Opening and closing support and baby crib

Abstract

The utility model discloses an opening and closing support and a baby crib, and belongs to the field of supports, the opening and closing support comprises a middle connecting piece, and the middle connecting piece comprises a connecting part, a vertical pipe and a first sliding piece; a first through hole is formed in the vertical pipe; the connecting part is fixed at the top of the vertical pipe; the first sliding piece is movably arranged on the vertical pipe in a sleeving manner; the placement block is fixed in the vertical pipe, and a pin shaft capable of achieving stretching and retracting is installed in the placement block; the first connecting rod is hinged to the connecting part; two ends of the connecting piece are respectively hinged to the first connecting rod and the first slider. The baby crib comprises an opening and closing support. The device further comprises an upper frame, a second hinge seat, a plurality of vertical supporting rods and a net cover which correspond to the opening and closing support up and down. According to the opening and closing support and the baby crib, in the process that the sliding piece moves up and down along the vertical pipe, the first connecting rods can rotate around the hinged positions of the first connecting rods and the sliding piece, and the opening and closing process of the support is achieved; the baby crib can be unfolded and folded through the opening and closing support.

Description

Technical Field

[0001] The utility model relates to the technical field of brackets, in particular to an opening and closing bracket and a baby crib. Background Art

[0002] Folding products, such as tents and cribs, often require the bracket to be opened and closed to achieve the folding function. During this process, the support rods around the bracket must be adjusted or retracted, making the opening and closing process complex and tedious, often requiring the assistance of multiple people before and after use. Utility Model Content

[0003] The utility model provides an opening and closing bracket and a baby crib, aiming to solve the installation problem caused by the distribution of the shunt pipes in the prior art in the background technology.

[0004] In order to achieve the above purpose, the present invention adopts the following scheme:

[0005] 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole, the at least one shoe insert comprises a through-hole, and a screw bolt comprises a through-hole. The two foot pieces comprise a through-hole, a screw bolt, and a nut.

[0006] Furthermore, it also includes a connecting body, a slider, and a second sliding member; two partitions are provided in the placement block, and a first placement groove is formed between the two partitions, the slider is provided in the first placement groove, and the second through hole is located on one side of the first placement groove; the pin shaft is fixed to the end of the slider and can extend out of the second through hole, and one side surface of the slider is set as a first inclined surface; the second sliding member is provided in the placement block, and the second sliding member includes a connecting block and a guide rail fixed under the connecting block; one side surface of the guide rail is set as a second inclined surface; the connecting block is connected to one end of the connecting body; when the connecting body moves up and down, the first inclined surface fits into the second inclined surface and moves, so that the slider moves in the first placement groove in the horizontal direction, so that the pin shaft is accommodated in the second through hole or extends from the second through hole.

[0007] Furthermore, a first limiting plate is provided at the bottom end of the guide rail of the second sliding member, and the second sliding member moves upward until the first limiting plate contacts the partition.

[0008] Furthermore, a spherical protrusion is provided at the bottom end or both ends of the connector; a first receiving groove is provided on one side of the connecting block, and the spherical protrusion at the bottom end of the connector is clamped in the first receiving groove.

[0009] Furthermore, the connecting part includes a connecting plate and a star-shaped connector fixedly connected to the connecting plate, the star-shaped connector includes a connecting tube located in the middle and connecting grooves distributed in a star shape around the connecting tube; the first connecting rod is hinged to the connecting groove; a support seat is provided between two adjacent connecting grooves hinged to the first connecting rod; the support seat is fixedly connected to the connecting plate; and also includes a support rod; the support rod includes a fixedly connected cross bar and a vertical rod, wherein the cross bar is hinged to the connecting groove.

[0010] Furthermore, the first sliding member includes a ring mounted on the vertical tube and a plurality of extension blocks circumferentially fixed to the outer surface of the ring; the connecting plates are grouped in pairs and are respectively arranged on both sides of the first connecting rod, and the connecting plates are hinged to the extension blocks.

[0011] A baby crib comprises an opening and closing bracket; further comprising an upper frame corresponding to the opening and closing bracket above and below, a second hinge seat, a plurality of vertical support rods and a mesh cover; one end of the first connecting rod is hinged to the second hinge seat; the mesh cover is sleeved on the upper frame and the opening and closing bracket; the upper frame is enclosed by the upper connecting rod, the support member and the first hinge seat to form a closed polygon; one end of the upper connecting rod is connected to the support member, and the other end is connected to the first hinge seat; both ends of the vertical support rod are respectively connected to the first hinge seat and the second hinge seat.

