Novel cup washing machine

Abstract

The utility model relates to a novel cup washing machine which comprises a main shell, an upper cover, a water conveying mechanism, a washing box, a spray head installation shaft and a spray head, the upper cover is installed above the main shell, a water inlet and a water outlet are formed in one side of the main shell, the water conveying mechanism is installed inside the main shell, the washing box is installed above the main shell, and the upper cover covers the washing box to form a washing space. The spray head mounting shaft extends out of the cleaning box, the spray head is mounted above the spray head mounting shaft, a water channel is arranged in the spray head mounting shaft, a water spraying chamber is arranged in the spray head, and the water channel is communicated with the water spraying chamber. In the working process, the water conveying mechanism drives external water to enter from the water inlet and then pass through the water channel and the water spraying cavity, finally, the water is sprayed out of the spraying head into the washing space to wash cups, the cups can be rapidly washed, the washed water is discharged in time through the water outlet, secondary pollution to the cups is avoided, the cups are washed cleanly, and the requirements of consumers are met.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, in particular to a novel cup washing machine. Background Art

[0002] On the market, appliances used to clean cups such as teacups, water cups, teapots, and kettles are called teacup washers. Traditional teacup washers can only spray water or soak in a water bath, which cannot effectively clean the tea residue at the bottom of the cup, and the cleaning effect is average. However, with the development of technology, in recent years, washers that can better clean cups by placing the teacups upside down have emerged. For example, the Chinese invention patent application: Application No. 202211462345.X discloses a teacup washer that sprays water from a nozzle below to clean the teacups, achieving a good cleaning effect. However, the disadvantages are: first, the cleaning cleanliness of the cleaning machine is insufficient, and the structure of the nozzle part is complicated. It needs to rely on the power output of the rotary drive motor to rotate. The installation of the motor not only occupies the installation space of other parts of the cleaning machine but also consumes electricity; second, the cleaning tank of the cleaning machine used for temporary water storage and tea residue storage cannot be disassembled. During the cleaning process, tea leaves and tea residue fall into the cleaning tank. Over time, more and more tea residues fall into the cleaning tank. The user can only take out the tea residue by hand, and cannot remove the cleaning tank separately for cleaning, which is very inconvenient; third, the lifting structure design of the nozzle is not simple. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the present invention provides a new cup washing machine, and the specific technical solutions are as follows:

[0004] A new cup washing machine includes a main shell and an upper cover. The upper cover is installed above the main shell, and also includes a water delivery mechanism, a cleaning box, a nozzle mounting shaft and a nozzle. A water inlet and a water outlet are provided on one side of the main shell. The water delivery mechanism is installed inside the main shell. The cleaning box is installed above the main shell. The upper cover covers the cleaning box to form a washing space. The nozzle mounting shaft extends from the cleaning box. The nozzle is installed above the nozzle mounting shaft. A water channel is provided inside the nozzle mounting shaft. A water spray chamber is provided inside the nozzle. The water channel is connected to the water spray chamber. The water delivery mechanism drives external water to enter from the water inlet and finally reach the nozzle. The nozzle sprays water into the washing space.

[0005] As a preferred solution of the present invention, a rebound surface is provided on the rear side of the water spray chamber, a water spray groove is provided on the outside of the rotating nozzle, the front side of the water spray chamber is connected to the water spray groove, and a turning groove is provided at the end of the water spray groove. Water impacts the inner wall of the turning groove to cause the rotating nozzle to rotate.

[0006] As a preferred embodiment of the present utility model, the turning groove turns in a clockwise or counterclockwise direction. The shape of the turning groove is an arc groove or an inclined groove, the water spraying groove is a straight groove, the center line of the turning groove forms an inclination angle with the center line of the water spraying groove, and the rebounding surface is an arc surface or an inclined surface.

[0007] As a preferred embodiment of the present utility model, a convex step is provided at the upper end of the nozzle mounting shaft. The convex step is installed inside the nozzle, the outer diameter of the convex step is larger than the outer diameter of the main body of the nozzle mounting shaft, a bearing is sleeved on the outer peripheral side of the nozzle mounting shaft main body, the bearing is installed in the bearing mounting cavity of the nozzle, and the bearing mounting cavity is located below the water spraying cavity.

[0008] As a preferred embodiment of the present utility model, the main housing includes an outer shell and an inner fixing seat. The inner fixing seat is installed inside the outer shell, a cleaning box is installed above the inner fixing seat. The inner fixing seat is provided with a positioning step, the cleaning box is provided with a positioning flange corresponding to the position of the positioning step, the inner fixing seat is provided with a positioning convex column, and the cleaning box is provided with a positioning hole corresponding to the position of the positioning convex column. When the cleaning box is installed on the inner fixing seat, the positioning convex column is inserted into the positioning hole, and the positioning flange is placed on the positioning step. A cup holder is installed in the cleaning box, and the nozzle mounting shaft extends out from the positioning convex column.

[0009] As a preferred embodiment of the present utility model, the cup holder includes a bottom plate, an outer peripheral grid plate, an inner column body and a cup placing plate. The outer peripheral grid plate and the inner column body are connected above the bottom plate. The outer peripheral grid plate is located on the outside and is provided with a plurality of grids. The inner column body is located on the inside. One end of the cup placing plate is connected to the outer peripheral grid plate and the other end is connected to the inner column body. There are multiple cup placing plates which are distributed around the central axis of the inner column body. The cups are placed on the multiple cup placing plates with their openings facing downwards.

[0010] As a preferred embodiment of the present utility model, a fixing column is provided inside the positioning convex column. The lower part of the nozzle mounting shaft penetrates into the fixing column. A plurality of card slots are set on the outer side of the nozzle mounting shaft, and the plurality of card slots are arranged along the axial direction of the nozzle mounting shaft. An elastic clamping member is installed in the fixing column. When the nozzle mounting shaft moves up and down, the elastic clamping member is clamped into different card slots to adjust the height of the nozzle.

[0011] As a preferred embodiment of the present utility model, the elastic clamping member includes a main body part, a clamping plate part and a hook-back part. The main body part is embedded into the fixing column. A clamping plate part is connected to each of the left and right sides of the main body part. The inner side of the clamping plate part extends into the mounting hole to clamp the card slot, and the end of the clamping plate part is connected to the hook-back part.

[0012] As a preferred embodiment of the present utility model, the top view cross-sectional shape of the elastic clamping member is circular, the left and right hook-back parts extend towards the center line and form an opening therebetween. The cross-sectional shape of the main body part is U-shaped, the bottom of the main body part is offset from the clamping plate part, and the inner side surface of the clamping plate part is an arc surface.

[0013] As a preferred solution of the present invention, the water delivery mechanism includes a water pump, a water pump inlet pipe, a water pump outlet pipe, a water inlet pipe, a water outlet pipe and a nozzle delivery pipe. There are multiple water pumps, and the number of water pump inlet pipes and water pump outlet pipes corresponds to the number of water pumps. The water inlet is connected to the water inlet pipe, the water inlet pipe is connected to multiple water pump inlet pipes, one water pump inlet pipe is connected to the inlet of a water pump, one water pump outlet pipe is connected to the outlet of a water pump, multiple water pump outlet pipes are connected to the water outlet pipe, the water outlet pipe is connected to the nozzle delivery pipe, and the nozzle delivery pipe delivers water to the nozzle mounting shaft.

[0014] Beneficial effects: The cup washing machine of the utility model has a reasonable structural design. When working, the water delivery mechanism drives external water to enter from the water inlet, and then through the water channel and the water spray chamber, the water is finally sprayed out from the nozzle to the washing space to wash the cups, which can quickly clean the cups. In addition, the nozzle adopts a self-spinning structure, which can rotate by the impact of water without the need to install a motor. The structure is ingenious, and the water after washing is discharged through the water outlet in time, which will not cause secondary pollution to the cups. The cups are rinsed cleanly to meet the needs of consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0016] Figure 2 This is an exploded view of the utility model after the mother hidden cover;

[0017] Figure 3 It is an overall cross-sectional view of the utility model;

