CN214932179U

CN214932179U - Plastic recoverable spray gun

Info

Publication number: CN214932179U
Application number: CN202120942131.7U
Authority: CN
Inventors: 李再
Original assignee: Yuyao Dandan Sprayer Co Ltd
Current assignee: Yuyao Dandan Sprayer Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-30
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a recoverable spray gun of plastic, relate to the field of spray gun technique, which comprises an outer shell, set up the pump body that is used for being connected and drive liquid removal with bottled liquid in the shell, set up the spray tube that has elastic gland and be used for the hydrojet on the shell, elastic gland includes extrusion portion and fixed part, be provided with the extrusion pipe with pump body liquid outlet intercommunication and the extrusion pump body in the extrusion portion, extrusion pipe and spray tube intercommunication, be provided with the gag lever post on the surface of extrusion pipe in the extrusion portion, it is connected with the stopper to slide on the shell, the stopper has first station and second station, when the stopper is in first station, the stopper can not with the gag lever post butt, when the stopper is in the second station, the stopper butt is in the one end of keeping away from the extrusion portion top on the gag lever post. This application has and receives the effect that the extrusion can not the blowout liquid when making the spray gun not use.

Description

Plastic recoverable spray gun

Technical Field

The application relates to the field of spray gun technology, in particular to a full-plastic recyclable spray gun.

Background

The spray gun is a tool used in cooperation with a hydraulic pump, generally, bottled liquid products such as oil stain cleaning liquid and pesticides are connected to the spray gun, the liquid is extruded to a nozzle of the spray gun through the hydraulic pump, and at the moment, the liquid is atomized and acts on an object.

The spray gun in the related art comprises a shell and a gland, wherein a hydraulic pump connected with a bottled liquid product is arranged in the shell, a squeezing pipe which is communicated with the hydraulic pump and is used for squeezing the hydraulic pump is arranged on the gland, and when the gland is squeezed, the squeezing pipe can squeeze the hydraulic pump to enable liquid to flow into the squeezing pipe and be sprayed out of the squeezing pipe.

In view of the above-mentioned related art, the inventor believes that when the spray gun is placed in a backpack without use, the liquid is ejected if the pressing cover is pressed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the liquid is sprayed out when the spray gun is not used, the application provides an all-plastic recyclable spray gun.

The application provides a recoverable spray gun of plastic adopts following technical scheme:

the utility model provides a recoverable spraying gun of plastic, includes the shell, set up the pump body that is used for being connected and drive liquid removal with bottled liquid in the shell, set up and have elastic gland and the spray tube that is used for the hydrojet on the shell, elastic gland includes extrusion portion and fixed part, be provided with the extrusion pipe that just extrudees the pump body with pump body liquid outlet intercommunication in the extrusion portion, the extrusion pipe is communicated with the spray tube, be provided with the gag lever post on the surface of extrusion pipe in the extrusion portion, it is connected with the stopper to slide on the shell, the stopper has first station and second station, and when the stopper is in first station, the stopper can not with the gag lever post butt, when the stopper is in the second station, the stopper butt is in the one end of keeping away from the extrusion portion top on the gag lever post.

By adopting the technical scheme, in the using process of the spray gun, the limiting block is slidingly moved to the first station, the extrusion part is extruded at the moment, the limiting rod is not abutted against the limiting block to enable the elastic gland to deform downwards, the extrusion pipe moves downwards along with the elastic gland at the moment, liquid in bottled liquid is pumped into the extrusion pipe by the pump body under the extrusion action of the extrusion pipe, and the liquid is conveyed into the spray pipe through the extrusion pipe and is sprayed out from the spray pipe; when the spray gun is not used, the limiting block is slidingly moved to the second station, the limiting rod is abutted to the limiting block, and the extrusion part of the extrusion part cannot deform downwards, so that the extrusion pipe cannot drive the pump body, and the condition that the spray gun is extruded and liquid is sprayed when the spray gun is not used is reduced.

Optionally, a sliding groove is formed in the shell, the limiting block comprises a contact portion, a sliding portion and a clamping portion, the sliding portion is connected to the sliding groove in a sliding mode, the contact portion and the clamping portion are arranged on two sides of the sliding portion, the contact portion is abutted to the outer side wall of the shell, and the clamping portion is abutted to the inner side wall of the shell.

