A valve for a glue dispenser facilitating switching of glue dispensing state

Abstract

The application discloses a valve for a glue dispenser, and relates to the technical field of mechanical valves, which comprises a valve body, an input pipeline communicated with the upper portion of the valve body, an output pipeline communicated with the lower portion of the valve body, a control module installed on the outer portion of the valve body, and a cleaning assembly arranged on the outer portion of the valve body. The control module realizes the switching of different working states of the valve body by controlling the position change of an inner valve core installed in the valve body. The side portion of the valve body is symmetrically connected with an upper pipeline and a lower pipeline. When the valve body is in a glue dispensing state, compared with the one-way inflow and overall flushing of cleaning liquid in the prior art, it is difficult to completely remove the residual glue liquid in each part of the valve body. However, the device forms a double-path partition cleaning mode, directionally flushes the input and output pipelines and different areas of the valve core, effectively reduces the cleaning blind area, greatly improves the cleaning efficiency and cleanliness, and reduces the risk of blockage caused by residual glue liquid.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical valves, in particular to a valve for a glue dispenser facilitating switching of glue dispensing state. BACKGROUND

[0002] The valve for the glue dispenser facilitating switching of glue dispensing state is a three-way valve for a glue dispenser, which usually has two input ends connected to glue liquid and cleaning liquid respectively, and an output end connected to a glue dispensing head. The valve realizes efficient conversion of glue dispensing and cleaning functions by flexible switching of fluid paths, can adapt to glue dispensing requirements in various scenes, and has compact structure, which can effectively improve glue dispensing efficiency and reduce the risk of pipeline blockage.

[0003] However, the prior art still has the following defects in specific use: 1. Compared with the prior art, the cleaning effect is poor in the one-way inflow and overall flushing mode of cleaning liquid: such a valve usually has a single cleaning channel, and the cleaning liquid can only flow along a fixed path after entering, and cannot change the flow direction according to the needs of different areas inside the valve. At the same time, the single cleaning path makes it difficult for the cleaning liquid to act precisely on specific parts, and it is impossible to adjust the cleaning intensity and direction according to the characteristics of residual high-viscosity glue liquid in the input pipeline, solidified glue blocks in the output pipeline, etc. In addition, the flow of one-way inflowing cleaning liquid inside the valve lacks dynamic changes, and cannot form effective flushing and peeling effects, making it difficult to deal with stubborn glue stains in complex structures.

[0004] Firstly, the cleaning blind area is widespread in the cleaning method of the prior art, and complex structure areas such as the input pipeline corner, the connection between the valve core and the pipeline, etc. inside the valve become the most disaster areas of glue liquid residue because the cleaning liquid is difficult to fully cover and act. Secondly, the cleaning efficiency is extremely low, and stubborn glue stains cannot be removed by single cleaning, which requires repeated flushing. This not only causes a large amount of waste of cleaning liquid, but also greatly prolongs the equipment downtime, reduces the production efficiency, and more seriously, the long-term accumulation of residual glue liquid can be solidified, which can cause valve blockage, valve core jamming, sealing failure and other faults, increase equipment maintenance frequency and cost, and even affect the glue dispensing accuracy, leading to a decline in product quality, and even force the production line to stop for maintenance.

[0005] 2. The glue dispenser valve in the prior art cannot realize efficient and orderly flow of cleaning liquid. The traditional valve only relies on a single channel to deliver cleaning liquid, and has no blocking or shunt control components. The cleaning liquid flow path is fixed and uncontrollable. During the cleaning process, the cleaning liquid cannot adjust the flow rate and flow direction according to the needs of different areas inside the valve, and there is no process of pressure accumulation and release. When the flow of cleaning liquid is large, pressure imbalance may occur inside the valve, causing backflow of cleaning liquid, which not only reduces the cleaning efficiency, but also may contaminate the cleaning liquid storage device. When the flow is small, it is difficult to form enough flushing force to effectively remove stubborn residual glue liquid.

