Vacuum chamber with negative pressure door handle automatic reset door lock structure

Abstract

The utility model discloses a vacuum chamber with a negative pressure door handle automatic reset door lock structure, which relates to the field of door locks and comprises a protective shell, a rotating column is rotatably connected to the bottom end in the protective shell, a fixing mechanism is arranged on one side of the rotating column, and the top end of the rotating column extends out of the protective shell. An air pressure sensor and a pump body are fixed to the two sides of the protective shell correspondingly, the detection end of the air pressure sensor extends into the protective shell, when unlocking needs to be conducted, the electric push rod and the pump body can be started again, the electric push rod drives the adsorption disc to make contact with the connecting disc, the pump body can pump out air of the adsorption disc, negative pressure is formed, and unlocking is conducted. And when the electric push rod retracts, a sliding column can be driven to extend out of an insertion hole to complete unlocking work, and further, in the moving process of the adsorption disc, air and dust in the protection shell can be adsorbed, and the dust and the air can be discharged.

Description

Technical Field

[0001] The utility model relates to the field of door locks, in particular to a vacuum chamber with a negative pressure door handle automatic reset door lock structure. Background Art

[0002] With the continuous development of social economy, family safety has become increasingly concerned in people's lives. People have put forward higher requirements for the intelligent management of door locks. As the main component of the security system, the stability of the safety performance of smart door locks has attracted more and more attention and attention.

[0003] When the existing electronic lock or mechanical lock is in use, dust in the air will enter the lock core. Continuous use and rotation of the handle will cause dust to enter the rotating part, causing blockage problems.

[0004] Therefore, it is necessary to propose a vacuum chamber with a negative pressure door handle automatic reset door lock structure to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a vacuum chamber with a negative pressure door handle automatic reset door lock structure, so as to solve the problem that when the existing electronic lock or mechanical lock is in use, dust in the air will enter the lock core, and continuous use and rotation of the handle will cause dust to enter the rotation place, causing blockage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum chamber with a negative pressure door handle automatic reset door lock structure, comprising a protective shell, the bottom end of the protective shell is rotatably connected to a rotating column, a fixing mechanism is provided on one side of the rotating column, the top of the rotating column extends out of the protective shell, an air pressure sensor and a pump body are respectively fixed on both sides of the protective shell, the detection end of the air pressure sensor extends into the interior of the protective shell, a support block is provided between the fixing mechanism and the rotating column, a sliding column is slidably provided in the support block, a socket is provided on the side of the rotating column close to the sliding column, the end of the sliding column away from the rotating column is adsorbed and connected to the fixing mechanism, and the fixing mechanism and the support block are both provided inside the protective shell.

[0007] Preferably, the fixing mechanism comprises a fixing seat and an electric push rod, a side of the electric push rod close to the supporting block is connected to a suction plate, and a connecting pipe is provided between the inside of the suction plate and the pump body.

[0008] Preferably, the fixing seats are arranged on both sides of the bottom end of the electric push rod, and the two fixing seats are fixed to the bottom end inside the protective shell.

[0009] Preferably, a connecting disk is fixed to a side of the sliding column close to the adsorption disk, and an adsorption cavity is opened on a side of the adsorption disk close to the connecting disk.

[0010] Preferably, one end of the rotating column is inserted and connected with the socket, a through hole is opened on the protective shell for the rotating column to pass through, and a sealing gasket is arranged on the outer side of the rotating column, and the sealing gasket is installed at the bottom end of the through hole.

[0011] Preferably, a mounting hole is provided at the top end of the rotating column, and a handle is provided inside the mounting hole.

[0012] Technical effects and advantages of the utility model:

[0013] 1. In the actual operation of the utility model, when the electric push rod is started, the sliding column can be pushed to move by the adsorption plate until the sliding column is inserted into the socket, thereby completing the fixation of the rotating column and performing the locking work. When the sliding column is inserted into the socket, a part of the air inside the protective shell will be squeezed into the socket, and the air pressure change can be detected by the air pressure sensor. The air pressure sensor transmits the signal to the controller, and the controller can control the electric push rod to automatically retract and enter a dormant state.

[0014] 2. When unlocking is required, the electric push rod and the pump body can be started again. The electric push rod drives the adsorption plate and the connecting plate to come into contact. The pump body can extract the air from the adsorption plate to form a negative pressure, which can make the adsorption plate and the connecting plate be adsorbed and connected. When the electric push rod retracts, it can drive the sliding column to extend out of the socket to complete the unlocking work. Furthermore, when the adsorption plate is moving, it will also absorb the air and dust inside the protective shell and discharge the dust and air. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a vacuum chamber with a negative pressure door handle automatic reset door lock structure according to the utility model.

[0016] Figure 2 It is a structural schematic diagram of the connection plate and the mounting hole of the utility model.

[0017] In the figure: 1. Protective shell; 2. Pump body; 3. Air pressure sensor; 4. Rotating column; 5. Fixed seat; 6. Electric push rod; 7. Adsorption plate; 8. Connecting pipe; 9. Support block; 10. Sliding column; 11. Socket; 12. Connecting plate; 13. Mounting hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in 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.

[0019] The utility model provides Figure 1 - Figure 2 The vacuum chamber shown in the figure has a negative pressure door handle automatic reset door lock structure, including a protective shell 1, the bottom end of the protective shell 1 is rotatably connected to a rotating column 4, one side of the rotating column 4 is provided with a fixing mechanism, the top end of the rotating column 4 extends out of the protective shell 1, the top end of the rotating column 4 is provided with a mounting hole 13, and a handle is provided inside the mounting hole 13. When the handle is rotated, the rotating column 4 can be driven to rotate.

[0020] The air pressure sensor 3 and the pump body 2 are fixed on both sides of the protective shell 1, and the detection end of the air pressure sensor 3 extends into the interior of the protective shell 1. A support block 9 is provided between the fixing mechanism and the rotating column 4. A sliding column 10 is slidably provided in the support block 9. A plug hole 11 is provided on the side of the rotating column 4 close to the sliding column 10. The end of the sliding column 10 away from the rotating column 4 is adsorbed and connected with the fixing mechanism. The fixing mechanism and the support block 9 are both provided inside the protective shell 1. A controller is also provided inside the protective shell 1.

[0021] The fixing mechanism includes a fixing seat 5 and an electric push rod 6. A suction plate 7 is connected to one side of the electric push rod 6 near the support block 9. A connecting pipe 8 is provided between the inside of the suction plate 7 and the pump body 2. The fixing seat 5 is provided on both sides of the bottom end of the electric push rod 6. Both fixing seats 5 are fixed to the bottom end inside the protective shell 1. When the electric push rod 6 is started, the suction plate 7 can be driven to move.

[0022] In the actual operation of the utility model, when the electric push rod 6 is started, the sliding column 10 can be pushed to move by the adsorption plate 7 until the sliding column 10 is inserted into the socket 11, thereby completing the fixation of the rotating column 4 and performing the locking work. When the sliding column 10 is inserted into the socket 11, a part of the air inside the protective shell 1 will be squeezed into the socket 11, and the air pressure change can be detected by the air pressure sensor 3. The air pressure sensor 3 transmits the signal to the controller, and the controller can control the electric push rod 6 to automatically retract and enter a sleep state.

[0023] A connecting disk 12 is fixed to one side of the sliding column 10 close to the adsorption disk 7 , and an adsorption cavity is provided on one side of the adsorption disk 7 close to the connecting disk 12 . One end of the rotating column 4 is inserted and connected with the insertion hole 11 .

[0024] When unlocking is required, the electric push rod 6 and the pump body 2 can be started again. The electric push rod 6 drives the adsorption disk 7 and the connecting disk 12 to come into contact. The pump body 2 can extract the air from the adsorption disk 7 to form a negative pressure, so that the adsorption disk 7 and the connecting disk 12 can be adsorbed and connected. When the electric push rod 6 retracts, it can drive the sliding column 10 to extend out of the socket 11 to complete the unlocking work. Furthermore, when the adsorption disk 7 is moving, it will also adsorb the air and dust inside the protective shell 1 to discharge the dust and air.

[0025] The protective shell 1 is provided with a through opening for the rotating column 4 to pass through, and a sealing gasket is arranged on the outer side of the rotating column 4 and installed at the bottom end of the through opening.

Claims

1. A vacuum chamber with a negative pressure door handle automatic reset door lock structure, comprising a protective shell (1), characterized in that: The bottom end of the protective shell (1) is rotatably connected to a rotating column (4), one side of the rotating column (4) is provided with a fixing mechanism, the top end of the rotating column (4) extends out of the protective shell (1), the two sides of the protective shell (1) are respectively fixed with an air pressure sensor (3) and a pump body (2), the detection end of the air pressure sensor (3) extends into the interior of the protective shell (1), a support block (9) is provided between the fixing mechanism and the rotating column (4), a sliding column (10) is slidably provided in the support block (9), a plug hole (11) is provided on the side of the rotating column (4) close to the sliding column (10), the end of the sliding column (10) away from the rotating column (4) is adsorbed and connected to the fixing mechanism, and the fixing mechanism and the support block (9) are both arranged inside the protective shell (1).

2. The vacuum chamber with a negative pressure door handle automatic reset door lock structure according to claim 1, characterized in that: The fixing mechanism comprises a fixing seat (5) and an electric push rod (6); a side of the electric push rod (6) close to the support block (9) is connected to a suction plate (7); and a connecting pipe (8) is provided between the interior of the suction plate (7) and the pump body (2).

3. The vacuum chamber with a negative pressure door handle automatic reset door lock structure according to claim 2, characterized in that: The fixing seats (5) are arranged on both sides of the bottom end of the electric push rod (6), and the two fixing seats (5) are fixed to the bottom end inside the protective shell (1).

4. The vacuum chamber with a negative pressure door handle automatic reset door lock structure according to claim 2, characterized in that: A connecting disk (12) is fixed to the side of the sliding column (10) close to the adsorption disk (7), and an adsorption cavity is provided on the side of the adsorption disk (7) close to the connecting disk (12).

5. The vacuum chamber with a negative pressure door handle automatic reset door lock structure according to claim 1, characterized in that: One end of the rotating column (4) is inserted and connected with the insertion hole (11), and a through hole for the rotating column (4) to pass through is opened on the protective shell (1). A sealing gasket is arranged on the outer side of the rotating column (4), and the sealing gasket is installed at the bottom end of the through hole.

6. The vacuum chamber with a negative pressure door handle automatic reset door lock structure according to claim 1, characterized in that: A mounting hole (13) is provided at the top end of the rotating column (4), and a handle is provided inside the mounting hole (13).

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