mold

Abstract

The present application relates to a kind of moulds, for forming dust seat in vacuum cleaner, mould includes upper die and lower die.One of upper die and lower die moves relative to the other, so that the two butt joint forms mold cavity, by injecting molten material into mold cavity, thereby forming dust seat in vacuum cleaner.After forming, upper die and lower die are separated to remove dust seat.Dust seat can be detachably connected to cover.Dust seat includes mounting bracket, and mounting bracket is used to install leakproof component.Dust seat is detachably arranged on cover, i.e.dust seat can be formed as independent component by mould alone, so that the processing and manufacturing of mounting bracket for installing leakproof component are not limited by the space of cover, so that the possibility of damage caused by interference with cover during demolding process can be reduced, the difficulty of demolding is reduced, and the inconvenience of demolding operation is reduced, thereby reducing mould failure.

Description

Technical Field

[0001] This invention relates to the field of injection molding technology, and in particular to a mold. Background Technology

[0002] Injection molds are tools used to produce plastic products; they also give plastic products their complete structure and precise dimensions. Injection molding is a processing method used for the mass production of certain complex-shaped parts. Specifically, it refers to injecting molten plastic into a mold cavity under high pressure using an injection molding machine, and then cooling and solidifying it to obtain the molded product.

[0003] Vacuum cleaners are common dust removal devices in daily life. A motor drives blades to rotate at high speed, creating negative air pressure within a sealed lid to suck dust and debris into the dust cup. Vacuum cleaners include plastic parts such as a dust collection base and a lid. The lid has a mounting bracket with a leak-proof device that rotates on it to prevent users from leaving the dust cup empty.

[0004] During the molding process, the mounting bracket requires a slanted ejector to create positioning holes, and the slanted ejector needs to move horizontally during demolding. Because the slanted ejector is relatively large, while the space inside the vacuum cleaner cover is quite compact, the slanted ejector is prone to interfering with the injection-molded cover, potentially damaging the mold. Therefore, existing vacuum cleaner molding dies are inconvenient to use. Summary of the Invention

[0005] Therefore, it is necessary to provide a mold that solves the problem of inconvenience in using existing vacuum cleaner molds.

[0006] A mold for molding the vacuum cleaner base in a vacuum cleaner;

[0007] The vacuum cleaner base is detachably connected to the cover of the vacuum cleaner; the vacuum cleaner base includes a mounting bracket for installing a leak-proof component.

[0008] The mold includes an upper mold and a lower mold, one of which is configured to move closer to the other so that they come together to form a mold cavity for molding the vacuum cleaner seat;

[0009] The leak-proof device includes a blocking arm that prevents the cover from closing, and a blocking block is provided at the free end of the blocking arm;

[0010] The thickness of the blocking block is 5 to 6 times that of the cover.

[0011] In one embodiment, the mounting bracket is provided with a rotating hole, and the leak-proof device is provided with a rotating shaft; the leak-proof device is rotatably connected to the wall of the rotating hole via the rotating shaft;

[0012] The upper mold is provided with an outwardly protruding mounting post, which is used to cooperate with the lower mold to form the rotating hole.

[0013] In one embodiment, the mounting bracket has a recessed cavity with one end open, and the rotating holes include two holes disposed on two sidewalls of the recessed cavity opposite to each other.

[0014] The number of mounting columns is two, and the two mounting columns are symmetrically distributed at both ends of the upper mold along the horizontal direction.

[0015] In one embodiment, the two opposite sides of the opening end of the recess are respectively provided with flanges;

[0016] The lower mold is provided with a first groove, which cooperates with the upper mold to form the flange;

[0017] The thickness of the flange is 2 to 3 times the thickness of the mounting bracket.

[0018] In one embodiment, the flange is provided with a notch that communicates with the corresponding rotating hole, and the notch and the rotating hole together form a continuous U-shaped hole;

[0019] The height of the flange is 1 to 2 times the radius of the rotating hole;

[0020] The mounting post is used to cooperate with the lower mold to form the U-shaped hole.

[0021] In one embodiment, the lower mold is provided with a first forming hole, which communicates with the first groove;

[0022] The upper mold is provided with a first forming column, and the mounting column protrudes outward from the end face of the first forming column;

[0023] The first forming post is used to mate with the first forming hole, and there is a first gap between them, which is used to form the clearance cavity.

[0024] In one embodiment, the vacuum cleaner seat further includes a body connected to the mounting bracket, the body being a hollow structure;

[0025] The lower mold has a second forming hole, and the upper mold is provided with a second forming post;

[0026] The second forming column is used to mate with the second forming hole, and there is a second gap between them; the second gap is used to form the body.

[0027] In one embodiment, the shape of the first forming hole is adapted to the shape of the first forming post;

[0028] The shape of the second forming hole is adapted to the shape of the second forming column.

