Detachable dust collection gun

Abstract

The utility model belongs to the technical field of cleaning equipment, and particularly relates to a detachable dust collection gun which comprises a connecting handle and a dust collection connector, a connecting end is arranged on the connecting handle, a connecting part is arranged on the connecting handle, a mounting part is arranged at the top end of the dust collection connector, a dust collection opening is formed in the mounting part, a dust collection pipe is arranged in the connecting handle, and a dust collection piece is arranged in the bottom of the dust collection connector. A cleaning brush head can be connected to the dust collection part, limiting tables are symmetrically arranged on the inner wall of the dust collection connector, mounting plates are symmetrically arranged on the dust collection part, a clamping groove channel is formed between the symmetrical mounting plates, the limiting tables are arranged in the clamping groove channel, an unlocking part is rotationally arranged on the connecting part, a buckle block is arranged at the bottom end of the unlocking part, and a buckle hole is formed in the connecting part. The mounting part is provided with a buckling groove, the top end of the unlocking piece is provided with a pressing part, the pressing part is pressed to drive the buckling block to be separated from the buckling groove, at the moment, the dust collection connector can be separated from the connecting handle, the dust collection gun can be disassembled into the connecting handle and the dust collection connector, only the connecting handle or the dust collection connector needs to be replaced, and the replacement cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning equipment, and particularly refers to a detachable dust suction gun. Background Art

[0002] A vacuum cleaner is a dust removal device often used for indoor cleaning, mainly used to clean dust on floors, carpets, furniture, curtains, and narrow corners. The existing vacuum cleaners on the market mainly consist of a dust suction gun and a dust collection box, which are connected by a dust suction hose. Its working principle is that the suction electric motor in the dust collection box rotates at a high speed to generate negative pressure to form air flow and pressure difference. Using the pressure difference and air flow, garbage or dust is introduced into the dust collection box through the dust suction gun and the dust suction hose. Because of its simple operation and the ability to greatly improve the cleaning effect and efficiency, it is widely loved by people. However, the dust suction gun of the above-mentioned vacuum cleaner is often integrally formed. When some components in the dust suction gun are damaged, the entire dust suction gun cannot be used, and users need to replace the entire dust suction gun. However, the replacement cost of the entire dust suction gun is relatively high, and it is easy to cause waste of resources. Summary of the Invention

[0003] The purpose of the utility model is to provide a dust suction gun with a simple structure. When some components in the dust suction gun are damaged, the dust suction gun can be disassembled into a connecting handle and a dust suction joint, and only the connecting handle or the dust suction joint needs to be replaced, without replacing the entire dust suction gun, which can avoid waste of resources and reduce the replacement cost.

[0004] The purpose of the utility model is achieved as follows:

[0005] A detachable dust suction gun includes a connecting handle and a dust suction joint arranged on the connecting handle. The connecting handle is provided with a connecting end for connecting a dust suction hose, and the connecting handle is provided with a connecting portion. The top end of the dust suction joint is provided with a mounting portion, and the mounting portion can be connected to the connecting portion. The mounting portion is provided with a dust suction port. A dust suction pipe is arranged in the connecting handle, and one end of the dust suction pipe passes through the connecting portion and is arranged outside the connecting handle. A hollow dust suction member is arranged inside the bottom of the dust suction joint, and a cleaning brush head can be connected to the dust suction member. A dust suction connecting pipe is connected between the dust suction member and the dust suction port. After the dust suction joint is connected to the connecting portion, one end of the dust suction pipe is inserted into the dust suction port and is communicated with the dust suction connecting pipe. The inner wall of the dust suction joint is symmetrically provided with limiting platforms, and mounting plates are symmetrically formed on the dust suction member. A clamping groove is formed between the symmetric mounting plates, and the limiting platforms are arranged in the clamping groove and are clamped with the dust suction member. An unlocking member is rotatably arranged on the connecting portion, a clamping block is arranged at the bottom end of the unlocking member, a clamping hole is arranged on the connecting portion, and a clamping groove is arranged on the mounting portion. The clamping block can pass through the clamping hole and be clamped in the clamping groove to limit the dust suction joint from separating from the connecting portion. A pressing portion is arranged at the top end of the unlocking member. Pressing the pressing portion can drive the clamping block to disengage from the clamping groove, and at this time, the dust suction joint can be separated from the connecting handle.

