Lifting structure of closed beam

Abstract

The utility model discloses a lifting structure of a closed beam, which belongs to the field of protective closed doors and comprises a fixing plate, a lifting device fixedly mounted on the front side of the fixing plate, sliders mounted on the inner side of the lifting device, a support plate fixedly mounted between the two sliders, and a mounting plate mounted on the front side of the support plate through two electric telescopic rods. The moving device is arranged, the moving device works to enable the sliding blocks to move, the supporting plate to move, the closed beam moves to the lower portion, the electric telescopic rods move, the closed beam moves, the rubber layer is arranged on the lower portion of the outer end of the closed beam, the rubber layer is arranged on the lower portion of the outer end of the closed beam, and the sliding rods are arranged at the two ends of the supporting plate in a sliding mode. The rubber layer is tightly attached to the protective air-tight door, on one hand, the sealing effect is achieved, on the other hand, the supporting effect on the protective air-tight door is achieved, and secondary protection is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective airtight door, especially to a lifting structure of airtight beam. BACKGROUND

[0002] The protective airtight door is arranged at the outermost side of the entrance and exit, has two functions of blocking shock wave and isolating toxic agent, and should be able to block the shock wave and meet the corresponding resistance requirements.

[0003] In order to resist the shock wave, the lower part of the protective airtight door may leak in the actual use process, especially in the waterlogged condition, and the external pressure is too large, so that the protective airtight door cannot play a protective role, therefore, the airtight beam is installed at the lower part of the protective airtight door, and the airtight beam can play a secondary protection role on the protective airtight door to avoid leakage caused by large pressure. UTILITY MODEL CONTENT

[0004] The utility model discloses a lifting structure of airtight beam.

[0005] Technical scheme: including fixed plate, fixed plate front side fixed installation has lifting device, lifting device inboard installs sliding block, two sliding blocks between fixed installation has support plate, support plate front side installs mounting plate through two electric telescopic link, mounting plate outboard fixed installation has airtight beam, airtight beam outer end lower part installs rubber layer, support plate both ends sliding installation has slide rod, rubber layer passes through bolt connection mode, fixed installation is in the lower part of airtight beam outer end.

[0006] Through adopting the above technical scheme, the moving device is arranged, the moving device works, the sliding block moves, the support plate moves, the airtight beam moves to the lower part is completed, the electric telescopic link moves, the airtight beam moves, the rubber layer is close to the protective airtight door, plays a sealing role on one hand, and plays a supporting role on the protective airtight door on the other hand, and realizes secondary protection.

[0007] Optionally, the lifting device comprises a slide, a motor is fixedly installed above the slide, a rotating shaft of the motor is fixedly installed with a lead screw, a sliding block is installed on the outer side of the circumference of the lead screw, the sliding block is slidingly installed on the slide, and a heat dissipation channel is arranged on the outer side of the circumference of the motor, so that the contact area with air is increased, heat dissipation is accelerated, and the motor adopts a stepping motor.

[0008] Through adopting the above technical scheme, the motor rotates, the lead screw rotates, the lead screw is engaged with the sliding block, the sliding block slides up and down in the slide is realized, and the support plate is driven to lift.

[0009] Optionally, the upper part of the lead screw is rotatably installed in the inner side of the support base, the support base is fixedly installed in the upper part of the inner side of the slide, the lower part of the lead screw is fixedly installed with a rotating column, the rotating column is rotatably installed in a rotating base, the rotating base is fixedly installed in the lower end of the inner side of the slide, and the support base and the rotating base are fixedly connected to the upper part and the lower part of the inner side of the slide through bolt connection.

[0010] By adopting the above technical scheme, the upper part of the lead screw rotates in the support base, and the rotating column rotates in the rotating base, so that the upper part and the lower part of the lead screw are stably rotated.

[0011] Optionally, a connecting plate is installed between the two fixed plates and is fixedly installed between the two fixed plates through welding.

[0012] By adopting the above technical scheme, the connecting plate is used for connecting the fixed plates, so that the fixed plates are formed as a whole and are better fixed.

[0013] Optionally, a plurality of first fixing holes are arranged at the outer end of the fixed plate and are made through stamping.

