CN220365503U - Novel flexible protection door fence - Google Patents

Abstract

The utility model discloses a novel telescopic protective door rail, which is characterized in that a locking mechanism is arranged in an upper fixing seat of a telescopic protective door curtain, the locking mechanism comprises a ratchet wheel, a pawl and a torsion spring, and the ratchet wheel can be limited to pivot towards the direction of unfolding a curtain body when the pawl is meshed with the ratchet wheel. The adjusting knob capable of moving between the positions of ascending and separating the ratchet wheel and the positions of descending and connecting the ratchet wheel is arranged above the ratchet wheel, the pushing part capable of moving between the positions of advancing to force the pawl to be far away from the ratchet wheel and retreating to be far away from the pawl is arranged on the adjusting knob, the ratchet wheel and the pawl are driven to be disengaged by lifting the adjusting knob and pushing the adjusting knob forwards, so that the ratchet wheel is unlocked, the curtain body is unfolded or retracted, and when the ratchet wheel is locked, the adjusting knob can be rotated anticlockwise to drive the ratchet wheel to rotate towards the direction of retracting the curtain body, so that the tension of the curtain body is adjusted, the adjusting knob is simple in integral structure and convenient to operate, is not easy to unlock, and the condition that a child pulls the curtain body to play can not occur.

Description

Novel flexible protection door fence

Technical Field

The utility model relates to the technical field of child protection products, in particular to a novel telescopic protective door rail.

Background

In order to prevent accidents such as walking away and personal injury caused by the infant going out from the room, people often install a telescopic protective door rail on the indoor door. The protective door rail mainly comprises an upper fixing seat, a lower fixing seat, a scroll component, a curtain body and the like, wherein the curtain body is connected with the scroll component and can be pulled out, and the curtain body can be automatically rolled up through the scroll component.

The locking mechanism is generally arranged in the upper fixing seat, the reel assembly can not rotate after locking and can not unwind or retract the curtain body, and the reel assembly can automatically rotate after unlocking, so that the curtain body can be automatically wound.

The telescopic protective door rail on the market at present has some problems, such as complex locking structure of the telescopic protective door rail, inconvenient assembly, easy unlocking of the scroll component, and certain danger in the situation that children can play by pulling the curtain body.

Disclosure of Invention

The utility model mainly aims to provide a novel telescopic protective door fence, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides a novel telescopic protective door rail, which comprises a scroll component, a curtain body arranged on the scroll component, and an upper fixing seat and a lower fixing seat respectively assembled at the upper end and the lower end of the scroll component, wherein the upper fixing seat is provided with a locking mechanism, the locking mechanism comprises a ratchet wheel, a pawl and a torsion spring, the ratchet wheel is connected with the upper end of the scroll component and can pivot along with the rotation of the scroll component, the pawl can swing between a position meshed with the ratchet wheel and a position far away from the ratchet wheel, the torsion spring applies elastic force for swinging towards the meshing direction of the ratchet wheel to the pawl, and the pawl can limit the ratchet wheel to pivot towards the direction of expanding the curtain body when meshed with the ratchet wheel;

the top of the ratchet wheel is movably connected with an adjusting knob, the adjusting knob can move between the positions of ascending and separating the ratchet wheel and the positions of descending and connecting the ratchet wheel, the adjusting knob is connected with a pushing part, the pushing part can move between the positions of advancing to force the pawl to be far away from the ratchet wheel and retreating to be far away from the pawl, and the ratchet wheel and the pawl are forced to be disengaged by driving the pushing part in a mode of lifting the adjusting knob and pushing the adjusting knob forward.

