CN205618320U - Plunger pump structure and flush coater, roller coating machine - Google Patents
Plunger pump structure and flush coater, roller coating machine Download PDFInfo
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- CN205618320U CN205618320U CN201620296539.0U CN201620296539U CN205618320U CN 205618320 U CN205618320 U CN 205618320U CN 201620296539 U CN201620296539 U CN 201620296539U CN 205618320 U CN205618320 U CN 205618320U
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- plunger rod
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Abstract
The utility model discloses a plunger pump structure relates to zero technical field of hydraulic pressure, including the pump body and plunger rod, be equipped with with plunger rod complex through -hole on the pump body and go out liquid with the through -hole complex and connect, the both ends of plunger rod are link, propelling movement end respectively, the cover is equipped with and seals up complex sealing mechanism with the through -hole on the plunger rod, sealing mechanism includes clamping ring, support ring, seal cover, gland, holding ring and a plurality of sealing washer, the seal cover is equipped with the backward flow hole on being close to the lateral wall of link. The utility model also provides an adopt the flush coater and the roller coating machine of aforementioned plunger pump structure. Under seal structure seal failure's the condition, outside liquid is taken to the link of plunger rod and goes out the pump body along the backward flow orifice flow along with plunger rod reciprocating motion. The operator observes the liquid outflow pump body can know that seal structure lost efficacy, the seal structure's of being convenient for in time change spare part.
Description
Technical field
This utility model relates to hydraulic components technical field, particularly relates to a kind of plunger pump structure, it addition, this utility model further relates to use the flush coater of this kind of plunger pump structure and coating roller.
Background technology
At present, airless sprayer is used widely, and its model and kind also get more and more.The operation principle of airless sprayer is to utilize driven by motor plunger displacement pump to make coating supercharging, it is thus achieved that the coating of high pressure is transported to spray gun by flexible pipe, and coating discharges pressure atomization after spray gun, and the coating of atomization forms the coating of densification on surfaces such as bodies of wall.Need not compressed air owing to coating is atomized in spraying process, therefore this kind of spraying method is called airless spraying.
The plunger pump structure of existing airless sprayer on the market typically uses integral structure; owing to plunger displacement pump is the parts of a frequent activity; and trace can be had to contact with coating during plunger displacement pump use; plunger pump structure needs fixed time cleaning, the cleaning of existing integral structure plunger pump structure to bother very much.It addition, the plunger displacement pump on existing airless sprayer is difficult to discover when seal failure, it is impossible to change sealing ring, maintenance trouble in time.
Utility model content
In order to solve the shortcoming and defect that above-mentioned prior art exists, this utility model provides a kind of to be easy to find in time seal failure, can change the plunger pump structure of sealing ring when losing efficacy in time.
In order to reach above-mentioned technical purpose, the plunger pump structure that this utility model provides, including the pump housing, the plunger rod that is movably arranged on the pump housing, the pump housing be provided with the through hole coordinated with plunger rod and coordinate with through hole go out liquid joint；Plunger rod one end is the connection end coordinated with actuating unit, and the plunger rod other end is the propelling movement end for liquid is pushed into out liquid joint；Being set with on plunger rod and seal, with through hole, the sealing mechanism coordinated, described sealing mechanism includes pressure ring, support ring, sealing shroud, gland, locating ring and some sealing rings；Some sealing rings adapter sleeve side by side is contained on plunger rod, and pressure ring and the equal adapter sleeve of support ring are contained on plunger rod and lay respectively at the both sides of sealing ring；Sealing shroud adapter sleeve is contained on plunger rod and is positioned at the outside of sealing ring, pressure ring and support ring, gland and the axial one end fits of sealing shroud, and locating ring adapter sleeve is contained on plunger rod for spacing gland, and sealing shroud is being provided with return port on the sidewall connecting end.
Preferably, the first copper-based bearings that the propelling movement end with plunger rod coordinates it is fixed with in the through hole on the described pump housing.
