CN221053463U

CN221053463U - Positioning hinge

Info

Publication number: CN221053463U
Application number: CN202322866986.8U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-05-31
Anticipated expiration: 2033-10-24

Abstract

The utility model provides a positioning hinge which comprises a fan hinge, a frame hinge and a hinge shaft, and also comprises a positioning assembly; the positioning assembly comprises a limiting block, a clamping block and an elastic piece, wherein the limiting block is fixedly connected to the hinge shaft and rotates along with the hinge shaft, and the clamping block is arranged on the limiting block; the limiting block is provided with a plurality of first clamping blocks, and the first clamping blocks are circumferentially distributed along the end face of the limiting block; the clamping block is provided with a plurality of first clamping grooves, and the first clamping grooves are circumferentially distributed along the end face of the clamping block; the elastic piece is arranged on one side of the clamping block, which is opposite to the limiting block, and pushes the clamping block to enable the first clamping block to be embedded into the first clamping groove, and enable the first clamping block rotating along with the hinge shaft to be respectively embedded with different first clamping grooves through elastic deformation.

Description

Positioning hinge

Technical Field

The utility model relates to the technical field of door and window hardware fittings, in particular to a positioning hinge.

Background

The hinge, also called hinge, is often a two-fold type, which is a part for connecting two parts of an object and enabling the object to move, and is commonly used for cabinet doors, windows, doors and the like.

Conventional hinges on the market have no positioning function, in which case the door leaf or window sash easily rotates about the hinge axis and collides with other articles under the action of a slight external force (such as wind blowing, unintentional touching, etc.), resulting in some unnecessary damage. If a positioning function is required to be added, the conventional method is realized by adding accessories, such as door stopper, positioner and the like; however, the addition of accessories causes increased cost and increased installation difficulty, and may also have an effect on the overall appearance of the swing door; in addition, the positioning force of the positioning device cannot be regulated generally, and the situation that the positioning force is too small to meet the practical requirement or the positioning force is too large and the door leaf is difficult to push may occur.

Disclosure of utility model

The utility model aims to solve the technical problem that the positioning function of a door leaf or a window sash can be realized only by additionally installing accessories, and provides a novel positioning hinge.

The technical scheme for solving the technical problems is that the positioning hinge comprises:

The hinge comprises a fan hinge, a frame hinge and a hinge shaft for connecting the fan hinge and the frame hinge, wherein the positioning hinge also comprises a positioning assembly positioned in the fan hinge or the frame hinge;

The positioning assembly comprises a limiting block, a clamping block and an elastic piece, wherein the limiting block is fixedly connected to the end part of the hinge shaft and rotates along with the hinge shaft, and the clamping block is arranged at one end of the limiting block, which is opposite to the hinge shaft; the end face of one end, back to the hinge shaft, of the limiting block is provided with a plurality of first clamping blocks, and the first clamping blocks are circumferentially distributed along the end face of the limiting block; the end face of the clamping block, which faces one end of the hinge shaft, is provided with a plurality of first clamping grooves, and the first clamping grooves are circumferentially distributed along the end face of the clamping block; the elastic piece is arranged on one side of the clamping block, which is opposite to the limiting block, and pushes the clamping block to enable the first clamping block to be embedded into the first clamping groove, and enables the first clamping block rotating along with the hinge shaft to be respectively embedded with different first clamping grooves through elastic deformation.

Preferably, the hinge shaft, the limiting block, the clamping block and the elastic piece are coaxially arranged.

Preferably, the end face of the limiting block, which is opposite to the hinge shaft, is provided with four first clamping blocks, and the four first clamping blocks are distributed at intervals of 90 degrees along the circumferential direction of the end face of the limiting block; the clamping block is provided with four first clamping grooves towards the end face of the hinge shaft, and the four first clamping grooves are distributed at intervals of 90 degrees along the circumferential direction of the end face of the clamping block.

Preferably, the first clamping groove is in an inverted cone shape, the first clamping block is in a cone shape, the first clamping blocks and the first clamping grooves are uniformly distributed along the circumferential direction respectively, and the side walls of the first clamping blocks and the first clamping grooves which are mutually clamped are smooth arc-shaped curved surfaces.

