阅读说明：本技术 具有大抗拉面积的磁力锁结构 (Magnetic lock structure with large tensile area ) 是由 施宏坤 于 2020-03-27 设计创作，主要内容包括：本公开是一种具有大抗拉面积的磁力锁结构,包括一壳体与一电磁铁本体,其中,该电磁铁本体能容纳至该壳体的容纳空间中,该磁力锁结构的特征在于,该壳体的内壁面设有至少一第一滑移部,该电磁铁本体的外壁面则设有至少一第二滑移部,当该电磁铁本体由该壳体的侧向被推入该容纳空间后,该第二滑移部能滑移并抵靠至该第一滑移部,以使该壳体与该电磁铁本体两者间能具有较大接触面积,如此,当该磁力锁结构在运作过程中,该电磁铁本体对壳体所形成的拉力,即可均匀地分散于这些滑移部上,避免该壳体发生变形,以有效提高该磁力锁结构的使用寿命。(The utility model discloses a magnetic lock structure with big tensile area, including a casing and an electro-magnet body, wherein, this electro-magnet body can hold to the accommodation space of this casing, this magnetic lock structure's characterized in that, the internal wall of this casing is equipped with at least one first sliding part, the outer wall of this electro-magnet body is then equipped with at least one second sliding part, after this electro-magnet body is pushed into this accommodation space by the side direction of this casing, this second sliding part can slide and lean on to this first sliding part, so that can have great area of contact between this casing and this electro-magnet body, so, when this magnetic lock structure is in the operation, the pulling force that this electro-magnet body formed to the casing, can evenly disperse on these sliding parts, avoid this casing to take place the deformation, in order to effectively improve this magnetic lock structure's life.)

1. A magnetic lock structure having a large tensile area, comprising:

a housing having an accommodating space therein; and

an electromagnet body which can be assembled in the accommodating space of the shell, can receive external power and forms a magnetic attraction force on the exposed surface;

the magnetic lock structure is characterized in that at least one first sliding part is arranged on the inner wall surface of the shell, at least one second sliding part is arranged on the outer wall surface of the electromagnet body, and the second sliding part can slide and abut against the first sliding part under the state that the electromagnet body is pushed into the accommodating space from the lateral direction of the shell, so that a larger contact area can be formed between the shell and the electromagnet body.

2. The magnetic lock structure of claim 1, wherein the first sliding portion and the second sliding portion are both in a convex rail shape.

3. The magnetic lock structure of claim 1, wherein the first sliding portion is in the form of a convex rail and the second sliding portion is in the form of a concave groove.

4. The magnetic lock structure of claim 1, wherein the first sliding portion is in the form of a groove and the second sliding portion is in the form of a rail.

5. The magnetic lock structure according to any one of claims 1 to 4, wherein an iron core of the electromagnet body is composed of at least a plurality of silicon steel sheets and at least a fixing rod, the silicon steel sheets are stacked to form a strip, at least one side of the iron core is provided with an inserting slot, and the fixing rod can extend into and be assembled into the inserting slot to integrate the silicon steel sheets.

6. The magnetic lock structure of claim 5, further comprising a positioning portion which can be fixed to an object and one side of which can be assembled to one side of the housing.

7. The magnetic lock structure of claim 6, further comprising a plurality of clamping members, wherein when the housing is assembled with the positioning portion, the clamping members are respectively assembled to two ends of the housing and the positioning portion, and the same clamping member simultaneously clamps an end edge of the housing adjacent to the positioning portion.

8. The magnetic lock structure of claim 7, wherein the one side of the housing is recessed with a groove, the one side of the positioning portion is raised with a protrusion, and the protrusion can be inserted into the groove when the housing and the positioning portion are assembled.

Technical Field

The present disclosure relates to a magnetic lock, and more particularly, to a magnetic lock having a sliding portion between a housing and an electromagnet body to form a large tensile area.

Background

Generally, in order to protect the property safety of people, a lock is usually installed on a door, a window, a cabinet, and the like to prevent the invasion of others. Because the lock with a pure mechanical structure is easy to be cracked by tools (such as a master key), in order to improve the safety, people start to adopt electronic locks such as a magnetic lock, a magnetic card lock, a coded lock, a wireless remote control lock and the like.

In summary, in terms of a Magnetic LOCK (or called an electromagnetic LOCK), the Magnetic LOCK utilizes the electromagnetic principle, and under the condition of power-on, the Magnetic LOCK adsorbs a corresponding adsorption iron sheet (for example, an adsorption iron sheet arranged on a door panel) to be in a Locked (LOCK) state, but under the condition of power-off, the Magnetic LOCK no longer adsorbs the adsorption iron sheet to be in an Unlocked (UNLOCK) state. Referring to fig. 1, a conventional magnetic lock 1 generally comprises a housing 11 and an electromagnet body 12, wherein the housing 11 has a U-shaped cross section to form a receiving space 110 therein, the electromagnet body 12 at least includes an iron core and a coil, the iron core can be formed by overlapping and welding a plurality of silicon steel sheets, and the coil is wound thereon, and when the electromagnet body 12 is energized, a magnetic attraction force can be formed on an outer surface thereof.

However, the inventor found that the conventional magnetic lock 1 is still partially lost in use, and please refer to fig. 1, firstly, the electromagnet body 12 and the housing 11 are locked by a plurality of screws 13, so that when the magnetic lock 1 is in a locked state, the acting force between the electromagnet body 12 and the corresponding absorbing iron sheet causes the electromagnet body 12 to form an outward-disengaging pulling force, and at this time, the main acting area of the pulling force is concentrated at the contact point position of the screw holes 120, 111 on the electromagnet body 12 and the housing 11 and the screws 13, because the housing 11 is usually an aluminum extruded shell, the strength of the housing 11 is weak, and therefore, when the contact point receives a large acting force, the region of the housing 11 at the contact point position is deformed, which may cause a gap to be formed between the electromagnet body 12 and the absorbing iron sheet, the magnetic attraction of the magnetic lock 1 to the iron sheet is reduced. Secondly, because these silicon steel sheets are with the welding mode, form the iron core, consequently, can make the magnetic permeability characteristic of welded silicon steel sheet suffer destruction, make its magnetic resistance increase, magnetic force reduce, and then cause magnetic attraction and then reduce.

In summary, how to effectively solve the problem of the magnetic lock to provide better user experience is an important issue to be discussed in this disclosure.

BRIEF SUMMARY OF THE PRESENT DISCLOSURE

Because the overall structure of the existing magnetic lock still has disadvantages in use, the inventor finally develops the magnetic lock structure with large tensile area after long-term diligent research and experiments by means of abundant practical experience of designing, processing and manufacturing professions for years and with the study spirit of lean and lean, and hopes to effectively solve the existing problems through the appearance of the present disclosure.

The present disclosure provides a magnetic lock structure with a large tensile area, which includes a housing and an electromagnet body, wherein the housing has a receiving space therein, the electromagnet body can be assembled into the receiving space of the housing and can receive external power, and a magnetic attraction force is formed on an exposed surface of the electromagnet body, the present disclosure is characterized in that the inner wall surface of the housing has at least one first sliding portion, the outer wall surface of the electromagnet body has at least one second sliding portion, and the second sliding portion can slide and abut against the first sliding portion when the electromagnet body is pushed into the receiving space from the lateral direction of the housing, so that the contact area between the housing and the electromagnet body can be large, and thus, when the magnetic lock structure is in operation, the electromagnet body forms a tensile force on the housing, the sliding parts can be uniformly dispersed on the sliding parts, so that the condition that the shell is deformed due to too large local stress is reduced, and the service life of the magnetic lock structure is effectively prolonged.

In order to make the objects, technical features and functions of the present disclosure clearer, the embodiments are described in detail below with reference to the accompanying drawings:

drawings

FIG. 1 is an exploded schematic view of a prior art magnetic lock;

FIG. 2 is an exploded schematic view of an embodiment of a magnetic lock configuration of the present disclosure;

FIG. 3 is a schematic view of an embodiment of a magnetic lock configuration of the present disclosure;

fig. 4 is a schematic illustration of a core of another embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a partial explosion of yet another embodiment of a magnetic lock structure of the present disclosure; and

fig. 6 is a combined schematic view of still another embodiment of the magnetic lock structure of the present disclosure.

[ description of main reference symbols in the drawings ]

Magnetic lock 1

Housing 11

Accommodating space 110

Screw holes 111, 120

Electromagnet body 12

Screw 13

Magnetic lock structure 2

Positioning part 20

Convex strip 201

Case 21

The accommodation space 210

First sliding part 211

Channel 213

Electromagnet body 22

Iron cores 22A, 32A

Coil 22B

Second sliding part 222

Clamping element 24

Card inserting slot 320

Fixing bar 33

Detailed Description

Referring to fig. 2 and 3, in an embodiment, the magnetic lock structure 2 at least includes a housing 21 and an electromagnet body 22, wherein the housing 21 has a U-shaped cross section and is provided with an accommodating space 210 therein, the electromagnet body 22 can be assembled into the accommodating space 210 of the housing 21 through a lateral direction of the housing 21, and the electromagnet body 22 can receive external power and form a magnetic attraction force on an exposed surface (e.g., an upper top surface of fig. 2). In this embodiment, the electromagnet body 22 is at least composed of an iron core 22A and a coil 22B, the section of the iron core 22A can be E-shaped, and the coil 22B is directly or indirectly wound (through a coil seat) on the middle column of the iron core 22A, in other embodiments of the present disclosure, a worker in the art can adjust the components and configuration of the electromagnet body 22 according to product requirements.

Referring to fig. 2 and 3, the magnetic LOCK structure 2 further includes a positioning portion 20, the positioning portion 20 can be fixed to an object (e.g., a door frame), and one side of the housing 21 can be assembled to one side of the positioning portion 20, so that, in practical use, a user can mount an iron sheet on a door panel, and when the magnetic LOCK structure 2 is powered on to attract the iron sheet, a Locked (LOCK) state is formed to prevent the door panel from being opened, and when the magnetic LOCK structure 2 is powered off, the iron sheet is not attracted to the door panel, an Unlocked (UNLOCK) state is formed to allow the door panel to be freely opened. In other embodiments of the present disclosure, a worker skilled in the art can fix the housing 21 directly to an object (e.g., a door frame) according to the requirement of the product, so as to omit the positioning portion 20. Referring to fig. 2 and 3, the present disclosure is characterized in that the inner wall of the housing 21 is provided with at least one first sliding portion 211, the outer wall of the electromagnet body 22 is provided with at least one second sliding portion 222, in this embodiment, the first sliding portion 211 and the second sliding portion 222 are both in a rail shape, when the electromagnet body 22 is pushed into the accommodating space 210 from the side of the housing 21, the second sliding portion 222 can slide and abut against the first sliding portion 211, that is, the top surface (rail top surface) of the second sliding portion 222 abuts against the bottom surface (rail bottom surface) of the first sliding portion 211, so that, compared with the contact point of the existing magnetic lock with only screw, the tensile area between the housing 21 and the electromagnet body 22 can be larger, that is, the existing point contact is improved to surface contact, and therefore, when the magnetic lock structure 2 is electrified to attract the attracted iron sheet, the acting force (pulling force) that the electromagnet body 22 forms and breaks away from outwards can be evenly dispersed to the contact area of the first sliding part 211 and the second sliding part 222, so as to achieve the effect of stress homogenization, so that the housing 21 can not deform due to the overlarge stress of the local area, the magnetic attraction of the magnetic lock structure 2 to the attraction iron sheet is effectively maintained, the service life of the magnetic lock structure 2 is prolonged, and meanwhile, the electromagnet body 22 is only pushed close to the housing 21, so that the assembly and the disassembly of the electromagnet body are more convenient than those of the existing magnetic lock.