[0012] Furthermore, the support member includes two support plates and a fixing plate connecting the tops of the two support plates; a first slot and a second slot are symmetrically provided on both sides of the support plate, the first slot is linear, and the second slot includes a horizontal section and an inclined section; a first frame rod and a second frame rod are transversely passed through the end of the upper connecting rod, the first frame rod moves along the first slot, and the second frame rod moves along the second slot; when the angle between adjacent upper connecting rods is 0° or 180°, the first frame rod presses against the end of the first slot, and the second frame rod presses against the end of the horizontal section in the second slot; when the angle between adjacent upper connecting rods is 0°-180°, the first frame rod moves along the first slot, and the second frame rod moves along the inclined section of the second slot.

[0013] Furthermore, the upper connecting rod is a second connecting rod and a third connecting rod arranged up and down; the adjacent ends of the second connecting rod are mounted on the support member through the first frame rod and the second frame rod; the bottom of the support member is also symmetrically provided with an axial hole, and the end of the third connecting rod is penetrated by a third frame rod, and the third frame rod passes through the axial hole so that the third connecting rod can be rotatably connected to the support member.

[0014] Furthermore, a covering shell is provided at the bottom of the first articulated seat, and the covering shell wraps or partially wraps the vertical support rod or the outer side of the mesh cover; and a roller is provided at the bottom of the second articulated seat.

[0015] Compared with the existing technology, the utility model has the following advantages:

[0016] 1. When the sliding member moves up and down along the vertical tube, the multiple first connecting rods can rotate around the hinged joints with the sliding member to realize the opening and closing process of the bracket.

[0017] 2. During the opening and closing process of the opening and closing bracket, the sliding part is limited by a pin shaft passing through the vertical tube. The pin shaft can be extended and retracted to achieve the function of limiting the position of the sliding part and unlocking the limit. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the overall structure of an opening and closing bracket provided by an embodiment of the utility model.

[0020] Figure 2 yes Figure 1 Enlarged view of part A in the middle.

[0021] Figure 3 This is the first perspective diagram of the overall structure of the middle connector.

[0022] Figure 4 This is the second perspective of the overall structural diagram of the middle connector.

[0023] Figure 5 This is a top view of the middle connector.

[0024] Figure 6 yes Figure 5 Middle AA section view.

[0025] Figure 7 yes Figure 6 Schematic diagram of changing status.

[0026] Figure 8 yes Figure 5 Middle BB cross-sectional view and state change diagram.

[0027] Figure 9 This is a schematic diagram of the combined structure of the slider and the second sliding member from a first viewing angle.

[0028] Figure 10 This is a second viewing angle of the schematic diagram of the combined structure of the slider and the second sliding member.

[0029] Figure 11 It is a schematic diagram of the slider structure.

[0030] Figure 12 This is a schematic diagram of the second sliding member structure from a first viewing angle.

[0031] Figure 13 This is a second viewing angle of the schematic diagram of the second sliding member structure.

[0032] Figure 14 This is the first perspective diagram of the overall structure of the crib.

[0033] Figure 15 This is the second perspective of the overall structural diagram of the crib.

[0034] Figure 16 yes Figure 15 Enlarged view of part B in the middle.

[0035] Figure 17 This is a third-person perspective diagram of the overall structure of a baby crib (without a cloth cover).

[0036] Figure 18 It is a schematic diagram of the overall structure of the baby crib during the storage process.

[0037] Figure 19 This is a schematic diagram of the overall structure of the crib after it is fully stored.

[0038] Description of main component symbols:

[0039] 1. Central connector; 11. Connecting portion; 111. Connecting plate; 112. Star connector; 113. Connecting pipe; 114. Connecting groove; 12. Vertical pipe; 121. First through hole; 122. Sealing plug; 13. First sliding member; 131. Collar; 132. Extension block; 14. Connecting piece; 15. Support seat; 16. Support rod; 161. Crossbar; 162. Vertical rod;

[0040] 2. Receiving block; 21. Pin; 211. Second through hole; 22. Connecting body; 221. Spherical protrusion; 23. Sliding block; 231. First inclined surface; 24. Second sliding member; 241. Connecting block; 242. Guide rail; 243. Second inclined surface; 244. First limiting plate; 245. First receiving groove; 25. Partition plate; 251. First receiving groove;

[0041] 3. First connecting rod;

[0042] 4. Upper frame; 41. Upper connecting rod; 411. Second connecting rod; 412. Third connecting rod; 42. Support member; 421. Support plate; 422. Fixing plate; 423. First slot; 424. Second slot; 425. First support rod; 426. Second support rod; 427. Axis hole; 428. Third support rod; 43. First hinge seat; 431. Covering shell;

[0043] 5. Second hinged seat;

[0044] 6. Vertical support rod;

[0045] 7. Roller. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0047] Example

[0048] Refer to the accompanying drawings, such as Figures 1-13As shown, a retractable bracket includes a central connector 1, a placement block 2, and multiple first connecting rods 3. Specifically, the central connector 1 includes a connecting portion 11, a vertical tube 12, and a first sliding member 13. A first through hole 121 is formed in the wall of the vertical tube 12, and a sealing plug 122 is provided at the bottom of the vertical tube 12. The sealing plug 122 can be a rubber plug or a plastic plug and is detachably or fixedly connected to the vertical tube 12. The connecting portion 11 is fixed to the top of the vertical tube 12. Specifically, the connecting portion 11 includes a connecting disk 111 and a star-shaped connector 112 fixedly connected to the connecting disk 111. The star-shaped connector 112 includes a connecting tube 113 located in the middle and connecting grooves 114 distributed in a star shape around the connecting tube 113. Multiple first connecting rods 3 are circumferentially distributed around the central connector, and one end of the first connecting rod 3 is hinged to the connecting portion 11. Specifically, the first connecting rod 3 is hinged to the connecting groove 114. As shown in the figure, four first connecting rods 3 are used as an example. Each group of two first connecting rods 3 is located at the diagonal lines of the rectangle. To strengthen the connection between the star connector 112 and the connecting plate 2, a support base 15 is provided between two adjacent connecting slots 114 hinged to the first connecting rods 3. The support base 15 is fixedly connected to the connecting plate 111.

[0049] Furthermore, when the retractable bracket is deployed, it requires some support or auxiliary support, so a support rod 16 is also provided. The support rod 16 is generally L-shaped and includes a fixedly connected horizontal rod 161 and a vertical rod 162, wherein the horizontal rod 161 is hinged to the connection slot 114. Based on this, taking the two support rods 16 in this application as an example, during the opening and closing process of the retractable bracket, the horizontal rod 161 is always hinged to the connection slot 114, while the vertical rod 162 has its bottom contact with the ground when the retractable bracket is fully deployed, providing support.

[0050] The first sliding member 13 is movably mounted on the vertical tube 12. Specifically, the first sliding member 13 includes a collar 131 mounted on the vertical tube 12 and a plurality of extension blocks 132 circumferentially fixed to the outer surface of the collar 131. The opening and closing bracket also includes a plurality of connecting plates 14. One end of the connecting plate 14 is hinged to the first connecting rod 3, and the other end is connected to the first sliding member 13. Specifically, the connecting plates 14 are grouped in twos and are respectively arranged on both sides of the first connecting rod 3, and the connecting plates 14 are hinged to the extension blocks 132. During the opening and closing process of the opening and closing bracket, the first connecting rod 3 rotates around the hinged position of the first sliding member 13 and the extension blocks 132, and as the first sliding member 13 moves up and down, the first connecting rod 3 can produce a contraction process in the lateral direction, so that the first connecting rod 3 can generally complete the lateral contraction and the opening and closing process of the longitudinal height change.

[0051] The opening and closing bracket also includes a mounting block 2, which is fixed to the interior of the vertical tube 12. A retractable pin 21 is installed within the mounting block 2. A second through-hole 211 is provided in the mounting block 2; when the pin 21 is retracted within the mounting block 2, the first sliding member 13 can move up and down along the vertical tube 12. When the pin 21 extends out of the first through-hole 121 through the second through-hole 211, the first sliding member 13 is positioned above or below the pin 21. The specific position of the first sliding member 13 relative to the pin 21 depends on whether the opening and closing bracket is in the expanded or retracted state.

[0052] Specifically, the pin 21 can be a spring-loaded pin that retracts or automatically pops out depending on whether it is pressed. Furthermore, the movement of the pin 21 can also be achieved through the following structure. Specifically, the opening and closing bracket also includes a connector 22, a slider 23, and a second sliding member 24. Two partitions 25 are provided within the placement block 2, forming a first placement groove 251 between the two partitions 25. The slider 23 is disposed within the first placement groove 251, and the second through-hole 211 is located on one side of the first placement groove 251. The pin 21 is fixed to the end of the slider 23 and can extend out of the second through-hole 211. One side surface of the slider 23 is configured as a first inclined surface 231. The second sliding member 24 is disposed within the placement block 2 and includes a connecting block 241 and a guide rail 242 fixed below the connecting block 241. One side surface of the guide rail 242 is configured as a second inclined surface 243. The connecting block 241 is connected to one end of the connector 22. A first limiting plate 244 is provided at the bottom end of the guide rail 242 of the second sliding member 24 . The second sliding member 24 moves upward until the first limiting plate 244 contacts the partition plate 25 .

[0053] Based on the above structure, when the connecting body 22 moves upward, it drives the connecting block 241 to move upward, and the first inclined surface 231 of the slider 23 is fitted with the second inclined surface 243 of the second sliding member 24, so that the slider 23 moves horizontally to the left until it is completely retracted into the first placement groove 251 until the first limit plate 244 is fitted with the partition 25; at this time, the first sliding member 13 can be moved up and down along the vertical tube 12 to realize the expansion or contraction of multiple first connecting rods 3.

[0054] When the position of the first sliding member 13 is determined, the second sliding member 24 can move downward by itself under the action of gravity until the bottom of the connecting block 241 contacts the partition 25. At this time, the first inclined surface 231 of the slider 23 is in contact with the second inclined surface 243 of the second sliding member 24, so that the slider 23 moves horizontally to the right until it extends out of the first mounting groove 251, thereby limiting the second sliding member 24 after the position is determined.

[0055] A spherical protrusion 221 is provided at the bottom or both ends of the connector 22. A first receiving groove 245 is provided on one side of the connecting block 241. The spherical protrusion 221 at the bottom of the connector 22 is locked in the first receiving groove 245. The connector 22 can be a steel wire or a connecting rod.

[0056] Refer to the accompanying drawings, such as Figures 14-19 As shown, a baby bed includes the above-mentioned opening and closing bracket, and also includes an upper frame 4 corresponding to the upper and lower opening and closing bracket, a second hinge seat 5, a plurality of vertical support rods 6 and a mesh cover. One end of the first connecting rod 3 is hinged to the second hinge seat 5, and the mesh cover is sleeved on the upper frame 4 and the opening and closing bracket. A hole can be opened at the bottom of the mesh cover so that the top of the connector 22 extends through the hole. The upper frame 4 is enclosed by the upper connecting rod 41, the support member 42 and the first hinge seat 43 to form a closed polygon. One end of the upper connecting rod 41 is connected to the support member 42, and the other end is connected to the first hinge seat 43. The two ends of the vertical support rod 6 are respectively connected to the first hinge seat 43 and the second hinge seat 5.

[0057] The support member 42 comprises two support plates 421 and a fixing plate 422 connecting the tops of the two support plates 421. A first slot 423 and a second slot 424 are symmetrically arranged on either side of the support plates 421. The first slot 423 is linear, while the second slot 424 includes a horizontal section and an inclined section. A first support rod 425 and a second support rod 426 are disposed transversely through the ends of the upper connecting rods 41. The first support rod 425 moves along the first slot 423, while the second support rod 426 moves along the second slot 424. When the angle between adjacent upper connecting rods 41 is 0° or 180°, the first support rod 425 presses against the end of the first slot 423, while the second support rod 426 presses against the end of the horizontal section of the second slot 424. When the angle between adjacent upper connecting rods 41 is between 0° and 180°, the first support rod 425 moves along the first slot 423, while the second support rod 426 moves along the inclined section of the second slot 424.

[0058] The upper connecting rod 41 comprises a second connecting rod 411 and a third connecting rod 412, arranged one above the other. The adjacent ends of the second connecting rods 411 are mounted on the support member 42 via a first support rod 425 and a second support rod 426. Axial holes 427 are symmetrically provided at the bottom of the support member 42, and a third support rod 428 is provided through the end of the third connecting rod 412. The third support rod 428 passes through the axial hole 427, allowing the third connecting rod 412 to be rotatably connected to the support member 42.

[0059] Furthermore, a covering shell 431 is fixedly mounted at the bottom of the first hinged base 43. This covering shell 431 wraps around or partially wraps around the vertical support rod 6 or the outer side of the mesh. Covering shell 431 is an arc-shaped shell, the top of which can be integrally formed with the first hinged base 43, thereby providing a fixed connection between the first hinged base 43 and the covering shell 431. A roller 7 is mounted at the bottom of the second hinged base 5, and this roller 7 can be a Forma wheel.

[0060] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A retractable bracket, characterized in that: include: The middle connecting member includes a connecting portion, a vertical tube and a first sliding member; the vertical tube is provided with a first through hole, and the bottom of the vertical tube is provided with a sealing plug; The connecting portion is fixed to the top of the vertical tube; the first sliding member is movably sleeved on the vertical tube; A placement block is fixed inside the vertical tube, and a retractable pin is installed in the placement block; a second through hole is provided on the placement block; when the pin is retracted inside the placement block, the first sliding member can move up and down along the vertical tube; when the pin extends out of the first through hole through the second through hole, the first sliding member is limited to be above or below the pin; a plurality of first connecting rods distributed circumferentially around the middle connecting member, one end of each first connecting rod being hinged to the connecting portion; A plurality of connecting pieces; one end of each connecting piece is hinged to the first connecting rod, and the other end is hinged to the first sliding member.

