CN108816551B - Flexible spray gun that turns round - Google Patents

Flexible spray gun that turns round Download PDF

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Publication number
CN108816551B
CN108816551B CN201810689603.5A CN201810689603A CN108816551B CN 108816551 B CN108816551 B CN 108816551B CN 201810689603 A CN201810689603 A CN 201810689603A CN 108816551 B CN108816551 B CN 108816551B
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China
Prior art keywords
support body
hinge support
shell
trigger
nozzle shell
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CN201810689603.5A
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Chinese (zh)
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CN108816551A (en
Inventor
陈伟
李振兴
关海振
吴昱
郭桂容
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Beijing Beiji Mechanical and Electrical Industry Co Ltd
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Beijing Beiji Mechanical and Electrical Industry Co Ltd
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Priority to CN201810689603.5A priority Critical patent/CN108816551B/en
Publication of CN108816551A publication Critical patent/CN108816551A/en
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Publication of CN108816551B publication Critical patent/CN108816551B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/01Spray pistols, discharge devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/304Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002Manually-actuated controlling means, e.g. push buttons, levers or triggers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/63Handgrips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B05B15/652Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits whereby the jet can be oriented

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Abstract

The invention discloses a flexible turning spray gun, belonging to the technical field of spray guns, comprising: the nozzle comprises a nozzle shell, a front hinge bracket body, a rear hinge bracket body, a pin shaft, a connecting hose and an oil conveying pipe; the spray gun comprises a spray gun shell, a front hinge support body, a rear hinge support body and an oil conveying pipe, wherein the spray gun shell, the front hinge support body, the rear hinge support body and the oil conveying pipe are sequentially butted to form the spray gun shell; the front hinge support body and the rear hinge support body are in butt joint through two coaxial pin shafts arranged at the butt joint surfaces of the front hinge support body and the rear hinge support body, and the front hinge support body can rotate left and right in a horizontal plane around the pin shafts to form an included angle with the rear hinge support body; after the connecting hose penetrates through a cavity formed by butting the front hinge support body and the rear hinge support body, two ends of the connecting hose are respectively fixed on the inner circumferential surfaces of the nozzle shell and the oil pipeline through the mounting seat, the two ends of the connecting hose are respectively communicated with the nozzle shell and the oil pipeline, and an inner cavity of the nozzle shell, the connecting hose and the oil pipeline form a liquid channel; the invention can perform corner spraying and protect the personal safety of operators when spraying operation is performed in some special occasions.

Description

Flexible spray gun that turns round
Technical Field
The invention belongs to the technical field of spray guns, and particularly relates to a flexible turning spray gun.
Background
Spray guns for liquid injection in the market at present are direct spray guns, and are not beneficial to self-protection of operators when injection operation is carried out in some special occasions, such as fire extinguishment in buildings and stimulation agent injection for hidden terrorists.
Disclosure of Invention
In view of the above, the present invention is to provide a flexible turning spray gun, which can perform turning spray and protect the personal safety of operators when performing spray operation in some special occasions.
The invention is realized by the following technical scheme:
a flexible bend lance comprising: the nozzle comprises a nozzle shell, a valve core assembly, a front hinge support body, a rear hinge support body, a pin shaft, a connecting hose, a tenon assembly, an oil conveying pipe and a driving assembly;
the front hinge bracket body and the rear hinge bracket body are both cylindrical shells;
the spray gun comprises a spray gun shell, a front hinge support body, a rear hinge support body and an oil conveying pipe, wherein the spray gun shell, the front hinge support body, the rear hinge support body and the oil conveying pipe are sequentially butted to form the spray gun shell; the front hinge support body and the rear hinge support body are in butt joint through two coaxial pin shafts arranged at the butt joint faces of the front hinge support body and the rear hinge support body, the axes of the pin shafts are perpendicular to the axes of the front hinge support body and the rear hinge support body, and the front hinge support body can rotate left and right in a horizontal plane around the pin shafts to form an included angle with the rear hinge support body;
after the connecting hose penetrates through a cavity formed by butting the front hinge support body and the rear hinge support body, two ends of the connecting hose are respectively fixed on the inner circumferential surfaces of the nozzle shell and the oil pipeline through the mounting seat, the two ends of the connecting hose are respectively communicated with the nozzle shell and the oil pipeline, and an inner cavity of the nozzle shell, the connecting hose and the oil pipeline form a liquid channel;
the valve core assembly is arranged in the cavity of the nozzle shell, can move along the axial direction of the nozzle shell and is used for opening or closing the outlet end of the nozzle shell;
the driving assembly is arranged outside the spray gun shell and used for controlling the axial movement of the valve core assembly;
the tenon component is arranged at the butt joint of the front hinge support body and the rear hinge support body, and the rotation of the front hinge support body is limited by matching with the front hinge support body.
Further, the valve core assembly comprises: the device comprises a piston, a valve top, a flow guide body, a guide bolt and a return spring;
the piston is of a hollow structure, and the valve top and one end of the flow guide body are respectively arranged at two ends of the piston through annular plates provided with liquid circulation holes; the other ends of the valve top head and the flow guide body are both in a conical structure; the cone-shaped structure of the flow guide body is used for guiding the liquid; the conical structure of the valve top head is matched with the outlet end of the nozzle shell, when the piston moves to the outlet end of the nozzle shell in place, the conical structure of the valve top head seals the outlet end of the nozzle shell, and liquid cannot be sprayed out; when the piston moves towards the direction far away from the outlet end of the nozzle shell, the conical structure of the valve top gradually opens the outlet end of the nozzle shell, and the flow rate of the liquid gradually increases; the outer circumferential surface of the piston is provided with a guide groove along the axial direction of the piston, and the guide groove is matched with a guide bolt fixed on the nozzle shell and used for guiding the axial movement of the piston and circumferentially limiting the axial movement of the piston; the reset spring is installed between the piston and the mounting seat connected with the end part of the hose, when the outlet end of the nozzle shell is opened, the piston moves towards the direction of the outlet end far away from the nozzle shell under the action of the driving assembly, and when the outlet end of the nozzle shell is closed, the reset spring is utilized to push the piston to move towards the direction of the outlet end of the nozzle shell to reset.
Further, the driving assembly includes: the trigger comprises a trigger mounting seat, a trigger, a conversion block, a locking block, a flexible rope, a support pillar, a tension spring, a push block and a compression spring;
the trigger mounting seat is fixed outside the oil conveying pipe, one end of the trigger is mounted on the trigger mounting seat through a rotating shaft, and the other end of the trigger is used as a spanner for pulling the trigger to rotate clockwise around the rotating shaft on the trigger; the middle part of the conversion block is arranged on the trigger mounting seat through a rotating shaft, one end of the conversion block is opposite to the trigger, and when the trigger is pulled anticlockwise, the conversion block is pushed to rotate clockwise around the rotating shaft on the conversion block; the other end of the flexible rope is connected with the other end of the flexible rope, and when the conversion block rotates clockwise around the rotating shaft on the conversion block, the flexible rope is pulled backwards;
a tension spring mounting shell is arranged outside the nozzle shell; one end of a tension spring arranged along the axial direction of the nozzle shell is fixed on the tension spring mounting shell through a bolt, the other end of the tension spring is connected with one end of a flexible rope through a push block, and the other end of the flexible rope is fixed on a conversion block through a locking block;
a guide hole along the axial direction of the piston is processed on the tension spring mounting shell, one end of the top column is fixed outside the valve core assembly, and the other end of the top column penetrates through the guide hole and is pressed on the tension spring mounting shell through a pressing spring and a nut; the ejection column is in contact with the push block, and the flexible rope penetrates through the ejection column; when the trigger is pulled to pull the flexible rope to move towards the direction of the trigger, the push block is used for pushing the ejection column to move towards the direction of the trigger, and then the valve core assembly is pushed to move towards the direction of the outlet end far away from the nozzle shell.
