CN108756464B

CN108756464B - Door lock structure

Info

Publication number: CN108756464B
Application number: CN201810854285.3A
Authority: CN
Inventors: 罗培锐
Original assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Current assignee: Meizhi Photoelectric Technology Co ltd
Priority date: 2018-07-30
Filing date: 2018-07-30
Publication date: 2023-06-27
Anticipated expiration: 2038-07-30
Also published as: CN108756464A

Abstract

The invention provides a door lock structure, comprising: a panel assembly in which a receiving chamber having one side opened is formed; the handle fixing block is rotatably arranged in the accommodating cavity and is arranged on the plate body provided with the opening, and comprises a first limiting part and a matching part extending out of the opening; the handle assembly is arranged outside the accommodating cavity and is fixedly connected with the handle fixing block through the matching part; wherein, hold the second spacing portion of having set firmly on the inner wall in chamber, at the handle subassembly atress rotation in-process, through the cooperation restriction handle subassembly's between first spacing portion and the second spacing portion rotation space. According to the technical scheme, the product differentiation design is realized, the structure of key moving parts such as the handle main body and the handle fixing block is reinforced, materials with higher strength can be selected for manufacturing, the strength of the door lock structure is improved, the damaged parts can be maintained or replaced in a targeted manner, and the maintenance cost is greatly reduced.

Description

Door lock structure

Technical Field

The invention relates to the technical field of door locks, in particular to a door lock structure.

Background

The existing push-pull door lock handle structure mainly comprises three parts, namely a handle, a lock body shell and a rotating shaft. The handle is directly arranged on the lock body shell through the rotating shaft, the handle is connected into a whole, the pushing or pulling rotary motion of the handle is realized through the rotating shaft, the structural mode is simple, but various push-pull door locks of various manufacturers currently commonly adopt the handle structure, and products imitate plagiarism and are serious in homogenization. In addition, the existing handle has a single structural mode, and the space for extending and changing is limited, so that the innovation of products and the extension of product lines are not facilitated. In addition, because the door lock is easy to durable damage after long-term repeated door opening/closing in the use process, the moving parts of the handle and the front panel of the door lock are easy to durable damage, and once damaged, the whole handle or the front panel of the door lock needs to be replaced, so that the maintenance cost is higher. In addition, in order to prolong the service life of the door lock, the handle and the front panel of the door lock are often required to be made of materials with better structural strength, so that the overall cost of the product is high, and the market competitiveness of the product is greatly reduced.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

In view of the above, an object of the present invention is to provide a door lock structure.

In order to achieve the above object, the present invention provides a door lock structure, including: a panel assembly in which a receiving chamber having one side opened is formed; the handle fixing block is rotatably arranged in the accommodating cavity and is arranged on the plate body provided with the opening, and comprises first limiting parts positioned at the upper end and the lower end of the accommodating cavity and matching parts extending out of the opening; the handle assembly is arranged outside the accommodating cavity and is fixedly connected with the handle fixing block through the matching part; wherein, hold the spacing portion of at least one second on the inner wall in chamber admittedly, in the atress rotation process of handle subassembly, through the cooperation restriction handle subassembly's rotation space between the spacing portion of first on the handle fixed block and the spacing portion of second on the inner wall.

In this technical scheme, connect lock panel and handle through setting up the handle fixed block in lock structure, be convenient for when lock structure breaks down and need change the part, only change the part that breaks down, but not change whole lock structure, can reduce cost of maintenance like this, promote maintenance efficiency, simultaneously, the handle fixed block that sets up alone can also carry out the adjustment on structure or the material to the handle fixed block alone, promote its intensity, and then guarantee the intensity of connection.

It can be understood that, as the connecting piece between handle and the panel, the handle fixed block is the key motion part in the three, for other parts, fatigue damage more easily, this technical scheme sets up the handle fixed block to independent structure, be favorable to setting up the appearance structure of handle fixed block alone, and select for use the material preparation of intensity higher, in order to promote the intensity of handle fixed block, avoid the damage of this key motion part, lengthen its life, simultaneously, panel components and handle components can adopt the material that intensity is lower relatively, in order to reduce cost, promote the holistic market competition of product.

Specifically, an accommodating cavity with an opening at one side is formed in the panel assembly of the door lock structure, so that the handle fixing block is convenient to accommodate, the handle fixing block is prevented from being exposed, the influence of foreign matters on the handle fixing block is reduced, the service life of the handle fixing block is shortened due to the fact that the handle fixing block breaks down, and the external appearance of the door lock structure can be improved; the handle fixing block is arranged on the plate body provided with the opening, so that the handle fixing block is conveniently connected with the handle assembly through the opening; the cooperation portion of handle fixed block stretches out the opening, namely the cooperation portion of handle fixed block is outside the opening, make handle subassembly and cooperation portion carry out fixed connection in the outside of panel component, thereby the handle subassembly is in static and motion in-process, both can avoid the panel component and rather than direct contact with it, reduce the friction between handle subassembly and the panel component, prolong the life of handle subassembly, simultaneously, the handle subassembly is not contacted with the panel component, make it suspend outside the panel component, such structure is totally different with the lock structure among the prior art, and have stronger impression, can promote the competitiveness of product, in addition, such structure is favorable to carrying out more nimble design to the product, promote the richness and the innovativeness of product line; the handle fixed block comprises first limiting parts positioned at the upper end and the lower end of the accommodating cavity, and at least one second limiting part is fixedly arranged on the inner wall of the accommodating cavity, so that in the process of stressed rotation of the handle component, the rotation space of the handle component is limited through the cooperation between the first limiting parts on the handle fixed block and the second limiting parts on the inner wall, namely, when the first limiting parts are propped against each second limiting part, the position where the handle component is positioned is a limiting position, preferably, the number of the second limiting parts is two, and therefore, the number of the limiting positions is two, the handle component can only move between the two limiting positions, so that the handle can rotate and limit in the process of realizing push-pull travel by following the handle fixed block through limiting the handle, and then the door body is driven to open or close, the convenience of product use is improved, and the push-pull travel can not be realized by avoiding unrestricted rotation of the handle.

