CN2440407Y - foldable playpen - Google Patents

Abstract

The utility model relates to a foldable recreation rail. The foldable game enclosure comprises a support frame which can be unfolded for rest of infants or folded when not in use, wherein the support frame is composed of an upper layer frame, a lower layer frame and a plurality of corner side supports which are combined with the upper layer frame and the lower layer frame, the corner side supports are composed of an inner pipe body and an outer pipe body which are mutually sleeved and can be axially stretched and adjusted in length, and therefore, when the game enclosure is stored, the height of the support frame is reduced, the occupied volume of the game enclosure is smaller, and the storage is more convenient.

Description

foldable playpen

The utility model relates to a foldable playpen, in particular to a playpen whose height can be reduced when not in use, so that the occupied volume is smaller and the playpen is more convenient for storage.

The playpen is an activity space that provides an activity space for infants and young children to play. In US Patent No. 4,811,437 and No. 4,985,948. In the No. 5163191 patent case, the No. 5697111 patent case and the No. 5727465 patent case, various related designs for the game fence (Plavyard) are disclosed, among which in the No. 4811437 patent case, the No. No. 5,727,265 patent further discloses a foldable playpen structure, which can change the shape of its support frame to present an unfolded or folded state when in use.

The structure of the traditional foldable playpen as shown in Figures 1 and 2], it can be seen from the figure that the playpen is basically composed of a support frame and a soft woven cloth pad wrapped on the support frame The support frame is composed of the upper and lower frames, and a plurality of corner brackets; in order to save the volume occupied by the collection, the previous design will have a folding and collapsible structure on the upper and lower frames. The bending mechanism, the upper and lower frames can be folded correspondingly by the bending mechanism, reducing the occupied area (as shown in Figure 3); however, as far as the entire support frame is concerned, although the support frame can be used The upper and lower frames are bent to achieve the effect of reducing the length and width, but the height of the support frame remains unchanged, so that the height occupied by the support frame when it is standing and stored or the length required for lying flat is still insufficient. Therefore, as far as the folding problem is concerned, the traditional playpen still has the above problems.

In view of the above-mentioned problems, the main purpose of this utility model is to provide an improved design that can solve the problem that the height of the aforementioned playpen cannot be effectively reduced during storage, so that it occupies a smaller volume during storage.

In order to achieve the above purpose, the folding playpen of the present invention has a support frame that can be between the unfolded state and the folded state. The support frame includes:

Upper and lower frames, the upper and lower frames are composed of a plurality of brackets and a plurality of corner connectors that connect the brackets to each other;

A plurality of corner side brackets, the corner side brackets are composed of inner and outer pipe bodies that are socketed with each other and can be relatively stretched axially, and the two ends of the corner side brackets are respectively connected with the corresponding corner connectors of the upper and lower frames;

A positioning mechanism, the positioning mechanism is combined with the corner bracket.

The positioning mechanism of the aforesaid foldable playpen includes a catch member for fixing the relative position of the inner and outer pipe bodies, and a catch member for removing the restriction of the catch member to the inner and outer pipe bodies, so that the inner and outer pipe bodies A relatively stretchable release piece.

The catch piece of the aforementioned foldable playpen is composed of an elastic piece arranged in the inner tube body and a positioning convex point arranged on the elastic piece, and the positioning convex point passes through the inner and outer tube bodies at the same time.

A shaft hole and a positioning hole for the positioning convex point to be ejected are provided on the inner and outer tube body of the aforementioned foldable playpen.

The release part of the aforementioned foldable playpen is composed of an elastic body and a top block formed on the inner edges of both ends of the elastic body, which just abuts against the slot hole.

The positioning mechanism of the above-mentioned foldable playpen includes a retractable part combined with the outer tube body, and a locking part for forcing the retractable part to be clamped to the inner tube body.

The folding part of the folding playpen is composed of a plurality of claws with threads formed on the outer edge, and a gap is formed between two adjacent claws; The tapered screw hole.