[0006] Therefore, in view of the above, the present application provides a valve for a dispensing machine to facilitate switching of dispensing states to make up for and improve the shortcomings of the prior art. SUMMARY

[0007] To solve the above technical problems, the present application provides a valve for a dispensing machine to facilitate switching of dispensing states to solve the technical problems raised in the background art.

[0008] To achieve the above purpose, the technical solution adopted by the present application is as follows: a valve for a dispensing machine to facilitate switching of dispensing states, comprising a valve body, an input pipe connected to the upper part of the valve body, an output pipe connected to the lower part of the valve body, a control module installed on the outside of the valve body, and a cleaning assembly provided on the outside of the valve body, the cleaning assembly comprising an inner valve core installed inside the valve body, the control module changing the position of the inner valve core to switch the different working states of the valve body, the side part of the valve body being symmetrically connected to an upper pipe and a lower pipe, when the valve body is in a dispensing state, the input pipe, the output pipe and the inner valve core are connected, the upper pipe and the lower pipe are closed, and the glue solution can flow smoothly from the input pipe to the output pipe for dispensing work; when the valve body is in a cleaning state, the upper pipe, the lower pipe and the inner valve core are connected, the input pipe stops conveying, the cleaning liquid enters the inside of the valve body for flushing, and the subsequent residual glue and cleaning liquid mixture is discharged from the output pipe; a partition is installed inside the valve body, an assembly shaft disc is installed on the outside of the valve body, the assembly shaft disc and the partition cooperate to provide the inside of the valve body with cleaning liquid in an intermittent impact mode, and the upper pipe, the lower pipe and the partition cooperate with each other to change the flow direction of the cleaning liquid, thereby processing the inside of the valve body in a targeted manner.

[0009] Further, the middle part of the inner valve core is fixedly connected with an elastic sheet, the elastic sheet is in the shape of a semicircular convex, and the convex part is made of an elastic material, specifically a rubber material, having the characteristics of high elasticity and wear resistance.

[0010] Further, the outer wall of the inner valve core is provided with an adaptive hole at the positions corresponding to the upper pipe and the lower pipe, and the inner valve core and the upper pipe and the lower pipe are in a switchable communication state through the adaptive hole.

[0011] Further, the upper pipe and the lower pipe are both composed of a straight cylinder part and an inclined part, one end of the upper pipe near the valve body is inclined downward, one end of the lower pipe near the valve body is inclined upward, and a blocking valve is installed inside the straight cylinder part of the upper pipe.

[0012] Further, the blocking valve is initially closed, and an inclined touch shaft is arranged on the outer wall of the blocking valve and rotationally connected with the upper pipeline.

[0013] Further, a connecting shell is fixedly connected to the outer wall of the valve body at the position corresponding to the partition, and the valve body and the partition are slidingly connected through the connecting shell; when the valve body is in the dispensing state, the partition is located outside the valve body; when the valve body is in the cleaning state, the partition can intermittently move on the inner and outer sides of the valve body.

[0014] Further, the partition is composed of a double-layered clamping plate shaft and a clamping spring, and the partition is located at the central position of the valve body and the inner valve core.

[0015] Further, the outer part of the valve body is provided with a driving assembly, the driving assembly comprises a driving cylinder, a limiting sleeve ring is sleeved on the outer part of the driving cylinder, the limiting sleeve ring is located between the driving motor and the reciprocating wire shaft, an assembly shaft disc is sleeved on the output shaft end of the driving cylinder, and the side, away from the driving cylinder, of the assembly shaft disc is embeddedly inserted with the partition.

[0016] Further, an arc abutting shaft is fixedly connected to the outer wall of the assembly shaft disc, the inclined touch shaft is located on the movement path of the arc abutting shaft, and the opening and closing state of the blocking valve is synchronously switched through the movement change of the arc abutting shaft.

[0017] Further, the driving assembly further comprises a driving motor, the driving motor can also be arranged in the inner part of the limiting sleeve ring, a reciprocating wire shaft is sleeved on the output shaft end of the driving motor, a threaded ring cylinder is threadedly connected to the outer wall of the reciprocating wire shaft, a ball screw structure is formed between the reciprocating wire shaft and the threaded ring cylinder, and the outer wall of the threaded ring cylinder can also be sleeved with the assembly shaft disc.

