Sectional type integrated shaft core on hydraulic hinge

Abstract

The utility model discloses a sectional type integrated shaft core on a hydraulic hinge, which comprises an upper shaft sleeve, a lining and a lower shaft sleeve, the upper shaft sleeve and the lower shaft sleeve are connected together through the lining, the upper shaft sleeve and the lining are welded into a whole, the center line of the upper shaft sleeve, the center line of the lining and the center line of the lower shaft sleeve are located on the same axis, and the upper shaft sleeve and the lower shaft sleeve are connected through the lining. The lower shaft sleeve and the lining do relative rotation motion, and the lower shaft sleeve and the upper shaft sleeve can rotate relative to each other along with the lining. According to the utility model, the design is reasonable, the assembly of manufacturers is facilitated, the production and manufacturing cost is further reduced, and the batch production and manufacturing are more facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field of hydraulic hinge especially relates to sectional integral axle core on hydraulic hinge. BACKGROUND

[0002] At present, along with the improvement of life quality, ordinary hinge is widely used as the hinge of building door and window, and the existing door and window are mainly realized open and close through two ways, the first way is to adopt folding hinge, this only has the hinge function, and the user needs to push the one side of door to move to the door frame when closing the door, which easily leads to too large force to cause the collision sound between door and door frame and impact, reduces the practical life of door, the second way is to adopt ordinary hinge, door stopper and door closer combination, occupies the quite big building hardware industry, the emergence of hydraulic hinge solves the problem that the large sound and the large closing force will damage the door body when closing the door. In recent years, the technology of hydraulic hinge is continuously improved, from one-way hydraulic hinge to two-way hydraulic hinge, which aims to solve the buffering problem when opening and closing the door, such as the hydraulic hinge core shaft and the hydraulic hinge with same disclosed by the Chinese utility model patent with the authorization announcement number CN218598003U, wherein the transmission shaft is arranged in the shell, the compression spring is arranged on the transmission shaft, the adjusting groove is arranged on the transmission shaft, the piston assembly and the transmission shaft are arranged in the shell, the cap is arranged on the end of the piston assembly away from the transmission shaft, the first pressure regulating part is inserted in the adjusting groove, and the ends of the first pressure regulating part are inserted in the adjusting groove, one end of the compression spring is in contact with the first pressure regulating part, the structure is more complex, which is not conducive to the batch production and low-cost manufacturing of the production and manufacturing factory, and therefore cannot meet the needs of the production and manufacturing factory, and improvement is urgently needed. CONTENT OF THE UTILITY MODEL

[0003] (I) Technical problem to be solved

[0004] In view of the defects in the prior art, the utility model provides a sectional integral axle core on hydraulic hinge, which is reasonable in design, beneficial to the assembly of the production and manufacturing factory, and further reduces the production and manufacturing cost, and is more beneficial to batch production and manufacturing.

[0005] (II) Technical scheme to be adopted

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The utility model provides a sectional integral axle core on hydraulic hinge, including upper shaft sleeve, bush and lower shaft sleeve, the upper shaft sleeve with the lower shaft sleeve is connected together through the bush, the upper shaft sleeve with the bush is welded as a whole, the centre line of upper shaft sleeve, bush and lower shaft sleeve all are on the same axis, and the lower shaft sleeve with the bush makes relative rotation, and the lower shaft sleeve can rotate relative to the bush with the upper shaft sleeve.

[0008] Preferably, the upper shaft sleeve end face of the one side in contact with the lower shaft sleeve is provided with welding hole for welding, and the welding hole is arranged in pairs.

[0009] Preferably, the welding holes are distributed correspondingly.

[0010] Preferably, the bush includes a sleeve body in clearance fit with the lower shaft sleeve, the sleeve body is integrally formed with a drop-preventing seat, the lower shaft sleeve is provided with an intermediate hole, and the intermediate hole has a smaller diameter closer to the inner hole of the upper shaft sleeve.

[0011] Preferably, the lower shaft sleeve close to the upper shaft sleeve is provided with a spiral hollow.

[0012] Preferably, the lower shaft sleeve is provided with a ball between the inside and the bush in contact.

[0013] (Three) technical effects to be achieved

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Firstly, the utility model includes an upper shaft sleeve, a bush and a lower shaft sleeve, the upper shaft sleeve and the lower shaft sleeve are connected together through the bush, the upper shaft sleeve and the bush are welded as a whole, the centre lines of the upper shaft sleeve, the bush and the lower shaft sleeve are all on the same axis, and the lower shaft sleeve and the bush make relative rotation, and the lower shaft sleeve can rotate relative to the bush with the upper shaft sleeve, which is reasonable in design, is conducive to assembly of manufacturers, thereby reducing production cost, and is more conducive to batch production.

[0016] Secondly, the utility model is provided with welding holes for welding on the upper shaft sleeve end face of the one side in contact with the lower shaft sleeve, and the welding holes are arranged in pairs, which is conducive to welding through the welding holes, thereby welding the lower shaft sleeve and the lower shaft sleeve as a whole, and improving the structural firmness. DRAWINGS

[0017] Figure 1 It is a whole schematic view of the utility model.

[0018] Figure 2 It is a sectional view of the utility model.

[0019] Figure 3The upper shaft sleeve is an integral schematic diagram.

[0020] Figure 4 The upper shaft sleeve is a main view direction schematic diagram.

[0021] Figure 5 The lower shaft sleeve is an integral schematic diagram.

[0022] Figure 6 The lower shaft sleeve is a main view direction schematic diagram.

[0023] Figure 7 The bushing is a main view direction schematic diagram.

[0024] Figure 8 The bushing is a main view direction schematic diagram.

[0025] In the figure: 1, upper shaft sleeve; 2, bushing; 3, lower shaft sleeve; 4, ball; 11, welding hole; 21, sleeve body; 22, anti-falling seat; 31, middle hole; 32, spiral hollow hole. DETAILED DESCRIPTION

[0026] In the description of the present utility model, it needs to be explained that when an element is called as "fixed to" or "set to" another element, it can be directly on another element or indirectly on another element. When an element is called as "connected to" another element, it can be directly connected to another element or indirectly connected to another element.

[0027] In the description of the present utility model, it needs to be explained that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the utility model is used, and only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited. The meaning of "several" is one or more, unless otherwise specifically limited.

[0028] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection;Can be direct connection, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above terms can be understood in the utility model with specific meaning according to specific circumstances.

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, below, through the drawing and example, the utility model is further explained in detail.But it should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the scope of the utility model.In addition, in the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0030] Example one: refer to Figure 1 And Figure 2 A segmented integral shaft core on hydraulic hinge, including upper shaft sleeve 1, bushing 2 and lower shaft sleeve 3, the upper shaft sleeve 1 and the lower shaft sleeve 3 are connected together through bushing 2, the upper shaft sleeve 1 and the bushing 2 are welded as a whole, the center line of the upper shaft sleeve 1, bushing 2 and lower shaft sleeve 3 are on the same axis, and the lower shaft sleeve 3 and the bushing 2 make relative rotation, the lower shaft sleeve 3 can rotate relative to the bushing 2 and the upper shaft sleeve 1, and the upper shaft sleeve 1 and the bushing 2 make relative rotation, since the lower shaft sleeve 3 and the bushing 2 are welded as a whole, the upper shaft sleeve 1 and the lower shaft sleeve 3 can only rotate relative to each other, and cannot move axially and radially.

[0031] Example two: can be based on example one, as shown in Figure 1 And Figure 3 The upper shaft sleeve 1 end face of the one side in contact with the lower shaft sleeve 3 is provided with welding hole 11 for welding, the welding hole 11 is arranged in pairs, which is conducive to the welding of the upper shaft sleeve 1 and the bushing 2 through the welding hole 11.Further, the welding hole 11 is distributed correspondingly, which is conducive to making the upper shaft sleeve 1 and the bushing 2 more firmly welded as a whole.

[0032] Example three: can be based on example one or example two, as shown in Figure 4 , Figure 5 . Figure 6 And Figure 7As shown, the bushing 2 comprises a sleeve body 21 in clearance fit with the lower sleeve 3, the sleeve body 21 is integrally formed with an anti-falling seat 22, the lower sleeve 3 is provided with an intermediate hole 31, the intermediate hole 31 is closer to the inner hole diameter of one end of the upper sleeve 1, which is beneficial to avoid the bushing 2 from falling out of the intermediate hole 31 completely, in use, only need to put the bushing 2 into one end of the lower sleeve 3 away from the upper sleeve 1, and then the bushing 2 will slide to the end close to the lower sleeve 3, so that the sleeve body 21 is exposed to the upper sleeve 1, and then the lower sleeve 3 is integrated with the exposed sleeve body 21 by welding, and the anti-falling seat 22 makes it not separate from the lower sleeve 3, and in the case of relative rotating motion between the bushing 2 and the lower sleeve 3, the lower sleeve 3 also makes the upper sleeve 1 rotate relatively, which is beneficial to the user's use.

[0033] Embodiment four: as shown in Figure 1 , Figure 5 and Figure 6 , a spiral hole 32 is arranged on the lower sleeve 3 close to the upper sleeve 1, which is beneficial to view the condition of the bushing 2 and facilitate the user's control.

[0034] Embodiment five: based on embodiment one or embodiment two or embodiment three or embodiment four, a ball 4 is arranged between the inside of the lower sleeve 3 and the bushing 2, which is beneficial to reduce friction during relative rotation. Specifically, a step is arranged in the lower sleeve 3, and the ball 4 is placed between the step and the bushing 2, which is more beneficial to reduce friction during relative rotation.

[0035] In use, only need to put the bushing 2 into one end of the intermediate hole 31 of the lower sleeve 3, then the lower sleeve 3 will slide to the other end of the intermediate hole 31, the other end of the lower sleeve 3 will be installed on one end of the upper sleeve 1, then the other end of the lower sleeve 3 and the upper sleeve 1 are integrated by welding through the welding hole 11, after the hinge is installed, the upper sleeve 1 is connected with the door surface hinge plate, and the lower sleeve 3 is connected with the door frame hinge plate, so that the door surface hinge plate and the door frame hinge plate rotate relatively, and the door is opened and closed. The utility model can be applied to various hydraulic hinges with four sections or three sections or two sections.

[0036] It should be noted that although the above embodiments have been described in this paper, the patent protection scope of the utility model is not limited thereby. Therefore, based on the innovative idea of the utility model, the changes and modifications of the embodiments described in this paper, or the equivalent structure or equivalent process transformation made by using the contents of the utility model specification and drawings, directly or indirectly, apply the above technical solutions to other related technical fields, which are all included in the protection scope of the utility model patent.

Claims

1. A sectional integrated axle core on a hydraulic hinge, characterized in that: The application relates to a shaft sleeve assembly, which comprises an upper shaft sleeve (1), a bushing (2) and a lower shaft sleeve (3), wherein the upper shaft sleeve (1) and the lower shaft sleeve (3) are connected together through the bushing (2), the upper shaft sleeve (1) and the bushing (2) are welded together, the center lines of the upper shaft sleeve (1), the bushing (2) and the lower shaft sleeve (3) are on the same axis, the lower shaft sleeve (3) and the bushing (2) are in relative rotating motion, and the lower shaft sleeve (3) can rotate relative to the upper shaft sleeve (1) along with the bushing (2).

2. The segmented integral axle core on a hydraulic hinge of claim 1, wherein: A welding hole (11) for welding is arranged on the end face of the upper shaft sleeve (1) on the side in contact with the lower shaft sleeve (3), and the welding holes (11) are arranged in pairs.

3. The segmented integral axle core on a hydraulic hinge of claim 2, wherein: The welding holes (11) are distributed in correspondence with each other.

4. The sectional integrated spindle core on hydraulic hinge as claimed in claim 1 or 2 or 3 wherein: The bushing (2) comprises a sleeve body (21) in clearance fit with the lower shaft sleeve (3), the sleeve body (21) is integrally formed with an anti-falling seat (22), the lower shaft sleeve (3) is provided with an intermediate hole (31), and the inner hole diameter of the intermediate hole (31) is smaller when the intermediate hole (31) is closer to one end of the upper shaft sleeve (1).

5. The sectional integrated spindle core on hydraulic hinge as claimed in claim 1 or 2 or 3 wherein: A spiral groove (32) is arranged on the lower shaft sleeve (3) close to the upper shaft sleeve (1).

6. The sectional integrated spindle core on hydraulic hinge as claimed in claim 1 or 2 or 3 wherein: Rolling balls (4) are arranged between the inside of the lower shaft sleeve (3) and the bushing (2).

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