Novel base of retractable door fence

Abstract

The utility model discloses a novel base of a retractable door fence, which is characterized in that a self-locking function is added on the basis of the prior art, a self-locking mechanism is triggered to lock a pivoting piece so as to stop the automatic rolling of a curtain body, and the stopping can be released by pivoting towards the direction of unfolding the curtain body. The situation that the curtain body of the retractable door fence swings to hurt a human body in the automatic rolling process and hurt the human body or the curtain body is damaged due to the fact that the curtain body collides with hard objects and sharp objects in the swinging process is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of door barriers, in particular to a novel base of a telescopic door barrier. Background Art

[0002] Retractable gates are mostly used indoors or in courtyards. Retractable gates are used to separate indoor spaces or courtyard spaces so as to form different temporary activity spaces indoors or in the courtyard for infants and young children to move around. Specifically, the retractable gate includes a lock, a base, a rotating drum and a curtain body. The rotating drum can be pivotally installed between the lock and the base, and one end of the curtain body is arranged on the rotating drum. A torsion spring is arranged in the rotating drum. The rotational elastic force of the torsion spring can cause the rotating drum to rotate in one direction around its own axis, so that the rotating drum can retract the curtain body. When the rotating drum pivots in the direction of unfolding the curtain body, it can drive the torsion spring to compress and accumulate force. When the rotating drum pivots in the direction of rolling up the curtain body, the torsion spring is decompressed and releases the elastic force to accelerate the pivoting speed of the rotating drum. When in use, it is mainly achieved by grasping the end of the curtain body and pulling it, so as to unfold the curtain body to an appropriate length and then fix the end of the curtain body.

[0003] There are some shortcomings in the above-mentioned prior art: when the curtain body is unfolded and the end is not fixed, loosening the end of the curtain body will cause the curtain body to automatically roll up, and due to the influence of the release of the elastic force of the torsion spring, the curtain body automatically rolls up at a faster speed, causing the curtain body to swing during the automatic rolling process. Especially when the free end of the curtain body is connected to a hard object, it is easy to hit the human body and cause injury to the human body when swinging, or the curtain body collides with hard or sharp objects during the swinging process, causing damage to the curtain body. Utility Model Content

[0004] The main purpose of the utility model is to provide a novel base for a telescopic door railing, aiming to solve the deficiencies mentioned in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a novel base of a telescopic door rail, comprising:

[0006] seat body;

[0007] A pivoting member, the pivoting member is used to be fixedly connected to the rotating lower end of the telescopic door rail, the pivoting member can be pivotally mounted on the base body and can be pivoted relative to the base body in the direction of unfolding the curtain body or in the direction of rolling up the curtain body;

[0008] Self-locking mechanism, the self-locking mechanism is arranged on the seat body and is used to lock the pivoting member when the pivoting member pivots towards the direction of winding the curtain body and reaches or exceeds a predetermined pivoting speed. The seat body is provided with a receiving cavity with an open top, the self-locking mechanism is arranged in the receiving cavity, and the bottom of the pivoting member is pivotally installed in the receiving cavity and closes the top opening of the receiving cavity; the self-locking mechanism includes a ratchet groove arranged in the receiving cavity, a moving piece and a driving ring with a partial opening; several teeth for cooperating with the ratchet groove are formed on the outer edge of the moving piece, and the driving ring is arranged on the bottom wall of the pivoting member and is coaxial with the pivoting member; the moving piece is movably arranged in the ratchet groove and can move between positions where the teeth are engaged with and away from the ratchet groove. The moving piece is also provided with a groove into which the driving ring can extend, and an arc-shaped portion that can pass through the opening of the driving ring is arranged in the groove. The two ends of the arc-shaped portion are respectively matched with the inner wall of the groove to form a first clamping position and a second clamping position;

[0009] The driving ring can pivot between a position where one end is inserted into the first clamping position and a position where the other end abuts against the arc-shaped portion as the pivoting member pivots. By cooperating with the first clamping position at one end, the driving ring drives the moving piece to move in a direction away from the ratchet groove by the teeth, and cooperates with the local outer wall of the driving ring to abut against the local groove, so that the moving piece can pivot towards the unfolded curtain body together with the pivoting member when the teeth are not engaged with the second ratchet groove. By the local abutment of the driving ring and the groove and the cooperation of the other end with the arc-shaped portion, the moving piece can pivot towards the wound curtain body together with the pivoting member when the teeth are not engaged with the second ratchet groove;

[0010] When the pivoting member pivots towards the direction of winding the curtain body and reaches or exceeds a predetermined pivoting speed, the generated centrifugal force forces the moving piece to displace, so that the arc-shaped portion passes through the opening of the driving ring, thereby driving the teeth to move to cooperate with the ratchet groove to stop the pivoting of the pivoting member.

