阅读说明：本技术 一种高压清洗泵 (High-pressure cleaning pump ) 是由 王炎冰 于 2019-12-12 设计创作，主要内容包括：本发明公开了一种高压清洗泵,包括支架,支架上设有驱动电机,竖向连接的柱塞架、缸体和底座,缸体内设有传动组件,它还包括金属制成的轴承座,轴承座紧配套合于缸体的内腔,轴承座将缸体内腔分隔为在下的第一传动腔及在上的第二传动腔,且轴承座的外周面与缸体的内腔之间还设有与水通道相连通的冷却腔,冷却腔上开设有进水端口,冷却腔隔断第一传动腔和第二传动腔,阻止热量传递至第二传动腔内；冷却腔能够通过热传递分别对缸体、轴承、齿轮轴的齿部以及第二传动腔进行针对性的冷却,进水端口设置在冷却腔上使得高压清洗泵出水工作的同时充盈冷却腔,无需另外设置冷却水流,提高了利用率,且结构更加紧凑。(The invention discloses a high-pressure cleaning pump, which comprises a bracket, wherein a driving motor is arranged on the bracket, a plunger frame, a cylinder body and a base are vertically connected, a transmission assembly is arranged in the cylinder body, the high-pressure cleaning pump also comprises a bearing seat made of metal, the bearing seat is tightly matched and sleeved in an inner cavity of the cylinder body, the bearing seat divides the inner cavity of the cylinder body into a first transmission cavity at the lower part and a second transmission cavity at the upper part, a cooling cavity communicated with a water channel is also arranged between the outer peripheral surface of the bearing seat and the inner cavity of the cylinder body, a water inlet port is formed in the cooling cavity, and the cooling cavity separates the first transmission cavity from the second transmission cavity and prevents heat from being; the cooling chamber can carry out the cooling of pertinence respectively to the tooth portion and the second transmission chamber of cylinder body, bearing, gear shaft through the heat transfer, and the port setting of intaking makes the high pressure cleaning pump sufficient cooling chamber when going out water work on the cooling chamber, need not to set up cooling water flow in addition, has improved the utilization ratio, and the structure is compacter.)

1. The utility model provides a high-pressure cleaning pump, includes the support, be equipped with driving motor on the support, plunger frame (1), cylinder body (2) and base (3) including vertical connection, be equipped with drive assembly (4), its characterized in that in cylinder body (2): it still includes bearing frame (5) that the metal was made, bearing frame (5) tight fit in the inner chamber of cylinder body (2), bearing frame (5) are separated cylinder body (2) inner chamber for first transmission chamber (6) under and at last second transmission chamber (7), just still be equipped with cooling chamber (8) that are linked together with inhalant canal between the outer peripheral face of bearing frame (5) and the inner chamber of cylinder body (2), inlet port (2.2) have been seted up on cooling chamber (8).

2. A high pressure washer pump as claimed in claim 1, wherein: the transmission assembly (4) comprises a gear shaft (4.1) driven by a motor and a bearing (4.2) sleeved on the gear shaft (4.1), and a tooth part of the gear shaft (4.1) is positioned in the first transmission cavity (6) and is arranged close to the lower part of the cooling cavity (8).

3. A high pressure washer pump as claimed in claim 2, wherein: bearing frame (5) include diameter reduce in proper order seal receptacle (5.1), support seat (5.2) and the oil blanket seat (5.3) of fuel feeding seal (9) embedding that supply bearing (4.2) embedding, the outer wall of seal receptacle (5.1) and oil blanket seat (5.3) is sealed the cooperation with the inner wall of cylinder body (2) respectively.

4. A high pressure washer pump as claimed in claim 1, wherein: the lower end of the cylinder body (2) is provided with a mounting seat (2.1) for placing the output end (4.3) of the power supply machine, and a gap is formed between the bearing seat (5) and the mounting seat (2.1) so that the outer surface of the mounting seat (2.1) is exposed in the cooling cavity (8).

