Fire gun buckle

Abstract

The present invention relates to the technical field of fire-fighting equipment, and discloses a new type of fire-fighting gun buckle, comprising a water gun part and a water pipe part, one end of the water gun part is integrally fixedly connected with a right connecting piece, one end of the water pipe part is fixedly connected with a left connecting piece, and also comprises: a limiting component is arranged on the outer side of the water pipe part, a mounting component is arranged on the inner side of the left connecting piece, the limiting component comprises a fixing ring which is sleeved and installed on one side of the outer side of the right connecting piece, and the fixing ring is fixedly connected with the right connecting piece; the mounting component comprises an inner rod installed on the inner side of the right connecting piece, an arc block is fixedly connected on the outer side of the inner rod, a positioning rod is installed on the inner array of the left connecting piece, and a second inclined block is fixedly connected on the outer side of the positioning rod, so as to solve the problem that the device is inconvenient for firefighters to hold and adjust the angle for use, the flexibility of use is poor, trouble is brought to subsequent fire fighting, and the efficiency of fire fighting operation is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting gun buckle. Background Art

[0002] The fire gun buckle is usually connected to a fire water pipe. When the fire water pipe is in use, the fire water pipe is connected to the fire hose through the fire gun buckle, and firefighters can extinguish the fire through the fire hose. Firefighters need to hold the fire hose and the fire gun buckle with both hands to move and adjust the position of the fire hose. Since the hose has a large impact pressure, it is inconvenient for firefighters to hold the hose, which brings trouble to subsequent fire fighting.

[0003] For example, a fire gun buckle with announcement number CN210159128U includes a fastener body, which is composed of a pair of fastener heads that can be clamped to each other, a base is arranged below the fastener body, a rolling assembly is arranged at the bottom of the base, and a clamping member for accommodating the fastener body is arranged on the top of the base, and the clamping member includes an arc-shaped groove opened at the top of the base and an arc-shaped cover plate located on one side of the arc-shaped groove and hinged to the arc-shaped groove. It has the advantage of avoiding wear caused by direct contact between the fire gun buckle and the ground. However, the device is not convenient for firefighters to hold and adjust the angle for use, and has poor flexibility in use, which brings trouble to subsequent fire fighting and reduces the efficiency of fire fighting operations. There are certain defects.

[0004] Therefore a fire-fighting gun buckle is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a fire gun buckle to solve the problem that the device is inconvenient for firefighters to hold and adjust the angle for use, has poor flexibility in use, causes trouble for subsequent fire fighting, and reduces the efficiency of fire fighting operations.

[0006] To achieve the above object, the present invention provides the following technical solution: a fire gun buckle, comprising a water gun part and a water pipe part, one end of the water gun part is integrally fixedly connected with a right connecting piece, and one end of the water pipe part is fixedly connected with a left connecting piece;

[0007] Also includes:

[0008] A limit assembly is disposed on the outer side of the water pipe portion, and a mounting assembly is disposed inside the left connecting piece;

[0009] The limit assembly includes a fixing ring sleeved and installed on one side of the outside of the right connecting piece, the fixing ring is fixedly connected to the right connecting piece, a connecting strip is fixedly connected to the side of the fixing ring close to the water pipe part, an inner gear ring is fixedly connected to the side of the connecting strip away from the fixing ring, a fixing rod is fixedly connected to the top of the side of the left connecting piece close to the water pipe part, and a mounting bearing is fixedly installed on the top of the fixing rod;

[0010] The mounting bearing is internally rotatably connected with a screw rod, one end of the screw rod is fixedly connected with a gear, the gear is meshed with the inner gear ring, the outer side of the screw rod is sleeved with an adjustment sleeve, the adjustment sleeve is threadedly connected with the screw rod, the bottom of the adjustment sleeve is fixedly connected with a limit rod, and the outer side of the water pipe part is symmetrically fixedly connected with a telescopic rod;

