CN113558468A

CN113558468A - Water dispenser easy to change water

Info

Publication number: CN113558468A
Application number: CN202110861088.6A
Authority: CN
Inventors: 郭锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-10-29
Anticipated expiration: 2041-07-29
Also published as: CN113558468B

Abstract

The invention relates to the technical field of energy-saving equipment and discloses an easily-replaced water dispenser which comprises a machine body, wherein an inlet and outlet channel is formed in the bottom of the side wall of the machine body, a guide rod is fixedly installed on one side of the inner wall of the machine body, a support is movably installed on the side wall of the guide rod, a barrel body is placed on the surface of the support, a driving column is movably installed on one side of the side wall of the machine body, which is far away from the guide rod, a driving rod located on the outer side of the machine body is movably installed on the side wall of the driving column, and a driving rod located on the inner wall of the machine body is fixedly installed on the side wall of the driving column. The invention is provided with the driving rod and the copper bell on the side wall of the machine body, so that the driving rod extends to realize labor-saving lifting of the barrel body in the process of installing the barrel body, and the driving rod can automatically unload the barrel body under the action of gravity and knock the copper bell to generate sound when the water quantity of the barrel body is low, thereby warning a user that the barrel body needs to be replaced and finally realizing the purposes of labor-saving replacement and replacement warning.

Description

Water dispenser easy to change water

Technical Field

The invention relates to the technical field of energy-saving equipment, in particular to a water dispenser easy to change water.

Background

The drinking machine is a device which can conveniently drink barreled purified water, and the barreled water is placed above the machine for matching use.

After the existing water dispenser is used, the barreled water is lifted up vertically mainly through manual work and is inverted on the water dispenser, so that people can take water conveniently for drinking.

In the practical application process, the barreled water is generally 19 liters, and the mass of the barreled water is approximately 38 jin, so that the barreled water needs to be lifted by using a large force and placed in alignment with a water dispenser in the process of feeding water, so that women and old people with small strength are very inconvenient in the process of replacing the barreled water, and the phenomenon of smashing can occur if the barreled water drops carelessly in the replacement process.

Meanwhile, in the use process of the existing water dispenser, manual observation is needed, the water outlet nozzle does not discharge water, and a user can realize replacement, so that when the barreled water is free of media, no warning effect exists, the water dispenser is not convenient for use of water resources by other people, and meanwhile, the water dispenser with water shortage can lead heating equipment in the water to be continuously dried, so that the service life of the water dispenser is shortened.

Disclosure of Invention

Aiming at the defects of the prior water dispenser in the use process in the background art, the invention provides the water dispenser easy to change water, which has the advantages of labor-saving replacement and replacement warning, labor-saving replacement enhancement, normal water outlet guarantee and detection and early warning on barrels with different qualities, and solves the technical problems in the background art.

The invention provides the following technical scheme: an easy-changing water dispenser comprises a machine body, wherein an inlet and outlet channel is formed in the bottom of the side wall of the machine body, a guide rod is fixedly mounted on one side of the inner wall of the machine body, a support is movably mounted on the side wall of the guide rod, a barrel body is placed on the surface of the support, a driving column is movably mounted on the side wall of the machine body and far away from the guide rod, a driving rod located on the outer side of the machine body is movably mounted on the side wall of the driving column, a driving rod located on the inner wall of the machine body is fixedly mounted on the side wall of the driving column, a lifting rod is movably mounted at one end of the driving rod, one end of the lifting rod is movably mounted on the side wall of the support, a limiting column used for limiting the movement of the lifting rod is fixedly connected to the side wall of the support, a water delivery pipe is fixedly mounted at the top of the inner wall of the machine body, the bottom end of the water delivery pipe is located at the bottom of the inner cavity of the barrel body, and a water outlet tank is fixedly mounted on one side of the inner wall of the machine body, and the top of the inner wall of the machine body is provided with a water delivery groove for communicating the inner cavity of the water delivery pipe with the inner cavity of the water outlet tank, the outer side wall of the machine body is fixedly provided with a water outlet nozzle for limiting the medium in the water outlet tank to flow out, and the height value of the side wall of the water outlet nozzle from the top of the inner wall of the machine body is one half and five times of the height value of the barrel body from the top of the inner wall of the machine body.

