CN220870086U - Large-flow switch valve for photovoltaic processing - Google Patents
Large-flow switch valve for photovoltaic processing Download PDFInfo
- Publication number
- CN220870086U CN220870086U CN202322397301.XU CN202322397301U CN220870086U CN 220870086 U CN220870086 U CN 220870086U CN 202322397301 U CN202322397301 U CN 202322397301U CN 220870086 U CN220870086 U CN 220870086U
- Authority
- CN
- China
- Prior art keywords
- glue
- piston rod
- glue outlet
- cylinder body
- glue inlet
- 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
- 239000003292 glue Substances 0.000 claims abstract description 205
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 abstract 2
- 239000007788 liquid Substances 0.000 description 11
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical group OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a large-flow switch valve for photovoltaic processing, which comprises the following components: the upper portion has the cylinder body of cavity, with cylinder body lower extreme sealing connection advance the glue piece, connect in advance the glue piece of glue piece lower extreme one can be in the upper end of the piston rod of vertical orientation removal with set up in the cavity be connected, be connected through a first universal stopper circle between piston rod and the lower part of cylinder body, be connected through a second universal stopper circle between piston rod and the upper portion of advancing the glue piece, be provided with a depressed part along full circumference extension on the piston rod, a window hole that link up along the horizontal direction has been seted up to the top that lies in first universal stopper circle on the cylinder body, the depressed part on the piston rod is located this window hole region. The utility model can make the stroke state of the piston rod be checked outside, is convenient for intuitively displaying the opening and closing state of the valve body, also realizes the large-flow output, instant stop and suck-back of the high-pressure high-viscosity glue solution, prevents the glue solution from overflowing after the stop, and ensures the accuracy of glue supply outwards.
Description
Technical Field
The utility model relates to the technical field of photovoltaic glue, in particular to a high-flow switching valve for photovoltaic processing, which is used for gluing in a photovoltaic processing production line.
Background
In solar power generation, in addition to solar energy, a photovoltaic power generation component is most important, and the photovoltaic component needs to be glued on a frame first, and then the frame and the photovoltaic component are installed. When large-size parts such as photovoltaic modules are subjected to gluing operation, a large amount of glue is needed, the viscosity of the glue is high, and the glue supply pressure is high.
At present, a switching valve used when a frame is glued cannot directly observe the stroke state of the switching valve from the outside, so that the observation and the use of the using state of the switching valve are inconvenient, and when the high-flow output of high-pressure high-viscosity glue solution is faced, the phenomena that the output is stopped in time and the glue solution which is not output in a glue outlet pipe overflows easily occur after the output is stopped, and the glue supply precision is influenced.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a large-flow switch valve for photovoltaic processing, which enables the stroke state of a piston rod to be checked outside, is convenient for intuitively displaying the opening and closing state of a valve body, and also realizes large-flow output, instant stop and suction of high-pressure high-viscosity glue solution, prevents the glue solution from overflowing after the stop and ensures the accuracy of glue supply outwards.
In order to solve the technical problems, the utility model adopts the following technical scheme: a high flow switching valve for photovoltaic processing comprising: the upper part of the cylinder body is provided with a cavity, a glue inlet block which is connected with the lower end of the cylinder body in a sealing way, a glue outlet block which is connected with the lower end of the glue inlet block, and a glue outlet pipe which is arranged at the lower end of the glue outlet block, wherein a glue inlet is formed in the side surface of the glue inlet block, a glue inlet channel which is communicated with the glue inlet is formed in the glue inlet block, the upper end of the glue outlet channel which is formed in the glue outlet block is communicated with the lower end of the glue inlet channel, and the lower end of the glue outlet channel is communicated with the upper end of the glue outlet pipe;
The upper end of a piston rod capable of moving in the vertical direction is connected with a piston disc arranged in the cavity, the lower end of the piston rod extends into a glue inlet flow channel of the glue inlet block in the vertical direction and is connected with a back suction rod, the piston rod is connected with the lower part of the cylinder body of the cylinder through a first wide plug ring, the piston rod is connected with the upper part of the glue inlet block through a second wide plug ring, a concave part extending in the full circumferential direction is arranged on the piston rod, a window hole penetrating in the horizontal direction is formed in the upper part of the cylinder body of the cylinder and above the first wide plug ring, and the concave part on the piston rod is positioned in the window hole area;
the lower end of the back suction rod which can move up and down along with the piston rod extends into the glue outlet flow passage of the glue outlet block and is provided with an outer flange which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage is provided with an inner flange which extends inwards along the radial direction, the outer surface of the outer flange is in sliding contact with the inner surface of the inner flange, the lower end of the glue inlet flow passage is provided with a sealing ring, the inner diameter of the sealing ring is smaller than the outer diameter of the outer flange, and the outer diameter of the piston disc is far larger than the inner diameter of the glue outlet flow passage.