[0018] Figure 4 This is a cross-sectional view of the nozzle of the utility model;

[0019] Figure 5 This is a schematic diagram of the nozzle turning groove of the utility model;

[0020] Figure 6 This is an exploded view of the nozzle of the present invention;

[0021] Figure 7 It is a three-dimensional diagram of the cleaning box of the present utility model;

[0022] Figure 8 This is a three-dimensional diagram of the cup holder of the present invention;

[0023] Figure 9 This is a three-dimensional diagram of the cup holder and the cleaning box of the utility model;

[0024] Figure 10 This is a cross-sectional view of the cup holder and the cleaning box of the utility model;

[0025] Figure 11 It is a three-dimensional diagram of the nozzle and the nozzle mounting shaft of the utility model;

[0026] Figure 12 It is a three-dimensional diagram of the elastic engaging member of the utility model;

[0027] Figure 13 It is a top view of the elastic engaging member of the utility model;

[0028] Figure 14 It is a side view of the elastic engaging member of the utility model;

[0029] Figure 15 It is a three-dimensional diagram of the present invention viewed from the bottom;

[0030] Figure 16 It is a three-dimensional diagram of the water delivery mechanism of the present utility model. DETAILED DESCRIPTION

[0031] The following is a further description of the specific embodiments of the present invention with reference to the accompanying drawings:

[0032] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships described in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0034] like Figures 1 to 3The present invention relates to a new type of cup washing machine, comprising a main shell 1 and an upper cover 2. The upper cover 2 is installed above the main shell 1. The cup washing machine also includes a water delivery mechanism 3, a cleaning box 4, a nozzle mounting shaft 5 and a nozzle 6. A water inlet 7 and a water outlet 8 are provided on one side of the main shell 1. The water delivery mechanism 3 is installed inside the main shell 1. The cleaning box 4 is installed above the main shell 1. The upper cover 2 covers the cleaning box 4 to form a washing space 9. The upper cover 2 can be rotated to open so that the cups can be put in or taken out. The cups are placed in the washing space 9. The nozzle mounting shaft 5 extends from the cleaning box 4. The nozzle 6 is installed above the nozzle mounting shaft 5. The nozzle mounting shaft 5 and the nozzle 6 are both in the washing space 9. A water channel 11 is provided inside the nozzle mounting shaft 5. A water spraying chamber 12 is provided inside the nozzle 6. The water channel 11 is connected to the water spraying chamber 12. The water delivery mechanism 3 drives external water to enter from the water inlet 7 and eventually reach the nozzle 6. The nozzle 6 sprays water into the washing space 9.

[0035] like Figure 4 The water spray chamber 12 is provided with a rebound surface 13 on the rear side, and the rotary nozzle 6 is provided with a water spray groove 15 on the outside. The front side of the water spray chamber 12 is connected to the water spray groove 15, and a turning groove 16 is provided at the end of the water spray groove 15. Water impacts the inner wall of the turning groove 16 to rotate the rotary nozzle, and the water entering the water spray chamber 12 will impact the rebound surface 13. The rebound surface 13 guides the water into the water spray groove 15. Under the guidance of the water spray groove 15, the water impacts the inner wall of the turning groove 16. Since the corner of the turning groove 16 is not parallel to the water spray groove 15, the inner wall of the turning groove 16 is subjected to force to cause the rotary nozzle 6 to rotate.

[0036] like Figure 5 The turning groove 16 is an arc-shaped groove or an inclined groove, the water spray groove is a straight groove, the center line A of the turning groove 16 and the center line B of the water spray groove 15 form an inclined angle C, and the rebound surface 13 is an arc-shaped surface or an inclined surface. A variety of matching methods are used to make the water impact nozzle rotate.

[0037] like Figure 4 and 6 The nozzle mounting shaft 5 is provided with a convex step 17 at its upper end. The convex step 17 is mounted inside the rotary nozzle 2 and located within the water spray chamber 12. The outer diameter of the convex step 17 is larger than the outer diameter of the mounting shaft body. A bearing 18 is mounted on the outer circumference of the mounting shaft body. The bearing 18 is mounted within the bearing mounting cavity of the rotary nozzle 6, which is located below the water spray chamber 12. The bearing 18 facilitates the rotation of the rotary nozzle 2. In addition, a retaining spring groove is provided at the lower portion of the rotary nozzle 2. The inner side of the retaining spring groove communicates with the bearing mounting cavity. A limit retaining spring 19 is mounted in the retaining spring groove. The retaining edge of the limit retaining spring 19 extends into the retaining spring groove to support the bearing 18, thereby preventing the rotary nozzle 6 from separating from the mounting shaft 5.

[0038] like Figure 2 and 7The main housing 1 includes an outer shell 20 and an inner fixing seat 21. The inner fixing seat 21 is installed inside the outer shell 20, and the cleaning box 4 is installed above the inner fixing seat 21. The inner fixing seat 21 is provided with a positioning step 21a, and the cleaning box 4 is provided with a positioning flange 4a corresponding to the position of the positioning step 21a. The inner fixing seat 21 is provided with a positioning boss 22, and the cleaning box 4 is provided with a positioning hole 23 corresponding to the position of the positioning boss. When the cleaning box 4 is installed in the inner fixing seat 21, the positioning boss 22 is inserted into the positioning hole 23, and the positioning flange 4a is mounted on the positioning step 21a. The cup holder 14 is installed in the cleaning box 4, and the nozzle mounting shaft extends from the positioning boss. When disassembling, it is very convenient to just lift and separate the cleaning box 4. The cup holder 14 is installed in the cleaning box 4. The cup holder 14 is used to place single-opening cups such as teacups, water cups, teapots, kettles, etc., with the cup opening facing downward.

[0039] Specifically, the positioning step 21a is set around the inner side of the shell 20 to improve the bearing capacity, the outer side and upper side of the positioning step 21a form a shell limiting edge, and the outer side and upper side of the positioning flange 4a form a box limiting edge. The box limiting edge is close to the shell limiting edge, and the setting of the limiting edge is convenient for taking and placing.

[0040] like Figure 8 and 9 The cup rack 14 includes a bottom plate 141, an outer grid plate 142, an inner column 143 and a cup holding plate 144. The outer grid plate 142 and the inner column 143 are connected above the bottom plate 141. The outer grid plate 142 is located on the outside and is provided with multiple grids. The inner column 143 is located on the inside. One end of the cup holding plate 144 is connected to the outer grid plate 142 and the other end is connected to the inner column 143. There are multiple cup holding plates 144 and they are distributed around the central axis of the inner column 143. The cups are placed on the multiple cup holding plates 144 with their openings facing downward. Since there are multiple holding plates and they are separated, they will not affect the outflow of water after the cups are cleaned. The nozzle axis extends from the center of the cup rack 14, and the nozzle directly sprays water to rinse the inner wall of the cup. The cup holder 14 is provided with a positioning groove 24, and the cleaning box 4 is provided with an anti-rotation protrusion 25. The anti-rotation protrusion 25, when inserted into the positioning groove 24, prevents the cup holder 14 from rotating. The cleaning box 4 is provided with a water outlet 26. The bottom of the cleaning box 4 is tilted toward the water outlet 26 to ensure that water can be discharged from this outlet. In addition, the outer diameter of the nozzle is smaller than the inner diameter of the cup holder 14 and the cleaning box 4, so that the nozzle will not be blocked when removing the box.

[0041] like Figure 10 and 11As described, the positioning boss 22 is internally provided with a fixing post 22a, into which the nozzle mounting shaft 5 extends from below. Multiple slots 26 are defined on the outside of the nozzle mounting shaft 5, and these slots 26 are arranged axially along the nozzle mounting shaft. An elastic engaging member 27 is mounted within the fixing post 22a. When the nozzle mounting shaft moves up and down, the elastic engaging member 27 engages with different slots, thereby adjusting the nozzle height. Specifically, the multiple slots 26 are equidistantly arranged axially along the nozzle mounting shaft 5. This equidistant arrangement facilitates measuring and adjusting the height. Furthermore, the slots 26 are divided into two left and right columns, each with a flat surface connecting the two columns. The provision of two left and right columns facilitates a more secure engagement of the elastic engaging member 27.

[0042] like Figure 12-14 The elastic engaging member 27 includes a main body 271, a clip portion 272, and a hook portion 273. The main body 271 is embedded in the fixing column 22a and is provided with an embedding hole for the fixing column 22a. A clip portion 272 is connected to the left and right sides of the main body 271. The inner side of the clip portion 272 extends into the fixing column 22a to engage the slot 26, thereby fixing the position of the nozzle mounting shaft 5. The distal end of the clip portion 272 is connected to the hook portion 73. The cross-sectional shape of the elastic engaging member 27 is circular when viewed from above. The left and right hook portions 273 extend toward the midline and form an opening 274 therebetween. The extension of the hook portions 273 toward the midline facilitates engagement with the fixing column 22a, while the opening 274 formed between the left and right hook portions 273 facilitates installation of the fixing column. The cross-section of the main body 271 is U-shaped. The bottom of the main body 271 is staggered with the clamping plate 272 to form a height difference, which can increase the strength of the part. In addition, the inner side surface of the clamping plate 272 is an arc surface 275. The setting of the arc surface 275 is conducive to better moving the installation shaft up and down.

[0043] like Figure 15 and 16As shown, the water delivery mechanism 3 includes a water pump 31, a water pump inlet pipe 32, a water pump outlet pipe 33, a water inlet pipe 34, a water outlet pipe 35 and a nozzle delivery pipe 36. There are multiple water pumps 31, and the number of water pump inlet pipes 32 and water pump outlet pipes 33 corresponds to the number of water pumps 31. The water inlet 7 is connected to the water inlet pipe 34, and the water inlet pipe 34 is connected to multiple water pump inlet pipes 32. One water pump inlet pipe 33 is connected to the inlet of one water pump 31, and one water pump outlet pipe 33 is connected to the outlet of one water pump 31. Multiple water pump outlet pipes 38 are connected to the outlet pipe 35, and the outlet pipe 35 is connected to the nozzle delivery pipe 36. The nozzle delivery pipe The other end of the delivery pipe 36 is connected to the fixed column 22a. The nozzle delivery pipe 36 delivers water to the nozzle mounting shaft. The specific delivery process is that water enters the water inlet pipe 34 from the water inlet 7, and multiple water pumps 31 divide the water in the water inlet pipe 34 through their respective water pump inlet pipes 32 and pressurize it and deliver it to the water pump outlet pipe 33, which is then gathered into the outlet pipe 35 and then delivered from the nozzle delivery pipe 36 to the water channel of the nozzle mounting shaft and then into the water spray chamber. There are multiple water pumps that converge multiple water paths into the outlet pipe to ensure that the water supply to the nozzle delivery pipe is sufficient and the water pressure of the nozzle is high, which is beneficial to increase the water output of the nozzle and fully rinse and clean the cups.

[0044] The above content is a further detailed description of the present invention in combination with specific preferred implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or replacements without departing from the concept of the present invention, which should be regarded as falling within the scope of protection of the present invention.

Claims

1. A new type of cup washing machine, comprising a main housing and an upper cover, wherein the upper cover is installed above the main housing, and is characterized in that: It also includes a water delivery mechanism, a cleaning box, a nozzle mounting shaft and a nozzle. A water inlet and a water outlet are provided on one side of the main shell. The water delivery mechanism is installed inside the main shell. The cleaning box is installed above the main shell. The upper cover covers the cleaning box to form a flushing space. The nozzle mounting shaft extends from the cleaning box. The nozzle is installed above the nozzle mounting shaft. A water channel is provided inside the nozzle mounting shaft. A water spray chamber is provided inside the nozzle. The water channel is connected to the water spray chamber. The water delivery mechanism drives external water to enter from the water inlet and finally reach the nozzle. The nozzle sprays water into the flushing space.

2. The novel cup washing machine according to claim 1, characterized in that: A rebound surface is provided on the rear side of the water spray chamber, a water spray groove is provided on the outside of the nozzle, the front side of the water spray chamber is connected to the water spray groove, and a turning groove is provided at the end of the water spray groove. Water impacts the inner wall of the turning groove to rotate the rotating nozzle.

3. The novel cup washing machine according to claim 2, characterized in that: The turning groove turns in a clockwise or counterclockwise direction, the turning groove is an arc groove or an inclined groove, the water spray groove is a straight groove, the center line of the turning groove and the center line of the water spray groove form an inclined angle, and the rebound surface is an arc surface or an inclined surface.

4. A new cup washing machine according to claim 1 or 2, characterized in that: A convex step is provided at the upper end of the nozzle mounting shaft, which is installed inside the nozzle. The outer diameter of the convex step is larger than the outer diameter of the nozzle mounting shaft body. A bearing is mounted on the outer circumference of the nozzle mounting shaft body. The bearing is installed in the bearing mounting cavity of the nozzle, and the bearing mounting cavity is located below the water spray chamber.

5. The novel cup washing machine according to claim 1 is characterized in that: The main shell includes an outer shell and an inner fixing seat. The inner fixing seat is installed inside the outer shell. The cleaning box is installed above the inner fixing seat. The inner fixing seat is provided with a positioning step. The cleaning box is provided with a positioning flange corresponding to the position of the positioning step. The inner fixing seat is provided with a positioning boss. The cleaning box is provided with a positioning hole corresponding to the position of the positioning boss. When the cleaning box is installed to the inner fixing seat, the positioning boss is inserted into the positioning hole and the positioning flange is mounted on the positioning step. The cup holder is installed in the cleaning box, and the nozzle mounting shaft extends from the positioning boss.

6. The novel cup washing machine according to claim 5, characterized in that: The cup rack includes a bottom plate, an outer grid plate, an inner column and a cup holding plate. The outer grid plate and the inner column are connected above the bottom plate. The outer grid plate is located on the outside and is provided with multiple grids. The inner column is located on the inside. One end of the cup holding plate is connected to the outer grid plate and the other end is connected to the inner column. There are multiple cup holding plates and they are distributed around the central axis of the inner column. The cups are placed on the multiple cup holding plates with their openings facing downward.

7. The novel cup washing machine according to claim 5, characterized in that: A fixing column is provided inside the positioning boss, and the bottom of the nozzle installation shaft passes through the fixing column. A plurality of slots are set on the outside of the nozzle installation shaft, and the plurality of slots are arranged along the axial direction of the nozzle installation shaft. An elastic clamping part is installed in the fixing column. When the nozzle installation shaft moves up and down, the elastic clamping part is clamped into different slots to adjust the height of the nozzle.

8. The novel cup washing machine according to claim 7, characterized in that: The elastic engaging part includes a main body, a card plate and a hook back part. The main body is embedded in the fixed column. The left and right sides of the main body are respectively connected to a card plate. The inner side of the card plate extends into the mounting hole to clamp the card slot. The end of the card plate is connected to the hook back part.

9. The novel cup washing machine according to claim 8, characterized in that: The cross-sectional shape of the elastic engaging member when viewed from above is circular, the left and right hook portions extend toward the center line and form an opening therebetween, the cross-sectional shape of the main body portion is U-shaped, the bottom of the main body portion is staggered with the card portion, and the inner side surface of the card portion is an arc-shaped surface.

10. The novel cup washing machine according to claim 1, characterized in that: The water delivery mechanism includes a water pump, a water pump inlet pipe, a water pump outlet pipe, a water inlet pipe, a water outlet pipe and a nozzle delivery pipe. There are multiple water pumps. The number of water pump inlet pipes and water pump outlet pipes corresponds to the number of water pumps. The water inlet is connected to the water inlet pipe, and the water inlet pipe is connected to multiple water pump inlet pipes. One water pump inlet pipe is connected to the inlet of a water pump, one water pump outlet pipe is connected to the outlet of a water pump, and multiple water pump outlet pipes are connected to the outlet pipe. The outlet pipe is connected to the nozzle delivery pipe, and the nozzle delivery pipe delivers water to the nozzle mounting shaft.

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