CN220815354U

CN220815354U - Civil air defense enclosed beam tilting mechanism

Info

Publication number: CN220815354U
Application number: CN202322265618.8U
Authority: CN
Inventors: 李严珍; 戚明杨; 戴震; 顾洲; 朱峰
Original assignee: Wuxi Civil Defense Protective Equipment Co ltd
Current assignee: Wuxi Civil Defense Protective Equipment Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-04-19
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a civil air defense closed beam turnover mechanism, which comprises a mounting frame, wherein the top of the mounting frame is fixedly connected with a door frame, one side of the door frame is hinged with the same closed door through a plurality of hinges, and the mounting frame is provided with a turnover mechanism; the utility model relates to the technical field of civil air defense closed beams, and discloses a turnover mechanism which comprises a containing groove arranged at the top of a mounting frame, wherein two symmetrically distributed supporting plates are fixedly connected to the inner wall of the bottom of the containing groove, the same turnover shaft is rotationally connected between the two supporting plates, a closed beam is fixedly sleeved on the turnover shaft, and a threshold is fixedly connected to the closed beam; this airtight roof beam tilting mechanism of people's air defense can accomodate it subaerial when need not to use the threshold through the tilting mechanism that sets up, and it is close the effect to erect laminating airtight door improvement again to overturn during the use, and the result of use is better, improves installation effectiveness simultaneously, labour saving and time saving.

Description

Civil air defense enclosed beam tilting mechanism

Technical Field

The utility model relates to the technical field of air defense closed beams, in particular to an air defense closed beam overturning mechanism.

Background

The civil air defense door is protective equipment in civil air defense engineering, and is a door of a civil air defense engineering entrance. The people's air defense door still can set up the threshold of certain height generally, and the people's air defense door just is as personnel's access & exit at ordinary times, in order not to influence personnel's access, generally can all set up the threshold of living in people's air defense door bottom, takes off the valve threshold at ordinary times and moves specific position and place, carries the valve threshold again and installs when using.

The utility model discloses a people's air defense enclosed beam tilting mechanism, including commutator, connect out axle, interior handle, outer handle, sleeve pipe, transmission shaft, bearing frame, crank, connecting rod, rocker and base, commutator one end is connected with interior handle, and the other end is connected with one and connects out the axle, connect out to be connected with an outer handle on the axle other end, connect out epaxial cover and be equipped with a sleeve pipe, still be equipped with a transmission shaft on the commutator, the transmission shaft passes through the bearing frame to be fixed on the commutator, still the cover is equipped with a crank on the transmission shaft, be connected with a connecting rod on the crank, be connected with a rocker on the connecting rod other end, be connected with a base on the rocker, the connecting rod both ends with the crank with the connecting piece of rocker is the round pin axle. The method has the characteristics of convenient and quick operation and low use cost, greatly improves the peace warfare conversion efficiency, shortens peace warfare conversion time, and can improve the bottom surface utilization rate of the civil air defense basement.

But this people's air defense enclosed beam has following not enough, and its equipment has the low characteristics of use cost, improves peace warfare conversion efficiency greatly, shortens peace warfare conversion time, but often because it is to take off the live threshold at ordinary times after moving to specific position and place, carries the valve threshold again and installs when using, and whole process is wasted time and energy, influences installation effectiveness.

Therefore, the utility model provides a civil air defense enclosed beam turnover mechanism to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a civil air defense closed beam overturning mechanism, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the turnover mechanism comprises a mounting frame, wherein the top of the mounting frame is fixedly connected with a door frame, one side of the door frame is hinged with the same airtight door through a plurality of hinges, and the mounting frame is provided with the turnover mechanism;

The turnover mechanism comprises a holding groove arranged at the top of an installation frame, two supporting plates which are symmetrically distributed are fixedly connected to the inner wall of the bottom of the holding groove, one turnover shaft is rotatably connected between the two supporting plates, a closed beam is fixedly sleeved on the turnover shaft, a threshold is fixedly connected to the closed beam, a turnover frame is fixedly sleeved on the turnover shaft, an arc toothed plate is fixedly connected to one side of the turnover frame, two auxiliary plates which are symmetrically distributed are fixedly connected to the inner wall of the bottom of the holding groove, one transmission rod is rotatably connected between the two auxiliary plates, a driving gear is fixedly sleeved on the transmission rod, and the driving gear is meshed with the arc toothed plate.

Preferably, be provided with drive assembly in the holding tank, drive assembly establishes the driven bevel gear on the transfer line including fixed cover, the bottom inner wall fixedly connected with first motor of holding tank, the output shaft fixedly connected with initiative bevel gear of first motor, initiative bevel gear and driven bevel gear meshing can conveniently control the transfer line through the drive assembly who sets up and rotate to realize laborsaving effect through the mode of pinion drive large wheel, reduce the load of first motor.

Preferably, one side fixedly connected with four fastening section of thick bamboo of closed beam, the bottom inner wall fixedly connected with of holding tank is fixed case, the top slip through connection of fixed case has two locking sleeve, locking sleeve's top slip extends to in the corresponding fastening section of thick bamboo, can conveniently fix the threshold after overturning through the fastening section of thick bamboo, fixed case and locking sleeve collocation use that set up, makes things convenient for its laminating to seal the door.

Preferably, the bottom inner wall rotation of fixed case is connected with two threaded rods, two in the top of threaded rod is the screw thread extension to corresponding locking sleeve respectively, conveniently controls locking sleeve through the threaded rod that sets up and rotates to make things convenient for it to go up and down.

Preferably, the fixed cover is equipped with the roller on the threaded rod, the bottom inner wall of fixed case rotates and is connected with the synchronizing lever, fixed cover is equipped with double round on the synchronizing lever, the winding has two belts on the double round, one side winding of belt is on corresponding roller, thereby can conveniently control two threaded rod synchronous rotation through roller, synchronizing lever, double round and the belt collocation use of setting and make locking sleeve can synchronous lift, conveniently fix the closed beam.

Preferably, the top inner wall fixedly connected with second motor of fixed case, the output shaft of second motor and the top fixed connection of synchronizing lever can conveniently control the synchronizing lever through the second motor that sets up and rotate, conveniently control.

Preferably, the bottom inner wall fixedly connected with dog of holding tank, the top fixedly connected with of dog is a plurality of cushions, uses through the dog and the cushion collocation that set up and can conveniently support the threshold after accomodating.

Preferably, the clamping blocks of two symmetrical distributions are fixedly connected with the outer wall of the locking sleeve, four sliding rods are fixedly connected with the inner wall of the bottom of the fixed box, the sliding rods penetrate through the corresponding clamping blocks in a sliding mode, limiting plates are fixedly sleeved on the sliding rods, and the locking sleeve can be limited through the arranged clamping blocks, the sliding rods and the limiting plates in a matched mode, so that the locking sleeve can move smoothly.

Advantageous effects

The utility model provides a turnover mechanism for a civil air defense closed beam. Compared with the prior art, the device has the following

The beneficial effects are that:

(1) This airtight roof beam tilting mechanism of people's air defense can accomodate it subaerial when need not to use the threshold through the tilting mechanism that sets up, and it is close the door with the laminating improvement effect that stands up again in the upset when using, excellent in use effect improves installation effectiveness simultaneously, labour saving and time saving.

(2) This airtight roof beam tilting mechanism of people's air defense can support fixedly the sealed roof beam after overturning through the fastening section of thick bamboo and the locking sleeve that set up to can make it remain upright shape throughout and make things convenient for with airtight door laminating, excellent in use effect.

Drawings

FIG. 1 is a perspective view showing an external structure of a threshold in a housed state according to the present utility model;

FIG. 2 is a schematic view of a partial side cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a partial front cross-sectional structure of the present utility model;

Fig. 4 is an assembly view of the connection of the locking sleeve of the present utility model inserted into a fastener cartridge.

