Electromagnetic lock with stroke convenient to adjust

Abstract

The utility model discloses an electromagnetic lock with stroke convenient to adjust, which belongs to the technical field of electromagnetic locks and comprises an electromagnetic lock body, a rotating handle fixedly connected to the upper end of the electromagnetic lock body, a button fixedly connected to the upper end of the rotating handle and an indicator lamp fixedly connected to the upper end of the electromagnetic lock body. A key hole is formed in the upper end of the electromagnetic lock body, an adjusting mechanism is fixedly connected to the right end of the electromagnetic lock body, the stroke distance of a lock rod of the electromagnetic lock can be adjusted in a simple and convenient adjusting mode through cooperation of the adjusting mechanism and an adjusting assembly, and therefore the limitation of installation and use of the electromagnetic lock is reduced; the adjusting mechanism is protected through the buffering assembly when the lock rod moves, impact on the adjusting mechanism is reduced, and therefore the stability of the adjusting mechanism is improved, the operation stability of the electromagnetic lock is indirectly improved, the function of adjusting the stroke distance of the lock rod is achieved, and the practicability of the electromagnetic lock is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic locks, and more specifically to an electromagnetic lock with an adjustable stroke. Background Art

[0002] Indoor electromagnetic lock is an interlocking device of electric control mechanism to prevent misoperation of high-voltage switchgear. It is mainly used for interlocking of front and rear cabinet doors, disconnectors, circuit breakers, grounding wires and other parts of indoor high-voltage switchgear to prevent misoperation. It is an indispensable locking device for power generation and power supply departments.

[0003] Chinese Patent Authorization Announcement No.: CN107806291A provides an electromagnetic lock, which realizes the locking and unlocking of the lock tongue by respectively using a locking spring and an unlocking spring. Both the locking spring and the unlocking spring realize their respective functions by being compressed, so that the lock tongue has high stability and service life. However, the following defects still exist in the specific implementation process: Although the electromagnetic lock has relatively good stability during use, the travel length of the lock tongue cannot be adjusted, which makes the installation and use of the electromagnetic lock have certain limitations.

[0004] Therefore, in view of the above problems, an electromagnetic lock with an easily adjustable stroke is proposed. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide an electromagnetic lock with an easily adjustable stroke, which can realize the function of adjusting the travel distance of the lock rod.

[0007] 2. Technical solution

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] An electromagnetic lock with an easily adjustable stroke comprises an electromagnetic lock body, a handle is fixedly connected to the upper end of the electromagnetic lock body, a button is fixedly connected to the upper end of the handle, an indicator light is fixedly connected to the upper end of the electromagnetic lock body, a keyhole is provided at the upper end of the electromagnetic lock body, and an adjustment mechanism is fixedly connected to the right end of the electromagnetic lock body.

[0010] Furthermore, the adjustment mechanism includes a locking rod, the right end of which is fixedly connected to a limiting plate, the outer surface of the locking rod is threadedly connected to an adjustment component, the left and right parts of the adjustment component are jointly rotatably connected to a positioning component, and the positioning component is internally slidably connected to four buffer components.

[0011] Furthermore, the positioning assembly includes two positioning plates, each end of the two positioning plates close to each other is provided with a rotation groove, each end of the two positioning plates close to each other is fixedly connected with four hollow tubes, and each end of the two positioning plates close to each other is provided with four through holes.

[0012] Furthermore, the buffer assembly includes a slide rod, the outer surface of the slide rod is slidably connected to a slide plate, the left end of the slide plate is fixedly connected to a spring, and the right end of the slide rod is fixedly connected to a second limiting plate.

[0013] Furthermore, the adjustment assembly includes a rotating tube, a threaded groove is formed on the inner surface of the rotating tube, and a rotating knob is fixedly connected to the outer surface of the rotating tube.

[0014] Furthermore, the outer surface of the lock rod is slidably connected to the inner cavity of the electromagnetic lock body, and the outer surface of the lock rod is threadedly connected to the inner surface of the thread groove.

[0015] Furthermore, the left and right ends of the rotating tube are rotatably connected to the inner surfaces of the two rotating grooves respectively.

[0016] Furthermore, the outer surface of the slide rod is slidably connected to the inner surface of the through hole, the outer surface of the slide rod is slidably connected to the inner surface of the hollow tube, the left end of the slide rod is fixedly connected to the right end of the electromagnetic lock body, and the left end of the spring is fixedly connected to the right end of the electromagnetic lock body.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] (1) This solution can adjust the travel distance of the lock rod of the electromagnetic lock in a simple and convenient manner by cooperating with the adjustment mechanism and the adjustment component, thereby reducing the limitations of the installation and use of the electromagnetic lock and improving the practicality of the electromagnetic lock.

