CN220248323U - Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism - Google Patents
Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism Download PDFInfo
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- CN220248323U CN220248323U CN202221682075.9U CN202221682075U CN220248323U CN 220248323 U CN220248323 U CN 220248323U CN 202221682075 U CN202221682075 U CN 202221682075U CN 220248323 U CN220248323 U CN 220248323U
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- diaphragm pump
- pneumatic diaphragm
- sealing
- valve seat
- positioning
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 55
- 238000001914 filtration Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to the field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump with a double-sealing-ring valve seat mechanism, which aims at the problems that a ball seat where a ball body is arranged is not required to be machined along with continuous lifting of a casting process of the traditional diaphragm pump, the ball seat which is not machined cannot ensure that no oval condition exists, a gap exists between the oval ball seat and the inner wall of the diaphragm pump during installation, and the gap between the ball seat and the inner wall of the diaphragm pump cannot ensure the installation sealing performance of the ball seat.
Description
Technical Field
The utility model relates to the technical field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump with a double-sealing-ring valve seat mechanism.
Background
The pneumatic diaphragm pump is a novel conveying machine, compressed air is used as a power source, various corrosive liquids, liquid with particles, high-viscosity, volatile, inflammable and extremely toxic liquids can be completely pumped, a ball seat and an O-shaped ring are key accessories for normal operation of the diaphragm pump, the sealing performance of the ball seat and the O-shaped ring directly influences the normal operation of the diaphragm pump, and the ball seat and the O-shaped ring play a role in sealing a connecting upright post and a water inlet pipe.
Along with the continuous promotion of casting technology, the ball seat at spheroid place is need not to process, and the oval situation does not exist can't be guaranteed to the ball seat of not processing, and oval ball seat has the clearance with the inner wall of diaphragm pump when the installation, and the installation sealing performance of ball seat can't be guaranteed to the clearance of ball seat and diaphragm pump inner wall, consequently needs to have the pneumatic diaphragm pump of two sealing washer disk seat mechanisms for solve the problem that above-mentioned proposes.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, along with continuous lifting of a casting process, a ball seat where a ball body is located is not required to be machined, the condition that an oval ball seat cannot be guaranteed to be absent cannot be guaranteed, gaps exist between the oval ball seat and the inner wall of a diaphragm pump during installation, and the installation sealing performance of the ball seat cannot be guaranteed by the gaps between the ball seat and the inner wall of the diaphragm pump.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the pneumatic diaphragm pump with the double-sealing-ring valve seat mechanism comprises a pneumatic diaphragm pump body, wherein an intermediate body is arranged on the pneumatic diaphragm pump body, a left diaphragm row and a right diaphragm row which are integrally arranged with the intermediate body are arranged on the pneumatic diaphragm pump body, and a plurality of ball valve seats are arranged in the pneumatic diaphragm pump body;
the pneumatic diaphragm pump comprises a pneumatic diaphragm pump body, a ball valve seat, a double-sealing assembly and a plurality of balls, wherein the double-sealing assembly is used for sealing the ball valve seat;
the liquid inlet pipe is fixedly arranged on the pneumatic diaphragm pump body and used for introducing liquid and a liquid outlet pipe used for discharging liquid, and the liquid inlet pipe is fixedly arranged on the pneumatic diaphragm pump body through a fixing component and used for leading liquid into a filtering component for filtering liquid;
the positioning assembly is fixedly arranged in the liquid inlet pipe and used for positioning the liquid inlet assembly.
Preferably, the middle body is provided with a longitudinally arranged air inlet and an air outlet which are communicated with the inside of the middle body in a sealing way, the top of the ball valve seat is provided with a circular hole, and the ball can be separated from the circular hole on the ball valve seat corresponding to the ball valve seat to be completely plugged.
Preferably, the double-sealing assembly comprises a plurality of first O-shaped rings and a plurality of second O-shaped rings which are fixedly arranged in the pneumatic diaphragm pump body and used for sealing the installation position of the ball valve seat, and the plurality of first O-shaped rings and the plurality of second O-shaped rings are respectively and fixedly arranged on one sides, close to the ball valve seat corresponding to the first O-shaped rings and the second O-shaped rings, in a sealing manner.
Preferably, the filter assembly comprises a circular frame fixedly mounted in the liquid inlet pipe, a filter screen is fixedly mounted in the circular frame in a sealing manner, and the end part of the filter screen extends to one side of the circular frame.
