CN215859471U - Self-locking multi-angle self-switching multifunctional handle for doors and windows - Google Patents

Abstract

The utility model discloses a self-locking multi-angle self-switching multifunctional handle for doors and windows, which comprises a handle and a shell, base and bottom plate, gear wheel includes connecting axle and gear, the gear sets up the inboard at the base, the connecting axle is fixed in the handle, radian 180 degrees constant head tanks have been seted up along the radial of one side lateral wall of connecting axle, the positioning seat is installed in the front end location of base, the front end of positioning seat is provided with a location section of thick bamboo, the outside at the connecting axle is established to the location cylinder jacket, the contained angle of seting up the central line on the section of thick bamboo wall of a location section of thick bamboo is 90 degrees and two radial through-holes relative with the positioning groove position, wear to be equipped with a locating pin in every radial through-hole, the outside cover of every locating pin is equipped with a locating pin spring that compresses tightly, the outside cover of a location section of thick bamboo is equipped with the switching knob, the contained angle that the central line was seted up to the inside wall of switching knob is 90 degrees and with two arc grooves of two locating pin looks adaptations. The handle has the functions of self-locking and multi-angle self-switching except the function of the traditional handle.

Description

Self-locking multi-angle self-switching multifunctional handle for doors and windows

Technical Field

The utility model relates to a handle for doors and windows, in particular to a self-locking multi-angle self-switching multifunctional handle for doors and windows.

Background

The handle is a common hardware fitting on doors and windows. Traditional handle function singleness can only singly rotate 90 degrees or 180 degrees a bit, realizes opening of door and window, and can not open at 90 degrees and open and switch between 180 degrees, and some handles have single self-locking function to the application scope of handle has been restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that aiming at the defects of the prior art, the utility model provides the self-locking multi-angle self-switching multifunctional handle for the doors and the windows.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a self-locking multi-angle self-switching multifunctional handle for doors and windows comprises a handle, a shell, a base and a bottom plate, wherein the base is arranged in a cavity formed by the shell and the bottom plate in a surrounding mode, the handle is fixedly connected with a gear turntable, the gear turntable comprises a connecting shaft and a gear which are coaxially arranged in a front-back mode, the gear is arranged on the inner side of the base and is used for connecting square steel or a shifting fork, the connecting shaft penetrates through the base and the shell and is fixed on the handle, a positioning groove is formed in the radial direction of the side wall of one side of the connecting shaft, the radian of the positioning groove is 180 degrees, a positioning seat is positioned and installed at the front end of the base, a positioning barrel is coaxially arranged at the front end of the positioning seat and extends out of the front side of the shell, and the positioning barrel is sleeved on the outer side of the connecting shaft, the wall of the positioning cylinder is provided with two radial through holes, the included angle of the central lines of the two radial through holes is 90 degrees, the two radial through holes are opposite to the positioning groove, each radial through hole is internally provided with a positioning pin in a penetrating manner, the outer side of each positioning pin is sleeved with a positioning pin spring, each positioning pin spring is tightly pressed by the head of the corresponding positioning pin, the outer side of the positioning cylinder is sleeved with a cylindrical switching knob, the inner side wall of the switching knob is provided with two arc-shaped grooves, the included angle of the central lines of the two arc-shaped grooves is 90 degrees, and the two arc-shaped grooves are matched with the two positioning pins.

The handle is a multifunctional handle, has the functions of self-locking and multi-angle self-switching besides the functions of the traditional handle, can perform self-locking operation through the switching knob, realizes the self-switching of opening modes of the handle at different angles of 90 degrees and 180 degrees left and right, is particularly suitable for the self-switching of the inward-opening or outward-opening inward-opening modes in the building hardware accessory systems of the types of inward-opening outward-opening in public places such as schools, hospitals and the like, enlarges the application range of the handle, is universal for square steel handles and shifting fork handles, and accordingly enables customers to have more choices.

After the handle is installed, the handle is rotated to drive the gear turntable to rotate, so that the handle is opened at 90 degrees or 180 degrees left and right, then the switching knob is manually rotated to different positions, and the positioning pin enters or exits the positioning groove in the connecting shaft under the action of the spring force of the positioning pin, so that self-locking and opening switching at 90 degrees or 180 degrees left and right are completed.

In the process of rotating the switching knob, when the head of one positioning pin is embedded into one arc-shaped groove, the tail end of the positioning pin is positioned in the corresponding radial through hole, and at the moment, the handle can be rotated by 90 degrees, so that 90-degree opening of the handle is realized; when the heads of the two positioning pins are respectively embedded into the two arc-shaped grooves, the tail ends of the two positioning pins are respectively positioned in the two radial through holes, and the handle can be rotated by 180 degrees at the moment, so that 180-degree opening of the handle is realized; when the heads of the two positioning pins move out of the two arc-shaped grooves respectively, the tail ends of the two positioning pins extend out of the axial inner sides of the two radial through holes respectively and enter the positioning grooves, and the handle is completely locked at the moment to complete the self-locking of the handle.

Preferably, the gear turntable is internally provided with a central round hole and a central square hole which are communicated with each other, a fixing screw penetrates through the central square hole and the central round hole to be in threaded connection with the handle, the screw head of the fixing screw is limited in the central square hole, the central square hole is used for mounting the square steel, a square concave hole which is concave forwards is formed in the rear side of the handle, the outer contour of the cross section of the front end of the connecting shaft is approximately square, and the front end of the connecting shaft is embedded in the square concave hole. The fixed screw can improve the convenience of handle installation to the overall structure that makes the handle is more firm, reliable.

Preferably, the rear side of handle open and be equipped with four mounting grooves that are concave forward, four the mounting groove with the central line of fixed screw evenly lay as the center, every the mounting groove in install a handle spring, every handle spring's rear side pressure be provided with a steel ball, the front end location of a setting cylinder install an annular gasket, annular gasket by the handle compress tightly, annular gasket's front surface on seted up four circular shrinkage pools, every the front end of steel ball stretch into one the mounting groove in, every the rear end of steel ball stretch into one circular shrinkage pool in. The design of handle spring, steel ball and circular shrinkage pool can improve the convenience and the reliability of handle transposition operation.

Preferably, the front end of the positioning cylinder is provided with a plurality of positioning notches which are concave backwards, the rear end of the annular gasket is provided with a plurality of positioning blocks, and each positioning block is embedded in one positioning notch. The positioning of the annular gasket is realized through the matching of the positioning block and the positioning notch, and the assembly is convenient.

Preferably, the front end of the base is provided with four forward-convex bosses which are uniformly distributed by taking the center line of the connecting shaft as the center, the rear end of the positioning seat is provided with a square positioning hole, the four bosses extend into the square positioning hole, and the four bosses are respectively abutted against four corners of the square positioning hole. Through four bosss and square locating hole, realize the location of positioning seat at the base front end, location effect is good, and convenient assembling.

Preferably, the outer surface of the switching knob is provided with a switching reference groove. The function of switching the benchmark groove is that the user of being convenient for discerns the handle state fast.

Preferably, the base is provided with a plurality of first mounting holes, the bottom plate is provided with a plurality of second mounting holes corresponding to the first mounting holes one to one, the first mounting holes and the second mounting holes are used for mounting a plurality of screws, and the base is fixed at a corresponding mounting position on the door window sash through the screws.

Compared with the prior art, the utility model has the following advantages: the handle is a multifunctional handle, has the functions of self-locking and multi-angle self-switching besides the functions of the traditional handle, can perform self-locking operation through the switching knob, realizes the self-switching of opening modes of the handle at different angles of 90 degrees and 180 degrees left and right, is particularly suitable for the self-switching of the inward-opening or outward-opening inward-opening modes in the building hardware accessory systems of the types of inward-opening outward-opening in public places such as schools, hospitals and the like, enlarges the application range of the handle, is universal for square steel handles and shifting fork handles, and accordingly enables customers to have more choices.

Drawings

Fig. 1 is an exploded view of the multi-function handle of embodiment 1;

FIG. 2 is an external view of a gear wheel in example 1;

FIG. 3 is an appearance view of the embodiment 1 after the positioning base and the base are assembled;

FIG. 4 is a sectional view showing the assembly of the positioning base and the base in embodiment 1;

FIG. 5 is a front view showing a state in which the handle can be rotated by 180 degrees in embodiment 1;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view showing the positions of two positioning pins in the handle of example 1 in a state where the handle can be rotated by 180 degrees;

FIG. 8 is a front view showing a state where the handle can be rotated only 90 degrees to the right in embodiment 1;

FIG. 9 is a schematic view showing the positions of two positioning pins in the state where the handle of embodiment 1 can only be rotated 90 degrees to the right;

FIG. 10 is a front view showing a state where the handle is rotated only 90 degrees to the left in embodiment 1;

FIG. 11 is a schematic view showing the positions of two positioning pins in the state of the handle of example 1 that can be rotated only 90 degrees to the left;

FIG. 12 is a schematic view showing the positions of two positioning pins in the fully locked state of the handle in example 1;

fig. 13 is a sectional view of the handle in a state where the handle can be rotated by 180 degrees in embodiment 2.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The multi-functional handle that door and window used but multi-angle auto-switch that auto-lock of embodiment 1, as shown in fig. 1-12, the direction that upwards is preceding in fig. 1, the direction that faces downwards is the back, and the fore-and-aft direction of each part is referred to this. The multifunctional handle comprises a handle 1, a shell 2, a base 3 and a bottom plate 4, wherein the base 3 is arranged in a cavity enclosed by the shell 2 and the bottom plate 4, the handle 1 is fixedly connected with a gear turntable 5, the gear turntable 5 comprises a connecting shaft 51 and a gear 52 which are coaxially arranged in a front-back mode, the gear 52 is arranged on the inner side of the base 3, in the embodiment, the gear 52 is connected with a square steel 61, the rear end of the square steel 61 extends out from the rear side of the bottom plate 4, the connecting shaft 51 penetrates through the base 3 and the shell 2 and is fixed on the handle 1, a positioning groove 53 is formed in the radial direction of one side wall of the connecting shaft 51, the radian of the positioning groove 53 is 180 degrees, a positioning seat 7 is positioned and installed at the front end of the base 3, a positioning cylinder 71 is coaxially arranged in the front end of the positioning seat 7, the positioning cylinder 71 extends out from the front side of the shell 2, the positioning cylinder 71 is sleeved on the outer side of the connecting shaft 51, two radial through holes 72 are formed in the wall of the positioning cylinder 71, the contained angle of the central line of two radial through-holes 72 is 90 degrees, two radial through-holes 72 are relative with constant head tank 53 position, wear to be equipped with a locating pin 73 in every radial through-hole 72, the outside cover of every locating pin 73 is equipped with a locating pin spring 74, every locating pin spring 74 is compressed tightly by the head of corresponding locating pin 73, the outside cover of a location section of thick bamboo 71 is equipped with the switching knob 8 of tube-shape, the surface of switching knob 8 is equipped with switches benchmark groove 81, two arc recess 82 have been seted up to the inside wall that switches knob 8, the contained angle of the central line of two arc recess 82 is 90 degrees, two arc recess 82 and two locating pin 73 looks adaptations.

In embodiment 1, a central circular hole 54 and a central square hole 55 are formed in the gear turntable 5 in a front-back direction and are communicated with each other, a fixing screw 56 penetrates through the central square hole 55 and the central circular hole 54 to be in threaded connection with the handle 1, the screw head of the fixing screw 56 is limited in the central square hole 55, the central square hole 55 is used for mounting square steel 61, a square concave hole 11 which is concave forwards is formed in the rear side of the handle 1, the outer contour of the cross section of the front end of the connecting shaft 51 is substantially square, and the front end of the connecting shaft 51 is embedded in the square concave hole 11.

In embodiment 1, four mounting grooves 12 recessed forward are formed in the rear side of the handle 1, the four mounting grooves 12 are uniformly arranged around the center line of the fixing screw 56, a handle spring 13 is installed in each mounting groove 12, a steel ball 14 is tightly pressed at the rear side of each handle spring 13, an annular gasket 75 is installed at the front end of the positioning cylinder 71 in a positioning manner, two positioning notches 76 recessed backward are formed in the front end of the positioning cylinder 71, two positioning blocks 77 are arranged at the rear end of the annular gasket 75, each positioning block 77 is embedded in one positioning notch 76, the annular gasket 75 is pressed by the handle 1, four circular concave holes 78 are formed in the front side surface of the annular gasket 75, the front end of each steel ball 14 extends into one mounting groove 12, and the rear end of each steel ball 14 extends into one circular concave hole 78.

In embodiment 1, the front end of the base 3 is provided with four bosses 31 protruding forward, the four bosses 31 are uniformly arranged with the center line of the connecting shaft 51 as the center, the rear end of the positioning seat 7 is provided with a square positioning hole 79, the four bosses 31 extend into the square positioning hole 79, and the four bosses 31 abut against four corners of the square positioning hole 79 respectively.

In embodiment 1, four first mounting holes 32 are formed in the base 3, four second mounting holes 41 corresponding to the four first mounting holes 32 one to one are formed in the bottom plate 4, the four first mounting holes 32 and the four second mounting holes 41 are used for mounting four screws (not shown in the figure), and the base 3 is fixed at a corresponding mounting position (not shown in the figure) on the door window sash through the four screws.

The multi-functional handle of embodiment 2 is different from embodiment 1 in that a gear 52 is connected to a fork 62, and a rear end of the fork 62 extends from a rear side of a bottom plate 4, as shown in fig. 13.

After the multi-functional handle that above-mentioned door and window was switched by oneself with multi-angle of auto-lock was installed, twist grip 1 drives gear wheel 5 rotatory, realizes opening of 90 degrees or 180 degrees about the handle, then manual rotation switches knob 8 to different positions, makes locating pin 73 get into or withdraw from the constant head tank 53 on the connecting axle 51 under the effect of locating pin spring 74 elasticity to accomplish auto-lock, control opening of 90 degrees or 180 degrees and switch.

In the process of rotating the switching knob, when the head of one positioning pin 73 is embedded into one arc-shaped groove 82, the tail end of the positioning pin 73 is positioned in the corresponding radial through hole 72, and at this time, the handle 1 can be rotated by 90 degrees to open the handle by 90 degrees, fig. 9 is a schematic position diagram of two positioning pins when the handle can only be rotated by 90 degrees to the right, and fig. 11 is a schematic position diagram of two positioning pins when the handle can only be rotated by 90 degrees to the left; when the heads of the two positioning pins 73 are respectively embedded into the two arc-shaped grooves 82, the tail ends of the two positioning pins 73 are respectively positioned in the two radial through holes 72, as shown in fig. 7, the handle 1 can be rotated by 180 degrees at the moment, and 180-degree opening of the handle is realized; when the heads of the two positioning pins 73 move out of the two arc-shaped grooves 82, the tail ends of the two positioning pins 73 extend out of the axial inner sides of the two radial through holes 72 and enter the positioning grooves 53, as shown in fig. 12, at this time, the handle 1 is completely locked, and the self-locking of the handle is completed.

Claims (7)

1. A multi-angle self-locking multifunctional handle for doors and windows comprises a handle, a shell, a base and a bottom plate, wherein the base is arranged in a cavity enclosed by the shell and the bottom plate, and is characterized in that the handle is fixedly connected with a gear turntable which comprises a connecting shaft and a gear which are coaxially arranged in the front and the back, the gear is used for connecting square steel or a shifting fork, the gear is arranged in the inner side of the base, the connecting shaft penetrates through the base and the shell and is fixed on the handle, a positioning groove is arranged in the radial direction of one side wall of the connecting shaft, the radian of the positioning groove is 180 degrees, a positioning seat is positioned at the front end of the base, a positioning barrel is coaxially arranged in the front end of the positioning seat, and the positioning barrel extends out from the front side of the shell, the positioning cylinder is sleeved outside the connecting shaft, two radial through holes are formed in the cylinder wall of the positioning cylinder, the included angle of the central lines of the two radial through holes is 90 degrees, the two radial through holes are opposite to the positioning groove in position, a positioning pin penetrates through each radial through hole, a positioning pin spring is sleeved outside each positioning pin, each positioning pin spring is pressed by the head of the corresponding positioning pin, a cylindrical switching knob is sleeved outside the positioning cylinder, two arc-shaped grooves are formed in the inner side wall of the switching knob, the included angle of the central lines of the two arc-shaped grooves is 90 degrees, and the two arc-shaped grooves are matched with the two positioning pins.

2. The multi-angle self-locking multifunctional handle according to claim 1, wherein a gear wheel disk is provided with a central circular hole and a central square hole in front and back, a fixing screw passes through the central square hole and the central circular hole and is in threaded connection with the handle, the screw head of the fixing screw is limited in the central square hole, the central square hole is used for mounting the square steel, the rear side of the handle is provided with a square concave hole which is concave forwards, the outer contour of the cross section of the front end of the connecting shaft is substantially square, and the front end of the connecting shaft is embedded in the square concave hole.

3. The multi-angle self-locking multifunctional handle according to claim 2, wherein four mounting grooves are formed in the rear side of the handle, the four mounting grooves are uniformly distributed around the center line of the fixing screw, a handle spring is installed in each mounting groove, a steel ball is tightly arranged on the rear side of each handle spring, an annular gasket is installed at the front end of the positioning cylinder in a positioning mode, the annular gasket is tightly pressed by the handle, four circular concave holes are formed in the front side surface of the annular gasket, the front end of each steel ball extends into one mounting groove, and the rear end of each steel ball extends into one circular concave hole.

4. The handle as claimed in claim 3, wherein the positioning cylinder has a plurality of positioning notches at the front end thereof, the ring washer has a plurality of positioning blocks at the rear end thereof, and each positioning block is inserted into one of the positioning notches.

5. The handle according to claim 1, wherein four bosses are provided at the front end of the base, the four bosses are uniformly arranged around the center line of the connecting shaft, a square positioning hole is provided at the rear end of the positioning base, the four bosses extend into the square positioning hole, and the four bosses are respectively abutted against four corners of the square positioning hole.

6. The multi-functional handle of multi-angle of auto-lock switching that claim 1 for door and window, characterized by, the surface of switching knob be equipped with switch benchmark groove.

7. The handle of claim 1, wherein the base has a plurality of first mounting holes, the bottom plate has a plurality of second mounting holes corresponding to the first mounting holes, the first mounting holes and the second mounting holes are used for mounting a plurality of screws, and the base is fixed at a corresponding mounting position on the door or window sash through the screws.

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