阅读说明：本技术 一种防止外力破门的保护装置 (Protection device for preventing external force from breaking door ) 是由 朱涛 于 2020-06-22 设计创作，主要内容包括：一种防止外力破门的保护装置,包括安全门,所述安全门内腔中安装气囊,所述气囊左端面设有出气口,所述安全门中设有挤压弹簧,所述安全门中内腔上下壁面设有前后滑道,所述前后滑道中安装可前后滑动的移动门,所述安全门外侧后端面设有可前后移动的卡住槽,所述气囊受到挤压可将卡住槽向后运动推出,将本装置按照要求进行安装,本发明即可在外来人员对门撞击的过程中,利用外来人员对门的冲击力转换成动能,对装置进行蓄力,由于门能承受一定程度的冲击力,待蓄力结束后,或者外来人员还没有走,装置启动,从墙壁弹出木块对门进行加固,从而更好的保护家里和人员安全。(A protection device for preventing external force from breaking door comprises a safety door, an air bag is arranged in the inner cavity of the safety door, the left end face of the air bag is provided with an air outlet, the safety door is internally provided with an extrusion spring, the upper wall surface and the lower wall surface of an inner cavity in the safety door are provided with a front slideway and a rear slideway, a movable door capable of sliding back and forth is arranged in the front and back slide ways, a clamping groove capable of moving back and forth is arranged on the rear end surface of the outer side of the safety door, the air bag can push the clamping groove to move backwards under extrusion, and the device is installed according to requirements, so that the invention can convert the impact force of an external person on the door into kinetic energy in the process of impacting the door by the external person, the device is subjected to force accumulation, and because the door can bear impact force to a certain degree, after the force accumulation is finished, or external personnel do not walk, the device is started, and the wood block is popped out from the wall to reinforce the door, so that the safety of families and personnel is better protected.)

1. The utility model provides a prevent external force broken door's protection device, includes emergency exit, its characterized in that: an air bag is arranged in an inner cavity of the safety door, an air outlet is arranged on the left end face of the air bag, an extrusion spring is arranged in the safety door, a front slideway and a rear slideway are arranged on the upper wall face and the lower wall face of the inner cavity of the safety door, a movable door capable of sliding back and forth is arranged in the front slideway and the rear slideway, a clamping groove capable of moving back and forth is arranged on the rear end face of the outer side of the safety door, the air bag can push out the clamping groove by extrusion in a backward motion manner, a power chamber is arranged in a wall on the left side of the safety door, a transmission device is arranged in the power chamber, a working chamber is arranged on the rear side of the power chamber, the transmission device can transmit kinetic energy generated by the air bag to the working chamber through a transmission device, a bracket is fixedly arranged at the bottom of the, the upper end face of the right-angle stand is provided with a sliding groove, the front end face and the rear end face of an inner cavity of the sliding groove are provided with slideways, a tripod is arranged in the sliding groove, the bottom of the tripod is rotatably provided with a sliding shaft, the sliding shaft is slidably arranged in the slideways, an expansion spring is arranged in the slideways, the left end face of the expansion spring is connected with the left end face of the inner cavity of the slideway, the right end face of the expansion spring is contacted with the sliding shaft, the left end face of the bottom of the tripod is rotatably connected with a roller through hinging, the roller is in meshing transmission with the semicircular gear, the rear end face of the tripod is fixedly provided with a blocking block, the upper end face of the tripod is rotatably provided with a supporting frame through hinging, the right end face of the tripod is fixedly provided with a propping rod, ratchet both sides with fixed mounting reset spring between the wall around the recess inner chamber, the rotatory installation connecting axle of working chamber inner chamber front side, connecting axle rear end face fixed mounting connecting axle, be equipped with the base on the rim plate, connect the movable block through articulated on the base, the power house upside is equipped with the storage chamber, the connecting axle extends to in the storage chamber, terminal surface installation rotating gear before the connecting axle, the terminal surface is equipped with the horizontal slip before the storage chamber inner chamber, but install horizontal slip's billet in the horizontal slip, rotating gear with the billet passes through splined connection, rotating gear rotates and to drive the billet and removes, be equipped with in the working chamber and stir the function.

2. The protection device for preventing an external force from breaking the door according to claim 1, wherein: the four extrusion springs are respectively positioned at four corners of the safety door.

