CN202312200U

CN202312200U - Self-locking fastener structure

Info

Publication number: CN202312200U
Application number: CN201120460036XU
Authority: CN
Inventors: 魏艳军; 李福刚; 尤树仁
Original assignee: TIANJIN NINGHE COUNTY XIANDA FURNITURE CO Ltd
Current assignee: TIANJIN NINGHE COUNTY XIANDA FURNITURE CO Ltd
Priority date: 2011-11-18
Filing date: 2011-11-18
Publication date: 2012-07-11
Anticipated expiration: 2021-11-18

Abstract

The utility model relates to a self-locking fastener structure, which comprises a fastener. The self-locking fastener structure is characterized by also comprising a swing rod, a swing block assembly and a locking block, wherein the swing rod consists of a shaft section part, a buckling pressure plate part and a bent rod part; the swing block assembly consists of a box body, a rotating shaft, a swing block and a torsion spring; the swing block consists of a first swing arm and a second swing arm, the two swing arms extend out of the box body, the first swing arm is positioned on the outer side of the bent rod, the second swing arm is positioned on the outer side of the side wall of a drawer, and the second swing arm is provided with a slot; the extending part of one side of the torsion spring is pressed on the side wall of the box body, and the extending part of the other side of the torsion spring is pressed on the inner lateral surface of the second swing arm; and the locking block is fixedly arranged on the inner wall of a drawer cavity and provided with an angular protrusion. According to the fastener structure, when the drawer is closed, the angular protrusion slides into the slot, so that self-locking of the drawer is realized, and a phenomenon that the drawer slides out of the drawer cavity due to the influence of an external force when the drawer is passively opened is avoided; and when the drawer is opened, the slot is separated from the angular protrusion, and opening of the drawer is not affected. The fastener structure is compact and convenient to operate.

Description

Self-locking attacker structure

Technical field

The utility model relates to the drawer opening structure of stored article class furniture such as table, cabinet, particularly a kind of self-locking attacker structure.

Background technology

At present; On the furniture of family expenses such as table, cabinet or office usefulness, generally all be provided with the drawer of stores; The opening structure of drawer has two types of the handle of exposing and embedded attackers, and wherein embedded attacker is because therefore the occupying volume external space not is specially adapted to less life in space or working environment.Above-mentionedly expose handle and embedded attacker satisfies the unlatching requirement of drawer, but in the drawer chamber, be provided with up and down under the situation of a plurality of drawers arranged side by side, when opening one of them drawer, possibly drive adjacent drawer and open, cause and use inconvenience.In addition, when moving or carry table, cabinet, under the situation that drawer is not locked, can from the drawer chamber, skid off.

Summary of the invention

The utility model provides a kind of compact conformation, easy to operate, the self-locking attacker structure of avoiding drawer when not opening, to skid off in the drawer chamber for solving the technical problem that exists in the known technology.

The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:

A kind of self-locking attacker structure comprises the attacker who is packed on the drawer front end-plate, it is characterized in that: comprise that also the fork that is installed on the attacker, the centering block assembly that is driven by fork reach the latch segment that matches with the centering block assembly; Said fork is the integral molded plastic structure, its by the shaft part part that is rotationally connected with attacker upper end, insert withholding plate portion and partly constitute in attacker's catching groove with knee that shaft part partly is connected; Said centering block assembly by be installed in box body on the drawer front end-plate, be inserted into the rotating shaft on the box body, centering block and the coaxial torsionspring that is located in the centering block that is installed in the rotating shaft constitutes; Said centering block is made up of first swing arm and second swing arm of rectangular distribution, and said two swing arms are all stretched out in box body, and said first swing arm is positioned at the outside of said knee, and said second swing arm is positioned at the outside of drawer side wall, in second swing arm, is shaped on slot; Said torsionspring one side extension is pressed on the sidewall of box body, and the opposite side extension is pressed on the medial surface of second swing arm; Said latch segment is packed on the inwall in drawer chamber, is shaped on the angular protrusions that matches with slot on it.

The technical scheme that the utility model can also be taked is:

Said attacker's both sides, upper end are shaped on left gripper shoe and right gripper shoe respectively, are shaped on U type fluting on the said left gripper shoe, are shaped on installing hole on the said right gripper shoe, and the shaft part of said fork partly is inserted in U type fluting and the installing hole.

The said front end of withholding plate portion is shaped on flange upwards.

Advantage and the good effect that the utlity model has are:

Adopt above-mentioned self-locking attacker structure, when closing drawer, the angular protrusions of latch segment slides in the slot of centering block, realizes the self-locking of drawer, avoids drawer from the drawer chamber, skidded off by the influence of external force; When opening drawer, centering block is clockwise in the effect lower edge rotating shaft of fork, and slot is separated with angular protrusions, does not influence drawer and opens.This self-locking attacker structure is installed on the front end-plate of drawer, has compact conformation, convenience operation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the split structural representation of Fig. 1;

Fig. 3 is the partial enlarged drawing among Fig. 2;

Fig. 4 is the user mode reference diagram of the utility model.

