CN221020582U - Spray gun for screw sand blasting - Google Patents

Abstract

The utility model discloses a spray gun for screw sand blasting, which relates to the technical field of screw sand blasting and comprises a hollow pipe, wherein the surface of the hollow pipe is communicated with a sand inlet pipe, one end of the hollow pipe far away from the sand inlet pipe is provided with an aluminum seat, one end of the aluminum seat far away from the hollow pipe is fixedly connected with a nozzle pipe, the surface of the nozzle pipe is fixedly connected with an auxiliary rod, one end of the hollow pipe far away from the aluminum seat is communicated with an air inlet pipe, the surface of the hollow pipe is fixedly connected with a handle, the inner wall of the hollow pipe is rotationally connected with a spanner, the surface of the hollow pipe is provided with a sand outlet device, the sand outlet device comprises a sliding rod, the sliding rod is slidingly connected with the surface of the hollow pipe, and one end of the sliding rod far away from the hollow pipe is fixedly connected with a blocking block. The spray gun for screw sand blasting solves the problem that after a spanner is loosened, the residual sand in the hollow tube can influence the sealing ball to rotate so as to seal the hollow tube, thereby influencing the normal use of the spray gun.

Description

Spray gun for screw sand blasting

Technical Field

The utility model relates to the technical field of screw sand blasting, in particular to a spray gun for screw sand blasting.

Background

The sand blasting gun is a pneumatic spray gun, and the principle is that air is compressed and the compressed air is used as power to form a high-speed spray beam, so that the spray materials such as iron sand, copper ore sand and the like are sprayed on the surface of a workpiece to be treated at a high speed, and the surface of the workpiece is treated.

The prior art is such as the utility model of publication number CN210210044U, and this patent discloses a special rifle of handheld sandblast, including the nozzle pipe, the welding of outer wall below of nozzle pipe has vertical pole, the bottom fixedly connected with screwed ring of nozzle pipe, screwed ring's bottom is provided with spray gun aluminium seat, O type circle is installed to spray gun aluminium seat's inner wall, screwed ring threaded connection is in spray gun aluminium seat inner chamber. According to the utility model, the movable rod is driven to move forwards by pulling the plate handle backwards, the arc-shaped rotation of the supporting rod is realized, the arc-shaped groove is formed in the outer wall of the hollow mixing cylinder, the rotation of the supporting rod is facilitated, the sealing ball connected with the bottom is driven to overturn, the sealing ball is opened up and down, after overturning, the upper hole and the lower hole form left and right opposite holes, the gas is conveniently discharged, when the plate handle is subjected to different extrusion forces backwards, the overturning displacement of the sealing ball is different, the diameters of the upper opening and the lower opening of the sealing ball are different, and the gas flow rate can be controlled.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the spray gun for screw sand blasting is used for processing the surface of a workpiece, the sealing ball rotates after the spanner is buckled, so that sand grains can pass through the through hole of the sealing ball, and after the spanner is loosened, the residual sand grains in the hollow pipe can influence the sealing ball to rotate to seal the hollow pipe, so that the normal use of the spray gun is influenced.

To this end we propose a spray gun for screw blasting.

Disclosure of utility model

The utility model aims to provide a spray gun for screw sand blasting, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spray gun for screw rod sandblast, includes the hollow tube, the surface intercommunication of hollow tube has into the sand pipe, the aluminum seat is installed to the one end that the sand pipe was kept away from to the hollow tube, the one end fixedly connected with nozzle pipe that the hollow tube was kept away from to the aluminum seat, the surface fixedly connected with auxiliary rod of nozzle pipe, the one end intercommunication that the aluminum seat was kept away from to the hollow tube has the intake pipe, the surface fixedly connected with handle of hollow tube, the inner wall rotation of hollow tube is connected with the spanner, the surface of hollow tube is equipped with out sand device, it includes the slide bar to go out sand device, slide bar sliding connection is on the surface of hollow tube, and the one end fixedly connected with sprue is kept away from to the slide bar, the one side that the sprue is close to the hollow tube is glued and is had the rubber strip, the play sand hole has been seted up on the surface of hollow tube, one side fixedly connected with revolving plate that the intake pipe was kept away from to the sprue.

