Fixator for cab door of engineering truck

Abstract

The utility model relates to the technical field of fixers for cab doors of engineering trucks, and discloses a fixer for a cab door of an engineering truck, which comprises an actuating mechanism, a V-shaped gasket is arranged at one end of the actuating mechanism, a bushing is arranged in the actuating mechanism, a sliding pin is arranged on the actuating mechanism, and the sliding pin is connected with the V-shaped gasket. A rubber space ring is arranged at the end, away from the V-shaped gasket, of the lining, a jacking shaft is arranged in the rubber space ring, a shell is arranged at the end, away from the rubber space ring, of the jacking shaft, a first spring is arranged in the shell, one end of the first spring is connected with the shell, and the other end of the first spring is connected with a threaded sleeve; one end, far away from the spring I, of the threaded sleeve is provided with a knob, and the knob is provided with a pin. According to the utility model, the main body is light and handy, the opening hand feeling is comfortable, the closing is gapless, and the structural reliability and the vibration resistance are good under high-frequency vibration and inertial impact.

Description

Technical Field

[0001] This utility model relates to the technical field of fixing devices for the cab doors of engineering vehicles, specifically a fixing device for the cab doors of engineering vehicles. Background Technology

[0002] In engineering vehicle applications, the cab door fastener is a crucial component ensuring driving safety and convenience. As the operational environment of engineering vehicles becomes increasingly complex and diverse, the performance requirements for cab door fasteners are also rising. Currently, the most similar existing engineering vehicle cab door fastener solutions to the technical solution of this invention typically employ traditional materials and designs. In terms of materials, internal components are mostly made of copper-plated zinc, and the selection and design of external materials are relatively simple. In terms of functionality, remote control is lacking, and the operation method is also relatively traditional. However, the existing technical solutions have many shortcomings. In terms of material performance, copper-plated zinc is prone to wear, resulting in insufficient overall strength and durability. In terms of structural design, the style is monotonous and the knobs are not ergonomic, making operation complicated and inconvenient for drivers. In terms of functional characteristics, it lacks remote control expansion capabilities and cannot meet the intelligent and convenient needs of modern engineering vehicles. At the same time, it lacks an effective sealing and buffering design, and cannot prevent rain and dust. When used in harsh environments, dust and rainwater can easily penetrate, affecting the normal use and service life of the fastener. In addition, the existing fasteners perform poorly in terms of vibration resistance. When subjected to high-frequency vibration and inertial impact, the structural reliability is poor, and it cannot provide a stable and reliable fixing effect for the cab door of the engineering vehicle. In summary, existing engineering vehicle cab door fixation devices have shortcomings in terms of materials, structure, and function, and a new technical solution is urgently needed to solve these problems in order to improve the overall performance and user experience of engineering vehicle cab door fixation devices. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a fixation device for the cab door of an engineering vehicle.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a fixing device for the cab door of an engineering vehicle, comprising an actuator, a V-shaped washer at one end of the actuator, a bushing inside the actuator, a sliding pin on the actuator, a rubber spacer at the end of the bushing away from the V-shaped washer, a top shaft inside the rubber spacer, a housing at the end of the top shaft away from the rubber spacer, a spring inside the housing, one end of the spring connected to the housing, and the other end of the spring connected to a threaded sleeve, a knob at the end of the threaded sleeve away from the spring, and a pin on the knob.

[0005] As a further description of the above technical solution:

[0006] An O-ring is fitted at the connection between the knob and the outer casing, and the O-ring is fixed to the glass door. A rubber pad is fitted at the end of the outer casing away from the top shaft.

[0007] As a further description of the above technical solution:

[0008] The outer ring of the rubber spacer is fitted with a second spring. One end of the second spring is connected to the rubber spacer, and the other end of the second spring is connected to the end of the outer shell where a top shaft is provided. The outer shell has evenly distributed cab door mounting holes.

[0009] As a further description of the above technical solution:

[0010] The actuator is connected to a locking pin at the end away from the V-shaped gasket. The locking pin is located inside the rubber cover. A washer is fitted on the end of the locking pin away from the actuator. The locking pin is threadedly connected to a nut. A rubber gasket is provided on the outer ring of the nut. The nut is installed at the outside of the driver's cab.

[0011] As a further description of the above technical solution:

[0012] An extension knob is fitted around the outer ring of the knob. A drive plate is located below the outer end of the extension knob. A bolt is threaded through the connection between the drive plate and the extension knob. A second nut is threaded onto the bolt. The second nut is located on the side of the drive plate away from the extension knob and is used to fasten the drive plate and the extension knob. A remote control connection point is located at the lower end of the drive plate.

[0013] This utility model has the following beneficial effects:

[0014] 1. Through the combination of elastic elements such as rubber spacers, spring one, and spring two, it can absorb the vibration and impact during the operation of the engineering vehicle, protect the fixed structure of the cab door, reduce loosening or damage caused by external forces, thereby improving the stability and service life of the fastener. The main body is lightweight, the opening feel is comfortable, and the closing is seamless. Under high-frequency vibration and inertial impact, the structure has good reliability and vibration resistance.

[0015] 2. By setting an extension knob on the knob, and a drive plate is set below the outer end of the extension knob, the drive plate can be installed and removed by connecting bolts and nuts, which facilitates manual operation of the fixture by the operator. It can also be remotely controlled through the remote control connection point, which improves the flexibility and convenience of operation. Attached Figure Description

[0016] Figure 1 Exploded view of the main component of a fixing device for the cab door of an engineering vehicle proposed in this utility model;

[0017] Figure 2 An exploded view of an extended component of a fastener for the cab door of an engineering vehicle, as proposed in this utility model.

[0018] Figure 3 This is a front view of a fastener for the cab door of an engineering vehicle proposed in this utility model;

[0019] Figure 4 This is a top view of a fastener for the cab door of an engineering vehicle proposed in this utility model;

[0020] Figure 5 This is a left view of a fastener for the cab door of an engineering vehicle proposed in this utility model.

[0021] Legend:

[0022] 1. Knob; 2. Housing; 3. Actuator; 4. Threaded sleeve; 5. Bushing; 6. Top shaft; 7. Spring 1; 8. V-shaped washer; 9. Rubber spacer; 10. Spring 2; 11. Sliding pin; 12. Pin; 13. Locking pin; 14. Rubber cover; 15. Nut 1; 16. Rubber pad 1; 17. Washer; 18. Rubber pad 2; 19. O-ring; 21. Extension knob; 22. Nut 2; 23. Drive plate; 24. Bolt. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Reference Figures 1-5 In one embodiment of this utility model: the actuator 3 of the core of the fixture is equipped with a V-shaped gasket 8 at one end. The actuator 3 has a bushing 5 inside and a sliding pin 11 installed. A rubber spacer 9 is provided at the end of the bushing 5 away from the V-shaped gasket 8. A top shaft 6 is provided inside the rubber spacer 9. The other end of the top shaft 6 is connected to the outer shell 2. A spring 7 is placed inside the outer shell 2. One end of the spring 7 is connected to the outer shell 2, and the other end is connected to the threaded sleeve 4. A knob 1 is installed at the end of the threaded sleeve 4 away from the spring 7. A pin 12 is provided on the knob 1.

[0027] In terms of detailed design, an O-ring 19 is fitted at the connection between the knob 1 and the outer shell 2. This O-ring 19 can not only effectively fix the glass door, but also play a good sealing role. A rubber pad 18 is fitted at the end of the outer shell 2 away from the top shaft 6, which can prevent damage caused by collision and further improve the sealing performance. A spring 10 is fitted on the outer ring of the rubber spacer 9. One end of the spring 10 is connected to the rubber spacer 9, and the other end is connected to the end of the outer shell 2 with the top shaft 6. At the same time, the cab door mounting holes are evenly distributed on the outer shell 2 to facilitate installation and fixing.

[0028] The end of the actuator 3 away from the V-shaped gasket 8 is connected to the ram lock pin 13. The ram lock pin 13 is located inside the rubber cover 14, which effectively prevents dust and rainwater from entering. The end of the ram lock pin 13 away from the actuator 3 is fitted with a washer 17 and is threadedly connected by a nut 15. The outer ring of the nut 15 is equipped with a rubber gasket 16. The nut 15 serves as the mounting point on the outside of the driver's cab, which not only ensures the firmness of the installation but also provides good waterproof and dustproof effects.

[0029] To enable more functional expansion, an extension knob 21 is fitted around the outer ring of knob 1. A drive plate 23 is located below the outer end of the extension knob 21. The drive plate 23 and the extension knob 21 are connected by bolts 24, and nuts 22 are tightened on the side of the drive plate away from the extension knob 21 to ensure a stable connection. The remote control connection point at the lower end of the drive plate 23 enables the fixture to have advanced remote control functionality.

[0030] In terms of material selection, the product exterior is made of glass fiber reinforced nylon (black). This material not only has good strength and wear resistance, but also effectively resists ultraviolet rays, ensuring the product's service life in various harsh environments. The knob design is simple and fully considers ergonomics, making it more comfortable and convenient for the driver to operate. The product installation process is simple, greatly facilitating the driver's use. At the same time, remote control can be achieved by connecting the metal LEVER, meeting the usage needs in different scenarios.

[0031] In terms of sealing and cushioning, a rubber-sealed cushioning design is adopted, which can effectively prevent rain and dust, and provide good protection for internal components. All internal components are made of high-strength stainless steel, which significantly improves the overall strength and wear resistance compared to the previous foreign copper-plated zinc design that was prone to wear. This fastener is suitable for keeping hinged doors in the open position in any situation. Its lightweight body design makes opening comfortable and closing without gaps. Even under high-frequency vibration and inertial impact, it can still maintain good structural reliability and vibration resistance.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fastener for the cab door of an engineering vehicle, characterized in that: The device includes an actuator (3), one end of which is provided with a V-shaped gasket (8), and a bushing (5) is provided inside the actuator (3). A sliding pin (11) is provided on the actuator (3). A rubber spacer (9) is provided at the end of the bushing (5) away from the V-shaped gasket (8). A top shaft (6) is provided inside the rubber spacer (9). A housing (2) is provided at the end of the top shaft (6) away from the rubber spacer (9). A spring (7) is provided inside the housing (2). One end of the spring (7) is connected to the housing (2), and the other end of the spring (7) is connected to a threaded sleeve (4). A knob (1) is provided at the end of the threaded sleeve (4) away from the spring (7). A pin (12) is provided on the knob (1).

2. A fastener for the cab door of an engineering vehicle according to claim 1, characterized in that: The knob (1) is fitted with an O-ring (19) at the connection between it and the outer shell (2), and the O-ring (19) is fixed to the glass door. A rubber pad (18) is fitted on the end of the outer shell (2) away from the top shaft (6).

3. A fastener for the cab door of an engineering vehicle according to claim 2, characterized in that: The outer ring of the rubber spacer (9) is fitted with a second spring (10). One end of the second spring (10) is connected to the rubber spacer (9), and the other end of the second spring (10) is connected to the end of the outer shell (2) where the top shaft (6) is provided. The outer shell (2) has evenly distributed cab door mounting holes.

4. A fastener for the cab door of an engineering vehicle according to claim 3, characterized in that: The actuator (3) is connected to a ram lock pin (13) at one end away from the V-shaped gasket (8). The ram lock pin (13) is located inside the rubber cover (14). A washer (17) is fitted at one end of the ram lock pin (13) away from the actuator (3). The ram lock pin (13) is threadedly connected to a nut (15). A rubber pad (16) is provided on the outer ring of the nut (15). The nut (15) is an installation point on the outside of the driver's cab.

5. A fastener for a cab door of an engineering vehicle according to claim 4, characterized in that: An extension knob (21) is fitted around the outer ring of the knob (1). A drive plate (23) is provided below the outer end of the extension knob (21). A bolt (24) is connected through the connection between the drive plate (23) and the extension knob (21). A nut (22) is threaded onto the bolt (24). The nut (22) is located on the side of the drive plate (23) away from the extension knob (21) and is used to fasten the drive plate (23) and the extension knob (21). A remote control connection point is provided at the lower end of the drive plate (23).

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