Handheld pneumatic stirrer

Abstract

The utility model discloses a handheld pneumatic stirrer. The handheld pneumatic stirrer comprises a stirring assembly, a driving assembly and a supporting rod, according to the scheme, the stirring assembly is limited in a to-be-stirred concrete placement area through the holding rod, the connecting rod is driven by the driving assembly to rotate around the axis of the connecting rod in a fixed-axis mode, then the stirring teeth are driven to rotate around the axis direction of the connecting rod, preferably, the connecting rod is transversely arranged, and the stirring teeth distributed in the length direction of the connecting rod at intervals make contact with concrete at the same time; the stirring teeth rotating along with the connecting rod can be discontinuously and continuously contacted with and separated from the concrete, and the concrete stirring action realizes the stirring of the concrete; by means of such modes as moving around a to-be-stirred concrete area and controlling the holding rod to enable the stirring teeth to push the concrete, the to-be-stirred concrete can be stirred more sufficiently, then the mixing efficiency and the mixing sufficient degree of the concrete are improved, and a formed concrete pavement obtains the strength closer to the expected strength.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of concrete laying, particularly relates to a hand-held pneumatic stirrer. BACKGROUND

[0002] Pouring and laying concrete is a heavy work, and the traditional manual dry-mixed concrete mixing operation mode has low efficiency and is difficult to realize sufficient mixing, which can easily cause the problem of low strength of solidified concrete pavement. SUMMARY

[0003] Therefore, the utility model provides a hand-held pneumatic stirrer, which can restrict the stirring assembly in the concrete placement area to be stirred by the handle rod, drive the connecting rod to rotate around its own axis by the driving assembly, and then drive the stirring teeth to rotate around the axis of the connecting rod, preferably horizontally, and make the stirring teeth distributed along the length direction of the connecting rod contact the concrete at the same time, the stirring teeth rotating with the connecting rod can contact and separate from the concrete intermittently, which realizes the stirring of the concrete; by moving around the concrete area to be stirred, controlling the handle rod to push and shove the concrete, and the like, the concrete to be stirred can be stirred more fully, the mixing efficiency and mixing degree of the concrete are improved, and the formed concrete pavement obtains a strength closer to the expected strength.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A hand-held pneumatic stirrer, comprising:

[0006] A stirring assembly, comprising stirring teeth for contacting and overturning materials, and a connecting rod for providing a mounting basis for the stirring teeth, the stirring teeth are multiple and distributed along the length direction of the connecting rod;

[0007] A driving assembly fixed with the connecting rod and used for driving the connecting rod to rotate around its own axis;

[0008] A support rod for fixing the driving assembly and having a handle rod for hand holding, the support rod is arranged at an angle with the connecting rod.

[0009] Preferably, the handle rod has two groups and is distributed along the length direction of the support rod.

[0010] Preferably, the driving assembly comprises a pneumatic motor fixed with the support rod, and a reverser fixed with the pneumatic motor and used for changing the direction of the output torque of the pneumatic motor and then transmitting the output torque to the connecting rod, and the connecting rod is coaxially fixed with the output shaft of the reverser.

[0011] Preferably, the stirring teeth extend outward from opposite sides of the connecting rod, and adjacent two of the stirring teeth are arranged at an angle.

[0012] Preferably, the stirring teeth are curved in an arc shape, the rotating directions of the connecting rods on two sides of the reversing device are opposite, and the bending directions of the stirring teeth arranged on the two sides of the reversing device are opposite.

[0013] Preferably, the end of the connecting rod is fixed with a baffle for covering the reversing device, and the baffle has a triplex tooth on one side of the baffle for contacting and overturning the material.

[0014] Preferably, the connecting rod has a pin for penetrating the output shaft of the connecting rod and the reversing device, and the pin is detachably connected with a locker, the locker includes a long straight section for penetrating the pin and abutting against the connecting rod, and a wave-shaped bent locking section, the locking section is fitted with the long straight section, and part of the pin is clamped in the bending area of the locking section.

[0015] Preferably, the top of the reversing device is fixed with a connecting plate, and opposite two sides of the connecting plate are provided with mounting slots penetrating the connecting plate in the vertical direction and penetrating the connecting plate in the horizontal direction.

