Handle folding structure of hand-ground coffee machine
By designing a flip-foldable handle structure on the hand grinder, the problem of inconvenient disassembly in the prior art is solved, and rapid expansion and folding are achieved, which improves the convenience of use and storage and transportation.
Patent Information
- Application Number
- CN202421722245.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The handle structure of existing hand grinders is not convenient for rapid disassembly and assembly, affecting use and storage and transportation.
A handle folding structure of a hand grinding coffee machine is designed. By setting a hinge groove and a limiting block on the rotating cover, the handle can be turned and folded, and the handle can be quickly expanded and folded with the limiting hole and the driving surface to avoid shaking and bumping.
It realizes the rapid expansion and folding of the handle, which is convenient for use and storage and transportation, improves the convenience of use and the aesthetics of the equipment, and extends the service life.
Smart Images

Figure CN223143345U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of hand - grind coffee machines, and particularly relates to a folding structure of a handle of a hand - grind coffee machine. Background Art
[0002] A hand - grind coffee machine, also called a manual coffee machine, is a coffee machine with a manual operating lever.
[0003] In order to facilitate the user to grind coffee, most hand - grind coffee machines are provided with a handle extending outward from the coffee machine body. For example, a kind of upper - part quick - detachable hand - crank grinding machine disclosed in Chinese Utility Model Patent CN202321023075.2 includes a main housing, the upper end of the main housing is movably connected with an end cover, the lower end of the main housing is detachably connected with a powder bin with an opening, and a grinding mechanism is arranged inside the main housing; the grinding mechanism includes a rotating main shaft, a locking nut, an inner grinding knife and an outer grinding knife, the outer grinding knife is fixedly arranged inside the main housing, the inner grinding knife is arranged on the rotating main shaft, the inner grinding knife and the outer grinding knife are sleeved with each other for grinding materials and a powder outlet is formed at the bottom, the locking nut is threadedly connected with the upper end of the rotating main shaft to movably assemble the rotating main shaft inside the main housing; further includes a hand - crank driving assembly, the hand - crank driving assembly is arranged on the end cover, the hand - crank driving assembly drives the rotating main shaft to rotate, the rotating main shaft drives the inner grinding knife to move relative to the outer grinding knife for grinding materials, the powder outlet corresponds to the opening of the powder bin, and the powder bin is used for receiving the powder falling out from the powder outlet; in the utility model, the inner grinding knife is assembled from bottom to top through a rotating shaft, and the rotating shaft is fixed by a locking nut above, and the assembly and disassembly of the inner grinding knife are more convenient and fast, which is convenient for cleaning the grinding machine.
[0004] It can be seen from the specification and the specification drawings of the above - mentioned utility model that the hand - crank driving assembly in the above - mentioned structure is a detachable structure. When storing or transporting, the user needs to disassemble the hand - crank driving assembly to avoid the large volume of the hand - crank grinding machine caused by the hand - crank driving assembly affecting storage and transportation. However, this structure is not convenient for the user to quickly assemble and disassemble, and is not convenient for the user to use. Summary of the Invention
[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a folding structure of a handle of a hand - grind coffee machine that is convenient to use and convenient for storage and transportation.
[0006] The purpose of the utility model is realized as follows:
[0007] A handle folding structure of a hand - mill coffee machine, comprising a rotating cover arranged on the coffee machine main body, a handle for driving rotation is arranged on the rotating cover, an articulated groove is arranged on the rotating cover, the handle is rotatably arranged in the articulated groove, and a limiting block is arranged on the side wall of the articulated groove. The limiting block can abut against the handle and make the handle and the rotating cover relatively fixed; an external force acting on the handle can control the relative rotation of the handle and the rotating cover, and make the handle flip and fold towards the rotating cover side.
[0008] The present utility model is further arranged as: a positioning hole adapted to the limiting block is arranged on the handle, the limiting block cooperates with the positioning hole and makes the handle and the rotating cover relatively fixed; an external force acting on the handle can make the limiting block cooperate with or disengage from the positioning hole.
[0009] The present utility model is further arranged as: an inclined driving surface is arranged on the limiting block. When an external force acts on the handle, the driving surface can abut against the side wall of the positioning hole and make the limiting block disengage from the positioning hole.
[0010] The present utility model is further arranged as: the handle can drive the rotating cover to rotate in the horizontal direction, the articulated groove extends vertically, and the handle can flip and fold towards the upper or lower side of the rotating cover.
[0011] The present utility model is further arranged as: the rotating cover comprises a detachable cover body and a connecting seat, the articulated groove is arranged on the connecting seat and penetrates through the upper and lower sides of the connecting seat, and the cover body extends above the articulated groove and restricts the handle from flipping towards the upper side of the rotating cover.
[0012] The present utility model is further arranged as: an inclined driving wall is arranged on the side of the handle. When an external force acts on the handle, the driving wall drives the limiting block to deform or displace, so that the limiting block cooperates with the handle.
[0013] The present utility model is further arranged as: the articulated groove is provided with a limiting wall, and the handle can abut against the limiting wall to limit the rotation angle of the handle, so as to prevent the handle from knocking against the coffee machine main body.
[0014] The present utility model is further arranged as: a fixing hole is arranged on the side wall of the articulated groove, the limiting block is provided with a limiting portion adapted to the handle and a fixing portion adapted to the fixing hole, and the handle extends to the end of the limiting block, so as to prevent the fixing portion from disengaging from the fixing hole.
[0015] The present utility model is further arranged as: the fixing portion is inserted into the fixing hole and is tightly fitted with the fixing hole, and a limiting convex edge is arranged between the limiting portion and the fixing portion. The limiting convex edge abuts against the end of the fixing hole, so that the limiting block is positioned and installed on the rotating cover.
[0016] The present utility model is further arranged as: a receiving groove is arranged on the side wall of the articulated groove, and the limiting convex edge is hidden in the receiving groove to prevent the limiting convex edge from interfering with the relative unfolding of the handle and the rotating cover.
[0017] The advantages of the present utility model compared with the prior art are as follows:
[0018] 1. The handle rotatably arranged on the rotary cover in the present utility model facilitates the quick deployment and folding of the handle, making it convenient for the quick deployment, use, folding, storage and transportation of the hand grinder coffee machine. The structure of the limiting block is simple, facilitating production and processing, and also facilitating the stable deployment of the handle and the rotary cover. Moreover, it can be separated from the handle under the action of external force, facilitating the deployment and folding of the handle and the rotary cover.
[0019] 2. The setting of the positioning hole in the present utility model facilitates the positioning connection between the limiting block and the handle, avoiding the shaking of the handle and the rotary cover during use and facilitating the use by the user; the setting of the driving surface facilitates the separation of the limiting block from the positioning hole under the action of external force, facilitating the relative folding of the handle and the rotary cover and facilitating the use by the user.
[0020] 3. The rotary cover rotating horizontally and the hinged groove extending vertically in the present utility model prevent the accidental folding of the handle during the use of the hand grinder coffee machine, facilitating the use by the user; the detachable connection between the cover body and the connection seat facilitates the production of the rotary cover, and the hinged groove penetrating the upper and lower sides of the connection seat is convenient for production and processing. Moreover, the cover body prevents the handle from flipping to the upper side of the rotary cover, facilitating the flipping and storage of the handle to the side of the coffee machine main body.
[0021] 4. The inclined driving wall in the present utility model facilitates the deformation or displacement of the limiting block driven by the handle, facilitating the cooperation between the limiting block and the handle, facilitating the quick deployment of the handle and the rotary cover and facilitating the use by the user; the setting of the limiting wall can prevent the handle from knocking against the coffee machine main body, avoiding damage to the coffee machine main body caused by the handle knocking, being beneficial to maintaining the aesthetics of the hand grinder coffee machine and prolonging the service life of the hand grinder coffee machine.
[0022] 5. In the present utility model, the handle prevents the fixing part from disengaging from the fixing hole, being beneficial to the stable installation of the limiting block and avoiding the accidental detachment of the limiting block from the rotary cover during use; moreover, the inserted fixing part and fixing hole facilitate the quick installation of the limiting block, and the limiting convex edge is beneficial to the positioning installation of the limiting block, reducing the increase or decrease in the distance between the limiting part and the handle caused by installation errors, thereby preventing the shaking of the handle and the rotary cover during use or affecting the cooperation and detachment between the limiting part and the handle; the setting of the storage groove can prevent the limiting convex edge from affecting the relative deployment of the handle and the rotary cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is the structural schematic diagram of the present utility model;
[0024] Figure 2 is the structural schematic diagram of the handle folded towards the coffee machine main body in the present utility model;
[0025] Figure 3 is a cross-sectional view of the present utility model;
[0026] Figure 4 is an exploded schematic view of the present utility model;
[0027] Figure 5 is a cross-sectional view of the connection structure between the connection base and the handle in the present utility model;
[0028] Figure 6 is a schematic structural view of the connection base in the present utility model;
[0029] Figure 7 is a schematic structural view of the limit block in the present utility model.
[0030] The meanings of the reference numerals in the figure: 1 - coffee machine main body; 11 - transmission part; 2 - rotating cover; 21 - cover body; 22 - connection base; 23 - hinge shaft; 221 - hinge groove; 222 - fixing hole; 223 - storage groove; 224 - limit wall; 225 - transmission groove; 3 - handle; 31 - driving rod; 32 - rotating seat; 311 - hinge hole; 312 - positioning hole; 4 - limit block; 41 - limiting part; 42 - limiting flange; 43 - fixing part. Specific embodiments
[0031] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments:
[0032] Refer to Figures 1 to 7 As shown, a handle folding structure of a hand - grinding coffee machine includes a rotating cover 2 provided on a coffee machine main body 1, and a handle 3 for driving rotation is provided on the rotating cover 2. An hinge groove 221 is provided on the rotating cover 2, and the handle 3 is rotatably arranged in the hinge groove 221. The handle 3 rotatably arranged on the rotating cover 2 facilitates the quick unfolding and folding of the handle 3, which is convenient for the quick unfolding use, folding storage and transportation of the hand - grinding coffee machine, and is convenient for the user to use, store and transport.
[0033] In the present utility model, a limit block 4 is provided on the side wall of the hinge groove 221. The limit block 4 can abut against the handle 3 and make the handle 3 and the rotating cover 2 relatively fixed; an external force acting on the handle 3 can control the relative rotation of the handle 3 and the rotating cover 2, and make the handle 3 flip and fold towards the rotating cover 2 side. The setting of the limit block 4 has a simple structure, is convenient for production and processing, and is also convenient for the stable unfolding of the handle 3 and the rotating cover 2. It can also be separated from the handle 3 under the action of an external force, which is convenient for the unfolding and folding of the handle 3 and the rotating cover 2.
[0034] In this embodiment, a driving part is arranged on the coffee machine main body 1, and a transmission groove 225 adapted to the transmission part 11 is arranged on the rotary cover 2. During the relative rotation of the rotary cover 2 and the coffee machine main body 11, the rotary cover 2 drives the coffee machine main body 1 to grind coffee through the transmission groove 225 and the transmission part 11.
[0035] In the present utility model, the relative rotation direction of the handle 3 and the rotary cover 2 can be set in the opposite direction to the rotation direction of the rotary cover 2. Preferably, the relative rotation direction of the handle 3 and the rotary cover 2 can be set perpendicular to the rotation direction of the rotary cover 2.
[0036] In this embodiment, the handle 3 can drive the rotary cover 2 to rotate in the horizontal direction. The hinge groove 221 extends vertically. The handle 3 can be turned and folded to the upper or lower side of the rotary cover 2. The rotary cover 2 rotating in the horizontal direction and the vertically extending hinge groove 221 prevent the handle 3 from accidentally folding during the use of the hand coffee grinder, which is convenient for the user to use.
[0037] The rotary cover 2 includes a detachable cover body 21 and a connecting seat 22. The hinge groove 221 is arranged on the connecting seat 22 and penetrates through the upper and lower sides of the connecting seat 22. The cover body 21 extends above the hinge groove 221 and restricts the handle 3 from turning to the upper side of the rotary cover 2. The detachable connection between the cover body 21 and the connecting seat 22 facilitates the production of the rotary cover 2. The hinge groove 221 penetrating through the upper and lower sides of the connecting seat 22 is convenient for production and processing. By the cover body 21, the handle 3 is prevented from turning to the upper side of the rotary cover 2, which is convenient for the handle 3 to be turned and stored on the side of the coffee machine main body 1.
[0038] Preferably, a positioning hole 312 adapted to the limiting block 4 is arranged on the handle 3. The limiting block 4 cooperates with the positioning hole 312 to make the handle 3 and the rotary cover 2 relatively fixed. When an external force acts on the handle 3, the limiting block 4 can cooperate with or disengage from the positioning hole 312. The arrangement of the positioning hole 312 facilitates the positioning connection between the limiting block 4 and the handle 3, prevents the handle 3 and the rotary cover 2 from shaking during use, and is convenient for the user to use.
[0039] In the present utility model, an inclined driving surface is arranged on the limiting block 4. When an external force acts on the handle 3, the driving surface can abut against the side wall of the positioning hole 312 and make the limiting block 4 disengage from the positioning hole 312. The arrangement of the driving surface facilitates the disengagement of the limiting block 4 from the positioning hole 312 under the action of an external force, is convenient for the relative folding of the handle 3 and the rotary cover 2, and is convenient for the user to use.
[0040] The handle 3 includes a driving rod 31 and a rotating seat 32 that are rotatably connected. An articulated hole 311 is provided on the driving rod 31, and an articulated shaft 23 adapted to the articulated hole 311 is provided on the rotary cover 2. The articulated shaft 23 cooperates with the articulated hole 311 to rotatably arrange the driving rod 31 on the connecting seat 22. When the hand grinder coffee machine grinds coffee, the user controls the relative rotation of the rotary cover 2 and the coffee machine main body 1 through the driving rod 31 via the rotating seat 32, and during this process, the rotating seat 32 and the driving rod 31 rotate relative to each other.
[0041] An inclined driving wall is provided on the side of the handle 3. When an external force acts on the handle 3, the driving wall drives the limiting block 4 to deform or displace, so that the limiting block 4 cooperates with the handle 3. The inclined driving wall facilitates the handle 3 to drive the limiting block 4 to deform or displace, facilitating the cooperation between the limiting block 4 and the handle 3, facilitating the quick unfolding of the handle 3 and the rotary cover 2, and facilitating the user to use. In this embodiment, the driving wall is an arc-shaped side wall on the driving rod 31.
[0042] In the present utility model, a limiting wall 224 is provided in the articulated groove 221. The handle 3 can abut against the limiting wall 224 and limit the rotation angle of the handle 3, thereby preventing the handle 3 from knocking against the coffee machine main body 1. The setting of the limiting wall 224 can prevent the handle 3 from knocking against the coffee machine main body 1, avoid the coffee machine main body 1 being damaged by the handle 3, is beneficial to maintaining the aesthetics of the hand grinder coffee machine, and prolongs the service life of the hand grinder coffee machine.
[0043] A fixing hole 222 is provided on the side wall of the articulated groove 221. The limiting block 4 is provided with a limiting portion 41 adapted to the handle 3 and a fixing portion 43 adapted to the fixing hole 222. The handle 3 extends to the end of the limiting block 4, thereby preventing the fixing portion 43 from disengaging from the fixing hole 222. In this structure, the handle 3 prevents the fixing portion 43 from disengaging from the fixing hole 222, which is beneficial to the stable installation of the limiting block 4 and avoids the accidental detachment of the limiting block 4 from the rotary cover 2 during use.
[0044] In the present utility model, it is preferably that the limiting wall 224 limits the rotation angle of the handle 3 so that the handle 3 always remains at the end of the limiting block 4, thereby preventing the fixing portion 43 from disengaging from the fixing hole 222.
[0045] In this embodiment, the limiting portion 41 is adapted to the positioning hole 312, and the limiting portion 41 has an arc-shaped side surface, and the driving surface is the arc-shaped side surface of the limiting portion 41.
[0046] The fixing part 43 is inserted into the fixing hole 222 and is in tight fit with the fixing hole 222. A limiting convex edge 42 is provided between the limiting part 41 and the fixing part 43. The limiting convex edge 42 abuts against the end of the fixing hole 222 so that the limiting block 4 is positioned and installed with the rotary cover 2. The inserted fixing part 43 and fixing hole 222 facilitate the quick installation of the limiting block 4, while the limiting convex edge 42 is conducive to the positioning and installation of the limiting block 4, reducing the increase or decrease in the distance between the limiting part 41 and the handle 3 caused by installation errors, thereby causing the handle 3 and the rotary cover 2 to shake during use or affecting the cooperation and detachment between the limiting part 41 and the handle 3.
[0047] In the utility model, a receiving groove 223 is provided on the side wall of the hinge groove 221. The limiting convex edge 42 is hidden in the receiving groove 223 to prevent the limiting convex edge 42 from interfering with the relative unfolding of the handle 3 and the rotary cover 2. The provision of the receiving groove 223 can prevent the limiting convex edge 42 from affecting the relative unfolding of the handle 3 and the rotary cover 2.
[0048] The above embodiments are only the preferred embodiments of the utility model, and do not limit the protection scope of the utility model accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the utility model shall be covered within the protection scope of the utility model.
Claims
1. A handle folding structure of a hand - grind coffee machine, comprising a rotating cover (2) arranged on a coffee machine main body (1), and a handle (3) for driving rotation is arranged on the rotating cover (2), and is characterized in that: The rotating cover (2) is provided with a hinge groove (221), the handle (3) is rotatably arranged in the hinge groove (221), and a limiting block (4) is arranged on the side wall of the hinge groove (221). The limiting block (4) can abut against the handle (3) to relatively fix the handle (3) and the rotating cover (2); an external force acting on the handle (3) can control the relative rotation of the handle (3) and the rotating cover (2), and cause the handle (3) to flip and fold towards one side of the rotating cover (2), and the folding direction of the handle (3) is the same as the rotating direction of the rotating cover (2).
2. The handle folding structure of a hand-operated coffee grinder according to claim 1, characterized in that: The handle (3) is provided with a positioning hole (312) adapted to the limiting block (4). The limiting block (4) cooperates with the positioning hole (312) to relatively fix the handle (3) and the rotating cover (2); an external force acting on the handle (3) can cause the limiting block (4) to cooperate with or disengage from the positioning hole (312).
3. The folding structure of the handle of a hand-grinding coffee machine according to claim 2, characterized in that: The limiting block (4) is provided with an inclined driving surface. When an external force acts on the handle (3), the driving surface can abut against the side wall of the positioning hole (312) to disengage the limiting block (4) from the positioning hole (312).
4. The folding structure of the handle of a hand-operated coffee grinder according to claim 1, wherein: The handle (3) can drive the rotating cover (2) to rotate in the horizontal direction. The hinge groove (221) extends vertically, and the handle (3) can flip and fold to the upper or lower side of the rotating cover (2).
5. The folding structure of the handle of a hand - mill coffee machine according to claim 4, characterized in that: The rotating cover (2) includes a cover body (21) and a connecting seat (22) that are detachably connected. The hinge groove (221) is arranged on the connecting seat (22) and penetrates through the upper and lower sides of the connecting seat (22), and the cover body (21) extends above the hinge groove (221) to limit the handle (3) from flipping to the upper side of the rotating cover (2).
6. The folding structure of the handle of a hand-operated coffee grinder according to claim 1, wherein: The side surface of the handle (3) is provided with an inclined driving wall. When an external force acts on the handle (3), the driving wall drives the limiting block (4) to deform or displace, so that the limiting block (4) cooperates with the handle (3).
7. The folding structure of the handle of a hand-operated coffee grinder according to claim 6, characterized in that: The hinge groove (221) is provided with a limiting wall (224). The handle (3) can abut against the limiting wall (224) to limit the rotation angle of the handle (3), so as to prevent the handle (3) from bumping against the coffee machine main body (1).
8. The handle folding structure of a hand-operated coffee grinder according to claim 1, wherein: A fixing hole (222) is arranged on the side wall of the hinge groove (221). The limiting block (4) is provided with a limiting portion (41) adapted to the handle (3) and a fixing portion (43) adapted to the fixing hole (222). The handle (3) extends to the end of the limiting block (4) to prevent the fixing portion (43) from disengaging from the fixing hole (222).
9. The folding structure of the handle of a hand-operated coffee grinder according to claim 8, wherein: The fixing portion (43) is inserted into the fixing hole (222) and is tightly fitted with the fixing hole (222). A limiting convex edge (42) is arranged between the limiting portion (41) and the fixing portion (43). The limiting convex edge (42) abuts against the end of the fixing hole (222) to position and install the limiting block (4) and the rotating cover (2).
10. The folding structure of the handle of a hand-operated coffee grinder according to claim 9, wherein: A receiving groove (223) is arranged on the side wall of the hinge groove (221). The limiting convex edge (42) is hidden in the receiving groove (223) to prevent the limiting convex edge (42) from interfering with the relative unfolding of the handle (3) and the rotating cover (2).
Citation Information
Patent Citations
Hand-cranking grinding machine capable of being rapidly detached from upper portion
CN219629448U