3. The protection device for preventing an external force from breaking the door according to claim 1, wherein: the transmission includes install the hydraulic pressure chamber at power house inner chamber right-hand member face, but install horizontal slip's hydraulic pressure board in the hydraulic pressure chamber inner chamber, the hydraulic pressure board left end face with fixed mounting hydraulic spring between the power house inner chamber left side wall, the hydraulic pressure chamber right-hand member face with the gas outlet is connected, can extrude the hydraulic pressure chamber with the gas in the gasbag in, wall fixed mounting has the driven shaft behind the power house, the terminal surface rotates before the driven shaft installs the transmission gear wheel, the transmission gear wheel through articulated with the hydraulic pressure board left end face is connected, it is equipped with the transmission shaft to survey the side under the driven shaft, the transmission shaft extends to in the working chamber, fixed mounting has the transmission pinion above the transmission shaft, the transmission pinion with the transmission gear wheel meshes the transmission mutually.

4. The protection device for preventing an external force from breaking the door according to claim 1, wherein: the poking function comprises a gear fixedly installed on the rear end face of the transmission shaft, an auxiliary shaft is installed on the rear end face of the poking function in a rotating mode, a cam is fixedly installed on the auxiliary shaft, an auxiliary gear is fixedly installed on the front end face of the auxiliary shaft, and the auxiliary gear is meshed with the gear.

5. The protection device for preventing an external force from breaking the door according to claim 1, wherein: the movable block arranged on the base can only rotate in a single direction.

Technical Field

The invention relates to the technical field of safety protection, in particular to a protection device for preventing an external force from breaking a door.

Background

In many families at home and abroad, especially in the foreign families, the security doors are rarely installed, and generally, the wood doors are adopted, so that a plurality of potential safety hazards exist, for example, the situation that the doors are stolen can occur in the families, or children in the families alone are unsafe at home, in this situation, a device is needed for reinforcing the doors, so that the safety and the personnel safety in the families are protected, and the invention is improved aiming at the problems.

Disclosure of Invention

The invention aims to provide a protection device for preventing an external force from breaking a door, and the protection device overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to a protection device for preventing an external force from breaking a door, which comprises a safety door, wherein an air bag is arranged in an inner cavity of the safety door, an air outlet is arranged on the left end surface of the air bag, an extrusion spring is arranged in the safety door, front and rear slideways are arranged on the upper and lower wall surfaces of the inner cavity of the safety door, a movable door capable of sliding back and forth is arranged in the front and rear slideways, a clamping groove capable of moving back and forth is arranged on the rear end surface of the outer side of the safety door, the air bag can push the clamping groove out by extrusion in a backward movement manner, a power chamber is arranged in the wall of the left side of the safety door, a transmission device is arranged in the power chamber, a working chamber is arranged on the rear side of the power chamber, the transmission device can transmit kinetic energy generated by the air bag to the working chamber through a, the semicircular gear is installed on the left end face of the right-angle stand, the upper end face of the right-angle stand is provided with a sliding groove, the front end face and the rear end face of an inner cavity of the sliding groove are provided with slideways, a tripod is arranged in the sliding groove, the bottom of the tripod is rotatably provided with a sliding shaft, the sliding shaft is slidably installed in the slideways, a telescopic spring is arranged in the slideway, the left end face of the telescopic spring is connected with the left end face of the inner cavity of the slideway, the right end face of the telescopic spring is contacted with the sliding shaft in a matching way, the left end face of the bottom of the tripod is connected with a roller through hinged rotation, the roller is in meshed transmission with the semicircular gear, the rear end face of the tripod is fixedly provided with a blocking block, the upper end face of the tripod is provided with a supporting frame through hinged rotation, fixed mounting ratchet in the axis of rotation, the ratchet both sides with fixed mounting reset spring between the wall around the recess inner chamber, the installation connecting axle is rotated to working chamber inner chamber front side, connecting axle rear end face fixed mounting connecting axle, be equipped with the base on the rim plate, connect the movable block through articulated on the base, the driver's cabin upside is equipped with the storage chamber, the connecting axle extends to in the storage chamber, end-face mounting rotating gear before the connecting axle, the terminal surface is equipped with the horizontal slip before the storage chamber inner chamber, but install horizontal slip's billet in the horizontal slip, rotating gear with the billet passes through splined connection, rotating gear rotates and to drive the billet and removes, be equipped with the function of stirring in the working chamber.

