Excavator bucket connecting piece for excavator

By designing bucket connectors with components such as return springs and limit blocks, the problems of inconvenient excavator bucket installation and difficult quick replacement were solved, enabling rapid installation and convenient switching, thus improving efficiency.

CN223688984UActive Publication Date: 2025-12-19山东和信工程机械有限公司
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Patent Information

Application Number
CN202422689682.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-19
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The fixed width of existing excavator buckets or other working attachments makes installation inconvenient or impossible, and quick-change devices cannot achieve rapid switching, wasting manpower and resources.

Method used

A bucket connector is designed, comprising a return spring, a limiting block, a first support shaft, and a second fixing ring. The return assembly enables slight deformation, allowing the second fixing ring to quickly engage with the limiting shaft, achieving a quick-installation effect.

Benefits of technology

It enables rapid installation and convenient switching of excavator buckets, reducing the waste of manpower and resources during the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of excavators, in particular to an excavator bucket connecting piece for an excavator, which comprises an excavator bucket, the upper side and the lower side of the front end of the excavator bucket are respectively and fixedly connected with a fixed shaft and a connecting shaft, the upper side of the front end of the connecting shaft is provided with a mounting shaft, and the lower side of the front end of the connecting shaft is provided with a limiting shaft. Vertical plates are arranged at the left end and the right end of the limiting shaft, a first supporting shaft is embedded into the upper ends of the adjacent ends of the two vertical plates, a second supporting shaft is arranged at the lower end of the first supporting shaft, and a reset spring, a limiting block, the first supporting shaft and a second fixing ring are arranged, so that the limiting block at the lower end of the reset spring drives the fixing plate to push upwards; the position is tensioned so that the second fixing ring can be clamped in the limiting shaft in the excavator bucket, the position of the second fixing ring can be slightly deformed as a whole through the reset assembly, the second fixing ring can be clamped in the limiting shaft, and therefore the rapid clamping state is achieved, and the rapid assembly effect is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field especially relates to a bucket connecting piece for excavator. BACKGROUND

[0002] The shaft of the excavator bucket or other working tool manufactured in the current industry is fixed distance, and the width is fixed. If the newly purchased bucket or other working device of the user is inconsistent with the original data of the original excavator, it will cause the phenomenon of inconvenient installation or unable to install and use. In the case of quick change device of excavator assembly and use, the excavator cannot realize quick switching between various working tools, and waste additional manpower and material resources in the installation process. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in the prior art and provides a bucket connecting piece for excavator.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: including bucket, the upper and lower sides of the front end of bucket are fixedly connected with fixed shaft and connecting shaft respectively, the upper side of the front end of connecting shaft is equipped with mounting shaft, the lower side of the front end of connecting shaft is equipped with limiting shaft, the left and right ends of limiting shaft are equipped with vertical plate, the upper end of one end of two vertical plates is embedded with first support shaft, the lower end of first support shaft is equipped with second support shaft, the upper end of first support shaft is fixedly connected with connecting plate, the left and right sides of the front end of connecting plate are fixedly connected with fixed rod, the front side of the upper end of fixed rod is embedded with first fixed ring, the lower end of second support shaft is fixedly connected with fixed plate, the left and right sides of the upper end of fixed plate are fixedly connected with limiting rod, the lower end of limiting rod is fixedly connected with second fixed ring, the upper end of limiting rod is equipped with reset assembly.

[0005] Preferably, the reset assembly contains a support rod, the inner side of the support rod is embedded with a reset shaft, the outer side of the reset shaft is slidingly connected with a limiting block, and the outer side of the reset shaft is covered with a reset spring.

[0006] As the above technical scheme further: through the reset assembly, the second fixed ring can realize slight position change as a whole, so as to be clamped in the limiting shaft, and the quick installation effect is realized.

[0007] Preferably, the middle part of one end of two limiting rods is embedded with a connecting rod, and the reset shaft penetrates the connecting rod and the fixed plate, and the reset shaft is slidingly connected with the connecting rod and the fixed plate.

[0008] As the above technical scheme further: through the connecting rod, the position of the reset shaft is limited.

[0009] Preferably, the limiting block is fixedly connected with the lower end of the fixed plate, and the limiting block is in the form of a cylinder.

[0010] As the above technical scheme further: through the limiting block, the movement track of the reset shaft is limited.

[0011] Preferably, the upper end of the reset spring is fixedly connected with the lower end of the supporting rod, and the lower end of the reset spring is fixedly connected with the connecting rod.

[0012] As the above technical scheme further: through the reset spring, the reset is carried out.

[0013] Preferably, the mounting shaft and the limiting shaft are respectively located on the inner side of the first fixed ring and the second fixed ring, and the mounting shaft and the limiting shaft are respectively in close contact with the first fixed ring and the second fixed ring.

[0014] As the above technical scheme further: through the first fixed ring and the second fixed ring, the mounting shaft and the limiting shaft are clamped.

[0015] The utility model has the following beneficial effects:

[0016] Compared with the prior art, the excavator bucket connecting piece has the following advantages: the reset spring drives the limiting block at the lower end to push the fixed plate upward, the position is tightened, the second fixed ring is clamped in the limiting shaft in the bucket, the reset assembly can slightly deform the position of the second fixed ring as a whole, the second fixed ring is clamped in the limiting shaft, and the fast clamping state is achieved, and the fast mounting effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a whole structure schematic view of the utility model;

[0018] Fig. 2 It is a mounting structure schematic view of the first fixed ring of the utility model;

[0019] Fig. 3 It is a mounting explosion place structure schematic view of the reset assembly of the utility model.

[0020] LEGEND:

[0021] 1, bucket; 2, fixed shaft; 3, connecting shaft; 4, mounting shaft; 5, limiting shaft; 6, vertical plate; 7, first supporting shaft; 8, second supporting shaft; 9, connecting plate; 10, fixed rod; 11, first fixed ring; 12, fixed plate; 13, limiting rod; 14, second fixed ring; 15, reset assembly; 1501, supporting rod; 1502, reset shaft; 1503, connecting rod; 1504, limiting block; 1505, reset spring. DETAILED DESCRIPTION

[0022] Referring to Figs. 1-3 The utility model provides a kind of bucket connecting piece for excavator: including bucket 1, the upper and lower sides of the front end of bucket 1 are fixedly connected with fixed shaft 2 and connecting shaft 3, the upper side of the front end of connecting shaft 3 is equipped with mounting shaft 4, the lower side of the front end of connecting shaft 3 is equipped with limit shaft 5, the left and right ends of limit shaft 5 are equipped with vertical plate 6, the upper end of the adjacent end of two vertical plate 6 is embedded with first support shaft 7, the lower end of first support shaft 7 is equipped with second support shaft 8, the upper end of first support shaft 7 is fixedly connected with connecting plate 9, the left and right sides of the front end of connecting plate 9 are fixedly connected with fixed rod 10, the upper end of the front side of fixed rod 10 is embedded with first fixed ring 11, the lower end of second support shaft 8 is fixedly connected with fixed plate 12, the left and right sides of the upper end of fixed plate 12 are fixedly connected with limit rod 13, the lower end of limit rod 13 is fixedly connected with second fixed ring 14, the upper end of limit rod 13 is equipped with reset component 15.

[0023] As further implementation of the above technical solution: the reset component 15 includes support rod 1501, the inner side of support rod 1501 is embedded with reset shaft 1502, the outer side lower end of reset shaft 1502 is slidably connected with limit block 1504, the outer side of reset shaft 1502 is covered with reset spring 1505, through reset component 15, the position of second fixed ring 14 can be slightly deformed as a whole, so that second fixed ring 14 is clamped in limit shaft 5, and the effect of quick installation is realized.

[0024] As further implementation of the above technical solution: the middle part of the adjacent end of two limit rods 13 is embedded with connecting rod 1503, and reset shaft 1502 penetrates connecting rod 1503 and fixed plate 12, reset shaft 1502 is slidably connected with connecting rod 1503 and fixed plate 12, and the position of reset shaft 1502 is limited by connecting rod 1503.

[0025] As further implementation of the above technical solution: the lower end of limit block 1504 is fixedly connected with fixed plate 12, and limit block 1504 is in the form of a cylinder, and the movement track of reset shaft 1502 is limited by limit block 1504.

[0026] As further implementation of the above technical solution: the upper end of reset spring 1505 is fixedly connected with the lower end of support rod 1501, and the lower end of reset spring 1505 is fixedly connected with connecting rod 1503, and reset spring 1505 is reset.

[0027] As a further embodiment of the above technical solution: the mounting shaft 4 and the limiting shaft 5 are respectively located at the inner side of the first fixed ring 11 and the second fixed ring 14, and the mounting shaft 4 and the limiting shaft 5 are respectively closely fitted with the first fixed ring 11 and the second fixed ring 14, and are clamped in the mounting shaft 4 and the limiting shaft 5 through the first fixed ring 11 and the second fixed ring 14.

[0028] Working principle:

[0029] When using the utility model, the opening position of the first fixed ring 11 and the second fixed ring 14 of the equipment is aligned with the mounting shaft 4 and the limiting shaft 5 of the excavator 1, then the equipment is lifted by hoisting equipment, and is manually pushed until the first fixed ring 11 at the upper end is inclined and aligned with the mounting shaft 4, then is lowered and is pushed again, until the first fixed ring 11 is located at the lower end of the mounting shaft 4, under the action of the limiting shaft 5, the second fixed ring 14 rotates around the second supporting shaft 8, then the fixed plate 12 at the rear end of the second supporting shaft 8 is simultaneously downward, so that the lower end of the limiting block 1504 is simultaneously downward, the spacing between the supporting rod 1501 and the lower end of the limiting block 1504 is increased, the reset spring 1505 is stretched, until the second fixed ring 14 is clamped in the limiting shaft 5, the reset spring 1505 drives the lower end of the limiting block 1504 and the fixed plate 12 to be pushed upward, and the position is tensioned, so that the second fixed ring 14 is clamped in the limiting shaft 5 of the excavator 1, so that the state of quick clamping is achieved.

[0030] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A bucket attachment for an excavator comprising a bucket (1) characterised in that: The front end of the excavator bucket (1) is fixedly connected with a fixed shaft (2) and a connecting shaft (3) on the upper and lower sides respectively, the upper side of the front end of the connecting shaft (3) is provided with a mounting shaft (4), the lower side of the front end of the connecting shaft (3) is provided with a limiting shaft (5), the left and right ends of the limiting shaft (5) are provided with vertical plates (6), the upper end of one end adjacent to the two vertical plates (6) is embedded with a first supporting shaft (7), the lower end of the first supporting shaft (7) is provided with a second supporting shaft (8), the upper end of the first supporting shaft (7) is fixedly connected with a connecting plate (9), the left and right sides of the front end of the connecting plate (9) are fixedly connected with fixed rods (10), the upper end of the front side of the fixed rod (10) is embedded with a first fixed ring (11), the lower end of the second supporting shaft (8) is fixedly connected with a fixed plate (12), the left and right sides of the upper end of the fixed plate (12) are fixedly connected with limiting rods (13), the lower end of the limiting rod (13) is fixedly connected with a second fixed ring (14), the upper end of the limiting rod (13) is provided with a reset assembly (15).

2. A bucket link for a backhoe loader as defined in claim 1, characterized in that: The reset assembly (15) comprises a supporting rod (1501), the inner side of the supporting rod (1501) is embedded with a reset shaft (1502), the outer side of the lower end of the reset shaft (1502) is slidingly connected with a limiting block (1504), the outer side of the reset shaft (1502) is covered with a reset spring (1505).

3. A coupler for an excavating bucket for an excavator according to claim 2, characterized in that: The middle part of one end adjacent to the two limiting rods (13) is embedded with a connecting rod (1503), and the reset shaft (1502) penetrates the connecting rod (1503) and the fixed plate (12), and the reset shaft (1502) is in sliding connection with the connecting rod (1503) and the fixed plate (12).

4. A coupler for an excavating bucket for an excavator according to claim 2, characterized in that: The lower end of the limiting block (1504) is fixedly connected with the fixed plate (12), and the limiting block (1504) is in the form of a cylinder.

5. A coupler for an excavating bucket for an excavator according to claim 2, characterized in that: The upper end of the reset spring (1505) is fixedly connected with the lower end of the supporting rod (1501), and the lower end of the reset spring (1505) is fixedly connected with the connecting rod (1503).

6. A coupler for an excavating bucket for an excavator according to claim 1, characterized in that: The mounting shaft (4) and the limiting shaft (5) are located on the inner side of the first fixed ring (11) and the second fixed ring (14) respectively, and the mounting shaft (4) and the limiting shaft (5) are in close contact with the first fixed ring (11) and the second fixed ring (14) respectively.