CN111955967B

CN111955967B - Drawer capable of preventing internal articles from falling

Info

Publication number: CN111955967B
Application number: CN202010876062.4A
Authority: CN
Inventors: 陈军涛
Original assignee: Century Jingtai Furniture Tangshan Co Ltd
Current assignee: Century Jingtai Furniture Tangshan Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-12-14
Anticipated expiration: 2040-08-25
Also published as: CN111955967A

Abstract

The invention provides a drawer capable of preventing internal articles from falling, which belongs to the technical field of drawers and comprises a telescopic piece and a toothed plate section, wherein a rotating piece is arranged on the telescopic piece in a rotating mode, driven ratchet gears are symmetrically connected to the left side and the right side of the rotating piece, a driving ratchet gear is correspondingly arranged on one side, opposite to the driven ratchet gear, of the driven ratchet gear, a conversion assembly is sleeved on each of the driven ratchet gears and the driving ratchet gears, a conversion shaft is connected to the toothed plate section in a meshed mode, a movable toothed plate is connected to the conversion shaft in a meshed mode, and a driving piece is connected to the movable toothed plate in a meshed mode. This drawer that prevents inside article and drop drives the driving piece through the change shaft under the restriction of pinion rack section, combines the pinion rack strip to pass through the conversion subassembly and drives and rotate the piece to inside effectively preventing that inside article from falling into the casing in the space between drawer and the shell, avoided influencing the normal switch of drawer because of article drop, can reduce the degree that the casket body takes place to incline simultaneously, very big improvement the convenience that the drawer used.

Description

Drawer capable of preventing internal articles from falling

Technical Field

The invention relates to the technical field of drawers, in particular to a drawer capable of preventing internal articles from falling.

Background

The drawer is a box-shaped component which can be drawn on furniture such as a desk, a cabinet and the like and is used for containing articles, the main structure of the drawer is provided with a shell, a rail and a box body with an opening at the upper part, the height of a drawer side plate, namely the height of the box body, is limited in a normative way according to the design size and the specification of the drawer, namely, the maximum value of the height of the drawer side plate is equal to the clearance height of the installed drawer minus the upper installation minimum clearance and the lower installation minimum clearance, the upper installation minimum clearance is sixteen millimeters, and the lower installation minimum clearance is five millimeters, so that a certain clearance is reserved between the common drawer and the upper part of the shell.

In the use of daily life reality, often can take place that the drawer is inside to deposit too much because of the thing, when twitching the drawer, can lead to article to fall into the casing from the space of drawer the inside, influence the normal switch of drawer, can't close even, simultaneously because of the space is less, be difficult to again take out the article that drop to just can take out article as for needs dismantle the drawer, seriously influence the convenience that people used.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a drawer for preventing internal articles from falling down, which is achieved by the following specific technical means:

a drawer for preventing internal articles from falling comprises a shell, a slide rail and a box body, wherein the box body is inserted in the shell in a sliding manner through the slide rail, an extensible member is movably inserted on the back surface of the box body, a rotating member is rotatably arranged on the extensible member, driven ratchet gears are symmetrically connected to the left side and the right side of the rotating member, a driving ratchet gear is correspondingly arranged on one side of the driven ratchet gear opposite to the driving ratchet gear, conversion assemblies are respectively sleeved on the driven ratchet gear and the driving ratchet gear, a connecting gear is connected between the conversion assemblies in a meshing manner, the opposite conversion assemblies are rotatably connected to the rotating member, rotating shafts are fixedly connected to the opposite conversion assemblies respectively, each conversion assembly comprises a conversion gear and a ratchet member, the ratchet members are slidably connected to the conversion gears and are respectively meshed with the corresponding driving ratchet gear and the corresponding driven ratchet gear, the rotating shafts are rotatably connected to the extensible member, and the rotating shafts are meshed with driving rods, the lower extreme of actuating lever passes the extensible member in proper order and casket body meshing is connected with the rack bar strip, and rack bar strip fixed connection is in the top of slide rail, the equal fixedly connected with rack segment in below of slide rail, and the meshing is connected with the change-over spindle on the rack segment, and the change-over spindle passes the casket body and rotates and peg graft on the extensible member, and the meshing is connected with movable rack plate on the part that is located the extensible member, and the meshing is connected with the driving piece on the movable rack plate, and driving piece fixed connection is on the extensible member.