[0011] The top of the telescopic part of the telescopic rod is fixedly connected with an arc-shaped pressing plate, the outer side of the telescopic part of the telescopic rod is sleeved with a spring 1, the middle of the top of the arc-shaped pressing plate is fixedly connected with a first inclined block, and the inclined surface of the first inclined block abuts against the adjustment sleeve;

[0012] The mounting assembly comprises an inner rod mounted inside the right connecting member, an arc block is fixedly connected to the outer side of the inner rod, an arc groove and an annular groove are opened on the side of the left connecting member close to the right connecting member, a positioning rod is installed in the inner array of the left connecting member, and a second inclined block is fixedly connected to the outer side of the positioning rod;

[0013] The other side of the outside of the right connecting piece is fixedly connected with an outer rod, the outer rods are arranged in an array, the inner side of the outer rods is provided with a mounting groove, and the positioning rod is engaged with the mounting groove.

[0014] Preferably, the connecting bars are arranged in an array, the number of the connecting bars is no less than three, the mounting bearing is fixedly connected to a fixing rod, and the fixing rod is located on a side of the inner gear ring away from the outer rod.

[0015] By adopting the above technical solution, when the water gun part and the water pipe part are installed, the firefighter's hands are limited and pressed by the arc pressure plate, which improves the stability of the firefighter during subsequent adjustments to the water spray fire extinguishing, reduces the unstable grip of the water gun part, and improves the fire extinguishing operation efficiency and fire extinguishing effect.

[0016] Preferably, the mounting bearing is located between the adjusting sleeve and the gear, the limiting rod is L-shaped, the limiting rod is slidably connected to the fixing rod, and the telescopic rod is symmetrically arranged.

[0017] By adopting the above technical solution, the bearing is installed to provide auxiliary support for the screw rod, and the limiting rod slides inside the fixed rod to limit the adjusting sleeve.

[0018] Preferably, there are no less than two telescopic rods, the spring one is slidably connected to the telescopic part of the telescopic rod, the bottom end of the spring one is fixedly connected to the top end of the sleeve part of the telescopic rod, and the top end of the spring one is fixedly connected to the bottom surface of the arc-shaped pressure plate.

[0019] By adopting the above technical solution, the rotation of the screw rod can drive the adjustment sleeve to move, and the adjustment sleeve moves to squeeze the inclined surface of the arc pressure plate, so that the arc pressure plate descends, making it easier for the arc pressure plate to press the hands of the firefighters.

[0020] Preferably, the arc block is located at the end of the inner rod away from the right connecting piece, the inner rods are no less than four, the number of the outer rods is the same as the inner rods, the number of the arc grooves is the same as the inner rods, the arc block is slidably connected to the arc grooves, and the arc grooves are opened in an array.

[0021] By adopting the above technical solution, the water gun part is fitted with the water pipe part, so that the arc block slides into the arc groove and contacts and fits with the annular groove, which facilitates the installation of the water gun part and the water pipe part.

[0022] Preferably, the annular groove is connected with the arc groove, and the annular groove is connected with the outside of the left connecting member through the arc groove. The positioning rod is slidingly connected with the left connecting member, one end of the positioning rod is located inside the annular groove, and the other end of the positioning rod is located outside the left connecting member, and the second bevel block is located outside the left connecting member.

[0023] By adopting the above technical solution, the water gun part is rotated, which will drive the inner rod and the arc block to rotate, so that the arc block squeezes the positioning rod, and the rotation of the water gun part will also drive the outer rod on the outside to rotate, so that the outer rod squeezes the second inclined block.

[0024] Preferably, a plurality of groups of side grooves are symmetrically opened inside the left connecting member, each group of side grooves includes two symmetrically opened ones, and each group of side grooves is located on both sides of a single positioning rod.

[0025] By adopting the above technical solution, the side groove is used to assist the smooth movement of the positioning rod.

[0026] Preferably, a second spring is fixedly installed inside the side groove, a moving block is symmetrically fixedly connected to the outer side of the positioning rod, the moving block is slidably connected to the side groove, and one end of the second spring is fixedly installed to the moving block.

