Self-locking type high-altitude spraying device for aerosol can

Abstract

The utility model discloses a self-locking type high-altitude spraying device for an aerosol can, which is characterized in that a horizontally arranged switching channel is arranged on the peripheral surface of a pressing rod connector matched with a spraying pressing rod, self-locking limiting groove holes are arranged at two ends of the switching channel, one of the self-locking limiting groove holes is close to one side of a fixed cylinder, and the other of the self-locking limiting groove holes is close to the other side of the fixed cylinder. A self-locking piece installation hole is horizontally formed in the side portion of the spraying pressing rod, an elastic self-locking piece is installed in the self-locking piece installation hole, the groove depth of the self-locking limiting groove holes is larger than that of the switching groove channel, and the inner end of the elastic self-locking piece is locked and switched between the two self-locking limiting groove holes along the switching groove channel. Unlocking and locking between the self-locking limiting ball and the self-locking limiting groove hole are achieved through the limiting spring, the self-locking device has the advantages of being ingenious in design, simple in structure and the like, unlocking and locking can be achieved only through manual mechanical pulling, external power is not needed, operation is easy, power is simplified, cost is low, practicability is good, and the self-locking device is suitable for popularization and application. And the device is suitable for the outdoor use environment.

Description

Technical Field

[0001] The utility model relates to the field of paint spraying equipment, in particular to an aerosol can self-locking high-altitude spraying device. Background Art

[0002] At present, the insulation protection treatment methods for exposed parts of high-altitude power lines, equipment, etc. are mainly: painting method and spraying method, both of which require workers to climb onto the electric poles to operate. This kind of operation makes people too close to the live wires, and its safety is poor. To solve this problem, CN 117138999A in the prior art discloses a long-distance live paint spraying device, which includes an insulating rod, a paint spraying fixed cylinder is provided above the insulating rod, a telescopic device and a remote control device for controlling the lifting of the telescopic device are provided on the outside of the paint spraying fixed cylinder, a pressing rod is installed on the top of the telescopic device, and a pressing head is provided at one end of the pressing rod; the working principle is: place the aerosol can in the paint spraying fixed cylinder, so that the pressing head is aligned with the nozzle of the aerosol can, and then lift the device as a whole, and control the telescopic rod to retract through the remote control, so as to drive the pressing head to automatically press the nozzle of the aerosol can downward, so as to achieve Remote automatic spraying can reduce the risk of electric shock to operators; however, there are shortcomings in the design of the pressing rod and the pressing head in the prior art. First, in order to ensure that the aerosol can can be easily inserted into the paint fixing cylinder, the pressing head needs to avoid the side before the aerosol can is installed. After the aerosol can is placed, the pressing rod is rotated to align the pressing head with the spray head. This patent adopts a synchronous belt drive method for driving. Although it can achieve the purpose of controlling the rotation of the pressing rod, its control structure is complex and difficult to arrange, and it requires power drive, which is costly and heavy, and has poor practicality. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an aerosol can self-locking high-altitude spraying device which has a simple structure, low cost and convenient operation.

[0004] To solve the above technical problems, the technical solution of the present utility model is: an aerosol can self-locking high-altitude spraying device. The spraying device includes a rod body and a fixed cylinder installed outside the top end of the rod body. An expansion rod and a remote control component for automatically lifting the top end of the expansion rod are installed inside the rod body. The top end of the expansion rod extends outside the rod body and is connected with a pressure rod connecting head. A spraying pressure rod is rotatably installed on the pressure rod connecting head. The other end of the spraying pressure rod is provided with a pressing head. A horizontally arranged switching channel is provided on the outer peripheral surface of the pressure rod connecting head where it cooperates with the spraying pressure rod. Two self-locking limit slots are provided at both ends of the switching channel. The position of one of the self-locking limit slots is close to the side of the fixed cylinder. A self-locking part installation hole is horizontally installed on the side of the spraying pressure rod. An elastic self-locking part is installed in the self-locking part installation hole. The groove depth of the self-locking limit slot is greater than the groove depth of the switching channel. The inner end of the elastic self-locking part locks and switches between the two self-locking limit slots along the switching channel.

