Hasp structure of metro traction vehicle

Abstract

The utility model provides a hasp structure of a metro traction vehicle. The hasp structure of the metro traction vehicle comprises a hasp body, a lap joint block body arranged at the bottom end of the hasp body, an upper protective shell arranged outside the hasp body and a lower protective shell arranged outside the hasp body. Through the arrangement of the upper protection shell, the lower protection shell and the protection frame, the upper protection shell and the lower protection shell protect and isolate the hasp structure and prevent sundries and particles from entering the hasp structure, the protection frame is installed and fixed through the installation plates on the two sides, an inner abutting plate makes contact with the hasp structure, and a protection spring can buffer and absorb vibration and bumping in the using process of the tractor; therefore, connection of the hasp structure is protected and reinforced, jolt and vibration of the hasp structure are reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway tractor technology field especially relates to a subway tractor vehicle's hasp structure. BACKGROUND

[0002] The tractor applied in the subway field usually realizes the accurate butt joint of the tractor and the subway through the hasp structure, and the common hasp connecting mode of the existing hasp structure is that the hasp rod on the tractor is stretched and buckled into the connecting hook on the subway, application number CN219989227U discloses a hasp structure of subway tractor vehicle belongs to the subway traction technical field, one side lower end of the subway tractor is fixedly connected with the overlapping block no.

[0003] The subway tractor is very fast in the use process, and the force applied for traction is very large, and the jolt is continuously generated in the use process, the fastening connection of the hasp structure is continuously vibrated and extruded, long-time use can cause the deformation and loosening of the fastening connection, can influence the stable connection of the hasp structure, and can make the jolt and vibration intensify, the existing device lacks the effect of reinforcing the connection of the hasp structure and reducing the jolt and vibration of the hasp structure UTILITARIAN CONTENT

[0004] The purpose and effect of the hasp structure of the subway tractor vehicle are achieved by the following specific technical means: a hasp structure of subway tractor vehicle, including the hasp main part and the overlapping block main part arranged at the bottom end of the hasp main part:

[0005] The upper protective shell is arranged outside the hasp main part;

[0006] The lower protective shell is arranged outside the hasp main part.

[0007] Preferably, the upper protective shell and the lower protective shell are both hollow cylindrical in shape, and the upper protective shell is movably connected to the lower protective shell through a hinge on one side.

[0008] Preferably, the lower protective shell and the upper protective shell are both provided with protective frames, and the protective frames are arranged in a circular array, and each protective frame is provided with mounting plates on both sides.

[0009] Preferably, each of the protection frames comprises a mounting frame, a mounting plate, a support frame, a protection spring and an abutting plate, each of the mounting frames is arranged on the corresponding lower protection shell and upper protection shell, each of the mounting frames is provided with a support frame, each of the support frames is provided with a plurality of support frames, each of the support frames penetrates the corresponding upper protection shell and lower protection shell, each of the support frames is provided with a protection spring inside the corresponding upper protection shell and lower protection shell, and each of the protection springs is provided with an abutting plate at the top end.

[0010] Preferably, the bottom end of the upper protection shell is provided with a rubber gasket, the inside of the top end of the lower protection shell is provided with a sealing installation groove, and the size of the rubber gasket is matched with the size of the inside of the sealing installation groove.

[0011] Preferably, one side of the inside of the lower protection shell is provided with a storage assembly, the storage assembly comprises a moisture-proof box body, an air outlet, a moisture-proof block and a block spring, the moisture-proof box body is arranged on one side of the inside of the lower protection shell, the inside of the moisture-proof box body is provided with a drying reagent, the air outlet is arranged through the side wall of the moisture-proof box body near the lower protection shell, the moisture-proof block is arranged on one side of the moisture-proof box body near the lower protection shell, the moisture-proof block is L-shaped, the bottom end of the moisture-proof block is provided with a block spring, and the block spring is arranged in the inside of the lower protection shell.

[0012] Preferably, the buckle body comprises a pull rod, a spring, a limiting device, a connecting block, a hinge shaft, a through hole, a buckle, a clamping block, a fixing device, an inner cavity, a movable rod and a baffle.

[0013] Preferably, the clamping block body comprises a clamping block one and a clamping block two.

[0014] Beneficial effects

[0015] 1. By arranging the upper protection shell, the lower protection shell and the protection frame, the upper protection shell and the lower protection shell protect and isolate the buckle structure, prevent foreign particles from entering, the protection frame is installed and fixed through the two mounting plates, the abutting plate inside contacts the buckle structure, and the protection spring can buffer and absorb the vibration and jolt in the process of using the towing vehicle, thereby protecting and reinforcing the buckle structure connection, reducing the jolt and vibration of the buckle structure, and prolonging the service life.

[0016] 2. By arranging the storage assembly, the rubber gasket and the sealing installation groove, the rubber gasket and the sealing installation groove provide a sealed environment for the inside of the protection shell, the moisture-proof block blocks the air outlet when the upper protection shell and the lower protection shell are opened, the moisture-proof block is separated from the air outlet when the upper protection shell and the lower protection shell are closed, the inside of the protection shell is a closed space, the moisture-proof box body dries the internal environment, and the buckle structure is provided with moisture-proof protection, and the drying effect is more durable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0018] Figure 2 This is a three-dimensional structural diagram of the protective shell of this utility model.

[0019] Figure 3 This is a three-dimensional structural diagram of the protective frame of this utility model.

[0020] Figure 4 This is a schematic diagram of the internal structure of the protective component of this utility model.

[0021] Figures 1-4 In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Buckle body; 2. Overlap block body; 3. Upper protective shell; 4. Storage components; 401. Moisture-proof box body; 402. Air outlet; 403. Moisture-proof block; 404. Block spring; 5. Lower protective shell; 6. Protective frame; 601. Mounting frame; 602. Mounting plate; 603. Support frame; 604. Protective spring; 605. Abutment plate; 7. Rubber gasket; 8. Sealing mounting groove. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0024] First Embodiment

[0025] As attached Figure 1 Appendix Figure 2 and attached Figure 3 As shown: A latch structure for a subway traction vehicle includes a latch body 1 and a latching block body 2 disposed at the bottom of the latch body 1. The latch body 1 includes a pull rod, a spring, a limiting device, a connecting block, a hinge shaft, a through hole, a latch, a locking block, a fixing device, an inner cavity, a movable rod, and a baffle. The latching block body 2 includes a latching block one and a latching block two.

[0026] The upper protective shell 3 is located outside the hook and loop body 1; the lower protective shell 5 is located outside the hook and loop body 1. Both the upper protective shell 3 and the lower protective shell 5 are hollow cylinders. One side of the upper protective shell 3 is movably connected to one side of the lower protective shell 5 via a hinge. When the upper protective shell 3 and the lower protective shell 5 are closed, the hook and loop structure can be protected and isolated to prevent foreign particles from entering and affecting the normal use of the hook and loop structure.

[0027] Both the lower protective shell 5 and the upper protective shell 3 are provided with protective frames 6. The protective frames 6 are arranged in a circular array. Each protective frame 6 has a mounting plate 602 on both sides. The protective frame 6 is fixed in the working position by the mounting plates 602 on both sides.

[0028] Each protective frame 6 includes a mounting frame 601, a mounting plate 602, a support frame 603, a protective spring 604, and an abutment plate 605. Each mounting frame 601 is mounted on the corresponding lower protective shell 5 and upper protective shell 3. Each mounting frame 601 is equipped with a support frame 603. There are multiple support frames 603 in each group. Each support frame 603 passes through the corresponding upper protective shell 3 and lower protective shell 5. Each support frame 603 is equipped with a protective spring 604 located inside the corresponding upper protective shell 3 and lower protective shell 5. The abutment plate 605 is located at the top of each protective spring 604. The abutment plate 605 inside the upper protective shell 3 and lower protective shell 5 contacts the latch structure. The protective spring 604 will buffer and absorb the vibration and bumps of the latch structure during the use of the tractor, thereby protecting and reinforcing the latch structure connection, reducing the vibration and bumps of the latch structure, and extending its service life.

[0029] Second Embodiment

[0030] As attached Figure 1 Appendix Figure 2 and attached Figure 4 As shown: The bottom of the upper protective shell 3 is provided with a rubber gasket 7, and the top of the lower protective shell 5 is provided with a sealing installation groove 8. The size of the rubber gasket 7 is adapted to the size of the sealing installation groove 8. When the upper protective shell 3 and the lower protective shell 5 are closed, the rubber gasket 7 and the sealing installation groove 8 provide a sealing environment for the inside of the protective shell.

[0031] A storage component 4 is provided inside one side of the lower protective shell 5. The storage component 4 includes a moisture-proof box 401, an air vent 402, a moisture-proof block 403, and a block spring 404. The moisture-proof box 401 is located inside one side of the lower protective shell 5 and contains a desiccant. An air vent 402 is provided through the inner wall of the moisture-proof box 401 near the lower protective shell 5. A moisture-proof block 403 is provided on the side of the moisture-proof box 401 near the lower protective shell 5. The moisture-proof block 403 is L-shaped. A stop spring 404 is provided at the bottom of the 03. The stop spring 404 is located inside the lower protective shell 5. When the upper protective shell 3 and the lower protective shell 5 are opened, the moisture-proof stop 403 blocks the air outlet 402, preventing the reagent inside the moisture-proof box 401 from contacting the external environment. When the upper protective shell 3 and the lower protective shell 5 are closed, the moisture-proof stop 403 disengages from the air outlet 402, allowing the reagent inside the moisture-proof box 401 to contact the external environment, thus drying the internal environment of the protective shell and providing moisture protection for the snap-on structure. The drying effect is also more durable.

[0032] Working principle: close the upper protective shell 3 and the lower protective shell 5, can protect the buckle structure isolation, prevent sundry particles into the buckle structure normal use, protection frame 6 is installed and fixed on the work position through both sides mounting plate 602, the abutment plate 605 in the upper protective shell 3 and the lower protective shell 5 contact with the buckle structure, protection spring 604 will be in the process of using the buckle structure of the tractor vibration and toss to buffer absorption, thereby protecting the buckle structure connection, reduce the buckle structure toss vibration, prolong its service life, when the upper protective shell 3 and the lower protective shell 5 open, the moisture baffle 403 blocks the air outlet 402 to prevent the reagent in the moisture-proof box body 401 from contacting the external environment, when the upper protective shell 3 and the lower protective shell 5 are closed, the rubber gasket 7 and the sealing installation groove 8 provide a sealed environment for the inside of the protective shell, the moisture baffle 403 is separated from the air outlet 402, the reagent in the moisture-proof box body 401 contacts the external environment, the inside of the protective shell is a closed space, the moisture-proof box body 401 only dries the internal environment of the protective shell, provides moisture-proof protection for the buckle structure, and the drying effect is more durable.

Claims

1. A buckle structure of a subway traction vehicle, comprising a buckle body (1) and a clamping block body (2) arranged at the bottom end of the buckle body (1), characterized in that: an upper protective shell (3) is arranged outside the buckle body (1); and a lower protective shell (5) is arranged outside the buckle body (1). The upper protective shell (3) and the lower protective shell (5) are both hollow cylindrical in shape, and one side of the upper protective shell (3) is movably connected to one side of the lower protective shell (5) through a hinge. The lower protective shell (5) and the upper protective shell (3) are both provided with protective frames (6) penetrating therethrough, and the protective frames (6) are arranged in a circular array, and each protective frame (6) is provided with mounting plates (602) on both sides thereof.

2. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: Each protective frame (6) comprises a mounting frame (601), a mounting plate (602), a support frame (603), a protective spring (604) and an abutting plate (605), each mounting frame (601) is arranged on the corresponding lower protective shell (5) and upper protective shell (3), each mounting frame (601) is provided with a support frame (603) thereon, each group of support frames (603) is a plurality of in number, each support frame (603) penetrates the corresponding upper protective shell (3) and lower protective shell (5), each support frame (603) is provided with a protective spring (604) on the inside of the corresponding upper protective shell (3) and lower protective shell (5), and each protective spring (604) is provided with an abutting plate (605) at the top end thereof.

3. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: The bottom end of the upper protective shell (3) is provided with a rubber gasket (7), and the inside of the top end of the lower protective shell (5) is provided with a sealing mounting groove (8), and the size of the rubber gasket (7) is matched with the size of the inside of the sealing mounting groove (8).

4. The buckle structure of a subway traction vehicle according to claim 3, characterized in that: One side of the inside of the lower protective shell (5) is provided with a storage assembly (4), and the storage assembly (4) comprises a moisture-proof box body (401), an air outlet (402), a moisture-proof stop block (403) and a stop block spring (404), the moisture-proof box body (401) is arranged on one side of the inside of the lower protective shell (5), the inside of the moisture-proof box body (401) is provided with a drying reagent, the moisture-proof box body (401) is provided with the air outlet (402) penetrating through the inner wall on one side of the lower protective shell (5), the moisture-proof box body (401) is provided with the moisture-proof stop block (403) on one side of the lower protective shell (5), the moisture-proof stop block (403) is L-shaped, the bottom end of the moisture-proof stop block (403) is provided with the stop block spring (404), and the stop block spring (404) is arranged in the inside of the lower protective shell (5).

5. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: The buckle body (1) comprises a pull rod, a spring, a limiting device, a connecting block, a hinge shaft, a penetrating hole, a buckle, a clamping block, a fixing device, an inner cavity, a movable rod and a baffle.

6. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: The clamping block body (2) comprises a clamping block one and a clamping block two.

7. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: ​ 8. The buckle structure of a subway traction vehicle according to claim 1, characterized in that: ​

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