CN220469599U

CN220469599U - Intermediate lock

Info

Publication number: CN220469599U
Application number: CN202321852296.0U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-02-09
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to the technical field of locks, in particular to an intermediate lock which acts on a window frame and a window sash and comprises a frame part and a sash part; the frame component is used for being arranged on the window frame and is provided with an arc surface; the fan part is used for being arranged on the window sash and comprises a bearing part, a central shaft arranged on the bearing part and a rotary drum rotationally sleeved on the central shaft; when the cambered surface of the frame part is abutted with the rotary drum, the cambered surface is used for driving the rotary drum to rotate around the central shaft so as to reduce friction force. The intermediate lock can greatly reduce friction force by setting the rotating cylinder to be in running fit with the cambered surface, so that abrasion of frame parts and fan parts is reduced, the service life of the intermediate lock is prolonged, meanwhile, the distance between a bearing part and a section bar of a window sash can be adjusted by rotating an adjusting screw, and the applicability and sealing effect of the section bar are improved, so that the intermediate lock is very worthy of popularization and application.

Description

Intermediate lock

Technical Field

The utility model relates to the technical field of door and window accessories, in particular to an intermediate lock.

Background

The intermediate lock is a common lock and is mainly applied to doors and windows. When the height of the window sash is too large, the window sash is easy to deform, so that gaps are formed when the window sash is closed, and then the phenomena of air leakage and rain leakage are easily caused, and the intermediate lock is used for solving the problems. The conventional intermediate lock is generally composed of a frame member and a fan member, the frame member is mounted on a window frame, the fan member is mounted on a window sash, the frame member is generally provided with an arc surface abutting against the fan member, the fan member moves along with the track of the arc surface of the frame member in the window closing process, and simultaneously generates larger friction force, after the window sash is closed, the deformation part of the window sash can be forcedly corrected under the interaction of the frame member and the fan member, so that gaps are avoided, but in the contact process of the frame member and the fan member, the friction force is larger, so that the frame member and the fan member are easily worn, the service life of the intermediate lock is reduced, and therefore, a new solution is necessary to be studied.

Disclosure of Invention

Based on the above, the utility model provides the intermediate lock, so as to solve the problem that the frame part and the fan part of the existing intermediate lock are easy to wear due to larger friction force in the contact process, thereby reducing the service life of the intermediate lock.

In order to solve the technical problems, the utility model adopts the following technical scheme: an intermediate lock for a window frame and a window sash, comprising a frame part and a sash part; the frame component is used for being arranged on the window frame and is provided with an arc surface; the fan component is used for being arranged on the window sash and comprises a bearing piece, a central shaft arranged on the bearing piece and a rotary drum rotationally sleeved on the central shaft; when the cambered surface of the frame component is abutted with the rotary drum, the cambered surface is used for driving the rotary drum to rotate around the central shaft so as to reduce friction force.

Preferably, the fan component comprises an adjusting screw and a mounting seat, the mounting seat is used for being mounted on the window sash, the bearing piece is movably arranged on the mounting seat, and the adjusting screw penetrates through the bearing piece to be in threaded connection with the mounting seat.

Preferably, the adjusting screw is provided with a head and a screw rod eccentrically arranged with the head, the bearing piece is provided with a mounting groove, and the head is movably arranged in the mounting groove.

Preferably, the mounting seat is provided with a first limiting part and a second limiting part, and two ends of the bearing piece are respectively abutted to the first limiting part and the second limiting part.

Preferably, mounting holes are formed at two ends of the mounting seat.

Preferably, a positioning part is arranged on one side of the mounting seat, which is close to the window sash.

Preferably, the positioning part is provided with a groove, a sleeve is arranged in the groove, and the adjusting screw penetrates through the mounting seat and then enters the sleeve.

Preferably, the bearing member is provided with a first mounting portion and a second mounting portion, and two ends of the central shaft are respectively connected with the first mounting portion and the second mounting portion.

Preferably, both ends of the drum are respectively abutted with the first mounting portion and the second mounting portion.

Preferably, the frame member is provided with a plurality of fixing holes.

The beneficial effects of the utility model are as follows: the intermediate lock can greatly reduce friction force by setting the rotating cylinder to be in running fit with the cambered surface, so that abrasion of frame parts and fan parts is reduced, the service life of the intermediate lock is prolonged, meanwhile, the distance between a bearing part and a section bar of a window sash can be adjusted by rotating an adjusting screw, and the applicability and sealing effect of the section bar are improved, so that the intermediate lock is very worthy of popularization and application.

Drawings

FIG. 1 is a schematic diagram of an intermediate lock according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the frame members of the intermediate lock of FIG. 1;

FIG. 3 is an exploded schematic view of the intermediate lock of FIG. 1;

FIG. 4 is a cross-sectional view of the intermediate lock of FIG. 1;

fig. 5 is a schematic structural view of the intermediate lock of fig. 1 from another perspective.

Reference numerals illustrate: 10. a frame member; 11. a cambered surface; 12. a fixing hole; 20. a fan member; 21. a carrier; 211. a mounting groove; 212. a first mounting portion; 213. a second mounting portion; 22. a central shaft; 23. a rotating drum; 24. an adjusting screw; 241. a head; 242. a screw; 25. a mounting base; 251. a mounting hole; 252. a first limit part; 253. a second limit part; 254. a positioning part; 255. a groove; 256. a sleeve.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the present utility model relates to an intermediate lock, acting on a frame and a sash, comprising: a frame member 10 and a fan member 20; the frame component 10 is used for being arranged on a window frame, and the frame component 10 is provided with an arc surface 11; the fan component 20 is used for being arranged on a window sash, the fan component 20 comprises a bearing piece 21, a central shaft 22 arranged on the bearing piece 21 and a rotary drum 23 rotationally sleeved on the central shaft 22, and when the cambered surface 11 of the frame component 10 is abutted to the rotary drum 23, the cambered surface 11 is used for driving the rotary drum 23 to rotate around the central shaft 22 so as to reduce friction force. Specifically, in the process of closing the window, when the window sash is rotated, the rotary drum 23 is abutted against the cambered surface 11 of the frame member 10, and when the window sash is continuously rotated, the rotary drum 23 rotates on the cambered surface 11, so that the window is closed from one end of the frame member 10 to the other end, and at the same time, the deformed part of the window sash can be forcedly corrected under the action of mutual extrusion of the frame member 10 and the rotary drum 23, so that gaps are avoided. The intermediate lock of the utility model replaces sliding friction in the prior art by rolling friction through the running fit of the rotary drum 23 and the cambered surface 11, thereby greatly reducing friction force, reducing abrasion of the frame part 10 and the fan part 20, further prolonging the service life of the intermediate lock, and simultaneously having the advantage of enhancing the sealing effect of doors and windows, thus being very worthy of popularization and application.

Referring to fig. 1 to 3, in the present embodiment, the fan member 20 includes the carrier 21, the central shaft 22, the drum 23, an adjusting screw 24 and a mounting seat 25, the mounting seat 25 is used for being mounted on a window sash, the carrier 21 is movably disposed on the mounting seat 25, and the adjusting screw 24 passes through the carrier 21 to be in threaded connection with the mounting seat 25; both ends of the mounting seat 25 are provided with mounting holes 251, and the mounting seat 25 can be mounted on the window sash by connecting the mounting holes 251 with the window sash through screws or rivets. The bearing piece 21 can be fixed on the mounting seat 25 through the adjusting screw 24, the fixing effect is good, the disassembly is convenient, meanwhile, the distance between the bearing piece 21 and the window sash can be adjusted through rotating the adjusting screw 24, and the applicability and sealing effect of the window sash are improved.

Referring to fig. 3, in the present embodiment, the adjusting screw 24 has a head portion 241 and a screw rod 242 eccentrically disposed with respect to the head portion 241, the carrier 21 is provided with a mounting groove 211, and the head portion 241 is movably disposed in the mounting groove 211. So set up, rotate adjusting screw 24, adjusting screw 24's head 241 alright drive carrier 21 removes, and carrier 21 removes and just can drive center pin 22 and rotary drum 23 and remove to adjust the extrusion dynamics of rotary drum 23 and fan part 20, and then adjust the dynamics of correcting the casement deformation portion, make the locking dynamics of lock in the middle of can adjusting as required.

In this embodiment, the mounting seat 25 is provided with a first limiting portion 252 and a second limiting portion 253, and two ends of the carrier 21 respectively abut against the first limiting portion 252 and the second limiting portion 253. By this arrangement, the carrier 21 is placed between the first limiting portion 252 and the second limiting portion 253, so as to perform a positioning function, thereby facilitating the fixing of the carrier 21 by the subsequent adjusting screw 24.

Referring to fig. 5, in the present embodiment, a positioning portion 254 is disposed on a side of the mounting seat 25 adjacent to the window sash. Specifically, when the mount 25 is mounted on the window sash, the mount 25 is easily mounted and fixed by inserting the positioning portion 254 into the positioning groove on the window sash.

In this embodiment, the positioning portion 254 has a groove 255, and the groove 255 has a sleeve 256 therein, and the adjusting screw 24 passes through the mounting seat 25 and then enters the sleeve 256. The provision of the recess 255 and the sleeve 256 protects the adjustment screw 24 from other parts or debris interfering with the adjustment screw 24 when the mounting bracket 25 is mounted to the sash.

Referring to fig. 1 to 3, in the present embodiment, a first mounting portion 212 and a second mounting portion 213 are provided on the carrier 21, and two ends of the central shaft 22 are respectively connected to the first mounting portion 212 and the second mounting portion 213; both ends of the drum 23 are respectively abutted against the first mounting portion 212 and the second mounting portion 213. So arranged, the rotary drum 23 can be sleeved on the central shaft 22 for rotation, and the rotation effect is good.

In the present embodiment, the frame member 10 is provided with a plurality of fixing holes 12; specifically, the fixing holes 12 are provided in two, so that the mounting seat 25 can be mounted on the window sash by connecting the window frame through the fixing holes 12 by screws, and the mounting and fixing effects are good.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An intermediate lock for a window frame and a window sash, comprising:

the frame component is arranged on the window frame and is provided with an arc surface;

the fan part is arranged on the window sash and comprises a bearing piece, a central shaft arranged on the bearing piece and a rotary drum rotationally sleeved on the central shaft; when the cambered surface of the frame component is abutted with the rotary drum, the cambered surface is used for driving the rotary drum to rotate around the central shaft so as to reduce friction force.

2. An intermediate lock according to claim 1, characterized in that: the fan component comprises an adjusting screw and an installation seat, wherein the installation seat is used for being installed on the window sash, the bearing piece is movably arranged on the installation seat, and the adjusting screw penetrates through the bearing piece to be in threaded connection with the installation seat.

3. An intermediate lock as defined in claim 2, wherein: the adjusting screw is provided with a head and a screw rod eccentrically arranged with the head, the bearing piece is provided with a mounting groove, and the head is movably arranged in the mounting groove.

4. An intermediate lock as defined in claim 2, wherein: the mounting seat is provided with a first limiting part and a second limiting part, and two ends of the bearing piece are respectively abutted with the first limiting part and the second limiting part.

5. An intermediate lock as defined in claim 2, wherein: and mounting holes are formed in two ends of the mounting seat.

6. An intermediate lock as defined in claim 2, wherein: and a positioning part is arranged on one side of the mounting seat, which is close to the window sash.

7. An intermediate lock as defined in claim 6 wherein: the locating part is equipped with the recess, be equipped with the sleeve in the recess, the adjusting screw passes behind the mount pad get into in the sleeve.

8. An intermediate lock according to claim 1, characterized in that: the bearing piece is provided with a first mounting part and a second mounting part, and two ends of the central shaft are respectively connected with the first mounting part and the second mounting part.

9. An intermediate lock as defined in claim 8 wherein: the two ends of the rotary drum are respectively abutted with the first installation part and the second installation part.

10. An intermediate lock according to claim 1, characterized in that: the frame member is provided with a plurality of fixing holes.