CN211343555U - Piston connecting rod assembly for high-pressure airless putty coating machine - Google Patents
Piston connecting rod assembly for high-pressure airless putty coating machine Download PDFInfo
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- CN211343555U CN211343555U CN201922340719.0U CN201922340719U CN211343555U CN 211343555 U CN211343555 U CN 211343555U CN 201922340719 U CN201922340719 U CN 201922340719U CN 211343555 U CN211343555 U CN 211343555U
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- Prior art keywords
- spring
- piston rod
- sealing ring
- shell
- sliding
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- 239000011248 coating agent Substances 0.000 title claims abstract description 7
- 238000000576 coating method Methods 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 73
- 238000001125 extrusion Methods 0.000 claims abstract description 57
- 238000003825 pressing Methods 0.000 claims description 30
- 238000003860 storage Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a piston rod assembly for high-pressure airless putty coating machine, concretely relates to putty coating machine field, including last pump seat, be equipped with the shell on going up the pump seat, one side of shell is equipped with the output and connects, be equipped with the piston rod in the shell, be equipped with first sealing washer and second sealing washer in the shell, the second sealing washer is located the top of first sealing washer, is equipped with the annular lug in the shell, and the annular lug is located between first sealing washer and the second sealing washer, and first sealing washer and second sealing washer slip cap are located on same piston rod, have all seted up first spring extrusion groove on the both sides inner wall of shell, and slidable mounting has first spring extrusion piece in the first spring extrusion groove, and one side fixed mounting of first spring extrusion piece is on first sealing washer. The utility model discloses a cushion the piston rod, improve the life of piston rod, can carry out better sealed to the piston rod simultaneously.
Description
Technical Field
The utility model relates to a putty flush coater technical field, more specifically say, the utility model relates to a piston rod assembly for high-pressure airless putty flush coater.
Background
At present, a high-pressure airless sprayer pressurizes paint to 3000PSI (210kg/cm) by using a high-pressure plunger pump, the obtained high-pressure paint is conveyed to a spray gun through a high-pressure hose, and the pressure is released through a nozzle to form atomization, so that a compact coating is formed on the surface of a wall. Since compressed air is not required for paint atomization, it is known as airless spray. Through search, patent document No. 201110348818.9 discloses a high-pressure pump assembly for an airless sprayer, which is reliable in operation, long in service life, and low in manufacturing cost. The novel oil pump comprises an upper pump base, a lower pump base connected with the upper pump base, and a piston rod arranged in the upper pump base and the lower pump base, wherein a storage cylinder is arranged at the lower end of the lower pump base, an output connector is arranged on one side of the upper pump base, a suction valve body is arranged at the lower end of the storage cylinder, the end part of the piston rod can stretch into the storage cylinder, the end part of the piston rod is in sealing fit with the inner wall of the storage cylinder, a sealing ring is arranged on the inner periphery of the storage cylinder, and the inner periphery of the sealing ring is in sealing fit.
However, in practical use, the piston rod extends back and forth for a long time, effective protection measures are lacked, and an effective sealing means is lacked on the pump seat.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a piston rod assembly for high-pressure airless putty spraying machine.
In order to achieve the above object, the utility model provides a following technical scheme: a piston connecting rod assembly for a high-pressure airless putty coating machine comprises an upper pump base, wherein a shell is arranged on the upper pump base, an output joint is arranged on one side of the shell, a piston rod is arranged in the shell, a first sealing ring and a second sealing ring are arranged in the shell, the second sealing ring is positioned above the first sealing ring, an annular convex block is arranged in the shell and is positioned between the first sealing ring and the second sealing ring, the first sealing ring and the second sealing ring are slidably sleeved on the same piston rod, first spring extrusion grooves are respectively formed in the inner walls of two sides of the shell, a first spring extrusion block is slidably arranged in each first spring extrusion groove, one side of each first spring extrusion block is fixedly arranged on the corresponding first sealing ring, one end of a first spring is fixedly arranged at the top of each first spring extrusion block, the other end of each first spring is fixedly arranged on the inner wall of the corresponding first spring extrusion groove, second spring extrusion grooves are formed in the inner walls of the two sides of the shell, second spring extrusion blocks are slidably mounted in the second spring extrusion grooves, and one sides of the second spring extrusion blocks are fixedly mounted on the second sealing ring.
In a preferred embodiment, one end of the second spring is fixedly mounted at the bottom of the second spring pressing block, and the other end of the second spring is fixedly mounted on the inner wall of the corresponding second spring pressing groove.
In a preferred embodiment, both sides of the upper portion of the piston rod are provided with first spring sliding grooves, first sliding pressing blocks are slidably mounted in the first spring sliding grooves, and one side of each first sliding pressing block extends to the outer side of the piston rod and is matched with the second sealing ring.
In a preferred embodiment, one end of a third spring is fixedly mounted on the top of the first sliding pressing block, and the other end of the third spring is fixedly mounted on the inner wall of the corresponding first spring sliding groove.
In a preferred embodiment, both sides of the lower portion of the piston rod are provided with second spring sliding grooves, a second sliding pressing block is slidably mounted in the second spring sliding grooves, and one side of the second sliding pressing block extends to the outer side of the piston rod and is matched with the first sealing ring.