[0005] As a preferred technical solution, the pressure rod connecting head includes a connecting head fixed end fixed to the top end of the expansion rod. A pressure rod connecting column is provided on the upper part of the connecting head fixed end. One end of the spraying pressure rod is provided with a pressure rod installation hole. The pressure rod installation hole is sleeved outside the pressure rod connecting column. The bottom end of the spraying pressure rod abuts against the bottom end shoulder. The top end of the spraying pressure rod is axially limited by a limit snap ring.

[0006] As a preferred technical solution, the switching channel and the two self-locking limit slots are provided on the outer surface of the pressure rod connecting column.

[0007] As a preferred technical solution, the elastic self-locking part includes an inner clamping seat and an outer clamping seat. A limit spring is clamped between the inner clamping seat and the outer clamping seat. The outer clamping seat is threadedly installed in the self-locking part installation hole. The inner clamping seat is slidably sleeved in the self-locking part installation hole. A self-locking limit ball is also pressed on the inner side of the inner clamping seat. The self-locking limit slot is an arc-shaped slot corresponding to the self-locking limit ball for clamping and locking.

[0008] As a preferred technical solution, an adjusting nut extending outside the self-locking part installation hole is connected to the outer side of the outer clamping seat.

[0009] As a preferred technical solution, the two self-locking limit slots are arranged in a 90° horizontal dislocation.

[0010] Due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows: The present utility model utilizes a limiting spring to achieve unlocking and locking between a self-locking limiting ball and a self-locking limiting slot hole. This mechanical locking method has the advantages of ingenious design and simple structure. It only needs to be mechanically toggled manually to achieve unlocking and locking, without the need to rely on external power. Its operation is simple, the power is simplified, the cost is low, and it has good practicability, and can be applied to such outdoor use environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The following drawings are only intended to illustrate and explain the present utility model schematically, and do not limit the scope of the present utility model.

[0012] Figure 1 is a schematic structural diagram of the spraying device according to an embodiment of the present utility model;

[0013] Figure 2 is an exploded structural diagram of the spraying device according to an embodiment of the present utility model;

[0014] Figure 3 is a schematic structural diagram of the pressure rod connector according to an embodiment of the present utility model;

[0015] Figure 4 is a cross-sectional structural view of the present utility model in a self-locking state;

[0016] Figure 5 is a cross-sectional structural view of the present utility model in a self-locking state from another angle;

[0017] Figure 6 is Figure 5 an enlarged schematic view of part A in

[0018] In the figure: 100 - rod body; 200 - fixed cylinder; 300 - telescopic rod; 400 - remote control component; 500 - pressure rod connector; 501 - switching channel; 502 - self-locking limiting slot hole; 503 - fixed end of the connector; 504 - pressure rod connecting column; 600 - spraying pressure rod; 700 - elastic self-locking member; 701 - inner clamping seat; 702 - outer clamping seat; 703 - limiting spring; 704 - self-locking limiting ball; 705 - adjusting nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments. In the following detailed description, only some exemplary embodiments of the present utility model are described by way of illustration. Without a doubt, those of ordinary skill in the art can recognize that various different modifications can be made to the described embodiments without departing from the spirit and scope of the present utility model. Therefore, the drawings and description are illustrative in nature and are not used to limit the protection scope of the claims.

[0020] It should be noted that in the description of the present utility model, the terms indicating the direction or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0021] In addition, it should also be noted that in the description of the present utility model, unless otherwise clearly specified and defined, the terms "installation", "setting", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] In order to improve or solve the technical problem in the prior art that the distance between manual painting and live wires is too close, there is a risk of electric shock. The present utility model provides a spraying device that can be used at high altitudes. The specific structure is shown in Figure 1 and Figure 2 as shown. The spraying device includes a rod body 100 and a fixed cylinder 200 installed outside the top end of the rod body 100. An expansion rod 300 and a remote control component 400 for automatically lifting and lowering the top end of the expansion rod 300 are installed inside the rod body 100. The top end of the expansion rod 300 extends outside the rod body 100 and is connected with a pressure rod connecting head 500. One end of a spraying pressure rod 600 is rotatably installed on the pressure rod connecting head 500, and the other end of the spraying pressure rod 600 is provided with a pressing head. Here, in this embodiment, the matching structure between the spraying pressure rod 600 and the pressure rod connecting head 500 is designed to provide an aerosol can self-locking type high-altitude spraying device with a simple structure, convenient operation, and automatic locking and unlocking functions.