Preferably, the positioning assembly comprises a positioning frame fixedly mounted in the liquid inlet pipe, two positioning grooves are formed in one side of the positioning frame, two internal thread positioning pipes which are detachably clamped with the positioning grooves are fixedly mounted on one side of the circular frame, and sealing rings used for sealing are arranged on one sides, close to each other, of the circular frame and the positioning frame.
Preferably, the fixing assembly comprises two fixing bolts connected to the circular frame in a threaded manner, two internal threaded holes connected with the fixing bolts in a threaded manner are formed in the circular frame, the end parts of the two fixing bolts penetrate through the corresponding internal threaded positioning pipes and are connected with the corresponding positioning frames in a threaded manner, and the fixing bolts are connected with the corresponding internal threaded positioning pipes in a threaded manner.
According to the pneumatic diaphragm pump with the double-sealing-ring valve seat mechanism, the upper plane end and the lower plane end of the spherical valve seat are respectively sealed by the first O-shaped ring and the second O-shaped ring, even if uneven conditions occur in a casting process, the sealing compensation can be performed through the compression allowance of double sealing, the double sealing does not need the sealing of an excircle, and the sealing is not influenced when the non-round conditions occur in the casting process;
the liquid inlet pipe of the pneumatic diaphragm pump body is provided with the filter screen for filtering liquid, so that the introduced liquid can be filtered, magazines in the liquid cannot enter the pneumatic diaphragm pump body, the filter screen is fixed through the fixing bolts, the filtering effect cannot be affected, and the later replacement and maintenance can be facilitated;
compared with the conventional pneumatic diaphragm pump body, the upper plane end and the lower plane end of the spherical valve seat are respectively sealed by the first O-shaped ring and the second O-shaped ring, even if the casting process is uneven, the sealing compensation can be carried out through the compression allowance of the double sealing, the double sealing does not need the sealing of an excircle, and the sealing is not influenced by the out-of-round condition of the casting process.
Drawings
FIG. 1 is a schematic diagram of a pneumatic diaphragm pump with a dual seal ring valve seat mechanism according to the present utility model;
FIG. 2 is a perspective view of a filter screen structure of a pneumatic diaphragm pump with a double-seal-ring valve seat mechanism according to the present utility model;
FIG. 3 is an enlarged schematic view of part A of the pneumatic diaphragm pump of FIG. 1 with a double seal ring valve seat mechanism according to the present utility model;
fig. 4 is an enlarged schematic view of a part B of the pneumatic diaphragm pump with a double-seal valve seat mechanism according to the present utility model in fig. 1.
In the figure: 1. a pneumatic diaphragm pump body; 2. an intermediate; 3. a left septum row; 4. a right septum row; 5. an air inlet; 6. an exhaust port; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. a ball valve seat; 10. a sphere; 11. a first O-shaped ring; 12. a second O-shaped ring; 13. a positioning groove; 14. a circular frame; 15. filtering and screening; 16. a fixing bolt; 17. an internal thread positioning tube; 18. an internal threaded hole; 19. and positioning a frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-4, a pneumatic diaphragm pump with a double-sealing-ring valve seat mechanism comprises a pneumatic diaphragm pump body 1, wherein an intermediate body 2 is arranged on the pneumatic diaphragm pump body 1, a left diaphragm row 3 and a right diaphragm row 4 which are integrally arranged with the intermediate body 2 are arranged on the pneumatic diaphragm pump body 1, and a plurality of ball valve seats 9 are arranged in the pneumatic diaphragm pump body 1;
the pneumatic diaphragm pump comprises a pneumatic diaphragm pump body 1, a ball valve seat 9, a double-sealing assembly and a plurality of balls 10, wherein the double-sealing assembly is used for sealing the ball valve seat 9;
the liquid inlet pipe 7 is fixedly arranged on the pneumatic diaphragm pump body 1 and used for introducing liquid and the liquid outlet pipe 8 is used for discharging liquid, and the liquid inlet pipe 7 is fixedly arranged on a liquid inlet filtering component through a fixing component;
and a positioning component fixedly arranged inside the liquid inlet pipe 7 and used for positioning the liquid inlet component.
Example two
Improvement on the basis of the first embodiment: the pneumatic diaphragm pump with the double-sealing-ring valve seat mechanism comprises a pneumatic diaphragm pump body 1, wherein an intermediate body 2 is arranged on the pneumatic diaphragm pump body 1, a left diaphragm row 3 and a right diaphragm row 4 which are integrally arranged with the intermediate body 2 are arranged on the pneumatic diaphragm pump body 1, the working processes of the intermediate body 2, the left diaphragm row 3 and the right diaphragm row 4 are the existing mature technology, a plurality of ball valve seats 9 are arranged in the pneumatic diaphragm pump body 1, the ball valve seats 9 are distributed in a matrix, an air inlet 5 and an air outlet 6 which are longitudinally arranged and are communicated with the inner part of the intermediate body 2 in a sealing way are arranged on the intermediate body 2, the air outlet 6 is positioned under the air inlet 5, a circular hole is formed in the top of the ball valve seat 9, and a ball 10 can be separated from the circular hole on the ball valve seat 9 which corresponds to the ball valve seat;
the pneumatic diaphragm pump comprises a pneumatic diaphragm pump body 1, a ball valve seat 9, a double-sealing assembly, a plurality of balls 10, a plurality of first O-shaped rings 11, a plurality of second O-shaped rings 12, a plurality of second O-shaped rings 11 and a plurality of ball valve seats 9, wherein the double-sealing assembly is used for sealing the ball valve seat 9;
the device comprises a liquid inlet pipe 7 fixedly arranged on a pneumatic diaphragm pump body 1 and used for introducing liquid and a liquid outlet pipe 8 used for discharging liquid, wherein the liquid inlet pipe 7 is fixedly provided with a liquid inlet filtering component used for filtering the liquid through a fixing component, the filtering component comprises a round frame 14 fixedly arranged in the liquid inlet pipe 7, a filtering screen 15 is fixedly arranged in the round frame 14 in a sealing manner, the filtering screen 15 is used for screening out magazines in the liquid, the end part of the filtering screen 15 extends to one side of the round frame 14, the fixing component comprises two fixing bolts 16 which are connected onto the round frame 14 in a threaded manner, the two fixing bolts 16 are longitudinally arranged, two internal threaded holes 18 which are in threaded connection with the fixing bolts 16 are formed in the round frame 14, the end parts of the two fixing bolts 16 respectively penetrate through internal threaded positioning pipes 17 corresponding to the two fixing bolts and are respectively in threaded connection with positioning frames 19 corresponding to the two fixing bolts 16, and the fixing bolts 16 are in threaded connection with the corresponding internal threaded positioning pipes 17;
the positioning assembly is fixedly arranged in the liquid inlet pipe 7 and used for positioning the liquid inlet assembly, the positioning assembly comprises a positioning frame 19 fixedly arranged in the liquid inlet pipe 7, two positioning grooves 13 are formed in one side of the positioning frame 19, two internal thread positioning pipes 17 which are detachably clamped with the positioning grooves 13 are fixedly arranged on one side of the circular frame 14, and sealing rings used for sealing are arranged on one sides, close to each other, of the circular frame 14 and the positioning frame 19.
However, as well known to those skilled in the art, the working principle and wiring method of the pneumatic diaphragm pump body 1 are common, which are all conventional means or common knowledge, and are not described herein in detail, and the intermediate 2, the left diaphragm row 3, the right diaphragm row 4 and the filter screen 15 are well known in the art, and can be arbitrarily selected by those skilled in the art according to their needs or convenience.
In the utility model, the upper plane end and the lower plane end of the ball valve seat 9 are respectively sealed by the first O-shaped ring 11 and the second O-shaped ring 12, the two first O-shaped rings 11 and the two second O-shaped rings 12 are respectively arranged on the same ball valve seat 9, the two first O-shaped rings 11 and the two second O-shaped rings 12 at the same ball valve seat 9 are arranged in a matrix, even if the casting process is uneven, the sealing is carried out by the compression allowance of the double seal, the double seal is not needed, the sealing is not influenced by the out-of-round condition of the casting process, when the liquid is introduced into the pneumatic diaphragm pump body 1 through the liquid inlet pipe 7, the liquid can firstly enter the inside of the pneumatic diaphragm pump body 1 after being filtered by the filter screen 15, magazines in the liquid can not enter the inside of the pneumatic diaphragm pump body 1, the pneumatic diaphragm pump body 1 is protected, and when the two fixing bolts 16 are used, the filter screen 15 can be detached for maintenance and replacement, and the instantaneity is strong.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Pneumatic diaphragm pump with two sealing washer disk seat mechanisms, including pneumatic diaphragm pump body (1), be equipped with midbody (2) on pneumatic diaphragm pump body (1), be equipped with on pneumatic diaphragm pump body (1) with left diaphragm row (3) and right diaphragm row (4) that midbody (2) an organic whole set up, the inside of pneumatic diaphragm pump body (1) is equipped with a plurality of spheroid disk seats (9), its characterized in that:
the pneumatic diaphragm pump comprises a pneumatic diaphragm pump body (1), a double-sealing assembly and a plurality of spheres (10), wherein the double-sealing assembly is used for sealing a sphere valve seat (9), and the spheres (10) are slidably arranged in the pneumatic diaphragm pump body (1) and can slide along the longitudinal position and are detachably and hermetically attached to the sphere valve seat (9);
the liquid inlet pipe (7) is fixedly arranged on the pneumatic diaphragm pump body (1) and used for introducing liquid and the liquid outlet pipe (8) is used for discharging liquid, and the liquid inlet pipe (7) is fixedly arranged through a fixing component and used for leading liquid into a filtering component for filtering the liquid;
the device also comprises a positioning component which is fixedly arranged in the liquid inlet pipe (7) and is used for positioning the liquid inlet component.
2. The pneumatic diaphragm pump with the double-sealing-ring valve seat mechanism according to claim 1, wherein the middle body (2) is provided with a longitudinally arranged air inlet (5) and an air outlet (6) which are communicated with the inside of the middle body (2) in a sealing way, the top of the ball valve seat (9) is provided with a circular hole, and the ball (10) can be separated from the circular hole on the ball valve seat (9) corresponding to the ball valve seat.
3. A pneumatic diaphragm pump with a double seal ring valve seat mechanism according to claim 1, wherein the double seal assembly comprises a plurality of first O-rings (11) and a plurality of second O-rings (12) fixedly installed inside the pneumatic diaphragm pump body (1) for sealing the installation position of the ball valve seat (9), and the plurality of first O-rings (11) and the plurality of second O-rings (12) are fixedly installed in a sealing manner on one side, close to each other, of the ball valve seat (9) corresponding to the first O-rings and the second O-rings.
4. A pneumatic diaphragm pump with a double seal valve seat mechanism according to any of claims 1-3, characterized in that the filter assembly comprises a circular frame (14) fixedly mounted inside the liquid inlet tube (7), the inside of the circular frame (14) being fixedly mounted with a filter screen (15), the end of the filter screen (15) extending to one side of the circular frame (14).
5. The pneumatic diaphragm pump with the double-sealing-ring valve seat mechanism according to claim 4, wherein the positioning assembly comprises a positioning frame (19) fixedly installed inside the liquid inlet pipe (7), two positioning grooves (13) are formed in one side of the positioning frame (19), two inner threaded positioning pipes (17) which are detachably clamped with the positioning grooves (13) are fixedly installed on one side of the circular frame (14), and sealing rings for sealing are arranged on one sides, close to each other, of the circular frame (14) and the positioning frame (19).
6. A pneumatic diaphragm pump with a double seal valve seat mechanism according to claim 5, wherein the fixing assembly comprises two fixing bolts (16) screwed on the circular frame (14), two internal threaded holes (18) screwed with the fixing bolts (16) are formed on the circular frame (14), the ends of the two fixing bolts (16) respectively penetrate through the corresponding internal threaded positioning pipes (17) and respectively screwed with the corresponding positioning frames (19), and the fixing bolts (16) are screwed with the corresponding internal threaded positioning pipes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682075.9U CN220248323U (en) | 2022-06-30 | 2022-06-30 | Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221682075.9U CN220248323U (en) | 2022-06-30 | 2022-06-30 | Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248323U true CN220248323U (en) | 2023-12-26 |
Family
ID=89227720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221682075.9U Active CN220248323U (en) | 2022-06-30 | 2022-06-30 | Pneumatic diaphragm pump with double-sealing-ring valve seat mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248323U (en) |
-
2022
- 2022-06-30 CN CN202221682075.9U patent/CN220248323U/en active Active
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