CN215686244U - Bed frame locking mechanism of crib - Google Patents

Abstract

The utility model discloses a bed frame locking mechanism of a baby bed, which comprises a bed frame, wherein the bed frame comprises a handrail module, a top angle module, a footing module and a middle seat module, the handrail module comprises a joint connecting iron sheet and a reset module, a first handrail rod and a second handrail rod are symmetrically arranged at the top of the joint connecting iron sheet, the adjacent ends of the first handrail rod and the second handrail rod are arranged in the handrail module, the first handrail rod is rotationally connected with a first connecting rod, and the second handrail rod is rotationally connected with a second connecting rod; according to the utility model, the joint connection iron sheet, the first handrail rod and the first connecting rod form a triangle, and the first reset pin, the second reset pin, the first reset spring and the reset seat are mutually matched, so that the bed frame locking mechanism has the effects of being simpler, having higher stability and prolonging the service life of the bed frame locking mechanism.

Description

Bed frame locking mechanism of crib

Technical Field

The utility model belongs to the field of locking mechanisms, and particularly relates to a bed frame locking mechanism of a baby bed.

Background

The folding bed frame is designed by utilizing the joint principle, is convenient and saves the volume and space, can be folded and folded in various folding modes, is convenient and practical, and is convenient to store;

most bed frames in the prior art cannot be stored and occupy larger space when being stored, the bed frames are easy to be loosened or broken when a locking mechanism of the prior bed frame is collided by external force, and a plurality of locking switches are required to be opened one by one when the prior bed frame is folded, so that the steps are complicated, the operation is complex, the damage rate of parts is higher due to more locking switches, and the maintenance cost is increased invisibly;

to this end, we propose a bed frame locking mechanism for a crib.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bed frame locking mechanism of a baby bed, which is used for solving the problems that most of the existing bed frames cannot be stored, the locking effect of the existing locking mechanism is poor, the steps of folding the existing bed frames are complicated, the damage rate of parts is higher due to more locking switches, and the maintenance cost is increased.

The purpose of the utility model can be realized by the following technical scheme:

a bed frame locking mechanism of a baby bed comprises a bed frame, wherein the bed frame comprises a handrail module, a top angle module, a footing module and a middle seat module, the handrail module comprises a joint connection iron sheet and a reset module, a first handrail rod and a second handrail rod are symmetrically installed at the top of the joint connection iron sheet, one ends of the first handrail rod and the second handrail rod, which are adjacent to each other, are installed inside the handrail module, the first handrail rod is rotatably connected with a first connecting rod, the second handrail rod is rotatably connected with a second connecting rod, the first connecting rod and the second connecting rod are respectively connected with a first traction lock and a second traction lock between the correspondingly arranged footing modules, the joint connection iron sheet, the first handrail rod and the first connecting rod form a first triangle, the joint connection iron sheet, the second handrail rod and the second connecting rod form a second triangle, the first traction lock is connected with the second triangle, the second traction lock is connected with the first triangle, and a reset module is arranged in the joint connection iron sheet;

first bar rotates through first connecting pin and connects at the joint connection iron sheet, the second bar rotates through the second connecting pin and connects at the joint connection iron sheet, first bar rotates through first locating pin with the head rod and is connected, the second bar rotates through the second locating pin with the second connecting rod and is connected, first spout and second spout have been seted up to joint connection iron sheet symmetry, the equal fixedly connected with slider in one side of head rod and second connecting rod, slider difference sliding connection are in first spout and second spout.

Further, the one end that first pull lock and second pull the lock respectively with correspond the fixed block fixed connection that sets up, the other end and the second connecting rod that first pull the lock are connected, the other end and the head rod that the lock was pulled to the second are connected, the module that resets includes first reset pin, second reset pin, reset seat and first reset spring, the slotted hole has been seted up to the outside symmetry of reset seat, installs first reset pin and second reset pin in the slotted hole respectively, the outside that first reset pin and second reset pin all overlaps and is equipped with first reset spring, two the adjacent one end of first reset spring all with slotted hole inner wall fixed connection, and first reset pin and second reset pin cooperate with head rod and second connecting rod respectively.

Further, the one end that handrail module was kept away from to first bar and second bar rotates and is connected with the apex angle casing, the below of apex angle casing is provided with the footing casing, and the footing casing is located the apex angle casing under, connect through the bracing piece between apex angle casing and the footing casing, the slotted hole corresponding with the bracing piece has all been seted up to the inside of apex angle casing and footing casing, the both ends of bracing piece all peg graft in the slotted hole, corresponding slotted hole has all been seted up in the outside of apex angle casing, footing casing and bracing piece, and slotted hole female connection has the bolt.

Further, well seat module comprises last well seat and lower well seat, go up inside spring bolt, second reset spring and the joint piece of being provided with of well seat, the one end of spring bolt is connected with the stay cord, the one end of second reset spring and the inner wall fixed connection of last well seat, the other end and the joint piece fixed connection of second reset spring, spring bolt and joint piece cooperate, go up well seat and pass through the spring bolt joint with well seat down and connect.

Further, the footing module specifically is a footing module of taking auxiliary wheel, and the footing module includes footing casing, first footing pole, second footing pole and fixed block, first footing pole and second footing pole all rotate with footing shells inner wall and are connected, the one end that footing casing was kept away from to first footing pole rotates and is connected with third footing pole, the one end that first footing pole was kept away from to third footing pole rotates with lower well seat and is connected, the one end that footing casing was kept away from to second footing pole rotates with last well seat and is connected, the fixed block rotates with footing shells inner wall and is connected, auxiliary wheel is installed to the bottom of footing casing, auxiliary wheel cooperatees with the fixed block.

The utility model has the beneficial effects that:

(1) the iron sheet, the first handrail rod and the first connecting rod are connected through the joints to form a triangle, and the triangle has stability, so that the stability of the bed frame is greatly improved, the structure is simpler, the stability is better, and the problems of poor stability and complex structure of the existing locking mechanism are solved;

(2) the first reset pin, the second reset pin, the first reset spring and the reset seat are matched with each other, so that the operation of opening, locking, folding and folding of the bed frame is realized, and the problem that the folding range of the existing bed frame is limited is solved;

(3) through the mutual matching of the pull rope, the upper middle seat, the lower middle seat and the second return spring, the folding and the stabilization of the bed frame can be realized through simple steps, and the problems of complex folding locking mechanism and complicated steps of the existing device are solved;

(4) through mutually supporting of first footing pole and fixed block, realize further firm to folding bed frame to just when folding bed frame through simple step, play the function of lax traction lock and taut traction lock when opening the bed frame, and traction lock and connecting rod are connected changeably and traction lock position is changeably, realize the applicable material scope increase of bed frame, reach different folding effect, solve the little problem of alternative material selection scope of current locking mechanical system when the maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the lock mechanism of the present invention in an open state;

FIG. 2 is a schematic view of the locking mechanism of the present invention in a folded configuration;

FIG. 3 is a schematic view of the open state of the locking mechanism of the present invention;

FIG. 4 is a schematic view of the inside cross section of the structure of the utility model in the state of the foot opening of the bed frame;

FIG. 5 is a schematic view of the inside cross-section of the folded structure of the bed frame feet of the present invention;

FIG. 6 is a structural view of the bed frame of the present invention in an open state;

FIG. 7 is a structural view of the bed frame in a folded state according to the present invention;

FIG. 8 is a structural view of the bed frame in a folded state according to the present invention;

FIG. 9 is a side view of the fully folded bed frame of the present invention;

FIG. 10 is a schematic view of the open state of the locking mechanism of the present invention;

fig. 11 is a schematic view of a handrail module structure of the present invention;

fig. 12 is a schematic view of a corner module structure of the present invention;

FIG. 13 is a schematic view of a footing module structure of the present invention;

FIG. 14 is a schematic structural diagram of a middle seat module according to the present invention;

in the figure: 1. a bed frame; 203. the joint is connected with an iron sheet; 204. a reset module; 205. a first grab rail; 206. a second grab rail; 207. a first connecting rod; 208. a second connecting rod; 209. a first chute; 210. a second chute; 211. a first reset pin; 212. a second reset pin; 213. a reset seat; 214. a first return spring; 3. a first traction lock; 4. a second traction lock; 5. a vertex angle housing; 601. a footing housing; 602. a first footing bar; 603. a second footing bar; 604. a fixed block; 605. a third footing bar; 606. an auxiliary wheel; 7. a support bar; 801. an upper middle seat; 802. a lower middle seat; 803. a latch bolt; 804. a second return spring; 805. a clamping block; 901. a first connecting pin; 902. a second connecting pin; 903. a first positioning pin; 904. and a second positioning pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-14, a bed frame locking mechanism of a baby crib comprises a bed frame 1, the bed frame 1 comprises a handrail module, a top corner module, a bottom foot module and a middle seat module, the handrail module comprises an articulated iron sheet 203 and a reset module 204, the articulated iron sheet 203 effectively protects the internal structure of the bed frame locking mechanism from contact and collision with the outside so as to avoid damaging the single fine structure inside, the top of the articulated iron sheet 203 is symmetrically provided with a first handrail rod 205 and a second handrail rod 206, the adjacent ends of the first handrail rod 205 and the second handrail rod 206 are both arranged inside the handrail module, the first handrail rod 205 is rotatably connected with a first connecting rod 207, so that the first handrail rod 205 drives the first connecting rod 207 to rotate, the second handrail rod 206 is rotatably connected with a second connecting rod 208, that the first handrail rod 205 and the second handrail rod 206 are opened and folded, a first traction lock 3 and a second traction lock 4 are respectively connected between the first connecting rod 207 and the second connecting rod 208 and the correspondingly arranged foot modules, the first connecting rod 207 is connected with the first traction lock 3, and the second connecting rod 208 is connected with the second traction lock 4; the first connecting rod 207 can be connected with the second traction lock 4, the second connecting rod 208 is connected with the first traction lock 3, the first traction lock 3 and the second traction lock 4 can be arranged inside the first handrail rod 205 and the second handrail rod 206 or outside the first handrail rod 205 and the second handrail rod 206, and the range of applicable materials is enlarged by selecting various connecting modes;

the joint connection iron sheet 203, the first grab rail 205 and the first connecting rod 207 form a first triangle, the joint connection iron sheet 203, the second grab rail 206 and the second connecting rod 208 form a second triangle, the triangle has stability, the stability of the bed frame 1 is greatly improved, compared with the prior art, the structure is simpler, the stabilizing effect is better, the first traction lock 3 is connected with the second triangle, the second traction lock 4 is connected with the first triangle, the first traction lock 3 is connected with the first triangle, and the second traction lock 4 is connected with the second triangle, the connection mode is flexible and changeable, different connection modes can be changed under different scenes, the reset module 204 is arranged in the joint connection iron sheet 203, and the folding and the opening of the bed frame 1 are facilitated;

first handrail pole 205 rotates through first connecting pin 901 and connects in joint connection iron sheet 203, second handrail pole 206 rotates through second connecting pin 902 and connects in joint connection iron sheet 203, first handrail pole 205 rotates through first locating pin 903 with head rod 207 and is connected, second handrail pole 206 rotates through second locating pin 904 with second connecting rod 208 and is connected, first spout 209 and second spout 210 have been seted up to joint connection iron sheet 203 symmetry, the equal fixedly connected with slider in one side of head rod 207 and second connecting rod 208, slider difference sliding connection is in first spout 209 and second spout 210, be convenient for the slip of head rod 207 and second connecting rod 208 opens or folds in order to deal with bed frame 1.

Wherein, one end of the first traction lock 3 and one end of the second traction lock 4 are respectively fixedly connected with a corresponding fixed block 604, the other end of the first traction lock 3 is connected with the second connecting rod 208, the other end of the second traction lock 4 is connected with the first connecting rod 207, or the other end of the first traction lock 3 is connected with the first connecting rod 207, the other end of the second traction lock 4 is connected with the second connecting rod 208, the reset module 204 comprises a first reset pin 211, a second reset pin 212, a reset seat 213 and a first reset spring 214, slotted holes are symmetrically arranged on the outer side of the reset seat 213, the first reset pin 211 and the second reset pin 212 are respectively arranged in the slotted holes, the first reset pin 211 and the second reset pin 212 can conveniently slide in the slotted holes, the first reset pin 211 and the second reset pin 212 are respectively sleeved with the first reset spring 214, the adjacent ends of the two first reset springs 214 are respectively fixedly connected with the inner wall of the slotted holes, the first and second reset pins 211 and 212 are moved and then restored to the original positions, and the first and second reset pins 211 and 212 are respectively matched with the first and second connecting rods 207 and 208, so as to achieve the purpose of opening or folding the armrest module.

Wherein, well seat module comprises last well seat 801 and lower well seat 802, go up the inside spring bolt 803 that is provided with of well seat 801, second reset spring 804 and joint piece 805, the one end of spring bolt 803 is connected with the stay cord, can make through the stay cord go up well seat 801 and lower well seat 802 separation, and then reach folding bed frame 1's purpose, the one end of second reset spring 804 and the inner wall fixed connection of last well seat 801, the other end and the joint piece 805 fixed connection of second reset spring 804, spring bolt 803 and joint piece 805 cooperate, be convenient for go up well seat 801 and lower well seat 802 separation or chucking, go up well seat 801 and lower well seat 802 through the spring bolt 803 joint connection.

The top corner shell 5 is rotatably connected to one end, far away from the armrest module, of the first armrest rod 205 and the second armrest rod 206, the bottom corner shell 601 is arranged below the top corner shell 5, the bottom corner shell 601 is located right below the top corner shell 5, and the top corner shell 5 and the bottom corner shell 601 are connected through the supporting rod 7, so that the top corner shell 5 and the bottom corner shell 601 are fixed conveniently;

the footing module is concretely a footing module with auxiliary wheels 606, the footing module comprises a footing housing 601, a first footing rod 602, a second footing rod 603 and a fixing block 604, the first footing rod 602 and the second footing rod 603 are rotatably connected with the inner wall of the footing housing 601, so as to facilitate the folding and unfolding of the bed frame 1, one end of the first footing rod 602, which is far away from the footing housing 601, is rotatably connected with a third footing rod 605, one end of the third footing rod 605, which is far away from the first footing rod 602, is rotatably connected with a lower middle base 802, the use area of the bed frame 1 is indirectly increased by connecting the third footing rod 605 with the first footing rod 602, one end of the second footing rod 603, which is far away from the footing housing 601, is rotatably connected with an upper middle base 801, the fixing block 604 is rotatably connected with the inner wall of the footing housing 601, the inside of the top corner housing 5 and the footing housing 601 is provided with slot holes corresponding to the supporting rod 7, both ends of the supporting rod 7 are inserted in the slot holes, apex angle casing 5, corresponding slotted hole has all been seted up in the outside of footing casing 601 and bracing piece 7, slotted hole female connection has the bolt, be convenient for change or erection bracing piece 7 and increase the fastness between bracing piece 7 and apex angle casing 5 and the footing casing 601, auxiliary wheel 606 is installed to the bottom of footing casing 601, auxiliary wheel 606 cooperatees with fixed block 604, restrict the motion state of auxiliary wheel 606 through the position that changes fixed block 604, when bed frame 1 is opened, fixed block 604 supports auxiliary wheel 606, restrict it and can not remove, effectively avoid bed frame 1 to have the possibility that self-propelled removal caused unpredictable situation, when folding bed frame 1, fixed block 604 rotates, make auxiliary wheel 606 free rotation, thereby drive the removal of footing module, in order to avoid smooth and easy folding.

