CN112079317A

CN112079317A - Liquid outlet mechanism of liquid distributor

Info

Publication number: CN112079317A
Application number: CN202011062183.1A
Authority: CN
Inventors: 邱迪清; 邱迪林
Original assignee: Taros Technology Co ltd
Current assignee: Taros Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2020-12-15
Also published as: WO2022068171A1

Abstract

The invention provides a liquid outlet mechanism of a liquid distributor, and belongs to the technical field of drinking equipment. The liquid outlet mechanism solves the problem that the liquid outlet mechanism of the existing liquid distributor is high in manufacturing cost. This liquid dispenser's play liquid mechanism, liquid dispenser includes the casing, this play liquid mechanism includes that the outer end stretches out the outer drain pipe of casing and establishes the handle outside the casing, go out liquid mechanism still establishes the extension pipe in the drain pipe outer end including the cover, be equipped with between extension pipe hole and the drain pipe hole and control both intercommunication or the jam structure of disconnection when the extension pipe slides, handle sliding connection or articulate in the casing outside, handle one end is equipped with the cooperation portion that is located the extension pipe lateral part, be equipped with between cooperation portion and the extension pipe and can drive the gliding guide structure of extension pipe when the handle slides or swings. The liquid outlet mechanism of the liquid distributor has the advantages of simple structure, low manufacturing cost and the like.

Description

Liquid outlet mechanism of liquid distributor

Technical Field

The invention belongs to the technical field of drinking equipment, relates to a liquid distributor, and particularly relates to a liquid outlet mechanism of the liquid distributor.

Background

Along with the continuous improvement of the living standard of people, beer becomes an indispensable drink for people in daily leisure activities or business activities, and meanwhile, people have higher requirements on the drinking mode of the beer, and more people favor to drink sanitary, fresh and delicious pure beer. Presently, draught beer in the market is filled in a barrel and then dispensed using a special machine or device, i.e. a liquid dispenser.

Traditional liquid distributor generally all includes the casing and fixes the top core on the casing, and the casing can set up to use as the base or lug connection uses on the cask according to the user mode to putting on the plane, is provided with inlet channel and liquid outlet channel on the top core, and the play wine pipe is connected in liquid outlet channel's exit, is provided with the booster mechanism that can supply air in to the inlet channel of top core in the casing. When the wine barrel is used, the wine barrel is connected to the shell, the top core is poked into the wine barrel to open the air path and the wine path, and then the pressurizing mechanism is used for inflating and pressurizing the wine barrel through the air inlet channel of the top core, so that wine in the wine barrel can be pumped out through the liquid outlet channel and the liquid outlet pipe in sequence for use. Wine is discharged by means of the internal pressure of the wine barrel, and wine can be continuously discharged when the internal pressure of the wine barrel is full, so that the waste of the wine can be undoubtedly caused for users.

In order to better control the flow of wine, the person skilled in the art will most easily think of a way to connect a tap directly to the end of the wine outlet tube, such as a pneumatic beer dispenser as disclosed in patent application No. 03214278.1 or a beer dispensing device as disclosed in application No. 201910740181.4. However, most faucets, except for the internal cartridge, are made substantially of metal, which undoubtedly increases the manufacturing costs of the overall liquid dispenser. For this situation, the conventional option is to use a lighter weight or cheaper material faucet instead.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a liquid outlet mechanism of a liquid distributor, which solves the problem of high manufacturing cost.

The purpose of the invention can be realized by the following technical scheme:

liquid dispenser's play liquid mechanism, liquid dispenser include the casing, this play liquid mechanism includes that the outer end stretches out the outer drain pipe of casing and establishes the handle outside the casing, its characterized in that, play liquid mechanism still establish the extension pipe in the drain pipe outer end including the cover, be equipped with between extension pipe hole and the drain pipe hole and control both intercommunication or the jam structure of disconnection when the extension pipe slides, handle sliding connection or articulate in the casing outside, handle one end is equipped with the cooperation portion that is located the extension pipe lateral part, be equipped with between cooperation portion and the extension pipe and can drive the gliding guide structure of extension pipe when the handle slides or swings.

The blocking structure is used for disconnecting the passage between the inner hole of the extension pipe and the inner hole of the liquid outlet pipe into an initial state, when liquid needs to be discharged, the control handle slides or swings, the handle can directly drive the extension pipe to slide through the guide structure arranged between the matching part and the extension pipe, and therefore the blocking structure opens the passage between the inner hole of the liquid outlet pipe and the inner hole of the extension pipe to form communication, and liquid is discharged. When the valve needs to be closed, the control handle slides or swings in the reverse direction, the extension pipe slides in the reverse direction under the action of the guide structure, and therefore the blocking structure can cut off the passage between the inner hole of the extension pipe and the inner hole of the liquid outlet pipe again.

In the liquid outlet mechanism, the handle is connected or hinged to the outer side of the shell in a sliding mode, the outer end of the liquid outlet pipe is sleeved with the extension pipe which can control the connection or disconnection of the inner hole of the liquid outlet pipe and the inner hole of the extension pipe when sliding, the matching part at one end of the handle is positioned on the side part of the extension pipe, a guide structure is arranged between the handle and the extension pipe, and the action of the handle during sliding or swinging can be directly converted into the sliding of the extension pipe through the guide structure, so that the liquid outlet control is realized. Compared with the control of liquid discharge by adopting the whole faucet, the liquid discharge mechanism only adopts the matching of the handle and the extension pipe, and at least omits a valve body and a valve core of the faucet, thereby well reducing the manufacturing cost.

In the above liquid outlet mechanism of the liquid distributor, the blocking structure includes a plug, and when the extension pipe slides, the blocking structure realizes liquid outlet control through the position change of the plug relative to the liquid outlet pipe or the extension pipe.

Through the arrangement of the plug, the inner hole of the liquid outlet pipe or the inner hole of the extension pipe is plugged by the plug, so that a passage between the extension pipe and the liquid outlet pipe is isolated. When the extension pipe slides, the position of the plug relative to the extension pipe or the liquid outlet pipe changes, so that the inner hole of the liquid outlet pipe or the inner hole of the extension pipe is opened to communicate the passage between the extension pipe and the liquid outlet pipe.

In the liquid outlet mechanism of the liquid distributor, the extension pipe is internally fixed with a positioning sleeve, the plug is fixedly connected to the inner side of the positioning sleeve through a plurality of connecting strips, the blocking structure further comprises an outer port of the liquid outlet pipe, and the plug can be blocked in the outer port of the liquid outlet pipe or separated from the outer port of the liquid outlet pipe when the extension pipe slides.

When the extending pipe slides to make the plug block the outer port of the liquid outlet pipe, the liquid outlet pipe is blocked and does not discharge liquid. When the extending pipe slides to separate the plug from the outer port of the liquid outlet pipe, the outer port of the liquid outlet pipe is opened to enable liquid to be discharged.

In the liquid outlet mechanism of the liquid distributor, the inner hole of the extension pipe comprises a first hole and a second hole which are arranged on the same central line, the aperture of the second hole is larger than that of the first hole, the outer end of the liquid outlet pipe penetrates through the second hole, the plug is connected with the outer end part of the liquid outlet pipe through a plurality of support bars, and the plug can be plugged in the first hole or retracted into the second hole when the extension pipe slides.

When the extension pipe slides, the relative position between the extension pipe and the plug can be changed. And the plug is plugged in the first hole of the extension pipe, and the passage between the inner hole of the liquid outlet pipe and the inner hole of the extension pipe is disconnected at the moment. When the extension pipe slides to enable the plug to be located at the second hole, the aperture of the second hole is larger than that of the first hole, so that a passage between the inner hole of the liquid outlet pipe and the inner hole of the extension pipe is opened.

