Labor saving tool shovel

Abstract

The application discloses a labor-saving tool shovel, which comprises a front shovel part, a manipulating part, a supporting part and a connecting base. The front shovel part comprises a shovel rod and a shovel head arranged at the end of the shovel rod; the manipulating part comprises an extension rod; the supporting part comprises a supporting rod and a roller arranged at the end of the supporting rod and pressed on the ground; and the connecting base is connected with the other end of the supporting rod. The connecting base is connected with the shovel rod, the extension rod and the supporting rod respectively, and a first included angle is formed between the shovel rod and the supporting rod, and a second included angle is formed between the extension rod and the supporting rod. The labor-saving tool shovel can realize labor-saving operation, reduce the working burden of workers and labor intensity, and can also optimize the effect of mixing mortar, so that the mixing of mortar is more uniform, thereby improving the working efficiency.

Description

Technical Field

[0001] This invention relates to the field of tool shovel technology, and in particular to a labor-saving tool shovel. Background Technology

[0002] A shovel, also known as a spade, is a common tool for digging, lifting, or moving materials. It is suitable for materials such as sand, snow, and soil, and is widely used in construction, landscaping, agriculture, and other fields. For example, in the construction and decoration industry, it is often necessary to mix sand and cement evenly. When mechanical equipment cannot be used, workers usually use traditional hand shovels to mix the mortar.

[0003] When mixing cement, workers pour sand and cement together to form a mixed sand pile. Then, they shovel up the material at the bottom of the sand pile and pour it back onto the top of the mixed sand pile (i.e., the sand-throwing action). When pouring, the sand and cement in the air mix together. This shoveling and sand-throwing operation is repeated to achieve a uniform mixture of sand and cement.

[0004] However, due to the limited range of motion in manual sand-throwing operations, the mixing effect of sand and cement is also limited. Therefore, traditional operations require workers to perform repeated operations multiple times, resulting in a large number of operations, long processing times, and low work efficiency. Moreover, during operation, workers need to bend over and swing the shovel, bearing the weight of both the sand and the shovel itself, leading to high labor intensity, spinal strain, and even workplace injuries.

[0005] Therefore, how to design a labor-saving tool shovel to overcome the above-mentioned technical problems is a key question. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a labor-saving tool shovel that enables labor-saving operation, reduces the workload of workers, and lowers labor intensity; at the same time, it optimizes the ash mixing effect and improves work efficiency.

[0007] The objective of this invention is achieved through the following technical solution:

[0008] A labor-saving tool shovel includes: a front shovel component, an operating component, a support component, and a connecting base;

[0009] The front shovel component includes a shovel bar and a shovel head located at the end of the shovel bar; the operating component includes an extension rod; the support component includes a support rod and a roller; the roller is located at the end of the support rod and pressed against the ground; and the connecting base is connected to the other end of the support rod.

[0010] The connecting base connects the shovel rod, the extension rod, and the support rod respectively, and the shovel rod and the support rod form a first angle, and the extension rod and the support rod form a second angle.

[0011] In one embodiment, the end of the support rod is provided with a telescopic auxiliary rod, which slides telescopically along the axial direction of the support rod. A buffer elastic element is provided between the telescopic auxiliary rod and the support rod, and a wheel frame for mounting the roller is provided on the telescopic auxiliary rod.

[0012] In one embodiment, the buffer elastic element is a spring structure, and the buffer elastic element is sleeved around the telescopic auxiliary rod and the support rod. Both the telescopic auxiliary rod and the support rod are provided with fixing plates, and the two ends of the buffer elastic element abut against the two fixing plates respectively.

[0013] In one embodiment, the connecting base is fixedly connected to one or more of the support rod, the shovel rod, and the extension rod.

[0014] In one embodiment, the locking assembly is provided on the connecting base, and the connecting base is hinged to one or more of the support rod, the shovel rod, and the extension rod through the locking assembly.

[0015] In one embodiment, the locking assembly includes: a connector, a positioning structure, and a limiting bolt. The positioning structure includes a protrusion on the connecting base and a groove on the connector. The groove is adapted to the protrusion. The connector is disposed on the shovel and the extension rod.

[0016] The limiting bolt passes through the connector and the connecting base. By turning the limiting bolt, the connection between the connector and the connecting base can be locked or loosened.

[0017] In one embodiment, the locking assembly includes: a connector, a locking structure, and a limiting bolt. The locking structure includes a first toothed disc disposed on the connecting base and a second toothed disc disposed on the connector. The second toothed disc is adapted to the first toothed disc. The connector is disposed on the shovel and the extension rod.

[0018] The limiting bolt passes through the connector and the connecting base. By turning the limiting bolt, the connection between the connector and the connecting base can be locked or loosened.

[0019] In one embodiment, the manipulation component includes a grip bar located at the end of the extension bar.

[0020] In summary, the labor-saving tool shovel of the present invention can not only achieve labor-saving operation, reduce the workload of workers, and reduce labor intensity, but also optimize the ash mixing effect, making the ash mixing more uniform, thereby improving work efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below.

[0022] Figure 1 This is a schematic diagram of the structure of the labor-saving tool shovel of the present invention;

[0023] Figure 2 for Figure 1 A plan view of the labor-saving tool shovel shown;

[0024] Figure 3 for Figure 1 An exploded view of the labor-saving tool shovel shown;

[0025] Figure 4 for Figure 3 An exploded view of the supporting component shown.

[0026] Figure 5 This is a schematic diagram of the structure connecting the base and the locking assembly;

[0027] Figure 6 for Figure 1 The diagram shows the folded state of the labor-saving tool shovel. Detailed Implementation

[0028] To facilitate understanding of the present invention, a more comprehensive description will be provided below with reference to the accompanying drawings. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the implementation conditions of the present invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effects and objectives achieved by the present invention, should still fall within the scope of the technical content disclosed in the present invention. Furthermore, the terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships are also considered within the scope of the present invention without substantial alteration of the technical content.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] This invention provides a labor-saving tool shovel 10, designed to facilitate convenient and quick ash mixing operations, reducing the workload of workers. Figure 1 As shown, the labor-saving tool shovel 10 includes: a front shovel component 100, an operating component 200, a support component 300, and a connecting base 400.

[0031] Among them, such as Figure 2 and Figure 3 As shown, the front shovel component 100 includes a shovel bar 110 and a shovel head 120 located at the end of the shovel bar 110. The operating component 200 includes an extension rod 210. The support component 300 includes a support rod 310 and a roller 320. The roller 320 is located at the end of the support rod 310 and pressed against the ground. The connecting base 400 is connected to the other end of the support rod 310. The connecting base 400 connects the shovel bar 110, the extension rod 210, and the support rod 310 respectively. A first angle 301 is formed between the shovel bar 110 and the support rod 310, and a second angle 302 is formed between the extension rod 210 and the support rod 310. Preferably, the length of the extension rod 210 is greater than the length of the shovel bar 110.

[0032] In this embodiment, as Figure 4 As shown, the end of the support rod 310 is provided with a telescopic auxiliary rod 311. The telescopic auxiliary rod 311 slides and extends along the axial direction of the support rod 310. A buffer elastic element 312 is provided between the telescopic auxiliary rod 311 and the support rod 310. A wheel frame 313 for mounting the roller 320 is provided on the telescopic auxiliary rod 311.

[0033] Preferably, the buffer elastic element 312 is a spring structure, which is sleeved around the telescopic auxiliary rod 311 and the support rod 310. Both the telescopic auxiliary rod 311 and the support rod 310 are provided with fixing plates 314, and the two ends of the buffer elastic element 312 abut against the two fixing plates 314 respectively. The buffer elastic element 312 plays an important role in the use of the labor-saving tool shovel 10, and its design principle and beneficial effects will be explained below.

[0034] In this embodiment, as Figure 3 As shown, the operating component 200 includes a grip bar 220, which is located at the end of the extension bar 210. The grip bar 220 is designed to facilitate push-pull and press-down operations for the worker, making it more ergonomic.

[0035] The working principle of the labor-saving tool shovel 10 of the present invention is as follows:

[0036] Taking the mixing of cement during decoration as an example, the overall operation can be divided into two steps: shoveling sand and spreading sand. In the traditional sand shoveling step, workers need to bend over and swing the shovel to insert the shovel head into the sand pile and scoop up more sand. Then, the scooped sand is poured back onto the sand pile to mix the sand and cement. However, with the labor-saving tool shovel 10 of this invention, the entire cement mixing process will be more convenient and labor-saving.

[0037] Specifically, in use, the support component 300 stands upright on the ground via rollers 320. The worker places both hands on the handle bar 220 and applies a pushing force to the operating component 200, which moves the entire labor-saving shovel 10 forward. At this time, the shovel head 120 of the front shovel component 100 will be inserted into the sand pile. Subsequently, the worker pulls the extension 210 backward, causing the entire labor-saving shovel 10 to move backward. The shovel head 120 scoops up some sand and separates it from the sand pile, thus completing the sand-shoveling operation.

[0038] Next, the worker quickly presses down the extension 210 by holding the crossbar 220. The entire shovel 10 will swing around the roller 320 as a fulcrum, which will then cause the front shovel part 100 to tilt upwards. Under the action of centrifugal force, the sand separates from the shovel head 120, and the shovel head 120 splashes the sand forward, thus completing the sand-throwing operation. This part of the sand (and the mixture of cement powder) will be dispersed in the air and then fall back onto the sand pile. This process is repeated to achieve uniform mixing of the sand pile.

[0039] During the ash mixing process, the labor-saving shovel 10 utilizes the lever principle to achieve labor-saving operation. Specifically, the support component 300 is supported on the ground, and the weight of the shovel itself and the sand are borne by the support component 300, thus greatly reducing the burden on the worker. Secondly, the roller 320 serves as the rotation center of the entire labor-saving shovel 10. The weight borne by the shovel head 120 is transmitted to the support rod 310 through the shovel handle 110, with the lever arm being the projected length of the shovel handle 110. Similarly, the worker's operation is transmitted to the support rod 310 through the extension 210, with the lever arm being the projected length of the extension 210. The length of the extension 210 is greater than the length of the shovel handle 110, thus achieving the labor-saving effect of leverage. Moreover, workers do not need to bend over when using the labor-saving shovel 10, which better protects the worker's spine and reduces strain.

[0040] It is important to emphasize that the buffer elastic element 312 plays a crucial role in the operation, allowing the sand to be lifted higher and spread more evenly in the air during the sand-throwing operation. Specifically, during sand-throwing, the worker quickly presses down on the extension 210, causing the entire shovel 10 to sway around the roller 320 as a fulcrum. Simultaneously, some of the pressure compresses the buffer elastic element 312. Then, at the moment the worker stops applying force, the elastic potential energy accumulated in the buffer elastic element 312 is rapidly released, causing the shovel 10 to tend to jump upwards. This results in a greater centrifugal force on the sand on the shovel head 120 at the moment of lifting, allowing it to spread more evenly in the air, thus achieving better sand-throwing operation and promoting uniform mixing of the sand pile.

[0041] In this invention, the connecting base 400 serves as a common connector for multiple components, and it can be connected to the shovel bar 110, the extension bar 210, and the support bar 310 in various ways. Preferably, the connecting base 400 can be fixedly connected to one or more of the support bar 310, the shovel bar 110, and the extension bar 210, for example, through welding, riveting, or other methods. This type of fixed connection ensures that the sizes of the first included angle 301 and the second included angle 302 are relatively fixed.

[0042] Of course, a movable connection method can also be used. For example, the connecting base 400 is provided with a locking assembly 410, and the connecting base 400 is hinged to one or more of the support rod 310, shovel rod 110, and extension rod 210 through the locking assembly 410. This type of movable connection method allows the size of the first included angle 301 and the second included angle 302 to be adjusted according to actual needs. When the first included angle 301 is adjusted, it changes the tilt angle of the shovel head 120 when it shovels down; when the second included angle 302 is adjusted, it can change the degree of tilt of the extension rod 210 relative to the support rod 310, thereby adjusting the height of the end of the extension 210 (holding crossbar 220) to accommodate workers of different heights.

[0043] The structure of the locking component 410 can be adapted as needed. To facilitate understanding, this article provides two specific embodiments of the locking component 410 for illustration, as follows: Specific Implementation Example 1:

[0045] like Figure 5As shown, the locking assembly 410 includes a connector 411, a positioning structure 412, and a limiting bolt 413. The positioning structure 412 includes a protrusion 4121 on the connecting base 400 and a groove 4122 on the connector. The groove 4122 is adapted to the protrusion 4121. The connector 411 is mounted on the shovel rod 110 and the extension rod 210. The limiting bolt 413 passes through the connector 411 and the connecting base 400. Tightening the limiting bolt 413 controls the locking or loosening of the connector 411 and the connecting base 400.

[0046] During adjustment, the operator loosens the limiting bolt 413 to disengage the protrusion 4121 from the groove 4122, then rotates the shovel rod 110 or the extension rod 210 to adjust to the appropriate angle, and then tightens the limiting bolt 413 to make the protrusion 4121 sink back into the groove 4122, thus fixing the connector 411 onto the connecting base 400. Specific Implementation Example 2:

[0048] like Figure 5 As shown, the locking assembly 410 includes a connector 411, a locking structure 414, and a limiting bolt 413. The locking structure 414 includes a first toothed disc 4141 disposed on the connecting base 400 and a second toothed disc 4142 disposed on the connector 411. The second toothed disc 4142 is adapted to the first toothed disc 4141. The connector 411 is disposed on the shovel rod 110, the extension rod 210, or the support rod 310. The limiting bolt 413 passes through the connector 411 and the connecting base 400. By tightening the limiting bolt 413, the locking or loosening of the connector 411 and the connecting base 400 can be controlled.

