Brake handle structure of aviation dining car

Abstract

The utility model discloses a brake handle structure of an aviation dining car, which is applied to the technical field of brake handles of aviation dining cars, and is characterized by comprising a dining car body, a push-pull handle arranged in the horizontal direction is fixedly connected to the top of the dining car body, a brake handle is slidably connected into the push-pull handle in the vertical direction based on an elastic recovery assembly, and the brake handle is fixedly connected with a brake cable. The top of the dining car body is fixedly connected with an abutting assembly used for abutting against the brake handle so that the brake handle can pull the brake cable all the time. The utility model has the technical effects that the occupied space is reduced, and the aesthetic degree is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of brake handles for airline dining carts, in particular to a brake handle structure for an airline dining cart. Background Art

[0002] With the improvement of economic level, people will choose to take a plane when traveling long distances, and in most cases they will choose to eat on the plane. When delivering meals, flight attendants will choose to use a meal delivery cart. However, the brake device of the current meal delivery cart is mostly a foot brake device. When the plane encounters turbulence during flight, the stability of the person is very poor, and it is inconvenient to use the foot brake, which may easily cause the meal cart to slide and accidentally injure passengers.

[0003] Currently, a Chinese utility model with the announcement number CN209003108U discloses a handbrake-type passenger aircraft catering trolley, comprising a trolley body, a fixed rod mounted at the bottom of the trolley body, the other end of the fixed rod being rotatably connected to a movable rod, a brake pad matching a universal wheel being provided on one side of the bottom end of the movable rod, a telescopic rod being fixedly connected at the other end of the movable rod, a first spring being connected at one end of the telescopic rod, a brake cable being connected at the side of the upper end of the movable rod away from the brake pad, a sleeve being sleeved on the outer side of the brake cable, a handbrake handle being connected at the end of the brake cable away from the movable adjustment rod, and the handbrake handle being rotatably connected to the trolley handle;

[0004] The existing utility model uses a handbrake instead of a traditional footbrake to lock the dining cart, thereby avoiding the problem of being unable to brake when the aircraft encounters turbulent airflow. However, the existing handbrake protrudes outward from the dining cart body, which increases the floor space of the dining cart while also reducing the aesthetics of the dining cart, and thus needs improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a brake handle structure for an airline catering car, which has the advantages of reducing space occupation and improving aesthetics.

[0006] The above technical objectives of the present utility model are achieved through the following technical solutions: a brake handle structure for an airline catering cart, comprising a catering cart body; a push-pull handle arranged in a horizontal direction is fixedly connected to the top of the catering cart body, a brake handle is slidably connected to the push-pull handle in a vertical direction based on an elastic recovery component, the brake handle is fixedly connected to the brake line, and a top connection component for supporting the brake handle so that the brake handle always pulls the brake line is fixedly connected to the top of the catering cart body.

[0007] The present invention is further configured as follows: the elastic return component includes a locking stud for fixing the push-pull handle to the dining cart body; the brake handle is provided with a through hole for the locking stud to pass through; the locking stud is sleeved and connected with a first return spring between the through hole and the sliding groove.

[0008] The utility model is further configured as follows: a sliding groove for the brake handle to slide is opened on the push-pull handle, and when in the braking state, the brake handle slides into the sliding groove.

[0009] The present invention is further configured as follows: the top connection assembly includes a fixing seat fixedly connected to the dining car body and a mounting shaft fixedly connected to the fixing seat, and a top connection block for top connection to the brake handle is coaxially rotatably connected to the mounting shaft, and the top connection block is rotatably connected to the mounting shaft based on a segmented adjustment assembly.

[0010] The present invention is further configured as follows: the segmented adjustment assembly includes a plurality of segmented adjustment grooves which are opened on the mounting shaft along the circumferential direction and are in an arc-shaped structure; an adjustment hole is opened in the top connection block; and a segmented adjustment ball is movably connected in the adjustment hole based on a second return spring and is used to snap into the segmented adjustment groove to achieve the snap-fitting and fixed connection of the top connection block to the mounting shaft.

[0011] The utility model is further configured as follows: four segmented adjustment slots are provided on the installation shaft.

[0012] The utility model is further configured as follows: an abutment support block is symmetrically fixedly connected to the dining cart body for abutting and supporting the bottom of the brake handle so that a distance is maintained between the brake handle and the dining cart body for easy grasping, and an abutment support groove for accommodating the brake handle is provided on the abutment support block.

[0013] In summary, the present invention has the following beneficial effects:

[0014] 1. A push-pull handle and a brake handle are provided on the top of the dining car body and are slidably connected to the push-pull handle in the vertical direction based on an elastic recovery component, and a top connection component for top-connecting the brake handle is fixedly connected to the top of the dining car body. When braking is required, the push-pull handle and the brake handle are held simultaneously to press the brake handle upward into the push-pull handle, thereby pulling the brake line upward to achieve braking. When the brake state needs to be maintained, the top connection block is driven to rotate on the installation shaft so that the top connection block abuts and supports the bottom of the brake handle. The structure is simple, and by directly arranging the brake handle on the top of the dining car body, the space occupied by the airline dining car is reduced, and the aesthetics is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0016] Figure 2 2 is a schematic structural diagram of the brake handle of this embodiment;

[0017] Figure 3 is a cross-sectional view of the structure of the elastic recovery component of this embodiment;

[0018] Figure 4 It is a structural cross-sectional view of the top connection assembly of this embodiment.

[0019] Figure numerals: 1. Dining cart body; 2. Push-pull handle; 3. Brake handle; 4. Brake line; 5. Elastic return assembly; 51. Locking stud; 52. Through hole; 53. First return spring; 6. Top connection assembly; 61. Fixed seat; 62. Mounting shaft; 63. Top connection block; 64. Segment adjustment assembly; 65. Segment adjustment groove; 66. Adjustment hole; 67. Second return spring; 68. Segment adjustment ball; 7. Sliding groove; 8. Abutment support block; 9. Abutment support groove. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below with reference to the accompanying drawings.

[0021] Example:

[0022] refer to Figures 1 to 4 , a brake handle structure of an airline catering car includes a catering car body 1, a push-pull handle 2 arranged in the horizontal direction is fixedly connected to the top of the catering car body 1, a brake handle 3 is slidably connected to the push-pull handle 2 in the vertical direction based on an elastic recovery component 5, the brake handle 3 and the brake line 4 are fixedly connected, and a top connection component 6 for top-connecting the brake handle 3 is fixedly connected to the top of the catering car body 1 so that the brake handle 3 always pulls the brake line 4. When braking is needed, the push-pull handle 2 and the brake handle 3 are held at the same time to press the brake handle 3 upward into the push-pull handle 2, thereby pulling the brake line 4 upward to achieve braking. When the braking state needs to be maintained, The top assembly 6 presses against the top of the brake handle 3 so that the braking state is maintained, and an abutting support block 8 is symmetrically fixedly connected to the dining cart body 1 for abutting and supporting the bottom of the brake handle 3 so that a distance is maintained between the brake handle 3 and the dining cart body 1 for easy grasping. The abutting support block 8 is provided with an abutting support groove 9 for accommodating the brake handle 3. By providing the abutting support block 8 so that a distance is maintained between the brake handle 3 and the dining cart body 1, it is convenient for the hand to reach into the gap between the brake handle 3 and the dining cart body 1 so as to grasp the push-pull handle 2 and the brake handle 3, avoiding the need to use the hand to pull the brake handle 3 to achieve unlocking, thereby improving the comfort of operation.

[0023] refer to Figure 2 and Figure 3 Specifically, the elastic return component 5 includes a locking stud 51 for fixing the push-pull handle 2 to the dining car body 1, and a through hole 52 for the locking stud 51 to pass through is opened on the brake handle 3, and a first return spring 53 is sleeved and connected between the locking stud 51 and the sliding groove 7. The push-pull handle 2 is provided with a sliding groove 7 for the brake handle 3 to slide. When in the braking state, the brake handle 3 slides into the sliding groove 7. By holding the push-pull handle 2 and the brake handle 3 at the same time, the brake handle 3 is pressed upward into the push-pull handle 2. At this time, the first return spring 53 is compressed. When the brake needs to be released, the first return spring 53 drives the brake handle 3 to return to its initial position.

[0024] refer to Figure 2 and Figure 4 Specifically, the top connection component 6 includes a fixed seat 61 fixedly connected to the dining car body 1 and a mounting shaft 62 fixedly connected to the fixed seat 61. A top connection block 63 for top-connecting the brake handle 3 is coaxially rotatably connected to the mounting shaft 62. The top connection block 63 is rotatably connected to the mounting shaft 62 based on the segmented adjustment component 64. The segmented adjustment assembly 64 includes a plurality of segmented adjustment slots 65 circumferentially disposed on the mounting shaft 62 and having an arcuate structure. An adjustment hole 66 is disposed within the top connection block 63. Within the adjustment hole 66, a segmented adjustment ball 68 is movably connected by a second return spring 67 to engage with the segmented adjustment slot 65, thereby securing the top connection block 63 to the mounting shaft 62. The segmented adjustment ball 68 cooperates with different segmented adjustment slots 65, allowing the top connection block 63 to be stably maintained at different angles. To avoid the need to simultaneously hold the push-pull handle 2 and the brake handle 3 for extended periods of time, the top connection block 63 can be rotated to press against the bottom of the brake handle 3, thereby maintaining the dining cart in a braked state and improving user comfort. In this embodiment, four segmented adjustment slots 65 are disposed on the mounting shaft 62, with adjacent segmented adjustment slots 65 forming a 90-degree angle, allowing the top connection block 63 to be engaged with the mounting shaft 62 in either a horizontal or vertical direction.

[0025] Brief description of the usage process: When braking is required, hold the push-pull handle 2 and the brake handle 3 at the same time to press the brake handle 3 upward into the push-pull handle 2, thereby pulling the brake line 4 upward to achieve braking. When the braking state needs to be maintained, the top connection block 63 is driven to rotate on the installation shaft 62 so that the top connection block 63 abuts and supports the bottom of the brake handle 3, thereby keeping the dining car in the braking state.

[0026] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A brake handle structure for an airline catering car, comprising a catering car body (1); characterized in that: The top of the dining cart body (1) is fixedly connected to a push-pull handle (2) arranged in the horizontal direction, the push-pull handle (2) is slidably connected to a brake handle (3) in the vertical direction based on an elastic recovery component (5), the brake handle (3) is fixedly connected to the brake line (4), and the top of the dining cart body (1) is fixedly connected to a top connection component (6) for connecting the brake handle (3) so that the brake handle (3) always pulls the brake line (4); The push-pull handle (2) is provided with a sliding groove (7) for the brake handle (3) to slide. When in a braking state, the brake handle (3) slides into the sliding groove (7); The elastic return assembly (5) includes a locking stud (51) for fixing the push-pull handle (2) to the dining car body (1); the brake handle (3) is provided with a through hole (52) for the locking stud (51) to pass through; the locking stud (51) is sleeved and connected with a first return spring (53) between the through hole (52) and the sliding groove (7); The top connection assembly (6) includes a fixing seat (61) fixedly connected to the dining car body (1) and a mounting shaft (62) fixedly connected to the fixing seat (61); a top connection block (63) for top connection to the brake handle (3) is coaxially rotatably connected to the mounting shaft (62); the top connection block (63) is rotatably connected to the mounting shaft (62) based on a segmented adjustment assembly (64); The segmented adjustment assembly (64) includes a plurality of segmented adjustment grooves (65) which are opened on the mounting shaft (62) along the circumferential direction and have an arc-shaped structure. An adjustment hole (66) is opened in the top connection block (63). The adjustment hole (66) is movably connected to a segmented adjustment ball (68) which is used to engage with the segmented adjustment groove (65) based on a second return spring (67) to achieve the segmented adjustment ball (68) for engaging with the top connection block (63) and fixing it to the mounting shaft (62).

2. The brake handle structure of an airline catering car according to claim 1, characterized in that: The installation shaft (62) is provided with four segmented adjustment slots (65).

3. The brake handle structure of an airline catering car according to claim 1, characterized in that: A supporting block (8) for supporting the bottom of the brake handle (3) is symmetrically fixedly connected to the dining cart body (1) so as to maintain a distance between the brake handle (3) and the dining cart body (1) for easy grasping. The supporting block (8) is provided with a supporting groove (9) for accommodating the brake handle (3).

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