The components achieve the following effects: the sand hole can be prevented from being remained in the hollow pipe as much as possible through the sand outlet, so that the rotation of the spanner is influenced, the sand outlet can be sealed when a spray gun is not used through the blocking block and the rubber strip, and the blocking block can be moved through the rotating plate.

Preferably, a connecting rod is fixedly connected to one side of the spanner close to the rotating plate, and a rectangular rod is fixedly connected to the other end of the connecting rod.

The components achieve the following effects: the connecting rod can be driven to rotate by pulling the spanner, and the rectangular rod can be driven to rotate by rotating the connecting rod.

Preferably, the inner wall of the rectangular rod is rotationally connected with a fixed rod, one end of the fixed rod, which is far away from the rectangular rod, is fixedly connected with a hollow pipe, and one end of the rectangular rod, which is far away from the connecting rod, is fixedly connected with a sliding rod.

The components achieve the following effects: the position of the rectangular rod can be limited through the fixing rod, meanwhile, the fixing rod is rotationally connected to the inner wall of the rectangular rod, the rotation of the rectangular rod cannot be influenced, and the rotation of the rectangular rod can drive the sliding rod to rotate.

Preferably, the surface of the sliding rod is sleeved with a sleeve plate, one side of the sleeve plate, which is far away from the hollow pipe, is rotationally connected with the rotating plate, one side of the sleeve plate, which is far away from the rotating plate, is fixedly connected with a sliding block, the surface of the sliding block is sleeved with a mounting block, and the mounting block is fixedly connected with the hollow pipe.

The components achieve the following effects: the sleeve plate sleeved on the surface of the sliding rod can slide on the surface of the sliding rod, and the rotation of the sliding rod can drive the sleeve plate to rotate, so that the sleeve plate rotates on the surface of the rotating plate, and the rotating plate can be driven to move by the rotation of the sleeve plate.

Preferably, the inner wall sliding connection of slider has the gag lever post, the surface cover of gag lever post has first spring, the both ends of first spring are respectively with slider and installation piece fixed connection.

The components achieve the following effects: the position of the first spring can be limited by the limiting rod, and the sliding block can be assisted to move through the first spring.

Preferably, the surface of cavity pipe is equipped with collection device, collection device includes the collection box, collection box sliding connection is at the surface of cavity pipe, the lower surface fixedly connected with draw runner of collection box, the surface cover of draw runner has the rectangle piece, rectangle piece and cavity pipe fixed connection.

The components achieve the following effects: can collect the sand grain through collecting the box, the draw runner can slide at the inner wall of rectangular block to the installation and the dismantlement of collecting the box have been guaranteed.

Preferably, the inner wall of collecting box installs solid sand board, a plurality of taper hole has been seted up to solid sand board's surface, one side fixedly connected with fixed plate that the rectangular piece is close to the intake pipe, the inner wall sliding connection of fixed plate has the pin.

The components achieve the following effects: the taper holes on the sand fixing plate can ensure that sand grains collected in the collection box can not flow out of the collection box as far as possible, and the stop lever can be connected to the rectangular block through the fixing plate.

Preferably, one end of the stop lever, which is far away from the sliding strip, is fixedly connected with a pulling plate, a second spring is sleeved on the surface of the stop lever, and two ends of the second spring are respectively and fixedly connected with the fixing plate and the pulling plate.

The components achieve the following effects: the movement of the stop lever can be controlled through the pull plate, and the second spring ensures that the stop lever cannot be separated from the fixed plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the sand outlet device is arranged, and the sealing of the sand outlet hole on the hollow pipe can be released after the spanner of the spray gun is pressed, so that the residual sand amount in the hollow pipe is reduced as much as possible when the spanner of the spray gun is released, and the influence of the sand in the hollow pipe on the normal use of the spray gun is avoided as much as possible.

2. According to the utility model, the collection device is arranged, so that sand flowing out of the sand outlet hole on the hollow pipe can be collected, the flowing sand is prevented from being scattered on the ground, the difficulty in sand collection is reduced, and the workload for collecting sand is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is a schematic view of the partial structure of FIG. 1 according to the present utility model;

FIG. 4 is a schematic view of the structure of the stop lever of the present utility model;

Fig. 5 is a schematic view of the partial structure of fig. 2 according to the present utility model.

