Novel hydraulic hinge shaft core

Abstract

The utility model discloses a novel hydraulic hinge shaft core which comprises a spring sleeve, teeth are fixedly connected to the inner side surface of the spring sleeve, a damping sleeve is installed at the lower end of the spring sleeve, a lifting sleeve is arranged in the spring sleeve, and a lifting shaft is rotationally connected to the interior of the lifting sleeve. Outer teeth are fixedly connected to the side surface of the upper end of the lifting shaft and are in meshed connection with teeth in the spring sleeve, a spring is fixedly mounted at the upper end of the lifting shaft, the upper end of the spring is fixedly connected with the inner wall of the spring sleeve, a spiral through hole is formed in the lower end of the lifting shaft, and a driving rod is slidably arranged in the spiral through hole; a through hole is formed in the side surface of the lifting sleeve, the two ends of the driving rod are located in the through hole, and a hydraulic mechanism is arranged below the lifting sleeve. According to the hinge shaft core, manual adjustment of the elastic force of the spring in the shaft core is avoided, meanwhile, stepless adjustment of the elastic force of the spring can be achieved, therefore, the trouble of adjusting the elastic force of the spring is reduced, and the practicability of the hinge shaft core is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic hinge axle core technical field, concretely is a new type hydraulic hinge axle core. BACKGROUND

[0002] Hydraulic hinge is one of several hinges with door closer function in the market at present, and is one of the automatic door closing hinges that appear in the market earliest to replace the door closer. Among them, the hydraulic hinge axle is an indispensable part in the hydraulic hinge, but most of the existing axle cores have a lifting mechanism inside to adjust the spring force inside the axle core, so manual adjustment of the lifting mechanism inside the axle core is generally required to control the spring force during use. This kind of control of spring force is relatively rigid, and the spring force is always maintained at a certain value, which is troublesome during adjustment and reduces the practicability of the hinge axle core. Secondly, after adjusting the spring force in the axle core to a certain value, the friction between the spring and the axle during rotation is increased, thereby shortening the service life of the axle. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a new type hydraulic hinge axle core, which solves the problem of manual adjustment of the spring force inside the traditional axle and the relatively rigid adjustment mode, avoids manual adjustment of the spring force inside the axle, and simultaneously enables infinite adjustment of the spring force, thereby reducing the trouble of adjusting the spring force and improving the practicability of the hinge axle.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a new type hydraulic hinge axle core, which comprises a spring sleeve, the inner surface of the spring sleeve is fixedly connected with a tooth, and the lower end of the spring sleeve is provided with a damping sleeve, the inside of the spring sleeve is provided with a lifting sleeve, and the inside of the lifting sleeve is rotatably connected with a lifting shaft, the upper end side surface of the lifting shaft is fixedly connected with an outer tooth, and the outer tooth is meshingly connected with the tooth in the inside of the spring sleeve, the upper end of the lifting shaft is fixedly provided with a spring, and the upper end of the spring is fixedly connected with the inner wall of the spring sleeve, the lower end of the lifting shaft is provided with a spiral through hole in the inside, and the inside of the spiral through hole is slidably provided with a driving rod, the side surface of the lifting sleeve is provided with a through hole, and the two ends of the driving rod are located in the inside of the through hole, the lower part of the lifting sleeve is provided with a hydraulic mechanism, and the hydraulic mechanism is located in the inside of the damping sleeve.

[0005] Preferably, the hydraulic mechanism comprises a driving ring, and the lower surface of the driving ring is fixedly connected with a supporting rod, and the lower end of the supporting rod is fixedly connected with a piston.

[0006] Preferably, the inner side of the driving ring is sleeved with a rotating shaft, and the inner side wall of the driving ring is fixedly connected with limit blocks in a symmetrical mode, the upper end of the rotating shaft is fixedly connected with the lifting sleeve, and the lower end of the rotating shaft is symmetrically provided with limit grooves.

[0007] Preferably, the side surface of the rotating shaft is sleeved with a bearing, and the two side surfaces of the bearing are provided with clamping pieces.

[0008] Preferably, the inner side surface of the clamping piece is provided with a plurality of grooves, and the grooves correspond to the rolling balls in the bearing.

