CN211287005U

CN211287005U - Bolt lock

Info

Publication number: CN211287005U
Application number: CN201921084519.7U
Authority: CN
Inventors: 胡利恒
Original assignee: Zhongshan Olang Metal Products Co ltd
Current assignee: Guangdong Oulang Security Technology Co.,Ltd.
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-08-18
Anticipated expiration: 2029-07-11

Abstract

The utility model provides a bolt lock, including well accuse bolt external member, go up bolt external member and go up the bolt pole, wherein, well accuse bolt external member includes casing, handle, interlock piece, goes up pull rod assembly and a resilient element. Go up bolt external member including installation sleeve, trigger spring bolt and stop part. Go up the bolt pole and include relative first insertion tip and first installation tip, first installation tip fixed mounting in first installation axle sleeve, first insertion tip extends the sleeve hole, and pull rod assembly downstream is gone up in the handle through the drive of interlock piece to when compressing first elastic element and making go up bolt pole retraction sleeve hole, thereby the dog is triggered the spring bolt and pushes the draw-in groove from keeping a groove and backstop first insertion tip. The utility model provides a bolt lock drives through well accuse bolt external member and goes up the bolt pole and stretch out or the installation sleeve of inserting the bolt external member in the retraction, has promoted the convenience of controlling the bolt pole in the bolt external member control, and simple structure.

Description

Bolt lock

Technical Field

The utility model relates to a lock technical field particularly, relates to a bolt lock.

Background

The composite door is a special double-door split door, which is composed of a narrower sub door and a wider main door. In actual use, the sub-door is usually closed, and in some specific cases, for example, when large furniture or household appliances need to be carried, the sub-door is opened, and the main door is normally opened or closed. Sub-doors are typically secured to the door frame by a deadbolt lock. The bolt lock is basically composed of a lock body and upper and lower heaven and earth bolts. Although the lock body and the up-down top-bottom bolt of the general bolt lock have a plurality of structures, the common conditions of relatively complex structure and inconvenient operation exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bolt lock to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

The utility model provides a bolt lock, including well accuse bolt external member, go up bolt external member and go up the bolt pole, wherein, well accuse bolt external member includes the casing, the handle, the interlock piece, go up pull rod assembly and first elastic element, the handle is rotationally installed in the casing, the interlock piece, go up pull rod assembly and first elastic element and install in the casing, it includes first installation axle sleeve to go up pull rod assembly, first breach and first end, first breach is located between first installation axle sleeve and the first end, first elastic element installs between first end and casing, the interlock piece includes relative hinged end and first block end, the hinged end is articulated with the handle, first block end and first breach block.

Go up the bolt external member including installation sleeve, trigger spring bolt and stop part, the installation sleeve includes sleeve hole and the draw-in groove that is linked together with the sleeve hole, triggers the spring bolt cover and locates the installation sleeve, triggers the spring bolt and includes keeping away the position groove with draw-in groove matched with, the stop part is acceptd in the draw-in groove or keeps away the position groove.

Go up the bolt pole and include relative first insertion tip and first installation tip, first installation tip fixed mounting is in first installation axle sleeve, first insertion tip extends the sleeve hole, pull rod assembly downstream on the handle passes through the interlock piece drive, thereby compress first elastic element and when making go up bolt pole retraction sleeve hole, thereby the stopper is triggered the spring bolt and pushes the first insertion tip of draw-in groove from keeping away the position groove, thereby when first elastic element replies to make go up pull rod assembly upstream and make the bolt pole stretch out for the installation sleeve, the stopper is pushed into from the draw-in groove by the bolt pole and keeps away the position groove.

Compared with the prior art, the utility model provides a bolt lock drives through well accuse bolt external member and goes up the bolt pole and stretch out or the installation sleeve of pin external member on the retraction, has promoted the convenience of well accuse bolt external member control and goes up the bolt pole, and simple structure.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solution of the present embodiment, the drawings needed to be used in the description of the embodiment will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of a deadbolt lock provided in this embodiment.

Fig. 2 is a schematic structural view of a closed state of a central control plug assembly of the deadbolt lock provided in this embodiment.

Fig. 3 is an exploded view of the upper plug assembly of the deadbolt lock provided in this embodiment.

Fig. 4 is a schematic structural view of a housing of a central control plug assembly of the deadbolt lock provided in this embodiment.

Fig. 5 is an exploded view of the central control plug assembly of the deadbolt lock provided in this embodiment.

Fig. 6 is a schematic structural view of an open state of a central control plug assembly of the deadbolt lock provided in the present embodiment.

Fig. 7 is a schematic diagram of the structure of the upper plug assembly of the deadbolt lock provided in this embodiment.

Fig. 8 is a perspective view of the pin housing assembly of the upper plug set of the deadbolt lock provided in accordance with this embodiment.

Fig. 9 is a front view of the pin housing assembly of the upper plug set of the deadbolt lock provided in accordance with the present embodiment.

Fig. 10 is a schematic view of the structure of the mounting sleeve of the upper plug set of the deadbolt lock provided in this embodiment.

Fig. 11 is a schematic view of the trigger bolt of the deadbolt assembly of the deadbolt lock of the present embodiment.

Fig. 12 is a schematic view of the upper deadbolt assembly of the deadbolt lock of the present embodiment from another perspective.

3 fig. 313 3 is 3 a 3 cross 3- 3 sectional 3 view 3 in 3 the 3 direction 3 a 3- 3 a 3 of 3 fig. 3 12 3. 3

Fig. 14 is a schematic structural view of the upper plug set (in the door open state) of the latch lock according to the present embodiment.

Fig. 15 is a schematic structural view of the upper plug set (in a closed door state) of the latch lock according to the present embodiment.

