CN-224209861-U - Pulling aid and pulling aid assembly

Abstract

The application discloses a pull-out aid and a bracket assembly, wherein the pull-out aid comprises a base, a first lever, a second lever, an unlocking mechanism and an anti-false touch device, wherein the first lever is pivotally connected to the base along a first axis, the second lever is pivotally connected to the base along a second axis and is linked with the first lever, the unlocking mechanism is movably arranged on the first lever so as to prevent or allow the first lever to pivot, and the unlocking mechanism is provided with the anti-false touch device which is used for keeping the unlocking mechanism in a position preventing the first lever from pivoting. The pull-out aid has a compact structure and can prevent misoperation.

Inventors

• LAN GANGYONG

Assignees

• 索斯科锁定技术（深圳）有限公司

Dates

Publication Date

20260508

Application Date

20250526

Claims (20)

1. 1. A pull-out aid (1), characterized in that it comprises: A base (40); A first lever (10) pivotally connected to the base along a first axis (A1); A second lever (20) pivotally connected to the base along a second axis (A2) and interlocked with the first lever; An unlocking mechanism (50) is movably arranged on the first lever to prevent or allow the pivoting of the first lever, and is provided with a false touch preventing device (560) which is arranged to keep the unlocking mechanism in a position preventing the pivoting of the first lever.
2. 2. The extractor aid (1) according to claim 1, characterized in that the unlocking mechanism is pivotally connected to the first lever along a third axis (A3), the anti-false device preventing the pivoting of the first lever by preventing the pivoting of the unlocking mechanism.
3. 3. The extractor aid (1) according to claim 2, characterized in that the anti-false contact device has a first pivot position preventing the first lever from pivoting and a second pivot position allowing the first lever to pivot.
4. 4. A pull-out aid (1) according to claim 3, wherein the unlocking mechanism has a locked position in which one end of the unlocking mechanism abuts the base and an unlocked position in which the anti-false contact device abuts the first lever at the other end of the unlocking mechanism.
5. 5. The extractor aid (1) according to claim 4, characterized in that the anti-false-touch device is pivoted to the other end of the unlocking mechanism.
6. 6. A pull-out aid (1) according to claim 3, wherein the unlocking mechanism has a locked position in which one end of the unlocking mechanism abuts the base and an unlocked position in which the anti-false contact device is operable to abut the other end of the unlocking mechanism.
7. 7. The extractor aid (1) according to claim 6, characterized in that the anti-false-touch device is pivoted to the first lever.
8. 8. The extractor aid (1) according to claim 4 or 6, characterized in that the base has a contact portion (420) with which the one end of the unlocking mechanism remains in contact during the pivoting of the unlocking mechanism.
9. 9. The extractor aid (1) according to claim 8, characterized in that said one end of the unlocking mechanism has a roller (521), said contact portion comprising a stop (421) and a guide surface (422), wherein, In the locked position, the roller abuts the stop portion, and In the unlocking position, the roller rolls on the guide surface with the pivoting of the first lever.
10. 10. The extractor aid (1) according to claim 1, characterized in that the first lever has a false touch prevention engagement portion (1223) limiting the movement of the false touch prevention device.
11. 11. The extractor aid (1) according to claim 4 or 6, characterized in that the first lever has an unlocking mechanism receiving portion (122) for receiving at least a part of the unlocking mechanism, the unlocking mechanism having an unlocking portion (531) which is exposed outside the first lever when the unlocking mechanism is in the locked position.
12. 12. The extractor aid (1) according to claim 2, characterized in that it comprises a stop (30), the first lever having a first pivot position and a second pivot position, The unlocking mechanism locks the first lever when the first lever is pivoted to a first pivot position, and The stop locks the first lever when the first lever is pivoted to a second pivot position.
13. 13. The extractor aid (1) according to claim 12, characterized in that the stop is pivotally connected to the base along a fourth axis (A4) and comprises a stop portion (320) and a stop release portion (330), wherein the stop portion abuts the first lever to lock the first lever and the stop release portion is actuated to release the stop portion from locking the first lever.
14. 14. The extractor aid (1) according to claim 1, characterized in that the first lever has a first interlocking part (113) and the second lever has a second interlocking part (220), the first interlocking part being engaged with the second interlocking part such that the first lever is interlocked with the second lever.
15. 15. The extractor aid (1) according to claim 14, characterized in that the first interlocking part has one of external teeth and internal teeth extending circumferentially around the first axis, and the second interlocking part has the other of external teeth and internal teeth extending circumferentially around the second axis, respectively.
16. 16. The extractor aid (1) according to claim 14, characterized in that the first interlocking part is formed as a protrusion in the first axial direction and the second interlocking part is formed as a groove.
17. 17. The extractor aid (1) according to claim 12, characterized in that the first lever has a pivot limit (112), the base limiting the pivoting range of the first lever between the first and second pivot positions by limiting the pivot limit.
18. 18. The extractor aid (1) according to claim 17, characterized in that the pivot limit is formed as a circular arc-shaped through hole centered on the first axis.
19. 19. The extractor aid (1) according to claim 13, characterized in that the second lever has a tongue (230) which protrudes beyond the base, to which the pivoting force exerted on the first lever is transmitted in an amplified manner.
20. 20. The extractor aid (1) according to claim 19, characterized in that the extractor aid is fixed to a first object, which is located in a second object, the tongue pushing against the second object when the first lever is pivoted from the first pivot position to the second pivot position, so as to keep the first object away from the second object.

Description

Pulling aid and pulling aid assembly Technical Field The present application relates to a pull-up aid and a pull-up aid assembly, and more particularly, to a pull-up aid and a pull-up aid assembly for a computer server. Background The pull aid is a device for assisting in insertion and separation of two objects through leverage. In the field of servers, the insertion and removal of storage units often requires a large force, for example, more than 100 kg. In this way, it is difficult for the operator to provide sufficient insertion and extraction force without the aid of a tool. The extractor aid can amplify the manpower by the lever principle, so that the storage unit can be easily extracted from or inserted into the interface. The existing pulling-assisting device can realize the function of assisting in inserting and pulling, but has the defects of not compact structure and larger volume. In addition, the existing extractor has poor operation stability, is easy to cause misoperation and has poor mechanical texture. Thus, there is a need for further improvements in the extractor aids. Disclosure of utility model The object of the present application is to provide a extractor aid which alleviates or eliminates at least one of the above-mentioned drawbacks. In order to achieve the above object, the present application provides a pull-out aid comprising a base, a first lever pivotally connected to the base along a first axis, a second lever pivotally connected to the base along a second axis and interlocked with the first lever, an unlocking mechanism movably provided on the first lever to prevent or allow pivoting of the first lever, the unlocking mechanism being provided with a false touch preventing device arranged to hold the unlocking mechanism in a position preventing pivoting of the first lever. In one embodiment, the unlocking mechanism is pivotally connected to the first lever along a third axis, and the anti-false device prevents pivoting of the first lever by preventing pivoting of the unlocking mechanism. In one embodiment, the unlocking mechanism has a locking position and an unlocking position, wherein in the locking position, one end of the unlocking mechanism abuts against the base, and the false touch preventing device abuts against the first lever at the other end of the unlocking mechanism. In one embodiment, the anti-false touch device is pivoted to the other end of the unlocking mechanism. In one embodiment, the unlocking mechanism has a locked position in which one end of the unlocking mechanism abuts the base and an unlocked position in which the false touch preventing device is operable to abut the other end of the unlocking mechanism. In one embodiment, the anti-false touch device is pivotally connected to the first lever. In one embodiment, the base has a contact portion with which the one end of the unlocking mechanism remains in contact during pivoting of the unlocking mechanism. In one embodiment, the one end of the unlocking mechanism has a roller, the contact portion includes a stopper portion and a guide surface, wherein in the locked position the roller abuts the stopper portion, and in the unlocked position the roller rolls on the guide surface with the pivoting of the first lever. In one embodiment, the first lever has a false touch prevention engagement portion that limits movement of the false touch prevention device. In one embodiment, the first lever has an unlocking mechanism receiving portion to receive at least a portion of the unlocking mechanism, the unlocking mechanism having an unlocking portion that is exposed outside the first lever when the unlocking mechanism is in the locked position. In one embodiment, the extractor aid includes a stop, the first lever having a first pivot position and a second pivot position, the unlocking mechanism locking the first lever when the first lever is pivoted to the first pivot position, and the stop locking the first lever when the first lever is pivoted to the second pivot position. In one embodiment, the stopper is pivotally connected to the base along a fourth axis, and includes a stopper portion and a stopper releasing portion, wherein the stopper portion abuts the first lever to lock the first lever, and the stopper releasing portion is actuated to release the lock of the first lever by the stopper portion. In one embodiment, the first lever has a first interlocking portion and the second lever has a second interlocking portion, the first interlocking portion being engaged with the second interlocking portion such that the first lever is interlocked with the second lever. In one embodiment, the first interlocking portion has one of external teeth and internal teeth extending circumferentially around the first axis, and the second interlocking portion has the other of external teeth and internal teeth extending circumferentially around the second axis, respectively. In one embodiment, the first interlocking portion is form