CN111743330A

CN111743330A - Take safety device's heat preservation drawer limiting mechanism

Info

Publication number: CN111743330A
Application number: CN202010673346.3A
Authority: CN
Inventors: 徐望; 卜漫; 吴米米; 江百寿
Original assignee: Jiaxing Senchuang Home Furnishing Co ltd
Current assignee: Taizhou Tongxiang Pipe Co.,Ltd.
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-10-09
Anticipated expiration: 2040-07-14
Also published as: CN111743330B

Abstract

The invention relates to the technical field of drawers and discloses a heat-preservation drawer limiting mechanism with a safety device, which comprises a box body and a drawer, wherein two box body side plates are fixedly connected to two sides of the box body, two drawer side plates are fixedly connected to two sides of the drawer, a drawer front plate is fixedly connected to the front surface of the drawer, a circle of iron bar frame is fixedly connected to the outer side of the drawer front plate, a magnetic gauge stand is fixedly connected to the inner part of the drawer front plate, and two cast irons with symmetrical centers are fixedly connected to the inner part of the magnetic gauge stand. This take safety device's heat preservation drawer limiting mechanism uses through the cooperation of magnetism gauge stand, ironbar frame and ironbar to reach the fixed drawer that inserts in the box completely and sealed effect, used through the cooperation of slip separation blade, slider mechanism, conducting strip, motor, gear and rack, thereby reached and prevented that violently take out or the safety device of closing is difficult for causing the effect of accidental injury.

Description

Take safety device's heat preservation drawer limiting mechanism

Technical Field

The invention relates to the technical field of drawers, in particular to a heat-preservation drawer limiting mechanism with a safety device.

Background

Chinese patent CN107485197A introduces a thermal insulation drawer, but its locking subassembly that is used for fixed drawer to make its sealed is comparatively complicated, has increased manufacturing cost, and its strop cord structure is taken out easily, if child violently takes out the drawer when opening the locking subassembly, child can fall back with the tendency, if the drawer takes out to drop and still can pound child and cause the secondary injury, does not have the security performance.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a heat-preservation drawer limiting mechanism with a safety device, which has the advantages of simple structure and low cost of a sealing device, and has the advantages of preventing accidental injury caused by the safety device which is violently pulled out or closed, and solves the problems that a locking component for fixing a drawer to seal the drawer is complex, the production cost is increased, a sliding cable structure of the drawer is easy to pull out, when a child violently pulls out the drawer when the locking component is opened, the child can lean backwards and fall down, and the child can be hit to cause secondary injury if the drawer is pulled out and dropped, and the safety performance is not available.

(II) technical scheme

In order to realize the purposes that the sealing device has simple structure and low cost and is provided with a safety device which is violently drawn out or closed and is not easy to cause accidental injury, the invention provides the following technical scheme: a heat-preservation drawer limiting mechanism with a safety device comprises a box body and a drawer, wherein two box body side plates are fixedly connected to two sides of the box body, two drawer side plates are fixedly connected to two sides of the drawer, a drawer front plate is fixedly connected to the front surface of the drawer, a circle of iron bar frame is fixedly connected to the outer side of the drawer front plate, a magnetic gauge stand is fixedly connected to the inner portion of the drawer front plate, two cast irons with symmetrical centers are fixedly connected to the inner portion of the magnetic gauge stand, a non-magnetizer is fixedly connected to the side surface of each cast iron, a magnetic soft iron is fixedly connected to the side surface of each non-magnetizer, a magnet bar is slidably connected to the surface of each magnetic soft iron, a knob is fixedly connected to the front surface of each magnet bar, two safety devices which are parallel are fixedly connected to the inner portions of the box body side plates, a sliding separation blade is arranged inside each safety device, the interior fixedly connected with conducting strip of safety device, the interior fixedly connected with motor of safety device, the outside fixedly connected with gear of motor, the fixed surface of drawer curb plate is connected with two parallel racks.

