CN218424563U

CN218424563U - High-pressure blowing and sucking dual-purpose gun

Info

Publication number: CN218424563U
Application number: CN202222911572.8U
Authority: CN
Inventors: 庄世良
Original assignee: Ningbo Xinxing Pneumatic Goods Co ltd
Current assignee: Ningbo Xinxing Pneumatic Goods Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-03
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a high-pressure blowing and sucking dual-purpose gun, which comprises a gun body with a reversing valve cavity formed by expanding the diameter in a gun barrel, wherein an air inlet duct is processed in a gun handle of the gun body, a trigger is hinged at the root part of the gun handle, a reversing rod cavity and a switching pin cavity are processed in the gun handle in an up-and-down arrangement manner, and a front air hole and a rear air hole which are communicated with the reversing valve cavity and a connecting air hole which is communicated with the switching pin cavity are arranged in the reversing rod cavity; the opening and closing pin cavity is communicated with the air inlet duct, and an opening and closing pin assembly is arranged in the opening and closing pin cavity; the trigger is matched with the opening and closing pin assembly in an elastic abutting mode; a reversing rod assembly is arranged in the reversing rod cavity; the reversing valve is spirally pressed in the reversing valve cavity through a locking ring, and a blowing pore passage and a dust collection pore passage are formed in the reversing valve. The utility model discloses novel structure, pressure-vaccum conversion are convenient to be provided with the couple hole on the rifle body, be convenient for lay, be equipped with handle rubber sleeve, it is good to hold the travelling comfort.

Description

High-pressure blowing and sucking dual-purpose gun

Technical Field

The utility model relates to a high pressure dust removal apparatus, in particular to a high pressure blowing and sucking dual-purpose gun with dual functions of dust blowing and dust sucking.

Background

In the prior art, products such as circuit boards are generally cleaned by a dust blowing gun in a dust blowing method, and when the products need to be cleaned by dust absorption, the dust absorption gun needs to be replaced. In the actual work, frequent change dust removal instrument, not only troublesome, inefficiency, the rush-harvesting and rush-planting has also increased use cost moreover.

Disclosure of Invention

The utility model aims to solve the technical problem that to the current situation of above-mentioned prior art, and provide a high pressure blow-suck dual-purpose rifle that the structure is succinct, reasonable in design to have the dual function of blowing dirt and dust absorption.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a high-pressure blowing and sucking dual-purpose gun comprises a gun body, wherein a reversing valve cavity is formed in a gun barrel in an expanded manner, an air inlet duct is formed in a gun handle of the gun body in a manner that the gun handle extends upwards from the bottom surface, a trigger is hinged to the root part of the gun handle, a reversing rod cavity and an opening and closing pin cavity are formed in the gun handle in an up-and-down arrangement manner, and a front air hole and a rear air hole which are communicated with the reversing valve cavity upwards and a connecting air hole which is communicated with the opening and closing pin cavity downwards are formed in the reversing rod cavity; the rear end of the opening and closing pin cavity is communicated with the upper end of the air inlet duct, and an opening and closing pin assembly for controlling the on-off of the connecting air hole and the air inlet duct is arranged in the opening and closing pin cavity; the trigger is matched with the opening and closing pin assembly in an elastic top contact way; a reversing rod assembly for switching the connection air hole to be communicated with the front air hole or the connection air hole to be communicated with the rear air hole is arranged in the reversing rod cavity; the reversing valve cavity is spirally pressed with a reversing valve through a locking ring, the front part of the reversing valve is formed with an air blowing pore channel for communicating with the front air hole to realize the air blowing function, and the rear part of the reversing valve is formed with a dust collecting pore channel for communicating with the rear air hole to realize the dust collecting function.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the opening and closing pin assembly consists of an opening and closing pin seat, an opening and closing pin spring and an opening and closing pin sleeve; the opening and closing pin seat is spirally installed in the opening and closing pin cavity, the opening and closing pin is slidably arranged in a central through hole formed in the opening and closing pin seat in a penetrating way, a throat for controlling air inlet is formed between the opening and closing pin and the central through hole of the opening and closing pin seat, and a radial air hole for communicating and connecting the air hole and the central through hole of the opening and closing pin seat is formed in the opening and closing pin seat; the opening-closing pin spring is elastically pressed at the bottom of the opening-closing pin cavity through the opening-closing pin, and the opening-closing pin sleeve is mounted in the external port of the opening-closing pin seat and is tightly and slidably sleeved with the opening-closing pin.