The further improved scheme in the technical scheme is as follows:
1. in the above-mentioned scheme, when being positioned at the lowest end of the stroke, the upper part of the concave part on the piston rod is positioned in the window hole area, and when being positioned at the highest end of the stroke, the lower part of the concave part on the piston rod is positioned in the window hole area.
2. In the scheme, a third universal plug ring is sleeved on the outer side of the piston rod, and the third universal plug ring arranged on the cylinder body of the cylinder is positioned between the viewing window hole and the cavity.
3. In the above scheme, a through hole is formed in the concave portion of the piston rod.
4. In the above scheme, the ratio between the inner diameter of the glue outlet flow channel and the outer diameter of the piston disc is 1: 3-10.
5. In the above scheme, the upper surface of the upper outer flange of the suck-back rod is provided with a conical surface, the conical surface is inclined downwards in the radial outward direction, the inner ring at the lower end of the sealing ring is provided with a chamfer surface, and when the suck-back rod is positioned at the uppermost end of the stroke, the conical surface on the outer flange is tightly attached to the chamfer surface on the sealing ring.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
The utility model discloses a high-flow switch valve for photovoltaic processing, wherein a piston rod is connected with the lower part of a cylinder body of a cylinder through a first universal plug ring, the piston rod is connected with the upper part of a glue inlet block through a second universal plug ring, a concave part extending along the whole circumferential direction is arranged on the piston rod, a window hole penetrating along the horizontal direction is arranged on the cylinder body and above the first universal plug ring, and the concave part on the piston rod is positioned in the window hole area, so that the upper and lower stroke states of the piston rod can be checked externally, thereby being convenient for intuitively displaying the opening and closing states of a valve body and being convenient for use; the lower end of the piston rod extends into the glue inlet flow passage of the glue inlet block along the vertical direction and is connected with a back suction rod, the lower end of the back suction rod which can move up and down along with the piston rod extends into the glue outlet flow passage of the glue outlet block and is provided with an outer flange which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage is provided with an inner flange which extends inwards along the radial direction, the outer surface of the outer flange is in sliding contact with the inner surface of the inner flange, the lower end of the glue inlet flow passage is provided with a sealing ring, the inner diameter of the sealing ring is smaller than the outer diameter of the outer flange, the outer diameter of the piston disc is far larger than the inner diameter of the glue outlet flow passage, not only can realize the large-flow output of high-pressure high-viscosity glue liquid, but also can instantly stop the glue which is output outwards, and the upward back suction force is applied to the glue liquid in the glue outlet pipe to prevent the glue liquid which is not output in the glue outlet pipe from overflowing, thereby ensuring the precision of glue supply outwards.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a large-flow switching valve for photovoltaic processing of the present utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1 in accordance with the present utility model;
FIG. 4 is an enlarged schematic view of the utility model at C of FIG. 3;
FIG. 5 is a schematic diagram of the cut-off state of the high-flow switching valve for photovoltaic processing according to the present utility model;
fig. 6 is an enlarged schematic view of the utility model at D in fig. 5.
