CN211247025U

CN211247025U - Pump of sprayer

Info

Publication number: CN211247025U
Application number: CN201922171356.2U
Authority: CN
Inventors: 潘世根; 潘世兵
Original assignee: Taizhou City Hangyu Plastic Co ltd
Current assignee: Taizhou City Hangyu Plastic Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-14
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a pump of atomizer, concretely relates to agricultural equipment technical field, including lower pump, the pump has been cup jointed in the inside activity of pump upper end down, the lower extreme of pump is equipped with first seal receptacle down, first seal receptacle includes first seal receptacle body, the inside wall of first seal receptacle body passes through the screw thread with the lateral wall of pump bottom down and can dismantle the connection, the top of first seal receptacle body is equipped with first seal lip. The utility model discloses a be equipped with down the pump, go up the pump, first seal receptacle body, first seal lip and second seal lip, when first seal receptacle body is connected with the pump down, make first seal lip and second seal lip hug closely with the lower wall of pump down, compare with prior art, be favorable to making the sealed effect of first seal receptacle body and pump junction better down to guarantee that the pump is difficult for taking place to leak, thereby make and spout the medicine normal clear of work.

Description

Pump of sprayer

Technical Field

The utility model relates to an agricultural equipment technical field, more specifically say, the utility model relates to a pump of atomizer.

Background

The sprayer is a device for converting liquid medicine or other liquid into mist by utilizing the air suction effect and uniformly spraying the mist on other objects, and in rural areas, the sprayer is an essential agricultural implement sprayer for preventing and treating plant diseases and insect pests and mainly comprises a medicine cylinder, a barrel cover, a filter screen, a pump, straps, a pressurizing handle, a liquid conveying pipe, a spray rod, a switch and a spray head, wherein the pump is a core component for sucking the liquid medicine out of the sprayer.

When the pump works, leakage is easy to occur because the pump needs to be continuously sucked and extruded, the connection part at the bottom of the pump of the existing sprayer is the place which is easy to leak, and the sprayer is easy to cause serious leakage especially after long-time use, so that the sprayer cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, providing a pump of atomizer, the utility model aims to solve the technical problem that: how to improve the tightness of the connection part of the bottom of the pump.

In order to achieve the above object, the utility model provides a following technical scheme: a pump of a sprayer comprises a lower pump, an upper pump is movably sleeved inside the upper end of the lower pump, the lower end of the lower pump is provided with a first sealing seat which comprises a first sealing seat body, the inner side wall of the first seal seat body is detachably connected with the outer side wall of the bottom end of the lower pump through threads, a first sealing lip is arranged above the first sealing seat body, a second sealing lip is arranged on the outer side of the first sealing lip, the first sealing lip and the second sealing lip are integrally formed with the first sealing seat body, a plurality of first convex blocks arranged at intervals along the circumferential direction are integrally formed at the bottom end of the first sealing seat body, the inner side of the first sealing seat body is movably provided with a first ball body, the bottom end inside the lower pump is provided with a plurality of check blocks positioned above the first ball body, and the bottom ends of the plurality of check blocks are fixedly connected with the lower wall of the lower pump.

Through the arrangement of the first sealing lip and the second sealing lip, when the first sealing seat body is connected with the lower pump, the first sealing lip and the second sealing lip are tightly attached to the lower wall of the lower pump, so that the sealing effect of the joint of the first sealing seat body and the lower pump is better.

In a preferred embodiment, the number of the first protrusions is four, the four first protrusions are uniformly and respectively arranged at the outer edge of the lower end of the first seal holder body, and the first protrusions are pulled to facilitate the rotation of the first seal holder body during installation and disassembly.

In a preferred embodiment, the bottom end of the upper pump is sleeved with two sealing rings positioned at the inner side of the lower pump, and the two sealing rings are arranged oppositely to improve the sealing performance of the movable part of the lower pump and the upper pump.

In a preferred embodiment, the bottom end of the sealing ring is provided with a second sealing seat, the inner side wall of the second sealing seat is detachably connected with the outer side wall of the bottom end of the lower pump through threads, four second protruding blocks are integrally formed at the bottom of the second sealing seat, the four second protruding blocks are uniformly distributed at the outer edge of the bottom of the second sealing seat, and the second protruding blocks are pulled to facilitate rotation of the second sealing seat during installation and disassembly.

In a preferred embodiment, a second ball is movably arranged inside the second sealing seat, a baffle cover positioned above the second ball is arranged at the bottom end inside the upper pump, the bottom end of the baffle cover is fixedly connected with the lower wall of the lower pump, and the second ball blocks the lower end of the second sealing seat during air suction to prevent outside air from entering and moves upwards during spraying water without affecting spraying liquid medicine.

In a preferred embodiment, an end cover is arranged at the upper end of the upper pump, the lower wall of the end cover is attached to the upper wall of the upper pump, a water outlet hole is formed in one side of the end cover, and liquid medicine can be conveniently sprayed out through the water outlet hole.

In a preferred embodiment, a connecting pipe is arranged inside the upper pump, and the upper end of the connecting pipe is movably sleeved with the inner side wall at the lower end of the end cover and is communicated with the water outlet hole, so that the water is sprayed out from the water outlet hole through the connecting pipe.

In a preferred embodiment, the outer side wall sleeve at the upper end of the connecting pipe is provided with a first connecting sleeve, the outer side sleeve at the bottom end of the end cover is provided with a second connecting sleeve, the inner side wall of the second connecting sleeve is detachably connected with the outer side wall at the bottom end of the end cover through threads, and the upper end of the first connecting sleeve is positioned at the inner side of the lower end of the second connecting sleeve, so that the connecting pipe is conveniently connected with the lower end of the end cover.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with down the pump, go up the pump, first seal receptacle body, first seal lip and second seal lip, when first seal receptacle body is connected with the pump down, make first seal lip and second seal lip hug closely with the lower wall of pump down, compare with prior art, be favorable to making the sealed effect of first seal receptacle body and pump junction better down to guarantee that the pump is difficult for taking place to leak, thereby make and spout the medicine normal clear of work.

2. The utility model discloses a be equipped with sealing washer and second seal receptacle, when the second seal receptacle is connected with last pump, make the second seal receptacle compress tightly two sealing washers and last pump, and the lateral wall of two sealing washers is hugged closely with the inside wall of pump down, compares with prior art, is favorable to improving down the sealed effect of pump and last pump activity department.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a cross-sectional view taken along line a-a of fig. 3 according to the present invention.

Fig. 5 is a partial enlarged view of the position B in the present invention 4.

Fig. 6 is a schematic structural view of the first seal seat of the present invention.

Fig. 7 is a partial enlarged view of the point C in the present invention 4.

Fig. 8 is a partial enlarged view of the position D in the present invention 4.

The reference signs are: 1 lower pump, 2 upper pump, 3 first seal holder, 31 first seal holder body, 32 first seal lip, 33 second seal lip, 34 first lug, 4 first spheroid, 41 dog, 5 sealing rings, 51 second seal holder, 52 second lug, 6 second spheroid, 61 keep off the cover, 7 connecting pipes, 8 end covers, 81 apopores, 9 first adapter sleeve, 91 second adapter sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The pump of a sprayer as shown in fig. 1-8 comprises a lower pump 1, an upper pump 2 is movably sleeved in the upper end of the lower pump 1, a first seal seat 3 is arranged at the lower end of the lower pump 1, the first seal seat 3 comprises a first seal seat body 31, the inner side wall of the first seal seat body 31 is detachably connected with the outer side wall of the bottom end of the lower pump 1 through screw threads, a first seal lip 32 is arranged above the first seal seat body 31, a second seal lip 33 is arranged outside the first seal lip 32, the first seal lip 32 and the second seal lip 33 are both integrally formed with the first seal seat body 31, a plurality of first protruding blocks 34 are integrally formed at intervals along the circumferential direction at the bottom end of the first seal seat body 31, a first ball 4 is movably arranged inside the first seal seat body 31, a plurality of stoppers 41 are arranged above the first ball 4 at the bottom end of the lower pump 1, the bottom ends of a plurality of the stop blocks 41 are fixedly connected with the lower wall of the lower pump 1.

The number of the first protrusions 34 is four, and the four first protrusions 34 are uniformly and respectively located at the outer edge of the lower end of the first seal holder body 31.

The bottom end of the upper pump 2 is sleeved with two sealing rings 5 positioned on the inner side of the lower pump 1, and the two sealing rings 5 are arranged oppositely.

The bottom of sealing washer 5 below is equipped with second seal receptacle 51, the inside wall of second seal receptacle 51 passes through the screw thread detachable connection with the lateral wall of lower pump 1 bottom, the bottom integrated into one piece of second seal receptacle 51 has four second lugs 52, four second lugs 52 evenly distributed is in the periphery department of second seal receptacle 51 bottom.

The second sealing seat 51 is movably provided with a second ball 6 inside, the bottom end inside the upper pump 2 is provided with a shield 61 positioned above the second ball 6, and the bottom end of the shield 61 is fixedly connected with the lower wall of the lower pump 1.

An end cover 8 is arranged at the upper end of the upper pump 2, the lower wall of the end cover 8 is attached to the upper wall of the upper pump 2, and a water outlet 81 is formed in one side of the end cover 8.

The upper pump 2 is internally provided with a connecting pipe 7, and the upper end of the connecting pipe 7 is movably sleeved with the inner side wall at the lower end of the end cover 8.

The lateral wall cover of connecting pipe 7 upper end is equipped with first adapter sleeve 9, the outside cover of 8 bottoms of end cover is equipped with second adapter sleeve 91, the inside wall of second adapter sleeve 91 passes through the screw thread with the lateral wall of 8 bottoms of end cover and can dismantle the connection, the upper end of first adapter sleeve 9 is located the inboard of second adapter sleeve 91 lower extreme.

The specific implementation mode is as follows: when the pump works, the upper pump 2 is pulled upwards, the sealing ring 5 and the second sealing seat 51 also move upwards, at the moment, the first ball 4 is contacted with the upper part of the stop block 41, the second ball 6 is contacted with the bottom of the second sealing seat 51, so that the liquid medicine is sucked into the lower pump 1 from the bottom of the first sealing seat body 31, after the liquid medicine is sucked, the upper pump 2 is pressed downwards, the upper pump 2 drives the sealing ring 5 and the second sealing seat 51 to move downwards, at the moment, the first ball 4 is contacted with the bottom of the first sealing seat body 31, the second ball 6 is contacted with the upper part of the baffle cover 61, so that the liquid medicine in the lower pump 1 cannot flow back, and the liquid medicine in the lower pump 1 can be sequentially pressed into the second sealing seat 51 and the connecting pipe 7 and then is sprayed out from the end cover 8.

By arranging the first seal seat body 31, the first seal seat body 31 is connected with the bottom of the lower pump 1 through threads, and because the bottom of the first seal seat body 31 is provided with four first lugs 34, when the first seal seat body 31 is disassembled, the first lugs 34 can be pulled by hands to facilitate the installation and the disassembly of the first seal seat body 31, similarly, because the second seal seat 51 is connected with the bottom end of the upper pump 2 through threads, and because the second lugs 52 are arranged, the installation and the disassembly of the second seal seat 51 are facilitated, through the arrangement of the first seal lip 32 and the second seal lip 33, when the first seal seat body 31 is connected with the lower pump 1, the first seal lip 32 and the second seal lip 33 are tightly attached with the lower wall of the lower pump 1, which is favorable for ensuring that the sealing effect at the connection part of the first seal seat body 31 and the lower pump 1 is better, so as to ensure that the pump is not easy to leak, therefore, the spraying work is normally carried out, the embodiment specifically solves the problem that the pump is easy to leak because the pump needs to be continuously sucked and extruded when in work, the joint of the bottom of the pump of the existing sprayer is the place which is most easy to leak, and particularly after long-time use, the serious leakage is easy to cause, so that the sprayer can not be used, through the arrangement of the two sealing rings 5, when the second sealing seat 51 is connected with the upper pump 2, the second sealing seat 51 tightly presses the two sealing rings 5 and the upper pump 2, and the side walls of the two sealing rings 5 are tightly attached to the inner side wall of the lower pump 1, so that the sealing effect of the movable part of the lower pump 1 and the upper pump 2 can be improved.

The utility model discloses the theory of operation:

referring to the attached drawings 1-8 of the specification, when the pump works, the upper pump 2 is pulled upwards first, the sealing ring 5 and the second sealing seat 51 move upwards, so that the liquid medicine is sucked into the lower pump 1 from the bottom of the first sealing seat body 31, after the liquid medicine is sucked, the upper pump 2 is pressed downwards, the upper pump 2 drives the sealing ring 5 and the second sealing seat 51 to move downwards, the liquid medicine in the lower pump 1 can be sequentially pressed into the second sealing seat 51 and the connecting pipe 7, and then the liquid medicine is sprayed out from the end cover 8.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pump of atomizer, includes lower pump (1), pump (2) is connected to the inside activity cover of lower pump (1) upper end, its characterized in that: the lower end of the lower pump (1) is provided with a first seal seat (3), the first seal seat (3) comprises a first seal seat body (31), the inner side wall of the first seal seat body (31) is detachably connected with the outer side wall of the bottom end of the lower pump (1) through threads, a first seal lip (32) is arranged above the first seal seat body (31), a second seal lip (33) is arranged on the outer side of the first seal lip (32), the first seal lip (32) and the second seal lip (33) are integrally formed with the first seal seat body (31), the bottom end of the first seal seat body (31) is integrally formed with a plurality of first convex blocks (34) arranged at intervals along the circumferential direction, a first ball body (4) is movably arranged on the inner side of the first seal seat body (31), and a plurality of check blocks (41) positioned above the first ball body (4) are arranged at the bottom end inside the lower pump (1), the bottom ends of the plurality of stop blocks (41) are fixedly connected with the lower wall of the lower pump (1).

2. A pump for a nebulizer according to claim 1 wherein: the number of the first protruding blocks (34) is four, and the four first protruding blocks (34) are uniformly distributed at the outer edge of the lower end of the first sealing seat body (31).

3. A pump for a nebulizer according to claim 1 wherein: the bottom end of the upper pump (2) is sleeved with two sealing rings (5) positioned on the inner side of the lower pump (1), and the two sealing rings (5) are arranged oppositely.

4. A pump for a nebulizer according to claim 3, wherein: the bottom of sealing washer (5) is equipped with second seal receptacle (51), the inside wall of second seal receptacle (51) passes through the screw thread detachable connection with the lateral wall of lower pump (1) bottom, the bottom integrated into one piece of second seal receptacle (51) has four second lugs (52), four second lug (52) evenly distributed is in the periphery department of second seal receptacle (51) bottom.

5. A pump for a nebulizer according to claim 4, wherein: a second ball body (6) is movably arranged in the second sealing seat (51), a baffle cover (61) positioned above the second ball body (6) is arranged at the bottom end in the upper pump (2), and the bottom end of the baffle cover (61) is fixedly connected with the lower wall of the lower pump (1).

6. A pump for a nebulizer according to claim 1 wherein: an end cover (8) is arranged at the upper end of the upper pump (2), the lower wall of the end cover (8) is attached to the upper wall of the upper pump (2), and a water outlet hole (81) is formed in one side of the end cover (8).

7. A pump for a nebulizer according to claim 6, wherein: a connecting pipe (7) is arranged inside the upper pump (2), and the upper end of the connecting pipe (7) is movably sleeved with the inner side wall at the lower end of the end cover (8).

8. A pump for a nebulizer according to claim 7, wherein: the lateral wall cover of connecting pipe (7) upper end is equipped with first adapter sleeve (9), the outside cover of end cover (8) bottom is equipped with second adapter sleeve (91), the inside wall of second adapter sleeve (91) passes through the screw thread with the lateral wall of end cover (8) bottom and can dismantle the connection, the upper end of first adapter sleeve (9) is located the inboard of second adapter sleeve (91) lower extreme.