Preferably, the lifting rod is set to be two sections of flexible square rods, and the quantity of the spacing post that the support lateral wall set up is two, two the spacing post is located the both sides of lifting rod, and the length value of the equal lifting rod lateral wall of two spacing posts is four centimetres, two the rotation axle center that the spacing post used the lifting rod is installed as central symmetry, and the lateral wall of spacing post and the lateral wall of support are in the coplanar.

Preferably, the length of the transmission rod is one half and five times of the length of the driving column from the inner wall of one side of the machine body.

Preferably, the number of guide bars sets up to two, and two guide bars all with support movable mounting, two the lateral wall of guide bar is smooth face.

Preferably, the water conveying pipe is a soft hollow round pipe, the bottom end of the water conveying pipe is provided with a hanging ring for keeping the water conveying pipe vertical all the time, and the side wall of the water conveying pipe is movably sleeved with a dust cover.

Preferably, the drive rod is a telescopic sealed cylindrical rod.

Preferably, an inner included angle between the axis of the driving rod and the axis of the transmission rod is ninety degrees, and a copper bell is fixedly mounted at the bottom of the side wall of the machine body.

Preferably, the one end movable mounting of drive post has the conversion head, and the one end and the actuating lever fixed mounting of conversion head, the lateral wall of drive post and the inner chamber fixed mounting who is located the organism have the connecting pipe, and the one end of connecting pipe and the bottom fixed mounting who goes out the water tank, it is used for with the communicating transfer passage of connecting pipe to open in the drive post, and the inner wall of conversion head offers and is used for the actuating lever and the communicating groove that the transfer passage communicates, the draw-in groove that is used for fixing its actuating lever is offered to one side of drive post.

The invention has the following beneficial effects:

1. the invention is provided with the driving rod and the copper bell on the side wall of the machine body, so that the driving rod extends to realize labor-saving lifting of the barrel body in the process of installing the barrel body, and the driving rod can automatically unload the barrel body under the action of gravity and knock the copper bell to generate sound when the water quantity of the barrel body is low, thereby warning a user that the barrel body needs to be replaced and finally realizing the purposes of labor-saving replacement and replacement warning.

2. The invention sets the driving rod as a telescopic sealing rod and is communicated with the water outlet tank through the connecting pipe, thereby not only ensuring that a person pulls the water outlet tank when the driving rod extends, the arm of force is increased, the pulling strength of the driving rod is further reduced, meanwhile, the driving rod is sealed and stretched, after the barrel body is installed, the water medium or air in the water outlet tank is pumped into the driving rod by the suction of the driving rod, thereby ensuring that the medium is stored in the water outlet tank, realizing the siphon of the water outlet nozzle to pump out the water flow in the barrel body in the opening process of the water outlet nozzle, and the water flow is remained in the driving rod through the medium, make actuating lever gravity change, further make the actuating lever can be used to detect different weight staving and change the early warning, finally realize the laborsaving change of reinforcing, guarantee to go out water normal and detect the purpose of early warning to different quality stavings.

Drawings

FIG. 1 is a schematic view of the overall assembly of the structure of the present invention;

FIG. 2 is a rear view of the overall assembly of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 4 is a schematic view of a structural drive column of the present invention;

FIG. 5 is a schematic view of a structural support of the present invention;

FIG. 6 is a schematic view of a structural spacer according to the present invention.

