Rear door lock rod device capable of opening rear door from inside of refrigerator car and refrigerator car

Abstract

The utility model discloses a rear door lock rod device capable of opening a rear door from the inside of a refrigerator car and the refrigerator car, and the rear door lock rod device comprises a lock rod, two lock seats, a plurality of lock rod brackets, a rear door external opening handle, a rear door internal opening handle, a lock rod lock catch circular plate and a lock rod lock catch suite, the two lock seats are arranged at the upper end and the lower end of the lock rod respectively and fixedly connected with a frame of the rear door of the refrigerator car, the lock rod brackets are arranged on a rod body of the lock rod at intervals and fixedly connected with the rear door of the refrigerator car, and the rear door external opening handle is fixed to the front side of the lock rod lock catch circular plate through the lock rod lock catch suite. The rear door internal opening handle is detachably connected to the rear side of the lock rod lock catch circular plate; the refrigerator car comprises two rear door lock rod devices. The refrigerator car rear door has the advantages that the refrigerator car rear door can be opened from the inside, and people can be prevented from being locked into the refrigerator car by mistake.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerated vehicles, in particular to a rear door locking rod device capable of opening a rear door from the inside of the refrigerated vehicle and the refrigerated vehicle. Background Art

[0002] A refrigerated truck is a closed van transport vehicle used to transport frozen or fresh goods. It is a special refrigerated transport vehicle equipped with a refrigeration unit and a polyurethane insulated compartment. It is commonly used to transport frozen foods (refrigerated trucks), dairy products (dairy transport trucks), vegetables and fruits (fresh goods transport trucks), vaccines and medicines (vaccine transport trucks), etc.

[0003] When a refrigerated truck is in use, in order to keep the goods fresh, the temperature inside the box is always at minus ten degrees or even dozens of degrees below zero. If someone accidentally enters the box and is not discovered in time by the staff, they may be mistakenly locked into the refrigerated truck by the staff. Since the temperature inside the box is very low, people staying inside for a long time can easily get frostbite or even freeze to death. Utility Model Content

[0004] The utility model aims to provide a rear door locking rod device and a refrigerated vehicle, which can open the rear door from the inside of the refrigerated vehicle, and is used to solve the technical problems existing in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A rear door lock rod device capable of opening a rear door from the interior of a refrigerated vehicle, comprising a lock rod, two lock seats, a plurality of lock rod brackets, a rear door external opening handle, a rear door internal opening handle, a lock rod lock buckle circular plate and a lock rod lock buckle kit, wherein the two lock seats are respectively arranged at the upper and lower ends of the lock rod and are both fixedly connected to the frame of the rear door of the refrigerated vehicle, the plurality of lock rod brackets are respectively arranged at intervals on the rod body of the lock rod and are both fixedly connected to the rear door of the refrigerated vehicle, the rear door external opening handle is fixed to the front side of the lock rod lock buckle circular plate through the lock rod lock buckle kit, and the rear door internal opening handle is detachably connected to the rear side of the lock rod lock buckle circular plate;

[0007] Among them, the lock rod, lock seat, lock rod bracket, rear door external opening handle, lock rod lock round plate and lock rod lock kit are all located on the outside of the rear door of the refrigerated truck, and the rear door internal opening handle is located on the inside of the rear door of the refrigerated truck.

[0008] Furthermore, it also includes a plurality of locking rod bracket inner pads, which are arranged at intervals on the inner side of the rear door of the refrigerated truck and are connected to the plurality of locking rod brackets one by one through bolts.

[0009] Furthermore, a round tube with internal threads is provided on the rear side of the locking rod locking circular plate, and a round tube with external threads is provided on the front side of the rear door internal opening handle. The rear door internal opening handle is detachably threadedly connected with the round tube with internal threads on the rear side of the locking rod locking circular plate through the round tube with external threads on the front side.

[0010] Furthermore, a heat insulating layer is provided between the rear door internal opening handle and the locking rod lock circular plate.

[0011] Furthermore, the thermal insulation layer is a polystyrene foam board or polyurethane foam plastic.

[0012] Furthermore, the locking rod lock kit includes a locking rod lock and a locking rod lock seat, the locking rod lock seat is fixed on the front side of the locking rod lock circular plate, the locking rod lock is hinged on the front side of the locking rod lock circular plate, and is located above the locking rod lock seat, and is used to cooperate with the locking rod lock seat to lock the external opening handle of the rear door.

[0013] A refrigerated truck comprises two rear door locking rod devices capable of opening the rear door from inside the refrigerated truck.

[0014] Furthermore, the refrigerated truck also includes two opposing rear doors, and the two rear door locking rod devices that can open the rear doors from the inside of the refrigerated truck are symmetrically arranged on the sides of the two opposing rear doors close to each other.

[0015] Compared with the prior art, the utility model has the following advantages: the rear door of the refrigerated truck can be opened from the inside, which can prevent someone from being locked into the refrigerated truck by mistake. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution in this embodiment, the following is a brief introduction to the drawings required for use in the description of the embodiment. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a three-dimensional structural diagram of the rear door lock rod device of the utility model which can open the rear door from the inside of the refrigerated vehicle;

[0018] Figure 2 It is a front view of the rear door locking rod device of the utility model which can open the rear door from the inside of the refrigerated vehicle;

[0019] Figure 3 It is a side view of the rear door locking rod device of the utility model which can open the rear door from the inside of the refrigerated vehicle;

[0020] Figure 4It is an exploded view of the rear door lock rod device of the utility model which can open the rear door from the inside of the refrigerated truck;

[0021] Figure 5 yes Figure 1 Enlarged view of point A in the middle;

[0022] Figure 6 yes Figure 1 Enlarged view of point B in the middle;

[0023] Figure 7 yes Figure 3 Enlarged view of point C in the middle;

[0024] Figure 8 It is a side view of the rear door interior opening handle;

[0025] Fig. 9 is a side view of the locking bar locking circular plate;

[0026] Fig.10 It is a schematic diagram of the connection between the rear door internal opening handle, the locking rod lock plate and the heat insulation layer;

[0027] Fig.11 This is a rear view of the rear door of the refrigerated truck of the utility model;

[0028] Fig.12 This is a front view of the rear door of the refrigerated truck of the utility model;

[0029] Explanation of the reference numerals in the accompanying drawings: 1. Lock rod; 2. Lock seat; 3. Lock rod bracket; 4. External opening handle of rear door; 5. Internal opening handle of rear door; 6. Lock rod lock buckle round plate; 7. Lock rod lock buckle kit; 71. Lock rod lock; 72. Lock rod lock buckle seat; 8. Lock rod bracket inner pad; 9. Refrigerated truck rear door frame; 10. Refrigerated truck rear door; 11. Thermal insulation layer. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the following further describes how the present invention is implemented in conjunction with the accompanying drawings and specific implementation methods.

[0031] See also Figures 1 to 10The utility model provides a rear door lock rod device that can open the rear door from the inside of a refrigerated truck, comprising a lock rod 1, two lock seats 2, a plurality of lock rod brackets 3, a rear door external opening handle 4, a rear door internal opening handle 5, a lock rod lock circular plate 6 and a lock rod lock kit 7. The two lock seats 2 are respectively arranged at the upper and lower ends of the lock rod 1, and are both fixedly connected to the rear door frame 9 of the refrigerated truck. The plurality of lock rod brackets 3 are spaced apart and arranged on the rod body of the lock rod 1, and are both fixedly connected to the rear door 10 of the refrigerated truck. The rear door external opening handle 4 is fixed to the front side of the lock rod lock circular plate 6 through the lock rod lock kit 7, and the rear door internal opening handle 5 is detachably connected to the rear side of the lock rod lock circular plate 6; wherein the lock rod 1, the lock seat 2, the lock rod bracket 3, the rear door external opening handle 4, the lock rod lock circular plate 6 and the lock rod lock kit 7 are all located on the outside of the rear door 10 of the refrigerated truck, and the rear door internal opening handle 5 is located on the inside of the rear door 10 of the refrigerated truck.

[0032] Specifically, the rear door locking rod device provided by the utility model can open the rear door from the inside of the refrigerated truck, and also includes a plurality of locking rod bracket inner pads 8, and these plurality of locking rod bracket inner pads 8 are arranged at intervals on the inner side of the rear door 10 of the refrigerated truck, and are connected to the plurality of locking rod brackets 3 one by one through bolts.

[0033] Specifically, a round tube 61 with an internal thread is provided on the rear side of the locking rod locking circular plate 6, and a round tube 51 with an external thread is provided on the front side of the rear door internal opening handle 5. The rear door internal opening handle 5 is detachably threadedly connected with the round tube 61 with an internal thread on the rear side of the locking rod locking circular plate 6 through the round tube 51 with an external thread on the front side.

[0034] Specifically, see Fig.10 A heat insulation layer 11 is provided between the rear door internal opening handle 5 and the lock rod lock buckle circular plate 6. More specifically, the heat insulation layer 11 is made of polystyrene foam board or polyurethane foam plastic.

[0035] Specifically, see Figure 6The lock bar lock kit 7 includes a lock bar lock 71 and a lock bar lock seat 72. The lock bar lock seat 72 is fixed to the front side of the lock bar lock circular plate 6. The lock bar lock 71 is hinged to the front side of the lock bar lock circular plate 6 and is located above the lock bar lock seat 72 to cooperate with the lock bar lock seat 72 to lock the rear door external opening handle 4. When in use, if the rear door 10 of the refrigerated vehicle is to be opened, the lock bar lock 71 can be rotated to the end away from the lock bar lock seat 72 so that the rear door external opening handle 4 is not blocked by the lock bar lock 71. Then, the rear door external opening handle 4 can be bent away from the lock bar lock seat 72 so that the rear door external opening handle 4 is removed from the lock bar lock seat 72. At the same time, the lock bar 1 can be driven to rotate by the rear door external opening handle 4 so that the lock bar 1 and the lock seat 2 are unlocked. At this time, the rear door 10 of the refrigerated vehicle can be opened by pulling the rear door external opening handle 4 outwards. To hide the rear door 10 of the car, the rear door 10 of the refrigerated truck can be closed first, and then the rear door external opening handle 4 can be bent toward the side close to the locking rod lock seat 72 so that the rear door external opening handle 4 and the locking rod lock seat 72 are fitted together. At the same time, the locking rod 1 can be driven to rotate by the rear door external opening handle 4 so that the locking rod 1 and the lock seat 2 are engaged. Then, when the locking rod lock 71 is rotated to one end close to the locking rod lock seat 72, the rear door external opening handle 4 can be locked under the interaction of the locking rod lock 71 and the locking rod lock seat 72, and the rear door 10 of the refrigerated truck can be locked.

[0036] If someone is accidentally locked in the refrigerated truck, the rear door internal opening handle 5 can be rotated counterclockwise (or clockwise) to separate the circular tube 51 with external threads on the rear door internal opening handle 5 from the circular tube 61 with internal threads on the locking rod lock plate 6. At this time, the rear door external opening handle 4 is equivalent to being in a detached state, and the rear door 10 of the refrigerated truck can be opened by dragging it outward.

[0037] See also Fig.11 and Fig.12 The utility model provides a refrigerated truck, comprising two rear door locking rod devices for opening the rear door from the inside of the refrigerated truck and two refrigerated truck rear doors 10 that open opposite to each other, and the two rear door locking rod devices for opening the rear door from the inside of the refrigerated truck are symmetrically arranged on the side of the two refrigerated truck rear doors 10 that are close to each other.

[0038] During use, if someone is mistakenly locked into the refrigerated truck, the rear door 10 of the refrigerated truck can be opened by unscrewing the rear door opening handle 5 counterclockwise from the inside and then pushing the rear door 10 of the refrigerated truck forward.

[0039] Finally, it should be noted that the above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made using the contents of the present utility model specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present utility model.

Claims

1. A rear door locking rod device capable of opening the rear door from inside a refrigerated vehicle, characterized in that: The invention comprises a lock rod (1), two lock seats (2), a plurality of lock rod brackets (3), a rear door external opening handle (4), a rear door internal opening handle (5), a lock rod lock buckle circular plate (6) and a lock rod lock buckle kit (7), wherein the two lock seats (2) are respectively arranged at the upper and lower ends of the lock rod (1) and are both fixedly connected to the rear door frame (9) of the refrigerated vehicle, the plurality of lock rod brackets (3) are respectively arranged at intervals on the rod body of the lock rod (1) and are both fixedly connected to the rear door (10) of the refrigerated vehicle, the rear door external opening handle (4) is fixed to the front side of the lock rod lock buckle circular plate (6) through the lock rod lock buckle kit (7), and the rear door internal opening handle (5) is detachably connected to the rear side of the lock rod lock buckle circular plate (6); The lock rod (1), the lock seat (2), the lock rod bracket (3), the rear door external opening handle (4), the lock rod lock buckle circular plate (6) and the lock rod lock buckle kit (7) are all located on the outside of the refrigerated truck rear door (10), and the rear door internal opening handle (5) is located on the inside of the refrigerated truck rear door (10).

2. The rear door locking rod device capable of opening the rear door from inside a refrigerated vehicle according to claim 1, characterized in that: It also comprises a plurality of locking rod bracket inner pads (8), wherein the plurality of locking rod bracket inner pads (8) are arranged at intervals on the inner side of the rear door (10) of the refrigerated vehicle and are connected to the plurality of locking rod brackets (3) in a one-to-one correspondence via bolts.

3. The rear door locking rod device capable of opening the rear door from inside a refrigerated vehicle according to claim 1, characterized in that: A round tube (61) with an internal thread is arranged on the rear side of the locking rod locking circular plate (6), and a round tube (51) with an external thread is arranged on the front side of the rear door internal opening handle (5). The rear door internal opening handle (5) is detachably threadedly connected to the round tube (61) with an internal thread on the rear side of the locking rod locking circular plate (6) via the round tube (51) with an external thread on the front side.

4. The rear door locking rod device capable of opening the rear door from inside a refrigerated vehicle according to claim 1, characterized in that: A heat insulating layer (11) is provided between the rear door internal opening handle (5) and the locking rod locking circular plate (6).

5. The rear door locking rod device capable of opening the rear door from inside the refrigerated vehicle according to claim 4, characterized in that: The heat insulating layer (11) is a polystyrene foam board or polyurethane foam plastic.

6. The rear door locking rod device capable of opening the rear door from inside a refrigerated vehicle according to claim 1, characterized in that: The locking rod lock kit (7) comprises a locking rod lock (71) and a locking rod lock seat (72), wherein the locking rod lock seat (72) is fixed to the front side of the locking rod lock circular plate (6), and the locking rod lock (71) is hinged to the front side of the locking rod lock circular plate (6) and is located above the locking rod lock seat (72) for cooperating with the locking rod lock seat (72) to lock the rear door external opening handle (4).

7. A refrigerated vehicle, characterized in that: The invention relates to a rear door locking rod device for opening the rear door from the inside of a refrigerated vehicle, comprising two rear door locking rod devices as described in any one of claims 1 to 6.

8. A refrigerated vehicle according to claim 7, characterized in that: The invention also comprises two opposing rear doors (10) of the refrigerated vehicle, and two rear door locking rod devices capable of opening the rear doors from the inside of the refrigerated vehicle are symmetrically arranged on the sides of the two opposing rear doors (10) of the refrigerated vehicle close to each other.

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