Double-locking tapered end and retractable door fence with same

Abstract

The utility model discloses a double-locking tapered end and a retractable door sill with the same, which are characterized in that a second locking mechanism and a second toggle button are additionally arranged on the basis of a tapered end of an existing single toggle button locking structure, and locking or unlocking of a first toggle button is realized through matching of the second toggle button and the second locking mechanism. The second locking mechanism is in a normal state and locks the first toggle button, when a curtain body of the retractable door fence needs to be pulled, the second toggle button needs to be manually toggled to move to unlock the first toggle button, then the first toggle button is toggled to unlock the connector, and then the curtain body can be pulled. According to the retractable door fence, the movement of the first shifting button is matched with the first locking mechanism, and the movement of the second shifting button is matched with the second locking mechanism to form a dual-locking function, so that the retractable door fence is not easy to unlock by children, and the protection effect is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of child protection products, in particular to a double-locking lock and a telescopic door fence having the same. Background Art

[0002] In order to prevent children from walking out of the room and causing accidents such as getting lost or getting hurt, people often install telescopic gates indoors. This type of gate mainly includes a rolling shutter assembly, an upper and lower fixed seat, a reel assembly, etc. The reel assembly can be pivotally installed between the upper and lower fixed seats. The rolling shutter assembly is connected to the reel assembly and can be pulled out, or the rolling shutter assembly can be automatically rolled up by the reel assembly. Generally, a locking structure that can lock the reel assembly is provided in the upper fixed seat. In order to prevent children from learning to unlock or misunderstand the lock, the telescopic gates currently on the market are generally designed with a button that needs to be manually dialed to the locked position to lock and a structure that needs to be manually dialed to the unlocked position to unlock. The current telescopic gates are only single-locked. Older children have a certain learning ability and can simply learn to open the gate after adults turn the dial button. The protective effect is not good enough. Summary of the invention

[0003] The main purpose of the utility model is to provide a double-locking lock head and a telescopic door fence having the same, aiming to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model proposes a double locking lock, including a shell, on which a connecting head for connecting to a reel assembly can be pivotally mounted, and a first locking mechanism is also provided for locking the connecting head, and a first dial button and a second dial button are movably mounted on the shell, the first dial button is linked to the first locking mechanism, and the first dial button can move relative to the shell between a position in which the first locking mechanism is driven to lock and unlock the connecting head, and a second locking mechanism is also provided in conjunction with the second dial button, the second locking mechanism is used to lock the first dial button, and the second dial button can move relative to the shell between a position in which the second locking mechanism is driven to lock and unlock the first dial button.

[0005] The utility model also provides a telescopic door barrier, comprising a lower fixing seat, a rolling curtain assembly, a scroll assembly and a double locking lock head, wherein the double locking lock head is the double locking lock head mentioned above.

[0006] The technical solution of the utility model adds a second locking mechanism and a second dial button on the basis of the lock of the existing single-dial button locking structure. The first dial button is locked or unlocked through the cooperation of the second dial button and the second locking mechanism. The second locking mechanism is normally in a state of locking the first dial button. When the curtain body of the telescopic door railing needs to be pulled, the second dial button needs to be manually dialed to unlock the first dial button, and then the first dial button is dialed to unlock the connecting head to pull the curtain body. Compared with the traditional one, the utility model forms a double locking function through the movement of the first dial button in coordination with the first locking mechanism and through the movement of the second dial button in coordination with the second locking mechanism, thereby ensuring that the telescopic door railing is not easily unlocked by children, and effectively improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of a double-locking lock;

[0008] Figure 2 is a schematic diagram of the extension portion being aligned with the stopper;

[0009] Figure 3 A schematic diagram of the stopper being assembled on the first guide seat;

[0010] Figure 4 A diagram showing the coordination between the locking key and the first push portion and the second push portion;

[0011] Figure 5 is a matching diagram of the first ratchet, the second ratchet, the first pawl and the second pawl;

[0012] Figure 6 This is a three-dimensional diagram from the first angle of the present invention;

[0013] Figure 7 This is a stereoscopic view of the utility model from a second angle. DETAILED DESCRIPTION

[0014] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0016] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0017] The utility model provides a double-locking lock.

