Limiting and fixing structure of storage rack

Abstract

The utility model discloses a limiting and fixing structure of a storage rack in the technical field of fire hose vehicles, which comprises two supports of a fire hose vehicle, namely a right support and a left support, and further comprises a handle rod and two pressing rods, one end of one pressing rod is rotatably connected to the upper end of the inner side wall of the right support of the fire hose vehicle, and the other end of the pressing rod is rotatably connected to the lower end of the inner side wall of the left support of the fire hose vehicle. One end of the other pressing rod is rotationally connected to the upper end of the inner side wall of the left support of the fire hose vehicle, and the handle rod is connected between the other ends of the two pressing rods; a second bearing and a pressing rod buckle are arranged at the end, away from the handle rod, of the pressing rod, a limiting shaft hole is formed in the pressing rod buckle, a second pin is arranged on the outer side of the right support and comprises a second pin shaft, and the second pin shaft movably penetrates through the inner side wall of the right support. The overall structure is simplified, so that the structure is simple, rapid mounting and dismounting can be achieved, the device can be conveniently integrated into various existing fire hose vehicle support systems, large-scale modification of the vehicle is not needed, and the device has great application prospects.

Description

Technical Field

[0001] The utility model relates to the technical field of fire hose trucks, and particularly relates to a limit fixing structure of a storage rack. Background Art

[0002] At present, the storage racks used on fire hose trucks are usually directly mounted on two brackets of the fire hose truck for easy disassembly and installation. However, this makes the storage racks prone to shaking during vehicle driving or operation, which will affect the rapid deployment and use of fire-fighting equipment. Since there is a risk that the storage racks may bounce upwards and detach from the brackets, this will not only delay the precious time of fire rescue but also may cause equipment damage or personal injury. In addition, traditional storage racks may require complex locking mechanisms or multiple steps to ensure stability, which will waste time in case of emergency. Therefore, how to provide a stable, safe, convenient, simple and reliable limit fixing structure for storage racks is a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a stable, safe, convenient, simple and reliable limit fixing structure for a storage rack.

[0004] To achieve the above technical purposes and reach the above technical effects, the utility model is realized through the following technical solutions:

[0005] A limit fixing structure of a storage rack includes two brackets of a fire hose truck, one is a right bracket and the other is a left bracket. It also includes a handlebar and two pressing rods. One end of a pressing rod is rotatably connected to the upper end of the inner side wall of the right bracket of the fire hose truck, and one end of the other pressing rod is rotatably connected to the upper end of the inner side wall of the left bracket of the fire hose truck. The handlebar is connected between the other ends of the two pressing rods. A second bearing and a pressing rod buckle are arranged at the end of the pressing rod far from the handlebar. A limit shaft hole is opened on the pressing rod buckle. A second pin is arranged on the outer side of the right bracket. The second pin includes a second pin shaft, and the second pin shaft movably penetrates through the inner side wall of the right bracket.

[0006] Preferably, a turning handle is arranged on the handlebar, and a power button and a forward and reverse button are arranged on the turning handle.

[0007] Based on the above technical features, when the power button is turned on, the entire system of the fire hose truck is powered on. When not in use usually, it is turned off to cut off the power of the entire system of the fire hose truck to save battery power.

[0008] Preferably, first fixing screw holes are opened on the side walls of the two pressing rods away from each other.

[0009] Based on the above technical features, by using the first fixing screw hole in cooperation with a screw, it is convenient to install and fix the handrail between the two pressure bars.

[0010] Preferably, a fitting groove for cooperating with the second bearing is formed at the top of the pressure bar, the second bearing is rotatably connected in the fitting groove, and the edge portion of the second bearing extends out of the fitting groove.

[0011] Based on the above technical features, it is convenient to use the second bearing to rotate in the fitting groove.

[0012] Preferably, second fixing screw holes are formed on both the front and rear sides of the top of the pressure bar buckle.

[0013] Based on the above technical features, by using the second fixing screw hole in cooperation with a screw, it is convenient to install and fix the pressure bar buckle on the pressure bar.

[0014] Preferably, a pressure bar mounting hole is formed at one end of the pressure bar away from the handrail, and first mounting holes are formed on both of the two brackets.

[0015] Based on the above technical features, the pressure bar is installed in the pressure bar mounting hole and the first mounting hole through a rotating shaft, so as to realize the rotational connection of the pressure bar on the bracket.

