Ultra-high molecular weight polyethylene door sliding block

Abstract

The utility model relates to an ultra-high molecular weight polyethylene door sliding block, which belongs to the technical field of elevators, and comprises a sliding block main body, the upper side of the sliding block main body is provided with a mounting component, the sliding block main body is provided with four sliding parts, and the four sliding parts are symmetrically distributed along the two sides of the sliding block main body; the mounting assembly comprises an eccentric shaft, the lower end of the eccentric shaft is connected with the sliding block body, the upper end of the eccentric shaft is sleeved with a mounting sleeve, and a fixing screw is arranged on the upper side of the mounting sleeve. According to the ultra-high molecular weight polyethylene door sliding block, product noise is reduced through contact friction of four points of the four sliding parts on the sliding block body, the sliding block body and the sliding parts are integrally made of ultra-high molecular weight polyethylene, sliding is smooth, the friction coefficient is low, impact resistance is high, and the service life is long; and the elevator door has good stability and guidance quality during operation, the quality of the elevator door can be improved, and good practicability is achieved.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, specifically to a door slider made of ultra-high molecular weight polyethylene. Background Technology

[0002] Elevator door sliders are fixed to the lower ends of the elevator hall door and car door, used to limit the sliding of the door panel. When the door panel is impacted, the slider acts as a retaining device. Existing elevator door sliders include a connecting plate and a rubber shoe liner. The connecting plate is a straight plate, and the rubber shoe liner is a block-shaped material, narrow at both ends and bulging in the middle. A rectangular groove is provided on the upper surface of the rubber shoe liner. The lower part of the connecting plate is inserted into the rectangular groove of the rubber shoe liner and heat-bonded to form the slider. Two horizontal circular holes are provided at the upper end of the connecting plate. Bolts pass through these holes to fix the slider to the bottom of the door panel. The rubber shoe liner of the slider is embedded in the sill groove. When the door panel is running, the rubber shoe liner slides along the sill groove, working with the door pulley to guide and limit movement.

[0003] Existing elevator door sliders have a high coefficient of friction during use, which easily generates vibration and noise, has a short service life, affects the smoothness of elevator door operation, and causes inconvenience. Therefore, an ultra-high molecular weight polyethylene door slider is proposed to solve the problems mentioned above. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an ultra-high molecular weight polyethylene door slider, which has advantages such as low friction coefficient, low noise, and long service life. It solves the problems of existing elevator door sliders having a high friction coefficient, which easily generates vibration and noise, and has a short service life, affecting the smoothness of elevator door operation and causing inconvenience during use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a door slider made of ultra-high molecular weight polyethylene, comprising a slider body, an installation assembly provided on the upper side of the slider body, and a sliding part provided on the slider body, the number of the sliding parts being four, the four sliding parts being symmetrically distributed along both sides of the slider body;

[0006] The mounting assembly includes an eccentric shaft, the lower end of which is connected to the slider body, and an mounting sleeve fitted onto the upper end of the eccentric shaft. A fixing screw is provided on the upper side of the mounting sleeve.

[0007] Furthermore, the eccentric shaft is fixedly connected to the middle part of the slider body, and a through hole is provided in the middle part of the slider body.

[0008] Furthermore, a hollow groove is provided between two adjacent sliding parts.

[0009] Furthermore, arc-shaped grooves are provided on the opposite sides of each of the two adjacent sliding parts.

[0010] Further, the fixing screw is screwed on the upper side of the mounting sleeve.

[0011] Further, the slider body and the sliding part are made of ultra-high molecular weight polyethylene.

[0012] Compared with the prior art, the super high molecular weight polyethylene door sliding block has the following beneficial effects:

[0013] The super high molecular weight polyethylene door sliding block reduces product noise through four-point contact friction of the four sliding parts on the slider body, and has the advantages that the slider body and the sliding part are made of ultra-high molecular weight polyethylene, sliding is smooth, the friction coefficient is low, the impact resistance is strong, the service life is long, the elevator door has good stability and guidance during operation, which helps to improve the quality of the elevator door, has good practicability, solves the problems of high friction coefficient, easy vibration and noise, short service life and poor stability of the elevator door in the prior art, and improves the convenience of use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a sectional view of the utility model structure;

[0015] Fig. 2 It is a front view of the utility model structure;

[0016] Fig. 3 It is a side view of the utility model structure;

[0017] Fig. 4 It is a top view of the utility model structure.

