Door lock structure of medical airtight door

Abstract

The utility model relates to the field of medical air-tight doors, discloses a door lock structure of a medical air-tight door, and solves the problem that a bolt of an existing door lock structure of the medical air-tight door is poor in anti-falling effect. The screw can be inserted into the screw hole in the surface of the base plate by screwing the nut at the top end of the screw, firm fixation of the base plate and the lock shell is ensured, and the problem that the handle is likely to loosen and fall off after being used for a long time is effectively solved through the design. After the screw is in threaded connection with the screw hole, the two sets of screw blocks arranged in the notches are pulled out, the pulling force generated by the first magnet block and the second magnet block in the prior art is released, the compressed spring rebounds, the trapezoidal limiting blocks are driven to move in the groove, the pull wire resets accordingly, the two sets of limiting blocks clamp the screw, and good use experience is kept; the potential safety hazard is reduced, and the use safety of the door lock is obviously improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical airtight doors, in particular to a door lock structure of a medical airtight door. Background Art

[0002] As an important isolation device in the medical environment, the design and technical requirements of the door lock structure of the medical airtight door are significantly different from those of ordinary door locks. The door lock structure of the medical airtight door not only needs to have the safety, stability and durability of a traditional door lock, but also needs to meet the special requirements of the medical environment for airtightness, antibacterial and dustproof. During the operation of an existing door lock structure of a medical airtight door, the bolts may loosen or fall off after long-term use or external force, causing the handle driven by the door lock to loosen or fall off completely. This will not only affect the normal use of the door, but may also cause safety hazards in emergency situations, such as the inability to close or open the door in time. Utility Model Content

[0003] The purpose of the utility model is to provide a door lock structure for a medical airtight door. The device is used to work, thereby solving the problem of poor bolt anti-loosening effect in the door lock structure of the existing medical airtight door.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a door lock structure for a medical airtight door, comprising a housing, a backing plate arranged on one side of the housing, a handle arranged on one side of the backing plate, a lock housing arranged on the other side of the backing plate, a lock core movably connected to one side of the lock housing, a screw hole provided on a surface of the backing plate, a screw threadedly connected to the inside of the screw hole, a nut provided on one side of the screw, and an anti-slip structure provided on one side of the backing plate;

[0005] The anti-slip structure comprises a circular plate arranged on one side of the pad, a groove opened inside the circular plate, a spring arranged inside the groove, and a limiting block arranged at one end of the spring.

[0006] Furthermore, the limiting blocks are trapezoidal in shape, and two groups of limiting blocks are symmetrically arranged about the longitudinal center axis of the circular plate, and the distance between the two groups of limiting blocks is smaller than the diameter of the screw.

[0007] Furthermore, one end of the spring is connected to the inner wall of the groove.

[0008] Furthermore, a nail block is provided at one end of the pull wire, and a magnet block 1 is provided at one end of the nail block.

[0009] Furthermore, a notch is provided on the surface of the circular plate, and a second magnet block is provided inside the notch. The second magnet block and the first magnet block attract each other with opposite poles.

[0010] Furthermore, a pull wire is provided at one end of the limit block, and the pull wire passes through a wire groove provided on the surface of the circular plate.

[0011] Furthermore, a cleaning structure is provided on the inner side of the pad, and the cleaning structure includes a tension spring provided on the inner side of the pad.

[0012] Furthermore, the tension springs are arranged in multiple groups at equal intervals, and a cleaning brush is provided at one end of the multiple groups of tension springs. The cleaning brush is arc-shaped and is used to clean dust on the thread when the screw knob is turned.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] The present invention proposes a door lock structure for a medical airtight door. The existing door lock structure for medical airtight doors has a poor anti-slip effect on the bolts. The present invention, through a circular plate, a groove, a limit block, a spring, a pull wire, a nail block, a magnet block 1, a notch, and a magnet block 2, can insert the screw into the screw hole on the surface of the pad through the nut on the top of the knob screw, ensuring that the pad and the lock shell are firmly fixed. This design effectively prevents the handle from loosening and falling off after long-term use. After completing the threaded connection between the screw and the screw hole, the two groups of nail blocks built into the notch are pulled out, releasing the tension previously generated by the magnet block 1 and the magnet block 2, allowing the compressed spring to rebound, driving the trapezoidal limit block to move in the groove, and the pull wire is then reset. The two groups of limit blocks clamp the screw, maintaining a good user experience, reducing safety hazards, and significantly improving the safety of the door lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional expanded structure of the pad, handle, bolt, screw hole, and anti-slip structure of the utility model;

[0017] Figure 3 It is a three-dimensional structural diagram of the anti-slip structure and the cleaning structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the anti-slip structure of the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the cleaning structure of the utility model.

[0020] In the figure: 1. Shell; 2. Pad; 3. Handle; 4. Screw; 5. Lock shell; 6. Lock core; 7. Nut; 8. Anti-slip structure; 81. Round plate; 82. Groove; 83. Limit block; 84. Spring; 88. Pull wire; 86. Nail block; 87. Magnet block 1; 88. Notch; 89. Magnet block 2; 9. Cleaning structure; 91. Tension spring; 92. Cleaning brush; 10. Screw hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0023] Combine Figure 1-Figure 5 A door lock structure for a medical airtight door includes a shell 1, a pad 2 arranged on one side of the shell 1, a handle 3 arranged on one side of the pad 2, a lock shell 5 arranged on the other side of the pad 2, a lock core 6 movably connected to one side of the lock shell 5, a screw hole 10 opened on the surface of the pad 2, a screw 4 threadedly connected to the inside of the screw hole 10, a nut 7 arranged on one side of the screw 4, and an anti-slip structure 8 arranged on one side of the pad 2.

[0024] The present invention will be further described below with reference to the embodiments.

[0025] Example 1:

[0026] See also Figure 1-Figure 5 The anti-slip structure 8 includes a circular plate 81 arranged on one side of the pad 2, a groove 82 provided inside the circular plate 81, a spring 84 provided inside the groove 82, and a limit block 83 provided at one end of the spring 84. The limit block 83 is trapezoidal, and two groups of limit blocks 83 are symmetrically arranged about the longitudinal center axis of the circular plate 81. The spacing between the two groups of limit blocks 83 is smaller than the diameter of the screw 4. One end of the spring 84 is connected to the inner wall of the groove 82, and one end of the pull wire 85 is provided with a nail block 86, and one end of the nail block 86 is provided with a magnet block 1 87. A notch 88 is provided on the surface of the circular plate 81, and a magnet block 2 89 is provided inside the notch 88. The magnet block 2 89 and the magnet block 1 87 are attracted to each other with opposite poles. A pull wire 85 is provided at one end of the limit block 83, and the pull wire 85 runs through the wire groove provided on the surface of the circular plate 81 to maintain normal use experience and reduce safety hazards.

[0027] A cleaning structure 9 is provided on the inner side of the pad 2. The cleaning structure 9 includes a tension spring 91 provided on the inner side of the pad 2. Multiple groups of tension springs 91 are provided at equal intervals. A cleaning brush 92 is provided at one end of the multiple groups of tension springs 91. The cleaning brush 92 is arc-shaped. The cleaning brush 92 is used to clean dust on the thread of the screw 4 when the knob is turned to avoid corrosion.

[0028] Specifically, the nut 7 at the top of the knob screw 4 is turned, and the screw 4 is then inserted into the screw hole 10 opened on the surface of the backing plate 2, and the backing plate 2 is fixed to the lock shell 5 to prevent the handle 3 from loosening and falling off after long-term use. When the screw 4 is threadedly connected to the screw hole 10, the two sets of nail blocks 86 are pulled out from the inside of the slot 88, so that the magnet block 1 87 at the bottom of the two sets of nail blocks 86 is separated from the magnet block 2 89 inside the slot 88, so that the compressed and stored spring 84 rebounds after having no pulling force and drives the limit block 83 to move inside the groove 82, and the pull wire 85 is reset. The limit block 83 is trapezoidal, and the two sets of limit blocks 83 clamp the screw 4. The two sets of limit blocks 8 One end of 3 is stuck with the thread on the surface of the screw 4, so that the screw 4 is limited, which improves stability and avoids the problem of the screw 4 falling off when the handle 3 is pulled for a long time. It reduces the change of the position of the handle 3, maintains a normal use experience, reduces safety hazards, and improves the safety of door lock use. When there is no need to limit the screw 4, the nail block 86 is inserted into the inside of the slot 88, and the magnet block 1 87 and the magnet block 2 89 at one end of the nail block 86 are attracted and fixed with opposite poles. When the nut 7 is turned, the screw 4 is driven to rotate, so that the arc-shaped cleaning brush 92 connected to the tension spring 91 arranged on the inner side of the circular plate 81 cleans the dust on the thread of the screw 4 to avoid corrosion.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door lock structure for a medical airtight door, comprising a housing (1), a backing plate (2) arranged on one side of the housing (1), a handle (3) arranged on one side of the backing plate (2), a lock housing (5) arranged on the other side of the backing plate (2), a lock core (6) movably connected to one side of the lock housing (5), a screw hole (10) provided on the surface of the backing plate (2), a screw (4) threadedly connected to the inside of the screw hole (10), and a nut (7) provided on one side of the screw (4), characterized in that: An anti-slip structure (8) is provided on one side of the pad (2); The anti-slip structure (8) includes a circular plate (81) arranged on one side of the backing plate (2), a groove (82) provided inside the circular plate (81), a spring (84) arranged inside the groove (82), and a limit block (83) arranged at one end of the spring (84), wherein the limit block (83) is trapezoidal; One end of the limit block (83) is provided with a pull wire (85), and the pull wire (85) passes through a wire groove provided on the surface of the circular plate (81). One end of the pull wire (85) is provided with a nail block (86), and one end of the nail block (86) is provided with a magnet block 1 (87). A notch (88) is provided on the surface of the circular plate (81), and a magnet block 2 (89) is provided inside the notch (88). The magnet block 2 (89) and the magnet block 1 (87) are attracted to each other with opposite poles.

2. The door lock structure of a medical airtight door according to claim 1, characterized in that: The limiting blocks (83) are trapezoidal in shape, and two groups of limiting blocks (83) are symmetrically arranged about the longitudinal center axis of the circular plate (81), and the distance between the two groups of limiting blocks (83) is smaller than the diameter of the screw (4).

3. The door lock structure of a medical airtight door according to claim 1, characterized in that: One end of the spring (84) is connected to the inner wall of the groove (82).

4. The door lock structure of a medical airtight door according to claim 1, characterized in that: A cleaning structure (9) is provided on the inner side of the backing plate (2), and the cleaning structure (9) comprises a tension spring (91) provided on the inner side of the backing plate (2).

5. The door lock structure of a medical airtight door according to claim 4, characterized in that: The tension springs (91) are arranged in multiple groups at equal intervals. A cleaning brush (92) is provided at one end of each of the multiple tension springs (91). The cleaning brush (92) is arc-shaped and is used to clean dust on the threads of the screw (4) when the screw (4) is turned.

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