CN212406433U

CN212406433U - Torsion adjusting mechanism

Info

Publication number: CN212406433U
Application number: CN202021836282.6U
Authority: CN
Inventors: 胡永胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-01-26
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a torsion adjustment mechanism includes the mounting panel, the solid fixed cylinder, the top cap, the regulating block, spring and base, the solid fixed cylinder switches on from top to bottom and fixes the one side at the mounting panel, the top cap is fixed in the solid fixed cylinder, the bottom of top cap is equipped with a plurality of first ratchets, a plurality of first ratchets enclose into first ratchet, the top of regulating block is equipped with a plurality of second ratchets, a plurality of second ratchets enclose into the second ratchet, first ratchet and second ratchet meshing, axial through hole has been seted up on the top cap, interior hexagonal hole has been seted up on the upper portion of regulating block, the top of spring is fixed in the regulating block, the bottom mounting is fixed in the base, after the installation, the mounting panel is fixed in the facade. The torsion adjusting mechanism is simple and convenient to operate in torsion adjusting, torsion adjusting can be performed in the installation and use process after installation, the torsion of the door and window hinge meets the requirement, and it is ensured that a user can close the door and window sash with small force under normal conditions, or the door and window sash can be automatically rebounded and closed under specific conditions.

Description

Torsion adjusting mechanism

Technical Field

The utility model relates to a door and window hardware fitting specifically is a torsion adjustment mechanism.

Background

Some door and window hinges need to meet certain torque requirements, so that the opened door and window sash can be rebounded and closed or automatically rebounded and closed under the action of small external force. The torsion adjustment of the existing door and window hinge is usually only carried out in the installation process, and when the torsion is changed after being used for a period of time, the torsion is difficult to be adjusted. There is also no effective torque adjustment mechanism in the prior art.

Disclosure of Invention

The utility model aims to solve the technical problem that, not enough to prior art provides a torsion adjustment mechanism, and this torsion adjustment mechanism direct mount is between door and window hinge and door and window fan, and its torsion adjustment is easy and simple to handle, all can carry out torsion adjustment in the use after installation and installation, makes door and window hinge's torsion reach the requirement, ensures that the user can close the door and window fan with less power under the normal conditions, or the door and window fan can the automatic rebound close under specific conditions.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a torsion adjusting mechanism which is fixed on one side of the mounting plate, a top cover, an adjusting block, a spring and a base are sequentially arranged in the fixed cylinder from top to bottom, the top cover is fixed on the fixed cylinder, a plurality of first ratchets are arranged at the bottom of the top cover, the first ratchets are enclosed to form a first ratchet wheel, the top of the adjusting block is provided with a plurality of second ratchets, the plurality of second ratchets enclose a second ratchet wheel, the first ratchet wheel is meshed with the second ratchet wheel, the top cover is provided with an axial through hole, the upper part of the adjusting block is provided with an inner hexagonal hole which is opposite to the axial through hole, the top end of the spring is fixed on the adjusting block, the bottom end of the spring is fixed on the base, after the spring is installed, the mounting plate is fixed on the vertical face of the door and window sash section bar, and the base is fixed on the support sheet of the door and window hinge.

The utility model discloses torque force adjustment mechanism installs the back, when needing to adjust torsion, insert hexagon socket head wrench in to the hexagon socket head hole on the regulating block from the axial through-hole on the top cap, one-way anticlockwise rotation regulating block, first ratchet is fixed motionless, when the second ratchet drives spring pivoted along first ratchet anticlockwise rotation, first ratchet is in the non-meshing state with the second ratchet, and the spring is in compression state, the torsion of spring passes through the base and transmits to the piece of door and window hinge, when spring rotation reaches certain requirement to torsion, put aside the spanner, the regulating block kick-backs to first ratchet and second ratchet meshing's state under the spring force effect, torsion adjustment is accomplished. The utility model discloses torque force adjustment mechanism direct mount is between door and window hinge and door and window fan, and its torque force is adjusted easy and simple to handle, all can carry out torque force in the use after installation and adjust, makes door and window hinge's torque force reach the requirement, ensures that the user can close the door and window fan with less power under the normal condition, or the door and window fan can the automatic rebound close under specific conditions.

