CN113503100A - Magnetic attraction device for keeping normal close of electric cabinet door - Google Patents
Magnetic attraction device for keeping normal close of electric cabinet door Download PDFInfo
- Publication number
- CN113503100A CN113503100A CN202110862002.1A CN202110862002A CN113503100A CN 113503100 A CN113503100 A CN 113503100A CN 202110862002 A CN202110862002 A CN 202110862002A CN 113503100 A CN113503100 A CN 113503100A
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- CN
- China
- Prior art keywords
- door
- electric cabinet
- cabinet door
- permanent magnet
- magnetic attraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 8
- 230000005389 magnetism Effects 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention relates to a magnetic attraction device for keeping a door of an electric cabinet normally closed, and belongs to the technical field of electric cabinet doors. The utility model provides a keep magnetism device of inhaling of electricity cabinet door normal close, includes the cabinet body, the cabinet mouth department of the cabinet body installs and to wind door-hinge pivoted electricity cabinet door, cabinet body front side is equipped with and is located the permanent magnet in the electricity cabinet door outside, thereby electricity cabinet door can by permanent magnet attracts to wind and seals around the door-hinge rotation the cabinet mouth of the cabinet body, the suction direction perpendicular to of permanent magnet electricity cabinet door's rotation direction, the permanent magnet is connected with adjusting part and is realized being on a parallel with electricity cabinet door width direction's lateral motion. The electric cabinet door has the advantages that the electric cabinet door can be normally closed in a side magnetic attraction mode, the adsorption surface of the permanent magnet is gradually reduced in the door opening process, so that the resistance for opening the electric cabinet door is smaller, the opening difficulty of the electric cabinet door can be effectively reduced, the use by a user is greatly facilitated, and the like.
Description
Technical Field
The invention relates to a magnetic attraction device for keeping a door of an electric cabinet normally closed, and belongs to the technical field of electric cabinet doors.
Background
To ensure the safety of electrical devices such as switches, the devices are usually locked in an electrical cabinet through an electrical cabinet door. For some electric cabinet doors which are often required to open and close electric switches, the electric cabinet doors are not convenient to open and close by using keys every time, and the electric cabinet doors are easy to open automatically without using keys and locks for fixation, so that the electricity utilization risk exists. Current chinese patent No. 201910954160.2, the patent that the patent name is a distribution cabinet door safety device against wind discloses a distribution cabinet door safety device against wind, the intelligent cabinet temperature adjusting device comprises a cabinet body, still install the second rotating turret on the internal lateral wall adjacent with first rotating turret of cabinet, the high phase-match of the height of second rotating turret and first rotating turret, just it is connected with the second axis of rotation to rotate on the second rotating turret, be fixed with second permanent magnetic plate in the second axis of rotation, second permanent magnetic plate inhales with first permanent magnetic plate mutually, and its beneficial effect is through installing first permanent magnetic plate and the internal second permanent magnetic plate cooperation of cabinet magnetism and inhale each other on the cabinet door for cabinet door and the cabinet body keep closely closed, prevent to be blown out the cabinet door by wind. It also has the following disadvantages: the suction that the front magnetism was inhaled and is produced is too big, leads to the degree of difficulty greatly increased that the electric cabinet door was opened, needs to carry out the operation that reduces the suction size earlier before opening the electric cabinet door, causes the inconvenient scheduling problem of use.
Disclosure of Invention
The invention aims to provide a magnetic attraction device for keeping an electric cabinet door normally closed, and solves the problems that in the prior art, the suction force generated by front magnetic attraction is too large, so that the opening difficulty of the electric cabinet door is greatly increased, the operation of reducing the suction force is required before the electric cabinet door is opened, the use is inconvenient, and the like.