[0023] The rod body 100 is a columnar structure with a hollow interior, its top end is open and its bottom end is closed. The material can be a non-metallic material or a metallic material. When it is a metallic material, its outside is coated or wrapped with an insulating rubber layer.

[0024] The fixed cylinder 200 is installed at the top end (the open end) of the rod body 100 and is used to accommodate and fix the aerosol can. The fixed cylinder 200 is an insulating fixed cylinder 200, such as made of rubber. The fixed cylinder 200 includes a cylinder connecting part and a cylinder fixing part. The cylinder connecting part and the cylinder fixing part are integrally formed. The top end of the cylinder connecting part is closed and the bottom end is open, and it tightly sleeved and buckled outside the top end of the rod body 100 from top to bottom. The bottom end of the cylinder fixing part is closed and the top end is open, and its inner circumference is adapted to the outer circumference of the aerosol can. The outer circumference of the aerosol can is tightly installed inside the cylinder fixing part to realize the fixation of the aerosol can.

[0025] The telescopic rod 300 is installed inside the rod body 100, and the top end of the telescopic rod 300 extends out of the rod body 100 and the fixed cylinder 200, and can drive the spraying pressure rod 600 to lift and press the nozzle of the aerosol can inside the fixed cylinder 200 in a telescopic manner. The telescopic rod 300 adopts a two-stage electric push rod in the prior art. The fixed end (bottom end) of the telescopic rod 300 is connected to the inside of the rod body 100 through a pin shaft. The surface of the fixed cylinder 200 is provided with an auxiliary through hole adapted to the outer circumference of the upper part of the telescopic rod 300. The upper part of the telescopic rod 300 correspondingly passes through the auxiliary through hole and extends out of the fixed cylinder 200. The auxiliary through hole is adapted to the surface shape of the upper part of the telescopic rod 300, and can position the telescopic rod 300 to ensure that the telescopic end of the telescopic rod 300 extends and retracts straight up and down.

[0026] The pressure rod connector 500 is fixed to the top end (telescopic end) of the telescopic rod 300 and is used to install the spraying pressure rod 600. The spraying pressure rod 600 is rotatably installed on the pressure rod connector 500. The telescopic rod 300 and the pressure rod connector 500 are fixedly connected through a threaded structure, that is, the top end (telescopic end) of the telescopic rod 300 is provided with a threaded hole, and the pressure rod connector 500 includes a threaded column corresponding to the threaded hole, and the two are threadedly connected to achieve fixation.

[0027] The remote control assembly 400 is installed inside the rod body 100 and includes a controller for controlling the telescopic movement of the telescopic rod 300, a signal receiver connected to the controller, and a remote controller signal-connected to the signal receiver. Workers can control the lifting of the telescopic rod 300 through the remote controller at a place far away from the live line, and then drive the spraying pressure rod 600 to lift, press the nozzle of the aerosol can, and realize aerosol can spraying, thereby reducing the risk of electric shock and enhancing the safety of spraying operations. Further, the controller and the signal receiver communicate through a cable, and the signal receiver and the remote controller communicate through WiFi / 4G / 5G. Further, a power supply connected to the controller and the signal receiver is also arranged inside the housing. The power supply is connected to the controller and the signal receiver through a cable, and the power supply can provide power for the controller and the signal receiver, so that the device does not need to be connected to an external power supply and is more convenient to use.

[0028] An adapter is externally threaded and connected to the bottom end of the rod body 100, and an auxiliary long rod can be connected to the bottom end of the rod body 100 for working at high places or far away.

