CN113550664A

CN113550664A - Padlock for chemical enterprises and protection device thereof

Info

Publication number: CN113550664A
Application number: CN202010328199.6A
Authority: CN
Inventors: 林晖; 陈亮; 商翼; 徐峰; 贺辉宗
Original assignee: China Petroleum and Chemical Corp; Sinopec Qingdao Safety Engineering Institute
Current assignee: China Petroleum and Chemical Corp; Sinopec Qingdao Safety Engineering Institute
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-10-26

Abstract

The invention discloses a protection device of a padlock for a chemical enterprise, which comprises: a housing having a sealed cavity to receive a lock body of a padlock; and the protective gas storage tank is arranged on the shell and is provided with a gas outlet valve, and the gas outlet valve is connected with the cavity of the shell. The invention also discloses a padlock for chemical enterprises, which comprises: the padlock body comprises a lock body, a lock beam and a lock hole; and the padlock protection device for the chemical enterprises in any technical scheme. The casing of the protection device forms sealing protection for the padlock body, and the protective gas storage tank fills protective gas into the casing, so that the occurrence of the situation that external corrosive media enter the casing to corrode the padlock body is reduced, and the service life of the padlock is prolonged.

Description

Padlock for chemical enterprises and protection device thereof

Technical Field

The invention relates to the technical field of locks, in particular to a padlock for chemical enterprises and a protection device thereof.

Background

Padlocks are the oldest and bulky families in the world of locks, and other locks are said to be derived from padlocks and other doors. The lock body of the padlock is provided with a metal stem which can be buckled and connected in a ring shape or a straight shape, namely a 'lock beam', so that the padlock is directly buckled with the lock body through the lock beam to form a closed lock. The direct-opening padlock with the spring structure is used as a padlock and is widely applied to chemical enterprises, and has an anti-theft effect on one hand, and dangerous chemicals stored in the chemical enterprises on the other hand need to be prevented from being touched by non-related personnel. The current padlock directly exposes and lacks the protection in external environment, nevertheless has the corrosive medium of a certain amount in the environment of chemical industry enterprise factory building, causes the corruption to the padlock, influences the life of padlock, and the padlock that exposes in external environment simultaneously has very big possibility to suffer from external medium splatter and corrodes the padlock body, reduces the life of padlock, influences production safety.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

One of the objectives of the present invention is to provide a padlock for chemical enterprises and a protection device thereof, so as to increase the anti-corrosion performance of the padlock and prolong the service life of the padlock.

One of the objectives of the present invention is to provide a padlock for chemical enterprises and a protection device thereof, so as to avoid the corrosion of the external environment and prolong the service life of the padlock.

To achieve the above object, according to a first aspect of the present invention, there is provided a padlock protecting device for chemical industry enterprises, comprising: a housing having a sealed cavity to receive a lock body of a padlock; and the protective gas storage tank is arranged on the shell and is provided with a gas outlet valve, and the gas outlet valve is connected with the cavity of the shell.

Further, in the above technical scheme, the shielding gas in the shielding gas storage tank is nitrogen.

Further, among the above-mentioned technical scheme, the protection gas storage tank is equipped with the admission valve, and the admission valve can be dismantled ground and be connected with the protection air supply.

Further, in the above technical solution, the housing includes: the two first through holes are used for penetrating through a lock beam of the padlock; the second through hole is arranged corresponding to the lock hole of the padlock; and a shutter capable of opening or closing the second through hole.

Furthermore, in the above technical scheme, the spring is connected to one end of the baffle, and when the spring was in the first position, the second through-hole was closed to the baffle, and when the spring was in the second position, the second through-hole was opened to the baffle.

Furthermore, in the above technical scheme, the baffle is provided with a deflector rod, and the deflector rod drives the baffle to compress the spring to the second position.

Further, among the above-mentioned technical scheme, the second through-hole is equipped with the bottom ring, and when the spring was in the primary importance, baffle and bottom ring looks sealing connection.

Furthermore, among the above-mentioned technical scheme, first through-hole is equipped with the sleeve, and the sleeve extends along the lock beam direction, is fixed with baffle and/or rubber casing in the sleeve.

Further, among the above-mentioned technical scheme, the casing is equipped with two splint, and two splint can press from both sides the lock body of padlock tightly fixed.

Further, among the above-mentioned technical scheme, two splint are equipped with adjusting bolt.

Further, in the above technical solution, the housing includes an upper housing and a lower housing hermetically connected to each other.

Furthermore, among the above-mentioned technical scheme, the protective gas storage tank passes through fixed hoop and bolt fastening on the casing.

Further, among the above-mentioned technical scheme, the protection gas storage tank is equipped with the dustcoat.

According to a second aspect of the present invention, there is provided a padlock for a chemical industry enterprise, comprising: the padlock body comprises a lock body, a lock beam and a lock hole; and the padlock protection device for the chemical enterprises in any technical scheme.

Furthermore, in the above technical scheme, the lock beam is U-shaped, and the lock hole is located at the bottom of the lock body.

Compared with the prior art, the invention has the following beneficial effects:

1. the casing of the protection device forms sealing protection for the padlock body, and the protective gas storage tank fills protective gas into the casing, so that the situation that external corrosive media enter the casing to corrode the padlock body is reduced, and the service life of the padlock is prolonged.

2. The casing of protection device can protect outside liquid medium splatter to the padlock body, improves the life of padlock.

3. The protective gas storage tank is provided with the air inlet valve which can supplement the protective gas, when the protective gas in the protective gas storage tank is insufficient, the protective gas storage tank does not need to be replaced or abandoned, and the cost of the protective device is saved.

4. Through the design of baffle, spring, bottom ring, baffle and/or rubber cover etc. for protection device's leakproofness is better.

5. Through splint and adjusting bolt design for the padlock lock body is relatively fixed in protection device's casing, avoids the harm that external striking etc. caused the lock body.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means implementable in accordance with the contents of the description, and to make the above and other objects, technical features, and advantages of the present invention more comprehensible, one or more preferred embodiments are described below in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a padlock for a chemical industry enterprise according to an embodiment of the present invention.

Fig. 2 is a schematic sectional view of a padlock protection device for a chemical industry enterprise according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a shielding gas storage tank according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a shielding gas storage tank and its housing according to an embodiment of the present invention.

Description of the main reference numerals:

10-padlock, 20-shell, 21-upper shell, 22-lower shell, 23-cavity, 24-first through hole, 241-sleeve, 242-partition plate, 243-rubber cover, 25-second through hole, 251-bottom ring, 26-baffle, 261-spring, 262-deflector rod, 27-clamping plate, 271-adjusting bolt, 30-protective gas storage tank, 31-gas outlet valve, 32-gas inlet valve, 33-outer cover, 34-fixing hoop and 35-bolt.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The article may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

In this document, the terms "first", "second", etc. are used to distinguish two different elements or portions, and are not used to define a particular position or relative relationship. In other words, the terms "first," "second," and the like may also be interchanged with one another in some embodiments.

As shown in fig. 1 to 3, a padlock protecting device for a chemical industry enterprise, according to an embodiment of the present invention, is provided at an outer side of a padlock 10, and includes a housing 20 and a shielding gas storage tank 30. Housing 20 has a sealed cavity 23 that receives the body of padlock 10. The shielding gas storage tank 30 is installed on the housing 20, and the shielding gas storage tank 30 is provided with a gas outlet valve 31, and the gas outlet valve 31 is connected with the cavity 23 of the housing 20. Preferably, but not by way of limitation, the shielding gas storage tank 30 is mounted on the housing 20 with its outlet valve 31 located in a cavity of the housing 20.

Further, in one or more exemplary embodiments of the present invention, the shielding gas in the shielding gas storage tank 30 is nitrogen. It should be understood that one skilled in the art can select a suitable shielding gas according to actual needs, and the invention is not limited thereto. Further, in one or more exemplary embodiments of the present invention, the shielding gas storage tank 30 is provided with an air inlet valve 32, and the air inlet valve 32 is detachably connected to a shielding gas source (not shown in the drawings). The worker may connect the shielding gas source at regular or irregular intervals according to the amount of shielding gas in the shielding gas storage tank 30, and supplement the shielding gas to the shielding gas storage tank 30 through the gas inlet valve 32. Illustratively, after the operator opens and closes the padlock each time, the operator may connect the inlet valve 32 to the shielding gas source to supplement the shielding gas to the shielding gas storage tank 30, so as to ensure sufficient shielding gas in the protection device.

Further, in one or more exemplary embodiments of the present invention, the housing 20 includes two first through holes 24 for penetrating the shackle of the padlock 10, and the housing 20 further includes a second through hole 25, and a position of the second through hole 25 corresponds to a position of the keyhole of the padlock 10. A shutter 26 is disposed on the housing 20, the shutter 26 can close the second through hole 25 to seal and protect the lock hole, and the shutter 26 can open the second through hole 25 to expose the lock hole for unlocking. Further, in one or more exemplary embodiments of the invention, a spring 261 is coupled to an end of the shutter 26, and when the spring 261 is in a first position (as shown in fig. 2), the shutter 26 closes the second through hole 25, and when the spring 261 is in a second position (not shown), the shutter 26 opens the second through hole 25. Further, in one or more exemplary embodiments of the present invention, the baffle 26 is provided with a toggle rod 262, and the toggle rod 262 can drive the baffle 26 to compress the spring 261 to the second position, so as to open the second through hole 25; releasing the toggle 262 and the spring 261 automatically returns to the first position to close the second through hole 25. Further, in one or more exemplary embodiments of the present invention, the second through hole 25 is provided with a bottom ring 251, and when the spring 261 is in the first position, the baffle 26 is in sealing connection with the bottom ring 251, so that the sealing performance of the baffle with the second through hole 25 is enhanced. Illustratively, a sealing member may be disposed between the baffle 26 and the bottom ring 251, and the present invention is not limited thereto.

Further, in one or more exemplary embodiments of the invention, the first through hole 24 is provided with two sleeves 241, the sleeves 241 extending in the direction of the shackle of the padlock 10, wherein a partition 242 is fixed inside one sleeve 241 and a rubber cover 243 is fixed inside the other sleeve 241. Illustratively, the partition 242 is sleeved outside the shackle of the padlock 10, the partition 242 is fitted in the sleeve 241, the waterproof property of the housing 20 is improved, the rubber cover 243 is provided with an opening, when the shackle of the padlock 10 does not pass through the opening, the opening of the rubber cover 243 is closed (as shown in fig. 2), and when the shackle of the padlock 10 passes through the rubber cover 243, the rubber cover 243 is in sealing contact with the outer surface of the shackle. It should be understood that the present invention is not limited thereto, and those skilled in the art can select the sealing manner in the sleeve according to actual needs.

Further, in one or more exemplary embodiments of the present invention, the housing 20 is provided with two clamping plates 27, and the two clamping plates 27 can clamp and fix the lock body of the padlock 10. Further, in one or more exemplary embodiments of the present invention, the two clamp plates 27 are provided with an adjusting bolt 271. The distance between the two clamping plates 27 is adjusted by the adjusting bolt 271 to clamp the lock body of the padlock 10, so that the padlock 10 is prevented from shaking and being damaged in the shell 20 when being impacted by the outside.

Further, in one or more exemplary embodiments of the present invention, the housing 20 includes an upper housing 21 and a lower housing 22 hermetically connected to each other. For example, a gasket or the like may be disposed between the upper housing 21 and the lower housing 22, and the present invention is not limited thereto.

Further, in one or more exemplary embodiments of the present invention, the shielding gas storage tank 30 is fixed to the housing 20 by a fixing band 34.

Referring to FIG. 4, in one or more exemplary embodiments of the invention, shielding gas storage tank 30 is provided with an outer cover 33. The cover 33 snaps the shield gas storage tank 30 onto the housing 20, for example, by being secured by bolts 35.

Referring to fig. 1 to 4, according to one or more exemplary embodiments of the present invention, a padlock for a chemical industry enterprise includes a padlock body and a protection device of the padlock for the chemical industry enterprise according to any one of the above technical solutions. Illustratively, the padlock body includes a lock body, a shackle, and a keyhole.

Further, in one or more exemplary embodiments of the present invention, the shackle may be U-shaped, and the locking hole may be located at the bottom of the lock body. It should be understood that the specific type of padlock of the present invention may be selected as desired, and is not limited thereto, for example, the shackle may be in the shape of a straight line.

Referring to fig. 1 to 4, the padlock for chemical enterprises of the present invention is used as follows: the shackle of the padlock 10 is inserted through the first through holes 24 of the housing 20 (the housing between the two first through holes 24 can be opened and closed), and the adjusting bolt 271 is adjusted to enable the clamping plate 27 to clamp the lock body of the padlock 10. The upper casing 21 and the lower casing 22 of the casing 20 are connected, and the baffle 26 is hermetically connected to the bottom ring 23 to close the second through hole 25. The protective gas storage tank 30 stores nitrogen, and the nitrogen enters the cavity 23 of the shell 20 through the gas outlet valve 31 at a constant flow rate to protect the lock body of the padlock 10. When the lock is unlocked, the shift lever 262 is shifted to drive the baffle 26 to compress the spring 261, the second through hole 25 is opened to expose the lock hole, the key is pulled out after the lock is unlocked, the spring 261 automatically restores to close the baffle 26 to the second through hole 25, and when one end of the lock beam is separated from the sleeve 241, the opening of the rubber cover 243 is automatically sealed, so that the protective gas in the cavity 23 of the shell 20 is prevented from being leaked. After the padlock is opened and closed every time, the chemical industry enterprise connects the air inlet valve 32 with the nitrogen source to supplement the nitrogen in the protective gas storage tank 30.

The padlock for chemical industry enterprises according to the present invention will be described in more detail with reference to the following specific examples, which should be construed as merely illustrative and not limitative.

Example 1

Referring to fig. 1, in this embodiment, a lock beam of the padlock for chemical enterprises is U-shaped, and a lock hole is located at the bottom of a lock body. The lock body is accommodated in the housing 20, the volume of the protective gas storage tank 30 is 10ml, and the protective gas is nitrogen. In the embodiment, the nitrogen source is connected to supplement air for the protective gas storage tank 30 after the padlock is opened and closed every time.

The padlock for the chemical industry enterprise of this embodiment is strong, long service life.

Example 2

Referring to fig. 1, in this embodiment, a lock beam of the padlock for chemical enterprises is U-shaped, and a lock hole is located at the bottom of a lock body. The lock body is accommodated in the housing 20, the volume of the shielding gas storage tank 30 is 10ml, and the shielding gas is argon. In this embodiment, the argon source is periodically connected to supply air to the shielding gas storage tank 30 once.

Example 3

Referring to fig. 1 and 4, in the embodiment, the shackle of the padlock for the chemical industry enterprise is U-shaped, and the lock hole is located at the bottom of the lock body. The lock body is accommodated in the housing 20, the volume of the shielding gas storage tank 30 is 10ml, and the shielding gas is argon. The protective gas storage tank 30 of the embodiment is provided with the outer cover 33, and the sealing performance is better. The embodiment is configured to periodically connect the argon gas source to supplement the protective gas storage tank 30 with air once, and connect the argon gas source to supplement the protective gas storage tank 30 with air after the padlock is opened and closed every time.