[0009] Preferably, the driving ring, the supporting rod and the piston are located in the damping sleeve, the side surface of the driving ring is provided with a clamping groove, and the upper end side surface of the damping sleeve is provided with a clamping point.

[0010] The utility model provides a novel hydraulic hinge axle core, has the following beneficial effects compared with prior art:

[0011] 1, through the lifting shaft and the spiral through hole which are arranged in the lifting sleeve and are provided with the driving rod and the through hole which are symmetrically arranged on the side surface of the lifting sleeve and are slidably arranged in the spiral through hole, the height of the lifting shaft can be infinitely adjusted, the elasticity of the infinitely adjustable spring is further facilitated, manual fixing and adjustment of the spring elasticity is avoided, the trouble of adjusting the spring elasticity is reduced, and the practicability of the hinge axle core is improved.

[0012] 2, the spring elasticity is infinitely adjusted through the lifting shaft, the spiral through hole and the driving rod, the friction between the upper end of the spring and the inner wall of the spring sleeve can be reduced, the wear of the spring and the inner wall of the spring sleeve is reduced, and the service life of the hinge axle core is prolonged. ACCURACY OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is an internal structure schematic view of the spring sleeve and the damping sleeve in the utility model;

[0015] Figure 3 It is a connecting structure schematic view of the lifting sleeve and the driving ring in the utility model

[0016] Figure 4 It is a three-dimensional structure schematic view of the lifting sleeve in the utility model

[0017] Figure 5 It is a three-dimensional structure schematic view of the lifting shaft in the utility model.

[0018] In the figure: 1, spring sleeve; 2, damping sleeve; 3, buckle point; 4, spring; 5, lifting shaft; 501, outer tooth; 502, spiral through hole; 6, lifting sleeve; 601, buckle piece; 602, bearing; 603, through hole; 604, rotating shaft; 605, limiting groove; 7, driving ring; 701, support rod; 702, piston; 703, buckle groove; 704, limiting block; 8, driving rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-5 The utility model provides a technical scheme: a novel hydraulic hinge shaft core, including spring sleeve 1, the inside surface fixed connection of spring sleeve 1 has tooth, and spring sleeve 1's lower end is installed with damping sleeve 2, spring sleeve 1's inside is equipped with lifting sleeve 6, and lifting sleeve 6's inside rotation is connected with lifting shaft 5, lifting shaft 5's upper end side surface fixed connection has outer tooth 501, and outer tooth 501 is engaged with the tooth in spring sleeve 1 inside, lifting shaft 5's upper end is fixed with spring 4, and spring 4's upper end is fixed with the inner wall of spring sleeve 1, lifting shaft 5's lower end inside is provided with spiral through hole 502, and spiral through hole 502's inside is equipped with driving rod 8, lifting sleeve 6's side surface is provided with through hole 603, and driving rod 8's both ends are located in the inside of through hole 603, and lifting sleeve 6's below is equipped with hydraulic mechanism, and hydraulic mechanism is located in the inside of damping sleeve 2.

[0021] As a technical optimization scheme of the utility model, the hydraulic mechanism includes driving ring 7, and the lower surface of driving ring 7 is fixedly connected with support rod 701, and the lower end of support rod 701 is fixedly connected with piston 702, and the support rod 701 and piston 702 at the lower end of driving ring 7 can buffer the hinge, thereby reducing the impact force of spring 4 on the hinge.

[0022] As a technical optimization scheme of the utility model, the inside of driving ring 7 is sleeved with rotating shaft 604, and the inner wall of driving ring 7 is fixedly connected with limiting block 704, the upper end of rotating shaft 604 is fixedly connected with lifting sleeve 6, and the lower end of rotating shaft 604 is symmetrically provided with limiting groove 605, limiting groove 605 is buckled on the side surface of limiting block 704, and limiting groove 605 and limiting block 704 can limit rotating shaft 604 and lifting sleeve 6, thereby facilitating the rotation of driving ring 7 to drive lifting sleeve 6.

[0023] As a technical optimization scheme of the utility model, the side surface of the rotating shaft 604 is sleeved with the bearing 602, both side surfaces of the bearing 602 are provided with the buckle piece 601, and the bearing 602 can reduce the friction between the upper end of the driving ring 7 and the lower end of the lifting sleeve 6, further improving the service life of the lifting sleeve 6 and the driving ring 7.

