CN211572993U - Door lock convenient to reverse - Google Patents

Abstract

The utility model discloses a door lock convenient for reversing, which comprises a lock body, a front panel matched with the lock body and a rear panel, wherein the rear panel is positioned at the inner side of the door, the bottom of the lock body is provided with a safety lock tongue, the rear panel is provided with a safety knob corresponding to the safety lock tongue, the safety knob is connected with a safety rotating shaft, the end part of the safety rotating shaft is connected with a lock tongue square rod, and the safety lock tongue is driven to open and close by the lock tongue square rod, the panel shells of the front panel and the rear panel are sleeved with a handle rotating shaft, the outer end of the handle rotating shaft is connected with a door handle, the safety rotating shaft is provided with an elastic locking mechanism for limiting the rotation of; during the panel chamber in the panel shell was stretched into to the handle pivot other end, the cover was equipped with the cam in the panel chamber in the handle pivot, the utility model provides a door lock of convenient switching-over, the structure sets up ingenious and arranges rationally, the utility model discloses can realize preventing the unexpected function of locking of children when conveniently switching-over.

Description

Door lock convenient to reverse

Technical Field

The utility model relates to a lock technical field specifically is a lock of convenient switching-over.

Background

Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door; the door lock is different from the application due to the locking technology, and comprises the following types: the foldable spherical door lock has spherical handle, simple production process and low cost. The door lock is applied to a plurality of fields in China, and is generally used for indoor door locks due to poor safety. The product is mainly made of iron, stainless steel and copper, the iron is used for the inner structure of the product, the shell is made of multipurpose stainless steel, and the lock cylinder is made of multipurpose copper folding three-rod type handle lock

The handle of the finger door lock is a door handle, the manufacturing process is relatively simple, and the manufacturing cost is low. The lock is very widely applied in China, is generally used for indoor door locks due to poor safety, and is mainly made of iron, stainless steel, copper and zinc alloy, wherein the iron is used for the inner structure of the product, the shell is made of stainless steel, the lock cylinder is made of copper, the lock handle is made of zinc alloy, and the folding mortise handle lock is divided into split locks and conjoined locks, has more products, is made of zinc alloy, stainless steel and copper, has good safety and is commonly used for doors of entrances and rooms; office buildings are more commonly used; the folding glass door lock has the advantages that glass does not need to be provided with holes, and the safety performance is good;

at present door lock especially domestic lock often need carry out the handle switching-over in the installation, and traditional lock handle switching-over is mostly carried out the installation of commuting again through dismantling the screw, and is very inconvenient, and children trigger the insurance knob easily in addition, and the door is opened or closed to the mistake, does not possess the function that prevents the unexpected locking of children, and for this reason, the inventor synthesizes all kinds of factors and has proposed the lock of a convenient switching-over.

Disclosure of Invention

An object of the utility model is to provide a door lock of convenient switching-over to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a door lock convenient to reverse comprises a lock body, a front panel and a rear panel, wherein the front panel and the rear panel are matched with the lock body, the rear panel is positioned on the inner side of a door, a safety lock tongue is arranged at the bottom of the lock body, a safety knob is arranged on the rear panel corresponding to the safety lock tongue, a safety rotating shaft is connected onto the safety knob, a lock tongue square rod is connected to the end of the safety rotating shaft, the safety lock tongue is driven to open and close through the lock tongue square rod, a handle rotating shaft is sleeved on panel shells of the front panel and the rear panel, a door handle is connected to the outer end of the handle rotating shaft, an elastic locking mechanism for limiting the rotation of the safety;

as a further aspect of the present invention: the other end of the handle rotating shaft extends into a panel cavity in the panel shell, a cam is sleeved on the handle rotating shaft in the panel cavity, an elastic limiting mechanism which abuts against the cam and limits the reversing of the cam is arranged on the inner side wall of the panel shell corresponding to the lower side of the handle rotating shaft, and the cam can rotate to drive the handle rotating shaft to reverse around the elastic limiting mechanism.

As a further aspect of the present invention: the elastic limiting mechanism comprises a limiting bin arranged in the panel shell, the limiting bin is detachably fixed on the inner wall of the panel shell below the cam, a limiting sliding plate is sleeved at the top of the limiting bin, a limiting protrusion is arranged at the top of the limiting sliding plate, a limiting spring is fixedly arranged in the limiting bin, a limiting sliding hole is arranged at the top of the limiting bin, the bottom end of the limiting sliding plate penetrates through the limiting sliding hole and is fixedly connected with the limiting spring, and the top end of the limiting protrusion is abutted against the cam; fixing flanges are arranged at four corners of the limiting bin and are fixedly connected with the inner wall of the panel shell through fixing screws; the bottom end of the limiting sliding plate is provided with a sliding protrusion, and the bottom of the sliding protrusion is fixedly connected with the bottom of the limiting bin through limiting springs arranged in bilateral symmetry.