In the above technical solution, the panel assembly specifically includes: a front panel; and the rear panel is detachably connected with the front panel, wherein the front panel and the rear panel are buckled to form a containing cavity, and the opening is arranged on the front panel.

In the technical scheme, the panel assembly comprises the front panel and the rear panel detachably connected with the front panel, and the structure is convenient for installing the parts such as the handle fixing block, thereby improving the convenience and the installation efficiency of the door lock structure; the opening is arranged on the front panel, so that the handle fixing block is connected with the handle assembly through the opening.

In the above technical scheme, the handle fixed block specifically includes: the left side and the right side of the shell are respectively provided with a convex spring clamping position; the torsional spring fixing block is arranged on the left side and the right side of the shell and is clamped on the shell, the torsional spring fixing block is provided with a positioning column and a guide column, the torsional spring is sleeved on the positioning column, and the tail ends of the torsional springs are respectively arranged on the two sides of the spring clamping position.

In the technical scheme, the torsional spring is sleeved on the positioning column, so that the quick installation is facilitated, and the torsional spring is reliably fixed on the torsional spring fixing block by matching with connecting pieces such as screws, gaskets and the like; meanwhile, through the arrangement of the guide post, the tail end of the torsion spring is convenient to accurately clamp the two sides of the spring clamping position of the handle fixing block, the torsion spring is prevented from rotating in the process of being stressed to form a hand feeling force, the hand feeling of the handle and the handle fixing block in the rotating process of a push-pull stroke can be increased, and the convenience of use is improved; the structure is also beneficial to the continuous resetting of the handle by utilizing the elasticity of the torsion spring after the handle rotates.

In the above technical scheme, the cooperation portion has the arcwall face, and the front side of casing is located to the cooperation portion, is equipped with a plurality of through-holes that link to each other with the handle subassembly on the arcwall face, and door lock structure still includes: the rotating shaft is arranged in the shaft hole of the handle fixing block, wherein the shaft hole penetrates through the left end face and the right end face of the handle fixing block.

In the technical scheme, the matching part is provided with the arc-shaped surface, so that the handle fixing block is beneficial to outwards protruding to be connected with the handle assembly, the arc-shaped surface can also enable all parts of the handle fixing block to be stressed uniformly, the strength of the handle fixing block is improved, in addition, the protruding arc-shaped matching part can also improve the overall impression of the door lock structure, the suspension impression of the handle is improved, and better experience is brought to a user; the matching part is arranged on the front side of the shell, and a plurality of through holes connected with the handle assembly are formed in the arc-shaped surface, so that the assembly of the handle and the handle fixing block is facilitated; the rotating shaft is arranged in the shaft hole of the handle fixing block, so that the handle fixing block can conveniently rotate around the rotating shaft under the drive of the handle, and meanwhile, the rotating direction of the handle assembly can be observed more intuitively due to the fact that the arc-shaped surface is matched with the rotating shaft, and the assembly is facilitated.

In the above technical scheme, the rotating shaft specifically includes: a shaft body; and the fixing part is arranged at two ends of the shaft body, a through hole matched with the front panel is formed in the fixing part, so that the fixed connection between the rotating shaft and the front panel is realized after the connecting piece passes through the through hole, and a sealing ring is sleeved on the part, connected with the fixing part, of the shaft body.

In the technical scheme, the fixing parts are arranged at the two ends of the shaft body, so that the rotating shaft is conveniently limited in the shaft hole, and the rotating shaft is prevented from falling off from the shaft hole; the sealing ring is sleeved on the part, connected with the fixing part, of the shaft body, so that the shaft hole is convenient to seal, lubricating substances are prevented from flowing out, foreign matters, dust and the like can be blocked for the shaft body, smoothness of the handle fixing block during rotation around the rotating shaft is maintained, and blockage is reduced.

In the technical scheme, the shell is semi-cylindrical, the side surface of the semi-cylinder is an arc-shaped surface, and two ends of the arc-shaped surface respectively extend outwards along the radial direction to form the first limiting part.

In this technical scheme, set up the casing into semicylindrical, the side of semicylindrical is the arcwall face, and the both ends of arcwall face are along radial outside extension respectively forming first spacing portion, and such simple structure is convenient for produce, and this kind of cylindric casing intensity is high, and torsional properties is good, is favorable to prolonging the life of handle fixed block.

In the above technical solution, the housing further includes: the assembly step is arranged on the arc-shaped surface; the door lock structure further comprises at least one connecting hole and a connecting column hole which is arranged corresponding to the connecting hole, wherein one of the connecting hole and the connecting column hole is arranged on the assembly step, and the other one of the connecting hole and the connecting column hole is arranged on the handle assembly, so that the handle assembly and the handle fixing block are connected through the connecting piece.

In this technical scheme, set up the assembly step on the arcwall face, correspond in connecting hole and the spliced pole hole that set up, on the assembly step is located to one, on the handle subassembly is located to another, be favorable to realizing the handle subassembly and the connection of handle fixed block, and such connection structure is simple, simple to operate, stability is good, the radial atress of connecting piece is little, be favorable to the life of extension connecting piece, and then the life of extension lock structure reduces the fault rate, after the trouble takes place, convenient to detach maintenance.