Furthermore, the four extrusion springs are respectively positioned at four corners of the safety door.

Further, transmission includes install the hydraulic pressure chamber at power house inner chamber right-hand member face, but install horizontal slip's hydraulic pressure board in the hydraulic pressure chamber inner chamber, hydraulic pressure board left end face with fixed mounting hydraulic spring between the power house inner chamber left side wall, hydraulic pressure chamber right-hand member face with the gas outlet is connected, can extrude the hydraulic pressure chamber with the gas in the gasbag in, wall fixed mounting has the driven shaft behind the power house, the terminal surface rotates before the driven shaft installs the transmission gear wheel, the transmission gear wheel through articulated with the hydraulic pressure board left end face is connected, it is equipped with the transmission shaft to survey the side under the driven shaft, the transmission shaft extends to in the working chamber, fixed mounting has the transmission pinion above the transmission shaft, the transmission pinion with the transmission gear wheel meshes the transmission mutually.

Further, the poking function comprises a gear fixedly installed on the rear end face of the transmission shaft, an auxiliary shaft is installed on the rear end face of the poking function in a rotating mode, a cam is fixedly installed on the auxiliary shaft, an auxiliary gear is fixedly installed on the front end face of the auxiliary shaft, and the auxiliary gear is meshed with the gear.

Furthermore, the movable block arranged on the base can only rotate in one direction.

The invention has the beneficial effects that: the device is installed as required, the impact force of the outside personnel on the door can be converted into kinetic energy in the process of impacting the door by the outside personnel, the device is stored, the device is started after the door can bear the impact force to a certain degree or the outside personnel do not walk, and the wood block is popped from the wall to reinforce the door, so that the safety of families and personnel is better protected.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1;

FIG. 4 is a schematic diagram of a front view of the power chamber of FIG. 1;

FIG. 5 is a schematic view of the structure at C-C in FIG. 2;

FIG. 6 is a schematic view of the structure at F-F in FIG. 5;

FIG. 7 is a schematic view of the structure of FIG. 1 at D-D;

FIG. 8 is a schematic view of the structure at E-E in FIG. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The protection device for preventing the door from being broken by the external force, which is described in conjunction with the attached drawings 1-8, comprises a safety door 10, wherein an air bag 12 is installed in an inner cavity of the safety door 10, an air outlet 53 is arranged on the left end face of the air bag 12, an extrusion spring 11 is arranged in the safety door 10, front and rear slideways 50 are arranged on the upper and lower wall faces of the inner cavity of the safety door 10, a movable door 21 capable of sliding back and forth is installed in the front and rear slideways 50, a clamping groove 23 capable of moving back and forth is arranged on the rear end face of the outer side of the safety door 10, the clamping groove 23 can be pushed out by the air bag 12 after being extruded, a power chamber 13 is arranged in the left side wall of the safety door 10, a transmission device 54 is arranged in the power chamber 13, a working chamber 46 is arranged on the rear side of the power chamber 13, the transmission device 54, the upper end face of the support 55 is fixedly provided with a right-angle stand 25, the transmission shaft 16 is fixedly provided with a semicircular gear 24, the semicircular gear 24 is arranged on the left end face of the right-angle stand 25, the upper end face of the right-angle stand 25 is provided with a sliding groove 40, the front end face and the rear end face of an inner cavity of the sliding groove 40 are provided with a slide way 38, a tripod 27 is arranged in the sliding groove 40, the bottom of the tripod 27 is rotatably provided with a sliding shaft 52, the sliding shaft 52 is slidably arranged in the slide way 38, the slide way 38 is internally provided with a telescopic spring 39, the left end face of the telescopic spring 39 is connected with the left end face of the inner cavity of the slide way 38, the right end face of the telescopic spring 39 is contacted with the sliding shaft 52, the left end face of the bottom of the tripod 27 is rotatably connected with a roller 26 through a hinge, the upper end face of the tripod 27 is hinged to rotate to install the supporting frame 28, the right end face of the tripod 27 is fixedly installed to support the rod 29, the right end face of the right-angle frame 25 is provided with a groove 34, the front wall face and the rear wall face of the inner cavity of the groove 34 are rotatably installed with a rotating shaft 36, the rotating shaft 36 is fixedly installed with a ratchet 30, reset springs 35 are fixedly installed between the two sides of the ratchet 30 and the front wall face and the rear wall face of the inner cavity of the groove 34, the front side of the inner cavity of the working cavity 46 is rotatably installed with a connecting shaft 31, the rear end face of the connecting shaft 31 is fixedly installed with a connecting shaft 31, the wheel disc 32 is provided with a base 37, the base 37 is connected with a movable block 33 through hinging, the upper side of the power chamber 13 is provided with a storage cavity 47, the connecting shaft 31 extends into the storage cavity 47, the front end face of the connecting shaft 31 is provided with, the rotating gear 48 is connected with the wood block 49 through a spline, the rotating gear 48 rotates to drive the wood block 49 to move, and a shifting function 56 is arranged in the working cavity 46.

Advantageously, the pressing spring 11 is provided with four springs respectively located at four corners of the safety door 10.

Advantageously, said transmission means 54 comprise said hydraulic chamber 17 mounted on the right end face of the internal chamber of the power chamber 13, a hydraulic plate 18 capable of sliding left and right is arranged in the inner cavity of the hydraulic cavity 17, a hydraulic spring 19 is fixedly arranged between the left end surface of the hydraulic plate 18 and the left wall surface of the inner cavity of the power chamber 13, the right end surface of the hydraulic cavity 17 is connected with the air outlet 53, the air in the air bag 12 can be extruded into a hydraulic cavity 17, a driven shaft 15 is fixedly arranged on the rear wall surface of the power chamber 13, a driving gearwheel 14 is rotatably arranged on the front end face of the driven shaft 15, the driving gearwheel 14 is connected with the left end face of the hydraulic plate 18 through a hinge joint, a transmission shaft 16 is arranged on the lower side of the driven shaft 15, the transmission shaft 16 extends into the working cavity 46, a driving small gear 22 is fixedly mounted on the driving shaft 16, and the driving small gear 22 is in meshed driving with the driving large gear 14.

Advantageously, the toggle function 56 comprises a gear 41 fixedly mounted on the rear end face of the transmission shaft 16, an auxiliary shaft 42 is rotatably mounted on the rear end face of the toggle function 56, a cam 44 is fixedly mounted on the auxiliary shaft 42, an auxiliary gear 43 is fixedly mounted on the front end face of the auxiliary shaft 42, and the auxiliary gear 43 is meshed with the gear 41.

Advantageously, the movable block 33 mounted on the base 37 can only rotate in one direction.

The working steps are as follows: when a foreign person collides the movable door 21, the movable door 21 moves backwards, the air bag 12 is extruded under the action of the safety door 10, and the clamping groove 23 is driven to move backwards, so that the air in the air bag 12 is driven to enter the hydraulic cavity 17 through the air outlet 53, the air presses the hydraulic plate 18 to move leftwards, the hydraulic plate 18 drives the hydraulic transmission rod 20 to move leftwards, so that the transmission gear 14 is driven to rotate, the transmission gear 14 drives the transmission pinion 22 to rotate, so that the transmission shaft 16 is driven, the transmission shaft 16 drives the semicircular gear 24 in the working cavity 46 to rotate, so that the roller 26 is driven to rotate, so that the triangular frame 27 is driven to move leftwards and rightwards repeatedly, meanwhile, the support frame 28 pushes the ratchet 30 to rotate, the ratchet 30 is forced by the reset spring 35 to store kinetic energy, after the rotation, the support rod 29 resists the ratchet 30 to rotate, and the transmission shaft 16 drives the gear, the gear 41 drives the auxiliary gear 43, the auxiliary gear 43 drives the cam 44 through the auxiliary shaft 42, after the force accumulation of the ratchet 30 is completed, the cam 44 pushes the blocking block 45, the blocking block 45 drives the tripod 27 to move towards, the propping rod 29 is separated from the ratchet 30, the ratchet 30 rotates around, the ratchet 30 drives the wheel disc 32 to rotate, the wheel disc 32 drives the rotating gear 48 to rotate through the connecting shaft 31, the rotating gear 48 drives the wood block 49 to move towards the right, the wood block 49 moves into the clamping groove 23, the door is reinforced, and the safety of a home and a person is protected.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.