[0014] By adopting the above technical scheme, bolts are installed in the first fixing holes, so that the fixed plate is fixed on the wall surface.

[0015] Optionally, a plurality of second fixing holes are arranged at the outer end of the connecting plate and are made through stamping.

[0016] By adopting the above technical scheme, bolts are installed in the second fixing holes, so that the connecting plate is fixed on the wall surface.

[0017] Optionally, a reinforcing plate is installed at the inner end of the electric telescopic rod, is fixedly installed on the other outer side of the mounting plate, and is fixedly installed on the other side of the mounting plate through welding.

[0018] By adopting the above technical scheme, the reinforcing plate is used for increasing the strength of the mounting plate and stabilizing the support.

[0019] Optionally, an upper fixing base is installed at the top of the slide rod, and a lower fixing base is installed at the bottom of the slide rod, and the upper fixing base and the lower fixing base are fixedly installed on the upper part of the wall surface and the ground through bolt connection.

[0020] By adopting the above technical scheme, the upper fixing base and the lower fixing base are used for maintaining the stable rotation of the slide rod.

[0021] Beneficial effects: the mobile device is arranged, the mobile device works, the sliding block moves, the support plate moves, the closed beam is moved to the lower part, the electric telescopic rod moves, the closed beam moves, the rubber layer is tightly attached to the protective closed door, plays a sealing role on one hand, and plays a supporting role on the protective closed door on the other hand, and realizes secondary protection. DRAWINGS

[0022] Fig. 1 is the overall structure diagram of the embodiment of the utility model;

[0023] Fig. 2 is the rear fixed structure diagram of the embodiment of the utility model;

[0024] Fig. 3 is the lifting device structure diagram of the embodiment of the utility model;

[0025] Fig. 4 is the support plate guide structure diagram of the embodiment of the utility model;

[0026] Fig. 5 is the closed beam structure diagram of the embodiment of the utility model;

[0027] Mark explanation: 1, fixed plate, 2, connecting plate, 3, lifting device, 301, slide, 302, motor, 303, screw, 304, sliding block, 305, rotating column, 306, rotating seat, 307, support seat, 4, slide rod, 5, support plate, 6, fixed hole one, 7, fixed hole two, 8, upper fixed seat, 9, lower fixed seat, 10, electric telescopic rod, 11, mounting plate, 12, reinforcing plate, 13, closed beam, 14, rubber layer. Specific implementation

[0028] In order to make the technical scheme of the application clearer, the application is further described in detail below in combination with the drawings and specific embodiments, such as Figs. 1 to 5 , including fixed plate 1, fixed plate 1 front side fixed installation has lifting device 3, lifting device 3 inboard installation has sliding block 304, two sliding blocks 304 between fixed installation has support plate 5, support plate 5 front side through two electric telescopic rod 10 installation has mounting plate 11, mounting plate 11 outboard fixed installation has closed beam 13, closed beam 13 outer end lower part installation has rubber layer 14, support plate 5 both ends sliding installation has slide rod 4, the utility model is provided with moving device 3, moving device 3 work, make sliding block 304 movement, make support plate 5 movement, complete closed beam 13 movement to lower part, electric telescopic rod 10 movement, make closed beam 13 movement, make rubber layer close tightly protective closed door, on the one hand play sealing effect, on the other hand to protective closed door play support effect, realize secondary protection.

[0029] Lifting device 3 includes slide 301, motor 302 is fixedly installed on the upper side of slide 301, the rotating shaft of motor 302 is fixedly installed with screw 303, and sliding block 304 is installed on the outer side of screw 303. Sliding block 304 is slidingly installed in slide 301. Motor 302 rotates to drive screw 303 to rotate. Screw 303 is engaged with sliding block 304 to realize the up-down sliding of sliding block 304 in slide 301, and drive support plate 5 to lift.

[0030] The upper part of the screw rod 303 is rotatably installed in the inner side of the supporting base 307, the supporting base 307 is fixedly installed in the upper part of the slide 301, the lower part of the screw rod 303 is fixedly installed with the rotating column 305, the rotating column 305 is rotatably installed in the rotating base 306, the rotating base 306 is fixedly installed in the lower end of the slide 301, the upper part of the screw rod 303 rotates in the supporting base 307, for keeping the upper part of the screw rod 303 stable rotation, the rotating column 305 rotates in the rotating base 306, for keeping the lower part of the screw rod 303 stable rotation.

