CN214906029U

CN214906029U - Limiting device of electromagnetic lock

Info

Publication number: CN214906029U
Application number: CN202120050373.5U
Authority: CN
Inventors: 朱立华; 徐东初; 胡建东
Original assignee: Wuxi Dongying Electronics Co ltd
Current assignee: Wuxi Dongying Electronics Co ltd
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2021-11-30
Anticipated expiration: 2031-01-09

Abstract

The utility model discloses a stop device of electromagnetic lock, including the support, install skeleton in the support and encircle the coil on the skeleton, its characterized in that: the skeleton has a cavity body, the inner wall laminating of cavity body has the stand pipe, stand pipe upper portion inner wall is equipped with the quiet iron core of tubulose, is equipped with the lock core in the quiet iron core of tubulose, lock core bottom and move iron core fixed connection, is equipped with the shrouding in the third recess that forms between the bottom plate of skeleton and the support of two sides, the stand pipe, and the bottom of shrouding is connected with the spring holder, the one end and the stand pipe fixed connection of spring holder, the other end and the spring coupling of spring holder, the other end and the snap ring of spring are connected, and the bottom at moving the iron core is installed to the snap ring. The utility model discloses can avoid the emergence of high temperature scald accident, effectual spacing simultaneously reduces the part of electromagnetic lock, reduces the electromagnetic lock volume, is favorable to intelligent integration more, reduces product manufacturing cost simultaneously.

Description

Limiting device of electromagnetic lock

Technical Field

The utility model relates to an electromagnetic lock technical field specifically is an electromagnetic lock's stop device.

Background

Steaming is one of cooking methods, people put original-taste or seasoned food raw materials into a vessel and heat and steam the food raw materials through high-temperature steam, and the original nutrition of the food can be reserved to a greater extent in the cooking process.

The steam box is a kitchen appliance product which converts water into high-temperature steam through the heating plate to cook food by 100% of steam, has a strong pure steaming function, can quickly realize steaming vegetables, rice, soup, heating the rice and the like, and has the functions of locking nutrition, reducing fat and salt, keeping original taste and flavor of the food, and the like. The steam ager during operation, the chamber door is the closed condition, constitutes approximate inclosed steam culinary art space with the box, is full of high temperature steam in the space, and nevertheless the chamber door of current steam ager is not high with the locking device intelligent degree of box when closed, and the chamber door can be opened by maloperation or child in the equipment work, causes the risk of high temperature scald. And meanwhile, the assembly mode of the limiting plate and other parts is adopted, so that the structure is complex, the manufacturing cost is high, the size is large, and the intelligent integration is not facilitated.

Disclosure of Invention

The utility model provides an above-mentioned problem, provide a stop device of electromagnetic lock, can avoid the emergence of high temperature scald accident, simultaneously effectual spacing reduces the part of electromagnetic lock, reduces the electromagnetic lock volume, is favorable to intelligent integration more, reduces product manufacturing cost simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stop device of electromagnetic lock, includes the support, installs skeleton in the support and encircles the coil on the skeleton, its characterized in that: the skeleton has a cavity body, the inner wall laminating of cavity body has the stand pipe, stand pipe upper portion inner wall is equipped with the quiet iron core of tubulose, be equipped with the lock core in the quiet iron core of tubulose, the lock core bottom with move iron core fixed connection, be equipped with the shrouding between the bottom plate of skeleton and the support of two sides, the third recess that forms between the stand pipe, the bottom of shrouding is connected with the spring holder, the one end and the stand pipe fixed connection of spring holder, the other end and the spring coupling of spring holder, the other end and the snap ring of spring are connected, the snap ring is installed in the bottom of moving the iron core, the top of stand pipe is equipped with the second boss, the second boss is connected with the second recess looks joint that is equipped with on the skeleton, the bottom of stand pipe is equipped with the enstrophe board, the one end of enstrophe board contacts with the outer wall of moving the iron core lower part.

Further, the top of the tubular static iron core is provided with a first groove, and the first groove is connected with a first boss on the support in a clamping manner.

Further, the upper portion of the movable iron core is trapezoidal, the outer wall of the trapezoidal movable iron core is attached to the inclined inner side wall of the lower portion of the tubular static iron core, the lower portion of the movable iron core is circular, and the outer wall of the circular movable iron core is attached to the inner wall of the guide tube 7.

The utility model has the advantages that:

1. the flanging plate in the guide pipe is used for limiting, the processing and manufacturing cost is low, the realization is easy, and the automatic mass production can be realized quickly in processing.

2. And a limiting plate is not required to be additionally arranged for limiting, so that the manufacturing time is reduced.

3. The assembly of the limiting plate and the screw thereof is removed, the product cost is reduced, and the market popularization is facilitated.

4. The device without the limiting plate has reduced volume and is more beneficial to intelligent integration.

Drawings

Fig. 1 is a schematic structural diagram of a limiting device of an electromagnetic lock according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a locking state of a position limiter of an electromagnetic lock according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an unlocking state of a limiting device of an electromagnetic lock according to an embodiment of the present invention.

In the figure: 1. a lock cylinder; 2. a support; 3. a coil; 4. a framework; 5. a framework; 6. a tubular static iron core; 7. a guide tube; 8. a movable iron core; 9. a spring seat; 10. a spring; 11. a snap ring; 12. an inverted necking plate; 13. A first groove; 14. a first boss; 15. a third groove; 16. a second boss; 17. a second groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a position limiting device of an electromagnetic lock includes a bracket 2, a frame 4 installed in the bracket 2, and a coil 3 surrounding the frame 4, and is characterized in that: the framework 4 is provided with a hollow pipe body, the inner wall of the hollow pipe body is adhered with the

guide pipe

7, 7 upper portion inner walls of stand pipe are equipped with tubulose quiet iron core 6, be equipped with lock core 1 in the tubulose

quiet iron core

6, 1 bottom of lock core and move 8 fixed connection of iron core, the bottom plate of skeleton 4 and the support 2 of two sides, be equipped with shrouding 5 in the third recess 15 that forms between the stand pipe 7, the bottom of shrouding 5 is connected with spring holder 9, the one end and the 7 fixed connection of stand pipe of spring holder 9, the other end and the spring 10 of spring holder 9 are connected, the other end and the snap ring 11 of spring 10 are connected, snap ring 11 is installed in the bottom of moving iron core 8, the top of stand pipe 7 is equipped with second boss 16, second boss 16 and the second recess 17 looks joint that is equipped with on the skeleton 4, the bottom of stand pipe 7 is equipped with enstrophe necking plate 12, the one end of enstrophe necking plate 12 contacts with the outer wall that moves 8 lower parts of iron core.

The top of the tubular static iron core 6 is provided with a first groove 13, and the first groove 13 is clamped with a first boss 14 arranged on the bracket 2.

The upper portion of movable iron core 8 is trapezoidal form, and trapezoidal form's movable iron core 8 outer wall and the oblique inboard wall in 6 lower parts of tubulose quiet iron core are laminated mutually, and movable iron core 8's lower part is circular form, and circular form moves iron core 8 outer wall and the inner wall of stand pipe 7 and laminates mutually.

The utility model discloses a working process: the lock core 1 and the movable iron core 8 are connected together in an interference fit mode, the tubular static iron core 6 is sleeved on the lock core 1 and is in contact with the movable iron core 8, the assembly of the lock core 1, the movable iron core 8 and the tubular static iron core 6 is placed into the lock core 1 from one side of the outward-turned flaring of the guide pipe 7, the framework 4 and the coil 3 are fixed together in advance, the support 2 is sleeved, the sealing plate 5 is riveted with the support 2, and finally the spring seat 9, the spring 10 and the snap ring 11 are installed.

The utility model discloses a theory of operation: when the coil 3 is electrified to generate magnetism, the tubular static iron core 6 and the movable iron core 8 are magnetized, the polarities are opposite, the movable iron core 8 overcomes the resistance of the spring 10 and starts to attract, and the movable iron core 8 together with the lock cylinder 1 extends out of the lock hole to be inserted into the lock hole to lock the door; when the coil 3 is powered off, the magnetic field disappears, the lock cylinder 1 and the movable iron core 8 are in interference fit, the movable iron core 8 and the lock cylinder 1 return under the action of the spring 10, the lock cylinder 1 retracts, and the retraction position of the lock cylinder 1 is limited by an inward-turning necking plate 12 arranged on the guide tube 7 to realize unlocking.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a stop device of electromagnetic lock, includes support (2), installs skeleton (4) in support (2) and encircles coil (3) on skeleton (4), its characterized in that: the framework (4) is provided with a hollow pipe body, the inner wall of the hollow pipe body is attached with a guide pipe (7), the inner wall of the upper part of the guide pipe (7) is provided with a tubular static iron core (6), a lock cylinder (1) is arranged in the tubular static iron core (6), the bottom end of the lock cylinder (1) is fixedly connected with a movable iron core (8), a sealing plate (5) is arranged in a third groove (15) formed between a bottom plate of the framework (4) and the supports (2) and the guide pipe (7) at two sides, the bottom of the sealing plate (5) is connected with a spring seat (9), one end of the spring seat (9) is fixedly connected with the guide pipe (7), the other end of the spring seat (9) is connected with a spring (10), the other end of the spring (10) is connected with a snap ring (11), the snap ring (11) is arranged at the bottom end of the movable iron core (8), the top of the guide pipe (7) is provided with a second boss (16), the second boss (16) is connected with a second groove (17) arranged on the framework (4), an inward-turning necking plate (12) is arranged at the bottom of the guide pipe (7), and one end of the inward-turning necking plate (12) is in contact with the outer wall of the lower part of the movable iron core (8).

2. The position limiter of an electromagnetic lock according to claim 1, wherein: the top of the tubular static iron core (6) is provided with a first groove (13), and the first groove (13) is clamped with a first boss (14) arranged on the support (2).

3. The position limiter of an electromagnetic lock according to claim 1, wherein: the upper portion of moving iron core (8) is trapezoidal form, and trapezoidal form moves iron core (8) outer wall and the oblique inboard wall in tubulose quiet iron core (6) lower part and laminates mutually, and the lower part of moving iron core (8) is circular form, and circular form moves iron core (8) outer wall and laminates mutually with the inner wall of stand pipe (7).