Washing pen
By designing a convenient cleaning pen that integrates cleaning liquid and scrubbing functions, the problem of inconvenient local cleaning of large items has been solved, achieving a fast and convenient cleaning effect.
Patent Information
- Application Number
- CN202423316819.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing technologies, cleaning localized stains on large items is inconvenient, especially when traveling for business or leisure. Professional cleaning or overall cleaning is time-consuming, laborious, and unnecessary, making localized cleaning difficult.
Design a portable cleaning pen that integrates cleaning fluid and wiping functions, including a pen holder, a liquid pump assembly, and a pen tip. The liquid pump assembly enables the dispensing of cleaning fluid and wiping, while the pen tip is equipped with an application section for convenient local cleaning.
It enables quick cleaning of localized stains on large items, is easy to carry and operate, saves time and effort, and meets the cleaning needs of travelers.
Smart Images

Figure CN223607564U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cleaning tool technical field especially, relates to a kind of washing pens. BACKGROUND
[0002] At present, for the cleaning of bulky articles, such as car seats, sofas, and cotton clothes, professional cleaning or whole cleaning is generally used to remove dirt and stains. For bulky articles with local stains, professional cleaning or whole cleaning is not only time-consuming, but also costly. At the same time, sometimes whole cleaning is not necessary, which brings great inconvenience to local cleaning of bulky articles.
[0003] At the same time, during business trips or travel, there may be inconvenience in cleaning local stains on clothes and other items.
[0004] Therefore, it is necessary to develop a washing tool for bulky articles such as car seats, sofas, and cotton clothes, which is easy to carry and simple to operate, and has multiple functions of cleaning liquid and scrubbing, making it convenient to clean local stains and gaps of bulky articles. SUMMARY
[0005] The utility model aims at solving the problem of inconvenient cleaning of local stains and gaps of bulky articles, and provides a convenient washing pen for cleaning local stains and gaps of bulky articles, which is easy to carry, simple to operate, and has multiple functions of cleaning liquid and scrubbing.
[0006] The utility model discloses a washing pen which comprises a pen barrel for containing washing liquid, a liquid pump assembly arranged in the pen barrel and a pen head connected with the liquid pump assembly, wherein at least one liquid outlet channel is arranged on the pen head and is connected with the liquid pump assembly and is opened and closed by the liquid pump assembly, and a wiping part is arranged on the pen head.
[0007] Preferably, the wiping part is a sandblasting structure. The sandblasting structure is convenient for wiping the stains.
[0008] Preferably, the wiping part comprises an inclined wiping surface and a gap wiping part, the wiping surface is arranged on the side of the gap wiping part, and the gap wiping part is arranged at the end of the wiping part. The wiping part is arranged to facilitate liquid application and wiping, so the inclined wiping surface and the gap wiping part are arranged on the wiping part of the pen head, which can meet the wiping requirements of different stains at different positions.
[0009] Preferably, the wiping part further comprises a pen nib, and the pen nib is arranged at one end of the gap wiping part. In order to meet the wiping requirements of different sizes of gaps, the wiping part further comprises a pen nib, and the pen nib is arranged at one end of the gap wiping part.
[0010] Preferably, the pen head and the liquid pump assembly are sealingly connected to the pen barrel by a connecting piece, and the connecting piece internally comprises a pump body mounting cavity, a piston mounting cavity and a pen head movable mounting cavity arranged from bottom to top. In order to facilitate the sealing connection with the pen barrel and meet the design requirements of opening and closing the liquid pump assembly, a connecting piece is arranged to realize the sealing connection with the pen barrel and facilitate the installation of the liquid pump assembly and the pen head. Different cavities are arranged in the connecting piece to facilitate the installation of different components in the liquid pump assembly.
