WO2020186793A1

WO2020186793A1 - Multi-functional brush

Info

Publication number: WO2020186793A1
Application number: PCT/CN2019/118610
Authority: WO
Inventors: 宓守强
Original assignee: 宁波恩邦工具有限公司
Priority date: 2019-10-21
Filing date: 2019-11-14
Publication date: 2020-09-24
Also published as: DE202020104341U1; CN110558712A

Abstract

A multi-functional brush, comprising a body (1) having a housing structure, a power apparatus, a replaceable brush part, and a rapid disassembly and locking apparatus. The power apparatus is arranged inside of the body (1). The rapid disassembly and locking apparatus comprises a rapid disassembly and locking block (6) and a fastening ring (7) provided and fastened to the inside of the body (1). The outer circumference of the rapid disassembly and locking block (6) and the inner wall of the fastening ring (7) are detachably snapped together. One end of the replaceable brush part and an output end of the power apparatus are detachably plugged together, and the other end of the replaceable brush part and the rapid disassembly and locking block (6) are detachably plugged together. The replaceable brush part of the multi-functional brush can be rapidly replaced according to different requirements, and the assembly and disassembly of the replaceable brush part are quick and convenient. The two ends thereof can be plugged and connected, and the rapid disassembly and locking block having a small volume only needed to be snapped together with the fastening ring provided inside of the body (1). The present invention comprises few parts that do not easily go missing, thus truly implementing multi-functions of one machine.

Description

A multifunctional brush

Technical field

The invention relates to a multifunctional brush which can realize its function by replacing the brush head. The multifunctional brush is used for cleaning floor tiles, roads, lawns and the like.

Background technique

Nowadays, sidewalks in cities are generally paved with sidewalk bricks. There are often mud and weeds growing in the cracks of sidewalk bricks. The existing removal method is manual pulling or machine cutting. This method can only remove debris. Weeds in the cracks cannot be eradicated and will grow out quickly, which will affect the beauty of the road and pedestrians’ views; and it is generally used for removal. The machine can only be used for mowing. If the road surface or artificial lawn needs to be cleaned, other tools need to be used. For the cleaners, bringing multiple tools is also a burden. At present, there are also multifunctional brushes with replaceable brush heads on the market. One is a single-arm type. The replaceable brush head has only one fixed head, and the center of gravity is not stable enough to operate, which affects the cleaning effect; the other is a double-arm type. The problem of instability of the center of gravity is solved, but when replacing the replaceable brush head, the arms need to be disassembled and replaced as a whole. There are many parts, it is inconvenient to carry, easy to lose, and the structure is complicated.

Summary of the invention

The technical problem to be solved by the present invention is to provide a multifunctional brush with a simple structure and convenient brush head replacement.

To solve the above technical problems, the present invention discloses one more

The multifunctional brush is characterized in that it includes a body with a shell structure, a power device, a replaceable brush head, and a quick release quick lock device. The power device is arranged in the body. The quick release quick lock device includes a quick release quick lock block and The clamping ring is set and fixed in the body. The outer periphery of the quick-release quick lock block and the inner wall of the clamping ring are detachably clamping. One end of the replaceable brush head can be detachably plugged into the output end of the power unit, and the other end Removable plug-in connection with the plug-in end of the quick-release quick-lock block.

Further, the two ends of the replaceable brush head are plug-in female heads, and the output end of the power unit and the plug-in end of the quick-release quick lock block are plug-in male heads whose shapes and sizes fit the plug-in female heads.

Further, the cross-sections of the female plug and the male plug are regular hexagons.

Further, the quick release and quick lock block includes a rotatable second driven shaft arranged in the locking ring, one end of the second driven shaft is a plug connector that can be plugged into the replaceable brush head, and the plug The end is located outside the locking ring; the outer periphery of the locking ring is provided with a number of raised locking heads, and the inner wall of the locking ring is provided with raised parts, and the number and positions of the raised parts correspond to the locking heads The clamping groove includes an axial groove with an opening at the top and a circumferential groove communicating with the bottom of the axial groove.