In the above liquid outlet mechanism of the liquid dispenser, the guide structure includes a strip-shaped guide groove disposed on the matching portion and a protruding head disposed on a side portion of the extension tube, the guide groove is disposed obliquely, the protruding head is disposed in the guide groove, and the guide groove can slide along the protruding head when the handle slides or swings.

The raised head is positioned in the guide groove, when the handle slides or swings, the guide groove can move relative to the raised head, and due to the inclined arrangement of the guide groove, thrust can be exerted on the raised head through the side wall of the guide groove in the process that the guide groove moves relative to the raised head, so that the extension pipe slides relative to the liquid outlet pipe to control liquid outlet.

In the above liquid outlet mechanism of the liquid dispenser, as another technical solution, the guide structure includes a protruding head disposed on the matching portion and a strip-shaped guide groove disposed at a side portion of the extension pipe, the guide groove is disposed obliquely, the protruding head is located in the guide groove, and the protruding head can slide along the guide groove when the handle slides or swings.

The raised head is positioned in the guide groove, when the handle slides or swings, the raised head can slide along the guide groove, and due to the inclined arrangement of the guide groove, the raised head can apply thrust on the side wall of the guide groove in the process of moving relative to the guide groove, so that the extension pipe slides relative to the liquid outlet pipe to control liquid outlet.

The raised head is matched with the guide groove, so that the handle can directly drive the extension pipe to slide to control the liquid outlet pipe to be opened or closed, the integral structure of the liquid outlet mechanism is further simplified, and the manufacturing cost is reduced; and the transmission process is simpler, and the stability of liquid outlet control is improved.

In the liquid outlet mechanism of the liquid distributor, the guide groove comprises a guide section which is obliquely arranged and positioning sections which are connected with two ends of the guide section, and the two positioning sections are straight sections which are parallel to the sliding direction of the handle.

Through the guide section that the slope set up for can directly drive the extension pipe when the handle slides or swings and slide in order to simplify the structure of play liquid mechanism for the drain pipe. Meanwhile, by arranging the two positioning sections which are flat sections, after the handle drives the extension pipe to slide, the raised head is clamped into the positioning sections, so that the extension pipe can be stably kept in a state after sliding. This approach can both retain the control stability as with a faucet while greatly reducing manufacturing costs.

In the liquid outlet mechanism of the liquid distributor, the matching part is U-shaped, the matching part is sleeved outside the extension pipe, and the number of the raised heads and the number of the guide grooves are two.

The U-shaped matching part is matched with the extension pipe, so that the extension pipe can be pushed to slide easily and stably when the handle slides or swings.

In the liquid outlet mechanism of the liquid distributor, the handle comprises a long block-shaped handle body, the matching part is integrally and fixedly connected to one end of the handle body, a sliding groove with a T-shaped cross section is formed in one side of the handle body and communicated with an opening of the matching part, and at least one matching block matched with the sliding groove is fixedly connected to the outer side of the shell.

During assembly, the matching block slides into the sliding groove of the handle from the opening of the matching part, so that the handle can be in sliding connection with the shell, and then the handle and the extension pipe are matched with each other to form the guide groove and the raised head, so that the extension pipe can be driven to slide to control liquid discharge when the handle slides. Moreover, the handle is in a block shape, so that the mechanical strength of the handle is higher, and the handle is not easy to damage when a user drinks too much and applies too much force.

In the liquid outlet mechanism of the liquid distributor, the inner side of the end part of the matching part is provided with a notch communicated with one positioning section, and the raised head is clamped into the guide groove from the notch.

The inner side of the end part of the matching part is provided with a notch communicated with one positioning section, and the raised head can be clamped into the guide groove from the notch, so that a guide structure for driving the extension pipe to slide when the handle acts can be formed between the raised head and the guide groove.

In the liquid outlet mechanism of the liquid distributor, a limit pin is fixed between two parallel side groove walls of the sliding groove in the handle body, the limit pin is arranged close to the matching part, and when the handle slides along the opposite direction in which the raised head is clamped into the guide groove from the notch, the limit pin can abut against the matching block.

When the handle slides along the opposite direction of clamping the raised head into the guide groove from the notch, the limit pin abuts against the matching block to control the sliding distance of the handle, so that the raised head is prevented from being directly separated from the handle through the notch, the manufacturing cost is reduced, and the reliability of the structure is ensured.

Compared with the prior art, the liquid outlet mechanism of the liquid distributor has the following advantages:

1. the liquid outlet can be controlled only by combining the handle and the extension pipe with the guide structure arranged between the handle and the extension pipe, the integral structure of the liquid outlet mechanism is well simplified, and the manufacturing cost is reduced;

2. the guide groove comprises an inclined guide section and positioning sections which are connected to two ends of the guide section and are flat sections, the guide section is used for realizing the sliding of the extension pipe, and the positioning ends enable the extension pipe to be stably kept in a state after the extension pipe slides, so that the control stability like a faucet is kept, and meanwhile, the manufacturing cost is greatly reduced;

3. the handle is in a block shape, so that the mechanical strength of the handle is higher, and the handle is not easy to damage when a user drinks too much and applies too much force.

Drawings

Fig. 1 is a schematic view of a liquid outlet mechanism of the liquid distributor according to the first embodiment.

Fig. 2 is a sectional view of the liquid dispenser according to the first embodiment of the liquid dispensing mechanism in the liquid dispensing state.

Fig. 3 is a cross-sectional view (in a direction perpendicular to fig. 2) of the liquid outlet mechanism of the present liquid dispenser at the location of the extension tube and the liquid outlet tube.

FIG. 4 is a schematic view of the handle and extension tube of the dispensing mechanism of the present liquid dispenser.

Fig. 5 is a schematic view of a handle in a dispensing mechanism embodiment of the present liquid dispenser.

FIG. 6 is a schematic view of a housing of the dispensing mechanism of the present liquid dispenser.

Fig. 7 is a sectional view of the liquid dispenser according to the first embodiment of the liquid dispensing mechanism in a state of not dispensing liquid.

In the figure, 1, a housing; 1a, a working cavity; 1b, a connecting cavity; 1c, clamping the convex edge; 1d, matching blocks; 2. a core; 2a, an intake passage; 2b, a liquid outlet channel; 3. a liquid outlet pipe; 4. an extension pipe; 4a, a raised head; 5. a handle; 5a, a handle body; 5a1, a chute; 5a2, an operation section; 5b, a matching part; 5b1, guide groove; 5b11, a guide section; 5b12, a positioning section; 5b2, notch; 6. a spacing pin; 7. a piston; 8. a spring; 9. a plug; 10. a positioning sleeve; 11. and (4) connecting strips.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in figures 1 and 2, the liquid outlet mechanism of the liquid distributor comprises a shell 1, wherein the shell 1 is cylindrical, a working cavity 1a is arranged at the upper part of the shell 1, a piston 7 is arranged in the working cavity 1a in a sliding manner, and a spring 8 which has elasticity acting on the piston 7 and always has upward movement tendency is arranged in the working cavity 1 a. The bottom of the shell 1 is provided with a connecting cavity 1b, a plurality of clamping convex edges 1c are distributed at the opening part of the connecting cavity 1b along the circumferential direction, a clamping gap is formed between the clamping convex edges 1c and the top wall of the connecting cavity 1b, and a clamping gap 5b2 is formed between the adjacent two clamping convex edges 1 c. Be equipped with in the connection chamber 1b and be cylindrical plunger 2, be equipped with inlet channel 2a and liquid outlet channel 2b in the plunger 2, the lateral part of plunger 2 and the import of liquid outlet channel 2b are located the bottom of plunger 2 are located in the export of liquid outlet channel 2b, and the top of plunger 2 is located in the import of inlet channel 2a and is linked together with working chamber 1a, and the export of inlet channel 2a is located the lower extreme lateral part of plunger 2.

As shown in fig. 2 and 3, the liquid outlet mechanism includes a liquid outlet pipe 3 having an inner end inserted into the outlet of the liquid outlet channel 2b and an outer end extending out of the side portion of the housing 1, and an extension pipe 4 sleeved on the outer end of the liquid outlet pipe 3, and a blocking structure is disposed between the inner hole of the extension pipe 4 and the inner hole of the liquid outlet pipe 3 for controlling the connection or disconnection of the extension pipe 4 and the liquid outlet pipe when the extension pipe 4 slides. Specifically, the blocking structure comprises a plug 9, a positioning sleeve 10 is fixed in the extension pipe 4, the plug 9 is located on the inner side of the positioning sleeve 10, and the plug 9 is fixedly connected with the positioning sleeve 10 through a plurality of connecting strips 11. Wherein, the external diameter of end cap 9 is less than the internal diameter of position sleeve 10, and connecting strip 11 is the L type, and position sleeve 10 cover is outside drain pipe 3, and the jam structure still includes the outer port of drain pipe 3, and end cap 9 can block up in the outer port of drain pipe 3 or with the separation of the outer port of drain pipe 3 when extension pipe 4 slides. In this embodiment, the inner diameter of the outer port of the liquid outlet pipe 3 is smaller than the inner diameter of the inner hole of the liquid outlet pipe 3, and the plug 9 is specifically inserted into the inner hole of the liquid outlet pipe 3 to open the outer port of the liquid outlet pipe 3.

As shown in fig. 1, 2, 4 and 5, the liquid outlet mechanism further includes a handle 5 disposed outside the housing 1, the handle 5 is slidably connected to the outside of the housing 1, one end of the handle 5 is disposed at a matching portion 5b, the matching portion 5b is disposed at a side portion of the extension pipe 4, and a guiding structure capable of driving the extension pipe 4 to slide when the handle 5 slides is disposed between the matching portion 5b and the extension pipe 4. Wherein, the guiding structure comprises a strip-shaped guiding groove 5b1 arranged on the matching part 5b and a projection 4a arranged at the side of the extension tube 4, the guiding groove 5b1 is obliquely arranged, the projection 4a is positioned in the guiding groove 5b1, and the guiding groove 5b1 can slide along the projection 4a when the handle 5 slides. The guide slot 5b1 specifically includes a guide section 5b11 arranged obliquely and positioning sections 5b12 connected to both ends of the guide section 5b11, and both the positioning sections 5b12 are straight sections parallel to the sliding direction of the handle 5.

As shown in fig. 2, 4, 5 and 6, the handle 5 is a long block-shaped handle body 5a, the matching portion 5b is integrally and fixedly connected to one end of the handle body 5a, the matching portion 5b is U-shaped, the matching portion 5b is sleeved outside the extension pipe 4, and the number of the raised heads 4a and the number of the guide grooves 5b1 are two. The other end of the handle body 5a is provided with a blocky operating part 5a2, one side face of the handle body 5a is provided with a sliding groove 5a1 with a T-shaped cross section, the sliding groove 5a1 is communicated with an opening of the matching part 5b, the outer side of the shell 1 is fixedly connected with at least one matching block 1d matched with the sliding groove 5a1, and a reinforcing rib is fixedly connected between the matching block 1d and the shell 1 to ensure that the connection strength between the matching block 1d and the shell 1 is higher. The handle 5 in this embodiment is specifically slidable up and down in the vertical direction with respect to the housing 1. When assembling, the matching block 1d is slid into the sliding groove 5a1 of the handle 5 from the opening of the matching part 5b, so that the sliding connection between the handle 5 and the shell 1 is formed. The inner side of the end of the matching part 5b is provided with a notch 5b2 communicated with one positioning section 5b12, and the convex head 4a is clamped into the guide groove 5b1 from the notch 5b 2. A limit pin 6 is fixed between two parallel side groove walls of the sliding groove 5a1 in the handle body 5a, the limit pin 6 is arranged close to the matching part 5b, and when the handle 5 slides along the opposite direction that the raised head 4a is clamped into the guide groove 5b1 from the notch 5b2, the limit pin 6 can be abutted against the matching block 1 d.

Liquid distributor can be used to the distribution of drink to take the cask of wine lance as an example, will connect the cubic position alignment of joint breach 5b2 and the wine lance tip department that cavity 1b oral area department formed when the installation makes casing 1 lower part cover outside the wine lance tip, then rotate casing 1 and make the cubic position of wine lance tip along circumference in the slip-in joint clearance, realize that the installation of casing 1 and wine lance is fixed. Meanwhile, the lower end of the top core 2 pokes the one-way valve core in the wine spear to open the air path and the wine path simultaneously. Therefore, when the user repeatedly presses the piston 7, the pressure in the wine barrel is increased through the working cavity 1a and the air inlet channel 2a, and the wine in the wine barrel can be automatically pumped out from the liquid outlet channel 2b on the top core 2.

As shown in fig. 7, the plug 9 is plugged in the outer port of the liquid outlet tube 3 to be in an initial state, and at this time, the outer port of the liquid outlet tube 3 is plugged by the plug 9 and thus liquid cannot be discharged. When dispensing is required, the user slides the control handle 5, and the matching part 5b moves relative to the projection 4a to enable the guide groove 5b1 and the projection 4a to move relatively. Because the guiding section 5b11 in the guiding groove 5b1 is obliquely arranged, when the handle 5 slides, the side wall of the guiding section 5b11 exerts an acting force on the protruding head 4a, so as to push the extension tube 4 to slide inwards relative to the liquid outlet tube 3, so that the plug 9 extends into the liquid outlet tube 3 from the outer port of the liquid outlet tube 3, and because the caliber of the outer port of the liquid outlet tube 3 is smaller than the inner diameter of the liquid outlet tube 3, the plug 9 cannot block the inner part of the liquid outlet tube 3 and simultaneously the outer port of the liquid outlet tube 3 is opened, so that the liquid can smoothly flow into the extension tube 4 from the liquid outlet tube 3 and finally flow outwards, and the opened outer port of the liquid outlet tube 3 is as shown in fig. 2. When liquid is not required to be discharged, a user only needs to control the handle 5 to slide reversely, so that the extension pipe 4 slides outwards under the matching action of the raised head 4a and the guide groove 5b1, and the plug 9 can be blocked in the outer port of the liquid outlet pipe 3 again, so that the liquid cannot flow into the extension pipe 4 any more.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, the guiding structure comprises a protruding head disposed on the matching portion 5b and a strip-shaped guiding groove disposed at the side of the extension pipe 4, the guiding groove is disposed obliquely, the protruding head is disposed in the guiding groove and the protruding head can slide along the guiding groove when the handle 5 slides or swings.

EXAMPLE III

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in the present embodiment, the handle 5 is hinged to the housing 1.

Example four

The structure and principle of this embodiment are basically the same as those of the first embodiment, except that: in this embodiment, the inner hole of the extension tube 4 includes a first hole and a second hole which are arranged on the same central line, the aperture of the second hole is larger than that of the first hole, the outer end of the liquid outlet tube 3 penetrates through the second hole, the plug 9 is connected with the outer end part of the liquid outlet tube 3 through a plurality of support bars, and the plug 9 can be plugged in the first hole or retracted into the second hole when the extension tube 4 slides.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. Liquid dispenser's play liquid mechanism, liquid dispenser includes casing (1), this play liquid mechanism includes that the outer end stretches out drain pipe (3) outside casing (1) and establishes handle (5) outside casing (1), a serial communication port, play liquid mechanism still establish extension pipe (4) in drain pipe (3) outer end including the cover, be equipped with between extension pipe (4) hole and drain pipe (3) hole and control both intercommunication or the jam structure of disconnection when extension pipe (4) slide, handle (5) sliding connection or articulate in the casing (1) outside, handle (5) one end is equipped with cooperation portion (5b) that are located extension pipe (4) lateral part, be equipped with between cooperation portion (5b) and extension pipe (4) and can drive extension pipe (4) gliding guide structure when handle (5) slide or swing.

2. The dispensing mechanism of claim 1, wherein the blocking structure comprises a plug (9), and the blocking structure controls dispensing by changing the position of the plug (9) relative to the dispensing tube (3) or the extension tube (4) when the extension tube (4) slides.

3. The dispensing mechanism of liquid dispenser according to claim 2, characterized in that the extension tube (4) is fixed with a positioning sleeve (10), the plug (9) is fixed inside the positioning sleeve (10) by a plurality of connecting strips (11), the blocking structure further comprises an outer port of the liquid outlet tube (3), and the plug (9) can be plugged in the outer port of the liquid outlet tube (3) or separated from the outer port of the liquid outlet tube (3) when the extension tube (4) slides.

4. The liquid outlet mechanism of the liquid distributor according to claim 2, wherein the inner hole of the extension pipe (4) comprises a first hole and a second hole which are arranged along the same center line, the aperture of the second hole is larger than that of the first hole, the outer end of the liquid outlet pipe (3) is arranged in the second hole in a penetrating way, the plug (9) is connected with the outer end part of the liquid outlet pipe (3) through a plurality of support bars, and the plug (9) can be plugged in the first hole or retracted into the second hole when the extension pipe (4) slides.

5. The dispensing mechanism of claim 1, wherein the guide structure comprises a strip-shaped guide slot (5b1) formed on the engaging portion (5b) and a protrusion (4a) formed on the side of the extension tube (4), the guide slot (5b1) is disposed obliquely, the protrusion (4a) is disposed in the guide slot (5b1), and the guide slot (5b1) can slide along the protrusion (4a) when the handle (5) slides or swings.

6. The dispensing mechanism of claim 2, wherein the guiding groove (5b1) comprises an inclined guiding section (5b11) and positioning sections (5b12) connected to both ends of the guiding section (5b11), and both positioning sections (5b12) are straight sections parallel to the sliding direction of the handle (5).

7. The dispensing mechanism of claim 4, wherein the engaging portion (5b) is U-shaped, the engaging portion (5b) is sleeved outside the extension tube (4), and the number of the protruding head (4a) and the number of the guiding groove (5b1) are two.

8. The dispensing mechanism of liquid dispenser according to claim 5, characterized in that the handle (5) comprises an elongated handle body (5a), the engaging portion (5b) is integrally connected to one end of the handle body (5a), a sliding groove (5a1) having a T-shaped cross section is formed on one side of the handle body (5a), the sliding groove (5a1) is communicated with the opening of the engaging portion (5b), and at least one engaging block (1d) engaged with the sliding groove (5a1) is fixedly connected to the outer side of the housing (1).

9. The dispensing mechanism of claim 6, wherein the inner side of the end of the engaging portion (5b) is provided with a notch (5b2) communicating with one of the positioning sections (5b12), and the protrusion (4a) is inserted into the guiding groove (5b1) from the notch (5b 2).

10. The dispensing mechanism of claim 7, wherein a stop pin (6) is fixed in the handle (5a) between two parallel side walls of the slide groove (5a1), the stop pin (6) is disposed adjacent to the engaging portion (5b), and the stop pin (6) can abut against the engaging block (1d) when the handle (5) slides in the opposite direction to allow the protrusion (4a) to be inserted into the guide groove (5b1) from the notch (5b 2).