Backpack type water hose back frame

Abstract

The utility model discloses a backpack type water hose back frame, relates to the technical field of water hose back frames, and aims to solve the problems that at least two persons are required to be matched in the stacking process of the conventional water hose back frame, one person is responsible for pressing a water hose when each section of the water hose is folded, and manpower is consumed. The top frame is installed at the upper ends of the connecting columns on the two sides of the front end, and strap positioning frames are installed on the two sides of the front end of the top frame; the strap connecting rods are installed on the two sides of the front end of the bottom frame, straps are installed at the front ends of the strap connecting rods, one ends of the straps extend into the strap positioning frames, telescopic grooves are formed in the strap connecting rods, and rubber protective sleeves are arranged on the outer walls of the strap connecting rods; the U-shaped frame is arranged behind the strap connecting rod, the two ends of the U-shaped frame penetrate through and extend into telescopic grooves in the strap connecting rod, the two ends of the U-shaped frame are connected with the telescopic grooves through reset springs, and a pressing rod is installed at the upper end of the U-shaped frame.

Description

Technical Field

[0001] This utility model relates to the field of hose back frame technology, specifically a backpack-type hose back frame. Background Technology

[0002] In the event of fires in high-rise buildings, forests, chemical plants, warehouses, or logistics facilities, or other disasters involving complex terrain or requiring long-distance water supply, rescue personnel need to rely on hose frames to transport and lay hoses over long distances in complex terrain conditions in order to facilitate rescue operations through water supply.

[0003] Current hose back frames, such as the one announced in CN217661233U, include a main frame and a back strap. The back strap is installed on the left side of the main frame. The main frame includes a top frame and a moving frame. The main frame includes a base, a first upright, and a crossbar. The first upright is fixedly connected to both the front and rear sides of the left end of the base. A crossbar is fixedly connected to the upper right side of the first upright. The moving frame includes a second upright and a connecting rod. The second upright is inserted into both the front and rear sides of the right end of the main frame. A connecting rod is fixedly connected to the upper end between the second uprights on the front and rear sides. Fastening bolts are installed between the second upright and the crossbar.

[0004] Although the aforementioned hose carrier has an openable top structure to facilitate hose stacking, it still requires at least two people to work together during the stacking process, with one person responsible for pressing the hose down when each section is folded, which is labor-intensive. Therefore, we propose a backpack-style hose carrier to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this utility model is to provide a backpack-type hose support to solve the problem mentioned in the background art that existing hose support requires at least two people to work together during the stacking process, with one person responsible for pressing the hose tightly when each section is folded, which is labor-intensive.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a backpack-type water hose frame, including a base frame, with connecting columns installed on both sides above the front and rear ends of the base frame;

[0007] Also includes:

[0008] The top frame is installed on the upper end of the connecting columns on both sides of the front end, and the two sides of the front end of the top frame are equipped with shoulder strap positioning frames.

[0009] The shoulder strap connecting rod is installed on both sides of the front end of the base frame. The front end of the shoulder strap connecting rod is equipped with a shoulder strap, one end of which extends into the inside of the shoulder strap positioning frame. The inside of the shoulder strap connecting rod is provided with a telescopic groove, and the outer wall of the shoulder strap connecting rod is provided with a rubber sleeve.

[0010] A U-shaped frame is located behind the shoulder strap connecting rod, with both ends of the U-shaped frame passing through and extending into the telescopic groove inside the shoulder strap connecting rod. Both ends of the U-shaped frame are connected to the telescopic groove via a return spring, and a pressure rod is installed at the upper end of the U-shaped frame.

[0011] Preferably, the inner wall of the shoulder strap is provided with a rounded nap surface, one end of the shoulder strap is provided with a hooked nap surface, and the shoulder strap is bonded to the rounded nap surface of the inner wall through the hooked nap surface at the end.

[0012] Preferably, a folding seat is installed at the rear end of the top frame, the folding seat is hinged to the top frame, opening and closing arms are installed on both sides of the rear end of the folding seat, a reinforcing rod is installed between the opening and closing arms, and a handle is installed at the upper end of the reinforcing rod.

[0013] Preferably, the outer wall of the handle is provided with an anti-slip sleeve.

[0014] Preferably, a strip groove is provided on the inner wall of one end of the opening and closing arm, and magnetic blocks are installed on the upper ends of the connecting columns on both front sides, and the connecting columns are magnetically attracted to the strip groove on the inner wall of the opening and closing arm through the magnetic blocks.

[0015] Preferably, casters are installed on the lower part of both sides of the front end of the base frame, and a support is installed at the lower end of the middle position of the rear end of the base frame.