In a preferred embodiment, one end of a fourth spring is fixedly mounted at the bottom of the second sliding pressure block, and the other end of the fourth spring is fixedly mounted on the inner wall of the corresponding second spring sliding chute.
The utility model discloses a technological effect and advantage:
1. the utility model improves the service life of the piston rod by buffering the piston rod, and can better seal the piston rod;
2. when the piston rod stretches, the two first sliding pressing blocks and the two second sliding pressing blocks on the piston rod slide, and the first sliding pressing blocks slide to release the extrusion and fixation of the second sealing ring, so that the second sealing ring stretches in a small-amplitude sliding manner;
3. because the first sealing washer produces deformation because the elasticity extrusion of third spring and fourth spring makes, realizes that first sealing washer and second sealing washer make a round trip to slide and annular lug contact extrusion, realizes the better sealed of piston rod, can cushion the shock attenuation to the slip of piston rod simultaneously.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.
Fig. 2 is a schematic side view of the cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of part a of the present invention.
The reference signs are: the device comprises a pump base 1, a shell 2, an output joint 3, a piston rod 4, a first sealing ring 5, a second sealing ring 6, a first spring extrusion groove 7, a first spring extrusion block 8, a first spring 9, a second spring extrusion groove 10, a second spring extrusion block 11, a second spring 12, a first spring sliding groove 13, a first sliding pressing block 14, a third spring 15, a second spring sliding groove 16, a second sliding pressing block 17 and a fourth spring 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The piston connecting rod assembly for the high-pressure airless putty spraying machine shown in the figures 1-3 comprises an upper pump base 1, wherein a shell 2 is arranged on the upper pump base 1, an output connector 3 is arranged on one side of the shell 2, a piston rod 4 is arranged in the shell 2, a first sealing ring 5 and a second sealing ring 6 are arranged in the shell 2, the second sealing ring 6 is positioned above the first sealing ring 5, an annular convex block is arranged in the shell 2 and is positioned between the first sealing ring 5 and the second sealing ring 6, the first sealing ring 5 and the second sealing ring 6 are sleeved on the same piston rod 4 in a sliding manner, first spring extrusion grooves 7 are respectively formed in the inner walls of two sides of the shell 2, a first spring extrusion block 8 is arranged in the first spring extrusion grooves 7 in a sliding manner, one side of the first spring extrusion block 8 is fixedly arranged on the first sealing ring 5, and one end of a first spring 9 is fixedly arranged at the top of the, the other end of the first spring 9 is fixedly installed on the inner wall of the corresponding first spring extrusion groove 7, second spring extrusion grooves 10 are formed in the inner walls of the two sides of the shell 2, second spring extrusion blocks 11 are installed in the second spring extrusion grooves 10 in a sliding mode, one side of each second spring extrusion block 11 is fixedly installed on the corresponding second sealing ring 6, when the piston rod 4 stretches out and draws back, two first sliding pressing blocks 14 and two second sliding pressing blocks 17 on the piston rod 4 slide, the first sliding pressing blocks 14 slide to release the extrusion fixation of the second sealing rings 6, and the second sealing rings 6 stretch out and draw back in a sliding mode in a small amplitude mode.
The utility model discloses in, the bottom fixed mounting of second spring extrusion piece 11 has the one end of second spring 12, and the other end fixed mounting of second spring 12 is on the inner wall of the second spring extrusion groove 10 that corresponds, and the elasticity of first spring 9 and second spring 12 can drive first spring extrusion piece 8 and the sliding reset of second spring extrusion piece 11 respectively.
The utility model discloses in, first spring runner 13 has all been seted up to the upper portion both sides of piston rod 4, and slidable mounting has first slip briquetting 14 in first spring runner 13, and one side of first slip briquetting 14 extends to the outside of piston rod 4 and cooperatees with second sealing washer 6, and first slip briquetting 14 slides and removes the extrusion fixed to second sealing washer 6.
The utility model discloses in, the top fixed mounting of first slip briquetting 14 has the one end of third spring 15, and the other end fixed mounting of third spring 15 is in the inner wall of the first spring spout 13 that corresponds, and the first slip briquetting 14 of elasticity extrusion of third spring 15.
The utility model discloses in, second spring chute 16 has all been seted up to the lower part both sides of piston rod 4, and slidable mounting has second slip briquetting 17 in the second spring chute 16, and one side of second slip briquetting 17 extends to the outside of piston rod 4 and cooperatees with first sealing washer 5, and second slip briquetting 17 slides along with piston rod 4, second slip briquetting 17 and the 6 contact extrusion of first sealing washer.
The utility model discloses in, the bottom fixed mounting of second slip briquetting 17 has the one end of fourth spring 18, the other end fixed mounting of fourth spring 18 is in the inner wall of the second spring spout 16 that corresponds, because the elasticity extrusion of third spring 15 and fourth spring 18 makes first sealing washer 5 produce deformation, realize that first sealing washer 5 and second sealing washer 6 make a round trip to slide and the extrusion of annular convex block contact, realize the better sealing to piston rod 4, can cushion the shock attenuation to the slip of piston rod 4 simultaneously.
The utility model discloses the theory of operation:
reference is made to figures 1 to 3 of the specification; when the piston rod type sealing device is used, when the piston rod 4 extends, the two first sliding pressing blocks 14 and the two second sliding pressing blocks 17 on the piston rod 4 slide, the first sliding pressing blocks 14 slide to release extrusion and fixation of the second sealing ring 6, so that the second sealing ring 6 slides and extends in a small range, the elastic force of the first spring 9 and the second spring 12 can respectively drive the first spring pressing block 8 and the second spring pressing block 11 to slide and reset, the first sliding pressing blocks 14 slide to release extrusion and fixation of the second sealing ring 6, the elastic force of the third spring 15 presses the first sliding pressing blocks 14, the second sliding pressing blocks 17 slide along with the piston rod 4, the second sliding pressing blocks 17 are in contact extrusion with the first sealing ring 6, the first sealing ring 5 slides in a small range due to the elastic force extrusion of the third spring 15 and the fourth spring 18, so that the first sealing ring 5 and the second sealing ring 6 slide back and forth and the annular bump in contact extrusion, the piston rod 4 is better sealed, meanwhile, the sliding of the piston rod 4 can be buffered and damped, the piston rod 4 is protected, and the service life of the piston rod 4 is prolonged.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a piston rod assembly for high-pressure airless putty coating machine, includes pump seat (1), its characterized in that: the pump comprises an upper pump seat (1), a shell (2) is arranged on the upper pump seat (1), an output connector (3) is arranged on one side of the shell (2), a piston rod (4) is arranged in the shell (2), a first sealing ring (5) and a second sealing ring (6) are arranged in the shell (2), the second sealing ring (6) is positioned above the first sealing ring (5), an annular convex block is arranged in the shell (2) and positioned between the first sealing ring (5) and the second sealing ring (6), the first sealing ring (5) and the second sealing ring (6) are slidably sleeved on the same piston rod (4), first spring extrusion grooves (7) are formed in the inner walls of two sides of the shell (2), a first spring extrusion block (8) is slidably arranged in the first spring extrusion groove (7), one side of the first spring extrusion block (8) is fixedly arranged on the first sealing ring (5), one end of a first spring (9) is fixedly arranged at the top of the first spring extrusion block (8), the other end fixed mounting of first spring (9) is on the inner wall of the first spring extrusion groove (7) that corresponds, second spring extrusion groove (10) have all been seted up on the both sides inner wall of shell (2), and slidable mounting has second spring extrusion piece (11) in second spring extrusion groove (10), and one side fixed mounting of second spring extrusion piece (11) is on second sealing washer (6).
2. The piston connecting rod assembly for the high-pressure airless putty sprayer according to claim 1 is characterized in that: one end of a second spring (12) is fixedly installed at the bottom of the second spring extrusion block (11), and the other end of the second spring (12) is fixedly installed on the inner wall of the corresponding second spring extrusion groove (10).
3. The piston connecting rod assembly for the high-pressure airless putty sprayer according to claim 1 is characterized in that: first spring sliding grooves (13) are formed in two sides of the upper portion of the piston rod (4), first sliding pressing blocks (14) are arranged in the first spring sliding grooves (13) in a sliding mode, and one side of each first sliding pressing block (14) extends to the outer side of the piston rod (4) and is matched with the second sealing ring (6).
4. The piston connecting rod assembly for the high-pressure airless putty sprayer according to claim 3, is characterized in that: one end of a third spring (15) is fixedly mounted at the top of the first sliding pressing block (14), and the other end of the third spring (15) is fixedly mounted on the inner wall of the corresponding first spring sliding groove (13).
5. The piston connecting rod assembly for the high-pressure airless putty sprayer according to claim 1 is characterized in that: second spring sliding grooves (16) are formed in two sides of the lower portion of the piston rod (4), a second sliding pressing block (17) is installed in the second spring sliding grooves (16) in a sliding mode, and one side of the second sliding pressing block (17) extends to the outer side of the piston rod (4) and is matched with the first sealing ring (5).
6. The piston connecting rod assembly for the high-pressure airless putty sprayer according to claim 5, is characterized in that: one end of a fourth spring (18) is fixedly installed at the bottom of the second sliding pressing block (17), and the other end of the fourth spring (18) is fixedly installed on the inner wall of the corresponding second spring sliding groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340719.0U CN211343555U (en) | 2019-12-24 | 2019-12-24 | Piston connecting rod assembly for high-pressure airless putty coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922340719.0U CN211343555U (en) | 2019-12-24 | 2019-12-24 | Piston connecting rod assembly for high-pressure airless putty coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343555U true CN211343555U (en) | 2020-08-25 |
Family
ID=72103458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922340719.0U Expired - Fee Related CN211343555U (en) | 2019-12-24 | 2019-12-24 | Piston connecting rod assembly for high-pressure airless putty coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343555U (en) |
-
2019
- 2019-12-24 CN CN201922340719.0U patent/CN211343555U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |