CN215803779U

CN215803779U - Sliding door lock

Info

Publication number: CN215803779U
Application number: CN202122059220.XU
Authority: CN
Inventors: 刘金华; 刘新科; 聂国芳; 余继良
Original assignee: Jinhua Huawei Intelligent Technology Co ltd
Current assignee: Jinhua Huawei Intelligent Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-11
Anticipated expiration: 2031-08-30

Abstract

The invention discloses a sliding door lock, which comprises a panel; the handle comprises a connecting part and an operating part; the lock cylinder rotating block is used for driving the lock cylinder to rotate; the linkage mechanism drives the lock cylinder rotating block to rotate through the linkage mechanism by the handle; the link gear includes: the fixing seat is arranged on the panel; the linkage block is fixedly arranged on the connecting part and is hinged with the fixed seat; and the linkage piece is arranged on the linkage block and used for driving the lock cylinder rotating block to rotate. This sliding door lock compares in current technical scheme, has accomplished simplification design by a wide margin structurally, so, can reduce the linkage fault rate by a wide margin, guarantee the transmission reliability, also greatly reduced the cost simultaneously.

Description

Sliding door lock

Technical Field

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

Background

The sliding door lock is characterized in that the door can be opened only by slightly pushing or pressing the handle outdoors under the condition that the dead bolt of the lock body is contracted; the square bolt and the oblique bolt can be contracted only by pulling the handle indoors, so that the door is opened. Compare in traditional rotation type handle, accord with people's action custom more.

In the prior art, as disclosed in chinese patent publication No. CN110528960A, a mechanical sliding door lock is disclosed, and although the sliding door lock of the technical scheme realizes the function of pushing and pulling in operation, the linkage structure is complex, and it should be known to those skilled in the art that in mechanical transmission, the more parts and steps involved in transmission, the lower the stability, the worse the reliability, the lower the efficiency, the higher the cost, the higher the price and many after-sale problems, so that it cannot be widely popularized and applied.

Based on this, there is also chinese utility model patent with publication number CN212154409U, which discloses a sliding door lock, and the design is simplified for the above-mentioned scheme, but through specific analysis and actual experience, the technical scheme still has the problem of miscellaneous parts, which is not good for assembly and poor reliability; meanwhile, the handle seat in the technical scheme is used as a split part, the manufacturing cost is high, and the production cost and the use cost are high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a more optimized sliding door lock structure, which can effectively overcome the defects of mainstream sliding door locks in the current market.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sliding door lock comprising a panel; the handle comprises a connecting part and an operating part; the lock cylinder rotating block is used for driving the lock cylinder to rotate; the linkage mechanism drives the lock cylinder rotating block to rotate through the linkage mechanism by the handle;

the link gear includes: the fixing seat is arranged on the panel; the linkage block is fixedly arranged on the connecting part and is hinged with the fixed seat; and the linkage piece is arranged on the linkage block and used for driving the lock cylinder rotating block to rotate.

In the above technical solution, further, the handle is configured such that the operation portion thereof is far away from or close to the panel to drive the linkage mechanism to work.

In the above technical scheme, further, a limiting structure for limiting the relative rotation angle between the linkage block and the fixed seat is arranged on the linkage block or the fixed seat.

In the above technical scheme, further, the fixing base includes a bottom plate connected to the panel, and two side plates substantially perpendicular to the bottom plate, and the two side plates are rotatably connected to the two side walls of the linkage block through a pin.

In the above technical scheme, further, a concave portion with a relatively large-angle rounded V-shaped is formed on the side wall of the linkage block, and the hinged end of the side plate is a relatively small-angle rounded V-shaped, so that the limiting structure is formed.

In the above technical solution, further, the upper and lower ends of the linkage block are provided with first slots, the connection portion is provided with a second slot, and a fastening member is provided to penetrate through the second slot to be connected and matched with one of the first slots.

In the above technical solution, further, the length direction of the linkage piece is a Z-shaped structure, the head section of the linkage piece is inserted into the linkage block, the middle section of the linkage piece passes through the through hole in the fixing seat, and the tail section of the linkage piece abuts against the lock cylinder rotating block.

In the above technical scheme, further, the panel is provided with a fixed plate, the lock cylinder turning block is rotatably arranged on the fixed plate, and the fixed plate simultaneously axially limits the lock cylinder turning block.

In the above technical scheme, further, a sliding groove is formed in the fixing plate, a convex portion is formed in the lock cylinder rotating block, the linkage piece penetrates through the sliding groove and abuts against the convex portion, and a torsion spring for driving the lock cylinder rotating block to return is arranged on the lock cylinder rotating block.

Among the above-mentioned technical scheme, further, the connecting portion and the operation portion lower panel of handle are the alloy, the operation portion upper panel of handle is the stainless steel.

The invention has the beneficial effects that:

1. this sliding door lock compares in current technical scheme, has accomplished simplification design by a wide margin structurally, so, can reduce the linkage fault rate by a wide margin, guarantee the transmission reliability, also greatly reduced the cost simultaneously.

2. This sliding door lock can solve the trouble problem of the operation portion switching-over of handle well, and simple change can satisfy different use needs.

3. The rotary limiting mechanism does not need to be additionally and independently limited, but is integrated on a component, and the rotary limiting mechanism is simple and stable in structure, the inner and outer contours of the limiting mechanism are set to be in a rounded V shape, so that the rotary reliability can be guaranteed, the maximization of an edge contact surface is guaranteed as far as possible, the matching is compact, and the improvement of the transmission reliability is facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of the external form of the invention.

Fig. 2 is a schematic view of another angular profile configuration of the present invention.

Fig. 3 is an exploded view of the structure of the present invention.

Fig. 4 is an exploded view of another angular configuration of the present invention.

Fig. 5 is a side view structural view of the present invention.

Fig. 6 is a top view structural view of the present invention.

Fig. 7 is a schematic view of the structure of fig. 5 along the line a-a.

FIG. 8 is a schematic view of the structure of FIG. 6 along direction B-B.

Fig. 9 is a schematic view of a portion of the linkage mechanism of the present invention.

In the figure, 1, a panel, 2, a handle, 21, a connecting part, 211, a second slotted hole, 22 and an operating part; 3. the lock core rotating block comprises a lock core rotating block, a square hole, an annular groove, a convex part and a convex part, wherein the square hole is 31, the annular groove is 32, the convex part is 33, and the convex part is 34;

4. a fixed plate 41, a chute; 5. a torsion spring; 6. a fixed seat, 61, a bottom plate, 62, a side plate, 621, a hinged end; 7. a linkage block, 71, a concave part, 72, a first slot; 8. linkage piece, 81 head section, 82 middle section, 83 tail section; 9. and (7) a pin shaft.

Detailed Description

Referring to fig. 1-9, a specific embodiment of the invention is shown: sliding door lock includes: a panel 1 for mounting on a door leaf; the handle 2 comprises a connecting part 21 and an operating part 22 for a user to hold and push, and the handle 2 is configured that the rotatable end of the operating part 22 is far away from or close to the panel 1 (namely, the action of pushing or pulling) to drive a linkage mechanism to work; the lock core rotates 3 pieces, a square hole 31 is arranged in the lock core, and the square hole 31 is used for installing a square lock core; a fixed plate 4 is fixedly installed on the inner side of the panel 1, the lock cylinder turning block 3 is rotationally arranged on the fixed plate 4, the fixed plate 4 simultaneously carries out axial limiting on the lock cylinder turning block 3, and specifically, an annular groove 32 matched with the fixed plate 4 is arranged on the lock cylinder turning block 3; the fixed plate 4 is provided with a sliding groove 41, the lock cylinder rotating block 3 is provided with a convex part 33, the linkage piece 8 mentioned later penetrates through the sliding groove 41 to be abutted against the convex part 33, the lock cylinder rotating block 3 is further provided with a torsion spring for driving the lock cylinder rotating block to return, one end of the torsion spring is abutted against the fixed plate 4, the other end of the torsion spring is abutted against the other convex part 34 of the lock cylinder rotating block 3, the torsion spring is not shown in the figure, but reference can be made to a comparison file indicated in the background technology if clearly needed.

This link gear includes: a fixed seat 6 fixedly arranged on the panel 1; the linkage 7 blocks are fixedly arranged on the connecting part 21 and hinged with the fixed seat 6; and the linkage piece 8 is arranged on the linkage block 7 and is used for driving the lock cylinder rotating block 3 to rotate. Specifically, the fixing seat 6 includes a bottom plate 61 connected to the inner side of the panel 1, and two side plates 62 substantially perpendicular to the bottom plate 61, the two side plates 62 form a U-shaped structure, the two side plates 62 pass through the panel 1 to be installed at two sides of the linkage block 7, and are hinged by a pin 9 passing through the two side plates, a head section 81 of the linkage block 8 is inserted into the linkage block 7, a tail section 83 abuts against the lock cylinder rotation block 3, a middle section 82 is a connection transition section, and the pin 9 also passes through the head section 81 of the linkage block 8. In order to satisfy the angle range defined by the relative movement of the fixed seat 6 and the linkage block 7, a relatively large-angle rounded V-shaped concave part 71 is formed on the side wall of the linkage block 7, and the hinged end 621 of the side plate 62 is a relatively small-angle rounded V-shaped, so as to form a limiting structure. This limit structure need not unnecessary independent setting spacing, but integrated in part itself nature formation, and simple structure is stable, sets up limit structure's inside and outside profile into fillet V type, can guarantee to rotate the reliability, guarantees the marginal contact surface maximize as far as simultaneously, and the cooperation is compact, is favorable to promoting the transmission reliability.

In order to solve the problem of facilitating the reversing of the operation part 22 of the handle 2 (i.e. the switching between the pushing and pulling modes), the upper end and the lower end of the linkage block 7 are both provided with first slots 72, the connecting part 21 is provided with second slots 211, and a fastener is arranged to penetrate through the second slots 211 to be connected and matched with one of the first slots 72, so that different operation modes are formed, and different use requirements can be met by simple replacement.

In order to simplify the structure of the linkage mechanism and make the linkage mechanism compact and efficient, the length direction of the linkage sheet 8 is Z-shaped, the head section 81 of the linkage sheet is inserted on the linkage block 7, the middle section 82 of the linkage sheet passes through the through hole on the fixed seat 6, and the tail section of the linkage sheet is tightly abutted to the lock cylinder rotating block 3, so that the utilization rate of the inner space is improved, and other parts are not required to be arranged in the prior art.

In order to meet the overall texture and reduce the cost, the lower panels of the connecting part 21 and the operating part 22 of the handle 2 are made of alloy, and the upper panel of the operating part 22 of the handle 2 is made of stainless steel and plated. The surface can be prevented from rusting and oxidizing, the balance weight and the quality of the product are ensured, and the cost is reduced.

When the handle is used, according to different installation relations between the handle 2 and the linkage block 7, the operation part 22 of the handle 2 can be pushed or the operation part 22 can be pulled, after the handle 2 is operated, the linkage block 7 is synchronously driven to rotate relative to the fixed seat 6 by taking the pin shaft 9 as a circle center, so that the linkage piece 8 fixedly matched in the linkage block 7 also deflects along with the rotation, the lock cylinder rotating block 3 is driven to rotate, and finally the unlocking action is finished. This sliding door lock compares in current technical scheme, has accomplished simplification design by a wide margin structurally, so, can reduce the linkage fault rate by a wide margin, guarantee the transmission reliability, also greatly reduced the cost simultaneously.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.

Claims

1. Sliding door lock includes:

a panel;

the handle comprises a connecting part and an operating part;

the lock cylinder rotating block is used for driving the lock cylinder to rotate;

the linkage mechanism drives the lock cylinder rotating block to rotate through the linkage mechanism by the handle;

characterized in that, the link gear includes:

the fixing seat is arranged on the panel;

the linkage block is fixedly arranged on the connecting part and is hinged with the fixed seat;

and the linkage piece is arranged on the linkage block and used for driving the lock cylinder rotating block to rotate.

2. A sliding door lock according to claim 1, wherein the handle is configured such that the pivotable end of the handle portion thereof is located away from or adjacent the panel to actuate the linkage.

3. A sliding door lock according to claim 1, wherein the linkage block or the fixed seat is provided with a limiting structure for limiting the relative rotation angle of the linkage block and the fixed seat.

4. A sliding door lock according to claim 3, wherein the mounting comprises a base plate attached to the panel and two side plates substantially perpendicular to the base plate, the two side plates being pivotally attached to the two side walls of the linkage block by a pin.

5. A sliding door lock according to claim 4, wherein the side walls of the link block are formed with relatively large angle rounded V-shaped recesses and the hinged ends of the side plates are relatively small angle rounded V-shaped recesses to form the stop formation.

6. A sliding door lock according to claim 1, wherein the linkage block is provided with first slots at both upper and lower ends thereof, and the connecting portion is provided with a second slot through which a fastener is inserted to engage with one of the first slots.

7. The sliding door lock according to claim 1, wherein the linkage piece has a Z-shaped configuration in a longitudinal thickness direction, a head section thereof is inserted into the linkage block, a middle section thereof passes through the through hole of the fixing base, and a tail section thereof abuts against the lock cylinder rotating block.

8. The sliding door lock according to claim 1, wherein the panel is provided with a fixed plate, the lock cylinder turning block is rotatably arranged on the fixed plate, and the fixed plate simultaneously axially limits the lock cylinder turning block.

9. The sliding door lock according to claim 8, wherein the fixed plate is provided with a sliding slot, the lock cylinder rotating block is provided with a protrusion, the linkage piece passes through the sliding slot and abuts against the protrusion, and the lock cylinder rotating block is provided with a torsion spring for driving the lock cylinder rotating block to return.

10. A sliding door lock according to claim 1, wherein the connecting portion and the operating portion lower panel of the handle are made of an alloy, and the operating portion upper panel of the handle is made of stainless steel.