Rebound type clutch dust blowing gun

Abstract

The utility model discloses a rebound type clutch dust blowing gun, which relates to the field of dust blowing guns, and comprises a dust blowing gun main body, a deflector rod and a rebound type ventilation clutch device, the deflector rod is arranged below the dust blowing gun main body, an air inlet channel and an air outlet channel are arranged in the dust blowing gun main body, a clutch cavity is arranged between the air inlet channel and the air outlet channel, and the rebound type ventilation clutch device is arranged in the clutch cavity. A rebound type ventilation clutch device is arranged in the clutch cavity, an air inlet connector is connected to the bottom of the dust blowing gun body in a screwed mode, and the upper end of the air inlet connector is connected with the air inlet channel. The dust blowing gun is reasonable in structural design, attractive in appearance, novel and unique in modeling, easy to operate and convenient to use, the deflector rod is opened by pressing and pulling the deflector rod to blow dust, the deflector rod is closed by pressing and pulling the deflector rod again, the deflector rod does not need to be continuously pinched, the ache condition caused by long-time pinching is avoided, the dust blowing gun is more convenient and labor-saving, and the use requirements of people are met.

Description

Technical field:

[0001] The utility model relates to a rebound-type clutch dust blowing gun, belonging to the technical field of dust blowing guns. Background technology:

[0002] The dust blow gun is a device used for dust removal during installation and maintenance. It is mainly used for dust removal work in factories and during installation and maintenance. It is most suitable for cleaning work in some narrow and high places and inside air pipes that cannot be reached by hands. The pneumatic dust blow gun uses the principle of air amplification to effectively reduce the consumption of compressed air, thereby generating a strong and precise airflow, and driving the surrounding air to work together. It should be used in some places that cannot be reached by hands, such as: narrow gaps, high places, inside air pipes, inside machine parts, etc.

[0003] At present, the airflow control device of the dust blower on the market is mostly a handle similar to the trigger of a pistol. When using it, people need to keep pinching the handle to continuously provide airflow. However, pinching the handle for a long time makes the palm unable to relax, which will also cause palm soreness. When operating, it is necessary to keep pressing to blow out air and dust. The air pressure is relatively high, and it is very strenuous for the operator to use. Therefore, there are still certain shortcomings. Utility model content:

[0004] In view of the above problems, the technical problem to be solved by the utility model is to provide a rebound-type clutch dust blowing gun.

[0005] The utility model discloses a rebound-type clutch dust blowing gun, which comprises a dust blowing gun body, a lever, and a rebound-type ventilation clutch device. The lever is arranged below the dust blowing gun body, an air inlet channel and an air outlet channel are arranged inside the dust blowing gun body, a clutch cavity is arranged between the air inlet channel and the air outlet channel, a rebound-type ventilation clutch device is arranged inside the clutch cavity, an air inlet joint is screwed on the bottom of the dust blowing gun body, and the upper end of the air inlet joint is connected to the air inlet channel;

[0006] The rebound ventilation clutch device is composed of a clutch body, a push rod, a clutch valve body and a spring. The push rod and the clutch valve body are arranged in the clutch body, wherein a clutch push tooth is integrally arranged above the push rod, and several limit guide rods are arranged on the side wall of the clutch push tooth. A sealing ring and a locking nut are arranged on the push rod, and a valve stem is integrally arranged below the clutch valve body, and a clutch gear rod is arranged on the side wall of the valve stem. The lower end of the clutch gear rod is designed with helical teeth, and a guide column is arranged at the other end of the clutch gear rod, and cooperates with the clutch push tooth. A spring fixing cavity is arranged above the clutch valve body, one end of the spring is arranged in the spring fixing cavity, and the other end of the spring is arranged above the clutch cavity of the dust blowing gun body. An air inlet is arranged between the clutch body and the clutch valve body, and is designed relative to the air inlet channel.

[0007] Preferably, the interior of the clutch body is through-connected, and a clutch tooth seat is provided on the cylindrical inner wall of the clutch body, and an opening guide inclined wall, an opening limit convex wall and an opening and closing guide groove are provided on the clutch tooth seat, wherein the opening and closing guide groove is provided on the side of the opening limit convex wall, and an air outlet is provided above the clutch tooth seat, and the air outlet is designed relative to the air outlet channel in the dust blow gun body, and the height of the opening limit convex wall is higher than the opening and closing guide groove.

[0008] Preferably, the bottom of the clutch body adopts a hexagonal structure design, an external thread is arranged above the bottom of the clutch body, and is screwed and fixed with the internal thread below the clutch cavity, and a sealing ring fixing groove 1 and a sealing ring fixing groove 2 are arranged on the clutch body, and sealing ring 2 and sealing ring 3 are fixed in sealing ring fixing groove 1 and sealing ring fixing groove 2 respectively, and sealing ring 2 and sealing ring 3 are fixed to the clutch cavity of the dust blow gun body.

[0009] Preferably, the clutch push tooth is arranged in the opening and closing guide groove of the clutch tooth seat, the clutch gear rod on the valve stem cooperates with the opening guide inclined wall, the opening limit convex wall and the opening and closing guide groove of the clutch gear seat, and the tooth tip of the clutch push tooth is arranged on the inclined tooth point below the clutch gear rod.

[0010] Preferably, a sealing ring fixing groove three is provided below the clutch valve body, and a sealing ring four is fixed in the sealing ring fixing groove three.

[0011] The beneficial effects of the utility model are as follows: it has a reasonable structural design, beautiful appearance, novel and unique shape, simple operation, and easy use. The air outlet and dust blowing are opened by pressing the lever, and the air outlet and dust blowing are closed by pressing the lever again. There is no need to continuously squeeze the lever, which avoids the pain caused by squeezing for a long time. The dust blowing gun is more convenient and labor-saving, and meets people's usage needs. Description of the drawings:

[0012] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the use state of the utility model;

[0015] Figure 3 It is an exploded view of the utility model;

[0016] Figure 4 It is a schematic diagram of the installation structure of the rebound type ventilation clutch device in the utility model;

[0017] Figure 5 It is a cross-sectional view of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the rebound type ventilation clutch device in the utility model;

[0019] Figure 7 It is an exploded view of the rebound type ventilation clutch device in the utility model;

[0020] Figure 8 It is a structural schematic diagram of the clutch valve body in the utility model;

[0021] Fig. 9 It is a partial installation diagram of the clutch body in the utility model;

[0022] Fig.10 It is a schematic diagram of the internal structure of the clutch body in the utility model;

[0023] Fig.11 It is a cross-sectional view of the utility model in a closed state;

[0024] Fig.12 This is the cross section of the utility model in the open state Figure 1 ;

[0025] Fig.13 This is the cross section of the utility model in the open state Figure 2 .

[0026] 1- dust gun body; 11- air inlet channel; 12- air outlet channel; 13- clutch cavity; 2- lever; 3- rebound ventilation clutch device; 31- clutch body; 311- clutch tooth seat; 3111- open guide inclined wall; 3112- open limit convex wall; 3113- open and close guide groove; 312- air outlet; 313- external thread; 314- sealing ring fixing groove 1; 315- sealing ring fixing groove 2; 31 6-Sealing ring 2; 317-Sealing ring 3; 32-Push rod; 321-Clutch push tooth; 3211-Limiting guide rod; 322-Sealing ring 1; 323-Locking nut; 33-Clutch valve body; 331-Valve stem; 3311-Clutch gear rod; 3312-Guide column; 332-Spring fixing cavity; 333-Sealing ring fixing groove 3; 334-Sealing ring 4; 34-Spring; 35-Air inlet; 4-Air inlet connector. Specific implementation method:

[0027] like Figure 1-Figure 13As shown, this specific embodiment adopts the following technical scheme: it comprises a dust blowing gun body 1, a lever 2, and a rebound type ventilation clutch device 3. A lever 2 is provided below the dust blowing gun body 1, and the lever 2 is movable. An air inlet channel 11 and an air outlet channel 12 are provided in the dust blowing gun body 1, and a clutch cavity 13 is provided between the air inlet channel 11 and the air outlet channel 12. The rebound type ventilation clutch device 3 is provided in the clutch cavity 13. An air inlet connector 4 is screwed on the bottom of the dust blowing gun body 1, and the upper end of the air inlet connector 4 is connected to the air inlet channel 11.

[0028] The rebound ventilation clutch device 3 is composed of a clutch body 31, a push rod 32, a clutch valve body 33, and a spring 34. The clutch body 31 is provided with a push rod 32 and a clutch valve body 33. A clutch push tooth 321 is integrally provided above the push rod 32. A plurality of limit guide rods 3211 are provided on the side wall of the clutch push tooth 321. A sealing ring 322 and a locking nut 323 are provided on the push rod 32. The sealing ring 322 can effectively seal the push rod 32 and the lower port of the clutch body 31. A valve stem 33 is integrally provided below the clutch valve body 33. 1. A clutch gear rod 3311 is arranged on the side wall of the valve stem 331. The lower end of the clutch gear rod 3311 is designed with helical teeth. A guide column 3312 is arranged at the other end of the clutch gear rod 3311 and cooperates with the clutch push tooth 321. A spring fixing cavity 332 is arranged above the clutch valve body 33. One end of the spring 34 is arranged in the spring fixing cavity 332. The other end of the spring 34 is arranged above the clutch cavity 13 of the dust blowing gun body 1. An air inlet 35 is arranged between the clutch body 31 and the clutch valve body 33 and is designed relative to the air inlet channel 11.

[0029] The interior of the clutch body 31 is through-connected, and a clutch tooth seat 311 is provided on the cylindrical inner wall of the clutch body 31. The clutch tooth seat 311 is provided with an opening guide inclined wall 3111, an opening limit convex wall 3112 and an opening and closing guide groove 3113, wherein the opening and closing guide groove 3113 is provided on the side of the opening limit convex wall 3112, and an air outlet 312 is provided above the clutch tooth seat 311. The air outlet 312 is designed to be relative to the air outlet channel 12 in the dust blow gun body 1, and the height of the opening limit convex wall 3112 is higher than the opening and closing guide groove 3113.

[0030] The bottom of the clutch body 31 adopts a hexagonal structure design, and an external thread 313 is arranged on the top of the bottom of the clutch body 31, and is screwed and fixed with the internal thread at the bottom of the clutch cavity 13. The hexagonal design is more convenient for disassembly and assembly. A sealing ring fixing groove 1 314 and a sealing ring fixing groove 2 315 are arranged on the clutch body 31, and a sealing ring 2 316 and a sealing ring 317 are fixed in the sealing ring fixing groove 1 314 and the sealing ring fixing groove 2 315 respectively. The sealing ring 2 316 and the sealing ring 317 are fixed to the clutch cavity 13 of the dust blowing gun body 1, which can effectively achieve a good sealing effect.

[0031] The clutch push tooth 321 is arranged in the opening and closing guide groove 3113 of the clutch tooth seat 311, and can move up and down but cannot rotate. The clutch gear rod 3311 on the valve stem 331 cooperates with the opening guide inclined wall 3111, the opening limit convex wall 3112 and the opening and closing guide groove 3113 of the clutch gear seat 311, and the tooth tip of the clutch push tooth 321 is arranged on the inclined tooth point below the clutch gear rod 3311.

[0032] A sealing ring fixing groove 333 is provided below the clutch valve body 33, and a sealing ring 434 is fixed in the sealing ring fixing groove 333. The sealing ring 434 fits tightly on the inner wall of the clutch body 31 and locks the exhaust channel to prevent air leakage.

[0033] The opening principle of this specific embodiment is as follows: by pressing the lever 2, the lever 2 pushes the push rod 32 upward, and the tooth tip of the clutch push tooth 321 above the push rod 32 pushes the tooth point of the oblique tooth below the clutch gear rod 3311 on the side wall of the valve stem 331, and the clutch gear rod 3311 moves upward from the opening and closing guide groove 3113 on the inner wall of the clutch body 31, and the oblique tooth below the clutch gear rod 3311 leaves the opening and closing guide groove 3113, passes through the opening guide oblique wall 3111 to reach the opening limit convex wall 3112 to open, and at the same time drives the valve body 331 to rotate and move upward, so that the air outlet channel is opened, and the lever 2 can be released at this time to continue the ventilation and air outlet state.

[0034] The closing principle of this specific embodiment is: by pressing the lever 2, the lever 2 pushes the push rod 32 upward, and the tooth tip of the limiting guide rod 3211 on the side wall of the clutch push tooth 321 above the push rod 32 pushes the tooth point of the oblique tooth below the clutch gear rod 3311 of the opening limiting protrusion 3112, so that the clutch gear rod 3311 moves upward to disengage from the opening limiting protrusion 3112 and rotate to reach the opening and closing guide groove 3113, and the valve stem 331 moves downward, and the valve stem 331 locks the air outlet channel, which is now in a closed state.

[0035] The specific implementation manner has a reasonable structural design, beautiful appearance, novel and unique shape, simple operation and easy use. The dust outlet is opened by pressing the lever and the dust is blown away, and the lever can be closed by pressing it again. There is no need to continuously squeeze the lever, which avoids the pain caused by squeezing the lever for a long time. The dust blow gun is more convenient and labor-saving, meeting people's usage needs.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rebound clutch dust blowing gun, characterized in that: The dust blowing gun comprises a dust blowing gun body (1), a lever (2), and a rebound-type ventilation clutch device (3); the lever (2) is arranged below the dust blowing gun body (1); an air inlet channel (11) and an air outlet channel (12) are arranged inside the dust blowing gun body (1); a clutch cavity (13) is arranged between the air inlet channel (11) and the air outlet channel (12); the rebound-type ventilation clutch device (3) is arranged inside the clutch cavity (13); an air inlet connector (4) is screwed to the bottom of the dust blowing gun body (1), and the upper end of the air inlet connector (4) is connected to the air inlet channel (11); The rebound ventilation clutch device (3) is composed of a clutch body (31), a push rod (32), a clutch valve body (33), and a spring (34). The clutch body (31) is provided with a push rod (32) and a clutch valve body (33). A clutch push tooth (321) is integrally provided above the push rod (32). A plurality of limit guide rods (3211) are provided on the side wall of the clutch push tooth (321). A sealing ring (322) and a locking nut (323) are provided on the push rod (32). A valve stem (331) is integrally provided below the clutch valve body (33). A clutch push tooth (321) is provided on the side wall of the clutch push tooth (321). The clutch gear rod (3311) has a lower end with a helical gear design, the other end of the clutch gear rod (3311) is provided with a guide column (3312) and cooperates with the clutch push tooth (321), a spring fixing cavity (332) is provided above the clutch valve body (33), one end of the spring (34) is provided in the spring fixing cavity (332), the other end of the spring (34) is provided above the clutch cavity (13) of the dust blowing gun body (1), an air inlet (35) is provided between the clutch body (31) and the clutch valve body (33), and is designed relative to the air inlet channel (11).

2. The rebound clutch dust blowing gun according to claim 1, characterized in that: The interior of the clutch body (31) is through-connected, and a clutch tooth seat (311) is provided on the cylindrical inner wall of the clutch body (31), and an opening guide inclined wall (3111), an opening limit convex wall (3112) and an opening and closing guide groove (3113) are provided on the clutch tooth seat (311), wherein the opening and closing guide groove (3113) is provided on the side of the opening limit convex wall (3112), and an air outlet (312) is provided above the clutch tooth seat (311), and the air outlet (312) is designed to be opposite to the air outlet channel (12) in the dust blowing gun body (1), and the height of the opening limit convex wall (3112) is higher than the opening and closing guide groove (3113).

3. The rebound clutch dust blowing gun according to claim 1, characterized in that: The bottom of the clutch body (31) adopts a hexagonal structure design. An external thread (313) is arranged above the bottom of the clutch body (31) and is screwed and fixed to the internal thread below the clutch cavity (13). The clutch body (31) is provided with a sealing ring fixing groove 1 (314) and a sealing ring fixing groove 2 (315). The sealing ring fixing groove 1 (314) and the sealing ring fixing groove 2 (315) are respectively fixed with a sealing ring 2 (316) and a sealing ring 3 (317). The sealing ring 2 (316) and the sealing ring 3 (317) are fixed to the clutch cavity (13) of the dust blowing gun body (1).

4. The rebound clutch dust blowing gun according to claim 1, characterized in that: The clutch push tooth (321) is arranged in the opening and closing guide groove (3113) of the clutch tooth seat (311), the clutch gear rod (3311) on the valve stem (331) cooperates with the opening guide inclined wall (3111), the opening limit convex wall (3112) and the opening and closing guide groove (3113) of the clutch gear seat (311), and the tooth tip of the clutch push tooth (321) is arranged on the inclined tooth point below the clutch gear rod (3311).

5. The rebound clutch dust blowing gun according to claim 1, characterized in that: A sealing ring fixing groove three (333) is provided below the clutch valve body (33), and a sealing ring four (334) is fixed in the sealing ring fixing groove three (333).

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