CN220365421U - Handle capable of preventing self-opening - Google Patents

Abstract

The utility model discloses a handle for preventing self-opening, which is arranged on a door, the bottom end of the door is hinged with a door frame, the handle comprises a handle main body and a holding device, the handle main body is provided with at least one rotating arm, the rotating arm is provided with a first pivoting hole rotationally connected with the door, and a second pivoting hole rotationally attached to the holding device; the holding device is provided with a third pivot hole which is rotatably connected with the door and a fourth pivot hole which is rotatably attached to the handle main body, and is provided with a holding end which can enable the door to be held and released on the door frame; wherein the first pivot hole defines a first axis of rotation and the third pivot hole defines a second axis of rotation, and when the swivel arm rotates about the first axis of rotation, the handle body drives the retaining device to rotate about the second axis of rotation to move the retaining end between the retaining position and the release position.

Description

Handle capable of preventing self-opening

Technical Field

The utility model relates to the technical field of door handles, in particular to a handle capable of preventing self-opening.

Background

Oven, boiler or other box type thermal processing equipment are provided with handles on the door, which are used to open or close the processing channel and lock the door. Most handles in the prior art adopt a clamping hook type structure or a male-female matched inserting sheet type structure, and also adopt a left-right knob screwing structure, however, the handles are single in structure, lack of innovation, have certain self-opening risks, and have the problem of poor durability, so that the handles are to be further improved.

Disclosure of Invention

In view of the above-mentioned shortcomings, the present utility model provides a handle for preventing self-opening.

In order to achieve the above object, the present utility model provides a handle for preventing self-opening, which is provided on a door, the bottom end of the door being hinged with a door frame, the handle comprising a handle body and a holding means.

As a preferred embodiment of the present utility model, the handle body has at least one rotation arm provided with a first pivoting hole rotatably connected to the door and a second pivoting hole rotatably attached to the holding means; the holding device is provided with a third pivot hole which is rotatably connected with the door and a fourth pivot hole which is rotatably attached to the handle main body, and is provided with a holding end which can enable the door to be held and released on the door frame; wherein the first pivot hole defines a first axis of rotation and the third pivot hole defines a second axis of rotation, and when the swivel arm rotates about the first axis of rotation, the handle body drives the retaining device to rotate about the second axis of rotation to move the retaining end between the retaining position and the release position.

Compared with the prior art, the utility model has the beneficial effects that: the handle utilizes the principle of multi-axis linkage, when a user lifts the handle, the handle main body drives the holding end of the holding device to be separated from the holding position, so that the door is opened, when the door needs to be closed, the handle is put down, when the door is closed, the handle can prevent the door from being automatically opened by utilizing self gravity, or the phenomenon that the door is opened after the user lightly touches by mistake occurs, and the safety of the door is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is another schematic illustration of the embodiment of FIG. 1;

FIG. 3 is an exploded view of the present utility model (without rivets and screws);

FIG. 4 is a schematic illustration of the present utility model (without the addition of doors, door frames, rivets and screws);

FIG. 5 is a schematic view of the handle release door retention of the present utility model;

fig. 6 is a schematic view of the door open state of the present utility model.

In the figure:

100. a door; 110. a through hole; 111. an outer end edge; 200. a door frame; 210. a through groove; 211. an inner end edge; 300. a handle body; 310. a rotating arm; 311. a first pivot hole; 312. a second pivot hole; 320. a handle; 400. a holding device; 411. a third pivot hole; 412. a fourth pivot hole; 420. a holding end; 421. a tongue portion; 422. a restriction portion; 500. a fixing member; 511. fifth pivot hole; 512. a sixth pivot hole; 600. a connecting piece; 611. a seventh pivot hole; 612 eighth pivot hole; x, a first rotation axis; y, a second axis of rotation.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without undue burden, are within the scope of the present application.

In the present specification, for convenience, words such as "middle", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate an azimuth or a positional relationship, are used to describe positional relationships of constituent elements with reference to the drawings, only for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus are not to be construed as limiting the present disclosure. The positional relationship of the constituent elements is appropriately changed according to the direction of the described constituent elements. Therefore, the present utility model is not limited to the words described in the specification, and may be appropriately replaced according to circumstances.

As shown in fig. 1 to 6, the present utility model provides a self-opening preventing handle provided to a door 100, the door 100 being hinged with a door frame 200, the handle including a handle body 300 and a holding means 400.

Specifically, as shown in fig. 2, 3 and 4, the handle body 300 has at least one rotating arm 310, the rotating arm 310 being provided with a first pivoting hole 311 rotatably connected to the door 100, and a second pivoting hole 312 rotatably attached to the holding means 400; the holding device 400 is provided with a third pivot hole 411 rotatably connected to the door 100, and a fourth pivot hole 412 rotatably attached to the handle body 300, and is provided with a holding end 420 that can hold and release the door 100 on the door frame 200.

Wherein the first pivot hole 311 defines a first rotation axis X, the third pivot hole 411 defines a second rotation axis Y, and the handle body 300 drives the holding device 400 to rotate about the second rotation axis Y when the rotation arm 310 rotates about the first rotation axis X to move the holding end 420 between the holding position and the release position.

As a preferred embodiment of the present utility model, as shown in fig. 2 and 3, the handle body 300 is provided with two rotating arms 310 and is rotatably connected to the door 100 by a fixing member 500, specifically, the fixing member 500 is fixedly connected to the door 100 by a screw, and a fifth pivoting hole 511 and a sixth pivoting hole 512 are further provided on the fixing member 500, wherein the fifth pivoting hole 511 is rotatably connected to the first pivoting hole 311 by a rivet, and the sixth pivoting hole 512 is rotatably connected to the third pivoting hole 411 by a rivet.

In some embodiments, the fixing member 500 may be integrally formed with the door 100, so that the structure is more stable in an integrally formed manner, and fixing screws can be omitted, so that risks caused by loosening of the screws are reduced. In other embodiments, screws or other fasteners may be used instead of rivets, and the user may be configured according to actual use requirements.

As further shown in fig. 2, 3 and 4, the handle body 300 is rotatably attached to the holding device 400 by the connector 600, and in particular, the connector 600 is provided with a seventh pivot hole 611 and an eighth pivot hole 612, wherein the seventh pivot hole 611 forms a rotatable connection with the second pivot hole 312 by means of a rivet, and the eighth pivot hole 612 forms a rotatable connection with the fourth pivot hole 412 by means of a rivet, such that the handle body 300 is rotatably attached to the holding device 400 by means of the connector 600.

In this embodiment, the handle body 300, the holding device 400 and the door 100 form four-axis linkage, and the force transmission structure is smart. In some embodiments, other numbers of axes of multi-axis linkages may be formed between the handle body 300, the retaining device 400 and the door 100 for convenience or to accommodate different scene needs. In other embodiments, screws or other fasteners may be used instead of rivets, and the user may be configured according to actual use requirements.

As shown in fig. 2, 3 and 4, the door 100 is provided with a through hole 110, the door frame 200 is provided with a through groove 210 corresponding to the through hole 110, wherein the through hole 110 is provided with an outer end edge 111, the through groove 210 is provided with an inner end edge 211, and the holding device 400 is arranged in the through hole 110 and the through groove 210 in a penetrating manner; the holding end 420 includes a catch 421 and a restricting portion 422, the catch 421 abutting against the inner end edge 211 and the restricting portion 422 abutting against the outer end edge 111 when the holding end 420 holds the door 100 on the door frame 200.

In this embodiment, the latch 421 and the restraint 422 are effective to retain the door 100 on the door frame 200, and the handle body 300 can quickly move the retaining end 420 away from or into the retaining position when the user actuates the handle body 300.

In order to facilitate the user to drive the handle body 300, as shown in fig. 1, the handle body 300 further includes a handle 320, the handle 320 and the rotating arm 310 form a fixed connection, and the handle 320 is further provided with anti-slip lines.

When in specific use, the utility model is described with reference to the drawings for convenient understanding;

referring to fig. 1 to 6, when it is desired to open the door 100, the user holds the handle 320 and pushes up to drive the rotation of the rotation arm 310, thereby driving the holding end 420 out of the holding position; when the door 100 needs to be closed, the user holds the handle 320 and drives the door 100 to move towards the door frame 200 until the door 100 reaches the closed position, at this time, the handle 320 is put down, the rotating arm 310 rotates reversely, so that the holding end 420 reaches the holding position to hold the door 100 on the door frame 200, and when the door 100 is closed, the gravity of the handle can prevent the door 100 from being opened by itself, or the door is opened after the user lightly touches the door.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (6)

1. A handle for preventing self-opening, which is arranged on a door (100), the door (100) is hinged with a door frame (200), the handle comprises a handle main body (300) and a retaining device (400), and is characterized in that,

the handle body (300) has at least one swivel arm (310), the swivel arm (310) being provided with a first pivot hole (311) rotatably connected to the door (100), and a second pivot hole (312) rotatably attached to the holding device (400);

the holding device (400) is provided with a third pivot hole (411) rotatably connected with the door (100), and a fourth pivot hole (412) rotatably attached to the handle body (300), and is provided with a holding end (420) capable of holding and releasing the door (100) on the door frame (200);

wherein the first pivot hole (311) defines a first rotation axis (X), the third pivot hole (411) defines a second rotation axis (Y), and the handle body (300) drives the holding device (400) to rotate about the second rotation axis (Y) to move the holding end (420) between a holding position and a release position when the rotating arm (310) rotates about the first rotation axis (X).

2. The handle for preventing self-opening according to claim 1, further comprising a fixing member (500), wherein the fixing member (500) is fixedly connected with the door (100) by a screw, and a fifth pivot hole (511) and a sixth pivot hole (512) are further provided on the fixing member (500), wherein the fifth pivot hole (511) is rotatably connected with the first pivot hole (311) by a rivet, and the sixth pivot hole (512) is rotatably connected with the third pivot hole (411) by a rivet.

3. A self-opening prevention handle according to claim 2, further comprising a connector (600), said connector (600) being provided with a seventh pivot hole (611) and an eighth pivot hole (612), wherein said seventh pivot hole (611) forms a rotatable connection with said second pivot hole (312) by means of a rivet, said eighth pivot hole (612) forms a rotatable connection with said fourth pivot hole (412) by means of a rivet, such that said handle body (300) is rotatably attached to said holding device (400) by means of said connector (600).

4. The self-opening prevention handle according to claim 1, wherein the handle body (300) further comprises a handle (320), the handle (320) and the rotating arm (310) form a fixed connection, and the handle (320) is further provided with anti-slip lines.

5. A handle for preventing self-opening according to claim 1, wherein the door (100) is provided with a through hole (110), the door frame (200) is provided with a through groove (210) corresponding to the through hole (110), wherein the through hole (110) is provided with an outer end edge (111), the through groove (210) is provided with an inner end edge (211), and the holding device (400) is arranged in the through hole (110) and the through groove (210) in a penetrating manner.

6. A self-opening prevention handle according to claim 5, wherein the holding end (420) comprises a catch portion (421) and a restraining portion (422), the catch portion (421) abutting against the inner end edge (211) and the restraining portion (422) abutting against the outer end edge (111) when the holding end (420) holds the door (100) on the door frame (200).