Top and bottom hinge

Abstract

The utility model discloses a heaven and earth hinge which comprises the following components: an upper hinge which comprises an upper shaft fixing seat and a shaft sleeve assembly, the upper shaft fixing seat is provided with a shaft hole, and the shaft sleeve assembly is fixed in the shaft hole through a shaft rod; according to the heaven and earth hinge provided by the utility model, the convex points are matched with the fixed-point grooves to form multi-angle offset positioning on the wedging end, and the direction of the central axis of the horizontal end is the direction of mounting a door and the direction of completely closing the door. The position of a middle axial surface which rotates and intersects in the lifting assembly is the lowest position of a spiral surface of the lifting assembly, namely the position where automatic rotation stops; the central fixed-point groove is matched with the fixed-point groove deviating from the side face needing to deviate, so that the central axial face deviates from the position where the door should be completely closed, and the effect that the door is not completely closed when the door is automatically closed in a rotating mode can be achieved. The door which is automatically rotated and closed can be separated from the door which is actively and completely closed by people, and particularly when a plurality of doors exist at the same time, the door can be identified by observing whether the doors are tightly closed or not.

Description

Technical Field

[0001] The utility model relates to the technical field of floor hinges, in particular to a floor hinge. Background Art

[0002] In the prior art, the door panel and the door frame are usually supported and fastened by a top and bottom lifting hinge or an external flat-mounted lifting hinge. The top and bottom hinge generally includes a lifting lower hinge assembly, an upper lifting core, a lifting upper hinge fixing seat, a flat opening lower hinge assembly, a nylon sleeve and a flat opening upper hinge fixing seat. The lifting lower hinge assembly and the flat opening lower hinge assembly are both connected with a hinge fixing plate. In traditional doors equipped with top and bottom hinges, torsion springs are often used to achieve the effect of automatic hinges to achieve automatic door closing.

[0003] In some occasions, such as cubicles in public restrooms, it is necessary to use doors that can automatically hinge and close to avoid directly seeing the situation inside the cubicle; however, if the door automatically closes completely when no one is using it, it will give people who come to use the cubicle the illusion that someone is inside and the cubicle cannot be used. Therefore, it is also necessary to distinguish between the two states of someone using the manually closed door and no one using the automatically hinged door, so as to achieve a more convenient and more humane user experience. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a floor hinge to meet the current needs of the general public.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A floor hinge, comprising:

[0007] The upper hinge includes an upper shaft fixing seat and a shaft sleeve assembly, wherein the upper shaft fixing seat is provided with a shaft hole, and the shaft sleeve assembly is fixed in the shaft hole through a shaft rod, and the upper shaft fixing seat is connected to the shaft rod by a fastener pressing the upper shaft fixing seat through a gasket;

[0008] The lower hinge includes a lower shaft fixing seat and a lifting assembly. The lifting assembly is sleeved on the mating end of the lower shaft fixing seat through a shaft column and cooperates with a fixed point groove. The lifting assembly forms a multi-angle offset positioning on the mating end through a convex point cooperating with the fixed point groove, wherein the convex point is located in the lower lifting component in the lifting assembly, and the upper lifting component is sleeved on the top of the lower lifting component.

[0009] Furthermore, the upper shaft fixing seat and the lower shaft fixing seat are both composed of a horizontal end and a vertical end, and the outer corner surfaces thereof are provided with a reinforcement portion.

[0010] Furthermore, the shaft sleeve assembly includes a shaft rod, an elastic member and a shaft sleeve for wrapping, the shaft rod is pressed against an inner cage of the shaft sleeve through the elastic member, and the shaft sleeve is a sleeve integrally connected to a fixed surface.

[0011] Furthermore, the fixed-point grooves are symmetrically and evenly arranged on the side of the mating end with respect to the central axis of the lower shaft fixing seat. Similarly, the protrusions that fit the fixed-point grooves are also symmetrically arranged. Specifically, there are four groups of fixed-point grooves, and two of them are offset to the outward sides as a unit, forming three groups of different angles.

[0012] Furthermore, the lower lifting assembly includes a connecting sleeve and a spiral sleeve, the upper lifting assembly includes a matching plate and a nut sleeve, and the nut sleeve is provided with an inner cage groove matching the spiral sleeve, and the surface of the nut sleeve is provided with a groove.

[0013] Beneficial effects of the utility model:

[0014] The utility model forms a multi-angle offset positioning on the mating end by cooperating with the convex point and the fixed point groove. The direction of the central axis of the horizontal end is the direction of door installation, and is also the direction of the door when it is fully closed. The location of the central axis surface of the internal rotation intersection in the lifting assembly is the lowest point of its spiral surface, which is also the place where the automatic rotation stops; by cooperating with the fixed point groove offset to the side to be offset by the central fixed point groove, the central axis surface deviates from the position where the door should be fully closed, so as to achieve the effect of incomplete closure when the door is automatically rotated and closed. This kind of door that automatically rotates and closes can be distinguished from a door that is actively completely closed by a person, especially when there are multiple doors at the same time, it can be clearly identified by observing whether the door is closed tightly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 This is one of the schematic diagrams of the lower hinge structure in the utility model;

[0017] Figure 2 This is the second schematic diagram of the lower hinge structure in the utility model;

[0018] Figure 3 This is one of the schematic diagrams of the upper hinge structure in the utility model;

[0019] Figure 4 This is the second schematic diagram of the upper hinge structure in the utility model;

[0020] Figure 5 It is a schematic diagram of the lifting assembly structure in the utility model.