In the figure: 1. a mounting frame; 2. a door frame; 3. a closed door; 4. a receiving groove; 5. a support plate; 6. a turnover shaft; 7. a closed beam; 8. a threshold; 9. a roll-over stand; 10. arc toothed plates; 11. an auxiliary plate; 12. a transmission rod; 13. a drive gear; 14. a driven bevel gear; 15. a first motor; 16. a driving bevel gear; 17. a fastening cylinder; 18. a fixed box; 19. a locking sleeve; 20. a threaded rod; 21. a roller blade; 22. a synchronizing lever; 23. double-row wheels; 24. a belt; 25. a second motor; 26. a stop block; 27. a soft cushion; 28. a clamping block; 29. a slide bar; 30. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1, 2 and 3, a turnover mechanism for a civil air defense closed beam comprises a mounting frame 1, wherein the top of the mounting frame 1 is fixedly connected with a door frame 2, one side of the door frame 2 is hinged with the same closed door 3 through a plurality of hinges, and the mounting frame 1 is provided with the turnover mechanism;

The turnover mechanism comprises a containing groove 4 arranged at the top of the mounting frame 1, two symmetrically-distributed supporting plates 5 are fixedly connected to the inner wall of the bottom of the containing groove 4, the same turnover shaft 6 is rotatably connected between the two supporting plates 5, a closed beam 7 is fixedly sleeved on the turnover shaft 6, a threshold 8 is fixedly connected to the closed beam 7, a turnover frame 9 is fixedly sleeved on the turnover shaft 6, an arc toothed plate 10 is fixedly connected to one side of the turnover frame 9, two symmetrically-distributed auxiliary plates 11 are fixedly connected to the inner wall of the bottom of the containing groove 4, one transmission rod 12 is rotatably connected between the two auxiliary plates 11, a driving gear 13 is fixedly sleeved on the transmission rod 12, and the driving gear 13 is meshed with the arc toothed plate 10; the accommodating groove 4 is internally provided with a driving assembly, the driving assembly comprises a driven bevel gear 14 fixedly sleeved on the transmission rod 12, the inner wall of the bottom of the accommodating groove 4 is fixedly connected with a first motor 15, an output shaft of the first motor 15 is fixedly connected with a driving bevel gear 16, and the driving bevel gear 16 is meshed with the driven bevel gear 14.

Embodiment two:

Referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: four fastening cylinders 17 are fixedly connected to one side of the closed beam 7, two fixing boxes 18 are fixedly connected to the inner wall of the bottom of the accommodating groove 4, two locking sleeves 19 are connected to the tops of the fixing boxes 18 in a sliding and penetrating mode, threaded surfaces are arranged in the locking sleeves 19, and the top ends of the locking sleeves 19 extend into the corresponding fastening cylinders 17 in a sliding mode; the bottom inner wall of the fixed box 18 is rotatably connected with two threaded rods 20, and the top ends of the two threaded rods 20 are respectively screwed into corresponding locking sleeves 19; the threaded rods 20 are fixedly sleeved with single-row wheels 21, the inner wall of the bottom of the fixed box 18 is rotationally connected with a synchronous rod 22, the synchronous rod 22 is fixedly sleeved with double-row wheels 23, two belts 24 are wound on the double-row wheels 23, and one side of each belt 24 is wound on the corresponding single-row wheel 21; the top inner wall of the fixed box 18 is fixedly connected with a second motor 25, and an output shaft of the second motor 25 is fixedly connected with the top end of the synchronizing rod 22; a stop block 26 is fixedly connected to the inner wall of the bottom of the accommodating groove 4, and a plurality of cushions 27 are fixedly connected to the top end of the stop block 26; the outer wall fixedly connected with two symmetrically distributed fixture blocks 28 of locking sleeve 19, the bottom inner wall fixedly connected with four slide bars 29 of fixed box 18, slide bar 29 slip runs through corresponding fixture block 28, and the fixed cover is equipped with limiting plate 30 on the slide bar 29.

And all that is not described in detail in this specification is well known to those skilled in the art.