[0018] Compared with the prior art, the device has the following beneficial effects: (1) the device is provided with the upper pipeline and the lower pipeline with opposite inclined directions, and cooperates with the partition at the central position, so that the internal part of the valve is cleaned in a divided area, specifically, the downward inclined input mode of the upper pipeline enables the cleaning liquid to directly flush the inner wall of the input pipeline and the residual glue liquid on the upper half part of the inner valve core; the upward inclined input mode of the lower pipeline focuses on cleaning the output pipeline and the lower half part of the inner valve core; compared with the prior art which adopts one-way inflow and overall flushing of the cleaning liquid and is difficult to completely remove the residual glue liquid in each part of the valve, the device forms a double-path divided cleaning mode, directionally flushes the input and output pipelines and the different areas of the valve core, effectively reduces the cleaning blind area, greatly improves the cleaning efficiency and cleanliness, and reduces the risk of blockage caused by residual glue liquid.

[0019] The inner valve core is provided with a semicircular elastic sheet. When the partition moves reciprocatingly in the cleaning state, the convex part of the elastic sheet can buffer the contact stress between the partition and the inner valve core through deformation, so as to avoid component wear or jam caused by rigid collision, and ensure smooth switching between the dispensing and cleaning states of the valve.

[0020] (2) In actual use, when the partition moves out of the valve body, the blocking valve is synchronously closed to provide space for the upper part of the valve body to flow downward, so as to ensure the orderly flow of the cleaning liquid and avoid internal pressure imbalance or backflow of the cleaning liquid; when the partition moves into the valve body, the blocking valve is synchronously opened, which makes the cleaning liquid accumulated when the valve is closed be released instantaneously, so as to form an impact flow and make the cleaning liquid flush the input pipeline and the upper part of the inner valve core with greater impact force, thereby realizing deep cleaning and improving cleaning efficiency and cleanliness.

[0021] Especially important is that this mode can be targeted at the residual characteristics of glue liquid in different areas, such as the input pipeline and the upper part of the inner valve core which are prone to residual high-viscosity initial glue liquid. Therefore, the upper pipeline is in the mode of intermittent impact delivery, the high-viscosity initial glue liquid has strong adhesion, intermittent impact can generate pressure fluctuation, instantaneously enhance shear force, and effectively strip stubborn glue layer; and the output pipeline is prone to form solidified residues, so that when the partition moves out of the inner valve core, all the cleaning liquid flows downward and is discharged, thereby increasing the cleaning pressure and the flow rate of the cleaning liquid, and the solidified glue block needs to be flushed with high flow rate to fall off. The "liquid discharge channel" formed when the partition moves out can concentrate the flow rate, flush the residues through the synergistic effect of flow rate and pressure, and quickly take out the valve to prevent secondary deposition and ensure the smoothness of the output pipeline.

[0022] In the cleaning process, the cleaning liquid continuously impacts the partition, and the partition continuously vibrates under the action of the inner interlayer spring, which can reduce the adhesion probability of the glue liquid on the surface of the elastic sheet. At the same time, the connection shell is introduced outside the partition. In terms of movement stability, the connection shell acts as a limiting guide rail to effectively constrain the movement track of the partition, avoid deviation or shaking of the partition in high-frequency reciprocating motion, ensure the precision of the flow control of the cleaning liquid, and prevent the cleaning blind area caused by deviation of the partition. In terms of self-cleaning, the inner wall of the connection shell closely fits the partition. When the partition moves, the inner wall of the connection shell can scrape off the residual glue liquid or cleaning liquid impurities attached to the surface of the partition like a scraper, avoid the accumulation of residues affecting the smoothness of the movement of the partition, and reduce the risk of jam caused by impurities. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front perspective structure schematic diagram of the present application.

[0024] Figure 2 It is a perspective structure schematic diagram of each component in the dispensing state of the present application.

[0025] Figure 3 Figure 1 is a schematic diagram of the three-dimensional structure of the driving cylinder of the present application.

[0026] Figure 4 Figure 2 is a schematic diagram of the three-dimensional structure of the components in the cleaning state of the present application.

