Symmetrical hidden rotating shaft inward and outward opening hinge
By using a symmetrical, concealed hinge structure that allows for both internal and external opening, the problem of exposed shower room hinges is solved, resulting in improved aesthetics and waterproofing, and extended service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-17
- Publication Date
- 2026-04-07
AI Technical Summary
Existing shower enclosure hinges have a large exposed portion when in their natural state, which is not aesthetically pleasing.
The device employs a symmetrical, concealed hinge structure with inward and outward opening. By setting cavities and hinge seats on the stationary and moving hinges, combined with a sliding cover and limit screws, the hinge is concealed. Waterproof gaskets and baffles seal the mounting holes to prevent water infiltration.
It effectively prevents water from seeping into the hinge, reduces exposed parts, and improves aesthetics and service life.
Smart Images

Figure CN224093192U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hinge, especially a hinge for a shower room. BACKGROUND
[0002] The applicant submitted a patent application on October 21, 2024, application number 2024225408926. The technical solution of this hinge is: a concave cavity is arranged at one end of the hinge seat close to the stationary page, an installation hole penetrating through the upper and lower ends is arranged in the concave cavity, a rotating shaft is fixedly installed in the installation hole, the stationary page is provided with a connecting sleeve, the connecting sleeve is sleeved on the outside of the rotating shaft, a first waterproof rubber pad is installed on the inside of the hinge seat, the first waterproof rubber pad is provided with a waterproof baffle, after assembly, the waterproof baffle seals the installation hole, effectively preventing water from seeping into the rotating shaft and preventing internal rusting, thereby improving the service life. However, in the natural state, there are still many exposed parts on the opposite side of the hinge seat, and the aesthetic appearance is not high enough. SUMMARY
[0003] In order to overcome the shortcomings of the prior art, the utility model provides a symmetrical hidden rotating shaft inside-out hinge.
[0004] The technical scheme adopted by the utility model to solve its technical problems is:
[0005] A symmetrical hidden rotating shaft inside-out hinge, comprising a stationary page and a movable page, the movable page comprising a first hinge seat and a second hinge seat, the first hinge seat being provided with a concave cavity at one end close to the stationary page, a rotating shaft being installed in the concave cavity, the stationary page being provided with a rotating shaft seat at one end close to the movable page, the rotating shaft seat being provided with a rotating shaft hole for inserting the rotating shaft, after assembly, the rotating shaft seat being inserted into the concave cavity, the rotating shaft being hinged in the rotating shaft hole; the second hinge seat being fixedly installed on the opposite side of the first hinge seat, a first face cover being slidingly installed on the front side of the first hinge seat, a second face cover being slidingly installed on the back side of the second hinge seat, in the natural state, the first face cover and the second face cover covering the outside of the rotating shaft seat, so that a small gap is formed between the stationary page and the movable page.
[0006] As a further improvement of the utility model, a mounting hole penetrating through the upper and lower ends is arranged in the concave cavity, the rotating shaft is installed between the two mounting holes, a first waterproof rubber pad is installed on the inside of the first hinge seat, the first waterproof rubber pad is provided with a waterproof baffle, after assembly, the waterproof baffle seals the mounting hole.
[0007] As a further improvement of the utility model, a screw hole penetrating through the upper and lower ends is arranged in the concave cavity, a limiting screw is installed in each of the two screw holes, an arc-shaped rotating groove with one end open is arranged on the upper and lower sides of the rotating shaft seat, after assembly, the limiting screw slides in the rotating groove.
[0008] As a further improvement of the utility model, the upper and lower sides of the first hinge seat are respectively provided with first sliding rails, the inner side of the first cover is provided with first sliding grooves corresponding to the first sliding rails, and after assembly, the first sliding rails are slidingly installed in the first sliding grooves.
[0009] As a further improvement of the utility model, the upper and lower sides of the second hinge seat are respectively provided with second sliding rails, the inner side of the second cover is provided with second sliding grooves corresponding to the second sliding rails, and after assembly, the second sliding rails are slidingly installed in the second sliding grooves.