The technical scheme of the utility model is that a locking mechanism is arranged in an upper fixing seat of the telescopic protective door curtain, the locking mechanism comprises a ratchet wheel which is connected with the upper end of a scroll component and can rotate along with the scroll component, a pawl which can swing between a position meshed with the ratchet wheel and a position far away from the ratchet wheel, and a torsion spring which can apply elastic force for the pawl to swing towards the meshing direction of the ratchet wheel, and when the pawl is meshed with the ratchet wheel, the ratchet wheel can be limited to pivot towards the direction of unfolding the curtain body. The adjusting knob capable of moving between the positions of ascending and separating the ratchet wheel and the positions of descending and connecting the ratchet wheel is arranged above the ratchet wheel, the pushing part capable of moving between the positions of advancing to force the pawl to be far away from the ratchet wheel and retreating to be far away from the pawl is arranged on the adjusting knob, when the adjusting knob is lifted and the adjusting knob is pushed forward to drive the pushing part to force the ratchet wheel and the pawl to be disengaged, so that the ratchet wheel is unlocked, the curtain body can be unfolded or retracted, when the ratchet wheel is locked, the adjusting knob can be rotated anticlockwise to drive the ratchet wheel to rotate towards the direction of retracting the curtain body, so that the tension degree of the curtain body when the curtain body is unfolded or after being retracted is adjusted, the adjusting knob is simple in integral structure, convenient to operate and not easy to unlock, and the curtain body is pulled by children to play.

Drawings

FIG. 1 is a first angular exploded view of an upper mounting bracket;

FIG. 2 is a second angular exploded view of the upper mounting bracket;

FIG. 3 is an assembly view of the base, knob, follower, limiter, and ratchet;

FIG. 4 is a first angular perspective view of the upper fixture;

FIG. 5 is a second angular perspective view of the upper mounting bracket;

FIG. 6 is a schematic view of the curtain of the present utility model as it is deployed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a novel telescopic protective door fence.

In the embodiment of the utility model, as shown in fig. 1 to 6, the novel telescopic protective door rail comprises a scroll component 100, a curtain body 200 arranged on the scroll component 100, and an upper fixing seat 300 and a lower fixing seat 400 respectively assembled at the upper end and the lower end of the scroll component 100, wherein the upper fixing seat 300 is provided with a locking mechanism, the locking mechanism comprises a ratchet wheel 1, a pawl 2 and a torsion spring 3, the ratchet wheel 1 is connected with the upper end of the scroll component 100 and can pivot along with the rotation of the scroll component 100, the pawl 2 can swing between a meshing position and a distant position with the ratchet wheel 1, the torsion spring 3 applies elastic force for swinging the pawl 2 towards the meshing direction with the ratchet wheel 1, and the pawl 2 can limit the ratchet wheel 1 to pivot towards the direction of expanding the curtain body 200 when meshing with the ratchet wheel 1; the top of the ratchet wheel 1 is movably connected with an adjusting knob 4, the adjusting knob 4 can move between the positions of ascending and separating from the ratchet wheel 1 and descending and connecting with the ratchet wheel 1, the adjusting knob 4 is connected with a pushing part 5, the pushing part 5 can move between the positions of advancing to force the pawl 2 to be far away from the ratchet wheel 1 and retreating to be far away from the pawl 2, and the pushing part 5 can be driven to force the ratchet wheel 1 and the pawl 2 to be disengaged by lifting the adjusting knob 4 and pushing the adjusting knob 4 forwards.

The technical scheme of the utility model is that a locking mechanism is arranged in an upper fixing seat of the telescopic protective door curtain, the locking mechanism comprises a ratchet wheel which is connected with the upper end of a scroll component and can rotate along with the scroll component, a pawl which can swing between a position meshed with the ratchet wheel and a position far away from the ratchet wheel, and a torsion spring which can apply elastic force for the pawl to swing towards the meshing direction of the ratchet wheel, and when the pawl is meshed with the ratchet wheel, the ratchet wheel can be limited to pivot towards the direction of unfolding the curtain body. The adjusting knob capable of moving between the positions of ascending and separating the ratchet wheel and the positions of descending and connecting the ratchet wheel is arranged above the ratchet wheel, the pushing part capable of moving between the positions of advancing to force the pawl to be far away from the ratchet wheel and retreating to be far away from the pawl is arranged on the adjusting knob, when the adjusting knob is lifted and the adjusting knob is pushed forward to drive the pushing part to force the ratchet wheel and the pawl to be disengaged, so that the ratchet wheel is unlocked, the curtain body can be unfolded or retracted, when the ratchet wheel is locked, the adjusting knob can be rotated anticlockwise to drive the ratchet wheel to rotate towards the direction of retracting the curtain body, so that the tension degree of the curtain body when the curtain body is unfolded or after being retracted is adjusted, the adjusting knob is simple in integral structure, convenient to operate and not easy to unlock, and the curtain body is pulled by children to play.