In the figure: 1. a body; 2. a guide bar; 3. a support; 4. a barrel body; 5. a drive column; 6. a drive rod; 7. a transmission rod; 8. a limiting column; 9. a lifting bar; 10. a water delivery pipe; 11. a water delivery tank; 12. a water outlet tank; 13. a water outlet nozzle; 14. a dust cover; 15. a conversion head; 16. a communicating groove; 17. a conveying path; 18. a connecting pipe; 19. copper bells.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an easy-to-change water dispenser includes a body 1, an inlet/outlet channel is formed at the bottom of the side wall of the body 1, a guide rod 2 is fixedly installed at one side of the inner wall of the body 1, a support 3 is movably installed at the side wall of the guide rod 2, a barrel 4 is placed on the surface of the support 3, a driving column 5 is movably installed at the side wall of the body 1, the driving rod 6 is movably installed at the outer side of the body 1, a transmission rod 7 is fixedly installed at the inner wall of the body 1, a lifting rod 9 is movably installed at one end of the transmission rod 7, one end of the lifting rod 9 is movably installed at the side wall of the support 3, a limit column 8 for limiting the movement of the lifting rod 9 is fixedly connected to the side wall of the support 3, and a water pipe 10 is fixedly installed at the top of the inner wall of the body 1, the bottom end of the water pipe 10 is located at the bottom of the inner cavity of the barrel body 4, meanwhile, a water outlet tank 12 is fixedly installed on one side of the inner wall of the machine body 1, a water conveying groove 11 for communicating the inner cavity of the water pipe 10 with the inner cavity of the water outlet tank 12 is formed in the top of the inner wall of the machine body 1, a water outlet nozzle 13 for limiting the medium in the water outlet tank 12 to flow out is fixedly installed on the outer side wall of the machine body 1, meanwhile, the height value of the side wall of the water outlet nozzle 13 from the top of the inner wall of the machine body 1 is one-fifth times of the height value of the barrel body 4 from the top of the inner wall of the machine body 1, therefore, the barrel body 4 is placed on the support 3 through the water outlet nozzle, the lever of the water outlet nozzle 13 is pushed up by pulling the driving rod 6, the force required for lifting the barrel body 4 is reduced, meanwhile, the water outlet nozzle 13 is lower than the height of the barrel body 4, so that the water in the barrel body 4 is discharged through siphonage phenomenon in the process of taking water outlet nozzle 13, not only guaranteed the stability of water intaking, simultaneously, through the vertical of its staving 4 place for staving 4 need not the manual work at the in-process of installation and overturns, thereby prevents to appear pounding the phenomenon of hindering because of staving 4 weight is too big and lead to the manual work at the in-process of installation.

Wherein, in order to make the barrel 4 lower in falling height, and at the same time, the support 3 is further provided with a water outlet 13 higher than the barrel 4 in lifting height, so that the lifting rod 9 is a two-section telescopic square rod, and the number of the spacing columns 8 arranged on the side wall of the support 3 is two, and the two spacing columns 8 are located on two sides of the lifting rod 9, and the length value of the two spacing columns 8 from the side wall of the lifting rod 9 is four centimeters, the two spacing columns 8 are symmetrically installed with the rotation axis of the lifting rod 9 as the center, and the side wall of the spacing column 8 and the side wall of the support 3 are on the same plane, so that when the lifting rod 9 lifts the barrel 4, the lifting rod is supported by the gravity of the barrel 4 and the inclination of the lifting rod 9, so that the gravity on the barrel 4 acts on one spacing column 8, thereby forming a stable support of the support 3, meanwhile, in the falling process of the barrel body 4, the lifting rod 9 is gradually transited to the other limiting column 8, so that the lifting rod 9 and the transmission rod 7 are relatively overlapped in the same straight line, because the lifting rod 9 can be extended and contracted at the moment, the transmission rod 7 can be driven to rotate, the lifting rod 9 can follow the movement of the transmission rod 7, and at the same time, it is ensured that the support 3 can move up and down, and when the transmission rod 7 moves vertically downwards, the lifting rod 9 and the transmission rod 7 are arranged in a vertical direction, and at the moment, the gravity of the support 3 completely acts on the lifting rod 9, so that the lifting rod 9 contracts, and the lifting rod 9 can further realize the lowest position, namely the support 3 is at the lowest position, so that the barrel body 4 can be conveniently placed on the support 3 manually.

In order to ensure that the support 3 can be stably supported by the transmission rod 7 after the support 3 is lifted, the length of the transmission rod 7 is five times of the length of the driving column 5 from the inner wall of the machine body 1, so that the length of the transmission rod 7 is greater than the length of the driving column 5 from the inner wall of the machine body 1 on the access way side, when the transmission rod 7 falls by the downward force of the support 3, the transmission rod 7 is in contact with the inner wall of one side of the machine body 1, the lifting rod 9 cannot fall, and the support 3 can be stably supported by the transmission rod 7.