Preferably, the corresponding arrangement of the connecting hole and the connecting column hole comprises that the connecting hole and the connecting column hole are corresponding, and the axes of the connecting hole and the connecting column hole are collinear, so that the connecting piece can smoothly penetrate through the connecting hole and the connecting column hole, and the connection between the handle fixing block and the handle assembly is realized; the axes of the two can be vertical to the tangent plane of the arc-shaped surface of the shell, or not; in addition, the connecting hole is symmetrical, and the axis of connecting hole is eight characters symmetry, and during the assembly like this, on the one hand the connecting hole is from taking the guide effect when being connected with the spliced pole hole, and on the other hand connecting piece is also more convenient through connecting hole and spliced pole hole male connection.

In the above technical scheme, the quantity of connecting hole is a plurality of, and a plurality of connecting holes are arranged about the middling plane symmetry of crossing the casing axis.

In this technical scheme, the quantity of connecting hole is a plurality of, and a plurality of connecting holes are about the well vertical symmetry setting of crossing the casing axis, and each position and each connecting piece atress of this structure messenger handle fixed block are even, are favorable to improving the stability and the reliability of handle fixed block, avoid the emergence of trouble.

In any of the above technical solutions, the door lock structure further includes: the lower decorative plate is arranged at the opening; the handle assembly specifically includes: a handle main body, wherein a cover opening is arranged on one side of the handle main body, which is close to the front panel; the handle cover is arranged on the cover opening and buckled with the handle main body.

In the technical scheme, the lower decorative plate is arranged at the opening, so that the opening is conveniently closed, the door lock structure fault caused by the fact that foreign matters enter the accommodating cavity is avoided, and the appearance of the door lock structure is improved; the cover opening is arranged on one side of the handle main body, which is close to the front panel, so that the handle is convenient to produce and install, and the production efficiency is improved; the handle cover is arranged on the cover opening to be buckled with the handle main body, so that the cover opening is conveniently closed, and the comfort level and the external appearance of the handle main body when the handle is held are improved.

In any of the above technical solutions, the door lock structure further includes: the touch panel is arranged on the front panel and is not overlapped with the handle assembly in the vertical direction.

In the technical scheme, the touch panel is arranged on the front panel, so that the door lock can be controlled conveniently; the touch panel is not overlapped with the handle component in the vertical direction, so that interference with the handle component during operation of the touch panel can be avoided, and the handle component can be prevented from blocking the line of sight, so that the operation of the touch panel is prevented, and the convenience and the comfort of the door lock structure in use are improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic perspective exploded view of a door lock structure according to an embodiment of the present invention;

fig. 2 is a schematic front view of a door lock structure according to an embodiment of the present invention;

FIG. 3 is a schematic rear view of the structure of FIG. 2;

FIG. 4 is a schematic view of the bottom structure of FIG. 2;

FIG. 5 is a schematic top view of the structure of FIG. 2;

FIG. 6 is a schematic view of the A-A structure of FIG. 2;

FIG. 7 is a schematic view of a partially enlarged structure at B of FIG. 6;

FIG. 8 is a schematic side elevational view of FIG. 2;

fig. 9 is a schematic rear view of a door lock structure according to an embodiment of the present invention;

fig. 10 is a schematic rear view of a door lock structure according to an embodiment of the present invention;

FIG. 11 is a schematic view of a partially enlarged structure at C of FIG. 10;

FIG. 12 is a schematic perspective view of a handle fixing block according to one embodiment of the present invention;

FIG. 13 is a schematic perspective view of a handle fixing block according to an embodiment of the present invention;

FIG. 14 is a schematic front view of the torsion spring mounting block in accordance with one embodiment of the present invention;

FIG. 15 is a schematic view of the bottom structure of FIG. 14;

FIG. 16 is a right side elevational schematic view of FIG. 14;

FIG. 17 is a left side schematic view of FIG. 14;

FIG. 18 is a schematic front view of a handle attachment block according to one embodiment of the invention;

FIG. 19 is a schematic view of the bottom structure of FIG. 18;

FIG. 20 is a left side schematic view of FIG. 18;

FIG. 21 is a schematic structural view of a handle assembly according to one embodiment of the present invention;

FIG. 22 is a schematic side elevational view of FIG. 21;

FIG. 23 is an isometric view of a door lock structure according to one embodiment of the invention;

FIG. 24 is an isometric view of a door lock structure according to one embodiment of the invention;

fig. 25 is a partially enlarged structural schematic diagram at D of fig. 24.

The correspondence between the reference numerals and the component names in fig. 1 to 25 is:

the handle fixing block 10, the first limiting part 100, the shell 104, the spring clamping position 106, the torsion spring fixing block 108, the positioning column 1080, the guide column 1082, the gasket 1084, the torsion spring 110, the assembly step 112, the connecting hole 114, the shaft hole 116, the second limiting part 120, the front panel 122, the front sealing plate 128, the rotating shaft 14, the shaft body 140, the fixing part 142, the sealing ring 144, the lower decorative plate 16, the handle main body 180, the handle cover 182, the handle cover 184, the handle cover fixing plate 186, the handle decorative strip 187, the decorative strip fixing column 188, the second positioning column 20, the touch panel 22, the screw 220 and the sealing gasket 24.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.

Some embodiments according to the present invention are described below with reference to fig. 1 to 25.

