Anti-shaking handheld stirrer

Abstract

The utility model discloses an anti-shaking handheld stirrer which comprises a shell, a power output device, a stirring rod and a stirring head, the power output device, the stirring rod and the stirring head are arranged in the shell, the upper end of the stirring rod is connected with the output end of the power output device, and the stirring head is arranged below the stirring rod. A middle connecting piece for connecting the stirring head to the stirring rod is arranged between the lower end of the stirring rod and the stirring head, a first thread part is arranged on the middle connecting piece, a second thread part matched with the first thread part is arranged at the lower end of the stirring rod, a third thread part matched with the first thread part is arranged on the stirring head, and the second thread part is connected with the third thread part. The second thread part and the third thread part are both in threaded connection with the first thread part, the stirring head abuts against the lower end of the stirring rod, the first thread part, the second thread part and the third thread part are all fine threads, and the anti-shaking stirring device has a good anti-shaking effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of stirrers, especially a kind of anti-shaking hand-held stirrer. BACKGROUND

[0002] Stirrer is a kind of construction machinery, also called as mortar machine, mainly used for stirring cement, sand, various dry powder mortar and other building materials;In order to facilitate control and use, the stirrer is set as hand-held electric stirrer.

[0003] For example, the portable stirrer with height-adjustable handle disclosed in patent CN104822500A includes a support body, an electric motor, a handle for holding and operating the stirrer, and a stirring head with a long rod for connecting the stirring head to the driving electric motor. The handle is mounted on the outer surface of the support body, and the electric motor is mounted in the support body.

[0004] The stirring head and the stirring rod of the above-mentioned stirrer cannot be detached, and the entire stirrer needs to be replaced if the stirring head is damaged during use. Moreover, it also increases the packaging volume and transportation cost. To solve the above-mentioned problems, the market appears a stirrer with detachable stirring head mounted on the stirring rod, for example, the hand-held stirrer driven by an outer rotor brushless motor disclosed in patent CN211435812U, which includes a housing, a stirring rod, and an outer rotor motor. The lower end of the housing is provided with a stirring rod; the stirring rod is connected with the outer rotor motor in the housing; the stirring rod is threadedly connected with the lower end of the motor shaft, and the lower end of the stirring rod is provided with a stirring head. The stirring rod is a straight rod or a detachable rod, and the stirring rod is detachably connected with the fixed rod of the stirring head through a hexagonal nut.

[0005] In the above-mentioned patent, the stirring rod and the stirring head are generally connected through coarse thread, which has large thread pitch and thread angle, and relatively poor self-locking performance. When the stirring rod drives the stirring head to rotate, it may loosen due to vibration, causing the stirring head to sway. At this time, the stirring rod with the swaying stirring head rotating will make the stirring head centrifugally swing at the lower end of the stirring rod. Since the stirring rod has a certain length, the force generated by the centrifugal swinging of the stirring head acts on the lower end of the stirring rod, causing the stirring rod to sway greatly, affecting the stirring effect. SUMMARY

[0006] Based on the above stirring rod and stirring head between the general through the coarse thread connection, coarse thread pitch, thread angle is relatively poor, in the stirring rod driven stirring head rotation may be due to vibration and loose, and cause the stirring head deflection shaking, at this time the stirring rod with the shaking stirring head rotation will make the stirring head in the lower end of the stirring rod centrifugal swing, because the stirring rod has a certain length, stirring head centrifugal swing generated force on the lower end of the stirring rod, will cause the stirring rod shaking, affect the stirring effect problem, the utility model provides a prevent shaking's handheld type stirrer.

