Energy-saving high-pressure pump

Abstract

The invention discloses an energy-saving high-pressure pump, and belongs to the technical field of energy-saving pumps. A water inlet pipe and a water outlet pipe are fixedly mounted at the top in the shell, and a hydraulic mechanism is mounted in the shell; a flow guide structure is mounted in the hydraulic mechanism; a cooling mechanism is mounted on the hydraulic mechanism; a combined power mechanism is mounted on the lower side of the shell; the combined power mechanism comprises a connecting structure, a locking assembly, a positioning structure, a power input shaft and three power assemblies, the power assemblies are installed in the shell, the power assembly on the left side is fixedly connected with one end of the power input shaft, and the other end of the power input shaft penetrates out of the shell; two groups of connecting structures for connecting the adjacent power assemblies are mounted in the shell; a locking assembly used for locking the connecting structure is installed on the shell. And positioning structures are mounted on the power input shaft and the shell. In this way, different numbers of power assemblies are made to operate through cooperation of the connecting structures, the locking assemblies and the positioning structures.

Description

Technical Field

[0001] The invention relates to the technical field of energy-saving pumps, and in particular to an energy-saving high-pressure pump. Background Art

[0002] The cleaning machine sprays cleaning liquid onto the surface of the object and removes stains by physical or chemical methods to complete the cleaning. During this process, the cleaning liquid needs to be transported by a high-pressure pump. Common high-pressure pumps include plunger pumps, etc.

[0003] For example, Chinese patent CN221703901U discloses a three-cylinder plunger pump, which drives the plunger to move in the cylinder body through the crankshaft and the driving wheel, and through the cooperation of the one-way valve, the liquid is transported into the pump body, and then the high pressure is output to complete the pumping of the liquid.

[0004] However, it is difficult to adjust the flow rate of the pumped liquid according to the usage of the plunger pump; the existing method of adjusting the flow rate is to keep the one-way valve of a cylinder open so that the cylinder body does not transport liquid; but after adjusting the flow rate, the power parts of the three cylinders are still running, which is not conducive to saving energy.

[0005] Based on this, the present invention designs an energy-saving high-pressure pump to solve the above problems. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides an energy-saving high-pressure pump.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: An energy-saving high-pressure pump comprises a housing, a combined power mechanism, a hydraulic mechanism, a flow guide structure and a cooling mechanism; A water inlet pipe and a water outlet pipe are fixedly installed on the top of the shell, and three groups of hydraulic mechanisms connected with the water inlet pipe and the water outlet pipe are installed inside the shell; a flow guide structure is installed inside the hydraulic mechanism; and a cooling mechanism is installed on the hydraulic mechanism; A combined power mechanism for driving a hydraulic mechanism is installed on the lower side of the shell; the combined power mechanism includes a connecting structure, a locking assembly, a positioning structure, a power input shaft and three groups of power assemblies, the power assembly is installed inside the shell, the power assembly on the left is fixedly connected to one end of the power input shaft, and the other end of the power input shaft passes through the shell; two groups of connecting structures for connecting adjacent power assemblies are installed in the shell; a locking assembly for locking the connecting structure is installed on the shell; and a positioning structure is installed on the power input shaft and the shell.

[0008] Furthermore, the power assembly includes a shaft, an eccentric wheel and a connecting frame. The shaft is rotatably installed in the shell, and the eccentric wheel is fixedly installed on the shaft; the center of the eccentric wheel does not coincide with the center of the shaft; the lower end of the connecting frame is rotatably connected to the eccentric wheel, and the upper end of the connecting frame is rotatably connected to the hydraulic mechanism; the left end of the left shaft is fixedly connected to the inner end of the power input shaft; the right end of the left shaft, the left and right ends of the middle shaft and the left end of the right shaft are respectively provided with connecting grooves.

[0009] Furthermore, the connecting structure includes an adjusting block, a movable mounting plate, a connecting shaft, a connecting block and a positioning block. A limiting groove is provided in the shell, and a movable mounting plate is slidingly installed in the limiting groove; one end of the adjusting block is fixedly connected to the movable mounting plate, and the other end of the adjusting block passes through the shell; a connecting shaft is rotatably installed on the movable mounting plate; connecting blocks are fixedly installed at both ends of the connecting shaft; the connecting block is plugged into the connecting groove; a positioning block is fixedly installed at the end of the right connecting block; the positioning block is plugged into the connecting groove.

[0010] Furthermore, the locking assembly includes an insert block, a rotating block, an upper locking block and a lower locking block. A slot is provided on the shell, the insert block is plugged into the slot, and the insert block slides in contact with the end of the movable mounting plate; the top of the insert block passes through the shell and is rotatably connected to one end of the rotating block; a locking groove is provided on the lower side of the rotating block; the upper locking block and the lower locking block are fixedly installed on the shell; the locking groove is engaged with the upper locking block; and the locking groove is engaged with the lower locking block.

[0011] Furthermore, the positioning structure includes a driving member, a positioning plate, a positioning roller, a positioning sleeve and a guide ramp. The driving member is fixedly mounted on the shell, a positioning plate is fixedly mounted on the output end of the driving member, and a positioning roller is rotatably mounted on the positioning plate; a positioning sleeve is fixedly mounted on the power input shaft; a guide ramp is arranged on the outside of the positioning sleeve; and the positioning roller is rollingly connected to the guide ramp.

[0012] Furthermore, the hydraulic mechanism includes a piston rod, a piston, a cylinder body, a pump pipe, an inlet check valve and an outlet check valve. The cylinder body is fixedly installed in the shell, and the pump pipe is fixedly installed on the inner top of the shell; the upper end of the cylinder body is connected to the middle part of the pump pipe; the piston slides within the cylinder body, the lower end of the piston is fixedly connected to the upper end of the piston rod, and the lower end of the piston rod is rotatably connected to the connecting frame; one end of the pump pipe is fixedly installed with a water inlet check valve, and the other end of the pump pipe is fixedly installed with a water outlet check valve.

[0013] Furthermore, the guide structure includes a guide sleeve, which is fixedly installed in the pump pipe, and the center of the guide sleeve coincides with the pump pipe; the guide sleeve is located on the side of the pump pipe close to the water outlet one-way valve; a center groove is arranged in the middle of the guide sleeve; a side groove is formed between the guide sleeve and the pump pipe, and a reflux groove is opened in the pump pipe; the left side of the reflux groove is arranged as a straight line, and the right side of the reflux groove is arranged as an arc.

[0014] Furthermore, the cooling mechanism includes a first cooling module and a second cooling module, the first cooling module is arranged on the pump tube, and the second cooling module is arranged on the piston rod and the pump tube.

[0015] Furthermore, the first cooling module includes a first one-way valve and a second one-way valve. A cooling chamber is formed in the pump tube at the lower side of the piston. Through grooves are symmetrically opened at the bottom of the pump tube. An external connecting flow channel is opened on the pump tube. The two ends of the external connecting flow channel are respectively connected to the two through grooves. The first one-way valve is fixedly installed in one through groove, and the second one-way valve is fixedly installed in the external connecting flow channel on one side close to the other through groove.

[0016] Furthermore, the second cooling module includes an internal connecting flow channel, which is symmetrically opened on the lower side of the pump tube; one end of the internal connecting flow channel is connected to the through groove; a cooling flow channel is opened in the piston rod; connecting slots are opened at both ends of the cooling flow channel of the piston rod; and the other end of the internal connecting flow channel is aligned with the connecting slot.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. When the required flow rate is small, multiple groups of power components are not connected; when the required flow rate is large, the power component on the left is positioned by the positioning structure so that the power component on the left is located in the standard position, the connecting structure on the left is inserted between the power components, the power component on the left is connected to the connecting structure in the middle, and then the connecting structure is locked by the locking component; when a larger flow rate is required, the power component is positioned again by the positioning structure so that the power component on the left and the power component in the middle are located in the standard position, at this time the connecting structure on the right is inserted between the power component in the middle and the power component on the right, and the connecting structure is locked by the locking component, at this time the three groups of power components are connected; the external motor drives the three groups of power components to operate through the power input shaft, thereby driving the three groups of hydraulic mechanisms to operate, and realizing the pumping of the liquid; through the cooperation of the power component, the connecting structure, the locking component and the positioning structure, different numbers of power components can be operated according to the actual working conditions, thereby improving the applicability of the pump; 2. During the process of the hydraulic mechanism pumping liquid, the hydraulic mechanism is cooled down by the cooling mechanism to improve the service life of the hydraulic mechanism; at the same time, by setting the guide structure in the hydraulic mechanism, while not affecting the hydraulic mechanism pushing the liquid to the outlet pipe, it is avoided that the hydraulic mechanism sucks in part of the liquid in the outlet pipe while sucking in the liquid in the inlet pipe, thereby effectively reducing energy loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A three-dimensional diagram of an energy-saving high-pressure pump of the present invention; Figure 2 It is a front view of an energy-saving high-pressure pump of the present invention; Figure 3 For along Figure 2 AA direction section Figure 1 ; Figure 4 This is a three-dimensional diagram of an energy-saving high-pressure pump of the present invention after removing the shielding of the external shell; Figure 5 It is a schematic diagram of the power input shaft and its connection structure; Figure 6 Schematic diagram of the shaft and its connection structure; Figure 7 is a schematic diagram of the connecting shaft and its connecting structure; Figure 8 for Figure 1 The enlarged view of point D in the middle; Fig. 9 For along Figure 2 AA direction section Figure 2 ; Fig.10 for Fig. 9 The enlarged view of point B in the middle; Fig.11 for Fig. 9 Enlarged view of point C in the middle.

[0020] The numbers in the figure represent: 1. Shell; 11. Water inlet pipe; 12. Water outlet pipe; 2. Combined power mechanism; 21. Power assembly; 211. Shaft body; 214. Eccentric wheel; 215. Connecting frame; 216. Connecting groove; 22. Connecting structure; 221. Adjusting block; 222. Mobile mounting plate; 223. Limiting groove; 224. Connecting shaft; 225. Connecting block; 226. Positioning block; 23. Locking assembly; 231. Inserting block; 232. Slot; 233. Rotating block; 234. Upper locking block; 235. Lower locking block; 236. Locking groove; 24. Positioning structure; 241. Driving member; 242. Positioning plate; 243. Positioning roller; 244. Positioning sleeve; 245. Guide ramp; 25. Power input shaft; 3. Hydraulic mechanism; 31. Piston rod; 32. Piston; 33. Cylinder body; 34. Pump pipe; 35. Water inlet check valve; 36. Water outlet check valve; 4. Guide structure; 41. Guide sleeve; 42. Center groove; 43. Side groove; 44. Reflux groove; 5. Cooling mechanism; 51. Cooling chamber; 52. External connecting flow channel; 53. First check valve; 54. Second check valve; 55. Internal connecting flow channel; 56. Cooling flow channel; 57. Connecting notch; 58. Through groove. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0023] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 4 , an energy-saving high-pressure pump, comprising a housing 1, a combined power mechanism 2, a hydraulic mechanism 3, a flow guide structure 4 and a cooling mechanism 5; The housing 1 has a water inlet pipe 11 and a water outlet pipe 12 fixedly installed on the top thereof. The housing 1 has three sets of hydraulic mechanisms 3 connected to the water inlet pipe 11 and the water outlet pipe 12 installed inside. The hydraulic mechanisms 3 have a flow guide structure 4 installed inside. The hydraulic mechanisms 3 have a cooling mechanism 5 installed on them. A combined power mechanism 2 for driving a hydraulic mechanism 3 is installed on the lower side of the shell 1; the combined power mechanism 2 includes a connecting structure 22, a locking assembly 23, a positioning structure 24, a power input shaft 25 and three groups of power assemblies 21, the power assembly 21 is installed inside the shell 1, the power assembly 21 on the left is fixedly connected to one end of the power input shaft 25, and the other end of the power input shaft 25 passes through the shell 1; two groups of connecting structures 22 for connecting adjacent power assemblies 21 are installed in the shell 1; a locking assembly 23 for locking the connecting structure 22 is installed on the shell 1; and a positioning structure 24 is installed on the power input shaft 25 and the shell 1.

[0024] In this embodiment, when the energy-saving high-pressure pump is working normally, when the required flow rate is small, the multiple power components 21 are not connected; at this time, the power input shaft 25 is connected to the external drive motor, the drive motor drives the power input shaft 25 to rotate, the power input shaft 25 drives a group of power components 21 to operate, and the power components 21 drive the hydraulic mechanism 3 to operate, so that the liquid flows from the water inlet pipe 11 into the hydraulic mechanism 3, and then is pushed into the water outlet pipe 12 through the hydraulic mechanism 3 to complete the pumping of the liquid; when the required flow rate is large, the power component 21 on the left is positioned by the positioning structure 24, so that the power component 21 on the left is located in the standard position, the connecting structure 22 on the left is inserted between the power components 21, so that the power component 21 on the left is connected to the connecting structure 22 in the middle, and then the connecting structure 22 is locked by the locking component 23; the external motor drives the left power component 21 through the power input shaft 25 The power assembly 21 and the power assembly 21 in the middle are operated, thereby driving the hydraulic mechanism 3 on the left and the hydraulic mechanism 3 in the middle to operate, thereby realizing the pumping of the liquid; when a larger flow rate is required, the power assembly 21 is positioned again through the positioning structure 24, so that the power assembly 21 on the left and the power assembly 21 in the middle are located in the standard position, at this time, the connecting structure 22 on the right is inserted between the power assembly 21 in the middle and the power assembly 21 on the right, and the connecting structure 22 is locked through the locking assembly 23, at this time, the three groups of power assemblies 21 are connected; the external motor drives the three groups of power assemblies 21 to operate through the power input shaft 25, thereby driving the three groups of hydraulic mechanisms 3 to operate, thereby realizing the pumping of the liquid; through the cooperation of the power assembly 21, the connecting structure 22, the locking assembly 23 and the positioning structure 24, different numbers of power assemblies 21 can be operated according to actual working conditions, thereby improving the applicability of the pump; During the process of the hydraulic mechanism 3 pumping liquid, the hydraulic mechanism 3 is cooled by the cooling mechanism 5 to improve the service life of the hydraulic mechanism 3; at the same time, by setting the guide structure 4 in the hydraulic mechanism 3, while not affecting the hydraulic mechanism 3 pushing the liquid to the water outlet pipe 12, it is avoided that the hydraulic mechanism 3 sucks in part of the liquid in the water outlet pipe 12 while sucking in the liquid in the water inlet pipe 11, thereby effectively reducing energy loss.

[0025] Embodiment 2: In some embodiments, Figure 1-Figure 8 As shown, as a preferred embodiment of the present invention, the power assembly 21 includes a shaft 211, an eccentric wheel 214 and a connecting frame 215. The shaft 211 is rotatably installed in the housing 1, and the eccentric wheel 214 is fixedly installed on the shaft 211; the center of the eccentric wheel 214 does not coincide with the center of the shaft 211; the lower end of the connecting frame 215 is rotatably connected to the eccentric wheel 214, and the upper end of the connecting frame 215 is rotatably connected to the hydraulic mechanism 3; the left end of the left shaft 211 is fixedly connected to the inner end of the power input shaft 25; the right end of the left shaft 211, the left and right ends of the middle shaft 211 and the left end of the right shaft 211 are respectively provided with connecting grooves 216; The connecting structure 22 includes an adjusting block 221, a movable mounting plate 222, a connecting shaft 224, a connecting block 225 and a positioning block 226. A limiting groove 223 is provided in the housing 1, and a movable mounting plate 222 is slidably installed in the limiting groove 223; one end of the adjusting block 221 is fixedly connected to the movable mounting plate 222, and the other end of the adjusting block 221 passes through the housing 1; a connecting shaft 224 is rotatably installed on the movable mounting plate 222; connecting blocks 225 are fixedly installed at both ends of the connecting shaft 224; the connecting block 225 is plugged into the connecting groove 216; a positioning block 226 is fixedly installed at the end of the right connecting block 225; the positioning block 226 is plugged into the connecting groove 216; The locking assembly 23 includes an insert block 231, a rotating block 233, an upper locking block 234 and a lower locking block 235. A slot 232 is provided on the housing 1. The insert block 231 is plugged into the slot 232. The insert block 231 slides in contact with the end of the movable mounting plate 222. The top of the insert block 231 passes through the housing 1 and is rotatably connected to one end of the rotating block 233. A locking groove 236 is provided on the lower side of the rotating block 233. An upper locking block 234 and a lower locking block 235 are fixedly installed on the housing 1. The locking groove 236 is engaged with the upper locking block 234. The locking groove 236 is engaged with the lower locking block 235. The positioning structure 24 includes a driving member 241, a positioning plate 242, a positioning roller 243, a positioning sleeve 244 and a guide ramp 245. The driving member 241 is fixedly mounted on the shell 1, and a positioning plate 242 is fixedly mounted on the output end of the driving member 241, and a positioning roller 243 is rotatably mounted on the positioning plate 242; a positioning sleeve 244 is fixedly mounted on the power input shaft 25; a guide ramp 245 is arranged on the outer side of the positioning sleeve 244; the positioning roller 243 is rollingly connected to the guide ramp 245.

[0026] The driving member 241 can be configured as a pneumatic cylinder or an electric push cylinder.

[0027] In this embodiment, when the power assembly 21, the connecting structure 22, the locking assembly 23 and the positioning structure 24 work normally, when the required flow rate is small, the power input shaft 25 drives the shaft body 211 on the left to rotate, and the shaft body 211 drives the eccentric wheel 214 to rotate, thereby driving the hydraulic mechanism 3 to operate through the connecting frame 215; if the required flow rate increases, the driving member 241 drives the positioning plate 242 to move, and the positioning plate 242 drives the positioning roller 243 to move until the positioning roller 243 is in contact with the guide ramp 245 on the positioning sleeve 244. The positioning roller 243 drives the positioning sleeve 244 to rotate through the guide ramp 245, and the rotation of the positioning sleeve 244 drives the power input shaft 25 to rotate, thereby driving the left shaft body 211 to rotate; making the connecting groove 216 at the right end of the left shaft body 211 in the standard position; in the initial state, the positioning block 226 is located in the connecting groove 216 on the left side of the middle shaft body 211, so that the middle shaft body 211 is in the standard position; push the adjustment block 221; the adjustment block 221 drives the movable mounting plate 222 to move in the limiting groove 223, so that The connecting shaft 224 and the connecting block 225 are driven to move, so that the connecting blocks 225 on both sides of the connecting shaft 224 are respectively inserted into the connecting grooves 216 of the shaft bodies 211 on both sides; the rotating block 233 is lifted upward to make the locking groove 236 on the lower side of the rotating block 233 disengage from the upper locking block 234, and then the rotating block 233 is rotated to move the rotating block 233 to a position where it is not blocked by the upper locking block 234, and then the rotating block 233 and the inserting block 231 are moved downward, so that the inserting block 231 moves vertically downward in the slot 232, and the lower side of the inserting block 231 blocks the moving The side of the mounting plate 222, at this time, rotate the rotating block 233 to make the locking groove 236 on the lower side of the rotating block 233 align with the lower locking block 235; then continue to move the block 231 and the rotating block 233 downward, so that the locking groove 236 is stuck on the lower locking block 235 to complete the locking; the power input shaft 25 rotates to drive the shaft body 211 on the left to rotate, and the shaft body 211 on the left drives the shaft body 211 in the middle to rotate through the connecting groove 216, the connecting block 225 and the connecting shaft 224; thereby driving the hydraulic mechanism 3 on the left and the hydraulic mechanism 3 in the middle to operate.

[0028] Embodiment 3: In some embodiments, Figure 1-Figure 4 and Figure 9-11 As shown, as a preferred embodiment of the present invention, the hydraulic mechanism 3 includes a piston rod 31, a piston 32, a cylinder body 33, a pump pipe 34, a water inlet check valve 35 and a water outlet check valve 36. The cylinder body 33 is fixedly installed in the housing 1, and the pump pipe 34 is fixedly installed on the inner top of the housing 1; the upper end of the cylinder body 33 is connected to the middle of the pump pipe 34; the piston 32 slides within the cylinder body 33, the lower end of the piston 32 is fixedly connected to the upper end of the piston rod 31, and the lower end of the piston rod 31 is rotatably connected to the connecting frame 215; the water inlet check valve 35 is fixedly installed at one end of the pump pipe 34, and the water outlet check valve 36 is fixedly installed at the other end of the pump pipe 34; Both ends of the pump pipe 34 are connected to the water inlet pipe 11 and the water outlet pipe 12 respectively.

[0029] The flow guide structure 4 includes a flow guide sleeve 41, which is fixedly installed in the pump pipe 34, and the center of the flow guide sleeve 41 coincides with the pump pipe 34; the flow guide sleeve 41 is located on one side of the pump pipe 34 close to the water outlet check valve 36; a central groove 42 is provided in the middle of the flow guide sleeve 41; a side groove 43 is formed between the flow guide sleeve 41 and the pump pipe 34, and a reflux groove 44 is provided in the pump pipe 34; the left side of the reflux groove 44 is set as a straight line, and the right side of the reflux groove 44 is set as an arc; The cooling mechanism 5 includes a first cooling module and a second cooling module, the first cooling module is arranged on the pump tube 34, and the second cooling module is arranged on the piston rod 31 and the pump tube 34; The first cooling module includes a first one-way valve 53 and a second one-way valve 54. A cooling chamber 51 is formed in the pump tube 34 at the lower side of the piston 32. Through grooves 58 are symmetrically provided at the bottom of the pump tube 34. An external communication channel 52 is provided on the pump tube 34. Both ends of the external communication channel 52 are respectively connected to the two through grooves 58. The first one-way valve 53 is fixedly installed in one through groove 58, and the second one-way valve 54 is fixedly installed in the external communication channel 52 on a side close to the other through groove 58. The second cooling module includes an internal connecting channel 55, which is symmetrically opened on the lower side of the pump tube 34; one end of the internal connecting channel 55 is connected to the through groove 58; a cooling channel 56 is opened in the piston rod 31; connecting slots 57 are opened at both ends of the cooling channel 56 of the piston rod 31; the other end of the internal connecting channel 55 is aligned with the connecting slot 57.

[0030] The cooling cavity 51 , the external communication channel 52 , the internal communication channel 55 , the cooling channel 56 , the communication notch 57 and the through groove 58 are filled with cooling liquid.

[0031] In this embodiment, when the hydraulic mechanism 3, the flow guide structure 4 and the cooling mechanism 5 work normally, the shaft 211 drives the eccentric wheel 214 to rotate, and the eccentric wheel 214 drives the piston rod 31 and the piston 32 to move vertically in the cylinder body 33; when the piston 32 moves vertically downward, the piston 32 generates negative pressure in the pump pipe 34, and the negative pressure drives the water inlet check valve 35 to move, so that the liquid in the water inlet pipe 11 enters the pump pipe 34; then when the piston 32 moves vertically upward, the liquid pressure pushes the water outlet check valve 36 to open, and the piston 32 pushes the liquid through the central groove 42 and the side groove 43, so that the liquid flows into the water outlet pipe 12, and the pumping is completed; Then, when the next round of pumping is carried out, the piston 32 moves vertically downward, and the piston 32 generates negative pressure in the pump pipe 34, and the negative pressure drives the water inlet check valve 35 to open, and at this time the water outlet check valve 36 gradually closes; before the water outlet check valve 36 is completely closed; the negative pressure in the pump pipe 34 drives the liquid to flow into the cylinder body 33; at this time, through the arrangement of the guide sleeve 41, the central groove 42, the side groove 43 and the reflux groove 44, when the liquid in the water outlet pipe 12 flows into the pump pipe 34, part of the liquid is blocked by the middle part of the guide sleeve 41, and the liquid in the reflux groove 44 flows and reversely impacts the liquid in the central groove 42 from the right side of the central groove 42, thereby forming an obstruction when the liquid flows from the water outlet pipe 12 to the pump pipe 34; before the water outlet check valve 36 is completely closed, the liquid flowing from the water outlet pipe 12 to the pump pipe 34 is obstructed, thereby avoiding energy loss; During the relative movement of the piston rod 31, the piston 32 and the cylinder body 33, the piston 32 moves upward, driving the second one-way valve 54 to open, and the piston 32 moves downward. At this time, the second one-way valve 54 is closed and the first one-way valve 53 is opened. The piston 32 moves back and forth in the cylinder body 33, so that the coolant circulates among the cooling chamber 51, the external connecting flow channel 52, the internal connecting flow channel 55, the cooling flow channel 56, the connecting notch 57 and the through groove 58; the coolant in the cooling chamber 51 and the cooling flow channel 56 exchanges heat with the piston rod 31, and then the coolant flows into the external connecting flow channel 52 for cooling, thereby realizing the cooling of the piston rod 31; in this process, through the setting of the connecting notch 57, the internal connecting flow channel 55 is always connected with the cooling flow channel 56 to ensure the circulation of the coolant.

[0032] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An energy-saving high-pressure pump, comprising a housing (1), a combined power mechanism (2), a hydraulic mechanism (3), a flow guide structure (4) and a cooling mechanism (5), characterized in that: A water inlet pipe (11) and a water outlet pipe (12) are fixedly installed at the top of the shell (1); three groups of hydraulic mechanisms (3) connected to the water inlet pipe (11) and the water outlet pipe (12) are installed inside the shell (1); a flow guide structure (4) is installed inside the hydraulic mechanism (3); and a cooling mechanism (5) is installed on the hydraulic mechanism (3); A combined power mechanism (2) for driving a hydraulic mechanism (3) is installed on the lower side of the housing (1); the combined power mechanism (2) comprises a connecting structure (22), a locking assembly (23), a positioning structure (24), a power input shaft (25) and three groups of power assemblies (21); the power assemblies (21) are installed inside the housing (1); the power assembly (21) on the left is fixedly connected to one end of the power input shaft (25), and the other end of the power input shaft (25) passes through the housing (1); two groups of connecting structures (22) for connecting adjacent power assemblies (21) are installed in the housing (1); a locking assembly (23) for locking the connecting structure (22) is installed on the housing (1); and the positioning structure (24) is installed on the power input shaft (25) and the housing (1).

2. The energy-saving high-pressure pump according to claim 1, characterized in that: The power assembly (21) comprises a shaft (211), an eccentric wheel (214) and a connecting frame (215); the shaft (211) is rotatably mounted in the housing (1); the eccentric wheel (214) is fixedly mounted on the shaft (211); the center of the eccentric wheel (214) does not coincide with the center of the shaft (211); the lower end of the connecting frame (215) is rotatably connected to the eccentric wheel (214), and the upper end of the connecting frame (215) is rotatably connected to the hydraulic mechanism (3); the left end of the left shaft (211) is fixedly connected to the inner end of the power input shaft (25); and the right end of the left shaft (211), the left and right ends of the middle shaft (211) and the left end of the right shaft (211) are respectively provided with connecting grooves (216).

3. The energy-saving high-pressure pump according to claim 2, characterized in that: The connection structure (22) comprises an adjustment block (221), a movable mounting plate (222), a connection shaft (224), a connection block (225) and a positioning block (226); a limiting groove (223) is provided in the housing (1), and a movable mounting plate (222) is slidably mounted in the limiting groove (223); one end of the adjustment block (221) is fixedly connected to the movable mounting plate (222), and the other end of the adjustment block (221) passes through the housing (1); a connection shaft (224) is rotatably mounted on the movable mounting plate (222); connection blocks (225) are fixedly mounted at both ends of the connection shaft (224); the connection block (225) is plugged into the connection groove (216); a positioning block (226) is fixedly mounted at the end of the right connection block (225); and the positioning block (226) is plugged into the connection groove (216).

4. The energy-saving high-pressure pump according to claim 3, characterized in that: The locking assembly (23) comprises an insert block (231), a rotating block (233), an upper locking block (234) and a lower locking block (235); a slot (232) is provided on the housing (1); the insert block (231) is plugged into the slot (232); the insert block (231) and the end of the movable mounting plate (222) are fitted and slid; the top of the insert block (231) passes through the housing (1) and is rotatably connected to one end of the rotating block (233); a locking slot (236) is provided on the lower side of the rotating block (233); the upper locking block (234) and the lower locking block (235) are fixedly mounted on the housing (1); the locking slot (236) is engaged with the upper locking block (234); and the locking slot (236) is engaged with the lower locking block (235).

5. The energy-saving high-pressure pump according to claim 1, characterized in that: The positioning structure (24) comprises a driving member (241), a positioning plate (242), a positioning roller (243), a positioning sleeve (244) and a guide ramp (245); the driving member (241) is fixedly mounted on the housing (1); a positioning plate (242) is fixedly mounted on the output end of the driving member (241); a positioning roller (243) is rotatably mounted on the positioning plate (242); a positioning sleeve (244) is fixedly mounted on the power input shaft (25); a guide ramp (245) is arranged outside the positioning sleeve (244); and the positioning roller (243) is rollingly connected to the guide ramp (245).

6. The energy-saving high-pressure pump according to claim 2, characterized in that: The hydraulic mechanism (3) comprises a piston rod (31), a piston (32), a cylinder body (33), a pump pipe (34), a water inlet check valve (35) and a water outlet check valve (36); the cylinder body (33) is fixedly mounted in the housing (1), and the pump pipe (34) is fixedly mounted on the inner top of the housing (1); the upper end of the cylinder body (33) is connected to the middle of the pump pipe (34); the piston (32) slides within the cylinder body (33) within a limited position, the lower end of the piston (32) is fixedly connected to the upper end of the piston rod (31), and the lower end of the piston rod (31) is rotatably connected to the connecting frame (215); the water inlet check valve (35) is fixedly mounted on one end of the pump pipe (34), and the water outlet check valve (36) is fixedly mounted on the other end of the pump pipe (34).

7. The energy-saving high-pressure pump according to claim 6, characterized in that: The flow guide structure (4) comprises a flow guide sleeve (41), the flow guide sleeve (41) being fixedly installed in the pump pipe (34), the center of the flow guide sleeve (41) coinciding with the pump pipe (34); the flow guide sleeve (41) being located in the pump pipe (34) on a side close to the water outlet non-return valve (36); a center groove (42) being provided in the middle of the flow guide sleeve (41); a side groove (43) being formed between the flow guide sleeve (41) and the pump pipe (34), and a return groove (44) being provided in the pump pipe (34); the left side of the return groove (44) being arranged in a straight line, and the right side of the return groove (44) being arranged in an arc shape.

8. The energy-saving high-pressure pump according to claim 6, characterized in that: The cooling mechanism (5) comprises a first cooling module and a second cooling module, the first cooling module being arranged on the pump tube (34), and the second cooling module being arranged on the piston rod (31) and the pump tube (34).

9. The energy-saving high-pressure pump according to claim 8, characterized in that: The first cooling module comprises a first one-way valve (53) and a second one-way valve (54); a cooling chamber (51) is formed in the pump tube (34) at the lower side of the piston (32); through grooves (58) are symmetrically provided at the bottom of the pump tube (34); an external connecting flow channel (52) is provided on the pump tube (34); two ends of the external connecting flow channel (52) are respectively connected to the two through grooves (58); the first one-way valve (53) is fixedly installed in one through groove (58); and the second one-way valve (54) is fixedly installed in the external connecting flow channel (52) on a side close to the other through groove (58).

10. The energy-saving high-pressure pump according to claim 9, characterized in that: The second cooling module comprises an internal communication channel (55), wherein the internal communication channel (55) is symmetrically provided on the lower side of the pump tube (34); one end of the internal communication channel (55) is communicated with the through groove (58); a cooling channel (56) is provided in the piston rod (31); communication slots (57) are provided at both ends of the cooling channel (56) of the piston rod (31); and the other end of the internal communication channel (55) is aligned with the communication slot (57).

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