[0029] In one embodiment, the mold further includes a guiding mechanism, to which the upper mold or the lower mold is slidably connected.

[0030] In one embodiment, the guiding mechanism includes a guide post and a guide groove that are slidably engaged; one of the guide post and the guide groove is disposed on the upper mold and the other is disposed on the lower mold, and the guide post is slidably connected to the groove wall of the guide groove.

[0031] This technical solution has the following beneficial effects: The aforementioned mold includes an upper mold and a lower mold. One of the upper and lower molds moves relative to the other, for example, the upper mold moves relative to the lower mold, causing them to align and form a mold cavity. By injecting molten material into the mold cavity, the vacuum cleaner seat in the vacuum cleaner is formed. After forming, the upper and lower molds can be separated to remove the vacuum cleaner seat. The vacuum cleaner seat is detachably connected to the cover. The vacuum cleaner seat includes a mounting bracket for installing leak-proof components. By detachably mounting the vacuum cleaner seat to the cover, i.e., the vacuum cleaner seat can be molded separately as an independent component, the manufacturing of the mounting bracket for installing leak-proof components is not limited by the space of the cover. Therefore, the possibility of interference with the cover during demolding is reduced, thus reducing demolding difficulty and inconvenience, thereby reducing mold failure. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of a vacuum cleaner provided in an embodiment of the present invention;

[0033] Figure 2 for Figure 1 The diagram shown is a partial view of a vacuum cleaner with the main body removed.

[0034] Figure 3 for Figure 2 The rear view of the vacuum cleaner shown has the leak-proof device in a blocked state.

[0035] Figure 4 for Figure 3 A partial schematic diagram of the vacuum cleaner shown;

[0036] Figure 5 for Figure 4 A schematic diagram of the vacuum cleaner holder shown;

[0037] Figure 6 for Figure 4 A schematic diagram of the leak-proof device in the vacuum cleaner shown;

[0038] Figure 7 for Figure 6 Rear view of the leak-proof device in the vacuum cleaner shown;

[0039] Figure 8 for Figure 5 The diagram shown illustrates the installation of a leak-proof device and a dust collection device on the vacuum cleaner holder.

[0040] Figure 9 for Figure 8 The image shows the rear view of the vacuum cleaner.

[0041] Figure 10 for Figure 5 A simplified diagram of the vacuum cleaner holder shown;

[0042] Figure 11 for Figure 7 A schematic diagram of the leak-proof device in the vacuum cleaner shown;

[0043] Figure 12 for Figure 5 A schematic diagram of the vacuum cleaner holder shown;

[0044] Figure 13 for Figure 12 A schematic diagram of the vacuum cleaner holder from another perspective;

[0045] Figure 14 An exploded view of a mold for forming a vacuum cleaner holder according to an embodiment of the present invention;

[0046] Figure 15 for Figure 14 A schematic diagram of the upper mold in the mold shown;

[0047] Figure 16 for Figure 14 A schematic diagram of the lower mold in the mold shown.

[0048] Reference numerals: 1-Mold; 10-Vacuum cleaner; 110-Body; 120-Cover; 121-Insertion post; 130-Suction port; 200-Suction base; 210-Mounting bracket; 211-Rotating hole; 212-Allowing cavity; 220-Flanged edge; 221-Notch; 230-Insertion hole; 240-Body body; 241-Suction channel; 300-Leak-proof component; 310-Blocking arm; 311-Blocking... Stop block; 312-Main body; 320-Force arm; 330-Reset element; 340-Rotating shaft; 341-Inclined surface; 350-Connecting section; 351-Limiting groove; 400-Dust collection component; 410-Connecting plate; 20-Upper mold; 21-Mounting column; 22-Second forming column; 23-First forming column; 30-Lower mold; 31-First groove; 32-Second forming hole; 33-First forming hole. Detailed Implementation

[0049] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0050] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0052] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0053] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0054] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0055] like Figures 1 to 6 , Figures 11 to 16 As shown, one embodiment of the present invention provides a mold 1 for molding a vacuum cleaner seat 200 in a vacuum cleaner 10; the vacuum cleaner seat 200 is detachably connected to the cover 120 of the vacuum cleaner 10; the vacuum cleaner seat 200 includes a mounting bracket 210 for mounting a leak-proof component 300; the mold 1 includes an upper mold 20 and a lower mold 30, one of which is configured to operably move closer to the other so that the two are joined to form a mold cavity, and the vacuum cleaner seat 200 can be molded by injecting molten material into the mold cavity.

[0056] Specifically, by detachably mounting the vacuum cleaner seat 200 onto the cover 120, the vacuum cleaner seat 200 can be molded separately as an independent component. Therefore, the manufacturing of the mounting bracket for installing the anti-leakage device is not limited by the space of the cover 120. This reduces the possibility of interference with the cover 120 during demolding, thus reducing demolding difficulty, minimizing the inconvenience of demolding operations, and reducing mold failures.

[0057] like Figures 1 to 11 As shown, the vacuum cleaner 10 will be described in detail below. The vacuum cleaner 10 includes a body 110, a cover 120 that can be closed onto the body 110, a vacuum seat 200, and a leak-proof device 300. The vacuum seat 200 is detachably mounted on the cover 120. The leak-proof device 300 is movably mounted on the vacuum seat 200. The leak-proof device 300 has a blocking state that prevents the cover 120 from closing onto the body 110, and a leak-proof device in the dust collection unit 400 (… Figure 8 (As shown in the figure) the unlocked state in which the cover 120 can be closed onto the body 110 under push.

[0058] like Figures 1 to 3As shown, specifically, the leak-proof device 300 is movably mounted on the vacuum cleaner base 200, allowing it to switch between an unlocked state and a blocked state. During the installation of the dust collection component 400, the dust collection component 400 gradually approaches the leak-proof device 300 until it comes into contact with it. As the dust collection component 400 continues to move closer, it pushes the leak-proof device 300 to move relative to it. Under the pushing action of the dust collection component 400, the leak-proof device 300 is pushed to the unlocked state, allowing the cover 120 to close onto the body 110.

[0059] When the dust collection component 400 is not installed inside the cover 120, for example, when the dust collection component 400 needs to be cleaned and is removed from the cover 120, the anti-leakage component 300 can be switched to the blocking state by external force, such as manual or automatic reset device, so that the cover 120 cannot be closed to the body 110. When the cover 120 and the body 110 cannot be closed properly, it can directly remind the user that the dust collection component 400 is missing, reducing the risk of dust entering the vacuum cleaner, especially the motor, when the user turns on the vacuum cleaner directly when the dust collection component 400 is missing.

[0060] In the prior art, the dust collection seat and the anti-leakage device are usually installed separately on the cover or body of the vacuum cleaner. The dust collection channel of the dust collection seat extends into the cover or body, which makes the processing and molding of the anti-leakage device installation part located near the dust collection channel affected by the structure of the dust collection channel, cover or body. In particular, the mold structure of injection molding is complex and crowded, making the demolding process difficult.

[0061] The present invention integrally molds the dust collection base 200 and the mounting part for installing the anti-leakage device 300 and detachably sets them on the cover 120. That is, the dust collection base 200 can be molded as an independent component, and the mounting part for installing the anti-leakage device 300 is molded on the independent dust collection base 200. Therefore, the processing and manufacturing of the mounting part for installing the anti-leakage device 300 on the dust collection base 200, such as the rotating hole, is not restricted by the related parts of the cover 120 or the body 110, reducing the difficulty of demolding, reducing the inconvenience of demolding operation, and thus reducing mold failure.

[0062] like Figure 4 and Figure 8As shown, in one embodiment, the leak-proof device 300 is configured to be rotatably disposed on the vacuum cleaner base 200 about an axis, so that the leak-proof device 300 can switch between a blocking state and an unlocked state. By rotatably connecting the leak-proof device 300 to the vacuum cleaner base 200, when the leak-proof device 300 is pushed by the dust collection member 400, it can rotate relative to the axis to rotate from the blocking state to the unlocked state, that is, the leak-proof device 300 rotates from the blocking position to the unlocked position, that is, the leak-proof device 300 no longer obstructs the cover 120, so that the cover 120 can close with the body 110 to form a sealed cavity, without affecting subsequent use.

[0063] In other embodiments, the leak-proof component is slidably connected to the dust collection base. Specifically, a transmission assembly is provided between the leak-proof component and the dust collection component, including a gear and a first rack and a second rack meshing radially at both ends of the gear. The first rack is connected to the dust collection component, and the second rack is connected to the leak-proof component. Under the power transmission of the gear, the first rack and the second rack respectively drive the dust collection component and the leak-proof component to move in opposite directions. When the leak-proof component is in the blocking state, correspondingly, the leak-proof component is in the blocking position, and a portion of the leak-proof component extends relative to the cover and is located at the joint position between the cover and the body, thereby preventing the cover from closing. During the installation of the dust collection component, the dust collection component and the first rack move in the direction close to the dust collection base; correspondingly, the leak-proof component and the second rack move in the direction away from the dust collection base. When the dust collection component is installed in place, the leak-proof component retracts relative to the cover, that is, it exits from the joint position between the cover and the body and is located in the cavity formed by the cover and the body, thereby no longer restricting the closing of the cover and the body.

[0064] like Figure 4 and Figure 6 As shown, in one specific embodiment, the leak-proof device 300 is rotatably connected to the dust collection base 200. The leak-proof device 300 includes a blocking arm 310 that can prevent the cover 120 from closing onto the body 110, and a force-applying arm 320 that rotates the leak-proof device 300 in a preset direction in response to the push of the dust collection device 400.