[0010] As a further improvement of the utility model, the front side of the first hinge seat is provided with a plurality of first sliding grooves, one end of the first sliding groove away from the cavity is open, a first connecting piece is installed at the opening, the inner side of the first cover is provided with a first protruding block corresponding to the first sliding groove, a first spring is installed in the first sliding groove, after assembly, one end of the first spring is fixedly connected with the first connecting piece, and the other end is abutted against the side wall of the first protruding block.
[0011] As a further improvement of the utility model, the rear side of the second hinge seat is provided with a plurality of second sliding grooves, one end of the second sliding groove away from the stationary leaf is open, a second connecting piece is installed at the opening, the inner side of the second cover is provided with a second protruding block corresponding to the second sliding groove, a second spring is installed in the second sliding groove, after assembly, one end of the second spring is fixedly connected with the second connecting piece, and the other end is abutted against the side wall of the second protruding block.
[0012] As a further improvement of the utility model, the outer sides of the first connecting piece and the second connecting piece are respectively provided with a plurality of anti-collision rubber pads, after assembly, the inner side wall of one end of the first cover or the second cover is abutted against the anti-collision rubber pad.
[0013] As a further improvement of the utility model, the front and rear sides of the rotating shaft seat are respectively provided with sliding rubber pads, the end surfaces of the first cover and the second cover close to the stationary leaf are respectively provided with arc-shaped portions, when the movable leaf rotates outwardly or inwardly, the surface of the arc-shaped portion is in contact with the surface of the sliding rubber pad, then the first spring or the second spring is elastically deformed, the first cover or the second cover slides outwardly relative to the first hinge seat or the second hinge seat, the movable leaf stops rotating outwardly, the first spring or the second spring is elastically restored, and the first cover or the second cover slides towards the stationary leaf.
[0014] As a further improvement of the utility model, the inner side of the first hinge seat is provided with a plurality of screw seats, the second hinge seat is provided with screw through holes corresponding to the screw seats, after assembly, the screw passes through the screw through hole and is in threaded connection with the screw seat.
[0015] The utility model discloses the beneficial effect is: the utility model discloses the first hinge seat and the second hinge seat of symmetrical structure, the recessed cavity is provided with the shaft in the recessed cavity, the shaft seat is provided with the shaft hole for the shaft insertion, after assembly, the shaft seat inserts into the recessed cavity, and the shaft is hinged in the shaft hole, makes the shaft seat hide in the movable page, can avoid water infiltration to the shaft on one hand, reduces the exposed part on the other hand, improves the degree of appearance.
[0016] In addition, the second hinge seat is fixedly installed on the opposite side of the first hinge seat, the first face cover is slidably installed on the front side of the first hinge seat, the second face cover is slidably installed on the rear side of the second hinge seat, in the natural state, the first face cover and the second face cover cover the outside of the shaft seat, so that a micro gap is formed between the stationary page and the movable page, further reducing the exposed part, making the overall appearance more flat and beautiful. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further explained in connection with the drawings and examples.
[0018] Figure 1 It is the structural schematic diagram of the utility model.
[0019] Figure 2 It is the partial structure exploded view of the utility model.
[0020] Figure 3 It is the structure exploded view of the first hinge seat.
[0021] Figure 4 It is the structural schematic diagram of the front side of the first hinge seat.
[0022] Figure 5 It is the structure sectional view of the first hinge seat.
[0023] Figure 6 It is the structural schematic diagram of the second hinge seat.
[0024] Figure 7 It is the structure exploded view of the second hinge seat.
[0025] Figure 8 It is the structural schematic diagram of the rear side of the second hinge seat.
[0026] Figure 9 It is the first use state schematic diagram of the utility model.
[0027] Figure 10 is the second use state schematic diagram of the utility model. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further explained in detail below in combination with specific embodiments and referring to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0029] It is understood that the above description is only exemplary and is not intended to limit the scope of the utility model.
[0030] Some embodiments of the utility model are described below in combination with the drawings to provide a kind of.