Specifically, a first supporting portion 301 is disposed at a position of the outer wall of the upper fixing seat 300 corresponding to the front of the adjusting knob 4, the adjusting knob 4 is lifted up and pushed forward and pushed back to form an up-down abutment with the first supporting portion 301 to support the adjusting knob 4 through the first supporting portion 301, so as to avoid that the adjusting knob 4 is connected with the ratchet wheel 1 again due to descending of the adjusting knob 4, further, the adjusting knob 4 is integrally in a concave structure with an open bottom, an annular supporting ring 45 is fixed on the inner side of the adjusting knob 4, at least one second supporting portion 307 is disposed at a position of the outer wall of the upper fixing seat 300 corresponding to the inner side of the supporting ring 45, when the ratchet wheel 1 is meshed with the pawl 2, the second supporting portion 307 is located on the inner side of the supporting ring 45, and after the ratchet wheel 1 is disengaged from the pawl 2, the second supporting portion 307 is located below the supporting ring 45 and abuts against the supporting ring up-down.

Specifically, the adjusting knob 4 is provided with a connecting shaft 41 extending downwards, a noncircular insertion hole 42 is formed in the bottom wall of the connecting shaft 41, a cover body 6 is arranged above the ratchet wheel 1, an insertion part 11 matched with the insertion hole 42 is arranged on the top wall of the cover body 6, and the insertion part 11 is locked with the insertion hole 42 through a screw after being inserted.

Specifically, the top wall of the ratchet 1 is annularly provided with a plurality of first wedges 12 at intervals, the cover body (6) is movably mounted at the top of the ratchet 1 and can enclose the plurality of first wedges 12, a second wedge 61 is arranged at a position between two adjacent first wedges 12 corresponding to the inner side of the cover body 6, after the cover body 6 encloses the plurality of first wedges 12, the second wedge 61 is inserted into the position between two adjacent first wedges 12, the top wall of the first wedge 12 and the bottom wall of the second wedge 61 are mutually matched inclined surfaces, the insertion part 11 is positioned at the top wall of the cover body 6, the connecting shaft 41 is sleeved with a first top spring 500, the lower end of the first top spring 500 is fixedly connected with the top wall of the cover body 6, the upper end of the first top spring 500 is fixedly connected with the inner side of the upper fixed seat 300, the ratchet 1 can be driven to pivot anticlockwise through the cover body 6 by anticlockwise rotating the adjusting knob 4, the reel assembly 100 is driven to pivot towards the direction of retracting the curtain body 200, so that the tension of the curtain body 200 after being unfolded is adjusted, or the tension of the curtain body 200 after being retracted is adjusted, in the process that the cover body 6 drives the ratchet wheel 1 to pivot anticlockwise, the first top spring 500 is stressed to gradually shrink and store force, in the shrinking process, the cover body 6 can be driven to ascend and gradually keep away from the ratchet wheel 1 until the second wedge blocks 61 are lifted to a position separated from the adjacent two first wedge blocks 12, the first top spring 500 stops the shrinking state to release the accumulated force to force the cover body 6 to pivot relative to the ratchet wheel 1 until most of the accumulated force is released, the cover body 6 is forced to descend through the self elastic force of the first top spring 500, and in the descending process, the second wedge blocks 61 are reinserted into the position between the adjacent two first wedge blocks 12 through the guiding cooperation of the inclined planes.

Specifically, the connecting shaft 41 is sleeved with a strip-shaped follower 43, and one end of the follower 43 away from the connecting shaft 41 is provided with the pushing part 5 extending downwards.

Specifically, a plate-shaped limiting member 44 is further provided, the limiting member 44 is fixedly mounted in the upper fixing seat 300 at a position corresponding to the position between the follower 43 and the cover 6, and the limiting member 44 is provided with a first avoidance hole 441 and a second avoidance hole 442 in a long strip shape corresponding to the position of the connecting shaft 41 and the pushing portion 5, so as to avoid the advancing actions of the connecting shaft 41 and the pushing portion 5 respectively.

Specifically, a first mark 431 and a second mark 432 are adjacently arranged around the top wall of one end of the follower 43 far away from the connecting shaft 41, an observation window 302 communicated with the inside of the upper fixing seat 300 is provided at the top of the upper fixing seat 300, when the pawl 2 is meshed with the ratchet wheel 1, the first mark 431 is aligned up and down with the observation window 302, after the push part 5 forces the pawl 2 to be far away from the ratchet wheel 1, the second mark 432 is aligned up and down with the observation window 302, specifically, in this embodiment, the first mark is a curtain locked state, and the second mark is a curtain unlocked state.

Specifically, a third elongated avoidance hole 303 is formed in the top wall of the cover 6 at a position corresponding to the connection shaft 41, for avoiding the forward movement of the connection shaft 41.

Specifically, the upper fixing base 300 includes an upper cover 304 and a base 305, the upper cover 304 and the base 305 are detachably connected and fixed by a fastening structure or are detachably locked by a screw to form an accommodating space for accommodating the locking mechanism, and the adjusting knob 4 is located outside the upper cover 304.

Specifically, the connecting piece 7 for fixedly connecting with the position to be installed is detachably mounted on the matching surface of the upper fixing seat 300 and the position to be installed, and the upper fixing seat 300 can be detachably assembled with the position to be installed through the detachable matching of the connecting piece 7 so as to be convenient to install or detach quickly.

Specifically, the whole connecting piece 7 is in a plate structure, the upper side, the left side and the right side of the connecting piece 7 are outwards provided with extension parts 71, a step shape is formed between the connecting piece 7 and the extension parts 71, the upper fixing seat 300 is provided with a clamping groove 306 with a bottom opening, one side of the clamping groove 306 close to a position to be installed is provided with a partial opening which is matched with the connecting piece 7 (except for the extension parts 71), the connecting piece 7 can be vertically inserted into the clamping groove 306 through the bottom opening of the clamping groove 306, so that the extension parts 71 are horizontally opposite to the inner wall of the clamping groove 306 to limit the connecting piece 7 from being separated from the clamping groove 306 from the horizontal direction;

the locking device is further provided with a locking piece 8 and a second top spring 9, the locking piece 8 is movably arranged in the upper fixing seat 300, the locking piece 8 is provided with a driving part 81 and a locking part 82, one side, close to the locking piece 8, of the connecting piece 7 is provided with a lock hole 72 through which the locking part 82 can be horizontally inserted, the locking part 82 can be limited to be separated from the clamping groove 306 from the vertical direction when being positioned in the lock hole 72, one end of the second top spring 9 is fixedly connected with the inner side of the upper fixing seat 300, the other end of the second top spring is elastically abutted against the locking piece 8 and is used for applying elastic force to the locking piece 8 for moving in the direction of inserting the locking part 82 into the lock hole 72, the driving part 81 vertically penetrates through the bottom wall of the upper fixing seat 300 and is exposed outside, the driving piece can be driven to move in the direction of separating the locking part 82 from the lock hole 72 through external force, the second top spring 9 is compressed, and after the applied external force is cancelled, the second top spring 9 releases the elastic force to push the locking piece 8 to enable the locking part 82 to be inserted into the lock hole 72.

Specifically, the bottom of the upper fixing seat 300 is provided with a long strip-shaped fourth avoidance hole, and the driving part 81 vertically passes through the fourth avoidance hole and is exposed outside.

