Adjustable connecting rod brush

Abstract

The utility model relates to an adjustable connecting rod brush which comprises a brush head assembly and a rod body assembly. The brush head assembly comprises a support spring, two adjusting plates and two brush head units, the support spring is arranged between the two adjusting plates, the two opposite ends of the support spring are connected with the ends of the two adjusting plates correspondingly, rotating shafts are arranged at the ends, away from the support spring, of the two adjusting plates correspondingly, and the two brush head units are oppositely arranged on the two opposite sides of the support spring; the two opposite sides of one end of the brush head unit are rotationally connected with the two rotating shafts respectively; one rotating shaft is rotatably connected with one end of the rod body assembly through a connecting shaft; compared with a traditional brush, the surface layer cleaning working depth is guaranteed, the base layer cleaning quality is improved, and then the construction quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, especially to an adjustable connecting rod brush. BACKGROUND

[0002] At present, in the construction process, many relatively narrow spaces will be encountered, such as the gap between the steel structure steel column foot plate and the foundation, the gap between the cup mouth foundation and the steel column, the drainage ditch or the structure modeling with small width and deep, etc. When the next step of construction is carried out, the surface layer needs to be kept clean to ensure the construction quality at the contact surface. However, due to the influence of rainwater, dust, cross operation and other aspects of the construction site, these construction surfaces are easily contaminated to different degrees. The parts with lower pollution degree can be cleaned by using air blower, water flushing and other methods, while the parts with serious pollution need to be cleaned in depth by using steel wire brush and other tools.

[0003] However, due to the influence of narrow space, especially at the outer column foot and other parts, not only the space is narrow, but also it is affected by the structural steel bars. The traditional brush is difficult to reach the edges and corners, which will affect the construction quality. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an adjustable connecting rod brush, which has the advantages of ensuring the cleaning depth of the surface layer and improving the construction quality.

[0005] The utility model discloses the above-mentioned utility model aims to be realized through the following technical scheme: an adjustable connecting rod brush, including brush head assembly and rod body assembly, the brush head assembly includes support spring, two adjusting plates and two brush head units, the support spring is arranged between two adjusting plates, the opposite ends of the support spring are connected with the end parts of two adjusting plates respectively, the end of two adjusting plates away from the support spring is provided with a rotating shaft, two brush head units are oppositely arranged on the opposite sides of the support spring, the opposite sides of one end of the brush head unit are rotatably connected with two rotating shafts respectively, one rotating shaft is rotatably connected with one end of the rod body assembly through a connecting shaft.

[0006] Preferably, the adjustable connecting rod brush provided by the utility model, the brush head unit includes a brush head and two connecting rods, two connecting rods are arranged on the brush head along the X direction, two connecting rods are rotatably connected with the brush head, and the ends of two connecting rods away from the brush head are rotatably connected with two rotating shafts respectively.

[0007] Preferably, the adjustable connecting rod brush provided by the utility model, the connecting rod includes first connecting part and second connecting part, one end of the first connecting part is connected with one end of the second connecting part, the first connecting part and the second connecting part jointly constitute a triangle, the top of the triangle is rotatably connected with the brush head through a rotating rod, one end of the first connecting part away from the brush head is rotatably connected with the rotating shaft through a first sleeve, one end of the second connecting part away from the brush head is rotatably connected with the rotating shaft through a second sleeve.

[0008] Preferably, the adjustable connecting rod brush provided by the utility model, the rod body assembly includes a plurality of connecting rods, and the plurality of connecting rods are sequentially rotatably connected, and every two adjacent connecting rods are rotatably connected through a rotating unit.

[0009] Preferably, the adjustable connecting rod brush provided by the utility model, the rotating unit includes a rotating module, a pin, a spiral spring and a sliding block, the rotating module is rotatably connected between the two adjacent connecting rods, a pin hole is formed in the outer wall of the rotating module, a sliding groove is formed in the connecting rod close to the pin hole, the sliding groove is communicated with the pin hole, the sliding groove and the pin hole jointly constitute a slide, the pin and the spiral spring are arranged in the slide, one end of the pin is connected with one end of the spiral spring, the pin and the spiral spring can slide along the slide, one end of the sliding block is inserted into the slide and connected with one end of the spiral spring away from the pin, the other end of the sliding block extends to the outside of the connecting rod, and the sliding block can slide along the slide; when the pin is inserted into the pin hole, the two adjacent connecting rods are in a flat state, and the two connecting rods cannot rotate relative to each other; when the sliding block slides, the sliding block drives the pin to slide through the spiral spring, and when the pin slides out of the pin hole, the two adjacent connecting rods can rotate relative to each other.

