CN221423088U - Knob switch type lock and telescopic door rail with same - Google Patents

Abstract

The utility model discloses a knob switch type lock head and a telescopic door rail with the same, wherein two connectors are pivotally arranged at the bottom of a shell, two groups of rolling shutter assemblies can be connected through the two connectors to form the telescopic door rail with a double-curtain structure, the connectors are locked or unlocked through linkage cooperation of a knob pivotally arranged at the top of the shell and a locking mechanism.

Description

Knob switch type lock and telescopic door rail with same

Technical Field

The utility model relates to the technical field of telescopic door rails, in particular to a knob switch type lock head and a telescopic door rail with the same.

Background

In order to prevent accidents such as walking away and injury caused by the infant, the pet and the like going out from the room, people often provide expansion type door fences at the positions of doors, stairways or hallways and the like in the room.

For example, chinese patent application No. CN202320165782.9 discloses an adjustable telescopic protective door rail, the door rail mainly includes a fixed seat, a lower support, a rolling shutter assembly, a scroll, etc., the scroll is pivotally mounted between the fixed seat and the lower support, the curtain body of the rolling shutter assembly is mounted on the scroll and can be pulled out for use, and when not in use, the elastic torsion of the spring drives the scroll to rotate and recover the rolling shutter.

The existing telescopic door rail is of a single-curtain body structure, the length of the curtain body which can be pulled out is limited, the telescopic door rail is not suitable for being used in a wider place, the bearing capacity of the single-curtain body structure is insufficient, the single-curtain body structure is difficult to bear when large impact force is exerted, the curtain body is damaged, and even other components of the telescopic door rail are damaged due to the dragging effect of the curtain body.

Disclosure of utility model

The utility model mainly aims to provide a knob switch type lock head and a telescopic door rail with the same, and aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides a knob switch type lock head, which comprises a shell, wherein two connectors for connecting with the end part of a scroll are pivotally arranged at intervals at the bottom of the shell, a locking mechanism is arranged in the shell corresponding to the connector, a knob linked with the locking mechanism is pivotally arranged at the top of the shell, and the knob can pivot along the axis of the knob relative to the shell and can drive the locking mechanism to lock or unlock the connector in the pivoting process.

The utility model also provides a telescopic door rail, which comprises the knob switch type lock head, wherein the knob switch type lock head is the knob switch type lock head.

According to the technical scheme, the two connectors are arranged at the bottom of the shell in a pivoted mode, the two connectors can be connected with the two groups of rolling shutter assemblies to form the telescopic door fence of the double-curtain structure, the locking mechanism capable of locking or unlocking the connectors is arranged in the shell, the knob can be locked or unlocked in the pivoting process through linkage cooperation of the knob and the locking mechanism, compared with the traditional method, the two curtains of the double-curtain structure can be pulled out in the same direction and then fixed to form two layers of barriers, the impact resistance is effectively improved, the two curtains can also be pulled out in different directions and then fixed, for example, the two curtains are pulled out in opposite directions and then fixed to form a barrier which is equal to the double range of the single-curtain structure, the telescopic door fence is suitable for being used in a relatively wide place, the locking or unlocking of the rolling shutter assemblies can be realized only by manually twisting the knob when the curtains are required to be unfolded or retracted, the whole structure is simple, and the operation is convenient.

Drawings

FIG. 1 is a schematic diagram of a rotary switch lock;

FIG. 2 is a schematic view of the upper shell;

FIG. 3 is an assembly view of the locking structure and the lower shell;

FIG. 4 is a mating view of the ratchet, connector, pawl, swing member and first top spring;

FIG. 5 is a schematic view of a housing and a card;

FIG. 6 is a schematic view of a follower, a mover, a fixed plate, a second top spring, and a plug board;

FIG. 7 is a mating view of the knob and driver;

fig. 8 is a schematic view of a telescoping door rail.

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, back, 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 knob switch type lock head.

In the embodiment of the utility model, as shown in fig. 1 to 8, the rotary switch type lock head comprises a shell 1, two connectors 2 used for being connected with the end part of a reel are pivotally arranged at intervals at the bottom of the shell 1, a locking mechanism is arranged in the shell 1 corresponding to the connector 2, a rotary knob 3 linked with the locking mechanism is pivotally arranged at the top of the shell 1, and the rotary knob 3 can pivot along the axis of the rotary knob 3 relative to the shell 1 and can drive the locking mechanism to lock or unlock the connector 2 in the pivoting process.

According to the technical scheme, the two connectors are arranged at the bottom of the shell in a pivoted mode, the two connectors can be connected with the two groups of rolling shutter assemblies to form the telescopic door fence of the double-curtain structure, the locking mechanism capable of locking or unlocking the connectors is arranged in the shell, the knob can be locked or unlocked in the pivoting process through linkage cooperation of the knob and the locking mechanism, compared with the traditional method, the two curtains of the double-curtain structure can be pulled out in the same direction and then fixed to form two layers of barriers, the impact resistance is effectively improved, the two curtains can also be pulled out in different directions and then fixed, for example, the two curtains are pulled out in opposite directions and then fixed to form a barrier which is equal to the double range of the single-curtain structure, the telescopic door fence is suitable for being used in a relatively wide place, the locking or unlocking of the rolling shutter assemblies can be realized only by manually twisting the knob when the curtains are required to be unfolded or retracted, the whole structure is simple, and the operation is convenient.

Specifically, the locking mechanism includes a ratchet 41 and a pawl 42, the ratchet 41 is pivotally mounted in the housing 1 and is fixedly connected with the connector 2, the pawl 42 is pivotally mounted in the housing 1 at a position corresponding to one side of the ratchet 41, the claw portion of the pawl 42 can swing between a position engaged with and away from the ratchet 41, and a first top spring 43 is further provided, where the first top spring 43 is used for applying an elastic force for swinging the pawl 42 in a direction in which the claw portion is engaged with the ratchet 41. When the claw is not engaged with the ratchet wheel 41, the ratchet wheel 41 can do forward rotation or reverse rotation, and when the claw is engaged with the ratchet wheel 41, the ratchet wheel 41 can only do forward rotation or reverse rotation, so that the unidirectional locking of the ratchet wheel 41 is realized.

Specifically, the locking mechanism further includes a swinging member 44 having a clamping portion 441, the swinging member 44 is pivotally mounted in the housing 1, a clamping groove for the clamping portion 441 to clamp is formed on a side of the pawl 42 away from the ratchet 41, the clamping portion 441 is located in the clamping groove, when the pawl 42 is located in the clamping groove, the pawl 42 can be restricted from swinging in a direction in which the pawl portion is far away from the ratchet 41, the swinging member 44 can swing between a position in which the clamping portion 441 clamps into the clamping groove and a position in which the pawl portion 441 is withdrawn, one end of the first top spring 43 abuts against an inner wall of the housing 1, and the other end abuts against a side of the swinging member 44 away from the pawl 42, so that an elastic force swinging toward the clamping portion 441 clamps into the clamping groove is applied to the swinging member 44, so that the pawl portion is forced to keep engaged with the ratchet 41, and the pawl 42 can be locked after the clamping portion 441 is clamped into the clamping groove, thereby completely locking the ratchet 41.

Specifically, the knob 3 is pivotally mounted on the top of the housing 1 through the connecting shaft 31, the lower end of the connecting shaft 31 extending into the housing 1 is fixedly connected with the driving member 32, the driving member 32 is formed with a first pushing portion 321, the pawl 42 is formed with a first urging portion 421 for contacting with the first pushing portion 321, the first pushing portion 321 can swing along with the rotation of the knob 3 between positions for pushing the first urging portion 421 or keeping away from the first urging portion 421, and the pawl 42 can be driven to swing towards the direction of keeping away from the ratchet 41 by the pawl portion towards the pawl portion in the process of pushing the first urging portion 421, so that the unidirectional locking of the ratchet 41 is released.

Specifically, the driving member 32 is further formed with a second pushing portion 322, the swinging member 44 is formed with a second urging portion 442 for contacting with the second pushing portion 322, the second pushing portion 322 can swing between the second urging portion 442 and a far position along with the pivoting of the knob 3, and in the process that the second pushing portion 322 pushes the second urging portion 442, the swinging member 44 can be driven to swing towards the direction that the clamping portion 441 exits from the clamping groove, so that the ratchet 41 is completely locked.

Specifically, the two locking mechanisms are arranged inside the housing 1 in a mirror symmetry manner. Thus, when one of the rotary knobs 3 needs to rotate forward, the ratchet 41 can be completely unlocked, and the other rotary knob 3 needs to rotate backward to completely unlock the ratchet 41.

Specifically, the top of the housing 1 is formed with a receiving groove 11 for receiving the knob 3, the knob 3 is in a cover structure, an annular groove 12 into which the peripheral wall of the knob 3 can be inserted from top to bottom is formed at a position of the bottom wall of the receiving groove 11 corresponding to the peripheral wall of the knob 3, a baffle 13 is formed in the annular groove 12, a part of the peripheral wall of the knob 3 extends downwards to form a limit part 33, and the limit part 33 can swing between positions propped against and far away from the baffle 13 along with the pivoting of the knob 3, so as to prevent the knob 3 from transitionally pivoting.