In view of the above, although fig. 2 shows the first sliding portion 211 and the second sliding portion 222 as being in a convex rail shape, in other embodiments of the present disclosure, the first sliding portion 211 can be in a convex rail shape, and the second sliding portion 222 can be in a concave groove shape; alternatively, the first sliding portion 211 can be in a groove shape, and the second sliding portion 222 can be in a convex rail shape; the housing 21 and the electromagnet body 22 can be assembled by sliding each other through the sliding portions 211 and 222, and a large tensile area can be formed.

Referring to fig. 2, the iron core 22A can be formed by overlapping and welding a plurality of silicon steel sheets as in the conventional magnetic lock, but in another embodiment of the present disclosure, referring to fig. 4, the iron core 32A can be formed by overlapping and welding a plurality of silicon steel sheets and at least one fixing rod 33, wherein the silicon steel sheets are overlapped and combined into a strip shape, but without a welding procedure, at least one side of the iron core 32A is provided with an inserting groove 320 (fig. 4 is provided with inserting grooves 320 on two corresponding sides of the iron core 32A), each fixing rod 33 can extend into and be assembled into the corresponding inserting groove 320, so that the silicon steel sheets are combined into a whole to form the iron core 32A, and thus, since the silicon steel sheets are not affected by welding, the magnetic permeability of the iron core is not damaged, and if the fixing rod 33 is made of a high-permeability metal, the magnetic force line loop can be increased to obtain stronger magnetic attraction.

In addition, in order to effectively simplify the process and reduce the number of components, in other embodiments, the side edges of the silicon steel sheets can be provided with grooves to form the second sliding portion 222 in a groove shape after being stacked into the iron core 32A, after the iron core 32A is placed in the housing 21, the second sliding portion 222 can be embedded and clamped with the first sliding portion 211 in the housing 21, so that the iron core 32A (the silicon steel sheets) is stably positioned in the housing 21, that is, the functions of the second sliding portion 222 and the first sliding portion 211 are the same as the functions of the embedding groove 320 and the fixing rod 33, so that the iron core 32A does not need to be subjected to a welding procedure; it should be particularly mentioned that, when the iron core 32A forms the electromagnet body 22 and is placed in the housing 21, it cannot be separated from both sides of the housing 21, but is limited by the protruding rail shape of the first sliding portion 211, and the iron core 32A (the silicon steel sheets) can be prevented from being separated from the top surface direction of the housing.

In addition, in order to improve the convenience and safety of the user for installing the magnetic lock structure 2, please refer to fig. 2, 5 and 6, in a further embodiment of the present disclosure, the magnetic lock structure 2 further includes a plurality of clamping members 24 (only one clamping member 24 is drawn in fig. 5), the clamping members 24 can be formed by twisting steel wires to have elasticity, after the housing 21 and the positioning portion 20 are assembled, at least one clamping member 24 is respectively assembled at both ends of the housing 21 and the positioning portion 20, and the same clamping member 24 simultaneously clamps an end edge of the housing 21 adjacent to the positioning portion 20 (as in the form of fig. 6), so that when the screws locked between the housing 21 and the positioning portion 20 are loosened, the housing 21 is not easily dropped due to the design of the clamping members 24. In addition, in order to make the assembly of the housing 21 to the positioning portion 20 more convenient and accurate, a groove 213 can be concavely formed on one side of the housing 21, and a protrusion 201 can be convexly formed on one side of the positioning portion 20, when the housing 21 is assembled with the positioning portion 20, the protrusion 201 can be inserted into the groove 213, such a design can further position the housing 21 at a desired position, and when a user locks a screw, the housing 21 will not easily deviate from the original position, so as to avoid the danger that the housing 21 falls off after the user installs the magnetic lock structure 2 or uses it for a long time.

The above description is only for the preferred embodiment of the present disclosure, and the scope of the claims of the present disclosure is not limited thereto, and all the modifications that can be easily made by those skilled in the art based on the technical content disclosed in the present disclosure should be within the protection scope of the present disclosure.