Preferably, the outer surface of the adjusting block is provided with an axial groove, the bottom of the adjusting block is provided with a first connecting column, the upper part of the spring is sleeved on the first connecting column, and the top end of the spring is vertically arranged and embedded in the axial groove. The design of first spliced pole and axial recess plays dual location effect to the upper portion of spring, guarantees that the torsion of regulating block transmits smoothly to the spring.

As preferred, the top of base be equipped with the second spliced pole, the second spliced pole on seted up the location breach, the location breach certainly the top slant downwardly extending of second spliced pole to the middle part of base, the lower part cover of spring establish the second spliced pole on, the bottom slope of spring set up and inlay and establish the location breach in. The second connecting column is matched with the positioning notch, so that a dual-positioning effect is achieved on the lower portion of the spring, and the torsion of the spring is guaranteed to be smoothly transmitted to the base.

Preferably, the bottom of the base is provided with a connecting rod, and the connecting rod is fixedly connected with the support piece of the door and window hinge.

Furthermore, the cross section of the connecting rod is polygonal, polygonal holes are formed in the support pieces of the door and window hinges, and the connecting rod is tightly inserted into the polygonal holes. The connecting rod with the polygonal cross section can ensure the torque transmission effect between the torque force adjusting mechanism and the hinge.

Preferably, each of the first ratchet teeth includes a first involute surface and a first plane, each of the second ratchet teeth includes a second involute surface and a second plane, the first involute surface is matched with the second involute surface, the first plane is matched with the second plane, and when the first ratchet wheel is engaged with the second ratchet wheel, the first involute surface and the first plane are respectively attached to the second involute surface and the second plane. The ratchet comprising the involute surface and the plane is adopted, so that the first ratchet wheel and the second ratchet wheel can be rapidly switched to a non-meshed state in the process of rotating the adjusting block, and the torque force adjusting operation is more labor-saving and efficient.

Preferably, a pointed screw transversely penetrates through the side wall of the fixed cylinder, a positioning hole is formed in the outer surface of the top cover, and the pointed end of the pointed screw is embedded into the positioning hole to press and fix the top cover on the fixed cylinder. The top cover is pressed and fixed on the fixed cylinder through the pointed screw, and the structure is simple and the assembly is convenient.

Preferably, the orientation of the fixed cylinder the lateral wall of one side of the mounting panel on seted up axial breach, the fixed cylinder on be equipped with a plurality of spacers, a plurality of spacers be located the lateral wall of axial breach both sides on, the mounting panel on seted up a plurality of jacks, every spacer insert and establish one the jack in. The matching of the plurality of positioning pieces and the plurality of jacks facilitates the fixation of the fixed cylinder on the mounting plate, and the overall structure of the torsion adjusting mechanism is more compact.

Preferably, the width and the thickness of the mounting plate are matched with the width and the depth of a standard C-shaped groove of the vertical face of the door and window sash profile, and the mounting plate is inserted into the standard C-shaped groove of the vertical face of the door and window sash profile and is fixed on the vertical face of the door and window sash profile through screws.

Furthermore, waist-shaped holes are formed in the mounting plate, and screws penetrate through the waist-shaped holes to fix the mounting plate on the vertical face of the door and window sash profile.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses torque force adjustment mechanism direct mount is between door and window hinge and door and window fan, and its torque force is adjusted easy and simple to handle, all can carry out torque force in the use after installation and adjust, makes door and window hinge's torque force reach the requirement, ensures that the user can close the door and window fan with less power under the normal condition, or the door and window fan can the automatic rebound close under specific conditions.

Drawings

FIG. 1 is an external view of a torque adjusting mechanism according to an embodiment;

FIG. 2 is an exploded view of the torque adjustment mechanism of the embodiment;

FIG. 3 is an external view of the torque adjusting mechanism in the embodiment with the fixing barrel removed;

FIG. 4 is an external view of the top cover in the embodiment;

FIG. 5 is an external view of an adjusting block in the embodiment;

FIG. 6 is a side view of an adjusting block in the embodiment;

fig. 7 is a top view of an adjustment block in an embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The torque force adjusting mechanism of embodiment 1, as shown in the figure, includes a mounting plate 1, a fixing cylinder 2, a top cover 3, an adjusting block 4, a spring 5 and a base 6, the fixing cylinder 2 is vertically conducted, the fixing cylinder 2 is fixed on one side of the mounting plate 1, the top cover 3, the adjusting block 4, the spring 5 and the base 6 are sequentially arranged in the fixing cylinder 2 from top to bottom, the top cover 3 is fixed on the fixing cylinder 2, the bottom of the top cover 3 is provided with a plurality of first ratchets 31, the plurality of first ratchets 31 surround to form a first ratchet 32, the top of the adjusting block 4 is provided with a plurality of second ratchets 41, the plurality of second ratchets 41 surround to form a second ratchet 42, the first ratchet 32 is meshed with the second ratchet 42, the top cover 3 is provided with an axial through hole 33, the upper portion of the adjusting block 4 is provided with an inner hexagonal hole 43 facing the axial through hole 33, the top of the spring 5 is fixed on the adjusting block 4, the bottom, the base 6 is fixed to a brace (not shown) of a hinge of a door or window.

In embodiment 1, an axial groove 45 is formed in the outer surface of the adjusting block 4, a first connecting column 44 is arranged at the bottom of the adjusting block 4, the upper part of the spring 5 is sleeved on the first connecting column 44, and the top end 51 of the spring 5 is vertically arranged and embedded in the axial groove 45; the top of the base 6 is provided with a second connecting column 61, the second connecting column 61 is provided with a positioning notch 62, the positioning notch 62 extends downwards obliquely from the top of the second connecting column 61 to the middle of the base 6, the lower part of the spring 5 is sleeved on the second connecting column 61, and the bottom end 52 of the spring 5 is obliquely arranged and embedded in the positioning notch 62; the bottom of base 6 is equipped with connecting rod 63, and connecting rod 63 and the branch piece fixed connection of door and window hinge, in this embodiment, the cross section of connecting rod 63 is square, has seted up the quad slit on the branch piece of door and window hinge, and connecting rod 63 inserts tightly to set up in the quad slit.

In embodiment 1, the side wall of the fixed cylinder 2 is traversed by the pointed screw 21, the outer surface of the top cover 3 is provided with a positioning hole 34, and the tip of the pointed screw 21 is embedded into the positioning hole 34 to press and fix the top cover 3 on the fixed cylinder 2.

In embodiment 1, the width and thickness of the mounting plate 1 are adapted to the width and depth of the standard C-shaped groove of the vertical surface of the sash profile, a waist-shaped hole 11 is formed in the mounting plate 1, the mounting plate 1 is inserted into the standard C-shaped groove of the vertical surface of the sash profile, and a screw penetrates through the waist-shaped hole 11 to fix the mounting plate 1 to the vertical surface of the sash profile.

The torsion adjusting mechanism of embodiment 2 differs from embodiment 1 in that, in embodiment 2, specifically, each first ratchet 31 includes a first involute surface 35 and a first flat surface 36, each second ratchet 41 includes a second involute surface 46 and a second flat surface 47, the first involute surface 35 is fitted to the second involute surface 46, the first flat surface 36 is fitted to the second flat surface 47, and when the first ratchet 32 is engaged with the second ratchet 42, the first involute surface 35 and the first flat surface 36 respectively abut against the second involute surface 46 and the second flat surface 47. In embodiment 2, an axial notch 22 is formed in a side wall of the fixed cylinder 2 facing the mounting plate 1, four positioning pieces 23 are arranged on the fixed cylinder 2, the four positioning pieces 23 are located on side walls of two sides of the axial notch 22, four insertion holes 12 are formed in the mounting plate 1, and each positioning piece 23 is inserted into one insertion hole 12.

The torsion adjusting mechanism is directly installed between the door and window hinges and the door and window sashes, the torsion adjusting operation is simple and convenient, and the torsion can be adjusted in the installation and the installed using process. After installation, when torque force needs to be adjusted, an inner hexagonal wrench is inserted into an inner hexagonal hole 43 in the adjusting block 4 from the axial through hole 33 in the top cover 3, the adjusting block 4 is rotated anticlockwise in a single direction, the first ratchet wheel 32 is fixed, the second ratchet wheel 42 rotates anticlockwise along the first ratchet wheel 32 and drives the spring 5 to rotate, the first ratchet wheel 32 and the second ratchet wheel 42 are in a non-meshed state, the spring 5 is in a compressed state, the torque force of the spring 5 is transmitted to a support piece of a door and window hinge through the base 6, when the spring 5 rotates until the torque force meets a certain requirement, the wrench is removed, the adjusting block 4 rebounds to the meshed state of the first ratchet wheel 32 and the second ratchet wheel 42 under the elastic force action of the spring 5, and torque force adjustment is completed. Through the torsion regulation, can make the torsion of door and window hinge reach the requirement, ensure that the user can close the door and window fan with less power under normal conditions, or the door and window fan can kick-back automatically and close under specific conditions.