[0016] As can be seen from the above technical solutions, the hand-held pneumatic stirrer provided by the utility model restricts the stirring assembly in the concrete placement area to be stirred through the handle, drives the connecting rod to rotate around the axis of the connecting rod through the driving assembly, and then drives the stirring teeth to rotate around the axis direction of the connecting rod, preferably, the connecting rod is transversely arranged, and the stirring teeth distributed along the length direction of the connecting rod are simultaneously contacted with the concrete, the stirring teeth rotating with the connecting rod can be intermittently and successively contacted with and separated from the concrete, and the stirring of the concrete is realized; the concrete to be stirred can be more fully stirred through the modes such as moving around the concrete area to be stirred, controlling the handle to make the stirring teeth push and bump the concrete, and the like, and then the mixing efficiency and the mixing degree of the concrete are improved, and the formed concrete pavement can obtain a more expected strength. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is a schematic view for representing the structure of the hand-held pneumatic stirrer according to an exemplary embodiment;

[0019] Figure 2 is shown according to an exemplary embodiment Figure 1 is an enlarged view of A part of the structure of the lock.

[0020] Reference signs:

[0021] 1, support rod; 11, handle; 2, driving assembly; 21, pneumatic motor; 22, commutator; 3, stirring assembly; 31, connecting rod; 32, stirring tooth; 33, baffle; 34, triplex tooth; 4, connecting plate; 41, mounting groove; 5, lock; 51, long straight section; 52, locking section; 6, pin. DETAILED DESCRIPTION

[0022] The utility model discloses a hand -held pneumatic stirrer can be restricted in the concrete placement area of stirring by handle, and the connecting rod is driven around the axis of itself fixed axle rotation through driving assembly, and then drives the stirring tooth rotation around the axis direction of connecting rod, and the stirring tooth spaced distribution along the length direction of connecting rod is contacted with concrete simultaneously, and the stirring tooth of rotating with connecting rod can contact and separate with concrete intermittently, and this stirring concrete action realizes the stirring of concrete, through such as moving around the concrete area of stirring, control handle makes the stirring tooth pushes and pushes concrete etc.

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] The utility model discloses a hand -held pneumatic stirrer, such as Figure 1 As shown, Figure 1 is shown according to an exemplary embodiment Figure 2 is shown according to an exemplary embodiment Figure 1 is an enlarged view of A part of the structure of the lock. The following is explained in conjunction with Figure 1 and Figure 2 .

[0025] Some specific embodiments described below are intended to facilitate the understanding of the embodiments by those skilled in the art, and the embodiments are not limited to some specific embodiments described below.

[0026] Referring to Figure 1 , the present disclosure provides a handheld pneumatic mixer, which comprises:

[0027] The stirring assembly 3 comprises stirring teeth 32 for contacting and overturning the material, and connecting rods 31 for providing a mounting base for the stirring teeth 32, and the stirring teeth 32 are multiple and are spaced along the length direction of the connecting rods 31;

[0028] The driving assembly 2 is fixed to the connecting rods 31 and is used for driving the connecting rods 31 to rotate around the axis of the connecting rods 31;

[0029] The support rod 1 is used for fixing the driving assembly 2 and has a handle 11 for hand holding, and the support rod 1 is arranged at an angle with the connecting rods 31.

[0030] For example, referring to Figure 1 , the connecting rods 31 are in a straight structure, the driving assembly 2 is fixed to the middle position of the length of the connecting rods 31 and divides the connecting rods 31 into left and right parts. The connecting rods 31 are arranged in a horizontal posture, the stirring teeth 32 are arranged perpendicularly to the connecting rods 31, the stirring teeth 32 extend outward from the opposite sides of the connecting rods 31, that is, the two ends of the stirring teeth 32 respectively extend from the opposite sides of the connecting rods 31, and the adjacent two stirring teeth 32 are arranged at an angle.

[0031] The driving assembly 2 comprises a pneumatic motor 21 fixed to the support rod 1, and a reversing gear 22 fixed to the pneumatic motor 21 and used for changing the direction of the output torque of the pneumatic motor 21 and then transmitting the output torque to the connecting rods 31, and the connecting rods 31 are coaxially fixed to the output shaft of the reversing gear 22. The pneumatic motor 21 is fixed to the end of the support rod 1 in a vertical posture, the output shaft of the pneumatic motor 21 is fixedly connected with the reversing gear 22, the connecting rods 31 are in a tubular structure, the output shaft of the reversing gear 22 extends laterally from the body part of the reversing gear 22, and the left and right parts of the connecting rods 31 are coaxially sleeved on the output shafts of the two parts of the reversing gear 22 and are fixed thereto. After the pneumatic motor 21 is started, the torque generated by the output shaft of the pneumatic motor 21 is transmitted to the connecting rods 31 under the action of the reversing gear 22, and then drives the connecting rods 31 to rotate around the axis, so as to drive the stirring teeth 32 fixed to the connecting rods 31 to rotate, and then to stir the concrete to be stirred.

[0032] The support rod 1 is in a vertical posture and has a straight structure, the handle 11 has two groups and is spaced along the length direction of the support rod 1, the lengths of the two groups of handles 11 are different, one group of handles 11 is fixed to the top end of the support rod 1 and extends from the two sides of the support rod 1, and the other group of handles 11 is fixed to the region between the top end of the support rod 1 and the pneumatic motor 21 and extends from the two sides of the support rod 1, and the two groups of handles 11 are parallel to each other, which can meet the needs of different holding modes and users with different heights.

[0033] In the embodiment, the commutator 22 can be a structure of bevel gear set, the stirring assembly 3 is limited in the concrete placement area to be stirred by the handle 11, the connecting rod 31 is driven to rotate around its axis by the driving assembly 2, and then the stirring teeth 32 are driven to rotate around the axis of the connecting rod 31, preferably the connecting rod 31 is transversely arranged, and the stirring teeth 32 distributed along the length direction of the connecting rod 31 are simultaneously contacted with the concrete, the stirring teeth 32 rotating with the connecting rod 31 can be intermittently contacted with and separated from the concrete, and the stirring action of the concrete realizes the stirring of the concrete; the concrete to be stirred can be more fully stirred by moving around the concrete area to be stirred, controlling the handle 11 to make the stirring teeth 32 push and shove the concrete, and the like, thereby improving the mixing efficiency and mixing degree of the concrete, and making the formed concrete pavement obtain a strength closer to the expected strength.

[0034] In the example embodiment of the present disclosure, referring to Figure 1 , the stirring teeth 32 are arc-shaped, the rotating directions of the connecting rods 31 on both sides of the commutator 22 are opposite, and the bending directions of the stirring teeth 32 arranged on both sides of the commutator 22 are opposite.

[0035] For example, referring to Figure 1 , when the commutator 22 is a commutating structure formed by three bevel gears, the rotation directions of the output shafts on both sides of the commutator 22 are opposite. The connecting rod 31 is fixed with a baffle 33 at both ends, the baffle 33 fixed on the end of the connecting rod 31 away from the commutator 22 shields part of the stirring teeth 32 in the length direction of the connecting rod 31, the baffle 33 fixed on the end of the connecting rod 31 close to the commutator 22 shields the commutator 22 in the length direction of the connecting rod 31, and the baffle 33 fixed on the end of the connecting rod 31 close to the commutator 22 has a triple tooth 34 on the side away from the commutator 22 for contacting and overturning the material. When the baffle 33 is a circular plate, the triple tooth 34 equally divides the end surface of the aforementioned circular plate away from the commutator 22.

[0036] In the embodiment, one end of the connecting rod 31 is sleeved on the output shaft of the commutator 22, the connecting rod 31 has a pin 6 for simultaneously penetrating the connecting rod 31 and the output shaft of the commutator 22, the pin 6 is arranged perpendicular to the length direction of the connecting rod 31, one end of the pin 6 extends to the other side of the connecting rod 31 after penetrating the connecting rod 31 and the output shaft of the commutator 22 from one side of the connecting rod 31, and the other end of the pin 6 is arranged in an enlarged diameter and clamped on the side wall of the connecting rod 31. The pin 6 is detachably connected with a locker 5, the locker 5 includes a long straight section 51 for penetrating the pin 6 and abutting against the connecting rod 31, and a locking section 52 in a wave shape, one end of the long straight section 51 is integrally formed with one end of the locking section 52, the other end of the long straight section 51 and the other end of the locking section 52 both extend towards one side of the connecting rod 31 and are arranged at an included angle, part of the locking section 52 is in physical contact with part of the long straight section 51, part of the pin 6 is clamped in the bending area of the locking section 52, i.e. the part of the locking section 52 in the wave shape bending towards the side of the long straight section 51 is in physical contact after abutting against the long straight section 51, and the space capable of accommodating the pin 6 is formed between the adjacent two parts of the wave shape bending, the pin 6 is accommodated and clamped through the space, and the locker 5 can be separated from the pin 6 by pulling the locker 5 or bending the locking section 52 away from the long straight section 51.

[0037] In an example embodiment of the present disclosure, referring to Figure 1 The top of the commutator 22 is fixed with a connecting plate 4, and opposite sides of the connecting plate 4 are both provided with mounting grooves 41 penetrating the connecting plate 4 in the vertical direction and penetrating the connecting plate 4 in the horizontal direction.

[0038] For example, the connecting plate 4 is in a horizontal posture and is fixedly connected with the shell of the commutator 22, the output shaft of the pneumatic motor 21 penetrates the connecting plate 4 in a direction perpendicular to the connecting plate 4, and the mounting grooves 41 extend from the opposite side walls of the connecting plate 4 to the inside of the connecting plate 4, forming the mounting grooves 41 on the contour edges of the connecting plate 4 for accommodating and clamping connecting components such as bolts.

[0039] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hand-held pneumatic whisk, characterized in that The utility model relates to a stirring device for material, comprising: a stirring assembly (3) comprising stirring teeth (32) for contacting and overturning material, and a connecting rod (31) for providing a mounting base for the stirring teeth (32), the stirring teeth (32) being a plurality of and being spaced along the length of the connecting rod (31); a driving assembly (2) fixed with the connecting rod (31) and used for driving the connecting rod (31) to rotate about its own axis; a support rod (1) for fixing the driving assembly (2) and having a handle (11) for hand holding, the support rod (1) being arranged at an angle with the connecting rod (31).

2. The hand-held pneumatic beater according to claim 1, characterized in that The handle (11) has two groups and is spaced along the length of the support rod (1).

3. The hand-held pneumatic beater of claim 1, wherein, The driving assembly (2) comprises a pneumatic motor (21) fixed with the support rod (1), and a reversing gear (22) fixed with the pneumatic motor (21) and used for changing the direction of the output torque of the pneumatic motor (21) and then transmitting the output torque to the connecting rod (31), the connecting rod (31) being coaxially fixed with the output shaft of the reversing gear (22).

4. The hand-held pneumatic beater according to claim 3, characterized in that The stirring teeth (32) extend outward from opposite sides of the connecting rod (31), and adjacent two of the stirring teeth (32) are arranged at an angle with each other.

5. The hand-held pneumatic beater according to claim 4, characterized in that The stirring teeth (32) are curved in an arc shape, the rotating directions of the connecting rod (31) on the two sides of the reversing gear (22) are opposite, and the bending directions of the stirring teeth (32) arranged on the two sides of the reversing gear (22) are opposite.

6. The hand-held pneumatic beater of claim 3, wherein, The end of the connecting rod (31) is fixed with a baffle (33) for covering the reversing gear (22), and the side of the baffle (33) facing the stirring teeth (32) is provided with triple teeth (34) for contacting and overturning the material.

7. The hand-held pneumatic beater of claim 3 wherein, The connecting rod (31) is provided with a pin (6) for simultaneously penetrating the output shaft of the connecting rod (31) and the reversing gear (22), the pin (6) is detachably connected with a locker (5), the locker (5) comprises a long straight section (51) for penetrating the pin (6) and abutting against the connecting rod (31), and a wave-shaped locking section (52), the locking section (52) is in contact with the long straight section (51), and part of the pin (6) is clamped in the bending area of the locking section (52).

8. The hand-held pneumatic beater according to claim 3, wherein, The top of the reversing gear (22) is fixed with a connecting plate (4), and opposite sides of the connecting plate (4) are both provided with mounting grooves (41) penetrating the connecting plate (4) in the vertical direction and penetrating the connecting plate (4) in the horizontal direction.

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