged are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of exhibit explanation equipment, and more specifically, particularly relates to an exhibit explanation device for exhibition halls. Background Art

[0002] Science and technology museums mainly provide popular science education to the public through permanent and short-term exhibitions, participatory, experiential, interactive exhibits and auxiliary display methods, with the aim of stimulating interest in science and enlightening scientific concepts. Explanation devices are installed near the exhibits to enhance the public's understanding of the exhibits.

[0003] The patent document with application number 202022518280.9 discloses an automatic explanation device for exhibits in a science and technology museum, which includes a base, a shock absorber is fixedly connected to the top of the base, a shock absorber is fixedly connected to the top of the shock absorber, and a first groove is provided on the opposite surface of the shock absorber plate and the base. Its beneficial effect is that the automatic explanation device for exhibits in the science and technology museum can drive the threaded column to rotate through the operation of the second motor, and then the threaded sleeve can drive the lifting plate to move up and down, so as to achieve the purpose of driving the display screen to move up and down, and then the display screen can be used and put away for protection, so as to avoid the display screen being exposed to the outside for a long time and being covered with dust and damaged. The device adopts the cooperation between various structures to achieve the purpose of rotating the exhibits and playing the exhibit information by voice and text, and at the same time, it realizes the adjustment of the display height and orientation.

[0004] Based on the search of the above patents and the application of the existing exhibit explanation devices for exhibition halls, it is understood that the current exhibit explanation devices will generate heat inside during normal use. If the overheated temperature is not discharged in time, it is easy to damage the components. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an exhibit explanation device for an exhibition hall, so as to solve the problem that the existing exhibit explanation device will generate heat inside during normal use, and the overheated temperature is not discharged in time, which may easily damage components.

[0006] The purpose and effect of the exhibition hall exhibit explanation device of the utility model are achieved by the following specific technical means:

[0007] An exhibit explanation device for an exhibition hall, comprising a mobile rack; the mobile rack is designed in a U shape, and the middle position at the top of the mobile rack is fixedly connected to the bottom position of the lifting group rack. A threaded block is slidably connected inside the lifting group rack, and the front end position of the threaded block is fixedly connected to the rear end position of the placement rack. The placement rack is located above the mobile rack. A fan is arranged above the rear end of the placement rack, and the fan is located above the threaded block. An explanation platform is placed at the front end inside the placement rack, and a through heat dissipation groove is opened at the middle and lower position of the explanation platform. The fan is located behind the explanation platform.

[0008] According to an embodiment of the present invention, four mobile wheels are arranged at the bottom position of the mobile rack, and an extension plate is fixedly connected to each of the left and right sides at the rear end of the lifting group rack. The motor is fixedly connected to the left extension plate.

[0009] According to an embodiment of the present invention, a worm is rotatably connected at the middle position between the two extension plates, and the left side position of the worm is fixedly connected to the rotating shaft of the motor.

[0010] According to an embodiment of the present invention, a positioning bolt is rotatably connected to the middle position at the rear end of each of the two extension plates, and the front end positions of the two positioning bolts are respectively in contact with the two side positions of the worm.

[0011] According to an embodiment of the present invention, a threaded rod is rotatably connected to the middle position inside the lifting group rack. The threaded rod is located at the middle position of the threaded block, and the bottom position of the threaded rod is fixedly connected to the top position of the worm gear. The worm gear is meshed with the worm at the middle position.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] Combined with the fact that the fan is located behind the explanation platform, after the fan is started, the hot air dissipated outside the heat dissipation groove inside the explanation platform will be drawn away by the fan, reducing the temperature inside the explanation platform and improving the service life of the components inside the explanation platform.

[0014] After starting the motor, the rotating shaft of the motor will drive the worm to rotate. Through the meshing transmission between the worm and the worm gear, the threaded rod will rotate following the worm gear. At this time, combined with the meshing transmission between the threaded rod and the threaded block, the threaded block slides inside the lifting group rack, and the placement rack can drive the explanation platform to adjust the height. Since the worm and the worm gear control the rotation of the threaded rod, the threaded rod will not rotate even if it is subjected to an external force.

[0015] After respectively rotating the two positioning bolts, the front end positions of the two positioning bolts are respectively in contact with the two side positions of the worm, limiting the worm to prevent it from idling. Description of the Drawings

[0016] Figure 1The utility model is a main structural diagram of an exhibit explanation device.

[0017] Figure 2 The utility model is a schematic diagram of the top view of the structure of the exhibit explanation device.

[0018] Figure 3 It is a left-side structural schematic diagram of the exhibit explanation device of the utility model.

[0019] Figure 4 The utility model is a schematic diagram of the side structure of the exhibit explanation device.

[0020] Figure 5 The utility model is a schematic diagram of the rear side structure of the exhibit explanation device.

[0021] Figure 6 The utility model Figure 5 Schematic diagram of the local enlarged structure at point A in the middle.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Mobile rack; 101. Mobile wheel; 102. Lifting assembly rack; 103. Threaded rod; 104. Extension plate; 105. Positioning bolt; 106. Motor; 107. Worm; 108. Worm wheel; 2. Placement rack; 201. Fan; 202. Threaded block; 3. Explanation stand. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Unless otherwise defined, technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which this utility model pertains. The words such as "a", "an" or "the" used in the description and claims of this utility model patent application do not denote a limitation in quantity, but rather mean that there is at least one. Words such as "comprising" or "including" mean that the elements or objects appearing before this word cover the elements or objects enumerated after this word and their equivalents. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0026] The following further describes in detail the embodiments of this utility model in conjunction with the accompanying drawings and examples.

[0027] Embodiment 1:

[0028] As shown in the Figure 1 to Figure 6 accompanying drawings:

[0029] This utility model provides an exhibit explanation device for exhibition halls, including a mobile rack 1; the mobile rack 1 is designed in a U shape, and the middle position at the top of the mobile rack 1 is fixedly connected to the bottom position of the lifting group rack 102. A threaded block 202 is slidably connected inside the lifting group rack 102. The front end position of the threaded block 202 is fixedly connected to the rear end position of the placement rack 2. The placement rack 2 is located above the mobile rack 1. A fan 201 is provided above the rear end of the placement rack 2. The fan 201 is located above the threaded block 202. An explanation platform 3 is placed at the front end inside the placement rack 2. A through heat dissipation slot is opened at the middle and lower position of the explanation platform 3. The fan 201 is located behind the explanation platform 3.

[0030] Among them, four moving wheels 101 are arranged at the bottom of the moving frame 1, and the moving frame 1 is moved by the four moving wheels 101 arranged at the bottom. An extension plate 104 is fixedly connected to the left and right sides of the rear end of the lifting group frame 102, and the left extension plate 104 is fixedly connected to the motor 106. A worm 107 is rotatably connected to the middle position of the two extension plates 104. The left position of the worm 107 is fixedly connected to the rotating shaft of the motor 106. A positioning bolt 105 is rotatably connected to the middle position of the rear end of the two extension plates 104. The front end position of the positioning bolt 105 is respectively matched with the positions on both sides of the worm 107, and the threaded rod 103 is rotatably connected to the internal middle position of the lifting assembly frame 102. The threaded rod 103 is located in the middle position of the threaded block 202, and the bottom position of the threaded rod 103 is fixedly connected to the top position of the worm wheel 108. The worm wheel 108 is meshed with the middle position of the worm 107. After the two positioning bolts 105 are rotated respectively, the front end positions of the two positioning bolts 105 are respectively matched with the positions on both sides of the worm 107, so as to limit the worm 107 and prevent the worm 107 from idling.

[0031] When using:

[0032] In combination with the fan 201 being located at the rear of the explanation platform 3, after the fan 201 is started, the heat dissipated from the heat dissipation slot of the explanation platform 3 will be drawn away by the fan 201, thereby reducing the temperature inside the explanation platform 3 and increasing the service life of the internal components of the explanation platform 3.

[0033] Embodiment 2:

[0034] After starting the motor 106, the rotating shaft of the motor 106 will drive the worm 107 to rotate. Through the meshing transmission of the worm 107 and the worm wheel 108, the threaded rod 103 rotates following the worm wheel 108. At this time, combined with the meshing transmission of the threaded rod 103 and the threaded block 202, the threaded block 202 slides in the internal position of the lifting assembly frame 102, and the placement frame 2 can drive the explanation platform 3 to adjust the height. Since the worm 107 and the worm wheel 108 control the rotation of the threaded rod 103, the threaded rod 103 will not rotate even if it is subjected to external force.

[0035] Although the present application has been described with reference to the above-mentioned embodiments, it will be appreciated by those skilled in the art that various changes may be made without departing from the concept and scope of the present application as defined by the appended claims. Although this specification contains many specific implementation details, these should not be interpreted as limitations on the scope of the present application, but as descriptions of features directed to specific embodiments. The scope of the present application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. An exhibit explanation device for an exhibition hall, characterized in that: It includes a moving frame (1); the moving frame (1) is designed in a U shape, and the middle position at the top of the moving frame (1) is fixedly connected to the bottom position of the lifting group frame (102). A threaded block (202) is slidably connected inside the lifting group frame (102). The front end position of the threaded block (202) is fixedly connected to the rear end position of the placement frame (2). The placement frame (2) is located above the moving frame (1). A fan (201) is arranged above the rear end of the placement frame (2). The fan (201) is located above the threaded block (202). An explanation table (3) is placed at the front end inside the placement frame (2). A through heat dissipation slot is opened at the middle and lower position of the explanation table (3). The fan (201) is located behind the explanation table (3).

2. The device for explaining exhibits in an exhibition hall as claimed in claim 1, characterized in that: Four moving wheels (101) are arranged at the bottom position of the moving frame (1). An extension plate (104) is fixedly connected to each of the left and right sides at the rear end of the lifting group frame (102). A motor (106) is fixedly connected to the left extension plate (104).

3. The device for explaining exhibits in an exhibition hall as claimed in claim 2, characterized in that: A worm (107) is rotatably connected at the middle position between the two extension plates (104). The left side position of the worm (107) is fixedly connected to the rotating shaft of the motor (106).

4. The device for explaining exhibits in an exhibition hall as claimed in claim 3, characterized in that: A positioning bolt (105) is rotatably connected to the middle position at the rear end of each of the two extension plates (104). The front end positions of the two positioning bolts (105) are respectively in contact with the two side positions of the worm (107).

5. The device for explaining exhibits in an exhibition hall as claimed in claim 1, characterized in that: A threaded rod (103) is rotatably connected to the middle position inside the lifting group frame (102). The threaded rod (103) is located at the middle position of the threaded block (202). The bottom position of the threaded rod (103) is fixedly connected to the top position of a worm gear (108). The worm gear (108) is meshed with the worm (107) at the middle position.

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