[0011] As preferred, the liquid pump assembly is internally provided with a liquid channel; the liquid pump assembly comprises a pump body with an upper liquid channel, a piston sealingly connected to the pump body, a base provided in the piston and the pump body in an opening and closing mode, and a spring provided between the pump body and the base. In order to realize the need of washing liquid outflow, the liquid pump assembly is internally provided with a liquid channel. In use, the washing liquid in the pen barrel flows out to the position to be cleaned through the liquid channel. The liquid pump assembly mainly comprises a pump body, a spring provided in the pump body, a base provided at the other end of the spring, and a piston sealingly connected to the pump body. The base is provided in the piston and connected to the pen head and moves together. When the pen head is pressed, the pen head drives the base to move towards the inside of the pump body, opens the seal between the base and the piston, and thus opens the liquid channel, thereby realizing the outflow operation. Stop pressing the pen head, and the pen head drives the base and the pen head to move towards the outside of the pump body under the elastic force of the spring, thereby realizing the seal between the piston and the piston, and closing the liquid channel.
[0012] As preferred, the pump body is sealingly clamped in the pump body mounting cavity, the piston is sealingly clamped in the piston mounting cavity, and the pen head is slidingly provided in the pen head movable mounting cavity and the piston and abuts against the base.
[0013] As preferred, the pump body is internally provided with a liquid cavity, the bottom of the liquid cavity is provided with a spring seat, the spring seat is internally provided with a drain hole penetrating the inside and outside of the liquid cavity, and the upper liquid channel is provided on the side of the pump body. The pump body is internally provided with a liquid cavity. When the washing liquid in the barrel needs to be outflowed, the washing liquid in the barrel enters the liquid cavity through the upper liquid channel to realize the outflow operation. The drain hole is provided in the spring seat to facilitate the compression of the spring and the movement of the base towards the inside of the pump body. During the outflow process, part of the liquid in the liquid cavity will be drained into the barrel through the drain hole, thereby realizing smooth outflow operation.
[0014] As preferred, the base is provided with a piston sealing opening and closing body, a spring seat body and a pen head positioning protrusion; the piston is internally provided with a piston cavity, and the outflow channel communicates with the piston cavity. The base is provided with a piston sealing opening and closing body to realize the sealing cooperation with the piston, thereby realizing the closing or opening of the liquid channel. The pen head positioning protrusion is provided to facilitate the positioning of the pen head, thereby driving the base to move in an opening and closing mode by pressing the pen head.
[0015] As preferred, it further comprises a pen cap; the pen barrel is further provided with a liquid filling structure, and the liquid filling structure is a one-way liquid filling port, a liquid filling valve or a barrel cover. In order to facilitate the filling of washing liquid into the pen barrel, the pen barrel is provided with a liquid filling structure. The liquid filling structure can be a one-way liquid filling port, a liquid filling valve or a barrel cover. The barrel cover and the bottom of the pen barrel can be threadedly connected or sealingly plugged.
[0016] The utility model discloses a beneficial effect is: the washing pen, set washing liquid and rub clean in an organic whole, simple and convenient operation, save time and less power, greatly convenient to the cleaning of local dirt, and convenient to carry, bring the convenience for travel, satisfy the need of local rapid cleaning of article. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a kind of structure schematic diagram of the utility model washing pen.
[0018] Figure 2 It is a kind of exploded view of the utility model washing pen.
[0019] Figure 3 It is a kind of sectional view of the utility model washing pen.
[0020] Figure 4 It is a kind of sectional view of the utility model washing pen (remove pen cap).
[0021] Figure 5 It is a kind of structure schematic diagram of the utility model pen head.
[0022] Figure 6 It is a kind of structure schematic diagram of the utility model pen head another angle.
[0023] Figure 7 It is a kind of sectional view of the utility model pen head.
[0024] Figure 8 It is a kind of structure schematic diagram of the utility model pump body.
[0025] Figure 9 It is a kind of structure schematic diagram of the utility model pump body another angle.
[0026] Figure 10 It is a kind of structure schematic diagram of the utility model pump body third angle.
