CN215718024U

CN215718024U - Adjustable door hinge structure

Info

Publication number: CN215718024U
Application number: CN202121842593.8U
Authority: CN
Inventors: 胡神赐
Original assignee: Dongguan Shengang Precision Metal & Electronic Co ltd
Current assignee: Dongguan Shengang Precision Metal & Electronic Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-01
Anticipated expiration: 2031-08-06

Abstract

The utility model belongs to the technical field of door hinges, and particularly relates to an adjustable door hinge structure which comprises a first connecting piece, a second connecting piece, a supporting sleeve and an adjusting screw; the first connecting piece comprises a connecting plate, a limiting head is arranged at the free end of the connecting plate, and a positioning hole is formed in the upper end of the limiting head; the bottom of the supporting sleeve is of a closed hollow structure, the upper end of the supporting sleeve is of an open hollow structure, one side of the supporting sleeve is provided with a clearance groove, the limiting head is arranged in the supporting sleeve, the connecting plate penetrates through the clearance groove, and the adjusting screw penetrates through the bottom of the supporting sleeve to be connected with the limiting head and is used for adjusting the distance from the top of the connecting plate to the top of the supporting sleeve; one end of the second connecting piece is provided with a supporting piece, the bottom end of the supporting piece is provided with a supporting part, and the bottom of the supporting piece extends downwards to form a positioning rotating shaft for extending into and positioning the positioning hole. The door hinge disclosed by the utility model is convenient to operate and high in adjusting precision when the height position of the door plate is adjusted.

Description

Adjustable door hinge structure

Technical Field

The utility model belongs to the technical field of door hinges, and particularly relates to an adjustable door hinge structure.

Background

The door hinge is used for connecting the door plate and the door frame, so that the door plate can turn over around the door hinge to realize the function of opening and closing the door. The door hinge is required to adjust the installation height of the door after connecting the door panel and the door frame. The existing door hinge is that a waist-shaped hole is arranged on a door panel or a hinge plate on a door frame; when the height position of the door plate is adjusted, the locking screw is loosened, so that the door plate can move up and down, the door plate is lifted up and down to be adjusted to a proper position, and when the door plate is adjusted to the proper position, the hinge is locked by the locking screw; by adopting the adjusting mode, inconvenience is brought to adjustment, the adjusting precision is poor, and after the adjustment is carried out for many times, the screws for locking the door frame or the door plate are loosened from the door frame or the door plate, so that the locking is failed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable door hinge structure, and aims to solve the problems that the conventional door hinge is inconvenient to adjust and locked screws are loosened.

In order to achieve the above object, an adjustable door hinge structure provided in an embodiment of the present invention includes a first connecting member, a second connecting member, a supporting sleeve, and an adjusting screw; the first connecting piece and the second connecting piece are respectively used for connecting the door frame and the door panel; the first connecting piece comprises a connecting plate, a limiting head is arranged at the free end of the connecting plate, and a positioning hole is formed in the upper end of the limiting head; the bottom of the supporting sleeve is of a closed hollow structure, the upper end of the supporting sleeve is of an open hollow structure, one side of the supporting sleeve is provided with a clearance groove, the limiting head is arranged in the supporting sleeve, the connecting plate penetrates through the clearance groove, and the adjusting screw penetrates through the bottom of the supporting sleeve to be connected with the limiting head and is used for adjusting the distance from the top of the connecting plate to the top of the supporting sleeve; one end of the second connecting piece is provided with a supporting piece, the bottom end of the supporting piece is provided with a supporting part, and the bottom of the supporting piece extends downwards to form a positioning rotating shaft for extending into and positioning the positioning hole.

Furthermore, the bottom of the supporting sleeve is provided with an inward-sunken horn-shaped cavity, the head of the adjusting screw is of a conical head structure, and the head of the adjusting screw is sunken in the horn-shaped cavity.

Furthermore, the device also comprises an adjusting support block, wherein the adjusting support block is provided with a screw hole; the free end of the connecting plate is reversely bent and rolled to form a limiting head; the lower extreme of spacing head is provided with the installation breach, adjusts the supporting shoe and locates in the installation breach, and adjusting screw connects the screw of adjusting the supporting shoe.

Further, the one end of installation breach extends to the connecting plate, and the other end forms connecting portion with the tip of spacing head, and one side of adjusting the supporting shoe is provided with the bayonet socket, and bayonet socket one side is spacing in one side of connecting plate, the spacing connecting portion of opposite side.

Furthermore, a soft rubber sleeve is tightly arranged in the lower end of the limiting head, a through hole smaller than the outer diameter of the adjusting screw is sleeved on the soft rubber sleeve, and the adjusting screw penetrates through the soft rubber sleeve to be connected with the adjusting supporting block.

