Electromagnetic control bolt lock

Abstract

The utility model discloses an electromagnetic control bolt lock which comprises a light-emitting bolt and a lock body. The lock body comprises a base, a locking mechanism and a cathode static contact piece. One side of the locking mechanism is mounted on the base, and the cathode static contact is mounted on the other side of the locking mechanism; the locking mechanism comprises a mounting seat and a spring bolt, and an anode static contact is arranged in the mounting seat; the spring bolt is elastically mounted on the mounting seat, and one end of the spring bolt extends into the mounting seat; an electromagnetic assembly used for controlling the spring bolt to extend into the mounting seat is arranged on the mounting seat; the light-emitting bolt comprises a bolt body, and a groove is formed in the middle section of the bolt body. One end of the bolt body is provided with a moving contact, the periphery of the moving contact is provided with an anode contact, and the front end of the moving contact is provided with a cathode contact; a light-emitting unit is arranged in the moving contact, and the light-emitting unit is electrically connected with the anode contact and the cathode contact. The utility model has the advantages of simple structure, low cost and the like.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to high voltage electrical equipment technical field, concretely relates to a electromagnetic control bolt lock. BACKGROUND

[0002] To ensure personal safety, high voltage electrical equipment should have five prevention functions, and to meet the five prevention functions, electrical equipment usually adopts mechanical interlocking plus electrical interlocking, such as bolt and electromagnetic lock are used to meet the five prevention functions, such as the back door plate of 28 cabinet and 61 cabinet, so that the overall structure is complex and the cost is high.

[0003] The five prevention functions are: (1) preventing misoperation of circuit breaker; (2) preventing live line from pulling and closing disconnector; (3) preventing live line from hanging (closing) grounding wire (grounding knife switch); (4) preventing grounding wire (grounding knife switch) from closing circuit breaker (disconnector); (5) preventing misoperation of entering live compartment. UTILITY MODEL CONTENTS

[0004] In view of the technical problems existing in the prior art, the utility model provides an electromagnetic control bolt lock which has simple overall structure and low cost.

[0005] To solve the above technical problems, the utility model provides the technical scheme that:

[0006] An electromagnetic control bolt lock comprises a luminous bolt and a lock body.

[0007] The lock body comprises a base, a locking mechanism and a cathode static contact; one side of the locking mechanism is mounted on the base, and the cathode static contact is mounted on the other side of the locking mechanism.

[0008] The locking mechanism comprises a mounting seat and a lock tongue, and the mounting seat is internally provided with an anode static contact; the lock tongue is elastically mounted on the mounting seat, and one end of the lock tongue extends into the mounting seat; the mounting seat is provided with an electromagnetic assembly for controlling the lock tongue to extend into the mounting seat.

[0009] The luminous bolt comprises a bolt body, and the middle section of the bolt body is provided with a groove; one end of the bolt body is provided with a movable contact, the periphery of the movable contact is provided with an anode contact, and the front end of the movable contact is provided with a cathode contact; the inside of the movable contact is provided with a light emitting unit, and the light emitting unit is electrically connected with the anode contact and the cathode contact respectively.

[0010] As a further improvement of the above technical scheme:

[0011] The locking tongue is elastically mounted on the mounting seat through an elastic assembly; the elastic assembly comprises a mounting sheet, a positioning pin, a compression spring and a snap spring, the mounting sheet is provided with a positioning hole; one end of the positioning pin is located in the positioning hole, the snap spring is located at the other end of the positioning pin, and the compression spring is sleeved on the positioning pin between the mounting sheet and the snap spring.

[0012] The electromagnetic assembly comprises an electromagnetic coil, which is mounted on the mounting seat and located above the mounting sheet.

[0013] The locking mechanism and the cathode static contact are located in a protective cover, which is covered on the base.

[0014] The anode static contact is C-shaped and comprises two pieces, both of which are mounted on the mounting seat, and the middle part of the two pieces of anode static contact is circular.

[0015] The bolt body is internally provided with a cavity, and the other end of the bolt body is provided with a light-transmitting protective plate.