[0010] Preferably, the adjustable connecting rod brush provided by the utility model, the rod body assembly further includes a reset spring and a steel wire rope, one end of the reset spring is connected with one end of the steel wire rope, one end of the reset spring away from the steel wire rope is connected with the outer wall of the end part of the connecting rod located at the first end of the rod body assembly, and one end of the steel wire rope away from the reset spring is sequentially connected with a plurality of sliding blocks and a handle of the end part of the connecting rod located at the second end of the rod body assembly, and the handle can move relative to the connecting rod; when the handle is pulled, the reset spring is elongated, the steel wire rope drives the sliding block to slide along the slide, the sliding block drives the pin to slide through the spiral spring, the pin slides out of the pin hole, and the adjacent connecting rods can rotate relative to each other.

[0011] Preferably, the adjustable connecting rod brush provided by the utility model is characterized in that the geometric center position of the end of each rotating module is provided with a circular ring, and one end of the steel wire rope away from the return spring is connected with the sliding block through the circular ring.

[0012] Preferably, the adjustable connecting rod brush provided by the utility model is characterized in that the rotating module comprises a sleeve ring and a rotating shaft, a rotating groove is formed in the outer peripheral wall of the rotating shaft, the rotating groove is matched with the sleeve ring, the sleeve ring is sleeved on the rotating shaft, the sleeve ring is located in the rotating groove, and the sleeve ring and the rotating shaft can rotate relative to each other.

[0013] Preferably, the adjustable connecting rod brush provided by the utility model is characterized in that a first positioning hole is formed in the outer peripheral wall of the sleeve ring, the first positioning hole extends inward along the radial direction of the sleeve ring, the first positioning hole is communicated with the inner cavity of the sleeve ring, a second positioning hole is formed in the rotating groove, the second positioning hole extends inward along the radial direction of the rotating shaft, the first positioning hole and the second positioning hole are correspondingly arranged, and the first positioning hole and the second positioning hole are communicated to form the pin hole.

[0014] Preferably, the adjustable connecting rod brush provided by the utility model is characterized in that the end of the connecting rod located at the second end of the rod body assembly is provided with a rectangular frame, the handle is arranged in the rectangular frame, the two ends of the handle are respectively slidably connected with the opposite two inner side walls of the rectangular frame, the handle can slide relative to the rectangular frame, and one end of the steel wire rope away from the return spring is connected with the handle through the rectangular frame.

[0015] In conclusion, the adjustable connecting rod brush provided by the utility model comprises a brush head assembly and a rod body assembly, the brush head assembly comprises a support spring, two adjusting plates and two brush head units, the support spring is arranged between the two adjusting plates, the opposite two ends of the support spring are respectively connected with the ends of the two adjusting plates, the two adjusting plates are respectively provided with rotating shafts at one end away from the support spring, the two brush head units are oppositely arranged on the opposite two sides of the support spring, and the opposite two sides of one end of the brush head unit are rotatably connected with the two rotating shafts. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall structure schematic view of the adjustable connecting rod brush provided by the utility model embodiment.

[0017] Figure 2It is the front view of the brush head assembly in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0018] Figure 3 It is the side view of the brush head assembly in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0019] Figure 4 It is the front view of the connecting structure of the connecting rod and the sleeve ring in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0020] Figure 5 It is the top view of the connecting structure of the connecting rod and the sleeve ring in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0021] Figure 6 It is the front view of the connecting structure of the connecting rod and the rotating shaft in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0022] Figure 7 It is the top view of the connecting structure of the connecting rod and the rotating shaft in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0023] Figure 8 It is the structure schematic view of the rotating module in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0024] Figure 9 It is Figure 1 the enlarged view of A in the middle.