In the figure: 1-a hollow tube; 2-grip; 3-pulling the handle; 4-aluminum seats; 5-nozzle tube; 6-a sand inlet pipe; 7, an air inlet pipe; 8-a sand discharging device; 801-a tie rod; 802-rectangular bar; 803—a fixed rod; 804-a slide bar; 805-sheathing; 806-rotating plate; 807-blocking; 808-rubber strips; 809—mounting blocks; 810-a limit rod; 811-a slider; 812—a first spring; 9-a collection device; 91-a collection box; 92-sand fixing plate; 93-rectangular blocks; 94-slide bar; 95-fixing plates; 96-stop lever; 97-pulling plate; 98-a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: a spray gun for screw rod sandblast, including hollow tube 1, the surface intercommunication of hollow tube 1 has into sand pipe 6, and aluminum seat 4 is installed to the one end that hollow tube 1 kept away from into sand pipe 6, and aluminum seat 4 is kept away from the one end fixedly connected with nozzle pipe 5 of hollow tube 1, and the surface fixedly connected with auxiliary rod of nozzle pipe 5, the one end intercommunication that hollow tube 1 kept away from aluminum seat 4 have intake pipe 7, and the surface fixedly connected with handle 2 of hollow tube 1, the inner wall rotation of hollow tube 1 is connected with spanner 3, and the surface of hollow tube 1 is equipped with out sand device 8, and the surface of hollow tube 1 is equipped with collection device 9.

The specific arrangement and function of the sand discharge device 8 and the collecting device 9 will be described in detail.

As shown in fig. 1-4, the sand outlet device 8 comprises a sliding rod, the sliding rod is slidably connected to the surface of the hollow pipe 1, one end of the sliding rod, which is far away from the hollow pipe 1, is fixedly connected with a block 807, one side, which is close to the hollow pipe 1, of the block 807 is glued with a rubber strip 808, a sand outlet hole is formed in the surface of the hollow pipe 1, and one side, which is far away from the air inlet pipe 7, of the block 807 is fixedly connected with a rotating plate 806. Sand particles remain in the hollow tube 1 through the sand outlet holes as much as possible, so that the rotation of the spanner 3 is affected, the sand outlet holes can be closed when the spray gun is not used through the blocking blocks 807 and the rubber strips 808, and the positions of the blocking blocks 807 can be moved through the rotating plates 806. The spanner 3 is fixedly connected with a connecting rod 801 at one side close to the rotating plate 806, and a rectangular rod 802 is fixedly connected with the other end of the connecting rod 801. The handle 3 is pulled to drive the connecting rod 801 to rotate, and the rectangular rod 802 is driven to rotate by the rotation of the connecting rod 801.

The inner wall of the rectangular rod 802 is rotatably connected with a fixing rod 803, one end of the fixing rod 803 away from the rectangular rod 802 is fixedly connected with the hollow tube 1, and one end of the rectangular rod 802 away from the connecting rod 801 is fixedly connected with a sliding rod 804. The position of the rectangular rod 802 can be limited through the fixing rod 803, meanwhile, the rotation of the rectangular rod 802 cannot be influenced by the fact that the fixing rod 803 is rotationally connected to the inner wall of the rectangular rod 802, and the rotation of the rectangular rod 802 can drive the sliding rod 804 to rotate. The surface of the slide bar 804 is sleeved with a sleeve plate 805, one side of the sleeve plate 805 away from the hollow tube 1 is rotationally connected with a rotating plate 806, one side of the sleeve plate 805 away from the rotating plate 806 is fixedly connected with a sliding block 811, the surface of the sliding block 811 is sleeved with a mounting block 809, and the mounting block 809 is fixedly connected with the hollow tube 1. The sleeve plate 805 sleeved on the surface of the slide rod 804 can slide on the surface of the slide rod 804, and the rotation of the slide rod 804 drives the sleeve plate 805 to rotate, so that the sleeve plate 805 rotates on the surface of the rotating plate 806, and the rotation of the sleeve plate 805 can drive the rotating plate 806 to move. The inner wall sliding connection of slider 811 has gag lever post 810, and the surface of gag lever post 810 overlaps has first spring 812, and the both ends of first spring 812 are fixed connection with slider 811 and installation piece 809 respectively. The position of the first spring 812 may be restricted by the stopper 810, and the slider 811 may be assisted to move by the first spring 812.