2. The retractable bracket according to claim 1, characterized in that: Also includes a connector, a slider, and a second sliding member; Two partitions are provided in the placement block, a first placement groove is formed between the two partitions, the slider is arranged in the first placement groove, and the second through hole is located on one side of the first placement groove; the pin is fixed to the end of the slider and can extend out of the second through hole, and one side surface of the slider is set as a first inclined surface; The second sliding member is arranged in the placement block, and the second sliding member includes a connecting block and a guide rail fixed below the connecting block; one side surface of the guide rail is set as a second inclined surface; the connecting block is connected to one end of the connecting body; When the connecting body moves up and down, the first inclined surface moves in contact with the second inclined surface, so that the slider moves horizontally in the first placement groove, so that the pin is accommodated in the second through hole or extends from the second through hole.

3. The retractable bracket according to claim 2, characterized in that: A first limiting plate is provided at the bottom end of the guide rail of the second sliding member, and the second sliding member moves upward until the first limiting plate contacts the partition.

4. The retractable bracket according to claim 2, characterized in that: The bottom end or both ends of the connector are provided with spherical protrusions; A first receiving groove is provided on one side of the connecting block, and the spherical protrusion at the bottom end of the connecting body is clamped in the first receiving groove.

5. The retractable bracket according to claim 1, characterized in that: The connecting portion includes a connecting plate and a star-shaped connector fixedly connected to the connecting plate, the star-shaped connector includes a connecting pipe located in the middle and connecting grooves distributed in a star shape around the connecting pipe; the first connecting rod is hinged to the connecting groove; a support seat is provided between two adjacent connecting grooves hinged to the first connecting rod; the support seat is fixedly connected to the connecting plate; It also includes a support rod; the support rod includes a cross rod and a vertical rod that are fixedly connected, wherein the cross rod is hinged to the connecting groove.

6. The retractable bracket according to claim 1, characterized in that: The first sliding member includes a ring mounted on the vertical tube and a plurality of extension blocks circumferentially fixed to the outer surface of the ring; the connecting pieces are grouped in pairs and are respectively arranged on both sides of the first connecting rod, and the connecting pieces are hinged to the extension blocks.

7. A baby crib, characterized by: A retractable bracket comprising any one of claims 1 to 6; The device further comprises an upper frame corresponding to the upper and lower parts of the opening and closing bracket, a second hinge seat, a plurality of vertical support rods and a mesh cover; one end of the first connecting rod is hinged to the second hinge seat; the mesh cover is sleeved on the upper frame and the opening and closing bracket; The upper frame is enclosed by an upper connecting rod, a support member and a first hinge seat to form a closed polygon; one end of the upper connecting rod is connected to the support member, and the other end is connected to the first hinge seat; Two ends of the vertical support rod are respectively connected to the first hinge seat and the second hinge seat.

8. The baby crib according to claim 7, characterized in that: The support member includes two support plates and a fixing plate connecting the tops of the two support plates; a first slot and a second slot are symmetrically provided on both sides of the support plate, the first slot is linear, and the second slot includes a horizontal section and an inclined section; a first frame rod and a second frame rod are transversely passed through the end of the upper connecting rod, the first frame rod moves along the first slot, and the second frame rod moves along the second slot; When the angle between adjacent upper connecting rods is 0° or 180°, the first rack rod presses against the end of the first slot, and the second rack rod presses against the end of the horizontal section in the second slot; when the angle between adjacent upper connecting rods is 0°-180°, the first rack rod moves along the first slot, and the second rack rod moves along the inclined section of the second slot.

9. The baby crib according to claim 8, characterized in that: The upper connecting rod is a second connecting rod and a third connecting rod arranged up and down; the adjacent ends of the second connecting rod are mounted on the support member through the first frame rod and the second frame rod; the bottom of the support member is also symmetrically provided with an axial hole, and the end of the third connecting rod is penetrated by a third frame rod, and the third frame rod passes through the axial hole so that the third connecting rod can be rotatably connected to the support member.

10. The baby crib according to claim 9, characterized in that: A covering shell is provided at the bottom of the first hinged seat, and the covering shell wraps or partially wraps around the vertical support rod or the outer side of the mesh cover; A roller is provided at the bottom of the second hinged seat.

Images