Electric pick with damping function

Abstract

The invention relates to the field of electric crushing tools, in particular to an electric pick with a damping function, which comprises an electric pick, a grip and a pick head, the grip is connected to the side edge of the electric pick, the pick head made of a high-hardness material is mounted on the electric pick, the electric pick further comprises a holding mechanism, a force unloading assembly, a dust falling assembly and the like, and the holding mechanism for reducing impact force is arranged at the top of the electric pick. A worker holds the electric pick through the holding mechanism, a force unloading assembly is arranged on the electric pick and used for unloading part of impact force generated when the pick head rebounds, and a dust falling assembly used for restraining flying dust in a working area is arranged on the electric pick. The impact force generated when the pickaxe retracts is effectively dispersed through the flywheel design of a mushroom-shaped structure, so that the operation comfort is improved, it is ensured that enough resilience force can be provided for buffering even under strong impact through the elastic piece with the high elasticity coefficient, the holding experience of workers is optimized, the hand fatigue and injury risks are reduced, and the safety of the workers is improved. And the damping function is achieved.

Description

Technical Field

[0001] The invention relates to the field of electric crushing tools, in particular to an electric pick with a shock absorbing function. Background Art

[0002] As a double-insulated handheld electric tool powered by a single-phase series-excited motor, the electric pick has been widely used in the field of construction engineering due to its high efficiency, convenience, safety and reliability. It is mainly used for crushing, chiseling, digging, grooving and cutting of hard materials such as concrete, masonry structures, asphalt pavements, etc. It is an indispensable and important tool in engineering construction such as pipeline laying, machinery installation, water supply and drainage facilities construction, interior decoration and port facilities construction. The electric pick generates high-frequency vibration through the motor-driven vibration mechanism, transfers energy to the working head, and then achieves the crushing and removal of materials, greatly improving construction efficiency.

[0003] In the prior art, the use of an electric pick usually includes the following steps: first, select a suitable pick head or accessory, such as a chisel or shovel, according to the work requirements, and firmly install it on the electric pick; then, turn on the power, start the electric pick, and put it into working state; then, the operator holds the electric pick and uses the vibration force generated by the machine to crush or demolish the target material; finally, turn off the power after completing the work and perform necessary maintenance and care. However, although the electric pick plays an important role in construction, there are also some problems that cannot be ignored during its use.

[0004] While existing electric picks can efficiently complete operations such as crushing and excavation, they also face two significant challenges. First, the high-frequency vibration and strong impact force generated by the operation of the electric pick, although it improves work efficiency, long-term exposure to this environment will cause the operator's hands, arms and even the whole body to be affected by vibrations to varying degrees, which may lead to muscle fatigue, joint pain, and even occupational diseases in the long run. Secondly, the dust and debris raised during the operation are also a big problem. These tiny particles not only pollute the construction environment, but also pose a direct threat to the respiratory system of the operator. Long-term inhalation may cause respiratory diseases and affect health. Therefore, balancing the impact force and dust problems during the use of the electric pick has become the key to improving work efficiency and protecting the health of operators. Summary of the invention

[0005] In order to overcome the shortcomings of vibration impact and dust pollution, the present invention provides an electric pick with shock absorption function and dust prevention function.

[0006] An electric pick with a shock-absorbing function comprises an electric pick, a handle and a pick head, wherein the handle is connected to the side of the electric pick, and the electric pick is equipped with a pick head made of a high-hardness material. The electric pick also comprises a holding mechanism, a force unloading component and a dust reduction component. A holding mechanism for reducing impact force is provided on the top of the electric pick, and a worker holds the electric pick through the holding mechanism. The electric pick is provided with a force unloading component for unloading part of the impact force when the pick head rebounds, and the electric pick is provided with a dust reduction component for suppressing dust in a working area.

[0007] In one embodiment, the holding mechanism includes a push handle, a threaded rod, a connecting plate, an elastic member and an adjustment assembly. The bottoms of the two threaded rods are slidably connected to the top of the electric pick, and the tops of the two threaded rods are slidably connected to the push handle. A sliding cavity is provided in the push handle to limit the sliding stroke of the threaded rod in the push handle. A switch is installed in the middle of the push handle, and the switch is used to start and stop the electric pick. The connecting plate is connected to the middle of the top of the electric pick. The bottoms of the two threaded rods pass through the connecting plate, and an elastic member is sleeved on the lower end of the threaded rod. One end of the elastic member is connected to the connecting plate, and the other end is connected to the bottom of the push handle. An adjustment assembly is provided on the top of the electric pick, and the adjustment assembly cooperates with the thread of the threaded rod to adjust the compression stroke of the elastic member.

[0008] In one embodiment, the adjustment assembly includes a worm wheel, a worm and a turning handle. The worm is rotatably connected to the top of the electric pick, and the worm wheel is rotatably connected to the top of the electric pick. It is located below the connecting plate and is threadedly connected to the threaded rod. The worm wheel and worm are matched with each other in transmission. The turning handle is connected to both ends of the worm for rotating the worm wheel.

[0009] In one embodiment, the force unloading assembly includes a socket plate, a connecting plate, a mounting rod and a flywheel. The mounting rod is connected to an electric pick, and a flywheel is rotatably connected to the mounting rod. The end of the pick head of the electric pick is connected to a socket plate. One end of the connecting plate is rotatably connected to the flywheel, and the other end is rotatably connected to the socket plate, and the connecting plate and the flywheel are eccentrically connected.

[0010] In one of the embodiments, the dust reduction assembly includes a power element, a support box, a duct and a rubber guide sleeve. The support box is connected to an electric pickaxe, the power element is mounted on the support box, a rubber guide sleeve is connected to the pickaxe head, the rubber guide sleeve is trumpet-shaped, and the rubber guide sleeve and the power element are connected through a duct.

[0011] In one of the embodiments, it also includes a limiting sleeve, the limiting sleeve is connected to the electric pick, and the flywheel is slidably connected in the limiting sleeve.

[0012] In one of the embodiments, a buffer sleeve is also included, and the buffer sleeve is provided on the grip and the push handle.

[0013] In one embodiment, the flywheel is a mushroom-shaped structure and is made of metal.

[0014] In one of the embodiments, the elastic coefficient of the elastic member is large, and the maximum rebound force of the elastic member after compression is greater than the weight of the electric pick.

[0015] In one of the embodiments, the buffer sleeve is provided with an anti-slip pattern, and the pattern is provided in different directions according to the direction of the force.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The mushroom-shaped flywheel design effectively disperses the impact force when the pick head retracts, significantly reduces the force transmitted to the electric pick body, and thus improves the operating comfort. The elastic parts with high elastic coefficient ensure that even under strong impact, sufficient rebound force can be provided for buffering, which optimizes the staff's grip experience, reduces hand fatigue and the risk of injury, and realizes the shock absorption function.

[0018] 2. The rubber guide sleeve and the power element can effectively suppress the dust in the working area and keep the working environment clean. It not only improves the work efficiency, but also protects the respiratory health of the staff and realizes the dust prevention function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention from a first viewing angle.

[0020] Figure 2 It is a schematic diagram of the overall structure of the second viewing angle of the present invention.

[0021] Figure 3 It is a schematic diagram of the installation structure of the holding mechanism of the present invention.

[0022] Figure 4 It is a schematic diagram of the connection structure of the adjustment component of the present invention.

[0023] Figure 5 It is a partial structural cross-sectional view of the holding mechanism of the present invention.

[0024] Figure 6 It is a schematic diagram of the connection structure of the force unloading assembly of the present invention.

[0025] Figure 7 It is an exploded view of the force unloading assembly of the present invention.

[0026] Figure 8 It is a front view of the connection structure of the dust reduction component of the present invention.

[0027] In the accompanying drawings: 1-electric pick, 11-handle, 12-pick head, 2-holding mechanism, 21-push handle, 211-sliding cavity, 22-threaded rod, 23-connecting plate, 24-elastic member, 25-adjusting assembly, 251-worm gear, 252-worm, 253-turn handle, 3-force unloading assembly, 31-socket plate, 32-connecting plate, 33-limiting sleeve, 34-mounting rod, 35-flywheel, 4-dust reduction assembly, 41-power element, 42-support box, 43-conduit, 44-rubber guide sleeve, 5-buffer sleeve. DETAILED DESCRIPTION

[0028] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0029] Embodiment 1: An electric pick with a shock-absorbing function, such as Figure 1 and Figure 2 As shown, it includes an electric pick 1, a handle 11 and a pick head 12. The handle 11 is connected to the side of the electric pick 1, and the pick head 12 made of high hardness material is installed on the electric pick 1. It also includes a holding mechanism 2, a force unloading component 3 and a dust reduction component 4. The top of the electric pick 1 is provided with a holding mechanism 2 for mitigating impact force, and the staff holds the electric pick 1 through the holding mechanism 2. The electric pick 1 is provided with a force unloading component 3 for unloading part of the impact force when the pick head 12 rebounds. The electric pick 1 is provided with a dust reduction component 4 for suppressing dust in the working area.