The threads of the aforementioned foldable playpen are double thread threads. The thread of the aforementioned folding playpen is a three-thread thread.

The folding play fence of the utility model, especially in its supporting frame, is used to set up the frame on the upper and lower frames, and the corner frame which is upright and combined with the corners of the upper and lower frame is designed as a telescopic structure, thereby When the corner bracket is in use, it can be stretched and extended, or its length can be shortened by being folded, so that the height of the support frame is shortened, and the occupied volume is smaller, making storage more convenient.

The detailed description and technical content of the present utility model are described as follows in conjunction with the drawings:

Graphic description:

Figure 1 is a schematic diagram of a three-dimensional appearance of a conventional playpen;

Figure 2 is a schematic diagram of the structure of the support frame of the conventional playpen in the unfolded state;

Figure 3 is a schematic diagram of the structure of the support frame of the conventional playpen in the folded state;

Fig. 4 is a three-dimensional schematic diagram of the utility model;

Fig. 5 is an exploded schematic view of the corner bracket of the present invention;

Figures 6A and 6B are schematic cross-sectional views at the position VI-VI of Figure 4, and their usage status;

Figure 7 is a three-dimensional schematic diagram of another state of the present invention, showing that the corner bracket is fixed at a retracted length by telescopic expansion;

Fig. 8 is another embodiment of the upper frame of the present utility model;

Figure 9 is a schematic diagram of the collapsed state of the upper frame in Figure 8;

Figures 10A and 10B are schematic cross-sectional views of embodiments of the positioning mechanism of the present invention.

Example:

Please also refer to Fig. 4 at the same time], the structure of a support frame 10 of a foldable playpen is disclosed in the figure, as shown in the figure, the support frame 10 is composed of upper and lower frames 11, 12 and a plurality of corner brackets 13, 13' The upper and lower frames 11, 12 are composed of a plurality of brackets 111, 112, 121, 122, and a plurality of corner connectors 113, 123 for connecting the brackets 111, 112, 121, 122 to each other; Connected to the corner connectors 113, 123 corresponding to the upper and lower frames 11, 12, so that the upper and lower frames 11, 12 and the corner brackets 13, 13' form a composite rectangular frame;

The upper and lower frames 11, 12 are respectively equipped with bending mechanisms 114, 124. The bending mechanisms 114, 124 can make the brackets extend horizontally into a straight line, or fold inwards relative to the pivoting through bending, so as to change the length of the support frame or Width: Since the bending mechanisms 114, 124 are common known techniques, and there are many structural shapes that can be used to achieve the bending function of the brackets 111, 112, 121, 122, so they will not be repeated here.

Compared with the traditional structure, the utility model mainly emphasizes the improvements made on the corner bracket 13, as can be seen from the figure, wherein the two ends of the corner bracket 13 are respectively connected to the corresponding upper and lower frames 11 and 12. The corner connectors 113, 123 provide the function of supporting the upper frame 11; and the corner brackets I3 are made of inner and outer tubes 131, 132 that are socketed with each other and can be relatively stretched in the axial direction, and are arranged on each corner bracket 13 There is a positioning mechanism 20 that can make the corner bracket 13 adjust its length, and fix the corner bracket 13 on an extended length and a retracted length.

Please refer to r No. 5, 6 A, 6 B Figures], the positioning mechanism 20 refers to a structure that can adjust the length of the corner bracket 13, and can fix the adjusted length of the corner bracket 13. According to the utility model The disclosed embodiment shows that the positioning mechanism 20 can be composed of a coupling part 21, a latching part 22, and a release part 23 disposed on the coupling part 21; as shown in the figure, the latching part 22 is composed of a The elastic piece 221 in the inner tube body 132, and the positioning protrusions 222, 222 arranged on the outside of the end of the elastic piece 221 and pushed up by the tension of the elastic piece 221, the positioning protrusions 222, 222' can pass through the inner and outer tube bodies 131, 132 at the same time, so that the inner 1. The relative positions of the outer tube bodies 132, 131 are fixed; in order to make the positioning bumps 222, 222' on the front Daka catcher 22 pass through the inner and outer tube bodies 132, 131 at the same time, in practice, the inner and outer tube bodies 132, 131 Matching positioning holes 1321, 1322 and shaft holes 1311 are provided for the positioning bumps 222, 22T to be pushed out.

