TWM488258U - Elevating protection fence sliding rail device for crib - Google Patents

Description

Child bed lift rail rail device

The invention relates to the field of cots, in particular to a lifting rail rail device for a crib.

Common cots are usually equipped with fixed guardrails and movable guardrails. The active guardrails are often used as lifting guardrails. The guardrails are lowered to facilitate the quilt, mattress and children's hugs. The existing structure of the crib with the lifting guardrail usually consists of a left bed head, a right bed head, a fixed guard rail, a lifting guardrail, a bottom rail, etc. The lifting mechanism has various structural forms, such as an electric lifting guardrail, but the electric lifting has high production cost. There are safety hazards; some of the structure of the lifting guardrail is to provide a chute on the column of the left and right bed heads, and the vertical bars on both sides of the lifting guardrail are respectively installed in the chute to slide up and down. This structure is complicated, the shape is not beautiful, operation Inconvenient; there is also a common lifting guardrail on the market, which must be pressed into the crib with the foot to make the guardrail biased to the inner side, so that the built-in slide rail can be pushed up and down to achieve the lifting and lowering. This design is complicated to install. Because the main components are plastic parts and structural design factors are easy to damage, and the rail device is very easy to damage, the installation is also very laborious, the user must simultaneously operate by hand and foot to achieve lifting, very inconvenient, and will cause The crib moves and sounds, especially the light crib.

The purpose of the present invention is to provide a child-bed special lifting rail rail device which is convenient, practical, safe and reliable in view of the above problems and deficiencies.

In order to achieve the above new object, the technical solution adopted by the present invention is to design a guardrail lifting device for a child bed, comprising a left bed head, a right bed head, a fixed guard rail, a lifting guard rail and a bottom rail, wherein the left bed head includes a left front a column and a left rear pillar, the right bed includes a right front pillar and a right rear pillar, and the lifting rail includes a rectangular frame surrounded by an upper horizontal strip, a lower horizontal strip, and two vertical strips, and is arranged side by side between the vertical strips on both sides And a plurality of vertical guard strips of the upper horizontal strip and the lower horizontal strip are respectively connected to the two ends, and the outer side of the vertical strips of the lifting guard rail is respectively provided with a sliding slot, the sliding trough is provided with a sliding rail, and the left front pillar and the left front pillar The inner side of the right front pillar is respectively provided with an upper guide pin and a lower guide pin, and the left front pillar and the right front pillar are embedded in the slide rail provided by the lifting guardrail through the upper guide pin and the lower guide pin, and the lift guard rail is further provided The limit switch, the lifting guardrail controls the lifting guardrail to move up and down to a high position or a low position by a limit switch.

Further, the utility model further comprises two movable rods, wherein the movable rod is an elongated strip made of a metal material, and the two ends of the movable rod are respectively provided with a screw hole and a fixing screw hole, and the fixing screw hole is internally threaded, wherein the movable rod The guide pin and the lower guide pin are respectively installed in the screw holes, and the left front pillar and the right front pillar are provided with through holes, and the two movable rods are respectively passed through the bolt from the outer side of the left front pillar and the right front pillar through the left front pillar and the right front pillar. The through holes are respectively tightened and fixed on the left front pillar and the right front pillar in cooperation with the fixing screw holes provided on the two movable rods.

Further, the limit switch comprises an L-shaped rotary lever, a return spring and a pivot shaft, the L-shaped rotary lever comprises a short rod and a long rod forming a right angle, and a lower part of the short rod is provided with a finger pressing An arc-shaped projection, the end of the long rod is provided with an outwardly raised abutting top, and the L-shaped rotary lever has a through hole at a right angle; the upper chute of the two vertical strips is disposed in the upper chute and is disposed at an upper portion of the vertical strip a long inner groove for accommodating the long rod of the L-shaped rotary lever is disposed in the tenon connected to the upper horizontal strip, and the pivot is provided with a pivot hole, the pivot hole traverses the long inner groove; the upper horizontal bar and a tongue-fitted bore is provided at one end of the closest vertical guard strip with a downwardly open short inner groove for receiving a short rod of the L-shaped rotary lever communicating with the long inner groove; the groove bottom of the chute A counterbore is provided at a substantially intermediate position of the long inner groove, and a return spring is disposed in the counterbore, and a long rod of the L-shaped rotary lever is installed in the long inner groove, and a rear portion of the long rod is in contact with the upper end of the return spring.

When installed, the through hole of the L-shaped rotary lever is pivotally connected to the pivot hole provided on the tenon by the pivot shaft, and the long rod of the L-shaped rotary lever is accommodated in the long inner groove provided by the vertical bar. The upper end of the long rod is extended from the long inner groove into the sliding slot, and the sliding rail is made of aluminum alloy metal material, and the sliding rail is provided with a gap corresponding to the top of the long rod to the top. The notch is extended; the short rod of the L-shaped rotary lever is received in a short inner groove provided by the upper horizontal bar, and the lower convex portion of the short rod is provided with a short inner portion provided by the upper horizontal bar Extend in the slot.

The inner sides of the vertical bars on the two sides of the front side guard rail are respectively provided with screw holes and bolts for fastening the slide rails.

In order to avoid the gravity impact of the lower guide pin when the lifting guardrail is lowered, a buffer spring is also arranged in the sliding rail. When the lifting guardrail is lowered to the lowest position, the buffer spring stops after hitting the lower guiding pin.

Further, the upper guide pin is provided with a card slot, and the position of the top of the long bar is set to a pointed shape, and when the lifting guard is at a high position, the abutting top of the long rod is just stuck in the slot of the upper guide pin. This design can ensure that the adult's hands need to lift both the lifting guardrail and the curved bulge at the same time, in order to open the lifting switch to lower the lifting guardrail to a low position, so as to ensure that the baby's own hands are not long enough and the strength is limited. At the same time, the hands are automatically adjusted to the low position by the hands to achieve good safety performance.

The bottom of the column and the column are respectively provided with horizontal legs, and casters are installed at the lower ends of the two ends of the horizontal legs. Further, the middle of the horizontal leg is arranged as a downwardly projecting arc, and the lower ends of the curved cross leg are hinged with a caster. After the caster is turned upside down, the curved cross leg can be used as a rocker. Bed use.

Further, the utility model further comprises a small guardrail, wherein the small guardrail is in a "concave" shape, and the lowest position in the small guardrail is slightly higher than the bottom rail, and the height of the two ends of the small guardrail is substantially one third of the height of the lifting guardrail, and the small guardrail is fixed by screws. The small guardrail and the lift guardrail are used interchangeably on the bottom rail and the left or right headboard.

Further, three rows of screw holes of different heights are respectively arranged on the left bed head or the right bed head, and the bottom bar is installed at three different heights by bolts as needed.

The working principle of the novel is realized by: when the lifting guardrail needs to be lowered, the two hands respectively hold the two ends of the upper horizontal bar of the lifting guard rail, and the curved convex protrusion provided on the lower part of the short rod of the L-shaped rotating lever is pressed by the finger. The short rod of the L-shaped rotary lever rotates an angle around the pivot shaft, the long rod rotates the same angle backwards around the pivot shaft, the long rod compresses the return spring, and the spring accumulates the elastic potential energy, and the long rod is provided with Retracting from the top, the top of the top is separated from the upper guide pin provided on the inner side of the two front pillars. Without the blockage of the top, the lift rail can slide down by its own gravity, or the power of the two hands can be lowered. Until the lower part of the buffer spring provided in the slide rail stops against the lower guide pin, it slides down to the low gear position. When it is necessary to raise, it is also an arc-shaped protrusion provided on the lower part of the short rod of the hand pressing the L-shaped rotary lever. The long rod compresses the return spring, resets the spring to accumulate the elastic potential energy, and then lifts the lifting guardrail upward until the upper guide When the pin is over the top position of the long rod of the L-shaped rotary lever, the two fingers pressing the curved protrusion are released, and under the restoring force of the return spring, the long rod is ejected to the top and the upper guide pin. Inconsistent, thereby blocking the lifting rail from sliding down the rail, thus raising the lifting rail to a suitable high position.

The new lifting guardrail can be adjusted up and down as needed, and the operation is convenient. The caretaker only needs to lower the lifting guardrail to conveniently arrange the mattress or quilt in the cot, and also convenient for the caretaker to take the child out or put it into the cot, which is suitable for different Children of age and height are used. When used as a shaker, the casters can be turned upside down. The new model can be used not only in children's beds, but also in beds with lift rails for teenagers.

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in FIGS. 1 to 4, the present invention is a cot lifting device for a cot, comprising a left bed head, a right bed head, a fixed guard rail, a lifting guard rail and a bottom rail, wherein the left bed head includes a left front pillar 11 and a left rear pillar 13. The right bed includes a right front pillar 12 and a right rear pillar 14, and the lifting rail includes a rectangular frame surrounded by the upper rail 4, the lower rail 5, and the two vertical bars 6, and is arranged side by side between the vertical bars 6 on both sides. And a plurality of vertical guard strips 7 connected to the upper horizontal strips 4 and the lower horizontal strips 5 respectively, and the outer side of the vertical strips 6 of the lifting guard rails are respectively provided with a sliding slot 61, and the sliding slot 61 is provided with a sliding rail 62. The inner side of the left front pillar 11 and the right front pillar 12 are respectively provided with an upper guide pin 15 and a lower guide pin 16, and the left front pillar 11 and the right front pillar 12 are movably embedded in the slide rail provided by the lift rail through the upper guide pin 15 and the lower guide pin 16. In 62, the lifting guardrail is further provided with a limit switch, and the lifting guardrail controls the lifting guardrail to move up and down to a high position or a low position through a limit switch.

The limit switch of the present invention comprises an L-shaped rotary lever 80, a return spring 81 and a pivot shaft 82. The L-shaped rotary lever 80 includes a short rod 801 and a long rod 802 forming a right angle, and a lower portion of the short rod 801 is provided with a An arc-shaped protrusion 803 for pressing by a finger, the end of the long rod 802 is provided with an outwardly raised abutting top 804, and the right-angled position of the L-shaped rotary lever 80 is provided with a through hole 805; the upper chute of the two vertical bars 6 A long inner groove 65 for accommodating the long rod 802 of the L-shaped rotary lever 80 is disposed in the tongue 63 provided in the upper portion of the vertical bar 6 for connection with the upper rail 4, and the tenon 63 is provided on the tenon 63. A pivot hole 64 is disposed, and the pivot hole 64 traverses the long inner groove 65; the groove bottom of the chute 61 is provided with a counterbore at a substantially intermediate position of the long inner groove 65, and the counterbore is provided with a return spring 81, L The long rod 802 of the rotary lever 80 is mounted in the long inner groove 65, and the rear portion of the long rod 802 is in contact with the upper end of the return spring 81; the upper rail 4 is engaged with the collar 63 to the closest vertical guard strip 7 One end of the L-shaped rotary lever 80 is connected to the short inner groove 41 for accommodating the L-shaped rotary lever 80; 82 pivoted to On the pivot hole 64 provided on the cymbal 63, the long rod 802 of the L-shaped rotary lever 80 is accommodated in the long inner groove 65 provided in the vertical bar 6, and the lower end 804 of the long rod 802 is provided with the abutting top 804 from the long side. The slot 65 protrudes into the sliding slot 61. The sliding rail 62 is made of an aluminum alloy metal material, and the sliding rail 62 is provided with a gap corresponding to the abutting top 804 of the long rod 802 for the protruding top portion 804 to protrude from the notch; The short rod 801 of the L-shaped rotary lever 80 is accommodated in the short inner groove 41 provided in the upper horizontal strip 4, and the curved protrusion 803 provided in the lower portion of the short rod 801 is provided with a short inner groove provided from the upper horizontal strip 4. Extending in 41.

As shown in FIG. 5, in the preferred embodiment of the present invention, the upper guide pin 15 is provided with a card slot 151. The position of the abutting top 804 of the long rod 802 is pointed, and the elevation bar 802 is at the high position. The top 804 is just stuck in the slot 151 of the upper guide pin 15, so that the design can ensure that the two hands of the adult hand lift the lifting guardrail and press the curved protrusion 803 at the same time, in order to open the lifting switch to lower the lifting guardrail To the low position, to ensure that the baby's hands are not long enough and the strength of the baby is limited, the hands can be adjusted to the low position by both hands, thus achieving good safety performance.

The inner sides of the vertical bars 7 on both sides of the front side guard rail of the present invention are respectively provided with screw holes and bolts for fastening the slide rails 62. A buffer spring 2 is also provided in the slide rail 62.

Another embodiment shown in FIGS. 8 to 12 further includes two movable rods 9 which are elongated strips made of a metal material. The movable rods 9 are respectively provided with screw holes 91, 92 and fixing screws. The holes 93, 94, the fixing screw holes 93, 94 are internally threaded, and the upper guide pin 15 and the lower guide pin 16 are respectively installed in the screw holes 91, 92, and the left front pillar 11 and the right front pillar 12 are provided with through holes. The two movable rods 9 pass through the through holes of the left front pillar 11 and the right front pillar 12 from the outer sides of the left front pillar 11 and the right front pillar 12 through the bolts 95, 96, respectively, and the fixing screw holes 93 provided on the two movable rods 9, respectively. The 94 is fixed to the left front pillar 11 and the right front pillar 12 by tightening.

One of the embodiments of the present invention: a horizontal leg is respectively arranged at the bottom of the column 11, 13 and the columns 12, 14, and a caster is installed at a lower portion of the two ends of the horizontal leg; or directly on the column 11, 13 and the column 12, The casters are mounted on the bottom of each of the 14th.

Another embodiment of the present invention: arc-shaped transverse legs 3 are respectively arranged at the bottoms of the columns 11, 13 and the columns 12, 14. The arc-shaped transverse legs 3 are arranged in the middle to form a downwardly convex arc, which is curved horizontally. Casters are hinged at the lower ends of the legs 3, and the curved cross legs 3 can be used as a cradle after the casters are turned upside down.

FIG. 6 is a schematic structural view showing an ascending gear position of a descending guardrail according to another embodiment of the present invention. FIG. 7 is a schematic structural view of a descending gear position of a lifting guardrail according to an embodiment of the present invention.

FIG. 14 is a schematic view showing the structure of the two-handed lifting guardrail according to another embodiment of the present invention. When the lifting guardrail is raised by both hands, the lifting guardrail is automatically locked when it is raised to the upper position.

As shown in FIG. 15 , the structure diagram of the two-handed lifting and lowering guard rail is put forward, and both hands lift the lifting guard rail at the same time and press the curved protrusions 803 at both ends to lower the lifting guard rail, and the lifting guard rail is lowered to the lower position.

Figure 13 is a schematic view showing the structure of another embodiment of the present invention when the small guardrail is replaced. The utility model also includes a small guardrail 10, wherein the small guardrail 10 has a "concave" shape, and the lowest position in the middle of the small guardrail 10 is slightly higher than the bottom rail. The height of the two ends of the small guardrail 10 is substantially one third of the height of the lifting guardrail, and the small guardrail 10 passes through The screws are fixed to the bottom rail and the left or right bed head, and the small guardrail 10 and the lift rail are used interchangeably.

There are three rows of screw holes of different heights on the left or right head of the present invention, and the bottom bar is installed at three different heights by bolts as needed.

The above embodiments are a preferred embodiment of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and modifications made without departing from the spirit and principles of the present invention. Simplification should be an equivalent replacement method, which is included in the scope of protection of this new model.

