CN212336922U - Door lock with reversing mechanism - Google Patents

Abstract

The utility model relates to a door lock with a reversing mechanism, which comprises a lock shell and a door lock handle, wherein the door lock handle is rotationally arranged on the lock shell; the door lock handle is connected with a cam, the cam and the door lock handle rotate coaxially, convex wings are arranged on two sides of the cam respectively, the convex wings are abutted with sliding blocks, the upper parts of the sliding blocks are abutted with reset springs, and one ends of the reset springs, far away from the sliding blocks, are abutted with the lock shell; the beneficial effects are that: the structure is more stable, and the transmission distance can be increased through the square shaft, so that the door frame is suitable for doors with different thicknesses; the lock handle square shaft is matched with the lock shell hole, so that the lock handle has better stability.

Description

Door lock with reversing mechanism

Technical Field

The utility model belongs to the technical field of the tool to lock, in particular to lock with reversing mechanism.

Background

At present, door locks on the market are various, and because the door has a left-hand opening door and a right-hand opening door in the door opening direction, and the handle direction of the door lock with the handle on the market is also divided into a left part and a right part in order to be matched with the door, the door lock product which can be used by opening the door in the left direction and the door in the right direction is needed in order to save the cost, and links such as production, use, after sale and the like are convenient;

various door locks which can be interchanged left and right appear on the market aiming at the problem, but have the problems of excessive parts, complex assembly, high cost and the like.

Some existing door locks are directly connected with a rotating piece through a handle, but the length of the rotating piece is not easy to adjust, and the existing door locks cannot be used for doors with different thicknesses.

SUMMERY OF THE UTILITY MODEL

[ solution ]

In order to solve the problem, the utility model adopts the following technical scheme:

a door lock with a reversing mechanism comprises a lock shell and a door lock handle, wherein the door lock handle is rotatably arranged on the lock shell;

the door lock handle is connected with a cam which rotates coaxially with the door lock handle,

the two sides of the cam are respectively provided with a convex wing,

the convex wing is abutted with a sliding block, the upper part of the sliding block is abutted with a return spring, and one end of the return spring, which is far away from the sliding block, is abutted with the lock shell;

the lock shell is provided with a lock shell hole, and a lock handle square shaft of the lock handle penetrates through the lock shell hole;

the door lock handle square shaft is in transmission connection with the cam through the square shaft.

The utility model provides a mode, lock handle square shaft one end has seted up the square hole, square shaft one end is passed the cam and is connected in the square hole after.

In one mode, the cam is provided with a cam square hole, and one end of the square shaft penetrates through the cam square hole and then is connected to the cam square hole.

The utility model provides a mode, the last lock handle recess of having seted up of lock handle square shaft, the door handle recess passes the card is equipped with the jump ring behind the lock casing hole, the jump ring is right the lock handle plays limiting displacement.

In one form, the square shaft outside diameter matches the cam square bore and the square bore inside diameter.

In one mode, the lock shell above the lock shell hole is provided with a lock shell groove, the two return springs are respectively positioned in the two lock shell grooves,

the return spring can slide in the corresponding lock shell groove.

In one mode, the device is further provided with a cover plate, and two sides of the lower end of the cover plate are provided with cover plate limiting ends;

when the cover plate is arranged outside the groove of the lock shell, the limit ends of the cover plate are respectively positioned above the two convex wings,

when the cam rotates, the two convex wings can respectively abut against the corresponding cover plate limiting ends.

In one mode, the lower parts of the sliding blocks are respectively provided with a sliding block groove, and the lower parts of the two upper return springs are positioned in the sliding block grooves.

In one mode, the lock case is provided with a limiting part, and the limiting part is used for the distance of the sliding block moving downwards.

In one form, the cam is of a "male" like type.

[ advantageous effects ]

The utility model has the advantages that:

1. the structure is more stable, and the transmission distance can be increased through the square shaft, so that the door frame is suitable for doors with different thicknesses;

2. the square shaft of the door lock handle is matched with the lock shell hole, so that the door lock handle has better stability;

3. the structure is simpler, the parts are fewer, and the assembly is more convenient;

4. the reliability of the product structure is enhanced.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention after partial installation;

FIG. 3 is a schematic view of a position relationship of the present invention;

fig. 4 is a schematic view of a cam structure according to the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, a door lock with a reversing mechanism comprises a lock case 1 and a door lock handle 2, wherein the door lock handle 2 is rotatably arranged on the lock case 1;

the door lock handle comprises a square shaft 11, a door lock handle 2 and a cam 4, wherein the cam 4 and the door lock handle 2 rotate coaxially due to the connection of the square shaft 11, and the rotation of the cam 4 is realized by rotating the door lock handle 2;

two first convex wings and two second convex wings 4-1 and 4-2 are respectively arranged at two sides of the cam 4,

the first and second convex wings 4-1, 4-2 are abutted with first and second sliding blocks 7, 8, the upper parts of the first and second sliding blocks 7, 8 are abutted with first and second return springs 5, 6, and one ends of the first and second return springs 5, 6 far away from the first and second sliding blocks 7, 8 are abutted with the lock shell 1;

as shown in fig. 1, in combination with fig. 2, the square shaft 11 is inserted into the cam square hole 4-3 and the cam square hole 2-3, and in the process of rotating the cam 4, when the cam 4 (handle) rotates clockwise, the first convex wing 4-1 on the left side moves upwards, the first convex wing 4-1 upwards jacks up the second slider 8, and then the second return spring 6 is contracted; when the cam 4 (handle) rotates anticlockwise, the second convex wing 4-2 on the right side moves upwards, the second convex wing 4-2 upwards jacks the first sliding block 7 upwards, and then the return spring 5 is contracted;

when stopping 2 applications of force to the lock handle, under first reset spring, second reset spring 5, 6 effects, respectively with first slider, second slider 7, 8 promotion resets downwards.

The lock shell 1 is provided with a lock shell hole 1-1, and a lock handle square shaft 2-2 of the lock handle 2 penetrates through the lock shell hole 1-1.

A door lock handle groove 2-1 is formed in the door lock handle square shaft 2-2, a clamp spring 3 is clamped after the door lock handle groove 2-1 penetrates through the lock shell hole 1-1, and the clamp spring 3 plays a limiting role in the door lock handle 2; in the installation process, after the square shaft 2-2 of the door lock handle penetrates through the lock shell hole 1-1, the clamp spring 3 is clamped in the groove 2-1 of the door lock handle, the outer diameter of the clamp spring 3 is larger than the inner diameter of the lock shell hole 1-1, and the clamp spring limits the position of the door lock handle 2 on the lock shell 1.

Then, the door lock handle square shaft 2-2 penetrates through the lock shell hole 1-1 and then is connected with a cam 4;

the cam 4 is provided with a cam square hole 4-3, and the door lock handle square shaft 2-2 penetrates through the lock shell hole 1-1 and then is inserted into the cam square hole 4-3; the square shaft 11 is inserted into the square holes 2-3 and the cam 4, the cam and the door lock handle rotate coaxially, the square is not limited to be square, and any structure capable of limiting the rotation process and realizing synchronous rotation can be adopted, such as a polygon and the like;

referring to fig. 1, the lock case 1 above the lock case hole 1-1 is provided with a first lock case groove and a second lock case groove 1-2, 1-3, two first return springs and two second return springs 5, 6 are respectively arranged in the two first lock case grooves and the two second lock case grooves 1-2, 1-3,

the first and second return springs 5, 6 can slide in the corresponding first and second lock case grooves 1-2, 1-3.

The lock shell 1 is provided with a lock shell hole 1-1, and a door lock handle square shaft 2-2 of the door lock handle 2 penetrates through the lock shell hole 1-1;

the door lock handle square shaft 2-2 is in transmission connection with the cam 4 through the square shaft 11.

One end of the door lock handle square shaft 2-2 is provided with a square hole 2-3, and one end of the square shaft 11 penetrates through the cam 4 and then is connected into the square hole 2-3.

The cam 4 is provided with a cam square hole 4-3, and one end of the square shaft 11 penetrates through the cam square hole 4-3 and then is connected with the cam square hole 4-3.

With reference to fig. 1, 2 and 3, a cover plate 9 is further provided, and the cover plate 9 is provided with a cam mounting hole 9-5; the cover plate 9 covers the shell groove 1-2 and the spring in a blocking mode, and the first return spring, the second return spring 5 and 6, the first sliding block and the second sliding block 7 and 8 are prevented from being deviated and falling.

Referring to fig. 1, 2 and 3, the cover plate 9 is provided with cam mounting holes 9-5, and the cam 4 is mounted on the cover plate 9.

The lower parts of the first sliding block and the second sliding block 7 and 8 are respectively provided with a first sliding block groove and a second sliding block groove 7-1 and 8-1, and the lower parts of the first return spring and the second return spring 5 and 6 are positioned in the first sliding block groove and the second sliding block groove 7-1 and 8-1, so that the first return spring and the second return spring 5 and 6 can better deviate in the length direction with the first sliding block groove and the second sliding block groove 7-1 and 8-1;

the lock shell 1 is provided with a first limiting piece and second limiting pieces 1-6 and 1-7, the second sliding block 8 is provided with a sliding block limiting part 8-2, and the first sliding block 7 is provided with a sliding block limiting part 7-2; when the first and second sliding blocks 7, 8 move downwards, the sliding block limiting portion 8-2 abuts against the limiting member 1-6, and the sliding block limiting portion 7-2 abuts against the limiting member 1-7, so that the first and second limiting members 1-6, 1-7 are used for the distance of the first and second sliding blocks 7, 8 moving downwards.

The cam 1 is of a convex-like structure, and the edge of the convex-like structure is arc-shaped, so that the cam 4 can rotate better.

The following is further described in an operational manner, in which some of the numerical designations represent positions in the drawings and do not designate specific components:

during specific implementation, as the square shaft 11 is connected with the lock handle 2 and the cam 4, when the left side opens the door and the hand presses the lock handle 2 downwards, the cam 4 is rotated, the cam 4-1 pushes the second sliding block 8 and compresses the second return spring 6, the second return spring 6 extends after the hand is released, the second sliding block 8 pushes the cam 4-1, and the lock handle 2 resets. When the door is opened on the left, the cam 4 is rotated when the door lock handle 2 is pulled upwards by a hand, the cam 4-2 pushes the first sliding block 7 and compresses the return spring 5, the return spring 5 extends after the hand is released, the first sliding block 7 pushes the second convex wing 4-2, and the door lock handle 2 is reset. The door lock handle 2 can be pressed down or pulled up when the door is opened.

During specific implementation, as the square shaft 11 is connected with the lock handle 2 and the cam 4, when the door is opened at the right side, the cam 4 is rotated when a hand presses the lock handle 2 downwards, the cam 4-2 pushes the first sliding block 7 and compresses the reset spring 5, the cam 4-2 is rotated to the first cover plate limiting end and the second cover plate limiting end 9-3, the cam 4-2 is limited and cannot rotate when the cam 4-4 is rotated to the first cover plate limiting end and the second cover plate limiting end 9-3, and the reset spring 5 is stretched after the hand is released, the sliding block 7 pushes the second convex wing 4-2, and the lock handle. When the door is opened at the right side, the cam 4 is rotated when the door lock handle 2 is pulled upwards by a hand, the first convex wing 4-1 pushes the second sliding block 8 and compresses the second return spring 6, the second return spring 6 extends after the hand is released, the second sliding block 8 pushes the first convex wing 4-1, and the door lock handle 2 is reset. The door lock handle 2 can be pressed down or pulled up when the door is opened.

By adjusting the length of the square shaft 11, the door can be adapted to different backs.

During specific implementation, because square shaft 11 connects lock handle 2 and cam 4, can use simultaneously when 2 vertical installations of lock handle in the left side of opening the door or the right side of opening the door, when opening the door in the left side, rotate cam 4 when dialling lock handle 2 left, first protruding wing 4-1 promotes second slider 8 and compresses second reset spring 6, and second reset spring 6 extends after the hand is released, and slider 7 promotes first protruding wing 4-1, and lock handle 2 resets.

When the door is opened rightwards, the cam 4 is rotated when the door lock handle 2 is dialed rightwards, the second convex wing 4-2 pushes the sliding block 7 and compresses the first return spring 5, the first return spring 5 extends after the hand is released, the sliding block 7 pushes the second convex wing 4-2, and the door lock handle 2 resets.

During specific implementation, need the switching-over when 2 installations of lock handles, shift out square shaft 11, 2 switching-overs backs of rotatory lock handles are packed into square shaft 11 in the square hole 2-3 can.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims (10)

1. A door lock with a reversing mechanism comprises a lock shell (1) and a door lock handle (2), wherein the door lock handle (2) is rotatably arranged on the lock shell (1); the method is characterized in that:

the door lock handle (2) is connected with a cam (4), the cam (4) and the door lock handle (2) rotate coaxially,

a first convex wing and a second convex wing (4-1, 4-2) are respectively arranged at the two sides of the cam (4),

the first and second convex wings (4-1, 4-2) are abutted with first and second sliding blocks (7, 8), the upper parts of the first and second sliding blocks (7, 8) are abutted with first and second reset springs (5, 6), and one ends of the first and second reset springs (5, 6) far away from the first and second sliding blocks (7, 8) are abutted with the lock shell (1);

the lock shell (1) is provided with a lock shell hole (1-1), and a lock handle square shaft (2-2) of the lock handle (2) penetrates through the lock shell hole (1-1);

the door lock handle square shaft (2-2) is in transmission connection with the cam (4) through the square shaft (11).

2. A door lock with a reversing mechanism according to claim 1, wherein: a square hole (2-3) is formed in one end of a door lock handle square shaft (2-2), and one end of a square shaft (11) penetrates through the cam (4) and then is connected into the square hole (2-3).

3. A door lock with a reversing mechanism according to claim 2, wherein: the cam (4) is provided with a cam square hole (4-3), and one end of the square shaft (11) penetrates through the cam square hole (4-3) and then is connected to the cam square hole (4-3).

4. A door lock with a reversing mechanism according to claim 2, wherein: a door lock handle groove (2-1) is formed in the door lock handle square shaft (2-2), a clamp spring (3) is arranged after the door lock handle groove (2-1) penetrates through the lock shell hole (1-1) in a clamped mode, and the clamp spring (3) plays a limiting role in the door lock handle (2).

5. A door lock with a reversing mechanism according to claim 3, wherein: the outer diameter of the square shaft (11) is matched with the inner diameters of the cam square hole (4-3) and the square hole (2-3);

the outer diameter of the door lock handle square shaft (2-2) is matched with the inner diameter of the lock shell hole (1-1).

6. A door lock with a reversing mechanism according to claim 2, wherein: the lock shell (1) above the lock shell hole (1-1) is provided with a first lock shell groove and a second lock shell groove (1-2, 1-3), the two first return springs and the two second return springs (5, 6) are respectively positioned in the two first lock shell grooves and the two second lock shell grooves (1-2, 1-3),

the first and second return springs (5, 6) are slidable in the corresponding first and second lock housing grooves (1-2, 1-3).

7. A door lock with a reversing mechanism according to claim 6, wherein: the device is also provided with a cover plate (9), and a first cover plate limiting end and a second cover plate limiting end (9-3, 9-4) are arranged on two sides of the lower end of the cover plate (9);

when the cover plate (9) is arranged at the outer sides of the first lock shell groove and the second lock shell groove (1-2, 1-3), the first cover plate limiting end and the second cover plate limiting end (9-3, 9-4) are respectively positioned above the first convex wing and the second convex wing (4-1, 4-2),

when the cam (4) rotates, the two first convex wings and the two second convex wings (4-1 and 4-2) can be respectively abutted against the corresponding first cover plate limiting ends and the corresponding second cover plate limiting ends (9-3 and 9-4).

8. A door lock with a reversing mechanism according to claim 7, wherein: the cover plate (9) is provided with cam mounting holes (9-5), and the cam (4) is rotatably arranged in the cam mounting holes (9-5).

9. A door lock with a reversing mechanism according to claim 1, wherein: the lower parts of the first sliding block and the second sliding block (7, 8) are respectively provided with a first sliding block groove and a second sliding block groove (7-1, 8-1), and the lower parts of the first return spring and the second return spring (5, 6) are positioned in the first sliding block groove and the second sliding block groove (7-1, 8-1).

10. A door lock with a reversing mechanism according to claim 1, wherein: the lock shell (1) is provided with a first limiting part and a second limiting part (1-6, 1-7), and the first limiting part and the second limiting part (1-6, 1-7) are used for adjusting the downward movement distance of the first sliding block and the second sliding block (7, 8).

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