[0065] When the leak-proof device 300 is in the blocking state, the force-applying arm 320 extends relative to the dust collection base 200, and part of the blocking arm 310 is located between the engagement position of the cover 120 and the body 110, preventing the cover 120 from closing onto the body 110. During the process of installing the dust collection component 400 onto the dust collection base 200, the dust collection component 400 can abut against the force-applying arm 320, thereby pushing the force-applying arm 320 and the blocking arm 310 to rotate relative to each other, from the blocking state to the unlocked state. At this time, the force-applying arm 320 is located on the side of the dust collection component 400 closer to the cover 120; the blocking arm 310 retracts from the engagement position and no longer obstructs the closing of the cover 120.

[0066] The blocking arm 310 and the force-applying arm 320 have a certain extension length, meaning they are relatively large. This ensures the blocking effect of the blocking arm 310 and increases the contact area between the dust collection component 400 and the force-applying arm 320, allowing the thrust of the dust collection component 400 to be transmitted to the leak-proof device 300, causing it to move to the unlocked state. Furthermore, both the blocking arm 310 and the force-applying arm 320 have a hollow structure to reduce the overall weight of the leak-proof device 300, facilitating its movement from the blocking state to the unlocked state under the pushing action of the dust collection component 400.

[0067] like Figure 4 and Figure 7 As shown, in one embodiment, a blocking block 311 is provided at the free end of the blocking arm 310. When the leak-proof device 300 is in the blocking state, the blocking block 311 stops at the joint between the body 110 and the cover 120 to prevent the cover 120 from closing onto the body 110. Specifically, the blocking arm 310 also includes a main body portion 312 connected to the blocking block 311. The main body portion 312 can be a straight block. The blocking block 311 and the main body portion 312 are set at an angle, that is, the blocking block 311 is bent relative to the main body portion 312 toward the cover 120. This allows the blocking block 311 to extend relative to the main body portion 312 and engage with the end face of the cover 120 connected to the body 110 when the leak-proof device 300 is in the blocking state, thereby preventing the cover 120 from closing.

[0068] like Figure 6 and Figure 7 As shown, the blocking block 311 can be an arc-shaped block, the arc surface of which is adapted to the rotation trajectory of the leak-proof device 300. When the dust collection device 400 pushes the leak-proof device 300 to rotate relative to it, under the guidance of the arc surface, the arc-shaped block gradually retracts from the joint position where the cover 120 is connected to the body 110, until it is located in the cavity formed by the cover 120 and the body 110, thereby releasing the obstruction to the cover 120. It can be understood that the blocking block 311 can also be a rectangular block. This embodiment does not limit the specific shape of the blocking block, as long as it can prevent the cover from closing in the blocking state and can retract from the blocking position.

[0069] like Figure 3 and Figure 11As shown, taking the blocking block 311 as a rectangular block as an example, the thickness dimension 'a' of the blocking block 311 is 5-6 times the thickness dimension of the cover 120, so that when the blocking block 311 is in the joint position, it can effectively prevent the cover 120 from closing. The height dimension 'b' of the blocking block 311 is greater than 4mm. With this setting, even if the cover 120 and the body 110 are misaligned when closing, the blocking block 311, being relatively protruding, can still effectively prevent the cover 120 from closing. The extension length 'c' of the main body 312 of the blocking arm 310 ranges from 25mm to 40mm. The extension length 'd' of the force-applying arm 320 ranges from 25mm to 40mm. By controlling the dimensions of each component within the preset range, the overall layout of the leak-proof device 300 is more compact and reasonable, and the blocking effect is guaranteed. Specifically, 'a' is 5mm, 'b' is 5mm, 'c' is 35mm, and 'd' is 30mm.

[0070] In other embodiments, when the leak-proof device is in the blocking state, the blocking block extends out from the main body and is not connected to the end face of the cover, i.e., there is a certain gap between them. This gap ensures that the blocking block will not interfere with the cover during the process of rotating from the blocking state to the unlocked state, thus guaranteeing the reliability of the state switching.

[0071] like Figures 7 to 9 As shown, in one embodiment, the leak-proof device 300 further includes a rotating shaft 340, which is connected to the blocking arm 310 and the force-applying arm 320, so that the leak-proof device 300 is rotatably mounted on the vacuum cleaner base 200 via the rotating shaft 340. The mounting bracket 210 is provided with a rotating hole 211, and the rotating shaft 340 is rotatably connected to the rotating hole 211. Specifically, the rotating shaft 340 can be located at one end of the force-applying arm 320. The upper mold 20 is provided with a protruding mounting post 21, which is used to cooperate with the lower mold 30 to form the rotating hole 211.

