CN216665341U - Hinge structure - Google Patents

Abstract

The application relates to the technical field of hinges, in particular to a hinge structure which comprises a hinged arm, a self-closing buffer mechanism, a rolling-up device, a spring frame, a spring swing seat and a compression spring; the rolling through is pivoted with the hinged arm through a limiting pin shaft, and the spring frame is arranged between the hinged arm and the rolling through; the bottom of the spring frame is in sliding fit with the limiting pin shaft through the first surface, and the bottom of the spring frame is in sliding fit with the inner surface of the roll-through the second surface; the top of the spring frame is provided with a hole groove, and the bottom of the spring swing seat is movably arranged in the hole groove through a compression spring; the inner wall of the hinged arm is provided with a rotating shaft circular groove, and the top of the spring swing seat is provided with a movable part capable of swinging in the rotating shaft circular groove; the self-closing buffer mechanism is connected with the roll-through and is used for assisting the roll-through to finish the buffer action of self-closing. This application has solved current hinge structure effectively and can't be guaranteeing that the hinge opens and shuts softly the technical problem of the number of times demand of fatigue test again.

Description

Hinge structure

Technical Field

The application relates to the technical field of hinges, in particular to a hinge structure.

Background

In the existing hinges, most of the existing hinges adopt a torsion spring as a power source of a self-closing hinge, and due to the limitation of the internal space of the hinge and the influence of the self-closing force of the hinge, the angle of the hinge, which needs the spring to work and swing in a service life test (continuous fatigue test), is too large, so that the continuous fatigue test of the spring is easy to cause and is difficult to meet the requirements required by standards. The fatigue test of the hinge is difficult to pass through a secondary standard of 4-5 ten thousand times, and the fatigue test of the hinge is only accidental, so that a tertiary standard of 8 ten thousand times is not exceeded, and the existing hinge structure has small self-closing force, although the opening and closing of a door are soft, the opening and closing of the door can not be completed for ten thousand times; the self-closing force is large, the door needs to be opened and closed vigorously, the feeling is not smooth, uncomfortable use experience is brought to a user, and fatigue testing is difficult to achieve.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application aims to provide a hinge structure for solve the technical problem that the existing hinge structure cannot meet the requirement of the number of times of fatigue tests while ensuring that the hinge is opened and closed softly.

In order to achieve the purpose, the application provides the following technical scheme:

a hinge structure comprises a hinge arm, a self-closing buffer mechanism, a rolling through, a spring frame, a spring swing seat, a limit pin shaft and a compression spring;

the rolling through is pivoted with the hinged arm through the limiting pin shaft, and the spring frame is arranged between the hinged arm and the rolling through;

the bottom of the spring frame is in sliding fit with the limiting pin shaft through a first surface, and the bottom of the spring frame is in sliding fit with the inner surface of the roll-through a second surface;

the top of the spring frame is provided with a hole groove, and the bottom of the spring swing seat is movably arranged in the hole groove through the compression spring;

the inner wall of the hinged arm is provided with a rotating shaft circular groove, and the top of the spring swing seat is provided with a movable part capable of swinging in the rotating shaft circular groove;

and the self-closing buffer mechanism is connected with the roll through and is used for assisting the roll through to finish the buffer action of self-closing.

Preferably, in the hinge structure, a fixing boss is disposed in the hole slot, and the compression spring is sleeved on the fixing boss.

Preferably, in the hinge structure, both sides of the spring holder are provided with a limiting pulled boss;

and the two sides of the roll-through are provided with limit shifting grooves corresponding to the limit shifted bosses.

Preferably, in the hinge structure, the self-closing buffer mechanism includes an oil cylinder, and a piston rod of the oil cylinder is connected to the roll-up unit.

Preferably, in the hinge structure described above, the self-closing buffer mechanism further includes a triangular plate and a link;

the oil cylinder is pivoted on the hinged arm;

a piston rod of the oil cylinder is pivoted with the first end of the triangular plate;

the middle part of the triangular plate is pivoted on the hinged arm;

the first end of the link piece is pivoted with the second end of the triangular plate, and the second end of the link piece is pivoted with the first end of the rolling through piece.

Preferably, in the hinge structure, a cup head is further included;

the cup head is provided with a cup cavity for the hinged arm and the roll-through to extend into;

the second end of the rolling through is pivoted with the cup head;

the cup head is provided with a first mounting hole.

Preferably, in the hinge structure, a cross joint is further included;

the first end of the cross is pivoted with the cup head, and the second end of the cross is pivoted with the hinged arm.

