Tooth holder for side clamping bucket of excavator

The design of the fixed components enables quick assembly and disassembly of the excavator side bucket tooth holder, solving the problems of low assembly and disassembly efficiency and damage, and extending its service life.

CN224048267UActive Publication Date: 2026-03-27YANCHENG BOYANG MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing excavator side clamp bucket tooth holders are inefficient to disassemble and assemble, and are easily damaged by impacts, reducing their service life.

Method used

It adopts fixed components, including insert rods, baffles, locking rods, springs, pull rods, internal threaded rings and toothed plates, etc., and realizes the quick locking and removal of bucket tooth seats and digging teeth through elastic potential energy and threaded engagement, avoiding hammering operations.

Benefits of technology

It improves disassembly and assembly efficiency, avoids damage caused by knocking, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of excavators, and discloses an excavator edge clamping bucket tooth holder which comprises a bucket tooth holder body, digging teeth are inserted into the bucket tooth holder body, fixing assemblies are inserted into the inner sides of one ends of the bucket tooth holder body and the digging teeth, each fixing assembly comprises an insertion rod inserted into the inner side of one end of the bucket tooth holder body and one end of the digging teeth, and one end of each insertion rod is fixedly connected with a baffle. A fixing rod is fixedly connected to the inner side of the end, away from the baffle, of the inserting rod, a clamping rod is rotationally connected to one end of the fixing rod, a spring is rotationally connected to one end of the clamping rod, a sliding block is inserted into the end, away from the spring, of the clamping rod, and a pull rod is rotationally connected to the middle end of the sliding block; the bucket tooth base and the digging tooth can be rapidly assembled and disassembled through the fixing assembly, the bucket tooth base and the digging tooth can be disassembled and assembled without adopting a knocking mode, then the disassembling and assembling efficiency is effectively improved, meanwhile, damage caused by knocking can be avoided, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field, specifically, relate to a kind of for excavator side card bucket tooth seat. BACKGROUND

[0002] Excavator is one of the main types of construction machinery, generally divided into single-bucket excavator and multifunctional excavator, and the excavator side card bucket tooth seat is a protective component that is sleeved on the outer side of the excavator bucket tooth, which mainly protects the bucket tooth. During installation, the bucket tooth seat is first sleeved on the outer side of the bucket tooth, then the spring member is inserted into the bucket tooth seat and the bucket tooth, and then the latch is inserted to fix the bucket tooth seat and the bucket tooth by cooperating with the spring member.

[0003] During the installation process of the excavator side card bucket tooth seat, the spring member is needed to fix the latch, so that the latch is used to fix the bucket tooth seat and the bucket tooth. When the latch is inserted, due to the fixation of the spring member, the end of the auxiliary rod needs to be attached to the latch, and then the other end of the auxiliary rod is struck with a hammer to install the latch. When disassembling, the other end of the latch is struck with a hammer using the auxiliary rod to knock out the latch, and then the spring member is removed to disassemble the bucket tooth seat.

[0004] During the installation and disassembly process of the traditional excavator side card bucket tooth seat, tools are needed to assist in installing and disassembling the bucket tooth seat by striking. Since the distance between the two groups of bucket teeth is relatively small, the bucket tooth seat at the center end is easily blocked by the adjacent bucket teeth during striking installation, which is not conducive to the workers to strike, resulting in low disassembly efficiency. In addition, the disassembly by striking easily causes damage to the bucket tooth and the bucket tooth seat due to vibration, thereby reducing the service life. INVENTION CONTENTS

[0005] The utility model aims to provide a kind of for excavator side card bucket tooth seat, solve the problem that excavator side card bucket tooth seat in prior art is disassembled, adopts the way of striking latch to disassemble, and disassembly efficiency is relatively low, and bucket tooth and bucket tooth seat are easily damaged due to frequent vibration, thereby reducing its service life.

[0006] The utility model provides the following technical scheme: a kind of for excavator side card bucket tooth seat, including bucket tooth seat, the bucket tooth is inserted in the inside of bucket tooth seat, and fixed component is inserted in the inside of bucket tooth seat and bucket tooth one end, the fixed component includes the insertion rod inserted in the inside of bucket tooth seat and bucket tooth one end, and the insertion rod one end is fixedly connected with baffle, and the insertion rod end away from baffle is fixedly connected with fixed rod.

[0007] Through the above technical scheme; bucket tooth seat and bucket tooth are preliminarily fixed by insertion rod and baffle.

[0008] As the preferred technical scheme of the above, the fixed rod is rotatably connected with a clamping rod at one end, and a spring is rotatably connected with the clamping rod at one end, and the end of the spring away from the clamping rod is rotatably connected with the fixed rod.

[0009] Through the above technical scheme, the elastic potential energy of the spring drives the clamping rod to clamp the insertion rod.

[0010] As the preferred technical scheme of the above, the end of the clamping rod away from the spring is internally inserted with a sliding block, and the middle end of the sliding block is rotatably connected with a pull rod.

[0011] Through the above technical scheme, the pull rod can drive the sliding block to move, and then the sliding block pulls the clamping rod to rotate back to the original position.