[0020] (2) This solution protects the adjustment mechanism through the buffer component when the lock rod moves, reducing the impact on the adjustment mechanism, thereby improving the stability of the adjustment mechanism and indirectly improving the stability of the electromagnetic lock operation.

[0021] (3) This solution fixes the position of the adjustment component through the positioning component, so that it is always inside the positioning component, so that it is always in a state that is convenient for operation, and it is convenient to adjust the travel distance of the electromagnetic lock rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the adjustment mechanism of the utility model;

[0024] Figure 3 This is a schematic diagram of a positioning component of the utility model;

[0025] Figure 4 This is a schematic diagram of a buffer component of the utility model;

[0026] Figure 5 It is a schematic diagram of the adjustment component of the utility model.

[0027] Description of the numbers in the figure:

[0028] 1. Electromagnetic lock body; 2. Turning handle; 3. Push button; 4. Keyhole; 5. Indicator light; 6. Adjustment mechanism; 61. Lock rod; 62. Limiting piece 1; 63. Positioning assembly; 631. Positioning plate; 632. Rotating groove; 633. Hollow tube; 634. Through hole; 64. Buffer assembly; 641. Sliding rod; 642. Limiting piece 2; 643. Sliding piece; 644. Spring; 65. Adjustment assembly; 651. Rotating tube; 652. Turning knob; 653. Threaded groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Example:

[0033] See also Figure 1-5 An electromagnetic lock with an easily adjustable stroke comprises an electromagnetic lock body 1, a handle 2 is fixedly connected to the upper end of the electromagnetic lock body 1, a button 3 is fixedly connected to the upper end of the handle 2, an indicator light 5 is fixedly connected to the upper end of the electromagnetic lock body 1, a keyhole 4 is opened at the upper end of the electromagnetic lock body 1, and an adjustment mechanism 6 is fixedly connected to the right end of the electromagnetic lock body 1.

[0034] In this solution, the position of the lock rod in the electromagnetic lock body 1 is adjusted by the adjustment mechanism 6, so that the electromagnetic lock can be more widely used. The handle 2 cooperates with the button 3 to control the power on and opening of the electromagnetic lock. The indicator light 5 can be used to observe whether the electromagnetic lock is powered on. The keyhole 4 is used to use a key to open the electromagnetic lock in an emergency.

[0035] See also Figure 2-5 The adjusting mechanism 6 includes a locking rod 61, the outer surface of the locking rod 61 is slidably connected to the inner cavity of the electromagnetic lock body 1, the right end of the locking rod 61 is fixedly connected to a limiting plate 62, the outer surface of the locking rod 61 is threadedly connected to an adjusting component 65, the left and right parts of the adjusting component 65 are rotatably connected to a positioning component 63, and the positioning component 63 is internally slidably connected to four buffer components 64, the positioning component 63 includes two positioning plates 631, and the ends of the two positioning plates 631 close to each other are each provided with a rotating groove 632, the ends of the two positioning plates 631 close to each other are jointly fixedly connected with four hollow tubes 633, and the ends of the two positioning plates 631 close to each other are each provided with four through holes 634, the buffer component 64 includes a sliding rod 641, the outer surface of the sliding rod 641 It is slidably connected to the inner surface of the through hole 634, the outer surface of the sliding rod 641 is slidably connected to the inner surface of the hollow tube 633, the left end of the sliding rod 641 is fixedly connected to the right end of the electromagnetic lock body 1, the outer surface of the sliding rod 641 is slidably connected with a sliding piece 643, the left end of the sliding piece 643 is fixedly connected with a spring 644, the left end of the spring 644 is fixedly connected to the right end of the electromagnetic lock body 1, the right end of the sliding rod 641 is fixedly connected with a limiting piece 2 642, the adjustment component 65 includes a rotating tube 651, the inner surface of the rotating tube 651 is provided with a threaded groove 653, the outer surface of the locking rod 61 is threadedly connected to the inner surface of the threaded groove 653, the outer surface of the rotating tube 651 is fixedly connected with a knob 652, and the left and right ends of the rotating tube 651 are respectively rotatably connected to the inner surfaces of the two rotating grooves 632.

[0036] In this solution, by rotating the knob 652, the rotating tube 651 can rotate in the two rotating grooves 632 opened at one end of the two positioning plates 631 close to each other. The rotation of the rotating tube 651 will cause the thread groove 653 to rotate. Since the position of the thread groove is limited between the two positioning plates 631 and cannot move, the locking rod 61 will be adjusted to the left or right under the rotation of the knob 652. After the stroke adjustment of the locking rod 61 is completed, the electromagnetic lock body 1 is energized. At this time, the locking rod 61 will pop out to the left under the action of the components inside the electromagnetic lock body 1. Since the pop-up speed is very fast, the threads on the locking rod 61 cannot be moved. The two positioning plates 631 will slide to the left under the action of the four slide bars 641 and the four hollow tubes 633, and the positioning plate 631 on the left will squeeze the slide 643, causing the slide 643 to move to the left, and together with the right end of the electromagnetic lock body 1, compress the spring 644. At this time, the electromagnetic lock is in a locked state. When the electromagnetic lock is powered off or unlocked with a key, the force of the internal components of the electromagnetic lock body 1 disappears, and the adjusting component 65 and the positioning component 63 return to their initial positions under the action of the four springs 644.