Preferably, in the hinge structure, a base is further included;

the hinged arm is arranged on the base;

and a second mounting hole is formed in the base.

Preferably, in the hinge structure, an adjusting screw is further included;

the adjusting screw is in threaded connection with the hinged arm;

the bottom of the adjusting screw is provided with an adjusting movable circular groove;

the base is provided with a sliding groove in sliding fit with the adjusting movable circular groove.

Preferably, in the hinge structure described above, an eccentric wheel is further included;

the top of the eccentric wheel penetrates through the hinged arm;

the bottom of the eccentric wheel is provided with a curve bar;

the base is provided with a limit matching boss used for limiting and adjusting the curve strips.

Compared with the prior art, the beneficial effects of this application are:

the application provides a hinge structure, when an external force pushes a door, a rolling-up device can rotate around a limit pin shaft, so as to drive a spring frame to swing in a rotary shaft circular groove on a hinge arm by taking a moving part of a spring swing seat as a rotary shaft, along with the movement of the spring frame, the stress point of the rolling-up device on the top of the spring frame is changed, so that the rolling-up torque is changed, the spring frame is changed up and down and left and right simultaneously, the compression spring is driven to generate acting force in the expansion change, the working expansion amount of the compression spring is not large, the stress point of the compression spring in the spring frame is switched between the limit pin shaft and the inner surface of the rolling-up device, the force is light in the door opening and closing process, the self-closing door closing force can meet the requirement all the time, the original torsion spring is designed into a cylindrical compression spring, the spring structure is simple and reasonable, the working compression amount is small, so that the service life of the hinge is longer in continuous fatigue test, can easily reach more than 8 ten thousand times, solve current hinge structure effectively and can't be guaranteeing that the hinge opens and shuts softly the technical problem that satisfies the number of times demand of fatigue test again.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an assembly and disassembly schematic view of a hinge structure according to an embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a hinge structure according to an embodiment of the present disclosure;

FIG. 3 is a top view of a hinge structure provided in an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along A-A of a hinge structure according to an embodiment of the present application;

fig. 5 is a schematic view of an internal structure of a hinge arm of a hinge structure according to an embodiment of the present disclosure;

fig. 6 is a partially enlarged view of a hinge arm of a hinge structure according to an embodiment of the present disclosure;

FIG. 7 is an enlarged view of the spring holder of a hinge structure according to an exemplary embodiment of the present disclosure;

fig. 8 is a disassembled schematic view of a spring frame of a hinge structure provided in an embodiment of the present application;

fig. 9 is a cross-sectional view of a spring holder of a hinge structure according to an embodiment of the present application;

fig. 10 is a bottom perspective view of an eccentric wheel of a hinge structure according to an embodiment of the present disclosure;

fig. 11 is a top perspective view of a base of a hinge structure provided in an embodiment of the present application.

In the figure:

101. a cup head; 1011. a cup cavity; 1012. a first mounting hole; 102. a hinged arm; 1021. a rotating shaft circular groove; 103. a base; 1031. a second mounting hole; 1032. a chute; 1033. the boss is matched in a limiting way; 104. four-way connection; 105. rolling through; 1051. a first side hole; 1052. a limiting shifting groove; 1053. an inner surface that is rolled through; 1054. a pivot joint lug; 106. triangular plates; 107. a link; 108. a spring holder; 1081. limiting the shifted boss; 1082. a hole groove; 1083. a first face of the spring frame bottom; 1084. a second face of the spring frame bottom; 1085. fixing the boss; 109. a compression spring; 110. a spring swing seat; 1101. a movable member; 1102. a cylindrical rod; 111. an oil cylinder; 112. an eccentric wheel; 1121. a curved line; 113. adjusting screws; 114. double needles; 115. a limiting pin shaft; 116. a first pin shaft; 117. a second pin shaft; 118. a third pin shaft; 119. a fourth pin shaft; 120. a fifth pin shaft; 121. a sixth pin shaft; 122. and a seventh pin shaft.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

In the existing hinges, most of the existing hinges adopt a torsion spring as a power source of a self-closing hinge, and due to the limitation of the internal space of the hinge and the influence of the self-closing force of the hinge, the angle of the hinge, which needs the spring to work and swing in a service life test (continuous fatigue test), is too large, so that the continuous fatigue test of the spring is easy to cause and is difficult to meet the requirements required by standards. The fatigue test of the hinge is difficult to pass through a secondary standard of 4-5 ten thousand times, and the fatigue test of the hinge is only accidental, so that a tertiary standard of 8 ten thousand times is not exceeded, and the existing hinge structure has small self-closing force, although the opening and closing of a door are soft, the opening and closing of the door can not be completed for ten thousand times; the self-closing force is large, the door needs to be opened and closed vigorously, the feeling is not smooth, uncomfortable use experience is brought to a user, and fatigue testing is difficult to achieve. This embodiment provides a hinge structure, has solved current hinge structure effectively and can't be guaranteeing that the hinge opens and shuts softly the technical problem of the number of times demand of fatigue test again.

