CN216519553U

CN216519553U - Safety locking clamp for pressure container

Info

Publication number: CN216519553U
Application number: CN202123017068.5U
Authority: CN
Inventors: 张成祥
Original assignee: Shinetek Instruments Research Institute
Current assignee: Shinetek Instruments Research Institute
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-13
Anticipated expiration: 2031-12-03

Abstract

The present disclosure provides a safety locking clip for a pressure vessel, the pressure vessel including a vessel lid, the safety locking clip comprising: a clamp for securing a vessel lid to the pressure vessel; a clamp securing lock that locks the clamp to the pressure vessel and the vessel lid; and a residual pressure evacuation key configured to serve as a plug mounted to the container lid and to evacuate residual pressure within the pressure vessel when operated, the residual pressure evacuation key further configured to open the clamp securing lock to unlock the clamp from the pressure vessel and the container lid. The disclosed safety locking clamp will slowly release the internal residual pressure, ensuring that the internal pressure of the container is completely released before the container is completely opened, and ensuring the safety of operators and laboratories.

Description

Safety locking clamp for pressure container

Technical Field

The present disclosure relates to pressure vessel technology, and more particularly, to a safety locking clip.

Background

The pressure vessel builds up pressure internally during normal operation. When the pressure container needs to be opened, pressure is firstly released through the valve, but residual pressure can exist in the pressure container. At this time, the pressure gauge may not display the actual pressure due to the low internal pressure of the container, but the operator may still be injured if the container is directly opened.

SUMMERY OF THE UTILITY MODEL

To at least partially overcome the above-mentioned problems in the prior art, the present disclosure provides a safety locking clip for a pressure vessel

According to an aspect of an embodiment of the present disclosure, there is provided a safety locking clip for a pressure vessel, the pressure vessel including a vessel lid, the safety locking clip comprising: a clamp for securing a vessel lid to the pressure vessel; a clamp securing lock that locks the clamp to the pressure vessel and the vessel lid; and a residual pressure evacuation key configured to serve as a plug mounted to the container lid and to evacuate residual pressure within the pressure vessel when operated, the residual pressure evacuation key further configured to open the clamp securing lock to unlock the clamp from the pressure vessel and the container lid.

In some embodiments, the residual pressure emptying key is configured to emit a sound when unscrewed from the container lid.

In some embodiments, a vent hole is provided in the side wall of the residual pressure emptying key, the vent hole sounding an air flow when the residual pressure emptying key is unscrewed from the container cover.

In some embodiments, the residual pressure emptying key is provided with an internal thread at one end for mounting to the container lid and a lock engagement means at the other end for engaging and manipulating the clamp securing lock.

In some embodiments, the lock engagement means comprises an engagement head in the shape of a hexagonal prism, the clamp retention lock being provided with an engagement cavity for receiving the engagement head, the inner wall of the engagement cavity being in the shape of a hexagonal prism.

In some embodiments, the end of the residual pressure emptying key provided with the internal thread is provided with a sealing gasket which is compressed to achieve sealing when the residual pressure emptying key is mounted to the container lid.

In some embodiments, the clamp includes a clamp front and a clamp rear, the clamp lock locking the clamp front and the clamp rear together.

In some embodiments, the clamp includes a connecting rod connecting the front clamp portion and the rear clamp portion, the clamp securement lock being connected to the connecting rod and pressing the front clamp portion and the rear clamp portion together to effect the locking.

The disclosed safety locking clamp will slowly release the internal residual pressure, ensuring that the internal pressure of the container is completely released before the container is completely opened, and ensuring the safety of operators and laboratories.

Drawings

FIG. 1 shows a schematic perspective view of a safety locking clip according to the present disclosure;

FIG. 2 shows a schematic perspective view of a clamp of a safety locking clip according to the present disclosure;

fig. 3 shows a schematic perspective view of a residual pressure emptying key and a service tool of a safety lock clamp according to the present disclosure.

Detailed Description

The safety locking clip for a pressure vessel disclosed in the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following detailed description and claims. It is noted that the drawings are in greatly simplified form and that non-precision ratios are used for convenience and clarity only to aid in the description of the embodiments of the utility model.

A safety locking clip according to the present disclosure for a pressure vessel 9, such as a reaction vessel, is described below with reference to fig. 1. The pressure vessel 9 includes a vessel lid 6.

The safety lock clamp comprises a clamp, a clamp fixing lock and a residual pressure emptying key 1.

The clamp is used to secure the vessel lid 6 to the pressure vessel 9. The clamp prevents the vessel lid 6 from being removed from the pressure vessel 9 during operation. The clamp locks 2, 3 lock the clamp to the pressure vessel 9 and the vessel lid 6 so that the clamp firmly grips the vessel lid 6.

In some embodiments, as shown in fig. 2, the clip may include a clip front portion 4 and a clip rear portion 5. The clamp locks 2, 3 lock the clamp front 4 and clamp rear 5 together. The clamp may further comprise connecting

rods

11, 12 connecting the front clamp part 4 and the rear clamp part 5, the

clamp locks

2, 3 being connected to the connecting

rods

11, 12 and pressing the front clamp part 4 and the rear clamp part 5 together to effect locking. It will be appreciated that other suitable structures may be employed to secure the clip front portion 4 to the clip rear portion 5.

