CN2587259Y

CN2587259Y - Bottom folding mechanism for foldable bed

Info

Publication number: CN2587259Y
Application number: CN 02258503
Authority: CN
Inventors: 沈海东
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2002-11-14
Filing date: 2002-11-14
Publication date: 2003-11-26
Anticipated expiration: 2012-11-14

Abstract

The utility model relates to a chassis folding mechanism for a folding bed. The utility model comprises a chassis < 11 >, a first horizontal stay rod < 3 >, a second horizontal stay rod < 12 >, and other horizontal stay rod < 20 >, wherein, the chassis < 11 > extends downwards, forming a lower guide device < 21 > of the chassis. A slide rod < 15 > is connected in a slide mode with the lower guide device < 21 >. Both ends of a first connecting rod < 2 > are respectively connected in a pivoting mode with the lower part of the slide rod < 15 > and the first horizontal stay rod < 3 >. Both ends of a second connecting rod < 2 > are respectively connected in a pivoting mode with the lower part of the slide rod < 15 > and the second horizontal stay rod < 12 >. A locking mechanism is arranged between the slide rod < 15 > and the chassis < 11 >. The utility model has the advantages of high rigidity, high stability, small volume after the utility model is folded, small stress for the locking mechanism and reliable locking. In addition, the end of the horizontal stay rod can be maintained to be short.

Description

The chassis fold mechanism of folding bed

Technical field

The utility model relates to the chassis fold mechanism of a kind of folding bed, particularly folding bed.

Background technology

The chassis fold mechanism of folding bed, comprise the chassis, first singletree that one end and chassis are pivotally connected, second singletree that one end and chassis are pivotally connected, other singletree that one end and chassis are pivotally connected, first singletree, can fold or open between second singletree and the chassis, under open mode, first singletree, be provided with locking mechanism between second singletree and the chassis, this locking mechanism is positioned at the inner end of singletree, promptly be positioned at one section singletree end towards the center chassis extension at the place that is rotationally connected on singletree and chassis, this singletree end can not be oversize, oversize meeting causes the volume after folding of chassis fold mechanism excessive, but too weak point then causes this end stressed excessive, make locking mechanism damage easily, and fault can occur locking.

Summary of the invention

The purpose of this utility model is to provide a kind of chassis fold mechanism of folding bed, and it has reliable locking mechanism.

The technical solution of the utility model is: a kind of chassis fold mechanism of folding bed, comprise the chassis, first singletree that one end and chassis are pivotally connected, second singletree that one end and chassis are pivotally connected, other singletree that one end and chassis are pivotally connected, described chassis extends to form guider under the chassis downwards, a slide bar and described guider down are slidingly connected, the both ends of a first connecting rod are pivotally connected with the bottom of first singletree and slide bar respectively, the both ends of second connecting rod are pivotally connected with the bottom of second singletree and slide bar respectively, are provided with the locking mechanism that is used to lock slide bar and chassis between the upper end of described slide bar and the chassis.

The utility model compared with prior art has following advantage:

Be in the lock state down at locking mechanism, make good rigidly of the present utility model, good stability by connecting rod, slide bar, singletree and stable triangle that the chassis constituted, and the end of singletree can be stayed shortlyer, makes that the volume after of the present utility model the folding is less; Locking mechanism is arranged between slide bar and the chassis, locking mechanism stressed little, locking is reliable.

Description of drawings

Accompanying drawing 1 is the main cutaway view of the utility model under open mode;

Accompanying drawing 2 is the B-B direction cutaway view of accompanying drawing 1;

Accompanying drawing 3 is the main cutaway view of the utility model under folded state;

Accompanying drawing 4 is the D-D direction cutaway view of accompanying drawing 3; Wherein:

[1], first connecting rod lower rotary shaft; [2], first connecting rod; [3], first singletree; [4], rotating shaft on the first connecting rod; [5], the first singletree rotating shaft; [6], lock pin briquetting; [7], lock pin; [8], handle; [9], handle rotating shaft; [10], guiding surface; [11], chassis; [12], second singletree; [13], lock pin spring; [14], second connecting rod; [15], slide bar; [16], second connecting rod lower rotary shaft; [17], connector; [18], the second singletree rotating shaft; [19], rotating shaft on the second connecting rod; [20], other singletree; [21], guider under the chassis;

The specific embodiment

Referring to accompanying drawing, a kind of chassis fold mechanism of folding bed, comprise chassis [11], first singletree [3] that one end and chassis [11] are pivotally connected, second singletree [12] that one end and chassis [11] are pivotally connected, many other singletrees [20] that one end and chassis [11] are pivotally connected, described chassis [11] extends to form guider under the chassis [21] downwards, a slide bar [15] and described guider [21] down are slidingly connected, the both ends of a first connecting rod [2] are pivotally connected with the bottom of first singletree [3] and slide bar [15] respectively, the both ends of a second connecting rod [14] are pivotally connected with the bottom of second singletree [12] and slide bar [15] respectively, in accompanying drawing 1 and the accompanying drawing 3, be fixed with connector [17] in the bottom of slide bar [15], the bottom of the bottom of described first connecting rod [2] and second connecting rod [14] is pivotally connected with this connector [17] respectively.Be provided with the locking mechanism that is used to lock slide bar [15] and chassis [11] between the upper end of described slide bar [15] and chassis [11], after the locking mechanism locking, the utility model is in open mode, and this moment, the relative position of slide bar and chassis [11] was locked; After the locking mechanism release, the utility model can fold, and can slide relatively between the guider [21] under this moment slide bar and the chassis.

Referring to accompanying drawing 1 and accompanying drawing 3, the guiding inner chamber that described guider [21] down has an edge to extend perpendicular to the horizontal plane direction, described slide bar [15] is inserted in the described guiding inner chamber, and described locking mechanism is that the upper end of slide bar [15] is provided with the flexible lock pin [7] that inserts chassis [11] under lock-out state.

As shown in Figures 1 and 2, be in the lock state down at locking mechanism, the outer wall of the protruding slide bar of described lock pin [7] [15], slide bar this moment [5] can not slide in the inner chamber of following guider [21]; Shown in accompanying drawing 3 and accompanying drawing 4, under locking mechanism was in released state, described lock pin [7] is the outer wall of retraction slide bar [15] inwardly, and slide bar this moment [5] can slide in the inner chamber of following guider [21].

Be provided with the lock pin spring [13] of U-shaped in the inner chamber of described slide bar [15], two lock pins [7] are arranged at respectively on the described lock pin spring [13], are in the lock state down at locking mechanism, and lock pin [7] passes the lockpin hole on slide bar [15] wall.

Described locking mechanism also comprises the handle [8] that is arranged at top, chassis [11], handle [8] is pivotally connected by handle rotating shaft [9] with chassis [11], described handle [8] extends to form lock pin briquetting [6] downwards, the face of this lock pin briquetting [6] towards the end of lock pin [7] is guiding surface [10], be under the state of setting at handle [8], described guiding surface [10] is pressed on the outer end of lock pin [7], within the outer wall of lock pin [7] retraction slide bar this moment [15].When upwards digging handle [8], guiding surface [10] on the lock pin briquetting [6] of handle [8] other end rotates and oppresses the outer end of lock pin [7], make in lock pin [7] the retraction slide bar [15], then slide bar [15] enters released state from lock-out state, and slide bar [15] can slide in the inner chamber of following guider [21].

Claims

1, a kind of chassis fold mechanism of folding bed, comprise chassis [11], first singletree [3] that one end and chassis [11] are pivotally connected, second singletree [12] that one end and chassis [11] are pivotally connected, other singletree [20] that one end and chassis [11] are pivotally connected, it is characterized in that: described chassis [11] extend to form guider under the chassis [21] downwards, a slide bar [15] and described guider [21] down are slidingly connected, the both ends of a first connecting rod [2] are pivotally connected with the bottom of first singletree [3] and slide bar [15] respectively, the both ends of a second connecting rod [14] are pivotally connected with the bottom of second singletree [12] and slide bar [15] respectively, are provided with the locking mechanism that is used to lock slide bar [15] and chassis [11] between the upper end of described slide bar [15] and chassis [11].

2, the chassis fold mechanism of folding bed according to claim 1, it is characterized in that: the guiding inner chamber that described guider [21] down has an edge to extend perpendicular to the horizontal plane direction, described slide bar [15] is inserted in the described guiding inner chamber, and described locking mechanism is that the upper end of slide bar [15] is provided with the flexible lock pin [7] that inserts chassis [11] under lock-out state.

3, the chassis fold mechanism of folding bed according to claim 2, it is characterized in that: be in the lock state down at locking mechanism, the outer wall of the protruding slide bar of described lock pin [7] [15], under locking mechanism was in released state, described lock pin [7] is the outer wall of retraction slide bar [15] inwardly.

4, the chassis fold mechanism of folding bed according to claim 2, it is characterized in that: be provided with lock pin spring [13] in the inner chamber of described slide bar [15], two lock pins [7] are arranged at respectively on the described lock pin spring [13], be in the lock state down at locking mechanism, lock pin [7] passes the lockpin hole on slide bar [15] wall.

5, the chassis fold mechanism of folding bed according to claim 2, it is characterized in that: described locking mechanism also comprises the handle [8] that is arranged at top, chassis [11], handle [8] is pivotally connected by handle rotating shaft [9] with chassis [11], described handle [8] extends to form lock pin briquetting [6] downwards, the face of this lock pin briquetting [6] towards the end of lock pin [7] is guiding surface [10], be under the state of setting at handle [8], described guiding surface [10] is pressed on the outer end of lock pin [7], within the outer wall of lock pin [7] retraction slide bar this moment [15].