Non-hole anti-theft installation electromagnetic lock

Abstract

The utility model relates to the technical field of electromagnetic locks, and discloses a holeless anti-theft installation electromagnetic lock which comprises a shell, a first cover plate and a second cover plate are arranged on the front face of the shell, a limiting mechanism is arranged on the back face of the first cover plate and the back face of the second cover plate, and the limiting mechanism comprises a fixing block, an L-shaped rod, a connecting rod and a sliding rod. The fixing block is fixedly installed on the back face of the second cover plate, a clamping groove is formed in the right side of the fixing block, one end of the L-shaped rod is inserted into the clamping groove, the other end of the L-shaped rod is fixedly connected to the bottom of the connecting rod, and the sliding rod is fixedly connected to one end of the connecting rod; by sliding the sliding block rightwards, the sliding block drives the sliding rod to move rightwards, the sliding rod drives the connecting rod to move rightwards, and the connecting rod drives the L-shaped rod to move rightwards to be separated from the clamping groove, so that the fixing block relieves limitation, the second sliding cover plate and the first sliding cover plate can slide downwards to open the shell, and the interior of the shell can be overhauled conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic locks, in particular to a hole-free anti-theft installation electromagnetic lock. Background Art

[0002] At present, the existing anti-theft doors in residential areas are all ordinary lock bodies or electromagnetic locks with holes for installation. The lock bodies of this structure expose the installation holes on the outside of the door and are easily unlocked by thieves.

[0003] According to a Chinese patent with the announcement number "CN206829829U", a non-hole anti-theft electromagnetic lock is disclosed, which includes a shell, a side wall of the shell is provided with a fireproof insulation layer, a buzzer and a switch are provided at the upper end of the side wall of the shell, a battery pack is provided at the right end, a wireless transmission module is provided at the upper end of the shell, and an MCU control module is provided inside the shell. The MCU control module is connected with the battery pack, the electric lock, the detection module, the vibrator, the buzzer, the switch, the wireless transmission module, and the GSM mobile phone card module respectively. The electromagnetic lock is arranged on the upper left side of the shell, the vibrator is arranged on the lower left side of the shell, and the detection module is arranged on the upper end of the vibrator and cooperates with the edge of the door frame. The beneficial effects of the utility model: the structure of non-hole installation is adopted, the anti-theft coefficient is improved, and the function of remote control and monitoring is provided at the same time. However, the above patent is inconvenient to open the shell, and the electronic components inside the shell are prone to failure, which makes it inconvenient for maintenance personnel to repair the electronic components inside the shell. Therefore, a non-hole anti-theft electromagnetic lock is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a hole-free anti-theft installation electromagnetic lock in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a hole-free anti-theft installation electromagnetic lock, including a shell, the front of the shell is provided with cover plate one and cover plate two, the back of cover plate one and cover plate two are provided with a limiting mechanism, the limiting mechanism includes a fixed block, an L-shaped rod, a connecting rod and a sliding rod, the fixed block is fixedly installed on the back of cover plate two, and a card slot is opened on the right side of the fixed block, one end of the L-shaped rod is inserted into the inside of the card slot, and the other end is fixedly connected to the bottom of the connecting rod, and the sliding rod is fixedly connected to one end of the connecting rod.

[0006] Preferably, a sliding hole is opened on the front side of the cover plate 1, the sliding rod passes through the sliding hole and is slidably connected to the sliding hole, the front end of the sliding rod is fixedly connected to a sliding block, and the sliding block is slidably connected to the front side of the cover plate 1, and the L-shaped rod can be driven to move in and out of the slot by setting the sliding block.

[0007] Preferably, a U-shaped rod is fixedly connected to the back side of the cover plate 1, and the U-shaped rod passes through the sliding rod and is slidably connected to the sliding rod. The sliding rod is provided with the U-shaped rod so as to enable the sliding rod to move stably left and right.

[0008] Preferably, the outer wall of the U-shaped rod is fixedly sleeved with a disc, the outer wall of the U-shaped rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the outer wall of the disc and the outer wall of the sliding rod, and the L-shaped rod can be driven to reset by setting the spring.

[0009] Preferably, the inner wall of the shell is provided with a slide groove 1 and a slide groove 2, and the interiors of the slide groove 1 and the slide groove 2 are respectively slidably connected with a limit block 1 and a limit block 2, and the limit block 1 is fixedly connected to the outer wall of the cover plate 2, and the limit block 2 is fixedly connected to the outer wall of the cover plate 1. By arranging the limit block 1 and the slide groove 1, the cover plate 2 can be prevented from falling, and the slide groove 2 and the limit block 2 can prevent the cover plate 1 from falling.