[0027] Figure 11 It is a kind of sectional view of the utility model pump body.
[0028] Figure 12 It is a kind of structure schematic diagram of the utility model piston.
[0029] Figure 13 It is a kind of structure schematic diagram of the utility model piston another angle.
[0030] Figure 14 It is a kind of structure schematic diagram of the utility model piston third angle.
[0031] Figure 15 It is a kind of sectional view of the utility model piston.
[0032] Figure 16 is a structural schematic view of the base in the utility model.
[0033] Figure 17 is another angle structural schematic view of the base in the utility model.
[0034] Figure 18 is a sectional view of the base in the utility model.
[0035] Figure 19 is a structural schematic view of the connecting piece in the utility model.
[0036] Figure 20 is another angle structural schematic view of the connecting piece in the utility model.
[0037] Figure 21 is a sectional view of the connecting piece in the utility model.
[0038] Figure 22 is an application structural schematic view of the washing pen in the utility model.
[0039] Figure 23 is a schematic view of the liquid passage in the application process of the washing pen in the utility model.
[0040] In the figure: 1, pen barrel, 11, barrel body, 12, barrel mouth, 13, barrel bottom, 14, cavity, 15, connecting piece mounting cavity, 16, barrel body sealing groove;
[0041] 2, pen cap, 21, pen cap buckling ring table;
[0042] 3, pen head, 31, pen head body, 32, rubbing part, 33, connecting part, 34, liquid outlet passage, 35, limiting ring, 36, positioning groove, 37, rubbing surface, 38, gap rubbing part, 39, pen nib part;
[0043] 4, liquid pump assembly;
[0044] 5, liquid filling structure;
[0045] 6, connecting piece, 60, pump body mounting cavity, 61, barrel body connecting end, 62, piston matching section, 63, pen head connecting end, 64, piston mounting cavity, 65, pen head movable mounting cavity, 66, connecting piece sealing protrusion, 67, pump body positioning ring table, 68, piston positioning sealing ring groove, 69, barrel body end sealing ring table, 601, transition inclined body, 602, pen cap buckling ring groove,
[0046] 7, pump body, 70, liquid cavity, 71, pump body main body, 72, pump body liquid inlet end, 73, pump body liquid outlet end, 74, piston sealing connecting cavity, 75, piston positioning sealing groove, 76, clamping positioning protrusion, 77, spring seat, 78, liquid discharge hole, 79, liquid inlet flow guide plate;
[0047] 8. piston, 80. piston cavity, 81. piston body, 82. pump body connecting end, 83. pen tip sliding end, 84. pump body connecting sealing ring, 85. bidirectional sealing ring, 86. sliding cavity;
[0048] 9. base, 91. pen tip positioning body, 92. piston sealing opening and closing body, 93. spring seat body, 94. pen tip positioning protrusion;
[0049] 10. spring;
[0050] 100. liquid inlet channel, 101. liquid passing groove;
[0051] 200. liquid channel, 300. washing liquid. DETAILED DESCRIPTION
[0052] The technical scheme of the utility model will be described in further detail below by means of specific embodiments and in conjunction with the drawings.
[0053] Embodiment 1:
[0054] In Figure 1 , Figure 2 , Figure 3 The embodiment shown in the drawing is a washing pen, which comprises a pen barrel 1 containing washing liquid, a pen cap 2, a pen tip 3 and a liquid pump assembly 4. The liquid pump assembly 4 is arranged inside the pen barrel 1. The pen tip 3 is connected with the liquid pump assembly 4 and extends out of the pen barrel 1. The pen cap 2 covers the pen tip 3 and is connected with the pen barrel 1.
[0055] The liquid pump assembly 4 is internally provided with a liquid channel 200.