The technical purpose of the invention is mainly solved by the following technical scheme: the utility model provides a keep magnetism device of inhaling of electricity cabinet door normal close, includes the cabinet body, the cabinet mouth department of the cabinet body installs and to wind door-hinge pivoted electricity cabinet door, cabinet body front side is equipped with and is located the permanent magnet in the electricity cabinet door outside, thereby electricity cabinet door can by permanent magnet attracts to wind and seals around the door-hinge rotation the cabinet mouth of the cabinet body, the suction direction perpendicular to of permanent magnet electricity cabinet door's rotation direction, the permanent magnet is connected with adjusting part and is realized being on a parallel with electricity cabinet door width direction's lateral motion.
When the device is used, the electric cabinet door is attracted from the side by the permanent magnet, so that the electric cabinet door rotates around the door shaft to a state of closing the cabinet body opening, the electric cabinet door is kept in a closed state, when the electric cabinet door needs to be opened, the electric cabinet door can rotate around the door shaft and be opened only by applying a pull force to the electric cabinet door, when the resistance for opening the door needs to be adjusted, the permanent magnet moves parallel to the width direction of the electric cabinet door through the adjusting assembly, so that the permanent magnet moves towards the direction far away from or close to the door shaft, and the resistance for opening the door can be adjusted. Greatly facilitating the use of users.
Preferably, the front end of the cabinet body is provided with a sliding chute for the movement of the permanent magnet, the sliding chute extends in parallel relative to the width direction of the electric cabinet door, and the permanent magnet is indirectly or directly movably arranged in the sliding chute; through being equipped with the spout that supplies the permanent magnet to remove at cabinet body front end, the spout is for the width direction parallel extension of electric cabinet door, and the permanent magnet is by indirect or direct movable mounting in the spout for the permanent magnet can slide along the spout, makes the permanent magnet can remove to the direction of keeping away from or being close to the door-hinge, thereby adjusts the resistance of opening the door, and the spout can play the effect of direction when the permanent magnet removes, thereby can increase the accuracy that the resistance was adjusted.
Preferably, the adjusting assembly comprises an installation plate which is located at the rear end of the permanent magnet and is used for fixedly supporting the permanent magnet, a stroke groove which is located at the rear side of the sliding groove and is communicated with the sliding groove is formed in the front end wall body of the cabinet body, the stroke groove penetrates through the front end wall body of the cabinet body, the stroke groove extends in parallel relative to the width direction of the electric cabinet door, a connecting rod is arranged in the stroke groove in a sliding manner, a connecting rod which extends horizontally backwards is fixedly arranged at the rear end of the installation plate, and the extending end of the connecting rod penetrates through the stroke groove and is in sliding fit with the stroke groove; through be equipped with the mounting panel that is located the permanent magnet rear end and is used for the fixed stay permanent magnet in adjusting part, cabinet body front end wall internally has the stroke groove that is located the spout rear side and communicates with the spout, the stroke groove runs through the front end wall body of the cabinet body, the stroke groove is for the parallel extension of width direction of electricity cabinet door, the stroke inslot cunning is furnished with the connecting rod, the mounting panel rear end sets firmly the connecting rod that the level extends backward, the extension end of connecting rod runs through the stroke groove and rather than sliding fit, make the connecting rod when sliding in the stroke inslot, can drive the permanent magnet through the mounting panel and slide along the spout, thereby can adjust the resistance that opens the door.
Preferably, the adjusting assembly further comprises an adjusting block fixedly arranged at the extending end of the connecting rod, an adjusting screw rod penetrating through the adjusting block is rotatably arranged between the left end wall and the right end wall of the cabinet body, two ends of the adjusting screw rod are respectively rotatably connected with the left wall and the right wall of the cabinet body, and one end of the adjusting screw rod penetrates through the side wall of the cabinet body and is fixedly provided with an adjusting knob; through still being equipped with the regulating block that is fixed in the connecting rod and extends the end in adjusting part, it is provided with the accommodate the lead screw that runs through the regulating block to rotate between the end wall about the cabinet body, accommodate the lead screw's both ends are connected with the wall body rotation about the cabinet body respectively, accommodate the lead screw's one end runs through the lateral wall of the cabinet body and sets firmly adjust knob, when making operating personnel rotate adjust knob, can drive the regulating block through adjust the lead screw and slide on accommodate the lead screw, thereby can drive the electro-magnet through the connecting rod and slide along the spout, thereby can adjust the resistance that opens the door, make resistance regulation convenient, and the size of regulation is easily controlled.
Preferably, the permanent magnet is positioned below the electric cabinet door, and the upper surface of the permanent magnet and the lower surface of the electric cabinet door are mutually attracted; through setting up the permanent magnet in electric cabinet door below and the upper surface of permanent magnet and the lower surface inter attraction of electric cabinet door for the permanent magnet can attract electric cabinet door from the edgewise, makes the resistance of opening electric cabinet door less, can effectively avoid leading to the difficult opening of electric cabinet door because suction is too big.
Preferably, the permanent magnet is a square magnet; through setting up the permanent magnet into square magnet for the permanent magnet can attract the electric cabinet door better, has great adsorption area, makes absorptive effect better.
Preferably, the front end face of the adjusting block is attached to the end face of the cabinet body; through the preceding terminal surface setting with the regulating block for with the terminal surface laminating of the cabinet body, can restrict the regulating block and rotate for the regulating block can only carry out lateral shifting on accommodate the lead screw, so that the resistance of adjusting to open the door.
Preferably, the mounting plate is rectangular in cross section, and the rear end face of the mounting plate is attached to the bottom of the sliding groove; the cross-sectional shape through with the mounting panel sets up to the rectangle, and the rear end face of mounting panel and the tank bottom laminating of spout can further restrict the regulating block and rotate, and the spout can play the effect of direction when the mounting panel removes simultaneously to stability when guaranteeing the permanent magnet and removing.
Preferably, the electric cabinet door and the mounting plate are both made of iron or iron alloy materials; through all adopting iron or ferroalloy material to make electric cabinet door and mounting panel for thereby electric cabinet door can be attracted by the permanent magnet and revolve around the door-hinge and rotate the cabinet mouth of the closed cabinet body, and then realize the normally closed state of electric cabinet door, makes the permanent magnet can be adsorbed through the mode of magnetism and fix on the mounting panel simultaneously, thereby accomplishes the installation to the permanent magnet, and simple to operate.
Preferably, the adsorption area between the permanent magnet and the mounting plate is larger than that between the permanent magnet and the door frame of the electric cabinet door; the adsorption area of the permanent magnet and the installation plate is set to be larger than that of the permanent magnet and the door frame of the electric cabinet, so that the permanent magnet can be stably adsorbed on the installation plate, and the electric cabinet door can be prevented from sucking away the permanent magnet when the door is opened.
Therefore, the electric cabinet door has the advantages that the electric cabinet door can be normally closed in a side magnetic attraction mode, the adsorption surface of the permanent magnet is gradually reduced in the door opening process, so that the resistance for opening the electric cabinet door is smaller, the opening difficulty of the electric cabinet door can be effectively reduced, the lever effect is formed by the position of the permanent magnet and the door shaft, the resistance for opening the electric cabinet door can be freely adjusted within a certain range, the use by a user is greatly facilitated, and the like.
Drawings
FIG. 1 is a schematic perspective view of one aspect of the present invention;
FIG. 2 is a schematic perspective view of another aspect of the present invention;
fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention.