In the above figures: 1. a cavity; 2. a cylinder block; 3. feeding a glue block; 31. a glue inlet; 32. a glue inlet flow passage; 4. discharging a glue block; 41. a glue outlet flow passage; 42. an inner flange; 5. a rubber outlet pipe; 61. a piston rod; 62. a piston disc; 7. a suck-back rod; 71. an outer flange; 72. a conical surface; 8. a seal ring; 81. chamfering the surface; 9. a PEEK ring; 10. a nut; 11. a bolt; 131. a first universal plug ring; 132. a second universal plug ring; 133. a third universal plug ring; 14. a recessed portion; 15. a viewing aperture; 16. and a through hole.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
Example 1: a high flow switching valve for photovoltaic module processing, comprising: the upper part of the air cylinder body 2 is provided with a cavity 1, a glue inlet block 3 which is connected with the lower end of the air cylinder body 2 in a sealing way, a glue outlet block 4 which is connected with the lower end of the glue inlet block 3, and a glue outlet pipe 5 which is arranged at the lower end of the glue outlet block 4, wherein a glue inlet 31 is formed in the side surface of the glue inlet block 3, a glue inlet channel 32 which is communicated with the glue inlet 31 is formed in the glue inlet block 3, the upper end of a glue outlet channel 41 which is formed in the glue outlet block 4 is communicated with the lower end of the glue inlet channel 32, and the lower end of the glue outlet channel 41 is communicated with the upper end of the glue outlet pipe 5;
The upper end of a piston rod 61 capable of moving in the vertical direction is connected with a piston disc 62 arranged in the cavity 1, the lower end of the piston rod 61 extends into the glue inlet flow channel 32 of the glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, the piston rod 61 is connected with the lower part of the cylinder body 2 through a first universal plug ring 131, the piston rod 61 is connected with the upper part of the glue inlet block 3 through a second universal plug ring 132, a concave part 14 extending in the whole circumferential direction is arranged on the piston rod 61, a window hole 15 penetrating in the horizontal direction is formed in the upper part of the cylinder body 2 and above the first universal plug ring 131, and the concave part 14 on the piston rod 61 is positioned in the region of the window hole 15;
The lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into the glue outlet flow passage 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage 41 is provided with an inner flange 42 which extends inwards along the radial direction, the outer surface of the outer flange 71 is in sliding contact with the inner surface of the inner flange 42, the lower end of the glue inlet flow passage 32 is provided with a sealing ring 8, the inner diameter of the sealing ring 8 is smaller than the outer diameter of the outer flange 71, and the outer diameter of the piston disc 62 is far larger than the inner diameter of the glue outlet flow passage 41;
When the glue feeding channel is in a cut-off state, the suction rod is at the uppermost end of the stroke under the drive of the piston rod, at the moment, the outer flange on the suction rod is tightly contacted with the sealing ring, and a passage between the glue feeding channel and the glue discharging channel is cut off to realize the cut-off of glue solution;
By increasing the ratio between the outer diameter of the piston disc and the inner diameter of the glue outlet flow channel, the high-pressure (30 Mpa) glue solution entering from the glue inlet can not downwards wash the outer flange on the return suction rod to cause the sealing between the outer flange and the sealing ring to be invalid, so that the high-flow high-pressure high-viscosity glue solution can be conveyed and cut off;
When glue is required to be supplied, the back suction rod is driven to move downwards through the piston rod, a gap is formed between the back suction rod and the sealing ring, so that the glue inlet flow channel and the glue outlet flow channel are communicated, and glue solution entering from the glue inlet sequentially passes through the glue inlet flow channel and the glue outlet flow channel and then is output outwards through the glue outlet pipe.
The upper part of the recess 14 on the piston rod 61 is located in the area of the viewing aperture 15 when it is located at the lowermost end of the travel, and the lower part of the recess 14 on the piston rod 61 is located in the area of the viewing aperture 15 when it is located at the uppermost end of the travel.
A third universal plug ring 133 is sleeved outside the piston rod 61, and the third universal plug ring 133 mounted on the cylinder body 2 is located between the viewing window 15 and the cavity 1.
The recess 14 of the piston rod 61 is provided with a through hole 16.
The ratio between the inner diameter of the glue outlet flow passage 41 and the outer diameter of the piston disc 62 is 1:4.
The upper surface of the upper outer flange 71 of the suck-back rod 7 is provided with a conical surface 72, the conical surface 72 is inclined downwards in a radial outward direction, the inner ring at the lower end of the sealing ring 8 is provided with a chamfer surface 81, and when the suck-back rod 7 is positioned at the uppermost end of the stroke, the conical surface 72 on the outer flange 71 is closely attached to the chamfer surface 81 on the sealing ring 8.
Example 2: a high flow switching valve comprising: the upper part of the air cylinder body 2 is provided with a cavity 1, a glue inlet block 3 which is connected with the lower end of the air cylinder body 2 in a sealing way, a glue outlet block 4 which is connected with the lower end of the glue inlet block 3, and a glue outlet pipe 5 which is arranged at the lower end of the glue outlet block 4, wherein a glue inlet 31 is formed in the side surface of the glue inlet block 3, a glue inlet channel 32 which is communicated with the glue inlet 31 is formed in the glue inlet block 3, the upper end of a glue outlet channel 41 which is formed in the glue outlet block 4 is communicated with the lower end of the glue inlet channel 32, and the lower end of the glue outlet channel 41 is communicated with the upper end of the glue outlet pipe 5;
The upper end of a piston rod 61 capable of moving in the vertical direction is connected with a piston disc 62 arranged in the cavity 1, the lower end of the piston rod 61 extends into the glue inlet flow channel 32 of the glue inlet block 3 in the vertical direction and is connected with a back suction rod 7, the piston rod 61 is connected with the lower part of the cylinder body 2 through a first universal plug ring 131, the piston rod 61 is connected with the upper part of the glue inlet block 3 through a second universal plug ring 132, a concave part 14 extending in the whole circumferential direction is arranged on the piston rod 61, a window hole 15 penetrating in the horizontal direction is formed in the upper part of the cylinder body 2 and above the first universal plug ring 131, and the concave part 14 on the piston rod 61 is positioned in the region of the window hole 15;
The lower end of the back suction rod 7 which can move up and down along with the piston rod 61 extends into the glue outlet flow passage 41 of the glue outlet block 4 and is provided with an outer flange 71 which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage 41 is provided with an inner flange 42 which extends inwards along the radial direction, the outer surface of the outer flange 71 is in sliding contact with the inner surface of the inner flange 42, the lower end of the glue inlet flow passage 32 is provided with a sealing ring 8, the inner diameter of the sealing ring 8 is smaller than the outer diameter of the outer flange 71, and the outer diameter of the piston disc 62 is far larger than the inner diameter of the glue outlet flow passage 41;
When the glue supply is needed to be stopped, the return suction rod is driven to move upwards through the piston rod, so that the outer flange is in close contact with the sealing ring, a passage between the glue inlet flow passage and the glue outlet flow passage is cut off, glue liquid in the glue inlet flow passage does not enter the glue outlet flow passage any more, and simultaneously, upward return suction force is generated on the glue outlet flow passage and the glue outlet pipe through instantaneous upward movement of the flange part, so that the glue liquid in the glue liquid is prevented from continuously flowing outwards, the glue liquid is instantaneously stopped without glue leakage, and the subsequent glue dispensing quality is ensured.
The upper part of the recess 14 on the piston rod 61 is located in the area of the viewing aperture 15 when it is located at the lowermost end of the travel, and the lower part of the recess 14 on the piston rod 61 is located in the area of the viewing aperture 15 when it is located at the uppermost end of the travel.
The ratio between the inner diameter of the glue outlet flow passage 41 and the outer diameter of the piston disc 62 is 1:8.
The upper surface of the upper outer flange 71 of the suck-back rod 7 is provided with a conical surface 72, the conical surface 72 is inclined downwards in a radial outward direction, the inner ring at the lower end of the sealing ring 8 is provided with a chamfer surface 81, and when the suck-back rod 7 is positioned at the uppermost end of the stroke, the conical surface 72 on the outer flange 71 is closely attached to the chamfer surface 81 on the sealing ring 8.
A PEEK ring 9 is disposed in the glue outlet channel 41 between the inner flange 42 and the seal ring 8, and an inner wall of the PEEK ring 9 is in sliding contact with an outer surface of the outer flange 71.
The upper end of the rubber outlet pipe 5 is fixedly connected with the lower end of the rubber outlet block 4 through a nut 10.
The glue outlet block 4 is a T-shaped glue outlet block.
The glue outlet block 4 is fixedly connected with the glue inlet block 3 through at least 2 bolts 11.
