A container door pull rod assembly

Abstract

The utility model discloses a container door pull rod assembly, including a door body, the inner surface of the door body is rotatably connected with a driving gear, both sides of the driving gear are meshed with a driven gear, the side wall of the driven gear is meshed with a rack, one end of the rack is fixedly connected with a latch rod, a positioning block is arranged at the lower right of the driving gear, a fan-shaped block is arranged inside the positioning block, and a ratchet is arranged on the side of the fan-shaped block. Through the above structure, the problem of uneven force on the upper and lower beams of the door frame causing the door frame to deform can be solved, and the problem that when opening the container door, the lock buckle on the upper side of the handle needs to be turned upward first, and then the handle needs to be turned out horizontally, and the four processes are operated in this way, which is cumbersome and time-consuming.

Description

Technical Field

[0001] The utility model relates to the technical field of tie rod assemblies, in particular to a tie rod assembly for a container door. Background Art

[0002] In the prior art, after searching, it is found that containers, as the main tool for international combined transport, have been widely used since they were first used in 1956 and have developed for more than 50 years. With the continuous strengthening of international trade, container transportation has become the main means of international combined transport.

[0003] Most general containers are equipped with doors for the convenience of loading and unloading goods. The current door locks of containers are composed of a lock rod fixed on the door panel and a lock seat fixed on the upper and lower ends of the door frame. By operating the handle connected to the lock rod, the lock heads at both ends of the lock rod are buckled into the lock seat, thereby locking the door. Under the influence of one or more of the following factors: Under normal circumstances, since the force on the lower beam of the door frame is much greater than the force on the upper beam of the door frame, the deformation of the door frame is mainly reflected in the vertical deviation of the lower lock seat from the normal position, which makes the lock head at the lower end of the lock rod unable to buckle into the lower lock seat. In addition, when opening the container door, the lock buckle on the upper side of the handle needs to be turned upward first, and then the handle needs to be turned out horizontally. This four-step operation is cumbersome and time-consuming. Utility Model Content

[0004] The purpose of the utility model is to provide a container door pull rod assembly, which can solve the problem of uneven force on the upper and lower beams of the door frame causing deformation of the door frame, and can also solve the problem that when opening the container door, the lock buckle on the upper side of the handle needs to be turned upward, and then the handle is turned out horizontally, and the four steps are cumbersome and time-consuming. The container door is opened, closed and locked by twisting the knob and turning the crank, making the operation simpler and saving time; and the problem of large force on the lower beam of the door frame is solved by the form of a positioning pin.

[0005] To achieve the above object, a container door pull rod assembly is provided, comprising a door body, the inner surface of the door body is rotatably connected to a driving gear, both sides of the driving gear are meshed with a driven gear, the side wall of the driven gear is meshed with a rack, one end of the rack is fixedly connected to a latch rod. A positioning block is arranged at the lower right of the driving gear, a fan-shaped block is arranged inside the positioning block, and a ratchet is arranged on the side of the fan-shaped block.

[0006] According to the container door tie rod assembly, a locking block is provided on one side of the rack, and the locking block is fixedly connected to the inner surface of the door body.

[0007] According to the container door tie rod assembly, the container door tie rod assembly according to the claim is characterized in that the outer side of the latch rod is slidably connected to a positioning buckle, and the positioning buckle is fixedly connected to the inner surface of the door body.

[0008] According to the container door pull rod assembly, the door body is provided with sockets on the upper and lower sides respectively, the sockets correspond to the latch rod, and the inner diameter of the sockets is greater than the outer diameter of the latch rod.

[0009] According to the container door tie rod assembly, the inner surface of the door body is rotatably connected to a second rotating shaft, the second rotating shaft is fixedly connected to a sector block, and the side of the sector block is fixedly connected to an extrusion strip.

[0010] According to the container door tie rod assembly, the container door tie rod assembly according to the claim is characterized in that the middle part of the positioning block is rotatably connected to a first rotating shaft, the first rotating shaft is fixedly connected to a pawl, one side of the pawl is fixedly connected to a spring, and the spring is fixedly connected to the positioning block.

[0011] According to the container door tie rod assembly, the side of the pawl away from the first rotating shaft abuts against the driving gear.

[0012] According to the container door pull rod assembly, the outer surface of the door body is rotatably connected to a turning handle, and a latch hole is provided in the middle of the driving gear, and the latch hole is engaged with the turning handle.

[0013] According to the container door tie rod assembly, a knob is provided on the outer surface of the door body, and the knob is fixedly connected to the second rotating shaft.

[0014] The utility model has the following beneficial effects:

[0015] 1. Compared with the prior art, the container door pull rod assembly is rotated by turning the handle, and the handle rotates synchronously with the driving gear, and the driving gear drives the driven gears on both sides to rotate synchronously, and the driven gear then drives the rack to move up and down. Since the rack is connected to the latch rod, the latch rod can reciprocate up and down synchronously with the rack, thereby realizing the function that the latch rod can be inserted into the socket to lock or pulled out of the socket to unlock. The process is simple to operate and saves time. In addition, since the container door is locked by means of a latch, the problem of difficulty in locking the door caused by uneven force on the upper and lower sides of the container door causing deformation is solved.

[0016] 2. Compared with the prior art, the container door pull rod assembly rotates the sector block so that one side of the sector block fits the pawl, and the pawl contacts the driving gear under the joint action of the spring and the sector block, realizing the function of the driving gear rotating in one direction and locking in the opposite direction. This structure is simple to operate and labor-saving, and avoids the rotation of the driving gear.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is an overall structural diagram of a container door pull rod assembly of the utility model;

[0020] Figure 2 This is a cross-sectional view of a container door pull rod assembly of the utility model;

[0021] Figure 3 The utility model is a container door pull rod assembly Figure 2 The enlarged view of point A in the middle;

[0022] Legend:

[0023] 1. Door body; 2. Driving gear; 3. Driven gear; 4. Rack; 5. Latch rod; 6. Positioning buckle; 7. Socket; 8. Locking block; 9. Latch socket; 10. Ratchet; 11. Spring; 12. Positioning block; 13. First rotating shaft; 14. Second rotating shaft; 15. Extrusion strip; 16. Knob; 17. Turn handle; 18. Fan-shaped block. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-3 The utility model embodiment is a container door pull rod assembly, which includes a door body 1, the inner surface of the door body 1 is rotatably connected with a driving gear 2, both sides of the driving gear 2 are meshed with a driven gear 3, the side wall of the driven gear 3 is meshed with a rack 4, one end of the rack 4 is fixedly connected with a latch rod 5, the outer side of the latch rod 5 is slidably connected with a positioning buckle 6, and the positioning buckle 6 is fixedly connected to the inner surface of the door body 1. A locking block 8 is provided on the other side of the rack 4, and the locking block 8 is fixedly connected to the inner surface of the door body 1. Sockets 7 are respectively provided on the upper and lower sides of the door body 1, and the sockets 7 correspond to the latch rod 5, and the inner diameter of the socket 7 is larger than the outer diameter of the latch rod 5.

[0026] The outer surface of the door body 1 is rotatably connected with a handle 17 , a latch hole 9 is provided in the middle of the driving gear 2 , the latch hole 9 is engaged with the handle 17 , and a knob 16 is provided on the outer surface of the door body 1 , and the knob 16 is fixedly connected with the second rotating shaft 14 .

[0027] The above structure rotates the turning handle 17 to rotate the driving gear 2, which drives the driven gear 3 to rotate, and the driven gear 3 drives the rack 4 to reciprocate up and down. The rack 4 is fixedly connected to the latch rod 5, so that the latch rod 5 and the rack 4 move synchronously. The positioning buckle 6 limits the latch rod 5 so that it will not deviate left and right during the up and down movement. When the latch rod 5 is inserted into the socket 7, the door body 1 can be locked, and when the rack 4 abuts against the locking block 8, the door body 1 can be unlocked.

[0028] A positioning block 12 is provided at the lower right of the driving gear 2, and a sector block 18 is provided inside the positioning block 12. The sector block 18 is fixedly connected to the second rotating shaft 14, and the second rotating shaft 14 is rotatably connected to the inner surface of the door body 1; a ratchet 10 is provided on the side of the sector block 18, and the ratchet 10 is fixedly connected to the first rotating shaft 13, and the first rotating shaft 13 is rotatably connected to the middle of the positioning block 12, and a spring 11 is fixedly connected to one side of the ratchet 10, and the other end of the spring 11 connected to the ratchet 10 is fixedly connected to the positioning block 12; an extrusion strip 15 is fixedly connected to the side of the sector block 18.

[0029] The above structure, by rotating the sector block 18, makes one side of the sector block 18 fit the pawl 10, and the pawl 10 contacts the driving gear 2 under the joint action of the spring 11 and the sector block 18, so as to realize the function of unidirectional rotation of the driving gear 2 and reverse locking. When one side of the sector block 18 fits the pawl 10, the extrusion strip 15 on the side of the sector block 18 will prop up the pawl 10 on the other side, so that it does not contact the driving gear 2, and does not affect the movement of the driving gear 2.

[0030] Working principle: The container door pull rod assembly, when it is locked. First, the knob 16 is turned counterclockwise to make the fan-shaped block 18 fit the left pawl 10. Under the joint action of the fan-shaped block 18 and the spring 11, the left pawl 10 is in conflict with the driving gear 2, so that the driving gear 2 can rotate clockwise and lock counterclockwise. At this time, the extrusion bar 15 squeezes the right pawl 10 to make it away from the driving gear 2, so that the right pawl 10 does not affect the movement of the driving gear 2 at this time. Then turn the handle 17 clockwise, and the driving gear 2 also rotates clockwise at this time. The driving gear 2 drives the driven gear 3 to rotate counterclockwise, and the driven gear 3 drives the left rack 4 to descend and the right rack 4 to rise. Until the latch rod 5 is inserted into the socket 7, the handle 17 stops rotating and the container door body 1 is locked. At this time, the process of locking the door has ended, and under the action of the pawl 10, the structure continues to be stable in a locked state. When the door 1 is unlocked, first, the knob 16 is turned clockwise so that the sector block 18 fits the right pawl 10. Under the joint action of the sector block 18 and the spring 11, the right pawl 10 is in conflict with the driving gear 2, so that the driving gear 2 can rotate counterclockwise and lock clockwise. At this time, the extrusion bar 15 squeezes the left pawl 10 away from the driving gear 2, so that the left pawl 10 does not affect the movement of the driving gear 2 at this time. Then turn the handle 17 counterclockwise, and the driving gear 2 also rotates counterclockwise at this time. The driving gear 2 drives the driven gear 3 to rotate clockwise, and the driven gear 3 drives the left rack 4 to rise and the right rack 4 to fall. When the rack 4 is against the locking block 8, the handle 17 stops rotating, and the container door 1 is unlocked. At this time, the door opening process is over, and under the action of the pawl 10, the structure is continuously and stably in the unlocked state.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A container door tie rod assembly, characterized in that: It comprises a door body (1), the inner surface of the door body (1) is rotatably connected to a driving gear (2), both sides of the driving gear (2) are meshedly connected to a driven gear (3), the side wall of the driven gear (3) is meshedly connected to a rack (4), and one end of the rack (4) is fixedly connected to a latch rod (5); A positioning block (12) is arranged at the lower right side of the driving gear (2), a sector block (18) is arranged inside the positioning block (12), and a ratchet (10) is arranged on the side of the sector block (18).

2. A container door tie rod assembly according to claim 1, characterized in that: A locking block (8) is provided on one side of the rack (4), and the locking block (8) is fixedly connected to the inner surface of the door body (1).

3. The container door tie rod assembly according to claim 1, characterized in that: The outer side of the latch rod (5) is slidably connected to a positioning buckle (6), and the positioning buckle (6) is fixedly connected to the inner surface of the door body (1).

4. The container door tie rod assembly according to claim 1, characterized in that: The door body (1) is provided with sockets (7) on the upper and lower sides respectively, the sockets (7) and the latch rod (5) correspond to each other, and the inner diameter of the sockets (7) is larger than the outer diameter of the latch rod (5).

5. The container door tie rod assembly according to claim 1, characterized in that: The inner surface of the door body (1) is rotatably connected to a second rotating shaft (14), the second rotating shaft (14) is fixedly connected to a fan-shaped block (18), and the side of the fan-shaped block (18) is fixedly connected to an extrusion strip (15).

6. The container door tie rod assembly according to claim 1, characterized in that: The middle part of the positioning block (12) is rotatably connected to a first rotating shaft (13), the first rotating shaft (13) is fixedly connected to the pawl (10), one side of the pawl (10) is fixedly connected to a spring (11), and the spring (11) is fixedly connected to the positioning block (12).

7. A container door tie rod assembly according to claim 6, characterized in that: The side of the ratchet pawl (10) away from the first rotating shaft (13) contacts the driving gear (2).

8. The container door tie rod assembly according to claim 1, characterized in that: The outer surface of the door body (1) is rotatably connected to a turning handle (17), and a latch hole (9) is provided in the middle of the driving gear (2), and the latch hole (9) is engaged with the turning handle (17).

9. The container door tie rod assembly according to claim 1, characterized in that: The outer surface of the door body (1) is provided with a knob (16), and the knob (16) is fixedly connected to the second rotating shaft (14).

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