CN220212478U

CN220212478U - Locking structure

Info

Publication number: CN220212478U
Application number: CN202321604129.4U
Authority: CN
Inventors: 田茂源
Original assignee: Sichuan Xinmao Plastic Industry Co ltd
Current assignee: Sichuan Xinmao Plastic Industry Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-22
Anticipated expiration: 2033-06-25

Abstract

The utility model provides a locking structure, and relates to the technical field of crib application. The locking structure comprises a base, wherein an accommodating space is formed in the base; the limiting piece is arranged in the accommodating space in a sliding manner; one end of the lifting piece extends into the accommodating space of the base and is connected with the limiting piece; and the connecting pieces are hinged on the side wall of the base and are used for being connected with external parts. The limiting piece forms an unlocking position and a locking position when moving in the accommodating space, and when being positioned at the locking position, the limiting piece is abutted with the connecting piece; when the limiting piece is positioned at the unlocking position, the limiting piece is in abutting joint with the connecting piece. When the locking structure is used, the abutting constraint between the limiting piece and the connecting piece can be released only by driving the lifting piece to move upwards, so that the connecting piece is folded, and the locking structure has the advantages of being simple in structure and convenient to fold.

Description

Locking structure

Technical Field

The utility model relates to the technical field of baby products related to a crib, in particular to a locking structure applied to the crib.

Background

In order to save space and facilitate storage, the crib disclosed in the prior art is usually designed to be foldable, that is, a folding mechanism is arranged between long pipe fittings of the crib, so that the crib is convenient to fold and arrange.

The patent of the baby crib framework described in the publication No. CN214258724U is the situation, but the handle is required to be rotated in the use process to enable the limiting block to be moved away from the bottom of the hinged position of the bottom rod and the chassis, so that the handle can be pulled. When in use, the handle is required to be rotated to fold the folding device, so that the folding process is complex and inconvenient to use.

Disclosure of Invention

The utility model aims to solve the problems, and provides a locking structure which only needs to drive the lifting piece to move towards one end of the elastic piece when in use, so that the limiting piece compresses the elastic piece to fold the connecting piece.

The technical scheme adopted by the utility model is as follows:

a locking structure applied to a bed body, comprising:

the base is internally provided with an accommodating space;

the limiting piece is arranged in the accommodating space in a sliding manner;

one end of the lifting piece extends into the accommodating space of the base and is connected with the limiting piece; and

the connecting pieces are hinged to the side wall of the base and are used for being connected with external parts;

wherein the limiting piece forms an unlocking position and a locking position when moving in the accommodating space, and when the limiting piece is positioned at the locking position (the unfolding state in the embodiment), the limiting piece is abutted with the connecting piece; when the stopper is in the unlock position (the collapsed state in the embodiment), the stopper is released from abutment with the connector.

Optionally, the locking structure further comprises an elastic member;

the elastic piece is positioned in the accommodating space, one end of the elastic piece is abutted against the lower end of the base, and the other end of the elastic piece is abutted against the limiting piece;

the limiting piece can be reset to the locking position from the unlocking position by the elastic piece.

Optionally, the base includes:

the lower end face of the cover plate is provided with a plurality of groups of special-shaped rib plates, the plurality of groups of special-shaped rib plates are enclosed to form a containing space and a mounting groove, and the connecting piece is mounted in the mounting groove; a kind of electronic device with high-pressure air-conditioning system

The hollow body of rod extends downwards from the lower terminal surface of apron, a portion of hollow body of rod is located accommodation space is interior, the locating part slides and sets up on the hollow body of rod.

Optionally, a chute is arranged on the hollow rod body,

and a part of the structure of the limiting part is arranged in the chute in a sliding way.

The sliding groove extends upwards from the lower end face of the hollow rod body to a preset position of the body of the hollow rod body.

Optionally, an opening is formed in the cover plate, and the lifting piece passes through the opening and is connected with the limiting piece.

Optionally, a sliding groove is formed in the hollow rod body, a connecting part is arranged on the limiting piece, and the connecting part penetrates into the sliding groove; the lifting piece passes through the opening and is connected with the connecting part.

Optionally, the limiting member includes:

a sliding part provided with a sliding hole matched with the hollow rod body; and

the positioning part is arranged on the outer side wall of the sliding part and corresponds to each connecting piece;

when the locking structure is in a locking state, the outer side wall of the positioning part is abutted with the inner side wall of the connecting piece.

Optionally, the connecting piece is provided with a hinge part hinged with the base and a mounting part for mounting a bottom rod, and when the hinge part is hinged with the base, one end of the hinge part extends into the accommodating space;

the mounting part is arranged at one end opposite to the hinge part, a height difference is arranged between the hinge part and the mounting part, and the height difference forms a limit opening;

when the locking structure is in a locking state, the limiting opening is abutted with the side wall of the base.

Compared with the prior art, the utility model has the beneficial effects that:

the locking structure only needs to drive the lifting piece to move upwards when in use, and can release the abutting constraint between the limiting piece and the connecting piece, so that the connecting piece is folded, and the locking structure has the advantages of being simple in structure and convenient to fold.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of a full section of a locking structure;

FIG. 2 is a schematic view of a three-dimensional semi-sectional structure of the locking structure;

fig. 3 is an exploded view of the locking mechanism.

FIG. 4 is a schematic view of the structure of the inverted base;

FIG. 5 is a schematic view of the locking mechanism in an unfolded state;

FIG. 6 is a schematic view of the locking structure in a retracted state;

FIG. 7 is a schematic view showing the unfolded configuration of the crib when the locking structure is applied to the crib;

fig. 8 is a schematic view showing a folding structure of the crib when the locking structure is applied to the crib.

Reference numerals:

1. a base; 11. an accommodation space; 12. a cover plate; 121. an opening; 122. profiled rib plates; 13. a mounting groove; 14. a hollow rod body; 141. a chute; 15. a support post;

2. a limiting piece; 21. a sliding part; 22. a sliding hole; 23. a positioning part; 24. an assembly groove; 25. a connection part;

3. an elastic member;

4. a lifting member;

5. a connecting piece; 51. a mounting part; 52. a hinge part; 53. a limit opening;

6. baby crib; 60. a bottom bar; 61. a column; 62. the armrest folding bar.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it should be understood that the terms "center," "horizontal," "top," "bottom," "inner," "outer," "axial," "circumferential," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the product of the present application is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The following provides a number of different embodiments or examples for implementing the different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application.

Embodiments of the present application are described in detail below with reference to the accompanying drawings.

The locking structure disclosed by the embodiment of the application is applied to the crib 6, so that the crib 6 can be conveniently unfolded or folded. It is clear that the locking structure also needs to cooperate with other mechanisms during deployment or retraction of the crib 6, which are not disclosed in the application and are not to be regarded as important, only when an overview of the operation or operation of the locking structure is required for a more clear description.

Fig. 7 is a schematic view of the operation of the locking structure as part of the crib 6. As shown in fig. 7, the locking structure is provided at the lower portion of the crib 6, and is connected to a plurality of bottom rods 60 below the crib 6. The plurality of bottom bars 60, the plurality of upright posts 61, and the plurality of armrest folding bars 62 constitute a frame body of the crib 6. The locking structure as one of the mechanisms of the crib 6 allows the crib 6 to be switched between the unfolded (in-use state when unfolded) and the folded state relatively freely according to the wishes of the operator, such as to shift from the unfolded state shown in fig. 7 to the folded state shown in fig. 8 or vice versa.

Referring to fig. 1 and 2, in particular, the locking structure includes: the base 1, the limiting piece 2, the elastic piece 3, the lifting piece 4, the connecting piece 5 and other main components. The base 1 has a substantially circular outer shape, and a receiving space 11 is formed at a lower portion of the base 1, and the receiving space 11 is used to provide a mounting base for the stopper 2 and the elastic member 3. The limiting piece 2 is accommodated in the accommodating space 11 and can slide up and down in the accommodating space 11, the limiting piece 2 is connected with the lifting piece 4, and when the lifting piece 4 is applied with an external force along the direction of an arrow C1, the limiting piece 2 can move from the space below the broken line B1 to the space above the broken line B1 along a preset path, so that the abutting constraint between the limiting piece 2 and the connecting piece 5 is released. At this time, the connecting piece 5 is not limited by the abutting of the limiting piece 2, and can rotate around the hinge point A2 under the action of external force, so that the crib 6 can be finally folded according to the thought of an operator, and the crib is in the state shown in fig. 7.

Fig. 7 is a schematic structural view of the crib in an unfolded state, and fig. 8 is a schematic structural view of the crib in a folded state. For consistency of description, when the crib is in the unfolded state shown in fig. 7, the state in which the connector 5 is in this time is also referred to herein as the unfolded state; accordingly, when the crib is in the state shown in fig. 8, the state in which the connector 5 is in this time is also referred to herein as a collapsed state. As can be understood from fig. 5 and 6, the connecting member 5 is in an unfolded state, that is, the connecting member 5 is extended outwards about the base 1, and the connecting member 5 is in a folded state, that is, the connecting member 5 is closed towards the center of the base 1 about the hinge point A2. When the connector 5 is in the unfolded state, the outer wall surface 2a of the limiting piece 2 is abutted against the inner wall surface 5a of the connector 5, and at this time, the limiting piece 2 is used for restraining and limiting the connector 5, so that the connector 5 is kept in a substantially horizontal state; when the connecting piece 5 is in the folded state, the outer wall surface 2a of the limiting piece 2 is separated from the inner wall surface 5a of the connecting piece 5, at this time, the constraint between the limiting piece 2 and the connecting piece 5 is released, so that the connecting piece 5 can rotate around the hinge point A2, the connecting piece 5 is close to the center of the base 1, and at this time, the connecting piece 5 is in a substantially vertical state.

In a specific implementation scenario, as shown in fig. 3, the connecting member 5 has a hinge portion 52 hinged to the base 1 and a mounting portion 51 for mounting the bottom bar 60, and when the hinge portion 52 is hinged to the base 1, an end of the hinge portion 52 near the base 1 protrudes into the accommodating space 11. The mounting portion 51 is provided at the other end opposite to the hinge portion 52. The hinge portion 52 and the mounting portion 51 have a height difference therebetween, which forms a limiting opening 53. When the connector 5 is in the unfolded state, the limit opening 53 abuts against the side wall of the base 1 (see fig. 1). The spacing opening 53 formed by the height difference between the hinge portion 52 and the mounting portion 51 is used for spacing in use, so that the rotation angle of the connecting member 5 is the angle between the bottom end surface of the cover plate 12 and the end side wall of the spacing member 2. It will be appreciated that the included angle is at most 90 °.

Referring to fig. 1 and 4, the base 1 is mainly composed of a cover plate 12 and a hollow rod body 14 disposed under the cover plate 12, wherein the cover plate 12 and the hollow rod body 14 may be integrally formed or otherwise connected in a split type such as a screw connection or a welding. The edge of the cover 12 has a bending portion, and when the locking mechanism is in a locked state (in this case, the unfolded state of the crib 6) the bending portion abuts against the upper half portion of the connecting member 5, and the abutting constraint of the limiting member 2 and the connecting member 5 is matched, so that the connecting member 5 is relatively stable and approximately in a horizontal state. The hollow rod body 14 is formed at the center of the cover plate 12 and extends downward from the lower end surface of the cover plate 12, the lower end of the hollow rod body 14 is connected with a support 15 through a connection point A3, and when the crib is in a unfolded state, the lower end surface of the support 15 is in contact with a bearing surface (such as the ground) for supporting the locking mechanism.

The hollow rod 14 is provided with a chute 141 along the length direction thereof, and the stopper 2 has:

a sliding hole 22 for sleeving the limiting piece 2 on the outer peripheral surface of the hollow rod body 14; and

a connecting portion 25 extending in the direction of the inside of the slide hole 22. The limiting piece 2 is slidably arranged on the hollow rod body 14 through the sliding hole 22, meanwhile, the connecting part 25 penetrates into the hollow rod body 14 through the sliding groove 141, the lower end of the lifting piece 4 is connected with the connecting part 25, namely, the lifting piece 4 is connected with the limiting piece 2 through the connecting part 25. When the pulling member 4 is pulled upward in the direction of the arrow C1, the pulling member 4 drives the stopper 2 to move upward in the direction defined by the chute 141. When the positioning portion 23 on the stopper 2 moves substantially to the space above the broken line B1, the outer wall surface 2a of the stopper 2 is separated from the inner wall surface 5a of the connector 5, and at this time, the restraint between the stopper 2 and the connector 5 is released.

The outer peripheral surface of the hollow rod body 14 is provided with an elastic member 3, and the elastic member 3 in the embodiment is a compression elastic member having a preset original shape, and when a force is applied to the elastic member 3, the elastic member can be compressed along the length direction thereof; when the applied external force is removed, it can be restored to the original form.

The upper end of the elastic piece 3 is abutted against the lower surface of the cover plate 12, and the lower end is abutted against the limiting piece 2. When the external force applied to the pulling member 4 is released, the positioning portion 23 of the stopper 2 is automatically moved from the space above the broken line B1 to the space below the broken line B1 by the elastic member 3, that is, restored to the original state of the stopper 2, that is, the state shown in fig. 1.

As can be seen from the structures shown in fig. 1 and 2, when the connecting piece 5 is in the unfolded state, the elastic piece 3 is in the stretched state, and at this time, one end of the limiting piece 2 is abutted against the side wall of the connecting piece 5; when the connecting piece 5 is in the folding state, the lifting piece 4 drives the limiting piece 2 to move towards the cover plate 12, and at the moment, the elastic piece 3 is in the compression state.

In a specific implementation scenario, the elastic member 3 may be a spring, in order to facilitate installation of the spring, the limiting member 2 is provided with an assembling groove 24 at a position close to the lower end of the spring, at this time, a main body portion of the spring is sleeved at the outer peripheral surface of the hollow rod body 14, an upper end of the main body portion abuts against a lower side surface of the cover plate 12, and a lower end of the main body portion of the spring is assembled in the assembling groove 24.

When the locking mechanism is used, the lifting piece 4 is driven to move along the direction of an arrow C1, the limiting piece 2 connected with the lifting piece 4 moves towards the direction of the cover plate 12, the elastic piece 3 is compressed, at the moment, the positioning part 23 on the limiting piece 2 moves from the space below the broken line B1 to the space above the broken line B1, the abutting constraint between the limiting piece 2 and the connecting piece 5 is released, the connecting piece 5 can rotate around the hinge point A2 of the connecting piece, and related parts such as the bottom rod 60 connected with the connecting piece 5 relatively slide towards the central position of the crib 6 in the rotating process. The lock structure moves upward as a whole when the outer parts such as the bottom bar 60 are slid relatively together due to the limitation of the position.

On the contrary, when the connecting piece 5 is unfolded, the whole locking structure moves downwards, at the moment, the connecting piece 5 rotates along the hinge joint, the elastic piece 3 drives the limiting piece 2 to move downwards in the resetting process by means of the elastic piece 3, and when the side wall of the connecting piece 5 is contacted with the side wall of the limiting piece 2, the external parts connected with the connecting piece 5 are completely supported.

In a specific implementation scenario, as shown in fig. 3, a plurality of groups of special-shaped ribs 122 are disposed on the lower end surface of the cover plate 12, and the plurality of groups of special-shaped ribs 122 enclose to form a containing space 11 and a mounting groove 13, where the containing space 11 and the mounting groove 13 are communicated. The hinge point A2 disclosed in the foregoing embodiment is located on the profiled rib 122 constituting the mounting groove 13, so that the connection member 5 can be hinge-mounted in the mounting groove 13.

In a specific implementation scenario, the sliding groove 141 extends from the lower end of the hollow rod 14 to a position in the middle of the hollow rod 14, where the sliding groove 141 is in a substantially open state, as shown in fig. 3. The connecting part 25 on the limiting piece 2 is embedded in the sliding groove 141 from the opening of the sliding groove 141, and as the lower end of the hollow rod body 14 is connected with the supporting column 15, the upper end surface of the supporting column 15 and the upper end surface of the sliding groove 141 jointly limit the length of the sliding groove 141, and the length is the range of the vertical sliding distance of the limiting piece 2. In a sense, the support 15 not only can support, but also can prevent the limiting member 2 from sliding off the rod body 14.

In another embodiment, as shown in fig. 1 to 3, in order to facilitate driving of the pulling member 4, an opening 121 is provided on the cover 12, and the pulling member 4 passes through the opening 121 and then is connected to the connecting portion 25 on the limiting member 2.

In other embodiments, as shown in fig. 1 and 2, the limiting member 2 specifically includes: the sliding part 21 and the positioning part 23, the sliding part 21 is provided with a sliding hole 22 matched with the hollow rod body 14, and the limiting piece 2 is in sliding connection with the hollow rod body 14 through the sliding hole 22. The positioning portion 23 is provided at the circumferential outer side of the sliding portion 21 and corresponds to each of the connectors 5. Wherein, when the connector 5 is in the unfolded state, the positioning part 23 is abutted against the side wall of the connector 5 hinged in the mounting groove 13.

The specific working principle of the locking structure will be described in connection with the crib 6:

the specific structure of the crib 6 can be seen from the crib skeleton described in patent publication No. CN214258724U, and the chassis is similar to the locking structure described in the application. In this application, one end of the bottom rod 60 is connected to the mounting portion 51 of the connecting member 5 through the connection point A1, and during the folding process, the pulling member 4 is pulled upward, so that the stopper 2 connected to the pulling member 4 slides along the hollow rod body 14. The spring sleeved on the hollow rod body 14 is compressed in the sliding process, when the positioning part 23 on the limiting part 2 moves to the space above the broken line B1, the connecting part 5 can rotate around the hinge point A2 under the action of external force, so that the mounting part 51 of the connecting part 5 rotates towards the side far away from the cover plate 12, that is, the plurality of connecting parts 5 are close towards the center of the base 1, and the spring is fully compressed. The connecting piece 5 moves towards one end of the top of the crib 6 in the folding process, at the moment, the bottom rod 60 rotates along the hinge joint of the upright post 61, and the folding grab rail 62 at one end of the top of the crib 6 bends along the folding position of the folding grab rail, so that the crib 6 can be folded. When the baby crib is unfolded, the limiting piece 2 is reset by the aid of the spring, until the outer wall surface 2a of the positioning portion 23 of the limiting piece 2 is abutted against the inner wall surface 5a of the hinge portion 52 of the connecting piece 5, the limiting opening 53 on the connecting piece 5 is abutted against the bottom of the cover plate 12 of the base 1, and therefore the baby crib 6 is unfolded.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and is not intended to limit the present application, but although the present application has been described in detail with reference to the foregoing embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for part of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A locking structure for a bed, comprising:

the base is internally provided with an accommodating space;

the limiting piece is arranged in the accommodating space in a sliding manner;

the limiting piece forms an unlocking position and a locking position when moving in the accommodating space, and when being positioned at the locking position, the limiting piece is abutted with the connecting piece; when the limiting piece is positioned at the unlocking position, the limiting piece is in abutting joint with the connecting piece.

2. The locking structure of claim 1, further comprising an elastic member;

3. The locking structure of claim 1, wherein the base comprises:

4. The locking structure according to claim 3, wherein a chute is provided on the hollow rod body,

5. The locking structure of claim 4, wherein the chute extends upward from the lower end surface of the hollow shaft to a predetermined position of the body of the hollow shaft.

6. A locking arrangement as claimed in claim 3, wherein the cover plate is provided with an opening through which the lifting member is connected to the stop member.

7. The locking structure of claim 6, wherein:

the hollow rod body is provided with a chute, the limiting piece is provided with a connecting part, and the connecting part is penetrated into the chute;

the lifting piece passes through the opening and is connected with the connecting part.

8. A locking arrangement as claimed in claim 3, wherein the stop comprises:

9. The locking structure according to claim 1, wherein the connecting member has a hinge portion hinged to the base and a mounting portion for mounting a bottom bar, one end of the hinge portion extending into the accommodation space when the hinge portion is hinged to the base;