CN214196639U - Can improve diaphragm pump life's end cover - Google Patents
Can improve diaphragm pump life's end cover Download PDFInfo
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- CN214196639U CN214196639U CN202022778827.9U CN202022778827U CN214196639U CN 214196639 U CN214196639 U CN 214196639U CN 202022778827 U CN202022778827 U CN 202022778827U CN 214196639 U CN214196639 U CN 214196639U
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- lower cover
- cover
- liquid outlet
- inlet
- spacer
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Abstract
The utility model discloses an end cover capable of prolonging the service life of a diaphragm pump, which completely separates a liquid inlet and outlet channel through the structural design, effectively solves the problem of liquid leakage and prolongs the service life of the diaphragm pump; the setting that the spacer matches is between upper cover and lower cover, the upside of upper cover is provided with feed liquor pipe and drain pipe, the position that the downside of upper cover corresponds feed liquor pipe and drain pipe is provided with upper cover liquid outlet and upper cover inlet respectively, the downside of lower cover is provided with the diaphragm chamber, the position that the upside of lower cover corresponds upper cover liquid outlet and upper cover inlet is provided with lower cover inlet and lower cover liquid outlet respectively, lower cover inlet and lower cover liquid outlet all communicate with the diaphragm chamber, the upside of lower cover is provided with annular recess, lower cover inlet and lower cover liquid outlet are at the sunken setting of lower cover, the spacer matches the recess, the sunk structure setting of constant head tank and lower cover inlet and lower cover liquid outlet, and the spacer can block up the lower cover liquid outlet when the feed liquor, the spacer can block up the lower cover inlet when going out liquid.
Description
Technical Field
The utility model relates to a can improve diaphragm pump life's end cover belongs to diaphragm pump technical field.
Background
In the working process of the existing diaphragm pump, the inlet and outlet of the end cover are completely separated by the sealing gasket, liquid is easy to leak, the inlet and outlet of the inlet and outlet liquid in the inverted diaphragm pump are damaged, even leakage accidents occur, the diaphragm pump is damaged, and the service life of the diaphragm pump is greatly shortened.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides an end cover that can improve diaphragm pump life, through structural design, separates liquid access way completely, has effectively solved the liquid seepage problem, has prolonged the life of diaphragm pump.
In order to solve the technical problem, the utility model discloses a technical scheme be: an end cover capable of prolonging the service life of a diaphragm pump comprises an upper cover, a spacer and a lower cover, wherein the spacer is arranged between the upper cover and the lower cover in a matching way, a liquid inlet pipe and a liquid outlet pipe are arranged on the upper side of the upper cover, an upper cover liquid outlet and an upper cover liquid inlet are respectively arranged on the lower side of the upper cover corresponding to the liquid inlet pipe and the liquid outlet pipe, a diaphragm cavity is arranged on the lower side of the lower cover, a lower cover liquid inlet and a lower cover liquid outlet are respectively arranged on the upper side of the lower cover corresponding to the upper cover liquid outlet and the upper cover liquid inlet, the lower cover liquid inlet and the lower cover liquid outlet are both communicated with the diaphragm cavity, an annular groove is arranged on the upper side of the lower cover, a positioning groove is radially arranged on the lower cover between the lower cover liquid inlet and the lower cover liquid outlet, the lower cover liquid inlet and the lower cover liquid outlet are arranged on the lower cover in a recessed way, the spacer is matched with the groove, and the positioning groove and the recessed structure of the lower cover liquid inlet and the lower cover liquid outlet are arranged on the lower cover, and the spacer can block the liquid outlet of the lower cover when liquid is fed, and the spacer can block the liquid inlet of the lower cover when liquid is discharged.
Two communicating small holes are formed between the liquid inlet of the lower cover and the diaphragm cavity and are respectively positioned at two sides of the shielding of the spacer, so that the spacer is ensured not to block the communicating small holes between the liquid inlet of the lower cover and the diaphragm cavity when moving under the action of air pressure.
The liquid inlet of the upper cover is provided with a transverse long groove, and the spacer blocks the transverse long groove which cannot be completely blocked when the spacer moves under the action of air pressure.
The shock insulator comprises a positioning piece and two shielding elastic pieces, the positioning piece is arranged in the groove and the positioning groove in a matched mode, and the two positioning shielding elastic pieces are arranged in the lower cover liquid inlet and the lower cover liquid outlet in a matched mode.
The upper cover and the lower cover are matched and correspondingly arranged, an extrusion sealing channel is formed between the upper cover liquid outlet and the lower cover liquid inlet in a matched mode, the extrusion sealing channel is formed between the upper cover liquid inlet and the lower cover liquid outlet in a matched mode, and the positioning piece is arranged on the upper cover and the lower cover to further enhance sealing.
Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses the upside at the lower cover is hugged closely to the downside of well upper cover, makes the cooperation forms the extrusion seal passageway between upper cover liquid outlet and the lower cover inlet, the cooperation forms the extrusion seal passageway between upper cover inlet and the lower cover liquid outlet, the setting element sets up at upper cover and lower cover further enhancement sealedly, has effectively solved the liquid seepage problem, has prolonged the life of diaphragm pump.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of another view structure of the present invention.
Fig. 3 is a schematic structural view of the upper cover of the present invention.
Fig. 4 is a schematic structural view of the middle and lower covers of the present invention.
In the figure: 1 is an upper cover, 2 is a spacer, 21 is a positioning piece, 22 is a shielding elastic piece, 3 is a lower cover, 4 is a liquid inlet pipe, 5 is a liquid outlet pipe, 6 is an upper cover liquid outlet, 7 is an upper cover liquid inlet, 8 is a diaphragm cavity, 9 is a lower cover liquid inlet, 10 is a lower cover liquid outlet, 11 is a groove, 12 is a positioning groove, and 13 is a transverse long groove.
Detailed Description
As shown in figures 1-4, the utility model relates to an end cover capable of prolonging the service life of a diaphragm pump, which comprises an upper cover 1, a spacer 2 and a lower cover 3, wherein the spacer 2 is arranged between the upper cover 1 and the lower cover 3 in a matching way, the upper side of the upper cover 1 is provided with a liquid inlet pipe 4 and a liquid outlet pipe 5, the lower side of the upper cover 1 is provided with an upper cover liquid outlet 6 and an upper cover liquid inlet 7 respectively corresponding to the positions of the liquid inlet pipe 4 and the liquid outlet pipe 5, the lower side of the lower cover 3 is provided with a diaphragm cavity 8, the upper side of the lower cover 3 is provided with a lower cover liquid inlet 9 and a lower cover liquid outlet 10 respectively corresponding to the positions of the upper cover liquid outlet 6 and the upper cover liquid inlet 7, the lower cover liquid inlet 9 and the lower cover liquid outlet 10 are both communicated with the diaphragm cavity 8, the upper side of the lower cover 3 is provided with an annular groove 11, and a positioning groove 12 is radially arranged on the lower cover 3 between the lower cover liquid inlet 9 and the lower cover liquid outlet 10, lower cover inlet 9 and lower cover liquid outlet 10 set up on lower cover 3 sunkenly, the sunk structure setting of 2 matching grooves 11 of spacer, constant head tank 12 and lower cover inlet 9 and lower cover liquid outlet 10, just spacer 2 can block up lower cover liquid outlet 10 when the feed liquor, spacer 2 can block up lower cover inlet 9 when going out liquid.
Two communicating small holes are formed between the lower cover liquid inlet 9 and the diaphragm cavity 8 and are respectively positioned at two sides of the shielding of the spacer 2, so that the spacer 2 is ensured not to block the communicating small holes between the lower cover liquid inlet 9 and the diaphragm cavity 8 when moving under the action of air pressure.
The liquid inlet 7 of the upper cover is provided with a transverse long groove 13, and the transverse long groove 13 cannot be completely blocked when the spacer 2 is shielded to move under the action of air pressure.
The shock insulator 2 comprises a positioning piece 21 and two shielding elastic pieces 22, the positioning piece 21 is arranged in the groove 11 and the positioning groove 12 in a matching mode, and the two positioning shielding elastic pieces 22 are arranged in the lower cover liquid inlet 9 and the lower cover liquid outlet 10 in a matching mode.
The upper cover 1 and the lower cover 3 are matched and correspondingly arranged, an extrusion sealing channel is formed between the upper cover liquid outlet 6 and the lower cover liquid inlet 9 in a matching mode, the extrusion sealing channel is formed between the upper cover liquid inlet 7 and the lower cover liquid outlet 10 in a matching mode, and the positioning piece 21 is arranged on the upper cover 1 and the lower cover 3 to further enhance sealing.
The utility model discloses the upside at the lower cover is hugged closely to the downside of well upper cover, makes the cooperation forms the extrusion seal passageway between upper cover liquid outlet 6 and the lower cover inlet 9, the cooperation forms the extrusion seal passageway between upper cover inlet 7 and the lower cover liquid outlet 10, setting element 21 sets up and further strengthens sealedly at upper cover 1 and lower cover 3, has effectively solved the liquid seepage problem, has prolonged the life of diaphragm pump.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The end cover capable of prolonging the service life of the diaphragm pump is characterized by comprising an upper cover (1), a spacer (2) and a lower cover (3), wherein the spacer (2) is arranged between the upper cover (1) and the lower cover (3) in a matching manner, a liquid inlet pipe (4) and a liquid outlet pipe (5) are arranged on the upper side of the upper cover (1), an upper cover liquid outlet (6) and an upper cover liquid inlet (7) are respectively arranged at the positions of the lower side of the upper cover (1) corresponding to the liquid inlet pipe (4) and the liquid outlet pipe (5), a diaphragm cavity (8) is arranged on the lower side of the lower cover (3), a lower cover liquid inlet (9) and a lower cover liquid outlet (10) are respectively arranged at the positions of the upper side of the lower cover (3) corresponding to the upper cover liquid outlet (6) and the upper cover liquid inlet (7), the lower cover liquid inlet (9) and the lower cover liquid outlet (10) are both communicated with the diaphragm cavity (8), an annular groove (11) is arranged on the upper side of the lower cover (3), the utility model discloses a liquid storage tank, including lower cover inlet (9), lower cover liquid outlet (10), spacer (2), the sunken structure setting of lower cover inlet (9) and lower cover liquid outlet (10) on lower cover (3), spacer (2) matching recess (11), constant head tank (12) and lower cover inlet (9) and lower cover liquid outlet (10), just spacer (2) can block up lower cover liquid outlet (10) when the inlet fluid, spacer (2) can block up lower cover inlet (9) when going out liquid.
2. The end cover capable of prolonging the service life of the diaphragm pump according to claim 1, wherein two communicating small holes are arranged between the liquid inlet (9) of the lower cover and the diaphragm chamber (8), and the two communicating small holes are respectively positioned at two sides of the shield of the spacer (2), so as to ensure that the spacer (2) does not block the communicating small holes between the liquid inlet (9) of the lower cover and the diaphragm chamber (8) when moving under the action of air pressure.
3. The end cover capable of prolonging the service life of the diaphragm pump according to claim 1, wherein a transverse long groove (13) is arranged on the liquid inlet (7) of the upper cover, and the spacer (2) can not completely block the transverse long groove (13) when the spacer moves under the action of air pressure.
4. The end cover capable of prolonging the service life of the diaphragm pump according to claim 1, wherein the spacer (2) comprises a positioning piece (21) and two shielding elastic pieces (22), the positioning piece (21) is arranged in the groove (11) and the positioning groove (12) in a matching manner, and the two positioning shielding elastic pieces (22) are arranged in the lower cover liquid inlet (9) and the lower cover liquid outlet (10) in a matching manner.
5. The end cover capable of prolonging the service life of the diaphragm pump according to claim 4, wherein the upper cover (1) and the lower cover (3) are correspondingly arranged in a matching manner, the upper cover liquid outlet (6) and the lower cover liquid inlet (9) are matched to form an extrusion sealing channel, the upper cover liquid inlet (7) and the lower cover liquid outlet (10) are matched to form an extrusion sealing channel, and the positioning member (21) is arranged on the upper cover (1) and the lower cover (3) to further enhance the sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778827.9U CN214196639U (en) | 2020-11-26 | 2020-11-26 | Can improve diaphragm pump life's end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778827.9U CN214196639U (en) | 2020-11-26 | 2020-11-26 | Can improve diaphragm pump life's end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196639U true CN214196639U (en) | 2021-09-14 |
Family
ID=77648851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022778827.9U Active CN214196639U (en) | 2020-11-26 | 2020-11-26 | Can improve diaphragm pump life's end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196639U (en) |
-
2020
- 2020-11-26 CN CN202022778827.9U patent/CN214196639U/en active Active
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