Further, the flexible rope is a steel wire rope.
Furthermore, the flexible rope is respectively arranged at two ends of the flexible rope, so that the flexible rope positioned between the guide wheel and the pulley is parallel to the axis of the spray gun shell; the leading wheel is located the trigger mount pad, and the pulley is located the extension spring installation shell.
Further, the trip assembly includes: the clamping tenon comprises a clamping tenon body, a clamping tenon shaft and a clamping tenon spring;
the middle part of the clamping tenon body is arranged outside the rear hinge support body through a clamping tenon shaft, the front end of the clamping tenon body is bent downwards to form a vertical section, and the outer surface of the vertical section is matched with a regular polygonal blind hole processed outside the front hinge support body; a clamping tenon spring is arranged between the rear end of the clamping tenon body and the outer surface of the rear hinge support body, and the clamping tenon spring is in a compressed state.
Furthermore, the handle is arranged outside the front hinge support body.
Has the advantages that: the invention is used for spraying a decontamination agent, a disinfectant, an irritant, a water-based fire extinguishing agent and the like, can be used for corner spraying operation in special occasions, such as spraying at windows, door openings and corners of buildings, spraying into holes at cave openings and the like, can better protect the personal safety of operators, and has better social benefit.
Drawings
FIG. 1 is a structural component diagram of the present invention;
FIG. 2 is a block diagram of the valve cartridge assembly of the present invention;
FIG. 3 is a schematic view of the direct projection of the present invention;
FIG. 4 is a schematic view of a corner injection condition of the present invention;
the nozzle comprises a nozzle shell, a valve core assembly, a guide bolt, a reset spring, a front hinge support body, a connecting hose, a pin shaft, a tenon body, a tenon shaft, a 10-tenon spring, a rear hinge support body, a connecting hose, a pin shaft, a 8-tenon body, a 9-tenon shaft, a 10-tenon spring, a rear hinge support body, an oil delivery pipe, a trigger, a switching block, a locking block, a guide wheel, a handle, a flexible rope, a pulley, a top column, a tension spring, a push block, a piston, a valve top head, a guide body, a compression spring and a trigger mounting seat, wherein the nozzle comprises a nozzle shell 1, a valve core assembly 2, a guide.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The present embodiment provides a flexible bend torch, see fig. 1, comprising: the nozzle comprises a nozzle shell 1, a valve core component 2, a front hinge support body 5, a rear hinge support body 11, a pin shaft 7, a connecting hose 6, a tenon component, an oil pipeline 12, a driving component and a handle 17;
the front hinge bracket body 5 and the rear hinge bracket body 11 are both cylindrical shells;
the spray gun comprises a spray gun shell, a spray gun support body, a front hinge support body 5, a rear hinge support body 11 and an oil conveying pipe 12, wherein the spray gun shell, the front hinge support body, the rear hinge support body and the oil conveying pipe 12 are sequentially butted to form the spray gun shell; the front hinge support body 5 and the rear hinge support body 11 are in butt joint through two coaxial pin shafts 7 arranged at the butt joint surfaces of the front hinge support body 5 and the rear hinge support body 11, the axes of the pin shafts 7 are perpendicular to the axis of the front hinge support body 5 and the axis of the rear hinge support body 11, the front hinge support body 5 can rotate left and right in the horizontal plane around the pin shafts, an included angle is formed between the front hinge support body 5 and the rear hinge support body 11, and turning injection is achieved; when the axis of the front hinge bracket body 5 is coincident with the axis of the rear hinge bracket body 11, the axis is the initial rotation position of the front hinge bracket body 5, the rotation angle of the front hinge bracket body 5 is 0 degree, and the rotation range of the front hinge bracket body 5 around the pin shaft 7 is-45 degrees to +45 degrees;