[0018] In the drawing: 1, slider body; 2, eccentric shaft; 3, sliding part; 4, mounting sleeve; 5, fixing screw; 6, hollow groove; 7, arc-shaped groove. 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 Figs. 1 to 4 The super high molecular weight polyethylene door sliding block in the embodiment comprises a slider body 1, the slider body 1 is provided with sliding parts 3, the number of the sliding parts 3 is four, the four sliding parts 3 are symmetrically distributed along the two sides of the slider body 1, and four-point contact friction of the four sliding parts 3 reduces product noise.

[0021] Among them, the hollow groove 6 is arranged between the two adjacent sliding parts 3, the hollow design of the slider main body 1 and the sliding part 3 constitutes the hollow groove 6 when forming, the amount of material is reduced, the cost is saved, the opposite sides of the two adjacent sliding parts 3 are provided with arc grooves 7, the arc grooves 7 facilitate to reduce the friction coefficient of the sliding part 3, thereby effectively reducing the friction loss during use, ensuring smooth movement of the sliding part 3, prolonging the service life of the sliding part 3, and being beneficial to long-term operation of the equipment.

[0022] It should be noted that the slider main body 1 and the sliding part 3 are made of ultra-high molecular weight polyethylene, which has a wear resistance of 5-7 times that of ordinary polyethylene, and even higher than some metal materials. The excellent wear resistance ensures the service life of the slider main body 1, and the ultra-high molecular weight polyethylene also has a very low friction coefficient, which helps to reduce the friction loss of the slider main body 1 and the sliding part 3 during operation, improves the operation efficiency and service life of the equipment, and the impact strength of the ultra-high molecular weight polyethylene is very high, which can maintain good toughness even at low temperature. When the elevator door is impacted, the strength of the slider main body 1 and the sliding part 3 is sufficient, and deformation is not easy to occur, the stability is good, and the self-lubricating performance of the ultra-high molecular weight polyethylene is good, which ensures the smooth movement of the slider main body 1 and the sliding part 3, reduces the dependence on lubricant, reduces the maintenance cost, and has good practicability.

[0023] In the embodiment, the upper side of the slider main body 1 is provided with a mounting assembly, the mounting assembly comprises an eccentric shaft 2, the lower end of the eccentric shaft 2 is connected with the slider main body 1, the upper end of the eccentric shaft 2 is sleeved with a mounting sleeve 4, the upper side of the mounting sleeve 4 is provided with a fixing screw 5, and the fixing screw 5 is threadedly installed on the upper side of the mounting sleeve 4.

[0024] Among them, the eccentric shaft 2 is fixedly connected with the middle part of the slider main body 1, the middle part of the slider main body 1 is provided with a through hole, the through hole is convenient for connecting the eccentric shaft 2 and the slider main body 1, and the installation is convenient.

[0025] The working principle of the above embodiment is as follows:

[0026] In use, the slider main body 1 and the sliding part 3 are made of ultra-high molecular weight polyethylene, the sliding is smooth, the friction coefficient is low, the impact resistance is strong, and the service life is long, so that the elevator door has good stability and guiding property during operation, which helps to improve the quality of the elevator door and has good practicability.

[0027] The mounting manner, the connecting manner or the setting manner disclosed in the embodiment are common mechanical manners, and can be implemented as long as the beneficial effects can be achieved. It should be noted that in the present document, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not 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 present application.

[0028] It should be noted that in the present document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ultra-high molecular weight polyethylene door slide comprising a slide body (1), characterised in that: The upper side of the slider body (1) is provided with a mounting assembly, the slider body (1) is provided with sliding parts (3), the number of the sliding parts (3) is four, and the four sliding parts (3) are symmetrically distributed along the two sides of the slider body (1); The mounting assembly comprises an eccentric shaft (2), the lower end of the eccentric shaft (2) is connected with the slider body (1), the upper end of the eccentric shaft (2) is sleeved with a mounting sleeve (4), and the upper side of the mounting sleeve (4) is provided with a fixed screw (5).

2. The UHMWPE door slide according to claim 1, characterized in that: The eccentric shaft (2) is fixedly connected with the middle part of the slider body (1), and the middle part of the slider body (1) is provided with a through hole.

3. The UHMWPE door slide according to claim 1, characterized in that: Adjacent two sliding parts (3) are provided with hollow grooves (6).

4. The UHMWPE door slide according to claim 1, characterized in that: The opposite sides of adjacent two sliding parts (3) are provided with arc grooves (7).

5. The UHMWPE door slide according to claim 1, characterized in that: The fixed screw (5) is threadedly mounted on the upper side of the mounting sleeve (4).

6. The UHMWPE door slide according to claim 1, characterized in that: The slider body (1) and the sliding part (3) are made of ultrahigh molecular weight polyethylene.

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