CN219508685U

CN219508685U - Quick connector

Info

Publication number: CN219508685U
Application number: CN202320440522.8U
Authority: CN
Inventors: 龙庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-11
Anticipated expiration: 2033-03-09

Abstract

The utility model provides a quick connector, relates to coupling equipment technical field, includes the connector body, and the bottom both sides of connector body are equipped with fixed tiger's mouth and activity tiger's mouth respectively, and the activity tiger's mouth is located the hook-shaped briquetting, is connected and the hook-shaped briquetting can rotate around its installation axle through supporting the connecting rod between the pneumatic cylinder of connector body internally mounted under the effect of supporting the connecting rod, and activity tiger's mouth and first bucket axle looks adaptation, fixed tiger's mouth and second bucket axle looks adaptation, fixed tiger's mouth outside mouth position department is installed the anticreep mechanism that can prevent second bucket axle break away from fixed tiger's mouth. According to the utility model, the anti-falling mechanism is arranged at the opening of the fixed tiger mouth, so that the second bucket shaft cannot be separated from the fixed tiger mouth in a use state, the falling of the configuration accessory when the hydraulic cylinder or the supporting connecting rod fails and cannot prop the hook-shaped pressing block to clamp the movable tiger mouth on the first bucket shaft is avoided, and the safety accidents and hidden dangers possibly caused by the falling of the configuration accessory are avoided.

Description

Quick connector

Technical Field

The utility model relates to the technical field of connecting equipment, in particular to a quick connector.

Background

The quick-change connector of the excavator can quickly install various configuration accessories such as a bucket, a scarifier, a breaking hammer, a hydraulic shear, a wood grabbing device, a stone grabbing device and the like on the excavator, can expand the application range of the excavator, can save time and improves work efficiency.

As shown in fig. 1, the existing connector body 1 is installed on an operating arm of an excavator through an installation fixing hole 8 at the upper part of the connector body, a hydraulic cylinder 2 is installed at the inner center position of the connector body 1, the hydraulic cylinder 2 is connected with a hook-shaped pressing block through a supporting connecting rod 3 at the output end of the hydraulic cylinder 2, the hook-shaped pressing block can rotate around an installation shaft at the upper part of the hydraulic cylinder 2, so that a movable tiger mouth 5 on the hook-shaped pressing block can be clamped on a first bucket shaft 4, a fixed tiger mouth 6 is arranged at the other side, opposite to the movable tiger mouth 5, of the lower part of the connector body 1, and the fixed tiger mouth 6 can be clamped on a second bucket shaft 7. The movable tiger mouth 5 and the fixed tiger mouth 6 are respectively matched with the first bucket shaft 4 and the second bucket shaft 7, so that various configuration accessories on the excavator can be installed.

Because of the diversity of configuration accessories, the distances between the first bucket shaft and the second bucket shaft are different, so that the clamping firmness between the first bucket shaft 4 and the movable tiger mouth 5 is required to ensure that the support connecting rod 3 pushes the movable tiger mouth 5 to be always abutted against the first bucket shaft 4 through the output pressure of the hydraulic cylinder 2, and the movable tiger mouth 5 is abutted against the first bucket shaft 4 to ensure that the second bucket shaft 7 can be always kept in the fixed tiger mouth 6; therefore, in the whole connector body 1, the firmness and reliability of the hydraulic cylinder 2, the connection support rod 3, the connection position and the installation position thereof become particularly important, once any link is in question, the falling of the configuration accessories is caused, and as the configuration accessories of the excavator are heavy devices, if a single central position hydraulic device, namely the hydraulic cylinder 2, breaks, the movable hook-shaped pressing block will rebound, the devices linked below are caused to fall, and serious safety accidents can occur.

Disclosure of Invention

The present utility model is directed to a quick connector, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a quick connector, includes the connector body, and the bottom both sides of connector body are equipped with fixed tiger's mouth and activity tiger's mouth respectively, and the activity tiger's mouth is located the hook-shaped briquetting, is connected and the hook-shaped briquetting can rotate around its installation axle under the effect of support connecting rod through supporting the connecting rod between hook-shaped briquetting and the pneumatic cylinder of connector body internally mounted, and activity tiger's mouth and first bucket axle looks adaptation, fixed tiger's mouth and second bucket axle looks adaptation, fixed tiger's mouth outer mouth position department installs the anticreep mechanism that can prevent that second bucket axle breaks away from in the fixed tiger's mouth.

As a further scheme of the utility model: the anti-disengaging mechanism comprises a mounting hole formed in the position of the opening of the fixed tiger mouth on the connector body and an anti-disengaging shaft which can be matched with the mounting hole.

As still further aspects of the utility model: the anti-drop shaft can be detachably arranged in the mounting hole.

As still further aspects of the utility model: the inside of mounting hole is equipped with the internal thread, is equipped with the external screw thread with internal thread matched with at the one end surface of anticreep axle.

As still further aspects of the utility model: the outer surface of the end of the anti-drop shaft, which is not provided with the external thread, is of a regular hexagon structure.

As still further aspects of the utility model: the anti-disengaging mechanism comprises a hydraulic lock arranged at the opening of the fixed tiger mouth.

As still further aspects of the utility model: the hydraulic lock comprises a hydraulic oil cylinder and a safety pin which can stretch out and draw back under the push-pull action of the hydraulic oil cylinder.

As still further aspects of the utility model: the hydraulic oil cylinder also comprises an external oil circuit connected with the hydraulic oil cylinder and a control device for controlling the external oil circuit.

As still further aspects of the utility model: the anti-disengaging mechanism comprises an electric telescopic device arranged at the opening of the fixed tiger mouth.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the anti-falling mechanism is arranged at the opening of the fixed tiger mouth, so that the second bucket shaft cannot be separated from the fixed tiger mouth in a use state, and the situation that the movable tiger mouth is blocked on the first bucket shaft due to the fact that the hook-shaped pressing block cannot be propped by a hydraulic cylinder or a supporting connecting rod to cause the movable tiger mouth to fall off is avoided, and the safety accidents and hidden dangers possibly caused by the falling off of the configured accessories are effectively avoided.

Drawings

Fig. 1 is a schematic structural diagram of a connector body in the prior art.

Fig. 2 is a schematic structural view of the embodiment 1 in a state where the drop-off prevention shaft is mounted.

Fig. 3 is a schematic structural view of the installation direction of the drop shaft in embodiment 1.

Fig. 4 is a schematic structural view showing the use state of the hydraulic lock in embodiment 2.

Fig. 5 is a schematic view showing the structure of the hydraulic lock in the closed state in embodiment 2.

In the figure: 1-connector body, 2-pneumatic cylinder, 3-support connecting rod, 4-first bucket axle, 5-movable tiger mouth, 6-fixed tiger mouth, 7-second bucket axle, 8-installation fixed orifices, 9-hook-shaped briquetting, 10-mounting hole, 11-anticreep axle, 12-hydraulic lock.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The utility model specifically discloses a quick connector, which comprises a connector body 1, wherein in order to realize quick connection, two sides of the bottom of the connector body 1 are respectively provided with a fixed tiger mouth 6 and a movable tiger mouth 5, the movable tiger mouth 5 is positioned on a hook-shaped pressing block 9, the hook-shaped pressing block 9 is connected with a hydraulic cylinder 2 arranged in the connector body 1 through a support connecting rod 3, the hook-shaped pressing block 9 can rotate around an installation shaft thereof under the action of the support connecting rod 3, the movable tiger mouth 5 is matched with a first bucket shaft 4, the fixed tiger mouth 6 is matched with a second bucket shaft 7, in the actual use process, the excavator often needs to replace different configuration accessories such as a bucket, a scarifier, a breaking hammer, a hydraulic shear, a wood grabbing device, a stone grabbing device and the like, the application range of the excavator can be enlarged, the time can be saved, and the working efficiency can be improved; the accessory parts are generally provided with a first bucket shaft 4 and a second bucket shaft 7, the first bucket shaft 4 and the second bucket shaft 7 are connecting pieces for connecting the accessory parts to the connector body 1, when the accessory parts are connected, the supporting connecting rod 3 is retracted through the hydraulic cylinder 2, the supporting connecting rod 3 pulls the hook-shaped pressing block 9 to rotate towards the inside of the connector body 1, at the moment, the fixed tiger mouth 6 is clamped on the second bucket shaft 7 of the accessory part to realize one-side connection, and then the supporting connecting rod 3 is pushed by the hydraulic cylinder 2 to move outwards to enable the movable tiger mouth 5 on the hook-shaped pressing block 9 to be clamped on the first bucket shaft 4, so that firm connection between the movable tiger mouth 5 and the first bucket shaft 4 and between the fixed tiger mouth 6 and the second bucket shaft 7 is realized under the jacking action of the hydraulic cylinder 2; the main innovation point of the utility model is that in order to avoid the situation that the movable jaw 5 is not firmly connected with the first bucket shaft 4, the fixed jaw 6 and the second bucket shaft 7 due to the damage or other reasons of the hydraulic cylinder 2 or the supporting connecting rod 3 or the fixed connection position, thereby the accessory accessories are separated, the outer position of the fixed jaw 6 is provided with the anti-separating mechanism which can prevent the second bucket shaft 7 from separating from the fixed jaw 6, and through the arrangement of the anti-separating mechanism, even if the hydraulic cylinder 2 or the supporting connecting rod 3 is damaged, the effect of the top support can not be achieved, the anti-separating mechanism can still prevent the second bucket shaft 7 from falling from the fixed jaw 6, and the anti-separating accessories from the connector can not fall off, thereby avoiding causing safety accidents.

Example 1

In order to achieve the anti-falling effect, specifically, as shown in fig. 2 and 3, the anti-falling mechanism can be implemented by a manual installation mode, which needs to open an installation hole 10 at the opening of the fixed jaw 6 of the connector body 1, and the anti-falling effect of preventing the second bucket shaft 7 from falling off from the fixed jaw 6 is achieved by installing an anti-falling shaft 11 inside the installation hole 10. The mounting hole 10 is located in the connector body 1 in the positions of the mounting holes in fig. 2 and 3 to achieve the effect of cross section, because the opening of the mounting hole 10 is in a downward state, the anti-falling shaft 11 needs to be fixed in the mounting hole 10 but also needs to be detachable, because the anti-falling shaft 11 cannot be mounted before the second bucket shaft 7 is clamped in the fixed jaw 6 in actual use, and the mounting of the anti-falling shaft 11 is completed after the second bucket shaft 7 is clamped in the fixed jaw 6. The anti-falling shaft 11 is fixed in the mounting hole 10, and the anti-falling shaft 11 can be mounted in the mounting hole 10 in a threaded connection mode, namely in a threaded connection mode, wherein the anti-falling shaft 11 can be mounted in the mounting hole 10 by arranging internal threads in the mounting hole 10, and the outer surface of one end of the anti-falling shaft 11 is provided with external threads matched with the internal threads; in order to facilitate the installation of the anti-falling shaft 11, the outer surface of the end of the anti-falling shaft 11, which is not provided with the external thread, can be of a regular hexagon structure, so that the conventional wrench can be conveniently used for installation. Of course, in the actual manufacturing process, the installation of the anti-falling shaft 11 may be realized by other methods, as long as the detachable connection between the anti-falling shaft 11 and the installation hole 10 can be realized.

Example 2

In order to achieve the anti-falling effect, specifically, as shown in fig. 4 and 5, the anti-falling mechanism can be achieved through an automatic control mode, namely, the hydraulic lock 12 is arranged at the opening of the fixed jaw 6, the hydraulic lock 12 comprises a hydraulic oil cylinder and a safety pin which can stretch out and draw back under the push-pull action of the hydraulic oil cylinder, the safety pin can achieve blocking of the second bucket shaft 7, the second bucket shaft 7 is prevented from falling off from the fixed jaw 6, safety is guaranteed, and in order to achieve the specific effect, an external oil way connected with the hydraulic oil cylinder and a control device for controlling the external oil way are required to be matched, control of the hydraulic lock 12 can be achieved through the control device, stretching control of the safety pin is achieved, and compared with manual installation of the anti-falling shaft 11, operation is more convenient.

In addition, the utility model also provides a state of another anti-falling mechanism, namely the anti-falling mechanism can be an electric telescopic device arranged at the opening of the fixed tiger mouth, the anti-falling effect is realized through the electric telescopic device, the electric telescopic mechanism can be an electric telescopic rod, after the installation is finished, the disengagement of the second bucket shaft 7 can be blocked in an extension state, and the second bucket shaft 7 can be ensured to be moved out of the fixed tiger mouth 6 in a retraction state.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a quick connector, including connector body (1), the bottom both sides of connector body (1) are equipped with fixed tiger's mouth (6) and activity tiger's mouth (5) respectively, activity tiger's mouth (5) are located hook briquetting (9), be connected through supporting connecting rod (3) between hook briquetting (9) and connector body (1) internally mounted pneumatic cylinder (2), and hook briquetting (9) can rotate around its installation axle under supporting connecting rod (3) effect, activity tiger's mouth (5) and first bucket axle (4) looks adaptation, fixed tiger's mouth (6) and second bucket axle (7) looks adaptation, its characterized in that, fixed tiger's mouth (6) outside mouth position department is installed and can be prevented the anti-disengaging mechanism that second bucket axle (7) breaks away from in fixed tiger's mouth (6); the anti-disengaging mechanism comprises a mounting hole (10) formed in the opening of the fixed tiger mouth (6) on the connector body (1) and an anti-disengaging shaft (11) which can be matched with the mounting hole (10); the anti-falling shaft (11) can be detachably arranged in the mounting hole (10); the inside of mounting hole (10) is equipped with the internal thread, is equipped with the external screw thread with internal thread matched with at the one end surface of anticreep axle (11).

2. The quick connector according to claim 1, wherein the outer surface of the end of the anti-drop shaft (11) where the external thread is not provided is of a regular hexagonal structure.