10‧‧‧Small guardrail
11‧‧‧Left front column
12‧‧‧ right front column
13‧‧‧ Left rear pillar
14‧‧‧right rear pillar
15‧‧‧Upper guide
151‧‧‧ card slot
16‧‧‧Under the guide
2‧‧‧buffer spring
3‧‧‧cross feet
4‧‧‧Upper bar
41‧‧‧short slot
5‧‧‧low bar
6‧‧‧ vertical bars
61‧‧‧Chute
62‧‧‧Slide rails
63‧‧‧榫
64‧‧‧Pivot hole
65‧‧‧Long slot
7‧‧‧ vertical guard strip
80‧‧‧Rotary lever
801‧‧‧ short rod
802‧‧‧ long pole
803‧‧‧Arc bulge
804‧‧‧ arrived at the top
805‧‧‧through hole
81‧‧‧Return spring
82‧‧‧ pivot shaft
9‧‧‧ activity pole
91, 92‧‧‧ screw holes
93, 94‧‧‧Fixed screw holes
95, 96‧‧‧ bolts

Figure 1 is a partial cross-sectional structural view of the new lifting guardrail after lifting; Figure 2 is a partial cross-sectional structural view of the new lifting guardrail after descending; Figure 3 is a schematic structural view of the two vertical strips; Schematic diagram of the structure of the L-shaped rotary lever; Fig. 5 is a schematic structural view of the upper pole of the novel long rod stuck in the upper guide pin slot; Fig. 6 is a schematic structural view of the ascending gear of the lifting guardrail according to an embodiment of the present invention; 7 is a schematic structural view of a descending gear position of a lifting guardrail according to an embodiment of the present invention; FIG. 8 is a schematic structural view of an ascending gear position of a lifting guardrail according to another embodiment of the present invention; FIG. 9 is a structure of a descending gear position of a lifting guardrail according to another embodiment of the present invention; FIG. 10 is a schematic structural view of another embodiment of the present invention; FIG. 11 is a schematic structural view of a movable rod and a slide rail according to another embodiment of the present invention; FIG. 12 is a schematic structural view of a movable rod according to another embodiment of the present invention ( When the upper guide pin and the lower guide pin are not installed); FIG. 13 is a schematic structural view of another embodiment of the present invention when the small guardrail is replaced. FIG. 14 is a schematic structural view of the two-handed lifting and lowering guardrail of the present invention; FIG. 15 is a schematic structural view of the two-handed lifting and lowering guardrail.

11‧‧‧Left front column

12‧‧‧ right front column

13‧‧‧ Left rear pillar

14‧‧‧right rear pillar

4‧‧‧Upper bar

5‧‧‧low bar

Claims (10)