Preferably, the rotating part is a cylindrical rubber brush, and the rotating part is rotatably embedded in the upper surface of the telescopic part, so that the friction force of the contact surface of the rotating part and the box body is reduced, the elasticity of a barrier for blocking articles from falling off formed by the rotating part and the telescopic part is increased, and the applicability of the device is better.

Preferably, the telescopic member is U-shaped, and the width of the upper part of the telescopic member is not less than the distance between the blind cartridge and the inner side surface of the upper part of the housing, so that the area of the telescopic member occupied in the cartridge is relatively reduced, and the cartridge is improved.

Preferably, the driven ratchet gear and the driving ratchet gear are both fixedly connected to the rotating member, and the ratchet directions of the driven ratchet gear and the driving ratchet gear are opposite to each other.

Preferably, the length of pinion rack section corresponds with the distance that rotates piece and casing upper portion medial surface, and the pinion rack section passes through the switching shaft promptly and drives the distance of driving piece upward movement and be not more than the distance of rotating piece and casing upper portion medial surface, prevents that the too big striking of driving piece movement distance from hindering the normal activity of casket body on the casing.

Preferably, the movable rack plate is horizontally and slidably connected in the telescopic piece, and the movable rack plate and the driving piece are mutually vertically meshed and connected together.

The invention has the following beneficial effects:

1. this drawer that prevents inside article and drop, drive the driving piece of meshing perpendicularly on the rack bar under the restriction of pinion rack section through the change-over spindle, thereby make the extensible member from the internal rebound of casket, combine the rack bar to pass through initiative ratchet wheel and the driven ratchet wheel that the actuating lever drove the interior correspondence of conversion subassembly, make and rotate the piece and remain anticlockwise rotary motion all the time, thereby effectively prevent inside article from falling into the casing in the space between drawer and the shell, avoided dropping because of article and influencing the normal switch of drawer, need dismantle the condition that gets off the drawer even, very big improvement the convenience that the drawer type used, be convenient for more to the use of drawer.

2. This prevent drawer that inside article dropped, the fulcrum of a prevention is formed through rotating piece and extensible member, when the drawer appears leading to the casket body to take place the slope because of the focus skew in opening the process, through the timely support of dwang and extensible member at casing upper portion medial surface, form a fulcrum point, give a reverse power of casket body, can reduce the degree that the casket body takes place the slope, thereby effectively reduce the interior article of one-tenth drawer and from the condition that falls out in front because of the slope, the convenience that the drawer used has further been improved.

Drawings

FIG. 1 is a front cross-sectional structural view of the present invention.

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention.

FIG. 3 is an enlarged view of B of FIG. 1 according to the present invention.

Fig. 4 is a view illustrating a coupling relationship between the driven ratchet gear and the switching assembly according to the present invention.

Fig. 5 is a structural view illustrating a connection relationship between the driving ratchet gear and the switching member according to the present invention.

FIG. 6 is a block diagram of the connection between the tooth plate segment and the driving member according to the present invention.

In the figure: 1. a housing; 2. a slide rail; 3. a case body; 4. a telescoping member; 5. a rotating member; 6. a driven ratchet gear; 7. a driving ratchet gear; 8. a conversion component; 81. a switching gear; 82. a ratchet member; 9. a connecting gear; 10. a rotating shaft; 11. a drive rod; 12. a rack bar; 13. a toothed plate segment; 14. a conversion shaft; 15. a movable rack plate; 16. a drive member.