Specifically, the bottom wall of the accommodating groove 11 is provided with a first mark 14 and a second mark 15, the knob 3 vertically penetrates through a first window 34, and the first window 34 can swing between a position aligned with the first mark 14 up and down and a position aligned with the second mark 15 up and down along with the pivoting of the knob 3. The ratchet 41 is fully locked when the first window 34 is aligned up and down with the first indicia 14; when the first window 34 is aligned up and down with the second indicia 15, the ratchet 41 is fully unlocked.

Specifically, the jack 5 is further provided, the jack 16 with a bottom opening is formed at the rear side of the shell 1, the jack 16 is adapted to the jack 5, the local rear side of the jack 16 is opened and is communicated with the bottom opening of the jack 16, the rear side of the jack 5 is formed with a connecting part 51 which can penetrate through the opening of the rear side of the jack 16, the connecting part 51 is fixedly connected with a position to be installed, the jack 5 can be inserted into the jack 16 from bottom to top through the bottom opening of the jack 16, a moving part 17 with an insert 171 is movably installed in the shell 1, the position of the insert 5 corresponding to the insert 171 is formed with a slot 52 which can be used for allowing the insert 171 to be inserted from the horizontal direction, the moving part 17 can move between the position allowing the insert 171 to be inserted into the slot 52 and the withdrawn position relative to the shell 1, the insert 171 can be locked in the jack 16 after the insert 171 is inserted into the slot 52, a second top spring 6 is additionally provided, the bottom of the moving part 17 is formed with a driving part 172, the driving part 172 corresponding to the moving part 17 is driven to withdraw from the position 172, and the driving part 172 can be driven to move towards the direction of the insert 17 through the driving part 18, and the driving part 172 can be driven to move towards the outside of the slot 18 through the direction of the driving part 18.

Specifically, the top of the moving member 17 is connected with a follower 6 with a third mark 61 and a fourth mark 62 on the top, the top of the housing 1 is provided with a second window 19, the follower 6 can move along with the moving member 17 between a position where the second window 19 is aligned with the third mark 61 up and down and a position where the second window 19 is aligned with the fourth mark 62 up and down, when the third mark 61 is aligned with the second window 19 up and down, the board 5 is in a locking state, and when the fourth mark 62 is aligned with the second window 19 up and down, the board 5 is in an unlocking state.

Specifically, the inside of the shell 1 is provided with a fixed plate 7 through a screw, the moving part 17 is positioned below the fixed plate 7, the following part 6 is positioned above the fixed plate 7, a bolt 173 is formed at the position of the moving part 17 corresponding to the following part 6, a pin hole for inserting the end part of the bolt 173 is formed at the bottom of the following part 6, a through hole 71 for allowing the bolt 173 to movably pass through is formed in the fixed plate 7, and the bolt 173 is inserted into the pin hole after passing through the through hole 71. It will be appreciated that the pin 173 moves with the movement of the moving member 17, and the through hole 71 can avoid the movement of the pin 173.

Specifically, the shell 1 is formed by splicing an upper shell and a lower shell and locking the upper shell and the lower shell through screws or fixing the upper shell and the lower shell through a buckle structure.

Specifically, the utility model also provides a telescopic door rail, which comprises a knob switch type lock head, wherein the knob switch type lock head can refer to the embodiment, and because the telescopic door rail adopts all the technical schemes of all the embodiments of the knob switch type lock head, the telescopic door rail at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated here.

It should be noted that, the telescopic door rail mainly includes a fixing seat, a lower support, a rolling shutter assembly, etc., the fixing seat is the above knob switch type lock, and other structures of the telescopic door rail except the knob switch type lock can refer to the prior art, and detailed description of its specific structural principles is omitted here.

It can be appreciated that since the knob-type locking head is provided with two connectors 2 for connection with the reel, the retractable door rail of the present utility model can be provided with two roller shutter assemblies to form a double-curtain structure.

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 (10)

1. A knob switch type lock head, characterized in that: the automatic locking device comprises a shell (1), wherein two connectors (2) used for being connected with end parts of a reel are pivotally arranged at intervals at the bottom of the shell (1), a locking mechanism is arranged in the shell (1) corresponding to the positions of the connectors (2), a knob (3) linked with the locking mechanism is pivotally arranged at the top of the shell (1), and the knob (3) can pivot along the axis of the knob (1) relative to the shell (1) and can drive the locking mechanism to lock or unlock the connectors (2) in the pivoting process.

2. The rotary-switch-type lock according to claim 1, wherein: the locking mechanism comprises a ratchet wheel (41) and a pawl (42), wherein the ratchet wheel (41) is pivotally arranged in the shell (1) and fixedly connected with the connector (2), the pawl (42) is pivotally arranged in the shell (1) at a position corresponding to one side of the ratchet wheel (41), a claw part of the pawl (42) can swing between a position meshed with and away from the ratchet wheel (41), a first top spring (43) is further arranged, and the first top spring (43) is used for applying elastic force for swinging the pawl (42) towards the meshing direction of the claw part and the ratchet wheel (41).