[0031] Referring to Figures 1 to 10 , a symmetrical hidden hinge inside and outside rotating shaft, including static page 1 and active page 2, the active page 2 includes first hinge seat 3 and second hinge seat 4, the first hinge seat 3 is provided with recess 31 close to one end of the static page 1, the rotating shaft 32 is installed in the recess 31, the static page 1 is provided with rotating shaft seat 11 close to one end of the active page 2, the rotating shaft seat 11 is provided with rotating shaft hole 12 for the rotating shaft 32 insertion, after assembly, the rotating shaft seat 11 is inserted into the recess 31, the rotating shaft 32 is hinged in the rotating shaft hole 12, makes rotating shaft seat 11 hide in active page 2, on the one hand, can avoid water infiltration to rotating shaft 32, on the other hand, reduce the exposed part of rotating shaft 32, improve the degree of beauty. The second hinge seat 4 is fixedly installed on the opposite side of the first hinge seat 3, the front side of the first hinge seat 3 is slidably installed with first face cover 33, the rear side of the second hinge seat 4 is slidably installed with second face cover 41, in natural state, the first face cover 33 and second face cover 41 cover the outside of the rotating shaft seat 11, so that the static page 1 and active page 2 form a micro gap. In the embodiment, the micro gap can be a straight seam, the gap of the straight seam is between 0.1cm-0.2cm, further reduce the exposed part, the whole looks more flat, more beautiful.
[0032] As a further improvement of the utility model, the recess 31 is provided with mounting hole 34 penetrating the upper and lower ends, the rotating shaft 32 is installed between the two mounting holes 34, the first waterproof rubber pad 35 is installed on the inner side of the first hinge seat 3, specifically can be bonded, the first waterproof rubber pad 35 is provided with waterproof baffle 351, after assembly, the waterproof baffle 351 closes the mounting hole 34, effectively avoids water infiltration to rotating shaft 32, prevents internal rust, improves service life.
[0033] As a further improvement of the utility model, the cavity 31 is provided with screw holes 36 penetrating through the upper and lower ends, two screw holes 36 are respectively provided with limiting screws 361, the upper and lower sides of the rotating shaft seat 11 are respectively provided with arc-shaped rotating grooves 13 with one end open, the limiting screws 361 slide in the rotating grooves 13, the waterproof baffle 351 also seals the screw holes 36, and the waterproof effect is improved. In addition, when the movable page 2 rotates to one side of the stationary page 1, the limiting screws 361 slide in the rotating grooves 13, and since the end of the rotating groove 13 is closed, when the limiting screws 361 slide to the end of the rotating groove 13, the limiting screws 361 abut against the side wall of the rotating groove 13, thereby achieving the limiting effect; when the movable page 2 rotates to the other side of the stationary page 1, the limiting screws 361 slide out of the open end of the rotating groove 13, and since the limiting screws 361 are fixed with the screw holes 36 through threads, the limiting screws 361 will not fall off, and when the movable page 2 continues to rotate, the limiting screws 361 will abut against the side wall of the rotating shaft seat 11, thereby achieving the limiting effect, and facilitating use.
[0034] As a further improvement of the utility model, the upper and lower sides of the first hinge seat 3 are respectively provided with first sliding rails 37, the inner side of the first cover 33 is provided with first sliding grooves 331 corresponding to the first sliding rails 37, and after assembly, the first sliding rails 37 are slidably arranged in the first sliding grooves 331. The upper and lower sides of the second hinge seat 4 are respectively provided with second sliding rails 42, the inner side of the second cover 41 is provided with second sliding grooves 43 corresponding to the second sliding rails 42, and after assembly, the second sliding rails 42 are slidably arranged in the second sliding grooves 43, and the assembly structure is simple.
