CN215108022U

CN215108022U - Door and window handle

Info

Publication number: CN215108022U
Application number: CN202120348736.3U
Authority: CN
Inventors: 贺震宇
Original assignee: Liancheng Machinery Ningbo Co ltd
Current assignee: Liancheng Machinery Ningbo Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-12-10
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a door and window handle, the electric iron comprises a handle, fixing base and drive shaft, characteristics are provided with actuating mechanism in the fixing base, actuating mechanism includes first drive seat and second drive seat, first drive seat is rotationally installed in the fixing base, fixing base and handle fixed connection are upwards stretched out on the upper portion of first drive seat, the fixed lower part that sets up at first drive seat of second drive seat, the upper end of drive shaft stretches into fixing base and second drive seat fixed connection, it is used for realizing that the drive shaft only can take place pivoted locking mechanism by the handle drive to be provided with between second drive seat and the fixing base. The advantage is through setting up locking mechanism between second drive seat and fixing base, realizes that the drive shaft can only drive first drive seat rotation drive by installing the handle in indoor, and can't drive first drive seat rotation through the second drive seat externally for this handle has better theftproof performance.

Description

Door and window handle

Technical Field

The utility model relates to a door and window accessory especially relates to a door and window handle.

Background

The door and window handle usually includes handle, fixing base and drive shaft, and the fixing base is installed on door and window, and the one end of drive shaft is connected with the tool to lock of installing on door and window, and the other end of drive shaft passes the fixing base and pegs graft on the handle. The door and window handle with the structure has poor anti-theft performance, and a thief can open the lockset on the door and window and steal indoors only by damaging the external section bar and exposing the driving shaft.

Disclosure of Invention

The utility model aims to solve the technical problem that a door and window handle with simple structure and better anti-theft performance is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a door and window handle, includes handle, fixing base and drive shaft, the fixing base in be provided with actuating mechanism, actuating mechanism include first drive seat and second drive seat, first drive seat rotationally install the fixing base in, the upper portion of first drive seat upwards stretch out the fixing base with handle fixed connection, the second drive seat fixed set up the lower part of first drive seat, the upper end of drive shaft stretch into the fixing base with second drive seat fixed connection, the second drive seat with the fixing base between be provided with and be used for realizing the drive shaft only can by handle drive and take place pivoted locking mechanism.

The first driving seat comprises a handle installation part and a rotating connection part which are coaxially and sequentially arranged from top to bottom, the fixed seat comprises a base and a bottom cover, the bottom cover is installed on the lower portion of the base, the base is provided with a rotating installation cavity which is communicated up and down, the rotating connection part rotates and is installed, the rotating connection part is rotatably installed in the rotating installation cavity, and the handle installation part upwards extends out of the rotating installation cavity and is fixedly connected with the handle. Above-mentioned first drive seat simple structure realizes through the handle installation department with the fixed connection of handle, realizes rotatable installation through rotating connecting portion to realize that the handle is rotatable to be installed on the fixing base.

The second driving seat comprises a positioning column, the rotating connecting part is provided with a positioning hole for the positioning column to extend into for installation, the positioning column upwards extends into and is installed in the positioning hole, the lower end surface of the rotating connecting part is convexly provided with four stirring blocks, a cross-shaped groove with four through side parts is formed between the four stirring blocks, the positioning hole is centrally arranged in the cross-shaped groove, the cross-shaped groove is divided into four concave parts after the positioning column extends into and is installed in the positioning hole, the side part of the positioning column is convexly provided with two positioning convex blocks matched with the concave parts, the two positioning convex blocks are oppositely arranged and respectively embedded and installed in the two opposite concave parts, and the lower part of the positioning column is coaxially provided with a circular positioning plate, the outer diameter of the round positioning plate is larger than that of the positioning column, a positioning cavity matched with the round positioning plate is arranged on the bottom cover, and the round positioning plate is rotatably arranged in the positioning cavity;