3. The rotary-switch-type lock according to claim 2, wherein: the locking mechanism further comprises a swinging member (44) provided with a clamping part (441), the swinging member (44) can be pivotally arranged in the shell (1), a clamping groove for clamping the clamping part (441) is formed on one side, away from the ratchet wheel (41), of the pawl (42), the clamping part (441) can limit the pawl (42) to swing towards the direction, away from the ratchet wheel (41), of the pawl part when being positioned in the clamping groove, the swinging member (44) can swing between the position for clamping the clamping part (441) into the clamping groove and the position for withdrawing, one end of the first top spring (43) is abutted against the inner wall of the shell (1), the other end of the first top spring is elastically abutted against one side, away from the pawl (42), of the swinging member (44), so that elastic force for swinging the swinging member (44) towards the clamping groove direction of the clamping part (441) is exerted, and the pawl part is forced to keep meshed with the ratchet wheel (41).

4. The rotary-switch-type lock according to claim 3, wherein: the knob (3) is pivotally mounted at the top of the shell (1) through a connecting shaft (31), the connecting shaft (31) stretches into a driving piece (32) fixedly connected with the lower end inside the shell (1), the driving piece (32) is provided with a first pushing part (321) in a forming mode, a first forcing part (421) which is used for being in contact with the first pushing part (321) is formed on a pawl (42), the first pushing part (321) can swing along with the pivoting of the knob (3) between positions for pushing the first forcing part (421) or keeping away from, and the pawl (42) can be driven to swing towards the direction of a pawl part far away from a ratchet wheel (41) in the process of pushing the first forcing part (421).

5. The rotary-switch-type lock according to claim 4, wherein: the driving piece (32) is further provided with a second pushing part (322), the swinging piece (44) is provided with a second forcing part (442) which is used for being in contact with the second pushing part (322), the second pushing part (322) can swing along with the pivoting of the knob (3) between the second forcing part (442) of the pushing part and a far-away position, and the swinging piece (44) can be driven to swing towards the direction of the clamping part (441) exiting the clamping groove in the process of pushing the second forcing part (442) by the second pushing part (322).

6. The rotary-switch-type lock according to claim 1, wherein: the two locking mechanisms are arranged inside the shell (1) in a mirror symmetry mode.

7. The rotary-switch-type lock according to claim 1, wherein: the utility model discloses a rotary knob, including casing (1), knob (3), holding groove (11) that are used for holding at casing (1) top shaping has holding groove (11) that are used for holding knob (3), holding groove (11) diapire corresponds the position shaping of knob (3) perisporium have can supply knob (3) perisporium top-down male ring channel (12), shaping has baffle (13) in ring channel (12), and knob (3) local perisporium downwardly extending is formed with spacing portion (33), and spacing portion (33) can swing between the position that offsets with baffle (13) and keep away from along with the pivot of knob (3).

8. The rotary-switch-type lock according to claim 7, wherein: the bottom wall of the accommodating groove (11) is provided with a first mark (14) and a second mark (15), the knob (3) vertically penetrates through a first window (34), and the first window (34) can swing between the positions aligned with the first mark (14) up and down and the positions aligned with the second mark (15) up and down along with the pivoting of the knob (3).

9. The rotary-switch-type lock according to claim 1, wherein: the jack (5) is further arranged, a jack (16) with a bottom opening is arranged on the rear side of the shell (1), the jack (16) is matched with the jack (5), the local rear side of the jack (16) is open and is communicated with the bottom opening of the jack (16), a connecting part (51) which can penetrate through the opening of the rear side of the jack (16) is formed on the rear side of the jack (5), the connecting part (51) is fixedly connected with a position to be installed, the jack (5) can be inserted into the jack (16) from bottom to top through the bottom opening of the jack (16), a moving part (17) with an inserting block (171) is movably arranged in the shell (1), a slot (52) which can be used for inserting the inserting block (171) from the horizontal direction is formed at the position of the jack (5), the moving part (17) can move relative to the shell (1) between the position enabling the inserting block (171) to be inserted into the slot (52) and the position to be withdrawn, the inserting block (171) can be locked into the jack (16), a second spring (6) is additionally arranged in the jack (16), a moving part (17) is used for driving the moving part (172) to move towards the bottom part (17), the shell (1) is provided with an avoidance hole (18) corresponding to the position of the driving part (172), the driving part (172) can penetrate through the avoidance hole (18) and is exposed outside, and the driving part (172) can be driven by hand to drive the moving part (17) to move towards the direction that the insert block (171) is withdrawn from the slot (52).

10. The utility model provides a flexible door rail which characterized in that: a rotary switch lock head comprising a rotary switch lock head according to any one of claims 1 to 9.