Further, the locking ring includes a front section, a middle section and a tail section in sequence. A knob is sleeved on the tail section. The outer diameter of the middle section is larger than that of the front section and the tail section to form a convex ring. The clamping head is arranged at the outer periphery of the middle section near the knob. ; A fixing strip is arranged on the axial direction of the tail section, and the knob is fixed with the fixing strip; a spring is fixed between the knob and the inner end of the second driven shaft, and the knob can move along the axial direction of the tail section, but The clamped strip is clamped and cannot rotate relative to the locking ring. The clamping head enters from the opening of the axial groove, and after reaching the bottom, it enters into the circumferential groove to be fixed by rotating the knob.

Further, a plurality of blocking blocks are arranged on the side of the middle section, and the blocking blocks are wound around the outer periphery of the tail section.

Further, a number of raised clamping heads are provided on the outer circumference of the knob, and the position of the clamping head is staggered from the position of the clamping head provided on the outer circumference of the locking ring; and the inner wall of the clamping ring is provided with a stepped shape. Two protrusions, each protrusion is provided with a locking groove corresponding to the position and number of the locking head provided on the outer circumference of the locking ring and the outer circumference of the knob, and between the locking grooves on the two protrusions The axial distance is smaller than the axial distance between the locking ring and the locking head on the knob when the spring is relaxed.

Further, for the locking groove corresponding to the locking head on the outer circumference of the knob, the top of the circumferential groove is provided with an anti-drop protrusion on the side close to the axial groove.

Further, the replaceable brush head is a large-bristle brush, which includes a large-bristle brush shaft and large bristles distributed on the outer surface of the large-bristle brush shaft. Both ends of the large-bristle brush shaft are provided with inserting slots. Connect the female head. The large bristles are made of nylon thread long bristles or nylon thread long and short bristles, that is, the large bristles are made of nylon thread.

Further, the replaceable brush head is a brush head assembly, the brush head assembly includes a component brush shaft, a wheel-shaped small brush and a wheel are respectively fixed at both ends of the component brush shaft, and the small brush shaft is provided with The brush fixing ring is provided with a wheel fixing ring on the outer side of the wheel, and the brush fixing ring and the outer side of the wheel fixing ring are both provided with an insertion groove, which is a female plug. The small brushes are steel wire brushes and nylon wire brushes, that is, the bristles used in the small brushes are made of steel wire or nylon wire to meet different cleaning requirements.

To facilitate rotation, a knob handle is provided on the outer side of the knob to facilitate hand-holding, and after the quick release and quick lock block is buckled to the fixing ring, the knob handle position does not protrude outside the fixing ring to prevent influence on use.

In order to prevent the cleaned debris from splashing, the present invention is also provided with a cover above the replaceable brush head, and the cover is fixed to the body.

The multifunctional brush of the present invention is designed with a quick-release and quick-lock structure for replaceable brush heads, and its installation and disassembly are very convenient and quick. The two ends of the replaceable brush head adopt the form of plug-in connection, and the small-sized quick-release quick lock is adopted. The block can be buckled with the retaining ring arranged in the body, with few parts and not easy to lose. The replaceable brush heads can be replaced according to different needs. The brush head components and large brushes with different structures can be used respectively. When the small brush head component is a wire brush, it is suitable for removing weeds and sinks between the sidewalk tiles. When the bottom soil is a nylon wire brush, it is suitable for cleaning the debris between the sidewalk tiles and the soil on the sinking bottom. The large brush is suitable for cleaning artificial lawns, pavements or the ground, so that one machine can be used for multiple purposes.