Furthermore, the second connecting piece is of a plate-shaped structure, and one end of the second connecting piece is reversely rolled to form a supporting piece; the positioning rotating shaft penetrates through the supporting piece from top to bottom, and the upper end of the positioning rotating shaft is provided with a limiting table limited at the top end of the supporting piece.

Furthermore, an elastic rubber sleeve is arranged in the supporting piece, and an open slot extending to the lower end is also formed in the upper end of the elastic rubber sleeve; the upper end of the positioning rotating shaft is provided with a conical step surface used for extruding the elastic rubber sleeve outwards.

The bottom end of the elastic rubber sleeve extends outwards to form a convex ring of the supporting part; the bottom of the convex ring is provided with a positioning part which extends downwards and is used for extending into the supporting sleeve.

Furthermore, the first connecting piece also comprises a bottom shell, a cover plate, a supporting screw and a locking screw; a clearance gap is formed in one side edge of the bottom shell, and one end of the connecting plate penetrates through the clearance gap; the cover plate covers the bottom shell and is used for limiting the connecting plate; one end of the connecting plate, which extends into the bottom shell, is provided with a connecting screw hole, and the supporting screw is connected with the connecting screw hole and the end part of the supporting screw is supported in the bottom shell; the bottom of drain pan is provided with the locking screw, and locking screw passes the connecting plate and is connected with the locking screw.

Further, the connecting plate comprises a first connecting part, a second connecting part and an arc steering part for connecting the first connecting part and the second connecting part; the first connecting part and the second connecting part are arranged in a staggered manner; the arc steering part and the first connecting part form a clamping angle which is used for being clamped at the inner side right-angle position of the clearance gap.

Furthermore, the first connecting piece also comprises an adjusting cam, and the adjusting cam comprises a connecting part and an eccentric adjusting part; a connecting hole is formed in the connecting plate, and a vertically arranged adjusting groove is formed in the bottom of the bottom shell; the connecting part is rotationally connected with the connecting hole, and the eccentric adjusting part extends into the adjusting groove.

The bottom of the bottom shell is also provided with a guide groove which is transversely arranged, and the bottom of the supporting screw is also provided with a positioning bulge which extends into the guide groove.

One or more technical solutions in the adjustable door hinge structure provided by the embodiment of the present invention at least have the following technical effects:

1. the first connecting piece is locked on the door frame, the second connecting piece is locked on the door plate, when the door plate is installed on the door frame, the positioning rotating shaft is positioned in the positioning hole, and the supporting piece is supported at the upper end of the supporting sleeve. When the high position of door plant is adjusted in needs, can adopt the screwdriver to rotate adjusting screw, then reach the length of being connected with the spacing head that changes adjusting screw, because the high position of door frame and connecting plate is fixed, consequently reach the high position that promotes the support sleeve, and the support sleeve plays the effect of support to second connecting piece and door plant, and then realizes adjusting the high position of door plant. When the door hinge is used for adjusting the height position of the door plate, the height of the door plate can be adjusted by rotating the adjusting screw by using a screwdriver, so that the door hinge is convenient to operate and high in adjusting precision; and the problems that the first connecting piece is not loosened from the door frame and the second connecting piece is not loosened from the door plate can not be caused.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a structural diagram of an adjustable door hinge structure according to an embodiment of the present invention.

Fig. 2 is a structural diagram of an assembled adjustable door hinge structure according to an embodiment of the present invention.

Fig. 3 is a front view of the assembled adjustable door hinge structure according to the embodiment of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is an exploded view of a first connecting member of an adjustable door hinge structure according to an embodiment of the present invention.

Fig. 6 is an exploded view of a second connecting member of an adjustable door hinge structure according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 to 4, an adjustable door hinge structure includes a first connector 100, a second connector 200, a support sleeve 300, and an adjustment screw 400. The first and

