CN212079588U - Diaphragm pump for improving ink supply stability - Google Patents
Diaphragm pump for improving ink supply stability Download PDFInfo
- Publication number
- CN212079588U CN212079588U CN202020682000.5U CN202020682000U CN212079588U CN 212079588 U CN212079588 U CN 212079588U CN 202020682000 U CN202020682000 U CN 202020682000U CN 212079588 U CN212079588 U CN 212079588U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- gasket
- ink supply
- connecting rod
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 claims description 60
- 238000007789 sealing Methods 0.000 claims description 51
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 208000005189 Embolism Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model belongs to the technical field of the technique of diaphragm pump and specifically relates to a diaphragm pump that improves printing ink supply stationarity, it includes diaphragm, first gasket, connecting rod, the pump body and has the sealed chamber of feed liquor hole and ball sealer, still including being used for connecting first gasket and diaphragm connecting the connecting piece on the connecting rod, is equipped with the second gasket on the connecting piece, and the second gasket offsets with the side of diaphragm dorsad first gasket. The utility model discloses have the effect that improves the stationarity that supplies to send printing ink.
Description
Technical Field
The utility model belongs to the technical field of the technique of diaphragm pump and specifically relates to a diaphragm pump that improves printing ink supply stationarity is related to.
Background
The pneumatic diaphragm pump belongs to an embolism pump, and a film is arranged in the diaphragm pump to divide the space in the pump body into an air chamber and a pump chamber. When the diaphragm pump operates, a negative pressure environment or a positive pressure environment is alternately formed in the pump chamber, thereby sucking liquid to be supplied into the pump chamber or discharging the liquid out of the pump chamber. When the liquid to be fed is fed, the liquid is not subjected to shearing force caused by structures such as blades, so that the fed ink can keep good physical performance.
The structure of the existing pneumatic diaphragm pump is shown in fig. 1, and the existing pneumatic diaphragm pump comprises a middle body 1 and a pump body 2 bolted on two sides of the middle body 1, wherein a connecting rod 11 penetrates through the middle body 1, threaded holes 114 are formed in two ends of the connecting rod 11, and a locking bolt 115 penetrates through the threaded holes 114. The locking bolt 115 is sleeved with a diaphragm 122 and a first washer 121, and the first washer 121 is located on the side of the diaphragm 122 facing away from the connecting rod 11. The head of the locking bolt 115 is pressed against the end face of the connecting rod 11 through the first gasket 121 and the diaphragms 122, the area between the intermediate body 1 and the two diaphragms 122 is the air chamber 13, and the area between the inner cavity of the pump body 2 and the two diaphragms 122 is the pump chamber 23. When the connecting rod 11 moves transversely, the size change trend of the air chamber 13 or the pump chamber 23 on the same side is in negative correlation.
The bottom and the top of every pump body 2 all are equipped with sealed chamber 3, have placed ball sealer 41 in the sealed chamber 3, and sealed chamber 3 sets up along vertical direction, and the cross-section of sealed chamber 3 is circular. The bottom end and the top end of the sealing cavity 3 are respectively provided with a liquid inlet hole 33 and a liquid outlet hole 34, the diameters of the liquid inlet hole 33 and the liquid outlet hole 34 are both smaller than the diameter of the sealing ball 41, and the sealing ball 41 is abutted against the top edge of the liquid inlet hole 33. When the diaphragm 122 contracts, a negative pressure environment is formed in the pump chamber 23, liquid flows into the pump chamber 23 from a gap between the sealing ball 41 at the bottom end of the pump body 2 and the corresponding liquid inlet hole 33, when the diaphragm 122 expands, a positive pressure environment is formed in the pump chamber 23, and liquid flows out of the pump chamber 23 from a gap between the sealing ball 41 at the top end of the pump body 2 and the corresponding liquid inlet hole 33.
The above prior art solutions have the following drawbacks: when the pneumatic diaphragm pump operates, the connecting rod drives the diaphragm to do reciprocating motion, the diaphragm is expanded or contracted to a larger extent, so that the change of the air pressure in the pump chamber is larger, the change of the liquid supply speed is larger, and the stable liquid supply is not facilitated.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an improve diaphragm pump of printing ink supply stationarity, it has the effect that improves the stationarity of supply and send printing ink.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an improve diaphragm pump of printing ink supply stationarity, includes diaphragm, first gasket, connecting rod, the pump body and has the sealed chamber of feed liquor hole and ball sealer, still includes and is used for connecting first gasket and diaphragm on the connecting rod connecting piece, be equipped with the second gasket on the connecting piece, the second gasket offsets with the diaphragm side of first gasket dorsad.