The working principle of the utility model is as follows:
When the glue feeding channel is in a cut-off state, the suction rod is at the uppermost end of the stroke under the drive of the piston rod, at the moment, the outer flange on the suction rod is tightly contacted with the sealing ring, and a passage between the glue feeding channel and the glue discharging channel is cut off to realize the cut-off of glue solution;
By increasing the ratio between the outer diameter of the piston disc and the inner diameter of the glue outlet flow channel, the high-pressure (30 Mpa) glue solution entering from the glue inlet can not downwards wash the outer flange on the return suction rod to cause the sealing between the outer flange and the sealing ring to be invalid, so that the high-flow high-pressure high-viscosity glue solution can be conveyed and cut off;
When glue is required to be supplied, the return suction rod is driven to move downwards through the piston rod, a gap is formed between the return suction rod and the sealing ring so as to be communicated with the glue inlet flow channel and the glue outlet flow channel, and glue solution entering from the glue inlet sequentially passes through the glue inlet flow channel and the glue outlet flow channel and is then output outwards through the glue outlet pipe;
When the glue supply is needed to be stopped, the return suction rod is driven to move upwards through the piston rod, so that the outer flange is in close contact with the sealing ring, a passage between the glue inlet flow passage and the glue outlet flow passage is cut off, glue liquid in the glue inlet flow passage does not enter the glue outlet flow passage any more, and simultaneously, upward return suction force is generated on the glue outlet flow passage and the glue outlet pipe through instantaneous upward movement of the flange part, so that the glue liquid in the glue liquid is prevented from continuously flowing outwards, the glue liquid is instantaneously stopped without glue leakage, and the subsequent glue dispensing quality is ensured.
By adopting the high-flow switch valve for photovoltaic processing, the upper and lower stroke states of the piston rod can be checked externally, so that the open-close state of the valve body can be displayed intuitively, and the valve is convenient to use; in addition, the high-pressure high-viscosity glue feeding device can realize high-flow output of high-pressure high-viscosity glue, can instantly stop glue which is output outwards, and can apply upward back suction force to the glue in the glue outlet pipe so as to prevent glue which is not output in the glue outlet pipe from overflowing, thereby ensuring the accuracy of glue supply outwards.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (6)
1. A high-flow switch valve for photovoltaic processing is characterized in that: comprising the following steps: the upper part of the air cylinder body (2) is provided with a cavity (1), a glue inlet block (3) which is in sealing connection with the lower end of the air cylinder body (2), a glue outlet block (4) which is connected with the lower end of the glue inlet block (3) and a glue outlet pipe (5) which is arranged at the lower end of the glue outlet block (4), a glue inlet (31) is formed in the side surface of the glue inlet block (3), a glue inlet runner (32) which is communicated with the glue inlet (31) is formed in the glue inlet block (3), and the upper end of a glue outlet runner (41) which is formed in the glue outlet block (4) is communicated with the lower end of the glue inlet runner (32), and the lower end of the glue outlet runner (41) is communicated with the upper end of the glue outlet pipe (5);
The upper end of a piston rod (61) capable of moving in the vertical direction is connected with a piston disc (62) arranged in the cavity (1), the lower end of the piston rod (61) extends into a glue inlet flow channel (32) of the glue inlet block (3) in the vertical direction and is connected with a back suction rod (7), the piston rod (61) is connected with the lower part of the cylinder body (2) through a first universal plug ring (131), the piston rod (61) is connected with the upper part of the glue inlet block (3) through a second universal plug ring (132), a concave part (14) extending along the whole circumferential direction is arranged on the piston rod (61), a window hole (15) penetrating along the horizontal direction is formed in the cylinder body (2) and above the first universal plug ring (131), and the concave part (14) on the piston rod (61) is positioned in the region of the window hole (15);
The lower end of the back suction rod (7) which can move up and down along with the piston rod (61) extends into the glue outlet flow passage (41) of the glue outlet block (4) and is provided with an outer flange (71) which extends outwards along the radial direction, the inner wall of the upper end of the glue outlet flow passage (41) is provided with an inner flange (42) which extends inwards along the radial direction, the outer surface of the outer flange (71) is in sliding contact with the inner surface of the inner flange (42), the lower end of the glue inlet flow passage (32) is provided with a sealing ring (8), the inner diameter of the sealing ring (8) is smaller than the outer diameter of the outer flange (71), and the outer diameter of the piston disc (62) is far larger than the inner diameter of the glue outlet flow passage (41).