[0011] Preferably, the receiving cavity is circular, and the bottom of the pivoting member is provided with a circular plate adapted to the shape of the receiving cavity.

[0012] Preferably, the moving piece is oval.

[0013] Preferably, the moving piece is made of metal.

[0014] Preferably, the ratchet groove is directly formed in the receiving cavity. Alternatively, a ring-shaped member fixed to the receiving cavity is provided, and the inner ring of the ring-shaped member is the ratchet groove.

[0015] Preferably, the ring-shaped member is locked by screws or fixed to the receiving cavity by a snap structure. Alternatively, a plurality of limiting strips for inserting into the ring-shaped member are annularly spaced in the receiving cavity, so as to fix the ring-shaped member in the receiving cavity through the insertion and cooperation of the plurality of limiting strips and the ring-shaped member.

[0016] Preferably, the ring-shaped member is a sheet body.

[0017] Preferably, the annular member is made of metal or plastic.

[0018] In the technical solution of the present utility model, a pivot member fixedly connected to the rotating cylinder is pivotally provided on the seat body of the self-locking base, and a self-locking mechanism is provided on the self-locking base. When assembling with the retractable railing, the pivot member is fixedly connected to the lower end of the rotating cylinder of the retractable railing. When the rotating cylinder pivots towards the direction of retracting the rolling curtain body, the torsion spring inside the rotating cylinder is released from compression to release elastic force, so that the rotating cylinder and the pivot member reach or exceed a predetermined speed, and the centrifugal force generated swings the moving piece, causing the moving piece to displace so that the arc portion passes through the opening of the driving ring and the other end of the driving ring is inserted into the second clamping position, thereby enabling the engagement of the teeth with the ratchet groove and terminating the pivoting of the pivot member. Compared with the traditional one, the present utility model adds a self-locking function on the basis of the existing technology, triggers the self-locking mechanism to lock the pivot member, thereby terminating the automatic retraction of the curtain body. Pivoting in the direction of unfolding the curtain body can release the termination, effectively avoiding the situation that the curtain body of the retractable railing swings and hits a person during the automatic retraction process, causing injury to the person, or the curtain body collides with hard objects or sharp objects during the swinging process, resulting in damage to the curtain body. Description of the Drawings

[0019] Figure 1 is a perspective view of the present utility model;

[0020] Figure 2 is a first sectional view of the present utility model;

[0021] Figure 3 is a second sectional view of the present utility model;

[0022] Figure 4 is a third sectional view of the present utility model;

[0023] Figure 5 is a schematic diagram when the present utility model is assembled with the retractable railing. Detailed Embodiments

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] It should be noted that if there are directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...) involved in the embodiments of the present utility model, then such directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0026] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the present utility model, then such descriptions of "first" or "second" etc. are only for descriptive purposes and cannot be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0027] The present utility model provides a novel base for a retractable door barrier.

[0028] In the embodiments of the present utility model, as Figures 1 to 5 shown, the novel base of the retractable door barrier includes a base body 1, a pivot member 2, and a self-locking mechanism.

[0029] Among them, the pivot member 2 is used for fixedly connecting with the rotating lower end of the telescopic door rail. The pivot member 2 is pivotally mounted on the seat body 1 and can pivot relative to the seat body 1 in the direction of unfolding the curtain body or in the direction of retracting the curtain body; the self-locking mechanism is arranged on the seat body 1 and is used for locking the pivot member 2 when the pivot member 2 pivots in the direction of retracting the curtain body and reaches or exceeds a predetermined pivoting speed. The seat body 1 is provided with a receiving cavity with an open top, and the self-locking mechanism is arranged in the receiving cavity. The bottom of the pivot member 2 is pivotally mounted in the receiving cavity and closes the top opening of the receiving cavity; the self-locking mechanism is arranged on the seat body 1 and is used for locking the pivot member 2 when the pivot member 2 pivots in the direction of retracting the curtain body and reaches or exceeds a predetermined pivoting speed. The seat body 1 is provided with a receiving cavity with an open top, and the self-locking mechanism is arranged in the receiving cavity. The bottom of the pivot member 2 is pivotally mounted in the receiving cavity and closes the top opening of the receiving cavity; the self-locking mechanism includes a ratchet groove 101, a moving piece 102 and a partially open driving ring 103 arranged in the receiving cavity; a plurality of teeth 104 for cooperating with the ratchet groove 101 are formed on the outer edge of the moving piece 102. The driving ring 103 is arranged on the bottom wall of the pivot member 2 and is coaxial with the pivot member 2; the moving piece 102 is movably arranged in the ratchet groove 101 and can move between positions where the teeth 104 cooperate with and are away from the ratchet groove 101. The moving piece 102 is also provided with a groove into which the driving ring 103 can extend. An arc portion 105 that can pass through the opening of the driving ring 103 is arranged in the groove. Two ends of the arc portion 105 are respectively matched with the inner wall of the groove to form a first clamping position 106 and a second clamping position 107; the driving ring 103 can pivot between a position where one end is inserted into the first clamping position 106 and a position where the other end abuts against the arc portion 105 as the pivot member 2 pivots. By cooperating with the first clamping position 106 at one end, the moving piece 102 is driven to move in a direction away from the ratchet groove 101 by the teeth 104, and by cooperating with the local outer wall of the driving ring 103 against the local groove, the moving piece 102 can pivot in the direction of unfolding the curtain body together with the pivot member 2 when the teeth 104 are not cooperating with the second ratchet groove 101. By the local driving ring against the groove and the other end cooperating with the arc portion, the moving piece can pivot in the direction of retracting the curtain body together with the pivot member 2 when the teeth 104 are not cooperating with the second ratchet groove 101; when the pivot member 2 pivots in the direction of retracting the curtain body and reaches or exceeds a predetermined pivoting speed, the generated centrifugal force forces the moving piece 102 to displace, so that the arc portion 105 passes through the opening of the driving ring 103, thereby driving the teeth 104 to move to cooperate with the ratchet groove 101 to stop the pivoting of the pivot member 2.

[0030] Specifically, the receiving cavity is circular, and the bottom of the pivot member 2 is provided with a circular plate 21 adapted to the shape of the receiving cavity.

[0031] Specifically, the moving piece 102 is elliptical and is preferably made of metal.

[0032] Specifically, the moving piece 102 is made of metal.

[0033] Specifically, the ratchet groove 101 is directly formed in the receiving cavity. Alternatively, an annular member 108 fixed to the receiving cavity is provided, and the inner ring of the annular member 108 is the ratchet groove 101.

[0034] Specifically, the annular member 108 is fixed in the receiving cavity by screw locking or by a snap structure.

[0035] Alternatively, a plurality of limiting bars 109 for inserting into the annular member 108 are annularly and spacedly provided in the receiving cavity, so as to fix the annular member 108 in the receiving cavity through the insertion fit of the plurality of limiting bars 109 and the annular member 108.

[0036] In the technical solution of the present utility model, a pivot member fixedly connected to the rotating cylinder is pivotally provided on the seat body of the self-locking base, and a self-locking mechanism is provided on the self-locking base. When assembling with the telescopic railing, the pivot member is fixedly connected to the lower end of the rotating cylinder of the telescopic railing. When the rotating cylinder pivots towards the direction of winding the curtain body, the torsion spring inside the rotating cylinder is decompressed to release elastic force, so that the rotating cylinder and the pivot member reach or exceed a predetermined speed, and the centrifugal force generated swings the moving piece, so that the moving piece is displaced to make the arc portion pass through the opening of the driving ring and insert the other end of the driving ring into the second clamping position, so that the teeth are engaged with the ratchet groove, and the pivoting of the pivot member is stopped. Compared with the traditional one, the present utility model adds a self-locking function on the basis of the existing technology, triggers the self-locking mechanism to lock the pivot member, thereby stopping the automatic winding of the curtain body. Pivoting in the direction of unfolding the curtain body can release the stop, effectively avoiding the situation that the curtain body of the telescopic railing swings and hits a person during the automatic winding process, causing injury to the person, or the curtain body collides with hard objects or sharp objects during the swinging process, resulting in damage to the curtain body.

[0037] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly / indirectly applied to other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. A new type of base for telescopic gate, characterized in that: include: base(1); A pivoting member (2), the pivoting member (2) being used for being fixedly connected to the rotating lower end of the telescopic door barrier, the pivoting member (2) being pivotally mounted on the base body (1) and being pivotable relative to the base body (1) in a direction of unfolding the curtain body or in a direction of rolling up the curtain body; A self-locking mechanism, the self-locking mechanism being arranged on the base (1) and being used for locking the pivoting member (2) when the pivoting member (2) pivots toward the rolling curtain body and reaches or exceeds a predetermined pivoting speed; the base (1) being provided with a receiving cavity with an open top, the self-locking mechanism being arranged in the receiving cavity, the bottom of the pivoting member (2) being pivotally mounted on the receiving cavity and closing the top opening of the receiving cavity; the self-locking mechanism comprising a ratchet groove (101) arranged in the receiving cavity, a moving plate (102) and a partially open driving ring (103); a plurality of grooves are formed on the outer edge of the moving plate (102) for engaging with the ratchet groove (101) ), the driving ring (103) is arranged on the bottom wall of the pivot member (2) and is coaxial with the pivot member (2); the moving piece (102) is movably arranged in the ratchet groove (101) and can move between positions where the locking tooth (104) and the ratchet groove (101) are matched and separated, the moving piece (102) is also provided with a groove into which the driving ring (103) can extend, the groove is provided with an arc portion (105) which can pass through the opening of the driving ring (103), and the two ends of the arc portion (105) respectively cooperate with the inner wall of the groove to form a first clamping position (106) and a second clamping position (107); The driving ring (103) can pivot along with the pivoting of the pivoting member (2) between a position where one end is inserted into the first latching position (106) and a position where the other end abuts against the arc-shaped portion (105); the one end cooperates with the first latching position (106) to drive the movable sheet (102) to move in a direction away from the ratchet groove (101) toward the latching tooth (104); and cooperates with the partial outer wall of the driving ring (103) to abut against the part of the groove, so that the movable sheet (102) can pivot along with the pivoting member (2) toward the unfolding curtain body when the latching tooth (104) is not in cooperation with the second ratchet groove (101); and the driving ring partially abuts against the groove and the other end cooperates with the arc-shaped portion, so that the movable sheet can pivot along with the pivoting member (2) toward the rolling curtain body when the latching tooth (104) is not in cooperation with the second ratchet groove (101); When the pivoting member (2) pivots in the direction of the rolling curtain body and reaches or exceeds a predetermined pivoting speed, the centrifugal force generated forces the moving plate (102) to move so that the arc portion (105) passes through the opening of the driving ring (103), thereby driving the latching tooth (104) to move to cooperate with the ratchet groove (101), thereby stopping the pivoting of the pivoting member (2).

2. The novel base of the telescopic gate according to claim 1 is characterized in that: The accommodating cavity is circular, and a circular plate (21) having a shape matching that of the accommodating cavity is provided at the bottom of the pivoting member (2).

3. The novel base of the telescopic gate according to claim 1 is characterized in that: The movable sheet (102) is oval in shape.

4. The novel base of the telescopic gate according to claim 1 is characterized in that: The movable sheet (102) is made of metal.

5. The novel base of the telescopic gate according to claim 1 is characterized in that: The ratchet groove (101) is directly formed in the accommodating cavity.

6. The novel base of the telescopic gate according to claim 1 is characterized in that: An annular component (108) fixed to the accommodating cavity is also provided, and the inner ring of the annular component (108) is the ratchet groove (101).

7. The novel base of the telescopic gate according to claim 6 is characterized in that: The annular component (108) is locked in the accommodating cavity by means of screws or a snap-fit ​​structure.

8. The novel base of the telescopic gate according to claim 6 is characterized in that: A plurality of limiting strips (109) for plugging with the annular component (108) are provided at annular intervals in the accommodating cavity, so that the annular component (108) is fixed in the accommodating cavity through the plugging and matching of the plurality of limiting strips (109) and the annular component (108).

9. The novel base of the telescopic gate according to claim 6, characterized in that: The annular component (108) is a sheet.

10. The novel base of the telescopic gate according to claim 6, characterized in that: The annular component (108) is made of metal or plastic.

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