Dust collector cleaning head convenient to install

Abstract

The dust collector cleaning head convenient to install comprises a connecting pipe, a supporting rod, limiting blocks, limiting rods and a sliding rod, the supporting rod is installed on the top of the connecting pipe, the top of the supporting rod is installed on the limiting blocks, the two limiting blocks are distributed on the top of the connecting pipe, the limiting blocks are in an arc shape, and the sliding rod is arranged on the connecting pipe. A limiting rod is installed on the top of the limiting block, the limiting rod and the limiting block are fixedly connected, a sliding rod is installed at the bottom of the limiting block, and the sliding rod and the limiting block are in a sliding relation. According to the dust collector cleaning head convenient to install, the limiting block is arranged, the connecting pipe and the fixing pipe are connected through clamping of the limiting block and the inserting groove, the position of the limiting block can be fixed through rotating operation of the connecting pipe, and the stability of connection between the connecting pipe and the fixing pipe is improved; the cleaning head mounting and dismounting difficulty of the device is reduced, and the cleaning head replacement and mounting convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum cleaners, in particular to a vacuum cleaner cleaning head which is easy to install. Background Art

[0002] A vacuum cleaner is a device that uses a gas pump to create a partial vacuum, generate suction and suck up dust from the floor or other locations. It can be divided into vertical, horizontal and portable types according to its structure. The basic structure of a vacuum cleaner is divided into five parts according to its function: power part: vacuum cleaner motor and speed regulator, filtering system: dust bag, front filter, rear filter; functional part: retracting and releasing line mechanism, dust full indicator, button or sliding switch; protective measures: dust bagless protection, high vacuum protection, anti-interference protection (soft start), overheating protection, anti-static protection; accessories: handle and hose, connecting pipe, floor brush, flat suction, round brush, bed sheet brush, sofa suction, hook, strap, etc. Cleaning heads such as flat suction and sofa suction can be replaced and used as needed, and the existing cleaning heads for vacuum cleaners are mostly installed on the connecting pipe by contact friction. In order to prevent the cleaning head from falling off, it is necessary to use a large force to squeeze and dock during installation, which makes it inconvenient to disassemble the cleaning head and is not conducive to replacing and installing the cleaning head. In addition, the connection by contact friction is easy to cause unstable installation of the cleaning head.

[0003] Therefore we propose a vacuum cleaner cleaning head that is easy to install, so as to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a vacuum cleaner cleaning head that is easy to install, so as to solve the problem that the existing vacuum cleaner cleaning heads on the market are mostly installed on the connecting pipe by contact friction. In order to prevent the cleaning head from falling off, a large force is needed to squeeze and connect it during installation, which makes it inconvenient to disassemble the cleaning head and is not conducive to replacing and installing the cleaning head. In addition, the connection by contact friction can easily cause the cleaning head to be unstable in installation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum cleaner cleaning head that is easy to install, comprising a connecting tube, a support rod, a limit block, a limit rod and a sliding rod, wherein a support rod is installed on the top of the connecting tube, and the top of the support rod is installed on the limit block, and two limit blocks are distributed on the top of the connecting tube, and the limit block is arc-shaped, and a limit rod is installed on the top of the limit block, and the limit rod and the limit block are fixedly connected, and a sliding rod is installed on the bottom of the limit block, and the sliding rod and the limit block are in a sliding relationship, and the sliding rod is a telescopic structure on the limit block through a spring, so that the sliding rod can be retracted into the limit block, and the telescopic distance of the sliding rod is greater than the height of the limit rod, and the length of the sliding rod is less than the height of the support rod.

[0006] Preferably, the connecting tube is connected to a fixed tube, the outer diameter of the fixed tube is equal to the outer diameter of the connecting tube, the connecting tube and the fixed tube are connected by a limit block, a threaded tube is installed on the top of the fixed tube, and threads are provided on the outside of the threaded tube.

[0007] Preferably, a dust suction plate is installed at the bottom of the connecting pipe, and the dust suction area is expanded by the dust suction plate. A central hole is opened inside the connecting pipe, and ventilation is performed through the central hole.

[0008] Preferably, an insertion groove is provided at the bottom of the fixing tube, the bottom width of the insertion groove is equal to the width of the limiting block, and the top width of the insertion groove is greater than the width of the limiting block.

[0009] Preferably, a buffer groove is provided at the top of the insertion groove, the left end of the buffer groove is located on the upper side of the insertion groove opening, the depth of the buffer groove is equal to the height of the limiting rod, and the right end of the buffer groove is located on the right side of the insertion groove opening.

[0010] Preferably, a limiting groove is provided at the top of the insertion groove, the limiting groove is located on the right side of the buffer groove, and the depth of the limiting groove is equal to the length of the limiting rod, so that the limiting rod can move into the limiting groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the vacuum cleaner head which is easy to install,

[0012] (1) A limit block is provided, and the connecting pipe and the fixed pipe are connected by engaging the limit block with the insertion groove. The position of the limit block can be fixed by rotating the connecting pipe, thereby increasing the stability of the connection between the connecting pipe and the fixed pipe, reducing the difficulty of installing and disassembling the cleaning head of the device, and improving the convenience of replacing and installing the cleaning head;

[0013] (2) A sliding rod is provided. Through the telescopic ability of the sliding rod, the limit rod can be pushed into the limit groove, and then the limit rod is used to prevent the limit block from rotating left and right, thereby increasing the connection strength of the limit block, preventing loosening between the connecting pipe and the fixed pipe, preventing the cleaning head from falling off, and increasing the stability of the cleaning head installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the vertical section structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a side view of the structure of the utility model;

[0018] Figure 5 For this utility model Figure 4 The enlarged structural diagram at B in the middle;

[0019] Figure 6 This is a schematic diagram of the top view of the connecting pipe of the utility model.

[0020] In the figure: 1. connecting pipe; 2. supporting rod; 3. limiting block; 4. limiting rod; 5. sliding rod; 6. fixing pipe; 7. dust collecting plate; 8. center hole; 9. insertion groove; 10. buffer groove; 11. limiting groove; 12. threaded pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides a technical solution: a vacuum cleaner cleaning head that is easy to install, comprising a connecting tube 1, a support rod 2, a limit block 3, a limit rod 4, a sliding rod 5, a fixed tube 6, a dust suction plate 7, a center hole 8, an insertion groove 9, a buffer groove 10, a limit groove 11 and a threaded tube 12. A support rod 2 is installed on the top of the connecting tube 1, and the top of the support rod 2 is installed on the limit block 3. There are two limit blocks 3 distributed on the top of the connecting tube 1. The limit block 3 is arc-shaped, and a limit rod 4 is installed on the top of the limit block 3. The limit rod 4 and the limit block 3 are fixedly connected. A sliding rod 5 is installed at the bottom of the limit block 3. The sliding rod 5 and the limit block 3 are in a sliding relationship, and the sliding rod 5 is a telescopic structure on the limit block 3 through a spring, so that the sliding rod 5 can be retracted into the limit block 3. The telescopic distance of the sliding rod 5 is greater than the height of the limit rod 4, and the length of the sliding rod 5 is less than the height of the support rod 2.

[0023] A fixed tube 6 is connected to the connecting tube 1, and the outer diameter of the fixed tube 6 is equal to the outer diameter of the connecting tube 1. The connecting tube 1 and the fixed tube 6 are snap-connected by a limit block 3. A threaded tube 12 is installed on the top of the fixed tube 6, and threads are provided on the outer side of the threaded tube 12 to facilitate the installation of the fixed tube 6.

[0024] A dust collecting plate 7 is installed at the bottom of the connecting pipe 1 to expand the dust collecting area. A central hole 8 is opened inside the connecting pipe 1 to allow ventilation.

[0025] An insertion slot 9 is provided at the bottom of the fixing tube 6 , the bottom width of the insertion slot 9 is equal to the width of the limiting block 3 , and the top width of the insertion slot 9 is greater than the width of the limiting block 3 , so that the limiting block 3 can slide left and right in the insertion slot 9 .

[0026] A buffer groove 10 is provided at the top of the insertion groove 9, the left end of the buffer groove 10 is located on the upper side of the opening of the insertion groove 9, and the depth of the buffer groove 10 is equal to the height of the limiting rod 4, and the right end of the buffer groove 10 is located on the right side of the opening of the insertion groove 9, so that the limiting rod 4 can move left and right in the buffer groove 10.

[0027] A limiting groove 11 is provided at the top of the insertion groove 9 . The limiting groove 11 is located on the right side of the buffer groove 10 . The depth of the limiting groove 11 is equal to the length of the limiting rod 4 , so that the limiting rod 4 can move into the limiting groove 11 .

[0028] Working principle: When using the easy-to-install vacuum cleaner cleaning head, first install the fixed tube 6 on the suction pipe of the vacuum cleaner through the threaded tube 12, and then install the connecting tube 1 on the fixed tube 6 through the limit block 3. Different types of connecting tubes 1 can be replaced in this way to meet the needs of vacuuming in different positions. During installation, the limit block 3 can be inserted into the insertion groove 9 at the bottom of the fixed tube 6, so that the limit rod 4 on the top of the limit block 3 is moved to the buffer groove 10.

[0029] Then rotate the connecting tube 1 so that the connecting tube 1 drives the limit block 3 to rotate through the support rod 2, so that the limit block 3 drives the limit rod 4 to move to the right side of the buffer groove 10, and at the same time, the limit block 3 drives the bottom sliding rod 5 to move to the bottom plate of the insertion groove 9, and then pull the connecting tube 1 downward, so that the connecting tube 1 drives the limit block 3 to descend in the insertion groove 9 through the support rod 2, so that the limit block 3 drives the sliding rod 5 to contact with the bottom plate of the insertion groove 9, so that the bottom plate of the insertion groove 9 pushes the sliding rod 5 to shrink, so that the sliding rod 5 shrinks to a part of the limit block 3, and at the same time, the limit block 3 drives the limit rod 4 moves out of the buffer groove 10, and then rotates the connecting pipe 1 to the right, so that the connecting pipe 1 drives the limiting block 3 to rotate to the right, so that the limiting block 3 drives the limiting rod 4 to move to the bottom of the limiting groove 11, and loosens the connecting pipe 1, so that the limiting block 3 moves upward through the telescopic property of the sliding rod 5, so that the sliding rod 5 pushes the limiting rod 4 on the limiting block 3 to move into the limiting groove 11, and the position of the limiting block 3 is fixed by the limiting rod 4, and then the connecting pipe 1 is installed on the fixing pipe 6, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vacuum cleaner cleaning head that is easy to install, comprising a connecting pipe (1), a support rod (2), a limit block (3), a limit rod (4) and a sliding rod (5), characterized in that: A support rod (2) is installed at the top of the connecting tube (1), and the top of the support rod (2) is installed on a limit block (3). Two limit blocks (3) are distributed on the top of the connecting tube (1). The limit block (3) is arc-shaped. A limit rod (4) is installed on the top of the limit block (3). The limit rod (4) and the limit block (3) are fixedly connected. A sliding rod (5) is installed at the bottom of the limit block (3). The sliding rod (5) and the limit block (3) are in a sliding relationship. The sliding rod (5) is a telescopic structure on the limit block (3) through a spring, so that the sliding rod (5) can be retracted into the limit block (3). The telescopic distance of the sliding rod (5) is greater than the height of the limit rod (4), and the length of the sliding rod (5) is less than the height of the support rod (2).

2. A vacuum cleaner head that is easy to install according to claim 1, characterized in that: The connecting pipe (1) is connected to a fixing pipe (6), the outer diameter of the fixing pipe (6) being equal to the outer diameter of the connecting pipe (1), the connecting pipe (1) and the fixing pipe (6) being snap-connected via a stopper (3), a threaded pipe (12) being installed on the top of the fixing pipe (6), the outer side of the threaded pipe (12) being provided with threads.

3. The easy-to-install vacuum cleaner cleaning head according to claim 1, characterized in that: A dust suction plate (7) is installed at the bottom of the connecting pipe (1), and the dust suction area is expanded by the dust suction plate (7). A central hole (8) is opened inside the connecting pipe (1), and ventilation is carried out through the central hole (8).

4. The easy-to-install vacuum cleaner cleaning head according to claim 2, characterized in that: An insertion groove (9) is provided at the bottom of the fixing tube (6), the bottom width of the insertion groove (9) is equal to the width of the limiting block (3), and the top width of the insertion groove (9) is greater than the width of the limiting block (3).

5. The easy-to-install vacuum cleaner cleaning head according to claim 4, characterized in that: A buffer groove (10) is provided at the top of the insertion groove (9), the left end of the buffer groove (10) is located on the upper side of the opening of the insertion groove (9), the depth of the buffer groove (10) is equal to the height of the limiting rod (4), and the right end of the buffer groove (10) is located on the right side of the opening of the insertion groove (9).

6. The easy-to-install cleaning head for a vacuum cleaner according to claim 4, characterized in that: A limiting groove (11) is provided at the top of the insertion groove (9), the limiting groove (11) is located on the right side of the buffer groove (10), and the depth of the limiting groove (11) is equal to the length of the limiting rod (4), so that the limiting rod (4) can move into the limiting groove (11).

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