Preferably, the drawer can be inserted into the box body; the top of the magnetic gauge stand is in contact with the iron bar frame; when the drawer is completely inserted into the box body, the box body is contacted with the iron bar frame, and the contact part is provided with the iron bar.

Preferably, the cast iron is U-shaped, the open parts of the two U-shaped cast irons are opposite, the non-magnetizer is arranged between the two cast irons, and a cylindrical inner cavity is formed between the two cast irons; the magnetic soft iron is cylindrical, and a cylindrical inner cavity is formed in the magnetic soft iron; the magnetic soft iron is matched with an inner cavity formed by the cast iron and the non-magnetizer and is separated by the non-magnetizer; the magnet strip is arranged in a cylindrical inner cavity of the magnetic soft iron, two ends of the magnet strip are matched with the inner cavity, and the magnet strip is connected with the inner cavity in a sliding manner; the knob is provided with a pointer, the movement track of the knob is the same as that of the magnet strip, and the pointer of the knob is perpendicular to the magnet strip.

Preferably, the two side panels of the box body are parallel to each other, the safety devices are respectively positioned at the top and the bottom of the side panels of the box body, and the safety devices are four in two pairs and are parallel to each other.

Preferably, the safety device is internally provided with an inner cavity, the number of the sliding separation blades is four, the sliding separation blades are attached to the inner cavity, the sliding separation blades are conductive and enclose a circle, the circle is filled with electrorheological fluid, and the electrorheological fluid is mainly composed of solid particles with high dielectric constant uniformly dispersed in insulating oil with low dielectric constant.

Preferably, the number of the sliding block mechanisms is four, the top and the bottom of each sliding block mechanism are provided with four balls and are in contact with the balls, grooves are formed in the positions, in contact with the balls, of the sliding block mechanisms and are matched with the balls, the other ends of the balls are in contact with the sliding retaining pieces, and the four balls are parallel in pairs; the surface of the sliding block mechanism is provided with a connecting rod, and the sliding block mechanism is fixedly connected with the sliding separation blade through the connecting rod.

Preferably, the outer surface of the sliding blocking piece is also provided with a connecting rod, the sliding blocking piece is fixedly connected with the toothless part of the rack through the connecting rod, one end of the conducting strip is contacted with the sliding blocking piece, the other end of the conducting strip is provided with a conducting wire, the motor is provided with a conducting wire, and the conducting strip is connected with the motor through the conducting wire.

Preferably, the gear is engaged with the rack.

(III) advantageous effects

Compared with the prior art, the invention provides a heat-preservation drawer limiting mechanism with a safety device, which has the following beneficial effects:

1. this take safety device's heat preservation drawer limiting mechanism uses through the cooperation of magnetism gauge stand, ironbar frame and ironbar to reach fixed drawer and the sealed effect of inserting in the box completely, made the thing of putting into wherein can keep warm for a longer time, and its simple structure, low cost has reduced people's purchase cost, has improved the sales volume.

2. The heat-preservation drawer limiting mechanism with the safety device has the advantages that the sliding blocking piece, the sliding block mechanism, the conducting strip, the motor, the gear and the rack are used in a matched mode, and therefore the effect that the safety device which is violently pulled out or closed is not prone to accidental injury is achieved. The damage caused by violently drawing out or closing the drawer when the child in the family plays is avoided, and the safety performance of the drawer is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention when the drawer is inserted;

FIG. 3 is a schematic view of a partial structure of the iron bar frame portion according to the present invention;

FIG. 4 is a schematic view of a magnetic watch base according to the present invention;

FIG. 5 is a schematic side view of the present invention;

FIG. 6 is a schematic top view of the safety device of the present invention;

FIG. 7 is an enlarged view of portion A of the present invention;

FIG. 8 is an enlarged view of part B of the present invention;

fig. 9 is a schematic side view of the drawer inserted in the present invention.

In the figure: 1. a box body; 2. a drawer is drawn; 3. a box body side plate; 4. a drawer side plate; 5. a drawer front plate; 6. an iron bar frame; 7. a magnetic watch base; 8. casting iron; 9. a non-conductive magnet; 10. magnetic soft iron; 11. a magnet bar; 12. a knob; 13. a safety device; 14. a sliding catch; 15. a slider mechanism; 16. a conductive sheet; 17. a gear; 18. a motor; 19. a rack.

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.

Referring to fig. 1-9, referring to fig. 1-4, a thermal insulation drawer limiting mechanism with a safety device includes a box 1 and a drawer 2, two side plates 3 are fixedly connected to two sides of the box 1, two side plates 4 are fixedly connected to two sides of the drawer 2, a front drawer plate 5 is fixedly connected to a front surface of the drawer 2, a ring of iron frame 6 is fixedly connected to an outer side of the front drawer plate 5, and the drawer 2 can be inserted into the box 1 as shown in fig. 2; the top of the magnetic gauge stand 7 is contacted with the iron bar frame 6; when the drawer 2 is completely inserted into the box body 1, the box body 1 is contacted with the iron bar frame 6, and the contact part is provided with an iron bar;

a magnetic gauge stand 7 is fixedly connected inside the drawer front plate 5, two cast irons 8 which are centrosymmetric are fixedly connected inside the magnetic gauge stand 7, a non-magnetizer 9 is fixedly connected to the side surface of each cast iron 8, a magnetic soft iron 10 is fixedly connected to the side surface of each non-magnetizer 9, a magnet strip 11 is slidably connected to the surface of each magnetic soft iron 10, and a knob 12 is fixedly connected to the front surface of each magnet strip 11;

the cast iron 8 is U-shaped, the open parts of the two U-shaped cast irons 8 are opposite, the non-magnetizer 9 is arranged between the two cast irons 8, and a cylindrical inner cavity is formed between the two cast irons 8; the magnetic soft iron 10 is cylindrical and has a cylindrical inner cavity inside; the magnetic soft iron 10 is matched with an inner cavity formed by the cast iron 8 and the non-magnetizer 9 and is separated by the non-magnetizer 9; the magnet strip 11 is arranged in a cylindrical inner cavity of the magnetic soft iron 10, two ends of the magnet strip 11 are matched with the inner cavity, and the magnet strip 11 is connected with the inner cavity in a sliding manner; the knob 12 is provided with a pointer, the movement track of the knob 12 is the same as that of the magnet strip 11, and the pointer of the knob 12 is perpendicular to the magnet strip 11; the cast iron 8 has paramagnetic property, the magnet with stronger magnetism of the magnet strip 11, when the pointer of the knob 12 is horizontal, the magnetism of the magnetic gauge stand 7 is minimum, the drawer 2 can be drawn, when the pointer of the knob 12 is vertical, the magnetism of the magnetic gauge stand 7 is maximum, the drawer 2 and the iron strips of the contact part of the box body 1 and the iron strip frame 6 attract each other, and can not be drawn, and the heat preservation drawer limiting mechanism with the safety device is sealed;

referring to fig. 5-9, two parallel safety devices 13 are fixedly connected inside the box body side plate 3, the two box body side plates 3 are parallel to each other, the safety devices 13 are respectively positioned at the top and the bottom of the box body side plate 3, and two pairs of the safety devices 13 are four in number and parallel to each other; a sliding baffle 14 is arranged in the safety device 13, the sliding baffle 14 is formed into a circle, the circle is filled with electrorheological fluid, the electrorheological fluid is mainly formed by uniformly dispersing solid particles with high dielectric constant in insulating oil with low dielectric constant, the sliding baffle 14 can prevent the electrorheological fluid from splashing, a sliding block mechanism 15 is arranged in the sliding baffle 14, a conducting strip 16 is fixedly connected in the safety device 13, a motor 18 is fixedly connected in the safety device 13, a gear 17 is fixedly connected on the outer side of the motor 18, and two parallel racks 19 are fixedly connected on the surface of the drawer side plate 4;

an inner cavity is formed in the safety device 13, the number of the sliding blocking pieces 14 is four, the sliding blocking pieces 14 are attached to the inner cavity, the number of the sliding block mechanisms 15 is four, four balls are arranged at the top and the bottom of each sliding block mechanism 15 and are in contact with the balls, grooves are formed in the positions, in which the sliding block mechanisms 15 are in contact with the balls, and are matched with the balls, the other ends of the balls are in contact with the sliding blocking pieces 14, and the four balls are parallel to each other; the surface of the sliding block mechanism 15 is provided with a connecting rod, and the sliding block mechanism 15 is fixedly connected with the sliding blocking piece 14 through the connecting rod; the outer surface of the sliding baffle 14 is also provided with a connecting rod, the sliding baffle 14 is fixedly connected with the toothless part of the rack 19 through the connecting rod, one end of the conducting strip 16 is contacted with the sliding baffle 14, the other end of the conducting strip 16 is provided with a conducting wire, the motor 18 is provided with a conducting wire, the conducting strip 16 is connected with the motor 18 through the conducting wire, and the gear 17 is meshed with the rack 19.

The working process and principle of the heat preservation drawer limiting mechanism with the safety device are that initially, as shown in figure 2, a knob 12 is in a vertical state, a magnet strip 11 is in a horizontal state because the magnet strip 11 is perpendicular to the knob 12, the magnetic soft iron 10 is magnetized at the moment, the magnetism is maximum at the moment, because the iron strip frame 6 is connected with a magnetic gauge stand 7, the iron strip frame 6 is also magnetized, the iron strip at the contact part of a box body 1 and the iron strip frame 6 is attracted tightly, and the heat preservation drawer limiting mechanism with the safety device is sealed at the moment.

When the knob 12 is rotated to enable the pointer of the knob 12 to be horizontal, the magnet strip 11 is vertical, at the moment, the magnetic induction line formed by the magnet strip 11 is closed in the magnetic soft iron 10, the magnetic soft iron 10 is not magnetized, the iron strip frame 6 is not magnetized, the iron strip at the contact part of the box body 1 and the iron strip frame 6 loses the attraction force, and at the moment, the drawer 2 can be pulled.

The process of pumping the drawer 2 is shown in fig. 9 and fig. 5, the rack 19 arranged on the drawer 2 moves along with the drawer, the rack 19 drives the gear 17 to rotate, the gear 17 rotates to drive the motor 18 to operate, the motor 18 starts to generate electricity, if the force is too strong at this time, the pumping speed is too high, the moving speed of the rack 19 is too high, the gear 17 driven by the rack 19 rotates too high, the motor 18 operates quickly, the generated energy is large, the generated electricity is transmitted to the conducting strip 16 through the conducting wire, the conducting strip 16 is transmitted to the sliding baffle 14, the sliding baffle 14 transmits electrorheological fluid which is circled by the sliding baffle 14, the electrorheological fluid is electrified, the larger the electrified electricity is, the larger the resistance of the electrorheological fluid is, the larger the resistance is, the slider mechanism 15 is subjected to, when the current is large to a certain degree, the electrorheological fluid is changed from liquid to solid, the slider mechanism 15 is blocked and cannot move at this time, thereby achieving the, the same applies when advancing the drawer 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take safety device's heat preservation drawer limiting mechanism, includes box (1), drawer (2), its characterized in that: two side plates (3) of the box body (1) are fixedly connected with two side plates of the box body, two side plates (4) of the drawer (2) are fixedly connected with two side plates of the drawer, a front plate (5) of the drawer is fixedly connected with the front surface of the drawer (2), a coil of iron bar frame (6) is fixedly connected with the outer side of the front plate (5), a magnetic gauge stand (7) is fixedly connected with the inner part of the front plate (5), two centrosymmetric cast irons (8) are fixedly connected with the inner part of the magnetic gauge stand (7), a non-magnetic conductive body (9) is fixedly connected with the side surface of the cast iron (8), a magnetic soft iron (10) is fixedly connected with the side surface of the non-magnetic conductive body (9), a magnet strip (11) is slidably connected with the surface of the magnetic soft iron (10), a knob (12) is fixedly connected with the front surface of the magnet strip (11), two parallel safety devices (13) are fixedly connected with the inner part of the side, the inside of safety device (13) is equipped with slip separation blade (14), the inside slider mechanism (15) that is equipped with of slip separation blade (14), the inside fixedly connected with conducting strip (16) of safety device (13), the inside fixedly connected with motor (18) of safety device (13), the outside fixedly connected with gear (17) of motor (18), the fixed surface of drawer curb plate (4) is connected with two parallel racks (19).

2. The insulated drawer restraint with safety feature of claim 1, wherein: the drawer (2) can be inserted into the box body (1); the top of the magnetic gauge stand (7) is in contact with the iron bar frame (6); when the drawer (2) is completely inserted into the box body (1), the box body (1) is contacted with the iron bar frame (6), and the contact part is provided with the iron bar.

3. The insulated drawer restraint with safety feature of claim 1, wherein: the cast iron (8) is U-shaped, the open parts of the two U-shaped cast irons (8) are opposite, the non-magnetizer (9) is arranged between the two cast irons (8), and a cylindrical inner cavity is formed between the two non-magnetizers; the magnetic soft iron (10) is cylindrical, and a cylindrical inner cavity is formed in the magnetic soft iron; the magnetic soft iron (10) is matched with an inner cavity formed by the cast iron (8) and the non-magnetizer (9) and is separated by the non-magnetizer (9); the magnet strip (11) is arranged in a cylindrical inner cavity of the magnetic soft iron (10), two ends of the magnet strip (11) are matched with the inner cavity, and the magnet strip (11) is connected with the inner cavity in a sliding manner; the knob (12) is provided with a pointer, the movement tracks of the knob (12) and the magnet strip (11) are the same, and the pointer of the knob (12) is perpendicular to the magnet strip (11).

4. The insulated drawer restraint with safety feature of claim 1, wherein: the box body side plates (3) are two and parallel to each other, the safety devices (13) are respectively positioned at the top and the bottom of the box body side plates (3), and the safety devices (13) are four in two pairs and parallel to each other.

5. The insulated drawer restraint with safety feature of claim 1, wherein: the safety device is characterized in that an inner cavity is formed in the safety device (13), the number of the sliding separation blades (14) is four, the sliding separation blades (14) are attached to the inner cavity, the sliding separation blades (14) are conductive and enclose into a circle, electrorheological fluid is filled in the circle, and the electrorheological fluid is mainly formed by uniformly dispersing solid particles with high dielectric constant in insulating oil with low dielectric constant.

6. The insulated drawer restraint with safety feature of claim 1, wherein: the number of the sliding block mechanisms (15) is four, four balls are arranged at the top and the bottom of each sliding block mechanism (15) and are in contact with the balls, grooves are formed in the positions, in which the sliding block mechanisms (15) are in contact with the balls, and are matched with the balls, the other ends of the balls are in contact with the sliding blocking pieces (14), and the four balls are parallel in pairs; the surface of the sliding block mechanism (15) is provided with a connecting rod, and the sliding block mechanism (15) is fixedly connected with the sliding blocking piece (14) through the connecting rod.

7. The insulated drawer restraint with safety feature of claim 1, wherein: the outer surface of the sliding blocking piece (14) is also provided with a connecting rod, the sliding blocking piece (14) is fixedly connected with the toothless part of the rack (19) through the connecting rod, one end of the conducting strip (16) is mutually contacted with the sliding blocking piece (14), the other end of the conducting strip (16) is provided with a conducting wire, the motor (18) is provided with a conducting wire, and the conducting strip (16) is connected with the motor (18) through the conducting wire.

8. The insulated drawer restraint with safety feature of claim 1, wherein: the gear (17) is meshed with the rack (19).