A first sealing ring for improving the sealing performance of the throat is arranged at the throat of the opening and closing pin seat, and a second sealing ring is pressed between the opening and closing pin seat and the cavity opening of the opening and closing pin cavity; the inner end of the opening and closing pin sleeve is provided with a third sealing ring in a pressing way; the upper end of the trigger is hinged and installed at the root part of the gun handle through an elastic cylindrical pin, and the trigger is matched with the outer end of the opening and closing pin in an elastic abutting mode.

The reversing rod assembly comprises a reversing rod which can be penetrated in the reversing rod cavity in a sliding manner, an annular concave area is processed on the reversing rod, and a ventilation gap is formed between the annular concave area and the inner wall of the reversing rod cavity; three reversing rod sealing rings for preventing gas leakage are sleeved on the reversing rod.

The front end and the rear end of the reversing rod extend out of a reversing rod cavity, and reversing rod sheaths for facilitating the forward and backward movement of the hand-pushed reversing rod are clamped at the front end and the rear end of the reversing rod; and clamping check rings for preventing the reversing rod from being separated from the cavity of the reversing rod are clamped at the positions close to the two ends of the reversing rod.

The front end of the gun handle is positioned below the cavity opening of the reversing rod cavity, a longitudinally arranged positioning cavity is formed, a positioning device for positioning the reversing position of the reversing rod is installed in the positioning cavity, and the positioning device comprises a steel ball in rolling abutting fit with the reversing rod, a positioning spring for elastically abutting against the steel ball and a set screw for spirally adjusting the pre-tightening pressure of the positioning spring; two positioning grooves used for being matched with the steel balls in a positioning mode are formed in the reversing rod.

The locking ring is detachably connected with a dust collection pipe, and the dust collection pipe is connected with a dust collection bag; a fourth sealing ring is pressed between the locking ring and the reversing valve cavity, and three reversing valve sealing rings are sleeved on the reversing valve.

The front end of the gun barrel is provided with an air blowing pipe in a plug-in mode, the air blowing pipe comprises an air blowing hard pipe and an air blowing hose, and the air blowing hose is provided with a conical air nozzle, a flat air nozzle and a brush combined air nozzle.

The gun barrel is provided with a hook hole.

The gun handle is sleeved with a handle rubber sleeve.

Compared with the prior art, the utility model discloses an install switching pin subassembly, reversing rod subassembly and switching-over valve in the rifle body, can control compressed gas's break-make through the switching pin subassembly, can switch over the direction of admitting air through reversing rod subassembly and switching-over valve to the realization is blown and dust absorption function's free conversion. The utility model discloses novel structure, pressure-vaccum conversion are convenient to be provided with the couple hole on the rifle body, be convenient for lay, be equipped with handle rubber sleeve, it is good to hold the travelling comfort.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a cross-sectional view of the gun body of the present invention;

fig. 3 is a schematic structural view of the reversing lever assembly of the present invention;

FIG. 4 is a schematic structural view of the shutter pin assembly of the present invention;

FIG. 5 is a schematic view of the structure of the air blowing pipe and the air nozzle provided in the present invention;

FIG. 6 is a schematic view of the structure of the dust suction pipe and the dust suction bag provided in the present invention;

FIG. 7 is a schematic structural view of the present invention in a blowing state;

fig. 8 is a schematic structural view of the utility model in a dust suction state.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Fig. 1 to 8 are schematic structural diagrams of the present invention.

Wherein the reference numerals are: the gun comprises a first sealing ring F1, a second sealing ring F2, a third sealing ring F3, a fourth sealing ring F4, a steel ball G1, a positioning spring G2, a set screw G3, an air inlet duct K, a connecting air hole K1, a rear air hole K2, a front air hole K3, a reversing rod sealing ring M1, a reversing valve sealing ring M2, a ventilation gap S, an elastic cylindrical pin X, a gun body 1, a reversing valve cavity 1a, a reversing rod cavity 1b, a switching pin cavity 1c, a positioning cavity 1d, a gun barrel 11, a hook hole 11a, a gun handle 12, a trigger 2, a switching pin component 3, a switching pin seat 31, a radial air hole 31a, a switching pin 32, a switching pin spring 33, a switching pin sleeve 34, a reversing rod component 4, a reversing rod 41, a positioning groove 41a, a reversing rod protective sleeve 42, a clamping retainer ring 43, a reversing valve 5, an air blowing duct 5a, a dust suction duct 5b, a locking ring 6, a dust suction pipe 71, a dust suction bag 72, a hard blowing pipe 81, a hose 82, a conical air nozzle 83, a flat air nozzle 84, a rubber handle combination rubber sleeve 85 and a brush sleeve 85.

As shown in fig. 1 to 8, the present invention discloses a high pressure blowing and sucking dual-purpose gun, which can be used as a dust blowing gun and a dust sucking gun. The gun comprises a gun body 1 similar to a gun structure, a reversing valve cavity 1a is formed in the gun barrel 11 of the gun body 1 in a diameter expanding manner at the middle and rear section, an air inlet hole channel K is formed in the gun handle 12 of the gun body 1 in a manner of extending upwards from the bottom surface, and a trigger 2 for being buckled by hands is hinged at the root part of the gun handle 12 connected with the gun barrel 11. A reversing lever chamber 1b and an opening/closing pin chamber 1c are also formed horizontally in the grip 12. The reversing rod cavity 1b and the opening and closing pin cavity 1c are vertically arranged, the reversing rod cavity 1b is a horizontal through hole which penetrates through the gun handle 12 from front to back, and the rear end of the opening and closing pin cavity 1c is communicated with the upper end of the air inlet duct K. As can be seen from fig. 2, the reversing rod chamber 1b is provided therein with a front air hole K3 and a rear air hole K2 which are communicated with the reversing valve chamber 1a upward, and a connecting air hole K1 which is communicated with the opening and closing pin chamber 1c downward. The opening and closing pin module 3 functioning as a switch is installed in the opening and closing pin chamber 1c, and the opening and closing of the air inlet passage connecting the air hole K1 and the air inlet duct K can be controlled by the opening and closing pin module 3. The trigger 2 is matched with the opening and closing pin assembly 3 in an elastic abutting mode, and the opening and closing pin assembly 3 can be pushed to open an air inlet channel between the connecting air hole K1 and the air inlet hole channel K by pulling the trigger 2. The reversing rod assembly 4 is slidably installed in the reversing rod chamber 1b in a forward and backward direction, as shown in fig. 7, when the reversing rod assembly 4 moves forward, the connecting air hole K1 can be communicated with the forward air hole K3, as shown in fig. 8, when the reversing rod assembly 4 moves backward, the connecting air hole K1 can be communicated with the backward air hole K2, and thus, the air intake direction can be switched by the reversing rod assembly 4. A reversing valve 5 is spirally pressed in a reversing valve cavity 1a through a locking ring 6, a middle sealing convex ring is formed on the peripheral surface of the center of the reversing valve 5, the reversing valve 5 is divided into a front part positioned at the front section of the middle sealing convex ring and a rear part positioned at the rear section of the middle sealing convex ring by the middle sealing convex ring, as can be seen from fig. 7, an air blowing pore passage 5a used for communicating with a front air hole K3 to realize an air blowing function is formed at the front part of the reversing valve 5, and a dust collection pore passage 5b used for communicating with a rear air hole K2 to realize a dust collection function is formed at the rear part of the reversing valve 5. The air blowing duct 5a and the dust suction duct 5b are both inclined holes.

In the embodiment, as shown in fig. 4, the opening/closing pin assembly 3 is composed of an opening/closing pin holder 31, an opening/closing pin 32, an opening/closing pin spring 33, and an opening/closing pin bush 34. The opening and closing pin seat 31 is installed in the opening and closing pin cavity 1c in a spiral mode, the opening and closing pin 32 is slidably inserted into a central through hole formed in the opening and closing pin seat 31, a throat for controlling air inlet is formed between the opening of the central through hole of the opening and closing pin 32 and the opening of the central through hole of the opening and closing pin seat 31, and the opening and closing of an air path between the air hole K1 and the air inlet duct K can be controlled through the opening or closing of the throat. The opening and closing pin seat 31 is provided with a radial air hole 31a for communicating and connecting the air hole K1 and a central through hole of the opening and closing pin seat 31; the opening/closing pin spring 33 is elastically press-fitted to the bottom of the opening/closing pin chamber 1c via the opening/closing pin 32, and the opening/closing pin spring 33 can push the opening/closing pin 32 to move outward by the spring force, thereby ensuring the closing of the throat. The opening/closing pin bush 34 is fitted in the outer port of the opening/closing pin holder 31 and sealingly slidably fitted with the opening/closing pin 31.

In the embodiment, a first seal F1 for improving the sealing performance of the throat is attached to the throat of the opening/closing pin holder 31, and a second seal F2 is press-fitted between the opening/closing pin holder 31 and the opening of the opening/closing pin chamber 1c. The inner end of the opening and closing pin sleeve 34 is provided with a third sealing ring F3 in a pressing way. The upper end of the trigger 2 is hinged and installed at the root of the gun handle 12 through an elastic cylindrical pin X, and the trigger 2 is matched with the outer end of the opening and closing pin 32 in an elastic abutting contact mode. When the trigger 2 is pulled, the trigger 2 can push the opening/closing pin 32 to compress the opening/closing pin spring 33, thereby opening the throat, so that high-pressure air can enter the connecting air hole K1 through the throat, the central through hole of the opening/closing pin holder 31 and the radial air hole 31a of the opening/closing pin holder 31.

In the embodiment, as shown in fig. 3, the reversing rod assembly 4 comprises a reversing rod 41 which is arranged in the reversing rod cavity 1b in a penetrating manner in a back-and-forth sliding manner, an annular concave area is processed on the reversing rod 41, and a ventilation gap S is formed between the annular concave area and the inner wall of the reversing rod cavity 1 b; the reversing rod 41 is sleeved with three reversing rod sealing rings M1 for preventing gas from leaking. The annular recessed area of the reversing lever 41 has a set length, and when the reversing lever 41 moves forward and backward, the position where the ventilation gap S is formed between the annular recessed area and the inner wall of the reversing lever cavity 1b also moves, thereby achieving the purpose of switching the air inlet path.

In the embodiment, the front end and the rear end of the reversing rod 41 extend out of the reversing rod cavity 1b, and the front end and the rear end of the reversing rod 41 are respectively clamped with a reversing rod sheath 42 for facilitating the forward and backward movement of the hand-pushed reversing rod 41; clamping check rings 43 for preventing the reversing rod 41 from falling out of the reversing rod cavity 1b are clamped on the reversing rod 41 near two ends.

In the embodiment, a longitudinally arranged positioning cavity 1d is formed at the front end of the gun handle 12 below the cavity opening of the reversing rod cavity 1b, a positioning device for positioning the reversing position of the reversing rod 41 is installed in the positioning cavity 1d, and the positioning device comprises a steel ball G1 in rolling abutting fit with the reversing rod 41, a positioning spring G2 for elastically abutting against the steel ball G1, and a set screw G3 for spirally adjusting the pre-tightening pressure of the positioning spring G2; two positioning grooves 41a for positioning and matching with the steel balls G1 are formed on the reversing rod 41. When the steel ball G1 is clamped into the positioning groove 41a, the reversing rod 41 is reversed to the right position, and the positioning device can prevent the reversing rod 41 from moving back and forth in the using process.