[0016] The number of the anode contact is multiple, and the anode contact is annularly and uniformly mounted on the moving contact.

[0017] The number of the anode contact is four or more.

[0018] The light-emitting unit is a light-emitting diode.

[0019] Compared with the prior art, the electromagnetic control bolt lock has the following advantages:

[0020] The electromagnetic lock and the light-emitting bolt are combined into one body, the cost is reduced, the efficiency is increased, the five-prevention function is considered, the electromagnetic control bolt lock can be applied to the movable door plate of high and low voltage electrical equipment, and the mechanical locking and electrical locking functions are combined. The overall structure is simple and easy to realize. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of an embodiment of the electromagnetic control bolt lock.

[0022] Figure 2 It is a structure view of the lock body in the embodiment; (a) is a perspective view; (b) is a bottom view.

[0023] Figure 3 It is an exploded structure view of the lock body in the embodiment.

[0024] Figure 4 It is a structure view of the locking mechanism in the embodiment.

[0025] Figure 5 It is an exploded view of the locking mechanism in the embodiment.

[0026] Figure 6 The structure diagram of the light-emitting bolt in the embodiment of the utility model.

[0027] Figure 7 The explosion view of the light-emitting bolt in the embodiment of the utility model.

[0028] Figure 8 The structure diagram of the moving contact in the embodiment of the utility model.

[0029] Figure 9 The layout diagram one of the anode contact in the embodiment of the utility model.

[0030] Figure 10 The layout diagram two of the anode contact in the embodiment of the utility model.

[0031] Figures 11-14 The working state diagram of the utility model.

[0032] Legend: 1, lock body; 101, base; 102, locking mechanism; 1021, mounting seat; 1022, anode static contact piece; 1023, lock tongue; 1024, mounting piece; 1025, positioning pin; 1026, clamping spring; 1027, compression spring; 1028, electromagnetic coil; 103, cover plate; 104, cathode static contact piece; 105, protective cover; 106, wiring terminal; 2, light-emitting bolt; 201, bolt body; 202, light-transmitting protective plate; 203, moving contact; 2031, insulating plastic sealing sleeve; 2032, light-emitting diode; 2033, anode contact; 2034, cathode contact. DETAILED DESCRIPTION

[0033] The utility model will be further described below in combination with the drawings and specific embodiments.

[0034] As Figure 1 shown, the utility model embodiment provides electromagnetic control bolt lock, including light-emitting bolt 2 and lock body 1;

[0035] As Figures 2-3 shown, lock body 1 includes base 101, locking mechanism 102 and cathode static contact piece 104;Locking mechanism 102 is installed on the base 101 on one side, and the cathode static contact piece 104 is installed on the other side of locking mechanism 102;The bottom of lock body 1 is equipped with wiring terminal 106;

[0036] As Figures 4-5As shown, the locking mechanism 102 includes a mounting seat 1021 and a ratchet lock tongue 1023, the mounting seat 1021 is internally provided with an anode static contact 1022; the ratchet lock tongue 1023 is elastically mounted on the mounting seat 1021, and one end extends into the inside of the mounting seat 1021; the mounting seat 1021 is provided with an electromagnetic assembly for controlling the ratchet lock tongue 1023 to extend into the inside of the mounting seat 1021.

[0037] As shown in the figure, Figures 6-7 As shown, the light-emitting bolt 2 includes a bolt body 201, the middle section of the bolt body 201 is provided with a groove; one end of the bolt body 201 is provided with a movable contact 203; as shown in the figure, Figure 8 As shown, the movable contact 203 is provided with an anode contact 2033 on the side, and a cathode contact 2034 is provided at the front end of the movable contact 203; the inside of the movable contact 203 is provided with a light-emitting unit (such as a light-emitting diode 2032), and the two poles of the light-emitting diode 2032 are respectively connected with the anode contact 2033 and the cathode contact 2034.