The scores in the figures are as follows: 1. a cabinet body; 2. an electric cabinet door; 3. a permanent magnet; 4. a chute; 5. mounting a plate; 6. a stroke slot; 7. a connecting rod; 8. an adjusting block 8; 9. adjusting the screw rod; 10. adjusting a knob; 11. an adjustment assembly.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1 and fig. 2, the magnetic attraction device for keeping an electric cabinet door normally closed comprises a cabinet body 1, an electric cabinet door 2 capable of rotating around a door axis is installed at a cabinet opening of the cabinet body 1, the electric cabinet door 2 is made of iron or made of one of metals capable of being attracted by a magnet, a permanent magnet 3 positioned outside the electric cabinet door 2 is arranged at the front side of the cabinet body 1, the permanent magnet 3 is a square magnet, the permanent magnet 3 is positioned below the electric cabinet door 2, the upper surface of the permanent magnet 3 and the lower surface of the electric cabinet door 2 attract each other, the permanent magnet 3 can also be positioned above the electric cabinet door 2, the electric cabinet door 2 can be attracted by the permanent magnet 3 and rotate around the door axis to close the cabinet opening of the cabinet body 1, the attraction direction of the permanent magnet 3 is perpendicular to the rotation direction of the electric cabinet door 2, the bottom of the electric cabinet door 3 has a certain thickness which is larger than the thickness of the permanent magnet 3, a chute 4 for the permanent magnet 3 to move is arranged at the front end of the cabinet body 1, the sliding groove 4 extends in parallel relative to the lower surface of the electric cabinet door 2, the permanent magnet 3 is indirectly or directly movably mounted in the sliding groove 4, and the permanent magnet 3 is connected with the adjusting component 11 to realize transverse movement parallel to the width direction of the electric cabinet door 2.
As shown in fig. 3, the adjusting assembly 11 includes a mounting plate 5 located at the rear end of the permanent magnet 3 and used for fixedly supporting the permanent magnet 3, the mounting plate 5 is made of iron, or made of one of metals capable of being attracted by a magnet, the adsorption area between the permanent magnet 3 and the mounting plate 5 is larger than that between the permanent magnet 3 and the door frame of the electric cabinet door 2, the cross-sectional shape of the mounting plate 5 is rectangular, the rear end surface of the mounting plate 5 is attached to the bottom of the sliding groove 4, a stroke groove 6 located at the rear side of the sliding groove 4 and communicated with the sliding groove 4 is arranged in the front end wall of the cabinet body 1, the stroke groove 6 penetrates through the front end wall of the cabinet body 1, the stroke groove 6 extends in parallel relative to the lower surface of the electric cabinet door 2, a connecting rod 7 is slidably fitted in the stroke groove 6, a connecting rod 7 is fixedly arranged at the rear end of the mounting plate 5, an extending end of the connecting rod 7 penetrates through the stroke groove 6 and is slidably fitted therewith, the adjusting assembly 11 further includes an adjusting block 8 fixedly arranged at the extending end of the connecting rod 7, the preceding terminal surface of regulating block 8 and the terminal surface laminating of the cabinet body 1, rotate between the end wall about the cabinet body 1 and be provided with accommodate the lead screw 9 that runs through regulating block 8, accommodate the lead screw 9 both ends respectively with the cabinet body 1 about the wall body rotate be connected, accommodate the lead screw 9 one end run through the lateral wall of the cabinet body 1 and set firmly adjust knob 10, adjust knob 10 surface is equipped with anti-skidding line.
In the specific implementation of the embodiment, the electric cabinet door 2 is attracted from the side surface by the permanent magnet 3, so that the electric cabinet door 2 rotates around the door shaft to the state of closing the cabinet opening of the cabinet body 1, thereby keeping the electric cabinet door 2 in a closed state, and the electric cabinet door 2 is attracted from the side surface, so that the resistance for opening the electric cabinet door 2 is small, thereby effectively avoiding the problem that the electric cabinet door 2 is not easy to open due to the overlarge attraction force, when the electric cabinet door 2 needs to be opened, the electric cabinet door 2 can rotate around the door shaft and open by applying a pulling force to the electric cabinet door 2, when the resistance for opening the door needs to be adjusted, the adjusting knob 10 is rotated, thereby driving the adjusting screw 9 to rotate, thereby driving the adjusting block 8 to transversely slide along the adjusting screw 9, the adjusting block 8 can drive the mounting plate 5 to transversely slide through the connecting rod 7, thereby driving the permanent magnet 3 to slide in the chute 4, the permanent magnet 3 is enabled to move towards the direction far away from or close to the door shaft, according to the lever principle, the suction force of the permanent magnet 3 is unchanged, the door shaft is taken as a fulcrum, the moment is smaller when the permanent magnet 3 is closer to the door shaft, and the force required to open the door is smaller, so that when the permanent magnet 3 is closer to the door shaft, the resistance to open the door is smaller, and when the permanent magnet 3 is farther away from the door shaft, the resistance to open the door is larger, so that the resistance to open the door can be adjusted.