Through adopting above-mentioned technical scheme, set up the second gasket in the diaphragm one side that is dorsad first gasket, then in the working process of diaphragm pump, hinder the diaphragm shrink by first gasket, hinder the diaphragm by the second gasket and swell. The amplitude of contraction or bulging of the diaphragm can be reduced, so that the amplitude of change of air pressure in the pump chamber is reduced, and the amplitude of speed change during ink supply is reduced, so that the stability of the diaphragm pump during ink supply is improved.
The present invention may be further configured in a preferred embodiment as: the connecting piece establishes the sliding sleeve on the connecting rod for the slip cap, first gasket, diaphragm and second gasket are established in proper order on the sliding sleeve, threaded connection has first nut and second nut on the lateral wall at sliding sleeve's both ends respectively, first nut offsets to one side of diaphragm with first gasket dorsad, the second nut offsets to one side of diaphragm with the second gasket dorsad, the equal threaded connection in both ends of connecting rod has an internal thread section of thick bamboo, an internal thread section of thick bamboo offsets with sliding sleeve towards sliding sleeve's terminal surface.
By adopting the technical scheme, the connecting piece is arranged to be the sliding sleeve sleeved on the connecting rod in a sliding mode, the internal thread cylinders are sleeved at the two ends of the connecting rod, the distance between the two sliding sleeves can be adjusted by screwing in or screwing out the internal thread cylinders, the size of the initial space of the two pump chambers is changed, the air pressure change range of the two pump chambers is changed when the diaphragm swells or contracts, and the adjustment of the change range of the ink supply speed is realized.
The present invention may be further configured in a preferred embodiment as: the one end that an internal thread section of thick bamboo dorsad sliding sleeve is sealed, an open setting of one end that an internal thread section of thick bamboo orientation sliding sleeve.
Through adopting above-mentioned technical scheme, seal the setting with the one end of an internal thread section of thick bamboo dorsad sliding sleeve, can hinder the tip of the printing ink contact connecting rod that is supplied, and then reduce the probability of an internal thread section of thick bamboo and the junction corrosion of connecting rod.
The present invention may be further configured in a preferred embodiment as: the end face, facing the sliding sleeve, of the internal thread cylinder is connected with a first rubber pad, and the internal thread cylinder abuts against the end face of the sliding sleeve through the first rubber pad.
Through adopting above-mentioned technical scheme, at internal thread section of thick bamboo towards sliding sleeve's terminal surface connection rubber pad one to make internal thread section of thick bamboo offset through rubber pad one and sliding sleeve's terminal surface, can reduce printing ink from between internal thread section of thick bamboo and the sliding sleeve infiltration internal thread section of thick bamboo and the connecting rod, and then reduce the probability of the junction corrosion of internal thread section of thick bamboo and connecting rod.
The present invention may be further configured in a preferred embodiment as: the connecting piece is a locking bolt connected to two ends of the connecting rod, and the first gasket, the diaphragm and the second gasket are sequentially sleeved on the locking bolt.
By adopting the technical scheme, the locking bolt is used as the connecting piece, the first gasket, the diaphragm and the second gasket are sequentially sleeved on the locking bolt, and when the locking bolt is connected with the connecting rod, the first gasket, the diaphragm and the second gasket can be connected on the connecting rod.
The present invention may be further configured in a preferred embodiment as: one side of the second gasket, which faces the diaphragm, is fixedly connected with a plurality of reinforcing ribs, and the length directions of the reinforcing ribs point to the axis of the connecting rod.
Through adopting above-mentioned technical scheme, set up the strengthening rib on the second gasket, can improve the ability that the second gasket hinders the diaphragm and warp, and then reduce the range that the diaphragm bulgy or contracts.
The present invention may be further configured in a preferred embodiment as: and a sealing spring for driving the sealing ball to tightly abut against the top end of the liquid inlet hole is arranged in the sealing cavity.