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. 1-6, a drawer for preventing articles inside from falling comprises a housing 1, a slide rail 2 and a box 3, wherein the box 3 is slidably inserted into the housing 1 through the slide rail 2, an extendable member 4 is movably inserted into the back of the box 3, the extendable member 4 is U-shaped, the width of the upper portion of the extendable member is not less than the distance between the box 3 and the inner side of the upper portion of the housing 1, the area of the box 3 occupied by the extendable member 4 is relatively reduced, and the box 3 is further improved, a rotating member 5 is rotatably disposed on the extendable member 4, the rotating member 5 is a cylindrical rubber brush, the rotating member 5 is rotatably inserted into the upper surface of the extendable member 4, the friction force between the rotating member 5 and the contact surface of the box 3 is reduced, the elasticity of the rotating member 5 and the extendable member 4 forming a barrier for preventing articles from falling is increased, the applicability is better, the left side and the right side of the rotating member 5 are symmetrically connected with driven ratchet gears 6, the opposite side of the driven ratchet gear 6 is correspondingly provided with a driving ratchet gear 7, the driven ratchet gear 6 and the driving ratchet gear 7 are respectively sleeved with a conversion component 8, the driven ratchet gear 6 and the driving ratchet gear 7 are both fixedly connected to the rotating component 5, the ratchet directions of the driven ratchet gear 6 and the driving ratchet gear 7 are opposite to each other, a connecting gear 9 is meshed between the conversion components 8, the opposite conversion components 8 are rotatably connected to the rotating component 5, the opposite conversion components 8 are both fixedly connected with a rotating shaft 10, the conversion components 8 comprise a conversion gear 81 and a ratchet component 82, the ratchet component 82 is slidably connected to the conversion gear 81, the ratchet component 82 is respectively meshed with the corresponding driving ratchet gear 7 and the driven ratchet gear 6, the rotating shaft 10 is rotatably connected to the telescopic component 4, the rotating shaft 10 is meshed with a driving rod 11, the lower end of the driving rod 11 sequentially penetrates through the telescopic component 4 and the box body 3 to be meshed with a toothed lath 12, the rack bar strip 12 is fixedly connected above the slide rail 2, the rack plate sections 13 are fixedly connected below the slide rail 2, the rack plate sections 13 are engaged and connected with the conversion shaft 14, the conversion shaft 14 penetrates through the box body 3 and is rotatably inserted on the telescopic part 4, and the part positioned in the telescopic part 4 is engaged and connected with a movable rack plate 15, the movable rack plate 15 is engaged and connected with a driving part 16, the length of the toothed plate section 13 corresponds to the distance between the rotating part 5 and the inner side surface of the upper part of the shell 1, that is, the toothed plate section 13 drives the distance of the upward movement of the driving piece 16 through the conversion shaft 14 to be not more than the distance of the inner side surface of the upper part of the rotating piece 5 and the upper part of the shell 1, so that the excessive impact of the movement distance of the driving piece 16 on the shell 1 is prevented, the box body 3 is blocked from normal movement, the driving piece 16 is fixedly connected onto the telescopic piece 4, the movable toothed plate 15 is horizontally slidably connected into the telescopic piece 4, and the movable toothed plate 15 and the driving piece 16 are mutually vertically meshed and connected together.

The working principle is as follows: the drawer for preventing the internal articles from falling off is in a closed state initially, when people pull the drawer, the conversion shaft 14 inserted in the box body 3 is driven to move outwards, the conversion shaft 14 rotates clockwise under the action of the toothed plate section 13 which is meshed with the conversion shaft 14 and fixedly connected below the sliding rail 2, the rotation of the conversion shaft 14 drives the movable toothed plate 15 meshed with the conversion shaft to horizontally slide outwards, the movable toothed plate 15 horizontally slides to drive the driving piece 16 vertically meshed with the movable toothed plate 15 to move upwards, so that the telescopic piece 4 moves upwards from the box body 3 to shield most of gaps between the back of the box body 3 and the inner side surface of the upper part of the shell 1, then the toothed plate bar 12 fixedly connected above the sliding rail 2 drives the driving rod 11 to rotate, the driving rod 11 drives the conversion gear 81 fixedly connected on the rotating shaft 10 to rotate through the rotating shaft 10, when the conversion gear 81 fixedly connected on the rotating shaft 10 rotates anticlockwise, the ratchet piece 82 drives the driving ratchet gear 7 to rotate, the driving ratchet gear 7 drives the rotating piece to rotate anticlockwise, at the moment, the driven ratchet gear 6 also rotates anticlockwise, and the conversion gear 81 drives the conversion gear 81 on the driven ratchet gear 6 to rotate clockwise through the connecting gear 9. according to the principle of ratchet one-way driving, the conversion gear 81 rotates clockwise and does not conflict with the corresponding driven ratchet gear 6 to rotate anticlockwise, when the conversion gear 81 fixedly connected to the rotating shaft 10 rotates clockwise, according to the principle of ratchet one-way driving, the conversion gear 81 does not drive the driving ratchet gear 7 to rotate at the moment, but drives the conversion gear 81 on the driven ratchet gear 6 to rotate anticlockwise through the connecting gear 9, the conversion gear 81 drives the driven ratchet gear 6 to rotate anticlockwise through the ratchet piece 82 on the conversion gear 81, thereby realizing that no matter whether the drawer is pulled outwards to open or pushed inwards to close, rotate 5 and remain anticlockwise rotation motion throughout, through rotating 5 anticlockwise rotation and giving an outside thrust of article that is close to rotate 5, with under the cooperation of extensible member 4, can effectually prevent that the article in the casket body 3 from dropping from the space and getting into inside the casing 1, avoided influencing the normal switch of drawer because of article drop, need dismantle the condition that gets off the drawer even, very big improvement the convenience that the drawer type used, be convenient for more to the use of drawer.

In addition, through rotating the fulcrum that a rotation 5 and extensible member 4 formed a prevention, when the drawer appeared because of the focus skew leads to casket 3 to be located the outside part of casing and takes place the downward sloping, the casket 3 that is located the part in casing 1 upwards slopes, through timely the support at casing 1 upper portion medial surface of dwang 5 and extensible member 4 this moment, form a fulcrum point, give casket 3 a reverse power, can reduce the degree that casket 3 takes place the slope, thereby effectively reduce the condition that article fall out from the front because of the slope in becoming the drawer, the convenience that the drawer used has further been improved.

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 prevent drawer that inside article dropped, includes casing (1), slide rail (2) and casket body (3), casket body (3) are pegged graft in casing (1) through slide rail (2) slip, its characterized in that: the box body (3) is movably inserted with a telescopic part (4) on the back surface, the telescopic part (4) is rotatably provided with a rotating part (5), the left side and the right side of the rotating part (5) are symmetrically connected with driven ratchet gears (6), one side of the driven ratchet gears (6) opposite to each other is correspondingly provided with a driving ratchet gear (7), the driven ratchet gears (6) and the driving ratchet gears (7) are respectively sleeved with a conversion component (8), a connecting gear (9) is meshed between the conversion components (8), the opposite conversion components (8) are rotatably connected on the rotating part (5), the opposite conversion components (8) are respectively and fixedly connected with a rotating shaft (10), each conversion component (8) comprises a conversion gear (81) and a ratchet part (82), the ratchet parts (82) are slidably connected on the conversion gear (81), and the ratchet parts (82) are respectively meshed with the corresponding driving ratchet gears (7) and the corresponding driven ratchet gears (6), the rotating shaft (10) is rotatably connected to the telescopic piece (4), the rotating shaft (10) is meshed with a driving rod (11), the lower end of the driving rod (11) sequentially penetrates through the telescopic piece (4) and the box body (3) to be meshed with a rack bar (12), the rack bar (12) is fixedly connected above the sliding rail (2), rack sections (13) are fixedly connected below the sliding rail (2), a conversion shaft (14) is meshed with the rack sections (13), the conversion shaft (14) penetrates through the box body (3) to be rotatably inserted into the telescopic piece (4), a movable rack plate (15) is meshed with a part positioned in the telescopic piece (4), a driving piece (16) is meshed with the movable rack plate (15), and the driving piece (16) is fixedly connected to the telescopic piece (4); the driven ratchet gear (6) and the driving ratchet gear (7) are fixedly connected to the rotating part (5), and the ratchet directions of the driven ratchet gear (6) and the driving ratchet gear (7) are opposite to each other;

when the ratchet mechanism is used, the toothed plate strip (12) fixedly connected above the sliding rail (2) drives the driving rod (11) to rotate, the driving rod (11) drives the conversion gear (81) fixedly connected on the rotating shaft (10) to rotate through the rotating shaft (10), when the conversion gear (81) fixedly connected on the rotating shaft (10) rotates anticlockwise, the driving ratchet gear (7) is driven to rotate through the ratchet piece (82), the driving ratchet gear (7) drives the rotating piece to rotate anticlockwise, at the moment, the driven ratchet gear (6) also rotates anticlockwise, and the conversion gear (81) drives the conversion gear (81) on the driven ratchet gear (6) to rotate clockwise through the connecting gear (9), and the conversion gear (81) rotates anticlockwise and does not conflict with the corresponding driven ratchet (6) due to the principle of ratchet unidirectional driving, when the conversion gear (81) fixedly connected with the rotating shaft (10) rotates clockwise, according to the principle of ratchet wheel one-way driving, the conversion gear (81) can not drive the driving ratchet gear (7) to rotate, but drive the conversion gear (81) on the driven ratchet gear (6) to rotate anticlockwise through the connecting gear (9), the conversion gear (81) drives the driven ratchet gear (6) to rotate anticlockwise through the ratchet piece (82) on the conversion gear, thereby realizing that the drawer is opened by drawing outwards or closed by pushing inwards, the rotating piece (5) always keeps rotating anticlockwise, an outward pushing force is provided for an article close to the rotating piece (5) by the anticlockwise rotation of the rotating piece (5), under the matching of the telescopic piece (4), the article in the box body (3) is prevented from falling into the shell (1) from a gap, and the normal opening and closing of the drawer are prevented from being influenced by the falling of the article, even the drawer needs to be detached, so that the convenience of drawer type use is greatly improved, and the drawer can be used more conveniently.

2. The drawer for preventing the falling of the inner articles as claimed in claim 1, wherein: the rotating piece (5) is a cylindrical rubber brush, and the rotating piece (5) is rotatably embedded in the upper surface of the telescopic piece (4).

3. The drawer for preventing the falling of the inner articles as claimed in claim 1, wherein: the telescopic piece (4) is U-shaped, and the width of the upper part of the telescopic piece is not less than the distance between the blind case (3) and the inner side surface of the upper part of the shell (1).

4. The drawer for preventing the falling of the inner articles as claimed in claim 1, wherein: the length of the toothed plate section (13) corresponds to the distance between the rotating part (5) and the inner side face of the upper part of the shell (1), namely, the distance that the toothed plate section (13) drives the driving part (16) to move upwards through the conversion shaft (14) is not more than the distance between the rotating part (5) and the inner side face of the upper part of the shell (1).

5. The drawer for preventing the falling of the inner articles as claimed in claim 1, wherein: the movable rack plate (15) is horizontally and slidably connected into the telescopic piece (4), and the movable rack plate (15) and the driving piece (16) are mutually vertically meshed and connected together.