An easy-to-disassemble lifting device

Abstract

This utility model relates to an easily detachable lifting device. The lifting device includes a housing assembly, a housing cover assembly mounted on the housing assembly, and a pump assembly. The housing assembly includes a sewage tank, a drain pipe mounted on the sewage tank, and a sewage inlet. The housing assembly includes an elastic block and a mounting base fixed to the sewage tank. The mounting base includes a sliding groove and a drain outlet communicating with the sliding groove. The elastic block is detachably mounted on the sliding groove and has a through-hole that communicates with the drain outlet. The pump assembly is slidably connected to the sliding groove and elastically compressed and sealed with the elastic block. The drain chamber of the pump assembly communicates with the through-hole. The drain pipe and the pump assembly are elastically connected via the elastic block, creating a flexible and movable connection, avoiding the technical problem of difficult disassembly and assembly caused by using multiple fasteners to lock the pump assembly.

Description

Technical Field

[0001] This utility model relates to the field of lifting device technology, and in particular to an easy-to-disassemble lifting device. Background Technology

[0002] A sewage lifting device, as a pumping unit for lifting and discharging sewage, can temporarily store sewage and quickly discharge it after reaching a preset capacity. For example, the publication document CN120083290A provides a sewage lifting device, which includes a sewage container with an upper opening and an integrated cover. The integrated cover covers the upper opening of the sewage container. A toilet inlet is provided on one side of the upper end of the sewage container, and a domestic wastewater inlet is provided on at least one side of the lower end of the sewage container. The integrated cover includes an upper container, a cover, a pulverizing and discharging device, a circuit board, and a liquid level sensor. The upper container is located at the upper opening of the sewage container, and the cover covers the upper container. The pulverizing and discharging device is located inside the upper container, and its working end extends into the sewage container. The circuit board is located in the upper container and the cover, and is connected to the pulverizing and discharging device and the liquid level sensor, respectively. The pulverizing and discharging device is connected to a discharge pipe, and the cover is provided with an inlet connected to the discharge pipe.

[0003] The lifting unit operates in a sewage environment, and the pulverizing and discharging device can cut and pulverize hard objects contained in the sewage to prevent problems such as blockage of the sewage pipe. The pulverizing and discharging device requires regular inspection and maintenance. However, the pulverizing and discharging device and the sewage pipe are connected by fasteners, and each disassembly and assembly requires the removal of both the pulverizing and discharging device and the sewage pipe, which presents a technical problem of high disassembly and assembly difficulty, and therefore needs to be improved. Utility Model Content

[0004] To overcome the problems existing in the related technologies, this utility model provides an easy-to-disassemble lifting device to solve the technical problem of the difficulty in disassembling and assembling the crushing and sewage discharge device and the sewage discharge pipe.

[0005] According to a first aspect of the present utility model, an easy-to-disassemble lifting device is provided. The lifting device includes a housing assembly, a housing cover assembly and a pump assembly installed on the housing assembly. The housing assembly includes a sewage tank, a drain pipe and a sewage inlet installed on the sewage tank. The housing assembly includes an elastic block and a mounting base fixed to the sewage tank. The mounting base includes a sliding groove and a drain outlet communicating with the sliding groove. The elastic block is detachably installed in the sliding groove. The elastic block is provided with a through guide hole, which communicates with the drain outlet. The pump body assembly is slidably connected to the sliding groove and is elastically squeezed and sealed with the elastic block. The drain chamber of the pump body assembly communicates with the guide hole.

[0006] In one embodiment, the pump body assembly includes a pump base and a pump body mounted on the pump base. The pump base includes an output pipe and a flange ring located at the end of the output pipe. The flange ring is slidably connected to the sliding groove and is compression-sealed to the elastic block.

[0007] In one embodiment, the flange ring has an inclined compression surface, the elastic block has a wedge-shaped surface, and the compression surface and the wedge-shaped surface are compression-sealed together.

[0008] In one embodiment, the pump base includes a drain chamber and a water inlet communicating with the drain chamber. The pump body assembly includes a cutter head seat mounted on the water inlet and a movable blade mounted on the pump body. The movable blade is attached to the cutter head seat, and the cutter head seat has multiple cutting holes.

[0009] In one embodiment, the pump body assembly further includes a support seat mounted on the housing assembly, the support seat supporting the pump base.

[0010] In one embodiment, the housing assembly further includes a snap-fit ​​component that snaps onto the mounting base, the snap-fit ​​component pushing the elastic block against the sliding groove.

[0011] In one embodiment, the snap-fit ​​assembly includes an abutment and a locking member, the abutment being sleeved on the mounting base and abutting against the end of the elastic block, and the locking member lockingly connecting the abutment and the locking member.

[0012] In one embodiment, the abutting member includes a clamping portion and an abutting surface protruding from one side of the clamping portion, wherein the clamping portion and the abutting surface have inclined reinforcing ribs, and the abutting surface abuts against the elastic member.

[0013] In one embodiment, the cover assembly includes an upper cover body and a panel detachably mounted on the upper cover body. The upper cover body has an electrical groove and a pump body groove, and the pump body assembly is plugged into the pump body groove.

[0014] In one embodiment, the lifter further includes a control component mounted on the electrical tank, the control component including a level detector.

[0015] The technical solution provided by the embodiments of this utility model can include the following beneficial effects: the drainage pipe and the pump body assembly are elastically connected by an elastic block, forming a flexible movable connection, avoiding the technical problem of difficult disassembly and assembly caused by using multiple fasteners to lock the pump body assembly. The mounting base defines the elastic block and guides the assembly of the pump body assembly, resulting in high assembly accuracy and enabling rapid disassembly and assembly of the pump body assembly. The pump body assembly, the guide hole, and the drain outlet are connected sequentially, resulting in good disassembly and connection performance. Attached Figure Description

[0016] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0017] Figure 1 This is a schematic diagram of the structure of the lifter according to one embodiment.

[0018] Figure 2 This is a schematic diagram of the exploded structure of the elevator according to one embodiment.

[0019] Figure 3 This is an exploded structural schematic diagram of the pump body assembly and mounting base according to one embodiment.

[0020] Figure 4 This is a schematic cross-sectional view of the lifter at the pump body assembly according to one embodiment.

[0021] Figure 5 This is a cross-sectional schematic diagram of the lift according to one embodiment.

[0022] Figure 6 This is a schematic diagram of the pump body assembly according to one embodiment.

[0023] In the figure, the components are: 10 (box assembly); 11 (sewage inlet); 12 (drainage pipe); 13 (sewage tank); 14 (mounting base); 141 (drain outlet); 142 (sliding groove); 143 (mounting rib); 15 (elastic block); 151 (guide hole); 152 (wedge surface); 16 (clamping assembly); 161 (abutment part); 162 (abutment surface); 163 (reinforcing rib); 164 (clamping part); 20 (box cover assembly); 21 (upper cover body); 211 (pump body groove); 212 (electrical groove); 22 (panel panel); 30 (pump body assembly); 31 (pump body); 311 (impeller); 32 (pump base); 321 (drainage chamber); 322 (inlet); 33 (output pipe); 34 (flange ring); 341 (extruded surface); 35 (cutter disc seat); 351 (cutting hole); 36 (moving blade); 37 (support base); 40 (control assembly); and 41 (liquid level detector). Detailed Implementation

[0024] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the present invention. It is understandable that some well-known structures and their descriptions may be omitted in the drawings for those skilled in the art.

[0025] like Figures 1 to 3 As shown, this utility model provides an easy-to-disassemble lifting device. The lifting device includes a box assembly 10, a box cover assembly 20 installed on the box assembly 10, and a pump assembly 30. The box assembly 10 is a thin-walled container structure that can hold sewage. The box cover assembly 20 covers the opening of the box assembly 10.

[0026] The tank assembly 10 includes a sewage tank 13, a drain pipe 12 installed in the sewage tank 13, and a sewage inlet 11. The outlet end of the drain pipe 12 is installed in the tank cover assembly 20 and is used to connect to the municipal drainage system to discharge sewage that has been pumped by the pump assembly 30. The sewage inlet 11 is located on one side of the sewage tank 13 and is used to connect to facilities such as toilets and sinks.

[0027] The pump body assembly 30 is assembled to the tank assembly 10 along the tank cover assembly 20. The tank assembly 10 includes an elastic block 15 and a mounting base 14 fixed to the sewage tank 13. The mounting base 14 protrudes from the bottom wall of the sewage tank 13 to form a boss mounting structure. The mounting base 14 includes a sliding groove 142 and a drain outlet 141 communicating with the sliding groove 142. The sliding groove 142 is parallel to the sliding direction of the pump body assembly 30. The drain outlet 141 penetrates the groove wall of the sliding groove 142, and one end of the drain pipe 12 is installed on the mounting base 14 and communicates with the drain outlet 141.

[0028] The elastic block 15 is made of rubber material and has good elasticity and sealing performance. The elastic block 15 is detachably installed in the sliding groove 142 and near one end of the drain outlet 141. After the elastic block 15 is installed in place, the guide hole 151 of the elastic block 15 overlaps and communicates with the drain outlet 141 of the mounting base 14 at least partially, thereby allowing sewage to flow.

[0029] The pump body assembly 30 is slidably connected to the mounting base 14 along the sliding groove 142, thereby enabling directional assembly. Preferably, the mounting base 14 has a U-shaped mounting rib 143 in its transverse cross-section, and the sliding groove 142 is formed in the bending area of ​​the mounting rib 143. The elastic block 15 is installed in the sliding groove 142. During the movement of the pump body assembly 30, it is laterally elastically squeezed and sealed with the elastic block 15, thereby connecting the drainage chamber 321 of the pump body assembly 30 with the guide hole 151. The drainage chamber 321 of the pump body assembly 30 contains an impeller 311, which can discharge sewage through the guide hole 151 and the drainage pipe 12. The drainage pipe 12 and the pump body assembly 30 are elastically connected by the elastic block 15, forming a flexible movable connection and avoiding the technical problem of difficult disassembly and assembly caused by using multiple fasteners to lock the pump body assembly 30.

[0030] The mounting base 14 defines the elastic block 15 and guides the assembly of the pump body assembly 30, ensuring high assembly precision and enabling rapid assembly and disassembly of the pump body assembly 30. The pump body assembly 30, drainage chamber 321, guide hole 151, drainage outlet 141, and drainage pipe 12 are sequentially connected, resulting in good assembly and disassembly connectivity.

[0031] Optionally, the mounting base 14 is fixed to the inner wall of the sewage tank 13 by bolts. The lower part of the sliding groove 142 is closed, and the top part of the sliding groove 142 is open to facilitate the sliding insertion and removal of the elastic block 15 and the pump assembly 30. A drain port 141 communicating with the sliding groove 142 is provided at the mounting rib 143 of the mounting base 14. The mounting base 14 and the drain pipe 12 are locked together by fasteners to achieve a fixed connection between the two.

[0032] The elastic block 15 has a through-hole 151 in the middle, and the axis of the through-hole 151 coincides with the axis of the drain outlet 141, ensuring that sewage can flow smoothly from the through-hole 151 into the drain outlet 141. The side of the elastic block 15 away from the drain outlet 141 is provided with a wedge-shaped surface 152, which is used to achieve lateral compression and tight fit with the pump body assembly 30, thereby enabling quick assembly and disassembly.

[0033] like Figures 2 to 4 As shown, the pump body assembly 30 is the power component of the lift, which can pump the sewage inside the housing assembly 10. The pump body assembly 30 includes a pump base 32 and a pump body 31 mounted on the pump base 32. The pump body 31 is bolted to the top of the pump base 32. The pump base 32 has a drainage chamber 321 inside. The output shaft of the pump body 31 extends into the drainage chamber 321 of the pump base 32, and an impeller 311 is mounted on the output shaft.

[0034] The pump base 32 has an inlet 322 on one side of the drainage chamber 321 that communicates with the outside, and an outlet pipe 33 on the other side of the pump base 32. The outlet pipe 33 is connected to the drainage chamber 321 to guide the sewage to be discharged in a specific direction.

[0035] A flange ring 34 is integrally formed at the end of the output pipe 33 away from the pump base 32. The outer diameter of the flange ring 34 is adapted to the inner diameter of the sliding groove 142, allowing the flange ring 34 to slide smoothly along the sliding groove 142, thereby locking the flange ring 34 into the sliding groove 142. The flange ring 34 is located at the end of the output pipe 33, and the flange ring 34 and the sliding groove 142 are slidably connected. The flange ring 34 and the elastic block 15 are pressed and sealed together.

[0036] The flange ring 34 has an inclined extrusion surface 341 on the side facing the elastic block 15. The inclination angle of the extrusion surface 341 is the same as the inclination angle of the wedge surface 152 of the elastic block 15. When the pump body assembly 30 is inserted into the sliding groove 142, the extrusion surface 341 and the wedge surface 152 are tightly attached and extruded, causing the elastic block 15 to undergo elastic deformation, thereby achieving a sealed connection between the two.

[0037] like Figures 2 to 6As shown, the pump body assembly 30 further includes a cutter head seat 35 mounted at the inlet 322 and a movable blade 36 mounted on the pump body 31. The movable blade 36 is fitted to the cutter head seat 35, which has multiple cutting holes 351. The cutter head seat 35 is bolted to the inlet 322 of the pump base 32, and the cutting holes 351 are used to guide sewage into the drainage chamber 321. The movable blade 36 is mounted on the output shaft of the pump body 31, and the cutting edge of the movable blade 36 is fitted to the surface of the cutter head seat 35. When the pump body 31 is running, the output shaft drives the movable blade 36 to rotate at high speed, and the movable blade 36 cooperates with the cutter head seat 35 to cut and crush hard impurities entering the cutting holes 351.

[0038] The pump body assembly 30 also includes a support base 37 mounted on the tank assembly 10, which supports the pump base 32. The support base 37 is located in the extension direction of the sliding assembly of the pump body assembly 30 and is bolted to the bottom of the sewage tank 13. The top of the support base 37 has a support surface adapted to the bottom of the pump base 32, and a through hole is formed at the support surface, aligned with the inlet 322 to expose the inlet 322 inside the sewage tank 13. The pump base 32 is placed on the support base 37, which supports the pump body assembly 30, enhancing the stability of the pump body assembly 30 after installation, reducing vibration transmission during operation, and increasing the overhead space between the inlet 322 and the bottom of the tank assembly 10.

[0039] In one embodiment, the snap-fit ​​assembly 16 is mounted on the mounting base 14 and is used to fix the position of the elastic block 15. Specifically, the snap-fit ​​assembly 16 snaps into the top of the mounting rib 143 and presses it toward the top of the elastic block 15. After the snap-fit ​​assembly 16 pushes the elastic block 15 against the sliding groove 142, it locks in place.

[0040] Specifically, the snap-fit ​​assembly 16 includes an abutment 161 and a locking member. The abutment 161 can slide along the mounting rib 143 and can press against the elastic block 15 to further improve the compression sealing effect between the elastic block 15 and the flange ring 34. The locking member adopts a bolt structure. After the elastic block 15 is pushed tightly against the bottom of the sliding groove 142 by the abutment 161, the locking member passes through the clamping part of the abutment 161 and is threadedly connected to the threaded hole on the mounting base 14, thereby locking and fixing the abutment 161 to the mounting base 14 and preventing the elastic block 15 from shifting.

[0041] The abutment member 161 includes a clamping portion 164 adapted to the outer wall of the mounting base 14 and an abutment surface 162 protruding from one side of the clamping portion 164. The clamping portion 164 has a groove structure and covers the mounting rib 143 so that the mounting rib 143 and the clamping portion 164 are connected by an insertion fit. Preferably, the clamping portion 164 has a U-shaped groove structure adapted to the mounting rib 143. The clamping portion 164 is sleeved on the end of the mounting base 14, and the abutment surface 162 abuts tightly against the end of the elastic block 15. To further enhance the structural strength of the abutment member 161, multiple inclined reinforcing ribs 163 are provided between the clamping portion 164 and the abutment surface 162. For example, the reinforcing ribs 163 are set to two, three, or four. The reinforcing ribs 163, the clamping portion 164, and the abutment surface 162 are integrally formed, which not only facilitates assembly but also improves the pressing stability.

[0042] Accordingly, the installation process of the pump body assembly 30 is as follows: The elastic block 15 is placed into the sliding groove 142 of the mounting base 14, aligning the guide hole 151 of the elastic block 15 with the drain outlet 141 of the mounting base 14; then, the abutment 161 is fitted onto the end of the mounting base 14, and the abutment 161 is locked to the mounting base 14 by the locking member, so that the abutment surface 162 of the abutment 161 is tightly against the end of the elastic block 15, completing the installation of the elastic block 15; next, the flange ring 34 of the pump body assembly 30 is aligned with the opening end of the sliding groove 142, and pushed into the pump body assembly 30 along the sliding groove 142 until the pressing surface 341 of the flange ring 34 and the wedge-shaped surface 152 of the elastic block 15 are tightly pressed together, forming a compression. At this time, the bottom of the pump base 32 is precisely placed on the support base 37; finally, the cover assembly 20 is closed, allowing the top of the pump body 31 to be inserted into the pump body groove 211 of the upper cover body 21, completing the installation of the entire device.

[0043] like Figure 1 , Figure 2 and Figure 5 As shown, the cover assembly 20 covers the opening of the tank assembly 10. The cover assembly 20 includes an upper cover body 21 and a panel 22. The upper cover body 21 is locked to the top of the sewage tank 13 by fasteners; or, the upper cover body 21 is inserted and fastened to the top of the sewage tank 13, which enables the tank assembly 10 to be opened or closed.

[0044] The main body 21 of the upper cover has an electrical groove 212 and a pump groove 211 that are separated. The electrical groove 212 is used to install the control component 40. The control component 40 includes a controller, a liquid level detector 41 and an operation button. The controller is installed inside the electrical groove 212. The liquid level detector 41 is a float-type liquid level switch. The liquid level detector 41 is installed inside the sewage tank 13 by a bracket and is electrically connected to the controller to detect the sewage level in the sewage tank 13 in real time.

[0045] The operation buttons are located on the surface of panel 22 and electrically connected to the controller, including a start button, a stop button, and an emergency stop button, facilitating manual operation of the equipment by staff. When the sewage level reaches the set upper limit, the level detector 41 sends a signal to the controller, which then controls the pump body 31 to start automatically. The pump body 31 drives the moving blade 36 to rotate at high speed. When impurities in the sewage pass through the cutting hole 351 of the cutter head seat 35, the rotating moving blade 36 cooperates with the cutter head seat 35 to cut and crush them. The crushed sewage enters the drainage chamber 321 of the pump base 32, flows through the output pipe 33 into the guide hole 151 of the elastic block 15, and then is discharged into the municipal drainage system through the drainage port 141 of the mounting base 14 and the drainage pipe 12. When the sewage level drops to the set lower limit, the controller controls the pump body 31 to stop automatically, realizing the automatic operation of the equipment.

[0046] Panel 22 is detachably installed on the top of the main body 21. Panel 22 can cover the electrical channel 212, making it convenient for staff to remove panel 22 and inspect and maintain the control components 40 inside the electrical channel 212.

[0047] The pump body assembly 30 can be disassembled and moved through the pump body groove 211. The shape of the pump body groove 211 is adapted to the top of the pump body 31. The top of the pump body 31 is inserted into the pump body groove 211, realizing the plug-in connection between the pump body assembly 30 and the cover assembly 20, further improving the installation stability of the pump body assembly 30.

[0048] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of this application and include common knowledge or customary technical means in the art that are not disclosed in this invention.

Claims

1. An easily detachable lifting device, comprising a housing assembly, a housing cover assembly mounted on the housing assembly, and a pump assembly, wherein the housing assembly includes a sewage tank, a drain pipe mounted on the sewage tank, and a sewage inlet, characterized in that, The tank assembly includes an elastic block and a mounting base fixed to the sewage tank; The mounting base includes a sliding groove and a drain outlet communicating with the sliding groove. The elastic block is detachably installed in the sliding groove. The elastic block is provided with a through guide hole, which communicates with the drain outlet. The pump body assembly is slidably connected to the sliding groove and is elastically squeezed and sealed with the elastic block. The drain chamber of the pump body assembly communicates with the guide hole.

2. The easily detachable lifting device according to claim 1, characterized in that, The pump body assembly includes a pump base and a pump body mounted on the pump base. The pump base includes an output pipe and a flange ring located at the end of the output pipe. The flange ring and the sliding groove are slidably connected, and the flange ring and the elastic block are squeezed and sealed together.

3. The easily detachable lifting device according to claim 2, characterized in that, The flange ring has an inclined extrusion surface, and the elastic block has a wedge-shaped surface, and the extrusion surface and the wedge-shaped surface are extruded and sealed together.

4. The easily detachable lifting device according to claim 2, characterized in that, The pump base includes a drain chamber and a water inlet communicating with the drain chamber. The pump body assembly includes a cutter head seat installed at the water inlet and a moving blade installed on the pump body. The moving blade is attached to the cutter head seat, and the cutter head seat has multiple cutting holes.

5. The easily detachable lifting device according to claim 2, characterized in that, The pump body assembly also includes a support base installed on the housing assembly, the support base supporting the pump base.

6. The easily detachable lifting device according to claim 1, characterized in that, The housing assembly also includes a snap-fit ​​component that snaps into the mounting base, the snap-fit ​​component pushing the elastic block against the sliding groove.

7. The easily detachable lifting device according to claim 6, characterized in that, The snap-fit ​​assembly includes an abutment and a locking member. The abutment is sleeved on the mounting base and abuts against the end of the elastic block. The locking member locks the abutment and the locking member together.

8. The easily detachable lifting device according to claim 7, characterized in that, The abutting member includes a clamping portion and an abutting surface protruding from one side of the clamping portion. There are multiple inclined reinforcing ribs between the clamping portion and the abutting surface, and the abutting surface abuts against the elastic member.

9. The easily detachable lifting device according to claim 1, characterized in that, The cover assembly includes an upper cover body and a panel detachably mounted on the upper cover body. The upper cover body has an electrical groove and a pump body groove, and the pump body assembly is plugged into the pump body groove.

10. The easily detachable lifting device according to claim 9, characterized in that, The lift also includes a control component installed in the electrical tank, the control component including a level detector.

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