Through adopting above-mentioned technical scheme, set up in the sealed intracavity and be used for driving about the ball sealer and feed liquor hole top support tight sealing spring. When the diaphragm contracts, the sealing ball positioned at the top end of the pump body is tightly propped against the top surface edge of the corresponding liquid inlet hole under the action of the sealing spring, so that the fed ink is prevented from flowing back into the pump chamber; when the diaphragm bulges, a positive pressure environment is formed in the pump chamber, and the sealing ball positioned at the bottom end of the pump body is tightly abutted against the top surface edge of the corresponding liquid inlet hole under the action of the sealing spring, so that the ink in the pump chamber is prevented from flowing back to the ink to be supplied.
The present invention may be further configured in a preferred embodiment as: and the top end edge of each liquid inlet hole is provided with a sealing inclined plane, a second rubber pad is arranged on each sealing inclined plane, and the sealing ball is abutted to the side surface of the second rubber pad.
Through adopting above-mentioned technical scheme, set up sealed inclined plane at the top in feed liquor hole to set up the rubber pad, can improve the leakproofness when sealed ball offsets with the feed liquor hole.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the second gasket is arranged, so that the effect of improving the stability of ink supply can be achieved;
2. by arranging the sliding sleeve and the internal thread cylinder, the effect of adjusting the variation amplitude of the ink supply speed can be achieved;
3. through setting up an one end confined internal thread section of thick bamboo, can play the effect that reduces internal thread section of thick bamboo and connecting rod junction corrosion probability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a prior art pneumatic diaphragm pump;
FIG. 2 is a schematic view of the entire structure of embodiment 1;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view for embodying the structure of the connecting member in example 1;
fig. 5 is a schematic view for embodying the structure of the connecting member in embodiment 2.
In the figure, 1, intermediate; 11. a connecting rod; 111. the first external thread; 112. an internal threaded barrel; 113. a first rubber pad; 114. a threaded hole; 115. a locking bolt; 116. accommodating grooves; 12. a sliding sleeve; 121. a first gasket; 122. a diaphragm; 123. a second gasket; 124. reinforcing ribs; 125. a second external thread; 126. a first nut; 127. a second nut; 13. an air chamber 2 and a pump body; 21. a flow guide pipe I; 211. a liquid inlet pipe; 212. a first flange plate; 22. a second flow guide pipe; 221. a liquid outlet pipe; 222. a second flange plate; 23. a pump chamber; 3. sealing the cavity; 31. a first sealing cavity; 32. a second sealing cavity; 33. a liquid inlet hole; 331. a liquid inlet hole I; 332. a liquid inlet hole II; 34. a liquid outlet hole; 341. a first liquid outlet hole; 342. a second liquid outlet hole; 4. a seal spring; 41. a sealing ball; 42. sealing the inclined plane; 43. a second rubber pad; 5. a connecting member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 2, for the utility model discloses an improve diaphragm pump of printing ink supply stationarity, including midbody 1 and two pump bodies 2, slide in the midbody 1 and wear to be equipped with connecting rod 11, the axis of connecting rod 11 and the coincidence of the axis of two pump bodies 2. Both ends of the connecting rod 11 are connected with a connecting piece 5, and the connecting piece 5 is provided with a first gasket 121, a diaphragm 122 and a second gasket 123. The two pump bodies 2 are respectively positioned on two sides of the intermediate body 1 and are fixedly bolted with the intermediate body 1.
The space between the intermediate body 1 and the diaphragm 122 is a gas chamber 13; the space between the pump body 2 and the diaphragm 122 is a pump chamber 23, the side surfaces of the intermediate body 1 facing the two pump bodies 2 are both provided with annular accommodating grooves 116, when the intermediate body 1 is bolted to the pump body 2, the side surface of the pump body 2 facing the diaphragm 122 abuts against the side surface edge of the diaphragm 122, and the side surface edge of the diaphragm 122 facing away from the pump body 2 abuts against the side surface of the accommodating grooves 116.
Referring to fig. 2, the connecting member 5 is two sliding sleeves 12, the two sliding sleeves 12 are respectively slidably sleeved at two ends of the connecting rod 11, and the first gasket 121, the diaphragm 122 and the second gasket 123 are sequentially sleeved on the outer side surface of the sliding sleeve 12. The first gasket 121 is located on the side where the two diaphragms 122 face each other; the second spacer 123 is located on the side of the two diaphragms 122 facing away from each other, eight ribs 124 are integrally formed on the side of the second spacer 123 facing the diaphragms 122, the eight ribs 124 are uniformly arranged along the circumferential direction of the second spacer 123, and the length direction of each rib 124 points to the axis of the sliding sleeve 12. The second gasket 123 with the reinforcing rib 124 is provided, so that the deformation of the diaphragm 122 can be prevented by the second gasket 123, the swelling or shrinking amplitude of the diaphragm 122 can be further reduced, and the stability of the diaphragm pump for supplying ink can be improved.
Referring to fig. 4, the outer side surfaces of the two ends of the sliding sleeve 12 are respectively provided with two external threads 125, the two ends of the sliding sleeve 12 are respectively sleeved with a first nut 126 and a second nut 127 through the two external threads 125, the first nut 126 is located on one side of the first gasket 121 facing away from the diaphragm 122, the second nut 127 is located on one side of the second gasket 123 facing away from the diaphragm 122, and the first nut 126 and the second nut 127 are respectively abutted against the diaphragm 122 through the first gasket 121 and the second gasket 123.
Referring to fig. 4, the outer side surfaces of the two ends of the connecting rod 11 are respectively provided with a first external thread 111, the two ends of the connecting rod 11 are respectively sleeved with a first internal thread cylinder 112 through the first external thread 111, the first internal thread cylinder 112 faces the opening of one end of the sliding sleeve 12 and abuts against the end surface of the sliding sleeve 12, and the second internal thread cylinder 112 faces away from the end surface of the sliding sleeve 12 and is arranged in a closed manner. The end of the internal thread cylinder 112, which faces away from the sliding sleeve 12, is closed, so that the fed ink can be prevented from contacting the end part of the connecting rod 11, and the probability of corrosion of the connecting part of the internal thread cylinder 112 and the connecting rod 11 is reduced.
Referring to fig. 2, a first guide pipe 21 and a second guide pipe 22 are integrally formed on one side of each pump body 2, which faces away from the intermediate body 1, the first guide pipe 21 and the second guide pipe 22 are both arranged in the vertical direction, and the first guide pipe 21 and the second guide pipe 22 are both communicated with one side of the pump body 2, which faces towards the intermediate body 1. The first draft tube 21 is positioned at the bottom end of the pump body 2, and a liquid inlet pipe 211 is arranged at the bottom end of the first draft tube 21; the second diversion pipe 22 is positioned at the top end of the pump body 2, the liquid outlet pipe 221 is arranged at the top end of the second diversion pipe 22, and the inner diameters of the liquid inlet pipe 211, the first diversion pipe 21, the second diversion pipe 22 and the liquid outlet pipe 221 are the same. A flange plate I212 is integrally formed on the outer side wall of one end, facing each other, of the guide pipe I21 and the liquid inlet pipe 211, and the guide pipe I21 and the liquid inlet pipe 211 are connected through the flange plate I212 in a bolted mode; the outer side wall of one end, facing each other, of the second flow guide pipe 22 and the liquid outlet pipe 221 is integrally formed with a second flange 222, and the second flow guide pipe 22 and the liquid outlet pipe 221 are connected through the second flange 222 in a bolted mode.
Referring to fig. 2, each pump body 2 is provided with two cylindrical seal cavities 3, each seal cavity 3 is arranged along the vertical direction, each seal cavity 3 comprises a first seal cavity 31 arranged at the bottom end of the first flow guide pipe 21 and a second seal cavity 32 arranged at the bottom end of the liquid outlet pipe 221, and the bottom end and the top end of each seal cavity 3 are respectively provided with a liquid inlet hole 33 and a liquid outlet hole 34. The liquid inlet hole 33 comprises a first liquid inlet hole 331 and a second liquid inlet hole 332 which are arranged along the vertical direction, the inner hole of the liquid inlet pipe 211 is used as the first liquid inlet hole 331, and the inner hole of the liquid guide pipe 22 is used as the second liquid inlet hole 332; the liquid outlet holes 34 comprise a first liquid outlet hole 341 and a second liquid outlet hole 342 which are arranged along the vertical direction, the inner hole of the first liquid guide pipe 21 is used as the first liquid outlet hole 341, and the inner hole of the liquid outlet pipe 221 is used as the second liquid outlet hole 342.
Referring to fig. 2 and 3, a sealing ball 41 is disposed in each sealing chamber 3, and the diameter of the sealing ball 41 is smaller than that of the sealing chamber 3 and larger than that of the liquid inlet hole 33 and the liquid outlet hole 34. The top surface of the inner wall of the sealing cavity 3 is welded with a sealing spring 4, the bottom end of the sealing spring 4 is abutted against the side surface of the sealing ball 41, and the sealing spring 4 is a compression spring. The top edge of the liquid inlet hole 33 is chamfered to form a sealing inclined surface 42, and a second rubber pad 43 is glued on the sealing inclined surface 42. The sealing ball 41 is pressed against the side surface of the sealing inclined surface 42 through the second rubber pad 43 under the pressure of the sealing spring 4.
When the diaphragm 122 contracts, a negative pressure environment is formed in the pump chamber 23, ink flows into the pump chamber 23 from a gap between the sealing ball 41 at the bottom end of the pump body 2 and the corresponding liquid inlet hole 33, and the sealing ball 41 at the top end of the pump body 2 is tightly abutted against the corresponding sealing inclined surface 42 through the second rubber pad 43 under the action of the sealing spring 4, so that the fed ink is prevented from flowing back into the pump chamber 23; when the diaphragm 122 bulges, a positive pressure environment is formed in the pump chamber 23, ink flows out of the pump chamber 23 from a gap between the sealing ball 41 at the top end of the pump body 2 and the corresponding liquid inlet hole 33, and the sealing ball 41 at the bottom end of the pump body 2 is abutted against the corresponding sealing inclined surface 42 through the second rubber pad 43 under the action of the sealing spring 4, so that the ink in the pump chamber 23 is prevented from flowing back to the ink to be supplied.
The implementation principle of the embodiment is as follows: when using the diaphragm pump, the distance between the two sliding sleeves 12 can be adjusted by screwing in or unscrewing the internal threaded cylinder 112, i.e. the initial space size of the two pump chambers 23 can be changed. When the pneumatic diaphragm pump operates, the connecting rod 11 drives the diaphragm 122 to reciprocate, and when the diaphragm 122 contracts, a negative pressure environment is formed in the adjacent pump chamber 23, and ink is sucked into the pump chamber 23; the pneumatic diaphragm pump has an effect of improving ink supply smoothness by forming a positive pressure environment in the adjacent pump chamber 23 when the diaphragm 122 swells and pushing ink out of the pump chamber 23.
Example 2: referring to fig. 5, the difference from embodiment 1 is that the connecting member 5 includes two locking bolts 115, the end surfaces of the two ends of the connecting rod 11 are respectively provided with a threaded hole 114, each locking bolt 115 is inserted into one threaded hole 114, and the first gasket 121, the diaphragm 122 and the second gasket 123 located at the same end of the connecting rod 11 are respectively sleeved on one locking bolt 115.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A diaphragm pump for improving ink supply stability comprises a diaphragm (122), a first gasket (121), a connecting rod (11), a pump body (2) and a sealing cavity (3) with a liquid inlet hole (33) and a sealing ball (41), and is characterized in that: the connecting piece (5) is used for connecting the first gasket (121) and the diaphragm (122) to the connecting rod (11), a second gasket (123) is arranged on the connecting piece (5), and the second gasket (123) is abutted against the side face, back to the first gasket (121), of the diaphragm (122).
2. A diaphragm pump for improving ink supply smoothness according to claim 1, wherein: connecting piece (5) are slip sleeve (12) that the slip cover established on connecting rod (11) for sliding, first gasket (121), diaphragm (122) and second gasket (123) are established in proper order and are established on slip sleeve (12), threaded connection has first nut (126) and second nut (127) respectively on the lateral wall at the both ends of slip sleeve (12), first nut (126) offsets with one side that first gasket (121) are dorsad diaphragm (122), second nut (127) offsets with one side that second gasket (123) are dorsad diaphragm (122), the equal threaded connection in both ends of connecting rod (11) has internal thread section of thick bamboo (112), the terminal surface that internal thread section of thick bamboo (112) are towards slip sleeve (12) offsets with slip sleeve (12).
3. A diaphragm pump for improving ink supply smoothness according to claim 2, wherein: one end, back to the sliding sleeve (12), of the internal thread cylinder (112) is closed, and one end, facing the sliding sleeve (12), of the internal thread cylinder (112) is arranged in an opening mode.
4. A diaphragm pump for improving ink supply smoothness according to claim 2, wherein: the end face, facing the sliding sleeve (12), of the internal thread cylinder (112) is connected with a first rubber pad (113), and the internal thread cylinder (112) is abutted to the end face of the sliding sleeve (12) through the first rubber pad (113).
5. A diaphragm pump for improving ink supply smoothness according to claim 1, wherein: the connecting piece (5) is a locking bolt (115) connected to two ends of the connecting rod (11), and the first gasket (121), the diaphragm (122) and the second gasket (123) are sequentially sleeved on the locking bolt (115).
6. A diaphragm pump for improving ink supply smoothness according to claim 1, wherein: one side of the second gasket (123) facing the diaphragm (122) is fixedly connected with a plurality of reinforcing ribs (124), and the length direction of the plurality of reinforcing ribs (124) points to the axis of the connecting rod (11).
7. A diaphragm pump for improving ink supply smoothness according to claim 1, wherein: and a sealing spring (4) used for driving the sealing ball (41) to tightly abut against the top end of the liquid inlet hole (33) is arranged in the sealing cavity (3).
8. A diaphragm pump for improving ink supply smoothness according to claim 1, wherein: the top edge of each liquid inlet hole (33) is provided with a sealing inclined surface (42), a second rubber pad (43) is arranged on each sealing inclined surface (42), and the sealing ball (41) is abutted to the side surface of the second rubber pad (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682000.5U CN212079588U (en) | 2020-04-28 | 2020-04-28 | Diaphragm pump for improving ink supply stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682000.5U CN212079588U (en) | 2020-04-28 | 2020-04-28 | Diaphragm pump for improving ink supply stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079588U true CN212079588U (en) | 2020-12-04 |
Family
ID=73588097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020682000.5U Active CN212079588U (en) | 2020-04-28 | 2020-04-28 | Diaphragm pump for improving ink supply stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079588U (en) |
-
2020
- 2020-04-28 CN CN202020682000.5U patent/CN212079588U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210715946U (en) | Non-leakage sealing device based on pulsation performance | |
| CN212079588U (en) | Diaphragm pump for improving ink supply stability | |
| CN115013380A (en) | Double-stage adjustable large-stroke hydraulic cylinder | |
| CN116984198A (en) | Large-flow glue supply system for photovoltaic glue | |
| CN108799038B (en) | Ultrahigh pressure plunger pump fluid end | |
| CN108302032B (en) | Elastic piston for medical instrument, high-pressure pumping system and method | |
| CN215633679U (en) | Diaphragm compressor servo valve | |
| CN110440003B (en) | Leakage-free sealing device based on pulsation performance | |
| CN210106289U (en) | Multi-cylinder parallel integrated prestress tensioning jack | |
| CN211693042U (en) | Bucket rod oil cylinder | |
| CN108533208B (en) | Elastic gas sealing gasket for air seal of common screw thread oil pipe and sealing method | |
| CN210423238U (en) | Underwater air cylinder | |
| CN215444583U (en) | Hydraulic cylinder convenient to disassemble | |
| US6427577B1 (en) | Load bearing apparatus for use with fluid power systems | |
| CN219529451U (en) | High-pressure-resistant hydraulic cylinder body sealing structure | |
| CN217898752U (en) | Piston rod combined sealing ring | |
| CN220319987U (en) | Leak-proof hydraulic cylinder | |
| CN221195583U (en) | Hydraulic cylinder with combined sealing structure | |
| CN219360221U (en) | A fixed knot constructs that is used for pull rod and piston of two trigger | |
| CN212745433U (en) | Wear-resisting stainless steel flange with good sealing effect | |
| CN219081973U (en) | Double-piston rod type oil cylinder | |
| CN212717024U (en) | High-pressure water jet reciprocating type three-cylinder plunger hydraulic end | |
| CN215949991U (en) | Hydraulic cylinder with novel sealing structure | |
| CN221003355U (en) | Leakage-proof device for hydraulic cylinder | |
| CN214036339U (en) | Double-cylinder oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220927 Address after: 28-18 Yanqiao North Road, Xicheng Road, Yanqiao Street, Huishan District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Yueling Meichuang Intelligent Technology Co.,Ltd. Address before: 214000 1-1102-1, financial 8th Street, economic development zone, Wuxi City, Jiangsu Province Patentee before: Yuemeihong intelligent CNC Technology (Jiangsu) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: 214000 North Section of Xicheng Road Weir Bridge, Weishan Street, Wuxi City, Jiangsu Province, 28-18 Patentee after: Wuxi Yuemei Intelligent Equipment Technology Co.,Ltd. Address before: 28-18 Yanqiao North Road, Xicheng Road, Yanqiao Street, Huishan District, Wuxi City, Jiangsu Province, 214000 Patentee before: Wuxi Yueling Meichuang Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |