CN220504765U - Double-hook type sliding door lock tongue - Google Patents

Double-hook type sliding door lock tongue Download PDF

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Publication number
CN220504765U
CN220504765U CN202321963607.0U CN202321963607U CN220504765U CN 220504765 U CN220504765 U CN 220504765U CN 202321963607 U CN202321963607 U CN 202321963607U CN 220504765 U CN220504765 U CN 220504765U
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China
Prior art keywords
lock
tongue
lock tongue
coupler knuckle
hook
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CN202321963607.0U
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Chinese (zh)
Inventor
陈丹
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Zhongshan Qianjun Metal Products Co ltd
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Zhongshan Qianjun Metal Products Co ltd
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Priority to CN202321963607.0U priority Critical patent/CN220504765U/en
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Abstract

The utility model relates to a double-hook type sliding door lock tongue, which comprises a lock shell provided with a lock tongue opening, a lock tongue arranged in the lock shell and a shifting peach component for driving the lock tongue to enter and exit in the lock tongue opening, wherein the lock tongue is provided with a containing cavity provided with an upper hook tongue opening and a lower hook tongue opening, the containing cavity is rotationally connected with the upper hook tongue and the lower hook tongue, the front ends of the upper hook tongue and the lower hook tongue are driven by the lock tongue to enter and exit from the upper lock tongue opening and the lower lock tongue opening respectively, a rear pivot shaft is arranged on the lock tongue, a torsion spring is sleeved on the rear pivot shaft, two torsion arms of the torsion spring respectively support against the back surfaces of the upper hook tongue and the lower hook tongue, the two torsion arms of the torsion spring are utilized to increase the elastic potential energy of the upper hook tongue and the lower hook tongue, the upper hook tongue and the lower hook tongue cannot be easily contained in the containing cavity under the external impact, and the stability of the upper hook tongue and the lower hook tongue can be retracted elastically.

Description

Double-hook type sliding door lock tongue
Technical Field
The utility model relates to the field of door locks, in particular to a double-hook type sliding door lock tongue.
Background
The prior sliding door lock structure, such as the Chinese patent document application number is: the main structure disclosed in the structure of CN 201920355059.0 is shown as a push-pull door lock, wherein the main structure disclosed comprises a lock shell with an opening at one end, a lock seat plate, a lock tongue, a driving plate connected with a lock tongue part, a latch tongue, a square shaft, a dial peach, an inner baffle cover and a knob, when the lock door is used for locking, after the lock tongue part extends out of the opening, driving hooks 54 on the two latch tongues collide with the lock seat plate 2, so that the two latch tongues rotate to extend out of a containing cavity to realize the lock door, and the latch tongue of the structure drives the latch tongues to rotate in a hard collision stopping mode, so that the two latch tongues can be ensured to rotate in place after the latch tongue extends out of place, the efficiency of the lock door is low, and when the door lock is subjected to an outward pulling force, the two latch tongues which are not restricted easily collide with a lock tongue box to be contracted into the containing cavity again, so that the door lock is invalid.
Disclosure of Invention
The utility model aims to solve the existing problems and provide the double-hook type sliding door lock tongue with simple and reasonable structure, which mainly has the function of increasing the elastic potential energy of the upper hook tongue and the lower hook tongue by utilizing the two torsion arms of the torsion spring, so that the upper hook tongue and the lower hook tongue cannot easily retract into the accommodating cavity under the collision of the external action.
The double-hook type sliding door lock tongue comprises a lock shell provided with a lock tongue opening, a lock tongue arranged in the lock shell and a peach pulling assembly for driving the lock tongue to enter and exit in the lock tongue opening, wherein a containing cavity with an upper hook tongue opening and a lower hook tongue opening is arranged on the lock tongue, an upper hook tongue and a lower hook tongue are rotationally connected in the containing cavity, the front ends of the upper hook tongue and the lower hook tongue are driven by the lock tongue to enter and exit the containing cavity from the upper lock tongue opening and the lower lock tongue opening respectively, a rear pivot shaft is arranged on the lock tongue, a torsion spring is sleeved on the rear pivot shaft in a penetrating mode, and two torsion arms of the torsion spring are respectively propped against the back surfaces of the upper hook tongue and the lower hook tongue.
The aim of the utility model can be also solved by adopting the following technical measures:
as a more specific scheme, a front pivot shaft is arranged in the accommodating cavity, and the upper coupler knuckle and the lower coupler knuckle are hinged on the front pivot shaft in a scissor-type rotation manner.
As a further scheme, the upper coupler knuckle and the lower coupler knuckle both comprise hinge parts, and hinge holes hinged with the front pivot shaft are coaxially formed in the two hinge parts; the front ends of the upper coupler knuckle and the lower coupler knuckle are respectively provided with a hook part for entering and exiting an upper coupler knuckle opening or a lower coupler knuckle opening, the rear end surfaces of the upper coupler knuckle and the lower coupler knuckle are respectively provided with a driving hook, and a stop part matched with the driving hook is arranged on the lock shell close to the lock tongue opening.
As a further scheme, the tail ends of the two torsion arms of the torsion spring are bent and formed with force application arms which transversely abut against the back surfaces of the driving hooks of the upper coupler knuckle and the lower coupler knuckle.
As a further scheme, the peach pulling component comprises a lock tongue rod and a lock tongue peach pulling component; the front end of the lock tongue rod is integrally combined with the lock tongue, and the rear end of the lock tongue rod is provided with a movable groove; the lock tongue is driven by the lock tongue and is connected to the lock shell through the rotation of the shaft part, and the lock tongue is driven by the lock tongue and is also provided with a driving lever which is connected in the movable groove in a penetrating way, and the driving lever drives the lock tongue rod to slide back and forth through the rotation of the lock tongue and the lock tongue.
As a further scheme, the rear pivot shaft is connected to the lock tongue in a penetrating way, a limiting part is arranged at one end of the rear pivot shaft, the torsion spring is sleeved between the limiting part and the lock tongue in a penetrating way, and an installation opening is formed in one side, corresponding to the rear pivot shaft, of the lock tongue, in which the torsion spring is sleeved.
As a further scheme, the straight line slider extends on the opposite side on the spring bolt pole, the guide rail groove has been seted up to corresponding straight line slider on the inner wall of lock shell, the spring bolt pole passes through straight line slider and guide rail groove cooperation and constitutes sharp sliding connection with the lock shell.
As a further scheme, a first limiting block and a second limiting block which are arranged on two sides of a shifting lever are arranged in the lock shell, the shifting lever is in limiting connection with the first limiting block corresponding to the lock door position of the lock tongue, meanwhile, the top end face of the shifting lever is in inclined connection with the front inclined groove wall of the movable groove, the shifting lever is in limiting connection with the second limiting block corresponding to the door opening position of the lock tongue, and meanwhile, the top end face of the shifting lever is in inclined connection with the rear inclined groove wall of the movable groove.
As a further scheme, the lock shell is internally clamped with an arc-shaped elastic sheet, a first plane propped against the arc-shaped elastic sheet is arranged at the periphery of the lock tongue poking peach corresponding to the lock door position of the lock tongue, a second plane propped against the arc-shaped elastic sheet is arranged at the door opening position of the lock tongue corresponding to the lock tongue, and a damping convex angle is arranged between the first plane and the second plane.
As a further scheme, the shaft part is provided with a square shaft hole, a straight hole or a cross hole.
The beneficial effects of the utility model are as follows:
according to the double-hook type sliding door lock tongue, the two torsion arms of the torsion spring are respectively abutted against the back surfaces of the upper coupler knuckle and the lower coupler knuckle, the elastic potential energy of the upper coupler knuckle and the lower coupler knuckle is increased by the two torsion arms of the torsion spring, after the upper coupler knuckle opening and the lower coupler knuckle opening extend out of the lock tongue opening, the upper coupler knuckle and the lower coupler knuckle can be immediately ejected out of the coupler knuckle opening to realize a door locking state, the door locking efficiency is improved, when a door lock is subjected to outward pulling force, the upper coupler knuckle and the lower coupler knuckle still cannot easily retract into the accommodating cavity when the upper coupler knuckle and the lower coupler knuckle collide with the lock tongue box, even if the door lock is slightly pressed, the door locking state can be recovered by utilizing the elastic potential energy, the stability of the upper coupler knuckle and the lower coupler knuckle when the door is locked is improved, and the torsion spring can play an elastic buffering role.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model.
Fig. 2 is a schematic exploded view of the present utility model.
FIG. 3 is a schematic view of the mating structure of the knuckle and torsion spring of the present utility model.
Fig. 4 is a schematic view of the internal structure of the lock case of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 to 4, the double hook sliding door lock tongue comprises a lock shell 1 provided with a lock tongue opening 101, a lock tongue 2 arranged in the lock shell 1 and a peach pulling component for driving the lock tongue 2 to enter and exit in the lock tongue opening 101, wherein a containing cavity 201 provided with an upper hook tongue opening 203 and a lower hook tongue opening 204 is arranged on the lock tongue 2, an upper hook tongue 31 and a lower hook tongue 32 are rotationally connected in the containing cavity 201, the front ends of the upper hook tongue 31 and the lower hook tongue 32 are driven by the lock tongue 2 to enter and exit the containing cavity 201 from the upper lock tongue opening 101 and the lower lock tongue opening 101 respectively, a rear pivot shaft 41 is arranged on the lock tongue 2, a torsion spring 5 is sleeved on the rear pivot shaft 41 in a penetrating manner, and two torsion arms 51 of the torsion spring 5 respectively prop against the back surfaces of the upper hook tongue 31 and the lower hook tongue 32; a front pivot shaft 42 is disposed in the accommodating cavity 201, and the upper knuckle 31 and the lower knuckle 32 are hinged to the front pivot shaft 42 in a scissor-type rotation manner.
Compared with the prior art, the sliding door lock tongue is respectively pressed against the back surfaces of the upper coupler knuckle 31 and the lower coupler knuckle 32 through the two torsion arms 51 of the torsion spring 5, the elastic potential energy of the upper coupler knuckle 31 and the lower coupler knuckle 32 is increased by utilizing the two torsion arms 51 of the torsion spring 5, after the upper coupler knuckle opening and the lower coupler knuckle opening extend out of the lock tongue opening 101, the upper coupler knuckle and the lower coupler knuckle can be immediately popped out of the coupler knuckle opening 101 to realize the door locking state, the door locking efficiency is improved, and when the door lock is subjected to outward pulling acting force, the upper coupler knuckle and the lower coupler knuckle still cannot easily retract into the accommodating cavity 201 when colliding with the lock tongue box, even if the door lock is slightly pressed, the door locking state can be recovered by utilizing the elastic potential energy, and the stability of the upper coupler knuckle and the lower coupler knuckle when the door is locked is improved.
The upper hook tongue 31 and the lower hook tongue 32 comprise hinge parts 301, and hinge holes 302 hinged with the front pivot shaft 42 are coaxially formed in the two hinge parts 301; the front ends of the upper hook tongue 31 and the lower hook tongue 32 are respectively provided with a hook part 303 which enters and exits the opening of the upper hook tongue 32 or the opening of the lower hook tongue 32, the rear end surfaces of the upper hook tongue 31 and the lower hook tongue 32 are respectively provided with a driving hook 304, and a stop part 102 which is matched with the driving hook 304 in a stop way is arranged on the lock shell 1 close to the lock tongue opening 101;
the upper hook tongue 31 and the lower hook tongue 32 are coaxially rotated on the front pivot shaft 42 through the hinge hole 302, the height requirement of the accommodating cavity is reduced, the door lock is more compact, when the bolt 2 is driven by the peach pulling assembly to slide outwards to extend out of the bolt opening 101, when the driving hook 304 collides with the stop part 102, the upper hook tongue 31 and the lower hook tongue 32 can rotate along the front pivot shaft 42, and the hook part 303 extends out of the accommodating cavity 201 from the upper hook tongue opening 203 and the lower hook tongue opening 204 respectively.
The tail ends of the two torsion arms 51 of the torsion spring 5 are bent to form a force application arm 52, and the force application arm 52 transversely abuts against the back surfaces of the driving hooks 304 of the upper coupler knuckle 31 and the lower coupler knuckle 32; the force applying arm 52 ensures that the upper 31 and lower 32 knuckles are in full contact during rotation.
The peach shifting assembly comprises a lock tongue rod 6 and a lock tongue peach shifting 7; the front end of the lock tongue rod 6 is integrally combined with the lock tongue 2, and the rear end of the lock tongue rod is provided with a movable groove 61; the lock tongue shifting peach 7 is rotatably connected to the lock shell 1 through a shaft part 71, the lock tongue shifting peach 7 is also provided with a shifting rod 8 which is connected in the movable groove 61 in a penetrating way, and the shifting rod 8 shifts the lock tongue rod 6 to slide back and forth through the rotation of the lock tongue shifting peach 7; the spring bolt is driven to swing through the rotation of the spring bolt shifting peach 7, and then the spring bolt rod 6 is pushed to slide back and forth.
In addition, dodging opening 104 has been seted up to corresponding movable groove 61 on the lock shell 1, be provided with on the rear end of spring bolt pole 6 and slide the spacing convex part 63 in dodging opening 104, can carry out spacing to spring bolt pole 6 equally through spacing convex part 63 and dodging opening 104 cooperation to in the swinging process of driving lever 8, its outer end can be through dodging the opening and swing out outside the lock shell 1, can reduce the diameter of lock shell 1 under the slip range of guaranteeing driving lever 8, make the lock compacter.
The rear pivot shaft 41 is connected to the lock tongue 2 in a penetrating way, one end of the rear pivot shaft is provided with a limiting part 411, the torsion spring 5 is sleeved between the limiting part 411 and the lock tongue 2 in a penetrating way, and one side of the lock tongue 2 corresponding to the rear pivot shaft 41, which is sleeved with the torsion spring 5, is provided with an installation opening 202; the rear pivot 41 and the torsion spring 5 are assembled through the mounting opening 202.
The opposite side of the lock tongue rod 6 is extended with a linear slide block 62, the inner wall of the lock shell 1 is provided with a guide rail groove 103 corresponding to the linear slide block 62, and the lock tongue rod 6 is in linear sliding connection with the lock shell 1 through the matching of the linear slide block 62 and the guide rail groove 103; this structure ensures that the tongue bar 6 can slide straight and does not shift.
A first limiting block 9 and a second limiting block 10 which are arranged at two sides of a deflector rod 8 are arranged in the lock shell 1, the deflector rod 8 is in limiting contact with the first limiting block 9 corresponding to the locking position of the lock tongue 2, meanwhile, the top end face 801 of the deflector rod 8 is in inclined contact with the front inclined groove wall 611 of the movable groove 61, the deflector rod 8 is in limiting contact with the second limiting block 10 corresponding to the door opening position of the lock tongue 2, and meanwhile, the top end face 801 of the deflector rod 8 is in inclined contact with the rear inclined groove wall 612 of the movable groove 61; the structure ensures that when the deflector rod 8 is in a door locking position or a door opening position, the deflector rod 8 acts on the supporting rod to prop against the front inclined groove wall 611 or the rear inclined groove wall 612, so that the lock tongue 2 cannot actively drive the lock tongue rod 6 to slide, and only the deflector rod 8 can drive the lock tongue rod 6 to slide.
An arc-shaped elastic sheet 11 is clamped in the lock shell 1, a first plane 701 propped against the arc-shaped elastic sheet 11 is arranged at the periphery of the lock bolt shifting peach 7 corresponding to the door locking position of the lock bolt 2, a second plane 702 propped against the arc-shaped elastic sheet 11 is arranged at the door opening position corresponding to the lock bolt 2, and a damping convex angle 703 is arranged between the first plane 701 and the second plane 702; the arc-shaped elastic sheet 11 is elastically abutted against the first plane 701 or the second plane 702, so that when the lock tongue keeps a door locking state or a door opening state, damping sense is provided, the lock tongue cannot slide back and forth easily under acting force, the damping convex angle 703 is pressed against the arc-shaped elastic sheet 11 when the door locking state or the door opening state is switched, stronger damping sense can be provided, and a user can accurately switch to a required state.
In this embodiment, the shaft 71 is provided with a cross hole 711, and the shaft 71 is driven to rotate by a straight or cross tool, but in other embodiments, the shaft may be replaced by a square shaft hole or a straight hole.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a double hook formula push-and-pull door spring bolt, including set up lock shell (1) of spring bolt mouth (101), place spring bolt (2) and drive spring bolt (2) in lock shell (1) and dial peach subassembly of business turn over in spring bolt mouth (101), be equipped with on spring bolt (2) and possess holding chamber (201) of upper and lower hook mouth, and holding chamber (201) internal rotation is connected with upper hook tongue (31) and lower hook tongue (32), the front end of upper hook tongue (31) and lower hook tongue (32) drives respectively from upper and lower spring bolt mouth (101) business turn over holding chamber (201), its characterized in that through spring bolt (2): the novel lock tongue is characterized in that a rear pivot shaft (41) is arranged on the lock tongue (2), a torsion spring (5) is sleeved on the rear pivot shaft (41), and two torsion arms (51) of the torsion spring (5) respectively support against the back surfaces of the upper coupler knuckle (31) and the lower coupler knuckle (32).
2. The double hook sliding door latch according to claim 1, wherein: a front pivot shaft (42) is arranged in the accommodating cavity (201), and the upper coupler knuckle (31) and the lower coupler knuckle (32) are hinged on the front pivot shaft (42) in a scissor-type rotation mode.
3. The double hook sliding door latch according to claim 2, wherein: the upper coupler knuckle (31) and the lower coupler knuckle (32) comprise hinge parts (301), and hinge holes (302) hinged with a front pivot shaft (42) are coaxially formed in the two hinge parts (301); the front ends of the upper coupler knuckle (31) and the lower coupler knuckle (32) are respectively provided with a hook part (303) which enters and exits the opening of the upper coupler knuckle or the lower coupler knuckle (32), the rear end surfaces of the upper coupler knuckle (31) and the lower coupler knuckle (32) are respectively provided with a driving hook (304), and a stop part (102) matched with the driving hook (304) is arranged on the lock shell (1) close to the lock tongue opening (101).
4. A double hook sliding door latch according to claim 3, wherein: the tail ends of the two torsion arms (51) of the torsion spring (5) are bent and formed with force application arms (52), and the force application arms (52) transversely abut against the back surfaces of the driving hooks (304) of the upper coupler knuckle (31) and the lower coupler knuckle (32).
5. The double hook sliding door latch according to claim 1, wherein: the peach shifting assembly comprises a lock tongue rod (6) and a lock tongue peach shifting assembly (7); the front end of the lock tongue rod (6) is integrally combined with the lock tongue (2), and the rear end of the lock tongue rod is provided with a movable groove (61); the lock tongue is dialled and is connected on lock shell (1) through shaft part (71) rotation on peach (7) to still be equipped with on the peach (7) is dialled to the lock tongue and cross-under in movable groove (61) driving lever (8), driving lever (8) are dialled through the rotation of peach (7) and are dialled lock tongue pole (6) back and forth slip.
6. The double hook sliding door latch according to claim 1, wherein: the rear pivot shaft (41) is connected to the lock tongue (2) in a penetrating mode, a limiting part (411) is arranged at one end of the rear pivot shaft, the torsion spring (5) is sleeved between the limiting part (411) and the lock tongue (2), and an installation opening (202) is formed in one side, corresponding to the rear pivot shaft (41), of the lock tongue (2) in a penetrating mode, where the torsion spring (5) is sleeved.
7. The double hook sliding door latch according to claim 5, wherein: the lock comprises a lock shell and is characterized in that a linear sliding block (62) extends on the opposite side of the lock tongue rod (6), a guide rail groove (103) is formed in the inner wall of the lock shell (1) corresponding to the linear sliding block (62), and the lock tongue rod (6) is in linear sliding connection with the lock shell (1) through the matching of the linear sliding block (62) and the guide rail groove (103).
8. The double hook sliding door latch according to claim 1, wherein: the novel lock is characterized in that a first limiting block (9) and a second limiting block (10) which are arranged on two sides of the shifting lever (8) are arranged in the lock shell (1), the shifting lever (8) is in limiting connection with the first limiting block (9) corresponding to the door locking position of the lock tongue (2), meanwhile, the top end face (801) of the shifting lever (8) is obliquely abutted to the front inclined groove wall (611) of the movable groove (61), the shifting lever (8) is in limiting connection with the second limiting block (10) corresponding to the door opening position of the lock tongue (2), and meanwhile, the top end face (801) of the shifting lever (8) is obliquely abutted to the rear inclined groove wall (612) of the movable groove (61).
9. The double hook sliding door latch according to claim 5, wherein: the lock is characterized in that an arc-shaped elastic sheet (11) is clamped in the lock shell (1), a first plane (701) propped against the arc-shaped elastic sheet (11) is arranged at the periphery of the lock bolt shifting peach (7) corresponding to the lock door position of the lock bolt (2), a second plane (702) propped against the arc-shaped elastic sheet (11) is arranged at the door opening position corresponding to the lock bolt (2), and a damping convex angle (703) is arranged between the first plane (701) and the second plane (702).
10. The double hook sliding door latch according to claim 5, wherein: the shaft portion (71) is provided with a square shaft hole, a straight hole or a cross hole (711).
CN202321963607.0U 2023-07-24 2023-07-24 Double-hook type sliding door lock tongue Active CN220504765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321963607.0U CN220504765U (en) 2023-07-24 2023-07-24 Double-hook type sliding door lock tongue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321963607.0U CN220504765U (en) 2023-07-24 2023-07-24 Double-hook type sliding door lock tongue

Publications (1)

Publication Number Publication Date
CN220504765U true CN220504765U (en) 2024-02-20

Family

ID=89870233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321963607.0U Active CN220504765U (en) 2023-07-24 2023-07-24 Double-hook type sliding door lock tongue

Country Status (1)

Country Link
CN (1) CN220504765U (en)

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