[0027] By adopting the above technical solution, the positioning rod drives the moving block to move, the moving block slides inside the side groove, and the moving block compresses the second spring.

[0028] Preferably, the outer rod is located on a side of the fixing ring close to the left connecting piece, the outer rod is located on an inner side of the connecting strip, and a rotational diameter of the outer rod is smaller than a rotational diameter of the connecting strip.

[0029] By adopting the above technical solution, the inner rods and the outer rods are arranged in an array, and the greater the number of the inner rods, the more firmly the water gun part and the water pipe part are installed.

[0030] Compared with the prior art, the invention has the following beneficial effects: a limit position assembly is provided, and when the water gun part and the water pipe part are installed, the hand of the firefighter is limited and pressed by the arc-shaped pressing plate, thereby improving the stability of the firefighter in the subsequent adjustment of the water spraying fire extinguishing, reducing the situation of unstable holding of the water gun part, and improving the efficiency of the fire extinguishing operation and the fire extinguishing effect;

[0031] 1. A limited position component is set. The firefighter places one hand on the lower part of the arc-shaped pressure plate and grasps the water pipe part, and holds the water gun part with the other hand to rotate. The water gun part will drive the fixed ring to rotate, and the fixed ring drives the inner gear ring of the connecting strip to rotate. The rotation of the inner gear ring drives the meshing gear to rotate, and the gear drives the screw rod to rotate. The bearing is installed to assist the screw rod in supporting. The limit rod slides inside the fixed rod to limit the adjustment sleeve. The rotation of the screw rod can drive the adjustment sleeve to move. The movement of the adjustment sleeve squeezes the inclined surface of the arc-shaped pressure plate, so that the arc-shaped pressure plate descends, and the arc-shaped pressure plate compresses spring 1, so that the telescopic rod contracts, so as to facilitate the auxiliary arc-shaped pressure plate to press the firefighter's hand tightly. The arc-shaped pressure plate limits and presses the firefighter's hand tightly, which improves the stability of the firefighter in the subsequent adjustment of the water spraying fire extinguishing, reduces the unstable holding of the water gun part, improves the efficiency and effect of the fire extinguishing operation, and solves the problem that the device is not convenient for firefighters to hold and adjust the angle, has poor flexibility in use, brings trouble to the subsequent fire extinguishing, and reduces the efficiency of the fire extinguishing operation.

[0032] 2. A mounting assembly is provided. The firefighter fits the water gun part to the water pipe part so that the arc block slides into the arc groove and contacts and fits with the annular groove. Then, the water gun part is rotated. The water gun part will drive the inner rod and the arc block to rotate, so that the arc block squeezes the positioning rod, and the rotation of the water gun part will also drive the outer rod on the outside to rotate. The rotation of the outer rod will contact the second inclined block, so that the outer rod squeezes the second inclined block. The second inclined block drives the positioning rod to move, and the positioning rod drives the moving block to move. The moving block slides inside the side groove, and the moving block compresses the spring 2, so that the positioning rod is stuck on the side of the inner rod away from the arc block until the inner rod fits with one end of the arc groove. The left connecting piece cooperates with the positioning rod to prevent the arc block from falling out. At this time, the top of the positioning rod is stuck in the mounting groove, so that the outer rod and the inner rod are fixed, thereby facilitating the installation of the water gun part and the water pipe part. The inner rod and the outer rod are arranged in an array. The more their number, the more firmly the water gun part and the water pipe part are installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0034] Figure 2 It is a schematic diagram of a second three-dimensional overall structure of the present invention;

[0035] Figure 3 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0036] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0037] Figure 5 This is a schematic diagram of the installation structure of the arc-shaped pressing plate of the present invention;

[0038] Figure 6 This is a schematic diagram of disassembling the water gun part and the water pipe part of the present invention;

[0039] Figure 7 It is a schematic diagram of the cross-sectional structure of the water pipe part of the present invention;

[0040] Figure 8 For the present invention Figure 7 The enlarged structural diagram at C in the middle;

[0041] Fig. 9 It is a schematic cross-sectional structural diagram of the left connecting member of the present invention;

[0042] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at point D in the middle.

[0043] In the figure: 1. water gun part; 2. water pipe part; 3. right connecting piece; 4. left connecting piece; 5. limiting assembly; 51. fixing ring; 52. connecting strip; 53. inner gear ring; 54. fixing rod; 55. mounting bearing; 56. screw rod; 57. gear; 58. adjusting sleeve; 59. limiting rod; 510. telescopic rod; 511. arc pressure plate; 512. spring one; 513. first inclined block; 6. mounting assembly; 61. inner rod; 62. arc block; 63. arc groove; 64. annular groove; 65. positioning rod; 66. side groove; 67. spring two; 68. moving block; 69. second inclined block; 610. outer rod; 611. mounting groove. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1-Figure 10 The present invention provides a technical solution: a fire-fighting gun buckle, comprising a water gun part 1 and a water pipe part 2, one end of the water gun part 1 is integrally fixedly connected with a right connecting piece 3, and one end of the water pipe part 2 is fixedly connected with a left connecting piece 4.

[0046] A limiting assembly 5 is arranged on the outer side of the water pipe portion 2, and the limiting assembly 5 includes a fixing ring 51 which is sleeved and installed on the outer side of the right connecting piece 3, the fixing ring 51 is fixedly connected to the right connecting piece 3, a connecting strip 52 is fixedly connected to the side of the fixing ring 51 close to the water pipe portion 2, and an inner gear ring 53 is fixedly connected to the side of the connecting strip 52 away from the fixing ring 51, a fixing rod 54 is fixedly connected to the top of the side of the left connecting piece 4 close to the water pipe portion 2, and a mounting bearing 55 is fixedly installed on the top of the fixing rod 54.

[0047] The connecting bars 52 are arranged in an array, with no less than three connecting bars 52 . The mounting bearing 55 is fixedly connected to the fixing rod 54 , and the fixing rod 54 is located on a side of the inner gear ring 53 away from the outer rod 610 .

[0048] The bearing 55 is installed with a screw rod 56 that is rotatably connected inside. One end of the screw rod 56 is fixedly connected to a gear 57. The gear 57 is meshed with the inner gear ring 53. An adjusting sleeve 58 is sleeved on the outer side of the screw rod 56. The adjusting sleeve 58 is threadedly connected to the screw rod 56. The bottom of the adjusting sleeve 58 is fixedly connected to a limit rod 59. The outer side of the water pipe part 2 is symmetrically fixedly connected to a telescopic rod 510.

[0049] The mounting bearing 55 is located between the adjusting sleeve 58 and the gear 57 . The limiting rod 59 is L-shaped. The limiting rod 59 is slidably connected to the fixing rod 54 . The telescopic rod 510 is symmetrically arranged.

[0050] An arc-shaped pressing plate 511 is fixedly connected to the top of the telescopic part of the telescopic rod 510, a spring 512 is sleeved on the outside of the telescopic part of the telescopic rod 510, a first inclined block 513 is fixedly connected to the middle of the top of the arc-shaped pressing plate 511, and the inclined surface of the first inclined block 513 abuts against the adjustment sleeve 58.

[0051] There are no less than two telescopic rods 510, spring one 512 is slidably connected to the telescopic part of the telescopic rod 510, the bottom end of spring one 512 is fixedly connected to the top of the sleeve part of the telescopic rod 510, and the top end of spring one 512 is fixedly connected to the bottom surface of the arc pressure plate 511.

[0052] Embodiment 1: Figure 1-Figure 5 As shown, a limiting component 5 is provided. During installation, the water gun part 1 and the water pipe part 2 are attached and rotated, and then fixed by using the installation component 6. The firefighter places one hand on the lower part of the arc-shaped pressure plate 511 and grasps the water pipe part 2, and holds the water gun part 1 with the other hand to rotate. The water gun part 1 will drive the fixing ring 51 to rotate, and the fixing ring 51 will drive the inner gear ring 53 of the connecting strip 52 to rotate. The rotation of the inner gear ring 53 will drive the meshing gear 57 to rotate, and the gear 57 will drive the screw rod 56 to rotate. The bearing 55 is installed to provide auxiliary support for the screw rod 56. The limiting rod 59 slides inside the fixing rod 54 to limit the adjustment sleeve 58.

[0053] The rotation of the screw rod 56 can drive the adjustment sleeve 58 to move, and the adjustment sleeve 58 moves to squeeze the inclined surface of the arc pressure plate 511, so that the arc pressure plate 511 descends, and the arc pressure plate 511 compresses the spring 1 512, so that the telescopic rod 510 contracts, thereby assisting the arc pressure plate 511 to press the hands of the firefighters.

[0054] The arc-shaped pressure plate 511 limits and presses the firefighter's hands, thereby improving the stability of the firefighter when subsequently adjusting the water spray fire extinguishing, reducing the situation where the water gun part 1 is held unstable, improving the efficiency of the fire extinguishing operation and the fire extinguishing effect, and solving the problem that the device is inconvenient for firefighters to hold and adjust the angle for use, and has poor flexibility in use, which brings trouble to the subsequent fire extinguishing and reduces the efficiency of the fire extinguishing operation.

[0055] An installation assembly 6 is provided inside the left connecting member 4, and the installation assembly 6 includes an inner rod 61 installed inside the right connecting member 3, and an arc block 62 is fixedly connected to the outer side of the inner rod 61. An arc groove 63 and an annular groove 64 are provided on the side of the left connecting member 4 close to the right connecting member 3. A positioning rod 65 is installed in the internal array of the left connecting member 4, and a second inclined block 69 is fixedly connected to the outer side of the positioning rod 65.

[0056] The other side of the right connecting member 3 is fixedly connected with an outer rod 610 . The outer rods 610 are arranged in an array. The inner side of the outer rods 610 is provided with a mounting groove 611 . The positioning rod 65 is engaged with the mounting groove 611 .

[0057] The arc block 62 is located at the end of the inner rod 61 away from the right connecting piece 3. There are no less than four inner rods 61, the number of outer rods 610 is the same as that of the inner rods 61, the number of arc grooves 63 is the same as that of the inner rods 61, the arc block 62 is slidably connected to the arc grooves 63, and the arc grooves 63 are opened in an array.

[0058] The annular groove 64 is connected to the arc groove 63, and the annular groove 64 is connected to the outside of the left connecting member 4 through the arc groove 63. The positioning rod 65 is slidably connected to the left connecting member 4. One end of the positioning rod 65 is located inside the annular groove 64, and the other end of the positioning rod 65 is located outside the left connecting member 4. The second inclined block 69 is located outside the left connecting member 4.

[0059] A plurality of groups of side grooves 66 are symmetrically provided inside the left connecting member 4 . Each group of side grooves 66 includes two symmetrically provided ones. Each group of side grooves 66 is located on both sides of a single positioning rod 65 .

[0060] A second spring 67 is fixedly installed inside the side groove 66 , and a moving block 68 is symmetrically fixedly connected to the outer side of the positioning rod 65 . The moving block 68 is slidably connected to the side groove 66 , and one end of the second spring 67 is fixedly installed to the moving block 68 .

[0061] The outer rod 610 is located on a side of the fixing ring 51 close to the left connecting piece 4 , and the outer rod 610 is located on the inner side of the connecting strip 52 . The rotation diameter of the outer rod 610 is smaller than the rotation diameter of the connecting strip 52 .

[0062] Embodiment 2: Figure 6-Figure 10 As shown, a mounting assembly 6 is provided. The firefighter fits the water gun part 1 against the water pipe part 2 so that the arc block 62 slides into the arc groove 63 and contacts and fits with the annular groove 64. Then the water gun part 1 is rotated. The water gun part 1 drives the inner rod 61 and the arc block 62 to rotate, so that the arc block 62 squeezes the positioning rod 65. The rotation of the water gun part 1 also drives the outer rod 610 on the outside to rotate. The rotation of the outer rod 610 contacts the second inclined block 69, so that the outer rod 610 squeezes the second inclined block 69.

[0063] The second inclined block 69 drives the positioning rod 65 to move, and the positioning rod 65 drives the moving block 68 to move. The moving block 68 slides inside the side groove 66, and the moving block 68 compresses the second spring 67, so that the positioning rod 65 is stuck on the side of the inner rod 61 away from the arc block 62 until the inner rod 61 fits with one end of the arc groove 63. The left connecting piece 4 cooperates with the positioning rod 65 to prevent the arc block 62 from falling out. At this time, the top of the positioning rod 65 is stuck in the installation groove 611, realizing the fixation of the outer rod 610 and the inner rod 61, thereby facilitating the installation of the water gun part 1 and the water pipe part 2, and the inner rod 61 and the outer rod 610 are both arranged in an array. The more their number, the more firmly the water gun part 1 and the water pipe part 2 are installed.

[0064] Working principle: When using the device, first, Figure 1-Figure 10 As shown, the firefighter places one hand on the lower part of the arc pressure plate 511 and grasps the water pipe part 2, and holds the water gun part 1 with the other hand to rotate, so that the arc block 62 slides into the arc groove 63 and contacts and fits with the annular groove 64, and then rotates the water gun part 1, the arc block 62 squeezes the positioning rod 65, and the rotation of the water gun part 1 will also drive the outer rod 610 on the outside to rotate, and the outer rod 610 squeezes the second inclined block 69, so that the moving block 68 slides inside the side groove 66, and the positioning rod 65 is stuck on the side of the inner rod 61 away from the arc block 62 until the inner rod 61 fits with one end of the arc groove 63. The left connecting piece 4 cooperates with the positioning rod 65 to prevent the arc block 62 from falling out, which is convenient for the installation of the water gun part 1 and the water pipe part 2.

[0065] The water gun part 1 will also drive the fixed ring 51 to rotate, and the fixed ring 51 drives the inner ring 53 of the connecting strip 52 to rotate. The inner ring 53 drives the screw rod 56 to rotate through the gear 57. The rotation of the screw rod 56 can drive the adjustment sleeve 58 to move. The adjustment sleeve 58 moves to squeeze the inclined surface of the arc pressure plate 511, so that the arc pressure plate 511 descends, and the arc pressure plate 511 compresses the spring 1 512, so as to facilitate the arc pressure plate 511 to press the firefighter's hand tightly, and the arc pressure plate 511 is used to limit the position of the firefighter's hand.

[0066] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0067] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire gun buckle, comprising a water gun part (1) and a water pipe part (2), wherein one end of the water gun part (1) is integrally fixedly connected to a right connecting piece (3), and one end of the water pipe part (2) is fixedly connected to a left connecting piece (4); It is characterized in that Also includes: A limiting component (5) is arranged outside the water pipe portion (2), and a mounting component (6) is arranged inside the left connecting piece (4); The limiting assembly (5) comprises a fixing ring (51) sleeved and mounted on an outer side of the right connecting member (3), the fixing ring (51) being fixedly connected to the right connecting member (3), a connecting strip (52) being fixedly connected to a side of the fixing ring (51) close to the water pipe portion (2), an inner gear ring (53) being fixedly connected to a side of the connecting strip (52) away from the fixing ring (51), a fixing rod (54) being fixedly connected to a top of a side of the left connecting member (4) close to the water pipe portion (2), and a mounting bearing (55) being fixedly mounted on a top of the fixing rod (54); A screw rod (56) is rotatably connected inside the mounting bearing (55), one end of the screw rod (56) is fixedly connected to a gear (57), the gear (57) is meshingly connected to the inner gear ring (53), an adjustment sleeve (58) is sleeved on the outer side of the screw rod (56), the adjustment sleeve (58) is threadedly connected to the screw rod (56), the bottom of the adjustment sleeve (58) is fixedly connected to a limit rod (59), and a telescopic rod (510) is symmetrically fixedly connected to the outer side of the water pipe portion (2); The top end of the telescopic portion of the telescopic rod (510) is fixedly connected to an arc-shaped pressing plate (511), the outer side of the telescopic portion of the telescopic rod (510) is sleeved with a spring 1 (512), the middle of the top of the arc-shaped pressing plate (511) is fixedly connected to a first inclined block (513), and the inclined surface of the first inclined block (513) is in contact with the adjustment sleeve (58); The mounting assembly (6) comprises an inner rod (61) mounted inside the right connecting member (3), an arc block (62) being fixedly connected to the outer side of the inner rod (61), an arc groove (63) and an annular groove (64) being formed on a side of the left connecting member (4) close to the right connecting member (3), a positioning rod (65) being mounted in an inner array of the left connecting member (4), and a second inclined block (69) being fixedly connected to the outer side of the positioning rod (65); The other side of the right connecting member (3) is fixedly connected to an outer rod (610), the outer rods (610) are arranged in an array, the inner side of the outer rods (610) is provided with a mounting groove (611), and the positioning rod (65) is engaged with the mounting groove (611).