[0010] Preferably, an iron sheet is fixedly connected to the top of the second limit block, and a magnetic sheet is fixedly connected to the top of the inner wall of the second slide slot, and the iron sheet and the magnetic sheet can be arranged to attract and fix the cover plate one.

[0011] The utility model adopts the above technical solution, which can bring the following beneficial effects:

[0012] 1. The hole-free anti-theft electromagnetic lock is installed by sliding the slider to the right, so that the slider drives the slide bar to move right, the slide bar drives the connecting rod to move right, and the connecting rod drives the L-shaped rod to move right and out of the slot, so that the fixed block is released from the restriction, and the second slide cover plate and the first slide cover plate can be lowered to open the shell, so that the interior can be easily inspected.

[0013] 2. The hole-free anti-theft electromagnetic lock is installed. When the restrictions of cover plate 1 and cover plate 2 are released, cover plate 2 automatically slides down under its own gravity, and then slides up cover plate 1. Cover plate 1 drives limit block 2 to slide up in slide groove 2. Limit block 2 drives the iron sheet to contact the magnetic sheet, and the magnetic sheet and the iron sheet are attracted to fix cover plate 1, so there is no need to manually limit cover plate 1. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0016] Figure 3 It is a cross-sectional view of the utility model.

[0017] In the figure: 1. shell; 2. cover plate 1; 3. cover plate 2; 4. limit mechanism; 41. fixed block; 42. L-shaped rod; 43. connecting rod; 44. sliding rod; 45. sliding hole; 46. U-shaped rod; 47. spring; 48. disc; 49. slider; 5. slide groove 1; 6. limit block 1; 7. slide groove 2; 8. limit block 2; 9. iron sheet; 10. magnetic sheet. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0022] See also Figure 1-2An embodiment of the utility model is: a hole-free anti-theft installation electromagnetic lock, including a shell 1, a cover plate 2 and a cover plate 3 are arranged on the front of the shell 1, and a limit mechanism 4 is arranged on the back of the cover plate 2 and the cover plate 3, and the limit mechanism 4 includes a fixed block 41, an L-shaped rod 42, a connecting rod 43 and a sliding rod 44, the fixed block 41 is fixedly installed on the back of the cover plate 2 3, and a card slot is opened on the right side of the fixed block 41, one end of the L-shaped rod 42 is inserted into the inside of the card slot, and the other end is fixedly connected to the bottom of the connecting rod 43, the sliding rod 44 is fixedly connected to one end of the connecting rod 43, and a sliding hole 45 is opened on the front of the cover plate 2, and the sliding rod 44 passes through the sliding hole 45 and The sliding hole 45 is slidably connected, the front end of the sliding rod 44 is fixedly connected with a sliding block 49, and the sliding block 49 is slidably connected to the front side of the cover plate 2, and the L-shaped rod 42 can be driven to move in and out of the slot by setting the sliding block 49, and the back side of the cover plate 2 is fixedly connected with a U-shaped rod 46, and the U-shaped rod 46 penetrates the sliding rod 44 and is slidably connected to the sliding rod 44, and the sliding rod 44 is stably moved left and right by setting the U-shaped rod 46, and the outer wall of the U-shaped rod 46 is fixedly sleeved with a disc 48, and the outer wall of the U-shaped rod 46 is sleeved with a spring 47, and the two ends of the spring 47 are respectively fixedly connected to the outer wall of the disc 48 and the outer wall of the sliding rod 44, and the L-shaped rod 42 can be driven to reset by setting the spring 47.

[0023] Working principle: By sliding the slider 49 to the right, the slider 49 drives the slide bar 44 to move right, the slide bar 44 drives the connecting rod 43 to move right, and the connecting rod 43 drives the L-shaped rod 42 to move right and out of the slot, so that the fixed block 41 is released from the restriction, and the sliding cover plate 2 3 and the sliding cover plate 1 2 can be lowered to open the shell 1 for convenient inspection of the interior thereof, and the slider 49 is moved to the right, and then the cover plate 1 2 and the cover plate 2 3 are closed. At this time, one end of the L-shaped rod 42 is aligned with the slot, and the slider 49 is released, so that the L-shaped rod 42 is inserted into the slot under the action of the spring 47 to close the shell 1.

