CN214447325U

CN214447325U - Concrete mixer

Info

Publication number: CN214447325U
Application number: CN202120039807.1U
Authority: CN
Inventors: 周立群
Original assignee: Shanghai Huanghuang Concrete Products Co ltd
Current assignee: Shanghai Huanghuang Concrete Products Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-22
Anticipated expiration: 2031-01-07

Abstract

The application discloses a concrete mixer, which relates to the technical field of concrete mixing equipment and solves the problem of waste in the concrete mixing process, and comprises a frame with wheels and a handle, a mixing drum arranged on the frame and a driving piece for driving the mixing drum to rotate, wherein the frame is provided with a bearing wheel for supporting the mixing drum; one end of the mixing drum, which is far away from the driving piece, is provided with a necking-shaped opening, the outer edge of the opening is hinged with a sealing cover, the axis of the sealing cover is coaxial with the rotation axis of the mixing drum, and the center of the sealing cover is rotationally connected with a water inlet pipe; and a locking piece for locking the sealing cover is arranged on the stirring cylinder. This application can reduce the waste of concrete.

Description

Concrete mixer

Technical Field

The application relates to the technical field of concrete mixing equipment, in particular to a concrete mixer.

Background

The concrete mixer is a mechanical device for mixing and stirring cement, gravel aggregate and water into a concrete mixture.

Refer to chinese utility model bulletin number and be CN201033284 a disclosed hand propelled mixer, including the frame that has wheel and handle, be provided with churn and actuating mechanism on the frame, actuating mechanism passes through output shaft drive churn and rotates, is provided with two riding wheels on the frame at least, riding wheel axle and output shaft parallel arrangement, and the riding wheel is located the below of churn, and upwards holds in the palm the churn.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the concrete mixer is used, cement, gravel aggregate and water are poured into the mixing drum, the driving mechanism drives the mixing drum to rotate, and the concrete inside the mixing drum is splashed out frequently in the rotating process, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce the waste of concrete, the application provides a concrete mixer.

The application provides a concrete mixer adopts following technical scheme:

a concrete mixer comprises a frame with wheels and a handle, a mixing drum arranged on the frame and a driving piece for driving the mixing drum to rotate, wherein the frame is provided with a bearing wheel for supporting the mixing drum; one end of the mixing drum, which is far away from the driving piece, is provided with a necking-shaped opening, the outer edge of the opening is hinged with a sealing cover, the axis of the sealing cover is coaxial with the rotating axis of the mixing drum, and the center of the sealing cover is rotationally connected with a water inlet pipe; and a locking piece for locking the sealing cover is arranged on the stirring cylinder.

By adopting the technical scheme, when the stirrer is used, cement and gravel aggregate are poured into the stirring cylinder, the sealing cover is closed and is connected with the external water pipe through the water inlet pipe, and the water inlet pipe is rotationally connected with the sealing cover, so that the water inlet pipe cannot rotate under the traction of the external water pipe when the stirring cylinder rotates, and normal water supply is kept; after water is injected into the mixing drum, the mixing drum can be rotated through the driving piece to be mixed; through the setting of sealed lid, can effectively reduce the concrete spill and cause the waste.

Preferably, the retaining member includes locking bolt and with locking bolt threaded connection's latch segment, the latch segment sets up on the opening outer wall of churn, the border department of sealed lid is provided with the connecting block, when sealed lid fits on the opening, locking bolt can pass connecting block and latch segment threaded connection.

Through adopting above-mentioned technical scheme, close the opening with sealed lid, locking bolt passes connecting block and latch segment threaded connection, fixed sealed lid to maintain sealed lid to open-ended leakproofness, keep normal work.

Preferably, be provided with solid fixed ring on the agitator drum outer wall, sealed lid is opened the upset back, and locking bolt can pass connecting block and solid fixed ring threaded connection.

Through adopting above-mentioned technical scheme, locking bolt can pass connecting block and fixed block threaded connection, and it is fixed to open the after-sealing lid to pour into the churn with the raw materials, or pour out the concrete.

Preferably, the sealing cover is rotatably connected with the water inlet pipe through a bearing.

Through adopting above-mentioned technical scheme, when the inlet tube in outside water piping connection, through the setting of bearing for sealed lid and inlet tube can normal relative rotation, maintain normal intaking.

Preferably, the sealing cover is provided with transparent glass on the outer periphery of the bearing, and a through hole for mounting the bearing is formed in the middle of the transparent glass.

Through adopting above-mentioned technical scheme, through transparent glass's setting, can be convenient for observe the stirring condition of churn inside.

Preferably, a baffle ring for blocking the bearing is convexly arranged at one end of the inner wall of the through hole, which is close to the inside of the mixing drum, the water inlet pipe penetrates through the baffle ring, and the water inlet pipe is in interference fit with the inner wall of the bearing; and a gap is formed between one side of the baffle ring, which is far away from the inside of the mixing drum, and the bearing.

Through adopting above-mentioned technical scheme, the setting of fender ring for the churn is when rotating, and the concrete is difficult for spattering to the bearing on, and the condition that reduces the concrete and solidify in the bearing takes place, thereby leads to the unable rotation of bearing inner and outer lane.

Preferably, one end of the water inlet pipe, which is far away from the mixing drum, is connected with a hose, the frame is provided with a water storage tank, the hose is connected with a water pump, and the other end of the water pump is communicated with the water storage tank.

Through adopting above-mentioned technical scheme, supporting water storage box and water pump are toward pouring water in the water storage box, and the rethread hose connection water pump supplies water, and is convenient simple to the churn is inside.

Preferably, the water storage tank is provided with scales.

Through adopting above-mentioned technical scheme, the setting of scale can be convenient for the staff learn the water injection volume how much, easily control the water injection volume.

In summary, the present application includes at least one of the following benefits:

1. due to the arrangement of the sealing cover, the occurrence of concrete splashing can be effectively reduced, and the waste of concrete is reduced; when the water inlet pipe is connected with the hose, the water inlet pipe is rotationally connected with the sealing cover through the bearing so as to keep normal water injection into the mixing drum;

2. due to the arrangement of the baffle ring, the situation that concrete splashes to the bearing can be effectively reduced, and the normal work of the bearing is kept.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the mixing drum and the sealing lid in this embodiment;

fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a frame; 11. a wheel; 12. a handle; 13. a supporting wheel; 2. a mixing drum; 21. stirring blades; 22. an opening; 3. a drive member; 4. a sealing cover; 41. connecting blocks; 42. transparent glass; 421. a through hole; 422. a baffle ring; 5. a locking member; 51. locking the bolt; 52. a locking block; 53. a fixed block; 6. a water inlet pipe; 61. a hose; 7. a bearing; 8. a water pump; 9. a water storage tank; 91. and (4) calibration.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a concrete mixer. Referring to fig. 1, the mixer includes a frame 1 having wheels 11 and a handle 12, a mixing drum 2 mounted on the frame 1, and a driving member 3 for driving the mixing drum 2 to rotate. The driving piece 3 adopts a driving motor, and two bearing wheels 13 for bearing the mixing drum 2 are rotatably arranged on the frame 1.

Referring to fig. 1 and 2, the inner wall of the mixing drum 2 is welded with a mixing blade 21 of an arc structure, one end of the mixing drum 2, which is far away from the driving part 3, is provided with a necking opening 22, and the mixing drum 2 and the opening 22 are hinged with a sealing cover 4 through a pin shaft. The driving motor is fixed on the frame 1 through a bolt and is in transmission connection with one axial end of the mixing drum 2 through an output shaft. In the stirring process, the waste caused by concrete splashing is reduced by arranging the sealing cover 4.

Referring to fig. 2, the agitating drum 2 is provided with a locking member 5 for locking the sealing lid 4. The locker 5 includes a locking bolt 51 and a locking block 52 threadedly coupled with the locking bolt 51. The head of the locking bolt 51 may be covered with a hard rubber head to facilitate application of force by a human hand. The locking piece 52 is welded to the rim of the opening 22 of the whisking cylinder 2. The side of the sealing cover 4 away from the hinged position is welded with a connecting block 41. When the sealing cover 4 covers the opening 22, the connecting block 41 abuts against the locking block 52. The locking bolt 51 is threaded with the locking block 52 after passing through the connecting block 41, thereby locking the sealing cover 4.

Referring to fig. 2, when the sealing cover 4 is opened, it is convenient to fix it. The outer wall of the mixing drum 2 is welded with a fixed block 53 for the locking bolt 51 to be in threaded connection. The sealing cover 4 is turned over after being opened, so that the connecting block 41 is abutted to the fixing block 53, and then the locking bolt 51 penetrates through the connecting block 41 and is connected to the fixing block 53 in a threaded mode; so that the sealing cover 4 is fixed, and the feeding or the pouring of the mixing drum 2 is convenient.

Referring to fig. 2 and 3, a water inlet pipe 6 is rotatably connected to the center of the sealing cover 4 in order to facilitate the addition of water into the agitating drum 2 during the rotation of the agitating drum 2. The outer wall of the water inlet pipe 6 is in interference fit with a bearing 7. The middle part of the sealing cover 4 is fixedly bonded with transparent glass 42, and the center of the transparent glass 42 is provided with a through hole 421 for the interference fit of the bearing 7. The stirring inside the stirring cylinder 2 was observed through the transparent glass 42.