[0030] When using the electric pick 1, the staff holds the handle 11 and aims the pick head 12 at the target to be crushed. After starting the electric pick 1, the target is crushed by the pick head 12. During this period, the holding mechanism 2 and the force unloading component 3 can reduce the impact force directly received by the staff, and the dust reduction component 4 can suppress dust from being raised.

[0031] like Figure 3-Figure 5As shown, the holding mechanism 2 includes a push handle 21, a threaded rod 22, a connecting piece 23, an elastic member 24 and an adjusting assembly 25. The bottoms of the two threaded rods 22 are slidably connected to the top of the electric pick 1, and the tops of the two threaded rods 22 are slidably connected to the push handle 21 together. A sliding cavity 211 is provided in the push handle 21 to limit the sliding stroke of the threaded rod 22 in the push handle 21. A switch is installed in the middle of the push handle 21, and the switch is used to start and stop the electric pick 1. The connecting piece 23 is fixedly connected to the middle of the top of the electric pick, and the bottoms of the two threaded rods 22 pass through the connecting piece 23, and the lower end of the threaded rod 22 is sleeved with an elastic member 24, one end of the elastic member 24 is connected to the connecting piece 23, and the other end is connected to the bottom of the push handle 21. The connecting piece 23 supports the top of the elastic member 24, and an adjusting assembly 25 is provided on the top of the electric pick 1, which is threadedly matched with the threaded rod 22 to adjust the compression stroke of the elastic member 24. The elastic coefficient of the elastic member 24 is large, and the maximum rebound force of the elastic member 24 after compression is greater than the weight of the electric pick 1.

[0032] like Figure 3 and Figure 4 As shown, the adjustment assembly 25 includes a worm wheel 251, a worm 252 and a turning handle 253. The worm 252 is rotatably connected to the top of the electric pick 1. The worm wheel 251 is rotatably connected to the top of the electric pick 1, is located below the connecting plate 23, and is threadedly connected to the threaded rod 22. The worm wheel 251 and the worm 252 are matched in transmission. The turning handle 253 is connected to both ends of the worm 252 and is used to rotate the worm wheel 251.

[0033] Before crushing, according to the hardness of the crushing target, the compression degree of the elastic member 24 is adjusted by adjusting the component 25. If the target hardness is low, the number of rebounds is small, and the staff pushes the electric pick 1 to directly crush. At this time, the compression stroke of the elastic member 24 is large, and the impact force of the electric pick 1 is not enough to compress the elastic member 24 again, ensuring the stability of the handle 11 and preventing it from moving up and down. If the target hardness is large, the turning handle 253 is twisted, and the worm 252 rotates accordingly. Through the transmission cooperation between the worm wheel 251 and the worm 252, the worm wheel 251 rotates, and the worm wheel 251 is threadedly connected to the threaded rod 22, thereby driving the threaded rod 22 to rotate and move the threaded rod 22 upward. Due to the resilience of the elastic member 24, the threaded rod 22 is always in contact with the The push handle 21 contacts the bottom of the sliding cavity 211, and when the threaded rod 22 moves upward, the push handle 21 also moves upward due to the rebound force of the elastic member 24, and the elastic member 24 rebounds. Therefore, during the crushing process, when the impact force is transmitted upward, the staff pushes the push handle 21 to slide along the threaded rod 22 and compresses the elastic member 24. Therefore, during the crushing process, when the impact force is transmitted upward, the staff can push the push handle 21 to slide along the threaded rod 22 and compress the elastic member 24 to buffer the impact force and protect the staff. It is worth mentioning that the elastic coefficient of the elastic member 24 is large, and its maximum rebound force after compression is greater than the weight of the electric pick 1, which ensures that no matter how large the impact force is, it can be effectively absorbed and dispersed.

[0034] like Figure 6 and Figure 7 As shown, the force unloading assembly 3 includes a socket plate 31, a connecting plate 32, a mounting rod 34 and a flywheel 35. The mounting rod 34 is connected to the electric pick 1, and the flywheel 35 is rotatably connected to the mounting rod 34. The end of the pick head 12 of the electric pick 1 is connected to the socket plate 31, one end of the connecting plate 32 is rotatably connected to the flywheel 35, and the other end is rotatably connected to the socket plate 31, and the connecting plate 32 and the flywheel 35 are eccentrically connected. The flywheel 35 is a mushroom-shaped structure and is made of metal.

