Hose hole expanding claw

Abstract

The utility model relates to the technical field of hose hook claws, and discloses a hose hole expanding hook claw which comprises a base and telescopic hook claws on the base, a fan-shaped annular supporting frame is arranged on the base, three telescopic hook claws are fixed on the supporting frame, and each telescopic hook claw comprises an air cylinder, a telescopic rod, a spring, a limiting block and a hole expanding head. And the reaming parts at the top ends of the reaming heads of the three telescopic claws are gathered before operation. The three telescopic claws are arranged on the device, the receding parts and the reaming parts are arranged at the ends of the claws, and the problem that due to the fact that the hole diameter of a hose is smaller than that of a pagoda head, plugging is difficult is efficiently solved. According to the device, the broaching part is obliquely arranged at the rear end of the telescopic hook claw, so that the pagoda head is subjected to receding treatment, and the problem that a hose opening is pulled open too much is solved. The hole expanding part can enable the contact surface of the pagoda head and the hose to be a line after the pipe opening is pulled open, and after contact, the pagoda head continuously expands the contacted pipe opening outwards, so that the situation that the pipe opening is in a triangular shape after being stretched and is difficult to plug in can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of hose hooks, in particular to a hose hole-opening hook. Background Art

[0002] A pagoda head is a common device used for pipe docking. It has an axial annular protrusion so that it will not easily fall out after being inserted into the pipe. The pipes used for docking are generally hoses. However, even for hoses, it is often difficult to insert the pagoda head into the hose.

[0003] The patent application with publication number CN 116214118A discloses a pagoda head and hose docking installation device, which belongs to the technical field of pagoda head and hose installation, and includes an operating base plate and a supporting vertical plate, and also includes a hose upper fixing block and a hose lower fixing block, and the upper fixing block and the lower fixing block of the hose are provided with a hose pressing hole at the buckling surface position; a second telescopic cylinder is installed on the operating base plate, and a pagoda head positioning mounting seat is provided on the second telescopic cylinder; a first telescopic cylinder is installed on the supporting vertical plate, and a hose pressing seat is provided on the first telescopic cylinder. The hose is clamped in the hose pressing hole; the first telescopic cylinder is extended, and the hose pressing seat presses the upper fixing block and the lower fixing block of the hose; the second telescopic cylinder is extended, and the pagoda head and the hose are inserted, so as to realize the convenient, efficient and accurate docking installation of the pagoda head and the hose.

[0004] The processing method of the prior art is to simply add a fixing groove for placing the hose and the pagoda head, and the insertion action is still a simple direct insertion, which does not actually solve the problem of difficult docking.

[0005] Therefore, a new technical solution is needed to solve the above technical problems. Utility Model Content

[0006] The utility model aims to provide a hose hole-expanding hook claw, which effectively solves the problem of difficulty in inserting the hose due to the hole diameter of the hose being smaller than the pagoda head by arranging the hole-expanding hook claw on the device.

[0007] The technical solution adopted by the utility model is:

[0008] A hose hole expanding hook comprises a base and a telescopic hook on the base, wherein a fan-shaped annular support frame is provided on the base, and three telescopic hooks are fixed on the support frame. The telescopic hook comprises a cylinder, a telescopic rod, a spring, a limit block, and a hole expanding head. The hole expanding parts at the top ends of the hole expanding heads of the three telescopic hooks are combined before operation.

[0009] By adopting the above structure and arranging a hole-opening hook on the device, the problem of difficulty in inserting the hose due to the hole diameter of the hose being smaller than the pagoda head is effectively solved.

[0010] Preferably, the telescopic rod is movably arranged in the cylinder, the reaming head is arranged at the outer end of the telescopic rod, a limit block is arranged on the part of the telescopic rod extending out of the cylinder, and a spring is arranged between the limit block and the end of the cylinder.

[0011] By adopting the above structure, when the cylinder is blocked, the spring can push the telescopic rod out of the cylinder, and then the three expansion heads will converge and merge at the hollow part, making the device more convenient to use.

[0012] Preferably, the cylinder is connected to an air pipe fixed on the support frame, a speed regulating valve is provided between the air pipe and the cylinder, the air pipe passes through the support frame, and is fixed to the support frame through a cable gland.

[0013] By adopting the above structure, when air is taken into the air pipe, the telescopic rod is pushed into the air cylinder. When there is no air, the telescopic rod slides freely without being controlled by the gas. The device can control the amount of air entering the air cylinder through the speed regulating valve, making the device more convenient to operate.

[0014] Preferably, there is a yielding portion between the reaming portion on the reaming head and the reaming head, the yielding portion is obliquely arranged from the reaming head, the extending end of the yielding portion is the reaming portion, and the reaming portions extending from the reaming head on the three telescopic hooks are gathered at one place before operation.

[0015] By adopting the above structure, the expansion hole portion is obliquely arranged at the rear end of the hook claw to make way for the pagoda head, thereby avoiding the problem of pulling the hose mouth too wide.

[0016] Preferably, among the three telescopic hooks, the acute angle between the yielding portion of one reaming head and the telescopic rod is smaller.

[0017] By adopting the above structure, there is enough space behind the expansion head for the pagoda head to be inserted.

[0018] Preferably, the support frame is in the shape of a fan-shaped ring, is provided with an opening, is hollowed out in the middle, and three telescopic hooks are evenly fixed on the support frame.

[0019] By adopting the above structure, the hollow and the opening are connected, and when the size of the pipeline and the pagoda head after connection cannot pass through the hollow place, and the rear of the pagoda head may be connected to something else, it is convenient to operate.

[0020] Preferably, a manual reversing valve and an air inlet are provided on the base, the air inlet is connected to an external air source, and the air inlet is connected to the cylinder through an air pipe.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The utility model device is provided with three telescopic hooks, and the ends of the hooks are provided with a giving part and a hole expansion part, which effectively solves the problem of difficulty in inserting the hose due to the hole diameter being smaller than the pagoda head.

[0023] 2. The utility model device makes way for the pagoda head by means of the reaming portion obliquely arranged at the rear end of the telescopic hook, thereby avoiding the problem of pulling the hose opening too wide.

[0024] 3. The reaming portion obliquely arranged at the rear end of the telescopic hook in the utility model device can make the contact surface between the pagoda head and the hose a line after the pipe mouth is pulled open. After contact, the pagoda head will continue to expand the contacted pipe mouth outward, which can avoid the difficulty in inserting due to the triangular shape of the pipe mouth after stretching. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 It is a schematic diagram of the structure of the utility model;

[0027] Figure 3 It is a schematic diagram of the structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the telescopic hook of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the spring and the limit block of the utility model;

[0030] Figure 6 It is a structural schematic diagram of the yielding portion and the reaming portion on the reaming head of the utility model.

[0031] Among them: 1. Base; 2. Support frame; 3. Manual reversing valve; 4. Air inlet; 5. Cylinder; 6. Spring; 7. Limit block; 8. Reaming head; 9. Gland; 10. Air pipe; 11. Speed ​​regulating valve; 12. Telescopic rod; 13. Give way part; 14. Reaming part; 15. Telescopic hook; 16. Telescopic rod. DETAILED DESCRIPTION

[0032] like Figure 1-6 As shown, a hose hole expansion hook comprises a base 1 and a telescopic hook 15 on the base. A fan-shaped annular support frame 2 is provided on the base 1, and three telescopic hooks 15 are fixed on the support frame 2. The telescopic hook 15 comprises a cylinder 5, a telescopic rod 16, a spring 6, a limit block 7, and a hole expansion head 8. The hole expansion parts 14 at the top of the hole expansion head 8 of the three telescopic hooks 15 are combined before operation. The support frame 2 is a fan-shaped annular, with an opening, and a hollow middle part. The three telescopic hooks 15 are evenly fixed on the support frame 2. A manual reversing valve 3 and an air inlet 4 are provided on the base 1. The air inlet 4 is connected to an external air source, and the air inlet is connected to the cylinder 5 through an air pipe 10. The device is provided with three telescopic hooks 15, and a yielding part 13 and a hole expansion part 14 are provided at the end of the hook, which effectively solves the problem of difficulty in inserting the hose due to the smaller diameter of the hose than the pagoda head.

