CN216863394U - Self-locking hook and transport mechanism - Google Patents

Abstract

The utility model provides a self-locking hook and a transport mechanism. The self-locking hook comprises a hook body and a locking tongue; the hook body comprises a first part and a second part which are connected in sequence along the length direction of the hook body, and the first part is used to be installed on the outside The second part is used for hoisting the object to be hung; one end of the lock tongue is slidably connected with the first part of the hook body, so that the lock tongue can slide relative to the hook body along the length direction of the first part, and can be connected with the first part in the first position. Switch between two positions; when the lock tongue is subjected to an external force, the lock tongue can slide relative to the hook body from the first position to the second position, and when the external force is withdrawn, the lock tongue can be relative to the hook under the action of gravity. The body slides from the second position to the first position. As a result, parts can be quickly hoisted and taken out, labor is effectively saved, and assembly efficiency is improved.

Description

Self-locking hook and transport mechanism

technical field

The utility model belongs to the technical field of construction machinery, in particular to a self-locking hook and a transport mechanism.

Background technique

In the assembly process of automobiles, a large number of parts are usually required. However, in order to ensure the cleanliness of the assembly site, a large number of components that need to be assembled will not be placed around the vehicle being assembled. It is the staff who hoist the components on the transport mechanism according to the real-time demand for the components. The transport mechanism It is then transported to assembly workers around the vehicle, who take the parts down and assemble them. In this process, self-locking hooks are generally required to hoist components.

The existing self-locking hook is usually composed of a hook body, a locking tongue, and a spring. Among them, the lock tongue is generally bent from a whole piece of thin steel plate, and the self-locking is completed by the elasticity of the spring. It is difficult to obtain a reasonable unity of the rigidity of the hook body and the elasticity of the lock. In the existing self-locking hook, after a period of use, the elastic force of the spring is lost, which will cause the self-locking hook to lose its self-locking function, causing the hanging parts to fall, which causes damage to the parts and safety problems. Moreover, since the vehicle assembly needs to ensure relatively high efficiency, the process of hoisting and removing parts from the self-locking hook frequently occurs. During the use of the existing self-locking hook, it needs to overcome the spring force to push the latch. Therefore, it is necessary for the staff to push the lock tongue hard, and if the operation is frequent for a long time, it will cause the fatigue problem of the staff.

Utility model content

The purpose of the utility model is to solve the problem of the self-locking hook in the prior art. After a period of use, the elastic force of the spring is lost, which will cause the self-locking hook to lose its self-locking function, causing the hanging object to fall and causing damage to the object. and safety issues. Moreover, during the use of the self-locking hook, it is necessary to overcome the elastic force of the spring to push the lock tongue, so the staff needs to push the lock tongue forcefully, and if it is operated frequently for a long time, it will cause the problem of fatigue.

In order to solve the above problems, the embodiment of the present utility model discloses a self-locking hook, which includes a hook body and a locking tongue; Installed on external components, and the second part is used to hoist the object to be hung;

One end of the locking tongue is slidably connected with the first part of the hook body, so that the locking tongue can slide relative to the hook body along the length direction of the first part, and can switch between the first position and the second position; and,

When the lock tongue slides to the first position relative to the hook body, the other end of the lock tongue abuts on the second part of the hook body, and the lock tongue and the hook body form a accommodating space for hoisting the object to be hung around the lock tongue and the hook body;

When the lock tongue slides to the second position relative to the hook body, there is a gap between the other end of the lock tongue and the second part of the hook body. on the second part;

Wherein, when the lock tongue is subjected to an external force, the lock tongue can slide relative to the hook body from the first position to the second position, and when the external force is withdrawn, the lock tongue can be relative to the hook body from the second position under the action of gravity Position slide to the first position.

With the above solution, one end of the latch tongue of the self-locking hook is slidably connected to the first part of the hook body. When an object needs to be hoisted, it is only necessary to apply an external force to the latch tongue to form a function between the latch tongue and the hook body. The object to be hung is hung on the hook body through the gap that the object to be hung passes through; after that, only the external force needs to be withdrawn, and the lock tongue can be in contact with the hook body under the action of gravity; when it needs to be removed from the hook body When the object is to be hung, it is only necessary to apply an external force to the lock tongue and lift the lock tongue to remove the object. As a result, in the process of frequently handling objects during vehicle assembly, the spring structure of the self-locking hook will not be damaged due to excessive use time, and when removing the object hanging on the hook body, the staff does not need to exert force. Pushing open the spring lock tongue, the lock tongue can be lifted with only one hand, and the object can be quickly taken out, which effectively saves labor and improves assembly efficiency.

According to another specific embodiment of the present invention, in the self-locking hook disclosed by the embodiment of the present invention, the hook body is in an L-shaped structure, the vertical section of the L-shaped structure is used as the first part of the hook body, and the horizontal section of the L-shaped structure is used as the first part of the hook body. The second part of the hook body, and the end of the second part away from the first part is provided with a limiting part for restricting the object to be hung from the second part.

With the above solution, the hook body is set as an L-shaped structure, which is the vertical section of the first part, which facilitates the locking tongue to cooperate with the hook body and to slide along the first part of the hook body. The limiting part arranged on the second part of the hook body can effectively prevent the object to be hung from detaching from the self-locking hook, thereby increasing the safety of the self-locking hook during use.

According to another specific embodiment of the present invention, in the self-locking hook disclosed in the embodiment of the present invention, the limiting portion extends vertically upward from the end of the second portion in a direction away from the second portion, and the limiting portion is connected to the first portion. The two parts are perpendicular to each other.

By adopting the above-mentioned solution, the limiting portion has a good limiting function, and further increases the safety of using the self-locking hook.

According to another specific embodiment of the present invention, the self-locking hook disclosed by the embodiment of the present invention has an inverted L-shaped structure. part, the vertical part and the first part of the hook body are relatively spaced apart, the horizontal part and the second part of the hook body are relatively spaced apart, and the end of the horizontal part away from the vertical part is used as one end of the lock tongue, and the vertical part is far away from the horizontal part. One end of the part serves as the other end of the latch.

With the above solution, the locking tongue of the inverted L-shaped structure can be better matched with the hook body, and the vertical part and the horizontal part and the hook body form enough accommodating space to facilitate the hoisting of objects.

According to another specific embodiment of the present invention, in the self-locking hook disclosed by the embodiment of the present invention, one end of the locking tongue is provided with a through hole, and is sleeved on the first part of the hook body through the through hole.

With the above solution, a through hole is provided at one end of the lock tongue, so that the lock tongue is sleeved on the first part of the hook body through the through hole. The through hole here has a simple structure, is easy to set, and is easy to set.

According to another specific embodiment of the present invention, in the self-locking hook disclosed in the embodiment of the present invention, the cross-sectional shape of the hook body is square.

With the above solution, the cross-sectional shape of the hook body is set to be square, which facilitates the fixing of the locking tongue on the hook body.

According to another specific embodiment of the present invention, in the self-locking hook disclosed in the embodiment of the present invention, when the lock tongue moves to the second position relative to the hook body, the other end of the lock tongue abuts against the second part of the hook body on the side wall near the end.

With the above solution, a larger accommodating space can be formed, which facilitates the hoisting of objects.

The embodiment of the present invention also discloses a transport mechanism, which includes the above-mentioned self-locking hook.

The beneficial effects of the present utility model are:

In the self-locking hook provided by the utility model, one end of the lock tongue is slidably connected with the first part of the hook body. When an object needs to be hoisted, it is only necessary to apply an external force to the lock tongue, and then the lock tongue and the hook body can be formed between the lock tongue and the hook body. A gap for the object to be hung to pass through, so that the object to be hung is hung on the hook body; after that, only the external force needs to be withdrawn, and the lock tongue can be in contact with the hook body under the action of gravity; it needs to be removed from the hook body. When the object is to be hung down, it is only necessary to apply an external force to the lock tongue and lift the lock tongue to remove the object. As a result, in the process of frequently handling objects during vehicle assembly, the spring structure of the self-locking hook will not be damaged due to excessive use time, and when removing the object hanging on the hook body, the staff does not need to exert force. Pushing open the spring lock tongue, the lock tongue can be lifted with only one hand, and the object can be quickly taken out, which effectively saves labor and improves assembly efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a self-locking hook in an embodiment of the present invention.

Description of reference numbers:

100: hook body; 101: first part; 102: second part; 103: limit part;

200: Lock tongue; 201: One end; 202: The other end; 203: Through hole;

H: Length direction.