Working principle: when the installation is carried out, the installation frame 1 is poured under the ground, the pedestrians pass through conveniently, the first motor 15 is started firstly, the driven bevel gear 14 meshed with the first motor 15 is driven to rotate by the driving bevel gear 16, the connected transmission rod 12 is driven to rotate by the driven bevel gear 14, the transmission rod 12 is driven to rotate by the driving gear 13, the arc toothed plate 10 drives the roll-over stand 9 to rotate, the roll-over stand 9 drives the roll-over stand 6 to rotate so that the doorsill 8 rotates along with the roll-over stand, the work load of the first motor 15 can be effectively reduced by the driving mode of the two small-wheel large wheels, the doorsill 8 is driven to rotate conveniently, after the doorsill 8 is erected, the two second motors 25 can be started, the two second motors 25 drive the double-row wheels 23 to rotate by the synchronous rod 22, the double-row wheels 23 pull the two single-row wheels 21 to rotate by the two belts 24, at the moment, the two doorsills 20 synchronously rotate, the threaded rod 20 drives the locking sleeve 19 in threaded connection with the threaded rod until the threaded rod is inserted into the fastening barrel 17, and the upstanding doorsill 8 is fixed firmly.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a closed roof beam tilting mechanism of people's air defense, includes installing frame (1), its characterized in that: the top of the mounting frame (1) is fixedly connected with a door frame (2), one side of the door frame (2) is hinged with the same airtight door (3) through a plurality of hinges, and the mounting frame (1) is provided with a turnover mechanism;

The utility model provides a tilting mechanism is including seting up holding tank (4) at installing frame (1) top, the bottom inner wall fixedly connected with of holding tank (4) two symmetric distribution's backup pad (5), two rotate between backup pad (5) and be connected with same upset axle (6), fixed cover is equipped with sealed roof beam (7) on upset axle (6), fixedly connected with threshold (8) on sealed roof beam (7), fixed cover is equipped with roll-over stand (9) on upset axle (6), one side fixedly connected with arc pinion rack (10) of roll-over stand (9), the bottom inner wall fixedly connected with of holding tank (4) two auxiliary plate (11) of symmetric distribution rotate between auxiliary plate (11) and are connected with same transfer line (12), fixed cover is equipped with driving gear (13) on transfer line (12), driving gear (13) and arc pinion rack (10) meshing.

2. The civil air defense closed beam turnover mechanism according to claim 1, wherein: be provided with drive assembly in holding tank (4), drive assembly establishes driven conical gear (14) on transfer line (12) including fixed cover, the bottom inner wall fixedly connected with first motor (15) of holding tank (4), the output shaft fixedly connected with initiative conical gear (16) of first motor (15), initiative conical gear (16) and driven conical gear (14) meshing.

3. The civil air defense closed beam turnover mechanism according to claim 1, wherein: four fastening barrels (17) are fixedly connected to one side of the closed beam (7), two fixing boxes (18) are fixedly connected to the inner wall of the bottom of the accommodating groove (4), two locking sleeves (19) are connected to the top of each fixing box (18) in a sliding and penetrating mode, and the top ends of the locking sleeves (19) extend into the corresponding fastening barrels (17) in a sliding mode.

4. A civil air defense closed beam turnover mechanism according to claim 3, characterized in that: the bottom inner wall of the fixed box (18) is rotatably connected with two threaded rods (20), and the top ends of the two threaded rods (20) are respectively in threaded extension to corresponding locking sleeves (19).

5. The civil air defense closed beam turnover mechanism of claim 4, wherein: the utility model discloses a roller clutch is characterized in that a single-row wheel (21) is fixedly sleeved on each threaded rod (20), a synchronizing rod (22) is rotatably connected to the inner wall of the bottom of a fixed box (18), a double-row wheel (23) is fixedly sleeved on each synchronizing rod (22), two belts (24) are wound on the double-row wheel (23), and one sides of the belts (24) are wound on the corresponding single-row wheels (21).

6. A civil air defense closed beam turnover mechanism according to claim 3, characterized in that: the top inner wall of the fixed box (18) is fixedly connected with a second motor (25), and an output shaft of the second motor (25) is fixedly connected with the top end of the synchronizing rod (22).

7. The civil air defense closed beam turnover mechanism according to claim 1, wherein: the bottom inner wall of holding tank (4) fixedly connected with dog (26), the top fixedly connected with of dog (26) is a plurality of cushions (27).

8. A civil air defense closed beam turnover mechanism according to claim 3, characterized in that: the outer wall fixedly connected with two symmetrically distributed fixture blocks (28) of locking sleeve (19), four slide bars (29) are fixedly connected with the bottom inner wall of fixed box (18), slide bars (29) slip run through corresponding fixture blocks (28), fixed cover is equipped with limiting plate (30) on slide bar (29).