Head-raising self-locking mechanism and kitchen electric appliance

Abstract

The utility model relates to the technical field of kitchen electric appliances, in particular to a head-raising self-locking mechanism and a kitchen electric appliance. When the head-raising self-locking mechanism raises the head, a button is pressed down, a rotating shaft drives an adjusting rod to move backwards, the adjusting rod is separated from a first adjusting groove, and at the moment, a second connecting piece can rotate; when the second connecting piece rotates to a second position, the button is loosened, the rotating shaft drives the adjusting rod to move forwards under the action of resilience force of the reset spring, the adjusting rod is embedded into the second adjusting groove, and locking is completed; when resetting is needed, the button is pressed, the rotating shaft drives the adjusting rod to move backwards, the adjusting rod is separated from the second adjusting groove, the second connecting piece can rotate at the moment, when the second connecting piece rotates to the first position, the button is released, the rotating shaft drives the adjusting rod to move forwards under the resilience force effect of the reset spring, and the adjusting rod is embedded into the first adjusting groove. Locking is completed; operation is easy and convenient, the locking structure is simple, and locking and unlocking are easy to control.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a head-up self-locking mechanism and a kitchen appliance. Background Art

[0002] The chef machine is a common kitchen appliance, mainly used in the field of Chinese and Western pastry. It is a multifunctional kitchen appliance that can knead dough, beat eggs, and stir. It is loved by users for its advantages of saving time and effort, and being easy and quick to use. When using the chef machine, first rotate the machine head along the locking structure, take and place the ingredients and the mixing bucket under the mixing component of the machine head, and then restore the machine head to its original position along the locking structure.

[0003] The locking structure of the current food processor includes a rotating handle, a transmission assembly and a locking assembly. The rotating handle is coaxially connected to the transmission assembly, and the transmission assembly is engaged with the locking assembly. When the rotating handle is turned, the transmission assembly is driven to rotate, and the rotation of the transmission assembly drives the locking assembly to release the locking state, and then the operation of rotating the machine head is performed. However, this type of locking structure with a transmission assembly is relatively complex, the assembly process is complicated, and it is not convenient for regular maintenance. In addition, the transmission assembly needs to drive the locking assembly to operate to achieve the locking state or release the locking state, and the operation process is complicated. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a head-up self-locking mechanism and a kitchen appliance.

[0005] The purpose of the utility model is achieved through the following technical solutions: a head-up self-locking mechanism, comprising a first connecting member and a second connecting member, the top of the first connecting member and the bottom of the second connecting member being movably connected;

[0006] Two first rotating seats are fixed to the front and rear sides of the top of the first connecting member, respectively; a second rotating seat is fixed to the middle of the bottom of the second connecting member, the second rotating seat is sandwiched between the two first rotating seats, a sleeve is rotatably connected to the middle of the second rotating seat, both ends of the sleeve are respectively fixedly connected to the two first rotating seats, a rotating shaft is rotatably connected in the sleeve, a button is fixed to the front end of the rotating shaft, and a reset spring is abutted between the button and the first rotating seat on the front side;

[0007] An adjusting rod is radially penetrated through the middle and rear ends of the rotating shaft, and a first adjusting groove and a second adjusting groove are radially opened at the rear end of the second rotating seat with the center of the rotating shaft as the center of the circle. There is a certain angle between the first adjusting groove and the second adjusting groove, and the depth of the first adjusting groove is greater than the depth of the second adjusting groove. When the second connecting member is in the first position, the adjusting rod is embedded in the first adjusting groove, and when the second connecting member is in the second position, the adjusting rod is embedded in the second adjusting groove.

[0008] Furthermore, a stopper is fixed between the first adjusting groove and the second adjusting groove.

[0009] Furthermore, adjustment holes are respectively provided on both sides of the sleeve at positions corresponding to the adjustment rod along the length direction of the sleeve.