[0049] Similarly, during adjustment, the operator loosens the limiting bolt 413 to disengage the first gear plate 4141 and the second gear plate 4142 from each other, allowing for angle adjustment. After adjustment, the limiting bolt 413 is tightened to press the first gear plate 4141 and the second gear plate 4142 against each other, thus achieving a fixed connection between the connector 411 and the connecting base 400.

[0050] It is worth emphasizing that, with the adoption of the movable connection method, when not in use, the operator can adjust the size of the first included angle 301 and the second included angle 302 to bring the shovel bar 110, the extension bar 210, and the support bar 310 closer together (e.g., ...). Figure 6 As shown, this allows the labor-saving tool shovel 10 to be folded, reducing the overall space occupied by the labor-saving tool shovel 10 and making it easier to carry and store.

[0051] In other embodiments, for ease of storage and handling, the shovel handle 110, extension rod 210, or support rod 310 can be telescopic rods. This allows them to be folded up when not in use, thus shortening their length.

[0052] Furthermore, the labor-saving shovel 10 of the present invention is also applicable to snow shoveling / snow removal operations, and its operation can be referenced to ash mixing operations. Specifically, in use, the labor-saving shovel 10 uses the roller 320 as a moving fulcrum, aligns the shovel head 120 with the snow on the ground, and applies force to push the labor-saving shovel 10 forward as a whole, so that the snow can be shoveled into the shovel head 120; then, press down with both hands to hold the crossbar 220, so that the labor-saving shovel 10 is tilted as a whole, and the snow in the shovel head 120 is thrown out.

[0053] Similar to the ash mixing operation, under the action of the buffer elastic element 312, at the moment the force is applied, the elastic potential energy accumulated by the buffer elastic element 312 is rapidly released, and the entire labor-saving tool shovel 10 tends to jump upward. The snow inside the shovel head 120 is subjected to a greater centrifugal force, and it will be thrown forward further.

[0054] In summary, the labor-saving tool shovel 10 of the present invention can not only achieve labor-saving operation, reduce the workload of workers, and reduce labor intensity, but also optimize the ash mixing effect, making the ash mixing more uniform, thereby improving work efficiency.

[0055] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A labor-saving tool shovel, characterized in that, include: Front shovel assembly, control assembly, support assembly, and connecting base; The front shovel component includes a shovel bar and a shovel head located at the end of the shovel bar; the operating component includes an extension rod; the support component includes a support rod and a roller; the roller is located at the end of the support rod and pressed against the ground; and the connecting base is connected to the other end of the support rod. The connecting base connects the shovel rod, the extension rod, and the support rod respectively, and the shovel rod and the support rod form a first angle, and the extension rod and the support rod form a second angle.

2. The labor-saving tool shovel according to claim 1, characterized in that, The end of the support rod is provided with a telescopic auxiliary rod, which slides and extends along the axis of the support rod. A buffer elastic element is provided between the telescopic auxiliary rod and the support rod, and a wheel frame for mounting the roller is provided on the telescopic auxiliary rod.

3. The labor-saving tool shovel according to claim 2, characterized in that, The buffer elastic element is a spring structure, and the buffer elastic element is sleeved around the telescopic auxiliary rod and the support rod.

4. The labor-saving tool shovel according to claim 1, characterized in that, The connecting base is fixedly connected to one or more of the support rod, the shovel rod, and the extension rod.

5. The labor-saving tool shovel according to claim 1, characterized in that, The locking assembly is provided on the connecting base, and the connecting base is hinged to one or more of the support rod, the shovel rod, and the extension rod through the locking assembly.

6. The labor-saving tool shovel according to claim 5, characterized in that, The locking assembly includes: a connector, a positioning structure, and a limiting bolt. The positioning structure includes a protrusion on the connecting base and a groove on the connector. The groove is adapted to the protrusion. The connector is located on the shovel and the extension rod. The limiting bolt passes through the connector and the connecting base. By turning the limiting bolt, the connection between the connector and the connecting base can be locked or loosened.

7. The labor-saving tool shovel according to claim 5, characterized in that, The locking assembly includes: a connector, a locking structure, and a limiting bolt. The locking structure includes a first toothed disc disposed on the connecting base and a second toothed disc disposed on the connector. The second toothed disc is adapted to the first toothed disc. The connector is disposed on the shovel and the extension rod. The limiting bolt passes through the connector and the connecting base. By turning the limiting bolt, the connection between the connector and the connecting base can be locked or loosened.

8. The labor-saving tool shovel according to claim 1, characterized in that, The operating component includes a grip bar located at the end of the extension bar.

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