[0056] The pen tip 3 is connected with the liquid pump assembly 4 and can drive the liquid pump assembly 4 to move, thereby realizing liquid outlet and closing operation. At least one liquid outlet channel 34 is arranged on the pen tip 3, which is connected with the liquid pump assembly 4 and enables the liquid pump assembly 4 to open and close liquid outlet. A rubbing part 32 is arranged on the pen tip 3.
[0057] The pen barrel 1 is internally filled with cleaning liquid such as washing liquid 300. The washing liquid 300 can be various liquids used for washing.
[0058] The pen barrel 1 comprises an integrally arranged barrel body 11, a barrel mouth 12 and a barrel bottom 13. A containing cavity 14 is arranged inside the barrel body 11. A connecting piece mounting cavity 15 is arranged inside the barrel mouth 12. A barrel body sealing groove 16 is arranged on the inner wall of the barrel mouth 12.
[0059] The bottom 13 of the barrel is provided with a liquid filling structure 5. The liquid filling structure 5 is a one-way liquid filling port. In another embodiment, the liquid filling structure is a liquid filling valve. The liquid filling structure can also be a barrel cover which is connected to the bottom of the barrel by threads or a sealing plug.
[0060] As shown in Figure 4 The pen head 3 and the liquid pump assembly 4 are installed at one end of the barrel opening 12 of the barrel 1 through a connecting piece 6.
[0061] As shown in Figure 5 、 Figure 6 、 Figure 7 The pen head 3 includes a pen head body 31, an application part 32, and a connecting part 33. The pen head body 31 is provided with at least one liquid outlet channel 34 along the axial direction of the pen head. The liquid outlet channel 34 can be a liquid outlet groove provided on the surface of the pen head body 31, or a liquid outlet hole or cavity provided inside the pen head body 31. The liquid outlet channel 34 penetrates both ends of the pen head, i.e. the liquid outlet channel 34 is opened along the connecting part 33, the pen head body 31, and the application part 32. The size and number of the liquid outlet channels 34 can be set according to the amount of liquid to be discharged. In this embodiment, the liquid outlet channel 34 is a liquid outlet groove provided on the outer part of the pen head.
[0062] The pen head body 31 can be a cylindrical structure, a polygonal structure, or various shapes designed according to actual needs.
[0063] The connecting part 33 is integrally provided with the pen head body 31 in a conical structure. The end of the connecting part 33 away from the pen head body 31 is the small end of the conical structure. The connecting part 33 is provided with a limiting ring 35 at the connection with the pen head body 31. The bottom of the connecting part 33 is provided with a positioning groove 36.
[0064] The application part 32 is integrally provided with the pen head body 31. The application part 32 is provided with two inclined application surfaces 37. A gap application part 38 is provided on the application part between the two application surfaces 37. The gap application part 38 is provided in an inclined structure as a side inclined structure to form a pen tip 39. The gap application part 38 can be a blade structure, a convex strip structure, an arc-shaped convex structure, or other structures. It only needs to facilitate the application of gaps and other narrow parts.
[0065] The coating part 32 is designed in various shapes according to the habit and need, in the embodiment, the coating part is designed as two inclined surfaces and arc-shaped gap coating part, and the pen tip part is inclined to the gap coating part, which can realize the cleaning operation of the coating liquid in various local positions. Of course, in other embodiments, the pen head can also be designed in various shapes.
[0066] The coating surface 37 is sandblasted, which can be integrally injection molded with the pen head or sandblasted after the pen head is manufactured to ensure that the coating surface can clean the stains.
[0067] The two coating surfaces 37 can be symmetrically arranged or asymmetrically arranged, and the inclination angle between the coating surface 37 and the axis of the pen head can be set as needed, which can be selected to be between 5 degrees and 45 degrees, and of course, it can also be the required angle. In the embodiment, the two coating surfaces 37 are symmetrically arranged, and the inclination angle of the coating surface is 30 degrees.
[0068] The inclination angle between the pen tip part 39 of the gap coating part 38 and the horizontal plane is preferably between 5 degrees and 45 degrees, and of course, it can also be the required angle. In the embodiment, the gap coating part 38 is an arc-shaped convex structure, and the inclination angle of the pen tip part 39 is 30 degrees. The pen tip part and the gap coating part are arranged in an inclined structure, which can meet the cleaning of the coating liquid in narrow parts such as gaps of different lengths.
[0069] In another embodiment, the two coating surfaces 37 are arranged at an angle, so that the gap coating part 39 is in the shape of a wedge with one end smaller than the other end.
[0070] The liquid pump assembly 4 includes a pump body 7 with an upper liquid channel 100, a piston 8 sealingly connected to the pump body, a base 9 arranged in an opening and closing mode inside the piston and the pump body, and a spring 10 arranged between the pump body and the base 9.
[0071] The liquid pump assembly 4 mainly includes a pump body, a spring 10 inside the pump body, the other end of the spring connected to the base 9, the base arranged inside the piston and connected to the pen head to move together, when the pen head is pressed, the pen head drives the base to move towards the inside of the pump body, opens the seal between the base and the piston, and thus opens the liquid channel, thereby realizing the liquid output operation. Stop pressing the pen head, the pen head drives the base and the pen head to move towards the outside of the pump body under the elastic force of the spring, thereby realizing the seal between the piston and the pen head, and closing the liquid channel.
[0072] As Figure 8 , Figure 9 , Figure 10 , Figure 11As shown, the pump body 7 comprises a pump body main body 71, a pump body liquid inlet end 72 and a pump body liquid outlet end 73, a liquid cavity 70 is arranged inside the pump body main body 71, the pump body liquid outlet end 73 of the pump body main body 71 is provided with a piston sealing connection cavity 74, a piston positioning sealing groove 75 is arranged on the cavity wall where the piston sealing connection cavity 74 is located, and a clamping positioning protrusion 76 is arranged on the outer wall of the pump body liquid outlet end 73.
[0073] A spring seat 77 is arranged at the bottom of the pump body liquid inlet end 72, and a liquid discharge hole 78 penetrating the inside and outside of the pump body is arranged inside the spring seat 77. A plurality of liquid guiding plates 79 are uniformly arranged on the inner wall of the pump body liquid inlet end 72, a plurality of liquid inlet channels 100 are formed on the side wall of the pump body liquid inlet end 72. A plurality of liquid passing grooves 101 are formed on the side wall of the pump body liquid inlet end 72, the liquid inlet channels 100 are arranged in pairs on the liquid passing grooves 101, and the liquid inlet channels 100 are connected with the internal cavity 14 of the pen barrel and the liquid cavity 70 inside the pump body.
[0074] As shown in Figure 12 , Figure 13 , Figure 14 , Figure 15 As shown, the piston 8 comprises a piston body 81, a pump body connecting end 82 and a pen head sliding end 83, a piston cavity 80 is arranged inside the piston body 81, and the base 9 is movably arranged inside the piston cavity 80 and extends out of the pump body connecting end 82. A pump body connecting sealing ring 84 is arranged on the outer wall of the pump body connecting end 82, a bidirectional sealing ring 85 is arranged above the pump body connecting sealing ring 84, a sliding cavity 86 is arranged inside the pen head sliding end 83, and the pen head is slidingly arranged inside the sliding cavity 86.
[0075] As shown in Figure 16 , Figure 17 , Figure 18 As shown, the base 9 comprises a pen head positioning body 91, a piston sealing opening and closing body 92 and a spring seat body 93, the spring seat body 93 is arranged along the internal axis of the base 9 and extends out of the piston sealing opening and closing body 92, one end of the spring 10 is sleeved on the spring seat body 93, and the other end of the spring 10 is sleeved on the spring seat 77 inside the pump body. A pen head positioning protrusion 94 is arranged at the top center position of the pen head positioning body 91 along the axis direction, and the positioning groove 36 on the pen head 3 cooperates with the pen head positioning protrusion 94 to realize the positioning of the pen head 3.
[0076] The piston sealing opening and closing body 92 cooperates with the lower end of the pump body connecting end 82 on the piston to realize the sealing or opening operation, so as to realize the liquid inlet and outlet operation.
[0077] As shown in Figure 19 , Figure 20、 Figure 21 The connecting piece 6 comprises a barrel connecting end 61, a piston matching section 62 and a pen head connecting end 63. The barrel connecting end 61 is internally provided with a pump body mounting cavity 60. The piston matching section 62 is internally provided with a piston mounting cavity 64. The pen head connecting end 63 is internally provided with a pen head movable mounting cavity 65.
[0078] The outer wall of the barrel connecting end 61 is provided with a connecting piece sealing protrusion 66. The inner wall of the pump body mounting cavity 60 is provided with a pump body positioning ring table 67. The clamping positioning protrusion 76 on the pump body is clamped on the pump body positioning ring table 67.
[0079] The inner wall between the pump body positioning ring table 67 and the piston mounting cavity 64 is provided with a piston positioning sealing ring groove 68. The upper and lower sides of the pump body connecting sealing ring 84 on the piston are respectively matched with the piston positioning sealing ring groove 68 and the end of the pump body liquid outlet end 73 to realize sealing connection.
[0080] The outer wall of the connecting piece 6 where the piston positioning sealing ring groove 68 is located is provided with a barrel end sealing ring table 69.
[0081] The piston matching section 62 and the pen head connecting end 63 are connected as a whole through a transition inclined body 601. The outer diameter of the pen head connecting end 63 is smaller than that of the piston matching section.
[0082] The outer wall of the pen head connecting end 63 is provided with a pen cap closing ring groove 602. Correspondingly, the inner wall of the pen cap 2 is provided with a pen cap buckling ring table 21.
[0083] The liquid inlet channel 100, the liquid cavity 70, the piston cavity 80 and the liquid outlet channel 34 form a liquid channel 200.
[0084] The assembly of the washing pen is as follows: first, the pen head is installed in the piston and extends out of the piston, then the base is inserted into the piston cavity, the positioning groove on the pen head is matched with the pen head positioning protrusion, then the lower end of the spring is sleeved on the spring seat in the pump body, the spring seat body on the base is inserted into the upper end of the spring, at the same time, the pump body connecting end of the piston is inserted into the sand body until the lower ring surface of the pump body connecting sealing ring on the piston is in abutment with the end of the pump body liquid outlet end. The pen head combined with the pump body and the piston is inserted into the connecting piece from below until the upper ring surface of the pump body sealing connecting ring on the piston is in abutment with the upper part of the piston positioning sealing ring groove in the connecting piece, then the connecting piece is inserted into the pump body until the barrel end sealing ring table is in abutment with the barrel end, and then the pen cap is closed, thereby completing the installation of the washing pen. Of course, the liquid can be injected into the barrel in advance during the assembly process, or the washing liquid can be injected through the liquid injection structure at the bottom of the barrel after the assembly is completed.
[0085] As Figure 22 、 Figure 23 shown, in use, open the pen cap, the pen head downward, align the clothes, cotton, sofa, etc. Large dirty parts or gaps, press the pen head, the pen head press pen head driven base to pump body movement, so that the base on the piston seal open body and piston disengaged seal, at this time, the liquid inside the barrel through the liquid passage 100 into the pump body inside the liquid cavity 70, then through the piston cavity 80, then through the liquid outlet channel 34 on the pen head to the pen head and then to the parts to be cleaned. The base to the pump body compression spring inside the pump body during the process of opening the liquid passage, the liquid inside the pump body part from the pen head, part of the liquid through the pump body bottom drain hole back to the barrel inside.