[0021] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] according to Figure 1-Figure 5 As shown,

[0024] A floor hinge, comprising:

[0025] The upper hinge 10 includes an upper shaft fixing seat 1 and a shaft sleeve assembly 2, wherein the upper shaft fixing seat 1 is provided with a shaft hole 11, and the shaft sleeve assembly 2 is fixed in the shaft hole 11 through a shaft rod 21, and the upper shaft fixing seat 1 is pressed by a fastener 5 through a gasket 51 to connect the shaft rod 21, and the fastener 5 is preferably a screw thread to fix the shaft rod 21;

[0026] The lower hinge 20 includes a lower shaft fixing seat 3 and a lifting assembly 4. The lifting assembly 4 is sleeved on the mating end 32 of the lower shaft fixing seat 3 through a shaft column 31 and cooperates with a fixed groove 33. The lifting assembly 4 forms a multi-angle offset positioning on the mating end 32 through a convex point 41 that cooperates with the fixed groove 33. The convex point 41 is located at a lower lifting component 42 in the lifting assembly 4, and an upper lifting component 43 is sleeved on the upper part of the lower lifting component 42.

[0027] Specifically, the upper shaft fixing seat 1 and the lower shaft fixing seat 3 are both composed of a horizontal end 100 and a vertical end 200, and the outer corner surface thereof is provided with a reinforcing portion 300. In the present structure, the horizontal end 100 of the reinforcing portion 300 is used to connect other components, and the vertical end 200 is fixed to the frame through a mounting hole.

[0028] In the present structure, the sleeve assembly 2 includes a shaft rod 21, an elastic member and a sleeve 22 for wrapping. Specifically, the shaft rod 21 is pressed against the inner cage of the sleeve 22 by the elastic member. The sleeve 22 is a sleeve 221 integrally connected with a fixed surface 222. In the present structure, the sleeve assembly 2 is formed to cooperate with the lower hinge 20, and is preferably the above-mentioned structural component with resilience.

[0029] In this structure, the fixed point grooves 33 are symmetrically and evenly arranged on the side of the mating end 32 with respect to the central axis of the lower shaft fixing seat 3. Similarly, the protrusions 41 that fit the fixed point grooves 33 are also symmetrically arranged. Specifically, the fixed point grooves 33 are four groups, and two of them are offset to the outward sides as a unit, forming three groups of different angles.

[0030] Specifically, the lower lifting assembly 42 includes a connecting sleeve 421 and a spiral sleeve 422, and the upper lifting assembly 43 includes a matching plate 431 and a nut sleeve 432, and the nut sleeve 432 has an inner cage groove matching the spiral sleeve 422, and the surface of the nut sleeve 432 is provided with a groove 400, wherein, as Figure 5 The inner cage groove is a limiting inner cage groove for matching the existing nut sleeve 432, and the limiting inner cage groove is integrally formed with the nut sleeve 432 in this structural diagram. In this structure, the groove 400 and the through hole of the matching shaft column 31 form a cross groove, and the cross groove is for better external components to be installed on the door at the same time.

[0031] The direction of the central axis of the horizontal end 100 is the direction in which the door is installed, and is also the direction in which the door is fully closed. The location of the central axis surface of the internal rotation intersection in the lifting assembly 4 is the lowest point of its spiral surface, which is also the point where the automatic rotation stops; by coordinating the fixed point groove 33 in the center to the side offset to be offset, the central axis surface deviates from the position where the door should be fully closed, so that the effect of incomplete closure when the door is automatically rotated can be achieved. This automatically rotating closed door can be distinguished from a door that is actively fully closed by a person, especially when there are multiple doors at the same time, it can be clearly identified by observing whether the door is closed tightly.

[0032] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A top and bottom hinge, characterized in that: include: The upper hinge includes an upper shaft fixing seat and a shaft sleeve assembly, wherein the upper shaft fixing seat is provided with a shaft hole, and the shaft sleeve assembly is fixed in the shaft hole through a shaft rod, and the upper shaft fixing seat is connected to the shaft rod by a fastener pressing the upper shaft fixing seat through a gasket; The lower hinge includes a lower shaft fixing seat and a lifting assembly. The lifting assembly is sleeved on the mating end of the lower shaft fixing seat through a shaft column and cooperates with a fixed point groove. The lifting assembly forms a multi-angle offset positioning on the mating end through a convex point cooperating with the fixed point groove, wherein the convex point is located in the lower lifting component in the lifting assembly, and the upper lifting component is sleeved on the top of the lower lifting component.

2. A floor hinge according to claim 1, characterized in that: The upper shaft fixing seat and the lower shaft fixing seat are both composed of a horizontal end and a vertical end, and the outer corner surfaces thereof are provided with a reinforcement portion.

3. The top and bottom hinge according to claim 1, characterized in that: The shaft sleeve assembly includes a shaft rod, an elastic member and a shaft sleeve for wrapping. The shaft rod is pressed against an inner cage of the shaft sleeve through the elastic member, and the shaft sleeve is a sleeve integrally connected with a fixed surface.

4. The top and bottom hinge according to claim 1, characterized in that: The fixed point grooves are symmetrically and evenly arranged on the side of the mating end with respect to the central axis of the lower shaft fixing seat. Similarly, the convex points that fit the fixed point grooves are also symmetrically arranged. Specifically, there are four groups of fixed point grooves, and two of them are offset to the outside sides as a unit, forming three groups of different angles.

5. The top and bottom hinge according to claim 1, characterized in that: The lower lifting component includes a connecting sleeve and a spiral sleeve, and the upper lifting component includes a matching plate and a nut sleeve. The nut sleeve is provided with an inner cage groove matching the spiral sleeve, and a groove is provided on the surface of the nut sleeve.

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