Through adopting above-mentioned technical scheme, make the stopper can stably slide on the shell to reduce the stopper and take place from the condition that slides inslot and fall out, improved the stability of stopper when using.

Optionally, one end of the spray pipe, which is far away from the extrusion pipe, is provided with a variable-pressure part, a fixed ring groove is formed in the variable-pressure part, a variable-pressure hole is formed in the bottom of the fixed ring groove, the variable-pressure hole is communicated with the inside of the spray pipe, and a spray piece is arranged in the fixed ring groove.

Through adopting above-mentioned technical scheme, the setting up of vary voltage hole makes the liquid velocity of flow in the spout by little grow to be convenient for form the spraying, liquid can make liquid form the spraying again through the effect of spouting the piece this moment, make liquid act on the object with the form of spraying, avoided the waste of liquid.

Optionally, a fixing groove is formed in the fixing portion, the spray pipe penetrates through the bottom surface of the fixing groove, the variable-pressure portion is arranged in the fixing groove, a fixing cover is inserted in the fixing groove, the inner side wall of the fixing cover is in interference fit with the variable-pressure portion, the outer side wall of the fixing cover is in interference fit with the inner side wall of the fixing groove, and the fixing cover is abutted to the spray piece.

Through adopting above-mentioned technical scheme, the setting of fixed lid reduces the condition that spouts the piece and break away from in the fixed ring groove and takes place to it does not form vaporific and spun condition emergence to reduce liquid, has improved the stability of spouting the piece in the use.

Optionally, a clamping groove is formed in the shell, and a clamping ring clamped with the clamping groove is arranged on the fixing portion.

Through adopting above-mentioned technical scheme, the joint ring makes the fixed part can be better be connected with the shell with the cooperation in joint groove to reduce the in-process fixed part that the spray gun used and remove and make the not good condition of spraying effect take place.

Optionally, the shell includes connecting portion and rotation portion, connecting portion and extrusion portion butt, rotation portion rotates the one end of keeping away from the extrusion portion on connecting portion, rotation portion inside wall is provided with the internal thread that is used for being connected with bottled liquid.

By adopting the technical scheme, in the installation process of the bottled liquid, the part of the bottle body which needs to be positioned in a certain direction is fixed, at the moment, one end of the spray piece is relatively fixed with the bottle body, and the connection between the bottled liquid and the spray gun can be realized by rotating the rotating part, so that the bottle body can be installed on the spray gun in different directions according to actual requirements; simultaneously, bottled liquid is connected convenience of customers with the internal thread and is operated.

Optionally, the one end that is close to connecting portion in the rotation portion is provided with the swivel becket, interference fit has the elasticity fixed block on the connecting portion, the one end that is close to the rotation portion on the elasticity fixed block is provided with the solid fixed ring with the swivel becket joint, form between solid fixed ring and the connecting portion and supply swivel becket pivoted rotation channel.

Through adopting above-mentioned technical scheme, make rotation portion can rotate and connect on connecting portion, simultaneously at the process of installation bottled liquid, the elasticity fixed block is constantly extrudeed and is produced deformation, and swivel ring interference fit realizes the fixed of rotation portion on connecting portion in the moving channel this moment to reduce the condition emergence that the in-process bottled liquid that the spray gun was using carries out the skew to the position that spouts the piece place, stability when in order to improve the spray gun use.

Optionally, the one end of keeping away from connecting portion on the solid fixed ring is provided with the gasket with bottled liquid opening butt, the gasket is run through to the pump body.

Through adopting above-mentioned technical scheme, the gasket can block up bottled liquid opening, makes the liquid in the bottled liquid can not flow from other positions of the pump body position of department on the opening, has reduced the waste of bottle liquid in the use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the spray gun is not used, the limiting block is abutted against the limiting rod, so that the spray pipe cannot spray liquid when the extrusion part is extruded;

2. the arrangement of the fixed cover enables the position of the spray sheet to be stable, so that the condition that the relative movement of the spray sheet enables liquid sprayed by the spray gun to be in a water droplet shape is reduced;

3. the arrangement of the rotating part enables the bottle body to be installed on the spray gun according to different directions according to different requirements, and the practicability of the spray gun is improved.

Drawings

FIG. 1 is a cross-sectional view of an all plastic recyclable spray gun according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a pump body according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a limiting block according to an embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 1;

FIG. 5 is an exploded view of the transformer of the embodiment of the present application;

fig. 6 is an enlarged view of a portion B in fig. 1.

Description of reference numerals: 1. a housing; 101. a connecting portion; 102. a rotating part; 2. a pump body; 201. a pump housing; 202. a seal ring; 203. a drive block; 204. a convex edge; 205. a support block; 206. a pump core; 207. an isolation block; 2071. a first ring portion; 2072. a second ring portion; 2073. a third ring portion; 3. an elastic gland; 301. a pressing section; 302. a fixed part; 4. a nozzle; 5. extruding the tube; 6. a limiting rod; 7. a limiting block; 701. a contact portion; 702. a sliding part; 703. a clamping part; 8. a sliding groove; 9. a transformer; 10. a fixed ring groove; 11. pressure changing holes; 12. spraying a sheet; 13. fixing grooves; 14. a fixed cover; 15. a clamping groove; 16. a snap ring; 17. an internal thread; 18. a rotating ring; 19. an elastic fixing block; 20. a fixing ring; 21. a gasket; 22. a fixed mount; 23. inserting grooves; 24. a liquid flow passage; 25. a liquid through hole; 26. a spray orifice; 27. and (4) a flow hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a full-plastic recyclable spray gun, wherein parts except a gasket 21 in the spray gun are all polypropylene and have certain elastic force. Referring to fig. 1, the all-plastic recyclable spray gun comprises a housing 1 and an elastic gland 3, wherein the housing 1 comprises a connecting portion 101 and a rotating portion 102, the rotating portion 102 is rotatably connected to the connecting portion 101, an internal thread 17 for being in threaded connection with bottled liquid is arranged on the inner side wall of the rotating portion 102, the elastic gland 3 comprises a squeezing portion 301 and a fixing portion 302, the squeezing portion 301 is inserted into one end, far away from the rotating portion 102, of the connecting portion 101, and part of the outer side wall of the squeezing portion 301 abuts against the inner side wall of the connecting portion 101. A fixing frame 22 is integrally formed in the connecting portion 101, a pump body 2 for driving liquid to flow is arranged on the fixing frame 22, a liquid inlet of the pump body 2 penetrates into the rotating portion 102, an extruding pipe 5 is integrally formed on the inner upper side wall of the extruding portion 301, the extruding pipe 5 is in a circular column shape, the extruding pipe 5 is perpendicular to the inner upper side wall of the extruding portion 301, and the other end of the extruding pipe 5 is communicated with a liquid outlet of the pump body 2. A nozzle 4 is inserted into the extrusion part 301, the nozzle 4 is in the shape of a circular column, the axis of the nozzle 4 is vertically intersected with the axis of the extrusion pipe 5, and the interior of the nozzle 4 is communicated with the interior of the extrusion pipe 5. When the bottled liquid is in threaded connection with the connecting portion 101, the squeezing portion 301 deforms and moves downwards, the squeezing portion 301 drives the squeezing pipe 5 to move downwards to drive the pump body 2, so that the pump body 2 can pump the liquid in the bottled liquid into the squeezing pipe 5, and the liquid can flow into the spray pipe 4 from the squeezing pipe 5 and flow out from the other end of the spray pipe 4.