Preferably, the positioning assembly is arranged in the frame hinge, one end of the hinge shaft is fixedly connected with the fan hinge, and the other end of the hinge shaft is inserted into the frame hinge and connected with the positioning assembly;

The positioning assembly further comprises an adjusting stud, the adjusting stud is connected to one end, away from the hinge shaft, of the elastic piece in the axis direction of the hinge shaft, external threads are arranged on the side wall of the adjusting stud, and internal threads which are matched and connected with the adjusting stud are arranged on the inner wall, away from one end of the hinge shaft, of the frame hinge.

Preferably, the frame hinge comprises a connecting sleeve connected with the hinge shaft and a connecting plate fixedly connected with the door frame, and the connecting sleeve and the connecting plate are integrally arranged; one end of the connecting sleeve, which is far away from the fan hinge, is connected with a first clamping cap with a central shaft, the adjusting stud is provided with a through hole for the central shaft to pass through, and the first clamping cap passes through the through hole and is abutted to an opening at one end of the connecting sleeve, which is far away from the hinge shaft.

Preferably, the hinge shaft is further sleeved with a first shaft sleeve, the first shaft sleeve is located between the limiting block and the fan hinge, clamping strips along the axis direction of the hinge shaft are symmetrically arranged on two side walls of the first shaft sleeve, clamping grooves corresponding to the clamping strips along the length direction of the connecting sleeve are formed in the inner wall of the frame hinge, and the clamping strips are embedded into the clamping grooves to be in tight butt joint with the inner wall of the connecting sleeve.

Preferably, two side walls of the clamping block are symmetrically provided with limiting strips along the axis direction of the hinge shaft, and the limiting strips and the clamping strips on the same side of the first shaft sleeve are positioned on the same straight line and embedded into the clamping groove to be tightly abutted and fixed with the connecting sleeve.

Preferably, one end of the hinge shaft, which is far away from the frame hinge, is clamped with a second sleeve through fixing ribs which are symmetrically arranged on two side walls and along the axial direction, and the outer side wall of the second sleeve is provided with a fixing block which is clamped and fixed with the inner wall of the fan hinge; the fan hinge is also provided with a second clamping cap, and the second clamping cap is positioned at the opening of one end of the fan hinge away from the frame hinge and is tightly clamped with the opening end of the fan hinge.

Preferably, the connecting ends of the first shaft sleeve and the second shaft sleeve are protruded out of edges of openings of the frame hinge and the fan hinge, and the connecting ends of the second shaft sleeve and the first shaft sleeve are protruded out of the fan hinge and are turned outwards to be abutted with the edges of the fan hinge.

The utility model has the beneficial effects that: the positioning assembly is added on the fan hinge or the frame hinge, and the elastic piece in the positioning assembly pushes the first clamping groove and the first clamping block to be embedded, so that the door leaf or the window sash is ensured to be opened and closed, and the positioning and the fixing between the fan hinge and the frame hinge are realized;

In addition, one end of the elastic piece in the positioning assembly is further connected with an adjusting stud, and the elastic force of the elastic piece is adjusted through the adjusting stud, so that the abutting force of the mutual clamping connection of the first clamping block and the first clamping groove is adjusted, and the positioning force of the fan hinge and the frame hinge is adjusted.

Drawings

FIG. 1 is a schematic cross-sectional view of a locating hinge provided by the present utility model;

FIG. 2 is a schematic view of the internal structure of the positioning hinge provided by the utility model;

FIG. 3 is a schematic view of the overall structure of the positioning hinge provided by the utility model;

Reference numerals:

1. fan hinges; 2. a frame hinge; 21. connecting sleeves; 22. a connecting plate; 3. a hinge shaft; 4. a positioning assembly; 41. a limiting block; 411. a first clamping block; 42. a clamping block; 421. a first clamping groove; 43. an elastic member; 44. adjusting the stud; 5. a first clip cap; 51. a center shaft; 6. a first sleeve; 7. a second sleeve; 8. and the second clamping cap.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a positioning hinge which comprises a fan hinge 1 for connecting a door leaf or a window sash, a frame hinge 2 for connecting a door frame or a window frame, a hinge shaft 3 for connecting the fan hinge 1 and the frame hinge 2, and a positioning assembly 4 positioned in the fan hinge 1 or the frame hinge 2. The connection structure of the leaf hinge 1 and the door leaf or the window sash, and the connection structure of the frame hinge and the door frame or the window frame can be any existing connection structure, and are not described herein.

The positioning assembly 4 includes a stopper 41, a clamping block 42 and an elastic member 43. Specifically, in this embodiment, the stopper 41, the clamping block 42 and the elastic member 43 are located on the same straight line, the stopper 41 is fixedly connected to the end of the hinge shaft 3 and rotates along with the hinge shaft 3, the clamping block 42 is arranged at one end of the stopper 41 opposite to the hinge shaft 3, a plurality of first clamping blocks 411 circumferentially distributed along the end face of the stopper 41 are arranged at one end of the stopper 41 facing to the clamping block 42, first clamping grooves 421 circumferentially distributed along the end face of the clamping block 42 are arranged at the end face of the clamping block 42 facing to the end face of the stopper 41, the elastic member 43 is arranged at one side of the clamping block 42 opposite to the stopper 41, and pushes the clamping block 42 to enable the first clamping blocks 411 on the stopper 41 to be embedded into the first clamping grooves 421 on the clamping block 42, so as to achieve tight contact between the clamping block 42 and the stopper 41, so as to achieve relative fixed state between the clamping block 42 and the stopper 41, and further achieve positioning between the fan hinge 1 and the frame hinge 2, and under contact between the elastic member 43 and the first clamping blocks 411 and the hinge shaft 3 in the process of rotating along with the hinge shaft 3 are respectively switched to be embedded with different first clamping grooves 421, so as to achieve rotation of the fan 1 relative to the frame hinge 2,

Above-mentioned location hinge adds locating component 4 through at fan hinge 1 or frame hinge 2 to promote the first draw-in groove 421 of joint piece 42 and the first fixture block 411 of stopper 41 mutually inlay through the elastic component 43 in locating component 4, thereby realize the location under the different opening angle states of door leaf or casement, improve the application scope of location hinge.

Referring to fig. 1-3, in order to save space and improve the utilization rate of the inner space of the positioning hinge, in this embodiment, the limiting block 41, the clamping block 42 and the elastic member 43 are all coaxially arranged along the axis of the hinge shaft 3, and the limiting block 41 and the clamping block 42 are cylindrical corresponding to the inside of the positioning hinge, so that the tightness and the smoothness of relative rotation of the connection between the limiting block 41 and the clamping block 42 and the positioning hinge are improved, and in particular, in this embodiment, the elastic member 43 is a spring, and the structure is simple and the material is easy to obtain.

Referring to fig. 1-3, the first clamping block 411 is tapered, the first clamping groove 421 is in an inverted taper shape, and the first clamping block 411 and the first clamping groove 421 are uniformly distributed on the end surfaces of the limiting block 41 and the clamping block 42 at equal intervals, and in order to improve the smoothness of the first clamping block 411 sliding into and sliding out of the first clamping groove 421, the side walls of the first clamping block 411 and the first clamping groove 421 which are mutually clamped are smooth arc-shaped curved surfaces, specifically, in this embodiment, the first clamping groove 421 and the first clamping block 411 are all provided with four first clamping grooves 421, and the intervals between the four first clamping grooves 421 and the first clamping block 411 are all 90 degrees, namely, the first clamping blocks 411 and the first clamping grooves 421 are circumferentially distributed on the end surfaces of the limiting block 41 and the clamping block 42, so that positioning between the fan hinge 1 and the frame hinge 2 which are adjacent by 90 degrees can be realized.

Referring to fig. 1-3, the positioning component 4 is installed in the frame hinge 2, one end of the hinge shaft 3 is fixedly connected to the inside of the fan hinge 1, and the other end is at least partially inserted into the frame hinge 2 and connected with the positioning component 4 in the frame hinge 2, namely, the limiting block 41 is fixedly connected to one end of the hinge shaft 3 in the frame hinge 2 and synchronously rotates with the fan hinge 1 along with the hinge shaft 3, and the clamping block 42 is fixedly connected in the frame hinge 2 and keeps a relatively fixed state with the frame hinge 2, so that the relatively rotating clamping between the limiting block 41 and the clamping block 42 is realized;

The positioning assembly 4 further comprises an adjusting stud 44 for adjusting elasticity of the elastic piece 43, the adjusting stud 44 and the hinge shaft 3 are coaxially arranged and are connected to one end of the elastic piece 43, which is far away from the clamping block 42, along the axial direction of the hinge shaft 3 and are tightly abutted to the elastic piece 43, the side wall of the adjusting stud 44 is provided with external threads, the inner wall of one end of the frame hinge 2, which is far away from the fan hinge 1, is provided with internal threads, the internal threads of the frame hinge 2 are matched with the external threads of the adjusting stud 44, threaded connection of the adjusting stud 44 and the frame hinge 2 is achieved, and the compression degree of the elastic piece 43 is adjusted through the abutting of the adjusting stud 44 and the elastic piece 43, so that the abutting degree between the limiting block 41 and the clamping block 42 is adjusted, and the positioning force between the fan hinge 1 and the frame hinge 2 is adjusted.

Referring to fig. 1 to 3, a frame hinge 2 includes a connecting sleeve 21 and a connecting plate 22, the connecting sleeve 21 is used for being connected with a hinge shaft 3, the connecting plate 22 is used for being fixedly connected with a door frame, the connecting sleeve 21 and the connecting plate 22 are integrally arranged and connected along a horizontal direction, a fan hinge 1 and the frame hinge 2 are similar in structure, the fan hinge 1 and the frame hinge 2 are vertically arranged along the hinge shaft 3, and 360-degree relative rotation between the fan hinge 1 and the frame hinge 2 can be realized; the end, far away from the fan hinge 1, of the connecting sleeve 21 is connected with a first clamping cap 5 with a center shaft 51, an adjusting stud 44 is provided with a through hole for the center shaft 51 to pass through, the first clamping cap 5 passes through the through hole and is in open butt joint with the end, far away from the hinge shaft 3, of the connecting sleeve 21, and the first clamping cap 5 is connected with the open end of the connecting sleeve 21 of the frame hinge 2 and is used for carrying out sealing protection on a positioning assembly 4 inside the frame hinge 2 and keeping the appearance consistency and the aesthetic property of the frame hinge 2; similarly, the fan hinge 1 is further provided with a second clamping cap 8, the second clamping cap 8 is connected to the opening of the fan hinge 1, which is far away from one end of the frame hinge 2, and is tightly clamped at the end part of the fan hinge 1, so that the inside of the fan hinge 1 is sealed and protected, and the appearance consistency of the fan hinge 1 is maintained.

Referring to fig. 1-3, still the cover is equipped with first axle sleeve 6 on the hinge axle 3, first axle sleeve 6 cover locates hinge axle 3 and is located frame hinge 2 one end, and be located between stopper 41 and the fan hinge 1, be equipped with the joint strip along hinge axle 3 axis direction on the both sides wall of first axle sleeve 6 symmetrically, frame hinge 2 inner wall is equipped with along adapter sleeve 21 length direction and with the corresponding joint groove of joint strip, joint strip embedding joint groove and adapter sleeve 21 inner wall inseparable butt, realize first axle sleeve 6 fixed connection in frame hinge 2 and realize relative rotation with hinge axle 3, hinge axle 3 keeps away from frame hinge 2 one end and is provided with the second axle sleeve 7 along axis direction through the fixed rib joint on both sides wall symmetrically, the outer lateral wall of second axle sleeve 7 is equipped with the fixed block of being fixed with fan hinge 1 inner wall joint, realize the relative fixed connection of second axle sleeve 7 and fan hinge 1, thereby protect hinge axle 3, and reduce the relative rotation friction between frame hinge 2 and the fan hinge 1 and the hinge 1 direct and the hinge axle 3, thereby with the wearing and tearing of frame hinge 2 and fan hinge 1, the life of improvement.

Referring to fig. 1-3, specifically, the connecting ends of the first shaft sleeve 6 and the second shaft sleeve 7 are protruded out of edges of the openings of the frame hinge 2 and the fan hinge 1, the connecting end of the second shaft sleeve 7 and the first shaft sleeve 6 is protruded out of the fan hinge 1 and is turned outwards to be abutted against the edges of the fan hinge 1, collision abrasion of the connecting ends of the frame hinge 2 and the fan hinge 1 is reduced, protection of the frame hinge 2 and the fan hinge 1 is improved, and further service lives of the frame hinge 2 and the fan hinge 1 are prolonged.

Referring to fig. 1-3, in order to realize the fixed connection between the clamping block 42 and the frame hinge 2, two side walls of the clamping block 42 are symmetrically provided with limiting strips along the axis direction of the hinge shaft 3, and the limiting strips and the clamping strips on the same side of the shaft sleeve are positioned on the same straight line and are embedded into the clamping groove to be tightly abutted and fixed with the connecting sleeve 21, so that the structure is simple and easy to install.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The positioning hinge comprises a fan hinge, a frame hinge and a hinge shaft for connecting the fan hinge and the frame hinge, and is characterized by further comprising a positioning assembly positioned in the fan hinge or the frame hinge;

2. The positioning hinge of claim 1, wherein the hinge shaft, the limiting block, the clamping block and the elastic member are coaxially arranged.

3. The positioning hinge according to claim 2, wherein the end face of the limiting block, which faces away from the hinge shaft, is provided with four first clamping blocks, and the four first clamping blocks are distributed at intervals of 90 degrees along the circumferential direction of the end face of the limiting block; the clamping block is provided with four first clamping grooves towards the end face of the hinge shaft, and the four first clamping grooves are distributed at intervals of 90 degrees along the circumferential direction of the end face of the clamping block.

4. The positioning hinge according to claim 1, wherein the first clamping groove is in an inverted cone shape, the first clamping block is in a cone shape, the plurality of first clamping blocks and the first clamping groove are uniformly distributed along the circumferential direction respectively, and the side walls of the first clamping blocks and the first clamping grooves clamped with each other are smooth arc-shaped curved surfaces.

5. The positioning hinge according to claim 1, wherein the positioning assembly is installed in the frame hinge, one end of the hinge shaft is fixedly connected to the fan hinge, and the other end of the hinge shaft is inserted into the frame hinge and connected with the positioning assembly;

6. The positioning hinge according to claim 5, wherein the frame hinge comprises a connecting sleeve connected with the hinge shaft and a connecting plate fixedly connected with a door frame, and the connecting sleeve and the connecting plate are integrally arranged; one end of the connecting sleeve, which is far away from the fan hinge, is connected with a first clamping cap with a central shaft, the adjusting stud is provided with a through hole for the central shaft to pass through, and the first clamping cap passes through the through hole and is abutted to an opening at one end of the connecting sleeve, which is far away from the hinge shaft.

7. The positioning hinge according to claim 5, wherein a first shaft sleeve is further sleeved on the hinge shaft, the first shaft sleeve is located between the limiting block and the fan hinge, clamping strips along the axis direction of the hinge shaft are symmetrically arranged on two side walls of the first shaft sleeve, clamping grooves corresponding to the clamping strips along the length direction of the connecting sleeve are formed in the inner wall of the frame hinge, and the clamping strips are embedded into the clamping grooves to tightly abut against the inner wall of the connecting sleeve.

8. The positioning hinge according to claim 7, wherein two side walls of the clamping block are symmetrically provided with limiting strips along the axial direction of the hinge shaft, and the limiting strips and the clamping strips on the same side of the first shaft sleeve are positioned on the same straight line and are embedded into the clamping groove to be tightly abutted and fixed with the connecting sleeve.

9. The positioning hinge according to claim 8, wherein one end of the hinge shaft away from the frame hinge is clamped with a second sleeve through fixing ribs symmetrically arranged on two side walls along the axial direction, and the outer side wall of the second sleeve is provided with a fixing block clamped and fixed with the inner wall of the fan hinge; the fan hinge is also provided with a second clamping cap, and the second clamping cap is positioned at the opening of one end of the fan hinge away from the frame hinge and is tightly clamped with the opening end of the fan hinge.

10. The positioning hinge according to claim 9, wherein the connecting ends of the first shaft sleeve and the second shaft sleeve are protruded out of edges of openings of the frame hinge and the fan hinge, and the connecting ends of the second shaft sleeve and the first shaft sleeve are protruded out of the fan hinge and are turned outwards to be abutted with the edges of the fan hinge.