CN211435261U

CN211435261U - Check valve control structure for injection pump

Info

Publication number: CN211435261U
Application number: CN201921458683.XU
Authority: CN
Inventors: 刘州豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-09-08
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a check valve technical field just discloses a check valve control structure for jet pump, including valve body, filter equipment and trace, the case has been cup jointed in the inner chamber activity of valve body, the top and the bottom of valve body inner wall are through sealed annular slab fixed connection, the fixed surface of case is installed with annular barrier rod. This a check valve control structure for jet pump, through drive gear, the trace, driven gear, the gag lever post, the trace, the linkage post, cooperation between first thread bush and the second thread bush, the user rotates horizontal pipe clockwise, then drive the gag lever post and break away from the inside of spacing groove, the restoring force through elastic compression part drives filter equipment and pops out from the transverse groove, thereby can effectively avoid the inside of filter equipment joint at the transverse groove, convenient to use person takes out filter equipment then, thereby reached the user and be convenient for carry out the effect of changing to filter equipment.

Description

Check valve control structure for injection pump

Technical Field

The utility model relates to a check valve technical field specifically is a check valve control structure for injection pump.

Background

Self-priming jet pump is the pump body that an automatic absorption and spray, it is the water lift in the well in the low water level area of wide application, domestic water, because of the lift is high, the flow is big, still specially adapted water tower supplies water, the field irrigation, join in marriage overhead tank and pressure switch and can do automatic pump for, it is more convenient to use, to self-priming jet pump, need install the check valve and ensure from the function of inhaling, but before the pump starts, need fill water in the pump head, and the check valve is the hindrance of the in-process of watering, the existence of check valve not only makes the watering difficult, and hardly guarantee to fill, hinder the working effect of pump.

The simple one-way valve manual control structure disclosed in the Chinese utility model patent application publication specification CN105422929A is used for solving the problem that the one-way valve of the traditional self-priming injection pump hinders the pump head from irrigating, the one-way valve can be opened by arranging a one-way valve button and a one-way valve spring to achieve the effect of smooth pump head irrigation, and the effect of pulling open the one-way valve is achieved by arranging a one-way valve pull rod; this simple and easy check valve manual control structure's filter equipment does not have the good elasticity structure of installation, and the user of not being convenient for shakes off the impurity on the filter equipment, and this simple and easy check valve manual control structure's the structural case of installation good sealing device not, and sealed effect is relatively poor, when preventing the refluence, makes the shortcoming that the interior material of valve flows out easily, for this reason we propose a check valve control structure for jet pump.

SUMMERY OF THE UTILITY MODEL

The utility model provides a check valve control structure for injection pump, possess the effect that the convenient to use person changed filter equipment, improved the efficiency that the user cleared up filter equipment and improved the advantage of the sealed effect between case and the sealed annular plate, solved this simple and easy check valve manual control structure, there is not good ejection structure of installation, filter equipment installs in the valve for a long time, when changing the filter screen, can only pry it out through the instrument, it is inconvenient for the user to change it; this simple and easy check valve manual control structure's filter equipment does not have the good elasticity structure of installation, and the user of not being convenient for shakes off the impurity on the filter equipment, and this simple and easy check valve manual control structure's case does not have the good sealing device of installation, and sealed effect is relatively poor, when preventing the refluence, makes the problem that the interior material of valve flows out easily.

In order to achieve the above purpose, the utility model provides a following technical scheme realizes: the utility model provides a check valve control structure for jet pump, includes valve body, filter equipment and trace, the case has been cup jointed in the inner chamber activity of valve body, sealed annular slab fixed connection is passed through to the top and the bottom of valve body inner wall, the surface mounting of case has annular separation pole, the annular separation groove with annular separation pole looks adaptation is seted up in the left side of sealed annular slab, the right side of annular separation pole cup joints with the inside seal in annular separation groove, the left side of valve body inner wall is through the left side fixed connection of elastic expansion part with the case, the transverse groove has been seted up on the right side of valve body, the connecting block has been cup jointed in the inside activity of transverse groove.

The left side of filter equipment runs through the valve body and extends to the inside of transverse groove, filter equipment's left side and the right side looks joint of connecting block, filter equipment is including the connecting plate, the left top fixed mounting of connecting plate has the joint board, the left side of joint board and the right side looks joint of connecting block, the first annular filter of arc pole fixedly connected with is passed through at the left middle part of connecting plate, the inside activity of connecting plate has cup jointed the second annular filter, the right side fixed connection of telescoping device and first annular filter is passed through in the left side of second annular filter, the spacing groove has been seted up at the top of joint board.

The outer surface of the linkage rod is movably sleeved with the top of the valve body through a fixed column, a first threaded sleeve and a second threaded sleeve are respectively arranged on the outer surface of the linkage rod, the bottoms of the first threaded sleeve and the second threaded sleeve are movably connected with a linkage plate through a linkage column, a limiting rod is fixedly connected to the bottom of the linkage plate, the bottom end of the limiting rod penetrates through the valve body and extends to the inside of the limiting groove, the bottom end of the limiting rod is movably sleeved with the inside of the limiting groove, the outer surface of the limiting rod is movably sleeved with the valve body, the outer surface of the linkage rod is fixedly sleeved with the limiting groove, a transverse rod is fixedly mounted on the right side of the valve body, a transverse pipe is movably sleeved on the right side of the transverse rod, a driving gear is fixedly sleeved on the outer surface of the transverse pipe, and the top of the driving gear.

Preferably, the elastic compression part is movably sleeved inside the transverse groove, the left end of the elastic compression part is fixedly connected with the left side of the inner wall of the transverse groove, and the right end of the elastic compression part is fixedly connected with the left side of the connecting block.

Preferably, the first threaded sleeve and the second threaded sleeve are both located on the left side of the fixed column, the driven gear is located on the right side of the fixed column, and the sum of the distance between the first threaded sleeve and the fixed column and the distance between the second threaded sleeve and the fixed column is twice of the distance between the fixed column and the driven gear.

Preferably, the right side of the outer surface of the linkage rod is provided with a relatively fine external thread, the insides of the first thread bushing and the second thread bushing are respectively in threaded sleeve connection with the outer surface of the linkage rod, and the thread directions of the internal threads formed by the first thread bushing and the second thread bushing are opposite.

Preferably, the linkage plate, the first threaded sleeve and the second threaded sleeve form an isosceles triangle by taking the length between the first threaded sleeve and the second threaded sleeve as a bottom edge, and the bottom angle of the triangle is thirty degrees.

Preferably, the right side of the transverse pipe is fixedly connected with a button cap, and the right side of the filtering device is fixedly connected with a clamping pad.

Preferably, the telescopic device comprises a barrel and a fixed plate, a rubber pad is fixedly mounted on the right side of the barrel, the left side of the barrel is fixedly connected with the first annular filter plate, a telescopic column is movably sleeved inside the barrel, the inside of the rubber pad is movably sleeved with the telescopic column, the right end of the telescopic column penetrates through the barrel and extends to the right side of the barrel, and the right end of the telescopic column is fixedly connected with the left side of the second annular filter plate.

Preferably, the outer surface of the fixing plate is movably sleeved with the inside of the cylinder, and the right side of the fixing plate is fixedly connected with the left side of the telescopic column.

Preferably, the elastic reset component is movably sleeved inside the barrel, the left end of the elastic reset component is fixedly connected with the left side of the inner wall of the barrel, and the right end of the elastic reset component is fixedly connected with the left side of the fixing plate.

The utility model provides a check valve control structure for jet pump possesses following beneficial effect:

1. this a check valve control structure for jet pump, through drive gear, the trace, driven gear, the gag lever post, the trace, the linkage post, cooperation between first thread bush and the second thread bush, the user rotates horizontal pipe clockwise, then drive the gag lever post and break away from the inside of spacing groove, the restoring force through elastic compression part drives filter equipment and pops out from the transverse groove, thereby can effectively avoid the inside of filter equipment joint at the transverse groove, convenient to use person takes out filter equipment then, thereby reached the user and be convenient for carry out the effect of changing to filter equipment.

2. This a check valve control structure for jet pump, through the connecting plate, first annular filter, the arc pole, cooperation between telescoping device and the second annular filter, then be convenient for filter the industrial oil of check valve oil inlet department, through the barrel, flexible post, the fixed plate, elasticity resets the cooperation between part and the second annular filter, and elasticity resets the part and has elasticity, then convenient to use person when clearing up filter equipment, promote second annular filter, be convenient for shake off remaining impurity on the second annular filter, then user's clearance filter equipment's efficiency has been improved.

3. This a check valve control structure for jet pump, through the cooperation between case, the sealing ring shaped plate, annular separation groove and the annular separation pole, be located then that the industrial oil that left oil-out goes out when flowing backwards to the oil inlet that lies in the right side, and because the inside seal in convex annular separation pole and annular separation groove cup joints, prevent then the industrial oil refluence, improved the sealed effect between case and the sealing ring shaped plate simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side schematic view of the connection plate of FIG. 1;

FIG. 3 is a side schematic view of the filter apparatus of FIG. 1;

fig. 4 is an enlarged schematic view of the filter device of fig. 1.

In the figure: 1. a valve body; 2. a valve core; 3. sealing the annular plate; 4. an elastic expansion member; 5. a transverse slot; 6. a filtration device; 61. a connecting plate; 62. a first annular filter plate; 63. an arcuate bar; 64. a telescoping device; 641. a barrel; 642. a telescopic column; 643. a fixing plate; 644. an elastic reset component; 645. a rubber pad; 65. a second annular filter plate; 66. A clamping and connecting plate; 7. connecting blocks; 8. an elastic compression member; 9. a limiting groove; 10. a transverse bar; 11. a transverse tube; 12. a drive gear; 13. fixing a column; 14. a linkage rod; 15. a driven gear; 16. a limiting rod; 17. a linkage plate; 18. a linkage column; 19. a first threaded sleeve; 20. a second threaded sleeve; 21. clamping the pad; 22. a button cap; 23. an annular barrier groove; 24. annular barrier rod.

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.

Referring to fig. 1-4, a check valve control structure for an injection pump comprises a valve body 1, a filter device 6 and a linkage rod 14, wherein a valve core 2 is movably sleeved in an inner cavity of the valve body 1, the top and the bottom of the inner wall of the valve body 1 are fixedly connected through a sealing ring-shaped plate 3, an annular blocking rod 24 is fixedly installed on the outer surface of the valve core 2, an annular blocking groove 23 matched with the annular blocking rod 24 is formed in the left side of the sealing ring-shaped plate 3, the right side of the annular blocking rod 24 is hermetically sleeved with the inside of the annular blocking groove 23, industrial oil discharged from an oil outlet at the left side flows backwards towards an oil inlet at the right side, the convex annular blocking rod 24 is sleeved with the inside of the annular blocking groove 23, the industrial oil is prevented from flowing backwards, the sealing effect between the valve core 2 and the sealing ring-shaped plate 3 is improved, the left side of the inner wall of the valve body, the right side of the valve body 1 is provided with a transverse groove 5, an elastic compression part 8 is movably sleeved in the transverse groove 5, the left end of the elastic compression part 8 is fixedly connected with the left side of the inner wall of the transverse groove 5, the right end of the elastic compression part 8 is fixedly connected with the left side of a connecting block 7, the filter device 6 is driven to pop out of the transverse groove 5 by the restoring force of the elastic compression part 8, so that the filter device 6 can be effectively prevented from being clamped in the transverse groove 5, and then the filter device 6 is convenient to take out by a user, thereby achieving the effect that the user can conveniently replace the filter device 6, and the connecting block 7 is movably sleeved in the transverse groove 5;

the left side of the filtering device 6 penetrates through the valve body 1 and extends to the inside of the transverse groove 5, the left side of the filtering device 6 is connected with the right side of the connecting block 7 in a clamping manner, the filtering device 6 comprises a connecting plate 61, a clamping plate 66 is fixedly installed at the top of the left side of the connecting plate 61, the left side of the clamping plate 66 is connected with the right side of the connecting block 7 in a clamping manner, a first annular filter plate 62 is fixedly connected to the middle of the left side of the connecting plate 61 through an arc-shaped rod 63, a second annular filter plate 65 is movably sleeved inside the connecting plate 61, the left side of the second annular filter plate 65 is fixedly connected with the right side of the first annular filter plate 62 through a telescopic device 64, a limiting groove 9 is formed in the top of the clamping plate 66, industrial oil at an oil inlet of the check valve can be conveniently filtered, the elastic resetting component 644 has elasticity through the matching among the, then, when a user cleans the filtering apparatus 6, the user pushes the second annular filtering plate 65, so as to shake off impurities remaining on the second annular filtering plate 65, and further improve the efficiency of the user in cleaning the filtering apparatus 6, the telescopic device 64 includes a cylinder 641 and a fixing plate 643, a rubber pad 645 is fixedly installed on the right side of the cylinder 641, the left side of the cylinder 641 is fixedly connected with the first annular filtering plate 62, the outer surface of the fixing plate 643 is movably sleeved with the inside of the cylinder 641, the right side of the fixing plate 643 is fixedly connected with the left side of the telescopic column 642, the telescopic column 642 is movably sleeved inside the cylinder 641, an elastic resetting part 644 is movably sleeved inside the cylinder 641, the left end of the elastic resetting part 644 is fixedly connected with the left side of the inner wall of the cylinder 641, the right end of the elastic resetting part 644 is fixedly connected with the left side of the fixing plate 643, the inside of the rubber pad, then the liquid in the valve is prevented from flowing into the telescopic device 64, and then the movement of the telescopic column 642 is obstructed, the right end of the telescopic column 642 penetrates through the cylinder 641 and extends to the right side of the cylinder 641, and the right end of the telescopic column 642 is fixedly connected with the left side of the second annular filter plate 65;

the outer surface of the linkage rod 14 is movably sleeved with the top of the valve body 1 through the fixed column 13, the right side of the outer surface of the linkage rod 14 is provided with a relatively fine external thread, the interiors of the first threaded sleeve 19 and the second threaded sleeve 20 are respectively in threaded sleeve connection with the outer surface of the linkage rod 14, the thread directions of the internal threads formed on the first threaded sleeve 19 and the second threaded sleeve 20 are opposite, the outer surface of the linkage rod 14 is respectively provided with the first threaded sleeve 19 and the second threaded sleeve 20, the first threaded sleeve 19 and the second threaded sleeve 20 are both positioned on the left side of the fixed column 13, the driven gear 15 is positioned on the right side of the fixed column 13, the sum of the distance between the first threaded sleeve 19 and the fixed column 13 and the distance between the second threaded sleeve 20 and the fixed column 13 is twice of the distance between the fixed column 13 and the driven gear 15, the bottoms of the first threaded sleeve 19 and the second threaded sleeve 20 are movably connected with the linkage plate 17 through, The length between the first threaded sleeve 19 and the second threaded sleeve 20 is taken as a bottom edge to form an isosceles triangle, the bottom angle of the triangle is thirty degrees, the bottom of the linkage plate 17 is fixedly connected with a limiting rod 16, the bottom end of the limiting rod 16 penetrates through the valve body 1 and extends to the inside of the limiting groove 9, the bottom end of the limiting rod 16 is movably sleeved with the inside of the limiting groove 9, the outer surface of the limiting rod 16 is movably sleeved with the valve body 1, the outer surface of the linkage rod 14 is fixedly sleeved with the limiting groove 9, the right side of the valve body 1 is fixedly provided with a transverse rod 10, the right side of the transverse rod 10 is movably sleeved with a transverse pipe 11, the right side of the transverse pipe 11 is fixedly connected with a button cap 22, the right side of the filtering device 6 is fixedly connected with a clamping pad 21, a user rotates the transverse pipe 11 clockwise to drive the limiting rod 16 to be separated from the inside of the limiting groove 9, the outer surface of the transverse pipe 11, the top of the driving gear 12 is in threaded socket connection with the bottom of the driven gear 15.

In summary, in the check valve control structure for an injection pump, when in use, a user rotates the button cap 22 clockwise, and then drives the driving gear 12 on the outer surface of the transverse pipe 11 fixedly connected with the button cap 22 to rotate, since the driving gear 12 is engaged with the driven gear 15, and then drives the linkage rod 14 inside the driven gear 15 to rotate clockwise, and then since the linkage rod 14 is movably sleeved with the valve body 1 through the fixed column 13, the driving gear drives the first threaded sleeve 19 and the second threaded sleeve 20 to move towards one side far away from the linkage plate 17, so as to drive the two linkage columns 18 at the bottoms of the first threaded sleeve 19 and the second threaded sleeve 20 to move in opposite directions, and the lengths of the two linkage columns 18 are fixed and are both connected to the top of the linkage plate 17, and then the bottom ends of the two linkage columns 18 drive the linkage plate 17 to move upwards, so as to continuously rotate the button cap 22 clockwise, then, the bottom end of the limiting rod 16 is driven to be separated from the inside of the limiting groove 9, at the moment, due to the restoring force of the elastic compression part 8, the filtering device 6 is separated from the inside of the transverse groove 5 by pushing the connecting block 7, then, a user can take out the filtering device 6 conveniently, due to the elastic force of the elastic reset part 644, then, the user can clean impurities on the second annular filtering plate 65 conveniently by pushing the second annular filtering plate 65 to move to the right side.

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. A check valve control structure for jet pump, includes valve body (1), filter equipment (6) and trace (14), its characterized in that: the inner cavity of the valve body (1) is movably sleeved with a valve core (2), the top and the bottom of the inner wall of the valve body (1) are fixedly connected through a sealing annular plate (3), an annular blocking rod (24) is fixedly installed on the outer surface of the valve core (2), an annular blocking groove (23) matched with the annular blocking rod (24) is formed in the left side of the sealing annular plate (3), the right side of the annular blocking rod (24) is hermetically sleeved with the inside of the annular blocking groove (23), the left side of the inner wall of the valve body (1) is fixedly connected with the left side of the valve core (2) through an elastic telescopic part (4), a transverse groove (5) is formed in the right side of the valve body (1), and a connecting block (7) is movably sleeved in the transverse groove (5);

the left side of the filtering device (6) penetrates through the valve body (1) and extends to the inside of the transverse groove (5), the left side of the filtering device (6) is clamped with the right side of the connecting block (7), the filtering device (6) comprises a connecting plate (61), the top of the left side of the connecting plate (61) is fixedly provided with a clamping and connecting plate (66), the left side of the clamping and connecting plate (66) is clamped and connected with the right side of the connecting block (7), the middle part of the left side of the connecting plate (61) is fixedly connected with a first annular filter plate (62) through an arc-shaped rod (63), a second annular filter plate (65) is movably sleeved in the connecting plate (61), the left side of the second annular filter plate (65) is fixedly connected with the right side of the first annular filter plate (62) through a telescopic device (64), and the top of the clamping plate (66) is provided with a limiting groove (9);

the outer surface of the linkage rod (14) is movably sleeved with the top of the valve body (1) through a fixed column (13), the outer surface of the linkage rod (14) is respectively provided with a first threaded sleeve (19) and a second threaded sleeve (20), the bottoms of the first threaded sleeve (19) and the second threaded sleeve (20) are movably connected with a linkage plate (17) through a linkage column (18), the bottom of the linkage plate (17) is fixedly connected with a limiting rod (16), the bottom end of the limiting rod (16) penetrates through the valve body (1) and extends to the inside of the limiting groove (9), the bottom end of the limiting rod (16) is movably sleeved with the inside of the limiting groove (9), the outer surface of the limiting rod (16) is movably sleeved with the valve body (1), the outer surface of the linkage rod (14) is fixedly sleeved with the limiting groove (9), and the transverse rod (10) is fixedly installed on the right side of the valve body (1), the right side activity of horizontal pole (10) has cup jointed horizontal pipe (11), the fixed drive gear (12) that has cup jointed of surface of horizontal pipe (11), the top of drive gear (12) and the bottom screw thread of driven gear (15) cup joint.

2. A check valve control structure for an injection pump according to claim 1, characterized in that: elastic compression parts (8) are movably sleeved inside the transverse groove (5), the left end of each elastic compression part (8) is fixedly connected with the left side of the inner wall of the transverse groove (5), and the right end of each elastic compression part (8) is fixedly connected with the left side of the connecting block (7).

3. A check valve control structure for an injection pump according to claim 1, characterized in that: the first threaded sleeve (19) and the second threaded sleeve (20) are located on the left side of the fixed column (13), the driven gear (15) is located on the right side of the fixed column (13), and the sum of the distance between the first threaded sleeve (19) and the fixed column (13) and the distance between the second threaded sleeve (20) and the fixed column (13) is twice the distance between the fixed column (13) and the driven gear (15).

4. A check valve control structure for an injection pump according to claim 1, characterized in that: the right side of the outer surface of the linkage rod (14) is provided with a relatively fine external thread, the insides of the first thread sleeve (19) and the second thread sleeve (20) are respectively in threaded sleeve connection with the outer surface of the linkage rod (14), and the thread directions of the internal threads formed on the first thread sleeve (19) and the second thread sleeve (20) are opposite.

5. A check valve control structure for an injection pump according to claim 1, characterized in that: the linkage plate (17), the first threaded sleeve (19) and the second threaded sleeve (20) form an isosceles triangle by taking the length between the first threaded sleeve (19) and the second threaded sleeve (20) as a bottom edge, and the bottom angle of the triangle is thirty degrees.

6. A check valve control structure for an injection pump according to claim 1, characterized in that: the right side fixedly connected with button cap (22) of horizontal pipe (11), the right side fixedly connected with joint pad (21) of filter equipment (6).

7. A check valve control structure for an injection pump according to claim 1, characterized in that: the telescopic device (64) comprises a cylinder body (641) and a fixing plate (643), a rubber gasket (645) is fixedly mounted on the right side of the cylinder body (641), the left side of the cylinder body (641) is fixedly connected with a first annular filter plate (62), a telescopic column (642) is movably sleeved inside the cylinder body (641), the inside of the rubber gasket (645) is movably sleeved with the telescopic column (642), the right end of the telescopic column (642) penetrates through the cylinder body (641) and extends to the right side of the cylinder body (641), and the right end of the telescopic column (642) is fixedly connected with the left side of a second annular filter plate (65).

8. A check valve control structure for an injection pump according to claim 7, wherein: the outer surface of the fixing plate (643) is movably sleeved with the interior of the cylinder body (641), and the right side of the fixing plate (643) is fixedly connected with the left side of the telescopic column (642).