Referring to fig. 1 and 2, the pump body 2 includes a pump casing 201 abutting against the fixed frame 22, the other end of the pump casing 201 extends into the inner cavity of the rotating portion 102, a liquid inlet of the pump body 2 is located at one end of the pump casing 201 extending into the rotating portion 102, a sealing ring 202 is arranged on the upper surface of the pump casing 201, a part of the sealing ring 202 abuts against the inner side wall of the pump casing 201, a driving block 203 is inserted into the sealing ring 202, an insertion groove 23 for inserting the extrusion pipe 5 is formed in the top of the driving block 203, the extrusion pipe 5 is in interference fit with the side wall of the insertion groove 23, a liquid outlet of the pump body 2 is formed in the bottom of the insertion groove 23, a convex edge 204 is integrally formed on the top edge of the driving block 203, and a supporting block 205 is clamped between the lower bottom of the convex edge 204 and the upper surface of the sealing ring 202. The pump core 206 is in interference fit in the driving block 203, a liquid flow channel 24 communicated with a liquid outlet is formed in the pump core 206, a liquid through hole 25 is formed in the side wall of the liquid flow channel 24, and the liquid through hole 25 is communicated with the inside of the pump shell 201. The outer side wall of the pump core 206 is provided with an isolation block 207 for isolating air up and down of the pump body 2, the isolation block 207 comprises a first ring part 2071, a second ring part 2072 and a third ring part 2073, the first ring part 2071 and the third ring part 2073 are respectively arranged on the inner side wall and the outer side wall of the second ring part 2072, so that the isolation block 207 is integrally I-shaped, the outer side wall of the first ring part 2071 is abutted against the inner side wall of the pump casing 201, the third ring part 2073 is abutted against the outer side wall of the pump core 206 and the lower end of the third ring part 2073 is clamped with the outer side wall of the pump core 206, the third ring part 2073 shields the liquid through hole 25, the end part of the driving block 203 is clamped between the first ring part 2071 and the third ring part 2073, and the end part of the driving block 203 and the second ring part 2072 have a certain gap, and the distance of the gap is greater than the distance from the top of the liquid through hole 25 to the bottom of the third ring part 2073.

When the squeeze tube 5 moves downwards, the driving block 203 moves downwards, the supporting block 205 is gradually compressed under the pressure of the driving block 203, at the moment, the pump core 206 moves downwards under the action of the driving block 203 to discharge gas in the pump shell 201, after the squeezing force disappears, the supporting block 205 returns to the original state, at the moment, the pump core 206 moves upwards to form negative pressure, so that liquid in the bottle can be pumped into the pump body 2, and the liquid can be pumped into the squeeze tube 5 through multiple circulation operations.

Referring to fig. 1 and 3, in order to prevent the squeeze part 301 from spraying liquid when the spray gun is not used, a limiting rod 6 is integrally formed on the surface of the squeeze part 301 on which the squeeze tube 5 is disposed, a sliding groove 8 is formed on the side wall of the connection part 101, a limiting block 7 is slidably connected in the sliding groove 8, the limiting block 7 includes a contact part 701, a sliding part 702 and a clamping part 703, the contact part 701 and the clamping part 703 are respectively welded on both sides of the sliding part 702, the sliding part 702 is slidably connected in the sliding groove 8 along the length direction of the sliding groove 8, opposite side walls of the sliding part 702 abut against both side walls in the width direction of the sliding groove 8, the contact part 701 abuts against the outer side wall of the connection part 101, the clamping part 703 abuts against the inner side wall of the connection part 101, and a friction block facilitating the user to stir is integrally formed on the surface of the contact part 701. Stopper 7 has first station and second station at the inslot 8 that slides, and when stopper 7 was in first station, stopper 7 was in the side below of gag lever post 6, can not the butt on stopper 7 at the in-process that gag lever post 6 moved down, and when stopper 7 was in the second station, stopper 7 butt in the bottom of gag lever post 6. When the spray gun is not used, the limiting block 7 slides to the second station, the limiting rod 6 is abutted to the limiting block 7 at the moment, the extrusion part 301 is extruded, the extrusion part 301 cannot deform downwards, and therefore the pump body 2 cannot be extruded by the extrusion pipe 5, and liquid cannot be sprayed out of the spray gun.

Referring to fig. 1 and 4, in order to fix the rotating portion 102 after connecting the liquid in the bottle, the elastic fixing block 19 is interference-fitted into the connecting portion 101, the radial cross-sectional shape of the elastic fixing block 19 is a circular ring, one end of the elastic fixing block 19 abuts against the fixed frame 22, and the axis of the elastic fixing block 19 is aligned with the center line of the pump body 2. An outward turning fixing ring 20 is integrally formed on the end part side wall of one end part of the elastic fixing block 19 far away from the fixing frame 22, and a rotating channel is formed between the fixing ring 20 and the fixing frame 22. An inward-turned rotating ring 18 is arranged at one end of the rotating part 102 close to the connecting part 101, and the rotating ring 18 is positioned in a rotating channel and rotates in the rotating channel so as to realize the rotation of the rotating part 102 relative to the connecting part 101. During the installation of the bottled liquid, the orientation of the bottled liquid relative to the spray gun is fixed, the connecting part 101 is rotated to fix the spray gun and the bottled liquid, the elastic fixing block 19 is extruded to shrink upwards to enable the rotating ring 18 to be in interference fit in the rotating channel during the process of gradually screwing the bottled liquid, and the rotating ring 18 is fixed in the rotating channel at the moment, so that the orientation fixation between the bottled liquid and the spray gun is realized.

In order to reduce the leakage of the bottled liquid mounted on the rotating part 102, a gasket 21 is thermally welded on one end of the elastic fixing ring 20 far away from the fixing frame 22, the radial section of the gasket 21 is a circular ring, the pump body 2 penetrates out of an inner ring of the gasket 21, and the gasket 21 can shield the opening of the bottled liquid to reduce the leakage of the liquid from the opening, so that the waste of the liquid is reduced. In order to provide good stability to the gasket 21, the material used for the gasket 21 is polyethylene.

Referring to fig. 5 and 6, in order to form the liquid into a mist shape after the liquid is discharged, the nozzle 4 is integrally formed with the transformer 9, the transformer 9 has a cylindrical shape, the transformer 9 is provided coaxially with the nozzle 4, and the outer diameter of the transformer 9 is equal to the outer diameter of the nozzle 4. The one end of keeping away from spray tube 4 on vary voltage portion 9 has seted up fixed annular 10, and the radial cross sectional shape of fixed annular 10 is the ring and fixed annular 10 sets up with vary voltage portion 9 is coaxial, has seted up vary voltage hole 11 in fixed annular 10 bottom, and vary voltage hole 11 communicates with the inside of spray tube 4. The spray piece 12 is inserted into the fixed ring groove 10, the outer side wall of the spray piece 12 abuts against the outer ring side wall of the fixed ring groove 10, the interior of the spray piece 12 is communicated with the fixed ring groove 10, and the spray piece 12 is provided with a spray hole 26 for spraying liquid. When the liquid flows through the pressure-changing hole 11, the flow rate of the liquid increases, and the liquid is atomized by the spray sheet 12 and sprayed from the spray holes 26.

In order to reduce the occurrence of the situation that the spray piece 12 falls out of the fixed ring groove 10 in the using process, the fixed part 302 is provided with a fixed groove 13, the fixed groove 13 and the fixed ring groove 10 are coaxially arranged, the spray pipe 4 penetrates through the bottom surface of the fixed groove 13 to enable the variable-pressure part 9 to be located in the fixed groove 13, a fixed cover 14 is arranged in the fixed groove 13 at the moment, the fixed cover 14 is provided with an opening facing the bottom surface direction of the fixed groove 13, the outer side wall of the fixed cover 14 is in interference fit with the side wall of the fixed groove 13, the inner side wall of the fixed cover 14 is in interference fit with the outer side wall of the variable-pressure part 9, the bottom surface of the opening is abutted to the spray piece 12 at the moment, and the fixed cover 14 is provided with a circulation hole 27 aligned to the spray hole 26. The fixing cover 14 is in interference fit with the fixing groove 13, and at this time, the fixing cover 14 is relatively stable, and the fixing cover 14 supports the spraying piece 12 tightly in the fixing ring groove 10 to reduce the possibility that the spraying piece 12 falls out of the fixing ring groove 10.

In order to improve the stability of spraying, seted up joint groove 15 on connecting portion 101, integrated into one piece has the joint ring 16 with joint groove 15 joint on fixed part 302, when joint ring 16 and joint groove 15 joint, fixed part 302 is stable relative connecting portion 101 to reduce the possibility that fixed part 302 trembles in the in-process that uses, thereby improved the stability of spraying.

The implementation principle of the recoverable spray gun of plastic of this application embodiment does: the bottled liquid is relatively fixedly installed on the rotating part 102 in the direction, at the moment, if a spray gun is needed to be used, the limiting block 7 slides to the first station, the extrusion pressing part 301 enables the pump body 2 to pump the liquid into the spray pipe 4, the liquid is processed by the spray sheet 12 to form a mist shape and sprayed out of the spray hole 26 to act on an object, when the spray gun is not needed to be used, the limiting block 7 slides to the second station, the limiting rod 6 is abutted to the limiting block 7 at the moment, the extrusion pressing part 301 of the extrusion pressing part 301 cannot move downwards to drive the pump body 2, and the situation that the spray gun is extruded to spray the liquid when the spray gun is not used is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An all-plastic recyclable spray gun is characterized in that: including shell (1), set up and be used for being connected with bottled liquid and drive pump body (2) that liquid removed in shell (1), set up spout (4) that have elastic gland (3) and be used for the hydrojet on shell (1), elastic gland (3) include extrusion portion (301) and fixed part (302), be provided with on extrusion portion (301) with pump body (2) liquid outlet intercommunication and extrude extrusion pipe (5) of pump body (2), extrusion pipe (5) and spout (4) intercommunication, the extrusion portion (301) are provided with extrusion pipe (5) on the surface and are provided with gag lever post (6), it has stopper (7) to slide on shell (1), stopper (7) have first station and second station, when stopper (7) are in first station, stopper (7) can not with gag lever post (6) butt, when the limiting block (7) is located at the second station, the limiting block (7) abuts against one end, far away from the top of the extrusion part (301), of the limiting rod (6).

2. The all-plastic recyclable spray gun of claim 1, wherein: seted up groove (8) that slide on shell (1), stopper (7) include contact site (701), portion of sliding (702) and joint portion (703), portion of sliding (702) slide and connect in groove (8) of sliding, contact site (701) with joint portion (703) set up in the both sides of portion of sliding (702), the lateral wall butt of contact site (701) and shell (1), the inside wall butt of joint portion (703) and shell (1).

3. The all-plastic recyclable spray gun of claim 1, wherein: the one end of keeping away from extrusion pipe (5) on spray tube (4) is provided with vary voltage portion (9), fixed annular (10) have been seted up on vary voltage portion (9), vary voltage hole (11) have been seted up to the bottom of fixed annular (10), vary voltage hole (11) and spray tube (4) inside intercommunication, be provided with in fixed annular (10) and spout piece (12).

4. The all-plastic recyclable spray gun of claim 3, wherein: fixed slot (13) have been seted up on fixed part (302), spray tube (4) run through fixed slot (13) bottom surface, vary voltage portion (9) set up in fixed slot (13), it has fixed lid (14) to peg graft in fixed slot (13), the inside wall and the vary voltage portion (9) interference fit of fixed lid (14), the outside wall and the inside wall interference fit of fixed slot (13) of fixed lid (14), fixed lid (14) with spout piece (12) butt.

5. The all-plastic recyclable spray gun of claim 1, wherein: the shell (1) is provided with a clamping groove (15), and the fixing part (302) is provided with a clamping ring (16) clamped with the clamping groove (15).

6. The all-plastic recyclable spray gun of claim 1, wherein: the shell (1) comprises a connecting portion (101) and a rotating portion (102), the connecting portion (101) is abutted to the squeezing portion (301), the rotating portion (102) is rotatably connected to one end, far away from the squeezing portion (301), of the connecting portion (101), and an inner side wall of the rotating portion (102) is provided with an inner thread (17) used for being connected with bottled liquid.

7. The all-plastic recyclable spray gun of claim 6, wherein: the one end that is close to connecting portion (101) on rotation portion (102) is provided with swivel becket (18), interference fit elasticity fixed block (19) are gone up in connecting portion (101), the one end that is close to rotation portion (102) on elasticity fixed block (19) is provided with solid fixed ring (20) with swivel becket (18) joint, form between solid fixed ring (20) and connecting portion (101) and supply swivel becket (18) pivoted rotation passageway.

8. The all-plastic recyclable spray gun of claim 7, wherein: the one end of keeping away from connecting portion (101) on solid fixed ring (20) is provided with gasket (21) with bottled liquid opening butt, the gasket (21) is run through in the pump body (2).