Specifically, the end of the locking portion 82 is an inclined surface, during the vertical insertion of the connecting piece 7 into the clamping groove 306, the locking piece 8 may be forced to drive the locking portion 82 to move in a direction away from the lock hole 72 by the inclined surface, and when the connecting piece 7 moves until the lock hole 72 is aligned with the locking portion 82, the locking piece 8 may be pushed by the elastic force of the second top spring 9 to insert the locking portion 82 into the lock hole 72.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (11)

1. The utility model provides a novel flexible protection door fence, includes spool subassembly (100), locates curtain body (200) of spool subassembly (100) and assembles fixing base (300) and fixing base (400) down in spool subassembly (100) upper and lower both ends respectively, goes up fixing base (300) and is equipped with locking mechanism, its characterized in that:

the locking mechanism comprises a ratchet wheel (1), a pawl (2) and a torsion spring (3), wherein the ratchet wheel (1) is connected with the upper end of the scroll assembly (100) and can rotate along with the rotation of the scroll assembly (100), the pawl (2) can swing between a position meshed with the ratchet wheel (1) and a position far away from the ratchet wheel, the torsion spring (3) applies elastic force for swinging the pawl (2) towards the meshing direction of the ratchet wheel (1), and the pawl (2) can limit the ratchet wheel (1) to pivot towards the direction of the unfolding curtain body (200) when meshed with the ratchet wheel (1);

the top of the ratchet wheel (1) is movably connected with an adjusting knob (4), the adjusting knob (4) can move between the positions of ascending and separating from the ratchet wheel (1) and descending and connecting with the ratchet wheel (1), the adjusting knob (4) is connected with a pushing part (5), the pushing part (5) can move between the positions of advancing to force the pawl (2) to be far away from the ratchet wheel (1) and retreating to be far away from the pawl (2), and the pushing part (5) can be driven to force the ratchet wheel (1) and the pawl (2) to be disengaged by lifting the adjusting knob (4) and pushing the adjusting knob (4) forwards.

2. The novel telescoping protective door rail of claim 1, wherein: the position of the outer wall of the upper fixing seat (300) corresponding to the front of the adjusting knob (4) is provided with a first supporting part (301), the adjusting knob (4) is lifted up and pushed forward and pushed back to be propped against the first supporting part (301) up and down so as to support the adjusting knob (4) through the first supporting part (301), the adjusting knob (4) is integrally of a concave structure with an open bottom, an annular supporting ring (45) is fixed on the inner side of the adjusting knob (4), at least one second supporting part (307) is arranged at the position of the outer wall of the upper fixing seat (300) corresponding to the inner side of the supporting ring (45), when a ratchet wheel (1) is meshed with a pawl (2), the second supporting part (307) is positioned on the inner side of the supporting ring (45), and after the ratchet wheel (1) is disengaged from the pawl (2), the second supporting part (307) is positioned below the supporting ring and is propped against the supporting ring up and down.

3. The novel telescoping protective door rail of claim 1, wherein: the adjusting knob (4) is provided with a connecting shaft (41) extending downwards, a noncircular inserting hole (42) is formed in the bottom wall of the connecting shaft (41), a cover body (6) is arranged above the ratchet wheel (1), an inserting part (11) matched with the inserting hole (42) is arranged on the top wall of the cover body (6), and the inserting part (11) is locked with the inserting hole (42) through a screw after being inserted.

4. A novel telescoping protective door sill as in claim 3 wherein: the ratchet (1) roof annular interval is equipped with a plurality of first voussoirs (12), lid (6) movable mounting is in ratchet (1) top and can be with a plurality of first voussoirs (12) are encircled, and the lid (6) inboard corresponds the position between two adjacent first voussoirs (12) and is equipped with second voussoirs (61), and lid (6) will a plurality of behind the encirclement of first voussoirs (12), the position between two adjacent first voussoirs (12) is inserted in second voussoirs (61), and the roof of first voussoirs (12) and the diapire of second voussoirs (61) are the inclined plane of mutually supporting, connecting axle (41) cover is equipped with first top spring (500), the lower extreme of first top spring (500) with the roof fixed connection of lid (6), the upper end of first top spring (500) and the inboard fixed connection of fixing base (300).

5. The novel telescoping protective door rail of claim 4, wherein: the connecting shaft (41) is sleeved with a strip-shaped follow-up piece (43), one end, far away from the connecting shaft (41), of the follow-up piece (43) is provided with a pushing part (5) extending downwards, and the upper end of the first top spring is fixedly connected with the inner side of the follow-up piece.

6. The novel telescoping protective door rail of claim 5, wherein: the novel anti-theft device is characterized by further comprising a plate-shaped limiting piece (44), wherein the limiting piece (44) is fixedly arranged at a position, corresponding to the position between the follow-up piece (43) and the cover body (6), inside the upper fixing seat (300, the limiting piece (44) is provided with a first avoidance hole (441) and a second avoidance hole (442) which are long in strip shapes, corresponding to the positions of the connecting shaft (41) and the pushing part (5), so as to avoid the advancing actions of the connecting shaft (41) and the pushing part (5) respectively.

7. The novel telescoping protective door rail of claim 5, wherein: the top wall of one end of the follow-up piece (43) far away from the connecting shaft (41) is provided with a first mark (431) and a second mark (432) in a front-back adjacent mode, an observation window (302) communicated with the inside of the upper fixing seat (300) is arranged at the top of the upper fixing seat (300), when the pawl (2) is meshed with the ratchet wheel (1), the first mark (431) is aligned with the observation window (302) up and down, and after the pawl (2) is forced to be far away from the ratchet wheel (1) by the pushing part (5), the second mark (432) is aligned with the observation window (302) up and down.

8. A novel telescoping protective door sill as in claim 3 wherein: a third avoidance hole (303) is formed in the top wall of the cover body (6) corresponding to the connecting shaft (41) in a penetrating mode and is used for avoiding the advancing action of the connecting shaft (41).

9. The novel telescoping protective door rail of claim 1, wherein: the upper fixing seat (300) comprises an upper cover (304) and a base (305), the upper cover (304) and the base (305) are detachably connected and fixed through a buckle structure or are detachably locked through screws to form an accommodating space for accommodating the locking mechanism, and the adjusting knob (4) is located on the outer side of the upper cover (304).

10. The novel telescoping protective door rail of any one of claims 1-9, wherein: the upper fixing seat (300) and the matching surface of the position to be installed are detachably provided with a connecting piece (7) which is fixedly connected with the position to be installed.

11. The novel telescoping protective door rail of claim 10, wherein: the connecting piece (7) is integrally in a plate-shaped structure, an extension part (71) is outwards arranged on the upper side, the left side and the right side of the connecting piece (7), a step shape is formed between the connecting piece (7) and the extension part (71), a clamping groove (306) with an opening at the bottom is formed in the upper fixing seat (300), one side of the clamping groove (306) close to a position to be installed is partially opened, the connecting piece (7) can be vertically inserted into the clamping groove (306) through the opening at the bottom of the clamping groove (306), and the extension part (71) is horizontally opposite to the inner wall of the clamping groove (306) so as to limit the connecting piece (7) from being separated from the clamping groove (306) from the horizontal direction;

still be equipped with locking piece (8) and second top spring (9), locking piece (8) movable mounting is in last fixing base (300), and locking piece (8) are equipped with drive portion (81) and locking portion (82), one side that connecting piece (7) are close to locking piece (8) is equipped with can supply locking portion (82) horizontal male lockhole (72), can restrict connecting piece (7) follow vertical direction to break away from draw-in groove (306) when locking portion (82) are located lockhole (72), second top spring (9) one end and the inboard fixed connection of last fixing base (300), the other end offsets with locking piece (8) elasticity for apply the elasticity of inserting lockhole (72) direction motion to locking piece (8), drive portion (81) vertically pass the diapire of last fixing base (300) and expose outside, accessible external force drives the drive piece and breaks away from the direction motion of lockhole (72) towards locking portion (82).