As shown in fig. 2 and 5, the collecting device 9 includes a collecting box 91, the collecting box 91 is slidably connected to the surface of the hollow tube 1, a sliding strip 94 is fixedly connected to the lower surface of the collecting box 91, a rectangular block 93 is sleeved on the surface of the sliding strip 94, and the rectangular block 93 is fixedly connected to the hollow tube 1. The sand can be collected by the collection box 91, and the slide bar 94 can slide on the inner wall of the rectangular block 93, thereby ensuring the installation and the removal of the collection box 91. The sand fixing plate 92 is installed on the inner wall of the collecting box 91, a plurality of taper holes are formed in the surface of the sand fixing plate 92, a fixing plate 95 is fixedly connected to one side, close to the air inlet pipe 7, of the rectangular block 93, and a stop rod 96 is slidably connected to the inner wall of the fixing plate 95. The tapered holes on the sand fixing plate 92 can ensure that sand particles collected in the collection box 91 cannot flow out of the collection box 91 as much as possible, and the stop lever 96 can be connected to the rectangular block 93 through the fixing plate 95.

One end of the stop lever 96 far away from the slide bar 94 is fixedly connected with a pull plate 97, the surface of the stop lever 96 is sleeved with a second spring 98, and two ends of the second spring 98 are fixedly connected with the fixed plate 95 and the pull plate 97 respectively. The movement of the bar 96 is controlled by the pull plate 97 and the second spring 98 ensures that the bar 96 does not disengage from the fixed plate 95.

Working principle: when the spray gun for sand blasting is used, firstly, the sand inlet pipe 6, the sand inlet device, the air inlet pipe 7 and the air inlet device are connected, then the auxiliary rod on the grip 2 and the nozzle pipe 5 is grasped, the nozzle pipe 5 is aligned with a workpiece to be processed, the spray gun is started by pushing the spanner 3, sand grains are sprayed to the surface of the workpiece to be processed through the nozzle pipe 5, the workpiece is processed, and the nozzle pipe 5 can be connected to the hollow pipe 1 through the aluminum seat 4. When the spray gun is used, the spanner 3 is buckled to drive the rectangular rod 802 to rotate on the surface of the fixed rod 803 by the connecting rod 801, the rectangular rod 802 is rotated to drive the sliding rod 804 to rotate, the sleeve 805 slides on the surface of the sliding rod 804 and rotates on the surface of the sliding block 811, the sleeve 805 pushes the sliding block 811 to slide on the surface of the limiting rod 810, the sleeve 805 rotates on the surface of the rotating plate 806, the movement of the sleeve 805 drives the blocking block 807 and the rubber strip 808 to move away from the sand outlet pipe on the hollow pipe 1, sand can flow out of the sand outlet through the sand outlet, after the spanner 3 is loosened, the sleeve 805 is rotated by the rotation of the spanner 3, the blocking 807 and the rubber strip 808 are close to the sand outlet, the sand outlet is closed, the sliding block 811 can be connected to the hollow pipe 1 by the mounting block 809, after the spanner 3 is loosened through the first spring 812, the spanner 3 can return to the original position as far as possible, the blocking 807 is connected with the hollow pipe 1 through the sliding rod, so that the blocking 807 can be prevented from rotating under the condition that the movement of the blocking 807 is not affected, the air inlet pipe 7 is led into the hollow pipe 1, the position of the air inlet pipe 7 is closer to the aluminum seat 4 than the sand outlet hole, high-speed injection of sand grains is guaranteed, the sand outlet device 8 is arranged, the sealing of the sand outlet hole on the hollow pipe 1 can be relieved after the spanner 3 of the spray gun is pressed, and the residual sand grain amount in the hollow pipe 1 is reduced as far as possible when the spanner 3 of the spray gun is loosened, so that the sand grains in the hollow pipe 1 are prevented from affecting the normal use of the spray gun as far as possible.