The electric cabinet door has the advantages that the electric cabinet door can be normally closed in a side magnetic attraction mode, the adsorption surface of the permanent magnet is gradually reduced in the door opening process, so that the resistance for opening the electric cabinet door is smaller, the opening difficulty of the electric cabinet door can be effectively reduced, the lever effect is formed by the position of the permanent magnet and the door shaft, the resistance for opening the electric cabinet door can be freely adjusted within a certain range, the use by a user is greatly facilitated, and the like.
Claims (10)
1. The utility model provides a keep normally closed magnetism of electric cabinet door and inhale device which characterized in that: including the cabinet body (1), the counter mouth department of the cabinet body (1) installs and to wind door-hinge pivoted electric cabinet door (2), the cabinet body (1) front side is equipped with and is located permanent magnet (3) in the electric cabinet door (2) outside, thereby electric cabinet door (2) can be by permanent magnet (3) attract to revolve around the door-hinge rotation and seal the counter mouth of the cabinet body (1), the suction direction perpendicular to of permanent magnet (3) the rotation direction of electric cabinet door (2), permanent magnet (3) are connected with adjusting part (11) and are realized being on a parallel with electric cabinet door (2) width direction's transverse motion.
2. The magnetic attraction device for keeping the door of the electric cabinet normally closed as claimed in claim 1, wherein: the cabinet body (1) front end has the confession spout (4) that permanent magnet (3) removed, spout (4) for the width direction parallel extension of electricity cabinet door (2), permanent magnet (3) by indirect or direct movable mounting in spout (4).
3. The magnetic attraction device for keeping the door of the electric cabinet normally closed as claimed in claim 2, wherein: adjusting part (11) is including being located permanent magnet (3) rear end just is used for the fixed stay mounting panel (5) of permanent magnet (3), the internal position that has of cabinet body (1) front end wall spout (4) rear side and with stroke groove (6) of spout (4) intercommunication, stroke groove (6) run through the front end wall body of the cabinet body (1), stroke groove (6) for the parallel extension of width direction of electricity cabinet door (2), the internal sliding of stroke groove (6) is furnished with connecting rod (7), mounting panel (5) rear end sets firmly connecting rod (7) that the level extended backward, the extension end of connecting rod (7) runs through stroke groove (6) and rather than sliding fit.
4. The magnetic attraction device for keeping the door of the electric cabinet normally closed as claimed in claim 3, wherein: adjusting part (11) still including set firmly in regulating block (8) of connecting rod (7) extension end, it is provided with between the end wall to rotate about the cabinet body (1) and runs through regulating screw (9) of regulating block (8), the both ends of regulating screw (9) respectively with the wall body rotates about the cabinet body (1) and is connected, the one end of regulating screw (9) runs through the lateral wall of the cabinet body (1) sets firmly adjust knob (10).
5. The magnetic attraction device for keeping an electric cabinet door normally closed according to claim 1, 2, 3 or 4, wherein: the permanent magnet (3) is positioned below the electric cabinet door (2), and the upper surface of the permanent magnet (3) and the lower surface of the electric cabinet door (2) attract each other.
6. The magnetic attraction device for keeping an electric cabinet door normally closed according to claim 1, 2, 3 or 4, wherein: the permanent magnet (3) is a square magnet.
7. The magnetic attraction device for keeping the door of the electric cabinet normally closed as claimed in claim 4, wherein: the front end face of the adjusting block (8) is attached to the end face of the cabinet body (1).
8. A magnetic attraction device for keeping an electric cabinet door normally closed according to claim 3 or 4, characterized in that: the cross-sectional shape of mounting panel (5) is the rectangle, the rear end face of mounting panel (5) with the tank bottom laminating of spout (4).
9. A magnetic attraction device for keeping an electric cabinet door normally closed according to claim 3 or 4, characterized in that: the electric cabinet door (2) and the mounting plate (5) are both made of iron or iron alloy materials.
10. The magnetic attraction device for keeping an electric cabinet door normally closed according to claim 9, characterized in that: the adsorption area of the permanent magnet (3) and the mounting plate (5) is larger than that of the permanent magnet (3) and the door frame of the electric cabinet door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110862002.1A CN113503100A (en) | 2021-07-29 | 2021-07-29 | Magnetic attraction device for keeping normal close of electric cabinet door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110862002.1A CN113503100A (en) | 2021-07-29 | 2021-07-29 | Magnetic attraction device for keeping normal close of electric cabinet door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113503100A true CN113503100A (en) | 2021-10-15 |
Family
ID=78015129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110862002.1A Pending CN113503100A (en) | 2021-07-29 | 2021-07-29 | Magnetic attraction device for keeping normal close of electric cabinet door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113503100A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983538A (en) * | 1959-05-14 | 1961-05-09 | Fletcher Michael Wayne | Magnetic door retainer |
| JP2002271052A (en) * | 2001-03-09 | 2002-09-20 | Ricoh Co Ltd | Mechanism for adjusting force for opening or closing front door |
| DE202005016584U1 (en) * | 2005-10-13 | 2006-01-12 | Miwe Michael Wenz Gmbh | Magnetic locking device for door wing, has one magnet arranged on wing of door in such a way that magnets are shifted parallel to plane of active surface when wing is moved near closed position |
| WO2019159152A1 (en) * | 2018-02-17 | 2019-08-22 | Markus Wolf | Magnetic door end closer and method therefor |
| CN110859433A (en) * | 2019-11-29 | 2020-03-06 | 苏州艾洁瑞五金制品有限公司 | Stainless steel standard cabinet |
| EP3739157A1 (en) * | 2019-05-02 | 2020-11-18 | Viessmann Werke GmbH & Co KG | Door closing system for closing doors and door with such a door closing system |
| CN213661041U (en) * | 2021-02-03 | 2021-07-09 | 国家电投集团江西电力有限公司 | Photovoltaic transformer substation prevents fire door autonomous control device |
-
2021
- 2021-07-29 CN CN202110862002.1A patent/CN113503100A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2983538A (en) * | 1959-05-14 | 1961-05-09 | Fletcher Michael Wayne | Magnetic door retainer |
| JP2002271052A (en) * | 2001-03-09 | 2002-09-20 | Ricoh Co Ltd | Mechanism for adjusting force for opening or closing front door |
| DE202005016584U1 (en) * | 2005-10-13 | 2006-01-12 | Miwe Michael Wenz Gmbh | Magnetic locking device for door wing, has one magnet arranged on wing of door in such a way that magnets are shifted parallel to plane of active surface when wing is moved near closed position |
| WO2019159152A1 (en) * | 2018-02-17 | 2019-08-22 | Markus Wolf | Magnetic door end closer and method therefor |
| EP3739157A1 (en) * | 2019-05-02 | 2020-11-18 | Viessmann Werke GmbH & Co KG | Door closing system for closing doors and door with such a door closing system |
| CN110859433A (en) * | 2019-11-29 | 2020-03-06 | 苏州艾洁瑞五金制品有限公司 | Stainless steel standard cabinet |
| CN213661041U (en) * | 2021-02-03 | 2021-07-09 | 国家电投集团江西电力有限公司 | Photovoltaic transformer substation prevents fire door autonomous control device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211015 |