[0010] Furthermore, a first countersunk hole is axially opened in the middle of the first rotating seat on the front side, the front end of the sleeve is embedded in the first countersunk hole, the front end of the rotating shaft passes through the front end of the sleeve and extends out, the reset spring is sleeved on the protruding part of the front end of the rotating shaft, and the two ends of the reset spring are respectively abutted between the button and the front end surface of the sleeve.

[0011] Furthermore, a sleeve is fixed to the middle part of the rear end of the button, the front end of the rotating shaft is embedded in the sleeve, the rear end of the button edge is provided with an annular protrusion protruding backward, and a accommodating groove is provided at the front end of the first rotating seat on the front side, the button is embedded in the accommodating groove, and an annular boss is fixed to the middle part of the accommodating groove corresponding to the rear end of the button, and a accommodating cavity matching the annular protrusion is formed between the outer wall of the annular boss and the inner wall of the button accommodating groove.

[0012] Furthermore, a guide rod is radially penetrated through the front end of the rotating shaft, and a guide groove is radially opened at the position of the annular boss corresponding to the guide rod, and the guide rod is embedded in the guide groove.

[0013] Furthermore, a second countersunk hole is axially opened in the middle of the first rotating seat on the rear side, and an annular protrusion is fixed to the rear end of the sleeve, and the annular protrusion is embedded in the second countersunk hole. The rear end of the first rotating seat on the rear side is threaded with at least one screw for fixing the rear end of the rotating shaft.

[0014] Furthermore, a first elastic member for elastically driving the second connecting member to move from the first position to the second position is sleeved on the middle portion of the sleeve.

[0015] Furthermore, a second elastic member for elastically driving the second connecting member to move from the second position to the first position is sleeved on the middle portion of the sleeve.

[0016] Another object of the utility model is achieved through the following technical solution: a kitchen appliance, the kitchen appliance comprising the above-mentioned head-up self-locking mechanism.

[0017] The beneficial effects of the utility model are as follows: when the head-up self-locking mechanism of the utility model heads up, the button is pressed, the rotating shaft drives the adjusting rod to move backward, the adjusting rod disengages from the first adjusting groove, and the second connecting piece can be rotated at this time; when the second connecting piece is rotated to the second position, the button is released, and the rotating shaft drives the adjusting rod to move forward under the action of the rebound force of the reset spring, and the adjusting rod is embedded in the second adjusting groove to complete the locking; when resetting is required, the button is also pressed, the rotating shaft drives the adjusting rod to move backward, the adjusting rod disengages from the second adjusting groove, and the second connecting piece can be rotated at this time; when the second connecting piece is rotated to the first position, the button is released, and the rotating shaft drives the adjusting rod to move forward under the action of the rebound force of the reset spring, and the adjusting rod is embedded in the first adjusting groove to complete the locking; the operation is simple, the locking structure is simple, and the locking and unlocking are easy to control.

[0018] The kitchen appliance of the present application adopts a locking mechanism with a simple structure. The unlocking and locking operations during the head-raising process are simple, easy to control, and highly practical. The rotating shaft operates in an independent space within the sleeve, which makes the operation more flexible and solves the problem of the existing locking mechanism getting stuck during the locking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the head-up self-locking mechanism of the utility model.

[0020] Figure 2 It is a stereoscopic diagram from another perspective of the head-up self-locking mechanism of the utility model.

[0021] Figure 3 It is a three-dimensional exploded view of the head-up self-locking mechanism of the utility model.

[0022] Figure 4 It is a three-dimensional diagram of the second connecting member of the utility model.

[0023] Figure 5 It is a cross-sectional view of the adjusting rod of the utility model embedded in the first adjusting groove.

[0024] Figure 6 It is a cross-sectional view of the adjusting rod of the utility model when it is separated from the first adjusting groove.

[0025] Figure 7 It is a rear view of the second connecting member of the utility model when it is located at the first position.

[0026] Figure 8 It is a rear view of the second connecting member of the utility model when it is located at the second position.