[0007] The utility model discloses a technical scheme that solves the above technical problem: prevent shaking's handheld type stirrer, including the casing, the power output device of setting in the casing, the stirring rod and the stirring head, the upper end of stirring rod connects the output of power output device, the stirring head sets up below the stirring rod, and is equipped with the intermediate connecting piece that will stir the head connect on the stirring rod between stirring rod lower extreme and stirring head, be equipped with first threaded portion on the intermediate connecting piece, be equipped with the second threaded portion that with first threaded portion cooperates on the lower extreme of stirring rod, be equipped with the third threaded portion that with first threaded portion cooperates on the stirring head, second threaded portion and third threaded portion all are with first threaded portion screw thread connection, and the stirring head is on the lower extreme of stirring rod, first threaded portion, second threaded portion and third threaded portion all are fine tooth thread.

[0008] The utility model further preferably discloses a technical scheme: the stirring head includes a rod body part and a stirring blade arranged on the rod body part, and the third threaded portion is arranged on the upper end of the rod body part.

[0009] The utility model further preferably discloses a technical scheme: the intermediate connecting piece is provided with a first threaded hole penetrating through the upper and lower sides, the first threaded portion is an internal thread formed in the first threaded hole, the second threaded portion is an external thread arranged on the lower end of the stirring rod, and the third threaded portion is an external thread arranged on the upper end of the rod body part.

[0010] The utility model further preferably discloses a technical scheme: a second threaded hole is arranged on the end face of the lower end of the stirring rod, the second threaded portion is an internal thread formed in the second threaded hole, a third threaded hole is arranged on the end face of the upper end of the rod body part, the third threaded portion is an internal thread formed in the third threaded hole, the first threaded portion is an external thread arranged on the intermediate connecting piece, the upper and lower ends of the intermediate connecting piece are respectively inserted into the second threaded hole and the third threaded hole and are screw thread connected, and the lower end of the stirring rod and the upper end of the rod body part completely wrap the intermediate connecting piece.

[0011] The utility model further preferably discloses a technical scheme: the intermediate connecting piece is a nut sleeve.

[0012] The further preferred technical scheme of the utility model is that the middle connecting piece is a screw rod.

[0013] The further preferred technical scheme of the utility model is that the upper end of the stirring rod is in threaded connection with the output end of the power output device, and the threads are all fine thread.

[0014] The further preferred technical scheme of the utility model is that the rod body part comprises a first rod and a second rod with different diameters, the diameter of the first rod is smaller than that of the second rod, the second rod is fixed on the upper end of the first rod, a third threaded hole is arranged on the end face of the upper end of the second rod, the stirring blade is arranged on the first rod, the stirring rod comprises a third rod and a fourth rod with different diameters, the diameter of the third rod is smaller than that of the fourth rod, the fourth rod is fixed on the lower end of the third rod, and a second threaded hole is arranged on the end face of the lower end of the fourth rod.

[0015] The further preferred technical scheme of the utility model is that the two sides of the shell are provided with handles for hand gripping.

[0016] The further preferred technical scheme of the utility model is that the second rod and the first rod are connected through a slope or an arc surface, and the third rod and the fourth rod are connected through a slope or an arc surface.

[0017] Compared with the prior art, the utility model has the advantages that the first threaded part is arranged on the middle connecting piece, the second threaded part matched with the first threaded part is arranged on the lower end of the stirring rod, the third threaded part matched with the first threaded part is arranged on the stirring head, the second threaded part and the third threaded part are in threaded connection with the first threaded part, the stirring head is arranged on the lower end of the stirring rod, the first threaded part, the second threaded part and the third threaded part are all fine thread, the fine thread has good self-locking performance due to small pitch and small thread angle, the stirring head is arranged on the lower end of the stirring rod, the stirring head is not easy to loosen when rotating with the stirring rod, the shaking of the stirring head during rotation is reduced, the amplitude of centrifugal swinging of the stirring head during rotation is reduced, the shaking amplitude of the stirring rod is reduced, and the stirring effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in detail in combination with the drawings and preferred embodiments, but the person skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be regarded as the limitation on the scope of the utility model. In addition, unless specifically pointed out, the drawings only schematically show the composition or structure of the described objects and can contain exaggerated display, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 It is an overall structure schematic view of the stirrer when the middle connecting piece is a nut sleeve;