Preferably, described sealing ring includes two D RunddichtringOs and a V-shaped seal ring, and V-shaped seal ring is positioned at the side of two D RunddichtringOs.
Preferably, described D RunddichtringO includes the matrix of annular, and the inwall of matrix is fixed with internal layer；Matrix uses fluorubber to make, and internal layer uses politef to make.
Preferably, on described locating ring, fastening is set with an O RunddichtringO, and on the outer wall of sealing shroud, fastening is set with some 2nd O RunddichtringOs, and plunger rod is near connecting the side adapter sleeve of end equipped with the 3rd O RunddichtringO coordinated with sealing shroud.
The plunger pump structure that this utility model provides, arranges return port on the sidewall that sealing shroud orientation column stopper rod connects end, is sealing in the case of sealing structure lost efficacy, and liquid is brought to the connection end of plunger rod external along return port efflux pump along with plunger rod moves back and forth.Operator observes that liquid flows out the pump housing and can know sealing structural failure, it is simple to change the parts sealing structure in time, it is ensured that pump housing sealing in use.
The first copper-based bearings in the pump housing plays guiding, the effect sealing, lubricating, it is simple to extend the service life that plunger pump structure is overall.
D RunddichtringO uses composite construction, the matrix that fluorubber is made has excellent wearability, chemical inertness and physical and mechanical properties, the internal layer that politef is made has high and low temperature resistance, chemical stability, non-adhesive and the anti-flammability of excellence, it is easy to improve the serviceability of D RunddichtringO, and then extends the service life of sealing ring.
This utility model additionally provides a kind of flush coater, including motor, reduction box, conveying pipeline and switching on and shutting down spray gun, switch includes that charging aperture and discharging opening, described flush coater also include gangbar and above-mentioned plunger pump structure, and the two ends of gangbar connect with the connection end on reduction box and plunger rod respectively；The two ends of conveying pipeline are connected with the charging aperture going out liquid joint and switch respectively；Spray gun is connected with the discharging opening of switch.
Motor drives plunger rod to move back and forth relative to the pump housing by reduction box, gangbar, and coating is pressed in conveying pipeline during moving back and forth by plunger rod.When switch is under opening, the ejection after switch, spray gun of the coating in press-in conveying pipeline is attached to metope or other body surfaces form coating.
Preferably, described flush coater also includes the fixture being fixed between reduction box and the pump housing, fixture is provided with the pilot hole coordinated with plunger rod and sealing mechanism, and the direction axially moved back and forth with plunger rod of pilot hole is consistent, is fixed with the second copper-based bearings coordinated with plunger rod in pilot hole.
Preferably, described motor includes power output shaft, it is fixed with output gear on the power output shaft of motor, reduction box includes the second gear, the 3rd gear engaged for the first power transmission shaft and the second gear installing the first gear and the second gear and the second driving shaft rotated with the 3rd gear synchronous that the first gear engaged with output gear and the first gear synchronous rotate, being fixed with the eccentric boss rotated with the 3rd gear synchronous on second driving shaft or the 3rd gear, one end of gangbar is fixing with eccentric boss to be connected.
Preferably, plunger pump structure also includes that is located on the pump housing returns liquid joint, pressure regulator valve and relief valve, and described flush coater also includes and returns the return duct that liquid joint is connected.
The flush coater that this utility model provides, overall structure is simple, aforesaid plunger pump structure is used can conveniently to learn the failure conditions of sealing mechanism, it is simple to on-call maintenance, the parts of replacing composition sealing mechanism make flush coater be in normal operating conditions, and are easy to clean.
Second copper-based bearings and the first copper-based bearings coordinate with the two ends of plunger rod, play guiding, the effect sealing, lubricating, it is simple to extend the service life that flush coater is overall.
Motor drives gangbar to move back and forth by power output shaft, output gear, the first gear, the first power transmission shaft, the second gear, the 3rd gear, second driving shaft, eccentric boss, gangbar drives plunger rod to synchronize to move back and forth relative to the pump housing, thus realizes the High voltage output of coating.
The pump housing arranges pressure regulator valve, relief valve, returns liquid joint, it is easy to adjust the spray volume in coating certain time according to working condition by pressure regulator valve, and then change thickness or the work efficiency of coating, can also pass through relief valve pressure release in the case of pressure is excessive, coating during pressure release is along returning liquid joint, liquid back pipe outflow.
It addition, this utility model additionally provides a kind of coating roller, including motor, reduction box, conveying pipeline, switch and cylinder, switch includes that charging aperture and discharging opening, described coating roller also include gangbar and above-mentioned plunger pump structure；The two ends of gangbar connect with the connection end of reduction box and plunger rod respectively, and the two ends of conveying pipeline are connected with the charging aperture going out liquid joint and switch respectively, and cylinder is connected to the discharging opening switched.
Preferably, described coating roller also includes the connecting rod of hollow, and the two ends of connecting rod are connected with discharging opening and the cylinder of switch respectively.
Coating roller, for aforesaid flush coater, uses cylinder to replace the spray gun in flush coater, utilizes roller applications to replace spraying method.For spraying, roller coating is more easy to operation, and material is saved in roller coating.
Use discharging opening and the cylinder of connecting rod connecting valve, owing to connecting rod has certain length, the most just increase the altitude range of drum functions, it is simple to the eminence of metope or other body surfaces is carried out roller coating, expands the range of coating roller.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model plunger pump structure embodiment；
Fig. 2 is the axonometric chart that in this utility model plunger pump structure embodiment, plunger rod and sealing mechanism coordinate；
Fig. 3 is Fig. 2 longitudinal sectional view；
Fig. 4 is the sectional view of D RunddichtringO in utility model plunger pump structure embodiment；
Fig. 5 is the overall structure schematic diagram of this utility model flush coater embodiment；
Fig. 6 is motor, reduction box, gangbar and the schematic diagram of plunger pump structure in this utility model flush coater embodiment；
Fig. 7 is motor, reduction box and the structural representation of fixture in this utility model flush coater embodiment；
Fig. 8 is the structural representation of this utility model coating roller embodiment.
nullIn figure，1-plunger pump structure，The 11-pump housing，12-plunger rod，121-connects end，122-pushes end，13-goes out liquid joint，14-returns liquid joint，15-pressure regulator valve，16-relief valve，17-the first copper-based bearings，2-sealing mechanism，21-pressure ring，22-support ring，23-sealing shroud，231-return port，24-gland，25-locating ring，26-D RunddichtringO，261-matrix，262-internal layer，27-V RunddichtringO，281-the oneth O RunddichtringO，282-the 2nd O RunddichtringO，283-the 3rd O RunddichtringO，3-motor，4-reduction box，41-the first gear，42-the second gear，43-the first power transmission shaft，44-the 3rd gear，45-second driving shaft，46-bias boss，51-conveying pipeline，52-switchs，6-spray gun，7-gangbar，81-fixture，82-return duct，9-cylinder，91-connecting rod，92-attaching nut，93-joint.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, 3, this utility model plunger pump structure embodiment includes the pump housing 11, plunger rod 12, goes out liquid joint 13, time liquid joint 14, pressure regulator valve 15 and relief valve 16.
Plunger rod 12 is movably arranged on the pump housing 11, the pump housing is provided with the through hole coordinated with plunger rod 12, go out one end that liquid joint 13 is fixed on the pump housing 11 and is positioned at through hole, return liquid joint 14, pressure regulator valve 15 be located on the pump housing with relief valve 16 and can connect with through hole, go out liquid joint 13, time liquid joint 14, pressure regulator valve 15 and relief valve 16 and use mechanism of the prior art.
Plunger rod 12 one end is the connection end 121 coordinated with actuating unit, and the plunger rod other end is the propelling movement end 122 for liquid is pushed into out liquid joint, plunger rod is set with and seals, with through hole, the sealing mechanism 2 coordinated.