[0038] As shown in the figure, Figures 4-5 As shown, the ratchet lock tongue 1023 is elastically mounted on the mounting seat 1021 through the elastic assembly. Specifically, the elastic assembly includes a mounting sheet 1024, a positioning pin 1025, a compression spring 1027 and a snap spring 1026, the mounting sheet 1024 is provided with a positioning hole; one end of the positioning pin 1025 is located in the positioning hole, the snap spring 1026 is located at the other end of the positioning pin 1025, and the compression spring 1027 is sleeved on the positioning pin 1025 between the mounting sheet 1024 and the snap spring 1026. The position corresponding to the positioning hole on the lock body 1 is also provided with a hole.

[0039] The electromagnetic assembly includes an electromagnetic coil 1028, which is mounted on the mounting seat 1021 and located above the mounting sheet 1024. The electromagnetic coil 1028 is made of soft magnetic material (low coercive force and high magnetic permeability, easy to magnetize, also easy to demagnetize) skeleton and enameled copper wire, the lock tongue 1023 is also made of soft magnetic material, and the conductive contact sheet is made of pure copper sheet, and the lock body 1 is made of high-strength insulating material additive processing.

[0040] As shown in the figure, Figure 3 As shown, the locking mechanism 102 and the cathode static contact 104 are provided with an insulating cover plate 103; the locking mechanism 102, the cathode static contact 104 and the insulating cover plate 103 are located in the protective cover 105, and the cover is provided on the base 101. The protective cover 105 is made of 304 stainless steel material (non-magnetic).

[0041] As shown in the figure, Figures 9-10As shown, the anode static contact 1022 is shared by two pieces, and both are C-shaped; the two ends of the anode static contact 1022 are mounted on the mounting seat 1021; the middle part of the two pieces of anode static contact 1022 is circular. The number of anode contacts 2033 is multiple (such as 4), and the ring is uniformly mounted on the movable contact 203. It needs to ensure that there are at least two contact points at any rotation angle.

[0042] As shown in the figure, Figure 7 As shown, the inside of the bolt body 201 is provided with a cavity, and the other end of the bolt body 201 is provided with a light-transmitting protective plate 202, through which the light-emitting condition of the internal light-emitting diode 2032 can be seen.

[0043] The electromagnetic lock and the light-emitting bolt 2 are combined into one body, the cost is reduced and the efficiency is increased, and the five-prevention function is considered, which can be applied to the movable door plate of high-low voltage electrical equipment, and the mechanical locking and electrical locking functions are combined. The overall structure is simple and easy to realize.

[0044] The utility model is applied to high voltage electrical cabinet door plate locking, lock body 1 part is installed in the equipment inside, light-emitting bolt 2 is installed as fastener on the outside of the door plate that needs to be locked. When the high-voltage line is electrified, the utility model has no electric signal input; when the high-voltage line is not electrified, the utility model has electric signal input.

[0045] The specific operation steps are as shown in the figure, Figures 11-14

[0046] 1. Screw in: the lower part of the light-emitting bolt 2 and the base 101 are threaded, the light-emitting bolt 2 is rotated clockwise and screwed in, the front inclined surface of the light-emitting bolt 2 lifts the arc surface of the lock tongue 1023, and the compression spring 1027 is compressed (or the control signal is input into the utility model, the electromagnetic coil 1028 is electrified, the lock tongue 1023 is lifted by electromagnetic force, and the compression spring 1027 is compressed); continue to screw in to the fastening position, the anode contact 2033 and the cathode contact 2034 of the movable contact 203 are respectively contacted with the anode static contact 1022 and the cathode static contact 104, and the light-emitting diode 2032 is lighted on the light-emitting circuit.

[0047] 2. Locking: the high-voltage line end sensor detects that the high-voltage line is electrified, the utility model has no electric signal input, the electromagnetic coil 1028 is not electrified, if the light-emitting bolt 2 is screwed out counterclockwise at this time, the compression spring 1027 is restored, the lock tongue 1023 is clamped into the groove, and the light-emitting bolt 2 cannot be screwed out, so as to form a locking state.

[0048] ​3. Unlocking: when the high-voltage line end sensor detects that the high-voltage line is not electrified, the controller sends an electrical signal to access the utility model, the electromagnetic coil 1028 is powered to generate a magnetic field, the lock tongue 1023 is attracted and lifted by the electromagnetic force, the compression spring 1027 is compressed, and the lock is unlocked; At this time, the light-emitting diode 2032 is also powered to emit a light signal, prompting the operator to twist out;

[0049] 4. Twist out: after unlocking, the light bolt 2 is counterclockwise rotated.

[0050] The lock tongue 1023 of the utility model is designed similar to the pawl part in the ratchet mechanism, the bolt can be screwed in clockwise, and the lock tongue 1023 needs to be powered to be lifted when being twisted out counterclockwise; When the bolt is screwed in the fastening state, the electrical signal can be accessed to emit a light signal to prompt the operator; The bolt can extend the padlock hole and the lead seal hole position, and better merge mechanical locking and electrical locking.

[0051] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model.

[0052] In addition, the terms "first" and "second" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0053] In the utility model, unless otherwise specifically defined and limited, the terms "assembly", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium; It can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0054] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application are deemed to be within the protection scope of the present application.

Claims

1. An electromagnetically controlled bolt lock, characterized in that The lock body (1) comprises a base (101), a locking mechanism (102) and a cathode static contact (104); one side of the locking mechanism (102) is mounted on the base (101), and the cathode static contact (104) is mounted on the other side of the locking mechanism (102). The locking mechanism (102) comprises a mounting seat (1021) and a lock tongue (1023), the mounting seat (1021) is internally provided with an anode static contact (1022); the lock tongue (1023) is elastically mounted on the mounting seat (1021), and one end thereof extends into the mounting seat (1021); the mounting seat (1021) is provided with an electromagnetic assembly for controlling the lock tongue (1023) to extend into the mounting seat (1021). The light-emitting bolt (2) comprises a bolt body (201), a middle segment of the bolt body (201) is provided with a groove; one end of the bolt body (201) is provided with a movable contact (203), the movable contact (203) is provided with an anode contact (2033) on the periphery thereof, and the front end of the movable contact (203) is provided with a cathode contact (2034); the inside of the movable contact (203) is provided with a light-emitting unit, and the light-emitting unit is electrically connected with the anode contact (2033) and the cathode contact (2034) respectively. The lock tongue (1023) is elastically mounted on the mounting seat (1021) through an elastic assembly; the elastic assembly comprises a mounting sheet (1024), a positioning pin (1025), a compression spring (1027) and a snap spring (1026), the mounting sheet (1024) is provided with a positioning hole; one end of the positioning pin (1025) is located in the positioning hole, the snap spring (1026) is located at the other end of the positioning pin (1025), and the compression spring (1027) is sleeved on the positioning pin (1025) between the mounting sheet (1024) and the snap spring (1026).

2. The solenoid-operated bolt lock of claim 1 wherein, The electromagnetic assembly comprises an electromagnetic coil (1028), which is mounted on the mounting seat (1021) and located above the mounting sheet (1024).

3. The solenoid-operated bolt lock of claim 2 wherein, The locking mechanism (102) and the cathode static contact (104) are located in a protective cover (105), and the protective cover (105) is covered on the base (101).

4. An electromagnetically controlled bolt lock according to claim 1 or 2 or 3, characterized in that, The anode static contact (1022) has two pieces, and each piece is in a C shape; the two ends of the anode static contact (1022) are mounted on the mounting seat (1021); the middle part of the two pieces of anode static contact (1022) is in a circular shape.

5. The solenoid-operated bolt lock according to claim 1 or 2 or 3, characterized in that, The inside of the bolt body (201) is provided with a cavity, and the other end of the bolt body (201) is provided with a light-transmitting protective plate (202).

6. The solenoid operated bolt lock according to claim 1 or 2 or 3, wherein, The number of the anode contacts (2033) is multiple, and the anode contacts (2033) are annularly and uniformly mounted on the movable contact (203).

7. The solenoid operated bolt lock according to claim 1 or 2 or 3, wherein, The number of the anode contacts (2033) is four or more.

8. The solenoid-operated bolt lock of claim 7 wherein, The light-emitting unit is a light-emitting diode (2032).

9. The solenoid operated bolt lock according to claim 1 or 2 or 3, wherein, ​

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