Detailed ways

The embodiments of the present invention are described below by specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be presented in conjunction with the preferred embodiment, this does not mean that the features of the present invention are limited to this embodiment. On the contrary, the purpose of introducing the utility model in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present utility model. The following description will contain numerous specific details in order to provide an in-depth understanding of the present invention. The invention can also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invention. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

It should be noted that in this specification, like numerals and letters refer to like items in the following figures, so that once an item is defined in one figure, it need not be used in subsequent figures. for further definitions and explanations.

In the description of this embodiment, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inside", "bottom", etc. are based on the orientations or positional relationships shown in the drawings, or are The orientation or positional relationship that the product of the utility model is usually placed in use is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

The terms "first", "second", etc. are only used to differentiate the description and should not be construed to indicate or imply relative importance.

In the description of this embodiment, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a Removable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood in specific situations.

In order to make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

In order to solve the problem that the elastic force of the spring is lost after a period of use of the self-locking hook in the prior art, the self-locking hook loses its self-locking function, causing the hanging object to fall, causing object damage and safety problems. Moreover, during the use of the self-locking hook, it is necessary to overcome the elastic force of the spring to push the lock tongue, so the staff needs to push the lock tongue forcefully, and if it is operated frequently for a long time, it will cause the problem of fatigue. The utility model provides a self-locking hook, which can quickly hoist and take out objects, effectively saves labor, and improves assembly efficiency.

Next, referring to FIG. 1 , the self-locking hook provided by the present invention will be introduced in detail.

The self-locking hook disclosed in the embodiment of the present invention includes a hook body 100 and a locking tongue 200; Installed on the external member, the second part 102 is used for hoisting the object to be hung.

Specifically, the external component is a mechanism for installing a self-locking hook, which may be a suspension frame on a transport mechanism, or the like.

The length direction of the hook body 100 is the vertical direction of the hook body 100 shown in FIG. 1 , that is, the direction indicated by H.

Further, the first part 101 and the second part 102 of the hook body 100 may be integrally formed, welded or screwed, which is not specifically limited in this embodiment.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, the hook body 100 has an L-shaped structure, and the vertical section of the L-shaped structure is H shown in FIG. 1 . The direction is used as the first part 101 of the hook body 100, the horizontal section of the L-shaped structure is used as the second part 102 of the hook body 100, and the end of the second part 102 away from the first part 101 is provided with a limit for the object to be hung from the second part 102. the limiting part 103.

Specifically, the extending direction of the vertical section of the L-shaped structure is parallel to the length direction of the hook body 100 .

Further, the function of the hook body 100 is to hoist the object. In addition to the L-shaped structure disclosed in the present invention, the place where the first part 101 and the second part 102 are connected can also be set in an arc shape, which is convenient for transition; The first part 101 is vertical, and the second part 102 is a curved hook, which is convenient for hoisting objects.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, the limiting portion 103 is vertical from the end of the second portion 102 to the direction away from the second portion 102 . extending upward, and the limiting portion 103 and the second portion 102 are perpendicular to each other.

Specifically, the direction away from the second portion 102 is the upward direction of the second portion 102 as shown in FIG. 1 .

In order to prevent the object hoisted on the hook body 100 from falling off due to shaking during transportation, a limiting portion 103 is provided on the second part 102 of the hook body 100 . The second portion 102 is perpendicular to each other, and can also be configured to have a certain angle with the second portion 102 , or can be configured to form an arc with the second portion 102 , which is not specifically limited in this embodiment.

One end 201 of the locking tongue 200 is slidably connected with the first part 101 of the hook body 100 , so that the locking tongue 200 can slide relative to the hook body 100 along the length direction of the first part 101 and can switch between the first position and the second position ;and,

When the lock tongue 200 slides to the first position relative to the hook body 100 , the other end 202 of the lock tongue 200 abuts against the second part 102 of the hook body 100 , and the lock tongue 200 and the hook body 100 are surrounded by a space that can be used for waiting. The accommodating space for hanging objects;

When the lock tongue 200 slides to the second position relative to the hook body 100, there is a gap between the other end 202 of the lock tongue 200 and the second part 102 of the hook body 100, and the gap allows the object to be hung to pass through and enter the accommodating space , so as to be hoisted on the second part 102 of the hook body 100;

Wherein, when the lock tongue 200 is subjected to an external force, the lock tongue 200 can slide relative to the hook body 100 from the first position to the second position, and when the external force is withdrawn, the lock tongue 200 can be relative to the hook body under the action of gravity. The body 100 slides from the second position to the first position.

Specifically, when the locking tongue 200 is in the first position, the self-locking hook is in a locked state, and at this time, the hoisting object is hoisted in the accommodating space and can move with the movement of the self-locking hook. As shown in Figure 1, the accommodation space is an area within a rectangular frame. When the locking tongue 200 is in the second position, the object to be lifted can pass through the gap formed between the other end 202 of the locking tongue 200 and the second part 102 of the hook body 100 and be lifted on the hook body 100 . When the lifting object needs to be removed, a gap also needs to be formed between the other end 202 of the locking tongue 200 and the second part 102 of the hook body 100 so that the lifting object can be removed. It should be noted that the second position here is not a fixed position, but when the locking tongue 200 is lifted by an external force and slides upward relative to the first part 101 of the hook body 100 in the length direction of the hook body 100 shown in FIG. 1 , as long as it is slid until the gap formed with the hook body 100 can pass through the object that needs to be hoisted. Depending on the object to be hoisted, the position of the second position relative to the length direction of the hook body 100 is also different, which is not specifically limited in this embodiment.

With the above solution, one end of the latch bolt 200 of the self-locking hook is slidably connected to the first part 101 of the hook body 100. When an object needs to be hoisted, it is only necessary to apply an external force to the latch bolt 200 to connect the latch bolt 200 and the hook body. A gap is formed between 100 for the object to be hung to pass through, so that the object to be hung is hung on the hook body 100; after that, only the external force needs to be withdrawn, and the lock tongue 200 can be in contact with the hook body 100 under the action of gravity When it is necessary to remove the object to be hung from the hook body 100, it is only necessary to apply an external force to the lock tongue 200 and lift the lock tongue 200 to remove the object. As a result, in the process of frequently handling objects during vehicle assembly, the spring structure of the self-locking hook will not be damaged due to excessive use time, and when removing the object hanging on the hook body, the staff does not need to exert force. By pushing the spring lock tongue, the lock tongue 200 can be lifted with only one hand, and objects can be quickly taken out, which effectively saves labor and improves assembly efficiency.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, the lock tongue 200 is in an inverted L-shaped structure, and the inverted L-shaped structure includes a sequence along the length direction of the lock tongue 200 . The vertical part and the horizontal part are connected, the vertical part and the first part 101 of the hook body 100 are relatively spaced apart, the horizontal part and the second part 102 of the hook body 100 are relatively spaced apart, and the end of the horizontal part away from the vertical part is used as One end 201 of the lock tongue 200 and one end of the vertical part away from the horizontal part serve as the other end 202 of the lock tongue 200 .

It should be noted that the lock tongue 200 can be an inverted L-shaped structure, or other shapes that can cooperate with the hook body 100 and can slide relative to the hook body 100 to form an accommodating space. The transition section between the vertical parts and the horizontal parts that are connected in sequence in the longitudinal direction is set in a circular arc shape, which is not specifically limited in this embodiment.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, one end 201 of the locking tongue 200 is provided with a through hole 203 , and is sleeved on the hook body 100 through the through hole 203 The first part of 101.

Specifically, in order to make the locking tongue 200 sleeve on the hook body 100 and be relatively stable relative to the hook body 100 during the sliding process, the through hole 203 can be set to a shape matching the cross section of the first part 101 of the hook body 100; A sliding groove can also be provided on the first part 101 of the hook body 100, so that one end 201 of the locking tongue 200 is embedded in the sliding groove, and slides up and down relative to the first part 101 of the hook body 100 in the sliding groove, which is not done in this embodiment. specific restrictions.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, the cross-sectional shape of the hook body 100 is square.

It should be noted that the cross-section of the hook body 100 is set to be square, and the corresponding through holes 203 on the lock tongue 200 are also set as square through holes that match the cross-section of the hook body 100 in the direction. During the sliding process of the hook body 100 relative to the hook body 100, the four corners of the hook body 100 with a square cross-section simultaneously limit the locking tongue 200, so that the locking tongue 200 cannot rotate relative to the hook body 100, and has better performance. ground stability. In addition, the cross section of the hook body 100 can also be set to be circular, and the corresponding through hole 203 of the locking tongue 200 can be set to be a circular through hole matching the circular cross section of the hook body 100, so that the locking tongue 200 In the process of sliding relative to the hook body 100 , it may also rotate relative to the hook body 100 . In order to ensure that the lock tongue 200 can be fixed relative to the hook body 100 after the hoisting object is hoisted, a structure for fixing the other end 202 of the lock tongue 200 can be provided on the limit part 103 on the hook body 100 , which can be located in the limit part. 103 is provided with a groove, and the other end 202 of the lock tongue 200 is put into the groove to be fixed, or the end of the other end 202 of the lock tongue 200 When the two parts 102 are in contact, the second part 102 is inserted into the groove structure of the other end 202 of the locking tongue 200 . Those skilled in the art can set according to specific needs, which are not specifically limited in this embodiment.

According to another specific embodiment of the present invention, as shown in FIG. 1 , in the self-locking hook disclosed in the embodiment of the present invention, when the lock tongue 200 moves to the second position relative to the hook body 100 , the other end of the lock tongue 200 202 abuts on the side wall of the second part 102 of the hook body 100 near the end.

Specifically, the side wall of the second part 102 near the end is the upper side wall of the right end of the horizontal section of the L-shaped structure in FIG.

The utility model also discloses a transport mechanism, which is provided with the self-locking hook as described in the above embodiments, which is convenient for the transport mechanism to hoist, transport and take the objects in the process of running the objects.

Although the present invention has been illustrated and described by referring to some preferred embodiments of the present invention, those of ordinary skill in the art should understand that the above content is a further detailed description of the present invention in conjunction with specific embodiments. , it cannot be considered that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art can make various changes in form and details, including making some simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims (8)

1. A self-locking hook, comprising a hook body and a locking tongue; characterized in that, the hook body comprises a first part and a second part connected in sequence along the length direction of the hook body, and the first part is used for installation on the external member, the second part is used for hoisting the object to be hung; One end of the locking tongue is slidably connected with the first part of the hook body, so that the locking tongue can slide relative to the hook body along the length direction of the first part, and can be in the first position and the second position switch between; and, When the lock tongue slides relative to the hook body to the first position, the other end of the lock tongue abuts on the second part of the hook body, and the lock tongue and the A accommodating space capable of hoisting the object to be hung is formed around the hook body; When the lock tongue slides to the second position relative to the hook body, there is a gap between the other end of the lock tongue and the second part of the hook body, and the gap is for the object to be hung. passing through and entering the accommodating space to be hoisted on the second part of the hook body; Wherein, when the lock tongue is subjected to an external force, the lock tongue can slide relative to the hook body from the first position to the second position, and when the external force is withdrawn, the lock tongue can slide The locking tongue can slide relative to the hook body from the second position to the first position under the action of gravity. 2 . The self-locking hook according to claim 1 , wherein the hook body is in an L-shaped structure, and the vertical section of the L-shaped structure serves as the first part of the hook body, and the L-shaped The horizontal section of the structure is used as the second part of the hook body, and the end of the second part away from the first part is provided with a limiting part for restricting the object to be hung away from the second part. 3 . The self-locking hook according to claim 2 , wherein the limiting portion extends vertically upward from the end of the second portion in a direction away from the second portion, and the limiting portion 3 . The portion is perpendicular to the second portion. 4 . The self-locking hook of claim 2 , wherein the locking tongue is in an inverted L-shaped structure, and the inverted L-shaped structure comprises vertical parts and a horizontal part, the vertical part is spaced apart from the first part of the hook body, the horizontal part is spaced apart from the second part of the hook body, and the horizontal part is far away from the vertical part One end of the straight portion serves as the one end of the lock tongue, and one end of the vertical portion away from the horizontal portion serves as the other end of the lock tongue. 5 . The self-locking hook according to claim 1 , wherein the one end of the locking tongue is provided with a through hole, and is sleeved on the first part of the hook body through the through hole. 6 . 6 . The self-locking hook of claim 1 , wherein the cross-sectional shape of the hook body is square. 7 . 7. The self-locking hook according to any one of claims 1 to 6, wherein when the lock tongue moves to the second position relative to the hook body, the other side of the lock tongue moves to the second position. One end abuts on the side wall of the second part of the hook body close to the end. 8. A transport mechanism, characterized by comprising the self-locking hook according to any one of claims 1-7.

Images