2. The high-flow switching valve for photovoltaic processing according to claim 1, wherein: when the piston rod is positioned at the lowest end of the stroke, the upper part of the concave part (14) on the piston rod (61) is positioned in the area of the sight window (15), and when the piston rod is positioned at the highest end of the stroke, the lower part of the concave part (14) on the piston rod (61) is positioned in the area of the sight window (15).
3. The high-flow switching valve for photovoltaic processing according to claim 1, wherein: the outer side of the piston rod (61) is sleeved with a third universal plug ring (133), and the third universal plug ring (133) arranged on the cylinder body (2) is positioned between the viewing window hole (15) and the cavity (1).
4. The high-flow switching valve for photovoltaic processing according to claim 1, wherein: a through hole (16) is formed in the concave portion (14) of the piston rod (61).
5. The high-flow switching valve for photovoltaic processing according to claim 1, wherein: the ratio between the inner diameter of the glue outlet flow passage (41) and the outer diameter of the piston disc (62) is 1: 3-10.
6. The high-flow switching valve for photovoltaic processing according to claim 1, wherein: the upper surface of an upper outer flange (71) of the suck-back rod (7) is provided with a conical surface (72), the conical surface (72) is inclined downwards in the radial outward direction, the inner ring at the lower end of the sealing ring (8) is provided with a chamfer surface (81), and when the suck-back rod (7) is positioned at the uppermost end of the stroke, the conical surface (72) on the outer flange (71) is tightly attached to the chamfer surface (81) on the sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397301.XU CN220870086U (en) | 2023-09-05 | 2023-09-05 | Large-flow switch valve for photovoltaic processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397301.XU CN220870086U (en) | 2023-09-05 | 2023-09-05 | Large-flow switch valve for photovoltaic processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870086U true CN220870086U (en) | 2024-04-30 |
Family
ID=90807966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322397301.XU Active CN220870086U (en) | 2023-09-05 | 2023-09-05 | Large-flow switch valve for photovoltaic processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870086U (en) |
-
2023
- 2023-09-05 CN CN202322397301.XU patent/CN220870086U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220870086U (en) | Large-flow switch valve for photovoltaic processing | |
| CN102444776B (en) | fat press pump | |
| CN203264885U (en) | Honey leakage prevention device of motor spindle and screen basket integration discontinuous centrifuge unloading mechanism | |
| CN220861908U (en) | High-flow switch valve | |
| CN220879455U (en) | Pneumatic switch valve for photovoltaic glue | |
| CN215196648U (en) | Microminiature glue flow mixing cutting device | |
| CN201817257U (en) | Beer outlet device | |
| CN220879456U (en) | High-flow switch valve for high-viscosity glue solution | |
| CN201225268Y (en) | Seepage control plunger pump of high pressure perfusion plugging machine and high pressure perfusion plugging machine | |
| CN210386402U (en) | Resorption formula of gluing is glued valve for sealed point gum machine aircraft nose of numerical control | |
| CN109534274B (en) | Pneumatic brake fluid filling device | |
| CN208331749U (en) | Permanent position liquid replenisher and lubricating arrangement | |
| CN108679265B (en) | Device capable of injecting medium into pressure system and on-line flushing and maintenance | |
| CN218000404U (en) | High pressure resistant microminiature flow valve | |
| CN219009899U (en) | Liquid filling drip-proof structure and device | |
| CN111907748B (en) | Food processing is with high-efficient continuous filling machine | |
| CN209348954U (en) | A kind of resorption switch valve that can individually adjust | |
| CN212584062U (en) | Hydraulic cylinder sealing gland | |
| CN217717083U (en) | Oil sample collector | |
| CN216800413U (en) | Firing pin device for precise dispensing valve | |
| CN219670126U (en) | Automatic filling valve of doublestage | |
| CN212360157U (en) | Automatic rotating device for plunger | |
| CN218913785U (en) | Anti-scouring stop valve | |
| CN211851795U (en) | Gas lift valve | |
| CN202790573U (en) | Vacuum superconductive radiator sealing valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |