CN114229225A

CN114229225A - Self-locking device of barrel cover

Info

Publication number: CN114229225A
Application number: CN202111597420.9A
Authority: CN
Inventors: 沈宏明; 杨金祥; 胡志伟; 王阳阳; 牛一村; 姚玉维; 周文嘉; 闫柏树; 赵若冰
Original assignee: CCTEG China Coal Research Institute
Current assignee: Meike Beijing Testing Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-03-25
Anticipated expiration: 2041-12-24
Also published as: CN114229225B

Abstract

The invention discloses a barrel cover self-locking device which comprises a barrel cover, a barrel body and a locking device, wherein the barrel cover is matched at an opening at the upper end of the barrel body, the locking device is arranged on the barrel cover or the barrel body, the locking device comprises a magnetic driving mechanism and a clamping piece, the magnetic driving mechanism is connected with the clamping piece so that the clamping piece can be provided with a first position and a second position, when the clamping piece is located at the first position, the barrel cover and the barrel body are locked by the clamping piece, and when the clamping piece is located at the second position, the clamping piece releases the locking of the barrel cover and the barrel body. The barrel cover self-locking device provided by the invention has the advantages of small barrel cover thickness and small occupied space inside the barrel cover.

Description

Self-locking device of barrel cover

Technical Field

The invention relates to the technical field of sample barrels, in particular to a barrel cover self-locking device.

Background

Bulk materials such as coal, iron ore and the like need to be priced according to the mass in the bulk transaction process, mechanical sampling needs to be carried out in a belt transportation link in order to master the mass of a large amount of bulk materials, and the overall mass in the bulk transaction is replaced by the mass of samples at specific intervals.

At present, when bulk material samples are collected in a mechanical sample collection and preparation link, a sample barrel is used for more times, and in order to prevent the samples from being polluted and artificially adulterated, exchanged or lost, a barrel cover and a barrel body are required to have a locking function.

Disclosure of Invention

The present invention is based on the discovery and recognition by the inventors of the following facts and problems:

the present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides a barrel cover self-locking device which has the advantages of small barrel cover thickness and small occupied space inside the barrel cover.

According to the bung self-locking device provided by the embodiment of the invention, the bung self-locking device comprises a bung, a barrel body and a locking device, the bung is matched at an opening at the upper end of the barrel body, the locking device is arranged on the bung or the barrel body, the locking device comprises a magnetic driving mechanism and a clamping piece, the magnetic driving mechanism is connected with the clamping piece so that the clamping piece can have a first position and a second position, when the clamping piece is located at the first position, the bung and the barrel body are locked by the clamping piece, and when the clamping piece is located at the second position, the clamping piece releases the locking of the bung and the barrel body.

The barrel cover self-locking device provided by the embodiment of the invention has the advantages and the technical effects brought by the independent claims. The barrel cover self-locking device is provided, self-locking is achieved through elastic parts inside the self-locking mechanism, and unlocking is achieved through the magnetic block of the self-locking device adsorbed by external strong magnetic force.

In some embodiments, the number of the locking devices is multiple, and the multiple locking devices are distributed at intervals along the circumferential direction of the barrel cover.

In some embodiments, the locking device further comprises a reset member, the reset member is connected with the barrel cover, and the reset member is used for pressing the clamping member towards the first position.

In some embodiments, the clamping member is pivotally connected to the barrel cover, the magnetic driving mechanism includes a driving member and a connecting member, the driving member is movably disposed on the barrel cover, and the connecting member connects the driving member and the clamping member.

In some embodiments, the barrel cover is provided with a cavity for matching with the upper end of the barrel body, the inner wall of the barrel cover is provided with a guide groove, the driving part is slidably matched in the guide groove, and the length direction of the guide groove is consistent with the axial direction of the barrel cover.

In some embodiments, the outer wall of the barrel body is provided with a stop member, and at least part of the clamping member can extend out of the opening of the guide groove and stop against the downward side of the stop member.

In some embodiments, the connecting member is a connecting rod, a first end of the connecting rod is pivotally connected to the driving member, and a second end of the connecting rod is pivotally connected to the engaging member.

In some embodiments, the driving member includes a guide portion connected to the connecting rod and a magnetic portion located on a side of the guide portion facing away from the connecting rod, and the guide portion is slidably engaged with the guide groove.

In some embodiments, the clamping member is an L-shaped clamping block, the first end of the clamping block is pivotally connected with the second end of the connecting rod, the bending portion of the clamping block is located at the position where the barrel cover is pivotally connected, and the second end of the clamping block is provided with a clamping hook inclined towards the barrel body.

In some embodiments, the bottom of the barrel cover is provided with an annular retainer ring for shielding the locking device.

Drawings

Fig. 1 is a using state diagram of a locking device of a barrel cover self-locking device according to an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a locking device of a barrel cover self-locking device in an embodiment of the invention.

Fig. 3 is a schematic view of a locking state of a locking device of a barrel cover self-locking device in an embodiment of the invention.

FIG. 4 is a schematic view of the locking device of the self-locking device of the barrel cover in the unlocking state according to the embodiment of the invention

FIG. 5 is a schematic view of an unlocking state of a locking device of a barrel cover self-locking device according to an embodiment of the invention

FIG. 6 is a schematic view of the unlocked states of the barrel cover and the barrel body of the self-locking device of the barrel cover according to the embodiment of the invention

FIG. 7 is a schematic view of locking states of a barrel cover and a barrel body of the barrel cover self-locking device according to the embodiment of the invention

Fig. 8 is a schematic view of three locking devices of the barrel cover self-locking device in the circumferential distribution of the barrel cover according to the embodiment of the invention.

Fig. 9 is a schematic view of four locking devices of the barrel cover self-locking device in the circumferential distribution of the barrel cover according to the embodiment of the invention.

Fig. 10 is a schematic view of five locking devices of the barrel cover self-locking device in the circumferential distribution of the barrel cover according to the embodiment of the invention.

Reference numerals: 100. a locking device; 10. a magnetic drive mechanism; 11. a drive member; 110. a guide portion; 111. a magnetic part; 12. a connecting member; 20. a clamping piece; 21. a hook; 30. a reset member; 200. a barrel cover; 201. a guide groove; 300. a barrel body; 301. a stop member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

According to the barrel cover self-locking device disclosed by the embodiment of the invention, as shown in fig. 1-10, the barrel cover self-locking device comprises a barrel cover 200, a barrel body 300 and a locking device 100, the barrel cover 200 is matched at an opening at the upper end of the barrel body 300, the locking device 100 is installed on the barrel cover 200 or the barrel body 300, the locking device 100 comprises a magnetic driving mechanism 10 and a clamping piece 20, the magnetic driving mechanism 10 is connected with the clamping piece 20 so that the clamping piece 20 has a first position and a second position, when the clamping piece 20 is located at the first position, the clamping piece 20 locks the barrel cover 200 and the barrel body 300, and when the clamping piece 20 is located at the second position, the clamping piece 20 releases the locking of the barrel cover 200 and the barrel body 300. Locking device 100 realizes the auto-lock through joint spare locking bung 200 and staving 300, adsorbs locking device 100's magnetism actuating mechanism 10 through outside strong magnetic force and drives the joint spare motion and realize the unblock of bung 200 and staving 300.

According to the barrel cover self-locking device disclosed by the embodiment of the invention, the magnetic driving mechanism 10 is driven by external magnetic force to unlock, so that the barrel cover 200 has the advantages of small thickness and small occupied space inside the barrel cover 200.

In some embodiments, as shown in fig. 8 to 10, the number of the locking devices 100 is multiple, and a plurality of locking devices 100 are spaced along the circumferential direction of the tub cover 200.

Specifically, the number of the locking devices 100 may be 2, 3, 4, 5 or more natural numbers, which is not described herein, and the plurality of locking devices 100 are distributed at equal intervals in the circumferential direction of the barrel cover 200, and the distances between the plurality of locking devices 100 may also be unequal.

In some embodiments, as shown in fig. 2 to 7, the locking device 100 further includes a restoring member 30, the restoring member 30 is connected to the barrel cover 200, and the restoring member 30 is used for pressing the engaging member 20 toward the first position.

From this, reset 30 and be used for promoting joint spare 20 and reset to the primary importance, help staving 300 and bung 200 to keep the locking, avoid external impact effect down joint spare 20 pine to take off.

In some embodiments, the restoring member 30 is a spring plate connected to the barrel cover 200 and stopping against the snap member 20.

Specifically, as shown in fig. 2 to 7, the spring plate is a spring plate with one end bent to be approximately L-shaped, and the spring plate can better press the clip member 20 to reset. The spring leaf has a lower elastic potential energy when the latch member 20 is in the first position than when the latch member 20 is in the second position.

In some embodiments, the restoring member 30 is a torsion spring, one end of which is connected to the tub cover 200 and the other end of which abuts against the engaging member 20.

Specifically, the elastic potential energy of the torsion spring when the clamping member 20 is at the first position is smaller than the elastic potential energy of the torsion spring when the clamping member 20 is at the second position.

In some embodiments, as shown in fig. 5 and 6, the latch 20 is pivotally connected to the barrel cover 200, the magnetic driving mechanism 10 includes a driving member 11 and a connecting member 12, the driving member 11 is movably disposed on the barrel cover 200, and the connecting member 12 connects the driving member 11 and the latch 20.

From this, joint spare 20 rotates with bung 200 to be connected, helps limiting joint spare 20 position and avoids joint spare 20 to break away from bung 200, and driving piece 11 can remove relative bung 200 and be convenient for drive connecting piece 12, and connecting piece 12 can drive joint spare 20, removes bung 200 and staving 300's locking.

In some embodiments, as shown in fig. 5 and 6, the tub cover 200 has a cavity for the upper end of the tub body 300 to fit, the inner wall of the tub cover 200 is provided with a guide groove 201, the driving member 11 is slidably fitted in the guide groove 201, and the length direction of the guide groove 201 is consistent with the axial direction of the tub cover 200.

Therefore, the upper end of the barrel body 300 enters the cavity inside the barrel cover 200 to seal the barrel body 300, the guide groove 201 in the inner wall of the barrel cover 200 can guide the sliding direction of the driving part 11, the length direction of the guide groove 201 is consistent with the axial direction of the barrel cover 200, the length of the guide groove 201 can be reduced, and the thickness of the barrel cover 200 is reduced.

In some embodiments, as shown in fig. 5 and 6, the outer wall of the barrel 300 is provided with a stopper 301, and at least a portion of the clip 20 can protrude out of the opening of the guide groove 201 and stop against a downward side of the stopper 301.

Specifically, there may be a plurality of stop parts 301 on barrel body 300, and stop parts 301 are distributed at barrel body 300 upper end outer wall circumference interval, and stop parts 301 and joint part 20 cooperate to realize bung 200 and barrel body 300's locking.

In some embodiments, as shown in fig. 2-5, the connecting member 12 is a connecting rod, a first end of which is pivotally connected to the driving member 11, and a second end of which is pivotally connected to the snap member 20.

From this, the first end of connecting rod rotates with driving piece 11 to be connected, and the second end rotates with joint spare 20 and links to each other, and the connecting rod can retrain the motion of driving piece 11 and joint spare 20 better.

In some embodiments, as shown in fig. 2-5, the driving member 11 comprises a guide portion 110 connected to the connecting rod and a magnetic portion 111 located at a side of the guide portion 110 facing away from the connecting rod, and the guide portion 110 is slidably engaged with the guide groove 201.

Specifically, the driving member 11 may be a permanent magnet, one end of the permanent magnet is slidably engaged with the guide slot 201 and is rotatably connected to the connecting rod, and the other end of the permanent magnet as the magnetic portion 111 can move under the driving of an external magnetic field.

In some embodiments, as shown in fig. 2 to 5, the fastening member 20 is an L-shaped fastening block, a first end of the fastening block is pivotally connected to a second end of the connecting rod, the bending portion of the fastening block is located at the barrel cover 200 and pivotally connected to the barrel cover, and a fastening hook 21 inclined toward the barrel body 300 is disposed at the second end of the fastening block.

From this, joint spare 20 can locking staving 300 and bung 200 better for L type fixture block, can reduce joint spare 20 range of motion, reduces bung 200's space and occupies.

In some embodiments, the bottom of the barrel cover 200 is provided with an annular collar for shielding the locking device 100.

From this, locking device 100 can avoid other people to observe the seam between bung 200 and staving 300 and judge locking device 100 position by annular retaining ring shelters from, protects sample bucket integrality better and avoids stealing out.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A barrel cover self-locking device is characterized by comprising:

the barrel cover is matched with an opening at the upper end of the barrel body; and

the locking device is installed on the barrel cover or the barrel body and comprises a magnetic driving mechanism and a clamping piece, the magnetic driving mechanism is connected with the clamping piece so that the clamping piece is provided with a first position and a second position, when the clamping piece is located at the first position, the clamping piece locks the barrel cover and the barrel body, and when the clamping piece is located at the second position, the clamping piece releases the locking of the barrel cover and the barrel body.

2. The barrel cover self-locking device according to claim 1, wherein the number of the locking devices is multiple, and the multiple locking devices are distributed at intervals along the circumferential direction of the barrel cover.

3. The barrel cover self-locking device according to claim 1, wherein the locking device further comprises a reset member, the reset member is connected with the barrel cover, and the reset member is used for pressing the clamping member toward the first position.

4. The barrel cover self-locking device according to any one of claims 1 to 3, wherein the clamping member is pivotally connected to the barrel cover, the magnetic driving mechanism comprises a driving member and a connecting member, the driving member is movably disposed on the barrel cover, and the connecting member connects the driving member and the clamping member.

5. The barrel cover self-locking device according to claim 4, wherein the barrel cover is provided with a cavity for matching with the upper end of the barrel body, the inner wall of the barrel cover is provided with a guide groove, the driving member is slidably matched in the guide groove, and the length direction of the guide groove is consistent with the axial direction of the barrel cover.

6. The barrel cover self-locking device according to claim 5, wherein a stop member is arranged on the outer wall of the barrel body, and at least part of the clamping member can extend out of the opening of the guide groove and stop against the downward side of the stop member.

7. The barrel cover self-locking device according to claim 4, wherein the connecting member is a connecting rod, a first end of the connecting rod is pivotally connected with the driving member, and a second end of the connecting rod is pivotally connected with the clamping member.

8. The barrel cover self-locking device according to claim 7, wherein the driving member comprises a guide portion connected to the connecting rod and a magnetic portion located on a side of the guide portion away from the connecting rod, and the guide portion is in sliding fit with the guide groove.

9. The barrel cover self-locking device according to claim 7, wherein the clamping member is an L-shaped clamping block, a first end of the clamping block is pivotally connected with a second end of the connecting rod, the bending part of the clamping block is positioned at the position where the barrel cover is pivotally connected, and a clamping hook which is inclined towards the barrel body is arranged at the second end of the clamping block.

10. The barrel cover self-locking device according to claim 1, wherein an annular retainer ring for shielding the locking device is arranged at the bottom of the barrel cover.