Referring to fig. 1 to 11, an embodiment of the present application provides a hinge structure, which includes a hinge arm 102, a self-closing buffer mechanism, a rolling tube 105, a spring holder 108, a spring seat 110, a limit pin 115, and a compression spring 109; the rolling through 105 is pivoted with the hinged arm 102 through a limit pin shaft 115, and the spring frame 108 is arranged between the hinged arm 102 and the rolling through 105; the bottom of the spring holder 108 is in sliding fit with the limit pin 115 through a first face 1083, and the bottom of the spring holder 108 is in sliding fit with the inner surface 1053 of the roll-over 105 through a second face 1084; the top of the spring frame 108 is provided with a hole slot 1082, and the bottom of the spring swing seat 110 is movably arranged in the hole slot 1082 through a compression spring 109; the inner wall of the hinged arm 102 is provided with a rotating shaft circular groove 1021, and the top of the spring swing seat 110 is provided with a movable piece 1101 capable of swinging in the rotating shaft circular groove 1021; the self-closing buffer mechanism is connected with the rolling through 105 and is used for assisting the rolling through 105 to complete the buffer action of self-closing.

More specifically, a first side hole 1051 is arranged in the middle of the rolling through 105, and the rolling through 105 is pivoted with the hinge arm 102 by penetrating the first side hole 1051 through a limit pin shaft 115; the first face 1083 and the second face 1084 at the bottom of the spring holder 108 are both curved faces, so that the first face 1083 at the bottom of the spring holder 108 is always in sliding fit with the limiting pin 115, and the second face 1084 at the bottom of the spring holder 108 is always in sliding fit with the rolling-up tube 105; the spring swing seat 110 comprises a movable part 1101 positioned at the top and a cylindrical rod 1102 capable of extending into the hole groove 1082, the compression spring 109 is also cylindrical, the compression spring 109 is sleeved on the cylindrical rod 1102, and the compression spring 109 and the cylindrical rod 1102 are jointly installed into the hole groove 1082; the moving part 1101 is specifically in the shape of an arc half shaft, and the requirement that the moving part 1101 can swing and swing smoothly in the rotating shaft circular groove 1021 is met.

The hinge structure of the embodiment is installed on a door body, when an external force pushes the door, the rolling-up tube 105 can rotate around the limit pin 115, and further the spring frame 108 is driven to swing in the rotating shaft circular groove 1021 on the hinge arm 102 by taking the moving part 1101 of the spring swing seat 110 as a rotating shaft, along with the movement of the spring frame 108, the stress point of the rolling-up tube 105 at the top of the spring frame 108 is changed, and further the moment of the rolling-up tube 105 is changed, the spring frame 108 is changed not only up and down but also left and right at the same time, and the compression spring 109 is driven to generate acting force in the expansion change and the working expansion amount of the compression spring 109 is not large, so that the stress point of the compression spring 109 in the spring frame 108 is switched between the limit pin 115 and the inner surface 1053 of the rolling-up tube 105, thereby being beneficial to ensuring the soft force in the door opening and closing process, and enabling the self-closing force to always meet the requirements, and the original torsion spring is designed into a cylindrical compression spring 109, and the spring structure is simple and reasonable, work compression volume is little for the hinge is fatigue test life-span in succession higher, can easily reach more than 8 ten thousand times, has solved current hinge structure effectively and can't be guaranteeing that the hinge opens and shuts softly the technical problem that satisfies fatigue test's number of times demand again.

Further, in the present embodiment, a fixing boss 1085 is disposed in the hole slot 1082, and the compression spring 109 is sleeved on the fixing boss 1085. The compression spring 109 can be fixed and limited by the arrangement of the fixing boss 1085, and the periphery of the compression spring 109 is ensured not to be scraped against the inner wall of the hole 1082 of the spring frame 108.

Further, in the present embodiment, both sides of the spring holder 108 are provided with a spacing shifted boss 1081; the two sides of the rolling tube 105 are provided with a limit shifting groove 1052 corresponding to the limit shifted boss 1081. Through the setting of spacing dialling groove 1052 and spacing boss 1081 of being dialled not only can provide the support position of a support spring frame 108 for rolling through 105, but also can utilize the spacing boss 1081 of being dialled in the motion process to contact the characteristic of offseting with spacing dialling groove 1052 all the time, reach and play appropriate spacing stirring effect to the movement track of spacing boss 1081 of being dialled and spring frame 108, thereby satisfy when external force pushes away the door, roll through 105 can rotate around spacing round pin axle 115, roll through 105 can drive spring frame 108 and use the moving part 1101 of spring pendulum seat 110 as the wobbling demand of pivot circular slot 1021 on hinge arm 102.

Further, in the present embodiment, the self-closing buffer mechanism includes an oil cylinder 111, and a piston rod of the oil cylinder 111 is connected to the winding tube 105. When an instant door closing force is applied by an external force, the piston rod of the oil cylinder 111 is pushed inwards by the swing of the rolling sleeve 105, so that a certain buffering effect can be achieved; when the external force disappears, under the elastic action of the compression spring 109, the roll-up 105 swings back to continue to close the door, and the piston rod of the oil cylinder 111 is driven to continue to press inward, so that the buffer effect at a certain angle can be achieved and the door closing force can be continuously maintained.

Further, in the present embodiment, the self-closing buffer mechanism further includes a triangular plate 106 and a link 107; the oil cylinder 111 is pivoted on the hinged arm 102 through a third pin shaft 118; a piston rod of the oil cylinder 111 is pivoted with the first end of the triangular plate 106 through a seventh pin shaft 122; the middle part of the triangular plate 106 is pivoted on the hinge arm 102 through a second pin shaft 117; the first end of the link 107 is pivotally connected to the second end of the triangular plate 106 by a sixth pin 121, and the second end of the link 107 is pivotally connected to the two pivot ears 1054 of the first end of the roll-through 105 by a fifth pin 120. The oil cylinder 111, the triangular plate 106, the link 107 and the rolling through 105 are connected together through the pin shafts in sequence, so that the joints can rotate relatively, the requirement of damping buffering of self-closing of the rolling through 105 is met, and the swinging fit among the joints can be utilized, so that the opening and closing of the door are more flexible and silent.

Further, in the present embodiment, the cup head 101 is further included; the cup head 101 is provided with a cup cavity 1011 for the hinged arm 102 and the rolling pipe 105 to extend into; the second end of the rolling through 105 is pivoted with the cup head 101; the cup head 101 is provided with a first mounting hole 1012. The cup head 101 can be installed on a door body or a fixed object by penetrating the first installation hole 1012 through the bolt, the cup head 101 not only serves as a connection part for fixing the whole hinge structure to the outside, but also can cover the roll-through 105 or other internal structures inside through the cup cavity 1011, and therefore a certain protection effect is achieved on the roll-through 105 or other internal structures.

Further, in this embodiment, a cross 104 is further included; the first end of the cross 104 is pivotally connected to the cup head 101, and the second end of the cross 104 is pivotally connected to the hinge arm 102 via a first pin 116. Through the cross joint 104, the cup head 101 can be connected with the hinged arm 102 in a swinging mode, the requirement that the door body is connected with a fixed object in a hinged mode is met, and the swinging range of the rolling through 105 can be effectively limited.

More specifically, the cup head 101 is provided with a double needle 114, the double needle 114 is shaped like a U, a first side rod of the double needle 114 pivots the second end of the roll-through 105 to the cup head 101, and a second side rod of the double needle 114 pivots the first end of the four-way valve 104 to the cup head 101.

Further, in the present embodiment, the device further includes a base 103; the hinge arm 102 is mounted on the base 103; the base 103 is provided with a second mounting hole 1031. The base 103 can be mounted on the door body or a fixed object by passing a bolt through the second mounting hole 1031, so that the base 103 is used as a connecting part for fixing the whole hinge structure to the outside.

More specifically, a tail groove is formed in one end, away from the cup head 101, of the oil cylinder 111, and the third pin shaft 118 is clamped in the tail groove; through holes are formed in the side walls of the two sides of the base 103, and the inner walls of the two sides of the hinged arm 102 penetrate through the through holes through a fourth pin shaft 119 to be connected; when the third pin shaft 118 and the fourth pin shaft 119 are installed, both can pass through the through holes on both sides of the base 103, so that the hinge arm 102 can be hung on the base 103.

Further, in the present embodiment, an adjusting screw 113 is further included; the adjusting screw 113 is in threaded connection with the hinged arm 102; the bottom of the adjusting screw 113 is provided with an adjusting movable circular groove; the base 103 is provided with a sliding groove 1032 which is in sliding fit with the adjusting movable circular groove. When the relative position between the hinge arm 102 and the base 103 needs to be adjusted, the adjusting screw 113 slides to a required position along the sliding groove 1032 by adjusting the movable circular groove, and then the adjusting screw 113 is rotated to fix the hinge arm 102 and the base 103 together along the horizontal direction, so that the requirement of adjusting the actual position of the hinge arm 102 according to the actual door body installation condition is met, and the application range of the whole hinge structure is effectively expanded.

Further, in the present embodiment, the device further includes an eccentric wheel 112; the top of the eccentric wheel 112 is arranged on the hinge arm 102 in a penetrating way; a curve bar 1121 is arranged at the bottom of the eccentric wheel 112; the base 103 is provided with a limit fitting boss 1033 for forming limit adjustment fitting for the curved strip 1121. The plurality of limit matching bosses 1033 are provided, the side wall of each limit matching boss 1033 is a curved surface corresponding to the curvature of the curve strip 1121, and a limit space for limiting the curve strip 1121 can be formed between every two adjacent limit matching bosses 1033, so that the eccentric wheel 112 can only rotate along the side wall of each limit matching boss 1033 and cannot directly move transversely. The eccentric wheel 112 can be arranged to utilize the limit matching boss 1033 and the curve strip 1121 to limit each other, so as to prevent the base 103 and the hinge arm 102 from loosening in the horizontal direction.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A hinge structure is characterized by comprising a hinged arm, a self-closing buffer mechanism, a rolling through, a spring frame, a spring swing seat, a limiting pin shaft and a compression spring;

the rolling through is pivoted with the hinged arm through the limiting pin shaft, and the spring frame is arranged between the hinged arm and the rolling through;

the bottom of the spring frame is in sliding fit with the limiting pin shaft through a first surface, and the bottom of the spring frame is in sliding fit with the inner surface of the roll-through a second surface;

the top of the spring frame is provided with a hole groove, and the bottom of the spring swing seat is movably arranged in the hole groove through the compression spring;

the inner wall of the hinged arm is provided with a rotating shaft circular groove, and the top of the spring swing seat is provided with a movable part capable of swinging in the rotating shaft circular groove;

and the self-closing buffer mechanism is connected with the roll through and is used for assisting the roll through to finish the buffer action of self-closing.

2. The hinge structure of claim 1, wherein a fixing boss is arranged in the hole slot, and the compression spring is sleeved on the fixing boss.

3. The hinge structure of claim 1, wherein both sides of the spring holder are provided with a limiting shifted boss;

and the two sides of the roll-through are provided with limit shifting grooves corresponding to the limit shifted bosses.

4. The hinge structure according to claim 1, wherein the self-closing buffer mechanism comprises an oil cylinder, and a piston rod of the oil cylinder is connected with the roll-up.

5. The hinge structure of claim 4, wherein the self-closing cushioning mechanism further comprises a triangular tab and a link;

the oil cylinder is pivoted on the hinged arm;

a piston rod of the oil cylinder is pivoted with the first end of the triangular plate;

the middle part of the triangular plate is pivoted on the hinged arm;

the first end of the link piece is pivoted with the second end of the triangular plate, and the second end of the link piece is pivoted with the first end of the rolling through piece.

6. The hinge structure of claim 1, further comprising a cup head;

the cup head is provided with a cup cavity for the hinged arm and the roll-through to extend into;

the second end of the rolling through is pivoted with the cup head;

the cup head is provided with a first mounting hole.

7. The hinge structure of claim 6, further comprising a cross;

the first end of the cross is pivoted with the cup head, and the second end of the cross is pivoted with the hinged arm.

8. The hinge structure of claim 1, further comprising a base;

the hinged arm is arranged on the base;

and a second mounting hole is formed in the base.

9. The hinge structure of claim 8, further comprising an adjustment screw;

the adjusting screw is in threaded connection with the hinged arm;

the bottom of the adjusting screw is provided with an adjusting movable circular groove;

the base is provided with a sliding groove in sliding fit with the adjusting movable circular groove.

10. The hinge structure of claim 9, further comprising an eccentric;

the top of the eccentric wheel penetrates through the hinged arm;

the bottom of the eccentric wheel is provided with a curve bar;

the base is provided with a limit matching boss used for limiting and adjusting the curve strips.

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