Semitrailer carriage opening and closing device

Abstract

The utility model is suitable for the technical field of semitrailers, and provides a semitrailer compartment opening and closing device which comprises a first compartment door, a second compartment door, a first door and a second door, the hinges are symmetrically arranged, and the first compartment door and the second compartment door are installed in the opening through the hinges correspondingly; the two automatic jacking positioning assemblies are symmetrically mounted on the first compartment door and the second compartment door and connected with the compartment body; the door bolt opening and closing assembly is mounted on the first compartment door and the second compartment door and used for connecting and opening the first compartment door and the second compartment door; the two automatic power assisting assemblies are installed on the outer walls of the two sides of the compartment body correspondingly, connected with the first compartment door and the second compartment door and used for assisting in opening or closing the first compartment door and the second compartment door. The automatic power assisting assembly is arranged and can provide assisting power to assist in opening the first compartment door and the second compartment door.

Description

Technical Field

[0001] The utility model belongs to the technical field of semi-trailers, and in particular relates to a semi-trailer compartment switch device. Background Art

[0002] A semitrailer is a trailer with an axle placed behind the center of the vehicle (when the vehicle is evenly loaded) and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. It is mainly used to transport large goods that are large in volume and difficult to split. It is a heavy-duty transportation vehicle connected to the semitrailer head by a traction pin.

[0003] The carriage is a compartment structure installed on the chassis of the semi-trailer. It can store goods and protect them from wind, sun and the influence of the external environment. In order to ensure the integrity of the goods in the carriage and road safety, switch structures such as bolts and door locks are generally set on the hinged doors of the carriage. However, since the door is large, it is necessary to use external force to push it open, which is time-consuming and laborious. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a semi-trailer compartment switch device, aiming to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is implemented in this way: a semi-trailer compartment switch device, the switch device comprising:

[0006] The first compartment door and the second compartment door are symmetrically mounted in openings provided on the compartment body;

[0007] There are a plurality of movable hinges, which are symmetrically arranged, and the first compartment door and the second compartment door are respectively installed in the opening through the movable hinges;

[0008] Two automatic lifting positioning components are provided, which are symmetrically mounted on the first compartment door and the second compartment door and connected to the compartment body;

[0009] A bolt switch assembly is installed on the first compartment door and the second compartment door, and is used to connect and open and close the first compartment door and the second compartment door;

[0010] There are two automatic power-assisting components, which are respectively installed on the outer walls of both sides of the carriage body, connected to the first door and the second door, and are used for power-assisting opening or closing of the first door and the second door.

[0011] Preferably, the automatic top positioning assembly comprises:

[0012] There are two mounting seats, which are mounted on the first compartment door and the second compartment door respectively;

[0013] A first hydraulic telescopic push rod is mounted on the mounting seat, and a connecting seat is mounted on the other end of the first hydraulic telescopic push rod;

[0014] A connection positioning bolt is installed on the connection seat, and receiving grooves are provided on both sides of the connection positioning bolt, and a connection block is connected to the receiving groove through an elastic body;

[0015] A positioning groove is provided on the carriage body, and clamping grooves are provided on both sides of the positioning groove, and the clamping grooves are matched with the connecting blocks.

[0016] Preferably, a pressure sensor is installed on the connecting block, and the first hydraulic telescopic push rod is controlled to be closed based on changes in pressure information received by the pressure sensor.

[0017] Preferably, the bolt switch assembly comprises:

[0018] A first connecting ring, mounted on the second compartment door;

[0019] A second connecting ring and a third connecting ring are mounted on the first compartment door;

[0020] A switch bolt is movably installed in the first connecting ring, the second connecting ring and the third connecting ring;

[0021] A switch leaf is installed on the switch bolt, and a connecting groove is provided on the switch leaf;

[0022] The switch connecting ring is installed on the first compartment door. When the switch door bolt moves to the switch leaf and cooperates with the switch connecting ring, it drives the switch leaf to rotate until the connecting groove passes through the switch connecting ring, thereby connecting the first compartment door and the second compartment door.

[0023] Preferably, the automatic power assist component comprises:

[0024] There are two support seats, which are respectively installed on the outer walls of both sides of the carriage body;

[0025] Two second hydraulic telescopic push rods are provided, one end of the second hydraulic telescopic push rod is connected to the support seat, and the other end is connected to the first compartment door and the second compartment door.

[0026] A semi-trailer compartment switch device provided by an embodiment of the utility model is aimed at the problems raised in the prior art. It is provided with an automatic power-assisting component, which can provide power assistance to help open the first compartment door and the second compartment door. An automatic top-up positioning component is arranged on the first compartment door and the second compartment door. After the second compartment door is closed on the opening by rotating the hinge, the automatic top-up positioning component is started to position it. After closing it through the door bolt switch component, the door lock is hung. When it needs to be opened, the door lock is opened, the door bolt switch component and the automatic top-up positioning component are opened, and then the automatic power-assisting component is started to assist in opening the first compartment door and the second compartment door. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic structural diagram of a semi-trailer compartment switch device provided by an embodiment of the utility model;

[0028] Figure 2 A front cross-sectional view of a semitrailer compartment switch device provided by an embodiment of the utility model;

[0029] Figure 3 A partially enlarged structural schematic diagram of a semitrailer compartment switch device provided in an embodiment of the utility model.

[0030] In the attached drawings: 1. Carriage body; 2. Opening; 3. First compartment door; 4. Second compartment door; 5. Loose leaf; 6. Mounting seat; 7. First hydraulic telescopic push rod; 8. Connecting seat; 9. Connecting positioning bolt; 10. Positioning groove; 11. Storage groove; 12. Elastomer; 13. Connecting block; 14. Pressure sensor; 15. Slot; 16. First connecting ring; 17. Second connecting ring; 18. Third connecting ring; 19. Switch door bolt; 20. Switch leaf; 21. Connecting groove; 22. Switch connecting ring; 23. Support seat; 24. Second hydraulic telescopic push rod. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0033] like Figure 1 to Figure 2 FIG. 1 is a structural diagram of a semitrailer compartment switch device provided by an embodiment of the utility model, wherein the switch device comprises:

[0034] The first door 3 and the second door 4 are symmetrically installed in the opening 2 opened on the carriage body 1;

[0035] There are a plurality of hinges 5, which are symmetrically arranged, and the first door 3 and the second door 4 are respectively installed in the opening 2 through the hinges 5;

[0036] Two automatic lifting positioning components are provided, which are symmetrically installed on the first door 3 and the second door 4 and connected to the carriage body 1;

[0037] A bolt switch assembly is installed on the first compartment door 3 and the second compartment door 4, and is used to connect and open and close the first compartment door 3 and the second compartment door 4;

[0038] There are two automatic power-assisting components, which are respectively installed on the outer walls of both sides of the vehicle body 1 and connected to the first door 3 and the second door 4 for power-assisting opening or closing of the first door 3 and the second door 4.

[0039] In one embodiment of the utility model, the semi-trailer compartment switch device is provided with an automatic power-assisting component to address the problems raised in the prior art, and can provide power assistance to help open the first compartment door 3 and the second compartment door 4. Specifically, the device is provided with an automatic top positioning component on the first compartment door 3 and the second compartment door 4. After the 3 and the second compartment door 4 are rotated and closed on the opening 2 by the hinge 5, the automatic top positioning component is started for positioning, and then the door is closed by the bolt switch component, and then the door lock is hung. When it needs to be opened, the door lock is opened, the bolt switch component and the automatic top positioning component are opened, and then the automatic power-assisting component is started to assist in opening the first compartment door 3 and the second compartment door 4.

[0040] like Figures 2 to 3 As shown, as a preferred embodiment of the utility model, the automatic top positioning assembly includes:

[0041] There are two mounting seats 6, which are mounted on the first door 3 and the second door 4 respectively;

[0042] A first hydraulic telescopic push rod 7 is mounted on a mounting seat 6, and a connecting seat 8 is mounted on the other end of the first hydraulic telescopic push rod 7;

[0043] A connection positioning bolt 9 is installed on the connection seat 8. Receiving grooves 11 are provided on both sides of the connection positioning bolt 9. A connection block 13 is connected to the receiving groove 11 through an elastic body 12.

[0044] The positioning groove 10 is provided on the carriage body 1 , and clamping grooves 15 are provided on both sides of the positioning groove 10 , and the clamping grooves 15 match with the connecting blocks 13 .

[0045] Start the first hydraulic telescopic push rod 7 to extend, drive the connecting positioning bolt 9 to extend, and drive the connecting positioning bolt 9 to go deep into the positioning groove 10. During the movement, the connecting block 13 is retracted into the storage groove 11 due to the pressure of the side wall, and the elastomer 12 is compressed until the connecting positioning bolt 9 moves to the connecting block 13 and cooperates with the slot 15. The connecting block 13 pops out under the action of the elastomer 12 and is positioned in the slot 15.

[0046] like Figure 3 As shown, as another preferred embodiment of the utility model, a pressure sensor 14 is installed on the connecting block 13, and the first hydraulic telescopic push rod 7 is controlled to be closed based on the change of pressure information received by the pressure sensor 14.

[0047] When the connecting positioning bolt 9 is moving, the pressure sensor 14 receives a pressure signal, and the first hydraulic telescopic push rod 7 is continuously opened. When the connecting block 13 cooperates with the slot 15, the pressure signal sensed by the pressure sensor 14 becomes weaker, and the first hydraulic telescopic push rod 7 is controlled to be closed.

[0048] like Figure 2 As shown, as a preferred embodiment of the utility model, the door bolt switch assembly includes:

[0049] A first connecting ring 16, mounted on the second compartment door 4;

[0050] A second connecting ring 17 and a third connecting ring 18 are mounted on the first door 3;

[0051] A switch bolt 19 is movably mounted in the first connecting ring 16, the second connecting ring 17 and the third connecting ring 18;

[0052] A switch page 20 is installed on the switch bolt 19, and a connecting groove 21 is formed on the switch page 20;

[0053] The switch connecting ring 22 is installed on the first compartment door 3. When the switch door bolt 19 moves to the switch leaf 20 and cooperates with the switch connecting ring 22, it drives the switch leaf 20 to rotate until the connecting groove 21 passes through the switch connecting ring 22, thereby connecting the first compartment door 3 and the second compartment door 4.

[0054] When it is necessary to close the first compartment door 3 and the second compartment door 4, move the switch bolt 19 until the switch page 20 cooperates with the switch connecting ring 22, then rotate the switch bolt 19 until the connecting groove 21 can pass through the switch connecting ring 22, and then hang the door lock on the ring of the switch connecting ring 22, and lock it. When it is necessary to open, first open the door lock, then rotate the switch page 20, and move the switch bolt 19 until it is disengaged from the second connecting ring 17 and the third connecting ring 18.

[0055] like Figure 1 As shown, as a preferred embodiment of the utility model, the automatic power-assisting component includes:

[0056] There are two support seats 23, which are respectively installed on the outer walls of both sides of the carriage body 1;

[0057] There are two second hydraulic telescopic push rods 24 , one end of which is connected to the support seat 23 , and the other end of which is connected to the first compartment door 3 and the second compartment door 4 .

[0058] When the bolt switch assembly is opened, the second hydraulic telescopic push rod 24 is started to retract, and a pulling force is applied to the first door 3 and the second door 4, so as to assist in opening the first door 3 and the second door 4. When the first door 3 and the second door 4 need to be closed, the second hydraulic telescopic push rod 24 is started to extend, and a thrust is applied to the first door 3 and the second door 4.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A semi-trailer compartment switch device, characterized in that: The switch device comprises: The first compartment door (3) and the second compartment door (4) are symmetrically mounted in the opening (2) provided on the compartment body (1); A plurality of movable hinges (5) are provided and are symmetrically arranged, and the first compartment door (3) and the second compartment door (4) are respectively installed in the opening (2) through the movable hinges (5); Two automatic lifting positioning components are provided, symmetrically mounted on the first compartment door (3) and the second compartment door (4), and connected to the compartment body (1); A bolt switch assembly, mounted on the first compartment door (3) and the second compartment door (4), and used for connecting and opening and closing the first compartment door (3) and the second compartment door (4); Two automatic power-assisting components are provided, which are respectively mounted on the outer walls of both sides of the vehicle body (1), connected to the first door (3) and the second door (4), and are used to assist in opening or closing the first door (3) and the second door (4).

2. The semitrailer compartment switch device according to claim 1, characterized in that: The automatic top positioning assembly comprises: Two mounting seats (6) are provided and are mounted on the first compartment door (3) and the second compartment door (4) respectively; A first hydraulic telescopic push rod (7) is mounted on the mounting seat (6), and a connecting seat (8) is mounted on the other end of the first hydraulic telescopic push rod (7); A connecting positioning bolt (9) is installed on the connecting seat (8), and receiving grooves (11) are provided on both sides of the connecting positioning bolt (9), and a connecting block (13) is connected to the receiving groove (11) via an elastic body (12); A positioning groove (10) is provided on the carriage body (1), and clamping grooves (15) are provided on both sides of the positioning groove (10), and the clamping grooves (15) are matched with the connecting blocks (13).

3. The semitrailer compartment switch device according to claim 2, characterized in that: A pressure sensor (14) is installed on the connection block (13), and the first hydraulic telescopic push rod (7) is controlled to be closed based on changes in pressure information received by the pressure sensor (14).

4. The semitrailer compartment switch device according to claim 1, characterized in that: The bolt switch assembly comprises: A first connecting ring (16) mounted on the second compartment door (4); A second connecting ring (17) and a third connecting ring (18) are mounted on the first compartment door (3); A switch bolt (19) is movably mounted in the first connecting ring (16), the second connecting ring (17) and the third connecting ring (18); A switch leaf (20) is mounted on the switch bolt (19), and a connecting groove (21) is formed on the switch leaf (20); A switch connecting ring (22) is mounted on the first compartment door (3). When the switch door bolt (19) moves to the switch leaf (20) and cooperates with the switch connecting ring (22), the switch leaf (20) is driven to rotate until the connecting groove (21) passes through the switch connecting ring (22), thereby connecting the first compartment door (3) and the second compartment door (4).

5. The semitrailer compartment switch device according to claim 1, characterized in that: The automatic power assist component comprises: Two support seats (23) are provided and are respectively mounted on the outer walls of both sides of the carriage body (1); Two second hydraulic telescopic push rods (24) are provided, one end of the second hydraulic telescopic push rods (24) is connected to the support seat (23), and the other end is connected to the first compartment door (3) and the second compartment door (4).

Images