The aforementioned coupling piece 21 is a member that can be fixed on the outer tube body 131, and the coupling piece Z1 is provided with a perforation 211 that can be placed on the outer edge of the outer tube body 131, and can be placed on the outer tube through the perforation 211 After the predetermined position on the body 131, the bolt 24 is used to force it to be combined with the outer tube body 131; there is a slot 212 on the outer edge of the joint part 21, and the slot 212 is provided with a hole corresponding to the 4-axis hole 1311. Slots 213, 213'; and the release member 23 is formed by an elastic body 231 that can be fitted into the slot 212, and a top block 232, 232' formed on the inner edge of the two ends of the elastic body 231, which just corresponds to the slots 213, 213'. The top blocks 232, 232' can pass through the slot holes 213, 213', and abut against the positioning protrusions 222, 222'; in the normal state, the top blocks 232, 232 are pushed by the positioning protrusions 222, 222', so that the top blocks 232, 232, only Extending into the slots 213, 213', the inner and outer tubes 132, 131 can be limited by the positioning protrusions 222, 222', so that they cannot be stretched and displaced relative to each other; however, once the two sides of the elastic body 231 are pressed inwards by external force , the jacking blocks 232, 232' will force the positioning bumps 222, 222 to move inward, so that the positioning bumps 222, 222' retreat out of the shaft holes 213, 213, and then the inner and outer tube bodies 132, 131 can be relatively stretched and displaced.

With this structure, in order to make the corner bracket 13 according to the use state of the bracket 10, the inner and outer tubes 132, 131 are stretched and fixed at an extended length (as shown in Figure 4) or a retracted length (As shown in Fig. 7), therefore, at least two latching parts 22, 22' must be provided on the inner tube body 132, and the setting positions of these two latching parts 22' are just inside and outside the tube body. 131,132 are stretched to the longest state through stretching, and when in the shortest state, the positioning protrusions 222,222' can just correspond to the shaft holes 213,213', and the positioning protrusions 222,222' are embedded in the shaft holes 213,213', so that the inner and outer The relative positions of the pipe bodies 132, 131 are fixed.

Although the utility model features of the present utility model focus on that the corner bracket 13 is a design that can adjust the length according to the state of use; although the upper frame 11 is not an innovation of the utility model, it is implemented as a whole in order to emphasize its occupancy. The volume can be made smaller, so as shown in Figures 4 and 7] of the upper frame 11, because it is only equipped with a bending mechanism 114 on two corresponding brackets 111, the upper frame 11 can only be folded It is only the length in one direction; therefore, the utility model can also be correspondingly arranged in the other direction in practice, and the two brackets 112 are also matched with a bending mechanism 114' (as shown in Figures 8 and 9) , when the whole is folded, the upper frame 11 can be further reduced, saving storage space.