[0086] The cleaning liquid in the pen barrel is applied to the part to be cleaned, the pen head is stopped, and the rubbing part on the pen head is rubbed against the part to be cleaned. The sandblasted surface is rubbed against the part to be cleaned several times until the part to be cleaned is cleaned, and then the cleaning liquid is wiped clean with a clean paper towel or cloth, so that the part to be cleaned is quickly cleaned.
[0087] The cleaning pen can be used once or repeatedly filled with liquid for general use.
[0088] The cleaning pen is convenient to carry and use, can quickly clean the stains on the part to be cleaned, and can be widely applied to the cleaning of large or small items or parts of the items, and solves the problem of inconvenience of cleaning the large or small items or the clothes and other items when traveling.
[0089] The above embodiments are only part of the embodiments of the present application, not all embodiments. Meanwhile, based on the embodiments described in the present application, all other embodiments obtained by those skilled in the art without creative labor on the basis of the technical solutions of the present application should belong to the protection scope of the present application.
Claims
1. A scrubbing pen, characterized by: The application relates to a pen containing washing liquid, which comprises a pen barrel (1) containing washing liquid, a liquid pump assembly (4) arranged in the pen barrel (1), and a pen head (3) connected with the liquid pump assembly (4), wherein at least one liquid outlet channel (34) is arranged on the pen head (3) and is connected with the liquid pump assembly (4) and is opened and closed by the liquid pump assembly, and a rubbing part (32) is arranged on the pen head (3).
2. The scrubbing pen of claim 1, wherein: The rubbing part (32) is a sandblasting structure.
3. The scrubbing pen of claim 2, wherein: The rubbing part (32) comprises an inclined rubbing surface (37) and a gap rubbing part (38); the rubbing surface (37) is arranged on the side of the gap rubbing part (38), and the gap rubbing part (38) is arranged at the end of the rubbing part (32).
4. The scrubbing pen of claim 3, wherein: The rubbing part (32) further comprises a pen tip part (39) which is arranged at one end of the gap rubbing part (38) in an inclined manner.
5. The wash pen according to any one of claims 1 to 4, characterized in that: The pen head (3) and the liquid pump assembly (4) are sealingly connected to the pen barrel (1) through a connecting piece (6); a pump body mounting cavity (60), a piston mounting cavity (64) and a pen head movable mounting cavity (65) are arranged in the connecting piece (6) from bottom to top.
6. The scrubbing pen of claim 5, wherein: The liquid pump assembly (4) is internally provided with a liquid channel (200); the liquid pump assembly (4) comprises a pump body (7) provided with an upper liquid channel (100), a piston (8) sealingly connected to the pump body, a base (9) arranged in the piston and the pump body in an opening and closing mode, and a spring (10) arranged between the pump body and the base (9).
7. The scrubbing pen of claim 6, wherein: The pump body (7) is sealingly clamped in the pump body mounting cavity (60), the piston (8) is sealingly clamped in the piston mounting cavity (64), and the pen head (3) is slidingly arranged in the pen head movable mounting cavity (65) and the piston and abuts against the base (9).
8. The scrubbing pen of claim 6, wherein: The pump body (7) is internally provided with a liquid cavity (70), the bottom of the liquid cavity (70) is provided with a spring seat (77), the spring seat (77) is internally provided with a liquid discharge hole (78) penetrating the liquid cavity (70) inside and outside, and the upper liquid channel (100) is arranged on the side of the pump body (7).
9. The scrubbing pen of claim 6, wherein: The base (9) is provided with a piston sealing opening and closing body (92), a spring seat body (93) and a pen head positioning protrusion (94); the piston (8) is internally provided with a piston cavity (80), and the liquid outlet channel (34) is connected with the piston cavity (80).
10. The wash pen according to any one of claims 1 to 4, wherein: The application further comprises a pen cap (2); a liquid filling structure (5) is further arranged on the pen barrel (1), and the liquid filling structure (5) is a one-way liquid filling port, a liquid filling valve or a barrel cover.