Excavator bucket with bucket teeth convenient to replace

Abstract

An excavator bucket with bucket teeth convenient to replace comprises a bucket body, a plurality of mounting seats are fixedly connected to the front side wall of the bucket body, the bucket teeth are detachably connected into the mounting seats, first notches are formed in the two side walls of each mounting seat, an inserting groove is formed in the front side wall of each mounting seat, and a positioning groove is formed in the rear side wall of each inserting groove; containing grooves are formed in the two side walls of the positioning groove, and positioning blocks are arranged in the containing grooves in a sliding mode. Compared with the prior art, the shovel tooth structure has the advantages that the shovel teeth are detachably connected through the installation base, after the shovel teeth are excessively abraded, the shovel teeth can be independently replaced, the use cost is reduced, and through cooperation of the insertion groove, the positioning groove, the containing groove, the positioning block, the connecting rod, the first sealing plug, the first pull ring and the first spring, the shovel teeth can be conveniently and rapidly replaced. And the shovel teeth are convenient and rapid to replace and are more practical.

Description

Technical Field

[0001] The utility model relates to the technical field of excavator buckets, and particularly relates to an excavator bucket convenient for replacing cutting teeth. Background Art

[0002] A bucket is a mechanical device used for loading and transporting bulk materials. Buckets can be installed on various engineering machinery and equipment, such as loaders, excavators, cranes, etc. Its scope of use is very wide, and it is often used in fields such as earthwork projects, mining projects, construction projects, metallurgical projects, and port terminals.

[0003] During the use of the bucket, the cutting teeth come into contact with the excavated materials, which will cause the cutting teeth to wear. When the excavated materials are hard objects, the wear speed of the cutting teeth is even faster. Currently, most cutting teeth are welded to the bucket. When the cutting teeth are worn out and need to be replaced, the entire bucket needs to be replaced, resulting in a high use cost. Content of the Utility Model

[0004] Aiming at the above deficiencies in the prior art, the utility model provides an excavator bucket convenient for replacing cutting teeth to solve the problems raised in the above background art.

[0005] To achieve the above utility model purpose, the technical solution adopted by the utility model is an excavator bucket convenient for replacing cutting teeth, including a bucket. A plurality of mounting seats are fixedly connected to the front side wall of the bucket. A cutting tooth is detachably connected in the mounting seat. First notch openings are formed on both side walls of the mounting seat. A slot is provided on the front side wall of the mounting seat. A positioning groove is formed on the rear side wall of the slot. Accommodating grooves are formed on both side walls of the positioning groove. A positioning block is slidably arranged inside the accommodating groove. A connecting rod is fixedly connected to the side wall of the positioning block away from the positioning groove. The other end of the connecting rod extends into the first notch opening and is fixedly connected with a first sealing plug. A first pull ring is fixedly connected to the side wall of the first sealing plug away from the connecting rod. A first spring is arranged between the positioning block and the accommodating groove. The first spring is sleeved on the connecting rod.

[0006] As an improvement: A circular groove is formed on the upper side wall of the accommodating groove. Second notch openings are respectively provided on both sides of the upper side wall of the mounting seat. A limiting rod is arranged inside the circular groove. A second spring is sleeved on the limiting rod. One end of the second spring is fixedly connected to the upper side wall of the circular groove and the other end is fixedly connected to the lower side wall of the limiting rod. The upper end of the limiting rod extends into the second notch opening and is fixedly connected with a second sealing plug. A second pull ring is fixedly connected to the upper side wall of the second sealing plug.

[0007] As an improvement: A plug is fixedly connected to the rear side wall of the shovel tooth, a connecting block is fixedly connected to the rear side wall of the plug, and connecting grooves adapted to the positioning blocks are formed on both side walls of the connecting block.

[0008] As an improvement: A limiting hole adapted to the limiting rod is formed on the upper side wall of the positioning block.

[0009] As an improvement: A ball is provided at the bottom of the limiting rod.

[0010] As an improvement: Dovetail grooves are formed on both side walls of the slot, and sliding blocks adapted to the dovetail grooves are fixedly connected to both side walls of the plug.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By providing the mounting seat, the shovel tooth is detachably connected. When the shovel tooth is worn out excessively, the shovel tooth can be replaced separately, reducing the use cost. And through the cooperation among the slot, the positioning slot, the accommodating slot, the positioning block, the connecting rod, the first sealing plug, the first pull ring and the first spring, the replacement process of the shovel tooth is convenient and fast, and it is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall structural schematic diagram of an excavator bucket for facilitating the replacement of shovel teeth of the utility model;

[0014] Figure 2 is the structural schematic diagram of the mounting seat of an excavator bucket for facilitating the replacement of shovel teeth of the utility model;

[0015] Figure 3 is the sectional view of the mounting seat of an excavator bucket for facilitating the replacement of shovel teeth of the utility model;

[0016] Figure 4 is the structural schematic diagram of the first notch of an excavator bucket for facilitating the replacement of shovel teeth of the utility model;

[0017] Figure 5 is the structural schematic diagram of the shovel tooth of an excavator bucket for facilitating the replacement of shovel teeth of the utility model;

[0018] As shown in the figure:

[0019] 100. Bucket; 110. Mounting base; 200. Bucket tooth; 111. First notch; 120. Slot; 130. Positioning groove; 140. Receiving groove; 150. Positioning block; 160. Link; 170. First sealing plug; 180. First pull ring; 190. First spring; 300. Circular groove; 310. Second notch; 320. Limiting rod; 330. Second spring; 340. Second sealing plug; 350. Second pull ring; 210. Insert block; 220. Connecting block; 221. Connecting groove; 151. Limiting hole; 321. Ball; 121. Dovetail groove; 211. Slide block. Detailed implementation manners

[0020] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation manners.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front side", "rear side", "both sides", "one side", "the other side", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0023] Such as Figures 1 to 4As shown in the figure, an excavator bucket facilitating the replacement of cutting teeth includes a bucket 100. A plurality of mounting seats 110 are fixedly connected to the front side wall of the bucket 100. A cutting tooth 200 is detachably connected within the mounting seat 110. First notches 111 are formed on both side walls of the mounting seat 110. A slot 120 is provided on the front side wall of the mounting seat 110. A positioning groove 130 is formed on the rear side wall of the slot 120. Accommodating grooves 140 are formed on both side walls of the positioning groove 130. A positioning block 150 is slidably disposed within the accommodating groove 140. A connecting rod 160 is fixedly connected to a side wall of the positioning block 150 away from the positioning groove 130. The other end of the connecting rod 160 extends into the first notch 111 and is fixedly connected to a first sealing plug 170. A first pull ring 180 is fixedly connected to a side wall of the first sealing plug 170 away from the connecting rod 160. A first spring 190 is disposed between the positioning block 150 and the accommodating groove 140. The first spring 190 is sleeved on the connecting rod 160. When the cutting tooth 200 needs to be replaced, the first pull ring 180 is pulled to drive the first sealing plug 170 to drive the connecting rod 160 and the positioning block 150 to move, so that the positioning block 150 disengages from the connecting groove 221 and retracts into the accommodating groove 140. After losing the positioning of the positioning block 150, the cutting tooth 200 is pulled to disengage from the mounting seat 110, and then the disassembly is completed. When installing a new cutting tooth 200, the insertion block 210 on the cutting tooth 200 is inserted into the slot 120 on the mounting seat 110. The connecting block 220 will enter the positioning groove 130. Then the second pull ring 350 is pulled to drive the second sealing plug 340 to drive the limiting rod 320 to move upward, releasing the limitation on the positioning block 150. The positioning block 150 will be inserted into the connecting groove 221 on the connecting block 220 under the push of the first spring 190, fixing the connecting block 220 within the positioning groove 130, and then the installation of the new cutting tooth 200 is completed. The disassembly and assembly process is convenient and fast, and more practical.

[0024] Specifically, as Figure 3 shown in the figure, for an excavator bucket facilitating the replacement of cutting teeth, a circular groove 300 is formed on the upper side wall of the accommodating groove 140. Second notches 310 are respectively provided on both sides of the upper side wall of the mounting seat 110. A limiting rod 320 is disposed within the circular groove 300. A second spring 330 is sleeved on the limiting rod 320. One end of the second spring 330 is fixedly connected to the upper side wall of the circular groove 300 and the other end is fixedly connected to the lower side wall of the limiting rod 320. The upper end of the limiting rod 320 extends into the second notch 310 and is fixedly connected to a second sealing plug 340. A second pull ring 350 is fixedly connected to the upper side wall of the second sealing plug 340. When the limiting hole 151 on the positioning block 150 is aligned with the circular groove 300, under the action of the second spring 330, the limiting rod 320 moves downward and is inserted into the limiting hole 151 to fix the positioning block 150, preventing the positioning block 150 from being pushed back by the first spring 190 after the first pull ring 180 is released.

[0025] Specifically, asFigure 5 As shown in the figure, a bucket of an excavator that is convenient for replacing the cutting teeth. A plug block 210 is fixedly connected to the rear side wall of the cutting tooth 200. A connecting block 220 is fixedly connected to the rear side wall of the plug block 210. Connecting grooves 221 adapted to the positioning blocks 150 are formed on both side walls of the connecting block 220.

[0026] Specifically, as Figure 3 shown in the figure, a bucket of an excavator that is convenient for replacing the cutting teeth. A limiting hole 151 adapted to the limiting rod 320 is formed on the upper side wall of the positioning block 150.

[0027] Specifically, as Figure 3 shown in the figure, a bucket of an excavator that is convenient for replacing the cutting teeth. A ball 321 is provided at the bottom of the limiting rod 320 to prevent the limiting rod 320 from causing an obstruction during the movement of the positioning block 150.

[0028] Specifically, as Figure 2 and Figure 5 shown in the figure, a bucket of an excavator that is convenient for replacing the cutting teeth. Dovetail grooves 121 are formed on both side walls of the slot 120. Sliders 211 adapted to the dovetail grooves 121 are fixedly connected to both side walls of the plug block 210. When the plug block 210 is inserted into the slot 120, the sliders 211 will also be inserted into the dovetail grooves 121, improving the connection effect between the cutting tooth 200 and the mounting seat 110.

[0029] When the present utility model is specifically implemented, when it is necessary to replace the cutting tooth 200, pull the first pull ring 180 to drive the first sealing plug 170 to drive the connecting rod 160 and the positioning block 150 to move, so that the positioning block 150 disengages from the connecting groove 221 and retracts into the receiving groove 140. When the limiting hole 151 on the positioning block 150 is aligned with the circular groove 300, under the action of the second spring 330, the limiting rod 320 moves downward and is inserted into the limiting hole 151 to fix the positioning block 150, preventing the positioning block 150 from being pushed back to its original position by the first spring 190 after releasing the first pull ring 180. Then pull the other first pull ring 180 to make the other positioning block 150 disengage from the other connecting groove 220 and retract into the receiving groove 140. After losing the positioning of the positioning block 150, pull the cutting tooth 200 to disengage it from the mounting seat 110, and then the disassembly can be completed. When installing a new cutting tooth 200, insert the plug block 210 on the cutting tooth 200 into the slot 120 on the mounting seat 110, and the connecting block 220 will enter the positioning groove 130. Then pull the second pull ring 350 to drive the second sealing plug 340 to drive the limiting rod 320 to move upward. After the limiting rod 320 disengages from the limiting hole 151, the positioning block 150 will be inserted into the connecting groove 221 on the connecting block 220 under the push of the first spring 190 to fix the connecting block 220 in the positioning groove 130, and the installation of the new cutting tooth 200 can be completed. The disassembly and assembly process is convenient and fast, and more practical.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An excavator bucket for facilitating replacement of shovel teeth, comprising a bucket (100), characterized in that: A plurality of mounting seats (110) are fixedly connected to the front side wall of the bucket (100), and shovel teeth (200) are detachably connected to the mounting seats (110). First notches (111) are provided on both side walls of the mounting seats (110), a slot (120) is provided on the front side wall of the mounting seats (110), a positioning slot (130) is provided on the rear side wall of the slot (120), and a receiving slot (140) is provided on both side walls of the positioning slot (130), and a positioning block is slidably provided inside the receiving slot (140). (150), a connecting rod (160) is fixedly connected to a side wall of the positioning block (150) away from the positioning groove (130), the other end of the connecting rod (160) extends into the first slot (111) and is fixedly connected to a first sealing plug (170), a first pull ring (180) is fixedly connected to a side wall of the first sealing plug (170) away from the connecting rod (160), a first spring (190) is provided between the positioning block (150) and the accommodating groove (140), and the first spring (190) is sleeved on the connecting rod (160).

2. The excavator bucket with easy replacement of shovel teeth according to claim 1, characterized in that: A circular groove (300) is provided on the upper side wall of the accommodating groove (140), and second notches (310) are respectively provided on both sides of the upper side wall of the mounting seat (110). A limiting rod (320) is provided in the circular groove (300), and a second spring (330) is sleeved on the limiting rod (320). One end of the second spring (330) is fixedly connected to the upper side wall of the circular groove (300) and the other end is fixedly connected to the lower side wall of the limiting rod (320). The upper end of the limiting rod (320) extends into the second notch (310) and is fixedly connected to a second sealing plug (340), and a second pull ring (350) is fixedly connected to the upper side wall of the second sealing plug (340).

3. The excavator bucket with easy replacement of shovel teeth according to claim 1, characterized in that: An insert block (210) is fixedly connected to the rear side wall of the shovel tooth (200), a connecting block (220) is fixedly connected to the rear side wall of the insert block (210), and connecting grooves (221) adapted to the positioning block (150) are provided on both side walls of the connecting block (220).

4. The excavator bucket for easy replacement of shovel teeth according to claim 2, characterized in that: A limiting hole (151) adapted to the limiting rod (320) is provided on the upper side wall of the positioning block (150).

5. The excavator bucket with easy replacement of shovel teeth according to claim 2, characterized in that: A ball (321) is provided at the bottom of the limiting rod (320).

6. The excavator bucket with easy replacement of shovel teeth according to claim 3, characterized in that: Both side walls of the slot (120) are provided with dovetail grooves (121), and both side walls of the insert block (210) are fixedly connected with sliders (211) adapted to the dovetail grooves (121).

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