[0018] In the embodiment of the utility model, Figures 1 to 7 As shown, the double locking lock includes a shell 1, on which a connector 11 for connecting to a reel assembly can be pivotally mounted, and a first locking mechanism is provided for locking the connector 11, and is characterized in that: a first dial button 12 and a second dial button 13 are movably mounted on the shell 1, the first dial button 12 is linked with the first locking mechanism, and the first dial button 12 can move relative to the shell 1 between positions where the first locking mechanism is driven to lock and unlock the connector 11, and a second locking mechanism linked with the second dial button 13 is provided, the second locking mechanism is used to lock the first dial button 12, and the second dial button 13 can move relative to the shell 1 between positions where the second locking mechanism is driven to lock and unlock the first dial button 12.

[0019] The technical solution of the utility model adds a second locking mechanism and a second dial button on the basis of the lock of the existing single-dial button locking structure. The first dial button is locked or unlocked through the cooperation of the second dial button and the second locking mechanism. The second locking mechanism is normally in a state of locking the first dial button. When the curtain body of the telescopic door railing needs to be pulled, the second dial button needs to be manually dialed to unlock the first dial button, and then the first dial button is dialed to unlock the connecting head to pull the curtain body. Compared with the traditional one, the utility model forms a double locking function through the movement of the first dial button in coordination with the first locking mechanism and through the movement of the second dial button in coordination with the second locking mechanism, thereby ensuring that the telescopic door railing is not easily unlocked by children, and effectively improving the protection effect.

[0020] Specifically, the first locking mechanism includes a first ratchet 21 pivotally mounted inside the housing 1 for connecting with the connector 11 and a first pawl 22 pivotally mounted on one side of the first ratchet 21. The first pawl 22 can swing between a position engaged with and away from the first ratchet 21. A first top spring 23 is further provided. The first top spring 23 is used to apply an elastic force to the first pawl 22 to swing in a direction of engagement with the first ratchet 21. The first pawl 22 engages with the first ratchet 21 to achieve one-way locking of the first ratchet 21. For example, the first ratchet 21 can pivot in the direction of retracting the roller assembly, but cannot pivot in the direction of unfolding the roller blind assembly.

[0021] Specifically, the lower end of the first button 12 extends into the interior of the shell 1, and the first pawl 22 is formed with a first push portion 24 for contacting the lower end of the first button 12. During the movement of the first button 12 in the direction of unlocking the connector 11, the lower end of the first button 12 can contact the first push portion 24 and force the first pawl 22 to swing in a direction away from the first ratchet 21, thereby unlocking the first ratchet 21.

[0022] Specifically, the first locking mechanism also includes a second ratchet 25 fixed to the top of the first ratchet 21 and a second pawl 26 pivotally mounted on one side of the second ratchet 25, the direction of the teeth of the second ratchet 25 is opposite to the direction of the teeth of the first ratchet 21, and the second pawl 26 can swing between a position engaged with and away from the second ratchet 25. A second top spring 27 is also provided, and the second top spring 27 is used to apply an elastic force to the second pawl 26 to swing in the direction of engagement with the second ratchet 25. The second pawl 26 is formed with a second push portion 28 for contacting the lower end of the first dial button 12. During the movement of the first dial button 12 in the direction of unlocking the connecting head 11, the lower end of the first dial button 12 can contact the second push portion 28 and force the second pawl 26 to swing in the direction away from the second ratchet 25, so as to unlock the second ratchet 25. The engagement of the second pawl 26 with the second ratchet 25 realizes one-way locking of the second ratchet 25 . Since the direction of the teeth of the first ratchet 21 is opposite to the direction of the teeth of the second ratchet 25 , the connector 11 can be completely locked.

[0023] Specifically, the first ratchet 21 and the second ratchet 25 are an integrally formed structure or a detachable connection structure. When it is a detachable connection structure, the second ratchet 25 is fixed to the top of the first ratchet 21 by screw locking, a snap-fit ​​structure or glue bonding.

[0024] Specifically, the lower end of the first dial button 12 is connected to an unlocking key 29 for contacting the first push portion 24 and the second push portion 28 .

[0025] Specifically, a first seat body 31 having a first guide hole 32 is fixedly installed inside the shell 1, and the first dial button 12 is movably installed on the first seat body 31 and can make linear reciprocating motion along the first guide hole 32. A connecting column (not shown) that can vertically pass through the first guide hole 32 is provided at the bottom of the first dial button 12, and the unlocking key 29 is fixedly connected to the end of the connecting column away from the first dial button 12.

[0026] Specifically, the unlocking key 29 is locked by a screw or is detachably fixedly connected to the connecting column by a snap-fit ​​structure.

[0027] Specifically, the second locking mechanism includes a block 33 movably installed inside the shell 1, and an extension portion 121 extending toward the block 33 is formed on the lower side of the first button 12. The block 33 can move between positions aligned with and offset from the extension portion 121. A third top spring 34 is also provided. The third top spring 34 is used to apply an elastic force to the block 33 to move in a direction aligned with the extension portion 121. The second button 13 can move between positions that align the block 33 with the extension portion 121 and offset from the extension portion 121. When the extension portion 121 is aligned with the block 33, the movement of the first button 12 can be limited to achieve the locking of the first button 12. When the extension portion 121 and the block 33 are offset, the first button 12 can be unlocked. When unlocking, it is necessary to first push the second button 13 to move to the position to unlock the first button 12 and hold it, and then push the first button 12 to unlock the connector 11. After releasing the second button 13, the block 33 can be automatically reset to the position aligned with the extension portion 121 through the elastic force applied by the third top spring 34. During operation, the first dial button 12 can be pushed to move to the position for locking the connecting head 11, and then the second dial button 13 can be released to reset the second dial button 13 to lock the first dial button 12, or the second dial button 13 can be released first, and after releasing, the stopper 33 can elastically contact with the extension part 121 under the force of the third top spring 34. In the process of pushing the first dial button 12 to lock the connecting head 11, the extension part 121 and the stopper 33 are offset and no longer elastically contacted, so that the stopper 33 can continue to reset until the first dial button 12 is locked.

[0028] Specifically, the tops of the first dial button 12 and the second dial button 13 are provided with anti-slip grooves.

[0029] Specifically, a receiving space (not shown) for movably mounting the block 33 is formed inside the first seat body 31. A through hole 35 connected to the receiving space is opened on the top of the first seat body 31. A portion of the block 33 passes through the through hole 35 and is exposed to the outside. The block 33 can make a linear reciprocating motion in the receiving space to drive the exposed portion to move between positions aligned with and offset from the extension portion 121. The third top spring 34 is located in the receiving space.

[0030] Specifically, a second seat body 41 with a second guide hole 42 is fixedly installed inside the shell 1, and the second dial button 13 is movably installed on the second seat body 41 and can make linear reciprocating motion along the second guide hole 42. A push rod 131 that can vertically pass through the second guide hole 42 is provided at the bottom of the second dial button 13. The push rod 131 can move between a position away from the block 33 and a position pushing the block 33 to move in a direction offset from the extension portion 121 as the second dial button 13 moves. A fourth top spring 43 is also provided. The fourth top spring 43 is used to apply an elastic force to the second dial button 13 to move the push rod 131 in a direction away from the block 33. In the process of loosening the second dial button 13 to automatically reset the block 33, the block 33 and the push rod 131 cooperate to push the second dial button 13, and the elastic force applied by the fourth top spring 43 forces the second dial button to move in a direction in which the push rod is away from the block, so as to realize automatic resetting of the second dial button.

[0031] Specifically, the first seat body 31 and the second seat body 41 are both locked by screws or detachably fixed to the inside of the housing 1 by a snap-fit ​​structure.

[0032] Specifically, the top of the shell 1 is provided with a first avoidance hole 14 in which the first button 12 can move, and a second avoidance hole 15 in which the second button 13 can move. The first button 12 is also provided with a first mark 122 for indicating a locked state and a second mark 123 for indicating an unlocked state. When the first button 12 is located in a position to lock the connector 11, the first mark 122 is located in the first avoidance hole 14. When the second button 13 is located in a position to unlock the connector 11, the second mark 123 is located in the first avoidance hole 14.

[0033] Specifically, the housing 1 can be detachably fixed to the position to be installed through a quick-release structure. The quick-release structure can be referred to in the prior art, and its specific structure will not be described in detail herein.

[0034] Specifically, the housing 1 is formed by locking an upper cover and a bottom shell by screws or fixing them by a snap-fit ​​structure.

[0035] The utility model also proposes a telescopic door fence, including a lower fixed seat 5, a roller shutter assembly, a roller assembly and a double locking lock. The specific structure of the double locking lock can be found in the above embodiment. Since the telescopic door fence adopts all the technical solutions of all the embodiments of the above double locking lock, it at least has all the beneficial effects brought by the technical solutions of the above double locking lock, which will not be repeated here.

[0036] It should be noted that the assembly structure of the telescopic door railing can refer to the prior art, and its specific assembly structure principle will not be described in detail here.

