CN219139622U - Guardrail lock and bed guardrail - Google Patents

Abstract

The utility model discloses a guardrail lock and a bed guardrail, wherein the guardrail lock comprises a lock head and a lock seat, one end of the lock seat is concavely provided with a groove with a lower end penetrating through, the space between groove walls at two sides of the groove is sequentially narrowed from a notch to the groove bottom, a bolting part is arranged in the groove, one end of the lock head is provided with a locking part, the locking part can extend into the groove and is detachably and rotatably connected with the bolting part, the lock head can swing downwards or upwards relative to the lock seat, the end part and the lower end of the groove are opened, so that the lock head can swing downwards or upwards relative to the lock seat to be horizontal after being detachably and rotatably connected with the lock seat, in addition, the space between groove side walls at two sides of the groove is gradually reduced from the notch side to the groove bottom side, and the locking part of the lock head is matched with the groove, so that the lock head can not swing in the groove after being detachably and rotatably connected with the lock seat.

Description

Guardrail lock and bed guardrail

Technical Field

The utility model belongs to the field of guardrail equipment, and particularly relates to a guardrail lock and a bed guardrail.

Background

The prior safety lock (child lock) on the bed guardrail is mainly characterized in that the guardrail provided with the lock tongue is firstly lifted to a position higher than the lock hole, then the retracted lock tongue is pressed down to align with the lock hole, and then the lock tongue is released to be inserted into the lock hole. Because the railing of bed guardrail is detachable construction, it is unstable to cause the railing to break away from under the state of locking, and the user has the pulling force to lead to the spring bolt to rock when putting the railing spring bolt to the position corresponding with the lockhole, and the user needs the finger to assist to press on lockhole structure just can accomplish the butt joint and the locking of spring bolt and lockhole fast.

Disclosure of Invention

In order to solve the technical problems, one of the purposes of the utility model is to provide a guardrail lock which has a simple structure and is not easy to shake after the lock head and the lock seat are in butt joint.

In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a guardrail lock, includes tapered end and lock seat, the one end concave recess of lock seat is equipped with the recess that a lower extreme runs through, just interval between the cell wall of recess both sides is narrowed in proper order to the tank bottom direction by the notch, be equipped with bolt portion in the recess, the one end of tapered end is equipped with the lock portion, just lock portion can stretch into in the recess with bolt portion detachably rotates to be connected, the tapered end can for the lock seat downward or upward swing.

The beneficial effects of the technical scheme are that: through with the tip and the lower extreme of recess open, so make the tapered end with lock seat detachably rotates the back of being connected, the tapered end can for lock seat down pendulum rotates or upwards swings to the level (because the upper end of recess is uncovered, the upper end of recess can be right the pendulum angle of tapered end is spacing, and the tapered end upwards swings to the level and resets promptly this moment), in addition, because the interval between the groove lateral wall of recess both sides reduces by notch side tank bottom side gradually, and the locking portion of tapered end with the recess cooperatees, so make the tapered end with after lock seat detachably rotates to be connected, the tapered end can not rock in the recess.

In the technical scheme, the bottom of the groove is arc-shaped, and the arc opening of the groove faces to the lower side of the notch of the groove.

The beneficial effects of the technical scheme are that: because the locking part is matched with the groove, the locking part is arc-shaped at the moment, and after the locking part is detachably hung on the bolting part, the locking part can rotate relative to the bolting part (the cambered surface side of the locking part and the cambered surface side of the groove bottom of the groove relatively rotate and limit so as to prevent the locking part from shaking relative to the bolting part).

According to the technical scheme, the bolting part is a positioning hole formed in the wall of two sides of the groove, the two positioning holes are aligned with each other, two sides of the locking part are respectively provided with a first elastic button protruding outwards, the first elastic buttons can retract into the locking part under the action of external force, the two first elastic buttons are in one-to-one correspondence with the two positioning holes, the locking part is inserted into the groove, the two first elastic buttons can extend into the corresponding positioning holes respectively, so that the lock head and the lock seat can be detachably and rotatably connected, or the two first elastic buttons can be pressed to retract into the locking part, and the locking part is pulled out of the groove so that the lock head and the lock seat are disconnected.

The beneficial effects of the technical scheme are that: the structure is simple, when the two first elastic buttons extend, the two first elastic buttons can serve as rotating shafts for the locking part to be rotationally connected with the lock head, and when external force retracts into the lock head, the connection with the lock seat can be released.

According to the technical scheme, the bolting part is a hanging rod transversely arranged in the groove, two ends of the hanging rod are respectively connected with the middle parts of groove walls on two sides of the groove, the locking part is a hanging fastener, the locking part can extend into the groove, and the hook mouth of the locking part faces upwards and is hung at the bolting part.

The beneficial effects of the technical scheme are that: at the moment, the locking part can take the hanging rod as a hanging point to be detachably connected with the lock seat, and can also take the hanging rod as a rotating shaft to be rotatably connected with the lock seat.

According to the technical scheme, the locking part is provided with the hook part and the lock tongue, the lock tongue can slide to the position where the hook opening of the hook part is blocked or opened, the lock tongue is close to the upper end of one end of the hook part, one side of the hook tip of the hook part, which is close to the hook opening, is an inclined surface, and when the lock tongue blocks the hook part, the two inclined surfaces enclose to form a V-shaped guide groove, and the guide groove is used for the hanging rod to extrude the lock tongue to slide to be opened.

The beneficial effects of the technical scheme are that: the structure is simple, so that the hanging rod can be extruded into the groove of the hook part through the guide groove without triggering the triggering part of the locking part.

In the technical scheme, the cross section of the hanging rod is matched with the hook groove of the hook part.

The beneficial effects of the technical scheme are that: so that after the locking part is hung with the hook, the locking part cannot shake relative to the hanging rod.

The second object of the present utility model is to provide a bed guard rail with simple structure and good stability.

In order to achieve the above object, another technical solution of the present utility model is as follows: the utility model provides a bed guardrail, includes railing, two stands and two guardrail locks as described above, two the stand is all vertical to be set up, and fix the both ends in the arbitrary side of the bed body, two the lock seat level sets up two respectively the upper end of stand, two the tapered end sets up respectively go up the both ends of railing, and two the tapered end respectively with correspond lock seat detachably connects.

The beneficial effects of the technical scheme are that: the structure is simple, and the two ends of the upper railing are connected with the upper ends of the two upright posts through the guardrail locks and then do not shake.

The technical scheme is that the lower railing is horizontally arranged between the two stand columns, and two ends of the lower railing are respectively connected with the lower ends of the two stand columns.

The beneficial effects of the technical scheme are that: so that the two upright posts can be better fixed on the bed body through the lower railing.

Drawings

FIG. 1 is a diagram showing an unlocking state of a guardrail lock according to embodiment 1 of the present utility model;

FIG. 2 is a diagram showing the locked state of the guardrail lock according to embodiment 1 of the present utility model;

FIG. 3 is a schematic structural view of a middle lock head according to embodiment 1 of the present utility model;

FIG. 4 is a cross-sectional view of the locked state of the guardrail lock according to embodiment 1 of the present utility model;

FIG. 5 is a diagram showing an unlocking state of a guardrail lock according to embodiment 2 of the present utility model;

FIG. 6 is a state diagram of the blocking of the latch hook portion of embodiment 2 of the present utility model;

FIG. 7 is a state diagram showing the opening of the lock hook in embodiment 2 of the present utility model;

FIG. 8 is a diagram showing the locked state of the guardrail lock according to embodiment 2 of the present utility model;

FIG. 9 is a cross-sectional view of a lock cylinder according to embodiment 2 of the present utility model;

FIG. 10 is a cross-sectional view of a lock base according to embodiment 2 of the present utility model;

FIG. 11 is a diagram showing the cooperation of the spacing male component and the spacing female component in embodiment 2 of the present utility model;

fig. 12 is a structural view of the bed guard rail according to embodiment 3 of the present utility model.

In the figure: 1 guardrail lock, 11 tapered end, 111 locking portion, 1111 first elastic button, 11111 first button body, 11112 first spring, 1112 couple portion, 1113 spring bolt, 11131 second bar hole, 1114 first mounting groove, 1115 second spring, 1116 toggle block, 1117 toggle rod, 112 slide, 113 first bar hole, 114 locking mechanism, 1141 second elastic button, 11411 second button body, 11412 third spring, 1142 spacing male member, 11421 spout, 1143 spacing female member, 11431 breach, 115 second mounting groove, 12 lock seat, 121 recess, 122 bolting portion, 1221 locating hole, 2 upper railing, 3 stand, 4 lower railing.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

Example 1

As shown in fig. 1-4, this embodiment provides a guardrail lock, including a lock 11 and a lock base 12, a groove 121 penetrating through the lower end is concavely provided at one end of the lock base 12, and the space between two side walls of the groove 121 is narrowed from the notch to the groove bottom in turn, a latch portion 122 is provided in the groove 121, one end of the lock 11 is provided with a latch portion 111, and the latch portion 111 can extend into the groove 121 and is detachably connected with the latch portion 122 in a rotating manner, the lock 11 can swing downward or upward relative to the lock base 12, and after the lock 11 is detachably connected with the lock base in a rotating manner, the lock can swing downward or upward relative to the lock base (since the upper end of the groove is not opened, the upper end of the groove can limit the swing angle of the lock, that is, the lock swings upward to the horizontal, that is, and in addition, since the space between two side walls of the groove is gradually reduced from the notch to the groove bottom side, the space can swing downward and is not matched with the lock base in a rotating manner, the lock cannot swing in the groove.

In the above technical solution, the bottom of the groove 121 is arc-shaped, and the arc opening of the groove is directed to the lower side of the notch of the groove 121, and because the locking portion is matched with the groove, the locking portion is also arc-shaped, and after the locking portion is detachably hung on the bolting portion, the locking portion can rotate relative to the bolting portion (the arc side of the locking portion and the arc side of the bottom of the groove are relatively rotated and limited, so as to avoid shaking of the locking portion relative to the bolting portion).

In the above technical solution, the bolting portion 122 is a positioning hole 1221 disposed on two side walls of the groove 121, the two positioning holes 1221 are aligned with each other, two sides of the locking portion 111 are respectively provided with a first elastic button 1111 protruding outwards, the first elastic buttons 1111 can retract into the locking portion 111 under the action of external force, the two first elastic buttons 1111 are in one-to-one correspondence with the two positioning holes 1221, the locking portion 111 is inserted into the groove 121, and the two first elastic buttons 1111 can respectively extend into the corresponding positioning holes 1221 to detachably rotate the locking head 11 and the locking seat 12, or press the two first elastic buttons 1111 to retract into the locking portion 111, and pull the locking portion 111 out of the groove 121 to release the locking head 11 from the locking seat 12.

The first elastic button 1111 includes a first button body 11111 and a first spring 11112, both sides of the locking portion 111 are concavely provided with a first mounting groove 1114, and two notches of the first mounting grooves 1114 deviate from each other, one first button body 11111 and one first spring 11112 are slidably mounted in each first mounting groove 1114, and the first spring 11112 is located between the first button body 11111 and the bottom wall of the first mounting groove 1114, the first button body 11111 tends to slide to extend out of the corresponding first mounting groove 1114 under the action of the elastic force corresponding to the first spring 11112, or the first button body 11111 extrudes corresponding to the first spring 11112 under the action of the external force so as to retract into the corresponding first mounting groove 1114, and the structure is simple, and the two first button bodies can independently stretch and retract.

The positioning hole 1221 is a circular hole, and the cross section of the first button body 11111 is circular; the diameter of the broken section of the first button body 11111 is consistent with the aperture of the positioning hole 1221, and the arc center of the bottom wall of the groove 121 is located on the connecting line of the circle centers of the two positioning holes 1221, so that the first button body is in the positioning hole and has good contact with the wall of the positioning hole, the first button body and the wall of the positioning hole can flexibly and relatively rotate, and the lock head can be further prevented from shaking relative to the lock seat.

Example 2

The difference between the above embodiment 1 and the above embodiment is that, as shown in fig. 5-8, the bolting portion 122 is a hanging rod transversely disposed in the groove 121, two ends of the hanging rod are respectively connected with the middle portions of two side groove walls of the groove 121, the locking portion 111 is a hanging fastener, the locking portion 111 can extend into the groove 121, and the hook opening of the locking portion 111 faces upward and is hooked at the bolting portion 122, at this time, the locking portion can use the hanging rod as a hooking point to be detachably connected with the lock base, and can use the hanging rod as a rotating shaft to be rotatably connected with the lock base.

In the above technical scheme, the locking portion 111 has a hook portion 1112 and a lock tongue 1113, the lock tongue 1113 may slide to the hook opening of the hook portion 1112 to be blocked or opened, and the lock tongue 1113 is close to the upper end of one end of the hook portion 1112 and one side of the hook tip of the hook portion 1112 close to the hook opening is an inclined plane, and when the lock tongue 1113 blocks the hook portion 1112, the two inclined planes enclose to form a guide groove 1114 in a V shape, the guide groove 1114 is used for the hanging rod to squeeze the lock tongue 1113 to slide to be opened, the structure is simple, and thus the triggering portion of the locking portion is not required to trigger the hanging rod to be extruded into the groove of the hook portion through the guide groove.

In the above technical solution, the cross section of the hanging rod is matched with the hook groove of the hook portion 1112, so that the locking portion cannot shake relative to the hanging rod after the locking portion is hooked with the hook.

The locking part also comprises a second spring 1115 and a poking block 1116, the lock head 11 is concavely provided with a slideway 112 for sliding the lock tongue 1113, the second spring 1115 is arranged in the slideway 112 and is propped against one end of the lock tongue 1113 positioned in the slideway 112, the elastic force of the second spring 1115 is used for driving the lock tongue 1113 to tend to slide out of the slideway 112 and blocking the hook mouth of the hook part 1112, the position of the upper end of the lock head 11 corresponding to the middle part of the slideway 112 is provided with a first bar-shaped hole 113, the position of the lock tongue 1113 corresponding to the lower part of the first bar-shaped hole 113 is provided with a second bar-shaped hole 11131 (the length directions of the first bar-shaped hole and the second bar-shaped hole are consistent with the sliding direction of the lock tongue), the poking block 1116 is slidably arranged at the first bar-shaped hole 113, the lower end of the poking block 1116 is vertically provided with a bar 1117 vertically penetrating through the first bar-shaped hole 113 and extending into the second bar-shaped hole 11131, when the locking bolt 1113 is in a reset state (i.e. the locking bolt 1113 plugs the hook opening of the hook portion), the toggle rod 1117 is located at one end of the second bar hole away from the hook portion (and abuts against one end of the second bar hole away from the hook portion, and the toggle block 1116 is located at one end of the first bar hole close to the hook portion), at this time, the inclined surface end of the locking bolt 1113 can retract into the sliding direction against the elastic force of the second spring 1115 and open the hook opening of the hook portion when being pressed, and during the process of retracting the locking bolt 1113 into the slideway, the locking bolt 1113 moves relatively to the toggle rod 1117 (but the toggle rod 1117 and the toggle block 1116 are stationary relative to the lock head, i.e. when the locking bolt 1113 is retracted into the slideway due to the pressing of the inclined surface end), the toggle block 1116 remains stationary), when the extrusion force of the inclined surface end of the lock tongue 1113 disappears, the lock tongue 1113 slides to reset under the action of the second spring 1115; also when the lock tongue 1113 is in a reset state and when an external force is used for poking the poking block 1116 to move along the first bar-shaped hole to be far away from the hook part, the poking rod 1117 moves along with the poking block 1116 at this time and drives the lock tongue 1113 to retract into the slideway (so as to open the hook opening of the hook part) against the elastic force of the second spring 1115, and when the external force is cancelled, the lock tongue 1113 slides to reset under the elastic force of the second spring 1115 and drives the poking rod 1117 and the poking block 1116 to move to reset.

In detail, as shown in fig. 9, in order to prevent the lock tongue 1113 from being retracted into the slide way by mistake of the toggle block 1116, a locking mechanism 114 for locking or unlocking the movement stroke of the toggle rod 1117 may be additionally provided below the second strip-shaped hole, the specific structure of the locking mechanism 114 includes a second elastic button 1141, a limit male member 1142 and a limit female member 1143, a second mounting groove 115 is concavely provided below the second strip-shaped hole corresponding to the lower end of the locking head, the middle part of the upper end of the second mounting groove 115 is in communication with the slide way and aligned with the second strip-shaped hole, and the second elastic button 1141 is mounted in the second mounting groove 115, the lower end of the second elastic button 1141 protrudes out of the locking head, the limit female member 1143 is positioned in the mounting groove and is fixedly mounted at the lower end of the toggle rod 1117, the limit male member 2 is mounted at the upper end of the second elastic button 1141, when the upper end of the second elastic button 1141 is corresponding to the lower end of the second strip-shaped hole, the second elastic button 1141 is pushed down to the hook member 1143, and the hook member is prevented from being pushed down by the hook member 1143, and the hook member 1143 is prevented from being pushed down to the hook member 1143, and the hook member is prevented from being slid up (when the hook member is pushed down to the hook member 1143 is prevented from being opened to the lower than the hook member 1143, and the hook member is prevented from being pushed down from being moved down by the hook member). The second elastic button 1141 includes a second button body 11411 and a third spring 11412, the second button body 11411 is vertically slidably mounted in the second mounting groove 115, the third spring 11412 is mounted in the second mounting groove 115, the upper end thereof abuts against the edge of the bottom wall of the mounting groove, the lower end thereof abuts against the upper end of the second button body 11411, the third spring 11412 may be provided with a plurality of (a plurality of third springs 11412 are enclosed on the edge of the upper end of the second button body 11411), and the limit male member 1142 is mounted in the middle of the upper end of the second button body 11411.

Referring to fig. 11 in detail, in the above technical solution, the limit male member 1142 is a vertical plate vertically disposed along the sliding direction of the lock tongue 1113, one end of the limit male member 1142, which is close to the hook portion, is concavely provided with a chute 11421 with two through sides, the limit female member 1143 is a block (in a "C" shape) with a notch 11431 with two through ends concavely provided on a side, when the second elastic button 1141 is reset, the upper end of the limit male member 1142 abuts against the lower end of the limit female member 1143 to block the limit female member 1143 from sliding away from the hook portion, under the action of an external force, the second elastic button 1141 is pressed to make the limit male member 1142 move upward until the upper end of the limit male member 1142 aligns with the notch 11431, and the lower portion of the limit female member 1143 aligns with the chute 11421, at this time, the elastic force of the toggle block 1116 can drive the toggle rod 1117, the limit female member 1143 and the second elastic force of the toggle member 1113 to overcome the elastic force of the toggle rod 1115 and the hook 1115 or the hook 1113 to move away from the hook portion (the elastic force of the hook 1111115 and the hook 1113 is far from the hook portion).

Referring to fig. 10 in detail, the groove bottom of the groove in this embodiment is arc-shaped as in embodiment 1, the end portions of the groove walls at two sides of the groove are arc-shaped transition regions, the corresponding positions of the lock heads are arc-shaped regions matched with the arc-shaped transition regions,

example 3

As shown in fig. 12, this embodiment provides a bed guard rail, which comprises an upper guard rail 2, two upright posts 3 and two guard rail locks 1 as described in embodiment 1 or embodiment 2, wherein the two upright posts 3 are vertically arranged and fixed at two ends of any side of a bed body, the two lock bases 12 are respectively horizontally arranged at two upper ends of the upright posts 3 (and two ends of the lock bases 12 provided with bolting parts 122 are mutually close), the two lock heads 11 are respectively arranged at two ends of the upper guard rail 2 (and the locking parts 111 thereof are mutually far away), the upper guard rail 2 is horizontally arranged between the two lock bases 12, the two lock heads 11 are respectively detachably connected with the corresponding lock bases 12, the structure is simple, and the two ends of the upper guard rail cannot shake after being connected with the upper ends of the two upright posts through the guard rail locks.

Still include down railing 4 among the above-mentioned technical scheme, lower railing 4 level sets up two between the stand 3, and its both ends respectively with two the lower extreme of stand 3 is connected, so make two stands accessible lower railing better fix on the bed body.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (8)

1. The utility model provides a guardrail lock, its characterized in that, includes tapered end (11) and lock seat (12), the one end concave recess of lock seat (12) is equipped with recess (121) that a lower extreme runs through, just interval between recess (121) both sides cell wall is narrowed in proper order to the tank bottom direction by the notch, be equipped with bolt portion (122) in recess (121), the one end of tapered end (11) is equipped with lock portion (111), just lock portion (111) can stretch into in recess (121) with bolt portion (122) detachably rotates to be connected, tapered end (11) can for lock seat (12) down or upwards swing.

2. Guardrail lock according to claim 1, characterized in that the bottom of the groove (121) is arc-shaped with its arc opening facing under the notch of the groove (121).

3. Guardrail lock according to claim 1 or 2, characterized in that the bolting part (122) is a positioning hole (1221) arranged on the groove wall at two sides of the groove (121), and the two positioning holes (1221) are aligned with each other, two sides of the locking part (111) are respectively provided with a first elastic button (1111) protruding outwards, the first elastic button (1111) can retract into the locking part (111) under the action of external force, the two first elastic buttons (1111) are in one-to-one correspondence with the two positioning holes (1221), the locking part (111) is inserted into the groove (121), and the two first elastic buttons (1111) can respectively extend into the corresponding positioning holes (1221) to detachably and rotatably connect the lock head (11) with the lock seat (12), or press the two first elastic buttons (1111) to retract into the locking part (111) and release the lock head (111) from the groove (121) to connect the lock head (11) with the lock seat (12).

4. The guardrail lock according to claim 1 or 2, characterized in that the bolting part (122) is a hanging rod transversely arranged in the groove (121), two ends of the hanging rod are respectively connected with the middle parts of groove walls at two sides of the groove (121), the locking part (111) is a hanging fastener, the locking part (111) can extend into the groove (121), and a hook mouth of the locking part faces upwards and is hung at the bolting part (122).

5. The guardrail lock according to claim 4, characterized in that the locking portion (111) is provided with a hook portion (1112) and a lock tongue (1113), the lock tongue (1113) can slide to plug or open a hook opening of the hook portion (1112), the upper end of the lock tongue (1113) close to one end of the hook portion (1112) and one side of a hook tip of the hook portion (1112) close to the hook opening are inclined surfaces, when the lock tongue (1113) plugs the hook portion (1112), two inclined surfaces enclose to form a V-shaped guide groove (1114), and the guide groove (1114) is used for the hanging rod to squeeze the lock tongue (1113) to slide to open.

6. The guardrail lock of claim 5, characterized in that the cross-section of the hanger bar mates with the hook slot of the hook portion (1112).

7. The bed guardrail is characterized by comprising an upper guardrail (2), two upright posts (3) and two guardrail locks (1) as claimed in any one of claims 1-6, wherein the two upright posts (3) are vertically arranged and fixed at two ends of any side of a bed body, the two lock bases (12) are respectively horizontally arranged at the upper ends of the two upright posts (3), the two lock heads (11) are respectively arranged at two ends of the upper guardrail (2), and the two lock heads (11) are respectively detachably connected with the corresponding lock bases (12).

8. The bed rail of claim 7, further comprising a lower rail (4), wherein the lower rail (4) is horizontally disposed between the two upright posts (3), and both ends thereof are respectively connected to lower ends of the two upright posts (3).

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