As shown in fig. 1 to 25, a door lock structure according to one embodiment of the present invention includes: a panel assembly in which a receiving chamber having one side opened is formed; the handle fixing block 10 is rotatably arranged in the accommodating cavity, the handle fixing block 10 is arranged on a plate body provided with an opening, and the handle fixing block 10 comprises a first limiting part 100 positioned at the upper end and the lower end of the accommodating cavity and a matching part extending out of the opening; the handle assembly is arranged outside the accommodating cavity and is fixedly connected with the handle fixing block 10 through the matching part; wherein, hold the spacing portion 120 of at least one second on the inner wall in chamber admittedly, in the atress rotation in-process of handle subassembly, through the cooperation between the spacing portion 100 of first on the handle fixed block 10 and the spacing portion 120 of second on the inner wall limit the rotation space of handle subassembly.

As shown in fig. 2 to 6, in this embodiment, the door lock front panel 122 and the handle body 180 are connected by setting the handle fixing block 10 in the door lock structure, so that when the door lock structure malfunctions and parts need to be replaced, only the malfunctioning parts are replaced instead of the whole door lock structure, thus the maintenance cost can be reduced, the maintenance efficiency is improved, and meanwhile, the handle fixing block 10 which is separately set can also be separately adjusted in structure or material to improve the strength of the handle fixing block 10, thereby ensuring the connection strength.

It will be appreciated that, as a connecting piece between the handle main body 180 and the front panel 122, the handle fixing block 10 is a key moving part among the three parts, and is easier to be damaged by fatigue, compared with other parts, the embodiment sets the handle fixing block 10 to be an independent structure, is favorable for independently setting the appearance structure of the handle fixing block 10, and is made of a material with higher strength, so as to improve the strength of the handle fixing block 10, avoid the damage of the key moving part, prolong the service life of the key moving part, and simultaneously, the panel assembly and the handle assembly can adopt materials with relatively lower strength, so that the cost is reduced, and the overall market competitiveness of the product is improved.

Specifically, an accommodating cavity with an opening at one side is formed in the panel assembly of the door lock structure, so that the handle fixing block 10 is convenient to accommodate, the handle fixing block 10 is prevented from being exposed, the influence of foreign matters on the handle fixing block 10 is reduced, the service life of the handle fixing block 10 is shortened due to the fact that the handle fixing block 10 breaks down, and the external appearance of the door lock structure can be improved; the handle fixing block 10 is arranged on the plate body provided with the opening, so that the handle fixing block 10 is conveniently connected with the handle assembly through the opening; the matching part of the handle fixing block 10 extends out of the opening, namely the matching part of the handle fixing block 10 is arranged outside the opening, so that the handle assembly and the matching part are fixedly connected outside the panel assembly, and the handle assembly can avoid the panel assembly and not directly contact with the panel assembly in the static and moving processes, so that friction between the handle assembly and the panel assembly is reduced, the service life of the handle assembly is prolonged, meanwhile, as shown in fig. 8, the handle assembly is not contacted with the panel assembly, and is suspended outside the panel assembly, the structure is completely different from a door lock structure in the prior art, has stronger impression, can improve the competitiveness of products, and is further beneficial to more flexible design of the products and improvement of richness and innovativeness of product lines; the handle fixed block 10 includes the first spacing portion 100 that is located the upper and lower both ends in holding the intracavity, hold and set firmly at least one second spacing portion 120 on the inner wall in chamber, in this way, in the atress rotation process of handle subassembly, through the cooperation between the first spacing portion 100 on the handle fixed block 10 and the second spacing portion 120 on the inner wall, the rotation space of handle subassembly is restricted, when first spacing portion 100 offsets with every second spacing portion 120 promptly, the position that the handle subassembly is in is extreme position, preferably, the quantity of second spacing portion 120 is two, thereby extreme position's quantity is also two, the handle subassembly can only be favorable to making the handle follow the rotation and the spacing of handle fixed block 10 realization push-pull stroke in-process through the spacing to the handle between above-mentioned two extreme positions, and then drive opening or closing of the door body, the convenience that the product was used, avoid the unrestricted rotation of handle and can't realize push-pull stroke.

As shown in fig. 10, in the above embodiment, the panel assembly specifically includes: a front panel 122; and a rear panel detachably connected to the front panel 122, wherein the front panel 122 and the rear panel form a receiving cavity after being fastened, and the opening is opened on the front panel 122.

In this embodiment, the panel assembly includes the front panel 122 and the rear panel detachably connected to the front panel 122, such a structure facilitates the installation of the parts of the handle fixing block 10 and the like, improving the convenience and the installation efficiency of the door lock structure installation; an opening is provided in the front panel 122 to facilitate connection of the handle attachment block 10 to the handle assembly through the opening.

As shown in fig. 7, 11, 12, 14, and 18, in the above embodiment, the handle fixing block 10 specifically includes: the shell 104, the left and right sides of the shell 104 are provided with protruding spring clamping positions 106 respectively; the torsion spring fixed block 108 is arranged on the left side and the right side of the shell 104, and the torsion spring fixed block 108 is clamped on the shell 104, as shown in fig. 15, 16 and 17, a positioning column 1080 and a guide column 1082 are arranged on the torsion spring fixed block 108, wherein the torsion spring 110 is sleeved on the positioning column 1080, and the tail ends of the torsion spring 110 are respectively arranged on the two sides of the spring clamping position 106.

In this embodiment, by sleeving the torsion spring 110 on the positioning post 1080, this facilitates quick installation and also facilitates reliable fixing of the torsion spring 110 to the torsion spring fixing block 108 in cooperation with the screw 22, the washer 1084, etc.; meanwhile, through the arrangement of the guide post 1082, the tail end of the torsion spring 110 is convenient to accurately clamp the two sides of the spring clamping position 106 of the handle fixing block 10, the torsion spring 110 is prevented from rotating in the process of being stressed to form a hand feeling force, the hand feeling of the handle and the handle fixing block 10 in the rotating process of a push-pull stroke can be increased, and the convenience of use is improved; such a structure is also advantageous in that the handle is continuously returned by the elastic force of the torsion spring 110 after being rotated.

As can be appreciated, to facilitate the end of the torsion spring 110 to be clamped on both sides of the spring clamping position 106 to prevent rotation, the side surface of the spring clamping position 106 is configured to be a plane so as to better clamp the end of the torsion spring 110; a chamfer is provided on the guide post 1082 toward the positioning post 1080 to facilitate guiding during assembly of the torsion spring mounting block 108.

In the above embodiment, as shown in fig. 13 and 20, the mating portion has an arcuate surface, and the mating portion is disposed on the front side of the housing 104, and a plurality of through holes connected to the handle assembly are disposed on the arcuate surface, and the plurality of through holes serve as the connecting holes 114; the door lock structure further includes: the rotating shaft 14 is arranged in a shaft hole 116 of the handle fixing block 10, wherein the shaft hole 116 penetrates through the left end face and the right end face of the handle fixing block 10.

In this embodiment, the matching portion has an arc surface, which is favorable for the connection of the handle fixing block 10 with the handle assembly by protruding outwards, and the arc surface can also enable each part of the handle fixing block 10 to be stressed uniformly, so that the strength of the handle fixing block 10 is improved, in addition, the protruding arc matching portion can also improve the overall appearance of the door lock structure, so as to improve the suspension feeling of the handle, and bring better experience to users; the matching part is arranged on the front side of the shell 104, and a plurality of through holes or connecting holes 114 connected with the handle assembly are arranged on the arc-shaped surface, so that the assembly of the handle and the handle fixing block 10 is facilitated; the rotating shaft 14 is arranged in the shaft hole 116 of the handle fixing block 10, so that the handle fixing block 10 can conveniently rotate around the rotating shaft 14 under the drive of a handle, and meanwhile, the rotating direction of a handle assembly can be more intuitively observed through the matching of the design of the arc-shaped surface and the rotating shaft 14, so that the assembly is facilitated.

As shown in fig. 1, in the above embodiment, the rotating shaft 14 specifically includes: a shaft body 140; and fixing parts 142 disposed at two ends of the shaft body 140, wherein the fixing parts 142 are provided with through holes matched with the front panel 122 to realize the fixed connection between the rotating shaft 14 and the front panel 122 after the connecting piece passes through the through holes, and sealing rings 144 are sleeved on the connecting parts of the shaft body 140 and the fixing parts 142.

In this embodiment, fixing portions 142 are provided at both ends of the shaft body 140, so that the rotating shaft 14 is conveniently limited in the shaft hole 116, and the rotating shaft 14 is prevented from falling out of the shaft hole 116; the sealing ring 144 is sleeved on the connecting part of the shaft body 140 and the fixing part 142, so that the shaft hole 116 is conveniently sealed, substances in the lubricating layer are prevented from flowing out, foreign matters, dust and the like can be blocked for the shaft body 140, smoothness of the handle fixing block 10 when rotating around the rotating shaft 14 is maintained, and blockage is reduced.

Optionally, a lubrication layer is provided in the shaft hole 116 to promote smoothness of rotation of the shaft body 140 in the shaft hole 116, the lubrication layer including any one of a grease, graphite, and a lubricant.

As shown in fig. 19 and 20, in the above embodiment, the housing 104 is in a semi-cylindrical shape, the side surface of the semi-cylinder is an arc surface, and two ends of the arc surface respectively extend outwards along the radial direction to form the first limiting portion 100.

In this embodiment, the housing 104 is configured as a semi-cylinder, the side surface of the semi-cylinder is an arc surface, and two ends of the arc surface respectively extend radially outwards to form the first limiting portion 100, so that the structure is simple, the production is convenient, and the cylindrical housing 104 has high strength and good torsion resistance, which is beneficial to prolonging the service life of the handle fixing block 10.

Alternatively, the first limiting portion 100 has a U-shape or V-shape or other shape.

As shown in fig. 12, 13 and 20, in the above embodiment, the housing 104 further includes: an assembly step 112 provided on the arcuate surface; the door lock structure further comprises at least one connecting hole 114 and a connecting post hole corresponding to the connecting hole 114, wherein one of the connecting hole 114 and the connecting post hole is arranged on the assembly step 112, and the other is arranged on the handle assembly, so that the handle assembly is connected with the handle fixing block 10 through the connecting piece.

In this embodiment, set up the assembly step 112 on the arcwall face, in the connecting hole 114 and the spliced pole hole that correspond the setting, on assembly step 112 is located to one, and the handle subassembly is located to another, is favorable to realizing the handle subassembly and is connected with handle fixed block 10, and such connection structure is simple, simple to operate, and stability is good, and the radial atress of connecting piece is little, is favorable to prolonging the life of connecting piece, and then prolongs the life of lock structure, reduces the fault rate, after the trouble takes place, convenient to detach maintenance.

Preferably, the corresponding arrangement of the connecting hole 114 and the connecting post hole comprises that the connecting hole 114 and the connecting post hole are corresponding, and the axes of the connecting hole 114 and the connecting post hole are collinear, so that the connecting piece can smoothly penetrate through the connecting hole 114 and the connecting post hole to realize the connection between the handle fixing block 10 and the handle assembly; the axes of the two can be perpendicular to the tangent plane of the arc-shaped surface of the shell 104 or not; in addition, the connecting hole 114 is symmetrical, and the axis of the connecting hole 114 is splayed symmetrical, so that when the connecting device is assembled, on one hand, the connecting hole 114 is provided with a guiding function when being connected with the connecting column hole, and on the other hand, the connecting piece is more convenient to be inserted into the connecting hole 114 through the connecting column hole.