Description of the drawings

Figure 1 is a schematic diagram of the external structure of the utility model when the replaceable brush head and the quick-release quick-lock block are not installed;

Figure 2 is a schematic diagram of the structure of the retaining ring of the quick release and quick lock device;

Figure 3 is a schematic diagram of another structure of the retaining ring of the quick release and quick lock device;

Figure 4 is a schematic diagram of the three-dimensional structure of the quick release and quick lock block;

Figure 5 is a three-dimensional schematic diagram of the quick release and quick lock block from another angle;

Figure 6 is a schematic sectional view of the quick release and quick lock block;

Figure 7 is a schematic diagram of the structure of a large brush;

Figure 8 is a schematic diagram of the structure of the brush head assembly;

Figure 9 is a schematic diagram of the connection between the replaceable brush head and the power unit and the quick lock block when a large brush is used;

10 is a schematic cross-sectional structure diagram of FIG. 9;

Fig. 11 is a schematic cross-sectional structure diagram after replacing the large hair brush in Fig. 9 with a brush head assembly;

Figure 12 is a schematic diagram of the appearance structure after installing the large brush;

Fig. 13 is a schematic diagram of the appearance structure after installing the brush head assembly.

Marked in the figure, 1-body; 1.1-horizontal part; 1.2-fixed arm; 2-motor assembly; 2.1-motor output shaft; 3-transmission mechanism; 3.1-driving gear; 3.2-large gear shaft; 3.3-bearing; 3.4-bearing; 3.5-pinion gear; 3.6-belt; 3.7-driven large gear; 3.8-first driven shaft assembly; 3.8.3-first driven shaft plug connector; 3.9-bearing; 3.10-bearing; 4 -Big brush; 4.1-Big bristles; 4.2-Big brush shaft; 5-Brush head assembly; 5.1-Small brush; 5.2-Component brush shaft; 5.3-wheels; 5.4-brush fixing ring; 5.5-wheel fixing ring; 5.6 -Bearing; 6-Quick release quick lock block; 6.1-second driven shaft; 6.1.1-second driven shaft plug connector; 6.2-spring; 6.3-knob; 6.3.1-knob handle; 6.3.2- Spring fixed column; 6.4-bearing; 6.5-bearing; 6.6-locking ring; 6.6.1-front section; 6.6.2-middle section; 6.6.3-tail section; 6.6.4-blocking block; 6.6.5-pin Article; 6.7- Clamping head; 7- Clamping ring; 7.1- Clamping groove; 7.1.1- Axial groove; 7.1.2-Circumferential groove; 7.2- Anti-falling protrusion; 7.3- Retaining ring; 8- cover.

detailed description

In the following, the content of the present invention will be described in more detail with reference to the embodiments. The implementation of the present invention is not limited to the following embodiments, and any modifications or changes made to the present invention should fall within the protection scope of the present invention.

Example 1:

The multifunctional brush of the present invention includes a body 1, a power device, a replaceable brush head, and a quick-release quick lock device with a shell structure. The power device is arranged in the body 1, and the quick-release quick lock device includes a quick-release quick lock block 6 and the retaining ring 7 arranged and fixed in the body. The outer periphery of the quick-release quick-locking block 6 and the inner wall of the retaining ring 7 are detachably clamped, and one end of the replaceable brush head is detachable from the output end of the power unit Insertion, the other end is detachably inserted into the insertion end of the quick release quick lock block 6.

The main body 1 is shown in Figure 1, and includes a transverse portion 1.1 and fixed arms 1.2 arranged on both sides of the transverse portion 1.1. The power device includes a motor assembly 2 arranged in the transverse portion 1.1. The motor output end 2.1 and the driving mechanism 3 The large gear 3.1 meshes, and the transmission mechanism 3 also includes a small gear 3.5, a belt 3.6 and a driven large gear 3.7. The driving large gear 3.1 and the small gear 3.5 are fixed on the large gear shaft 3.2, and the belt 3.6 is sleeved on the small gear 3.5 And the driven large gear 3.7, the driven large gear 3.7 is fixed on the first driven shaft 3.8. The transmission mechanism 3 is located in the fixed arm 1.2 on one side, and a through hole is opened near the end of the fixed arm 1.2 on the other side, and a clamping ring 7 is installed in the through hole. The output end of the first driven shaft 3.8 is the final output end of the power plant, and a plug connector is provided. The large gear shaft 3.2 is fixed in the body 1 through bearings 3.3 and 3.4, and the first driven shaft 3.8 is fixed in the body 1 through bearings 3.9 and 3.10. The structure of the power plant and the transmission mechanism 3 is shown with reference to Figs. 8-10.