A child bed lifting rail rail device comprising a left bed head, a right bed head, a fixed guard rail, a lifting guard rail and a bottom rail, wherein the left bed head comprises a left front pillar (11) and a left rear pillar (13), right The bed head includes a right front pillar (12) and a right rear pillar (14), and the lifting rail includes a rectangular frame surrounded by an upper horizontal strip (4), a lower horizontal strip (5), and two vertical bars (6), and side by side a plurality of vertical guard strips (7) disposed between the two vertical strips (6) and connected at both ends thereof with a horizontal strip (4) and a lower horizontal strip (5), wherein: two of the lifting guard rails The outer side of the side vertical strip (6) is respectively provided with a sliding slot (61), and the sliding slot (61) is provided with a sliding rail (62), and the inner sides of the left front pillar (11) and the right front pillar (12) are respectively provided with upper a guide pin (15) and a lower guide pin (16), the left front pillar (11) and the right front pillar (12) are movably embedded in the lift guard by the upper guide pin (15) and the lower guide pin (16) In the rail (62), the lifting guard rail is further provided with a limit switch, and the lifting guardrail controls the lifting guardrail to move up and down to a high position or a low position through a limit switch. A slide rail device according to claim 1, characterized in that it further comprises two movable rods (9) which are elongated strips made of a metal material, both ends of the movable rod (9) Screw holes (91, 92) and fixing screw holes (93, 94) are respectively provided, and the fixing screw holes (93, 94) are internally threaded, and the upper guide pin (15) and the lower guide pin (16) are respectively installed. In the screw holes (91, 92), the left front pillar (11) and the right front pillar (12) are provided with through holes, and the two movable rods (9) are respectively passed from the left front pillar by bolts (95, 96) (11 And the outer side of the right front pillar (12) passes through the through holes provided in the left front pillar (11) and the right front pillar (12) and respectively cooperates with the fixing screw holes (93, 94) provided on the two movable rods (9). Tighten and fasten to the left front pillar (11) and the right front pillar (12). The rail device of claim 1 or 2, wherein the limit switch comprises an L-shaped rotary lever (80), a return spring (81) and a pivot shaft (82), the L-shaped rotation The lever (80) includes a short rod (801) and a long rod (802) forming a right angle, and a lower portion of the short rod (801) is provided An arcuate projection (803) for pressing by a finger, the end of the long rod (802) is provided with an outwardly raised abutting top (804), and the right angle of the L-shaped rotary lever (80) is provided with a through hole (805) The upper chute (61) of the two side vertical strips (6) and the tenon (63) provided on the upper portion of the vertical strip (6) for connection with the upper horizontal strip (4) are provided for receiving a long inner groove (65) of the long rod (802) of the L-shaped rotary lever (80), the protrusion (63) is provided with a pivot hole (64), and the pivot hole (64) is traversed The inner groove (65); the upper horizontal bar (4) and the tenon (63) cooperate with the boring hole to the end of the closest vertical guard strip (7), and is provided with a downward opening and is connected to the long inner groove (65) a short inner groove (41) for accommodating the short rod (801) of the L-shaped rotary lever (80); the groove bottom of the sliding groove (61) is opposite to the substantially intermediate position of the long inner groove (65) A counterbore is provided, and a counter spring (81) is mounted in the counterbore. The long rod (802) of the L-shaped rotary lever (80) is installed in the long inner groove (65), and the rear part of the long rod (802) is The upper end of the return spring (81) is in contact; the through hole (805) of the L-shaped rotary lever (80) is pivotally connected to the pivot hole (64) provided on the tenon (63) through the pivot shaft (82) Upper, L-shaped rotary lever (80) long rod (802 The long inner groove (65) provided in the vertical bar (6) is received, and the abutting top (804) provided at the lower end of the long rod (802) protrudes from the long inner groove (65) to the chute (61) The slide rail (62) is made of an aluminum alloy metal material, and the slide rail (62) is provided with a notch corresponding to the top of the long rod (802) to the top (804) from the notch. Extending; the short rod (801) of the L-shaped rotary lever (80) is accommodated in a short inner groove (41) provided by the upper horizontal bar (4), and an arc is provided at a lower portion of the short rod (801) The shaped projection (803) projects from the short inner groove (41) provided by the upper rail (4). The rail device according to claim 3, characterized in that the inner side of the vertical strips (7) of the lifting guard rail are respectively provided with screw holes and bolts for fastening the slide rails (62). The slide rail device of claim 4, wherein the upper guide pin (15) is provided with a card slot (151), and the position of the abutment (804) of the long rod (802) is set to Pointed, said When the lift rail is in the high position, the abutting top (804) of the long rod (802) is just caught in the catch (151) of the upper guide pin (15). A slide rail device according to claim 5, characterized in that the slide rail (62) is further provided with a buffer spring (2). The rail device according to claim 6, characterized in that the bottoms of the columns (11, 13) and the columns (12, 14) are respectively provided with transverse legs (3) and transverse legs (3) Casters are mounted on the lower ends of the ends. The rail device according to claim 7, characterized in that: the middle of the transverse leg (3) is arranged to be a downwardly projecting arc, and the lower ends of the curved transverse legs (3) are hinged at the lower end. Casters, the curved cross legs (3) can be used as a shaker after the casters are turned upside down. The rail device according to claim 8, characterized in that it further comprises a small guard rail (10), the small guard rail (10) is a "concave" shape, and the lowest position in the middle of the small guard rail (10) is slightly higher than the bottom rail. The height of the two sides of the small guardrail (10) is roughly one-third of the height of the lifting guardrail. The small guardrail (10) is fixed to the bottom rail and the left or right bed by screws, and the small guardrail (10) and the lifting guardrail are interchanged. use. The slide rail device of claim 9, wherein the left bed head or the right bed head are respectively provided with three rows of screw holes of different heights, and the bottom bar is mounted to three different heights by bolts as needed.