Example 4

Referring to fig. 1 and 2, in the embodiment, the shackle of the padlock for the chemical industry enterprise is U-shaped, and the lock hole is located at the bottom of the lock body. The lock body is accommodated in the housing 20, the volume of the protective gas storage tank 30 is 10ml, and the protective gas is nitrogen. The two first through holes 24 of the housing 20 are sealed by a partition 242 and a rubber cover 243, respectively. After unlocking, the opening of the rubber cover 243 is automatically sealed to prevent the protective gas in the cavity 23 of the housing 20 from leaking. In the embodiment, the nitrogen source is periodically connected to supplement air to the protective gas storage tank 30 once, and the nitrogen source is connected to supplement air to the protective gas storage tank 30 after the padlock is opened and closed every time.

Example 5

Referring to fig. 1, in this embodiment, a lock beam of the padlock for chemical enterprises is U-shaped, and a lock hole is located at the bottom of a lock body. The lock body is accommodated in the housing 20, the volume of the protective gas storage tank 30 is 10ml, and the protective gas is nitrogen. Both first through holes 24 of the housing 20 are provided with a rubber boot seal. After unlocking, the opening of the rubber boot is automatically sealed to prevent leakage of shielding gas within the cavity 23 of the housing 20. In the embodiment, the nitrogen source is periodically connected to supplement air to the protective gas storage tank 30 once, and the nitrogen source is connected to supplement air to the protective gas storage tank 30 after the padlock is opened and closed every time.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.

Claims

1. The utility model provides a protection device of padlock for chemical industry enterprise which characterized in that includes:

a housing having a sealed cavity to receive a lock body of a padlock; and

and the protective gas storage tank is arranged on the shell and is provided with a gas outlet valve, and the gas outlet valve is connected with the cavity of the shell.

2. The device as claimed in claim 1, wherein the shielding gas in the shielding gas storage tank is nitrogen.

3. The device as claimed in claim 1, wherein the shielding gas storage tank is provided with an air inlet valve detachably connected to a shielding gas source.

4. The padlock protection device for chemical enterprises, according to claim 1, wherein the housing comprises:

the two first through holes are used for penetrating through a lock beam of the padlock;

the second through hole is arranged corresponding to the lock hole of the padlock; and

a shutter capable of opening or closing the second through hole.

5. The device as claimed in claim 4, wherein a spring is connected to one end of the shutter, and when the spring is at a first position, the shutter closes the second through hole, and when the spring is at a second position, the shutter opens the second through hole.

6. The device as claimed in claim 5, wherein the blocking plate is provided with a lever, and the lever drives the blocking plate to compress the spring to the second position.

7. The device as claimed in claim 5, wherein the second through hole is provided with a bottom ring, and the baffle is sealingly connected to the bottom ring when the spring is in the first position.

8. The device for protecting a padlock according to claim 4, wherein the first through hole is provided with a sleeve, the sleeve extends along the direction of the lock beam, and a partition plate and/or a rubber cover are/is fixed in the sleeve.

9. The device as claimed in claim 1, wherein the housing is provided with two clamping plates for clamping and fixing the lock body of the padlock.

10. The padlock protection device for chemical enterprises, as claimed in claim 9, wherein the two clamping plates are provided with adjusting bolts.

11. The padlock protection device for the chemical industry enterprises as claimed in claim 1, wherein the housing comprises an upper housing and a lower housing which are hermetically connected with each other.

12. The device as claimed in claim 1, wherein the shielding gas tank is fixed to the housing by a fixing hoop and bolts.

13. The device as claimed in claim 1, wherein the shielding gas tank is provided with an outer cover.

14. A padlock for chemical enterprises is characterized by comprising:

the padlock body comprises a lock body, a lock beam and a lock hole; and

a padlock protecting device as claimed in any one of claims 1 to 13.

15. The padlock of claim 14, wherein the shackle is U-shaped, and the locking hole is located at the bottom of the lock body.