As shown in fig. 13, in the above embodiment, the number of the connection holes 114 is plural, and the plural connection holes 114 are symmetrically arranged about the midplane passing through the axis of the housing 104.

In this embodiment, the number of the connecting holes 114 is plural, and the plurality of connecting holes 114 are symmetrically arranged about the central vertical plane passing through the axis of the housing 104, so that the stress on each part of the handle fixing block 10 and each connecting piece is uniform, which is beneficial to improving the stability and reliability of the handle fixing block 10 and avoiding the occurrence of faults.

As shown in fig. 21, 22, 23, 24 and 25, in any of the above embodiments, the door lock structure further includes: a lower decorative plate 16 provided at the opening; the handle assembly specifically includes: a handle main body 180, wherein a cover opening is arranged on one side of the handle main body 180, which is close to the front panel 122; the handle cover 182 is disposed on the cover opening, and the handle cover 182 is engaged with the handle body 180.

In the embodiment, the lower decorative plate 16 is arranged at the opening, so that the opening is conveniently closed, the door lock structure fault caused by the foreign matters entering the accommodating cavity is avoided, and the appearance of the door lock structure is improved; the cover opening is arranged on one side of the handle main body 180, which is close to the front panel 122, so that the structure is convenient for the production and the installation of the handle, and the production efficiency is improved; the handle cover 182 is disposed on the cover opening to be fastened with the handle body 180, so as to be convenient for closing the cover opening, and improve the comfort level and the external appearance of the handle body 180 when holding the handle.

As shown in fig. 6 and 7, optionally, a handle cover fixing plate 184 is further disposed in the handle body 180, the handle cover fixing plate 184 is fixed to the handle body 180 by a screw 22, and the handle cover 182 is fixed to the handle cover fixing plate 184 by a fastening position; the front of the handle main body 180 is also provided with the handle decoration strip 186, the handle decoration strip 186 is fixed on the handle through the screw 22 and the decoration strip fixing column 187, so that the external appearance of the handle is improved, the handle main body 180, the handle cover 182, the handle cover fixing plate 184 and the handle decoration strip 186 are assembled into a whole, and meanwhile, the handle is a handle assembly, the original integrated handle is split into a plurality of parts according to different functions of each part of the handle assembly, when the parts fail, the parts are convenient to purposefully maintain or replace, the whole is not required to be replaced, the maintenance cost is greatly reduced, and each part can select different materials according to the self function requirement, so that more refined purposeful product design is carried out, the reliability and external appearance of the product are improved, the service life is prolonged, and the appearance is provided with more choices and the cost is reduced.

As shown in fig. 2, in any one of the above embodiments, the door lock structure further includes: the touch panel 20 is disposed on the front panel 122, and the touch panel 20 is not overlapped with the handle assembly in the vertical direction.

In this embodiment, the touch panel 20 is disposed on the front panel 122 to facilitate control of the door lock; the touch panel 20 is not overlapped with the handle assembly in the vertical direction, so that interference with the handle assembly during operation of the touch panel 20 can be avoided, and the handle assembly can be prevented from blocking the line of sight, so that the operation of the touch panel 20 is prevented, and the convenience and the comfort of the door lock structure are improved.

It should be understood that the connection assembly structure of the handle body 180, the handle decorative strip 186, the handle cover 182, the handle cover fixing plate 184, the handle lower decorative plate 16, the door lock front panel 122, the handle fixing block 10, the rotating shaft 14, the torsion spring fixing block 108, and the torsion spring 110 is an embodiment of the present invention, and the disassembly and combination of part of the components may be performed according to the design requirement.

As shown in fig. 1, in the door lock structure according to an embodiment of the present invention, the door lock structure includes the front panel 122 of the door lock, the handle main body 180, the handle decorative strip 186, the handle cover 182, the handle cover fixing plate 184, the lower decorative plate 16, the handle fixing block 10, the rotating shaft 14, the seal ring 144, the torsion spring fixing block 108, the torsion spring 110, the spacer 1084, the fixing screw 22, and the like, and the internal structures of the parts thereof. As shown in fig. 6 and 7, the assembly process is as follows: the handle cover 182 is designed on the back of the handle body 180, the handle cover fixing plate 184 is designed inside the handle, the handle cover fixing plate 184 is fixed on the handle body 180 through the screw 22, and the handle cover 182 is fixed on the handle cover fixing plate 184 through the buckling position. The front side of the handle is also provided with a handle decorative strip 186, and the handle decorative strip 186 is fixed on the handle main body 180 through a screw 22. Thus, the handle body 180, the handle cover 182, the handle cover fixing plate 184, and the handle decorative strip 186 are assembled as a unit, which is a handle assembly. The lower decorative panel 16 is secured to the front panel 122 of the door lock by four screws 22. The above is the exterior assembly of the front panel 122 of the door lock. The rotary shaft 14 is designed in a cylindrical shape, two sealing rings 144 are sleeved on the left and right sides, then the rotary shaft 14 is inserted into the shaft hole 116 of the handle fixing block 10, the two sealing rings are assembled into the accommodating cavity inside the front panel 122 of the door lock together as a component, and the two sealing rings are fixed into the accommodating cavity of the front panel 122 through two screw holes on the two sides of the rotary shaft 14 by screws 22. As shown in fig. 10, 11, 18, 19 and 20, the left and right torsion spring fixing blocks 108 are then installed, the torsion spring fixing blocks 108 are fixed to the front panel 122 by two screws 22, the torsion springs 110 are sleeved on the positioning posts 1080 in the middle of the torsion spring fixing blocks 108, the two ends of the torsion springs 110 are clamped on the guide posts 1082 of the torsion spring fixing blocks 108 to prevent the torsion springs 110 from rotating, and the torsion springs 110 are fixed to the torsion spring fixing blocks 108 by the screws 22 and the gaskets 1084. The above is the internal assembly of the front panel 122 of the door lock. The handle assembly is then securely fastened to the handle attachment block 10 by two screws 22. Finally, the front sealing plate 128 and the sealing gasket 24 are covered again, and the assembly is completed.

According to the door lock structure provided by the invention, the handle fixing block 10 is arranged on the inner side of the front panel 122, and the handle fixing block 10 is designed with a hemispherical structure, so that the rotation in the push-pull stroke process of the handle can be realized. The upper part and the lower part of the hemispherical structure of the handle fixing block 10 are respectively designed with a first protruding limiting part 100, the front panel 122 is designed with a second limiting part 120 at a corresponding position, and when the handle fixing block 10 rotates to the maximum angle of the upper and lower strokes, the protruding parts can be propped against the second limiting part 120 of the front panel 122, so that the rotation limit of the handle fixing block 10 is realized. The hemispherical structure of the handle fixing block 10 is designed with four connecting holes 114 which are cross-shaped and respectively serve as two second positioning column holes and two screw column holes, as shown in fig. 21, two second positioning columns 188 and two screw columns 220 are designed at corresponding positions of the handle main body 180, the two second positioning columns 188 of the handle main body 180 are inserted into the two second positioning column holes of the handle fixing block 10, so that installation and positioning are realized, the two screw columns 220 of the handle main body 180 are inserted into the two screw column holes of the handle fixing block 10, installation and positioning and assembly fixing are realized, and the handle main body 180 and the handle fixing block 10 are reliably fixed together through the two screws 22. The handle fixing block 10 is hidden and designed inside the door lock front panel 122, only the top of the hemispherical structure is exposed, and the handle main body 180 is installed and fixed on the handle fixing block 10, so that the handle main body 180 is completely separated from the door lock front panel 122, and the handle main body 180 is suspended outside the door lock front panel 122 at a distance; the handle body 180 follows the handle fixing block 10 to realize rotation and limitation during the push-pull stroke. The handle body 180 is always independent of the door lock front panel 122 during rotation, and is not in contact with the door lock front panel 122, being spaced apart by a distance.

A lower decorative plate 16 is further arranged between the handle main body 180 and the handle fixing block 10, the lower decorative plate 16 is designed into an annular structure, the periphery covers the handle fixing block 10, and only the top of the hemispherical structure is exposed, so that the handle main body 180 and the handle fixing block 10 are connected and fixed. As shown in fig. 1, four screw posts 220 are provided on the lower decorative plate 16, inserted into four screw post holes of the door lock front panel 122, and the lower decorative plate 16 is securely fixed to the door lock front panel 122 by four screws 22. The handle fixing block 10 is shielded inside the door lock front panel 122 by the lower decorative plate 16, and the lower decorative plate 16 is exposed on the door lock front panel 122, thereby playing a role in decoration and beauty.

The handle fixing block 10 is provided with a shaft hole 116, and the rotating shaft 14 is inserted into the shaft hole 116. The rotation shaft 14 fixes the handle fixing block 10 and forms an axis when the handle fixing block 10 rotates. The rotating shaft 14 is coated with lubricating grease, so that the handle fixing block 10 can flexibly and smoothly rotate around the rotating shaft 14. Two sealing rings 144 are designed on the left side and the right side of the rotating shaft 14, and the sealing rings 144 are matched with the left end and the right end of the shaft hole 116 of the handle fixing block 10 to seal so as to prevent the lubricating grease from flowing out. Screw holes are designed at the left and right ends of the rotary shaft 14, and the fixing screws 22 pass through the screw holes to fix the rotary shaft 14 reliably inside the door lock front panel 122. The left and right sides of the handle fixing block 10 are provided with torsion spring fixing blocks 108, the center of the torsion spring fixing block 108 is provided with a positioning column 1080, the torsion spring 110 is sleeved on the positioning column 1080 of the torsion spring fixing block 108, and the torsion spring 110 is reliably fixed on the torsion spring fixing block 108 by a gasket 1084 and a screw 22. Screw through holes (i.e., connecting holes 114) are designed at the upper and lower ends of the torsion spring fixing block 108, and screws 22 penetrate through the through holes to reliably fix the torsion spring fixing block 108 inside the door lock front panel 122. The spring clamping positions 106 of the handle fixing block 10 are clamped at the tail ends of the left torsion spring 110 and the right torsion spring 110, so that the hand feeling of the handle main body 180 and the handle fixing block 10 in the rotating process of the push-pull stroke can be increased. The guide post 1082 is designed on the torsion spring fixing block 108, and the upper and lower sides of the guide post 1082 just block the two ends of the torsion spring 110, so that the torsion spring 110 can be prevented from rotating in the process of being stressed, and a hand feeling force is formed. The handle body 180 and the handle fixing block 10 impart a hand feeling force through the torsion spring 110 during rotation of the push-pull stroke.