In the present embodiment, sealing mechanism 2 includes pressure ring 21, support ring 22, sealing shroud 23, gland 24, locating ring 25 and some sealing rings.Some sealing rings adapter sleeve side by side is contained on plunger rod 12, pressure ring 21 and the equal adapter sleeve of support ring 22 are contained on plunger rod and lay respectively at the both sides of sealing ring, sealing shroud 23 adapter sleeve is contained on plunger rod and is positioned at the outside of sealing ring, pressure ring and support ring, gland 24 and the axial one end fits of sealing shroud, locating ring 25 adapter sleeve is contained on plunger rod for spacing gland, sealing shroud is being provided with return port 231 on the sidewall connecting end, is fixed with the first copper-based bearings 17 that the propelling movement end 122 with plunger rod 12 coordinates in the through hole on the pump housing 11.
On locating ring 25, fastening is set with an O RunddichtringO 281, and on the outer wall of sealing shroud 23, fastening is set with some 2nd O RunddichtringOs, and plunger rod 12 is near connecting the side adapter sleeve of end 121 equipped with the 3rd O RunddichtringO 283 coordinated with sealing shroud.
The sealing ring being fastened on plunger rod 12 side by side includes two D RunddichtringOs 26 and a V-shaped seal ring 27, and V-shaped seal ring is positioned at the side of two D RunddichtringOs.
As shown in Figure 4, the D RunddichtringO 26 in this utility model embodiment includes the matrix 261 of annular, and the inwall of matrix is fixed with internal layer 262.Further, matrix 261 uses fluorubber to make, and internal layer 262 uses politef to make.
As shown in Fig. 5,6,7, the flush coater that this utility model embodiment provides, including motor 3, reduction box 4, conveying pipeline 51, switch 52, spray gun 6, gangbar 7 and aforesaid plunger pump structure 1.
Switch 52 includes charging aperture and discharging opening, one end of conveying pipeline 51 is tightly connected with going out liquid joint 13, the other end of conveying pipeline is tightly connected with the charging aperture of switch, and one end of gangbar 7 is connected with reduction box 4, and the other end of gangbar connects with the connection end 121 on plunger rod 12.
Motor 3 drives plunger rod 12 to move back and forth relative to the pump housing 11 by reduction box 4, gangbar 7, and coating is pressed in conveying pipeline 51 during moving back and forth by plunger rod 12.When switch 51 is under open mode, the ejection after switch 52 and spray gun 6 of the coating in conveying pipeline 51 is attached to body of wall or other body surfaces form coating.
Reduction box 4 is being installed with fixture 81 towards one end of plunger pump structure 1, uses securing member to be detachably connected between fixture and the pump housing 11.Fixture 81 is provided with the pilot hole coordinated with plunger rod 12 and sealing mechanism 2, pilot hole axially the most consistent with the direction that plunger rod 12 moves back and forth, and is fixed with the second copper-based bearings coordinated with plunger rod 12 in pilot hole.
Motor 3 includes power output shaft, and the power output shaft of motor is fixed with output gear.Reduction box 4 includes the second gear 42 that the first gear 41 engaged with output gear rotates with the first gear synchronous, for installing the 3rd gear 44 that the first power transmission shaft 43 of the first gear and the second gear engages and the second driving shaft 45 rotated with the 3rd gear synchronous with the second gear, being fixed with the eccentric boss 46 rotated with the 3rd gear synchronous on second driving shaft or the 3rd gear, one end of gangbar 7 is fixing with eccentric boss 46 to be connected.
In this utility model embodiment, flush coater also includes the liquid back pipe 82 being connected with time liquid joint 14 on the pump housing 11.
During work, motor 3 drives plunger rod 12 to move back and forth relative to the pump housing 11 by reduction box 4, gangbar 7, plunger rod makes coating supercharging tailing edge conveying pipeline 51 export during moving back and forth, open switch 52, the coating of high pressure is atomized after spray gun sprays, and the coating of atomization is attached to metope or other body surfaces form coating.
In the case of sealing mechanism 2 seal failure, liquid is brought to the connection end 121 of plunger rod external along return port 231 efflux pump along with plunger rod 12 moves back and forth.Operator observes that liquid flows out body and i.e. may know that sealing structural failure, it is simple to changes the parts sealing structure in time, it is ensured that pump housing sealing in use, improves work efficiency.
As shown in Figure 8, this utility model embodiment additionally provides a kind of coating roller, and this coating roller includes motor 3, reduction box 4, conveying pipeline 51, switch 52, cylinder 9, gangbar 7 and aforesaid plunger pump structure 1, and switch includes charging aperture and discharging opening.
One end of gangbar 7 is connected with reduction box 4, and the other end of gangbar 7 and the connection end 121 of plunger rod 12 connect.One end of conveying pipeline 51 is tightly connected with going out liquid joint 13, and the charging aperture of the other end of conveying pipeline 51 and switch 52 is tightly connected, and cylinder 9 is sealedly attached to switch the discharging opening of 52.
In order to expand the range of cylinder 9, coating roller also includes the connecting rod 91 of hollow.One end of connecting rod 91 is tightly connected by the liquid outlet of attaching nut 92 with switch 52, and the other end of connecting rod 91 is tightly connected with cylinder 9 by joint 93.
In the present embodiment, the motor 3 of coating roller, reduction box 4, conveying pipeline 51, switch 52 can use the structure as flush coater with return duct 82, improve versatility.Spray gun 6 and cylinder 9 being supported the use as two single parts with miscellaneous part, user can select to use spray gun 6 or cylinder 9 to be operated according to working condition, spraying requirement etc. voluntarily.
When utilizing above-mentioned coating roller to be operated, motor 3 drives gangbar 7 to move back and forth by reduction box 4, and gangbar 7 drives plunger rod 12 to move back and forth relative to the pump housing 11, and plunger rod makes coating supercharging tailing edge conveying pipeline 51 export during moving back and forth.After opening switch 52, the coating of high pressure flow to cylinder 9 through connecting rod 91, and cylinder rolls around formation coating at metope or other body surfaces.
During use, can be according to the factors such as cylinder size, the required coating layer thickness flow by pressure regulator valve 15 adjusting coating, it is to avoid pressure is excessive causes paint splash to go out cylinder, it is ensured that coating quality.It addition, when coating pressure is excessive, pressure release can be carried out by relief valve 16.
In addition to above preferred embodiment, this utility model also has other embodiment, those skilled in the art can be variously modified according to this utility model and deform, and without departing from spirit of the present utility model, all should belong to the scope that this utility model is as defined in the claims.
Claims (10)
1. a plunger pump structure, including the pump housing (11) and plunger rod (12), the pump housing be provided with the through hole coordinated with plunger rod and coordinate with through hole go out liquid joint (13)；The two ends of plunger rod respectively connect end (121) and push end (122)；It is set with on plunger rod and seals, with through hole, the sealing mechanism (2) coordinated, it is characterized in that, described sealing mechanism includes pressure ring (21), support ring (22), sealing shroud (23), gland (24), locating ring (25) and some sealing rings；Sealing ring adapter sleeve side by side is contained on plunger rod, and pressure ring and the equal adapter sleeve of support ring are contained on plunger rod and lay respectively at the both sides of sealing ring；Sealing shroud adapter sleeve is contained on plunger rod and is positioned at the outside of sealing ring, pressure ring and support ring, gland and the axial one end fits of sealing shroud, locating ring adapter sleeve is contained on plunger rod for spacing gland, and sealing shroud is being provided with return port (231) on the sidewall connecting end.
Plunger pump structure the most according to claim 1, it is characterised in that be fixed with the first copper-based bearings (17) that the propelling movement end (122) with plunger rod (12) coordinates in the through hole on the described pump housing (11).
Plunger pump structure the most according to claim 2, it is characterised in that described sealing ring includes two D RunddichtringOs (26) and a V-shaped seal ring (27), and V-shaped seal ring is positioned at the side of two D RunddichtringOs.
Plunger pump structure the most according to claim 3, it is characterised in that described D RunddichtringO (26) includes the matrix (261) of annular, and the inwall of matrix is fixed with internal layer (262)；Matrix uses fluorubber to make, and internal layer uses politef to make.
Plunger pump structure the most according to claim 4, it is characterized in that, the upper fastening of described locating ring (25) is set with an O RunddichtringO (281), on the outer wall of sealing shroud (23), fastening is set with some 2nd O RunddichtringOs, and plunger rod (12) is near connecting the side adapter sleeve of end (121) equipped with the 3rd O RunddichtringO (283) coordinated with sealing shroud.
6. a flush coater, including motor (3), reduction box (4), conveying pipeline (51), switch (52) and spray gun (6), switch includes charging aperture and discharging opening, it is characterized in that, described flush coater also includes the plunger pump structure (1) described in gangbar (7) and any one of claim 1-5, the two ends of gangbar connect with the connection end (121) of reduction box and plunger rod (12) respectively, the two ends of conveying pipeline (51) are connected with the charging aperture going out liquid joint (13) and switch respectively, and spray gun is connected with the discharging opening of switch.
Flush coater the most according to claim 6, it is characterized in that, described flush coater also includes the fixture (81) being fixed between reduction box (4) and the pump housing (11), fixture is provided with the pilot hole coordinated with plunger rod (12) and sealing mechanism (2), the direction axially moved back and forth with plunger rod of pilot hole is consistent, is fixed with the second copper-based bearings coordinated with plunger rod in pilot hole.
Flush coater the most according to claim 6, it is characterized in that, described plunger pump structure (1) also includes that is located on the pump housing (11) returns liquid joint (14), pressure regulator valve (15) and relief valve (16), and described flush coater also includes and returns the return duct (82) that liquid joint (14) is connected.
9. a coating roller, including motor (3), reduction box (4), conveying pipeline (51), switch (52) and cylinder (9), switch includes charging aperture and discharging opening, it is characterized in that, described coating roller also includes the plunger pump structure (1) described in gangbar (7) and any one of claim 1-5；The two ends of gangbar connect with the connection end (121) of reduction box and plunger rod (12) respectively, and the two ends of conveying pipeline are connected with the charging aperture going out liquid joint (13) and switch respectively, and cylinder is connected to the discharging opening switched.
Coating roller the most according to claim 9, it is characterised in that described coating roller also includes the connecting rod (91) of hollow, the two ends of connecting rod are connected with discharging opening and the cylinder (9) of switch (52) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296539.0U CN205618320U (en) | 2016-04-11 | 2016-04-11 | Plunger pump structure and flush coater, roller coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620296539.0U CN205618320U (en) | 2016-04-11 | 2016-04-11 | Plunger pump structure and flush coater, roller coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618320U true CN205618320U (en) | 2016-10-05 |
Family
ID=57030161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620296539.0U Active CN205618320U (en) | 2016-04-11 | 2016-04-11 | Plunger pump structure and flush coater, roller coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618320U (en) |
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2016
- 2016-04-11 CN CN201620296539.0U patent/CN205618320U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 321035 Industrial Development Zone, Xiaoshun Town, Jindong District, Jinhua City, Zhejiang Province Patentee after: Zhejiang Prade Electric Co.,Ltd. Address before: 321035 Zhejiang Province, Jinhua City Jindong District Town Industrial Development Zone Zhejiang prulde Electric Appliance Co. Ltd. Patentee before: Zhejiang Prulde Electric Appliance Co.,Ltd. |
|
| CP03 | "change of name, title or address" |