[0016] Preferably, a slope is arranged on one side of the pressure bar buckle close to the second pin shaft.

[0017] Based on the above technical features, after the pressure bar rotates on the bracket, it is convenient for the second pin shaft to smoothly enter the limit shaft hole on the pressure bar buckle to realize the limit.

[0018] In summary, the present utility model includes at least one of the following beneficial effects: By means of the limiting structure for rotatably connecting the storage rack to the bracket in the present utility model, after the storage rack is installed, the limiting structure of the storage rack is rotated on the bracket until the second bearing presses against the second step of the storage rack, and then the second pin shaft of the second pin is inserted into the limiting shaft hole on the lever buckle to limit and fix the limiting structure of the rotated storage rack. Through the limiting and fixing structure, the stability of the storage rack can be significantly improved; by means of physical limitation, the upper degree of freedom of the storage rack is restricted by the second bearing to form a structure in which the storage rack rotates smoothly. In the case where the storage rack can rotate, it is further possible to avoid the situation of shaking and instability during use, and to avoid the possibility of popping up and disengaging from the bracket upward. The second bearing presses against the second step of the storage rack, and the second pin shaft of the second pin is inserted into the limiting shaft hole on the lever buckle, providing a reliable locking mechanism to ensure that the storage rack will not disengage even under extreme conditions, ensuring that the storage rack is firmly fixed in place during use and preventing accidents. Through the design of the rotatable connection and the limiting pin, the need for additional parts is reduced, the overall structure is simplified, the structure is simple, it can be quickly installed and disassembled, and it is convenient to be integrated into various existing fire hose cart bracket systems without large-scale modification of the vehicle, and it has great application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the use state of the limiting and fixing structure of the storage rack of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the lever of the present utility model;

[0021] Figure 3 is a schematic structural diagram of the use state of the limiting and fixing structure of the storage rack of the present utility model on a fire hose cart;

[0022] Figure 4 is a schematic structural diagram of the use state of the limiting and fixing structure of the storage rack of the present utility model on two brackets of a fire hose cart;

[0023] Figure 5 is a schematic structural diagram of the use state of the lever of the present utility model on the right bracket of a fire hose cart Figure 1 ;

[0024] Figure 6 is a schematic structural diagram of the use state of the lever of the present utility model on the right bracket of a fire hose cart Figure 2 ;

[0025] Figure 7 is of the present utility model Figure 6 partial enlarged view of position A;

[0026] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0027] 1 - Right bracket, 103 - Second pin, 1031 - Second pin shaft, 2 - Left bracket, 602 - Second step, 701 - Twist grip, 7011 - Power button, 7012 - Forward and reverse button, 702 - Second bearing, 703 - Lever buckle, 7031 - Limit shaft hole, 7032 - Second fixing screw hole, 7033 - Inclined surface, 704 - Lever mounting hole, 705 - Lever, 706 - Handlebar. Detailed implementation mode

[0028] The following further elaborates on the present utility model in conjunction with the attached Figures 1-7 drawings.

[0029] An embodiment provided by the present utility model, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , is a limit fixing structure of a storage rack, including two brackets of a fire hose cart, one is the right bracket 1 and the other is the left bracket 2. It also includes a handlebar 706 and two levers 705. One end of a lever 705 is rotatably connected to the upper end of the inner side wall of the right bracket 1 of the fire hose cart, and one end of the other lever 705 is rotatably connected to the upper end of the inner side wall of the left bracket 2 of the fire hose cart. The handlebar 706 is connected between the other ends of the two levers 705. A twist grip 701 is provided on the handlebar 706, and a power button 7011 and a forward and reverse button 7012 are provided on the twist grip 701. By turning on the power button 7011, the entire system of the fire hose cart is powered on, and when not in use usually, turning it off cuts off the power supply of the entire system of the fire hose cart to save battery power; on the mutually remote side walls of the two levers, first fixing screw holes are provided. By using screws in cooperation with the first fixing screw holes, it is convenient to install and fix the handlebar 706 between the two levers 705;

[0030] At the end of the lever 705 away from the handlebar 706, a second bearing 702 and a lever buckle 703 are provided. A fitting groove matching the second bearing 702 is provided at the top of the lever 705. The second bearing 702 is rotatably connected in the fitting groove, and the edge part of the second bearing 702 extends out of the fitting groove, facilitating the rotation of the second bearing 702 in the fitting groove; on the front and rear sides of the top of the lever buckle 703, second fixing screw holes 7032 are provided. By using screws in cooperation with the second fixing screw holes 7032, it is convenient to install and fix the lever buckle 703 on the lever 705; a limit shaft hole 7031 is provided on the lever buckle 703. A second pin 103 is provided on the outer side of the right bracket 1. The second pin 103 includes a second pin shaft 1031, and the second pin shaft 1031 movably penetrates through the inner side wall of the right bracket 1.

[0031] As shown in Figure 2 ,Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown in Figure 6 and Figure 7 , a strut mounting hole 704 is provided at one end of the strut 705 away from the handlebar 706. First mounting holes 104 are provided on both of the two brackets (right bracket 1 and bracket 2). The strut 705 is mounted in the strut mounting hole 704 and the first mounting hole 104 through a rotating shaft, thereby realizing the rotational connection of the strut 705 on the two brackets. A slope 7033 is provided on one side of the strut buckle 703 close to the second pin shaft 1031. After the strut 705 rotates on the bracket, it is convenient for the second pin shaft 1031 to smoothly enter the limit shaft hole 7031 on the strut buckle 703, realizing the limit of the limit structure of the storage rack after rotation.

[0032] Working principle:

[0033] By rotatably connecting the limit structure of the storage rack on the bracket, after the storage rack is installed, the limit structure of the storage rack is rotated on the bracket until the edge part of the second bearing 702 extending out of the fitting groove presses on the second step 602 of the storage rack. Then, the second pin shaft 1031 of the second pin 103 is inserted into the limit shaft hole 7031 on the strut buckle 703 to limit and fix the limit structure of the storage rack after rotation. On the premise of originally restricting the lower degree of freedom and the left and right degrees of freedom of the storage rack, the upper degree of freedom of the storage rack is restricted by the second bearing 702, forming a structure for the storage rack to rotate smoothly. When the storage rack rotates with the bracket, the second bearing 702 rotates on the strut 705, and the second pin shaft 1031 is inserted into the limit shaft hole 7031 on the strut buckle 703, restricting the positions of the storage rack and the bracket, avoiding the possibility of popping up and disengaging from the bracket, thus facilitating use.

[0034] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A limit fixing structure of a storage rack, comprising two brackets of a fire hose cart, one is a right bracket (1), and the other is a left bracket (2), characterized in that: It further includes a handrail (706) and two pressure rods (705). One end of a pressure rod (705) is rotatably connected to the upper end of the inner side wall of the right bracket (1) of the fire hose vehicle, and one end of the other pressure rod (705) is rotatably connected to the upper end of the inner side wall of the left bracket (2) of the fire hose vehicle. The handrail (706) is connected between the other ends of the two pressure rods (705). A second bearing (702) and a pressure rod buckle (703) are provided at the end of the pressure rod (705) away from the handrail (706). A limiting shaft hole (7031) is formed in the pressure rod buckle (703). A second pin (103) is provided on the outer side of the right bracket (1). The second pin (103) includes a second pin shaft (1031), and the second pin shaft (1031) movably penetrates through the inner side wall of the right bracket (1).

2. The limiting and fixing structure of a storage rack according to claim 1, wherein: A turning handle (701) is provided on the handrail (706), and a power button (7011) and a forward and reverse button (7012) are provided on the turning handle (701).

3. The limit fixing structure of a storage rack according to claim 1, characterized in that: First fixing screw holes are formed in the side walls of the two pressure rods (705) away from each other.

4. The limiting and fixing structure of a storage rack according to claim 1, characterized in that: A fitting groove matching with the second bearing (702) is formed at the top of the pressure rod (705). The second bearing (702) is rotatably connected in the fitting groove, and the edge part of the second bearing (702) extends out of the fitting groove.

5. The limit fixing structure of a storage rack according to claim 1, characterized in that: Second fixing screw holes (7032) are formed in the front and rear sides at the top of the pressure rod buckle (703).

6. The limit fixing structure of a storage rack according to claim 1, characterized in that: A pressure rod mounting hole (704) is formed at the end of the pressure rod (705) away from the handrail (706), and first mounting holes (104) are formed in both brackets.

7. The limit fixing structure of a storage rack according to claim 1, characterized in that: An inclined surface (7033) is provided on the side of the pressure rod buckle (703) close to the second pin shaft (1031).

Images