CN219325141U

CN219325141U - Control structure for sand flow and velocity

Info

Publication number: CN219325141U
Application number: CN202320928738.9U
Authority: CN
Inventors: 刘霖; 徐永
Original assignee: Zhengyang Technology Co ltd
Current assignee: Zhengyang Technology Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-07-11
Anticipated expiration: 2033-04-23

Abstract

The application discloses a control structure of sand flow and velocity, which comprises a sand trigger, wherein the sand trigger is rotationally arranged in a shell and controls a sand slide bar to longitudinally move, and the sand trigger is arranged in the shell through a first elastic part; the switch trigger is rotatably arranged on the sand trigger and is used for triggering the micro switch to start the motor; the adjusting and pulling button is connected with the shell through a second elastic part and is clamped with the sand trigger, and the sand trigger can rotate after unlocking; the sand blasting hose is arranged at the lower end of the sand sliding rod, the sand blasting hose is extruded through the sand sliding rod to change the cross section area of the sand blasting hose, the closing of the hose and the opening size of the hose are controlled to play a role in adjusting and connecting the sand discharge amount, the control structure is not contacted with sand, and is contacted with the hose for controlling the sand, so that the phenomenon that the sand in the original structure is stuck to a gap drill is avoided, the sand is guaranteed to be only sent to a mechanism and an occasion needing to work, and the phenomenon that the sand flows everywhere to be stuck to the mechanism is avoided.

Description

Control structure for sand flow and velocity

Technical Field

The application relates to the technical field of sand blasting devices, in particular to a sand flow and flow speed control structure.

Background

The flow-adjustable mobile sand blaster is an auxiliary device for blasting the surface of a casting blank, and is widely used in the field of mechanical equipment; the existing flow regulating structure is similar to the tap water valve on-off principle, a rotary valve ball is utilized, a through hole is formed in the valve ball, the flow speed and the closing function are controlled by controlling the size of the through hole, the structure is used in the sand occasion, sand particles are very small and easily drill into gaps, so that the structure is unsmooth in movement and finally is blocked.

Disclosure of Invention

To the not enough of prior art, this application provides a sand grain flow and velocity of flow's control structure, can effectively solve above problem.

The technical scheme adopted for solving the technical problems is as follows: the sand flow and flow speed control structure comprises a sand trigger which is rotatably arranged in a shell and controls a sand slide bar to longitudinally move, wherein the sand trigger is arranged in the shell through a first elastic part; the switch trigger is rotatably arranged on the sand trigger and is used for triggering the micro switch to start the motor; the adjusting and shifting button is connected with the shell through a second elastic part and is clamped with the sand trigger, and the sand trigger can rotate after being unlocked; the sand blasting hose is arranged at the lower end of the sand sliding rod, and the sand blasting hose is extruded through the sand sliding rod so that the cross section area of the sand blasting hose is changed.

In the above technical scheme, further, the micro-gap switch is fixed to be set up in the sand grain trigger, the sand grain trigger is provided with the through-hole, the switch trigger sets up trigger convex part and stretches into the through-hole with micro-gap switch's contact, the switch trigger with the sand grain trigger is provided with the third elastomeric element.

In the above technical scheme, further, the switch trigger is rotatably arranged on the rotating convex point of the sand trigger, and the sand trigger is provided with a limit convex part which slides in the sliding waist groove of the switch trigger.

In the above technical scheme, further, the sand trigger sets up first protruding muscle with the spacing of the protruding muscle joint of second of adjusting the dial knob, works as the adjusting dial knob slides and makes first protruding muscle with the protruding muscle of second breaks away from, the sand trigger can rotate along the center of rotation.

In the above technical scheme, further, the outside cover of sandblast hose is equipped with the hose casing, the hose casing radially is provided with the sliding tray, the sand slide bar slides and sets up in the sliding tray.

In the above technical scheme, further, the sand slide bar is provided with a sliding convex part which slides in the U-shaped groove of the sand trigger.

In the above technical scheme, further, the sand slide bar sets up spacing boss, spacing boss top sets up the adjustment disk, the adjustment disk passes through adjust knob rotation setting on the casing, the distance of each limit of adjustment disk to centre of a circle is different, makes the highest position of sand slide bar is spacing.

In the above technical scheme, further, the sand tank is connected to the sand blasting hose other end.

The beneficial effects of this application lie in: the sand control device has the advantages that the closing of the hose is controlled, the opening size of the hose is controlled, the sand discharge quantity is adjusted and connected, the control structure is not contacted with sand, and is contacted with the hose for controlling sand, so that the phenomenon that the sand of the original structure is stuck to a gap drill is avoided, the sand is guaranteed to be only sent to a mechanism and an occasion which need to work, and the phenomenon that the sand flows everywhere to be stuck to the mechanism is avoided.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of an elevation of the present application.

Fig. 2 is a schematic structural view of the inside of fig. 1 of the present application.

Fig. 3 is an enlarged partial schematic view of section A-A of fig. 2 of the present application.

Fig. 4 is a schematic structural view of the regulating disk of the present application.

In the figure, 1, sand trigger, 11, micro-switch, 12, through hole, 13, first elastic component, 14, rotation convex point, 15, limit convex part, 16, U-shaped groove, 17, first convex rib, 2, opening Guan Banji, 21, trigger convex part, 22, sliding waist groove, 3, adjusting knob, 31, second elastic component, 32, second convex rib, 4, sand blasting hose, 41, hose shell, 42, sliding groove, 5, sand sliding rod, 51, sliding convex part, 52, limit convex table, 53, adjusting disc, 54, adjusting knob, 6, sand tank.

Detailed Description

Referring to fig. 1-4, a sand flow and velocity control structure of the present embodiment includes a sand trigger 1 rotatably disposed in a housing and controlling a sand slide bar 5 to move longitudinally, the sand trigger 1 being disposed in the housing by a first elastic member 13; the switch trigger 2 is rotatably arranged on the sand trigger 1 and is used for triggering the micro switch 11 to start the motor; the adjusting and stirring button 3 is connected with the shell through a second elastic part 31, the adjusting and stirring button 3 is clamped with the sand trigger 1, and the sand trigger 1 can rotate after unlocking; the sand blasting hose 4 is arranged at the lower end of the sand sliding rod 5, the sand sliding rod 5 is used for extruding the sand blasting hose 4 to enable the cross section area of the sand blasting hose 4 to change, and the other end of the sand blasting hose 4 is connected with the sand tank 6.

In order to enable the switch trigger 2 to start the motor when being pressed, the micro switch 11 is fixedly arranged in the sand trigger 1, the sand trigger 1 is provided with a through hole 12, the switch trigger 2 is provided with a trigger convex part 21 which stretches into the through hole 12 to be contacted with a contact of the micro switch 11, the switch trigger 2 and the sand trigger 1 are provided with a third elastic part, the switch trigger 2 is rotatably arranged on a rotary convex point 14 of the sand trigger 1, and the sand trigger 1 is provided with a limit convex part 15 which slides in a sliding waist groove 22 of the switch trigger 2.

In order to enable the sand discharge amount to be adjusted, the sand grain trigger 1 is provided with a first convex rib 17 and a second convex rib 32 of the adjusting dial button 3 in a clamping limit mode, when the adjusting dial button 3 slides to enable the first convex rib 17 to be separated from the second convex rib 32, the sand grain trigger 1 can rotate along the rotation center, a hose shell 41 is sleeved outside the sand blasting hose 4, the hose shell 41 is radially provided with a sliding groove 42, the sand grain sliding rod 5 is slidably arranged in the sliding groove 42, the sand grain sliding rod 5 is provided with a sliding convex portion 51 to slide in a U-shaped groove 16 of the sand grain trigger 1, and the sand grain trigger 1 rotates to drive the sand grain sliding rod 5 to longitudinally move.

In order to control the maximum sand output, the sand slide rod 5 is provided with a limiting boss 52, an adjusting disc 53 is arranged above the limiting boss 52, the adjusting disc 53 is rotatably arranged on the shell through an adjusting knob 54, and distances from each side of the adjusting disc 53 to the circle center are different, so that the highest position of the sand slide rod 5 is limited.

According to the above design: the sand discharge amount adjusting and connecting device has the advantages that the closing of the hose and the opening size of the hose are controlled, the sand discharge amount adjusting and connecting function is achieved, the control structure is not contacted with sand grains, and is contacted with the hose for controlling the sand grains only, so that the phenomenon that sand grains of the original structure are stuck to a gap drill is avoided, the sand grains are guaranteed to be only sent to a mechanism and an occasion needing to work, and the phenomenon that the sand grains flow everywhere to be stuck to the mechanism is avoided.

The foregoing description is only a preferred embodiment of the present application and is not intended to limit the present application in any way, and simple modifications, equivalent changes or modifications can be made without departing from the technical solutions of the present application, all falling within the scope of the present application.

Claims

1. A control structure for sand flow and velocity is characterized in that,

the sand control device comprises a sand trigger, a sand slide rod and a sand control mechanism, wherein the sand trigger is rotatably arranged in a shell and controls the sand slide rod to longitudinally move, and the sand trigger is arranged in the shell through a first elastic part;

the switch trigger is rotatably arranged on the sand trigger and is used for triggering the micro switch to start the motor;

the adjusting and shifting button is connected with the shell through a second elastic part and is clamped with the sand trigger, and the sand trigger can rotate after being unlocked;

the sand blasting hose is arranged at the lower end of the sand sliding rod, and the sand blasting hose is extruded through the sand sliding rod so that the cross section area of the sand blasting hose is changed.

2. The structure according to claim 1, wherein the micro switch is fixedly disposed in the sand trigger, the sand trigger is provided with a through hole, the switch trigger is provided with a trigger protrusion extending into the through hole to contact with a contact of the micro switch, and the switch trigger and the sand trigger are provided with a third elastic member.

3. The structure according to claim 1, wherein the switch trigger is rotatably disposed on a rotation bump of the sand trigger, and the sand trigger is provided with a limit projection sliding in a sliding waist groove of the switch trigger.

4. The sand flow and velocity control structure according to claim 1, wherein the sand trigger is provided with a first rib and a second rib of the adjusting knob, the first rib and the second rib are separated when the adjusting knob slides, and the sand trigger can rotate along a rotation center.

5. The sand flow and velocity control structure according to claim 1, wherein a hose housing is provided outside the blasting hose, a sliding groove is provided radially on the hose housing, and the sand slide bar is slidably disposed in the sliding groove.

6. The sand flow and velocity control structure of claim 5 wherein the sand slide bar is provided with sliding protrusions that slide within the U-shaped slots of the sand trigger.

7. The control structure of the flow rate and the flow velocity of sand grains according to claim 1, wherein the sand slide bar is provided with a limiting boss, an adjusting disc is arranged above the limiting boss, the adjusting disc is rotatably arranged on the shell through an adjusting knob, and distances from each side of the adjusting disc to the center of a circle are different, so that the highest position of the sand slide bar is limited.

8. The sand flow and velocity control structure according to claim 1, wherein the other end of the blasting hose is connected to a sand tank.