a locking cavity is formed by enclosing the lower end surface of the rotating connecting part, the inner side end surface of the positioning cavity, two inner end surfaces of the sunken part provided with the positioning lug, the outer end surface of the positioning lug and the upper end surface of the circular positioning plate, a driving gap is arranged between the sunken part and the positioning lug arranged in the locking cavity, a locking mechanism is arranged in each locking cavity and comprises two locking columns, the two locking columns are arranged between the outer end surface of the positioning lug and the inner side end surface of the positioning cavity at intervals, a pressure spring is arranged between the two locking columns, a shallow V-shaped release groove is arranged on the outer end surface of the positioning lug, and a plurality of groups of locking groove groups matched with the locking columns are arranged on the inner side end surface of the positioning cavity, each group of locking groove groups consists of two locking grooves which are arranged at intervals, and the two locking grooves in the same group of locking groove groups correspond to the locking positions of the two locking columns; under the locking state, under the action of the pressure spring, the first side parts of the two locking columns respectively abut against the two end faces of the shallow V-shaped release groove, the second side parts of the two locking columns are embedded in the locking grooves at corresponding positions, and the third side parts of the two locking columns respectively abut against the side parts of the toggle block at corresponding positions. The locking mechanism is simple in structure, and the driving shaft arranged on the second driving seat can only be driven by the handle to rotate by the cooperation of the shallow V-shaped release groove and the concave part arranged on the positioning convex block and the driving clearance arranged between the positioning convex block arranged in the shallow V-shaped release groove and the concave part, so that the anti-theft performance is improved.

The locking groove groups are 4 groups, and the 4 groups of locking groove groups are uniformly distributed on the end surface of the inner side of the positioning cavity. 4 locking groove groups are uniformly distributed, so that the handle can be locked at four positions of 0 degree, 90 degrees, 180 degrees and 270 degrees, and the identification of locking positions is facilitated.

And two end surfaces of the shallow V-shaped release groove are convex shallow arc end surfaces. The locking post is convenient to move along the shallow V-shaped release groove in a labor-saving manner, and locking and releasing are achieved.

Two ends of the shallow V-shaped release groove are connected with the side end face of the positioning lug through arc-shaped transition faces. The locking column can be effectively prevented from slipping from the positioning convex block through the arc-shaped transition surface, and the stable installation of the locking column is ensured, so that the anti-theft effect is stably provided.

The bottom of the base is provided with an installation concave cavity matched with the bottom cover, and the bottom cover is embedded in the installation concave cavity. The bottom space of the base is reasonably utilized, and the whole structure is tidy and compact.

The bottom of the second driving seat is provided with a fixed mounting hole for the upper end of the driving shaft to extend into, and the upper end of the driving shaft penetrates through the bottom cover to be fixedly mounted in the fixed mounting hole. Stable mounting of the drive shaft is achieved.

The driving clearance is 0.5mm-0.8 mm. The stability of locking post installation is difficult to ensure to the drive clearance is too big, and the drive clearance undersize leads to the locking post to break away from in can't smoothly moving the locking recess under the drive of stirring the piece easily.

Compared with the prior art, the utility model has the advantages of: through set up locking mechanism between second drive seat and fixing base, realize that the drive shaft can only drive first drive seat rotation drive by installing indoor handle, and can't drive first drive seat rotation through the second drive seat externally for this handle has better theftproof performance.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic sectional view of the first driving seat and the second driving seat of the present invention, which are mounted on the bottom cover in a matching manner and the second driving seat is located at a locking position;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 3 with the locking post and compression spring removed;

fig. 5 is a schematic view of a first driving seat in a perspective view according to the present invention;

fig. 6 is a schematic perspective view of the first driving seat in a side view according to the present invention;

fig. 7 is a schematic structural view of the second driving seat of the present invention mounted on the bottom cover in a locking fit manner;

fig. 8 is a schematic perspective view of the middle bottom cover of the present invention;

fig. 9 is a schematic perspective view of a second driving seat of the present invention;

fig. 10 is a schematic sectional view of the present invention in an unlocked state;

FIG. 11 is an enlarged view of the structure at B in FIG. 10;

fig. 12 is an exploded view of the present invention;

fig. 13 is a schematic cross-sectional view of the base of the present invention.