[0037] Specifically, the rolling curtain assembly includes a curtain body 6, one end of which is connected to the roller assembly, and the other end can be fixed at a to-be-fixed position by a fixing mechanism, the fixing mechanism includes at least one handle 7 and the same number of hooks 8 as the handles 7, the handle 7 is fixedly connected to the other end of the curtain body 6, the hooks 8 are fixedly installed at the to-be-fixed position, and the other end of the curtain body 6 can be fixed by the hooking cooperation between the pull ring and the hook 8, the hook 8 can be pivotally mounted with a swinging member 82, the swinging member 82 can move between a position partially abutting against and a position away from the hook portion 81 of the hook 8, and a fifth top spring 83 is further provided, the fifth top spring 83 is used to apply an elastic force to the swinging member 82 to move in a direction of partially abutting against the hook portion 81 of the hook 8.

[0038] Specifically, a support rod 91 is further provided, and the double locking lock head and the lower fixing seat 5 are respectively assembled at the upper end and the lower end of the support rod 91. A slide 92 is movably installed on the support rod 91, and the slide 92 can make vertical reciprocating motion along the support rod 91. The slide 92 is detachably connected with a plug plate 93 for fixing at the position to be installed. The slide 92 is provided with a plug hole (not shown) for the plug plate 93 to be inserted from bottom to top, and the plug hole is partially open on one side close to the position to be installed. When there is a skirting at the position to be installed (such as a wall), the plug plate 93 can be first locked by screws or fixed by a snap-on structure at a position above the skirting at the position to be installed corresponding to the position to be installed, and the lower part of the telescopic door fence is fixed by the plugging and matching of the slide 92 and the plug plate 93, and the upper part of the telescopic door fence is fixed by the fixed matching of the double locking lock head and the position to be installed, so that the telescopic door fence can be completely fixed at the position to be installed without fixing the lower fixing seat 5.

[0039] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A double-locking lock head, comprising a housing (1), wherein the housing (1) is pivotally mounted with a connector (11) for connecting to a reel assembly, and further provided with a first locking mechanism for locking the connector (11), characterized in that: The housing (1) is movably provided with a first dial button (12) and a second dial button (13), wherein the first dial button (12) is linked to the first locking mechanism, and the first dial button (12) can move relative to the housing (1) between a position in which the first locking mechanism is driven to lock and unlock the connector (11), and a second locking mechanism is further provided in linkage with the second dial button (13), and the second locking mechanism is used to lock the first dial button (12), and the second dial button (13) can move relative to the housing (1) between a position in which the second locking mechanism is driven to lock and unlock the first dial button (12).

2. The double-lock lock according to claim 1, characterized in that: The first locking mechanism comprises a first ratchet (21) pivotally mounted inside the housing (1) for connecting to the connector (11), and a first pawl (22) pivotally mounted on one side of the first ratchet (21), wherein the first pawl (22) can swing between a position of engagement with and a position of separation from the first ratchet (21), and a first top spring (23) is further provided, wherein the first top spring (23) is used to apply an elastic force to the first pawl (22) so as to swing the pawl in a direction of engagement with the first ratchet (21).

3. The double-lock lock according to claim 2, characterized in that: The lower end of the first button (12) extends into the interior of the housing (1), and the first pawl (22) is formed with a first push portion (24) for contacting the lower end of the first button (12). When the first button (12) moves in a direction to unlock the connector (11), the lower end of the first button (12) contacts the first push portion (24) and forces the first pawl (22) to swing in a direction away from the first ratchet (21), thereby unlocking the first ratchet (21).

4. The double-locking lock according to claim 3, characterized in that: The first locking mechanism further comprises a second ratchet (25) fixed to the top of the first ratchet (21) and a second pawl (26) pivotally mounted on one side of the second ratchet (25), wherein the direction of the teeth of the second ratchet (25) is opposite to the direction of the teeth of the first ratchet (21), and the second pawl (26) can swing between a position of engagement with and a position away from the second ratchet (25), and a second top spring (27) is further provided, wherein the second top spring (27) is used to apply an elastic force to the second pawl (26) to swing in a direction of engagement with the second ratchet (25), and the second pawl (26) is formed with a second push portion (28) for contacting the lower end of the first toggle button (12), and during the movement of the first toggle button (12) in the direction of unlocking the connector (11), the lower end of the first toggle button (12) can contact the second push portion (28) and force the second pawl (26) to swing in a direction away from the second ratchet (25), thereby unlocking the second ratchet (25).

5. The double-locking lock according to claim 4, characterized in that: The first ratchet (21) and the second ratchet (25) are an integrally formed structure or a detachably connected structure. When the detachably connected structure is used, the second ratchet (25) is fixed to the top of the first ratchet (21) by screw locking, a snap-fit ​​structure, or glue bonding.

6. The double-locking lock according to claim 4, characterized in that: The lower end of the first dial button (12) is connected to an unlocking key (29) for contacting the first push portion (24) and the second push portion (28).

7. The double-locking lock according to claim 6, characterized in that: A first base body (31) having a first guide hole (32) is fixedly installed inside the housing (1); the first dial button (12) is movably installed on the first base body (31) and can perform linear reciprocating motion along the first guide hole (32); a connecting column that can vertically pass through the first guide hole (32) is provided at the bottom of the first dial button (12); and the unlocking key (29) is fixedly connected to one end of the connecting column away from the first dial button (12).

8. The double-locking lock according to claim 7, characterized in that: The second locking mechanism comprises a stopper (33) movably mounted inside the housing (1); an extension portion (121) extending in the direction of the stopper (33) is formed on the lower side of the first dial button (12); the stopper (33) can move between positions aligned with and offset from the extension portion (121); a third top spring (34) is further provided; the third top spring (34) is used to apply an elastic force to the stopper (33) to move in the direction aligned with the extension portion (121); and the second dial button (13) can move between positions aligned with and offset from the extension portion (121).

9. The double-locking lock according to claim 8, characterized in that: The first base (31) is internally formed with an accommodating space for movably mounting the stopper (33). A through hole (35) communicating with the accommodating space is provided on the top of the first base (31). A portion of the stopper (33) passes through the through hole (35) and is exposed to the outside. The stopper (33) can perform linear reciprocating motion in the accommodating space to drive the exposed portion to move between positions aligned with and offset from the extension portion (121). The third top spring (34) is located in the accommodating space.

10. The double-locking lock according to claim 8, wherein: A second base body (41) having a second guide hole (42) is fixedly installed inside the shell (1), and the second dial button (13) is movably installed on the second base body (41) and can perform linear reciprocating motion along the second guide hole (42). A push rod (131) is provided at the bottom of the second dial button (13) and can vertically pass through the second guide hole (42). The push rod (131) can move between a position away from the block (33) and a position pushing the block (33) toward a direction offset from the extension portion (121) as the second dial button (13) moves. A fourth top spring (43) is also provided. The fourth top spring (43) is used to apply an elastic force to the second dial button (13) to move the push rod (131) away from the block (33).

11. The double-locking lock according to claim 1, wherein: The top of the housing (1) is provided with a first avoidance hole (14) in which the first dial button (12) can move, and a second avoidance hole (15) in which the second dial button (13) can move. The first dial button (12) is also provided with a first mark (122) for indicating a locked state and a second mark (123) for indicating an unlocked state. When the first dial button (12) is located at a position for locking the connector (11), the first mark (122) is located in the first avoidance hole (14). When the second dial button (13) is located at a position for unlocking the connector (11), the second mark (123) is located in the first avoidance hole (14).

12. A telescopic gate, characterized by: It comprises a lower fixing seat (5), a rolling curtain assembly, a roller assembly and a double locking lock according to any one of claims 1 to 11.

13. The telescopic gate according to claim 12, characterized in that: The rolling curtain assembly includes a curtain body (6), one end of the curtain body (6) is connected to the roller assembly, and the other end can be fixed to a position to be fixed by a fixing mechanism, the fixing mechanism includes at least one handle (7) and the same number of hooks (8) as the number of the handles (7), the handle (7) is fixedly connected to the other end of the curtain body (6), the hook (8) is fixedly installed at the position to be fixed, and the other end of the curtain body (6) can be fixed by hooking the pull ring with the hook (8), the hook (8) can be pivotally installed with a swinging member (82), the swinging member (82) can move between a position of partially contacting and moving away from the hook portion (81) of the hook (8), and a fifth top spring (83) is provided, the fifth top spring (83) is used to apply an elastic force to the swinging member (82) to move in a direction of partially contacting and contacting the hook portion (81) of the hook (8).

14. The telescopic gate according to claim 12, characterized in that: A support rod (91) is also provided. The double locking lock head and the lower fixing seat (5) are respectively assembled at the upper end and the lower end of the support rod (91). The support rod (91) is movably equipped with a slide seat (92). The slide seat (92) can make vertical reciprocating motion along the support rod (91). The slide seat (92) is detachably connected to a plug plate (93) for fixing at a position to be installed. The slide seat (92) is provided with a socket for inserting the plug plate (93) from bottom to top, and the socket is partially opened on a side close to the position to be installed.

Images