second connectors

100 and 200 are used to connect the door frame and the door panel, respectively. The first connecting member 100 includes a connecting plate 110, a limiting head 111 is disposed at a free end of the connecting plate 110, and a positioning hole 112 is disposed at an upper end of the limiting head 111. The bottom of support sleeve 300 is closed, the upper end is open-ended hollow structure, and one side of support sleeve 300 is provided with clearance groove 301, and spacing head 111 is located in support sleeve 300, and connecting plate 110 passes clearance groove 301, and adjusting screw 400 passes the bottom of support sleeve 300 and is connected with spacing head 111 for the distance of adjusting connecting plate 110 top to support sleeve 300 top. One end of the second connector 200 is provided with a supporting member 210, the bottom end of the supporting member 210 is provided with a supporting portion 220, and the bottom of the supporting member 210 extends downwards to form a positioning rotating shaft 230 for extending into and positioning in the positioning hole 112. The door hinge of the present embodiment is to lock the first connector 100 to the door frame, lock the second connector 200 to the door panel, and when the door panel is mounted to the door frame, the positioning rotation shaft 230 is positioned in the positioning hole 112, and the support member 210 is supported at the upper end of the support sleeve 300. When the height position of the door panel needs to be adjusted, the screwdriver can be adopted to rotate the adjusting screw 400, the length of the adjusting screw 400 connected with the limiting head 111 is changed, the height position of the door frame and the connecting plate 110 is fixed, the height position of the supporting sleeve 300 is pushed, the supporting sleeve 300 plays a supporting role for the second connecting piece 200 and the door panel, and the height position of the door panel is adjusted. When the door hinge of the embodiment is used for adjusting the height position of the door panel, the height of the door panel can be adjusted by rotating the adjusting screw 400 by using a screwdriver, so that the operation is convenient, and the adjusting precision is high; and the problems that the first connecting piece 100 is not loosened from the door frame and the second connecting piece 200 is not loosened from the door panel are not caused.

Further, referring to fig. 4, the bottom of the support sleeve 300 is provided with an inwardly recessed trumpet-shaped cavity, the head of the adjusting screw 400 is of a cone head structure, and the head of the adjusting screw 400 sinks in the trumpet-shaped cavity. In this embodiment, not only the head of the adjusting screw 400 can be sunk into the cavity, but also the stress areas of the adjusting screw 400 and the supporting sleeve 300 can be increased, the force arm at the bottom of the supporting sleeve 300 can be reduced, the supporting cavity at the bottom of the supporting sleeve 300 can be increased, and the deformation can be avoided.

Further, referring to fig. 1 to 5, the door hinge of the present embodiment further includes an adjusting support block 500, and the adjusting support block 500 is provided with a screw hole. The free end of the web 110 is bent back to form a stopper 111. The lower end of the limiting head 111 is provided with an installation notch 114, the adjusting support block 500 is arranged in the installation notch 114, and the adjusting screw 400 is connected with the screw hole of the adjusting support block 500. In this embodiment, the end of the connecting plate 110 is reversely rolled inward to form the limiting head 111, so that the production process is simple, and the strength of the limiting head 111 can be increased. The lower end of the limiting head 111 is provided with an installation gap 114, the adjusting support block 500 is arranged in the installation gap 114, and the adjusting screw 400 sequentially passes through the bottom of the support sleeve 300, the limiting head 111 and a screw hole of the adjusting support block 500, so that the length of the adjusting screw 400 extending into the adjusting support block 500 is changed by rotating the adjusting screw 400, and the support sleeve 300 is pushed to move upwards or downwards; so as to adjust the height of the door panel.

Further, referring to fig. 1 to 5, one end of the mounting notch 114 extends to the connection plate 110, and the other end forms a connection portion 115 with an end of the stopper 111. One side of the adjusting support block 500 is provided with a bayonet 501, one side of the bayonet 501 is limited on one side of the connecting plate 110, and the other side is limited on the connecting part 115. In this embodiment, the bayonet 501 is used to clamp the connecting portion 115 and the connecting plate 110, so that when the adjusting screw 400 is rotated, the problem that the adjusting support block 500 rotates along with the door panel can be effectively avoided, and the adjusting screw 400 can be ensured to normally and effectively adjust the height of the door panel. And the bayonet is used for clamping the connecting plate 110 and the connecting part 115, so that the problem that the opening part of the limiting head 111 formed by rolling is opened, namely, the opening part of the limiting head 111 formed after rolling is opened, can be effectively avoided.

Further, referring to fig. 4 and 5, a soft rubber sleeve 116 is further tightly arranged in the lower end of the limiting head 111, the soft rubber sleeve 116 is provided with a through hole smaller than the outer diameter of the adjusting screw 400, and the adjusting screw 400 penetrates through the soft rubber sleeve 116 to be connected with the adjusting support block 500. In the embodiment, the soft rubber sleeve 116 is used for fixing the adjusting screw 400, so that the adjusting screw 400 is prevented from shaking; the problem that the adjusting screw 400 is loosened and falls off is effectively avoided.

Further, referring to fig. 1 to 4 and 6, the second connector 200 has a plate-shaped structure, and one end of the second connector 200 is reversely rounded to form a supporter 210. The positioning shaft 230 penetrates through the support member 210 from top to bottom, and a limiting table 231 for limiting the top end of the support member 210 is disposed at the upper end of the positioning shaft 230. The support member 210 is formed in a rolling manner, so that the process is simple, and the strength of the support member 210 can be ensured.