[0012] As the preferred technical scheme of the above, the opposite ends of the two groups of pull rods are fixedly connected with internal thread rings, the internal thread rings are engaged with first external thread rods, the two ends of the first external thread rods are rotatably connected with the fixed rods, and the middle end of the side of the first external thread rod away from the spring is fixedly connected with an internal thread rod.

[0013] Through the above technical scheme, the internal thread ring can be moved through the thread engagement of the internal thread ring and the first external thread rod.

[0014] As the preferred technical scheme of the above, the two ends of the internal thread ring are fixedly connected with sliding rods, and the end of the sliding rod away from the internal thread ring is inserted into the fixed rod, the inside of the end of the sliding rod away from the internal thread ring is inserted with a limiting rod, and the two ends of the limiting rod are fixedly connected with the fixed rod.

[0015] Through the above technical scheme, the internal thread rod is sleeved outside the sliding rod, so as to limit the movement of the internal thread ring.

[0016] As the preferred technical scheme of the above, the inside of the end of the internal thread rod away from the first external thread rod is engaged with a second external thread rod, and the end of the second external thread rod away from the internal thread rod is fixedly connected with a toothed plate.

[0017] Through the above technical scheme, the toothed plate is used to screw the second external thread rod into the internal thread rod to clamp the other end of the insertion rod.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The side clamping bucket tooth seat for the excavator can quickly assemble and disassemble the bucket tooth seat and the digging tooth through the fixing assembly, without knocking for disassembly, thereby effectively improving the disassembly efficiency, avoiding damage caused by knocking, and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1It is a kind of for excavator side card bucket tooth seat three-dimensional structure schematic diagram;

[0021] Figure 2 It is a kind of for excavator side card bucket tooth seat first view section structure schematic diagram;

[0022] Figure 3 It is a kind of for excavator side card bucket tooth seat second view section structure schematic diagram;

[0023] Figure 4 It is a kind of for excavator side card bucket tooth seat fixed assembly structure enlarged schematic diagram;

[0024] Figure 5 It is a kind of for excavator side card bucket tooth seat fixed rod inner side structure enlarged schematic diagram.

[0025] In the figure: 1, bucket tooth seat;11, digging tooth;2, fixed assembly;21, plug rod;22, baffle;23, fixed rod;24, clamping rod;25, spring;26, sliding block;27, pull rod;28, internal thread ring;29, first external thread rod;210, internal thread rod;211, sliding rod;212, limiting rod;213, second external thread rod;214, tooth plate. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0027] As Figure 1 - Figure 5 The utility model provides a technical scheme: a kind of for excavator side card bucket tooth seat, including bucket tooth seat 1, digging tooth 11 is inserted in the inside of bucket tooth seat 1, and fixed assembly 2 is inserted in the inside of one end of bucket tooth seat 1 and digging tooth 11, fixed assembly 2 includes the plug rod 21 inserted in the inside of one end of bucket tooth seat 1 and digging tooth 11, and the baffle 22 is fixedly connected in the one end of plug rod 21, the fixed rod 23 is fixedly connected in the inside of the one end of plug rod 21 away from baffle 22, through fixed assembly 2, bucket tooth seat 1 and digging tooth 11 can be quickly assembled and removed, without using the mode of knock disassembly, to effectively improve disassembly efficiency, it can also avoid damage caused by knocking, to improve service life.

[0028] As Figure 2 Indicated, the one end of fixed rod 23 is rotatably connected with clamping rod 24, and the one end of clamping rod 24 is rotatably connected with spring 25, the one end of spring 25 away from clamping rod 24 is rotatably connected on fixed rod 23, the elastic potential energy of spring 25 is used to promote clamping rod 24 to unfold, so that clamping rod 24 is positioned to plug rod 21.

[0029] As Figure 2 And Figure 5As shown, the card rod 24 is internally inserted with a slider 26 away from one end of the spring 25, and the slider 26 is rotatably connected with a pull rod 27 at the middle end, and the pull rod 27 drives the slider 26 to move, so that the slider 26 pulls the card rod 24.

[0030] As shown in Figure 2 , the opposite end of the two groups of pull rods 27 is fixedly connected with an internal thread ring 28, and the internal thread ring 28 is engaged with a first external thread rod 29 inside, and the first external thread rod 29 is rotatably connected at both ends of the fixed rod 23, and the first external thread rod 29 is fixedly connected with an internal thread rod 210 at the middle end away from the spring 25, and the subsequent toothed plate 214 drives the second external thread rod 213 and the internal thread rod 210 to rotate, and then the internal thread rod 210 drives the first external thread rod 29 to rotate, so as to utilize the thread engagement of the first external thread rod 29 and the internal thread ring 28 to drive the internal thread ring 28 to move the pull rod 27.

[0031] As shown in Figure 3 , the two ends of the internal thread ring 28 are fixedly connected with a sliding rod 211, and the sliding rod 211 is inserted into the fixed rod 23 away from one end of the internal thread ring 28, and the sliding rod 211 is inserted into the fixed rod 23 away from one end of the internal thread ring 28. The inside of the limiting rod 212 is inserted, and the limiting rod 212 is fixedly connected at both ends of the fixed rod 23, and the sliding rod 211 is sleeved outside the limiting rod 212 to move, so as to limit the movement of the internal thread ring 28 through the sliding rod 211.