[0020] Figure 2 Connection diagram of the output end of the power output device, the stirring rod, the nut sleeve and the stirring head;

[0021] Figure 3 Connection diagram of the output end of the power output device, the stirring rod, the nut sleeve and the stirring head; Figure 2 Sectional view of the stirring device;

[0022] Figure 4 Enlarged view of A of the stirring device; Figure 3

[0023] Figure 5 Enlarged view of B of the stirring device; Figure 3

[0024] Figure 6 Disassembly diagram of the output end of the power output device, the stirring rod, the nut sleeve and the stirring head;

[0025] Figure 7 Overall structure diagram of the stirring device when the intermediate connecting piece is a screw rod;

[0026] Figure 8 Connection diagram of the output end of the power output device, the stirring rod, the screw rod and the stirring head;

[0027] Figure 9 Sectional view of the stirring device; Figure 8

[0028] Enlarged view of C of the stirring device; Figure 10 Figure 9 Enlarged view of D of the stirring device;

[0029] Figure 11 Figure 9 Disassembly diagram of the output end of the power output device, the stirring rod, the screw rod and the stirring head.

[0030] Figure 12 Disassembly diagram of the output end of the power output device, the stirring rod, the screw rod and the stirring head.

[0031] In the figure: 1, housing; 2, output end; 3, stirring rod; 4, intermediate connecting piece; 5, stirring head; 6, rod body part; 7, stirring blade; 8, fourth threaded hole; 9, step; 10, first threaded part; 11, first threaded hole; 12, second threaded part; 13, third threaded part; 14, handle; 15, inclined surface or arc surface; 16, third rod; 17, second threaded hole; 18, third threaded hole; 19, fourth rod; 20, second rod; 21, first rod. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is merely illustrative, exemplary, and should not be construed as limiting the scope of the present application.

[0033] ​​​​It should be noted that like reference numerals refer to like elements throughout the several views of the drawings and that once an element is defined in one drawing that it can not be further defined and explained in subsequent drawings.

[0034] Figures 1-12 As shown, the anti-shaking hand-held mixer comprises a housing 1, a power output device arranged in the housing 1, a stirring rod 3 and a stirring head 5, the upper end of the stirring rod 3 is connected with the output end 2 of the power output device, the stirring head 5 is arranged below the stirring rod 3, when the power output device outputs power, the stirring rod 3 drives the stirring head 5 to rotate.

[0035] The power output device is the same as the existing mixer and is not limited, for example, the power output device is a motor, the upper end of the stirring rod 3 is connected with the output shaft of the motor; or the power output device comprises a motor and a gear set, the input end of the gear set is connected with the motor, and the upper end of the stirring rod 3 is connected with the output end 2 of the gear set. The output end 2 is an output shaft.

[0036] The stirring head 5 is arranged below the stirring rod 3, and an intermediate connecting piece 4 connecting the stirring head 5 with the stirring rod 3 is arranged between the lower end of the stirring rod 3 and the stirring head 5, the intermediate connecting piece 4 is provided with a first threaded part 10, the lower end of the stirring rod 3 is provided with a second threaded part 12 matched with the first threaded part 10, and the stirring head 5 is provided with a third threaded part 13 matched with the first threaded part 10, the lower end of the stirring rod 3 is screwed into the upper end of the intermediate connecting piece 4 through the second threaded part 12 and is screwed with the first threaded part 10, the stirring head 5 is screwed into the lower end of the intermediate connecting piece 4 through the third threaded part 13 and is screwed with the first threaded part 10, and the stirring head 5 abuts against the lower end of the stirring rod 3, the lower end of the stirring rod 3 serves as the abutting basis for the rotation of the stirring head 5, and the first threaded part 10, the second threaded part 12 and the third threaded part 13 are all fine-threaded.

[0037] The stirring rod 3, the intermediate connecting piece 4 and the stirring head 5 are connected through fine-threaded connection, the fine-threaded connection has good self-locking performance due to small pitch and small thread angle, and the stirring head 5 abuts against the lower end of the stirring rod 3, so that the stirring head 5 is not easy to loosen due to vibration when being driven to rotate by the stirring rod 3, the shaking of the stirring head 5 during rotation is reduced, the amplitude of centrifugal swinging of the stirring head 5 during rotation due to shaking is reduced, the shaking amplitude of the stirring rod 3 is reduced, and the stirring effect is improved.

[0038] The stirring head 5 comprises a rod body part 6 and stirring blades 7 arranged on the rod body part 6, and the third threaded part 13 is arranged at the upper end of the rod body part 6, when the stirring rod 3 and the rod body part 6 are screwed with the intermediate connecting piece 4, the upper end of the rod body part 6 abuts against the lower end of the stirring rod 3.

[0039] Figures 1-6As shown, the intermediate connecting piece 4 is provided with a first threaded hole 11 penetrating through the upper and lower sides, the first threaded part 10 is an internal thread formed in the first threaded hole 11, the second threaded part 12 is an external thread provided on the lower end of the stirring rod 3, and the third threaded part 13 is an external thread provided on the upper end of the rod body part 6.

[0040] During installation, the intermediate connecting piece 4 is sleeved on the lower end of the stirring rod 3, and then is screwed upward, so that the internal thread on the intermediate connecting piece 4 is threadedly connected with the external thread on the lower end of the stirring rod 3. Then, the rod body part 6 is inserted upward into the aperture at the lower end of the first threaded hole 11, and the rod body part 6 is screwed upward along the thread until the upper end of the rod body part 6 abuts against the lower end of the stirring rod 3. At this time, the stirring head 5 is connected to the lower end of the stirring rod 3 through the intermediate connecting piece 4.

[0041] Preferably, the intermediate connecting piece 4 is a threaded sleeve. Specifically, the intermediate connecting piece 4 is a hexagonal nut sleeve.

[0042] In addition, the upper end of the stirring rod 3 is threadedly connected with the output end 2 of the power output device, and the threads are all fine-pitch threads. When the output end 2 of the power output device drives the stirring rod 3 to rotate, the stirring rod 3 is not prone to shaking due to vibration, thereby improving the stability of the stirring rod 3 during rotation. For example, in the present embodiment, a fourth threaded hole 8 is formed in the bottom end face of the output end 2, the upper end of the stirring rod 3 is threadedly connected with the fourth threaded hole 8, and a step 9 is provided on the side wall of the upper end of the stirring rod 3. During threadedly connecting, the step 9 abuts against the end face of the bottom of the output end 2. The stirring rod 3 and the output end 2 are detachably connected, which facilitates packaging and transportation.

[0043] Handles 14 for hand gripping are provided on the two sides of the housing 1, which facilitates the operator to hold and control.

[0044] For the structure of the above-mentioned intermediate connecting piece 4, the present patent also has another scheme, and the specific content is as follows:

[0045] Figures 7-12 As shown, the end face of the lower end of the stirring rod 3 is provided with a second threaded hole 17, the second threaded part 12 is an internal thread formed in the second threaded hole 17, the end face of the upper end of the rod body part 6 is provided with a third threaded hole 18, the third threaded part 13 is an internal thread formed in the third threaded hole 18, the first threaded part 10 is an external thread provided on the intermediate connecting piece 4, and the upper and lower ends of the intermediate connecting piece 4 are respectively inserted into the second threaded hole 17 and the third threaded hole 18 to be threadedly connected, and the lower end of the stirring rod 3 and the upper end of the rod body part 6 completely wrap the intermediate connecting piece 4. The built-in structure of the connecting part facilitates the protection of the connection between the stirring rod 3, the stirring head 5 and the intermediate connecting piece 4, and the external appearance is more beautiful and simple.

[0046] Preferably, the intermediate connecting piece 4 is a straight rod, and the outer part of the straight rod has external threads.

[0047] The rod body part 6 comprises a first rod 21 and a second rod 20 with different diameters, the diameter of the first rod 21 is smaller than that of the second rod 20, the second rod 20 is fixed to the upper end of the first rod 21, the third threaded hole 18 is arranged on the end face of the upper end of the second rod 20, the stirring blade 7 is arranged on the first rod 21, the stirring rod 3 comprises a third rod 16 and a fourth rod 19 with different diameters, the diameter of the third rod 16 is smaller than that of the fourth rod 19, the fourth rod 19 is fixed to the lower end of the third rod 16, the second threaded hole 17 is arranged on the end face of the lower end of the fourth rod 19, by arranging the second threaded hole 17 and the third threaded hole 18 on the second rod 20 and the fourth rod 19 with larger diameters, the wall thickness of the holes is increased, so that the structural strength is higher.

[0048] The second rod 20 and the first rod 21 are connected through the inclined surface or arc surface 15, and the third rod 16 and the fourth rod 19 are connected through the inclined surface or arc surface 15, so that when the coating is stirred by the stirring head 5, the coating can fall along the inclined surface or arc surface 15, and the coating is prevented from being accumulated on the rod body part 6 or the stirring rod 3 and solidified to be difficult to remove.

[0049] The anti-shaking handheld stirrer provided by the present application is introduced above, the principle and implementation mode of the present application are described by applying specific examples in the present article, and the above description of the embodiments is only used for helping to understand the present application and the core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A hand-held blender with anti-shake, comprising a housing, a power output device arranged in the housing, a stirring rod and a stirring head, the upper end of the stirring rod being connected to the output end of the power output device, characterized in that, The stirring head is arranged below the stirring rod, and an intermediate connecting piece is arranged between the lower end of the stirring rod and the stirring head to connect the stirring head to the stirring rod.

2. The anti-shake hand mixer of claim 1, wherein, The stirring head comprises a rod body part and stirring blades arranged on the rod body part, and the third thread part is arranged on the upper end of the rod body part.

3. An anti-shake hand blender according to claim 2, characterized in that, The intermediate connecting piece is provided with a first thread hole penetrating through the upper and lower sides, the first thread part is an internal thread formed in the first thread hole, the second thread part is an external thread arranged on the lower end of the stirring rod, and the third thread part is an external thread arranged on the upper end of the rod body part.

4. The anti-shake hand blender of claim 2, wherein, The end face of the lower end of the stirring rod is provided with a second thread hole, the second thread part is an internal thread formed in the second thread hole, the end face of the upper end of the rod body part is provided with a third thread hole, the third thread part is an internal thread formed in the third thread hole, the first thread part is an external thread arranged on the intermediate connecting piece, the upper and lower ends of the intermediate connecting piece are respectively inserted into the second thread hole and the third thread hole to be threadedly connected, and the lower end of the stirring rod and the upper end of the rod body part completely wrap the intermediate connecting piece.

5. The anti-shake hand blender of claim 3, wherein, The intermediate connecting piece is a nut sleeve.

6. The anti-shake hand blender of claim 4, wherein, The intermediate connecting piece is a screw rod.

7. The anti-shake hand blender of claim 1, wherein, The upper end of the stirring rod is threadedly connected to the output end of the power output device, and the threads are fine threads.

8. The anti-shake hand blender of claim 4, wherein, The rod body part comprises a first rod and a second rod with different diameters, the diameter of the first rod is smaller than that of the second rod, the second rod is fixed to the upper end of the first rod, the third thread hole is arranged on the end face of the upper end of the second rod, the stirring blades are arranged on the first rod, the stirring rod comprises a third rod and a fourth rod with different diameters, the diameter of the third rod is smaller than that of the fourth rod, the fourth rod is fixed to the lower end of the third rod, and the second thread hole is arranged on the end face of the lower end of the fourth rod.

9. The anti-shake hand blender of claim 1, wherein, The two sides of the shell are provided with handles for hand gripping.

10. The anti-shake hand blender of claim 8, wherein, The second rod and the first rod are connected through a slope or an arc surface, and the third rod and the fourth rod are connected through a slope or an arc surface.

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