[0024] As a technical optimization scheme of the utility model, the inner side surface of the buckle piece 601 is provided with a plurality of grooves, and the grooves correspond to the rolling balls inside the bearing 602.

[0025] As a technical optimization scheme of the utility model, the driving ring 7, the supporting rod 701 and the piston 702 are located inside the damping sleeve 2, the side surface of the driving ring 7 is provided with the buckle groove 703, the upper end side surface of the damping sleeve 2 is provided with the buckle point 3, and the buckle point 3 is buckled inside the buckle groove 703 by extruding the buckle point 3, so that the driving ring 7 is fixedly installed inside the damping sleeve 2.

[0026] When the hinge is opened or closed, the spring sleeve 1 and the damping sleeve 2 are relatively rotated, so that the damping sleeve 2 drives the driving ring 7 to rotate relative to the spring sleeve 1 through the buckle point 3 and the buckle groove 703 on the side surface of the driving ring 7, then the driving ring 7 drives the rotating shaft 604 to rotate through the limiting block 704 and the limiting groove 605, at this time the rotating shaft 604 drives the lifting sleeve 6 to rotate, then the lifting sleeve 6 drives the lifting shaft 5 to ascend or descend through the driving rod 8 inside the through hole 603 and the spiral through hole 502, so that the upper end of the lifting shaft 5 will push the spring 4 to compress or stretch, and the hinge can be buffered and damped through the supporting rod 701 and the piston 702 at the lower end of the driving ring 7 when the spring 4 stretches or compresses, avoiding impact force on the cabinet door or window installed on the hinge, so as to protect the cabinet door or window.

[0027] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0029] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A novel hydraulic hinge shaft, comprising a spring sleeve (1), characterized in that: The inner surface of the spring sleeve (1) is fixedly connected with teeth, and a damping sleeve (2) is installed at the lower end of the spring sleeve (1). The spring sleeve (1) is provided with a lifting sleeve (6), and a lifting shaft (5) is rotatably connected inside the lifting sleeve (6). The upper surface of the lifting shaft (5) is fixedly connected with external teeth (501), and the external teeth (501) mesh with the teeth inside the spring sleeve (1). A spring is fixedly installed at the upper end of the lifting shaft (5). (4), and the upper end of the spring (4) is fixedly connected to the inner wall of the spring sleeve (1). The lower end of the lifting shaft (5) is provided with a spiral through hole (502), and a drive rod (8) is slidably provided inside the spiral through hole (502). The side surface of the lifting sleeve (6) is provided with a through hole (603), and the two ends of the drive rod (8) are located inside the through hole (603). A hydraulic mechanism is provided below the lifting sleeve (6), and the hydraulic mechanism is located inside the damping sleeve (2).

2. The novel hydraulic hinge shaft according to claim 1, characterized in that: The hydraulic mechanism includes a drive ring (7), and a support rod (701) is fixedly connected to the lower surface of the drive ring (7), and a piston (702) is fixedly connected to the lower end of the support rod (701).

3. The novel hydraulic hinge shaft according to claim 2, characterized in that: The inner side of the drive ring (7) is fitted with a rotating shaft (604), and the inner sidewall of the drive ring (7) is symmetrically fixedly connected with a limiting block (704). The upper end of the rotating shaft (604) is fixedly connected to the lifting sleeve (6), and the lower end of the rotating shaft (604) is symmetrically provided with a limiting groove (605). The limiting groove (605) is snapped onto the side surface of the limiting block (704).

4. A novel hydraulic hinge shaft according to claim 3, characterized in that: The side surface of the rotating shaft (604) is fitted with a bearing (602), and both sides of the bearing (602) are provided with a snap-fit ​​piece (601).

5. A novel hydraulic hinge shaft according to claim 4, characterized in that: The inner surface of the buckle piece (601) is provided with several grooves, and the grooves correspond to the balls inside the bearing (602).

6. A novel hydraulic hinge shaft according to claim 2, characterized in that: The drive ring (7), support rod (701) and piston (702) are located inside the damping sleeve (2), and the side surface of the drive ring (7) is provided with a snap groove (703), and the upper side surface of the damping sleeve (2) is provided with a snap point (3).

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