CN219113971U - Article hooking mechanism - Google Patents

Article hooking mechanism Download PDF

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Publication number
CN219113971U
CN219113971U CN202223553369.4U CN202223553369U CN219113971U CN 219113971 U CN219113971 U CN 219113971U CN 202223553369 U CN202223553369 U CN 202223553369U CN 219113971 U CN219113971 U CN 219113971U
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China
Prior art keywords
movable
piece
article
central shaft
hooking mechanism
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CN202223553369.4U
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Chinese (zh)
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魏伟
梁富明
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Guangzhou Tianhe Nuoya Bioengineering Co ltd
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Guangzhou Tianhe Nuoya Bioengineering Co ltd
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Abstract

The utility model discloses an article hooking mechanism, which comprises: the holding rod is provided with a sliding channel, and the sliding channel penetrates through the lower end of the holding rod; the hook is connected with the lower end of the holding rod; the linkage elastic piece is provided with a connecting end and a movable end which are oppositely arranged, the connecting end is connected with the hook, and the movable end extends to the lower part of the sliding channel; the anti-falling device is in sliding fit with the sliding channel and comprises a central shaft, a fixed piece, a movable piece and a first elastic piece; the center pin activity sets up in the slip passageway, the lower extreme of center pin is connected to the stationary blade, the lower extreme butt linkage shell fragment of stationary blade's movable end, the articulated stationary blade of movable blade, first elastic component sets up between movable blade and stationary blade, when article hooking mechanism hooks article, the article pushes down the linkage shell fragment, make the linkage shell fragment break away from the stationary blade, anticreep device descends under the action of gravity, when the movable blade descends to the position that breaks away from the slip passageway, first elastic component struts the movable blade, the movable blade cooperation couple spacing article, can prevent that article from breaking away from the couple.

Description

Article hooking mechanism
Technical Field
The utility model relates to the technical field of bioengineering, in particular to an article hooking mechanism.
Background
The hand-held hook is a specimen taking auxiliary device commonly used in bioengineering. The existing hand-held hook is provided with a rod part and a hook groove at the lower end of the connecting rod, when the user drags out the article, the user stretches the hand-held hook into the article placing container, and the user can hook the article by the hook groove and then take out the hand-held hook to remove the article from the container. However, the lack of anti-drop means in existing hand-held hooks, particularly in environments with low visibility, such as in biological liquid nitrogen containers, does not guarantee that the items will not drop from the hook slot position during lifting, particularly fragile items, which, once dropped, will cause loss of the items.
Disclosure of Invention
The utility model aims to provide an article hooking mechanism which can ensure that articles cannot fall off when hooked under the environment with low visibility.
In order to achieve the above object, the present utility model provides the following technical solutions:
an article hooking mechanism comprising:
the holding rod is provided with a sliding channel, and the sliding channel penetrates through the lower end of the holding rod;
the hook is connected with the lower end of the holding rod and is used for hooking articles;
the linkage elastic piece is provided with a connecting end and a movable end which are oppositely arranged, the connecting end of the linkage elastic piece is connected with the hook, and the movable end of the linkage elastic piece extends to the lower part of the sliding channel;
the anti-falling device is in sliding fit with the sliding channel and comprises a central shaft, a fixed sheet, a movable sheet and a first elastic piece; the central shaft is movably arranged in the sliding channel, the fixing piece is connected with the lower end of the central shaft, the lower end of the fixing piece is abutted to the movable end of the linkage elastic piece, one end of the movable piece is hinged to the fixing piece, the first elastic piece is elastically abutted between the movable piece and the fixing piece, and the first elastic piece is used for supporting the movable piece when the movable piece descends to a position separated from the sliding channel in a pressed state.
As a preferable mode, the device further comprises a second elastic piece, wherein the second elastic piece is abutted between the central shaft and is used for supporting the central shaft upwards.
As a preferable scheme, the second elastic piece comprises a return spring, the return spring is sleeved on the central shaft, and a protruding portion used for abutting against the upper end of the return spring is arranged on the central shaft.
As a preferred aspect, the first elastic member includes a coil spring, and the anti-slip device further includes a shaft coupling passing through the fixing piece, the movable piece, and the coil spring.
As a preferable scheme, a strip-shaped hole is formed in the side wall of the holding rod, the strip-shaped hole is communicated with the sliding channel, and the length direction of the strip-shaped hole is the extending direction of the sliding channel;
the anti-drop device also comprises a moving block, wherein the moving block is connected with the central shaft and partially exposed out of the strip-shaped hole.
As a preferred aspect, the moving block includes a manipulation part which is located at an outer side of the grip lever and has a width greater than that of the bar-shaped hole, and a connection part which passes through the bar-shaped hole and connects the central shaft and the manipulation part.
As a preferable scheme, the top wall of the holding rod is provided with an opening, the central shaft is exposed out of the opening upwards, the top end of the central shaft is provided with a stop piece, and the width of the stop piece is larger than the aperture of the opening.
As a preferable scheme, an inclined surface is arranged at one side of the lower end of the holding rod, which is close to the connecting end of the linkage elastic sheet.
As a preferable scheme, the holding rod and the hook are provided with reinforcing ribs, the reinforcing ribs comprise a first connecting section and a second connecting section, the first connecting section is connected with one side, deviating from the inclined surface, of the holding rod, and the second connecting section is connected with the wall surface, deviating from the opening of the hook, of the hook.
As a preferable scheme, the cross section of the hook and the cross section of the linkage elastic sheet are arc-shaped, and the height of the tail end of the hook is higher than or equal to the height of the hinge position of the movable sheet and the fixed sheet; the connecting end of the linkage elastic piece is connected with the wall surface of the hook facing one side of the fixing piece, and the height of the connecting end of the linkage elastic piece is lower than the height of the hinge position of the movable piece and the fixing piece.
Compared with the prior art, the utility model has the following beneficial effects:
the article hooking mechanism comprises a linkage elastic sheet and an anti-falling device. When the article hooking mechanism hooks an article, the article pushes down the linkage elastic sheet, namely the linkage elastic sheet is in a pressed state and then is separated from the fixed sheet downwards, the anti-falling device descends under the action of gravity, and when the movable sheet descends to a position separated from the sliding channel, the first elastic piece supports the movable sheet, and the movable sheet is matched with the hook to limit the article, so that the article is prevented from being separated from the hook. Thus, errors can be reduced in an operating environment with low visibility, and damage to fragile products can be avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a perspective view of an article hooking mechanism of the present utility model in an unhooked state;
FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;
FIG. 3 is a side view of the article retrieval mechanism of the present utility model in an un-hung article condition;
FIG. 4 is an enlarged view of a portion of FIG. 2 at position B;
FIG. 5 is a perspective view of the article hooking mechanism of the present utility model in a hanging condition;
FIG. 6 is a side view of the article hooking mechanism of the present utility model in a hanging condition;
in the figure:
1. a grip lever; 11. a sliding channel; 12. a bar-shaped hole; 2. an anti-falling device; 21. a fixing piece; 22. a movable plate; 23. a central shaft; 24. a shaft coupling; 25. a moving block; 251. a manipulation section; 252. a connection part; 26. a stopper; 27. a protruding portion; 28. a first elastic member; 3. a hook; 31. reinforcing ribs; 4. a linkage spring plate; 41. a connection end; 42. a movable end; 5. and a second elastic member.
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.
As shown in fig. 1-6, the present embodiment provides an article hooking mechanism that can be used in environments with low visibility, such as in liquid nitrogen or in dark environments. The article hooking mechanism comprises: the device comprises a holding rod 1, a hook 3, a linkage elastic piece 4 and an anti-falling device 2. The grip lever 1 has a sliding channel 11, and the sliding channel 11 extends along the length direction of the grip lever 1 and penetrates the lower end of the grip lever 1. The hook 3 is connected with the lower end of the holding rod 1 and is used for hanging articles; the linkage elastic piece 4 is provided with a connecting end 41 and a movable end 42, the connecting end 41 of the linkage elastic piece 4 is connected with the hook 3, and the movable end 42 of the linkage elastic piece 4 extends to the lower part of the sliding channel; the anti-falling device 2 is in sliding fit with the sliding channel 11, and the anti-falling device 2 comprises a central shaft 23, a fixed sheet 21, a movable sheet 22 and a first elastic piece 28; the center shaft 23 is movably arranged in the sliding channel 11, the fixing piece 21 is connected with the lower end of the center shaft 23, the lower end of the fixing piece 21 is abutted against the movable end 42 of the linkage elastic piece 4, one end of the movable piece 22 is hinged with the fixing piece 21, the first elastic piece 28 is elastically abutted between the movable piece 22 and the fixing piece 21, and the first elastic piece 28 is used for supporting the movable piece 22 when the movable piece 22 descends to a position separated from the sliding channel 11 in a pressed state of the linkage elastic piece 4.
When the article hooking mechanism hooks an article, the article pushes down the linkage elastic sheet 4, namely, the linkage elastic sheet 4 is in a pressed state and then is separated from the fixed sheet 21 downwards, the anti-falling device 2 descends under the action of gravity, when the movable sheet 22 descends to a position separated from the sliding channel 11, the first elastic piece 28 props up the movable sheet 22, the movable sheet 22 cooperates with the hook 3 to limit the article, and the article is prevented from being separated from the hook 3. Thus, errors can be reduced in an operating environment with low visibility, and damage to fragile products can be avoided.
As shown in fig. 3, the article hooking mechanism further includes a second elastic member 5, and the second elastic member 5 is abutted between the central shaft 23 and the central shaft 23 for supporting the central shaft 23 upward. In this way, the second elastic member 5 can provide an elastic force for returning the anti-falling device 2 upward. Specifically, the second elastic element 5 includes a return spring, the return spring is sleeved on the central shaft 23, a protruding portion 27 for abutting against the upper end of the return spring is arranged on the central shaft 23, and the protruding portion 27 may be a protruding ring with a diameter larger than that of the return spring, or may be a protruding block arranged on one side of the central shaft 23 and used for abutting against the upper end of the return spring. The inner wall of the movable channel of the holding rod 1 can be provided with a limiting part for limiting the lower end of the reset spring. So configured, when the central shaft 23 is displaced downwardly, the projection 27 will compress the return spring downwardly, which compresses against the projection 27 to exert an upward force on the central shaft 23, which force is greater than the downward force on the central shaft 23, such that the central shaft 23 automatically returns upwardly. In other embodiments, the second elastic member 5 may be configured such that the upper end is connected to the grip lever 1 and the lower end is connected to the central shaft 23, and the second elastic member 5 is in a stretched state when the central shaft 23 is displaced downward, thereby applying an upward force to the central shaft 23.
As shown in fig. 4, the first elastic member 28 includes a coil spring having one end abutting the fixed piece 21 and the other end abutting the movable piece 22. The anti-drop apparatus 2 further includes a shaft coupling 24, and the shaft coupling 24 passes through the fixing piece 21, the movable piece 22, and the first elastic piece 28. In this embodiment, the shaft connector 24 is a thick-head screw, which facilitates assembly of the movable plate 22 and the coil spring. In other embodiments, the first elastic member 28 may be a spring plate, a spring, or the like.
As shown in fig. 3 and 5, a bar-shaped hole 12 is formed in the side wall of the holding rod 1, and the bar-shaped hole 12 is communicated with the sliding channel 11; the anti-drop device 2 further comprises a moving block 25, wherein the moving block 25 is connected with the central shaft 23 and partially exposed out of the strip-shaped hole 12. So configured, a user can determine whether the movable piece 22 is open by the height of the movable piece 25 relative to the bar-shaped hole 12, when the movable piece 22 is open, the movable piece 25 is in the low position, and when the movable piece 22 is closed, the movable piece 25 is in the high position.
As shown in fig. 3 and 5, the moving block 25 includes a manipulating part 251 and a connecting part 252, the manipulating part 251 being located at the outer side of the grip lever 1 and having a width larger than that of the bar-shaped hole 12, the connecting part 252 passing through the bar-shaped hole 12 and connecting the central shaft 23 and the manipulating part 251. By this arrangement, the central shaft 23 can be reset upward by pushing the operating part 251 upward in the event of failure of automatic recovery, and the use requirement can be satisfied more flexibly in operation. The connection portion 252 may be detachably engaged with the central shaft 23, for example, by screwing or plugging.
As shown in fig. 1 and 3, the top wall of the grip lever 1 has an opening (not shown), the central shaft 23 is exposed upward from the opening, and a stop member 26 is provided at the top end of the central shaft 23, and the width of the stop member 26 is larger than the aperture of the opening. The stopper 26 serves to restrict the central shaft 23 from descending. It will be appreciated that the stop 26 and the operator 251 may both be provided or only one of them may be provided.
As shown in fig. 3 and 6, an inclined surface is provided at the lower end of the grip lever 1 at a side close to the connecting end 41 of the link elastic piece 4. The angle between the inclined surface and the length direction of the holding rod 1 is preferably 45 degrees. The lower end of the grip lever 1 is provided with an inclined surface to provide a sufficient swing space for the movable piece 22. The opening angle of the movable piece 22 with respect to the fixed piece 21 is preferably 90 degrees.
As shown in fig. 3, a reinforcing rib 31 is arranged between the holding rod 1 and the hook 3, the reinforcing rib 31 comprises a first connecting section and a second connecting section, the first connecting section is connected with one side of the holding rod 1, which is away from the inclined surface, and the second connecting section is connected with the wall surface of the hook 3, which is away from the opening of the hook 3. The reinforcing ribs 31 are arranged to be beneficial to increasing the connection strength between the holding rod 1 and the hook 3, enhancing the stability of the hook 3 and avoiding the occurrence of the condition of breakage or bending deformation of the hook 3 caused by hanging a heavy object.
As shown in fig. 1, 3 and 4, the cross section of the hook 3 and the cross section of the linkage elastic piece 4 are arc-shaped. The height of the tail end of the hook 3 is higher than or equal to the height of the hinge position of the movable plate 22 and the fixed plate. So arranged, the articles are easy to be placed and are separated from the hooks 3. The cross-section arc of the hook 3 is preferably 5/8 of an arc, i.e. the angle corresponding to the cross-section arc is 225 degrees. The connecting end 41 of the linkage elastic sheet 4 is connected with the wall surface of the hook 3 facing the fixed sheet 21, and the height of the connecting end 41 of the linkage elastic sheet 4 is lower than the height of the hinge position of the movable sheet 22 and the fixed sheet. By the arrangement, the article can be ensured to move a certain distance along the hook 3 and then touch the linkage elastic sheet 4, so that the article is further ensured not to fall off when being hooked.
The principle of use of the article hooking mechanism in this embodiment is as follows:
as shown in fig. 1 and 3, when the article hooking mechanism is in a normal state, i.e. the linkage elastic sheet 4 is in a non-pressed state, the movable end 42 of the linkage elastic sheet 4 abuts against the fixing sheet 21, at this time, the movable sheet 22 and the fixing sheet 21 are at least partially located in the movable channel, and the movable sheet 22 is in a closed state under the restriction of the movable channel.
As shown in fig. 5 and 6, when the hook 3 hooks an article, the article pushes down the linkage elastic sheet 4, that is, the linkage elastic sheet 4 is in a pressed state and then is separated from the fixing sheet 21 downward, and the anti-falling device 2 descends under the action of gravity. When the movable piece 22 descends to a position separating from the sliding channel 11, the elastic force of the first elastic piece 28 stretches the movable piece 22, the movable piece 22 swings upwards, namely the movable piece 22 is switched to an open state, the movable piece 22 cooperates with the hook 3 to limit articles, and the articles are prevented from separating from the end part of the hook 3. Thus, errors can be reduced in an operation environment with lower visibility, and damage to fragile products can be avoided, for example, the sample is safer and firmer when the sample is fished in a liquid nitrogen deep low-temperature environment. When the article transferring operation is finished, the linkage device can automatically reset upwards under the auxiliary action of the second elastic piece, and if the automatic reset fails, a user can also manually intervene in the reset, such as pushing the moving block 25 or the stopping piece 26 upwards, so that the central shaft 23 moves upwards relative to the holding rod 1. In this way, the use requirements can be met in an operation more flexibly.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An article hooking mechanism comprising:
the holding rod is provided with a sliding channel, and the sliding channel penetrates through the lower end of the holding rod;
the hook is connected with the lower end of the holding rod and is used for hooking articles;
the linkage elastic piece is provided with a connecting end and a movable end which are oppositely arranged, the connecting end of the linkage elastic piece is connected with the hook, and the movable end of the linkage elastic piece extends to the lower part of the sliding channel;
the anti-falling device is in sliding fit with the sliding channel and comprises a central shaft, a fixed sheet, a movable sheet and a first elastic piece; the central shaft is movably arranged in the sliding channel, the fixing piece is connected with the lower end of the central shaft, the lower end of the fixing piece is abutted to the movable end of the linkage elastic piece, one end of the movable piece is hinged to the fixing piece, the first elastic piece is elastically abutted between the movable piece and the fixing piece, and the linkage elastic piece is used for supporting the movable piece when the movable piece descends to a position separated from the sliding channel in a pressed state.
2. The article hooking mechanism of claim 1 further comprising a second resilient member abutting between the central shaft and the central shaft for supporting the central shaft upward.
3. The article hooking mechanism according to claim 2, wherein the second elastic member includes a return spring which is fitted around the center shaft, and a projection for abutting against an upper end of the return spring is provided on the center shaft.
4. The article hooking mechanism according to claim 1, wherein the first elastic member comprises a coil spring, and the anti-slip device further comprises a shaft coupling passing through the fixing piece, the movable piece, and the coil spring.
5. The article hooking mechanism according to claim 1, wherein a bar-shaped hole is formed in a side wall of the grip lever, the bar-shaped hole is communicated with the sliding passage, and a length direction of the bar-shaped hole is an extending direction of the sliding passage;
the anti-drop device also comprises a moving block, wherein the moving block is connected with the central shaft and partially exposed out of the strip-shaped hole.
6. The article hooking mechanism according to claim 5, wherein the moving block includes an operating portion which is located outside the grip lever and has a width larger than that of the bar-shaped hole, and a connecting portion which passes through the bar-shaped hole and connects the center shaft and the operating portion.
7. The article hooking mechanism according to claim 1, wherein the top wall of the grip lever has an opening, the central shaft is exposed upward from the opening, and a stop member is provided at a top end of the central shaft, and a width of the stop member is larger than a diameter of the opening.
8. The article hooking mechanism according to claim 1, wherein an inclined surface is provided at a side of the lower end of the grip lever near the connecting end of the linked elastic piece.
9. The article hooking mechanism according to claim 8, wherein a reinforcing rib is provided between the holding rod and the hanger, the reinforcing rib includes a first connecting section and a second connecting section, the first connecting section is connected to a side of the holding rod facing away from the inclined surface, and the second connecting section is connected to a wall surface of the hanger facing away from the hanger opening.
10. The article hooking mechanism according to claim 1, wherein the cross section of the hook and the cross section of the linked elastic sheet are arc-shaped, and the height of the tail end of the hook is higher than or equal to the height of the hinge position of the movable sheet and the fixed sheet; the connecting end of the linkage elastic piece is connected with the wall surface of the hook facing one side of the fixing piece, and the height of the connecting end of the linkage elastic piece is lower than the height of the hinge position of the movable piece and the fixing piece.
CN202223553369.4U 2022-12-28 2022-12-28 Article hooking mechanism Active CN219113971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223553369.4U CN219113971U (en) 2022-12-28 2022-12-28 Article hooking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223553369.4U CN219113971U (en) 2022-12-28 2022-12-28 Article hooking mechanism

Publications (1)

Publication Number Publication Date
CN219113971U true CN219113971U (en) 2023-06-02

Family

ID=86529907

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223553369.4U Active CN219113971U (en) 2022-12-28 2022-12-28 Article hooking mechanism

Country Status (1)

Country Link
CN (1) CN219113971U (en)

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