[0016] Preferably, the lower end of the support is equipped with a rubber shock-absorbing foot.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This utility model features a U-shaped frame connected by a return spring inside the back frame, with a pressure bar structure at the upper end of the U-shaped frame. When stacking hoses, the pressure bar at the upper end of the U-shaped frame, in conjunction with the clamping force of the return spring, applies a clamping force to the hoses, making it convenient for a single person to stack hoses. Furthermore, it ensures the stability of the stacked hoses during movement. This solves the problem that although existing hose back frames have an openable top structure for easy stacking, at least two people are still required to stack the hoses, with one person responsible for pressing the hoses firmly at each fold, which is labor-intensive.

[0019] 2. The opening and closing arm and connecting column at the top of the back frame of this utility model are magnetically connected. The opening and closing arm is hinged to the top frame through the folding seat. When in use, by applying an upward force to the handle, the opening and closing arm at the top of the back frame can be separated from the connecting column. With the flipping of the folding seat, the upper part of the frame is left empty to facilitate the placement of water hoses. Compared with the traditional bolt fixing, it can be flipped open without the aid of tools, which is convenient and quick. Attached Figure Description

[0020] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the rear structure of the present invention;

[0022] Figure 3 This is a schematic diagram of the folding seat of this utility model in the open state;

[0023] Figure 4 This is a schematic diagram of the connection structure between the U-shaped frame and the shoulder strap connecting rod of this utility model;

[0024] In the diagram: 1. Base frame; 2. Connecting column; 3. Top frame; 4. Folding seat; 5. Hinge; 6. Opening arm; 7. Reinforcing rod; 8. Handle; 9. Shoulder strap connecting rod; 901. Rubber sleeve; 10. Shoulder strap; 11. Shoulder strap positioning frame; 12. U-shaped frame; 13. Pressure rod; 14. Support; 15. Rubber shock-absorbing foot; 16. Caster wheel; 17. Strip groove; 18. Magnetic block; 19. Telescopic groove; 20. Return spring. Detailed Implementation

[0025] 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.

[0026] Please see Figure 1-4 The present invention provides an embodiment of a backpack-type water hose support, which includes a base frame 1, and connecting columns 2 are installed on both sides above the front and rear ends of the base frame 1.

[0027] Also includes:

[0028] Top frame 3 is installed on the upper end of the connecting columns 2 on both sides of the front end, and shoulder strap positioning frames 11 are installed on both sides of the front end of top frame 3;

[0029] The shoulder strap connecting rod 9 is installed on both sides of the front end of the base frame 1. The front end of the shoulder strap connecting rod 9 is equipped with a shoulder strap 10, one end of which extends into the inside of the shoulder strap positioning frame 11. The inside of the shoulder strap connecting rod 9 is provided with a telescopic groove 19. The outer wall of the shoulder strap connecting rod 9 is provided with a rubber sleeve 901. The rubber sleeve 901 can prevent discomfort caused by contact and wear with the human body.

[0030] The U-shaped frame 12 is located behind the shoulder strap connecting rod 9, and both ends of the U-shaped frame 12 extend through and into the telescopic groove 19 inside the shoulder strap connecting rod 9. Both ends of the U-shaped frame 12 are connected to the telescopic groove 19 by a return spring 20, and a pressure rod 13 is installed on the upper end of the U-shaped frame 12.

[0031] Please see Figure 1The inner wall of the shoulder strap 10 is provided with a rounded nap surface, and one end of the shoulder strap 10 is provided with a hooked nap surface. The shoulder strap 10 is bonded to the rounded nap surface of the inner wall through the hooked nap surface at the end. The shoulder strap 10 can be bonded to the rounded nap surface at different positions of the inner wall through the hooked nap surface at the end to achieve tightness adjustment and adapt to the use of people of different body sizes.

[0032] Please see Figure 1 and Figure 3 The rear end of the top frame 3 is equipped with a folding seat 4, which is hinged to the top frame 3 via a hinge 5. Opening and closing arms 6 are installed on both sides of the rear end of the folding seat 4, and a reinforcing rod 7 is installed between the opening and closing arms 6. A handle 8 is installed at the upper end of the reinforcing rod 7. The folding seat 4 has a flip-opening and closing structure, which makes it easy for personnel to stack and place water hoses after opening.

[0033] Furthermore, an anti-slip sleeve is provided on the outer wall of the handle 8. The handle 8 is used for convenient opening and closing of the folding seat 4. The anti-slip sleeve increases the friction between the handle 8 and the hand.

[0034] Please see Figure 3 A strip groove 17 is provided on the inner wall of one end of the opening and closing arm 6. Magnetic blocks 18 are installed on the upper ends of the connecting columns 2 on both sides of the front end. The connecting columns 2 are magnetically attracted to the strip groove 17 on the inner wall of the opening and closing arm 6 through the magnetic blocks 18. The end of the opening and closing arm 6 is fixed to the connecting column 2 with a magnetic attraction structure, which ensures stability during use. It can be separated by applying force through the handle 8, so as to facilitate flipping and opening the folding seat 4.

[0035] Please see Figure 1 The bottom of the base frame 1 is equipped with casters 16 on both sides of the front end. The bottom of the base frame 1 is equipped with a support 14 at the middle of the rear end. The bottom of the support 14 is equipped with rubber shock-absorbing feet 15. When the water hose back frame is placed on the ground, the casters 16 can be grounded by pulling the water hose to tilt the back frame forward, so that the back frame can move with the direction of the water hose, thereby improving the flexibility of personnel when using the water hose.

[0036] Working principle: When in use, by applying an upward force to the handle 8, the opening and closing arm 6 at the top of the back frame can be separated from the connecting column 2. With the flipping seat 4, the upper part of the frame is left empty to facilitate the placement of the water hose. When stacking the water hose, the pressure rod 13 at the upper end of the U-shaped frame 12, together with the clamping force of the return spring 20, can apply a clamping force to the water hose, which makes it convenient for a single person to stack the water hose and ensures the stability of the stacked water hose during movement. After stacking, the opening and closing arm 6 can be flipped over and closed again, and the hose can be carried and moved by the back strap 10. When the water hose is in use, the water hose back frame can be placed on the ground. By pulling the water hose, the back frame can be tilted forward to make the caster 16 ground, so that the back frame moves with the direction of the water hose, thereby improving the flexibility of personnel when using the water hose.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A backpack-type water hose support frame, comprising a base frame (1), wherein connecting columns (2) are installed on both sides above the front and rear ends of the base frame (1); characterized in that: Also includes: Top frame (3) is installed on the upper end of the connecting columns (2) on both sides of the front end, and a shoulder strap positioning frame (11) is installed on both sides of the front end of the top frame (3); The shoulder strap connecting rod (9) is installed on both sides of the front end of the base frame (1). The front end of the shoulder strap connecting rod (9) is equipped with a shoulder strap (10). One end of the shoulder strap (10) extends into the inside of the shoulder strap positioning frame (11). The inside of the shoulder strap connecting rod (9) is provided with a telescopic groove (19). The outer wall of the shoulder strap connecting rod (9) is provided with a rubber sleeve (901). A U-shaped frame (12) is located behind the shoulder strap connecting rod (9), and both ends of the U-shaped frame (12) extend through and into the telescopic groove (19) inside the shoulder strap connecting rod (9). Both ends of the U-shaped frame (12) are connected to the telescopic groove (19) by a return spring (20). A pressure rod (13) is installed on the upper end of the U-shaped frame (12).

2. The backpack-type hose reel frame according to claim 1, characterized in that: The inner wall of the shoulder strap (10) is provided with a rounded nap surface, and one end of the shoulder strap (10) is provided with a hooked nap surface. The shoulder strap (10) is bonded to the rounded nap surface of the inner wall through the hooked nap surface at the end.

3. The backpack-type hose reel frame according to claim 1, characterized in that: The rear end of the top frame (3) is equipped with a folding seat (4), which is hinged to the top frame (3) via a hinge (5). Opening and closing arms (6) are installed on both sides of the rear end of the folding seat (4), and a reinforcing rod (7) is installed between the opening and closing arms (6). A handle (8) is installed at the upper end of the reinforcing rod (7).

4. A backpack-type hose reel frame according to claim 3, characterized in that: The outer wall of the handle (8) is provided with an anti-slip sleeve.

5. A backpack-type hose reel frame according to claim 3, characterized in that: A strip groove (17) is provided on the inner wall of one end of the opening and closing arm (6), and magnetic blocks (18) are installed on the upper ends of the connecting columns (2) on both sides of the front end. The connecting columns (2) are magnetically attracted to the strip groove (17) on the inner wall of the opening and closing arm (6) through the magnetic blocks (18).

6. A backpack-type hose reel frame according to claim 1, characterized in that: Universal wheels (16) are installed on the lower sides of the front end of the base frame (1), and a support (14) is installed at the lower end of the middle position of the rear end of the base frame (1).

7. A backpack-type hose reel frame according to claim 6, characterized in that: The lower end of the support (14) is equipped with a rubber shock-absorbing foot (15).

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