[0072] More specifically, one end of the force-applying arm 320 is provided with a through hole for the rotating shaft 340 to pass through. Both ends of the rotating shaft 340 extend relative to the force-applying arm 320 along its own axial direction, rotatably connecting to the vacuum cleaner base 200. When the dust collection component 400 pushes the force-applying arm 320 to rotate, the rotating shaft 340 rotates synchronously within the vacuum cleaner base 200. The rotating shaft 340 enhances the stability of the leak-proof device 300's rotatable connection to the vacuum cleaner base 200, allowing the leak-proof device 300 to rotate to the unlocked state along a preset direction under the action of the dust collection component 400, reducing the possibility of rotational deviation during rotation, and thus improving the smoothness of the switch between the blocked and unlocked states of the leak-proof device 300. Figure 6 As shown, when the anti-leakage device 300 is in the blocking state, it can rotate from the blocking state to the unlocked state along the N direction in the figure under the action of the dust collection device 400.

[0073] like Figure 9 As shown, the leak-proof device 300 is rotatably connected to the rotating hole 211 of the mounting bracket 210 via a rotating shaft 340. The end of the rotating shaft 340 along its own axial direction extends relative to the dust collection seat 200, reducing the possibility of the leak-proof device 300 disengaging from the rotating hole 211 during rotation and improving the rotation reliability of the leak-proof device 300.

[0074] like Figure 5 As shown, in another embodiment, the mounting bracket 210 has a recessed cavity 212 with one end open. There are two rotating holes 211, located on two opposite sidewalls of the recessed cavity 212. There are also two mounting posts 21, symmetrically distributed horizontally at both ends of the upper mold 20. By providing the recessed cavity 212, it is convenient to install the leak-proof component 300 within the rotating holes 211, and a certain amount of rotation space is provided for the leak-proof component 300, reducing the possibility of interference with the mounting bracket 210 during rotation. In other embodiments, the dust collection seat has a recessed mounting groove along the axial direction of the rotating shaft for mounting the rotating shaft; understandably, the mounting groove does not penetrate the dust collection seat.

[0075] like Figure 5 As shown, in one embodiment, the edges of the two opposing side walls (i.e., the two side walls with rotating holes 211) at the opening end of the recess 212 are respectively provided with flanges 220. The flanges 220 extend in the direction away from the opening, that is, the flanges 220 are located outside the opening of the recess 212. The lower mold 30 is provided with a first groove 31, which cooperates with the upper mold 20 to form the flanges 220. Further, the flanges 220 are provided with notches 221 that communicate with the corresponding rotating holes 211. The notches 221 cooperate with the rotating holes 211 to form a continuous U-shaped hole. The mounting post 21 is used to cooperate with the lower mold 30 to form the U-shaped hole. Specifically, the notches 221 are recessed from the upper surface of the flanges 220 toward the rotating holes 211 and communicate with the rotating holes 211. Figure 10 As shown, the notch 221 is recessed along the Z0 direction from the upper surface of the flange 220 until it communicates with the rotating hole 211, allowing the rotating shaft 340 to slide into the rotating hole 211 through the notch 221. At the same time, since the end of the rotating shaft 340 passes through the rotating hole 211, the flange 220 can prevent the rotating shaft 340 from coming out of the rotating hole 211 radially, ensuring the reliability of the connection between the leak-proof device 300 and the dust collection base 200.

[0076] The lower mold 30 has a first forming hole that is connected to the first groove 31; the upper mold 20 has a first forming post 23 and a mounting post 21 that protrudes outward from the end face of the first forming post 23; the first forming post 23 is used to dock with the first forming hole and there is a first gap between them, which is used to form the clearance cavity 212.

[0077] With this configuration, after the mounting post 21 on the upper mold 20 forms the notch 221 and the rotating hole 211, the upper mold 20 only needs to slide along the axial direction of the dust suction channel 241, such as the OZ direction shown in the figure, to exit from the rotating hole 211, thereby completing the demolding and reducing the difficulty of demolding.

[0078] By providing a notch 221 on the flange 220 that communicates with the rotating hole 211, after the mold 1 forms the rotating hole 211 and the notch 221, it only needs to move along the axial direction of the dust suction channel 241 (0Z direction in the figure) to complete the demolding. The mold does not need to move along the axial direction of the rotating hole 211, thereby avoiding the inconvenience caused by axial movement, reducing the difficulty of demolding, reducing the inconvenience of demolding operation, and thus reducing mold failure.

[0079] like Figures 12 to 13 As shown, in one embodiment, the thickness of the flange 220 is represented by e, and the thickness of the mounting bracket 210 is represented by f. The value of e is 2-3 times the value of f. Thus, the thickness of the flange 220 is greater than the thickness of the mounting bracket 210, which not only facilitates demolding but also ensures the effective fixation of the flange 220 to the rotating shaft 340, thereby improving the strength of the fixed rotating shaft 340. The height of the flange 220 is represented by L, the radius of the rotating hole 211 is represented by R, and the distance between the center of the rotating hole 211 and the upper surface of the flange 220 is represented by m. The value of L is 1-2 times the value of R. Since a notch 221 needs to be constructed on the flange 220, and the rotating shaft 340 slides into the rotating hole 211 along the notch 221, if the value of L is too large, it will be inconvenient to install the rotating shaft 340; if the value of L is too small, it will affect the strength of the flange 220. By setting the dimensions of each component within a reasonable range, the installation of the rotating shaft 340 is made more convenient, while ensuring the strength of the fixed rotating shaft 340. Specifically, the value of e is 4.2mm, the value of f is 1.5mm, the value of L is 2.7mm, the value of m is 4.8mm, and the value of R is 2mm.

[0080] like Figure 7 and Figure 9 As shown, in one embodiment, the rotating shaft 340 has an inclined surface 341 at at least one end along its own axial direction. The inclined surface 341 is used to cooperate with the groove wall of the notch 221 and the hole wall of the rotating hole 211 to guide the rotating shaft 340 through the notch 221 and then slide into the rotating hole 211. By providing the inclined surface 341, when installing the leak-proof device 300 onto the vacuum cleaner base 200, one end can be inserted into the rotating hole 211 first, and the inclined surface of the other end abuts against the groove wall of the notch 221 and slides along the groove wall until it contacts the hole wall of the rotating hole 211 and passes through the rotating hole 211. By providing the inclined surface 341, the interference between the rotating shaft 340 and the groove wall of the notch 221 during installation is reduced, and the installation difficulty is reduced.

[0081] like Figure 5 , Figure 8 and Figure 9 As shown, in one embodiment, the vacuum cleaner base 200 further includes a body 240 connected to the mounting bracket 210. The body 240 is provided with a vacuum channel 241, which communicates with the vacuum port 130 of the cover 120. Specifically, the body 240 can be a hollow cylindrical structure. The dust collection component 400 is sleeved on the body 240 and communicates with the vacuum channel 241, so that when a negative pressure is formed inside the cover 120, external dust can pass through the vacuum port 130 and the vacuum channel 241 in sequence, and then enter the dust collection component 400 to collect the dust. The dust collection component 400 includes a dust bag (not shown) and a connecting plate 410 connected to the dust bag inlet. The dust collection component 400 is sleeved on the outer wall of the vacuum cleaner base 200 through the connecting plate 410, thereby communicating the dust bag, the vacuum channel 241 and the vacuum port 130.

[0082] The lower mold 30 has a second forming hole 32, and the upper mold 20 has a second forming post 22. The second forming post 22 is used to mate with the second forming hole 32, and there is a second gap between them. The second gap is used to form the body 240. Furthermore, the shape of the first forming hole is adapted to the shape of the first forming post 23; the shape of the second forming hole 32 is adapted to the shape of the second forming post 22.

[0083] In one embodiment, the mold further includes a guiding mechanism, to which either the upper or lower mold is slidably connected. Specifically, the guiding mechanism includes a guide post and a guide groove that are slidably engaged. One of the guide post and the guide groove is located in the upper mold, and the other is located in the lower mold. The guide post is slidably connected to the wall of the guide groove. Specifically, the guide groove is located in the upper mold, and the guide post is located in the lower mold, with the guide post being vertically positioned. Taking the movement of the upper mold relative to the lower mold as an example, the guide post guides the upper mold, allowing it to move up and down along the guide post to open and close. This ensures precise positioning of the upper and lower molds each time the mold closes, thereby improving the overall accuracy of the injection mold's closing mechanism and ensuring high dimensional accuracy of the injection molded product.

[0084] like Figure 6 and Figure 7As shown, in an optional embodiment, the leak-proof device 300 further includes a reset element 330 connected between the blocking arm 310 and the cover 120. During the installation of the dust collector 400, the dust collector 400 pushes the leak-proof device 300 to rotate relative to it, causing the reset element 330 to be in a deformed state. When the dust collector 400 is not installed, that is, when the external force applied by the dust collector 400 to the force arm 320 is removed, the reset element 330, under the action of elastic force, drives the leak-proof device 300 to rotate from the unlocked state to the blocked state. By setting the reset element 330, the leak-proof device 300 can automatically reset to the blocked state without the user having to manually reset it after removing the dust collector 400, thus constantly reminding the user that the dust collector 400 has been forgotten to be installed, improving the reliability of the leak-proof device 300.

[0085] Specifically, the reset element 330 can be a torsion spring, which is sleeved on the rotating shaft 340. One end of the torsion spring abuts against the blocking arm 310, and the other end abuts against the vacuum cleaner seat 200. The torsion spring provides a rotational reset force so that the leak-proof device 300 can be reset to the blocking state.