[0024] See also Figure 2-3 On the basis of the above-mentioned embodiment, in another embodiment of the utility model, a slide groove 1 6 and a slide groove 2 7 are provided on the inner wall of the shell 1, and the insides of the slide groove 1 6 and the slide groove 2 7 are respectively slidably connected with a limit block 1 5 and a limit block 2 8, the limit block 1 5 is fixedly connected to the outer wall of the cover plate 2 3, and the limit block 2 8 is fixedly connected to the outer wall of the cover plate 1 2. By setting the limit block 1 5 and the slide groove 1 6, the cover plate 2 3 can be prevented from falling, and the slide groove 2 8 and the limit block 27 can prevent the cover plate 1 2 from falling. The top of the limit block 2 8 is fixedly connected with an iron sheet 9, and the top of the inner wall of the slide groove 2 7 is fixedly connected with a magnetic sheet 10. By setting the iron sheet 9 and the magnetic sheet 10, the cover plate 1 2 can be attracted and fixed to each other.

[0025] Working principle: when the restrictions of cover plate 1 2 and cover plate 2 3 are released, cover plate 2 3 automatically slides down under its own gravity, and then slides up cover plate 1 2, cover plate 1 2 drives limit block 2 8 to slide up in slide groove 2 7, limit block 2 8 drives iron sheet 9 to contact with magnetic sheet 10, magnetic sheet 10 and iron sheet 9 attract each other to fix cover plate 1 2, so there is no need to manually limit cover plate 1 2.

[0026] It is worth noting that the relevant components of the electromagnetic lock are arranged inside the housing 1, which is the existing technology and is not the main innovation point, and will not be described in detail here.

[0027] The utility model provides a hole-free anti-theft installation electromagnetic lock. There are many methods and ways to implement the technical solution. The above is only the preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A hole-free anti-theft installation electromagnetic lock, comprising a housing (1), characterized in that: The front of the shell (1) is provided with a cover plate 1 (2) and a cover plate 2 (3), and the back of the cover plate 1 (2) and the cover plate 2 (3) is provided with a limiting mechanism (4), the limiting mechanism (4) comprising a fixed block (41), an L-shaped rod (42), a connecting rod (43) and a sliding rod (44), the fixed block (41) is fixedly mounted on the back of the cover plate 2 (3), and a slot is provided on the right side of the fixed block (41), one end of the L-shaped rod (42) is inserted into the inside of the slot, and the other end is fixedly connected to the bottom of the connecting rod (43), and the sliding rod (44) is fixedly connected to one end of the connecting rod (43).

2. The hole-free anti-theft installation electromagnetic lock according to claim 1, characterized in that: The front side of the cover plate 1 (2) is provided with a sliding hole (45), the sliding rod (44) passes through the sliding hole (45) and is slidably connected to the sliding hole (45), the front end of the sliding rod (44) is fixedly connected with a sliding block (49), and the sliding block (49) is slidably connected to the front side of the cover plate 1 (2).

3. The hole-free anti-theft installation electromagnetic lock according to claim 2, characterized in that: A U-shaped rod (46) is fixedly connected to the back of the cover plate 1 (2), and the U-shaped rod (46) passes through the sliding rod (44) and is slidably connected to the sliding rod (44).

4. The hole-free anti-theft installation electromagnetic lock according to claim 3, characterized in that: The outer wall of the U-shaped rod (46) is fixedly sleeved with a disc (48), and the outer wall of the U-shaped rod (46) is sleeved with a spring (47), and the two ends of the spring (47) are respectively fixedly connected to the outer wall of the disc (48) and the outer wall of the sliding rod (44).

5. The hole-free anti-theft installation electromagnetic lock according to claim 1, characterized in that: The inner wall of the shell (1) is provided with a slide groove 1 (6) and a slide groove 2 (7), and the interiors of the slide groove 1 (6) and the slide groove 2 (7) are slidably connected to a limit block 1 (5) and a limit block 2 (8), respectively; the limit block 1 (5) is fixedly connected to the outer wall of the cover plate 2 (3), and the limit block 2 (8) is fixedly connected to the outer wall of the cover plate 1 (2).

6. The hole-free anti-theft installation electromagnetic lock according to claim 5, characterized in that: The top of the second limit block (8) is fixedly connected with an iron sheet (9), and the top of the inner wall of the second slide groove (7) is fixedly connected with a magnetic sheet (10).

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