CN110847734A

CN110847734A - Hinge device with angle limiting function

Info

Publication number: CN110847734A
Application number: CN201911191437.7A
Authority: CN
Inventors: 陈成忠; 陈铮; 邱国洪
Original assignee: Zhejiang Zhongzheng Lock Industry Co Ltd
Current assignee: Zhejiang Zhongzheng Lock Industry Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-02-28

Abstract

The invention relates to a hinge device with an angle limiting function, which comprises a convex hinge leaf and a concave hinge leaf which are hinged through a pin shaft, wherein mounting holes are formed in the convex hinge leaf and the concave hinge leaf, a first shaft sleeve hole is formed in the convex hinge leaf, a base is arranged at one end of the first shaft sleeve hole, a guide groove is axially formed in the inner peripheral wall of the first shaft sleeve hole, a spring and a movable crown gear are mounted in the first shaft sleeve hole, a convex edge which is in sliding fit with the guide groove is axially formed in the outer peripheral wall of the movable crown gear, a second shaft sleeve hole and a third shaft sleeve hole are formed in the concave hinge leaf, a fixed crown gear is fixedly arranged in the second shaft sleeve hole and matched with the movable crown gear, and the pin shaft penetrates through the fixed crown gear, the movable crown gear spring and the third shaft sleeve hole to be hinged with the convex hinge leaf and the concave hinge leaf. The design of the invention enables the door leaf to be freely limited at a certain angle, and the door leaf has certain damping and buffering functions when being opened and closed, thereby avoiding sudden impact damage and having the advantages of compact structure, convenient manufacture and strong reliability.

Description

Hinge device with angle limiting function

Technical Field

The present invention relates to a hinge device having an angle limiting function.

Background

Hinges are used in a very wide range of everyday applications, for example, for the articulated mounting of movable components such as door leaves and window leaves. Conventional hinge designs do not have a self-positioning means for securing the door or window sash in an open position. When the door leaf is in an overhead position for a user, such as a cabinet door, the user must maintain the open position of the cabinet door leaf with one hand and take the object with the other hand. The traditional design for positioning the opening position of the door and window generally uses the hinge in cooperation with the positioning mechanism, but the design needs to be additionally provided with the positioning mechanism such as a supporting rod or an air valve and the like, so that the cost is increased, and extra installation space is needed.

Disclosure of Invention

In order to solve the problems that the traditional design for positioning the opening position of the door and window in the prior art needs the hinge to be matched with the positioning mechanism for use, the cost is increased, and extra installation space is needed, the invention provides the hinge device with the angle limiting function, the hinge device with the angle limiting function has a compact structure and is convenient to manufacture, and the door leaf can be positioned at different angles and has a buffering effect on the opening and closing of the door leaf.

The technical scheme adopted by the invention for solving the technical problems is as follows: the hinge comprises a convex chain leaf and a concave chain leaf which are connected in a hinged mode through a pin shaft, wherein mounting holes are formed in the convex chain leaf and the concave chain leaf, a first shaft sleeve hole is formed in the convex chain leaf, one end of the first shaft sleeve hole is provided with a base, a guide groove is axially formed in the inner peripheral wall of the first shaft sleeve hole, a spring and a movable crown gear are mounted in the first shaft sleeve hole, a convex edge in sliding fit with the guide groove is axially formed in the outer peripheral wall of the movable crown gear, a second shaft sleeve hole and a third shaft sleeve hole are formed in the concave chain leaf, a fixed crown gear is fixedly arranged in the second shaft sleeve hole and matched with the movable crown gear, and the pin shaft penetrates through the fixed crown gear, and the movable crown gear spring and the third shaft sleeve hole are connected with the convex chain leaf and the concave.

The hinge pin structure is characterized in that a tooth-shaped gasket is arranged between opposite surfaces of a first shaft sleeve hole in the convex chain leaf and a second shaft sleeve hole in the concave chain leaf, a groove matched with the guide groove is formed in the inner ring of the tooth-shaped gasket, a positioning block is arranged on one side wall of the tooth-shaped gasket at intervals of the groove, positioning grooves are arranged on the inner peripheral wall of the first shaft sleeve hole at intervals of the guide groove, the positioning block is matched with the positioning grooves, a round hole is formed in the tail end of the pin shaft, and the cylindrical pin penetrates through the round hole to fixedly connect.