[0086] like Figure 6 As shown, in one embodiment, the blocking arm 310 is provided with a limiting groove 351 for abutting and limiting one end of the torsion spring. Specifically, the leak-proof device 300 also includes a connecting section 350, which is located between the blocking arm 310 and the force-applying arm 320, and connects to the ends of the blocking arm 310 and the force-applying arm 320. The extending direction of the connecting section 350 forms an angle with the extending direction of the blocking arm 310 and with the extending direction of the force-applying arm 320, and the limiting groove 351 is located on the connecting section 350. By limiting the end of the torsion spring abutting against the blocking arm 310 through the limiting groove 351, when the leak-proof device 300 rotates relative to the blocking arm 310, one end of the torsion spring deflects and slides accordingly, ensuring the reliability of the reset force it provides. In other embodiments, the blocking arm can also be directly set as an L-shape, including a horizontal section and a vertical section, with the horizontal section connecting the vertical section and the force-applying arm, and the limiting groove is provided on the horizontal section.

[0087] like Figure 4 and Figure 9 As shown, in one embodiment, the cover 120 is provided with a plug-in post 121, and the vacuum cleaner base 200 is provided with a plug-in hole 230. The vacuum cleaner base 200 is detachably connected to the cover 120 by the plug-in engagement of the plug-in post 121 and the plug-in hole 230, facilitating the individual molding and maintenance / replacement of the vacuum cleaner base 200. Understandably, the positions of the plug-in post 121 and the plug-in hole 230 can be interchanged; that is, the plug-in post 121 can be located on the suction port base 200, and the plug-in hole 230 can be located on the cover 120.

[0088] The vacuum cleaner 10 described above has a vacuum base 200 detachably mounted inside the cover 120, and a leak-proof device 300 rotatably connected to the vacuum base 200 via a pivot 340. During the process of installing the dust collection component 400 onto the vacuum base 200, the dust collection component 400 abuts against the leak-proof device 300, causing the reset element 330 to undergo elastic deformation and push the leak-proof device 300 to rotate around the pivot 340 from the blocking state to the unlocked state, so that the force-applying arm 320 is located on the side of the dust collection component 400 facing the cover; at the same time, the blocking arm 310 retracts from the engaged position, and the blocking arm 310 no longer obstructs the closing of the cover 120 and the body 110.

[0089] When the dust collector 400 needs to be cleaned and is removed from the cover 120, i.e., when the external force exerted by the dust collector 400 on the leak-proof device 300 is removed, the leak-proof device 300 rotates to a blocking state under the elastic force of the reset element 330. In this state, the force-applying arm 320 of the leak-proof device 300 protrudes relative to the vacuum cleaner seat 200, and the blocking arm 310 of the leak-proof device 300 is located between the joint position of the cover 120 and the body 110, affecting the cover 120 from closing with the body 110. At this time, if the user uses the vacuum cleaner 10, the user will be reminded that the dust collector 400 is missing because the cover 120 and the body 110 cannot close.

[0090] like Figure 10 and Figure 15 As shown, the vacuum cleaner base 200 is provided with a flange 220, and the flange 220 is provided with a notch 221 that communicates with the corresponding rotating hole 211. The notch 221 and the rotating hole 211 cooperate to form a continuous U-shaped hole. Specifically, the notch 221 is recessed from the upper surface of the flange 220 toward the rotating hole 211 and communicates with the rotating hole 211. Figure 10 As shown, the notch 221 is recessed along the Z0 direction from the upper surface of the flange 220 until it communicates with the rotating hole 211, allowing the rotating shaft 340 to slide into the rotating hole 211 through the notch 221. With this configuration, after the notch 221 and the rotating hole 211 are formed using the mounting post 21 on the upper mold 20, the upper mold 20 only needs to slide along the axial direction of the dust suction channel 241, such as the OZ direction shown in the figure, to exit from the rotating hole 211. There is no need for the mold to move along the axial direction of the rotating hole 211, thus avoiding the inconvenience caused by axial movement, thereby completing the demolding and reducing the difficulty of demolding.

[0091] The aforementioned mold 1, taking the vacuum cleaner base 200 as an example, includes a body 240 and a mounting bracket 210. The body 240 can be a cylindrical structure with a hollow area forming a vacuum channel 241. The mounting bracket 210 is connected to one side of the body 240. The mounting bracket 210 has a recessed cavity 212 with one open end and a rotating hole 211. Two rotating holes 211 are located on two opposing side walls of the recessed cavity 212, and a rotating shaft 340 is rotatably connected to the rotating holes 211.

[0092] The upper mold 20 has a cylindrical first forming post 22 and a rectangular second forming post 23; the lower mold 30 has a first forming hole 32 and a second forming hole 33. The shape of the first forming hole 32 is adapted to the shape of the first forming post 22, and the diameter of the first forming hole 32 is larger than the size of the first forming post 22 to form an annular gap. Molten material is injected into the annular gap to form the body 240. The shapes of the second forming post 23 and the second forming hole 33 are adapted to each other, and the size of the second forming hole 33 is larger than the size of the second forming post 23 to form a rectangular annular gap. Molten material is injected into the rectangular annular gap to form the mounting bracket 210. There is a connecting hole between the first forming hole 32 and the second forming hole 33. Molten material is injected into the connecting hole to connect the formed body 240 and the mounting bracket 210.