[0029] See Figures 3 to 6, the structure of the aerosol can self-locking high-altitude spraying device includes a switching channel 501 provided on the outer peripheral surface of the pressure rod connector 500 (the outer peripheral surface that cooperates with the spraying pressure rod 600). The switching channel 501 is horizontally arranged, and both ends of the switching channel 501 are provided with self-locking limit slots 502. A self-locking member mounting hole is horizontally installed on the side of the spraying pressure rod 600, and an elastic self-locking member 700 is installed in the self-locking member mounting hole. The groove depth of the self-locking limit slot 502 is greater than the groove depth of the switching channel 501. The inner end of the elastic self-locking member 700 performs locking switching between the two self-locking limit slots 502 along the switching channel 501. The two self-locking limit slots 502 are the two extreme points for the rotation of the spraying pressure rod 600, and at this extreme point position, the spraying pressure rod 600 can be limited. The position of one of the self-locking limit slots 502 is close to the side of the fixed cylinder 200, ensuring that when the elastic self-locking member 700 enters this self-locking limit slot 502, the pressing head of the spraying pressure rod 600 is just located above the fixed cylinder 200, and the nozzle of the aerosol can can be pressed. The two self-locking limit slots 502 are arranged in a 90° horizontal offset, ensuring that when the elastic self-locking member 700 enters the other self-locking limit slot 502, the pressing head of the spraying pressure rod 600 is just offset 90° from above the fixed cylinder 200 for avoidance.

[0030] The pressure rod connector 500 includes a connector fixed end 503 fixed to the top end of the telescopic rod 300. The upper part of the connector fixed end 503 is provided with a pressure rod connecting column 504. The switching channel 501 and the two self-locking limit slots 502 are arranged on the outer surface of the pressure rod connecting column 504. One end of the spraying pressure rod 600 is provided with a pressure rod mounting hole, and the pressure rod mounting hole is sleeved outside the pressure rod connecting column 504. The bottom end of the spraying pressure rod 600 abuts against the bottom shoulder, and the top end of the spraying pressure rod 600 is axially limited by a limit circlip. Further, the connector fixed end 503 includes a threaded column and a fixing nut. The threaded column is located at the bottom end of the fixing nut and is used for threaded connection with the top end of the telescopic rod 300. The pressure rod connecting column 504 is located at the top end of the fixing nut. The upper surface and the lower surface of the spraying pressure rod 600 are flat surfaces. The lower surface abuts against the fixing nut, and the upper surface is limited and installed by a limit circlip. The surface of the spraying pressure rod 600 that cooperates with the nozzle of the aerosol can is an arc surface, which is convenient for cooperating with the arc-shaped finger surface on the nozzle of the aerosol can. Further, the spraying pressure rod 600 is a non-metallic insulating rod to further reduce the risk of electric shock.

[0031] The elastic self-locking member 700 includes an inner clamp seat 701 and an outer clamp seat 702, and a limit spring 703 is clamped between the inner clamp seat 701 and the outer clamp seat 702. The outer side of the self-locking member mounting hole is a threaded hole and the inner side is a through hole. The outer clamp seat 702 is threadedly mounted on the outer side of the self-locking member mounting hole. The inner clamp seat 701 is slidably mounted on the inner side of the self-locking member mounting hole. A self-locking limit ball 704 is also pressed on the inner side of the inner clamp seat 701. The self-locking limit slot hole 502 is an arc-shaped slot hole that is correspondingly engaged and locked with the self-locking limit ball 704. The outer side of the outer clamp seat 702 is connected to an adjusting nut 705 extending out of the self-locking member mounting hole. The adjusting nut 705 drives the outer clamp seat 702 to rotate to adjust the clamping force of the limit spring 703, and can be adjusted to a state that better satisfies both unlocking and self-locking. When the self-locking limit ball 704 is in the self-locking limit slot 502, the limit spring 703 compresses the self-locking limit ball 704 to ensure that when the aerosol can nozzle is pressed, the spray pressure rod 600 does not rotate at will, which better meets the spraying use requirements.

[0032] An arc-shaped guide groove is also provided at the connection between the switching groove 501 and the self-locking limit groove hole 502 to facilitate unlocking.

[0033] The working principle of this embodiment is:

[0034] Before use, if the pressing head of the spray pressure rod 600 is misaligned with the top of the fixed cylinder 200, the aerosol can can be directly placed in the fixed cylinder 200. However, if the pressing head of the spray pressure rod 600 is just above the fixed cylinder 200, affecting the installation of the aerosol can, then an avoidance operation is required. The specific operation is: the operator uses force to horizontally pull the spray pressure rod 600, at this time the pressure rod connecting column 504 squeezes the self-locking limit ball 704 outward, overcomes the elastic force of the limit spring 703, and makes the self-locking limit ball 704 squeezed out of the self-locking limit slot 502, and then slides along the switching slot 501, and moves to the other self-locking limit slot 502. After that, the self-locking limit ball 704 is 04 Under the elastic force of the limit spring 703, it is squeezed and locked in the self-locking limit slot 502. At this time, the pressing head of the spray pressure rod 600 is misaligned with the top of the fixed tube 200, and then the aerosol can is placed in the fixed tube 200; then the spray pressure rod 600 is pulled in the opposite direction with force, so that the self-locking limit ball 704 is unlocked and locked into another self-locking limit slot 502; then the device is connected to the long rod through a coupling, and the staff holds the long rod, lifts the device to a high place or far away, and points the nozzle of the aerosol can toward the place where paint needs to be sprayed; then use the remote control to control the extension and retraction of the telescopic rod 300, so that the spray pressure rod 600 presses the nozzle of the aerosol can to spray paint. After the painting is finished, pull the spray pressure rod 600 again to make the spray pressure rod 600 move away from the aerosol can to avoid it, and then take out the aerosol can from the fixed tube 200.

[0035] The utility model realizes unlocking and locking between the self-locking limit ball 704 and the self-locking limit slot hole 502 by using the limit spring 703. This mechanical locking method has the advantages of ingenious design and simple structure. It only needs to be mechanically toggled by hand to achieve unlocking and locking, without the need to rely on external power. It has simple operation, simplified power, low cost, and good practicability, and can be applied to such outdoor use environments.

[0036] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection claimed by the utility model is defined by the appended claims and their equivalents.

Claims

1. An aerosol can self-locking high-altitude spraying device, the spraying device comprises a rod body and a fixed cylinder installed outside the top end of the rod body, a telescopic rod and a remote control component for controlling the automatic lifting of the top end of the telescopic rod are installed in the rod body, the top end of the telescopic rod extends out of the rod body and is connected to a pressure rod connector, a spraying pressure rod is rotatably installed on the pressure rod connector, and a pressing head is provided at the other end of the spraying pressure rod, characterized in that: A horizontally arranged switching groove is provided on the outer circumferential surface of the pressure rod connecting head that cooperates with the spray pressure rod, and self-locking limit slot holes are provided at both ends of the switching groove, and one of the self-locking limit slot holes is located close to one side of the fixed cylinder, and a self-locking component mounting hole is horizontally installed on the side of the spray pressure rod, and an elastic self-locking component is installed in the self-locking component mounting hole, and the groove depth of the self-locking limit slot hole is greater than the groove depth of the switching groove, and the inner end of the elastic self-locking component is locked and switched between the two self-locking limit slot holes along the switching groove.

2. The self-locking high-altitude spraying device of an aerosol can as claimed in claim 1, characterized in that: The pressure rod connecting head includes a connecting head fixed end fixed to the top end of the telescopic rod, a pressure rod connecting column is provided on the upper part of the connecting head fixed end, a pressure rod mounting hole is provided at one end of the spraying pressure rod, the pressure rod mounting hole is sleeved outside the pressure rod connecting column, the bottom end of the spraying pressure rod rests on the bottom end shoulder, and the top end of the spraying pressure rod is axially limited by a limiting retaining spring.

3. The self-locking high-altitude spraying device of an aerosol can as claimed in claim 2, characterized in that: The switching channel and the two self-locking limiting slots are arranged on the outer surface of the pressure rod connecting column.

4. The self-locking high-altitude spraying device of an aerosol can as claimed in claim 2, characterized in that: The elastic self-locking part includes an inner clamp seat and an outer clamp seat, a limit spring is clamped between the inner clamp seat and the outer clamp seat, the outer clamp seat is threadedly installed in the self-locking part mounting hole, the inner clamp seat is slidably sleeved in the self-locking part mounting hole, and a self-locking limit ball is also pressed on the inner side of the inner clamp seat, and the self-locking limit slot hole is an arc-shaped slot hole that is correspondingly engaged and locked with the self-locking limit ball.

5. The self-locking high-altitude spraying device of an aerosol can as claimed in claim 4, characterized in that: The outer side of the outer clamping seat is connected with an adjusting nut extending out of the self-locking member mounting hole.

6. The self-locking high-altitude spraying device of an aerosol can as claimed in claim 1, characterized in that: The two self-locking limit slots are arranged in a 90° staggered arrangement in the horizontal direction.

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