A type of replaceable tooth crusher

Abstract

This utility model discloses a replaceable tooth crusher, belonging to the field of crusher technology. It includes a housing with a handle fixedly installed at the bottom. A pushing component is installed inside the housing. A notch is provided at the right end of the housing, and a rotating shaft is fixedly installed between the top and bottom of the housing at the notch. A plier head is rotatably connected to the outer wall of the rotating shaft. A handle is integrally fixedly installed at the left end of the plier head. Two sets of handles push a limiting plate away from the entry end of the limiting groove, thereby releasing the restriction on the limiting block and facilitating the removal and replacement of the limiting block with the plier head installed. After the limiting plate is released, a spring automatically pushes a slider along a groove, thereby causing the limiting plate to automatically block the entry end of the limiting groove. The counterweight is designed to balance the weight of the plier head at the right end of the housing, preventing arm fatigue when gripping the handle.

Description

Technical Field

[0001] This utility model relates to the field of crushing pliers technology, and more specifically, to a crushing pliers with replaceable teeth. Background Technology

[0002] Crusher pliers are generally used to crush certain hard solid materials that are not easily decomposed. Therefore, the design of the jaws of the crusher pliers often determines their functionality and service life. During use, the biting, pulling, and dragging actions of the jaws can cause severe wear on the jaws. In the past, the maintenance of the jaws of crusher pliers was often carried out by welding and grinding, which was cumbersome and time-consuming. It not only wasted manpower and resources, but also affected the tightness of the jaws, resulting in a decrease in the quality of the crusher's grip.

[0003] When existing shredders wear out during use, it is inconvenient to replace the teeth because the teeth at the jaws are fixed to the jaws with bolts. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a replaceable tooth crusher, which solves the aforementioned problems.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a replaceable tooth crusher, comprising a shell, a handle fixedly installed at the bottom of the shell, a pushing component installed inside the shell, a notch at the right end of the shell, a rotating shaft fixedly installed between the top and bottom of the shell at the notch, a pliers head rotatably connected to the outer wall of the rotating shaft, a handle integrally fixedly installed at the left end of the pliers head, two sets of the handles, the handles being connected to the pushing component, a limiting component installed on the side wall of the pliers head, a toothed plate connected to the limiting component, and a counterweight component installed at the left end of the handle.

[0006] Preferably, the pushing assembly includes an electric actuator, which is fixed to the inner wall of the left end of the housing. An I-beam is fixedly installed at the output end of the electric actuator. Round rods are fixedly installed between the inner walls of the front and rear sides of the I-beam. A rectangular groove is provided at the top of each of the two sets of handles, and the rectangular grooves penetrate through the bottom of the handles. The outer walls of the two sets of round rods are rotatably connected to the inner walls of the two sets of rectangular grooves.

[0007] Preferably, the limiting component includes a limiting groove, two sets of the limiting grooves are formed on the opposite sidewalls of the two sets of clamp heads, and both sets of limiting grooves penetrate the right end of the clamp head. A limiting block is inserted into the inner wall of each limiting groove, and the outer wall of the limiting block is fixedly connected to the toothed plate.

[0008] Preferably, each set of clamp heads has a sliding groove on the outer wall of the right end, and a guide rod is fixedly installed on the inner wall of each set of sliding grooves. A slider is slidably connected between the outer wall of the guide rod and the inner wall of the sliding groove. A limit plate is fixedly installed between the outer walls of the two sets of sliders, and the left side of the limit plate is in contact with the right side of the limit block.

[0009] Preferably, a spring is fixedly installed between the side wall of the slider and the inner wall of the groove, and the spring is sleeved on the outside of the guide rod.

[0010] Preferably, the counterweight assembly includes a mounting plate, which is fixed to the left side of the handle. Two sets of limiting rods are fixedly installed on the top of the handle, and a counterweight block is inserted between the outer walls of the two sets of limiting rods.

[0011] Preferably, a button is installed on the side wall of the handle, and the button is electrically connected to the electric actuator.

[0012] Compared with the prior art, the present invention provides a replaceable tooth crusher, which has the following advantages: Push the limiting plate away from the entry end of the limiting groove to release the restriction on the limiting block, making it easy to remove and replace the limiting block with the pliers head. After the limiting plate is released, the spring will automatically push the slider to move along the slide groove, thereby causing the limiting plate to automatically block the entry end of the limiting groove. The counterweight is designed to balance the weight of the pliers on the right side of the casing, preventing arm fatigue when gripping the handle. Attached Figure Description

[0013] Figure 1 A schematic diagram of a preferred embodiment of the novel replaceable tooth crusher provided by this utility model; Figure 2 for Figure 1 The diagram shows the internal structure of the outer shell. Figure 3 for Figure 1 The diagram shows the structure of the button. Figure 4 for Figure 1 The enlarged schematic diagram of part A shown below; Figure 5 for Figure 2 The enlarged schematic diagram of section B is shown below; Figure 6 for Figure 3 The enlarged schematic diagram of section C is shown.

[0014] In the diagram: 1. Handle; 2. Housing; 3. Counterweight assembly; 31. Mounting plate; 32. Limiting rod; 33. Counterweight block; 4. Handle; 5. Gear; 6. Limiting assembly; 61. Limiting plate; 62. Limiting groove; 63. Limiting block; 64. Slide groove; 65. Slider; 66. Guide rod; 67. Spring; 7. Clamping head; 8. Pushing assembly; 81. Electric push rod; 82. Rectangular groove; 83. I-beam plate; 84. Round rod; 9. Rotating shaft; 10. Button. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figures 1-6 This utility model provides a technical solution: A replaceable-tooth crusher includes a housing 2, with a handle 1 fixedly installed at the bottom of the housing 2. The housing 2 is characterized by: a pushing component 8 installed inside the housing 2; a notch at the right end of the housing 2; a rotating shaft 9 fixedly installed between the top and bottom of the housing 2 at the notch; a pliers head 7 rotatably connected to the outer wall of the rotating shaft 9; a handle 4 integrally fixedly installed at the left end of the pliers head 7; two sets of handles 4 connected to the pushing component 8; a limiting component 6 installed on the side wall of the pliers head 7; a toothed plate 5 connected to the limiting component 6; and a counterweight component 3 installed at the left end of the handle 1.

[0017] Furthermore, the pushing component 8 includes an electric push rod 81, which is fixed to the inner wall of the left end of the housing 2. An I-beam plate 83 is fixedly installed at the output end of the electric push rod 81. Round rods 84 are fixedly installed between the inner walls of the front and rear sides of the I-beam plate 83. The top of both sets of handles 4 are provided with rectangular grooves 82, and the rectangular grooves 82 penetrate through the bottom of the handles 4. The outer walls of the two sets of round rods 84 are rotatably connected to the inner walls of the two sets of rectangular grooves 82. When the output end of the electric push rod 81 pushes the I-beam plate 83 to extend and retract, the two sets of round rods 84 will move along the rectangular grooves 82, thereby driving the handles 4 to open or close, so that the pliers head 7 can cut.

[0018] The limiting component 6 includes a limiting groove 62. Two sets of limiting grooves 62 are opened on the opposite side walls of the two sets of clamp heads 7, and both sets of limiting grooves 62 penetrate the right end of the clamp head 7. Limiting blocks 63 are inserted into the inner walls of the limiting grooves 62. The outer walls of the limiting blocks 63 are fixedly connected to the toothed plates 5. Both the limiting grooves 62 and the limiting blocks 63 are T-shaped.

[0019] Furthermore, each set of pliers head 7 has a sliding groove 64 on the outer wall of its right end. A guide rod 66 is fixedly installed on the inner wall of each set of sliding grooves 64. A slider 65 is slidably connected between the outer wall of the guide rod 66 and the inner wall of the sliding groove 64. A limiting plate 61 is fixedly installed between the outer walls of the two sets of sliders 65. The left side of the limiting plate 61 is in contact with the right side of the limiting block 63. Pushing the limiting plate 61 away from the entry end of the limiting groove 62 releases the restriction on the limiting block 63, making it convenient to remove the limiting block 63 with the pliers head 7 installed for replacement.

[0020] Furthermore, a spring 67 is fixedly installed between the side wall of the slider 65 and the inner wall of the slide groove 64. The spring 67 is sleeved on the outside of the guide rod 66. After the limiting plate 61 is released, the spring 67 will automatically push the slider 65 to move along the slide groove 64, thereby causing the limiting plate 61 to automatically block the entry end of the limiting groove 62.

[0021] Furthermore, the counterweight assembly 3 includes a mounting plate 31, which is fixed to the left side of the handle 4. Two sets of limiting rods 32 are fixedly installed on the top of the handle 4. A counterweight block 33 is inserted between the outer walls of the two sets of limiting rods 32. The counterweight block 33 is designed to balance the weight of the pliers 7 at the right end of the outer shell 2, so that the arm will not get tired when holding the handle 1.

[0022] Furthermore, a button 10 is installed on the side wall of the handle 1. The button 10 is electrically connected to the electric actuator 81, and the button 10 can control the operation of the electric actuator 81.

[0023] Working principle: Hold the handle 1 and align the jaws 7 on the outer shell 2 with the object to be crushed. Then, push the component 8 to control the handle 4 to open or retract, thereby driving the teeth 5 on the jaws 7 to cut. The limiting component 6 can release the restriction on the teeth 5 on the jaws 7, so as to facilitate quick replacement of new teeth 5. The counterweight component 3 can balance the weight of the jaws 7 on the right end of the outer shell 2, so that the arm will not get tired when holding the handle 1.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A replaceable tooth crusher, comprising a housing (2), wherein a handle (1) is fixedly mounted on the bottom of the housing (2), characterized in that: The outer shell (2) is equipped with a push assembly (8). The outer shell (2) has a notch at the right end. A rotating shaft (9) is fixedly installed between the top and bottom of the inner shell (2) at the notch. A pliers head (7) is rotatably connected to the outer wall of the rotating shaft (9). A handle (4) is integrally fixedly installed on the left end of the pliers head (7). There are two sets of handles (4). The handles (4) are connected to the push assembly (8). A limit assembly (6) is installed on the side wall of the pliers head (7). A toothed piece (5) is connected to the limit assembly (6). A counterweight assembly (3) is installed on the left end of the handle (1).

2. The replaceable tooth crusher according to claim 1, characterized in that: The pushing assembly (8) includes an electric push rod (81), which is fixed to the inner wall of the left end of the outer shell (2). An I-beam plate (83) is fixedly installed at the output end of the electric push rod (81). Round rods (84) are fixedly installed between the inner walls of the front and rear sides of the I-beam plate (83). A rectangular groove (82) is provided at the top of each of the two sets of handles (4), and the rectangular groove (82) passes through the bottom of the handle (4). The outer walls of the two sets of round rods (84) are rotatably connected to the inner walls of the two sets of rectangular grooves (82).

3. The replaceable tooth crusher according to claim 1, characterized in that: The limiting component (6) includes a limiting groove (62), two sets of the limiting grooves (62) are opened on the opposite side walls of the two sets of clamp heads (7), and both sets of limiting grooves (62) penetrate the right end of the clamp head (7). The inner wall of the limiting groove (62) is inserted with a limiting block (63), and the outer wall of the limiting block (63) is fixedly connected to the toothed plate (5).

4. A replaceable-tooth crusher according to claim 3, characterized in that: Each set of clamp heads (7) has a sliding groove (64) on the outer wall of the right end. Each set of sliding grooves (64) has a guide rod (66) fixedly installed on the inner wall of the inner wall of the inner wall of the sliding groove (64). A slider (65) is slidably connected between the outer wall of the guide rod (66) and the inner wall of the sliding groove (64). A limiting plate (61) is fixedly installed between the outer walls of the two sets of sliders (65). The left side of the limiting plate (61) is in contact with the right side of the limiting block (63).

5. A replaceable-tooth crusher according to claim 4, characterized in that: A spring (67) is fixedly installed between the side wall of the slider (65) and the inner wall of the groove (64), and the spring (67) is sleeved on the outside of the guide rod (66).

6. A replaceable-tooth crusher according to claim 1, characterized in that: The counterweight assembly (3) includes a mounting plate (31), which is fixed to the left side of the handle (4). Two sets of limiting rods (32) are fixedly installed on the top of the handle (4), and a counterweight block (33) is inserted between the outer walls of the two sets of limiting rods (32).

7. A replaceable-tooth crusher according to claim 2, characterized in that: A button (10) is installed on the side wall of the handle (1), and the button (10) is electrically connected to the electric push rod (81).

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