The quick release and quick lock block 6 is shown in Figure 3-6, and includes a second driven shaft 6.1 supported in a locking ring 6.6 through bearings 6.4 and 6.5. One end of the second driven shaft 6.1 is a plug-in end The other end of the plug connector is sealed in the locking ring 6.6 through the knob 6.3, which is the inner end; the locking ring 6.6 includes the front section 6.6.1, the middle section 6.6.2 and the tail section 6.6.3 in turn. The knob 6.3 is set in On the tail section 6.6.3, the outer diameter of the middle section 6.6.2 is larger than that of the front section 6.6.1 and the tail section 6.6.3, forming a raised ring, which is set on the outer periphery of the middle section 6.6.2, which is close to the knob 6.3 There are several clamping heads 6.7; two clamping strips 6.6.5 are arranged in the axial direction of the tail section 6.6.3, the clamping strip 6.6.5 is connected with the middle section 6.6.2 as a whole, and the knob 6.3 is connected to the clamping Article 6.6.5 is fastened so that when the knob 6.3 is rotated, the locking ring 6.6 can be driven to rotate; inside the knob 6.3 is provided a spring fixing column 6.3.2 that is sleeved with the spring 6.2, and the other end of the spring 6.2 is connected to the second driven shaft 6.1 The inner end is fastened, and the knob 6.3 is movable in the axial direction of the tail section 6.6.3. A number of blocking blocks 6.6.4 are also arranged on the side of the convex ring of the middle section 6.6.2, and the blocking blocks 6.6.4 are wound around the outer circumference of the tail section 6.6.3. A number of clamping heads 6.7 are also provided on the outer circumference of the knob 6.3, and the position of the clamping head 6.7 is staggered from the position of the clamping head 6.7 provided on the outer circumference of the locking ring 6.6. In order to cooperate with the buckling of the clamping head 6.7, two stepped protrusions are provided on the inner wall of the clamping ring 7, and each protrusion is provided with a clamping ring arranged on the outer periphery of the locking ring 6.6 and the outer periphery of the knob 6.3. The position and number of the fixing head 6.7 correspond to the fixing grooves 7.1, and the axial distance between the fixing grooves 7.1 on the two protrusions is less than the difference between the locking ring 6.6 in the relaxed state of the spring 6.2 and the fixing head 6.7 on the knob 6.3 The axial distance between. Each of the securing grooves 7.1 includes an axial groove 7.1.1 with an opening at the top, and a circumferential groove 7.1.2 connecting the bottom of the axial groove 7.1.1. In order to enable the quick release and quick lock block 6 to be better secured with the securing ring 7, the top of the circumferential slot 7.1.2 is close to the axial direction in the securing groove 7.1 corresponding to the securing head 6.7 on the outer periphery of the knob 6.3 An anti-falling protrusion 7.2 is provided on one side of the groove 7.1.1, and the structure of the clamping ring 7 is shown in Figure 2 and Figure 3.

The clamping head 6.7 enters from the opening of the axial groove 7.1.1, and after reaching the bottom, it enters into the circumferential groove 7.1.2 and is fixed in the circumferential groove 7.1.2. The clamping head 6.7 on the outer periphery of the knob 6.3 is also blocked by the anti-falling protrusion 7.2 to be fixed. There are 4 fixing heads 6.7 for each layer, corresponding to 4 fixing grooves 7.1 on each of the two steps on the two fixing rings 7.

The replaceable brush head is fixed by plugging in the form of plug male and plug female heads. Both ends of the replaceable brush head are provided with plug slots, which are plug sockets. A first driven shaft plug connector 3.8.1 is provided on the output end of the first driven shaft 3.8, and a second driven shaft plug connector 6.1.1 is provided on the plug end of the second driven shaft 6.1, which is a plug Connect to the male connector and connect with the female connector. The cross-sections of the female plug and the male plug are regular hexagons.

In order to facilitate turning, the knob handle 6.3.1 is provided on the outside of the knob 6.3, which is convenient to hold, and after the quick release and quick lock block 6 is buckled to the retaining ring 7, the position of the knob handle 6.3.1 does not protrude beyond the retaining ring 7. , To prevent affecting the use.

The replaceable brush head in this embodiment is a large brush 4, which includes a large brush shaft 4.2 and large bristles 4.1 distributed on the outer surface of the large brush shaft 4.2. The two ends of the large brush shaft 4.2 are provided with The socket is used as a female socket. The large hair brush 4 is made of nylon thread, which is a nylon thread long hair brush or a nylon thread long and short hair brush.

When snapping, simply snap one end of the large brush shaft 4.2 of the large brush 4 with the first driven shaft plug connector 3.8.1, and insert the plug end of the quick release quick lock block 6 into the clamping ring 7 Inside, the second driven shaft plug connector 6.1.1 is aligned with the other end of the brush shaft 4.2, the clamping head 6.7 is aligned with the axial groove 7.1.1 of the clamping groove 7.1, and the knob handle 6.3.1 is held by hand. Press the knob 6.3, the spring 6.2 is compressed, when the clamping head 6.7 located on the outer periphery of the knob 6.3 enters the bottom of the corresponding axial groove 7.1.1, turn the knob 6.3 to make all the card holders 6.7 enter the corresponding circumferential groove 7.1. 2 within. When you need to remove it, first press the knob 6.3, and then turn the knob 6.3 in the opposite direction to make the card holder 6.7 return to the axial groove 7.1.1. Under the resilient force of the spring 6.2, the clamp head 6.7 on the periphery of the knob 6.3 will be The axial groove 7.1.1 pops out, and the quick lock block 6 can be removed.

For the retaining ring 7 it should be noted that the bottom of the retaining ring 7 is closed or open. The closed type is shown in Figure 3, and the retaining groove 7.1 corresponding to the retaining head 6.7 on the locking ring 6.6 There is a ring of retaining ring 7.3 at the bottom, which is used to make the clamping head 6.7 play a good role in positioning after being clamped.

The open type is shown in Figure 2. The bottom of the retaining groove 7.1 corresponding to the retaining head 6.7 on the locking ring 6.6 is open. This structure can make the production of the retaining ring 7 easier. The through hole of the fixed arm 1.2 of 1 is directly provided with corresponding barriers to position the quick-release quick-lock block 6. In fact, the quick-release quick lock block 6 is inserted into the replaceable brush head to obtain an automatic positioning effect.

Example 2:

The replaceable brush head of this embodiment is a brush head assembly 5, which includes a component brush shaft 5.2. A wheel-shaped small brush 5.1 and a wheel 5.3 are respectively fixed at both ends of the component brush shaft 5.2. A brush fixing ring 5.4 is arranged on the outer side of the brush 5.1, and a wheel fixing ring 5.5 is arranged on the outer side of the wheel 5.3. The outer ends of the brush fixing ring 5.4 and the wheel fixing ring 5.5 are both provided with insertion grooves, which are female plugs. The wheel 5.3 and the component brush shaft 5.2 are fixedly connected by a bearing 5.6. The small brush 5.1 can be a steel wire brush or a nylon wire brush. The rest of the structure is the same as in Embodiment 1, and will not be repeated.

In order to prevent the cleaned debris from splashing, the present invention is also provided with a cover 8 above the replaceable brush head, and the cover 8 is fixed to the body 1.