[0025] Figure 10 It is Figure 9 the sectional view of Figure 1-1 .

[0026] Figure 11 It is Figure 10 the sectional view of Figure 2-2 .

[0027] Figure 12 It is the structure schematic view of the bolt sliding out of the pin hole in the adjustable connecting rod brush provided by the embodiment of the utility model.

[0028] Figure 13 It is the structure schematic view of the preset angle clamped between the two adjacent connecting rods in the adjustable connecting rod brush provided by the embodiment of the utility model. Figure one .

[0029] Figure 14 It is the structure schematic view of the preset angle clamped between the two adjacent connecting rods in the adjustable connecting rod brush provided by the embodiment of the utility model. Figure two .

[0030] In the figure, 1, adjustable connecting rod brush; 10, brush head assembly; 11, support spring; 12, adjusting plate; 121, rotating shaft; 13, brush head unit; 131, brush head; 1311, mounting sleeve; 132, connecting rod; 1321, first connecting part; 1322, second connecting part; 133, rotating rod; 134, first sleeve; 135, second sleeve; 20, rod body assembly; 21, connecting rod; 211, sliding groove; 2111, groove; 2112, channel; 212, rectangular frame; 213, handle; 22, rotating unit; 221, rotating module; 2211, pin hole; 2212, sleeve ring; 2213, rotating shaft; 2214, rotating groove; 222, bolt; 223, helical spring; 224, sliding block; 23, return spring; 24, steel wire rope; 25, circular ring; 30, connecting shaft. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail below in combination with the drawings.

[0032] Reference Figures 1 to 3 The utility model discloses a kind of adjustable connecting rod brush 1, including brush head assembly 10 and rod body assembly 20;Brush head assembly 10 includes support spring 11, two adjusting plates 12 and two brush head units 13, support spring 11 is set between two adjusting plates 12, the opposite ends of support spring 11 are connected with the end portion of two adjusting plates 12 respectively, the end of two adjusting plates 12 away from support spring 11 is provided with rotating shaft 121, two brush head units 13 are oppositely set on the opposite sides of support spring 11, the opposite sides of one end of brush head unit 13 are rotatably connected with two rotating shafts 121 respectively;One rotating shaft 121 is rotatably connected with one end of rod body assembly 20 by connecting shaft 30;Compared with traditional brush, it guarantees surface layer cleaning work depth, improves the quality of base cleaning, and then improves construction quality.

[0033] Specifically, adjusting plate 12 extends along X direction, the center line of support spring 11 is parallelly arranged with X direction, rotating shaft 121 extends along Y direction, X direction and Y direction are perpendicularly arranged, the center line of rotating shaft 121 is perpendicularly arranged with the center line of support spring 11.

[0034] Among them, the center line of connecting shaft 30 is parallelly arranged with X direction, in some realizable mode, the center line of connecting shaft 30 is collinearly arranged with the center line of support spring 11, so that Figure 1 As an example, one end of connecting shaft 30 is connected with the outer peripheral wall of the rotating shaft 121 located on the right side, and the other end of connecting shaft 30 is rotatably connected with one end of rod body assembly 20.

[0035] Further, in the embodiment, the brush head unit 13 comprises a brush head 131 and two connecting rods 132, the two connecting rods 132 are arranged on the brush head 131 along the X direction and are spaced apart, the two connecting rods 132 are rotatably connected with the brush head 131, and the ends, away from the brush head 131, of the two connecting rods 132 are rotatably connected with the two rotating shafts 121 respectively.

[0036] The connecting rod 132 comprises a first connecting part 1321 and a second connecting part 1322, one end of the first connecting part 1321 is connected with one end of the second connecting part 1322, the first connecting part 1321 and the second connecting part 1322 jointly form a triangle, the top end of the triangle is rotatably connected with the brush head 131 through the rotating rod 133, the end, away from the brush head 131, of the first connecting part 1321 is rotatably connected with the rotating shaft 121 through the first sleeve 134, and the end, away from the brush head 131, of the second connecting part 1322 is rotatably connected with the rotating shaft 121 through the second sleeve 135.

[0037] Specifically, the center line of the rotating rod 133 is arranged in parallel with the Y direction, the opposite ends of the rotating rod 133 are respectively inserted into two mounting sleeves 1311 on the brush head 131, and the rotating rod 133 can rotate relative to the mounting sleeves 1311, wherein the center line of the mounting sleeve 1311 is arranged in parallel with the Y direction.

[0038] In the embodiment, the center line of the first sleeve 134 is arranged in parallel with the center line of the rotating shaft 121, the first sleeve 134 is sleeved on the rotating shaft 121, and the first sleeve 134 can rotate relative to the rotating shaft 121, and the center line of the second sleeve 135 is arranged in parallel with the center line of the rotating shaft 121, the second sleeve 135 is sleeved on the rotating shaft 121, and the second sleeve 135 can rotate relative to the rotating shaft 121.

[0039] In use, the distance between the two brush heads 131 can be adjusted by stretching or pressing the support spring 11 through the two adjusting plates 12 simultaneously.

[0040] Continuing to refer to Figures 4 to 12 In the embodiment, the rod assembly 20 comprises a plurality of connecting rods 21, the plurality of connecting rods 21 are rotatably connected in sequence, and each adjacent two connecting rods 21 are rotatably connected through a rotating unit 22.

[0041] Specifically, taking the orientation shown in Figure 1 as an example, the left end of the leftmost connecting rod 21 is rotatably connected with the end, away from the rotating shaft 121, of the connecting shaft 30.

[0042] Further, in the embodiment, the rotating unit 22 comprises a rotating module 221, a pin 222, a spiral spring 223 and a sliding block 224. The rotating module 221 is rotatably connected between the two adjacent connecting rods 21. The outer peripheral wall of the rotating module 221 is provided with a pin hole 2211. The connecting rod 21 adjacent to the pin hole 2211 is provided with a sliding groove 211. The sliding groove 211 is in communication with the pin hole 2211. The sliding groove 211 and the pin hole 2211 jointly form a sliding channel. The pin 222 and the spiral spring 223 are both arranged in the sliding channel. One end of the pin 222 is connected with one end of the spiral spring 223. The pin 222 and the spiral spring 223 are both capable of sliding along the sliding channel. One end of the sliding block 224 is inserted into the sliding channel and connected with the end of the spiral spring 223 away from the pin 222. The other end of the sliding block 224 extends to the outside of the connecting rod 21. The sliding block 224 is capable of sliding along the sliding channel. When the pin 222 is inserted into the pin hole 2211, the two adjacent connecting rods 21 are in a flat state and cannot rotate relative to each other. When the sliding block 224 slides, the sliding block 224 drives the pin 222 to slide through the spiral spring 223. When the pin 222 slides out of the pin hole 2211, the two adjacent connecting rods 21 can rotate relative to each other.

[0043] Specifically, the outer peripheral wall of one end of the connecting rod 21 towards the rotating module 221 is provided with a sliding groove 211. The sliding groove 211 comprises a groove 2111 and a channel 2112. The groove 2111 is in communication with the pin hole 2211 through the channel 2112. One end of the sliding block 224 is inserted into the groove 2111. The other end of the sliding block 224 extends to the outside of the groove 2111. The sliding block 224 is capable of sliding along the groove 2111.

[0044] As shown in Figure 11 and Figure 12 When the sliding block 224 is located at the left side of the groove 2111, the pin 222 is inserted into the pin hole 2211 and the spiral spring 223 is located in the channel 2112. At this time, the two adjacent connecting rods 21 are in a flat state and cannot rotate relative to each other.

[0045] When the sliding block 224 slides to the right, the sliding block 224 drives the pin 222 to slide to the right through the spiral spring 223. When the sliding block 224 slides to the right side of the groove 2111, the pin 222 slides out of the pin hole 2211. The two adjacent connecting rods 21 can rotate relative to each other.

[0046] Continuing to refer to 4 to Figure 4In the embodiment, the rod body assembly 20 further comprises a reset spring 23 and a steel wire rope 24. One end of the reset spring 23 is connected with one end of the steel wire rope 24. The other end of the reset spring 23, which is away from the steel wire rope 24, is connected with the outer circumferential wall of the end of the connecting rod 21 at the first end of the rod body assembly 20. The other end of the steel wire rope 24, which is away from the reset spring 23, is connected with the handles 213 of the ends of the connecting rods 21 at the second end of the rod body assembly 20 in sequence after being connected with the plurality of sliding blocks 224. The handles 213 can move relative to the connecting rods 21. When the handles 213 are pulled, the reset spring 23 is elongated, the steel wire rope 24 drives the sliding blocks 224 to slide along the slide rails, the sliding blocks 224 drive the pins 222 to slide through the helical springs 223, the pins 222 slide out of the pin holes 2211, and the adjacent connecting rods 21 can rotate relative to each other.

[0047] It should be noted that the first end and the second end of the rod body assembly 20 are oppositely arranged. Figure 1 As described above, the first end of the rod body assembly 20 is the leftmost end, and the second end of the rod body assembly 20 is the rightmost end.

[0048] Specifically, the reset spring 23 and the steel wire rope 24 are located on the outer surface of the connecting rod 21. The center line of the reset spring 23 is arranged in parallel with the X direction, for example, in the orientation shown in the figure. Figure 1 As described above, the first end of the rod body assembly 20 is the leftmost end, and the second end of the rod body assembly 20 is the rightmost end.

[0049] In use, when the handles 213 are pulled, the reset spring 23 is elongated, the steel wire rope 24 drives the sliding blocks 224 to slide to the right along the slide rails, the sliding blocks 224 drive the pins 222 to slide through the helical springs 223, the pins 222 slide out of the pin holes 2211, the adjacent connecting rods 21 rotate relative to each other, and the two connecting rods 21 are clamped at a preset angle. At this time, the pins 222 are clamped outside the pin holes 2211, the helical springs 223 are compressed, and the steel wire rope 24 is pulled back to the original position by the reset spring 23, thereby ensuring that the pins 222 at other straight nodes are inserted into the pin holes 2211.

[0050] Further, in the embodiment, the geometric center position of the end of each rotating module 221 is provided with a circular ring 25. The other end of the steel wire rope 24, which is away from the reset spring 23, passes through the circular ring 25 and is connected with the sliding block 224. The circular ring 25 is arranged to keep the steel wire rope 24 in the center line position.

[0051] Further, in the embodiment, the rotating module 221 comprises a sleeve ring 2212 and a rotating shaft 2213, a rotating groove 2214 is formed on the outer circumferential wall of the rotating shaft 2213, the rotating groove 2214 is matched with the sleeve ring 2212, the sleeve ring 2212 is sleeved on the rotating shaft 2213, the sleeve ring 2212 is located in the rotating groove 2214, and the sleeve ring 2212 and the rotating shaft 2213 can rotate relative to each other; the end portions of the two adjacent connecting rods 21 are connected with the outer circumferential wall of the sleeve ring 2212 and the rotating shaft 2213 respectively.

[0052] Specifically, the end portion of one of the connecting rods 21 is connected with the outer circumferential wall of the sleeve ring 2212, the end portion of the other connecting rod 21 is connected with the outer circumferential wall of the rotating shaft 2213, the center line of the sleeve ring 2212 and the center line of the rotating shaft 2213 are both arranged in parallel with the Y direction, and the center line of the sleeve ring 2212 and the center line of the rotating shaft 2213 are both arranged perpendicularly to the center line of the connecting rod 21.

[0053] Specifically, the end portion of one of the connecting rods 21 is connected with the outer circumferential wall of the sleeve ring 2212, the end portion of the other connecting rod 21 is connected with the outer circumferential wall of the rotating shaft 2213, the center line of the sleeve ring 2212 and the center line of the rotating shaft 2213 are both arranged in parallel with the Y direction, and the center line of the sleeve ring 2212 and the center line of the rotating shaft 2213 are both arranged perpendicularly to the center line of the connecting rod 21.

[0054] Further, in the embodiment, a first positioning hole is formed on the outer circumferential wall of the sleeve ring 2212, the first positioning hole extends inward along the radial direction of the sleeve ring 2212, the first positioning hole is in communication with the inner cavity of the sleeve ring 2212, a second positioning hole is formed in the rotating groove 2214, the second positioning hole extends inward along the radial direction of the rotating shaft 2213, the first positioning hole and the second positioning hole are arranged correspondingly, and the first positioning hole and the second positioning hole are in communication to form a pin hole 2211.

[0055] Continuing to refer to Figure 1 In the embodiment, the end portion of the connecting rod 21 located at the second end of the rod body assembly 20 is provided with a rectangular frame 212, the handle 213 is arranged in the rectangular frame 212, the two ends of the handle 213 are respectively slidably connected with the opposite two inner side walls of the rectangular frame 212, the handle 213 can slide relative to the rectangular frame 212, and one end of the steel wire rope 24 away from the return spring 23 is connected with the handle 213 through the rectangular frame 212.

[0056] Specifically, taking the orientation shown in Figure 1 As an example, the right end of the connecting rod 21 located at the rightmost side is provided with a rectangular frame 212, the opposite two inner side walls of the rectangular frame 212 are both provided with a sliding rail, the opposite two ends of the handle 213 are respectively inserted into the two sliding rails, and the handle 213 can slide along the sliding rails.

[0057] The use process of the adjustable connecting rod brush 1 provided in the embodiment is as follows: the distance between the two brush heads 131 is adjusted by simultaneously stretching or pressing the support spring 11 through the two adjusting plates 12.

[0058] When the handle 213 is pulled, the reset spring 23 is lengthened, at this time the steel wire rope 24 drives the sliding block 224 to move to the right, the sliding block 224 drives the bolt 222 to slide through the spiral spring 223, when the bolt 222 slides out of the pin hole 2211, the two adjacent connecting rods 21 can rotate relative to each other.

[0059] When the handle 213 is released, the reset spring 23 pulls back the steel wire rope 24, the steel wire rope 24 drives the sliding block 224 to return to the original position, the adjacent two connecting rods 21 keep the bolt 222 in the flat state to return to the pin hole 2211, so that the rotating module 221 on both sides of the connecting rod 21 keeps rigid; the bolt 222 with a preset angle arranged between the two adjacent connecting rods 21 is clamped outside the pin hole 2211, and the spiral spring 223 is compressed, so that the steel wire rope 24 can be smoothly pulled back, and the bolt 222 outside the pin hole 2211 of the rotating unit 22 can return to the pin hole 2211, the rotating module 221 can be smoothly rotated, and the steel wire rope 24 is always arranged at the center line position of the connecting rod 21 under the constraint of the circular ring 25.

[0060] The adjustable connecting rod brush 1 provided by the application comprises a brush head assembly 10 and a rod body assembly 20.

[0061] The adjustable connecting rod brush 1 provided by the application has the following advantages: the device is simple in structure, easy to manufacture and convenient to operate.

[0062] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0063] Finally, it should be noted that the above-mentioned embodiments are merely intended for the purpose of illustration rather than limiting the present application. Based on the above description, other different forms of changes or modifications can be made by those skilled in the art. Here, it is not necessary or possible to enumerate all the embodiments. The obvious changes or modifications derived therefrom are still within the scope of the present application.

Claims

1. An adjustable linkage brush characterized by: The brush head assembly and the rod body assembly are connected; The brush head assembly comprises a support spring, two adjusting plates and two brush head units, the support spring is arranged between the two adjusting plates, the opposite ends of the support spring are connected with the end portions of the two adjusting plates respectively, the end portions of the two adjusting plates away from the support spring are provided with rotating shafts respectively, the two brush head units are arranged oppositely on the opposite sides of the support spring, and the opposite sides of one end of the brush head unit are rotatably connected with the two rotating shafts respectively; One of the rotating shafts is rotatably connected with one end of the rod body assembly through a connecting shaft.

2. The adjustable linkage brush of claim 1, wherein: The brush head unit comprises a brush head and two connecting rods, the two connecting rods are arranged on the brush head at intervals along the X direction, the two connecting rods are rotatably connected with the brush head, and the end portions of the two connecting rods away from the brush head are rotatably connected with the two rotating shafts respectively.