Wherein, in order to guarantee support 3 and carry the in-process from top to bottom, the phenomenon that self deflected can not appear, thereby set up the quantity of guide bar 2 into two, and two guide bar 2 all with support 3 movable mounting, the lateral wall of two guide bar 2 is smooth face, therefore at the in-process that its support 3 carried at guide bar 2, through the restriction of two poles, make support 3 can not appear leading to the phenomenon of its support 3 unable normal upward and downward back and forth movement because of self skew at the in-process of motion.

Wherein, in order to better protect the open barrel 4, thereby the conduit pipe 10 is set as a soft hollow round pipe, the bottom end of the conduit pipe 10 is provided with a hanging ring for keeping the conduit pipe 10 vertical all the time, and the side wall of the conduit pipe 10 is movably sleeved with a dust cover 14, therefore, when the conduit pipe 10 is inserted into the inner cavity of the barrel 4, the conduit pipe 10 is always arranged at the bottom of the inner cavity of the barrel 4 by the gravity of the hanging ring, meanwhile, the top of the barrel 4 is opened by the gravity of the dust cover 14, namely, the air flow in the barrel 4 can be ensured to be communicated with the outside by the dust cover 14, and simultaneously, the phenomenon that the dust drops due to the overlarge opening of the barrel 4 is also prevented, further, in the process that the support 3 is withdrawn, the support 3 can be ensured to move upwards by the conduit pipe 10, and simultaneously, the hanging ring at the bottom of the conduit pipe 10 also ensures that the barrel 4 is separated, the dust cover 14 can be prevented from falling.

Wherein, in order to make actuating lever 6 in the in-process of promoting staving 4 more laborsaving to establish actuating lever 6 into flexible sealed cylinder pole, therefore pull at actuating lever 6 and carry out the in-process that promotes, the extension through actuating lever 6 makes the arm of force increase, the required power of lifting of its actuating lever 6 of further lightening.

Wherein, whether still have the water resource in the bucket and warn the purpose of changing water in order to realize detecting staving 4, therefore be ninety degrees with the interior contained angle between the axis of actuating lever 6 and the transfer line 7 axis, and lateral wall bottom fixed mounting at organism 1 has the bell 19, therefore through its support 3 at the in-process that stabilizes promotion staving 4, its actuating lever 6 receives how much of the water resource in the staving 4 that the gravity factor can be autonomic to detect, further when making during no water current in the staving 4, cause actuating lever 6 to deflect downwards, thereby make staving 4 carry out autonomic whereabouts, and strike bell 19 through actuating lever 6 and realize the sound, thereby be used for warning the user and need carry out the change of staving 4.

Wherein, in order to make the driving rod 6 adjustable in gravity and thus adjust the barrels 4 with different weights, a conversion head 15 is movably mounted at one end of the driving column 5, one end of the conversion head 15 is fixedly mounted with the driving rod 6, meanwhile, a connecting pipe 18 is fixedly mounted on the side wall of the driving column 5 and positioned in the inner cavity of the machine body 1, one end of the connecting pipe 18 is fixedly mounted with the bottom of the outlet tank 12, meanwhile, a conveying passage 17 for communicating with the connecting pipe 18 is opened in the driving column 5, a communicating groove 16 for communicating the driving rod 6 with the conveying passage 17 is opened on the inner wall of the conversion head 15, meanwhile, a clamping groove for fixing the driving rod 6 is opened on one side of the driving column 5, therefore, in the working process, the conversion head 15 is pulled by the driving rod 6 to be separated from the clamping groove, and the communicating groove 16 is communicated with the conveying passage 17, thereby realizing the pressure change in the outlet tank 12 by the pulling of the driving rod 6, and further, the phenomenon that the water outlet nozzle 13 cannot normally discharge water due to the fact that siphoning cannot be caused in the water outlet tank 12 due to the fact that no water flow exists in the water outlet tank 12 is prevented, meanwhile, after the driving rod 6 of the driving rod is clamped with the clamping groove, the communicating groove 16 of the driving rod is separated from the conveying channel 17, the conveying channel 17 is sealed through the side wall of the conversion head 15, the communicating groove 16 is sealed through the inner wall of the driving column 5, the fact that the amount of medium mass sucked into the water outlet tank 12 in the driving rod 6 changes the gravity of the driving rod 6 can be achieved, the gravity of the driving rod 6 is changed, further, after the barrel body 4 is limited to be lower than the gravity of the driving rod 6, the driving rod 6 of the driving rod can rotate by pulling the driving column 5, and the barrel body 4 can automatically fall.