5. A high pressure washer pump as claimed in claim 1, wherein: the cylinder body (2) lower part is equipped with drainage port (2.3) that set up with water inlet port (2.2) is relative, drainage port (2.3) are external to have drainage pipe (12) with outlet channel (1.1) intercommunication.

6. A high pressure washer pump as claimed in claim 1, wherein: the cylinder body (2) and the base (3) are arranged in a split mode, the plunger frame (1), the cylinder body (2) and the base (3) are vertically connected through a first connecting piece (10), and the base (3) and the support are fixedly connected through a second connecting piece (11).

7. A high pressure washer pump as claimed in claim 6, wherein: the periphery of plunger frame (1) is equipped with connecting portion (1.2) that are used for supplying first connecting piece (10) to pass, be equipped with on cylinder body (2) and correspond spliced pole (2.5) that set up with connecting portion (1.2), first connecting piece (10) pass connecting portion (1.2) and spliced pole (2.5) and fixed locking.

8. A high pressure washer pump as claimed in claim 6, wherein: cylinder body (2) bottom outside is equipped with first journal stirrup (2.6), cylinder body (2) are close to base (3) and are equipped with second journal stirrup (2.7), first journal stirrup (2.6) and second journal stirrup (2.7) set up at an interval each other, first connecting piece (10) and first journal stirrup (2.6) fixed connection, second journal stirrup (2.7) are passed in second connecting piece (11) and base (3) fixed connection.

Technical Field

The invention relates to hydraulic equipment, in particular to a high-pressure cleaning pump.

Background

The plunger pump is an important device of the high-pressure cleaning machine, and the plunger pump can change the volume of the working cavity to realize liquid suction and liquid pressing by means of reciprocating motion of the plunger in the pump body.

Tooth portion and the bearing of the gear shaft of plunger pump set up in the lower part usually, at the during operation, tooth portion and bearing on the gear shaft all have frictional wear at the rotation in-process, the heat conversion that the friction produced can aggravate the wearing and tearing of gear shaft and bearing, the rigidity reduces, the wearing and tearing of production can increase the moving resistance of gear shaft, power consumption grow, the heat passes through medium transfer to cylinder body simultaneously, lead to the pump body to continue to heat up, and the surperficial surface temperature on different friction surfaces is different, will produce the heat altered shape of different degree, this will seriously influence the life and the operational reliability of plunger pump, and the cooling effect of the plunger pump among the prior art is not strong, and can't be to the cooling of the tooth pertinence of.

In addition, the reaction force generated by the transmission assembly has a lateral component force along the lateral direction during operation, the lateral component force is transmitted to the cylinder body, so that the cylinder body generates certain distortion and integral inclination under the action of the lateral component force, particularly, the abrasion of the cylinder body and the transmission assembly is caused at the bearing position at the bottom of the cylinder body, the cylinder body in the prior art is usually integrally formed by aluminum alloy die casting, the stability of the bearing and the plunger in operation is seriously affected after the cylinder body generates the distortion and the cylinder body is not easy to disassemble, once the abrasion and the deformation occur, the whole part needs to be replaced, the cost is high, the assembly precision is affected, and the wide production is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the high-pressure cleaning pump is provided, and the deformation and abrasion of the transmission assembly and the cylinder body are reduced while the cooling effect is ensured.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a high-pressure cleaning pump, includes the support, be equipped with driving motor on the support, plunger frame, cylinder body and the base including vertical connection, be equipped with drive assembly in the cylinder body, it still includes the bearing frame that the metal was made, bearing frame tight fit registrates in the inner chamber of cylinder body, the bearing frame separates the cylinder body inner chamber for first transmission chamber under and the second transmission chamber at last, just still be equipped with the cooling chamber that is linked together with the water passageway between the outer peripheral face of bearing frame and the inner chamber of cylinder body, the port of intaking has been seted up on the cooling chamber.

The invention has the advantages that: the cooling cavity is arranged between the first transmission cavity and the second transmission cavity, so that the cooling cavity separates the first transmission cavity from the second transmission cavity and prevents heat from being transferred into the second transmission cavity; the cooling cavity is connected with the water channel, so that the cooling cavity can respectively cool the cylinder body, the bearing, the tooth part of the gear shaft and the second transmission cavity in a targeted manner through heat transfer, and the bearing seat is a metal component and has good heat conductivity, so that all parts can always keep safe temperature, thereby avoiding abrasion caused by overhigh temperature and distortion deformation of different areas on the cylinder body, prolonging the service life of the whole body and improving the working efficiency; the inlet port is arranged on the cooling cavity, so that the high-pressure cleaning pump can be filled with the cooling cavity while discharging water, cooling water flow is not required to be additionally arranged, the utilization rate is improved, and the structure is more compact.

Further, the transmission assembly comprises a gear shaft driven by a motor and a bearing sleeved on the gear shaft, the tooth portion of the gear shaft is located in the first transmission cavity and is close to the lower portion of the cooling cavity, through the improvement, the tooth portion of the gear shaft is located in the first transmission cavity, the bearing is located in the second transmission cavity and is close to the cavity wall of the cooling cavity, and therefore the cooling cavity has a better heat partition effect.

Further, the bearing frame includes the seal receptacle that the diameter reduces in proper order, supplies the supporting seat of bearing embedding and the oil blanket seat of fuel feeding seal embedding, the outer wall of seal receptacle and oil blanket seat respectively with the sealed cooperation of the inner wall of cylinder body, through above improvement, the diameter of bearing frame reduces in proper order to constitute the cooling chamber with the inner wall of cylinder body, and seal receptacle and oil blanket seat and the sealed cooperation of cylinder body inner wall, guarantee the complete independence in cooling chamber and first transmission chamber and second transmission chamber.

Further, the cylinder body lower extreme is equipped with the mount pad that the output of power supply machine put into, be equipped with the clearance between bearing frame and the mount pad so that the surface of mount pad exposes in the cooling chamber, through above improvement for the mount pad is located the inside partial whole exposure of cylinder body and is put in the cooling chamber, has increased the area of heat transfer, thereby has improved the cooling effect of cooling chamber to the tooth portion of gear shaft and the output of motor.

Further, the cylinder body lower part is equipped with the drainage port that sets up with the inlet port is relative, the drainage port is external to have with the drainage pipe of outlet channel intercommunication, through above improvement, during the intaking, rivers follow the inlet port and at first get into the cooling chamber, discharge in rethread drainage port and the drainage pipe gets into the outlet channel, drainage pipe is external on the drainage port, saves occupation space.

Further, the cylinder body and the base are arranged in a split mode, the plunger frame, the cylinder body and the base are vertically connected through the first connecting piece, the base is fixedly connected with the support through the second connecting piece, and through the improvement, the cylinder body and the base are arranged in a split mode, so that lateral force components borne by the cylinder body act on the connecting portion of the cylinder body and the base, and therefore the inclination and the distortion of the cylinder body caused by the fact that the cylinder body is pulled on the base are reduced.

Further, the cylinder body bottom outside is equipped with first journal stirrup, the cylinder body is close to the base and is equipped with the second journal stirrup, first journal stirrup and the mutual interval setting of second journal stirrup, first connecting piece and first journal stirrup fixed connection, the second connecting piece pass the second journal stirrup and with base fixed connection, through above improvement, set up the connection position of cylinder body, plunger frame and base in the periphery, guarantee the installation mutual independence of first connecting piece and second connecting piece, avoid producing and interfere, make things convenient for the assembly operation.

Further, the periphery of plunger frame is equipped with the connecting portion that are used for supplying the connecting piece to pass, be equipped with the spliced pole that corresponds the setting with connecting portion on the cylinder body, first connecting piece passes connecting portion and spliced pole and fixed locking, and through above improvement, the connection setting of plunger frame and cylinder body is in same vertical position, and through the vertical connection of first connecting piece in every hookup location to relative reduction the space between the terminal surface of every part, increased the structural strength of cylinder body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention; (demolish half cylinder)

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is a schematic view of the communication between the cooling chamber and the outlet conduit of the present invention;

FIG. 5 is a schematic view of the cylinder structure of the present invention;

in the figure: 1. a plunger frame; 1.1, a water outlet channel; 1.2, a connecting part; 1.3, a water outlet port; 2. a cylinder body; 2.1, mounting seats; 2.2, a water inlet port; 2.3, a drainage port; 2.4, a disk-shaped structure; 2.4.1, positioning a groove; 2.5, connecting columns; 2.6, a first lug; 2.7, a second lug; 3. a base; 4. a transmission assembly; 4.1, a gear shaft; 4.2, a bearing; 4.3, the output end of the motor; 5. a bearing seat; 5.1, sealing seat; 5.2, a supporting seat; 5.3, an oil seal seat; 5.1.1, a first ring groove; 5.3.1, a second ring groove; 5.4, convex strips; 6. a first transmission chamber; 7. a second drive chamber; 8. a cooling chamber; 9. oil sealing; 10. a first seal ring; 11. a second seal ring; 12. a first connecting member; 13. a second connecting member; 14. a water discharge pipeline;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that, although the terms upper, middle, lower, outer, inner, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any direction or order of limitation.

As shown in fig. 1-5, a high pressure cleaning pump comprises a plunger rack 1, a bracket, a cylinder body 2 and a transmission assembly 4, wherein the lower end of the cylinder body 2 is provided with a base 3, the lower end of the base 3 is connected with the bracket, and the bracket is provided with a motor for driving a gear shaft 4.1; the transmission assembly 4 comprises a pinion arranged on an output end 4.3 of the motor, a gear shaft 4.1 meshed with the pinion, a bearing 4.2 sleeved on the gear shaft 4.1, a bearing seat 5 for embedding the bearing 4.2, a swash plate arranged at the end part of the gear shaft 4.1 and a vertical plunger arranged in a plunger frame 1, wherein the swash plate is pressed on the bearing 4.2, a ball head at the lower end of the plunger is matched with the swash plate of the swash plate, the motor drives the gear shaft 4.1, so that the gear shaft 4.1 drives the swash plate to rotate, the plunger reciprocates under the action of the inclined surface of the swash plate to pressurize the volume of the cylinder body 2, the bearing seat 5 is in sealing fit with the cylinder body 2 to partition the inner cavity of the cylinder body 2, the inner cavity of the cylinder body 2 is divided into a first transmission cavity 6 at the lower part and a second transmission cavity 7 at the upper part, a cooling cavity 8 is also arranged between the bearing seat 5 and the inner cavity wall of the cylinder body, the cooling cavity 8 is communicated with a water inlet channel, the meshing part of the tooth part on the gear shaft 4.1 and the pinion is arranged at the lower end of the cylinder body 2 corresponding to the cooling cavity 8, the cylinder body 2 is provided with a water inlet port 2.2 and a water outlet port 2.3 which are oppositely arranged corresponding to the cooling cavity 8, a water outlet channel 1.1 is arranged in the plunger frame 1, the water outlet channel 1.1 on the outer wall of the plunger frame 1 extends out to be provided with a water outlet port 1.3, and the water outlet port 2.3 is externally connected with a water outlet pipeline 14 communicated with the water outlet channel 1.1 in the plunger frame 1.

Specifically, the bearing seat 5 comprises a sealing seat 5.1 with a diameter which is reduced in sequence, a supporting seat for embedding the bearing 4.2 and an oil seal seat 5.3 for embedding the oil seal 9, the sealing fit of the bearing seat 5 and the cylinder body 2 means that the outer edge of the sealing seat 5.1 is abutted against the inner wall of the cylinder body 2, the outer edge is provided with a first annular groove 5.1.1, a first sealing ring 10 is arranged in the first annular groove 5.1.1, and the first sealing ring 10 is tightly matched with the inner wall of the cylinder body 2; the inner wall of oil seal seat 5.3 is equipped with oil blanket 9, the inner wall of cylinder body 2 inwards extends and is equipped with disc structure 2.4, oil seal seat 5.3 offsets with disc structure 2.4, be equipped with second ring groove 5.3.1 on the outer wall of oil seal seat 5.3, be equipped with second sealing washer 11 in the second ring groove 5.3.1, second sealing washer 11 closely cooperates with disc structure 2.4, supporting seat 5.2 is pressed and is established on disc structure 2.4's terminal surface, and like this, first sealing washer 10 and oil blanket 9 cut off the 2 inner chambers of cylinder body and constitute second transmission chamber 7, and oil blanket 9 and second sealing washer 11 cut off cylinder body 2 and constitute first transmission chamber 6, and first sealing washer 10 and second sealing washer 11 constitute cooling chamber 8.

Specifically, the lower end of the cylinder body 2 is provided with a mounting seat 2.1 for placing a pinion, the side wall part of the mounting seat 2.1 is exposed in the cooling cavity 8, namely, a gap for water flow in the cooling cavity 8 to enter the disc-shaped structure 2.4 is formed on the matching end surfaces of the mounting seat 2.1 and the bearing seat 5.

Specifically, the bottom of bearing frame 5 radially extends and is equipped with two sand grip 4.3.1, is equipped with two constant head tank 2.4.1 that supply two sand grip 4.3.1 to put into on the disc structure 2.4, and during the assembly, in the vertical inserted constant head tank 2.4.1 of sand grip 4.3.1, play the positioning action to the assembly of bearing frame 5, and constant head tank 2.4.1 circumference arranges for the assembly of bearing frame 5 is more convenient.

Specifically, the water outlet port 1.3 is connected with a water outlet pipe orifice, and the water outlet pipe orifice is connected with the water outlet port 1.3 through a U-shaped pin; the water inlet port 2.2 is connected with a water inlet pipe orifice, and the water inlet pipe orifice is connected with the water inlet port 2.2 through a U-shaped pin.

Specifically, the plunger frame 1, the cylinder body 2 and the base 3 are vertically connected through a first connecting piece 12, the base 3 is fixedly connected with the bracket through a second connecting piece 13, the first connecting piece 12 and the second connecting piece 13 specifically refer to a screw rod with threads at the end part, wherein, the periphery of the plunger frame 1 is provided with four ear-shaped connecting parts 1.2 for the first connecting piece 12 to pass through, the connecting parts 1.2 are provided with countersunk holes, the outer wall of the cylinder body 2 is integrally provided with connecting posts 2.5 arranged corresponding to the connecting parts 1.2, the outer side of the bottom of the cylinder body 2 is provided with first lugs 2.6, the cylinder body 2 is provided with second lugs 2.7 close to the base 3, the first lugs 2.6 and the first lugs 2.6 are arranged at the periphery of the base 3 at intervals, the first connecting piece 12 passes through the connecting parts 1.2, the connecting posts 2.5 and the first lugs 2.6, and is fixed and locked by a nut after extending out of the first lug 2.6, and the second connecting piece 13 passes through the second lug 2.7 and is connected with the base 3 by screw threads.

When water flows out, water flows into the cooling cavity 8 from the water inlet port 2.2 until the cooling cavity 8 is full, then flows into the water outlet channel 1.1 through the water discharging port 2.3 and the water discharging pipeline 14, the water flows in the water outlet channel 1.1 are pressurized along with the reciprocating of the plunger, the water flows are sprayed out at high pressure, and the surface of the cylinder body 2 is cooled in the water inlet process.

The motor operates, the pinion and the driven in-process friction conversion of gear shaft 4.1 mesh come the heat, lateral wall and the discoid structure 2.4 through mount pad 2.1 transmit to cooling chamber 8, cooling chamber 8 realizes the cooling to gear shaft 4.1 and pinion through the heat transfer, the same thing, the heat that the pivoted sliding friction conversion of bearing 4.2 inner circle came, through the bearing lateral wall transmission of accepting with bearing 4.2 outer lane of bearing frame 5, cooling chamber 8 realizes the cooling to bearing 4.2 through the heat transfer, and, the outer fringe of bearing frame 5 upper end and the fluid direct contact in the pressurized cavity 6, make rivers can cool off the structure in pressurized cavity 6 simultaneously.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.