CN220599513U - Self-locking structure of bin gate - Google Patents

Abstract

The utility model discloses a bin gate self-locking structure, which comprises: the bin door is connected to the bin body, the bin door is provided with a hook structure A and a protruding structure, the hook is connected to the bin body in a hinged mode, the hook is provided with a hook groove A for hooking the hook structure A, the plectrum is coaxially hinged to the bin body and the tongue hook, the periphery of the plectrum is provided with a locking groove, the plectrum is further provided with a limiting groove for inserting the protruding structure, the elastic piece is arranged between the hook and the bin body, the elastic piece is used for applying external force for the hook to rotate towards the hook structure A, the limiting plate is fixedly connected with the hook, the periphery of the limiting plate is convexly provided with a clamping part, and the clamping part is used for being inserted into the locking groove, so that the limiting plate and the plectrum are kept relatively static. The bin door can be kept in an open state by forming a self-locking structure through the coupler knuckle and the lock hook, and the bin door can be closed by unlocking the coupler knuckle and the lock hook through mutual locking of the poking piece and the limiting plate.

Description

Self-locking structure of bin gate

Technical Field

The utility model relates to the technical field of locks, in particular to a bin gate self-locking structure.

Background

At present, the bin gate (door opening in the vertical direction) of the arc-shaped equipment is opened by adopting a gas spring in an auxiliary way, namely, two sides of the bin gate are respectively provided with a gas spring, the bin gate is pulled manually, the bin gate is opened by the gas spring in an auxiliary way, then the bin gate is closed by pressing down the bin gate, but the bin gate is controlled to be opened and closed by adopting the gas spring, so that the following problems exist:

(1) The gas spring has the service life requirement, is relatively inconvenient to replace and maintain, and has higher maintenance cost;

(2) The gas springs at the two sides of the bin gate cannot ensure synchronism, so that one of the gas springs is stressed intensively, the service life of the gas spring is greatly shortened, the risk that the gas spring fails in the use process exists, and the reliability cannot be ensured;

(3) The gas spring has a requirement on the installation space, if the equipment is compact, and the installation positions are reserved on the two sides of the bin gate without enough space, the width of the bin gate can only be sacrificed or other alternatives are considered;

(4) The gas spring has high requirements on the environment, and when the environment is severe, the gas spring needs to be prevented from being opened for a long time, so that foreign matters are prevented from adhering to the piston rod.

Disclosure of Invention

The embodiment of the application can not occupy the space on two sides of the bin gate by providing the bin gate self-locking structure, and realizes the normal opening and closing functions of the bin gate, thereby being safe, reliable, economical and practical and wide in application range.

The embodiment of the application provides a door auto-lock structure, include:

the bin door is connected with the bin tongue, one side of the bin tongue, which is away from the bin door, is provided with a hook structure A, and the surface of the bin tongue is provided with a protruding structure;

the latch hook is hinged to the bin body and is provided with a hook groove A for hooking the hook structure A;

the poking piece is hinged to the bin body by taking the rotation center A as a rotation center, a locking groove is formed in the periphery of the poking piece, a limiting groove is formed in the surface of the poking piece, the protruding structure is inserted into the limiting groove, and the protruding structure is used for limiting the limiting angle of the poking piece relative to the rotation of the coupler knuckle;

the elastic piece is arranged between the lock hook and the bin body and is used for applying external force to the lock hook to rotate towards the direction of the hook structure A;

the limiting plate is fixedly connected with the lock hook, a clamping part is convexly arranged on the periphery of the limiting plate and is used for being inserted into the locking groove, so that the limiting plate and the poking piece are kept relatively static.

The beneficial effects of the above embodiment are that: the self-locking structure is formed by the coupler knuckle and the lock hook, so that the opening state of the bin door can be maintained, the coupler knuckle and the lock hook can be unlocked by mutually locking the poking piece and the limiting plate, the function of closing the bin door is realized, and the bin door is prevented from being opened or closed by using a gas spring.

On the basis of the above embodiment, the embodiment of the present application may further be modified as follows:

in one of the embodiments of the present application: the end part of the lock hook extends towards the hook structure A to form a hook structure B, the hook structure B and the side face of the hook tongue form a hook groove A, the side face of the lock hook towards the hook structure B is provided with a positioning surface A, and the positioning surface A is used for being contacted with the hook structure A in the upward rotation process of the hook structure A.

