CN112151245A

CN112151245A - External high-frequency transformer anti-electric shock mechanism for household electrical appliance

Info

Publication number: CN112151245A
Application number: CN202011006343.0A
Authority: CN
Inventors: 胡诗立
Original assignee: Changde Lixin Electronic Technology Co ltd
Current assignee: Changde Lixin Electronic Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2020-12-29
Anticipated expiration: 2040-09-23
Also published as: CN112151245B

Abstract

The invention discloses an external high-frequency transformer electric shock prevention mechanism for household electrical appliances, which relates to the field of transformers and comprises a shell, wherein a transformer is arranged in the shell, one side of the shell is connected with a plug-in mechanism, one side of the shell is positioned at two ends of the plug-in mechanism, reset mechanisms are embedded in the two ends of the plug-in mechanism, and one side in the plug-in mechanism is provided with a locking mechanism; the transformer comprises an iron core positioned in a shell, the outer wall of the iron core is connected with a primary coil, and one side of the outer wall of the iron core, which is positioned on the primary coil, is connected with a secondary coil; wherein, plug mechanism is including being located the socket of shell one side. The plugging mechanism, the clamping mechanism and the conductive mechanism replace the traditional mode of connecting exposed wires by bolts, and the plugging mechanism is limited by the clamping mechanism after being connected with the conductive mechanism, so that the primary coil can be electrified, and the electrifying mode is simple, quick and convenient to operate.

Description

External high-frequency transformer anti-electric shock mechanism for household electrical appliance

Technical Field

The invention relates to the field of transformers, in particular to an external high-frequency transformer electric shock prevention mechanism for household electrical appliance equipment.

Background

A Transformer (Transformer) is a device that changes an ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core (magnetic core), the primary coil of the Transformer is responsible for connection with a power supply, and the secondary coil is responsible for connection with a household appliance.

When the conventional primary coil is connected with a power supply, the exposed lead is fixed through a bolt, so that the purpose of electrifying is achieved, and the mode is very easy to cause electric shock accidents and very unsafe; meanwhile, when the primary coil and the power supply connecting circuit are inspected, an electric shock accident can also happen under the condition of improper operation in the inspection process.

Disclosure of Invention

The invention aims to: in order to solve the problem of electric shock accidents, an external high-frequency transformer electric shock prevention mechanism for household electrical appliances is provided.

In order to achieve the purpose, the invention provides the following technical scheme: an external high-frequency transformer electric shock prevention mechanism for household appliances comprises a shell, wherein a transformer is installed inside the shell, one side of the shell is connected with a plug-in mechanism, reset mechanisms are embedded in two ends of the plug-in mechanism at one side of the shell, and a locking mechanism is arranged at one side inside the plug-in mechanism;

the transformer comprises an iron core positioned in a shell, the outer wall of the iron core is connected with a primary coil, and one side of the outer wall of the iron core, which is positioned on the primary coil, is connected with a secondary coil;

the plugging mechanism comprises a socket positioned on one side of the shell, the inner wall of the socket is connected with a top plate, two sides of the top plate are rotatably connected with side plates, one end of each side plate is connected with a rack, a track groove is embedded in the top end of the top plate, the inner wall of the track groove is connected with a baffle plate, the top plate and the side plates are rotatably connected through a connecting shaft, the socket is connected with the top plate through a clamping mechanism, and the inner wall of the socket is connected with a conductive mechanism;

the reset mechanism comprises a gear box which is positioned on one side of the shell and positioned at two ends of the socket, a first gear is arranged on the inner wall of the gear box, the top end of the first gear is connected with a rotating shaft, a pull rod is fixed on one side, positioned on the rotating shaft, of the top end of the first gear, the outer wall of the pull rod is connected with a tension spring, and one end of the tension spring is connected with a fixed rod connected with the gear box;

the locking mechanism comprises a vertical rod located on one side of a side plate, one end of one side of the vertical rod is connected with a connecting rod, one end of the connecting rod is connected with a rack, the outer wall of the rack is meshed with a second gear, a first spring is arranged inside the second gear, two ends of the first spring are connected with a first protruding block, and one side of the second gear is fixed with a connecting hole.

Preferably, chucking mechanism is including the rotation axis that is located socket inner wall bottom, the outer wall connection of rotation axis has a torsional spring, and the bottom of rotation axis is connected with the horizontal pole, the bottom of horizontal pole is connected with the ball of being connected who links to each other with the track groove.

Preferably, electrically conductive mechanism leads electrical pillar including being located socket inner wall one end one number, the top that leads electrical pillar all is connected with the insulation board with the bottom, the insulation board links to each other through No. two springs with the socket, the both sides of leading electrical pillar are provided with the push pedal, the push pedal passes through No. three spring coupling with the socket.

Preferably, coupling mechanism is including the guide post that is located montant one end, and coupling mechanism is still including being located the inside guiding hole of curb plate, the inside embedded No. four springs that have of guide post, the top of No. four springs is connected with No. two lugs.

Preferably, the primary coil is connected with the first conductive column, and a second conductive column matched with the first conductive column is arranged at the bottom end of the top plate, which is located on the inner side of the side plate.

Preferably, the rack meshes with a gear mutually, the axis of rotation passes through the bearing with the gear box and rotates and be connected, the outer wall of connecting axle is located to be provided with both ends and runs through respectively to roof, the inside torsional spring No. two of curb plate, the position department that roof, curb plate and No. two torsional springs contacted all is provided with torsional spring assorted draw-in groove.

Preferably, the rotation axis passes through the bearing rotation with the top of socket inner wall and is connected, the inside to the socket is run through on the top of torsional spring, the socket is provided with the draw-in groove with a torsional spring assorted with the position department that the torsional spring contacted.

Preferably, a groove matched with the first bump is arranged at the position where the socket is contacted with the first bump, and one end of the first bump is of a hemispherical structure.

Preferably, the height of the opening at one end of the rail groove is smaller than the height of the opening at the other end of the rail groove.

Preferably, the inside of guide post is provided with the recess with No. two lug assorted, the top of No. two lugs is the hemisphere structure.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the plugging mechanism, the clamping mechanism and the conductive mechanism are arranged to replace the traditional mode of connecting exposed wires by bolts, the plugging mechanism is limited by the clamping mechanism after being connected with the conductive mechanism, so that the primary coil can be electrified, and the electrifying mode is simple, rapid and convenient to operate;

2. according to the invention, through the locking mechanism and the plugging mechanism, when the interior of the plugging mechanism is checked, the plugging mechanism is automatically opened by loosening the locking mechanism, and the shell of the plugging mechanism is held by a hand, so that the safety is very high, and the electric shock risk caused by direct contact when a circuit is checked is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention at A;

FIG. 3 is a schematic structural diagram of the plugging mechanism of the present invention;

FIG. 4 is a schematic structural view of a chucking mechanism of the present invention;

FIG. 5 is a schematic view of the insertion and extraction mechanism of the present invention;

FIG. 6 is an enlarged view of a portion of the present invention at B;

FIG. 7 is a schematic view of the installation of the first spring of the present invention;

FIG. 8 is an enlarged view of a port portion of the track groove of the present invention;

FIG. 9 is an enlarged view of a portion of the present invention at C;

FIG. 10 is a structural schematic of the locking mechanism of the present invention;

fig. 11 is a partial enlarged view of the present invention at D.

In the figure: 1. a housing; 2. a transformer; 201. an iron core; 202. a secondary coil; 203. a primary coil; 3. a plug-in mechanism; 301. a socket; 302. a side plate; 303. a rack; 304. a top plate; 305. a track groove; 306. a baffle plate; 307. a connecting shaft; 4. a reset mechanism; 401. a first gear; 402. a gear case; 403. a rotating shaft; 404. a pull rod; 405. a tension spring; 406. fixing the rod; 5. a locking mechanism; 501. a rack; 502. a second gear; 503. a first bump; 504. connecting holes; 505. a first spring; 506. a connecting rod; 507. a vertical rod; 6. a chucking mechanism; 601. a cross bar; 602. a connecting ball; 603. a rotating shaft; 604. a first torsion spring; 7. a conductive mechanism; 701. a first conductive post; 702. a second spring; 703. an insulating plate; 704; a third spring; 705. pushing the plate; 8. a connecting mechanism; 801. a guide post; 802. a guide hole; 803. a fourth spring; 804. and a bump II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-11, an external high-frequency transformer electric shock protection mechanism for a household appliance includes a housing 1, a transformer 2 is installed inside the housing 1, a plugging mechanism 3 is connected to one side of the housing 1, a reset mechanism 4 is embedded in two ends of the plugging mechanism 3 at one side of the housing 1, and a locking mechanism 5 is installed at one side inside the plugging mechanism 3;

the transformer 2 comprises an iron core 201 positioned in the shell 1, the outer wall of the iron core 201 is connected with a primary coil 203, and one side of the outer wall of the iron core 201, which is positioned on the primary coil 203, is connected with a secondary coil 202;

the plugging mechanism 3 comprises a socket 301 positioned on one side of the shell 1, the inner wall of the socket 301 is connected with a top plate 304, two sides of the top plate 304 are rotatably connected with side plates 302, one end of each side plate 302 is connected with a rack 303, a track groove 305 is embedded in the top end of the top plate 304, the inner wall of the track groove 305 is connected with a baffle 306, the top plate 304 and the side plates 302 are rotatably connected through a connecting shaft 307, the socket 301 and the top plate 304 are connected through a clamping mechanism 6, and the inner wall of the socket 301 is connected with a conductive mechanism 7;

the reset mechanism 4 comprises a gear box 402 which is positioned on one side of the shell 1 and positioned at two ends of the socket 301, a first gear 401 is arranged on the inner wall of the gear box 402, the top end of the first gear 401 is connected with a rotating shaft 403, a pull rod 404 is fixed on one side, positioned on the rotating shaft 403, of the top end of the first gear 401, a tension spring 405 is connected to the outer wall of the pull rod 404, and one end of the tension spring 405 is connected with a fixed rod 406 connected with the gear box 402;

the locking mechanism 5 comprises a vertical rod 507 positioned on one side of the side plate 302, one end of one side of the vertical rod 507 is connected with a connecting rod 506, one end of the connecting rod 506 is connected with a rack 501, the outer wall of the rack 501 is meshed with a second gear 502, a first spring 505 is arranged inside the second gear 502, two ends of the first spring 505 are connected with a first convex block 503, and one side of the second gear 502 is fixed with a connecting hole 504.

Please refer to fig. 4, the chucking mechanism 6 includes a rotating shaft 603 located at the bottom end of the inner wall of the socket 301, the outer wall of the rotating shaft 603 is connected with a first torsion spring 604, the bottom end of the rotating shaft 603 is connected with a cross rod 601, the bottom end of the cross rod 601 is connected with a connecting ball 602 connected with the track groove 305, so as to facilitate the limit connection of the inserting and pulling mechanism 3 through the chucking mechanism 6.

Please refer to fig. 5, the conductive mechanism 7 includes a first conductive column 701 located at one end of the inner wall of the socket 301, the top end and the bottom end of the first conductive column 701 are connected to an insulating plate 703, the insulating plate 703 is connected to the socket 301 through a second spring 702, two sides of the conductive column 701 are provided with push plates 705, the push plates 705 are connected to the socket 301 through a third spring 704, so as to facilitate the primary coil 203 in the transformer 2 to be powered through the conductive mechanism 7.

Please refer to fig. 11, the connecting mechanism 8 includes a guiding post 801 located at one end of the vertical rod 507, the connecting mechanism 8 further includes a guiding hole 802 located inside the side plate 302, a fourth spring 803 is embedded inside the guiding post 801, and a second bump 804 is connected to a top end of the fourth spring 803, so as to fix the locking mechanism 5 through the connecting mechanism 8.

Please refer to fig. 5, the primary coil 203 is connected to the first conductive pillar 701, so that the conductive pillar 701 can transmit power to the primary coil 203, and a second conductive pillar matched with the first conductive pillar 701 is disposed at the bottom end of the top plate 304 on the inner side of the side plate 302, so that the power can be transmitted to the first conductive pillar 701 after the second conductive pillar contacts the first conductive pillar 701.

Please refer to fig. 6 and 5, the rack 303 is engaged with the first gear 401, so that the rack 303 drives the first gear 404 to rotate, the rotating shaft 403 is rotatably connected with the gear box 402 through a bearing, so as to reduce the friction between the rotating shaft 403 and the gear box 402, the outer wall of the connecting shaft 307 is provided with a second torsion spring, two ends of the second torsion spring respectively penetrate through the top plate 304 and the side plate 302, so that the side plate 302 can be reset and opened through the second torsion spring when not stressed, and the contact positions of the top plate 304 and the side plate 302 with the second torsion spring are provided with clamping grooves matched with the second torsion spring, so that the second torsion spring is twisted under the relative rotation action of the top plate 304 and the side plate 302.

Please refer to fig. 4, the rotating shaft 603 is rotatably connected to the top end of the inner wall of the socket 301 through a bearing, so as to reduce the friction between the rotating shaft 603 and the socket 301, the top end of the first torsion spring 604 penetrates into the socket 301, and a slot matching with the first torsion spring 604 is disposed at a position where the socket 301 contacts with the first torsion spring 604, so as to facilitate the torsion of the first torsion spring 604 under the relative rotation thereof.

Referring to fig. 6 and 7, a groove matched with the first bump 503 is disposed at a position where the socket 301 contacts the first bump 503, so as to increase a connection force between the socket 301 and the first bump 503, and an end of the first bump 503 is in a hemispherical structure, so that an end of the first bump 503 is contracted by a force.

Referring to fig. 8, the height of the opening at one end of the track groove 305 is smaller than the height of the opening at the other end, and the connecting ball 602 moves along the low opening position of the track groove 503 and then moves out of the high opening position.

Please refer to fig. 11, a groove matching with the second bump 804 is disposed inside the guiding pillar 801 to facilitate the second bump 804 to be retracted into the guiding pillar 801, and the top end of the second bump 804 is a hemispherical structure to facilitate the second bump 804 to move under force.

The working principle is as follows: firstly, when the transformer 2 is connected with a power supply, the rack 303 and the top plate 304 are inserted into the inner wall of the socket 301, when the top plate 304 enters the socket 301, the connecting ball 602 faces the port of the track groove 305, after the top plate 304 is continuously pushed into the top plate 304, the connecting ball 602 moves along the track of the track groove 305, simultaneously the connecting ball 602 drives the cross bar 601 and the rotating shaft 603 to rotate, at this time, the first torsion spring 604 is twisted, when the top plate 304 completely enters the inner wall of the socket 301, the top plate 304 presses the push plate 705 and the first conductive column 701, at this time, the third spring 704 and the second spring 702 are both in a compressed state, simultaneously the connecting ball 602 is in contact with the baffle 306, after the force applied on the top plate 304 is removed, the third spring 704 and the second spring 702 reset to push the top plate 304 out by one section, at this time, the connecting ball 602 hooks the corner position of the track groove 305 on one side of the baffle 306, so as to realize, the rack 303 drives the two first gears 401 to rotate, the first gear 401 drives the pull rod 404 to rotate, the pull rod 404 drives the tension spring 405 to stretch, and when the top plate 304 is limited, the tension spring 405 is still in a stretched state; then, when the top plate 304 is taken out, the top plate 304 extrudes the third spring 704 and the second spring 702 by applying pressure to the top plate 304, the connecting ball 602 continues to move along the track groove 305 at the moment, the connecting ball 602 does not limit the top plate 304 at the moment, the tension spring 405 can reset, the tension spring 405 pulls the first gear 401 to rotate through the pull rod 404, the first gear 401 drives the rack 303 to move when rotating, and the rack 303 can pull the top plate 304 to slide out of the socket 301; finally, when the side plates 302 are overhauled, the special tool is connected with the connecting hole 504, the tool is used for driving the connecting hole 504 to rotate, the connecting hole 504 can drive the rack 501 to slide out outwards until the connecting hole 504 is completely separated from one side plate 302, and the connecting hole 504 resets under the action of a second torsion spring, so that the two side plates 302 rotate oppositely, the plugging mechanism 3 is opened, and the overhaul is carried out.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an external high frequency transformer protection against electric shock mechanism for household electrical appliances, includes shell (1), its characterized in that: a transformer (2) is installed inside the shell (1), one side of the shell (1) is connected with a plug-in mechanism (3), one side of the shell (1) is positioned at two ends of the plug-in mechanism (3) and embedded with reset mechanisms (4), and one side inside the plug-in mechanism (3) is provided with a locking mechanism (5);

the transformer (2) comprises an iron core (201) positioned in a shell (1), the outer wall of the iron core (201) is connected with a primary coil (203), and one side of the outer wall of the iron core (201), which is positioned on the primary coil (203), is connected with a secondary coil (202);

the plugging mechanism (3) comprises a socket (301) located on one side of the shell (1), the inner wall of the socket (301) is connected with a top plate (304), two sides of the top plate (304) are rotatably connected with side plates (302), one end of each side plate (302) is connected with a rack (303), a track groove (305) is embedded in the top end of the top plate (304), the inner wall of the track groove (305) is connected with a baffle (306), the top plate (304) and the side plates (302) are rotatably connected through a connecting shaft (307), the socket (301) is connected with the top plate (304) through a clamping mechanism (6), and the inner wall of the socket (301) is connected with a conductive mechanism (7);

the reset mechanism (4) comprises a gear box (402) which is positioned on one side of the shell (1) and is positioned at two ends of the socket (301), a first gear (401) is arranged on the inner wall of the gear box (402), the top end of the first gear (401) is connected with a rotating shaft (403), a pull rod (404) is fixed on one side, positioned on the rotating shaft (403), of the top end of the first gear (401), a tension spring (405) is connected to the outer wall of the pull rod (404), and a fixing rod (406) connected with the gear box (402) is connected to one end of the tension spring (405);

wherein, locking mechanism (5) is including being located montant (507) of curb plate (302) one side, one side one end of montant (507) is connected with connecting rod (506), the one end of connecting rod (506) is connected with rack (501), the outer wall meshing of rack (501) has No. two gears (502), the inside of No. two gears (502) is provided with spring (505), the both ends of spring (505) are connected with lug (503), one side of No. two gears (502) is fixed with connecting hole (504).

2. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: chucking mechanism (6) are including rotation axis (603) that are located socket (301) inner wall bottom, the outer wall connection of rotation axis (603) has torsional spring (604) No. one, and the bottom of rotation axis (603) is connected with horizontal pole (601), the bottom of horizontal pole (601) is connected with and links to each other with track groove (305) connecting ball (602).

3. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: the conductive mechanism (7) comprises a first conductive column (701) located at one end of the inner wall of the socket (301), the top end and the bottom end of the first conductive column (701) are both connected with an insulating plate (703), the insulating plate (703) is connected with the socket (301) through a second spring (702), push plates (705) are arranged on two sides of the conductive column (701), and the push plates (705) are connected with the socket (301) through a third spring (704).

4. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: coupling mechanism (8) are including guide post (801) that are located montant (507) one end, and coupling mechanism (8) still including being located inside guiding hole (802) of curb plate (302), the inside embedded No. four spring (803) that have of guide post (801), the top of No. four spring (803) is connected with No. two lug (804).

5. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 3, characterized in that: the primary coil (203) is connected with the first conductive column (701), and the bottom end of the top plate (304) is provided with a second conductive column matched with the first conductive column (701) and located on the inner side of the side plate (302).

6. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: rack (303) and gear (401) mesh mutually, axis of rotation (403) are connected through the bearing rotation with gear box (402), the outer wall of connecting axle (307) is located and is provided with both ends and runs through respectively to roof (304), curb plate (302) inside No. two torsional springs, roof (304), curb plate (302) all are provided with the draw-in groove with torsional spring assorted with the position department that No. two torsional springs contacted.

7. The external high-frequency transformer electric shock prevention mechanism for the household appliance equipment as claimed in claim 2, characterized in that: rotation axis (603) are passed through the bearing rotation with the top of socket (301) inner wall and are connected, the inside to socket (301) is run through on the top of torsional spring (604), socket (301) and the position department that torsional spring (604) contacted are provided with the draw-in groove with torsional spring (604) assorted.

8. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: a groove matched with the first bump (503) is formed in the position, where the socket (301) is in contact with the first bump (503), and one end of the first bump (503) is of a hemispherical structure.

9. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: the height of the opening at one end of the track groove (305) is smaller than that of the opening at the other end of the track groove.

10. The external high-frequency transformer electric shock prevention mechanism for the household electrical appliance equipment as claimed in claim 1, characterized in that: the inner part of the guide column (801) is provided with a groove matched with the second convex block (804), and the top end of the second convex block (804) is of a hemispherical structure.