3. The adjustable linkage brush of claim 2, wherein: The connecting rod comprises a first connecting portion and a second connecting portion, one end of the first connecting portion is connected with one end of the second connecting portion, the first connecting portion and the second connecting portion jointly form a triangle, the top end of the triangle is rotatably connected with the brush head through a rotating rod, the end portion of the first connecting portion away from the brush head is rotatably connected with the rotating shaft through a first sleeve, and the end portion of the second connecting portion away from the brush head is rotatably connected with the rotating shaft through a second sleeve.

4. The adjustable linkage brush of claim 1, wherein: The rod body assembly comprises a plurality of connecting rods, the connecting rods are rotatably connected in sequence, and every two adjacent connecting rods are rotatably connected through rotating units.

5. The adjustable linkage brush of claim 4, wherein: The rotating unit comprises a rotating module, a bolt, a spiral spring and a sliding block, the rotating module is rotatably connected between the two adjacent connecting rods, a pin hole is formed in the outer peripheral wall of the rotating module, a sliding groove is formed in the connecting rod close to the pin hole, the sliding groove is communicated with the pin hole, the sliding groove and the pin hole jointly form a slide channel, the bolt and the spiral spring are arranged in the slide channel, one end of the bolt is connected with one end of the spiral spring, the bolt and the spiral spring can slide along the slide channel, one end of the sliding block is inserted into the slide channel and connected with the end portion of the spiral spring away from the bolt, and the other end of the sliding block extends to the outside of the connecting rod, and the sliding block can slide along the slide channel. When the bolt is inserted into the pin hole, the two adjacent connecting rods are in a flat state, and the two connecting rods cannot rotate relative to each other. When the sliding block slides, the sliding block drives the bolt to slide through the spiral spring, when the bolt slides out of the pin hole, the two adjacent connecting rods can rotate relative to each other.

6. The adjustable linkage brush of claim 5, wherein: The rod body assembly further comprises a reset spring and a steel wire rope, one end of the reset spring is connected with one end of the steel wire rope, the end portion of the reset spring away from the steel wire rope is connected with the outer peripheral wall of the end portion of the connecting rod at the first end of the rod body assembly, and one end of the steel wire rope away from the reset spring is connected with a plurality of sliding blocks in sequence and then connected with a handle of the end portion of the connecting rod at the second end of the rod body assembly, and the handle can move relative to the connecting rod. When the handle is pulled, the reset spring is elongated, the steel wire rope drives the sliding block to slide along the slide rail, the sliding block drives the bolt to slide through the helical spring, the bolt slides out of the pin hole, and the adjacent connecting rods can rotate relative to each other.

7. The adjustable linkage brush of claim 6, wherein: The geometric center position of the end of each rotating module is provided with a circular ring, and one end of the steel wire rope away from the reset spring passes through the circular ring and is connected with the sliding block.

8. The adjustable linkage brush of claim 5, wherein: The rotating module comprises a sleeve ring and a rotating shaft, a rotating groove is formed in the outer peripheral wall of the rotating shaft, the rotating groove is matched with the sleeve ring, the sleeve ring is sleeved on the rotating shaft, the sleeve ring is located in the rotating groove, and the sleeve ring and the rotating shaft can rotate relative to each other. The ends of the adjacent two connecting rods are respectively connected with the outer peripheral wall of the sleeve ring and the rotating shaft.

9. The adjustable linkage brush of claim 8, wherein: A first positioning hole is formed in the outer peripheral wall of the sleeve ring and extends inwardly along the radial direction of the sleeve ring, the first positioning hole is communicated with the inner cavity of the sleeve ring, a second positioning hole is formed in the rotating groove and extends inwardly along the radial direction of the rotating shaft, the first positioning hole and the second positioning hole are correspondingly arranged, and the first positioning hole and the second positioning hole are communicated to form the pin hole.

10. The adjustable linkage brush of claim 6, wherein: The end of the connecting rod located at the second end of the rod body assembly is provided with a rectangular frame, the handle is arranged in the rectangular frame, the two ends of the handle are respectively slidably connected with the opposite two inner side walls of the rectangular frame, the handle can slide relative to the rectangular frame, and one end of the steel wire rope away from the reset spring passes through the rectangular frame and is connected with the handle.

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