[0006] Further, shelf plates are symmetrically arranged on the connecting portion, the unlocking member is arranged between the symmetric shelf plates, rotating holes are formed in the shelf plates, hinge columns are arranged on both sides of the unlocking member, and the hinge columns are arranged in the rotating holes.

[0007] Further, a spring post is further arranged on the connecting portion, the spring post corresponds to the position of the pressing portion, a limiting post is arranged on the inner side surface of the pressing portion, a return spring is arranged between the limiting post and the spring post, and two ends of the return spring are respectively sleeved on the limiting post and the spring post, and an abutting inclined surface is formed on the lower surface of the buckle block.

[0008] Further, positioning posts are arranged on both the left and right sides of the dust suction pipe, positioning grooves are symmetrically arranged at the top end of the installation portion, the positioning posts can be arranged in the positioning grooves, an installation slot is arranged on the connecting portion, an installation insertion plate is arranged on the side surface of the installation portion, and the installation insertion plate can be arranged in the installation slot.

[0009] Further, an installation pipe is further arranged in the dust suction joint, the top end of the installation pipe is connected to the dust suction port, a first internal thread is arranged on the inner wall of the installation pipe, a first external thread matched with the first internal thread is arranged on the outer wall of the top end of the dust suction connecting pipe, the top end of the dust suction connecting pipe is arranged in the installation pipe and is in threaded connection with the installation pipe, a fixing portion is arranged at the top end of the dust suction member, a through hole is formed in the fixing portion, a second internal thread is arranged in the through hole, a second external thread matched with the second internal thread is arranged on the outer wall of the bottom end of the dust suction connecting pipe, and the bottom end of the dust suction connecting pipe is arranged in the through hole and is in threaded connection with the connecting portion.

[0010] Further, the dust suction joint includes a left outer shell and a right outer shell, an installation space is formed between the left outer shell and the right outer shell, the connecting portion is connected to the left outer shell and the right outer shell, the dust suction member, the installation pipe and the dust suction connecting pipe are all arranged in the installation space, limiting hole columns are arranged on the inner walls of both the left outer shell and the right outer shell, installation columns are arranged on both sides of the installation pipe, and the installation columns are arranged in the limiting hole columns and are connected to the limiting hole columns.

[0011] Further, the limiting platform includes a connecting block formed on the inner wall of the left outer shell and a connecting plate formed on the inner wall of the right outer shell, a connecting groove is formed in the connecting block, and the connecting plate is arranged in the connecting groove.

[0012] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0013] A detachable dust suction gun, comprising a connecting handle and a dust suction joint arranged on the connecting handle. A connecting end for connecting a dust suction hose is provided on the connecting handle. A connecting portion is provided on the connecting handle. An installation portion is provided at the top of the dust suction joint, and the installation portion can be connected to the connecting portion. A dust suction port is provided on the installation portion. A dust suction pipe is arranged inside the connecting handle, and one end of the dust suction pipe passes through the connecting portion and is arranged outside the connecting handle. A hollow dust suction member is arranged inside the bottom of the dust suction joint, and a cleaning brush head can be connected to the dust suction member. A dust suction connecting pipe is connected between the dust suction member and the dust suction port. After the dust suction joint is connected to the connecting portion, one end of the dust suction pipe is inserted into the dust suction port and communicated with the dust suction connecting pipe. Limiting platforms are symmetrically arranged on the inner wall of the dust suction joint. Mounting plates are symmetrically formed on the dust suction member, and a clamping groove is formed between the symmetric mounting plates. The limiting platforms are arranged in the clamping groove and are clamped with the dust suction member. An unlocking member is rotatably arranged on the connecting portion. A clamping block is arranged at the bottom end of the unlocking member. A clamping hole is provided on the connecting portion. A clamping groove is provided on the installation portion. The clamping block can pass through the clamping hole and be clamped in the clamping groove, thereby restricting the dust suction joint from detaching from the connecting portion. A pressing portion is provided at the top end of the unlocking member. Pressing the pressing portion can drive the clamping block to disengage from the clamping groove. At this time, the dust suction joint can be separated from the connecting handle;Before use, the user needs to connect the dust suction connector to the connecting handle. Since the mounting portion at the top of the dust suction connector can be connected to the connecting portion on the connecting handle, when the user connects the mounting portion of the dust suction connector to the connecting portion of the connecting handle, the buckle block at the bottom end of the unlocking piece on the connecting portion will enter the buckle groove and enter a buckling state with the mounting portion, limiting the separation of the connecting portion from the mounting portion, so that the dust suction connector can be stably installed on the connecting handle, and at this time, one end of the dust suction tube will be inserted into the dust suction port and connected to the dust suction connecting tube, and since the dust suction connecting tube is arranged between the dust suction piece and the dust suction port for connecting the dust suction piece and the dust suction port, the dust suction port is hollow, so that the dust suction piece, the dust suction connecting tube and the dust suction tube are connected, when the dust suction connector is connected to the connecting handle After that, the user connects the vacuum hose on the dust box to the connecting end of the connecting handle, so that the vacuum hose is connected to the vacuum tube in the connecting handle. The dust box is a part of the common vacuum cleaners on the market, which is used to store the dust sucked in by the vacuum gun. There is a vacuum motor in the dust box. When the vacuum motor starts to work, negative pressure will be generated in the vacuum piece, the vacuum connecting tube, the vacuum tube and the vacuum hose to form air flow and pressure difference. The pressure difference and airflow are used to drive objects such as hair or dust into the dust box through the vacuum piece, the vacuum connecting tube, the vacuum tube and the vacuum hose in turn. A cleaning brush head can be connected to the vacuum piece. The cleaning brush head is a cleaning brush head on a common car vacuum cleaner on the market. This cleaning brush head consists of a brush body and bristles arranged on the brush body. The inside of the brush body The cleaning brush body is provided with a dust suction channel, and when the user installs the cleaning brush head on the dust suction piece, the internal dust suction channel of the brush body will be connected with the hollow dust suction piece, so that dust, debris or hair can be smoothly sucked in, and the setting of the cleaning brush head makes it possible for the attachments that are difficult to be sucked in to the ground to be smoothly sucked into the dust collection box after being cleaned by the bristles on the brush body, thereby improving the cleaning effect, and the dust suction piece is inserted into the clamping groove formed by the two mounting plates on the dust suction piece through the symmetrical limit platforms on the inner wall of the dust suction joint, thereby preventing the dust suction piece from falling out of the dust suction joint, so that the vacuum gun can be used normally, and compared with the vacuum guns of vacuum cleaners currently on the market, which are often integrally formed, when some parts in the vacuum gun are damaged, the vacuum gun as a whole will become unusable, and the user needs to The entire vacuum gun needs to be replaced, but the replacement cost of the entire vacuum gun is high and it is easy to cause waste of resources. In the utility model, when the parts in the connecting handle or the vacuum joint are damaged, since the unlocking piece is rotatably arranged on the connecting part and there is a pressing part at the top of the unlocking piece, the user can press the pressing part to move the buckle block at the bottom of the unlocking piece outward, so that the buckle block is separated from the buckle groove and the vacuum joint is released from the clamping state. At this time, the connecting part and the mounting part can be separated, so that the vacuum joint can be removed from the connecting handle. When the parts in the connecting handle are damaged, only the connecting handle needs to be replaced. When the parts in the vacuum joint are damaged, only the vacuum joint needs to be replaced. There is no need to replace the entire vacuum gun, which can avoid waste of resources and reduce replacement costs. ; BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a perspective view of the present utility model.

[0015] Figure 2 It is a perspective view of the present utility model.

[0016] Figure 3 It is an exploded view of the connection handle and the dust suction joint of the present utility model.

[0017] Figure 4 It is an exploded view of the connection handle and the dust suction joint of the present utility model.

[0018] Figure 5 It is a perspective view of the connection handle of the present utility model.

[0019] Figure 6 It is a schematic structural view of the connection handle and the dust suction pipe of the present utility model.

[0020] Figure 7 It is a schematic structural view of the connection part and the dust suction pipe of the present utility model.

[0021] Figure 8 It is a schematic structural view of the connection part and the unlocking member of the present utility model.

[0022] Figure 9 It is an exploded view of the connection part and the unlocking member of the present utility model.

[0023] Figure 10 It is a perspective view of the unlocking member of the present utility model.

[0024] Figure 11 It is a perspective view of the dust suction joint of the present utility model.

[0025] Figure 12 It is one of the exploded views of the left housing and the right housing of the present utility model.

[0026] Figure 13 It is the second exploded view of the left housing and the right housing of the present utility model.

[0027] Figure 14 It is a cross-sectional view of the left housing and the right housing of the present utility model.

[0028] Figure 15 It is an exploded view of the left housing, the dust suction member and the installation pipe of the present utility model.

[0029] Figure 16 It is a perspective view of the dust suction member of the present utility model.

[0030] The meanings represented by the reference numerals in the figure:

[0031] 1 - connection handle; 2 - dust suction joint; 3 - connection end; 4 - connection part; 5 - installation part; 6 - dust suction port;

[0032] 7 - Dust suction pipe; 8 - Dust suction part; 9 - Pressing part; 10 - Unlocking part; 11 - Buckle block;

[0033] 12 - Buckle hole; 13 - Buckle groove; 14 - Shelf board; 15 - Rotation hole; 16 - Hinge column;

[0034] 17 - Spring column; 18 - Limit column; 20 - Contact inclined plane; 21 - Positioning column; 22 - Positioning groove;

[0035] 23 - Installation slot; 24 - Installation plug board; 25 - Limit platform; 26 - Installation board; 27 - Clamping groove channel;

[0036] 28 - Installation pipe; 29 - First internal thread; 30 - Fixing part; 31 - Through hole; 32 - Second internal thread;

[0037] 33 - Left outer shell; 34 - Right outer shell; 35 - Installation space; 36 - Limit hole column; 37 - Installation column;

[0038] 38 - Connection block; 39 - Connection plate; 40 - Connection groove. Detailed implementation mode

[0039] The present utility model will be further described below in conjunction with specific embodiments:

[0040] A detachable dust suction gun, comprising a connecting handle 1 and a dust suction connector 2 provided on the connecting handle 1. A connecting end 3 for connecting a dust suction hose is provided on the connecting handle 1. A connecting portion 4 is provided on the connecting handle 1. An installation portion 5 is provided at the top end of the dust suction connector 2, and the installation portion 5 can be connected to the connecting portion 4. A dust suction port 6 is provided on the installation portion 5. A dust suction pipe 7 is provided inside the connecting handle 1, and one end of the dust suction pipe 7 passes through the connecting portion 4 and is arranged outside the connecting handle 1. A hollow dust suction member 8 is provided inside the bottom of the dust suction connector 2. A cleaning brush head can be connected to the dust suction member 8. A dust suction connecting pipe is connected between the dust suction member 8 and the dust suction port 6. After the dust suction connector 2 is connected to the connecting portion 4, one end of the dust suction pipe 7 is inserted into the dust suction port 6 and communicated with the dust suction connecting pipe. Limiting platforms 25 are symmetrically provided on the inner wall of the dust suction connector 2. Mounting plates 26 are symmetrically formed on the dust suction member 8, and a clamping groove 27 is formed between the symmetric mounting plates 26. The limiting platforms 25 are arranged in the clamping groove 27 and are clamped with the dust suction member 8. An unlocking member 10 is rotatably provided on the connecting portion 4, and a bottom end snap block 11 is provided on the unlocking member 10. A snap hole 12 is provided on the connecting portion 4, and a snap groove 13 is provided on the installation portion 5. The snap block 11 can pass through the snap hole 12 and be clamped in the snap groove 13, thereby restricting the dust suction connector 2 from detaching from the connecting portion 4. A pressing portion 9 is provided at the top end of the unlocking member 10. Pressing the pressing portion 9 can drive the snap block 11 to disengage from the snap groove 13. At this time, the dust suction connector 2 can be separated from the connecting handle 1; When in use, the user needs to first connect the dust suction connector 2 to the connecting handle 1. Since the installation portion 5 at the top end of the dust suction connector 2 can be connected to the connecting portion 4 on the connecting handle 1, when the user connects the installation portion 5 of the dust suction connector 2 to the connecting portion 4 of the connecting handle 1, the snap block 11 at the bottom end of the unlocking member 10 on the connecting portion 4 will then enter the snap groove 13 and enter a clamping state with the installation portion 5, restricting the separation of the connecting portion 4 and the installation portion 5, so that the dust suction connector 2 can be stably installed on the connecting handle 1. And at this time, one end of the dust suction pipe 7 will be inserted into the dust suction port 6 and communicated with the dust suction connecting pipe. And since the dust suction connecting pipe is arranged between the dust suction member 8 and the dust suction port 6 for communicating the dust suction member 8 and the dust suction port 6, and the dust suction port 6 is hollow, the dust suction member 8, the dust suction connecting pipe, and the dust suction pipe 7 are connected in communication. After the dust suction connector 2 and the connecting handle 1 are connected together, the user then connects the dust suction hose on the dust collection box to the connecting end 3 of the connecting handle 1, so that the dust suction hose is communicated with the dust suction pipe 7 inside the connecting handle 1. The dust collection box is a part of a common vacuum cleaner on the market for storing the dust inhaled by the dust suction gun. There is a dust suction motor in the dust collection box. When the dust suction motor starts to work, a negative pressure will be generated in the dust suction member 8, the dust suction connecting pipe, the dust suction pipe 7, and the dust suction hose to form air flow and pressure difference. Using the pressure difference and air flow, objects such as hair or dust will be sequentially passed through the dust suction member 8, the dust suction connecting pipe, the dust suction pipe 7, and the dust suction hose into the dust collection box. And a cleaning brush head can be connected to the dust suction member 8. The cleaning brush head is a cleaning brush head on a common car vacuum cleaner on the market.This cleaning brush head is composed of a brush body and bristles arranged on the brush body. There is a dust suction channel inside the brush body. When the user installs the cleaning brush head on the dust suction member 8, the internal dust suction channel of the brush body will communicate with the hollow dust suction member 8, so that dust, debris, hair, etc. can be smoothly sucked in. And the setting of the cleaning brush head enables the attachments that are difficult to be sucked in and attached to the ground to be smoothly sucked into the dust collection box after being cleaned by the bristles on the brush body, improving the cleaning effect. And the dust suction member 8 is snapped into the clamping groove 27 formed by two mounting plates 26 on the dust suction member 8 through the limiting platforms 25 symmetrically arranged on the inner wall of the dust suction joint 2, thus avoiding the situation that the dust suction member 8 falls out of the dust suction joint 2 and enabling the dust suction gun to be used normally. And compared with the dust suction guns of existing vacuum cleaners on the market, which are often integrally formed, when some components inside the dust suction gun are damaged, the entire dust suction gun cannot be used, and the user needs to replace the entire dust suction gun. However, the replacement cost of the entire dust suction gun is relatively high and it is easy to cause waste of resources. In the present utility model, when the components inside the connecting handle 1 or the dust suction joint 2 are damaged, since the unlocking member 10 is rotatably arranged on the connecting portion 4 and there is a pressing portion 9 at the top of the unlocking member 10, the user can press the pressing portion 9, so that the buckle block 11 at the bottom of the unlocking member 10 moves outwards, causing the buckle block 11 to disengage from the buckle groove 13 and releasing the clamping state between the dust suction joint 2 and the dust suction joint 2. At this time, the connecting portion 4 and the mounting portion 5 can be separated, so that the dust suction joint 2 can be detached from the connecting handle 1. When the components inside the connecting handle 1 are damaged, only the connecting handle 1 needs to be replaced separately. When the components inside the dust suction joint 2 are damaged, only the dust suction joint 2 needs to be replaced separately, without replacing the entire dust suction gun, which can avoid waste of resources and reduce the replacement cost.,

[0041] Preferably, the connecting portion 4 is symmetrically provided with shelf plates 14, the unlocking member 10 is arranged between the symmetric shelf plates 14, the shelf plates 14 are provided with rotation holes 15, both sides of the unlocking member 10 are provided with hinge columns 16, and the hinge columns 16 are arranged in the rotation holes 15; since both of the symmetric shelf plates 14 have rotation holes 15 and the hinge columns 16 on both sides of the unlocking member 10 are respectively arranged in the rotation holes 15 of the two shelf plates 14, the unlocking member 10 can rotate smoothly relative to the connecting portion 4, and the unlocking member 10 is arranged between the symmetric shelf plates 14, which can limit the random left - right movement of the unlocking member 10.

[0042] Preferably, a spring post 17 is further provided on the connecting portion 4. The spring post 17 corresponds to the position of the pressing portion 9. A limiting post 18 is provided on the inner side surface of the pressing portion 9. A return spring is provided between the limiting post 18 and the spring post 17. Two ends of the return spring are respectively sleeved on the limiting post 18 and the spring post 17. An abutting inclined surface 20 is formed on the lower surface of the buckle block 11. Two ends of the return spring are respectively sleeved on the spring post 17 of the connecting portion 4 and the limiting post 18 inside the pressing portion 9, so that the return spring can be held between the pressing portion 9 and the connecting portion 4. When the dust suction joint 2 is not connected to the connecting handle 1, under the action of the return spring, the buckle block 11 at the bottom end of the unlocking member 10 protrudes out of the buckle hole 12. And because the abutting inclined surface 20 is formed on the lower surface of the buckle block 11, when the user pushes the dust suction joint 2 upward with the installation portion 5 aligned with the connecting portion 4 of the connecting handle 1, first, the top end of the installation portion 5 will contact the abutting inclined surface 20. After continuing to push the dust suction joint 2 upward, the buckle block 11 will be pushed inward, so that the pressing portion 9 at the top end of the unlocking member 10 moves inward. The inward movement of the pressing portion 9 will cause the return spring to enter a compressed state. When the dust suction joint 2 moves upward to a certain position, at this time, the buckle groove 13 on the side surface of the installation portion 5 will correspond to the position of the buckle hole 12. At this time, the compressed return spring will push the pressing portion 9 outward, so that the buckle block 11 at the bottom end of the unlocking member 10 moves inward and protrudes out of the buckle hole 12 again and enters the buckle groove 13 to be clamped with the installation portion 5, thereby restricting the dust suction joint 2 from detaching from the connecting portion 4. And when the user wants to detach the dust suction joint 2 from the connecting handle 1, the user can press the pressing portion 9, so that the buckle block 11 detaches from the buckle hole 12 and the buckle groove 13. At this time, the dust suction joint 2 can be directly detached from the connecting handle 1, so that the dust suction joint 2 and the connecting handle 1 can be smoothly detached. When components in the dust suction joint 2 or the connecting handle 1 are damaged, only the dust suction joint 2 or the connecting handle 1 needs to be replaced. And this disassembly method is simple, fast and convenient, which is beneficial for the user to detach the dust suction joint 2 and the connecting handle 1.

[0043] Preferably, positioning posts 21 are provided on both the left and right sides of the suction pipe 7. Positioning grooves 22 are symmetrically provided at the top end of the installation portion 5. The positioning posts 21 can be arranged in the positioning grooves 22. An installation slot 23 is provided on the connecting portion 4. An installation insertion plate 24 is provided on the side surface of the installation portion 5. The installation insertion plate 24 can be arranged in the installation slot 23. When the user installs the dust suction joint 2, only need to align the two positioning posts 21 on the left and right of the suction pipe 7 with the two positioning grooves 22 at the top end of the installation portion 5 and then push the dust suction joint 2. At the same time, the installation insertion plate 24 on the side surface of the installation portion 5 will also be inserted into the installation slot 23 of the connecting portion 4. At this time, the buckle block 11 at the bottom end of the unlocking member 10 will enter the buckle groove 13 to enter a clamped state with the dust suction joint 2, so that the dust suction joint 2 can be quickly installed on the connecting handle 1, and the connection between the dust suction joint 2 and the connecting handle 1 is more stable and firm.

[0044] Preferably, an installation pipe 28 is further provided inside the dust suction connector 2. The top end of the installation pipe 28 is connected to the dust suction port 6. The inner wall of the installation pipe 28 is provided with a first internal thread 29. The outer wall of the top end of the dust suction connecting pipe is provided with a first external thread matching the first internal thread 29. The top end of the dust suction connecting pipe is arranged inside the installation pipe 28 and is threadedly connected to the installation pipe 28. The top end of the dust suction member 8 is provided with a fixing portion 30. A through hole 31 is formed in the fixing portion 30. A second internal thread 32 is provided inside the through hole 31. The outer wall of the bottom end of the dust suction connecting pipe is provided with a second external thread matching the second internal thread 32. The bottom end of the dust suction connecting pipe is arranged inside the through hole 31 and is threadedly connected to the connecting portion 4. Since the first external thread on the outer wall of the top end of the dust suction connecting pipe matches the first internal thread 29 on the inner wall of the installation pipe 28, the top end of the dust suction connecting pipe can be threadedly connected to the installation pipe 28. And there is a second internal thread 32 on the inner wall of the through hole 31 of the fixing portion 30 at the top end of the dust suction member 8, and the second external thread on the outer wall of the bottom end of the dust suction connecting pipe matches the second internal thread 32, so that the dust suction connecting pipe can be smoothly threadedly connected to the fixing portion 30 at the top end of the dust suction member 8, restricting the movement of the dust suction connecting pipe inside the dust suction connector 2, ensuring that the dust suction member 8 and the dust suction connecting pipe are always connected, and enabling the dust suction gun to smoothly suck dust or hair into the dust collection box.

[0045] Preferably, the dust suction connector 2 includes a left outer shell 33 and a right outer shell 34. An installation space 35 is formed between the left outer shell 33 and the right outer shell 34. The connecting portion 4 is connected to the left outer shell 33 and the right outer shell 34. The dust suction member 8, the installation pipe 28 and the dust suction connecting pipe are all arranged inside the installation space 35. The inner walls of both the left outer shell 33 and the right outer shell 34 are provided with limiting hole columns 36. Both sides of the installation pipe 28 are provided with installation columns 37. The installation columns 37 are arranged inside the limiting hole columns 36 and are connected to the limiting hole columns 36. The installation pipe 28 is respectively arranged inside the limiting hole columns 36 on the inner wall of the left outer shell 33 and the limiting hole columns 36 on the inner wall of the right outer shell 34 through the installation columns 37 on both sides, so that the installation pipe 28 can be smoothly fixed and installed inside the installation space 35 formed by the left outer shell 33 and the right outer shell 34, preventing the installation pipe 28 from moving randomly inside the installation space 35 and affecting the normal use of the dust suction gun.

[0046] Preferably, the limiting platform 25 includes a connecting block 38 formed on the inner wall of the left housing 33 and a connecting plate 39 formed on the inner wall of the right housing 34. A connecting groove 40 is formed on the connecting block 38, and the connecting plate 39 is arranged in the connecting groove 40. When the left housing 33 and the right housing 34 are connected together, at this time, the connecting plate 39 on the inner wall of the right housing 34 will be inserted into the connecting groove 40 of the connecting block 38 on the inner wall of the left housing 33 to form the limiting platform 25, and the limiting platform 25 is arranged in the clamping groove 27 on the dust suction member 8, so that the dust suction member 8 can be stably installed in the clamping groove 27 of the dust suction member 8, avoiding the situation that the dust suction member 8 falls out of the dust suction joint 2.

[0047] The above embodiments are only the preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A detachable vacuum gun, comprising a connecting handle (1) and a vacuum connector (2) arranged on the connecting handle (1), characterized in that: The connecting handle (1) is provided with a connecting end (3) which can be connected to a dust suction hose, the connecting handle (1) is provided with a connecting portion (4), the top end of the dust suction connector (2) is provided with a mounting portion (5), the mounting portion (5) can be connected to the connecting portion (4), the mounting portion (5) is provided with a dust suction port (6), a dust suction pipe (7) is provided in the connecting handle (1), one end of the dust suction pipe (7) passes through the connecting portion (4) and is arranged outside the connecting handle (1), a hollow dust suction piece (8) is provided in the bottom of the dust suction connector (2), a cleaning brush head can be connected to the dust suction piece (8), a dust suction connecting pipe is connected between the dust suction piece (8) and the dust suction port (6), after the dust suction connector (2) is connected to the connecting portion (4), one end of the dust suction pipe (7) is inserted into the dust suction port (6) and communicates with the dust suction connecting pipe, and the inner wall of the dust suction connector (2) is symmetrically provided with a limit platform (25), the dust collecting member (8) is symmetrically formed with mounting plates (26), a snap-fitting groove (27) is formed between the symmetrical mounting plates (26), the limiting platform (25) is arranged in the snap-fitting groove (27) and snap-fitted with the dust collecting member (8), an unlocking member (10) is rotatably provided on the connecting portion (4), a snap-fitting block (11) is provided at the bottom end of the unlocking member (10), a snap-fitting hole (12) is provided on the connecting portion (4), a snap-fitting groove (13) is provided on the mounting portion (5), the snap-fitting block (11) can pass through the snap-fitting hole (12) and be snapped in the snap-fitting groove (13), thereby limiting the dust collecting connector (2) from being separated from the connecting portion (4), the top pressing portion (9) of the unlocking member (10), pressing the pressing portion (9) can drive the snap-fitting block (11) to be separated from the snap-fitting groove (13), and at this time, the dust collecting connector (2) can be separated from the connecting handle (1).

2. A detachable vacuum gun according to claim 1, characterized in that: The connecting portion (4) is symmetrically provided with frame plates (14), the unlocking member (10) is arranged between the symmetrical frame plates (14), a rotating hole (15) is opened on the frame plates (14), and hinge columns (16) are arranged on both sides of the unlocking member (10), and the hinge columns (16) are arranged in the rotating holes (15).

3. The detachable vacuum gun according to claim 1, characterized in that: The connecting portion (4) is also provided with a spring column (17), the position of the spring column (17) corresponds to the position of the pressing portion (9), the inner side surface of the pressing portion (9) is provided with a limiting column (18), a return spring is provided between the limiting column (18) and the spring column (17), the two ends of the return spring are respectively sleeved on the limiting column (18) and the spring column (17), and the lower surface of the buckle block (11) is formed with an abutting inclined surface (20).

4. The detachable vacuum gun according to claim 1, characterized in that: The left and right sides of the dust suction pipe (7) are both provided with positioning columns (21); the top of the mounting portion (5) is symmetrically provided with positioning grooves (22); the positioning columns (21) can be arranged in the positioning grooves (22); the connecting portion (4) is provided with a mounting slot (23); the side of the mounting portion (5) is provided with a mounting plug plate (24); the mounting plug plate (24) can be arranged in the mounting slot (23).

5. A detachable vacuum gun according to any one of claims 1 to 3, characterized in that: The dust suction connector (2) is also provided with a mounting tube (28), the top end of the mounting tube (28) is connected to the dust suction port (6), the inner wall of the mounting tube (28) is provided with a first internal thread (29), the outer wall of the top end of the dust suction connection tube is provided with a first external thread matching the first internal thread (29), the top end of the dust suction connection tube is arranged in the mounting tube (28) and is threadedly connected to the mounting tube (28), the top end of the dust suction connection tube is provided with a fixing portion (30), the fixing portion (30) is provided with a through hole (31), the through hole (31) is provided with a second internal thread (32), the outer wall of the bottom end of the dust suction connection tube is provided with a second external thread matching the second internal thread (32), the bottom end of the dust suction connection tube is arranged in the through hole (31) and is threadedly connected to the connection portion (4).

6. The detachable vacuum gun according to claim 5, characterized in that: The dust suction connector (2) comprises a left outer shell (33) and a right outer shell (34); an installation space (35) is formed between the left outer shell (33) and the right outer shell (34); the connecting portion (4) is connected to the left outer shell (33) and the right outer shell (34); the dust suction component (8), the installation pipe (28) and the dust suction connection pipe are all arranged in the installation space (35); the inner walls of the left outer shell (33) and the right outer shell (34) are both provided with position-limiting hole columns (36); both sides of the installation pipe (28) are provided with installation columns (37); the installation columns (37) are arranged in the position-limiting hole columns (36) and are connected to the position-limiting hole columns (36).

7. The detachable vacuum gun according to claim 6, characterized in that: The limiting platform (25) comprises a connecting block (38) formed on the inner wall of the left outer shell (33) and a connecting plate (39) formed on the inner wall of the right outer shell (34); a connecting groove (40) is formed on the connecting block (38), and the connecting plate (39) is arranged in the connecting groove (40).

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