[0035] like Figure 6 and Figure 7 As shown, it also includes a limiting sleeve 33, the limiting sleeve 33 is connected to the electric pick 1, and the flywheel 35 is slidably connected in the limiting sleeve 33.

[0036] When the pick head 12 retracts, the pick head 12 drives the socket plate 31 to move upward, and the socket plate 31 drives the flywheel 35 to rotate through the connecting plate 32. Since the connecting plate 32 is eccentrically connected to the flywheel 35, and the flywheel 35 is a metal with a relatively high density, the pick head 12 needs to allocate a part of its force to push the flywheel 35 to rotate, thereby reducing the impact force transmitted to the electric pick 1 body. Due to the incomplete circular shape and metal material of the flywheel 35, it provides a larger moment of inertia and resistance, thereby significantly reducing the impact force transmitted to the electric pick 1 body and protecting the safety of the equipment and operators.

[0037] like Figure 8 As shown, the dust reduction assembly 4 includes a power element 41, a support box 42, a conduit 43 and a rubber guide sleeve 44. The support box 42 is connected to the electric pick 1, and the power element 41 is installed on the support box 42. The rubber guide sleeve 44 is sleeved on the upper end of the pick head 12. The rubber guide sleeve 44 is trumpet-shaped as a whole, and the rubber guide sleeve 44 and the power element 41 are connected through the conduit 43.

[0038] If the power element 41 is a vacuum pump, clean water is filled in the support box 42, and an air hole is opened on the top of the support box 42. When the electric pick 1 is working, the power element 41 is also turned on at the same time, and the rubber guide sleeve 44 is connected by the conduit 43 to evacuate the area at the front end of the rubber guide sleeve 44. The dust flows into the support box 42 along with the gas. After the dust comes into contact with the clean water, it is adsorbed by the clean water, and the gas passes through the clean water and is discharged from the air hole on the top of the support box 42.

[0039] like Figure 1 and Figure 2As shown, it also includes a buffer sleeve 5. The grip 11 and the push handle 21 are covered with the buffer sleeve 5. The buffer sleeve 5 is provided with an anti-slip pattern, and the pattern is provided with different directions according to the direction of the force. Holding the buffer sleeve 5 with different anti-slip patterns with both hands can directly protect the hands of the worker. The buffer sleeve 5 not only provides a comfortable holding feeling, but also further protects the hands of the worker from direct damage by the rebound impact force of the electric pick 1 through its anti-slip pattern and buffering performance.

[0040] When using the electric pick 1 with a shock-absorbing function, the worker first firmly holds the electric pick 1 through the grip 11 and the push handle 21 with the buffer sleeve 5. According to the hardness of the crushed target, the worker can pre-adjust the compression stroke of the elastic member 24 through the adjustment component 25. Specifically, the turning handle 253 drives the worm 252 to rotate, and the transmission cooperation between the worm 252 and the worm wheel 251 causes the worm wheel 251 to rotate, and then the threaded rod 22 is driven up and down through the threaded connection to adjust the compression degree of the elastic member 24 between the push handle 21 and the top of the electric pick 1. To meet the crushing requirements of different hardness, when the electric pick 1 is started and acts on the target, the impact force generated by the pick head 12 is relieved by the force unloading component 3, wherein the connecting plate 32 is eccentrically connected to the flywheel 35. When the pick head 12 retracts, the flywheel 35 is driven to rotate by the connecting plate 32, and the rotational inertia of the flywheel 35 is used to consume part of the impact force, effectively reducing the force transmitted to the body of the electric pick 1. At the same time, the dust reduction component 4 also starts to work, and the air flow in the conduit 43 is driven by the power element 41 to suck the dust in the front end area of ​​the rubber guide sleeve 44 into the support box 42. The clean water pre-installed in the support box 42 effectively absorbs and settles the dust, and the cleaned gas is discharged from the air holes on the top of the box, thereby significantly reducing the dust in the working area and improving the working environment.