Detailed Description

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

As shown in the figure, a door and window handle, including handle 1, fixing base 2 and drive shaft 3, be provided with actuating mechanism in the fixing base 2, actuating mechanism includes first drive seat 4 and second drive seat 5, first drive seat 4 is rotationally installed in fixing base 2, fixing base 2 and 1 fixed connection of handle are upwards stretched out on the upper portion of first drive seat 4, the fixed lower part that sets up at first drive seat 4 of second drive seat 5, fixing base 2 and 5 fixed connection of second drive seat are stretched into to the upper end of drive shaft 3, it is used for realizing that drive shaft 3 only can take place pivoted locking mechanism by the drive of handle 1 to be provided with between second drive seat 5 and the fixing base 2.

In this embodiment, the first driving seat 4 includes a handle mounting portion 401 and a rotating connecting portion 402 coaxially disposed from top to bottom in sequence, the fixing seat 2 includes a base 201 and a bottom cover 202, the bottom cover 202 is mounted on the lower portion of the base 201, a rotating mounting cavity 21 is disposed on the base 201 and is vertically through for the rotating connecting portion 402 to rotatably mount, the rotating connecting portion 402 is rotatably mounted in the rotating mounting cavity 21, and the handle mounting portion 401 extends upward out of the rotating mounting cavity 21 and is fixedly connected to the handle 1. The first driving seat 4 is simple in structure, is fixedly connected with the handle 1 through the handle mounting portion 401, and is rotatably mounted through the rotating connecting portion 402, so that the handle 1 can be rotatably mounted on the fixing seat 2.

In this embodiment, the second driving seat 5 includes a positioning post 501, a positioning hole 42 for the positioning post 501 to be inserted into is disposed on the rotating connecting portion 402, the positioning post 501 is upwardly inserted into and mounted in the positioning hole 42, four shifting blocks 41 are convexly disposed on the lower end surface of the rotating connecting portion 402, a cross-shaped groove with four side portions all penetrating is formed between the four shifting blocks 41, the positioning hole 42 is centrally disposed in the cross-shaped groove, the cross-shaped groove is divided into four recessed portions 43 after the positioning post 501 is inserted into and mounted in the positioning hole 42, two positioning protrusions 51 matching with the recessed portions 43 are convexly disposed on the side portions of the positioning post 501, the two positioning protrusions 51 are oppositely disposed and respectively embedded in the two opposite recessed portions 43, a circular positioning plate 502 is coaxially disposed on the lower portion of the positioning post 501, the outer diameter of the circular positioning plate 502 is larger than the outer diameter of the positioning post 501, the bottom cover 202 is provided with a positioning cavity 22 matched with the circular positioning plate 502, and the circular positioning plate 502 is rotatably arranged in the positioning cavity 22;

a locking cavity is formed by enclosing between the lower end surface of the rotating connecting part 402, the inner end surface of the positioning cavity 22, the two inner end surfaces of the concave part 43 provided with the positioning lug 51, the outer end surface of the positioning lug 51 and the upper end surface of the circular positioning plate 502, a driving gap 10 is arranged between the depressed part 43 and a positioning lug 51 arranged in the depressed part, a locking mechanism is arranged in each locking cavity and comprises two locking columns 6, the two locking columns 6 are arranged between the end surface of the outer side of the positioning lug 51 and the end surface of the inner side of the positioning cavity 22 at intervals, a pressure spring 7 is arranged between the two locking columns 6, a shallow V-shaped release groove 511 is arranged on the end surface of the outer side of the positioning lug 51, a plurality of groups of locking groove groups matched with the locking columns 6 are arranged on the end surface of the inner side of the positioning cavity 22, each group of locking groove groups consists of two locking grooves 8 arranged at intervals, and the two locking grooves 8 in the same group of locking groove groups correspond to the locking positions of the two locking columns 6; under the locking state, under the action of the pressure spring 7, the first side portions 601 of the two locking columns 6 respectively abut against the two end face of the shallow V-shaped release groove 511, the second side portions 602 of the two locking columns 6 are embedded in the locking grooves 8 at the corresponding positions, and the third side portions 603 of the two locking columns 6 respectively abut against the side portions of the toggle block 41 at the corresponding positions. The locking mechanism is simple in structure, and the driving shaft 3 mounted on the second driving seat 5 can only be driven by the handle 1 to rotate by matching the shallow V-shaped release groove 511 and the concave part 43 arranged on the positioning convex block 51 with the driving gap 10 arranged between the positioning convex block 51 mounted in the shallow V-shaped release groove and the concave part 43, so that the anti-theft performance is improved.