In one of the embodiments of the present application: a hook groove B is formed between the hook structure A and the periphery of the coupler knuckle, and the hook structure B is used for being connected with the hook groove B in a hooking mode.

In one of the embodiments of the present application: a positioning surface B is arranged on the periphery of the shifting piece facing the clamping part, and the positioning surface B faces the lock hook and is adjacent to the locking groove; when the coupler knuckle and the lock hook are locked, the positioning surface B is used for preventing the clamping part from entering the locking groove; when the coupler knuckle and the lock hook are unlocked, the positioning surface B is used for guiding the clamping part to enter the locking groove. The beneficial effects of this step are: by providing the positioning surface B, stability of locking and unlocking operations can be ensured.

In one of the embodiments of the present application: when the clamping part is inserted into the locking groove, the farthest distance from the periphery of the hook structure A to the rotation center A is a, and the nearest distance from the periphery of the hook structure B to the rotation center A is B, wherein B is more than or equal to a. The beneficial effects of this step are: the hook structure a can be prevented from interfering with the hook structure B during the revolution.

In one of the embodiments of the present application: when the clamping part is inserted into the locking groove until the hook structure A is completely separated from the hook groove A, the protruding structure is not contacted with the two ends of the limiting groove.

In one of the embodiments of the present application: further comprises: and the limiting shaft is connected to the surface of the plectrum, and the limiting shaft forms the protruding structure.

In one of the embodiments of the present application: further comprises: the wear-resisting piece is arranged between the coupler knuckle and the poking piece and is hinged to the bin body by taking the rotation center A as a rotation center.

In one of the embodiments of the present application: the elastic piece is a torsion spring, the side face of the lock hook is provided with a groove corresponding to the torsion spring, and the torsion spring is inserted into the groove and is coaxially hinged with the lock hook in the bin body.

In one of the embodiments of the present application: further comprises: the seat body assembly is connected to the bin body, and the coupler knuckle, the lock hook, the poking piece and the elastic piece are all hinged to the seat body assembly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic three-dimensional structure of a door self-locking structure;

FIG. 2 is a schematic diagram of a two-dimensional structure of a door self-locking structure;

FIG. 3 is a schematic view of a self-locking mechanism when the door is closed;

FIG. 4 is a schematic view of a self-locking mechanism during door opening;

FIG. 5 is a schematic view of the self-locking mechanism with the bin gate open to a locked condition;

FIG. 6 is a schematic view of the structure of the bin gate opening;

FIG. 7 is a schematic illustration I of a self-locking mechanism during door unlocking;

FIG. 8 is a second schematic view of a self-locking mechanism during door unlocking;

fig. 9 is a schematic view of the structure of the bin gate when closed.

Wherein, 1 knuckle, 101 hook structure A,102 hook groove B;

2 lock hooks, 201 hook grooves A,202 hook structures B,203 positioning surfaces A,204 grooves;

3, a poking piece, a 301 locking groove, a 302 limiting groove and a 303 positioning surface B;

4, an elastic piece;

5 limiting plates, 501 clamping parts;

6, a bin body;

7 bin gates;

8, a convex structure;

9 seat body components, 901 side plates, 902 shaft body A and 903 shaft body B;

10 wear pad.

Detailed Description

In this application, unless explicitly stated and limited otherwise, terms such as mounting, connecting, securing, affixing, etc., should be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; the connection can be mechanical connection, and the mechanical connection mode can be selected from proper connection modes in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or may be electrically connected to transmit energy or signals via electricity; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 and 2, a self-locking structure of a bin gate includes: the device comprises a coupler knuckle 1, a lock hook 2, a pulling piece 3, an elastic piece 4 and a limiting plate 5, wherein the coupler knuckle 1 is hinged to a bin body 6, the rotation center of the coupler knuckle 1 is set to be a rotation center A, a bin door 7 is connected to the coupler knuckle 1, a hook structure A101 is arranged on one side, away from the bin door 7, of the coupler knuckle 1, a protruding structure 8 is arranged on the surface of the coupler knuckle 1, the lock hook 2 is hinged to the bin body 6, the lock hook 2 is provided with a hook groove A201 for hooking the hook structure A101, the pulling piece 3 is hinged to the bin body 6 by taking the rotation center A as the rotation center, a locking groove 301 is formed in the periphery of the pulling piece 3, a limiting groove 302 is formed in the surface of the pulling piece 3, a protruding structure 8 is inserted into the limiting groove 302, the protruding structure 8 is used for limiting the rotation of the pulling piece 3 relative to the coupler knuckle 1, the elastic piece 4 is arranged between the lock hook 2 and the bin body 6, the elastic piece 4 is used for applying an external force which rotates towards the direction of the hook structure A101, the limiting plate 5 is fixedly connected with the lock hook 2, a clamping part 501 is convexly arranged on the periphery of the limiting plate 5, the limiting plate 501 is used for being inserted into the locking groove 301, and is used for keeping the pulling piece 5 from contacting the bin 2 from the bin 1, and the hook 2 from being kept stationary, and the hook 2, and the pulling piece 2 is kept out of contact with the hook 2 from the bin 1.

As shown in fig. 1, in particular, the self-locking structure of the bin gate further includes: the seat body assembly 9, the seat body assembly 9 is connected to the upper end of the bin body 6, and the coupler knuckle 1, the latch hook 2, the poking piece 3 and the elastic piece 4 are all hinged to the seat body assembly 9.

As shown in fig. 1, specifically, the seat assembly 9 includes: the side plates 901, the shaft body A902 and the shaft body B903 are arranged at intervals in the transverse direction, the side plates 901 are vertically connected to the surface of the bin body 6, the shaft body A902 and the shaft body B903 are transversely connected to the two side plates 901, the shaft body B903 is located obliquely above the outer wall of the bin body 6 relative to the shaft body A902, the coupler knuckle 1A is arranged between the two side plates 901 and is hinged to the shaft body A902, the lock hook 2 is arranged between the two side plates 901 and is hinged to the shaft body B903, the rotation center A is the axis of the shaft body A902, namely the coupler knuckle 1 rotates around the shaft body A902, the rotation center of the lock hook 2 is set to be the rotation center B, and the rotation center B is the axis of the shaft body B903.

As shown in fig. 1, specifically, the shaft body a902 and the shaft body B903 are bolts, and the threaded ends of the shaft body a902 and the shaft body B903 are inserted into through holes correspondingly formed in the side plates 901 and are fixedly connected with the side plates 901 through locknuts and gaskets.

As shown in fig. 2, specifically, the limiting groove 302 is an arc groove with the rotation center a as an axis, and contacts with groove walls at two side ends of the limiting groove 302 through the protruding structure 8, so as to drive the pulling piece 3 and the knuckle 1 to rotate synchronously.

As shown in fig. 2, a hook structure B202 extends from the end of the hook 2 toward the hook structure a101, a hook groove a201 is formed between the hook structure B202 and the side surface of the hook tongue 1, a positioning surface a203 is configured on the side surface of the hook tongue 1, which faces the hook structure B202, and the positioning surface a203 is used for contacting with the hook structure a101 during the upward rotation of the hook structure a101, so that the hook structure a101 pushes the hook 2 to rotate upward.

As shown in fig. 2, a hook groove B102 is formed between the hook structure a101 and the outer periphery of the knuckle 1, the hook structure B202 is used for hooking connection with the hook groove B102, and when the hook structure a101 is hooked in the hook groove a201, the hook structure B202 is also hooked in the hook groove B102, thereby positioning the bin door 7 in the open state.

As shown in fig. 2, the pulling piece 3 is configured with a positioning surface B303 towards the outer periphery of the locking portion 501, the positioning surface B303 is disposed towards the latch hook 2 and adjacent to the locking groove 301, when the latch 1 and the latch hook 2 are locked, the positioning surface B303 is used for preventing the locking portion 501 from entering the locking groove 301, and when the latch 1 and the latch hook 2 are unlocked, the positioning surface B303 is used for guiding the locking portion 501 to enter the locking groove 301.

As shown in fig. 2, specifically, the positioning surface a203 is a neck portion of the hook structure B202, the outer periphery of the hook structure B202 faces the surface of the locking portion 501, the positioning surface B303 is a surface of the pulling plate 3, the outer periphery of the hook structure B303 is adjacent to the locking groove, when the latch 1 and the latch 2 perform the unlocking action, the outer periphery of the hook structure a101 first contacts the positioning surface a203, the latch 2 is driven to rotate upwards against the elastic force of the elastic member 4 until the locking portion 501 contacts the positioning surface B303, the positioning surface B303 applies a pushing force to the locking portion 501, the hook structure a101 is separated from the positioning surface B303, the pulling plate 3 drives the latch 2 to rotate upwards continuously, and at this time, the hook structure a101 is gradually separated from the hook groove a 201.

When the clamping part 501 is inserted into the locking groove 301, the furthest distance from the periphery of the hook structure A101 to the rotation center A is a, the closest distance from the periphery of the hook structure B202 to the rotation center A is B, and B is larger than or equal to a, by the structural characteristics, after the poking piece 3 and the limiting plate 5 are mutually locked with the locking groove 301 through the clamping part 501, the hook structure A101 completely moves out of the hook groove A201, and when the hook structure A101 rotates towards the outer side below the hook structure B202, the hook structure B202 does not interfere the movement of the hook structure A101, so that the stability of unlocking action is ensured.

When the clamping part 501 is inserted into the locking groove 301 until the hook structure a101 is completely separated from the hook groove a201, the protruding structure 8 is not contacted with two ends of the limiting groove 302, so that the pulling piece 3 cannot rotate along with the hook tongue 1, and the pulling piece 3 locks the latch hook 2 at a height position where the hook structure a101 cannot be contacted.

As shown in fig. 1, the self-locking structure of the bin gate further comprises: the limiting shaft is connected to the surface of the poking piece 3 and forms a protruding structure 8.

As shown in fig. 1, the self-locking structure of the bin gate further comprises: wear pad 10. Wear pad 10 sets up between knuckle 1 and plectrum 3 to regard rotation center A as the articulated in storehouse body 6 of center of rotation.

As shown in fig. 1, specifically, the wear-resisting plate 10 is sleeved on the shaft body a902, the wear-resisting plate 10 is clamped by the knuckle 3 and the knuckle 1, the wear of the knuckle 1 and the knuckle 3 is reduced by the wear-resisting plate 10, the wear-resisting plate 10 is provided with a circular arc groove corresponding to the protruding structure 8, and the protruding structure 8 penetrates through the circular arc groove of the wear-resisting plate 10 and is inserted into the limiting groove 302.

As shown in fig. 2, the elastic member 4 is a torsion spring, a groove 204 is formed on the side surface of the latch hook 2 corresponding to the torsion spring, and the torsion spring is inserted into the groove 204 and is hinged to the bin body 6 coaxially with the latch hook 2.

As shown in fig. 1, specifically, the annular structure in the middle of the torsion spring is sleeved on the shaft body B903, the strip-shaped edge extending from one side of the torsion spring and the annular structure are jointly inserted into the groove 204, the strip-shaped edge extending from the other side of the torsion spring is located outside the groove 204, a positioning rod is further connected between the two side plates 901, the positioning rod is located below the strip-shaped edge of the torsion spring located outside the groove 204, and the positioning rod applies supporting force to the strip-shaped edge on the side.

The opening process of the bin gate 7 is as follows: as shown in fig. 3, the bin gate 7 is pushed upwards, the coupler knuckle 1 rotates around the shaft body a902, when the coupler knuckle 1 hits the latch hook 2, the bin gate 7 is pushed upwards continuously, the coupler knuckle 1 pushes the latch hook 2 to rotate clockwise around the shaft body B903, when the position relationship between the coupler knuckle 1 and the latch hook 2 is shown in fig. 4, the bin gate 7 only needs to be pushed upwards slightly, the latch hook 2 rotates anticlockwise under the action of the elastic force of the elastic piece 4, the collision sound between the neck of the latch hook 2 and the coupler knuckle 1 is heard, at this time, the bin gate 7 is put down, the coupler knuckle 1 is locked by the latch hook 2 as shown in fig. 5, and the bin gate 7 is kept in an open state as shown in fig. 6.

The closing process of the bin gate 7 is as follows: as shown in fig. 5, the bin gate 7 is pushed up continuously, the hook structure a101 is pushed up to the positioning surface a203, the latch hook 2 is rotated clockwise around the shaft body B903, the hook structure a101 is gradually separated from the groove a, when the protruding structure 8 slides up to the limit position in the limit groove 302, the pulling piece 3 rotates clockwise along with the bin gate 7, then the pulling piece 3 drives the latch hook 2 to rotate upwards continuously through the positioning surface B303 until the clamping part 501 moves to the position of the locking groove 301 along the positioning surface B303, the limiting plate 5 rotates anticlockwise under the elastic force of the elastic piece 4, the clamping part 501 is inserted into the locking groove 301 as shown in fig. 7, the limiting plate 5 and the pulling piece 3 are locked with each other, at this time, even if the bin gate 7 is pushed up continuously, the pulling piece 3 continues to push the limiting plate 5 to rotate clockwise as shown in fig. 8, the bin gate 7 is stopped, when the limiting plate 5 is locked with the pulling plate 3 again under the action of gravity, the latch hook 2 keeps a relatively static state, the bin door 7 continuously falls, the latch hook 1 rotates anticlockwise around the shaft body A902, the protruding structure 8 slides anticlockwise in the limiting groove 302, in the process, the pulling plate 3 is meshed with the limiting plate 5 under the action of the elastic force of the elastic piece 4 to keep static, when the protruding structure 8 rotates to the lower limit position of the limiting groove 302, the pulling plate 3 starts to rotate under the driving of the protruding structure 8, the latch hook 1 and the latch hook 2 are unlocked and mutually staggered in space position, the latch hook 2 rotates anticlockwise around the shaft body A902 under the action of the elastic force of the elastic piece 4, the clamping part 501 is completely separated from the locking groove 301, and the bin door 7 is closed as shown in fig. 9.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (10)

1. The utility model provides a door auto-lock structure which characterized in that includes:

the bin door is connected with the bin tongue, one side of the bin tongue, which is away from the bin door, is provided with a hook structure A, and the surface of the bin tongue is provided with a protruding structure;

the latch hook is hinged to the bin body and is provided with a hook groove A for hooking the hook structure A;

the poking piece is hinged to the bin body by taking the rotation center A as a rotation center, a locking groove is formed in the periphery of the poking piece, a limiting groove is formed in the surface of the poking piece, the protruding structure is inserted into the limiting groove, and the protruding structure is used for limiting the limiting angle of the poking piece relative to the rotation of the coupler knuckle;

the elastic piece is arranged between the lock hook and the bin body and is used for applying external force to the lock hook to rotate towards the direction of the hook structure A;

the limiting plate is fixedly connected with the lock hook, a clamping part is convexly arranged on the periphery of the limiting plate and is used for being inserted into the locking groove, so that the limiting plate and the poking piece are kept relatively static.

2. The bin door self-locking structure according to claim 1, wherein a hook structure B protrudes from an end of the lock hook toward the hook structure a, the hook structure B and a side surface of the hook tongue form the hook groove a, and a side surface of the lock hook toward the hook structure B is configured with a positioning surface a for contacting with the hook structure a during an upward rotation of the hook structure a.

3. The door self-locking structure according to claim 2, wherein a hook groove B is formed between the hook structure a and the periphery of the knuckle, and the hook structure B is used for hooking connection with the hook groove B.

4. The door self-locking structure according to claim 1, wherein a positioning surface B is disposed toward the outer periphery of the clamping portion, the positioning surface B being disposed toward the lock hook and adjacent to the lock groove;

when the coupler knuckle and the lock hook are locked, the positioning surface B is used for preventing the clamping part from entering the locking groove;

when the coupler knuckle and the lock hook are unlocked, the positioning surface B is used for guiding the clamping part to enter the locking groove.

5. The door self-locking structure according to claim 1, wherein when the clamping portion is inserted into the locking groove, a furthest distance from the outer periphery of the hook structure a to the rotation center a is a, and a closest distance from the outer periphery of the hook structure B to the rotation center a is B, wherein B is equal to or greater than a.

6. The door self-locking structure according to claim 1, wherein the protrusion structure is not in contact with both ends of the limit groove when the catching portion is inserted into the locking groove until the hooking structure a is completely separated from the hooking groove a.

7. The door self-locking structure of claim 1, further comprising:

and the limiting shaft is connected to the surface of the plectrum, and the limiting shaft forms the protruding structure.

8. The door self-locking structure of claim 1, further comprising:

the wear-resisting piece is arranged between the coupler knuckle and the poking piece and is hinged to the bin body by taking the rotation center A as a rotation center.

9. The door self-locking structure according to claim 1, wherein the elastic member is a torsion spring, the side surface of the latch hook is provided with a groove corresponding to the torsion spring, and the torsion spring is inserted into the groove and is coaxially hinged to the bin body with the latch hook.

10. The door self-locking structure of claim 1, further comprising:

the seat body assembly is connected to the bin body, and the coupler knuckle, the lock hook, the poking piece and the elastic piece are all hinged to the seat body assembly.