[0041] Example 2: On the basis of Example 1, the power element 41 is changed to an atomizer, and the rubber guide sleeve 44 retains the original design, but cooperates with the conduit 43 in function to spray water mist instead of exhausting air. The support box 42 continues to be filled with clean water as the source of water mist. When the electric pick 1 starts to work, the power element 41 is also started synchronously. Through the transportation of the conduit 43, the atomizer converts the clean water into fine water mist, and sprays it to the area at its front end through the rubber guide sleeve 44. After the water mist comes into contact with the dust, it can quickly absorb and settle the dust particles, thereby effectively suppressing the raising of dust and significantly improving the air quality of the working environment.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric pick with a shock-absorbing function, characterized in that: The electric pick (1) comprises an electric pick (1), a handle (11) and a pick head (12); the electric pick (1) is connected to the handle (11) on the side; the electric pick (1) is provided with a pick head (12) made of a high-hardness material; the electric pick (1) further comprises a holding mechanism (2), a force unloading component (3) and a dust reduction component (4); the top of the electric pick (1) is provided with a holding mechanism (2) for reducing impact force; a worker holds the electric pick (1) through the holding mechanism (2); the electric pick (1) is provided with a force unloading component (3) for unloading part of the impact force when the pick head (12) rebounds; and the electric pick (1) is provided with a dust reduction component (4) for suppressing dust in a working area.

2. The electric pick with shock absorption function as claimed in claim 1, characterized in that: The holding mechanism (2) comprises a push handle (21), a threaded rod (22), a connecting piece (23), an elastic member (24) and an adjusting assembly (25). The bottoms of the two threaded rods (22) are slidably connected to the top of the electric pick (1). The tops of the two threaded rods (22) are slidably connected to the push handle (21). A sliding cavity (211) is provided in the push handle (21) to limit the sliding travel of the threaded rod (22) in the push handle (21). A switch is installed in the middle of the push handle (21) to start A power-off pick (1), a connecting plate (23) is connected to the middle of the top of the electric pick (1), the bottoms of two threaded rods (22) pass through the connecting plate (23), and an elastic member (24) is sleeved on the lower end of the threaded rod (22), one end of the elastic member (24) is connected to the connecting plate (23), and the other end is connected to the bottom of the push handle (21), and an adjustment component (25) is arranged on the top of the electric pick (1), and the adjustment component (25) is threadedly matched with the threaded rod (22) to adjust the compression stroke of the elastic member (24).

3. The electric pick with shock absorption function as claimed in claim 2, characterized in that: The adjustment assembly (25) includes a worm wheel (251), a worm (252) and a handle (253). The worm (252) is rotatably connected to the top of the electric pick (1). The worm wheel (251) is rotatably connected to the top of the electric pick (1), is located below the connecting plate (23), and is threadedly connected to the threaded rod (22). The worm wheel (251) and the worm (252) are in transmission cooperation. The handle (253) is connected to both ends of the worm (252) and is used to rotate the worm wheel (251).

4. The electric pick with shock absorption function as claimed in claim 3, characterized in that: The force unloading assembly (3) comprises a socket plate (31), a connecting plate (32), a mounting rod (34) and a flywheel (35); the mounting rod (34) is connected to the electric pick (1); the flywheel (35) is rotatably connected to the mounting rod (34); the end of the pick head (12) of the electric pick (1) is connected to the socket plate (31); one end of the connecting plate (32) is rotatably connected to the flywheel (35) and the other end is rotatably connected to the socket plate (31); and the connecting plate (32) and the flywheel (35) are eccentrically connected.

5. The electric pick with shock absorption function as claimed in claim 4, characterized in that: The dust reduction assembly (4) comprises a power element (41), a support box (42), a conduit (43) and a rubber guide sleeve (44); the support box (42) is connected to the electric pick (1); the power element (41) is mounted on the support box (42); the pick head (12) is connected to the rubber guide sleeve (44); the rubber guide sleeve (44) is horn-shaped, and the rubber guide sleeve (44) and the power element (41) are connected via the conduit (43).

6. The electric pick with shock absorption function as claimed in claim 5, characterized in that: It also comprises a limiting sleeve (33), the limiting sleeve (33) is connected to the electric pick (1), and the flywheel (35) is slidably connected in the limiting sleeve (33).

7. The electric pick with shock absorption function as claimed in claim 6, characterized in that: It also comprises a buffer sleeve (5), and the buffer sleeve (5) is sleeved on the grip (11) and the push handle (21).

8. The electric pick with shock absorption function as claimed in claim 7, characterized in that: The flywheel (35) is a mushroom-shaped structure and is made of metal.

9. The electric pick with shock absorption function as claimed in claim 8, characterized in that: The elastic coefficient of the elastic member (24) is large, and the maximum rebound force of the elastic member (24) after compression is greater than the weight of the electric pick (1).

10. The electric pick with shock absorption function as claimed in claim 9, characterized in that: The buffer sleeve (5) is provided with an anti-slip pattern, and the pattern is provided in different directions according to the direction of the force.

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