In this embodiment, the set of locking grooves is 4 sets, and the 4 sets of locking grooves are uniformly disposed on the inner end surface of the positioning cavity 22. 4 locking groove groups are uniformly distributed, so that the handle 1 can be locked at four positions of 0 degree, 90 degrees, 180 degrees and 270 degrees, and the identification of locking positions is facilitated.

In this embodiment, both end faces of the shallow V-shaped relief groove 511 are outwardly convex shallow arc end faces. The locking column 6 can move along the shallow V-shaped release groove 511 in a labor-saving manner, and locking and releasing are realized.

In this embodiment, the two ends of the shallow V-shaped relief groove 511 are connected to the side end faces of the positioning protrusions 51 by circular arc transition faces 55. The arc-shaped transition surface 55 can effectively prevent the locking post 6 from slipping out of the positioning lug 51, and ensure stable installation of the locking post 6, thereby stably providing an anti-theft function.

In this embodiment, the bottom of the base 201 is provided with a mounting cavity 25 matching with the bottom cover 202, and the bottom cover 202 is embedded in the mounting cavity 25. The bottom space of the base 201 is reasonably utilized, and the whole structure is tidy and compact.

In this embodiment, the bottom of the second driving seat 5 is provided with a fixed mounting hole 56 for the upper end of the driving shaft 3 to be inserted into, and the upper end of the driving shaft 3 is fixedly mounted in the fixed mounting hole 56 through the bottom cover 202. A stable mounting of the drive shaft 3 is achieved.

In this particular embodiment, the drive gap 10 is 0.5mm to 0.8 mm. The driving clearance 10 is too large to ensure the stability of the installation of the locking column 6, and the driving clearance 10 is too small to cause the locking column 6 to be smoothly separated from the locking groove 8 under the driving of the shifting block 41.

The specific principle is as follows: the handle 1 rotates to drive the first driving seat 4 fixedly connected with the handle 1 to rotate in the fixed seat 2, the first driving seat 4 rotates to drive the shifting block 41 arranged below the first driving seat 4 to synchronously rotate, due to the driving gap 10 between the concave part 43 and the positioning lug 51 arranged in the concave part, the shifting block 41 provides shifting power for the locking column 6 arranged at the side part of the shifting block, so that the locking column 6 is separated from the locking groove 8 along the inclined surface of the shallow V-shaped release groove 511, in the rotating process, the other locking column 6 matched with the shifting block is separated from the locking groove 8 along the trend, the locking effect of the fixed seat 2 on the second driving block is released, and at the moment, the second driving block can rotate along with the first driving seat 4 to drive the driving shaft 3 to rotate; each locking mechanism consists of two locking columns 6, and the handle 1 can rotate clockwise and anticlockwise by matching with four shifting blocks 41; when the handle 1 rotates to the locking position, the force applied to the handle 1 is removed, and the locking column 6 is driven to reset under the action of the pressure spring 7 and enters the locking groove 8 again to lock the second driving seat 5; and when the locking position, through locking post 6 and shallow V type release recess 511 and locking recess 8 cooperation for second drive seat 5 can't take place pivoted by oneself, and second drive seat 5 must be driven by first drive seat 4 and rotate, and it is infeasible that so the thief tries to follow the outside unblock through destroying outside section bar, has realized effectual theftproof.

Claims

1. The utility model provides a door and window handle, includes handle, fixing base and drive shaft, its characterized in that the fixing base in be provided with actuating mechanism, actuating mechanism include first drive seat and second drive seat, first drive seat rotationally install the fixing base in, the upper portion of first drive seat upwards stretch out the fixing base with handle fixed connection, the second drive seat fixed set up the lower part of first drive seat, the upper end of drive shaft stretch into the fixing base with second drive seat fixed connection, the second drive seat with the fixing base between be provided with and be used for realizing the drive shaft only can by the handle drive and take place pivoted locking mechanism.