[0037] Working principle: When the travel distance of the locking rod 61 of the electromagnetic lock needs to be adjusted, the knob 652 is turned so that the rotating tube 651 can rotate in the two rotating grooves 632 opened at one end of the two positioning plates 631 close to each other. The rotation of the rotating tube 651 will cause the thread groove 653 to rotate. Since the position of the thread groove is limited between the two positioning plates 631 and cannot move, the locking rod 61 will move left or right under the rotation of the knob 652. After the travel distance of the locking rod 61 is adjusted, the electromagnetic lock body 1 is powered on. At this time, the locking rod 61 will pop out to the left under the action of the components inside the electromagnetic lock body 1, so that the threads on the locking rod 61 cannot be aligned with the thread groove 65 3, but moves the adjusting assembly 65 and the positioning assembly 63 to the left together. At this time, the two positioning plates 631 will slide to the left under the action of the four sliding rods 641 and the four hollow tubes 633. The positioning plate 631 on the left side will squeeze the sliding piece 643, so that the sliding piece 643 moves to the left, and together with the right end of the electromagnetic lock body 1, the spring 644 is compressed. The four compressed springs 644 can provide a buffer for the adjusting assembly 65 and the positioning assembly 63, reducing a certain amount of wear. At this time, the electromagnetic lock is in a locked state. After the electromagnetic lock is powered off and unlocked, the adjusting assembly 65 and the positioning assembly 63 will return to the initial position under the action of the four springs 644.

[0038] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An electromagnetic lock with easily adjustable stroke, comprising an electromagnetic lock body (1), characterized in that: The upper end of the electromagnetic lock body (1) is fixedly connected to a handle (2), the upper end of the handle (2) is fixedly connected to a button (3), the upper end of the electromagnetic lock body (1) is fixedly connected to an indicator light (5), the upper end of the electromagnetic lock body (1) is provided with a keyhole (4), the right end of the electromagnetic lock body (1) is fixedly connected to an adjustment mechanism (6), the adjustment mechanism (6) comprises a lock rod (61), the right end of the lock rod (61) is fixedly connected to a limit plate (62), the outer surface of the lock rod (61) is threadedly connected to an adjustment component (65), the left and right parts of the adjustment component (65) are rotatably connected to a positioning component (63), and the positioning component (63) is slidably connected to four buffer components (64) inside.

2. The electromagnetic lock with adjustable stroke according to claim 1, characterized in that: The positioning assembly (63) comprises two positioning plates (631), each of the two positioning plates (631) having a rotation groove (632) at one end close to each other, four hollow tubes (633) being fixedly connected to each other at one end close to each other, and each of the two positioning plates (631) having four through holes (634) at one end close to each other.

3. The electromagnetic lock with adjustable stroke according to claim 2, characterized in that: The buffer assembly (64) comprises a sliding rod (641), the outer surface of the sliding rod (641) is slidably connected to a sliding plate (643), the left end of the sliding plate (643) is fixedly connected to a spring (644), and the right end of the sliding rod (641) is fixedly connected to a second limiting plate (642).

4. The electromagnetic lock with adjustable stroke according to claim 2, characterized in that: The adjustment assembly (65) comprises a rotating tube (651), the inner surface of the rotating tube (651) is provided with a threaded groove (653), and the outer surface of the rotating tube (651) is fixedly connected with a rotating knob (652).

5. The electromagnetic lock with adjustable stroke according to claim 4, characterized in that: The outer surface of the locking rod (61) is slidably connected to the inner cavity of the electromagnetic lock body (1), and the outer surface of the locking rod (61) is threadedly connected to the inner surface of the thread groove (653).

6. The electromagnetic lock with adjustable stroke according to claim 4, characterized in that: The left and right ends of the rotating tube (651) are respectively rotatably connected to the inner surfaces of the two rotating grooves (632).

7. The electromagnetic lock with adjustable stroke according to claim 3, characterized in that: The outer surface of the slide rod (641) is slidably connected to the inner surface of the through hole (634), the outer surface of the slide rod (641) is slidably connected to the inner surface of the hollow tube (633), the left end of the slide rod (641) is fixedly connected to the right end of the electromagnetic lock body (1), and the left end of the spring (644) is fixedly connected to the right end of the electromagnetic lock body (1).

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