Detailed Description

To facilitate an understanding of the present embodiments, the present embodiments will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the present examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, fig. 2 and fig. 3, the latch lock 1 according to the present invention includes a central control latch assembly 10, an upper latch assembly 30 and an upper latch rod 50, wherein the central control latch assembly 10 includes a housing 11, a handle 12, a linkage plate 14, an upper pull rod assembly 13 and a first elastic element 17, the handle 12 is rotatably installed in the housing 11, the linkage plate 14, the upper pull rod assembly 13 and the first elastic element 17 are installed in the housing 11, the upper pull rod assembly 13 includes a first installation shaft sleeve 131, a first notch 133 and a first end portion 135, the first notch 133 is located between the first installation shaft sleeve 131 and the first end portion 135, the first elastic element 17 is installed between the first end portion 135 and the housing 11, the linkage plate 14 includes a hinge end 142 and a first engaging end 144, the hinge end 142 is hinged to the handle 12, and the first engaging end 133 is engaged with the first notch.

The upper bolt suite 30 comprises a mounting sleeve 32, a trigger bolt 33 and a stop part 34, the mounting sleeve 32 comprises a sleeve inner hole 321 and a clamping groove 323 communicated with the sleeve inner hole 321, the trigger bolt 33 is sleeved on the mounting sleeve 32, the trigger bolt 33 comprises a position avoiding groove 331 matched with the clamping groove 323, and the stop part 34 is accommodated in the clamping groove 323 or the position avoiding groove 331.

The upper latch rod 50 includes a first insertion end 51 and a first installation end 53, the first installation end 53 is fixedly installed on the first installation boss 131, the first insertion end 51 extends out of the sleeve bore 321, when the handle 12 drives the upper pull rod assembly 13 to move downward through the linkage plate 14, so as to compress the first elastic element 17 and retract the upper latch rod 50 into the sleeve bore 321, the stopper 34 is triggered to push the latch tongue 33 into the notch 323 from the avoiding groove 331 so as to stop the first insertion end 51, and when the first elastic element 17 is recovered so as to move the upper pull rod assembly 13 upward so as to extend the latch rod relative to the installation sleeve 32, the stopper 34 is pushed into the avoiding groove 331 from the notch 323 by the latch rod.

Referring to fig. 4, 5 and 6, in particular, the housing 11 includes a bottom wall 112, a first side wall 114, a second side wall 116, a third side wall 117 and a fourth side wall 119, the first side wall 114, the second side wall 116, the third side wall 117 and the fourth side wall 119 are connected end to end and are perpendicular to the bottom wall 112, wherein the bottom wall 112 is substantially rectangular, the bottom wall 112 is provided with a first limiting groove 1121 and a second limiting groove 1123, the first limiting groove 1121 and the second limiting groove 1123 are both elongated, the first limiting groove 1121 and the second limiting groove 1123 are parallel, the first limiting groove 1121 and the second limiting groove 1123 are located at two sides of the mounting portion 164, the extending direction of the first limiting groove 1121 and the second limiting groove 1123 is the same as the direction of the first side wall 114, the first limiting groove 1121 can be used for limiting the moving direction of the first buckling portion 162, for example, the first latch portion 162 can only move in a direction parallel to the first sidewall 114 to engage the bottom wall 112. The second limiting groove 1123 may be used for limiting the moving direction of the second locking portion 168.

The bottom wall 112 is also provided with mounting posts 1125, which may be used to secure the actuator plate 16 or the like.

The bottom wall 112 is further provided with a third limiting groove 1127 and a fourth limiting groove 1129, the third limiting groove 1127 and the fourth limiting groove 1129 can be the same as the first limiting groove 1121 in shape, the third limiting groove 1127 is parallel to the fourth limiting groove 1129 and extends in a direction parallel to the first side wall 114, the third limiting groove 1127 and the first limiting groove 1121 extend along the same straight line, and the third limiting groove 1127 can be used for limiting the movement direction of the upper pull rod assembly 13. The fourth limiting groove 1129 and the second limiting groove 1123 extend along the same straight line, and the fourth limiting groove 1129 may be used for limiting the moving direction of the lower pull rod assembly 15.

The length of the first sidewall 114 can be set according to practical conditions such as the height of the sub-door, and the first sidewall 114 includes an accommodating groove 1141 and at least one through hole, wherein the accommodating groove 1141 can be used for accommodating the handle 12. The through holes can be used for penetrating fasteners such as screws to install the central control bolt assembly 10 on the sub-door.

The housing 11 further includes a cover plate 118, the cover plate 118 can cooperate with the bottom wall 112 and the first side wall 114 to form a receiving space 315, and the receiving space 315 can be used for receiving the upper pull rod assembly 13 and the like.

The handle 12 may be rod-shaped, and the cross-section of the handle 12 is rectangular. In other embodiments, the cross section of the handle 12 may also be circular, oval, etc., and is not limited herein. The handle 12 is rotatably mounted on the housing 11, specifically, the handle 12 is mounted on the first side wall 114, the handle 12 includes a pulling portion 121 and a transmission portion 124 connected to each other, the pulling portion 121 and the transmission portion 124 are respectively located at two opposite ends of the handle 12, wherein the pulling portion 121 is received in the receiving groove 1141 of the first side wall 114, and a user can control the opening of the latch by rotating the pulling portion 121.

The transmission portion 124 is located on the bottom wall 112, and the transmission portion 124 further includes a first hinge opening 1242 and a second hinge opening 1244 adjacent to each other, the first hinge opening 1242 is hinged to the hinge end 142, and the second hinge opening 1244 is hinged to the first connecting member 18.

The linkage plate 14 is installed in the housing 11, the linkage plate 14 is hinged to the transmission portion 124, the linkage plate 14 rotates around the transmission portion 124 along with the rotation of the lifting portion 121, the linkage plate 14 includes a first engaging end 144 and a hinge end 142 opposite to each other, the hinge end 142 is hinged to the transmission portion 124, the linkage plate 14 is further engaged with the upper pull rod assembly 13, the first engaging end 144 of the linkage plate 14 is engaged with the first notch 133 of the upper pull rod assembly 13, so that the upper pull rod assembly 13 moves along a direction parallel to the first side wall 114 along with the rotation of the linkage plate 14.

The upper tie rod assembly 13 is installed in the housing 11, and specifically, the upper tie rod assembly 13 is adjacent to the third side wall 117, the upper tie rod assembly 13 is substantially in a long strip shape, and the upper tie rod assembly 13 may be formed by a multi-layer stacked structure to improve the tensile strength or the compressive strength of the upper tie rod assembly 13. The mounted upper tie rod assembly 13 is parallel to the first side wall 114. The upper pulling rod assembly 13 sequentially includes a first end portion 135, a second notch 137, a first notch 133 and a first mounting boss 131 from bottom to top.

The first end portion 135 is close to the second side wall 116, the first end portion 135 is provided with a first opening 1351, the first opening 1351 faces the second side wall 116, and the first end portion 135 is provided with a first limiting post 1353 corresponding to the first limiting groove 1121. The first limiting post 1353 penetrates through the upper pull rod assembly 13 along a direction perpendicular to the bottom wall 112, and the first limiting post 1353 is engaged with the first bayonet 1621 and inserted into the first limiting groove 1121, so that the first limiting post 1353 moves along the limiting groove, and the upper pull rod assembly 13 moves along the limiting groove.

The second notch 137 and the first notch 133 face the first sidewall 114, the second notch 137 is located between the first notch 133 and the first end 135, the first notch 133 is matched with the linkage plate 14, and the first engaging end 144 of the linkage plate 14 directly abuts against the upper pull rod assembly 13.

The first mounting boss 131 is located at the end of the upper drawbar assembly 13, and the first mounting boss 131 is adjacent to the fourth side wall 119. In this embodiment, the first mounting bushing 131 may include an internal thread structure for screwing with the upper latch rod 50. In other embodiments, first mounting sleeve 131 may further include a snap groove that may snap into upper latch lever 50. Those skilled in the art will appreciate that the mating relationship of first mounting bushing 131 and upper latching lever 50 includes, but is not limited to, threading and snapping.

The central control plug pin kit 10 further includes a first elastic element 17, a fixing piece 100 and a fixing piece 101.

In the present embodiment, fixing sheet 100 is a sheet bent in multiple stages, fixing sheet 100 is fixed to housing 11, and specifically fixing sheet 100 may be fixed to bottom wall 112.

In other embodiments, the fixing piece 100 may have a plate shape, and the fixing piece 100 may be fixed to the cover plate 118 or the first sidewall 114.

The first elastic element 17 is installed in the housing 11, the first elastic element 17 is located between the second sidewall 116 and the first end 135, and specifically, the first elastic element 17 is disposed between the fixing sheet 100 and the first end 135. The first elastic element 17 may be directly independent of the fixing plate 100 and the upper tie bar assembly 13, and may be connected to at least the fixing plate 100 or the upper tie bar assembly 13. The first elastic element 17 is wound on the fixing member 101, the first elastic element 17 is used for resetting the upper pull rod assembly 13 and the lower pull rod assembly 15, and if the upper pull rod assembly 13 and the lower pull rod assembly 15 respectively have an initial position, when the handle 12 drives the upper pull rod assembly 13 to move downwards, the first elastic element 17 is compressed, when the acting force applied to the handle 12 disappears, the upper pull rod assembly 13 moves upwards to the initial position through the restoring action of the first elastic element 17, the upper pull rod assembly 13 drives the transmission plate 16 to rotate, and thus the lower pull rod assembly 15 is driven to move to the initial position.

The fixing member 101 is rod-shaped, the fixing member 101 is disposed through the fixing plate 100 and can freely move along a direction parallel to the first side wall 114, the fixing member 101 is fixed to the upper pull rod assembly 13, specifically, the fixing member 101 is matched with the first opening 1351 to connect to the upper pull rod assembly 13, and the fixing member 101 can be used for sleeving the first elastic element 17.

The lower pull rod assembly 15 is similar to the upper pull rod assembly 13 in shape and size, the lower pull rod assembly 15 is adjacent to the first sidewall 114, and the lower pull rod assembly 15 sequentially includes a second end portion 151 and a second mounting boss 153 in a top-to-bottom direction.

The second end 151 is indirectly connected to the upper pull rod assembly 13, the second end 151 is provided with a second limiting post 1511 corresponding to the second limiting groove 1123, the second limiting post 1511 penetrates through the lower pull rod assembly 15 along a direction perpendicular to the bottom wall 112, and the second limiting post 1511 is engaged with the second bayonet 1681 and is arranged in the second limiting groove 1123 in a penetrating manner, so that the second limiting post 1511 moves along the second limiting groove 1123, and the lower pull rod assembly 15 moves along the limiting groove.

A second mounting boss 153 is distal from the second end 151 and proximate the second side wall 116, the second mounting boss 153 may also include internal threads or a catch, and the second mounting boss 153 may be used to mount the lower latch lever 90.

The lower pull rod assembly 15 further includes a third notch 155, the third notch 155 faces the first side wall 114 and is close to the second side wall 116, and the third notch 155 can be used for engaging with the catch plate 103.

The central control plug assembly 10 further includes a transmission plate 16, the transmission plate 16 is rotatably mounted to the housing 11, and in particular, the transmission plate 16 is rotatably mounted to the bottom wall 112 via a mounting post 1125, and the transmission plate 16 is snapped between the upper pull rod assembly 13 and the lower pull rod assembly 15. The transmission plate 16 is located between the upper pull rod assembly 13 (or the lower pull rod assembly 15) and the bottom wall 112 as viewed from a direction perpendicular to the bottom wall 112.

The transmission plate 16 includes a first engaging portion 162, a mounting portion 164, and a second engaging portion 168 connected in series.

In this embodiment, the first fastening portion 162 is provided with a first bayonet 1621, the first bayonet 1621 is U-shaped, the first bayonet 1621 is provided in a direction parallel to the outer wall of the transmission plate 16, and the first bayonet 1621 is engaged with the first end portion 135.