The using method (working principle) of the invention is as follows:

the installation state is as follows: the barrel body 4 penetrates through an access passage at the bottom of the side wall of the machine body 1 and is placed on the support 3, at the moment, the transmission rod 7 is in a vertical downward state, the support 3 is at the lowest position in the inner cavity of the machine body 1, then, the driving rod 6 is pulled to move upwards, so that the driving column 5 rotates anticlockwise (the rotating direction is referred to as figure 3), then, the transmission rod 7 rotates anticlockwise synchronously, further, the lifting rod 9 pushes the support 3 to move upwards through the rotation of the transmission rod 7, the support 3 moves upwards vertically through the guide rod 2 until the support rotates to the position shown in figure 3, at the moment, one end of the transmission rod 7 is in contact with the inner wall of the machine body 1, meanwhile, the side wall of the lifting rod 9 is in contact with the limiting column 8, the bottom end of the water delivery pipe 10 is positioned at the bottom of the inner cavity of the barrel body 4, the gravity of the barrel body 4 acts on the lifting rod 9, and extrudes the transmission rod 7 through the lifting rod 9, the transmission rod 7 is tightly attached to the inner wall of the machine body 1, and the bottom end of the barrel body 4 is higher than the water outlet nozzle 13;

diversion and adjustment of appropriate weight for warning status: the driving rod 6 is pulled outwards to enable the driving rod 6 to be separated from the clamping groove on the driving column 5, the communicating groove 16 is used for communicating the inner cavity of the driving rod 6 with the conveying channel 17, then the driving rod 6 is repeatedly stretched, so that the pressure change of the air flow generated by the driving rod 6 enables the pressure in the water outlet tank 12 to be changed through the communicating groove 16, the conveying channel 17 and the connecting pipe 18, further, when the pressure in the water outlet tank 12 is lowered, the water flow in the barrel body 4 is sucked into the water outlet tank 12 through the water conveying groove 11 and the water conveying pipe 10, then, when the water flow flows out from the water outlet tank 12 after the water outlet nozzle 13 is opened, the water flow in the barrel body 4 is conveyed into the water outlet tank 12 through the siphonage phenomenon, the water flow medium is always stored in the water outlet tank 12, the normal use of the water outlet nozzle 13 can be realized, and then, a proper amount of medium is stored in the driving rod 6 by pushing and pulling the driving rod 6, so that the driving rod 6 has a certain mass, and the driving rod 6 rotates the switching head 15 by pulling the driving rod 6, and is separated from the conveying channel 17 through the communicating groove 16, and the conveying channel 17 is sealed by the side wall of the switching head 15, the driving rod 6 can be clamped in the clamping groove on the driving column 5, and at the moment, the driving rod 6 is in the upward inclined position, as shown in fig. 2;

warning of water flow exhaustion: when the water flow in the barrel body 4 continuously flows out, the weight of the barrel body 4 is weakened until the water flow in the barrel body 4 is completely discharged, at the moment, the driving rod 6 always tends to move downwards due to the gravity, and further, after no medium exists in the barrel body 4, as shown in the attached drawing 3, the driving rod 6 deflects downwards due to the gravity, so that the driving column 5 rotates clockwise, the driving rod 7 is separated from the inner wall of the machine body 1 when rotating, so that the driving rod 7 moves to a vertical downward position again, at the moment, the barrel body 4 falls down again, and the barrel body 4 is replaced, meanwhile, in the process that the driving rod 6 deflects downwards, the copper bell 19 is knocked, so that the copper bell 19 makes a sound, and the user is warned that the barrel body 4 needs to be replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an easy water dispenser that trades, includes organism (1), its characterized in that: the access way is arranged at the bottom of the side wall of the machine body (1), a guide rod (2) is fixedly arranged on one side of the inner wall of the machine body (1), a support (3) is movably arranged on the side wall of the guide rod (2), a barrel body (4) is placed on the surface of the support (3), a driving column (5) is movably arranged on one side of the side wall of the machine body (1) and far away from the guide rod (2), a driving rod (6) positioned on the outer side of the machine body (1) is movably arranged on the side wall of the driving column (5), a transmission rod (7) positioned on the inner wall of the machine body (1) is fixedly arranged on the side wall of the driving column (5), a lifting rod (9) is movably arranged on one end of the transmission rod (7), the lifting rod (9) is movably arranged on one end of the lifting rod (9) and is movably arranged on the side wall of the support (3), a limiting column (8) used for limiting the movement of the lifting rod (9) is fixedly connected with the side wall of the support (3), the inner wall top fixed mounting of organism (1) has raceway (10), and the bottom of raceway (10) is located the inner chamber bottom of staving (4), inner wall one side fixed mounting of organism (1) has outlet box (12), and the inner wall top of organism (1) is offered and is used for raceway (10) inner chamber and the communicating water delivery groove (11) of outlet box (12) inner chamber, the lateral wall fixed mounting of organism (1) has outlet nozzle (13) that are arranged in restricting outlet box (12) medium outflow, and the height value of outlet nozzle (13) lateral wall apart from organism (1) inner wall top is staving (4) apart from one and five times of organism (1) inner wall top height value.

2. The easy-change water dispenser according to claim 1, characterized in that: lifting rod (9) are established to two flexible square poles, and the quantity of spacing post (8) that support (3) lateral wall set up is two, two spacing post (8) are located the both sides of lifting rod (9), and two spacing post (8) are four centimetres apart from the length value of lifting rod (9) lateral wall, two spacing post (8) use the rotation axle center of lifting rod (9) as central symmetry installation, and the lateral wall of spacing post (8) and the lateral wall of support (3) are in on the coplanar.

3. The easy-change water dispenser according to claim 1, characterized in that: the length value of the transmission rod (7) is one half and five times of the length value of the driving column (5) from the inner wall of one side of the machine body (1).

4. The easy-change water dispenser according to claim 1, characterized in that: the number of guide bars (2) sets up to two, and two guide bars (2) all with support (3) movable mounting, two the lateral wall of guide bar (2) is smooth face.

5. The easy-change water dispenser according to claim 1, characterized in that: the water conveying pipe (10) is a soft hollow round pipe, the bottom end of the water conveying pipe (10) is provided with a hanging ring used for enabling the water conveying pipe (10) to be always vertical, and the side wall of the water conveying pipe (10) is movably sleeved with a dust cover (14).

6. The easy-change water dispenser according to claim 1, characterized in that: the driving rod (6) is a telescopic sealing cylindrical rod.

7. The easy-change water dispenser according to claim 6, characterized in that: an inner included angle between the axis of the driving rod (6) and the axis of the driving rod (7) is ninety degrees, and a copper bell (19) is fixedly installed at the bottom of the side wall of the machine body (1).

8. The easy-change water dispenser according to claim 7, characterized in that: the utility model discloses a water purifier, including drive post (5), the one end movable mounting of drive post (5) has conversion head (15), and the one end and the actuating lever (6) fixed mounting of conversion head (15), the lateral wall of drive post (5) and the inner chamber fixed mounting who is located organism (1) have connecting pipe (18), and the one end of connecting pipe (18) and the bottom fixed mounting of play water tank (12), it is used for with communicating transfer passage (17) of connecting pipe (18) to open in drive post (5), and the inner wall of conversion head (15) is offered and is used for actuating lever (6) and communicating intercommunication groove (16) that transfer passage (17) communicate, the draw-in groove that is used for fixing its actuating lever (6) is offered to one side of drive post (5).