[0035] As a further improvement of the utility model, the front side of the first hinge seat 3 is provided with a plurality of first sliding grooves 38, one end of the first sliding groove 38 is open away from the cavity 31, a first connecting piece 39 is arranged at the opening, specifically, the first connecting piece 39 is fixedly connected with the first hinge seat 3 through a screw, the inner side of the first cover 33 is provided with a first protruding block 332 corresponding to the first sliding groove 38, a first spring 381 is arranged in the first sliding groove 38, after assembly, one end of the first spring 381 is fixedly connected with the first connecting piece 39, specifically, the first spring 381 can be directly placed in the first sliding groove 38, or one end of the first spring 381 is bonded with the first connecting piece 39, the other end of the first spring 381 abuts against the side wall of the first protruding block 332, and the assembly structure is simple.
[0036] In addition, the second hinge seat 4 adopts a structure symmetrical to the first hinge seat 3, and a plurality of second sliding grooves 44 are arranged on the back side of the second hinge seat 4, the second sliding grooves 44 are open at one end away from the stationary leaf 1, and a second connecting piece 45 is arranged at the opening, and specifically, the second connecting piece 45 is fixedly connected with the second hinge seat 4 through a screw, and the inner side of the second cover 41 is provided with a second protruding block 46 protruding inward corresponding to the second sliding groove 44, and a second spring 47 is arranged in the second sliding groove 44, and after assembly, one end of the second spring 47 is fixedly connected with the second connecting piece 45, and the other end abuts against the side wall of the second protruding block 46, and the assembly structure is simple.
[0037] As a further improvement of the utility model, a plurality of anti-collision rubber pads 48 are arranged on the outer sides of the first connecting piece 39 and the second connecting piece 45 respectively, and after assembly, the inner side wall of one end of the first cover 33 or the second cover 41 abuts against the anti-collision rubber pad 48, so that when the first cover 33 or the second cover 41 is reset, the impact force of collision can be reduced, and the service life is improved.
[0038] As a further improvement of the utility model, a plurality of anti-collision rubber pads 48 are arranged on the outer sides of the first connecting piece 39 and the second connecting piece 45 respectively, and after assembly, the inner side wall of one end of the first cover 33 or the second cover 41 abuts against the anti-collision rubber pad 48, so that when the first cover 33 or the second cover 41 is reset, the impact force of collision can be reduced, and the service life is improved.
[0039] As a further improvement of the utility model, a plurality of anti-collision rubber pads 48 are arranged on the outer sides of the first connecting piece 39 and the second connecting piece 45 respectively, and after assembly, the inner side wall of one end of the first cover 33 or the second cover 41 abuts against the anti-collision rubber pad 48, so that when the first cover 33 or the second cover 41 is reset, the impact force of collision can be reduced, and the service life is improved.
[0040] In the present application, the term "a plurality of" means two or more, unless otherwise expressly specified. The term "and / or" as used herein encompasses all possibilities of combinations of one or more relevant items. The terms "mounting", "connected", "connecting", "fixed", and the like, should be interpreted broadly, for example, "connected" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through intermediate media. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0041] It should be noted that when an element is referred to as being "mounted", "attached", "fixed" or "disposed" on another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be limiting.
[0042] In the description of the present application, the terms "one embodiment", "some embodiments", "certain embodiments", and the like, are described to mean that the particular feature, structure, material or characteristic being described is included in at least one embodiment or example of the present application. In the description of the present application, the illustrative representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.
[0043] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A symmetrically concealed hinge with inward and outward opening and closing mechanism, comprising a stationary page (1) and a movable page (2), characterized in that... The movable page (2) includes a first hinge seat (3) and a second hinge seat (4). The first hinge seat (3) has a cavity (31) at one end near the stationary page (1). A pivot (32) is installed in the cavity (31). A pivot seat (11) is provided at one end of the stationary page (1) near the movable page (2). The pivot seat (11) has a pivot hole (12) for the pivot (32) to be inserted. After assembly, the pivot seat (11) is inserted into the cavity (31). The pivot (32) is hinged in the pivot hole (12); the second hinge seat (4) is fixedly installed on the opposite side of the first hinge seat (3). The first hinge seat (3) is slidably mounted on the front side of the first hinge seat (3), and the second hinge seat (4) is slidably mounted on the rear side of the second hinge seat (4). In the natural state, the first cover (33) and the second cover (41) cover the outside of the pivot seat (11), so that a micro gap is formed between the stationary page (1) and the moving page (2).
2. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 1, characterized in that... The cavity (31) is provided with mounting holes (34) that pass through the upper and lower ends. The rotating shaft (32) is installed between the two mounting holes (34). The first waterproof rubber pad (35) is installed on the inner side of the first hinge seat (3). The first waterproof rubber pad (35) is provided with a waterproof baffle (351). After assembly, the waterproof baffle (351) closes the mounting holes (34).
3. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 2, characterized in that... The cavity (31) is provided with screw holes (36) that pass through the upper and lower ends. Limiting screws (361) are installed in the two screw holes (36) respectively. The upper and lower sides of the rotating shaft seat (11) are respectively provided with arc-shaped rotating grooves (13) with one end open. The limiting screws (361) slide in the rotating grooves (13).
4. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 1, characterized in that... The first hinge seat (3) is equipped with a first slide rail (37) on its upper and lower sides respectively. The inner side of the first cover (33) is provided with a first slide groove (331) corresponding to the first slide rail (37). After assembly, the first slide rail (37) is slidably installed in the first slide groove (331).
5. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 1, characterized in that... The second hinge seat (4) is equipped with a second slide rail (42) on its upper and lower sides respectively. The inner side of the second cover (41) is provided with a second slide groove (43) corresponding to the second slide rail (42). After assembly, the second slide rail (42) is slidably installed in the second slide groove (43).
6. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 1, characterized in that... The front side of the first hinge seat (3) is provided with a plurality of first sliding grooves (38). The first sliding groove (38) is open at one end away from the cavity (31). A first connector (39) is installed at the opening. The inner side of the first cover (33) is provided with a first protrusion (332) that protrudes inward corresponding to the first sliding groove (38). A first spring (381) is installed in the first sliding groove (38). After assembly, one end of the first spring (381) is fixedly connected to the first connector (39), and the other end abuts against the side wall of the first protrusion (332).
7. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 6, characterized in that... The rear side of the second hinge seat (4) is provided with a plurality of second sliding grooves (44). The second sliding groove (44) is open at one end away from the stationary page (1). A second connector (45) is installed at the opening. The inner side of the second cover (41) is provided with an inwardly protruding second protrusion (46) corresponding to the second sliding groove (44). A second spring (47) is installed in the second sliding groove (44). One end of the second spring (47) is fixedly connected to the second connector (45), and the other end abuts against the side wall of the second protrusion (46).
8. The symmetrical concealed hinge with inner and outer opening and closing mechanism according to claim 7, characterized in that... A plurality of anti-collision pads (48) are respectively installed on the outer side of the first connector (39) and the second connector (45), and the inner side wall of one end of the first cover (33) or the second cover (41) abuts against the anti-collision pads (48).
9. The symmetrical concealed hinge with inner and outer opening and closing mechanism according to claim 7, characterized in that... Sliding rubber pads (14) are installed on the front and rear sides of the pivot seat (11). The first cover (33) and the second cover (41) are respectively provided with arc-shaped parts on the end face near the stationary page (1). When the moving page (2) rotates outward or inward, after the surface of the arc-shaped part contacts the surface of the sliding rubber pad (14), the first spring (381) or the second spring (47) undergoes elastic deformation, causing the first cover (33) or the second cover (41) to slide outward relative to the first hinge seat (3) or the second hinge seat (4), stopping the moving page (2) from rotating outward. The first spring (381) or the second spring (47) elastically recovers, causing the first cover (33) or the second cover (41) to slide toward the stationary page (1).
10. The symmetrical hidden hinge with inner and outer opening and closing mechanism according to claim 1, characterized in that... The inner side of the first hinge seat (3) is provided with a plurality of screw seats (310), and the second hinge seat (4) is provided with screw through holes corresponding to the screw seats (310). After assembly, the screw (49) passes through the screw through holes and is threadedly connected to the screw seat (310).