[0032] As shown in Figure 2 and Figure 3 , the internal thread rod 210 is engaged with a second external thread rod 213 inside away from one end of the first external thread rod 29, and the second external thread rod 213 is fixedly connected with a toothed plate 214 away from one end of the internal thread rod 210. The second external thread rod 213 is screwed into the internal thread rod 210 through the toothed plate 214, and the toothed plate 214 is used to limit the clamping of the other end of the plug rod 21.

[0033] The working principle is that when the bucket tooth seat 1 and the digging tooth 11 are installed, the bucket tooth seat 1 is sleeved outside the digging tooth 11, then the insertion rod 21 is inserted into the bucket tooth seat 1 and the digging tooth 11 through the baffle 22, in the process of insertion, the bucket tooth seat 1 extrudes the clamping rod 24 at both ends of the insertion rod 21, the clamping rod 24 is rotated and inserted into the insertion rod 21 and the fixed rod 23 after being extruded to compress the spring 25, when the insertion of the insertion rod 21 is completed, the elastic potential energy of the spring 25 is used to push the clamping rod 24 to expand and reset, so that the insertion rod 21 is clamped by the baffle 22 and the clamping rod 24, the bucket tooth seat 1 and the digging tooth 11 are clamped and fixed by the insertion rod 21 and the baffle 22, then the tooth plate 214 is driven to screw into the inner threaded rod 210 through the second external threaded rod 213, the other end of the bucket tooth seat 1 is clamped and fixed by the tooth plate 214, and the installation is realized, in the later period of disassembly, the tooth plate 214 is screwed in the reverse direction, so that the inner threaded rod 210 and the first external threaded rod 29 are rotated through the second external threaded rod 213, the first external threaded rod 29 is rotated, the inner threaded ring 28 is moved through the threaded engagement with the inner threaded ring 28, the slide rod 211 and the pull rod 27 are moved when the inner threaded ring 28 is moved, the inner threaded rod 210 is moved and is sleeved outside the slide rod 211 to move and limit the inner threaded ring 28, and the slide block 26 is moved in the clamping rod 24 when the pull rod 27 is moved, so that the slide block 26 pulls the clamping rod 24 and inserts it into the insertion rod 21 and the fixed rod 23 to compress the spring 25, when the clamping rod 24 is inserted into the fixed rod 23, the tooth plate 214 is continuously screwed to rotate the second external threaded rod 213, the second external threaded rod 213 is screwed out of the inner threaded rod 210, then the insertion rod 21 is pulled out of the bucket tooth seat 1 and the digging tooth 11 by pulling the baffle 22.

[0034] The above examples are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A side stick tooth holder for excavator buckets, comprising a tooth holder (1), characterized in that: The bucket tooth seat (1) is equipped with a digging tooth (11), and a fixing component (2) is inserted into the inner side of one end of the bucket tooth seat (1) and the digging tooth (11). The fixing component (2) includes a rod (21) inserted into the inner side of one end of the bucket tooth seat (1) and the digging tooth (11), and a baffle (22) is fixedly connected to one end of the rod (21). A fixing rod (23) is fixedly connected to the inner side of the end of the rod (21) away from the baffle (22).

2. A side clamp tooth holder for a backhoe, according to claim 1, wherein: One end of the fixed rod (23) is rotatably connected to a locking rod (24), and one end of the locking rod (24) is rotatably connected to a spring (25). The end of the spring (25) away from the locking rod (24) is rotatably connected to the fixed rod (23).

3. A side clamp tooth holder for a backhoe, according to claim 2, wherein: The end of the lever (24) away from the spring (25) is fitted with a slider (26), and the middle end of the slider (26) is rotatably connected to a pull rod (27).

4. A side clamp tooth holder for a backhoe, according to claim 3, wherein: The two sets of pull rods (27) are fixedly connected to an internal threaded ring (28) at one end, and the internal threaded ring (28) is engaged with a first external threaded rod (29) on the inner side. The two ends of the first external threaded rod (29) are rotatably connected to the fixed rod (23), and the middle end of the side of the first external threaded rod (29) away from the spring (25) is fixedly connected to an internal threaded rod (210).

5. A side clamp tooth holder for a backhoe, according to claim 4, wherein: The two ends of the internal threaded ring (28) are fixedly connected to slide rods (211), and the end of the slide rod (211) away from the internal threaded ring (28) is inserted into the fixed rod (23). The inner side of the end of the slide rod (211) away from the internal threaded ring (28) is provided with a limiting rod (212), and the two ends of the limiting rod (212) are fixedly connected to the fixed rod (23).

6. A side clamp tooth holder for a backhoe, according to claim 4, wherein: The inner thread rod (210) is engaged with a second external thread rod (213) on the inner side of the end away from the first external thread rod (29), and a toothed plate (214) is fixedly connected to the end of the second external thread rod (213) away from the inner thread rod (210).