Referring to fig. 2 and 3, in order to reduce the concrete in the mixing drum 2 from splashing on the bearing 7, a stop ring 422 for shielding the bearing 7 is protruded at one end of the inner wall of the through hole 421 near the inside of the mixing drum 2 of the transparent glass 42. The water inlet pipe 6 penetrates through the baffle ring 422, and a gap exists between one side wall of the baffle ring 422, which is far away from the inside of the stirring cylinder 2, and the bearing 7 so as to ensure the normal work of the bearing 7.

Referring to fig. 1 and 2, further, a water storage tank 9 may be fixedly mounted on the frame 1 by bolts. The water inlet pipe 6 is right-angled, one end of the water inlet pipe is rotatably connected to the sealing cover 4, and the other end of the water inlet pipe is inserted with a hose 61 in an interference manner. One end of the hose 61, which is far away from the water inlet pipe 6, is connected with a water pump 8, the water pump 8 is fixed on the outer wall of the bottom of the water storage tank 9 through a bolt, and the water pump 8 is communicated with the water storage tank 9. The water inlet pipe 6 is rotatably connected with the transparent glass 42 through a bearing 7, so that the water pump 8 normally supplies water through the hose 61. In order to control the water injection amount in the mixing drum 2 conveniently, the inner wall of the water storage tank 9 is provided with a scale 91; when the stirrer works, the supporting block can be arranged at the bottom of the bracket in a cushioning manner to keep the water tank in a horizontal state, so that the water injection amount can be observed and controlled conveniently.

The implementation principle of the concrete mixer in the embodiment of the application is as follows:

when in use, cement and sandstone aggregate are poured into the mixing drum 2, and the sealing cover 4 is closed; pouring a certain amount of water into the water storage tank 9, and starting the water pump 8 to inject water into the stirring cylinder 2; the stirring condition in the stirring cylinder 2 is observed through the transparent glass 42, and a certain amount of water can be poured into the inner water storage tank 9 again according to the stirring condition. After the stirring is finished, the hose 61 is pulled out, the sealing cover 4 is opened and fixed on the fixed block 53, the frame 1 is pushed to incline by the handle 12, and the concrete in the stirring cylinder 2 is poured out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A concrete mixer comprises a frame (1) with wheels (11) and a handle (12), a mixing drum (2) arranged on the frame (1) and a driving piece (3) for driving the mixing drum (2) to rotate, wherein a bearing wheel (13) for supporting the mixing drum (2) is arranged on the frame (1); the method is characterized in that: one end of the mixing drum (2) far away from the driving part (3) is provided with a necking-shaped opening (22), the outer edge of the opening (22) is hinged with a sealing cover (4), the axis of the sealing cover (4) is coaxial with the rotation axis of the mixing drum, and the center of the sealing cover (4) is rotationally connected with a water inlet pipe (6); and a locking piece (5) for locking the sealing cover (4) is arranged on the mixing drum (2).

2. A concrete mixer according to claim 1, wherein: retaining member (5) include locking bolt (51) and with locking bolt (51) threaded connection's latch segment (52), latch segment (52) set up on opening (22) outer wall of churn (2), the border department of sealed lid (4) is provided with connecting block (41), when sealed lid (4) lid fits on opening (22), connecting block (41) and latch segment (52) threaded connection can be passed in locking bolt (51).

3. A concrete mixer according to claim 2, wherein: the outer wall of the mixing drum (2) is provided with a fixing ring, and after the sealing cover (4) is opened and turned over, the locking bolt (51) can penetrate through the connecting block (41) to be in threaded connection with the fixing ring.

4. A concrete mixer according to claim 1, wherein: the sealing cover (4) is rotatably connected with the water inlet pipe (6) through a bearing (7).

5. A concrete mixer according to claim 4, wherein: transparent glass (42) is arranged on the outer periphery of the bearing (7) of the sealing cover (4), and a through hole (421) for mounting the bearing (7) is formed in the middle of the transparent glass (42).

6. A concrete mixer according to claim 5, wherein: a baffle ring (422) for blocking the bearing (7) is convexly arranged at one end of the inner wall of the through hole (421) close to the inner part of the mixing drum (2), the water inlet pipe (6) penetrates through the baffle ring (422), and the water inlet pipe (6) is in interference fit with the inner wall of the bearing (7); a gap is reserved between one side, far away from the inner part of the stirring cylinder (2), of the baffle ring (422) and the bearing (7).

7. A concrete mixer according to claim 1, wherein: the one end that the churn (2) was kept away from in inlet tube (6) is connected with hose (61), install on frame (1) and take water storage box (9), hose (61) are connected with water pump (8), the other end and the storage water tank intercommunication of water pump (8).

8. A concrete mixer according to claim 7, wherein: and scales (91) are arranged on the water storage tank (9).