The working process of the utility model is as follows:

when the bed frame 1 is folded, the lock tongue 803 is pulled through the pull rope to pull the upper middle seat 801 and the lower middle seat 802 upwards, so that the upper middle seat 801 and the lower middle seat 802 are separated, the first bottom foot rod 602 and the second bottom foot rod 603 connected to the bottom foot shell 601 rotate at the same time, the rotation of the first bottom foot rod 602 drives the fixed block 604 to rotate, so that the first traction lock 3 and the second traction lock 4 gradually change from a tight state to a loose state, the auxiliary wheel 606 at the bottom of the bottom foot shell 601 and the vertex angle module connected with the bottom foot shell 601 through the support rod 7 move to the middle seat module along with the folding of the first bottom foot rod 602 and the second bottom foot rod 603, at the moment, the first reset spring 214 enables the first reset pin 211 and the second reset pin 212 to respectively prop against the corresponding first connecting rod 207 and second connecting rod 208, so that the first connecting rod 207 and the second connecting rod 208 cross dead points, thereby enabling the first triangle and the second triangle to deform, the first connecting pin 901 and the second connecting pin 902 rotate to drive the first grab rail 205 and the second grab rail 206 connected to the joint connecting iron sheet 203 to rotate, thereby completing the folding of the bed frame 1;

when the bed frame 1 is used, the lower middle seat 802 is pressed, the first bottom foot rod 602, the second bottom foot rod 603 and the third bottom foot rod 605 are matched with each other along with the downward movement of the lower middle seat 802, the auxiliary wheels 606 at the bottoms of the four bottom foot modules are pushed to move until the four bottom foot modules are completely opened, at the moment, the first bottom foot rod 602 abuts against the fixed block 604, the fixed block 604 rotates and abuts against the auxiliary wheels 606 to limit the movement of the auxiliary wheels 606, so that the first traction lock 3 and the second traction lock 4 are in a tight state, the first traction lock 3 and the second traction lock 4 pull the corresponding first connecting rod 207 and second connecting rod 208, or the first traction lock 3 and the second traction lock 4 pull the corresponding second connecting rod 208 and first connecting rod 207, at the same time, the upper middle seat 801 moves downward and is inserted into the lower middle seat 802, at the lock tongue 803 pulls and pushes the clamping block 805 through the second return spring 804, so that the upper middle seat 801 and the lower middle seat 802 are firmly clamped, the first connecting rod 207 and the second connecting rod 208 slide in the corresponding first sliding slot 209 and the second sliding slot 210, so as to drive the first handrail rod 205 and the second handrail rod 206 to rotate until being completely opened, at the moment, the first connecting rod 207 and the second connecting rod 208 are in a dead point passing state, the first resetting pin 211 and the second resetting pin 212 slide inwards along the slotted hole of the resetting seat 213, at the moment, the joint is locked, and thus, the purposes of opening and locking the bed frame 1 are achieved.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. The utility model provides a bed frame locking mechanical system of crib, includes bed frame (1), bed frame (1) includes handrail module, apex angle module, footing module and well seat module, and the handrail module includes articulated connection iron sheet (203) and reset module (204), its characterized in that: the top of the joint connection iron sheet (203) is symmetrically provided with a first grab rail (205) and a second grab rail (206), the adjacent ends of the first grab rail (205) and the second grab rail (206) are arranged inside the handrail module, the first grab rail (205) is rotationally connected with a first connecting rod (207), the second grab rail (206) is rotationally connected with a second connecting rod (208), the first connecting rod (207) and the second connecting rod (208) are respectively connected with a first traction lock (3) and a second traction lock (4) between the corresponding foot modules, the joint connection iron sheet (203), the first grab rail (205) and the first connecting rod (207) form a first triangle, the joint connection iron sheet (203), the second grab rail (206) and the second connecting rod (208) form a second triangle, the first traction lock (3) is connected with the second triangle, the second traction lock (4) is connected with the first triangle, and a reset module (204) is arranged in the joint connection iron sheet (203);

first handrail pole (205) rotate through first connecting pin (901) and connect in joint connection iron sheet (203), second handrail pole (206) rotate through second connecting pin (902) and connect in joint connection iron sheet (203), first handrail pole (205) rotate through first locating pin (903) with head rod (207) and are connected, second handrail pole (206) rotate through second locating pin (904) with second connecting rod (208) and are connected, first spout (209) and second spout (210) have been seted up to joint connection iron sheet (203) symmetry, the equal fixedly connected with slider in one side of head rod (207) and second connecting rod (208), slider difference sliding connection is in first spout (209) and second spout (210).

2. The locking mechanism of a bed frame of a baby bed as claimed in claim 1, wherein: first draw the one end of lock (3) and second and draw lock (4) respectively with correspond fixed block (604) fixed connection that sets up, the other end and second connecting rod (208) of first draw lock (3) are connected, the other end and the head rod (207) of second draw lock (4) are connected, module (204) that resets includes first round pin (211), second reset round pin (212), seat (213) and first reset spring (214) reset, the slotted hole has been seted up to the outside symmetry of seat (213) resets, installs first round pin (211) and second reset round pin (212) that resets in the slotted hole respectively, the outside of first round pin (211) and second reset round pin (212) all overlaps and is equipped with first reset spring (214), two the adjacent one end of first reset spring (214) all with slotted hole inner wall fixed connection, and first reset round pin (211) and second reset round pin (212) match with head rod (207) and second connecting rod (208) respectively And (6) mixing.

3. The locking mechanism of a bed frame of a baby bed as claimed in claim 1, wherein: the one end that handrail module was kept away from in first handrail pole (205) and second handrail pole (206) is rotated and is connected with apex angle casing (5), the below of apex angle casing (5) is provided with footing casing (601), and footing casing (601) is located apex angle casing (5) under, connect through bracing piece (7) between apex angle casing (5) and footing casing (601), the slotted hole corresponding with bracing piece (7) has all been seted up to the inside of apex angle casing (5) and footing casing (601), the both ends of bracing piece (7) are all pegged graft in the slotted hole, corresponding slotted hole has all been seted up in the outside of apex angle casing (5), footing casing (601) and bracing piece (7), and slotted hole female connection has the bolt.

4. The locking mechanism of a bed frame of a baby bed as claimed in claim 1, wherein: well seat module comprises last well seat (801) and lower well seat (802), go up well seat (801) inside and be provided with spring bolt (803), second reset spring (804) and joint piece (805), the one end of spring bolt (803) is connected with the stay cord, the one end of second reset spring (804) and the inner wall fixed connection of last well seat (801), the other end and the joint piece (805) fixed connection of second reset spring (804), spring bolt (803) and joint piece (805) cooperate, go up well seat (801) and lower well seat (802) and pass through spring bolt (803) joint and connect.

5. The locking mechanism of a bed frame of a baby bed as claimed in claim 1, wherein: the footing module is specifically a footing module with an auxiliary wheel (606), and comprises a footing housing (601), a first footing rod (602), a second footing rod (603), a fixed block (604) and the auxiliary wheel (606), the first footing rod (602) and the second footing rod (603) are rotatably connected with the inner wall of the footing housing (601), one end of the first footing rod (602) far away from the footing shell (601) is rotatably connected with a third footing rod (605), one end of the third bottom foot rod (605) far away from the first bottom foot rod (602) is rotationally connected with the lower middle seat (802), one end of the second bottom foot rod (603) far away from the bottom foot shell (601) is rotatably connected with the upper middle seat (801), the fixed block (604) is rotatably connected with the inner wall of the bottom foot shell (601), an auxiliary wheel (606) is installed at the bottom of the bottom foot shell (601), and the auxiliary wheel (606) is matched with the fixed block (604).

Images