Adjustable lifting lug and telescopic module

Abstract

The utility model provides an adjustable lifting lug and telescopic module relates to lifting lug technical field, including lifting lug main part, tail nail and gland, lifting lug main part is provided with lifting lug hole, gland connector and tail nail installation space, the tail nail is provided with connecting end, connecting end can be installed in the tail nail installation space, gland can be connected with gland connector, and the gland is connected with the gland connector. The connecting end is limited in the tail nail installation space through the gland, so that the connecting end and the lifting lug body can rotate relatively while achieving connection, rotatable installation of the tail nail is achieved through the arrangement of the lifting lug body, the tail nail and the gland, and when the installation directions of lifting lug holes of two lifting lugs installed on equipment such as a hydraulic cylinder or an air cylinder are not consistent, the tail nail can be installed in the tail nail installation space. The direction can be aligned only by manually rotating the tail nail, the operation is simple and convenient, the lifting lug does not need to be mounted again after being dismounted, and the mounting efficiency of the lifting lug is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting lug technical field especially adjustable lifting lug and telescopic module. BACKGROUND

[0002] Lifting lug is generally used for the both ends of hydraulic cylinder or air cylinder or hydraulic damper, is used for the connection of hydraulic cylinder, air cylinder, hydraulic damper etc. and load, needs to pay attention to the direction of the lug hole of two lifting lugs when installing, otherwise cannot be connected with load, which needs to pay attention to the installation angle of two lifting lugs when installing, avoids the problem of needing to reinstall, leads to the problem of low installation efficiency, and the present application is provided for the above-mentioned defects. SUMMARY

[0003] The utility model discloses a kind of adjustable lifting lug and telescopic module, solve the problem of low installation efficiency caused by the need to disassemble and reassemble when the direction of two lug holes is inconsistent after the installation of present stage fixed lifting lug.

[0004] To solve the above problems, the utility model provides an adjustable lifting lug, which comprises a lifting lug body, a tail pin and a gland.

[0005] According to an embodiment of the utility model, the lifting lug body is provided with an oil injection hole connected with the lug hole, which can be injected with oil to increase the lubricity of the lug hole and reduce friction.

[0006] According to an embodiment of the utility model, the connecting end is provided with a disc-shaped structure, and the diameter of the disc-shaped structure is greater than that of other positions of the tail pin.

[0007] According to an embodiment of the utility model, the gland is provided with a through hole for the tail pin to pass through, and the diameter of the through hole is smaller than that of the disc-shaped structure.

[0008] According to an embodiment of the utility model, the gland connection body and the gland are connected by threads.

[0009] According to the utility model one embodiment, the gland connector is annular structure, the tail nail installation space is formed in annular structure, is provided with outer thread on the annular structure, the gland is provided with annular groove, is provided with inner thread in the annular groove, the annular groove and annular structure are connected through thread cooperation, realize larger connecting area, guarantee the fastening degree of connection.

[0010] According to the utility model one embodiment, the lug hole inner wall is provided with an anti-friction structure for reducing the rotational friction between the pin shaft and the lug hole.

[0011] According to the utility model one embodiment, the anti-friction structure includes a cylindrical flange uniformly distributed along the lug hole inner wall, and the friction reduction effect can also be achieved by setting a ball, a smooth coating or the like.

[0012] According to the utility model one embodiment, the tail nail further has a threaded section, and the tail nail is connected to an external device through the threaded section.

[0013] A telescopic module, which is a hydraulic cylinder or a pneumatic cylinder or a hydraulic damper, is provided with the adjustable lug described above.

[0014] The utility model has the advantages that the lug main body, the tail nail and the gland are arranged to allow the tail nail to be rotatably installed, when the installation directions of the lug holes of two lugs installed on a device such as a hydraulic cylinder or a pneumatic cylinder are inconsistent, the tail nail can be manually rotated to align the directions, which is simple and convenient to operate and does not require the lugs to be disassembled and reinstalled, thereby improving the lug installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings and embodiments.

[0016] Figure 1 It is a front view of the adjustable lug.

[0017] Figure 2 It is a schematic view of the overall structure of the adjustable lug.

[0018] Figure 3 It is a schematic view of the structure of the tail nail.

[0019] Figure 4 It is a sectional view of the gland.

[0020] Figure 5 It is a schematic view of the structure of the gland. DETAILED DESCRIPTION

[0021] The following description is merely illustrative in nature and is in no way intended to limit the scope of the application as defined by the appended claims. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the following description. The principles of the application defined in the following description can be applied to other embodiments, variations, modifications, and equivalents of the principles described in the following description without departing from the spirit and scope of the application.

[0022] Example 1

[0023] An adjustable lifting lug, such as Figure 1 , comprises a lug body 3, a tail pin 1 and a gland 2.