[0027] The accompanying drawings are marked as: first connecting member 1, first rotating seat 11, first countersunk hole 111, accommodating groove 112, annular boss 113, accommodating chamber 114, guide groove 115, second countersunk hole 116, screw 117, rotating shaft 12, button 13, sleeve 131, annular protrusion 132, return spring 14, guide rod 15, second connecting member 2, second rotating seat 21, sleeve 22, adjustment hole 221, annular protrusion 222, adjustment rod 23, first adjusting groove 24, second adjusting groove 25, block 26, first elastic member 27, second elastic member 28, machine base 3, chassis 31, support 32, machine head 4. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of those skilled in the art, the following embodiments and attached Figure 1-8 To further illustrate the present invention, the contents mentioned in the implementation modes are not intended to limit the present invention.

[0029] See Figure 1-8 , a head-up self-locking mechanism, comprising a first connecting member 1 and a second connecting member 2, wherein the top of the first connecting member 1 and the bottom of the second connecting member 2 are movably connected;

[0030] Two first rotating seats 11 are fixed to the front and rear sides of the top of the first connecting member 1, and a second rotating seat 21 is fixed to the middle of the bottom of the second connecting member 2. The second rotating seat 21 is sandwiched between the two first rotating seats 11. A sleeve 22 is rotatably connected to the middle of the second rotating seat 21. Both ends of the sleeve 22 are respectively fixedly connected to the two first rotating seats 11. A rotating shaft 12 is rotatably connected inside the sleeve 22. A button 13 is fixed to the front end of the rotating shaft 12. A reset spring 14 abuts against the button 13 and the first rotating seat 11 on the front side.

[0031] An adjusting rod 23 is radially penetrated at the middle and rear end of the rotating shaft 12, and a first adjusting groove 24 and a second adjusting groove 25 are radially opened at the rear end of the second rotating seat 21 with the center of the rotating shaft 12 as the center of the circle. There is a certain angle between the first adjusting groove 24 and the second adjusting groove 25, and the depth of the first adjusting groove 24 is greater than the depth of the second adjusting groove 25. When the second connecting member 2 is in the first position, the adjusting rod 23 is embedded in the first adjusting groove 24, and when the second connecting member 2 is in the second position, the adjusting rod 23 is embedded in the second adjusting groove 25.

[0032] When the head-up self-locking mechanism of the utility model heads up, the button 13 is pressed, the rotating shaft 12 drives the adjusting rod 23 to move backward, and the adjusting rod 23 is separated from the first adjusting groove 24. Figure 6 As shown, the second connecting member 2 can rotate at this time. When the second connecting member 2 rotates to the second position, the button 13 is released, and the rotating shaft 12 drives the adjusting rod 23 to move forward under the rebound force of the reset spring 14, and the adjusting rod 23 is embedded in the second adjusting groove 25, as shown in FIG. Figure 8 As shown, locking is completed; when it is necessary to reset, the button 13 is also pressed, the rotating shaft 12 drives the adjusting rod 23 to move backward, and the adjusting rod 23 is separated from the second adjusting groove 25. At this time, the second connecting member 2 can be rotated. When the second connecting member 2 is rotated to the first position, the button 13 is released, and the rotating shaft 12 drives the adjusting rod 23 to move forward under the rebound force of the reset spring 14, and the adjusting rod 23 is embedded in the first adjusting groove 24. Figure 5 and Figure 7 As shown, locking is completed; the operation is easy, the locking structure is simple, and locking and unlocking are easy to control.

[0033] In this embodiment, a stopper 26 is fixed between the first adjustment slot 24 and the second adjustment slot 25. The stopper 26 can prevent the adjustment rod 23 from sliding from the second adjustment slot 25 into the first adjustment slot 24.

[0034] In this embodiment, adjustment holes 221 are respectively provided on both sides of the sleeve 22 corresponding to the positions of the adjustment rod 23 along the length direction of the sleeve 22. The above structure is arranged to facilitate the rotating shaft 12 to drive the adjustment rod 23 to move forward and backward in the sleeve 22.

[0035] In this embodiment, a first counterbore 111 is axially opened in the middle of the first rotating seat 11 at the front side, the front end of the sleeve 22 is embedded in the first counterbore 111, the front end of the rotating shaft 12 passes through the front end of the sleeve 22 and extends out, the reset spring 14 is sleeved on the extended part of the front end of the rotating shaft 12, and the two ends of the reset spring 14 are respectively abutted between the button 13 and the front end surface of the sleeve 22. The above-mentioned structure is arranged to facilitate the reset of the button 13 when it is pressed.

[0036] In this embodiment, a sleeve 131 is fixed to the middle of the rear end of the button 13, the front end of the rotating shaft 12 is embedded in the sleeve 131, and the rear end of the edge of the button 13 is provided with an annular protrusion 132 protruding backwards, and a receiving groove 112 is provided at the front end of the first rotating seat 11 on the front side, and the button 13 is embedded in the receiving groove 112. An annular boss 113 is fixed to the middle of the rear end of the button 13 in the receiving groove 112, and an accommodating cavity 114 matching the annular protrusion 132 is formed between the outer wall of the annular boss 113 and the inner wall of the receiving groove 112 of the button 13. The above-mentioned structure is convenient for limiting the position of the button 13.

[0037] In this embodiment, a guide rod 15 is radially penetrated at the front end of the rotating shaft 12, and a guide groove 115 is radially opened at the position of the annular boss 113 corresponding to the guide rod 15, and the guide rod 15 is embedded in the guide groove 115. The above structure is arranged to facilitate the limiting of the adjusting rod 23 when the rotating shaft 12 drives the adjusting rod 23 to move forward and backward.

[0038] In this embodiment, a second counterbore 116 is axially opened in the middle of the first rotating seat 11 at the rear side, an annular protrusion 222 is fixed to the rear end of the sleeve 22, and the annular protrusion 222 is embedded in the second counterbore 116. At least one screw 117 for fixing the rear end of the rotating shaft 12 is screwed to the rear end of the first rotating seat 11 at the rear side. The above-mentioned structure is convenient for fixing the sleeve 22.

[0039] In this embodiment, a first elastic member 27 for elastically driving the second connecting member 2 to move from the first position to the second position is sleeved on the middle part of the sleeve 22. The first elastic member 27 can be any one of a tension spring, a compression spring, and a torsion spring. Specifically, one end of the first elastic member 27 is inserted into the first connecting member 1, and the other end of the first elastic member 27 abuts against the inside of the second connecting member 2. When the second connecting member 2 is in the first position, the first elastic member 27 is compressed and stores force. When the head needs to be raised, the first elastic member 27 can elastically drive the second connecting member 2 to move from the first position to the second position.

[0040] In this embodiment, a second elastic member 28 for elastically driving the second connecting member 2 to move from the second position to the first position is sleeved on the middle part of the sleeve 22. The second elastic member 28 can be any one of a tension spring, a compression spring, and a torsion spring. Specifically, one end of the second elastic member 28 is inserted into the second connecting member 2, and the other end of the second elastic member 28 abuts against the inside of the first connecting member 1. When the second connecting member 2 is in the second position, the second elastic member 28 is compressed and stores force. When it needs to be reset, the second elastic member 28 can elastically drive the second connecting member 2 to move from the second position to the first position.

[0041] A kitchen appliance, the kitchen appliance comprising the above-mentioned head-lifting self-locking mechanism. The kitchen appliance referred to in the utility model may be a chef machine, a dough mixer, a dough kneading machine, a dough mixer, a food mixer, etc. Specifically, it may include a machine base and a machine head, the machine base includes a chassis 31 and a support fixed to one side of the top of the chassis, the first connecting member 1 is fixed to the top of the support, and the second connecting member 2 is fixed to the bottom of one side of the machine head; when the machine head is lifted, the adjusting rod 23 is embedded in the first adjusting groove 24, and when the machine head is reset, the adjusting rod 23 is embedded in the second adjusting groove 25.

[0042] The kitchen appliance of the present application adopts a locking structure with a simple structure, and the unlocking and locking operations during the head-up process are simple and easy to control, and the practicability is high.

[0043] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present invention is within the protection scope of the present invention.

Claims

1. A head-up self-locking mechanism, characterized in that: It comprises a first connecting member and a second connecting member, wherein the top of the first connecting member is movably connected to the bottom of the second connecting member; Two first rotating seats are fixed to the front and rear sides of the top of the first connecting member, respectively; a second rotating seat is fixed to the middle of the bottom of the second connecting member, the second rotating seat is sandwiched between the two first rotating seats, a sleeve is rotatably connected to the middle of the second rotating seat, both ends of the sleeve are respectively fixedly connected to the two first rotating seats, a rotating shaft is rotatably connected in the sleeve, a button is fixed to the front end of the rotating shaft, and a reset spring is abutted between the button and the first rotating seat on the front side; An adjusting rod is radially penetrated through the middle and rear ends of the rotating shaft, and a first adjusting groove and a second adjusting groove are radially opened at the rear end of the second rotating seat with the center of the rotating shaft as the center of the circle. There is a certain angle between the first adjusting groove and the second adjusting groove, and the depth of the first adjusting groove is greater than the depth of the second adjusting groove. When the second connecting member is in the first position, the adjusting rod is embedded in the first adjusting groove, and when the second connecting member is in the second position, the adjusting rod is embedded in the second adjusting groove.

2. A head-up self-locking mechanism according to claim 1, characterized in that: A stopper is fixed between the first adjusting groove and the second adjusting groove.

3. The head-up self-locking mechanism according to claim 1, characterized in that: Adjustment holes are respectively provided at two sides of the sleeve corresponding to the positions of the adjustment rod along the length direction of the sleeve.

4. The head-up self-locking mechanism according to claim 1, characterized in that: A first countersunk hole is axially opened in the middle of the first rotating seat on the front side, and the front end of the sleeve is embedded in the first countersunk hole. The front end of the rotating shaft passes through the front end of the sleeve and extends out. The reset spring is sleeved on the protruding part of the front end of the rotating shaft, and the two ends of the reset spring are respectively abutted between the button and the front end surface of the sleeve.

5. A head-up self-locking mechanism according to claim 4, characterized in that: A shaft sleeve is fixed to the middle part of the rear end of the button, the front end of the rotating shaft is embedded in the shaft sleeve, the rear end of the button edge is provided with an annular protrusion protruding backward, and a accommodating groove is provided at the front end of the first rotating seat on the front side, the button is embedded in the accommodating groove, and an annular boss is fixed in the accommodating groove corresponding to the middle part of the rear end of the button, and a accommodating cavity matching the annular protrusion is formed between the outer wall of the annular boss and the inner wall of the button accommodating groove.

6. A head-up self-locking mechanism according to claim 5, characterized in that: A guide rod is radially penetrated through the front end of the rotating shaft, and a guide groove is radially opened at a position of the annular boss corresponding to the guide rod, and the guide rod is embedded in the guide groove.

7. The head-up self-locking mechanism according to claim 1, characterized in that: A second countersunk hole is axially opened in the middle of the first rotating seat on the rear side, and an annular protrusion is fixed to the rear end of the sleeve, and the annular protrusion is embedded in the second countersunk hole. The rear end of the first rotating seat on the rear side is threaded with at least one screw for fixing the rear end of the rotating shaft.

8. The head-up self-locking mechanism according to claim 1, characterized in that: The middle part of the sleeve is sleeved with a first elastic member for elastically driving the second connecting member to move from the first position to the second position.

9. The head-up self-locking mechanism according to claim 1, characterized in that: The middle part of the sleeve is sleeved with a second elastic member for elastically driving the second connecting member to move from the second position to the first position.

10. A kitchen appliance, characterized in that: The kitchen appliance comprises the head-up self-locking mechanism according to any one of claims 1-9.

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