After collecting more sand grains in the collecting box 91, the pulling plate 97 is pulled to drive the stop lever 96 to slide on the inner wall of the fixing plate 95, so that the stop lever 96 moves away from the slide bar 94, the limit on the position of the slide bar 94 is relieved, then the collecting box 91 is moved, the slide bar 94 is far away from the rectangular block 93, the pulling plate 97 is loosened, under the action of the elastic force of the second spring 98, the pulling plate 97 moves close to the fixing plate 95, sand grains in the collecting box 91 are taken out, a plurality of taper holes are formed in the surface of the sand fixing plate 92 in the collecting box 91, the collected sand grains can be prevented from being separated from the collecting box 91 through the sand fixing plate 92 as much as possible while the work for collecting the sand grains is not influenced, the collecting device 9 is arranged, the sand grains flowing out of the sand outlet holes in the hollow pipe 1 are prevented from being scattered on the ground, the difficulty of sand grain collection is reduced, and the work load of the collected sand grains is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Spray gun for screw blasting, comprising a hollow tube (1), characterized in that: the utility model discloses a sand pipe, including hollow tube (1), aluminum seat (4) are installed to the surface intercommunication of hollow tube (1), aluminum seat (4) are kept away from the one end of advancing sand tube (6), one end fixedly connected with nozzle tube (5) of hollow tube (1) are kept away from to aluminum seat (4), the surface fixedly connected with auxiliary rod of nozzle tube (5), the one end intercommunication that aluminum seat (4) was kept away from to hollow tube (1) has intake pipe (7), the surface fixedly connected with handle (2) of hollow tube (1), the inner wall rotation of hollow tube (1) is connected with spanner (3), the surface of hollow tube (1) is equipped with out sand device (8), out sand device (8) include the slide bar, and slide bar sliding connection is in the surface of hollow tube (1), and one end fixedly connected with shutoff piece (807) of hollow tube (1) are kept away from to the slide bar, one side that shutoff piece (807) is close to hollow tube (1) glues has rubber strip (808), the surface of hollow tube (1) has been seted up out sand hole, one side that shutoff piece (807) is kept away from intake pipe (7) is connected with shutoff plate (806).

2. A spray gun for screw blasting according to claim 1, wherein: one side of the spanner (3) close to the rotating plate (806) is fixedly connected with a connecting rod (801), and the other end of the connecting rod (801) is fixedly connected with a rectangular rod (802).

3. A spray gun for screw blasting according to claim 2, wherein: the inner wall rotation of rectangle pole (802) is connected with dead lever (803), the one end that rectangle pole (802) were kept away from to dead lever (803) is connected with hollow tube (1) fixed connection, the one end that connecting rod (801) were kept away from to rectangle pole (802) is connected with slide bar (804) fixed.

4. A spray gun for screw blasting according to claim 3, wherein: the surface cover of slide bar (804) has cover board (805), one side that hollow tube (1) was kept away from to cover board (805) is rotated with rotating plate (806) and is connected, one side that rotating plate (806) was kept away from to cover board (805) fixedly connected with slider (811), the surface cover of slider (811) has installation piece (809), installation piece (809) and hollow tube (1) fixed connection.

5. A spray gun for screw blasting according to claim 4, wherein: the inner wall sliding connection of slider (811) has gag lever post (810), the surface cover of gag lever post (810) has first spring (812), the both ends of first spring (812) are respectively with slider (811) and installation piece (809) fixed connection.

6. A spray gun for screw blasting according to claim 1, wherein: the surface of cavity pipe (1) is equipped with collection device (9), collection device (9) are including collecting box (91), collection box (91) sliding connection is at the surface of cavity pipe (1), the lower surface fixedly connected with draw runner (94) of collection box (91), the surface cover of draw runner (94) has rectangle piece (93), rectangle piece (93) and cavity pipe (1) fixed connection.

7. A spray gun for screw blasting according to claim 6, wherein: the inner wall of collection box (91) is installed and is fixed sand board (92), a plurality of taper hole has been seted up on the surface of fixing sand board (92), one side fixedly connected with fixed plate (95) that rectangular piece (93) is close to intake pipe (7), the inner wall sliding connection of fixed plate (95) has pin (96).

8. A spray gun for screw blasting according to claim 7, wherein: one end of the stop lever (96) away from the slide bar (94) is fixedly connected with a pulling plate (97), a second spring (98) is sleeved on the surface of the stop lever (96), and two ends of the second spring (98) are fixedly connected with the fixing plate (95) and the pulling plate (97) respectively.