Hydraulic manual combined locking mechanism for vehicle cab flipping

Abstract

This invention relates to a hydraulic-manual combined locking mechanism for tilting a car cab, comprising a main body, an internal locking tongue, and an internal rotating shaft. The locking tongue is fixedly connected to the rotating shaft, and both ends of the rotating shaft extend into the interior of the main body. Bearings are installed at both ends of the rotating shaft, and both ends of the rotating shaft are rotatably connected to the main body. When the hydraulic mechanism inside the main body malfunctions, a moving drive component drives a limiting component to disengage from the rotating shaft, restoring the fixed contact between the locking tongue and the rotating shaft. This allows the locking tongue to be rotated directly, effectively preventing the need for specialized repairs when the hydraulic mechanism is damaged. This makes removing internal limiting components easier and saves time wasted waiting for repairs. Simultaneously, the moving drive component drives the tilting plate to rotate. The rotation of the tilting plate no longer obstructs the oil injection hole, allowing lubricating oil to be injected through the oil injection hole, making lubrication more convenient and eliminating the need for disassembly for lubrication.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic locks and relates to a hydraulic and manual combined locking mechanism for turning over a vehicle cab. Background Art

[0002] The hydraulic lock is actually composed of two hydraulically controlled one-way valves. As the name suggests, the hydraulic lock is a "lock" that locks the circuit and prevents the oil in the circuit from flowing, so as to ensure that the cylinder can remain stationary even under a certain external load. However, when the hydraulic lock fails, it is more troublesome to remove the fixed object. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a hydraulic manual combined locking mechanism for turning over a vehicle cab, and the specific technical scheme is as follows:

[0004] A hydraulic manual combined locking mechanism for turning over a vehicle cab comprises a body, a locking tongue is arranged inside the body, a rotating shaft is installed inside the locking tongue, the locking tongue is fixedly connected to the rotating shaft, both ends of the rotating shaft extend to the inside of the body, bearings are installed at both ends of the rotating shaft, and both ends of the rotating shaft are rotatably connected to the body;

[0005] A fixing mechanism is arranged inside the body, and the fixing mechanism includes a driving member, a mounting member and a limiting member. The driving member includes a circular ring plate, and the bottom of the circular ring plate extends to form an extrusion rod, and the extrusion rod contacts the mounting member. The limiting member is slidably connected to the inside of the mounting member, and the bottom of the mounting member extends to form a moving rod. One side of the limiting member extends to the inside of the rotating shaft. Two groups of the fixing mechanism are arranged;

[0006] A flip plate is arranged inside the main body, an oil filling hole is opened inside the main body, one end of the flip plate extends to the inside of the oil filling hole, and the driving member moves the driving limiting member to disengage from the rotating shaft, while driving the flip plate to flip, and the oil filling hole is connected to the outside.

[0007] As an improvement of the above technical solution, an extrusion groove is provided inside the limiting member, and the axial cross-section shape of the extrusion groove is an isosceles trapezoid.

[0008] As an improvement of the above technical solution, one side of the moving rod is extended to form an extension block, and a first spring is provided at the bottom of the extension block, and the first spring is fixed inside the locking tongue.

[0009] As an improvement of the above technical solution, the bottom of the limiting member extends to form a sliding block, a second spring is installed on one side of the sliding block, and the second spring is fixedly connected to the sliding block.

[0010] As an improvement of the above technical solution, a sliding groove is provided inside the mounting member, and the moving rod is slidably connected to the inside of the sliding groove.

[0011] As an improvement of the above technical solution, a semicircular groove is opened inside the main body, and the axial cross-section of one end of the flip plate is arc-shaped.

[0012] When the hydraulic mechanism inside the body fails, the mobile driving member drives the limiting member to leave the inside of the rotating shaft, so that the locking tongue is in fixed contact with the rotating shaft, and the locking tongue can be directly rotated, which effectively prevents the need for special personnel to repair the device before it can be rotated after the hydraulic mechanism of the device is damaged. This makes it more convenient to remove internal limiting objects and saves time wasted while waiting for maintenance. The driving member moves and drives the flip plate to rotate at the same time. The rotation of the flip plate no longer blocks the oil filling hole, and lubricating oil can be injected from the position of the oil filling hole, making lubrication more convenient and eliminating the need for disassembly for lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the locking mechanism of the present invention;

[0014] Figure 2 is a top cross-sectional view of the locking mechanism of the present invention;

[0015] Figure 3 It is a schematic diagram of the enlarged structure of point A of the locking mechanism described in the present invention.

[0016] Figure numerals: 1. main body; 11. oil filling hole; 12. semicircular groove; 2. locking tongue; 3. rotating shaft; 4. fixing mechanism; 41. driving member; 411. circular ring plate; 412. extrusion rod; 42. mounting member; 421. moving rod; 422. extension block; 423. slide groove; 43. limiting member; 431. extrusion groove; 432. slider; 5. first spring; 6. second spring; 7. bearing; 8. flip plate. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 to Figure 3 As shown;

[0019] The invention comprises a body 1, a locking tongue 2 is arranged inside the body 1, a rotating shaft 3 is installed inside the locking tongue 2, the locking tongue 2 is fixedly connected to the rotating shaft 3, both ends of the rotating shaft 3 extend to the inside of the body 1, bearings 7 are installed at both ends of the rotating shaft 3, and both ends of the rotating shaft 3 are rotatably connected to the body 1;

[0020] The fixing mechanism 4 is arranged inside the body 1, and the fixing mechanism 4 includes a driving member 41, a mounting member 42 and a limiting member 43. The driving member 41 includes a circular plate 411, and the bottom of the circular plate 411 extends to form an extrusion rod 412, and the extrusion rod 412 contacts the mounting member 42. The limiting member 43 is slidably connected to the inside of the mounting member 42, and the bottom of the mounting member 42 extends to form a moving rod 421. One side of the limiting member 43 extends to the inside of the rotating shaft 3. The fixing mechanism 4 is provided with two groups;

[0021] The body 1 is provided with a flip plate 8, and the body 1 is provided with an oil filling hole 11. One end of the flip plate 8 extends to the inside of the oil filling hole 11. When the driving member 41 moves the driving limiting member 43 to separate from the rotating shaft 3, the flip plate 8 is driven to flip, and the oil filling hole 11 is connected to the outside.

[0022] When the hydraulic mechanism inside the body 1 fails, the driving members 41 on both sides of the body 1 are moved to make the driving members 41 on both sides move relatively, so as to facilitate driving the corresponding extrusion rods 412 to move, and the extrusion rods 412 move to drive the mounting member 42 to move, so that the mounting member 42 moves with the moving rod 421, so that the moving rod 421 extends into the inside of the limiting member 43 on the other side, drives the limiting member 43 to move, and disengages from the inside of the rotating shaft 3, and the inside of the lock tongue 2 and the rotating shaft 3 are provided with a groove for accommodating the movement of the limiting member 43, when the limiting member 43 is disengaged from the inside of the rotating shaft 3, the fixation between the lock tongue 2 and the rotating shaft 3 is released, and the lock tongue 2 can be rotated manually, which effectively prevents the hydraulic mechanism of the device from being damaged and requiring special personnel to repair before it can be rotated, making it more convenient to remove the internal limiting objects, saving time wasted when waiting for maintenance, and the driving member 41 drives the flip plate 8 to rotate while moving, so that the flip plate 8 rotates and no longer blocks the oil filling hole 11, and lubricating oil can be injected from the position of the oil filling hole 11 to directly lubricate the bearing 7, making lubrication more convenient, and no disassembly is required for lubrication;

[0023] An extrusion groove 431 is provided inside the limiting member 43, and the axial cross-section of the extrusion groove 431 is an isosceles trapezoid;

[0024] By moving the moving rod 421, the moving rod 421 extends into another extrusion groove 431, extruding the inclined surface of the extrusion groove 431, driving the limiting member 43 to move, so that the extrusion groove 431 moves more conveniently;

[0025] One side of the moving rod 421 extends to form an extension block 422 , and a first spring 5 is disposed at the bottom of the extension block 422 , and the first spring 5 is fixed inside the locking tongue 2 ;

[0026] The moving rod 421 moves, and the extension block 422 moves, so that the extension block 422 can squeeze the first spring 5, and the elasticity of the first spring 5 can drive the moving rod 421 back to its original position.

[0027] The bottom of the limiting member 43 extends to form a slider 432, and a second spring 6 is installed on one side of the slider 432, and the second spring 6 is fixedly connected to the slider 432;

[0028] When the limiting member 43 moves, the limiting member 43 moves with the slider 432, and squeezes the second spring 6 while moving, so that the elasticity of the second spring 6 drives the limiting member 43 back to the original position;

[0029] The mounting member 42 has a slide groove 423 formed inside, and the moving rod 421 is slidably connected inside the slide groove 423;

[0030] By moving the moving rod 421 inside the slide groove 423, the movement is made more stable;

[0031] A semicircular groove 12 is provided inside the body 1, and the axial cross section of one end of the flip plate 8 is in the shape of an arc;

[0032] One side of the flip plate 8 is in an arc shape, so that after the annular plate 411 squeezes the flip plate 8, the flip plate 8 can rotate with a larger amplitude, which makes it easier to inject more lubricating oil.

[0033] The working principle of the locking mechanism of the present invention is as follows; when the hydraulic mechanism inside the main body 1 fails, the driving members 41 on both sides of the main body 1 are moved to make the driving members 41 on both sides move relatively, so as to facilitate driving the corresponding extrusion rods 412 to move, and the extrusion rods 412 move to drive the mounting member 42 to move, so that the mounting member 42 moves with the moving rod 421, so that the moving rod 421 extends into the interior of the limiting member 43 on the other side, drives the limiting member 43 to move, and disengages from the interior of the rotating shaft 3, and the locking tongue 2 and the rotating shaft 3 are provided with grooves to accommodate the movement of the limiting member 43. When the limiting member 43 disengages from the interior of the rotating shaft 3, the fixation between the locking tongue 2 and the rotating shaft 3 is released, so that the locking tongue 2 can be rotated conveniently, and the locking tongue 2 can be rotated manually, and the driving member 41 moves while driving the flip plate 8 to rotate, so that the rotation of the flip plate 8 no longer blocks the oil filling hole 11, and lubricating oil can be injected from the position of the oil filling hole 11 to directly lubricate the bearing 7.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hydraulic manual combined locking mechanism for turning over a vehicle cab, comprising a body (1), a locking tongue (2) being arranged inside the body (1), a rotating shaft (3) being installed inside the locking tongue (2), the locking tongue (2) being fixedly connected to the rotating shaft (3), both ends of the rotating shaft (3) extending into the body (1), bearings (7) being installed at both ends of the rotating shaft (3), and both ends of the rotating shaft (3) being rotatably connected to the body (1); characterized in that: A fixing mechanism (4) is arranged inside the body (1), and the fixing mechanism (4) comprises a driving member (41), a mounting member (42) and a limiting member (43); the driving member (41) comprises a circular ring plate (411); the bottom of the circular ring plate (411) extends to form an extrusion rod (412); the extrusion rod (412) contacts the mounting member (42); the limiting member (43) is slidably connected to the inside of the mounting member (42); the bottom of the mounting member (42) extends to form a moving rod (421); one side of the limiting member (43) extends to the inside of the rotating shaft (3); and the fixing mechanism (4) is arranged in two groups; A flip plate (8) is arranged inside the body (1), an oil filling hole (11) is opened inside the body (1), one end of the flip plate (8) extends to the inside of the oil filling hole (11), and when the driving member (41) moves the driving limiting member (43) to separate from the rotating shaft (3), the flip plate (8) is driven to flip, and the oil filling hole (11) is connected to the outside.

2. The hydraulic and manual combined locking mechanism for turning over the vehicle cab according to claim 1 is characterized in that: An extrusion groove (431) is provided inside the limiting member (43), and the axial cross-section shape of the extrusion groove (431) is an isosceles trapezoid.

3. The hydraulic and manual combined locking mechanism for turning over the vehicle cab according to claim 1 is characterized in that: One side of the moving rod (421) extends to form an extension block (422), and a first spring (5) is provided at the bottom of the extension block (422), and the first spring (5) is fixed inside the locking tongue (2).

4. The hydraulic and manual combined locking mechanism for turning over the vehicle cab according to claim 1 is characterized in that: The bottom of the limiting member (43) extends to form a sliding block (432), and a second spring (6) is installed on one side of the sliding block (432), and the second spring (6) is fixedly connected to the sliding block (432).

5. The hydraulic and manual combined locking mechanism for turning over the vehicle cab according to claim 1 is characterized in that: A sliding groove (423) is provided inside the mounting member (42), and the moving rod (421) is slidably connected to the inside of the sliding groove (423).

6. The hydraulic and manual combined locking mechanism for turning over the vehicle cab according to claim 1, characterized in that: A semicircular groove (12) is provided inside the body (1), and the axial cross-section of one end of the flip plate (8) is in the shape of an arc.

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