The inner peripheral wall of the second shaft sleeve hole is axially provided with a positioning convex strip, the outer peripheral wall of the fixed crown gear is axially provided with a slot, and the slot is tightly matched and spliced with the positioning convex strip to fixedly arrange the fixed crown gear in the second shaft sleeve hole.

The protective cover is buckled outside the mounting hole, and a wear-resistant flat gasket is arranged between the outer side of the base of the first shaft sleeve hole and the opposite surface of the concave chain leaf.

Through the specific design, the door leaf can be freely limited at a certain angle, has a certain damping and buffering effect when being opened and closed, avoids sudden impact damage, and has the advantages of compact structure, convenience in manufacture and strong reliability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a sectional view of an assembly structure of the present invention.

Figure 3 is a schematic view of the cooperation of the mobile crown wheel and the fixed crown wheel according to the invention.

In the figure: 1. the hinge pin comprises a hinge pin body, 2, a convex chain leaf, 3, a concave chain leaf, 4, a mounting hole, 5, a first shaft sleeve hole, 6, a base, 7, a guide groove, 8, a spring, 9, a movable crown gear, 10, a convex edge, 11a, a second shaft sleeve hole, 11b, a third shaft sleeve hole, 12, a fixed crown gear, 13, a tooth-shaped gasket, 14, a groove, 15, a positioning block, 16, a positioning groove, 17, a round hole, 18, a cylindrical pin, 19, a positioning convex strip, 20, a slot, 21, a protective cover, 22 and a wear-resistant flat gasket.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the figure, the door hinge comprises a convex hinge leaf 2 and a concave hinge leaf 3 which are hinged through a pin shaft 1, mounting holes 4 are formed in the convex hinge leaf 2 and the concave hinge leaf 3, and a hinge is mounted on a door leaf through the mounting holes 4 and screws. The hinge structure is characterized in that a first shaft sleeve hole 5 is formed in the convex hinge 2, a base 6 is arranged at one end of the first shaft sleeve hole 5, a guide groove 7 is axially formed in the inner peripheral wall of the first shaft sleeve hole 5, a spring 8 and a movable crown gear 9 are installed in the first shaft sleeve hole 5, a convex edge 10 in sliding fit with the guide groove 7 is axially arranged on the outer peripheral wall of the movable crown gear 9, the movable crown gear 9 axially slides in the first shaft sleeve hole 5 in a hinged use state, a second shaft sleeve hole 11a and a third shaft sleeve hole 11b are formed in the concave hinge 3, a fixed crown gear 12 is fixedly arranged in the second shaft sleeve hole 11a, the fixed crown gear 12 is matched with the movable crown gear 9, and a pin shaft 1 penetrates through the fixed crown gear 12, the spring 8 of the movable crown gear 9 and the third shaft sleeve hole 11b to be hinged with the convex hinge 2 and the concave hinge 3. The tooth shapes of the fixed crown gear 12 and the movable crown gear 9 in the design-adjustable hinge can be set with different positioning angles. A tooth-shaped gasket 13 is arranged between opposite surfaces of a first shaft sleeve hole 5 on the convex chain leaf 2 and a second shaft sleeve hole 11a on the concave chain leaf 3, the tooth-shaped gasket 13 is used for reducing friction between the first shaft sleeve hole 5 and the second shaft sleeve hole 11a, a groove 14 matched with the guide groove 7 is arranged on an inner ring of the tooth-shaped gasket 13, positioning blocks 15 are arranged on one side wall of the tooth-shaped gasket 13 at intervals of the groove 14, positioning grooves 16 are arranged on the inner peripheral wall of the first shaft sleeve hole 5 at intervals of the guide groove 7, the positioning blocks 15 are matched with the positioning grooves 16, the matching relation between the positioning blocks 15 and the positioning grooves 16 enables the relative positions of the tooth-shaped gasket 13 and the first shaft sleeve hole 5 to be stable, relative rotation does not exist between the tooth-shaped gasket 13 and the first shaft sleeve hole 5, and. The tail end of the pin shaft 1 is provided with a round hole 17, and a cylindrical pin 18 penetrates through the round hole 17 to fixedly connect the concave chain leaf 3 with the pin shaft 1. The inner peripheral wall of the second shaft sleeve hole 11a is axially provided with a positioning convex strip 19, the outer peripheral wall of the fixed crown gear 12 is axially provided with a slot 20, the slot 20 is tightly matched and inserted with the positioning convex strip 19 to fixedly arrange the fixed crown gear 12 in the second shaft sleeve hole 11a, and the axial position of the fixed crown gear 12 in the second shaft sleeve hole 11a is fixed in a hinged use state. The protective cover 21 is fastened outside the mounting hole 4, and the protective cover 21 can reduce the corrosion of the mounting screw from the outside. A wear-resistant flat gasket 22 is arranged between the outer side of the base 6 of the first shaft sleeve hole 5 and the opposite surface of the concave chain leaf 3. When the concave hinge leaf 3 is fixedly provided with the convex hinge leaf 2 in a hinged use state, the movable crown gear 9 in the first shaft sleeve hole 5 rotates simultaneously due to the matching of the guide groove 7 and the convex rib 10, the movable crown gear 9 is matched with the fixed crown gear 12 during rotation, so that the movable crown gear 9 axially slides in the first shaft sleeve hole 5, the movable crown gear 9 and the fixed crown gear 12 achieve a positioning function through the matching between teeth, and the spring 8 plays a resetting role. When the male hinge 2 is fixedly installed and the female hinge 3 is hinged in a use state, the fixed crown gear 12 rotates along with the second shaft sleeve hole 11a, the fixed crown gear 12 is matched with the movable crown gear 9 during rotation, the movable crown gear 9 axially slides in the first shaft sleeve hole 5, the spring 8 plays a resetting role, and the movable crown gear 9 and the fixed crown gear 12 achieve a positioning function through the matching between teeth. The above-mentioned embodiments are merely illustrative of the preferred embodiments of the hinge device with angle limiting function of the present invention, and do not limit the spirit and scope of the invention, and various shape modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention shall fall within the protection scope of the hinge device with angle limiting function of the present invention.

Claims

1. The utility model provides a hinge means with function is injectd to angle, include through round pin axle hinge convex chain page or leaf and concave chain page or leaf of connecting, be equipped with the mounting hole on convex chain page or leaf and the concave chain page or leaf, characterized by is equipped with first axle trepanning (5) on convex chain page or leaf (2), the one end of first axle trepanning (5) sets up base (6), axial sets up guide way (7) on the internal perisporium of first axle trepanning (5), install spring (8) and activity crown gear (9) in first axle trepanning (5), axial sets up on the periphery wall of activity crown gear (9) bead (10) with guide way (7) sliding fit, be equipped with second axle trepanning (11 a) and third axle trepanning (11 b) on concave chain page or leaf (3), fixed crown gear (12) set firmly in second axle trepanning (11 a), fixed crown gear (12) cooperate with activity crown gear (9), round pin axle (1) passes fixed crown gear (12), The movable crown gear (9) is hinged with the convex chain leaf (2) and the concave chain leaf (3) through a spring (8) and a third shaft sleeve hole (11 b).

2. The hinge device with the angle limiting function according to claim 1, wherein a toothed gasket (13) is arranged between opposite surfaces of a first shaft sleeve hole (5) on the male chain leaf (2) and a second shaft sleeve hole (11 a) on the female chain leaf (3), a groove (14) matched with the guide groove (7) is formed in an inner ring of the toothed gasket (13), positioning blocks (15) are arranged on one side wall of the toothed gasket (13) at intervals of the groove (14), positioning grooves (16) are arranged on the inner peripheral wall of the first shaft sleeve hole (5) at intervals of the guide groove (7), the positioning blocks (15) are matched with the positioning grooves (16), a round hole (17) is formed in the tail end of the pin shaft (1), and the cylindrical pin (18) penetrates through the round hole (17) to fixedly connect the female chain leaf (3) and the pin shaft (1).

3. A hinge device with an angle limiting function according to claim 1 or 2, wherein a positioning rib (19) is axially provided on an inner peripheral wall of the second shaft housing hole (11 a), a slot (20) is axially provided on an outer peripheral wall of the fixed crown gear (12), and the slot (20) is tightly fitted and inserted with the positioning rib (19) to fix the fixed crown gear (12) in the second shaft housing hole (11 a).

4. A hinge device with angle limiting function according to claim 3, wherein the mounting hole (4) is externally fastened with a protective cover (21), and a wear-resistant flat gasket (22) is arranged between the outer side of the base (6) of the first sleeve hole (5) and the opposite surface of the concave chain leaf (3).