The second fastening portion 168 is provided with a second bayonet 1681, the second bayonet 1681 is U-shaped, the opening direction of the second bayonet 1681 is opposite to the opening direction of the first bayonet 1621, and the second bayonet 1681 is fastened with the second end 151.

Mounting portion 164 is movably mounted to bottom wall 112, and in particular, mounting portion 164 is mounted to mounting post 1125, with mounting portion 164 positioned between bottom wall 112 and second connector 19.

In other embodiments, the first and

second latch portions

162 and 168 may each include a through hole that may be used to connect the transmission plate 16 with the upper or lower

pull rod assembly

13 or 15.

In this embodiment, the central control bolt set 10 further includes a first connecting member 18 and a second connecting member 19, the first connecting member 18 is rod-shaped, the first connecting member 18 is hinged to the transmission portion 124, specifically, one end of the first connecting member 18 is hinged to the second hinge opening 1244, and the other end of the first connecting member 18 is hinged to the second connecting member 19.

The second connecting member 19 is rod-shaped, the second connecting member 19 is hinged to the first connecting member 18, and the second connecting member 19 and the handle 12 are respectively connected to two ends of the first connecting member 18. The second connector 19 is mounted to a mounting post 1125.

In other embodiments, the second connecting member 19 may also be directly hinged to the bottom wall 112.

The second connecting member 19 includes a second engaging end 191 and a mounting end 193, the second engaging end 191 is adjacent to the first connecting member 18 and is hinged to the first connecting member 18, the second engaging end 191 includes an engaging protrusion 1911, the engaging protrusion 1911 protrudes along a radial direction of the second engaging end 191, the engaging protrusion 1911 corresponds to the second notch 137 to limit the movement of the upper pulling rod assembly 13, and the engaging protrusion 1911 engages with or disengages from the second notch 137 according to the rotation of the second connecting member 19 relative to the mounting post 1125. The mounting end 193 is mounted to a mounting post 1125,

the central control plug pin set 10 further includes a reset element 102, the reset element 102 is mounted on the mounting post 1125, the reset element 102 abuts against the second connecting element 19 and the upper pulling rod 13, specifically, the reset element 102 abuts between the second connecting element 19 and the first end 135, the reset element 102 is used for the third rotating element to return to the initial position after rotating a predetermined angle, the initial position corresponds to the second engaging end 191 abutting against the second notch 137.

The center control bolt kit 10 further includes a catch plate 103, a button assembly 104, a fixing post 105, and a torsion spring 106. The card plate 103 includes a card connecting portion 1031, a hinge portion 1033 and a pressing portion 1035 connected in sequence, wherein the hinge portion 1033 is rotatably mounted on the bottom wall 112, and the card connecting portion 1031 is engaged with or separated from the third notch 155 according to the rotation of the hinge portion 1033 relative to the bottom wall 112. The fixing post 105 is movably mounted on the bottom wall 112, and specifically, the bottom wall 112 includes a limiting groove perpendicular to the first side wall 114, and the fixing post 105 is inserted into the limiting groove, so that the fixing post 105 moves in a direction perpendicular to the first side wall 114. The button assembly 104 passes through the first side wall 114, and the button assembly 104 is hinged to the pressing portion 1035 through the fixing post 105. The torsion spring 106 is mounted on the hinge portion 1033, and one end of the torsion spring 106 is clamped on the fixing post 105, and the other end is clamped on a fixing structure.

Referring to fig. 2, 7 and 8, the latch housing assembly 31 may be secured to a door panel, the latch housing assembly 31 including a mounting plate 311 and a housing sleeve 313 that are vertically connected.

Mounting plate 311 is flat, and mounting plate 311 includes first surface 3112 and second surface 3114 opposite to each other, and first surface 3112 may be parallel to second surface 3114, and wherein first surface 3112 may be used for laminating on the door frame, and second surface 3114 may be laminated with shell sleeve 313.

Mounting plate 311 includes at least one alignment aperture 3116, alignment aperture 3116 extending through first face 3112 and second face 3114. In this embodiment, the mounting plate 311 includes two positioning holes 3116, the positioning holes 3116 are located at two ends of the mounting plate 311 in the length direction, and the positioning holes 3116 may be circular holes, square holes, or holes with other shapes, which is not limited herein. The positioning hole 3116 may be used for penetrating through a fixing element 101 such as a screw to fix the latch housing assembly 31 to the door panel, and the positioning hole 3116 may also be a chamfered hole, and the chamfer may be disposed on the first surface 3112 and located at a periphery of the positioning hole 3116 to facilitate matching between the mounting hole and the fixing element 101. The cross-sectional size of the positioning hole 3116 is not limited, and the mounting plate 311 can be fixed to the door frame.

The housing sleeve 313 may be cylindrical or have another cross-sectional shape, and the central axis of the housing sleeve 313 coincides with the central axis of the mounting plate 311. The thickness of the outer shell sleeve 313 is not limited herein. When the housing sleeve 313 and the mounting plate 311 are made of plastic materials, the housing sleeve 313 and the mounting plate 311 can be integrally formed by injection molding; when the housing sleeve 313 and the mounting plate 311 are made of metal, the housing sleeve 313 may be fixed to the mounting plate 311 by welding or the like.

The housing sleeve 313 includes an outer surface 3131 and an inner surface 3133, the inner surface 3133 being perpendicularly connected to the first surface 3112, the outer surface 3131 being perpendicularly connected to the second surface 3114. Both the outer surface 3131 and the inner surface 3133 are cylindrical. The housing sleeve 313 further includes a receiving space 315, the receiving space 315 is cylindrical, and the receiving space 315 is enclosed by an inner surface 3133. The receiving space 315 penetrates the first surface 3112 and the second surface 3114 of the mounting plate 311. The receiving space 315 may be used to receive components such as the mounting sleeve 32.

In this embodiment, the housing sleeve 313 further includes a plurality of third indentations 3131, the third indentations 3131 extend through the outer surface 3131 and the inner surface 3133, the third indentations 3131 are located at an end away from the mounting plate 311, the plurality of third indentations 3131 are evenly distributed around the axis of the housing sleeve 313, and the third indentations 3131 can be used to cooperate with other elements for fixing.

Referring to fig. 8 and 9, the housing sleeve 313 of the latch housing assembly 31 defines at least one sliding slot 317 in communication with the receiving space 315. In the present embodiment, the at least one sliding slot 317 includes two sliding slots 317, and the two sliding slots 317 are symmetrically disposed about the axis of the outer sleeve 313, and the sliding slots 317 may penetrate the outer surface 3131 and the inner surface 3133. In other embodiments, the sliding groove 317 may be formed only on the inner surface 3133 of the outer sleeve 313. The at least one runner 317 extends parallel to the axis of the mounting sleeve 32 such that the structure engaging the runner 317 can only move in a direction parallel to the axis of the mounting sleeve 32. The length of the slide groove 317 is smaller than the length of the housing space 315 in a direction parallel to the axis of the mounting sleeve 32.

Referring to fig. 3 and 10, the mounting sleeve 32 is substantially cylindrical, and the mounting sleeve 32 includes an inner sleeve wall 325 and an outer sleeve wall 327 opposite to each other, wherein the inner sleeve wall 325 can be attached to the upper latch rod 50, the inner sleeve hole 321 can be defined by the inner sleeve wall 325, and the outer sleeve wall 327 can be attached to the trigger latch 33 and can be used to surround the second elastic element 35.

The mounting sleeve 32 is fixedly mounted in the receiving space 315 and is coaxially disposed with the plug pin housing assembly 31 and the housing sleeve 313. The mounting sleeve 32 is provided with a clamping groove 323 correspondingly matched with the stop part 34, and the clamping groove 323 is close to the trigger bolt 33. The locking groove 323 is a through groove penetrating the inner wall 325 and the outer wall 327 of the sleeve, and is approximately fan-shaped. The detent 323 is rectangular in cross-section parallel to the axis of the mounting sleeve 32 and is sector-annular in cross-section perpendicular to the axis of the mounting sleeve 32. That is, the locking groove 323 is formed along a circumferential direction perpendicular to the axis of the mounting sleeve 32, the extending direction of the locking groove 323 is perpendicular to the axis of the mounting sleeve 32, and the extending length of the locking groove 323 is related to the length of the stopper 34 installed in the locking groove 323, for example, 1/4 of the circumference of the outer wall 327 of the sleeve.

A plurality of mounting grooves 328 can be opened at the end of the mounting sleeve 32 far away from the trigger bolt 33, the mounting grooves 328 are distributed on the outer wall 327 of the sleeve at equal intervals relative to the axis of the mounting sleeve 32, the mounting grooves 328 are recessed from the outer wall 327 of the sleeve to the inner wall 325 of the sleeve, and the mounting grooves 328 also penetrate through the end face of the mounting sleeve 32 far away from the trigger bolt 33.

With continued reference to fig. 3, the mounting flap 36 is generally annular in shape, and the mounting flap 36 is fixedly mounted to the latch housing assembly 31 and perpendicular to the axis of the mounting sleeve 32. The housing sleeve 313 and the mounting sleeve 32 are fixed to the mounting flap 36. Specifically, the end of the housing sleeve 313 remote from the mounting plate 311 and the end of the mounting sleeve 32 remote from the trigger latch 33 are secured to the mounting flap 36. The mounting flap 36 has a mounting through hole 361 formed in the middle thereof, and the mounting through hole 361 has a diameter larger than the minimum dimension thereof, so that the upper latch lever 50 can pass through the mounting through hole 361 and extend into the mounting sleeve 32. The mounting through-hole 361 may be circular, square, or other shapes, and in fig. 2, the mounting through-hole 361 approximates a square hole including rounded corners.

The mounting flap 36 includes a plurality of mounting protrusions 363, the mounting protrusions 363 protrude outward along the radial direction of the mounting flap 36, and the number and shape of the mounting protrusions 363 correspond to the third notch 3131 of the housing sleeve 313, so that when the mounting flap 36 is fixed to the end portion of the housing sleeve 313 away from the mounting plate 311, each mounting protrusion 363 is engaged with a corresponding third notch 3131, so as to enhance the mounting strength of the mounting flap 36 and the housing sleeve 313. Meanwhile, the mounting through holes 361 are also engaged with the outer wall 327 and the mounting grooves 328 of the sleeve to enhance the mounting strength of the mounting plate 36 and the mounting sleeve 32.

It will be appreciated by those skilled in the art that the mounting tabs 36 can be fixed to the housing sleeve 313 and the mounting sleeve 32 in any suitable manner, including but not limited to injection molding, welding, bonding, etc.

With continued reference to fig. 3 and 10, the stop member 34 is received in the engaging groove 323 or the avoiding groove 331. The stop member 34 corresponds to the catching groove 323, the stop member 34 is substantially a fan-shaped ring body, a cross section of the catching groove 323 parallel to the axial direction of the mounting sleeve 32 includes a smooth curve, and may be a circle, an ellipse or other shapes, and a cross section of the catching groove 323 perpendicular to the axial direction of the mounting sleeve 32 is similar to a fan-shaped ring, that is, a cross section of the mounting sleeve 32 in the circumferential direction is similar to a fan-shaped ring. That is, the stopper 34 may be formed by the stopper 34 extending arcuately in a cross section parallel to the axial direction of the mounting sleeve 32. The circumferential extension of the stop 34 may be less than the length of the catch 323. The height of the stopper 34 in a direction parallel to the axis of the mounting sleeve 32 may be less than or equal to the height of the catching groove 323 so that the stopper 34 can slide in the catching groove 323. In a circumferential direction perpendicular to the axis of the mounting sleeve 32, the thickness of the stopper 34 is greater than the thickness of the catch groove 323, so that the stopper 34 may partially protrude from the sleeve outer wall 327 or the sleeve inner wall 325.

Referring to fig. 3, 7 and 11, the trigger latch 33 is sleeved on the mounting sleeve 32, specifically, the trigger latch 33 is mounted between the latch housing assembly 31 and the mounting sleeve 32, the trigger latch 33 can be retracted into the housing sleeve 313 by the force of the door frame when the door is closed, and the trigger latch 33 can also be extended out of the housing sleeve 313 when the upper latch rod 50 is retracted into the mounting sleeve 32 and is not by the force of the door frame when the door is opened.

The trigger bolt 33 includes a slope 333, a bottom surface 335, a bolt inner wall 336 and a bolt outer wall 337, the bottom surface 335 is perpendicular to the axis of the mounting sleeve 32, the slope 333 intersects the axis of the mounting sleeve 32 at an acute angle, and the angle between the slope 333 and the axis of the mounting sleeve 32 is not limited, but it is required to meet the requirement that the trigger bolt 33 retracts into the housing sleeve 313 under the action of the door frame when the door is closed. The inner locking bolt wall 336 is opposite the outer locking bolt wall 337, the inner locking bolt wall 336 can be attached to the outer sleeve wall 327, and the outer locking bolt wall 337 can be attached to the inner surface 3133 of the outer housing sleeve 313.

The trigger latch 33 includes a catching groove 331 engaged with the catching groove 323. The avoiding groove 331 is a blind groove formed in the direction from the inner wall 336 of the self-locking tongue to the outer wall 337 of the self-locking tongue, the depth of the avoiding groove 331 is related to the thickness of the stop member 34, and the sum of the depth of the avoiding groove 331 and the thickness of the clamping groove 323 is greater than or equal to the thickness of the stop member 34. The avoiding groove 331 may extend through the inclined surface 333, and in other embodiments, may not extend through the inclined surface 333.

In the embodiment, the bottom end of the avoiding groove 331 and the inner wall 336 of the lock tongue are transited by the inner wall inclined surface 3361, that is, on the side of the avoiding groove 331 far from the inclined surface 333, the bottom wall 112 of the avoiding groove 331 and the inner wall 336 of the lock tongue are connected by the inner wall inclined surface 3361. The inner wall inclined surface 3361 intersects the axis of the mounting sleeve 32 at an acute angle, the included angle between the inner wall inclined surface 3361 and the axis of the mounting sleeve 32 is not limited, and the inner wall inclined surface 3361 facilitates pushing the stop member 34 into the clamping groove 323 from the avoiding groove 331.

Referring to fig. 12 and 13, the trigger latch 33 further includes a raised coupling surface 332 and a raised spacer surface 334 coupled to each other, the raised coupling surface 332 being disposed between the inclined surface 333 and the bottom surface 335, and the raised spacer surface 334 being parallel to the axis of the trigger latch 33. The trigger latch 33 further defines at least one second opening 338, the number of the second openings 338 may be the same as the number of the sliding protrusions 339, the second openings 338 face the bottom surface 335, and the second openings 338 are defined by the protrusion connecting surface 332 and the protrusion spacing surface 334.

The trigger latch 33 includes at least one sliding protrusion 339, the at least one sliding protrusion 339 is received in the at least one sliding groove 317 (fig. 8), and the sliding protrusion 339 not only guides the trigger latch 33 to slide along the axial direction of the housing sleeve 313 (fig. 3), but also prevents the trigger latch 33 from being separated from the housing sleeve 313 during the sliding process. In this embodiment, the at least one sliding protrusion 339 includes two sliding protrusions 339, and the two sliding protrusions 339 are symmetrically disposed about an axis of the trigger latch 33. It will be appreciated by those skilled in the art that the number of the sliding protrusions 339 may also be 1, 3 or more, so as to satisfy the requirement of the trigger latch 33 sliding along the axial direction of the housing sleeve 313.

Specifically, the sliding protrusion 339 is an elastic snap structure, the sliding protrusion 339 is basically accommodated in the second opening 338 and partially protrudes out of the outer wall 337 of the lock tongue, the inner side of the sliding protrusion 339 may be flush with the inner wall 336 of the lock tongue, the sliding protrusion 339 is directly connected with the protrusion connecting surface 332, and the sliding protrusion 339 is further spaced from the protrusion spacing surface 334, so that the sliding protrusion 339 may be compressed and restored in the radial direction of the trigger lock tongue 33, which not only facilitates the installation of the trigger lock tongue 33 into the housing sleeve 313, but also facilitates the pressing of the elastic sliding protrusion 339 to remove the trigger lock tongue 33.

Referring to fig. 10 and 14, the upper plug pin assembly 30 further includes a second elastic element 35. The second elastic element 35 is accommodated in the accommodating space 315 and located between the trigger latch 33 and the mounting block 36. The second elastic element 35 may be wound around the sleeve outer wall 327 of the mounting sleeve 32, and may also be connected to both the trigger latch 33 and the mounting flap 36. The second elastic element 35 is used for generating elastic deformation when the triggering bolt 33 is subjected to the acting force of the door frame, for example, at the moment of opening or closing the door, so that the triggering bolt 33 can be retracted into the accommodating space 315 under the elastic deformation of the second elastic element 35; and also for generating an elastic recovery to push the trigger latch 33 out of the housing sleeve 313 when the trigger latch 33 is not applied with the force of the door frame.

Referring to fig. 14, the upper latch rod 50 is telescopically disposed in the mounting sleeve 32, the upper latch rod 50 is coaxial with the housing sleeve 313 and the mounting sleeve 32, and the upper latch rod 50 can pass through the mounting through hole 361 (fig. 3) and extend into the mounting sleeve 32. The upper latch rod 50 can be engaged with the doorframe, thereby fixing the upper latch kit 30 to the doorframe to lock the sub-door.

When the upper latch lever 50 is extended relative to the mounting sleeve 32, the trigger latch 33 is retracted into the housing sleeve 313, the catching groove 323 is communicated with the avoiding groove 331, and the stopper 34 is pushed into the avoiding groove 331 from the catching groove 323 by the upper latch lever 50. When upper latch lever 50 is retracted into mounting sleeve 32, trigger latch 33 extends out of housing sleeve 313, and stop 34 is pushed from clearance groove 331 into catch 323 by trigger latch 33 to prevent upper latch lever 50 from extending out of mounting sleeve 32.

The upper latch rod 50 includes a first insertion end 51 and a first installation end 53 opposite to each other, the first installation end 53 is fixedly installed on the first installation shaft sleeve 131, the first insertion end 51 extends out of the sleeve inner hole 321, the first insertion end 51 of the upper latch rod 50 may be provided with a chamfer, and the upper latch rod 50 may be facilitated to push the stopper 34 into the clearance groove 331 from the catching groove 323 by the chamfer. The first mounting end 53 may include external threads or a snap-fit structure to mount to the first mounting boss 131.

Continuing to refer to fig. 1, the latch lock 1 further includes a lower latch assembly 70 and a lower latch rod 90, the lower latch rod 90 including a second insertion end 91 and a second mounting end 93 opposite to each other, the second mounting end 93 being fixedly mounted to a second mounting boss 153 (fig. 4), the second insertion end 91 extending into the lower latch assembly 70. The specific structure of the lower latch assembly 70 can refer to the upper latch assembly 30, and the specific structure of the lower latch rod 90 can refer to the upper latch rod 50, which will not be described herein.

Referring to fig. 5, 6, 14 and 15, the operation of the deadbolt lock will now be described in one specific example, assuming deadbolt lock 1 is installed in a sub-door.

When the pulling portion 121 is pulled, the first connecting member 18 moves toward the first sidewall 114, and drives the second connecting member 19 to rotate counterclockwise around the mounting portion 164, so that the engaging protrusion 1911 of the second engaging end 191 is separated from the second notch 137. The lifting portion 121 is continuously pulled, the linkage plate 14 moves along with the handle 12, the first engaging end 144 abuts against the upper pull rod assembly 13 to enable the upper pull rod assembly 13 to move downwards, the upper latch rod 50 retracts into the mounting sleeve 32 along with the downward movement of the upper pull rod assembly 13 on the first hand, the trigger latch 33 extends out of the housing sleeve 313 due to the acting force of the first elastic element 17, the stop piece 34 is pushed into the clamping groove 323 from the avoiding groove 331 to prevent the upper latch rod 50 from extending out of the mounting sleeve 32, so that the upper latch rod 50 is unlocked, the upper pull rod assembly 13 drives the transmission plate 16 to rotate clockwise on the second hand, the lower latch rod assembly 15 is lifted upwards, and the lower latch rod 90 is driven by the lower latch rod 15 to move upwards, so that the lower latch rod 90 is unlocked. The clamping portion 1031 of the clamping plate 103 can also be clamped with the third notch 155 in the process of lifting the lower pull rod assembly 15 upwards. In summary, the pulling of the pulling part 121 can simultaneously control the unlocking of the upper and lower latch levers, so as to open the sub-door, thereby facilitating the operation of the user.

When the lifting part 121 is released, the lower latch rod 90 cannot move downwards to realize locking because the clamping part 1031 of the clamping plate 103 is clamped with the third notch 155, so that the upper latch rod 50 and the lower latch rod 90 are prevented from automatically extending out when the lifting part 121 is released, and the lifting part 121 is prevented from being released again when the door is closed. When the button assembly 104 is pressed, the pressing portion 1035 moves in a direction away from the first side wall 114, so that the locking portion 1031 moves in a direction close to the first side wall 114, and the locking portion 1031 separates from the third notch 155. On the first hand, the upper pull rod assembly 13 moves upward under the action of the first elastic element 17, the inclined surface 333 of the trigger bolt 33 retracts into the housing sleeve 313 due to the acting force of the door frame, so that the avoiding groove 331 is communicated with the clamping groove 323, the upper latch rod 50 extends out of the mounting sleeve 32 under the driving of the upper pull rod assembly 13 and is clamped with the door frame to realize locking, the stop member 34 is pushed into the avoiding groove 331 from the clamping groove 323 by the upper latch rod 50, locking of the upper latch rod 50 is realized, the upper pull rod assembly 13 drives the transmission plate 16 to rotate counterclockwise, the transmission plate 16 drives the lower pull rod assembly 15 to move downward, and locking of the lower latch rod 90 is realized. In the second aspect, the second connecting member 19 rotates clockwise under the action of the reset member 102, and the second engaging end 191 is directly engaged with the second notch 137 to form a self-lock of the upper and lower plugs, so as to prevent the upper and lower plugs from being unlocked under the action of external force. The second connecting member 19 also drives the first connecting member 18 to move away from the first sidewall 114, so that the lifting portion 121 moves toward the first sidewall 114 and is finally accommodated in the accommodating groove 1141. In summary, after the handle 12 is released, the handle 12 can automatically rebound until being received in the receiving cavity 1141, so as to protect the handle 12 and prevent the handle 12 from protruding from the first sidewall 114 to cause inconvenience to the user.

To sum up, the utility model provides a bolt lock 1 drives through well accuse bolt external member 10 and goes up bolt pole 50 and stretch out or the installation sleeve 32 of bolt external member 30 in the retraction, has promoted the convenience of controlling bolt pole 50 in well accuse bolt external member 10 control, and simple structure.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A deadbolt lock, comprising:

the middle control bolt suite comprises a shell, a handle, a linkage plate, an upper pull rod assembly and a first elastic element, wherein the handle is rotatably arranged on the shell, the linkage plate, the upper pull rod assembly and the first elastic element are arranged in the shell, the upper pull rod assembly comprises a first mounting shaft sleeve, a first notch and a first end part, the first notch is positioned between the first mounting shaft sleeve and the first end part, the first elastic element is arranged between the first end part and the shell, the linkage plate comprises a hinge end and a first clamping end which are opposite, the hinge end is hinged with the handle, and the first clamping end is clamped with the first notch;

the upper bolt external member comprises a mounting sleeve, a trigger bolt and a stop part, wherein the mounting sleeve comprises a sleeve inner hole and a clamping groove communicated with the sleeve inner hole, the trigger bolt is sleeved on the mounting sleeve and comprises a position avoiding groove matched with the clamping groove, and the stop part is accommodated in the clamping groove or the position avoiding groove;

the upper plug pin rod comprises a first inserting end part and a first mounting end part which are opposite, the first mounting end part is fixedly mounted on the first mounting shaft sleeve, and the first inserting end part extends out of the inner hole of the sleeve;

when the handle drives the upper pull rod assembly to move downwards through the linkage plate so as to compress the first elastic element and retract the upper plug rod into the sleeve inner hole, the stop piece is pushed into the clamping groove from the position avoiding groove by the trigger bolt so as to stop the first insertion end part; when the first elastic element is restored to enable the upper pull rod assembly to move upwards, so that the bolt rod extends relative to the mounting sleeve, the stop piece is pushed into the avoiding groove from the clamping groove by the first inserting end portion.

2. The latch lock of claim 1, wherein the housing includes a mounting post, the central control latch assembly further includes a first connector and a second connector, one end of the first connector is hinged to the handle, the other end of the first connector is hinged to the second connector, the second connector includes a second latching end and a mounting end, the mounting end is mounted to the mounting post, the second latching end is hinged to the first connector and has a latching protrusion, the pull-up lever assembly further includes a second notch corresponding to the latching protrusion, the second notch is located between the first notch and the first end, and the latching protrusion latches or disengages with the second notch according to rotation of the second connector relative to the mounting post.

3. The latch lock of claim 1, wherein the housing includes a bottom wall, a first side wall, a second side wall, a third side wall, and a fourth side wall, the first side wall, the second side wall, the third side wall, and the fourth side wall being connected end to end and all perpendicular to the bottom wall, the handle being mounted to the first side wall, the pull-up rod assembly being adjacent to the third side wall, the first mounting boss being adjacent to the fourth side wall, the first end being proximate to the second side wall, the first resilient element being located between the second side wall and the first end.

4. The latch lock of claim 3, wherein the central control latch assembly further comprises a lower pull rod assembly, a catch plate, a button assembly, a fixing post and a torsion spring, the lower pull rod assembly comprises a third notch, the catch plate comprises a catch portion, a hinge portion and a pressing portion which are sequentially connected, the hinge portion is rotatably mounted on the bottom wall, the button assembly penetrates through the first side wall, the fixing post is movably mounted on the bottom wall, the button assembly is hinged to the pressing portion through the fixing post, the catch portion is engaged with or disengaged from the third notch according to rotation of the hinge portion relative to the bottom wall, the torsion spring is mounted on the hinge portion, one end of the torsion spring is clamped on the fixing post, and the other end of the torsion spring is clamped on a fixed structure.

5. The latch lock of claim 3, wherein the central control latch assembly further comprises a lower pull rod assembly and a transmission plate, the lower pull rod assembly is adjacent to the first side wall and comprises a second end portion, the transmission plate comprises a first buckling portion, an installation portion and a second buckling portion, the first buckling portion, the installation portion and the second buckling portion are sequentially connected, the installation portion is movably installed on the bottom wall, the first buckling portion is provided with a first bayonet, the first bayonet is clamped with the first end portion, the second buckling portion is provided with a second bayonet, and the second bayonet is clamped with the second end portion.

6. The deadbolt lock of claim 5, further comprising a lower deadbolt assembly and a lower deadbolt lever, the lower pull rod assembly further comprising a second mounting bushing distal from the second end and proximate to the second side wall, the lower deadbolt lever comprising an opposing second insertion end fixedly mounted to the second mounting bushing and a second mounting end extending into the lower deadbolt assembly.

7. A latch lock according to claim 1, wherein the mounting sleeve comprises opposed inner and outer sleeve walls, the inner sleeve bore being defined by the inner sleeve wall, the detent groove opening in a circumferential direction perpendicular to the axis of the mounting sleeve and extending through the inner and outer sleeve walls.

8. A latch lock according to claim 1, wherein the stop corresponds to the catch slot, the stop having a thickness greater than the catch slot in a circumferential direction perpendicular to the mounting sleeve axis.

9. The deadbolt lock of claim 1, wherein the strike comprises an inclined surface, a bottom surface, an inner deadbolt wall, and an outer deadbolt wall, the bottom surface is perpendicular to the axis of the mounting sleeve, the inclined surface intersects the axis of the mounting sleeve at an acute angle, the inner deadbolt wall is opposite to the outer deadbolt wall, the avoidance slot is a blind slot formed from the inner deadbolt wall in the direction of the outer deadbolt wall and extends through the inclined surface, and the sum of the depth of the blind slot and the thickness of the slot is greater than or equal to the thickness of the stop.

10. A latch lock according to claim 1, wherein the upper latch assembly further comprises a latch housing assembly including a vertically connected housing sleeve mounting plate and housing sleeve, the housing sleeve, mounting sleeve and upper latch rod being coaxial, the housing sleeve including a receiving space in which the mounting sleeve is mounted, the trigger bolt being mounted between the housing sleeve and the mounting sleeve.

11. The deadbolt lock of claim 10, wherein the upper deadbolt assembly further comprises a second resilient element and a mounting tab, the mounting tab is fixedly mounted to the housing sleeve and perpendicular to an axis of the mounting sleeve, the second resilient element is received in the receiving space and is positioned between the trigger bolt and the mounting tab.