2. A fire-fighting gun buckle according to claim 1, characterized in that: The connecting bars (52) are arranged in an array, and there are no less than three connecting bars (52). The mounting bearing (55) is fixedly connected to a fixing rod (54), and the fixing rod (54) is located on a side of the inner gear ring (53) away from the outer rod (610).

3. A fire-fighting gun buckle according to claim 1, characterized in that: The mounting bearing (55) is located between the adjusting sleeve (58) and the gear (57); the limiting rod (59) is arranged in an L shape; the limiting rod (59) is slidably connected to the fixing rod (54); and the telescopic rod (510) is symmetrically arranged.

4. A fire-fighting gun buckle according to claim 1, characterized in that: There are no less than two telescopic rods (510), the spring one (512) is slidably connected to the telescopic portion of the telescopic rod (510), the bottom end of the spring one (512) is fixedly connected to the top end of the sleeve portion of the telescopic rod (510), and the top end of the spring one (512) is fixedly connected to the bottom surface of the arc-shaped pressure plate (511).

5. The fire-fighting gun buckle according to claim 1, characterized in that: The arc block (62) is located at an end of the inner rod (61) away from the right connecting member (3), the inner rods (61) are not less than four, the number of the outer rods (610) is the same as that of the inner rods (61), the number of the arc grooves (63) is the same as that of the inner rods (61), the arc block (62) is slidably connected to the arc grooves (63), and the arc grooves (63) are arranged in an array.

6. A fire-fighting gun buckle according to claim 5, characterized in that: The annular groove (64) is connected to the arc groove (63), and the annular groove (64) is connected to the outside of the left connecting member (4) through the arc groove (63). The positioning rod (65) is slidably connected to the left connecting member (4), one end of the positioning rod (65) is located inside the annular groove (64), and the other end of the positioning rod (65) is located outside the left connecting member (4). The second inclined block (69) is located outside the left connecting member (4).

7. A fire-fighting gun buckle according to claim 6, characterized in that: The left connecting member (4) has a plurality of groups of side grooves (66) symmetrically formed inside, each group of side grooves (66) comprising two symmetrically formed side grooves, and each group of side grooves (66) is located on both sides of a single positioning rod (65).

8. A fire-fighting gun buckle according to claim 7, characterized in that: A second spring (67) is fixedly installed inside the side groove (66), and a moving block (68) is symmetrically fixedly connected to the outer side of the positioning rod (65). The moving block (68) is slidably connected to the side groove (66), and one end of the second spring (67) is fixedly installed to the moving block (68).

9. The fire-fighting gun buckle according to claim 1, characterized in that: The outer rod (610) is located on a side of the fixing ring (51) close to the left connecting piece (4), the outer rod (610) is located on the inner side of the connecting strip (52), and the rotation diameter of the outer rod (610) is smaller than the rotation diameter of the connecting strip (52).

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