[0033] like Figure 4 As shown, the telescopic rod 16 is movably arranged in the cylinder 5, the reaming head 8 is arranged at the outer end of the telescopic rod 16, and a limit block 7 is arranged on the portion of the telescopic rod 16 extending out of the cylinder 5, and a spring 6 is arranged between the limit block 7 and the end of the cylinder 5. The cylinder 5 is connected to an air pipe 10 fixed on the support frame 2, and a speed regulating valve 11 is arranged between the air pipe 10 and the cylinder 5. The air pipe 10 passes through the support frame 2 and is fixed to the support frame 2 through a gland 9.

[0034] like Figure 6 As shown, there is a yielding portion 13 between the reaming portion 14 on the reaming head 8 and the reaming head 8, the yielding portion 13 is obliquely arranged on the reaming head 8, and the extended end of the yielding portion 13 is the reaming portion 14. The reaming portions 14 extending from the reaming head 8 on the three telescopic hooks 15 are gathered at one place before operation. Among the three telescopic hooks 15, the acute angle between the yielding portion 13 of one reaming head 8 and the telescopic rod 16 is smaller. The device makes way for the pagoda head by the reaming portion 14 obliquely arranged at the rear end of the telescopic hook 15, avoiding the problem of pulling the hose mouth too wide. The reaming portion 14 obliquely arranged at the rear end of the telescopic hook 15 in the device can make the contact surface between the pagoda head and the hose a line after the mouth of the pipe is pulled apart. After contact, the pagoda head will continue to expand the contacted mouth of the pipe outward, which can avoid the difficulty of plugging in due to the shape of the mouth of the pipe being triangular after stretching.

[0035] When the device is used: preparation stage: at this time, the air source is not introduced, the spring 6 presses against the cylinder 5 and the limit block 7, the telescopic rod 16 is pushed out of the cylinder 5, and the reaming parts 14 of the three reaming heads 8 are merged together; insertion stage: the hose mouth is inserted into the merged reaming part 14; reaming plugging stage: the manual reversing valve 3 is dialed, the air source is introduced, the telescopic rod 16 is pushed into the cylinder 5, the length left outside becomes shorter, and the merged reaming part 14 is opened, the limit block 7 limits the length pushed in, that is, the degree of opening of the expansion part, and the pagoda head is inserted into the expanded hose obliquely downward from the back of the reaming part 14; end stage: the combined pagoda head and the hose move forward together, the hose is detached from the expansion part and restores its size, and the pagoda head and the hose are combined. The device is easy to operate and solves the problem that the pagoda head is difficult to insert into the hose.

[0036] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should be included in the protection scope determined by the claims of the present invention.

Claims

1. A hose hole-opening hook, comprising a base and a telescopic hook on the base, characterized in that: A fan-shaped annular support frame is arranged on the base, and three telescopic hooks are fixed on the support frame. The telescopic hooks include a cylinder, a telescopic rod, a spring, a limit block, and a reaming head. The reaming parts at the top ends of the reaming heads of the three telescopic hooks are assembled together before operation.

2. The hose hole opening hook according to claim 1, characterized in that: The telescopic rod is movably arranged in the cylinder, the reaming head is arranged at the outer end of the telescopic rod, a limit block is arranged on the part of the telescopic rod extending out of the cylinder, and a spring is arranged between the limit block and the end of the cylinder.

3. The hose hole opening hook according to claim 2, characterized in that: The cylinder is connected to an air pipe fixed on the support frame, a speed regulating valve is arranged between the air pipe and the cylinder, the air pipe penetrates the support frame and is fixed to the support frame through a cable gland.

4. The hose hole opening hook according to claim 2, characterized in that: There is a yielding portion between the reaming portion on the reaming head and the reaming head, the yielding portion is obliquely arranged from the reaming head, the extending end of the yielding portion is the reaming portion, and the reaming portions extending from the reaming head on the three telescopic hooks are gathered at one place before operation.

5. The hose hole opening hook according to claim 4, characterized in that: Among the three telescopic hooks, the acute angle between the yielding portion of one reaming head and the telescopic rod is smaller.

6. The hose hole opening hook according to claim 1, characterized in that: The support frame is in the shape of a fan-shaped ring, is provided with an opening, and is hollowed out in the middle. Three telescopic hook claws are evenly fixed on the support frame.

7. The hose hole opening hook according to claim 1, characterized in that: A manual reversing valve and an air inlet are arranged on the base. The air inlet is connected to an external air source, and the air inlet is connected to the air cylinder through an air pipe.

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