after the connecting hose 6 passes through a cavity formed by butt joint of the front hinge support body 5 and the rear hinge support body 11, two ends of the connecting hose are respectively fixed on the inner circumferential surfaces of the nozzle shell 1 and the oil pipeline 12 through mounting seats, and two ends of the connecting hose are respectively communicated with the nozzle shell 1 and the oil pipeline 12, and the inner cavity of the nozzle shell 1, the connecting hose 6 and the oil pipeline 12 form a liquid channel;
the valve core assembly is arranged in a cavity of the nozzle shell 1 and can move axially along the nozzle shell 1, so that the outlet end of the nozzle shell 1 is opened or closed;
the driving assembly is arranged outside the spray gun shell and used for controlling the axial movement of the valve core assembly;
the clamping tenon component is arranged on the rear hinge support body 11, and realizes the rotation limit of the front hinge support body 5 through the matching with the front hinge support body 5 so as to realize the locking of the relative positions of the front hinge support body 5 and the rear hinge support body 11;
the handle 17 is arranged outside the front hinge support body 5, so that the turning spray gun can be lifted conveniently;
wherein, referring to fig. 2, the valve core assembly 2 comprises: the piston 23, the valve top 24, the flow guide body 25, the guide bolt 3 and the reset spring 4; the piston 23 is a hollow structure, and one end of the valve top 24 and one end of the flow guide body 25 are respectively arranged at two ends of the piston 23 through annular plates provided with liquid circulation holes; the other ends of the valve top 24 and the flow guide body 25 are both cone-shaped structures; the cone-shaped structure of the flow guide body 25 is used for guiding the liquid; the conical structure of the valve plug 24 is matched with the outlet end of the nozzle shell 1, when the piston 23 moves to the outlet end direction of the nozzle shell 1 to a proper position, the conical structure of the valve plug 24 seals the outlet end of the nozzle shell 1, and liquid cannot be sprayed out; when the piston 23 moves away from the outlet end of the nozzle housing 1, the tapered structure of the valve plug 24 gradually opens the outlet end of the nozzle housing 1, and the flow rate of the liquid gradually increases; the outer circumferential surface of the piston 23 is provided with a guide groove along the axial direction, and the guide groove is matched with a guide bolt 3 fixed on the nozzle shell 1 and plays a role in guiding the axial movement of the piston 23 and limiting the axial movement in the circumferential direction; the return spring 4 is arranged between the piston 23 and a mounting seat at the end part of the connecting hose 6, when the outlet end of the nozzle shell 1 is opened, the piston 23 moves towards the direction far away from the outlet end of the nozzle shell 1 under the action of the driving assembly, the return spring 4 is compressed, and when the outlet end of the nozzle shell 1 is closed, the return spring 4 is used for pushing the piston 23 to move towards the direction of the outlet end of the nozzle shell 1 for resetting;
the drive assembly includes: the trigger comprises a trigger mounting seat 27, a trigger 13, a conversion block 14, a locking block 15, a guide wheel 16, a flexible rope 18, a pulley 19, a top column 20, a tension spring 21, a push block 22 and a compression spring 26;
the trigger mounting seat 27 is fixed outside the oil pipeline 12, one end of the trigger 13 is mounted on the trigger mounting seat 27 through a rotating shaft, and the other end of the trigger is used as a spanner for pulling the trigger to rotate clockwise around the rotating shaft on the trigger; the middle part of the conversion block 14 is arranged on the trigger mounting seat 27 through a rotating shaft, one end of the conversion block is opposite to the trigger 13, and when the trigger 13 is pulled anticlockwise, the conversion block 14 is pushed to rotate clockwise around the rotating shaft on the conversion block; the other end is connected to a flexible cord 18 which pulls the flexible cord 18 rearwardly when the transition piece 14 is rotated clockwise about its pivot axis.
A tension spring mounting shell is arranged outside the nozzle shell 1; one end of a tension spring 21 arranged along the axial direction of the nozzle shell 1 is fixed on the tension spring mounting shell through a bolt, the other end of the tension spring is connected with one end of a flexible rope 18 through a push block 22, and the other end of the flexible rope 18 is fixed on a conversion block 14 through a locking block 15; the flexible rope 18 is a steel wire rope, two ends of the flexible rope 18 are respectively provided with a guide wheel 16 and a pulley 19 for guiding, so that the flexible rope 18 positioned between the guide wheel 16 and the pulley 19 is parallel to the axis of the spray gun shell; the guide wheel 16 is positioned in the trigger mounting seat 27, and the pulley 19 is positioned in the tension spring mounting shell;
a guide hole along the axial direction of the piston 23 is processed on the tension spring mounting shell, one end of the top column 20 is fixed on the outer circumferential surface of the piston 23 of the valve core assembly 2, and the other end of the top column passes through the guide hole and is pressed on the tension spring mounting shell through a compression spring 26 and a nut; the top column 20 is positioned between the push block 22 and the pulley 19 and is in contact with the push block 22, and the flexible rope 18 penetrates through the top column 20; when the trigger 13 is pulled to pull the flexible rope 18 to move towards the direction of the trigger 13, the pushing block 22 pushes the top pillar 20 to move towards the direction of the trigger 13, and further pushes the piston 23 to move towards the direction of the trigger 13 along the guide hole, namely, towards the direction away from the outlet end of the nozzle housing 1;
the trip assembly includes: the tenon comprises a tenon body 8, a tenon shaft 9 and a tenon spring 10; the middle part of the clamping tenon body 8 is arranged outside the rear hinge support body 11 through a clamping tenon shaft 9, the front end of the clamping tenon body 8 is bent downwards to form a vertical section, and the outer surface of the vertical section is matched with a regular polygonal blind hole processed outside the front hinge support body 5; a tenon spring 10 is arranged between the rear end of the tenon body 8 and the outer surface of the rear hinge support body 11, and the tenon spring 10 is in a compressed state.
The working principle is as follows: when the spray gun performs turning injection, the rear end of the clamping tenon body 8 is pressed down, so that the vertical section of the front end of the clamping tenon body 8 is separated from the blind hole outside the front hinge bracket body 5, and the clamping tenon component does not perform rotation limiting on the front hinge bracket body 5 any more; then, the front hinge support body 5 is rotated to enable an included angle between the front hinge support body 5 and the rear hinge support body 11 to be a set angle, and then the vertical section of the front end of the clamping tenon body 8 is inserted into a blind hole in the outer portion of the front hinge support body 5 to realize rotation limiting of the front hinge support body 5;
an operator pulls the trigger 13 anticlockwise to push the conversion block 14 to rotate clockwise around the rotating shaft on the conversion block, so that the flexible rope 18 is pulled to move towards the direction far away from the nozzle shell 1, meanwhile, the pushing block 22 pushes the ejection column 20 to move towards the direction of the trigger 13, so that the piston 23 is driven to move towards the direction far away from the outlet end of the nozzle shell 1, and the outlet end of the nozzle shell 1 is opened; the liquid is sprayed out through the oil pipeline 12, the connecting hose 6 and the inner cavity of the nozzle shell 1 in sequence to realize direct injection or turning injection, as shown in figures 3 and 4;
when the operator releases the trigger 13, the piston 23 moves toward the outlet end of the nozzle housing 1 under the action of the return spring 4 to close the outlet end of the nozzle housing 1, and the push block 22 also moves toward the outlet end of the nozzle housing 1 under the action of the tension spring 21 to prevent the push block 22 from obstructing the movement of the ejection column 20 when the ejection column moves toward the outlet end of the nozzle housing 1 along with the piston 23.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A flexible bend lance, comprising: the nozzle comprises a nozzle shell (1), a valve core assembly (2), a front hinge support body (5), a rear hinge support body (11), a pin shaft (7), a connecting hose (6), a tenon assembly, an oil conveying pipe (12) and a driving assembly;
the front hinge support body (5) and the rear hinge support body (11) are both cylindrical shells;
the spray gun comprises a spray gun shell, a spray gun support body and a spray gun, wherein the spray gun shell (1), the front hinge support body (5), the rear hinge support body (11) and an oil conveying pipe (12) are sequentially butted to form the spray gun shell; the front hinge support body (5) and the rear hinge support body (11) are in butt joint through two coaxial pin shafts (7) arranged at the butt joint faces of the front hinge support body and the rear hinge support body, the axis of each pin shaft (7) is perpendicular to the axis of the front hinge support body (5) and the axis of the rear hinge support body (11), and the front hinge support body (5) can swing around the axis of each pin shaft (7) in the clockwise direction or the anticlockwise direction so as to form an included angle with the rear hinge support body (11);
after the connecting hose (6) penetrates through a cavity formed after the front hinge support body (5) and the rear hinge support body (11) are in butt joint, two ends of the connecting hose are fixed on the inner circumferential surfaces of the nozzle shell (1) and the oil pipeline (12) through mounting seats respectively, two ends of the connecting hose are communicated with the nozzle shell (1) and the oil pipeline (12) respectively, and an inner cavity of the nozzle shell (1), the connecting hose (6) and the oil pipeline (12) form a liquid channel;
the valve core assembly is arranged in a cavity of the nozzle shell (1), can move axially along the nozzle shell (1) and is used for opening or closing the outlet end of the nozzle shell (1);
the driving assembly is arranged outside the spray gun shell and used for controlling the axial movement of the valve core assembly;
the clamping tenon component is arranged at the butt joint of the front hinge support body (5) and the rear hinge support body (11), and the rotation of the front hinge support body (5) is limited by matching with the front hinge support body (5).
2. A flexible corner spray gun according to claim 1, wherein the spool assembly (2) comprises: the valve comprises a piston (23), a valve top (24), a flow guide body (25), a guide bolt (3) and a return spring (4);
the piston (23) is of a hollow structure, and one ends of the valve top (24) and the flow guide body (25) are respectively installed at two ends of the piston (23) through annular plates provided with liquid circulation holes; the other ends of the valve top head (24) and the flow guide body (25) are both in a conical structure; the cone-shaped structure of the flow guide body (25) is used for guiding the liquid; the conical structure of the valve top head (24) is matched with the outlet end of the nozzle shell (1), when the piston (23) moves to the outlet end direction of the nozzle shell (1) to a certain position, the conical structure of the valve top head (24) seals the outlet end of the nozzle shell (1), and liquid cannot be sprayed out; when the piston (23) moves towards the direction far away from the outlet end of the nozzle shell (1), the conical structure of the valve top head (24) gradually opens the outlet end of the nozzle shell (1), and the flow rate of the liquid gradually increases; the outer circumferential surface of the piston (23) is provided with a guide groove along the axial direction, and the guide groove is matched with a guide bolt (3) fixed on the nozzle shell (1) and used for guiding the axial movement of the piston (23) and limiting the rotation; the reset spring (4) is installed between the piston (23) and the installation seat at the end part of the connecting hose (6), when the outlet end of the nozzle shell (1) is opened, the piston (23) moves towards the direction far away from the outlet end of the nozzle shell (1) under the action of the driving assembly, and when the outlet end of the nozzle shell (1) is closed, the reset spring (4) is utilized to push the piston (23) to move towards the direction of the outlet end of the nozzle shell (1) for resetting.
3. The flexible bend torch of claim 1 wherein said drive assembly comprises: the trigger comprises a trigger mounting seat (27), a trigger (13), a conversion block (14), a locking block (15), a flexible rope (18), a top column (20), a tension spring (21), a push block (22) and a compression spring (26);
the trigger mounting seat (27) is fixed outside the oil delivery pipe (12), one end of the trigger (13) is mounted on the trigger mounting seat (27) through a rotating shaft, and the other end of the trigger is used as a spanner for pulling the trigger to rotate clockwise around the rotating shaft on the trigger; the middle part of the conversion block (14) is arranged on a trigger mounting seat (27) through a rotating shaft, one end of the conversion block is opposite to the trigger (13), and when the trigger (13) is pulled anticlockwise, the conversion block (14) is pushed to rotate clockwise around the rotating shaft on the conversion block; the other end is connected with a flexible rope (18), and when the conversion block (14) rotates clockwise around a rotating shaft on the conversion block, the flexible rope (18) is pulled backwards;
a tension spring mounting shell is arranged outside the nozzle shell (1); one end of a tension spring (21) axially arranged along the nozzle shell (1) is fixed on the tension spring mounting shell through a bolt, the other end of the tension spring is connected with one end of a flexible rope (18) through a push block (22), and the other end of the flexible rope (18) is fixed on a conversion block (14) through a locking block (15);
a guide hole along the axial direction of the piston (23) is processed on the tension spring mounting shell, one end of the ejection column (20) is fixed outside the valve core assembly (2), and the other end of the ejection column penetrates through the guide hole and is pressed on the tension spring mounting shell through a compression spring (26) and a nut; the top column (20) is in contact with the push block (22), and the flexible rope (18) penetrates through the top column (20); when the trigger (13) is pulled to pull the flexible rope (18) to move towards the direction of the trigger (13), the push block (22) is used for pushing the ejection column (20) to move towards the direction of the trigger (13), and then pushing the valve core assembly (2) to move towards the direction of the outlet end far away from the nozzle shell (1).
4. A flexible corner lance as claimed in claim 3, wherein the flexible line (18) is a steel wire rope.
5. A flexible cornering torch according to claim 3, further comprising a guide wheel (16) and a pulley (19) respectively mounted at both ends of the flexible cord (18) such that the flexible cord (18) between the guide wheel (16) and the pulley (19) is parallel to an axis of the torch housing; the guide wheel (16) is positioned in the trigger mounting seat (27), and the pulley (19) is positioned in the tension spring mounting shell.
6. A flexible corner spray gun as claimed in claim 1, wherein said trip assembly comprises: the tenon clamping device comprises a tenon clamping body (8), a tenon clamping shaft (9) and a tenon clamping spring (10);
the middle part of the clamping tenon body (8) is arranged outside the rear hinge support body (11) through a clamping tenon shaft (9), the front end of the clamping tenon body (8) is bent downwards to form a vertical section, and the outer surface of the vertical section is matched with a regular polygonal blind hole processed outside the front hinge support body (5); a clamping tenon spring (10) is arranged between the rear end of the clamping tenon body (8) and the outer surface of the rear hinge support body (11), and the clamping tenon spring (10) is in a compressed state.
7. A flexible corner spray gun according to claim 1 further comprising a handle (17), the handle (17) being mounted externally of the front hinge support body (5).
CN201810689603.5A 2018-06-28 2018-06-28 Flexible spray gun that turns round Active CN108816551B (en)

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Application Number Priority Date Filing Date Title
CN201810689603.5A CN108816551B (en) 2018-06-28 2018-06-28 Flexible spray gun that turns round

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810689603.5A CN108816551B (en) 2018-06-28 2018-06-28 Flexible spray gun that turns round

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CN108816551A CN108816551A (en) 2018-11-16
CN108816551B true CN108816551B (en) 2020-07-10

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CN113661902B (en) * 2021-09-07 2022-12-23 张家港市得道电子有限公司 Multi-effect watering can atomizing system for horticulture

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