Energy-saving cold water pump

Abstract

The utility model provides an energy-saving type cold water pump which comprises a mounting pipe, a centrifugal pump is arranged at the bottom end of the mounting pipe, a mounting block is fixedly arranged on one side of the mounting pipe, a sliding assembly is arranged in the mounting pipe, an elastic piece is arranged in the sliding assembly, a transmission assembly is arranged on one side of the mounting block, and the transmission assembly is arranged on the other side of the mounting pipe. A limiting assembly is arranged on one side of the transmission assembly, a plurality of rolling pieces are arranged in the limiting assembly, a speed regulation controller is arranged at the front end of the limiting assembly, dismounting assemblies are arranged on the two sides of the speed regulation controller, and fixing pieces are arranged in the dismounting assemblies. Through the transmission assembly and the sliding assembly, the sliding assembly and the transmission assembly are driven to operate according to the magnitude of water flow, so that the speed regulation controller is driven to control the rotating speed of the centrifugal pump, dependence on external electric power is reduced, the cost needed for saving energy is reduced, and the stability and reliability of the device are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump field, specifically, relate to a kind of energy-saving cold water pump. BACKGROUND

[0002] Cold water pump refers to the pump that can transport liquid with temperature lower than 80°C, such pumps play a key role in various industrial and commercial applications, conventional water pumps generally use electronic induction and control technology to realize the adjustment of water pump speed, flow and power, to play the role of energy saving, however, the electronic induction system is more dependent on power supply, and electronic components are easily affected by temperature, humidity, electromagnetic interference and other factors in the environment during long-term operation, resulting in decreased stability, poor energy-saving effect, and increased maintenance cost.

[0003] For example: the utility model patent (application number: 201921090792.0) discloses "PLC control speed regulation energy-saving centrifugal pump", the specification discloses: the pump seat is provided with a pump body, one side of the pump body is provided with a water inlet, the water inlet is provided with a water inlet flow sensor, the upper part of the pump body is provided with a water outlet, the water outlet is provided with a water outlet flow sensor, a motor is arranged on one side of the pump body, and an impeller is connected to the motor shaft; a PLC controller is arranged on the motor, a PLC processing center is arranged in the PLC controller, a water inlet flow sensing module and a water outlet flow sensing module are arranged in the PLC controller, the water inlet flow sensing module is connected with the flow sensor circuit arranged in the water inlet, and the water outlet flow sensing module is connected with the water outlet flow sensor circuit. The utility model can realize PLC control of centrifugal pump, automatically adjust the speed of water pump according to the water inlet and water outlet, so as to achieve the purpose. It is suitable for use as PLC control energy-saving centrifugal pump; the above patent can prove the defects existing in the prior art.

[0004] Therefore, we improve it and propose an energy-saving cold water pump. SUMMARY

[0005] The utility model aims at: in view of the problem that the energy saving of water pump is more dependent on power supply and is easily affected by environmental factors.

[0006] In order to realize the above-mentioned invention purpose, improve the above-mentioned problem, the utility model provides energy-saving cold water pump, including installation pipe, the bottom of installation pipe is equipped with centrifugal pump, one side of installation pipe is fixedly provided with mounting block, the inside of installation pipe is equipped with sliding assembly, the inside of sliding assembly is equipped with elastic piece, one side of mounting block is equipped with transmission assembly, one side of transmission assembly is equipped with limiting assembly, the inside of limiting assembly is equipped with a plurality of rolling elements, the front end of limiting assembly is equipped with speed regulator, both sides of speed regulator are equipped with dismounting assembly, the inside of dismounting assembly is equipped with fixing piece.

[0007] As a preferred technical scheme of the present application, the sliding assembly comprises a fixed cylinder fixed to the inner wall of the mounting pipe, and a piston is slidably arranged in the fixed cylinder.

[0008] As a preferred technical scheme of the present application, the transmission assembly comprises a sliding block fixed to the top end of the piston, a connecting groove is formed in one side of the fixed cylinder, one side of the mounting pipe and one side of the mounting block, one transmission rod is arranged in the three connecting grooves, one end of the transmission rod is fixedly connected with one side of the sliding block, the other end of the transmission rod is fixedly provided with a rack, and the rack is meshed with a gear.

[0009] As a preferred technical scheme of the present application, the elastic member comprises a spring fixed to the top end of the sliding block, and the top end of the spring is fixedly connected with the top end in the fixed cylinder.

[0010] As a preferred technical scheme of the present application, the speed regulating controller is located at the front end of the gear, the rear end of the speed regulating controller is provided with a knob, the inside of the gear is provided with a mounting port, and the knob is fixedly connected with the inside of the mounting port.

[0011] As a preferred technical scheme of the present application, the dismounting assembly comprises two dismounting plates respectively located at the two sides of the rear end of the speed regulating controller, the dismounting plates are fixedly connected with the mounting block, mounting grooves are formed in one side of the dismounting plates, connecting blocks are slidably arranged in the mounting grooves, and the front end of the connecting block is fixedly connected with the speed regulating controller.

[0012] As a preferred technical scheme of the present application, the fixing member comprises a bolt located at the top end of the dismounting plate, the bottom end of the bolt penetrates through the dismounting plate and the connecting block, and a handle is fixedly arranged at the top end of the bolt.

[0013] As a preferred technical scheme of the present application, the limiting assembly comprises a fixed plate located at the side of the rack away from the gear, the fixed plate is fixedly connected with the mounting block, a communication plate is fixedly arranged at the front end of the fixed plate, and a limiting plate in sliding connection with the rack is fixedly arranged at the front end of the communication plate.

[0014] As a preferred technical scheme of the present application, a plurality of communication grooves are formed in the communication plate, a plurality of rollers are arranged in the communication grooves respectively, the rollers are rotatably connected between the fixed plate and the limiting plate, and the rollers are in contact with the rack.

[0015] As a preferred technical scheme of the present application, the bottom end and the top end of the fixed cylinder are both provided with inclined surfaces.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] 1. Through the setting of the transmission assembly and the sliding assembly, the sliding assembly and the transmission assembly are driven to run through the size of the water flow, so as to drive the speed controller to control the rotating speed of the centrifugal pump, reduce the dependence on external power, reduce the cost required for energy saving, and improve the stability and reliability of the device, solve the problem that the energy saving of the water pump in the prior art is more dependent on power supply and is easily affected by environmental factors.

[0019] 2. Through the setting of the disassembly assembly and the fixing part, the fixing part is pulled out, and then the speed controller is pushed to one side for a distance, so that the speed controller can be disassembled, solving the problem that the speed controller in the prior art is more troublesome to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure diagram of the energy-saving cold water pump provided in the application is provided.

[0021] Figure 2 The structure diagram of the mounting block in the energy-saving cold water pump provided in the application is provided.

[0022] Figure 3 The exploded structure diagram of the limiting assembly in the energy-saving cold water pump provided in the application is provided.

[0023] Figure 4 The structure diagram of the transmission assembly in the energy-saving cold water pump provided in the application is provided.

[0024] Figure 5 The side view cross-sectional structure diagram of the transmission assembly in the energy-saving cold water pump provided in the application is provided.

[0025] Figure 6 The side view cross-sectional structure diagram of the sliding assembly in the energy-saving cold water pump provided in the application is provided.

[0026] Figure 7 The exploded structure diagram of the disassembly assembly in the energy-saving cold water pump provided in the application is provided.

[0027] INDICATIONS IN THE DRAWINGS

[0028] 1, mounting pipe; 201, centrifugal pump; 202, mounting block; 203, protective shell; 3, limiting assembly; 301, fixed plate; 302, communication plate; 303, limiting plate; 304, communication groove; 305, roller; 4, disassembly assembly; 401, disassembly plate; 402, mounting groove; 403, connecting block; 404, bolt; 501, speed controller; 502, knob; 6, transmission assembly; 601, gear; 602, rack; 603, transmission rod; 604, sliding block; 7, sliding assembly; 701, fixed cylinder; 702, piston; 703, spring. DETAILED DESCRIPTION

[0029] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0030] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application.

[0031] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0032] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] Embodiment 1

[0034] Please refer to Figure 1 , Figure 2 and Figure 5 , an energy-saving cold water pump, comprising a mounting pipe 1, the bottom end of the mounting pipe 1 is provided with a centrifugal pump 201, one side of the mounting pipe 1 is fixedly provided with a mounting block 202, the inside of the mounting pipe 1 is provided with a sliding assembly 7, the inside of the sliding assembly 7 is provided with an elastic member, one side of the mounting block 202 is provided with a transmission assembly 6, the transmission assembly 6 is used to drive the rotation of the knob 502, so as to control the rotating speed of the centrifugal pump 201, so that the centrifugal pump 201 always rotates at a relatively appropriate rotating speed, avoiding too fast or too slow output, one side of the transmission assembly 6 is provided with a limiting assembly 3, the inside of the limiting assembly 3 is provided with a plurality of rolling members, the rolling members are used to make the transmission assembly 6 run more stably, the front end of the limiting assembly 3 is provided with a speed controller 501, both sides of the speed controller 501 are provided with a dismounting assembly 4, the dismounting assembly 4 is used to make the speed controller 501 be able to be quickly dismounted, the inside of the dismounting assembly 4 is provided with a fixing member, the fixing member is used to fix the speed controller 501, the front end of the mounting block 202 is hingedly provided with a protective shell 203.

[0035] Further, as shown in Figure 5 , the sliding assembly 7 includes a fixed cylinder 701 fixed to the inner wall of the mounting pipe 1, when the water flow is too fast, the piston 702 is pushed to move upward, so as to control the speed controller 501 through the transmission assembly 6 to slow down the rotating speed of the mounting block 202, the inside of the fixed cylinder 701 is slidably provided with the piston 702.

[0036] Further, as shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the transmission assembly 6 includes a slider 604 fixed to the top end of the piston 702, one side of the fixed cylinder 701, one side of the mounting pipe 1 and one side of the mounting block 202 are provided with connecting grooves, the three connecting grooves are located at the same position and are used to be connected with the transmission rod 603, the inside of the three connecting grooves is provided with the same transmission rod 603, one end of the transmission rod 603 is fixedly connected with one side of the slider 604, the other end of the transmission rod 603 is fixedly provided with a rack 602, the rack 602 is slidingly connected with the mounting block 202, one side of the rack 602 is engaged with a gear 601, when the piston 702 moves upward, the rack 602 is driven to move through the transmission rod 603, the gear 601 and the knob 502 are driven to rotate through the engagement.

[0037] Further, as shown in Figure 5 , the elastic member includes a spring 703 fixed to the top end of the slider 604, through the elastic force of the spring 703, when the flow force of water is not enough, the piston 702 is driven to move downward, so that the rotating speed of the centrifugal pump 201 is adjusted through the speed controller 501, the top end of the spring 703 is fixedly connected with the top end inside the fixed cylinder 701.

[0038] Further, as shown in Figure 2 and Figure 4 , the speed controller 501 is located at the front end of the gear 601, the rear end of the speed controller 501 is provided with the knob 502, the knob 502 for speed adjustment on the speed controller 501 is located at the rear end of the speed controller 501, the inside of the gear 601 is provided with a mounting port, the knob 502 is fixedly connected with the inside of the mounting port, the speed controller 501 is electrically connected with the centrifugal pump 201, by rotating the knob 502 on the speed controller 501, the rotating speed of the centrifugal pump 201 is adjusted.

[0039] Embodiment 2

[0040] The energy-saving cold water pump provided in embodiment 1 is further optimized, specifically, as shown in Figure 2 and Figure 7 , the disassembly assembly 4 includes two disassembly plates 401 located at the rear end of the speed controller 501 respectively, the disassembly plates 401 are fixedly connected with the mounting block 202, the inside of the mounting groove 402 of one side of the disassembly plate 401 is slidingly provided with a connecting block 403, by moving the connecting block 403 to one side, the connecting block 403 is separated from the inside of the mounting groove 402, the front end of the connecting block 403 is fixedly connected with the speed controller 501.

[0041] Further, as shown in Figure 7As shown, the fixing member includes a bolt 404 at the top end of the dismounting plate 401, the top end of the two dismounting plates 401 is provided with the bolt 404, the bottom end of the bolt 404 penetrates through the dismounting plate 401 and the connecting block 403, the bolt 404 is inserted into the socket on the connecting block 403 and the dismounting plate 401, so that the connecting block 403 is fixed in the mounting groove 402, and the top end of the bolt 404 is fixedly provided with a handle.

[0042] Embodiment 3

[0043] The energy-saving cold water pump provided in Embodiment 1 and Embodiment 2 is further optimized, as shown in Figure 2 and Figure 3 As shown, the limiting assembly 3 includes a fixed plate 301 on the side of the rack 602 away from the gear 601, the fixed plate 301 is fixedly connected with the mounting block 202, a communication plate 302 is used for being connected with the rolling member, the front end of the fixed plate 301 is fixedly provided with the communication plate 302, the front end of the communication plate 302 is fixedly provided with a limiting plate 303 in sliding connection with the rack 602, and the rack 602 is more stable in movement through the limiting plate 303.

[0044] Further, as shown in Figure 2 and Figure 3 A plurality of communication grooves 304 are formed in the communication plate 302, the rolling member includes a plurality of rolling wheels 305 located in the communication grooves 304 respectively, the communication grooves 304 are provided with the rolling wheels 305 respectively, and the rolling wheels 305 are rotatably connected between the fixed plate 301 and the limiting plate 303. The rolling wheels 305 are in contact with the rack 602, the rack 602 does not need to rub on the side of the communication plate 302 in movement, the rolling wheels 305 roll along with the rack 602, and thus the friction of the rack 602 in movement is reduced.

[0045] Further, as shown in Figure 5 and Figure 6 The bottom end and the top end of the fixed cylinder 701 are provided with inclined surfaces respectively, the inclined surface at the top end is used for preventing scale accumulation, and the inclined surface at the bottom end is used for assisting water flow to flow to one side of the fixed cylinder 701 through the inclined surface, so that the influence of the fixed cylinder 701 and the piston 702 on water flow is reduced.

[0046] The use process of the energy-saving cold water pump is as follows:

[0047] When the water flow speed is relatively fast, the piston 702, the sliding block 604, the transmission rod 603 and the rack 602 are driven to move upwards through the impact force of the water flow, so that the gear 601 engaged with the rack 602 is driven to rotate, the knob 502 is rotated, and the rotation of the centrifugal pump 201 is slowed down through the speed controller 501;

[0048] When the water flow is slow, the spring 703 drives the slider 604 and the piston 702 to move downward, so that the knob 502 is rotated through the gear 601 and the rack 602, thereby controlling the centrifugal pump 201 to increase the output power through the speed control device 501.

[0049] When the speed control device 501 needs to be disassembled for replacement or maintenance, the plug 404 is pulled out from the inside of the connecting block 403 and the dismounting plate 401 through the handle, then the speed control device 501 is pushed to one side for a distance, so that the connecting block 403 is separated from the inside of the mounting groove 402, and the gear 601 is separated from the rack 602, thereby disassembling the speed control device 501.

[0050] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. An energy-saving chilled water pump, characterized in that, The device includes an installation pipe (1), a centrifugal pump (201) at the bottom end of the installation pipe (1), an installation block (202) fixedly installed on one side of the installation pipe (1), a sliding component (7) inside the installation pipe (1), an elastic element inside the sliding component (7), a transmission component (6) on one side of the installation block (202), a limiting component (3) on one side of the transmission component (6), a plurality of rolling elements inside the limiting component (3), a speed controller (501) at the front end of the limiting component (3), a disassembly component (4) on both sides of the speed controller (501), and a fixing element inside the disassembly component (4).

2. The energy-saving chilled water pump according to claim 1, characterized in that, The sliding assembly (7) includes a fixed cylinder (701) fixed to the inner wall of the mounting tube (1), and a piston (702) is slidably provided inside the fixed cylinder (701).

3. The energy-saving chilled water pump according to claim 2, characterized in that, The transmission assembly (6) includes a slider (604) fixed to the top of the piston (702). A connecting groove is provided on one side of the fixed cylinder (701), one side of the mounting tube (1), and one side of the mounting block (202). The three connecting grooves are provided with the same transmission rod (603). One end of the transmission rod (603) is fixedly connected to one side of the slider (604), and the other end of the transmission rod (603) is fixedly provided with a rack (602). A gear (601) meshes with one side of the rack (602).

4. The energy-saving chilled water pump according to claim 3, characterized in that, The elastic element includes a spring (703) fixed to the top of the slider (604), and the top of the spring (703) is fixedly connected to the top of the inside of the fixed cylinder (701).

5. An energy-saving chilled water pump according to claim 4, characterized in that, The speed controller (501) is located at the front end of the gear (601), and a knob (502) is provided at the rear end of the speed controller (501). An installation port is provided inside the gear (601), and the knob (502) is fixedly connected to the inside of the installation port.

6. An energy-saving chilled water pump according to claim 5, characterized in that, The disassembly assembly (4) includes two disassembly plates (401) located on both sides of the rear end of the speed controller (501). The disassembly plates (401) are fixedly connected to the mounting block (202). Each side of the disassembly plate (401) is provided with a mounting groove (402). A connecting block (403) is slidably provided inside the mounting groove (402). The front end of the connecting block (403) is fixedly connected to the speed controller (501).

7. An energy-saving chilled water pump according to claim 6, characterized in that, The fastener includes a pin (404) located at the top of the disassembly plate (401), the bottom end of the pin (404) passing through the disassembly plate (401) and the connecting block (403), and a handle fixedly provided at the top of the pin (404).

8. An energy-saving chilled water pump according to claim 7, characterized in that, The limiting component (3) includes a fixing plate (301) located on the side of the rack (602) away from the gear (601). The fixing plate (301) is fixedly connected to the mounting block (202). A connecting plate (302) is fixedly provided at the front end of the fixing plate (301). A limiting plate (303) that is slidably connected to the rack (602) is fixedly provided at the front end of the connecting plate (302).

9. An energy-saving chilled water pump according to claim 8, characterized in that, The connecting plate (302) has a plurality of connecting grooves (304), and the rolling element includes a plurality of rollers (305) located inside the connecting grooves (304). The rollers (305) are rotatably connected between the fixed plate (301) and the limiting plate (303), and the rollers (305) are in contact with the rack (602).

10. An energy-saving chilled water pump according to claim 9, characterized in that, The bottom and top of the fixed cylinder (701) are both provided with inclined surfaces.

Images