Claims

1. A torsion adjusting mechanism is characterized by comprising a mounting plate, a fixed cylinder, a top cover, an adjusting block, a spring and a base, wherein the fixed cylinder is communicated up and down, the fixed cylinder is fixed on one side of the mounting plate, the top cover, the adjusting block, the spring and the base are sequentially arranged in the fixed cylinder up and down, the top cover is fixed on the fixed cylinder, a plurality of first ratchets are arranged at the bottom of the top cover, a first ratchet wheel is defined by the plurality of first ratchets, a second ratchet wheel is defined by the top of the adjusting block, a second ratchet wheel is defined by the plurality of second ratchets, the first ratchet wheel is meshed with the second ratchet wheel, an axial through hole is formed in the top cover, an inner hexagonal hole which is right opposite to the axial through hole is formed in the upper part of the adjusting block, and the top end of the spring is fixed on the adjusting block, the bottom end of the spring is fixed on the base, after the spring is installed, the installation plate is fixed on the vertical surface of the door and window sash section bar, and the base is fixed on the support sheet of the door and window hinge.

2. The torque force adjusting mechanism according to claim 1, wherein an axial groove is formed in an outer surface of the adjusting block, a first connecting column is arranged at the bottom of the adjusting block, an upper portion of the spring is sleeved on the first connecting column, and a top end of the spring is vertically arranged and embedded in the axial groove.

3. The torque force adjusting mechanism according to claim 1, wherein a second connecting column is arranged at the top of the base, a positioning notch is formed in the second connecting column, the positioning notch extends downwards from the top of the second connecting column to the middle of the base in an inclined manner, the lower portion of the spring is sleeved on the second connecting column, and the bottom end of the spring is obliquely arranged and embedded in the positioning notch.

4. The torque force adjusting mechanism according to claim 2, wherein a connecting rod is arranged at the bottom of the base and fixedly connected with the support piece of the door and window hinge.

5. The torque force adjusting mechanism according to claim 4, wherein the cross section of the connecting rod is polygonal, a polygonal hole is formed on the supporting piece of the door and window hinge, and the connecting rod is inserted and arranged in the polygonal hole.

6. A torque adjustment mechanism according to claim 1, wherein each of the first ratchet teeth includes a first involute surface and a first flat surface, each of the second ratchet teeth includes a second involute surface and a second flat surface, the first involute surface fits the second involute surface, the first flat surface fits the second flat surface, and the first involute surface and the first flat surface respectively fit the second involute surface and the second flat surface when the first ratchet wheel engages with the second ratchet wheel.

7. The torque force adjusting mechanism according to claim 1, wherein a pointed screw penetrates through a side wall of the fixed cylinder, a positioning hole is formed in an outer surface of the top cover, and a tip of the pointed screw is embedded into the positioning hole to press and fix the top cover on the fixed cylinder.

8. The torque force adjusting mechanism according to claim 1, wherein an axial notch is formed in a side wall of the fixed cylinder facing the mounting plate, a plurality of positioning pieces are arranged on the fixed cylinder, the positioning pieces are located on side walls of two sides of the axial notch, a plurality of insertion holes are formed in the mounting plate, and each positioning piece is inserted into one insertion hole.

9. The torque force adjusting mechanism according to claim 1, wherein the width and thickness of the mounting plate are adapted to the width and depth of the standard C-shaped groove of the vertical face of the sash profile, and the mounting plate is inserted into the standard C-shaped groove of the vertical face of the sash profile and fixed to the vertical face of the sash profile by screws.

10. The torque force adjusting mechanism according to claim 9, wherein the mounting plate is provided with a kidney-shaped hole, and the screw passes through the kidney-shaped hole to fix the mounting plate to the vertical surface of the sash section.