As a further aspect of the present invention: a through groove is formed in the bottom of the limiting bin corresponding to the limiting spring; the panel shell is characterized in that a connecting seat is arranged at the end part of the handle rotating shaft in the panel cavity of the panel shell, and a square groove for connection is formed in the connecting seat.

As a further aspect of the present invention: the elastic locking mechanism comprises a column bin arranged in the rear panel, and the safety rotating shaft extends into the column bin and can freely rotate and stretch in the column bin; the end part of the safety rotating shaft in the column bin is provided with a convex column, and the end part of the convex column is connected with a square rod of the lock tongue; the fixed locking piece that is provided with in the projection outside, post storehouse tip correspond the locking piece and are provided with the locking groove, and the cover is equipped with insurance spring in the post storehouse on the insurance pivot, and insurance spring one end is connected the post storehouse lateral wall, and the projection is connected to the other end, and the locking piece just cooperates in the locking groove during insurance spring free state, locking insurance pivot.

As a further aspect of the present invention: the locking groove is a hexagonal groove, and the locking block is a hexagonal block; the end part of the convex column is detachably and fixedly connected with the square rod of the lock tongue; the end part of the convex column is provided with a fixed seat, a square rod groove is arranged on the fixed seat, and a lock tongue square rod is matched in the square rod groove and fixed through a bolt; the bolt is fibril bolt, and fibril bolt transversely runs through spring bolt square bar and square bar groove, and both ends are crooked to connect the spring bolt square bar lock on the square bar groove.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

the utility model provides a door lock convenient for reversing, which is characterized in that when in work, the door handle is rotated by force, the rotating shaft of the driving handle rotates to drive the cam to bypass the elastic limiting mechanism, thereby realizing the reversing of the door handle, realizing the reversing of the door handle without disassembling the screw, and being greatly convenient for use; the utility model discloses a further concrete design elasticity stop gear includes the spacing storehouse that sets up in the panel shell, and spacing storehouse can be dismantled and fix on the panel shell inner wall below the cam, and spacing slide is equipped with to spacing storehouse top cover, and spacing slide top is provided with spacing protruding, and spacing storehouse internal fixation is provided with spacing spring, and spacing storehouse top is provided with spacing slide opening, and spacing slide opening is passed and with spacing spring fixed connection, spacing protruding top butt cam in the bottom of the slide; the door handle is rotated by force, the handle rotating shaft is driven to rotate to drive the cam to rotate, the cam drives the limiting sliding plate to extrude the limiting spring, and when the cam bypasses the limiting protrusion, the limiting spring is reset to abut against the cam, so that the door handle is reversed; the utility model discloses further the spacing storehouse four corners is provided with fixed flange, and fixed flange passes through set screw and panel shell inner wall fixed connection, easy to assemble and dismantle;

meanwhile, the utility model further arranges an elastic locking mechanism on the safety rotating shaft, the limit of the elastic locking mechanism can be removed by pressing the safety knob, and the safety rotating shaft is rotationally driven to rotate, the end part of the safety rotating shaft is connected with a spring bolt square rod, and the safety spring bolt is driven to open and close through the spring bolt square rod; the door is opened and closed, so that the door can be opened and closed only by pressing and rotating the safety knob from the inner side of the door, and the function of preventing children from being locked accidentally is realized;

the utility model further designs an elastic locking mechanism concretely, which comprises a post bin arranged in the back panel, and the safety rotating shaft extends into the post bin and can freely rotate and stretch in the post bin; the end part of the safety rotating shaft in the column bin is provided with a convex column, and the end part of the convex column is connected with a square rod of the lock tongue; a locking block is fixedly arranged on the outer side of the convex column, a locking groove is formed in the end part of the column bin corresponding to the locking block, a safety spring is sleeved on the safety rotating shaft in the column bin, one end of the safety spring is connected with the side wall of the column bin, the other end of the safety spring is connected with the convex column, and the locking block is just matched in the locking groove when the safety spring is in a free state to lock the safety rotating shaft; pressing insurance knob extrusion insurance pivot, promoting the locking piece and breaking away from the locking groove, and then removing the locking, rotatory insurance knob realizes that the insurance spring bolt opens and close this moment, and simple structure is firm, realizes the function that prevents the unexpected locking of children.

The utility model discloses further the locking groove is the hexagonal groove, the locking piece is hexagonal piece; the end part of the convex column is detachably and fixedly connected with the square rod of the lock tongue; the bolt is characterized in that the bolt square bar and the square bar groove are transversely penetrated through the fibril bolt, the bolt square bar is locked and connected on the square bar groove through bending of two ends, and the bolt square bar is convenient to mount and dismount.

Drawings

Fig. 1 is a schematic structural view of a door lock convenient for reversing.

Fig. 2 is a schematic structural diagram of an elastic limiting mechanism in a door lock convenient for reversing.

Fig. 3 is a sectional view of a limiting bin in a door lock convenient for reversing.

Fig. 4 is a schematic view of a reversing state in a door lock facilitating reversing.

Fig. 5 is an enlarged schematic view of a portion a in fig. 1.

Fig. 6 is a cross-sectional view of a cylinder bin in a door lock that facilitates reversing.

In the figure: 1. a rear panel; 1-1, a front panel; 2. a lock body; 3. a square groove; 4. a handle spindle; 41. a connecting seat; 5. a door handle; 6. a cam; 7. a limiting protrusion; 8. a limiting sliding plate; 9. sliding and protruding; 10. a limiting bin; 11. a limiting spring; 12. a safety knob; 13. a safety rotating shaft; 14. a bolt square bar; 15. a safety bolt; 16. a column bin; 17. a safety spring; 18. a locking groove; 19. a locking block; 20. a bolt; 21. a fixed seat; 22. a square rod groove; 23. a convex column; 24. a through groove; 25. a fixing flange; 26. a set screw; 27. and limiting the sliding hole.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-6, a door lock convenient for reversing comprises a lock body 2, a front panel 1-1 and a rear panel 1, wherein the front panel 1-1 and the rear panel 1 are matched with the lock body, the rear panel 1 is positioned at the inner side of the door, a safety lock tongue 15 is arranged at the bottom of the lock body 2, a safety knob 12 is arranged on the rear panel 1 corresponding to the safety lock tongue 15, a safety rotating shaft 13 is connected onto the safety knob 12, a lock tongue square rod 14 is connected onto the end part of the safety rotating shaft 13, the safety lock tongue 15 is driven to open and close through the lock tongue square rod 14, a handle rotating shaft 4 is sleeved on panel shells of the front panel 1-1 and the rear panel 1, a door handle 5 is connected to the outer end of the handle rotating shaft 4, an elastic locking mechanism for limiting;

the other end of the handle rotating shaft 4 extends into a panel cavity in the panel shell, a cam 6 is sleeved on the handle rotating shaft 4 in the panel cavity, an elastic limiting mechanism which abuts against the cam 6 and limits the reversing of the cam 6 is arranged on the inner side wall of the panel shell corresponding to the lower side of the handle rotating shaft 4, and the cam 6 can rotate to drive the handle rotating shaft 4 to reverse.

In the embodiment, the elastic limiting mechanism comprises a limiting bin 10 arranged in a panel shell, the limiting bin 10 is detachably fixed on the inner wall of the panel shell below the cam 6, a limiting sliding plate 8 is sleeved at the top of the limiting bin 10, a limiting protrusion 7 is arranged at the top of the limiting sliding plate 8, a limiting spring 11 is fixedly arranged in the limiting bin 10, a limiting sliding hole 27 is arranged at the top of the limiting bin 10, the bottom end of the limiting sliding plate 8 penetrates through the limiting sliding hole 27 and is fixedly connected with the limiting spring 11, and the top end of the limiting protrusion 7 is abutted against the cam 6; fixing flanges 25 are arranged at four corners of the limiting bin 10, and the fixing flanges 25 are fixedly connected with the inner wall of the panel shell through fixing screws 26; the bottom end of the limiting sliding plate 8 is provided with a sliding protrusion 9, and the bottom of the sliding protrusion 9 is fixedly connected with the bottom of a limiting bin 10 through limiting springs 11 which are symmetrically arranged left and right; the bottom of the limiting bin 10 is provided with a through groove 24 corresponding to the limiting spring 11; the panel shell is characterized in that a connecting seat 41 is arranged at the end part of the handle rotating shaft in the panel cavity of the panel shell, and a square groove 3 for connection is arranged on the connecting seat 41.