Further, referring to fig. 4 and 6, an elastic rubber cover 211 is further disposed in the supporting member 210, and an open groove 212 extending to a lower end is further disposed at an upper end of the elastic rubber cover 211. The upper end of the positioning rotating shaft 230 is provided with a tapered step 232 surface for extruding the elastic rubber cover 211 outwards. In this embodiment, after the elastic rubber cover 211 is installed in the through hole of the supporting member 210, when the positioning rotating shaft 230 passes through the elastic rubber cover 211, the elastic rubber cover can play a role in folding the positioning rotating shaft 230, thereby avoiding the problem that the positioning rotating shaft 230 falls off from the supporting member 210. When the positioning rotating shaft 230 is installed in the supporting member 210, the mouth of the elastic rubber cover 211 is spread by the tapered step surface 232, so that the elastic rubber cover 211 can be clamped on the inner wall of the supporting member 210, and the holding force of the elastic rubber cover 211 on the positioning rotating shaft 230 is increased.

Further, referring to fig. 4 and 6, the bottom end of the elastic rubber cover 211 extends outwards to form a convex ring of the supporting portion 220; the bottom of the convex ring is provided with a positioning part 221 extending downwards and used for extending into the supporting sleeve 300 to play a positioning role. In this embodiment, the soft rubber sleeve is used to contact and support the supporting sleeve 300, so that the supporting sleeve 300 and the supporting member 210 can be protected, and the problem that the supporting sleeve 300 and the supporting member 210 are worn when the door rotates is avoided.

Further, referring to fig. 5, the first connector 100 further includes a bottom case 120, a cover plate 130, a support screw 140, and a locking screw 150. A clearance gap 121 is formed on one side of the bottom case 120, and one end of the connecting plate 110 passes through the clearance gap 121. The cover plate 130 covers the bottom case 120 and is used for limiting the connecting plate 110; one end of the connection plate 110 extending into the bottom case 120 is provided with a connection screw hole 119, and the support screw 140 is connected with the connection screw hole 119 and supported at the end inside the bottom case 120. The bottom of the bottom case 120 is provided with locking screw holes, and the locking screws 140 penetrate the connection plate 110 to be connected with the locking screw holes. In this embodiment, when the flatness of the closed door panel needs to be adjusted, the locking screw 140 is loosened, and the swing angle of the connecting plate 110 is adjusted by adjusting the supporting screw 140, so as to adjust the angle of the door panel, and after the door panel is adjusted to a reasonable angle, the connecting plate 110 is locked by the locking screw 150, so as to adjust the angle of the door panel.

Further, referring to fig. 5, the connection plate 110 includes a first connection portion and a second connection portion, and a circular arc diverting portion 117 connecting the first connection portion and the second connection portion. The first connecting part and the second connecting part are arranged in a staggered manner. The arc turning part 117 and the first connecting part form a clamping angle 118 for clamping at the inner right-angle position of the clearance gap 121. In this embodiment, when the angle of the connecting plate 110 is adjusted, the clamping corner 118 is clamped at the right angle position inside the clearance gap 121 and rotates around the right angle position, so that the right angle formed by the top surface and the side surface of the clearance gap 121 is prevented from directly contacting the inner side surface of the connecting plate 110, and the right angle is prevented from deforming.

Further, referring to fig. 5, the first link 100 further includes an adjustment cam 160, and the adjustment cam 160 includes an eccentrically disposed link portion and an eccentric adjustment portion; a connecting hole is formed in the connecting plate 110, and a vertically arranged adjusting groove 122 is formed in the bottom of the bottom shell 120; the connecting portion is rotatably connected to the connecting hole, and the eccentric adjusting portion extends into the adjusting groove 122. In this embodiment, when the door gap of the door closed is to be adjusted, the locking screw 150 is loosened, the eccentric portion rotates in the adjustment groove 122 by rotating the adjustment cam 160, and the eccentric portion pushes the connection plate 110 to extend out of the bottom shell 120, so as to adjust the gap between the door closed and the door frame.

The bottom of the bottom shell 120 is further provided with a guide groove 123 arranged transversely, and the bottom of the support screw 140 is further provided with a positioning protrusion 141 extending into the guide groove 123. When the connection plate 110 is adjusted, it is slidably guided in the guide groove 123 by the protrusion 141.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable door hinge structure is characterized by comprising a first connecting piece, a second connecting piece, a supporting sleeve and an adjusting screw; the first connecting piece and the second connecting piece are respectively used for connecting a door frame and a door panel; the first connecting piece comprises a connecting plate, a limiting head is arranged at the free end of the connecting plate, and a positioning hole is formed in the upper end of the limiting head; the bottom of the supporting sleeve is of a closed hollow structure, the upper end of the supporting sleeve is of an open hollow structure, one side of the supporting sleeve is provided with a clearance groove, the limiting head is arranged in the supporting sleeve, the connecting plate penetrates through the clearance groove, and the adjusting screw penetrates through the bottom of the supporting sleeve to be connected with the limiting head and is used for adjusting the distance from the top of the connecting plate to the top of the supporting sleeve; one end of the second connecting piece is provided with a supporting piece, the bottom end of the supporting piece is provided with a supporting part, and a positioning rotating shaft extends downwards from the bottom of the supporting piece and is used for extending into and positioning in the positioning hole.

2. The adjustable door hinge structure of claim 1, wherein: the bottom of the supporting sleeve is provided with an inward-sunken horn-shaped cavity, the head of the adjusting screw is of a conical head structure, and the head of the adjusting screw sinks in the horn-shaped cavity.

3. The adjustable door hinge structure of claim 1, wherein: the device also comprises an adjusting supporting block, wherein the adjusting supporting block is provided with a screw hole; the free end of the connecting plate is reversely bent to form the limiting head; the lower extreme of spacing head is provided with the installation breach, adjust the supporting shoe and locate in the installation breach, adjusting screw connects the screw of adjusting the supporting shoe.

4. An adjustable door hinge structure according to claim 3, wherein: one end of the mounting notch extends to the connecting plate, the other end of the mounting notch and the end of the limiting head form a connecting part, a bayonet is arranged on one side of the adjusting supporting block, one side of the bayonet is limited on one side of the connecting plate, and the other side of the bayonet is limited on the connecting part.

5. An adjustable door hinge structure according to claim 3, wherein: the lower end of the limiting head is further internally and tightly provided with a soft rubber sleeve, the soft rubber sleeve is provided with a through hole smaller than the outer diameter of the adjusting screw, and the adjusting screw penetrates through the soft rubber sleeve to be connected with the adjusting supporting block.

6. An adjustable door hinge structure according to any one of claims 1 to 5, wherein: the second connecting piece is of a plate-shaped structure, and one end of the second connecting piece is reversely rolled to form the supporting piece; the positioning rotating shaft penetrates through the supporting piece from top to bottom, and a limiting table which is limited at the top end of the supporting piece is arranged at the upper end of the positioning rotating shaft.

7. The adjustable door hinge structure of claim 6, wherein: an elastic rubber sleeve is further arranged in the supporting piece, and an open slot extending to the lower end is further formed in the upper end of the elastic rubber sleeve; the upper end of the positioning rotating shaft is provided with a conical step surface used for extruding the elastic rubber sleeve outwards;

the bottom end of the elastic rubber sleeve extends outwards to form a convex ring of the supporting part; the bottom of bulge loop is provided with downwardly extending's location portion for stretch into in the support sleeve.

8. An adjustable door hinge structure according to any one of claims 1 to 5, wherein: the first connecting piece also comprises a bottom shell, a cover plate, a supporting screw and a locking screw; a clearance gap is formed in one side edge of the bottom shell, and one end of the connecting plate penetrates through the clearance gap; the cover plate covers the bottom shell and is used for limiting the connecting plate; one end of the connecting plate, which extends into the bottom shell, is provided with a connecting screw hole, the supporting screw is connected with the connecting screw hole, and the end part of the supporting screw is supported in the bottom shell; and the bottom of the bottom shell is provided with a locking screw hole, and the locking screw penetrates through the connecting plate to be connected with the locking screw hole.

9. The adjustable door hinge structure of claim 8, wherein: the connecting plate comprises a first connecting part, a second connecting part and an arc steering part for connecting the first connecting part and the second connecting part; the first connecting part and the second connecting part are arranged in a staggered manner; the arc steering part and the first connecting part form a clamping angle which is used for clamping at the inner side right angle position of the clearance gap.

10. The adjustable door hinge structure of claim 8, wherein: the first connecting piece further comprises an adjusting cam, and the adjusting cam comprises a connecting part and an eccentric adjusting part; the connecting plate is provided with a connecting hole, and the bottom of the bottom shell is provided with a vertically arranged adjusting groove; the connecting part is rotationally connected with the connecting hole, and the eccentric adjusting part extends into the adjusting groove;

the bottom of drain pan still is provided with the guide way of horizontal setting, the bottom of support screw still is provided with and stretches into the location arch in the guide way.