Among the figure: 1, attacker; 1-1, catching groove; 1-2, left gripper shoe; 1-2-1, U type fluting; 1-3, right gripper shoe; 1-3-1, installing hole; 2, fork; 2-1, shaft part part; 2-2, withhold plate portion; 2-3, knee part; 3, latch segment; 3-1, angular protrusions; 4, box body; 5, rotating shaft; 6, centering block; 6-1, first swing arm; 6-2, second swing arm; 6-2-1, slot; 6-3, fluting; 7, torsion spring spring.

The specific embodiment

For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:

See also Fig. 1-4, a kind of self-locking attacker structure comprises the attacker 1 who is packed on the drawer front end-plate, comprises that also the fork 2 that is installed on the attacker, the centering block assembly that is driven by fork reach the latch segment 3 that matches with the centering block assembly.Said fork is the integral molded plastic structure, its by the shaft part part 2-1 that is rotationally connected with attacker upper end, insert withholding plate portion 2-2 and constitute in attacker's catching groove 1-1 with knee part 2-3 that shaft part partly is connected.Said centering block assembly by be installed in box body 4 on the drawer front end-plate, be inserted into the rotating shaft 5 on the box body, centering block 6 and the coaxial torsionspring 7 that is located in the centering block that is installed in the rotating shaft constitutes.Said centering block is made up of the first swing arm 6-1 and the second swing arm 6-2 of rectangular distribution; Said two swing arms are all stretched out in box body; Said first swing arm is positioned at the outside of said knee, and said second swing arm is positioned at the outside of drawer side wall, in second swing arm, is shaped on slot 6-2-1.Said torsionspring one side extension is pressed on the sidewall of box body, and the opposite side extension is pressed on the medial surface of second swing arm.Concrete, be connected with second swing arm middle part at position of above-mentioned first swing arm is shaped on fluting 6-3, and above-mentioned torsionspring is placed in the fluting and is installed in the rotating shaft.Said latch segment is fixed on the inwall in drawer chamber, is shaped on the angular protrusions 3-1 that matches with slot on it.Concrete, angular protrusions can be inserted in the slot.

The shaft part part of above-mentioned fork realizes with adopting the bracing strut that is packed in the attacker upper end being connected of attacker; For improving the compactedness of connecting portion structure, to simplify and install, above-mentioned fork can be directly installed on the attacker; Concrete; Integral body is shaped on left gripper shoe 1-2 and right gripper shoe 1-3 in attacker's both sides, upper end, and said left gripper shoe is provided with U type fluting 1-2-1, and said right gripper shoe is provided with installing hole 1-3-1; Partly be inserted into U type fluting and installing hole through shaft part, can fork be rotatably installed on the attacker fork.

The above-mentioned plate portion of withholding can adopt straight plate structure, opens the reliability of drawer and the comfortableness of operation for raising, and the said front end of withholding plate portion further is shaped on flange upwards, and the front end of promptly withholding plate portion is a V-type bending structure.

The operation principle of the utility model:

When opening drawer; The squeeze buckle clamp portion can make progress when outwards hand being inserted in attacker's the catching groove pulling drawer; Withholding plate portion drives whole fork and outwards swings; The knee of fork partly promotes centering block and clockwise rotates, and then the slot in second swing arm is separated with the angular protrusions on the latch segment, and drawer is pulled out in the drawer chamber the most at last; When closing drawers; The angular protrusions part of latch segment at first promotes centering block and clockwise rotates; When slot on the centering block moved to the angular protrusions position, under the effect of torsionspring, the angular protrusions of latch segment slided in the slot gradually; Centering block is automatically reset, cause drawer after closing, to be in self-locking state.

Claims

1. a self-locking attacker structure comprises the attacker who is packed on the drawer front end-plate, it is characterized in that: comprise that also the fork that is installed on the attacker, the centering block assembly that is driven by fork reach the latch segment that matches with the centering block assembly; Said fork is the integral molded plastic structure, its by the shaft part part that is rotationally connected with attacker upper end, insert withholding plate portion and partly constitute in attacker's catching groove with knee that shaft part partly is connected; Said centering block assembly by be installed in box body on the drawer front end-plate, be inserted into the rotating shaft on the box body, centering block and the coaxial torsionspring that is located in the centering block that is installed in the rotating shaft constitutes; Said centering block is made up of first swing arm and second swing arm of rectangular distribution, and said two swing arms are all stretched out in box body, and said first swing arm is positioned at the outside of said knee, and said second swing arm is positioned at the outside of drawer side wall, in second swing arm, is shaped on slot; Said torsionspring one side extension is pressed on the sidewall of box body, and the opposite side extension is pressed on the medial surface of second swing arm; Said latch segment is packed on the inwall in drawer chamber, is shaped on the angular protrusions that matches with slot on it.

2. according to the said self-locking attacker of claim 1 structure; It is characterized in that: said attacker's both sides, upper end are shaped on left gripper shoe and right gripper shoe respectively; Be shaped on U type fluting on the said left gripper shoe; Be shaped on installing hole on the said right gripper shoe, the shaft part of said fork partly is inserted in U type fluting and the installing hole.

3. according to claim 1 or 2 said self-locking attacker structures, it is characterized in that: the said front end of withholding plate portion is shaped on flange upwards.