[0031] The connecting plate 2 is installed between the two fixed plates 1, and is used to connect the fixed plates 1 to form a whole and be better fixed.

[0032] The outer end of the fixed plate 1 is provided with a plurality of fixed holes 6, bolts are installed in the fixed holes 6, and the fixed plate 1 is fixed on the wall surface.

[0033] The outer end of the connecting plate 2 is provided with a plurality of fixed holes 7, bolts are installed in the fixed holes 7, and the connecting plate 2 is fixed on the wall surface.

[0034] The inner end of the electric telescopic rod 10 is installed with the reinforcing plate 12, the reinforcing plate 12 is fixedly installed on the other outer side of the mounting plate 11, and the reinforcing plate 12 is used to increase the strength of the mounting plate 11 and make the support stable.

[0035] The top of the slide rod 4 is installed with the upper fixing base 8, the bottom of the slide rod 4 is installed with the lower fixing base 9, and the upper fixing base 8 and the lower fixing base 9 are used to maintain the stable work of the slide rod 4.

[0036] The implementation principle of the lifting structure of the closed beam is as follows: when the lifting structure of the closed beam is used, the control motor 302 is rotated to drive the screw rod 303 to rotate, the rotating column 305 at the lower part of the screw rod 303 rotates in the rotating base 306, the threaded part of the screw rod 303 is engaged with the rotating part of the sliding block 304, the sliding block 304 slides in the slide 301, the supporting plate 5 slides on the outer side of the slide rod 4 and is lowered, the closed beam 13 is lowered, the two electric telescopic rods 10 are controlled to move, the closed beam 13 is moved, and the rubber layer 14 is tightly pressed against the protective sealed door.

[0037] The above-described embodiments only express several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A lifting structure for a sealed beam, characterized in that: The device includes a fixed plate (1), a lifting device (3) is fixedly installed on the front side of the fixed plate (1), a slider (304) is installed on the inner side of the lifting device (3), a support plate (5) is fixedly installed between the two sliders (304), an installation plate (11) is installed on the front side of the support plate (5) through two electric telescopic rods (10), a sealing beam (13) is fixedly installed on the outer side of the installation plate (11), a rubber layer (14) is installed on the lower part of the outer end of the sealing beam (13), and sliding rods (4) are slidably installed at both ends of the support plate (5).

2. The lifting structure of a sealed beam according to claim 1, characterized in that: The lifting device (3) includes a slide rail (301), a motor (302) is fixedly installed above the slide rail (301), a lead screw (303) is fixedly installed on the rotating shaft of the motor (302), and a slider (304) is installed on the outer circumference of the lead screw (303). The slider (304) is slidably installed on the slide rail (301).

3. The lifting structure of a sealed beam according to claim 2, characterized in that: The upper part of the lead screw (303) is rotatably mounted on the inner side of the support base (307), the support base (307) is fixedly mounted on the upper part of the inner side of the slide rail (301), the lower part of the lead screw (303) is fixedly mounted with a rotating column (305), the rotating column (305) is rotatably mounted on a rotating seat (306), and the rotating seat (306) is fixedly mounted on the lower end of the inner side of the slide rail (301).

4. The lifting structure of a sealed beam according to claim 1, characterized in that: A connecting plate (2) is installed between the two fixing plates (1).

5. The lifting structure of a sealed beam according to claim 4, characterized in that: The outer end of the fixing plate (1) is provided with multiple fixing holes (6).

6. The lifting structure of a sealed beam according to claim 4, characterized in that: The outer end of the connecting plate (2) is provided with multiple fixing holes (7).

7. The lifting structure of a sealed beam according to claim 1, characterized in that: The electric telescopic rod (10) is equipped with a reinforcing plate (12) at its inner end, and the reinforcing plate (12) is fixedly installed on the other side of the mounting plate (11).

8. The lifting structure of a sealed beam according to claim 1, characterized in that: The top of the slide rod (4) is equipped with an upper fixed seat (8), and the bottom of the slide rod (4) is equipped with a lower fixed seat (9).

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