[0024] As shown in Figure 3 , the tail pin 1 comprises a connecting end 11 and a threaded segment 12, the tail pin 1 is connected with external equipment through the threaded segment 12, the tail pin 1 is in a cylindrical shape as a whole, the connecting end 11 is in a disc structure (also can be called as a boss), the diameter of the disc structure is larger than the diameter of other positions of the tail pin 1.

[0025] As shown in Figure 4 , Figure 5 , the gland 22 is in a cylindrical shape as a whole, a through hole 22 for the tail pin 1 to pass through is arranged in the gland 22, the diameter of the through hole 22 is smaller than the diameter of the disc structure, an annular groove 21 is arranged at the periphery of the through hole 22, and an internal thread is arranged in the annular groove 21.

[0026] As shown in Figure 1 , Figure 2 , the lug body 3 is provided with a lug hole 32, a gland connecting body 31 and a tail pin mounting space 35, a wear-reducing structure is arranged on the inner wall of the lug hole 32, in the embodiment, the wear-reducing structure comprises cylindrical flanges 34 which are uniformly distributed along the inner wall of the lug hole 32 and used to reduce the rotating friction force between the pin shaft and the lug hole, the gland connecting body 31 is in a ring structure, the tail pin mounting space 35 is formed in the ring structure, an external thread is arranged on the ring structure, and the annular groove 21 is connected with the ring structure through thread cooperation.

[0027] An oil injection hole 33 connected with the lug hole 32 is arranged on the side surface of the lug body 3, and the lug hole 32 can be lubricated through the oil injection hole 33, so as to reduce the friction force.

[0028] The connecting end 11 can be mounted in the tail pin mounting space 35 and can rotate in the tail pin mounting space 35, so as to realize the adjustability of the direction of the lug, the gland 2 can be connected with the gland connecting body 31, the gland 2 limits the connecting end 11 in the tail pin mounting space 35, the gland 2 is pressed at the disc structure region, so that the connecting end 11 is connected with the lug body 3, and the two can also rotate relative to each other, so as to adjust the direction of the lug.

[0029] During installation, the tail stud 1 is installed on the lug body 3, the boss side of the tail stud 1 extends into the tail stud installation space 35 of the lug tail, then the inner hole of the gland 2 passes through the tail stud 1, the gland 2 and the lug body 3 are fastened by threads, the tail stud 1 can rotate freely in the tail stud installation space 35, when the installation directions of the lug holes of two lugs are inconsistent, the direction can be aligned by manually rotating the tail stud.

[0030] Optionally, when the direction adjustment is completed, the gland 2 can be further tightened to press and fix the tail stud.

[0031] A telescopic module, the telescopic module is a hydraulic cylinder or a pneumatic cylinder or a hydraulic damper, and the telescopic module is provided with the adjustable lug.

[0032] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can have any deformation and modification without departing from the principle.

Claims

1. An adjustable lifting lug, characterized by: The invention comprises a lifting ear body (3), a tail nail (1) and a pressure cover (2), wherein the lifting ear body (3) is provided with a lifting ear hole (32), a pressure cover connector (31) and a tail nail installation space (35), the tail nail (1) is provided with a connecting end (11), the connecting end (11) can be installed in the tail nail installation space (35) and can rotate in the tail nail installation space (35), the pressure cover (2) can be connected to the pressure cover connector (31), and the pressure cover (2) is used to confine the connecting end (11) in the tail nail installation space (35).

2. The adjustable lifting lug according to claim 1, characterized in that: The lifting lug body (3) is provided with an oil filling hole (33) connected to the lifting lug hole (32).

3. The adjustable lifting lug according to claim 1, characterized in that: The connection end (11) is provided with a disc-shaped structure, and the pressure cover (2) is pressed into the disc-shaped structure area.

4. The adjustable lifting lug according to claim 3, characterized in that: A through hole (22) for the tail nail (1) to pass through is provided in the gland (2), and the diameter of the through hole (22) is smaller than the diameter of the disc-shaped structure.

5. The adjustable lifting lug according to claim 4, characterized in that: The gland connector (31) and the gland (2) are connected by threads.

6. The adjustable lifting lug according to claim 5, characterized in that: The gland connector (31) is an annular structure, an external thread is provided on the annular structure, the gland (2) is provided with an annular groove (21), an internal thread is provided in the annular groove (21), and the annular groove (21) and the annular structure are connected by threaded engagement.

7. The adjustable lifting eye according to any one of claims 1 to 6, characterized in that: The inner wall of the lifting ear hole (32) is provided with a friction reducing structure.

8. The adjustable lifting lug according to claim 7, characterized in that: The wear-reducing structure comprises cylindrical flanges (34) evenly distributed along the inner wall of the lifting ear hole (32).

9. The adjustable lifting lug according to claim 7, characterized in that: The tail nail (1) also has a threaded section (12).

10. A telescopic module, characterized in that: The telescopic module comprises a hydraulic cylinder or a pneumatic cylinder or a hydraulic damper, and the adjustable lifting lug according to any one of claims 1 to 9 is mounted on the telescopic module.

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