[0027] Figure 5 Figure 3 is an exploded view of the cleaning assembly of the present application.

[0028] Figure 6 Figure 4 is a schematic diagram of the three-dimensional structure of the inside of the valve body in the cleaning state of the present application.

[0029] Figure 7 Figure 5 is a schematic diagram of the three-dimensional structure of the inner valve core of the present application.

[0030] Figure 8 Figure 6 is a schematic diagram of the three-dimensional structure of the partition of the present application.

[0031] Figure 9 Figure 7 is a schematic diagram of the three-dimensional structure of the driving assembly of the present application.

[0032] Figure 10 Figure 8 is a schematic diagram of the three-dimensional structure of the driving motor of the present application.

[0033] Figure 11 Figure 9 is a schematic diagram of the three-dimensional structure of the reciprocating wire shaft of the present application.

[0034] In the figure, the reference numerals are as follows: 1, valve body; 11, input pipeline; 12, output pipeline; 13, control module.

[0035] 21, cleaning assembly; 211, inner valve core; 212, elastic sheet; 213, adaptive hole; 214, upper pipeline; 215, lower pipeline; 216, blocking valve; 217, inclined surface contact shaft; 218, partition; 219, connecting shell.

[0036] 31, driving assembly; 311, limiting sleeve ring; 312, driving cylinder; 313, assembly shaft disc; 314, driving motor; 315, reciprocating wire shaft; 316, threaded ring cylinder. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] It should be noted that the structure and working principle of the valve body 1, input pipeline 11, output pipeline 12, control module 13 and other devices belong to the prior art, and will not be described here.

[0039] Embodiment 1: Please refer to Figures 1-11 As shown in the drawings, a valve for a glue dispenser capable of switching the glue dispensing state, comprising a valve body 1, an input pipeline 11 communicated with the upper part of the valve body 1, an output pipeline 12 communicated with the lower part of the valve body 1, a control module 13 installed on the outer part of the valve body 1, a cleaning assembly 21 arranged on the outer part of the valve body 1, the cleaning assembly 21 comprising an inner valve core 211 installed in the inner part of the valve body 1, the control module 13 switches the different working states of the valve body 1 by controlling the position change of the inner valve core 211, the upper pipeline 214 and the lower pipeline 215 are symmetrically communicated with the side part of the valve body 1, when the valve body 1 is in the glue dispensing state, the input pipeline 11, the output pipeline 12 and the inner valve core 211 are communicated, the upper pipeline 214 and the lower pipeline 215 are closed, the glue solution can flow from the input pipeline 11 to the output pipeline 12 for glue dispensing operation, when the valve body 1 is in the cleaning state, the upper pipeline 214, the lower pipeline 215 and the inner valve core 211 are communicated, the input pipeline 11 stops conveying, the cleaning liquid enters the inner part of the valve body 1 for flushing, and the subsequent residual glue and the cleaning liquid mixture are discharged from the output pipeline 12.

[0040] Need to explain, the inside of the valve body 1 is provided with a partition 218, the outside of the valve body 1 is provided with an assembly shaft disc 313, the assembly shaft disc 313 and the partition 218 cooperate to provide intermittent impact for the inside of the valve body 1, the upper pipeline 214, the lower pipeline 215 and the partition 218 cooperate to change the flow direction of the cleaning liquid, and then the inside of the valve body 1 is processed, the middle part of the inner valve core 211 is fixedly connected with a spring sheet 212, the spring sheet 212 is in the shape of a semicircular moon, and the protruding part is made of elastic material, the outer wall of the inner valve core 211 is provided with an adaptive hole 213 corresponding to the positions of the upper pipeline 214 and the lower pipeline 215, the inner valve core 211 and the upper pipeline 214 and the lower pipeline 215 are in switchable communication state through the adaptive hole 213, the upper pipeline 214 and the lower pipeline 215 are composed of straight cylinder part and inclined part, the end of the upper pipeline 214 close to the valve body 1 is inclined downward, the end of the lower pipeline 215 close to the valve body 1 is inclined upward, the inside of the straight cylinder part of the upper pipeline 214 is provided with a blocking valve 216, the blocking valve 216 is initially in the closed state, the outer wall of the blocking valve 216 is provided with a bevel touch shaft 217, the bevel touch shaft 217 is in rotating connection with the upper pipeline 214, the outer wall of the valve body 1 is fixedly connected with a connecting shell 219 corresponding to the position of the partition 218, the valve body 1 and the partition 218 are in sliding connection through the connecting shell 219, when the valve body 1 is in the state of dispensing, the partition 218 is located outside the valve body 1, when the valve body 1 is in the cleaning state, the partition 218 can move intermittently between the inside and outside of the valve body 1, the partition 218 is composed of double-layer clamping plate shaft and interlayer spring, the partition 218 is located at the center position of the valve body 1 and the inner valve core 211, the outside of the valve body 1 is provided with a driving assembly 31, the driving assembly 31 comprises a driving cylinder 312, the outer wall of the driving cylinder 312 is sleeved with a limiting sleeve ring 311, the limiting sleeve ring 311 is located between the driving motor 314 and the reciprocating wire shaft 315, the output shaft end of the driving cylinder 312 is sleeved with the assembly shaft disc 313, the side of the assembly shaft disc 313 away from the driving cylinder 312 is in embedded insertion with the partition 218, the outer wall of the assembly shaft disc 313 is fixedly connected with an arc abutting shaft, the bevel touch shaft 217 is located on the movement path of the arc abutting shaft, the opening and closing state of the blocking valve 216 is switched synchronously by the movement change of the arc abutting shaft.

[0041] Specifically, the initial state of the component is as follows Figure 2As shown, the control module 13 drives the inner valve core 211 to move to the dispensing position. At this time, the input pipe 11, the inner valve core 211, and the output pipe 12 are connected. The upper pipe 214 and the lower pipe 215 are offset from the inner valve core 211 through the adapter hole 213 and are in a closed state. The separator 218 is completely moved out of the valve body 1 under the action of the driving cylinder 312 and is located outside the valve body 1. The connecting shell 219 seals the opening on the side wall of the valve body 1 to prevent glue leakage. The blocking valve 216 is kept closed under the action of the inclined contact shaft 217, and the upper pipe 214 is blocked.

[0042] During the dispensing process, the adhesive flows in from the input pipe 11, passes through the central channel of the inner valve core 211, and reaches the output pipe 12 for dispensing. The elastic protrusion of the spring 212 and the separator 218 form a seal to prevent the adhesive from seeping into the cleaning area. The drive component 31 is in standby mode.

[0043] The cleaning process, such as Figure 4 As shown, the control module 13 drives the inner valve core 211 to rotate, aligning the adapter hole 213 with the upper pipe 214 and the lower pipe 215. At this time, the supply of adhesive to the input pipe 11 has stopped. The drive cylinder 312 pushes the assembly shaft disc 313, causing the separator 218 to move intermittently back and forth along the inner wall of the connecting shell 219 and enter the valve body 1. When the separator 218 moves into the valve body 1, the arc abutment of the assembly shaft disc 313 touches the inclined contact shaft 217, opening the shut-off valve 216. The cleaning fluid is input from the downward-sloping upper pipe 214, impacting the inner wall of the input pipe 11 and the upper half of the inner valve core 211, peeling off the high-viscosity adhesive. At this time, the double-layer clamping shaft of the separator 218 vibrates at high frequency under the action of the clamping spring, enhancing the disturbance effect of the cleaning fluid. Meanwhile, the upward-sloping lower pipe 215 continuously delivers the cleaning fluid, directly flushing the solidified adhesive block in the output pipe 12 and the lower half of the inner valve core 211. When the separator 218 moves out of the valve body 1, the shut-off valve 216 closes, and the upper pipe 214 stops delivering the cleaning fluid, while the lower pipe 215 continues to deliver the cleaning fluid. Because the delivery of the cleaning fluid is continuous during this process, the cleaning fluid in the upper pipe 214 is forcibly stopped by the closed shut-off valve 216. Therefore, at this time, all the cleaning fluid in the inner valve core 211 flows downward, increasing the discharge flow and pressure of the output pipe 12, and quickly carrying away the adhesive block that has fallen off inside the output pipe 12.

[0044] The reciprocating movement of the aforementioned separator 218 is synchronized with the opening and closing of the shut-off valve 216. When it moves out, the shut-off valve 216 closes, and the cleaning fluid accumulates pressure in the upper part of the valve body 1. When it moves in, the shut-off valve 216 opens, and the high-pressure cleaning fluid is released instantly, forming a pulsed impact flow, which focuses on cleaning the top area of ​​the input pipe 11 and the inner valve core 211.

[0045] Example 2: Based on Example 1, please refer to...Figures 1-11 As shown, in addition to the cooperation between the drive assembly 31 and other components mentioned in Embodiment 1, the drive cylinder 312 in the drive assembly 31 can also be replaced by the cooperation between the drive motor 314, the reciprocating wire shaft 315 and the threaded ring cylinder 316.

[0046] It should be noted that the drive assembly 31 also includes the drive motor 314, which can also be mounted inside the limiting sleeve ring 311. The output shaft end of the drive motor 314 is sleeved with the reciprocating wire shaft 315, and the outer wall of the reciprocating wire shaft 315 is threadedly connected with the threaded ring cylinder 316. The reciprocating wire shaft 315 and the threaded ring cylinder 316 form a ball screw structure, and the outer wall of the threaded ring cylinder 316 can also be sleeved and assembled with the shaft disc 313.

[0047] Specifically, when the drive assembly 31 adopts the combination of the drive motor 314, the reciprocating wire shaft 315 and the threaded ring cylinder 316, the reciprocating movement of the partition piece 218 is realized based on the ball screw transmission principle, and the specific process is as follows: The drive motor 314 is also mounted inside the limiting sleeve ring 311, and its output shaft directly drives the reciprocating wire shaft 315 to rotate. The reciprocating wire shaft 315 and the threaded ring cylinder 316 are connected through a ball screw pair, which converts the rotary motion of the motor into the linear motion of the threaded ring cylinder 316. The threaded ring cylinder 316 is sleeved and assembled with the shaft disc 313, which is embeddedly connected with the partition piece 218, so as to transmit the linear motion to the partition piece 218.

[0048] When the drive motor 314 continuously rotates, the reciprocating wire shaft 315 drives the threaded ring cylinder 316 to move axially to the valve body 1, pushing the assembled shaft disc 313 and the partition piece 218 to move into the valve body 1 synchronously, at this time, the partition piece 218 enters the cleaning station. At this time, the threaded ring cylinder 316 has moved to the farthest position from the drive motor 314, so as the drive motor 314 continues to rotate, it will pull the partition piece 218 out of the valve body 1 through the reciprocating wire shaft 315, returning to the initial standby position, thereby realizing the reciprocating movement of the partition piece 218.

[0049] This cooperation between the drive motor 314, the reciprocating wire shaft 315 and the threaded ring cylinder 316 has the characteristics of high transmission efficiency and low friction, which ensures that the driving force is efficiently transmitted to the partition piece 218.

[0050] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A valve for a glue dispenser facilitating switching of a glue dispensing state, comprising a valve body (1), an input pipeline (11) being communicated above the valve body (1), an output pipeline (12) being communicated below the valve body (1), and a control module (13) being installed outside the valve body (1), characterized in that: The valve body (1) is externally provided with a cleaning assembly (21), the cleaning assembly (21) comprises an inner valve core (211) mounted in the valve body (1), the control module (13) switches the different working states of the valve body (1) by controlling the position change of the inner valve core (211), the side part of the valve body (1) is symmetrically communicated with an upper pipeline (214) and a lower pipeline (215), when the valve body (1) is in the glue dispensing state, the input pipeline (11), the output pipeline (12) and the inner valve core (211) are communicated, the upper pipeline (214) and the lower pipeline (215) are closed, the glue solution can flow from the input pipeline (11) to the output pipeline (12) for glue dispensing operation; when the valve body (1) is in the cleaning state, the upper pipeline (214), the lower pipeline (215) and the inner valve core (211) are communicated, the input pipeline (11) stops conveying, the cleaning liquid enters the valve body (1) for flushing, and the subsequent residual glue and the cleaning liquid mixture are discharged from the output pipeline (12); the valve body (1) is internally provided with a partition (218), the valve body (1) is externally provided with an assembly shaft disc (313), the assembly shaft disc (313) and the partition (218) cooperatively provide the cleaning liquid in the valve body (1) in an intermittent impact mode, the upper pipeline (214), the lower pipeline (215) and the partition (218) cooperatively change the flow direction of the cleaning liquid, and then the inner part of the valve body (1) is processed in a targeted manner.

2. The valve for use in a dispenser according to claim 1, wherein: The middle part of the inner valve core (211) is fixedly connected with an elastic sheet (212), the elastic sheet (212) is in a semicircular convex shape as a whole, and the convex part is made of an elastic material.

3. The valve for use in a dispenser according to claim 1, wherein: The outer wall of the inner valve core (211) is provided with an adaptive hole (213) penetratingly arranged at the positions corresponding to the upper pipeline (214) and the lower pipeline (215), and the inner valve core (211) and the upper pipeline (214) and the lower pipeline (215) are in a switchable communication state through the adaptive hole (213).

4. The valve for use in a dispenser according to claim 3, wherein: The upper pipeline (214) and the lower pipeline (215) are both composed of a straight cylinder part and an inclined part, one end of the upper pipeline (214) close to the valve body (1) is inclined downward, one end of the lower pipeline (215) close to the valve body (1) is inclined upward, and the inner part of the straight cylinder part of the upper pipeline (214) is provided with a blocking valve (216).

5. The valve for use in a dispenser according to claim 4, wherein: The blocking valve (216) is initially in a closed state, the outer wall of the blocking valve (216) is provided with a bevel contact shaft (217), and the bevel contact shaft (217) is in rotational connection with the upper pipeline (214).

6. The valve for use in a dispenser according to claim 1, wherein: The outer wall of the valve body (1) is fixedly connected with a connecting shell (219) corresponding to the position of the partition (218), the valve body (1) and the partition (218) are in sliding connection through the connecting shell (219), when the valve body (1) is in the state of dispensing, the partition (218) is located outside the valve body (1), when the valve body (1) is in the cleaning state, the partition (218) can move intermittently between the inside and outside of the valve body (1).

7. The valve for use in a dispenser according to claim 6, wherein: The partition (218) is composed of a double-layer clamping shaft and a sandwich spring, and the partition (218) is located at the center position of the valve body (1) and the inner valve core (211).

8. The valve for use in a dispenser according to claim 1, wherein: The outer wall of the valve body (1) is provided with a driving assembly (31), the driving assembly (31) includes a driving cylinder (312), the outer wall of the driving cylinder (312) is sleeved with a limiting sleeve ring (311), the limiting sleeve ring (311) is located between the driving motor (314) and the reciprocating wire shaft (315), the output shaft end of the driving cylinder (312) is sleeved with an assembly shaft disc (313), and the side, away from the driving cylinder (312), of the assembly shaft disc (313) is embeddedly connected with the partition (218).

9. The valve for use in a dispenser according to claim 5, wherein: The outer wall of the assembly shaft disc (313) is fixedly connected with an arc abutting shaft, the inclined surface abutting shaft (217) is located on the movement path of the arc abutting shaft, and the opening and closing state of the blocking valve (216) is synchronously switched by the movement change of the arc abutting shaft.

10. The valve for use in a dispenser according to claim 8, wherein: The driving assembly (31) further includes a driving motor (314), the driving motor (314) can also be installed in the limiting sleeve ring (311), the output shaft end of the driving motor (314) is sleeved with a reciprocating wire shaft (315), the outer wall of the reciprocating wire shaft (315) is threadedly connected with a threaded ring cylinder (316), the reciprocating wire shaft (315) and the threaded ring cylinder (316) form a ball screw structure, and the outer wall of the threaded ring cylinder (316) can also be sleeved with the assembly shaft disc (313).

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