In the embodiment shown in fig. 6, the locking ring 6 is detachably connected to a suction pipe 71 by a metal clamp, and the suction pipe 71 is connected to a suction bag 72 by a metal clamp. The dust suction pipe 71 and the dust suction bag 72 are used for dust suction. A fourth sealing ring F4 is pressed between the locking ring 6 and the reversing valve cavity 1a, and three reversing valve sealing rings M2 are sleeved on the reversing valve 5.

In the embodiment shown in fig. 5, the front end of the gun barrel 11 is provided with an air blowing pipe in a plug-in manner, the air blowing pipe comprises an air blowing hard pipe 81 and an air blowing hose 82, and the air blowing hose 82 is provided with a conical air nozzle 83, a flat air nozzle 84 and a brush combined air nozzle 85.

The gun barrel 11 is formed with a hook hole 11a. The gun handle 12 is sleeved with a handle rubber sleeve 9.

The working principle of the utility model is as follows:

compressed air enters the connecting air hole K1 from the opening A, the trigger 2 is pressed down, the trigger 2 pushes the opening and closing pin 32 to compress the opening and closing pin spring 33 to open the throat, and the compressed air enters the connecting air hole K1 through the throat, the central through hole of the opening and closing pin seat 31 and the radial air hole 31a of the opening and closing pin seat 31. At the moment, two functions of blowing and dust absorption are selected.

When air blowing is required, as shown in fig. 7, the reversing lever 41 is pushed forward, so that the compressed air enters the forward air hole K3 through the air gap S and is blown out from the port B of the gun body 1.

When dust collection is required, as shown in fig. 8, the reversing lever 41 is pushed backward, so that compressed air enters the rear air holes K2 through the air gap S, and the locking ring 6 is blown out through the opening D (the locking ring 6 is connected with the dust collection bag 72).

While the preferred embodiments of the present invention have been illustrated and described, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope of the invention.

Claims

1. The utility model provides a dual-purpose rifle of high pressure blow-suction, includes that the diameter expansion is formed with rifle body (1) of switching-over valve chamber (1 a) in rifle barrel (11), processing has air inlet duct (K) by bottom surface upwards extension in the stock (12) of rifle body (1), and the root hinge of this stock (12) has trigger (2), characterized by: a reversing rod cavity (1 b) and an opening and closing pin cavity (1 c) are processed in the gun handle (12) in an up-and-down arrangement manner, and a front air hole (K3) and a rear air hole (K2) which are communicated with the reversing valve cavity (1 a) upwards and a connecting air hole (K1) which is communicated with the opening and closing pin cavity (1 c) downwards are arranged in the reversing rod cavity (1 b); the rear end of the opening and closing pin cavity (1 c) is communicated with the upper end of the air inlet duct (K), and an opening and closing pin assembly (3) for controlling the connection between the air hole (K1) and the air inlet duct (K) is arranged in the opening and closing pin cavity (1 c); the trigger (2) is matched with the opening and closing pin assembly (3) in an elastic top contact way; a reversing rod assembly (4) for switching a connecting air hole (K1) to be communicated with a front air hole (K3) or a connecting air hole (K1) to be communicated with a rear air hole (K2) is arranged in the reversing rod cavity (1 b); the reversing valve is characterized in that a reversing valve (5) is spirally pressed in the reversing valve cavity (1 a) through a locking ring (6), a blowing pore passage (5 a) for communicating with a front air hole (K3) to realize a blowing function is formed in the front of the reversing valve (5), and a dust collection pore passage (5 b) for communicating with a rear air hole (K2) to realize a dust collection function is formed in the rear of the reversing valve (5).

2. The high pressure blowing and sucking dual-purpose gun as claimed in claim 1, wherein: the opening and closing pin assembly (3) consists of an opening and closing pin seat (31), an opening and closing pin (32), an opening and closing pin spring (33) and an opening and closing pin sleeve (34); the opening and closing pin seat (31) is spirally installed in the opening and closing pin cavity (1 c), the opening and closing pin (32) is slidably arranged in a central through hole formed in the opening and closing pin seat (31), a throat for controlling air inlet is formed between the opening and closing pin (32) and the central through hole of the opening and closing pin seat (31), and a radial air hole (31 a) for communicating and connecting the air hole (K1) and the central through hole of the opening and closing pin seat (31) is formed in the opening and closing pin seat (31); the opening and closing pin spring (33) is elastically pressed at the bottom of the opening and closing pin cavity (1 c) through an opening and closing pin (32), and the opening and closing pin sleeve (34) is installed in the outer port of the opening and closing pin seat (31) and is sleeved with the opening and closing pin (32) in a sealing and sliding mode.

3. The high pressure blowing and sucking dual-purpose gun as claimed in claim 2, wherein: a first sealing ring (F1) for improving the sealing performance of the throat is arranged at the throat of the opening and closing pin seat (31), and a second sealing ring (F2) is arranged between the opening and closing pin seat (31) and the opening of the opening and closing pin cavity (1 c) in a pressing mode; the inner end of the opening and closing pin sleeve (34) is provided with a third sealing ring (F3) in a pressing way; the upper end of the trigger (2) is hinged and installed at the root part of the gun handle (12) through an elastic cylindrical pin (X), and the trigger (2) is matched with the outer end of the opening and closing pin (32) in an elastic abutting mode.

4. The high pressure blowing and sucking dual-purpose gun as claimed in claim 3, wherein: the reversing rod cavity (1 b) is a horizontal through hole formed in the gun handle (12), the reversing rod assembly (4) comprises a reversing rod (41) which can be penetrated in the reversing rod cavity (1 b) in a front-and-back sliding mode, an annular concave area is machined on the reversing rod (41), and a ventilation gap (S) is formed between the annular concave area and the inner wall of the reversing rod cavity (1 b); and three reversing rod sealing rings (M1) for preventing gas from leaking are sleeved on the reversing rod (41).

5. The high pressure blowing and sucking dual-purpose gun as claimed in claim 4, wherein: the front end and the rear end of the reversing rod (41) extend out of the reversing rod cavity (1 b), and a reversing rod sheath (42) for facilitating the forward and backward movement of the hand-pushed reversing rod (41) is clamped at the front end and the rear end of the reversing rod (41); clamping retaining rings (43) for preventing the reversing rod (41) from falling out of the reversing rod cavity (1 b) are clamped on the reversing rod (41) near the two ends.

6. The high pressure blowing and sucking dual-purpose gun as claimed in claim 5, wherein: a longitudinally arranged positioning cavity (1 d) is formed at the front end of the gun handle (12) and positioned below the cavity opening of the reversing rod cavity (1 b), a positioning device for positioning the reversing position of the reversing rod (41) is installed in the positioning cavity (1 d), and the positioning device comprises a steel ball (G1) in rolling abutting fit with the reversing rod (41), a positioning spring (G2) for elastically abutting against the steel ball (G1), and a set screw (G3) for spirally adjusting the pre-tightening pressure of the positioning spring (G2); two positioning grooves (41 a) used for being matched with the steel balls (G1) in a positioning mode are formed in the reversing rod (41).

7. The high pressure blowing and sucking dual-purpose gun as claimed in claim 6, wherein: the locking ring (6) is detachably connected with a dust suction pipe (71), and the dust suction pipe (71) is connected with a dust suction bag (72); a fourth sealing ring (F4) is pressed between the locking ring (6) and the reversing valve cavity (1 a), and three reversing valve sealing rings (M2) are sleeved on the reversing valve (5).

8. The high pressure blowing and sucking dual-purpose gun as claimed in claim 7, wherein: the front end of the gun barrel (11) is provided with an air blowing pipe in a plug-in mode, the air blowing pipe comprises an air blowing hard pipe (81) and an air blowing hose (82), and the air blowing hose (82) is provided with a conical air nozzle (83), a flat air nozzle (84) and a brush combined air nozzle (85).

9. The high pressure blowing and sucking dual-purpose gun as claimed in claim 8, wherein: and a hook hole (11 a) is formed in the gun barrel (11).

10. The high pressure blowing and sucking dual-purpose gun as claimed in claim 9, wherein: the gun handle (12) is sleeved with a handle rubber sleeve (9).