Please refer to Figs. 10A and 10B], it can be known from the above description that the positioning mechanism 20 mainly provides a structure that can fix the inner and outer tube bodies 131, 132 at an extended length and a retracted length. However, in terms of the scope of implementation, in addition to the structure disclosed above, the following means can also be explored; as shown in the figure, the positioning mechanism 20 can include a collection part combined with the end edge of the outer tube body 131 25, and a locking part 26 that forces the collection part 25 to be clamped to the inner tube body 131; wherein the collection part 25 is formed by a plurality of claw pieces 252, 252' extending from the outer tube body 132, and the outer edge is formed with threads 251 Composed, and a gap 253 is formed between the adjacent two claw pieces 252, 252'; and the aforementioned locking member 26 is formed in the axial direction with a tapered screw hole 261 that can be screwed on the receiving part 25; With this structure, when the locking member 26 is screwed to the thread 251 on the outer edge of the receiving part 25, the deeper the claw piece 252, 252' will be forced to shrink inward due to the smaller diameter of the tapered screw hole 261, so that the claw piece 252, 252' contact friction occurs between the inner surface of the inner tube body 131 and the outer surface of the inner tube body 131, so that the inner tube body 131 is braked by friction resistance and cannot perform telescopic movement relative to the outer tube body 132; unless the locking member 26 is withdrawn from the thread 251 , the claws 252, 252' use the material itself to restore elasticity, so that the contact force between the inner wall of the claws 252, 252' and the inner tube body 131 is reduced, or after it disappears completely, the inner and outer tubes 132 can move relative to each other again, and the angled sides can be changed. The length of the bracket 13.

As an additional note, in the above disclosed embodiments, the thread 251 can be designed as a double thread or a three thread, so that the locking member 26 can be configured to quickly lock and withdraw from the receiving portion 25 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the implementation scope of the present utility model. That is, all equivalent changes and modifications made according to the patent scope of the utility model are covered by the patent scope of the utility model.

Explanation of schematic symbols:

Support frame 10

Upper frame 11

Brackets 111, 112, 121, 122

Corner connectors 113,123

Lower frame 12

Bending mechanism 114,114,124

Corner bracket 13,13'

Inner tube body 131

Outer body 132

Positioning hole 1311,1312

Shaft hole 1321

Positioning mechanism 20

Combination 21

piercing 211

Groove 212

Slot 213,213'

Detent 22,22'

Shrapnel 221

Locating bumps 222,222',

Release 23

Elastomer 231

Top block 232,232’,

Bolt 24

Storage part 25

Thread 251

claw piece 252,252',

Notch 253

Anti-slip sheet 254

Latch 26

Tapered screw hole 261

Claims (9)

1. A foldable playpen with a support frame that can be in an unfolded state and a folded state, characterized in that the support frame includes: The upper and lower frames are composed of a plurality of brackets and a plurality of corner connectors that combine the brackets with each other; A plurality of corner side brackets, the corner side brackets are composed of inner and outer pipe bodies that are socketed with each other and can be relatively stretched axially, and the two ends of the corner side brackets are respectively connected with the corresponding corner connectors of the upper and lower frames; A positioning mechanism, the positioning mechanism is combined with the corner bracket. 2. The foldable playpen according to claim 1, characterized in that the positioning mechanism includes a latch for fixing the relative position of the inner and outer tubes, and a latch for releasing the latch from the inner and outer tubes. The restriction of the pipe body enables the inner and outer pipe bodies to be relatively stretchable release parts. 3. The foldable playpen according to claim 2, characterized in that the engaging member is composed of an elastic piece placed in the inner tube body and a positioning convex point arranged on the elastic piece, and the positioning convex point simultaneously passes through the Pass the inner and outer tubes. 4. The foldable playpen according to claim 3, characterized in that the inner and outer tubes are provided with shaft holes and positioning holes for the positioning protrusions to be pushed out. 5. The foldable playpen according to claim 3, wherein the releasing member is composed of an elastic body, and a top block formed on the inner edges of both ends of the elastic body, which just abuts against the slot hole. 6. The foldable playpen according to claim 1, wherein the positioning mechanism includes a retractable part combined with the outer tube body, and a latch for forcing the retractable part to be clamped to the inner tube body pieces. 7. The foldable playpen according to claim 1, characterized in that the receiving part is composed of a plurality of claws with threads formed on the outer edge, and a gap is formed between two adjacent claws, and the locking member has A tapered screw hole that can be screwed on the receiving part. 8. The foldable playpen according to claim 7, wherein the thread is a double thread. 9. The foldable playpen according to claim 7, wherein the thread is a three-thread thread.

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