The invention innovates on the conventional push-pull door lock handle structure, provides a novel door lock structure, designs a brand new handle structure, performs product differentiation design, gets rid of industry homogenization competition, and improves product competitiveness. Meanwhile, the suspended handle structure is more beneficial to innovative design and serialization extension of products, and the appearance grade of the products is improved. In addition, the suspended handle structure structurally strengthens key moving parts such as the handle main body 180, the handle fixing block 10 and the spring fixing block, and can be made of materials with higher strength, so that the door lock has higher push-pull strength and torsional strength, and the reliability and the service life of the product are improved. In the suspended handle structure, the handle fixing block 10 is hidden and designed inside the front door lock panel 122, the handle main body 180 is completely separated from the front door lock panel 122, and the handle is suspended outside the front door lock panel 122; the handle follows the handle fixing block 10 to realize rotation and limit in the push-pull stroke process. The handle is independent of the door lock front panel 122 all the time in the rotating process, and the door lock front panel 122 is not contacted, and is separated by a distance, so that the novel structure enables a product to have better appearance and product use experience. The lower decorative plate 16 of the handle shields the handle fixing block 10 inside the door lock front panel 122, the lower decorative plate 16 is exposed on the door lock front panel 122, the effect of decoration and beauty is achieved, and the product has better appearance.

The handle main part is installed and is fixed on the handle fixed block, the torsion spring fixed block is installed and is fixed in the accommodating cavity of the door lock front panel, the handle main part and the handle fixed block are separately designed, the torsion spring fixed block and the door lock front panel are separately designed, the key moving parts are locally reinforced and designed according to the actual use requirement, or different materials such as the handle main part are adopted according to the strength and the service performance requirement, the door lock front panel can be made of aluminum alloy, the torsion spring fixed block and the handle fixed block can be made of zinc alloy or titanium alloy with higher strength, and the decorative lower decorative plate can be made of plastic materials, so that the appearance has more choices and the cost is reduced. As above, the method is beneficial to optimizing the product design in a targeted way, improving the product reliability, prolonging the service life, controlling the cost and improving the market competitiveness of the product.

In addition, the design of splitting the parts is beneficial to market maintenance, and the damaged parts (small parts) are maintained or replaced in a targeted manner, so that the whole replacement (large parts) is not needed, and the maintenance cost is greatly reduced.

In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A door lock structure, comprising:

a panel assembly having a receiving chamber formed therein with one side opened;

the handle fixing block is rotatably arranged in the accommodating cavity and arranged on the plate body provided with the opening, and comprises first limiting parts positioned at the upper end and the lower end in the accommodating cavity and a matching part extending out of the opening;

the handle assembly is arranged outside the accommodating cavity and fixedly connected with the handle fixing block through the matching part, and the handle assembly is suspended outside the panel assembly;

at least one second limiting part is fixedly arranged on the inner wall of the accommodating cavity, and the rotation space of the handle assembly is limited through the cooperation between the first limiting part on the handle fixing block and the second limiting part on the inner wall in the process of stressed rotation of the handle assembly;

the handle fixed block specifically includes:

the left side and the right side of the shell are respectively provided with a convex spring clamping position;

the torsional spring fixing blocks are arranged on the left side and the right side of the shell and are clamped on the shell, the torsional spring fixing blocks are provided with positioning columns and guide columns,

the torsion springs are sleeved on the positioning columns, and the tail ends of the torsion springs are respectively arranged on two sides of the spring clamping positions.

2. The door lock structure according to claim 1, wherein the panel assembly specifically includes:

a front panel; and a rear panel detachably connected to the front panel,

the front panel and the rear panel are buckled to form the accommodating cavity, and the opening is formed in the front panel.

3. The door lock structure according to claim 2, wherein the fitting portion has an arcuate surface, and the fitting portion is provided on a front side of the housing, the arcuate surface being provided with a plurality of through holes connected to the handle assembly, the door lock structure further comprising:

the rotating shaft is arranged in the shaft hole of the handle fixing block,

the shaft hole penetrates through the left end face and the right end face of the handle fixing block.

4. The door lock structure according to claim 3, wherein the rotation shaft specifically includes:

a shaft body; and

the fixing part is arranged at two ends of the shaft body, a through hole matched with the front panel is arranged on the fixing part, so that the fixing connection between the rotating shaft and the front panel is realized after the connecting piece passes through the through hole,

wherein, the part of the shaft body connected with the fixing part is sleeved with a sealing ring.

5. The door lock structure according to claim 3, wherein the housing is in a semi-cylindrical shape, the side surface of the semi-cylindrical shape is the arc surface, and two ends of the arc surface respectively extend radially outwards to form the first limiting portion.

6. The door lock structure according to claim 5, wherein the housing further comprises:

the assembly step is arranged on the arc-shaped surface;

the door lock structure also comprises at least one connecting hole and a connecting column hole which is arranged corresponding to the connecting hole,

one of the connecting holes and the connecting column holes is arranged on the assembling step, and the other is arranged on the handle assembly, so that the handle assembly is connected with the handle fixing block through the connecting piece.

7. The door lock structure according to claim 6, wherein the number of the connection holes is plural, and a plurality of the connection holes are symmetrically arranged with respect to a midplane passing through the housing axis.

8. The door lock structure according to any one of claims 2 to 7, further comprising:

the lower decorative plate is arranged at the opening;

the handle assembly specifically includes:

a handle main body, wherein a cover opening is arranged on one side of the handle main body, which is close to the front panel;

the handle cover is arranged on the cover opening and buckled with the handle main body.

9. The door lock structure according to any one of claims 2 to 7, further comprising:

the touch panel is arranged on the front panel, and the touch panel is not overlapped with the handle assembly in the vertical direction.