Train carriage connecting piece

Abstract

The utility model discloses a train carriage connecting piece which comprises a connecting frame, carriage fixing pieces are connected to the left side and the right side of the connecting frame in a penetrating mode, and connecting grooves are formed in the inner sides of the carriage fixing pieces. Sliding blocks are slidably connected into the upper side and the lower side of the connecting frame, one ends of the sliding blocks penetrate through the compartment fixing piece, and rotating rods are rotationally arranged on the inner sides of the sliding blocks. A first gear is fixedly connected to the outer side of the rotating rod, first racks are connected to the front side and the rear side of the first gear in an engaged mode, and the first racks are slidably arranged on the inner sides of the sliding blocks. And meanwhile, one end of the first rack penetrates through the sliding block and is in contact connection with the inner wall of the connecting groove. According to the train carriage connecting piece, the two sets of first racks move relatively, so that one ends of the first racks can be tightly attached to the inner wall of the connecting groove, the carriage fixing pieces are stably connected with the sliding blocks, and then the carriage fixing pieces are stably installed on the left side and the right side of the connecting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of carriage connection, in particular to a train carriage connecting piece. Background Art

[0002] A number of carriages are connected behind the locomotive, and the locomotive drives the carriages to travel, and the carriages are connected by connecting pieces. The connecting device between existing small trains is generally equipped with rotating joints at both ends of the connecting rod, and is rotatably connected to the rotating shaft on the carriage;

[0003] Publication No. "CN217969526U" is a small train carriage connection device, including a train carriage and a connection device, a connection device is provided between the train carriages, the connection device includes a telescopic rod assembly and a connecting rod assembly, the telescopic rod assembly is connected to the connecting rod assembly, the telescopic rod assembly includes a sleeve rod 1 and a sleeve rod 2, a sleeve rod 2 is provided inside the sleeve rod 1 and one end of the sleeve rod 2 is outside the sleeve rod 1, one end of a compression spring is connected to a slide plate 1 and the other end is connected to the inner wall of the left part of the sleeve rod 1, the connecting rod assembly includes a connecting rod and a spherical joint, a spherical joint is provided on the connecting rod, and the bottom of the spherical joint is an interface The structure is that a box is provided on the upper part of the connecting rod, and the bottom of the box is connected to the upper part of the connecting rod; the device is connected to the ball joint through a ball, so that the ball joint can rotate in all directions on the ball, so that the connection between the telescopic rod assembly and the connecting rod assembly is more flexible and is no longer limited to rotation in a horizontal plane. By providing a compression spring in the connecting rod assembly, the connecting rod assembly can be adjusted by slightly rotating multiple angles and compressed and stretched in coordination with the flexibly rotating connecting rod when the carriage is bumped, which greatly reduces the impact between the carriage and the connecting device when the train carriage is bumped.

[0004] The device connects the ball and the ball joint so that two sets of train carriages are installed on the left and right sides of the connection device respectively. Since the ball can rotate inside the ball joint, there is a gap between the ball and the ball joint. Therefore, when the train brakes, it is easy to cause the connection to shake, which can easily lead to unstable connection problems. Therefore, we proposed a train carriage connector that can solve the above problems well. Utility Model Content

[0005] The purpose of the utility model is to provide a train carriage connecting piece to solve the problem proposed in the above background technology that the current device on the market is connected by a ball and a ball joint so that two sets of train carriages are respectively installed on the left and right sides of the connecting device. Since the ball can rotate inside the ball joint, there is a gap between the ball and the ball joint. Therefore, when the train brakes, it is easy to cause the connection to shake, which can easily lead to an unstable connection.

[0006] To achieve the above object, the utility model provides the following technical solution: a train carriage connector, comprising a connecting frame, wherein carriage fixing members are connected through both left and right sides of the connecting frame, and connecting grooves are provided inside the carriage fixing members, and two sets of carriage fixing members are centrally symmetrically arranged;

[0007] It also includes: sliding blocks are slidably connected to the upper and lower sides of the connection frame, and one end of the sliding block is set to pass through the carriage fixing piece, and a rotating rod is rotatably set inside the sliding block, and one end of the rotating rod is set to pass through the sliding block;

[0008] A first gear is fixedly connected to the outside of the rotating rod, and the first gear is meshed with first racks on both the front and rear sides, and the first rack is slidably arranged on the inside of the sliding block; at the same time, one end of the first rack is arranged to pass through the sliding block, and one end of the first rack is in contact with the inner wall of the connecting groove.

[0009] Preferably, one end of the sliding block is fixedly connected to a turntable, and a limiting groove is provided on the turntable at equal angles, and a threaded rod is connected through the turntable, and one end of the threaded rod is threadedly connected to the outer wall of the sliding block.

[0010] Preferably, a spring is sleeved on the outer side of the sliding block, one end of the spring is fixedly connected to the inner wall of the connecting frame, and the inner side of the other end of the spring is fixedly connected to the sliding block, and the spring can be compressed by the sliding block.

[0011] Preferably, a rotating rod is rotatably connected to the middle portion of the inner side of the connecting frame, and a second gear is fixedly installed on the outer side of the rotating rod, and a second rack is meshingly connected to the rear end of the second gear.

[0012] Preferably, the second rack is slidably arranged inside the connecting frame, and one end of the second rack is arranged to pass through the carriage fixing part and the sliding block, so that the connection between the carriage fixing part and the sliding block is more stable through the second rack.

[0013] Preferably, one end of the rotating rod is fixedly connected to a third gear, and the two sets of third gears are meshingly connected, so that the two sets of second racks move away from each other or relative to each other through the cooperation of the two sets of third gears.

[0014] Preferably, a "cross"-shaped slot is provided on the rotating rod, so that the second rack can pass through the rotating rod, thereby improving the stability of the device structure.

[0015] Compared with the prior art, the beneficial effect of the utility model is that the train carriage connecting piece is arranged to move relatively by two sets of first racks, so that one end of the first rack can be close to the inner wall of the connecting groove, so that the carriage fixing piece is stably connected to the sliding block, and then the carriage fixing piece is stably installed on the left and right sides of the connecting frame, and its specific contents are as follows:

[0016] (1) A first rack is provided, and the rotation of the turntable will drive the rotating rod to rotate, and the rotating rod will move relatively through the first racks meshingly connected to the front and rear sides of the first gear, so that one end of the two sets of first racks can contact the inner wall of the connecting groove, so that the carriage fixing part can be stably installed on the outside of the sliding block;

[0017] (2) A sliding block is provided, and the sliding block is arranged in an arc shape at one end of the carriage fixing member and at one side of the sliding block, so that the carriage fixing member can drive the sliding block to slide inside the connection frame. When the sliding block moves, it will drive the spring to be compressed. When the carriage fixing member is completely inserted into the connection frame, the sliding block will be inserted into the connection groove provided in the carriage fixing member under the action of the spring reset, and the carriage fixing member and the connection frame are limitedly connected through the sliding block;

[0018] (3) A threaded rod is provided, which passes through the turntable and has one end threadedly connected to the outer wall of the sliding block. The turntable can be limited by the threaded rod to prevent the turntable from rotating under the influence of the external environment, which is conducive to improving the stability of the turntable rotation;

[0019] (4) A second rack is provided. The rotation of the rotating rod will drive the second gear to rotate. At the same time, the rotation of the rotating rod will also drive the third gear to rotate. Through the cooperation of the two sets of third gears, one end of the two sets of second gears can pass through the carriage fixing part, the rotating rod, and the sliding block. Through the second rack, the connection between the carriage fixing part and the sliding block is more stable;

[0020] (5) A rotating rod is provided, and a "cross"-shaped slot is opened on the rotating rod so that the second rack can pass through the rotating rod, thereby improving the stability of the device structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front section structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top-sectional structure of the carriage fixing member of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure in which the carriage fixing parts of the utility model move back to back;

[0024] Figure 4 This is a schematic diagram of the front view structure of the sliding block of the utility model;

[0025] Figure 5 This is a schematic diagram of the top-sectional structure of the turntable of the utility model;

[0026] Figure 6 It is a schematic diagram of the top-sectional structure of the rotating rod of the utility model.

[0027] In the figure: 1. connecting frame; 2. carriage fixing part; 3. connecting groove; 4. sliding block; 5. rotating rod; 6. first gear; 7. first rack; 8. turntable; 9. threaded rod; 10. rotating rod; 11. second gear; 12. third gear; 13. second rack; 14. spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1: The problem of unstable connection between the carriage fixing member 2 and the connecting frame 1 is solved. The carriage fixing member 2 and the connecting frame 1 are connected in a limited position by means of the sliding block 4. Figure 1-Figure 4 The utility model provides a technical solution: a train carriage connector, comprising a connecting frame 1, the left and right sides of the connecting frame 1 are penetrated and connected with carriage fixing members 2, and the inner side of the carriage fixing members 2 is provided with a connecting groove 3, and two sets of carriage fixing members 2 are centrally symmetrically arranged;

[0030] It also includes: sliding blocks 4 are slidably connected to the upper and lower sides of the connection frame 1, and one end of the sliding block 4 is set to pass through the carriage fixing member 2, and a rotating rod 5 is rotatably set inside the sliding block 4, and one end of the rotating rod 5 is set to pass through the sliding block 4;

[0031] A first gear 6 is fixedly connected to the outside of the rotating rod 5, and the first gear 6 is meshed with a first rack 7 on both the front and rear sides, and the first rack 7 is slidably arranged on the inside of the sliding block 4; at the same time, one end of the first rack 7 is arranged to penetrate the sliding block 4, and one end of the first rack 7 is in contact with the inner wall of the connecting groove 3; a spring 14 is sleeved on the outside of the sliding block 4, and one end of the spring 14 is fixedly connected to the inner wall of the connecting frame 1, and the other end of the spring 14 is fixedly connected to the sliding block 4 on the inside, and the spring 14 can be compressed by the sliding block 4;

[0032] First, manually sleeve the connection frame 1 on the outside of a group of carriage fixings 2. Since one end of the carriage fixings 2 and one side of the sliding block 4 are arranged in an arc-shaped structure, the carriage fixings 2 will drive the sliding block 4 to slide on the inside of the connection frame 1. When the sliding block 4 moves, it will drive the spring 14 arranged on the outside to be compressed. When a group of carriage fixings 2 are completely inserted into the connection frame 1, the sliding block 4 will be inserted into the connection groove 3 provided in the carriage fixings 2 under the action of the spring 14 resetting, and the carriage fixings 2 and the connection frame 1 are limitedly connected through the sliding block 4.

[0033] Control the two groups of carriage fixing members 2 to approach each other, so that the other group of carriage fixing members 2 is completely inserted into the connection frame 1, and repeat the above steps so that both groups of carriage fixing members 2 can be limitedly installed on the left and right sides of the connection frame 1;

[0034] Embodiment 2: In this embodiment, if Figure 1-Figure 4 As shown, based on the first embodiment, a structure in which one end of two groups of first racks 7 contact the inner wall of the connecting groove 3 is also disclosed, and the specific contents are as follows;

[0035] One end of the sliding block 4 is fixedly connected to a rotating disk 8, and a limiting groove is provided on the rotating disk 8 at an equal angle, and a threaded rod 9 is connected through the rotating disk 8, and one end of the threaded rod 9 is threadedly connected to the outer wall of the sliding block 4;

[0036] Manually rotate the two sets of threaded rods 9 in sequence, so that one end of the threaded rod 9 is separated from the sliding block 4, and then manually rotate the turntable 8, so that the turntable 8 drives the rotating rod 5 to rotate inside the sliding block 4. The rotation of the rotating rod 5 will drive the first gear 6 fixedly installed on the outside thereof to rotate. The rotation of the first gear 6 will drive the two sets of first racks 7 to move relative to each other through meshing connection, so that one end of the two sets of first racks 7 contacts the inner wall of the connecting groove 3, so that the carriage fixing member 2 is stably installed on the outside of the sliding block 4;

[0037] Manually pass the threaded rod 9 through the turntable 8 and make one end of it threadedly connected to the outer wall of the sliding block 4. The threaded rod 9 can limit the turntable 8 to prevent the turntable 8 from rotating under the influence of the external environment, which is conducive to improving the stability of the rotation of the turntable 8;

[0038] Embodiment 3: In this embodiment, if Figure 1-Figure 6 As shown, based on the second embodiment, a structure in which both sets of second racks 13 can penetrate the carriage fixing member 2, the rotating rod 5, and the sliding block 4 is also disclosed, and the specific contents are as follows;

[0039] A rotating rod 10 is rotatably connected to the middle of the inner side of the connecting frame 1, and a second gear 11 is fixedly installed on the outer side of the rotating rod 10, and a second rack 13 is meshedly connected to the rear end of the second gear 11; the second rack 13 is slidably arranged on the inner side of the connecting frame 1, and one end of the second rack 13 is arranged to penetrate the carriage fixing member 2 and the sliding block 4, and the connection between the carriage fixing member 2 and the sliding block 4 is made more stable by the second rack 13; a third gear 12 is fixedly connected to one end of the rotating rod 10, and two groups of third gears 12 are meshedly connected, and the two groups of second racks 13 are matched to move back or relative to each other; a "cross"-shaped slot is provided on the rotating rod 5, so that the second rack 13 can penetrate the rotating rod 5, thereby improving the stability of the device structure;

[0040] Manually rotate the rotating rod 10, so that the rotating rod 10 drives the second gear 11 fixedly installed on the outer side thereof to rotate. The rotation of the second gear 11 will drive the second rack 13 to slide on the inner side of the connecting frame 1, so that one end of the second rack 13 passes through the carriage fixing member 2, the rotating rod 5, and the sliding block 4. When the rotating rod 10 rotates, it will also drive the third gear 12 fixedly connected at its end to rotate. Through the cooperation of the two sets of third gears 12, the two sets of second racks 13 can pass through the carriage fixing member 2, the rotating rod 5, and the sliding block 4. Through the second rack 13, the connection between the carriage fixing member 2 and the sliding block 4 is more stable;

[0041] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A train carriage connecting piece, comprising a connecting frame (1), wherein carriage fixing pieces (2) are connected through both left and right sides of the connecting frame (1), and a connecting groove (3) is provided inside the carriage fixing piece (2), and two sets of carriage fixing pieces (2) are centrally symmetrically arranged; It is characterized in that Also includes: The connection frame (1) is slidably connected with a sliding block (4) on both the upper and lower sides, and one end of the sliding block (4) is arranged to pass through the carriage fixing member (2), and a rotating rod (5) is rotatably arranged inside the sliding block (4), and one end of the rotating rod (5) is arranged to pass through the sliding block (4); The outer side of the rotating rod (5) is fixedly connected with a first gear (6), and the front and rear sides of the first gear (6) are meshedly connected with a first rack (7), and the first rack (7) is slidably arranged on the inner side of the sliding block (4); at the same time, one end of the first rack (7) is arranged to penetrate the sliding block (4), and one end of the first rack (7) is in contact with the inner wall of the connecting groove (3).

2. A railway carriage connector according to claim 1, characterized in that: One end of the sliding block (4) is fixedly connected to a rotating disk (8), and a limiting groove is provided on the rotating disk (8) at an equal angle. A threaded rod (9) is connected through the rotating disk (8), and one end of the threaded rod (9) is threadedly connected to the outer wall of the sliding block (4).

3. A railway carriage connector according to claim 2, characterized in that: A spring (14) is sleeved on the outside of the sliding block (4), one end of the spring (14) is fixedly connected to the inner wall of the connecting frame (1), and the other end of the spring (14) is fixedly connected to the inside of the sliding block (4), and the spring (14) can be compressed by the sliding block (4).

4. A railway carriage connector according to claim 3, characterized in that: A rotating rod (10) is rotatably connected to the middle of the inner side of the connection frame (1), and a second gear (11) is fixedly installed on the outer side of the rotating rod (10), and a second rack (13) is meshedly connected to the rear end of the second gear (11).

5. A railway carriage connector according to claim 4, characterized in that: The second rack (13) is slidably arranged inside the connection frame (1), and one end of the second rack (13) is arranged to penetrate the carriage fixing member (2) and the sliding block (4), thereby improving the stability of the connection between the carriage fixing member (2) and the sliding block (4).

6. A railway carriage connector according to claim 5, characterized in that: One end of the rotating rod (10) is fixedly connected to a third gear (12), and the two sets of third gears (12) are meshingly connected, so that the two sets of second racks (13) move in opposite directions or relative to each other through the cooperation of the two sets of third gears (12).

7. A railway carriage connector according to claim 6, characterized in that: The rotating rod (5) is provided with a cross-shaped slot, so that the second rack (13) can pass through the rotating rod (5).

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