In order to facilitate the operation, a retractable handle is connected to the horizontal part of the main body, which is convenient for operators of different heights and different requirements to easily complete the cleaning.

It should be pointed out that for this field, without departing from the principle of the utility model, various improvements or modifications can be made to the utility model, and these are all considered to be within the protection scope of the utility model.

Claims

A multifunctional brush, which is characterized in that it comprises a body with a shell structure, a power device, a replaceable brush head and a quick-release quick-lock device. The power device is arranged in the body, and the quick-release quick-lock device includes a quick-release quick lock. The outer periphery of the quick-release quick-lock block and the inner wall of the clamping ring are detachably clamped, and one end of the replaceable brush head is detachably plugged into the output end of the power unit, The other end is detachably plugged into the plug-in end of the quick-release quick-lock block.
The multifunctional brush according to claim 1, characterized in that: the two ends of the replaceable brush head are plug-in female heads, and the output end of the power unit and the plug-in end of the quick-release quick-lock block are the shape and size of the plug Plug male connector that fits the female connector.
The multifunctional brush according to claim 2, wherein the cross-sections of the female plug and the male plug are regular hexagons.
The multifunctional brush according to claim 1 or 2, wherein the quick release quick lock block includes a rotatable second driven shaft arranged in the locking ring, and one end of the second driven shaft is connected with A plug connector with a replaceable brush head, the plug end is located outside the locking ring; the locking ring is provided with a number of raised clamping heads on the outer periphery, and the inner wall of the clamping ring is provided with a raised portion. The convex portion is provided with clamping grooves corresponding to the clamping head in number and positions, and the clamping grooves include an axial groove with an opening at the top and a circumferential groove communicating with the bottom of the axial groove.
The multifunctional brush according to claim 4, wherein the locking ring includes a front section, a middle section, and a tail section in sequence. A knob is sleeved on the tail section, and the outer diameter of the middle section is larger than the front section and the tail section to form a convex ring. The clamping head is arranged at the outer periphery of the middle section near the knob; a clamping strip is arranged in the axial direction of the tail section, and the knob is clamped with the clamping strip; a spring is fixedly arranged between the knob and the inner end of the second driven shaft , The knob can move along the axial direction of the tail section.
The multifunctional brush according to claim 5, wherein a plurality of blocking blocks are arranged on the side of the middle section, and the blocking blocks are wound around the outer periphery of the tail section.
The multifunctional brush according to claim 5, characterized in that: a plurality of protruding clamping heads are provided on the outer circumference of the knob, and the position of the clamping head is staggered with the position of the clamping head provided on the outer circumference of the locking ring; Two stepped protrusions are provided on the inner wall of the clamping ring, and each protrusion is provided with clamping grooves corresponding to the positions and numbers of the clamping heads provided on the outer circumference of the locking ring and the outer circumference of the knob, and two The axial distance between the locking grooves on the protrusions is smaller than the axial distance between the locking ring and the locking head on the knob in the spring relaxed state.
7. The multifunctional brush according to claim 7, wherein the locking groove corresponding to the locking head on the outer circumference of the knob is provided with an anti-falling protrusion on the top of the circumferential groove near the axial groove.
The multifunctional brush according to claim 2 or 3, wherein the replaceable brush head is a large-bristle brush, the large-bristle brush includes a large-bristle brush shaft and large bristles distributed on the outer surface of the large-bristle brush shaft. The two ends of the brush shaft are plug sockets with plug slots.
The multifunctional brush according to claim 2 or 3, characterized in that: the replaceable brush head is a brush head assembly, the brush head assembly includes a component brush shaft, and the two ends of the component brush shaft are respectively fixed with wheels For the small brush and wheel, a brush fixing ring is arranged on the outer side of the small brush, and a wheel fixing ring is arranged on the outer side of the wheel. The brush fixing ring and the wheel fixing ring are provided with inserting grooves on the outer side, which are female plugs.