In the embodiment, the elastic locking mechanism comprises a column bin arranged in the rear panel 1, and the safety rotating shaft 13 extends into the column bin 16 and can freely rotate and stretch in the column bin 16; a convex column 23 is arranged at the end part of the safety rotating shaft 13 in the column bin 16, and the end part of the convex column 23 is connected with a lock tongue square rod 14; a locking block 19 is fixedly arranged on the outer side of the convex column 23, a locking groove 18 is formed in the end part of the column bin 16 corresponding to the locking block 19, a safety spring 17 is sleeved on the safety rotating shaft 13 in the column bin 16, one end of the safety spring 17 is connected with the side wall of the column bin 16, the other end of the safety spring is connected with the convex column 23, and the locking block 19 is just matched in the locking groove 18 to lock the safety rotating shaft 13 when the safety spring 17 is in a free state; the locking groove 18 is a hexagonal groove, and the locking block 19 is a hexagonal block; the end part of the convex column 23 is detachably and fixedly connected with the lock tongue square rod 14; a fixed seat 21 is arranged at the end part of the convex column 23, a square bar groove 22 is arranged on the fixed seat 21, and a lock tongue square bar 14 is matched in the square bar groove 22 and fixed through a bolt 20; the bolt 20 is a fibril bolt which transversely penetrates through the bolt square bar 14 and the square bar groove 22, and two ends of the fibril bolt are bent to lock the bolt square bar 14 on the square bar groove 22.

The utility model discloses a theory of operation is: the utility model provides a door lock convenient for reversing, which is characterized in that when in work, the door handle is rotated by force, the rotating shaft of the driving handle rotates to drive the cam to bypass the elastic limiting mechanism, thereby realizing the reversing of the door handle, realizing the reversing of the door handle without disassembling the screw, and being greatly convenient for use; the utility model discloses a further concrete design elasticity stop gear includes the spacing storehouse that sets up in the panel shell, and spacing storehouse can be dismantled and fix on the panel shell inner wall below the cam, and spacing slide is equipped with to spacing storehouse top cover, and spacing slide top is provided with spacing protruding, and spacing storehouse internal fixation is provided with spacing spring, and spacing storehouse top is provided with spacing slide opening, and spacing slide opening is passed and with spacing spring fixed connection, spacing protruding top butt cam in the bottom of the slide; the door handle is rotated by force, the handle rotating shaft is driven to rotate to drive the cam to rotate, the cam drives the limiting sliding plate to extrude the limiting spring, and when the cam bypasses the limiting protrusion, the limiting spring is reset to abut against the cam, so that the door handle is reversed; the utility model discloses further the spacing storehouse four corners is provided with fixed flange, and fixed flange passes through set screw and panel shell inner wall fixed connection, easy to assemble and dismantle;

meanwhile, the utility model further arranges an elastic locking mechanism on the safety rotating shaft, the limit of the elastic locking mechanism can be removed by pressing the safety knob, and the safety rotating shaft is rotationally driven to rotate, the end part of the safety rotating shaft is connected with a spring bolt square rod, and the safety spring bolt is driven to open and close through the spring bolt square rod; the door is opened and closed, so that the door can be opened and closed only by pressing and rotating the safety knob from the inner side of the door, and the function of preventing children from being locked accidentally is realized;

the utility model further designs an elastic locking mechanism concretely, which comprises a post bin arranged in the back panel, and the safety rotating shaft extends into the post bin and can freely rotate and stretch in the post bin; the end part of the safety rotating shaft in the column bin is provided with a convex column, and the end part of the convex column is connected with a square rod of the lock tongue; a locking block is fixedly arranged on the outer side of the convex column, a locking groove is formed in the end part of the column bin corresponding to the locking block, a safety spring is sleeved on the safety rotating shaft in the column bin, one end of the safety spring is connected with the side wall of the column bin, the other end of the safety spring is connected with the convex column, and the locking block is just matched in the locking groove when the safety spring is in a free state to lock the safety rotating shaft; pressing insurance knob extrusion insurance pivot, promoting the locking piece and breaking away from the locking groove, and then removing the locking, rotatory insurance knob realizes that the insurance spring bolt opens and close this moment, and simple structure is firm, realizes the function that prevents the unexpected locking of children.

The utility model discloses further the locking groove is the hexagonal groove, the locking piece is hexagonal piece; the end part of the convex column is detachably and fixedly connected with the square rod of the lock tongue; the bolt is characterized in that the bolt square bar and the square bar groove are transversely penetrated through the fibril bolt, the bolt square bar is locked and connected on the square bar groove through bending of two ends, and the bolt square bar is convenient to mount and dismount.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. A door lock convenient for reversing, which comprises a lock body (2), a front panel (1-1) and a rear panel (1) matched with the lock body, wherein the back panel (1) is positioned at the inner side of the door, the bottom of the lock body (2) is provided with a safety lock tongue (15), the back panel (1) is provided with a safety knob (12) corresponding to the safety lock tongue (15), the safety knob (12) is connected with a safety rotating shaft (13), the end part of the safety rotating shaft (13) is connected with a lock tongue square rod (14), the safety lock tongue (15) is driven to open and close through the lock tongue square rod (14), the panel shells of the front panel (1-1) and the rear panel (1) are sleeved with a handle rotating shaft (4), the outer end of the handle rotating shaft (4) is connected with a door handle (5), the safety device is characterized in that an elastic locking mechanism for limiting the rotation of the safety rotating shaft is arranged on the safety rotating shaft (13), and the limitation of the elastic locking mechanism can be released by pressing the safety knob (12);

the other end of the handle rotating shaft (4) extends into a panel cavity in the panel shell, a cam (6) is sleeved on the handle rotating shaft (4) in the panel cavity, an elastic limiting mechanism which is connected with the cam (6) in an abutting mode and limits the reversing of the cam (6) is arranged on the inner side wall of the panel shell corresponding to the lower side of the handle rotating shaft (4), and the cam (6) can rotate to drive the handle rotating shaft (4) to reverse around the elastic limiting mechanism.

2. The door lock convenient to reverse according to claim 1, wherein the elastic limiting mechanism comprises a limiting bin (10) arranged in a panel shell, the limiting bin (10) is detachably fixed on the inner wall of the panel shell below the cam (6), a limiting sliding plate (8) is sleeved on the top of the limiting bin (10), a limiting protrusion (7) is arranged on the top of the limiting sliding plate (8), a limiting spring (11) is fixedly arranged in the limiting bin (10), a limiting sliding hole (27) is arranged on the top of the limiting bin (10), the bottom end of the limiting sliding plate (8) penetrates through the limiting sliding hole (27) and is fixedly connected with the limiting spring (11), and the top end of the limiting protrusion (7) is abutted against the cam (6); fixing flanges (25) are arranged at four corners of the limiting bin (10), and the fixing flanges (25) are fixedly connected with the inner wall of the panel shell through fixing screws (26); the bottom end of the limiting sliding plate (8) is provided with a sliding protrusion (9), and the bottom of the sliding protrusion (9) is fixedly connected with the bottom of the limiting bin (10) through limiting springs (11) which are arranged in bilateral symmetry.

3. The door lock facilitating reversing according to claim 2, wherein a through groove (24) is formed in the bottom of the limiting bin (10) corresponding to the limiting spring (11); the panel shell is characterized in that a connecting seat (41) is arranged at the end part of the handle rotating shaft (4) in the panel cavity of the panel shell, and a square groove (3) for connection is formed in the connecting seat (41).

4. A door lock convenient for reversing according to any one of claims 1 to 3, wherein the elastic locking mechanism comprises a post bin arranged in the rear panel (1), and the safety rotating shaft (13) extends into the post bin (16) and can freely rotate and stretch in the post bin (16); a convex column (23) is arranged at the end part of the safety rotating shaft (13) in the column bin (16), and the end part of the convex column (23) is connected with a lock tongue square rod (14); the locking block (19) is fixedly arranged on the outer side of the convex column (23), the end part of the column bin (16) is provided with a locking groove (18) corresponding to the locking block (19), a safety spring (17) is sleeved on the safety rotating shaft (13) in the column bin (16), one end of the safety spring (17) is connected with the side wall of the column bin (16), the other end of the safety spring is connected with the convex column (23), and the locking block (19) is just matched in the locking groove (18) when the safety spring (17) is in a free state to lock the safety rotating shaft (13).

5. A door lock facilitating reversing according to claim 4, characterized in that the locking groove (18) is a hexagonal groove and the locking block (19) is a hexagonal block; the end part of the convex column (23) is detachably and fixedly connected with the lock tongue square rod (14); a fixed seat (21) is arranged at the end part of the convex column (23), a square rod groove (22) is arranged on the fixed seat (21), and a lock tongue square rod (14) is matched in the square rod groove (22) and fixed through a bolt (20); the bolt (20) is a fibril bolt which transversely penetrates through the bolt square bar (14) and the square bar groove (22), and the bolt square bar (14) is locked on the square bar groove (22) by bending two ends.

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