2. A door and window handle as claimed in claim 1, wherein said first driving seat comprises a handle mounting portion and a rotary connecting portion coaxially and sequentially disposed from top to bottom, said fixing seat comprises a base and a bottom cover, said bottom cover is disposed at the lower portion of said base, said base is provided with a rotary mounting cavity for rotatably mounting said rotary connecting portion, said rotary connecting portion is rotatably mounted in said rotary mounting cavity, and said handle mounting portion extends upward from said rotary mounting cavity to be fixedly connected with said handle.

3. A door and window handle as claimed in claim 2, wherein said second driving seat includes a positioning post, said rotation connecting portion is provided with a positioning hole for inserting said positioning post, said positioning post is upwardly inserted into said positioning hole, said lower end surface of said rotation connecting portion is convexly provided with four shifting blocks, a cross-shaped groove with four side portions penetrating is formed between said four shifting blocks, said positioning hole is centrally disposed in said cross-shaped groove, said cross-shaped groove is divided into four recessed portions after said positioning post is inserted into said positioning hole, said side portions of said positioning post are convexly provided with two positioning protrusions engaged with said recessed portions, said two positioning protrusions are oppositely disposed and respectively embedded in two opposite recessed portions, the lower part of the positioning column is coaxially provided with a circular positioning plate, the outer diameter of the circular positioning plate is larger than that of the positioning column, a positioning cavity matched with the circular positioning plate is arranged on the bottom cover, and the circular positioning plate is rotatably arranged in the positioning cavity;

a locking cavity is formed by enclosing the lower end surface of the rotating connecting part, the inner side end surface of the positioning cavity, two inner end surfaces of the sunken part provided with the positioning lug, the outer end surface of the positioning lug and the upper end surface of the circular positioning plate, a driving gap is arranged between the sunken part and the positioning lug arranged in the sunken part, a locking mechanism is arranged in each locking cavity and comprises two locking columns, the two locking columns are arranged between the outer end surface of the positioning lug and the inner side end surface of the positioning cavity at intervals, a pressure spring is arranged between the two locking columns, a shallow V-shaped release groove is arranged on the outer end surface of the positioning lug, and a plurality of groups of locking groove groups matched with the locking columns are arranged on the inner side end surface of the positioning cavity at intervals, each group of locking groove groups consists of two locking grooves which are arranged at intervals, and the two locking grooves in the same group of locking groove groups correspond to the locking positions of the two locking columns; under the locking state, under the action of the pressure spring, the first side parts of the two locking columns respectively abut against the two end faces of the shallow V-shaped release groove, the second side parts of the two locking columns are embedded in the locking grooves at corresponding positions, and the third side parts of the two locking columns respectively abut against the side parts of the toggle block at corresponding positions.

4. A door and window handle as claimed in claim 3, wherein said locking groove sets are 4, said 4 locking groove sets being uniformly disposed on an inner end surface of said positioning cavity.

5. A door and window handle as claimed in claim 3, wherein said shallow V-shaped relief groove has outwardly convex shallow arcuate end surfaces at both end surfaces.

6. A door and window handle as claimed in claim 3 or 5, wherein the two ends of said shallow V-shaped relief groove are connected to the side end faces of said positioning projection by circular arc-shaped transition faces.

7. A door and window handle as claimed in claim 2, wherein the base has a bottom portion provided with a mounting cavity for engaging with the bottom cover, and the bottom cover is fitted into the mounting cavity.

8. A door and window handle as claimed in claim 1, wherein the second driving seat is provided at a bottom thereof with a fixing hole into which the upper end of the driving shaft is inserted, and the upper end of the driving shaft is fixedly mounted in the fixing hole through the bottom cover.

9. A door or window handle as claimed in claim 3, wherein the drive gap is in the range of 0.5mm to 0.8 mm.