[0093] like Figures 10 to 16 As shown, in one embodiment, the vacuum cleaner seat 200 further includes the aforementioned flange 220 and notch 221. The notch 221 is recessed from the upper surface of the flange 220 toward the rotating hole 211 and communicates with the rotating hole 211.

[0094] Correspondingly, the lower mold 30 has a first groove 31, which communicates with the second forming hole 33. Molten material is injected into the first groove 31 to form the flange 220 connected to the second forming post 23. The upper mold 20 has a mounting post 21 protruding outward from the end face of the second forming post 23. After the upper mold 20 and the lower mold 30 are connected, the mounting post 21 forms a communicating notch 221 and a rotating shaft 340 hole 211.

[0095] With this configuration, after the mounting post 21 forms the connecting notch 221 and rotating hole 211, the upper mold 20 only needs to slide upward along the axial direction of the dust suction channel 241 (OZ direction in the figure) and exit through the notch 221, thus completing the demolding. There is no need for the mold to move along the axial direction of the rotating hole 211 (i.e., the radial direction of the dust suction channel 241), thereby avoiding the inconvenience caused by axial movement, reducing the difficulty of demolding, minimizing the inconvenience of demolding operations, and thus reducing mold failures.

[0096] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0097] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A mold, characterized in that, Vacuum holder (200) for use in a molded vacuum cleaner (10); The vacuum cleaner base (200) is detachably connected to the cover (120) of the vacuum cleaner; the vacuum cleaner base (200) includes a mounting bracket (210) for mounting a leak-proof device (300); The mold includes an upper mold (20) and a lower mold (30), one of which is configured to move closer to the other so that they come into contact to form a mold cavity for molding the vacuum cleaner seat (200). The leak-proof device (300) includes a blocking arm (310) that prevents the cover (120) from closing, and a blocking block (311) is provided at the free end of the blocking arm (310). The thickness of the blocking block (311) is 5 to 6 times the thickness of the cover (120); The mounting bracket (210) is provided with a rotating hole (211), and the leak-proof device (300) is provided with a rotating shaft (340); the leak-proof device (300) is rotatably connected to the wall of the rotating hole (211) through the rotating shaft (340); The upper mold (20) is provided with an outwardly protruding mounting post (21), which is used to cooperate with the lower mold (30) to form the rotating hole (211). The mounting bracket (210) has a recessed cavity (212) with one end open, and the rotating hole (211) includes two holes, which are disposed on two opposite sidewalls of the recessed cavity (212). The number of mounting posts (21) is two, and the two mounting posts (21) are symmetrically distributed at both ends of the upper mold (20) in the horizontal direction; The opening end of the recess (212) is provided with flanges (220) on the two opposite sides. The lower mold (30) is provided with a first groove (31), which cooperates with the upper mold (20) to form the flange (220). The flange (220) is provided with a notch (221) that communicates with the corresponding rotating hole (211), and the notch (221) and the rotating hole (211) together form a continuous U-shaped hole; The mounting post (21) is used to cooperate with the lower mold (30) to form the U-shaped hole.

2. The mold according to claim 1, characterized in that, The thickness of the flange (220) is 2 to 3 times the thickness of the mounting bracket (210).

3. The mold according to claim 1, characterized in that, The height of the flange (220) is 1 to 2 times the radius of the rotating hole (211).

4. The mold according to claim 1, characterized in that, The lower mold (30) is provided with a first forming hole (33), which is connected to the first groove (31); The upper mold (20) is provided with a first forming column (23), and the mounting column (21) protrudes outward from the end face of the first forming column (23); The first forming column (23) is used to dock with the first forming hole (33), and there is a first gap between them, which is used to form the clearance cavity (212).

5. The mold according to claim 4, characterized in that, The vacuum cleaner base (200) also includes a body (240) connected to the mounting bracket (210), the body (240) being a hollow structure; The lower mold (30) is provided with a second forming hole (32), and the upper mold (20) is provided with a second forming post (22). The second forming column (22) is used to mate with the second forming hole (32), and there is a second gap between them; the second gap is used to form the body (240).

6. The mold according to claim 5, characterized in that, The shape of the first forming hole (33) is adapted to the shape of the first forming post (23); The shape of the second forming hole (32) is adapted to the shape of the second forming post (22).

7. The mold according to claim 1, characterized in that, The mold also includes a guiding mechanism, and the upper mold (20) or the lower mold (30) is slidably connected to the guiding mechanism.

8. The mold according to claim 7, characterized in that, The guiding mechanism includes a guide post and a guide groove that are slidably fitted; one of the guide post and the guide groove is disposed on the upper mold (20) and the other is disposed on the lower mold (30), and the guide post is slidably connected to the groove wall of the guide groove.

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