As an example, one end of the connecting

rods

11, 12 may be fixed to the clamp rear part 5 and pass through a through hole in the clamp front part 4. The other ends of the connecting

rods

11 and 12 are in threaded connection with the

clamp fixing locks

2 and 3. Preferably, the connecting

rods

11, 12 comprise a first connecting rod 11 and a second connecting rod 12, respectively arranged on both sides of the clamp. Accordingly, the clamp fixing lock includes a first clamp fixing lock 2 engaged with the first connection rod 11 and a second clamp fixing lock 3 engaged with the second connection rod 12.

The

clamp locks

2, 3 can be embodied as cylinders, preferably with smooth outer sides, so that it is difficult for a user to unscrew the

clamp locks

2, 3 manually, but the clamp locks must be screwed or unscrewed by means of a special tool, i.e. the residual pressure emptying key 1. Thereby, the user can be prevented from opening the pressure container carelessly. The special tool can mean that the residual pressure emptying key 1 is made into a non-standard part, and in a working site, a user cannot find other tools for opening the clamp fixing lock, but only the residual pressure emptying key 1 can be used.

The residual pressure emptying key 1 is configured to serve as a plug attached to the container lid 6 and to empty the residual pressure in the pressure vessel 9 when operated (e.g., unscrewed from the container lid 6).

The residual pressure emptying key 1 is configured to sound when the container lid 6 is unscrewed. For example, the residual pressure emptying key 1 may comprise a vent hole 10 provided in a side wall thereof. The vent hole 10 allows airflow therethrough when the residual pressure emptying key 1 is unscrewed from the container cover 6, and thus emits airflow sound. Therefore, when the user manually unscrews the residual pressure emptying key 1, if the residual pressure still exists in the pressure vessel 9, the internal pressure will be slowly emptied during the process of unscrewing the residual pressure emptying key 1, preventing the risk of injury.

The residual pressure emptying key 1 may also be a special key for opening the

clamp locks

2, 3. For this purpose, it is configured to open the

clamp locks

2, 3 to unlock the clamp from the pressure vessel 9 and the vessel lid 6. In particular, the residual pressure emptying key 1 is configured to manipulate (e.g., rotate) the

first clamp locks

2, 3 such that the

clamp locks

2, 3 no longer secure the clamp front 4 to the clamp rear 5, thereby enabling unlocking of the clamp from the pressure vessel 9 and the vessel lid 6.

As an example, the residual pressure emptying key 1 is provided with an internal thread at one end to be mounted as a plug to the container lid 6 and a lock engaging means at the other end to engage and operate the

clamp securing locks

2, 3. The lock engagement means may be embodied as comprising an engagement head in the shape of a hexagonal prism, the

clamp fixing locks

2, 3 being provided with an engagement cavity for receiving the engagement head, the inner wall of the engagement cavity being in the shape of a hexagonal prism. In this manner, the residual pressure exhausting key 1 can be used as a hexagonal wrench to operate the

jig fixing locks

2, 3, and the residual pressure exhausting key 1 can be inserted into the engagement cavities provided in the

jig fixing locks

2, 3 to rotate and open the

jig fixing locks

2, 3. The hexagonal shape of the engagement head and the engagement cavity is of non-standard dimensions, making it difficult for the user to find other tools for opening the clamp lock at the work site, and only using the residual pressure to empty the key 1.

Further, when the residual pressure emptying key 1 is mounted on the container cover 6, it is necessary to ensure airtightness thereof. For this purpose, the end of the residual pressure emptying key 1 provided with the internal thread is provided with a sealing gasket 8, which sealing gasket 8 is compressed to achieve sealing when the residual pressure emptying key 1 is mounted to the container lid 6.

The seal 8 may be made of rubber, PTEE or the like and, being a consumable, needs to be replaced periodically. Thus, the safety locking clip according to the present disclosure may also be equipped with a service tool 7, which may be used to replace the sealing gasket 8. In particular, the gasket 8 is provided with an external thread which is screwed into an internal thread of the residual pressure emptying key 1 and in the surface of which an in-line groove 81 is provided, and the service tool 7 comprises an end portion 71 which can be inserted into the in-line groove 81 and takes the gasket 8 out of the interior of the residual pressure emptying key 1. The end of the service tool 7 may be tapered.

The vent hole 10 in the side wall of the residual pressure exhaust key 1 is arranged at the side wall of the residual pressure exhaust key 1 provided with the internal thread, and when the gasket 8 is installed in the residual pressure exhaust key 1, the vent hole 10 is not covered by the side wall of the gasket 8. In this way, when the residual pressure emptying key 1 is screwed on the container cover 6, the gas in the pressure container 9 cannot escape from the vent hole 10; when the user gradually unscrews the residual pressure emptying key 1 from the container cover 6, the gas in the pressure container 9 may escape from the vent hole 10 and emit a flow sound.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The terms "plurality" and "a plurality" in the present disclosure and appended claims refer to two or more than two unless otherwise specified.

It will be apparent to those skilled in the art that various modifications and variations can be made in the disclosed safety locking clip for a pressure vessel without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A safety lock clamp for a pressure vessel, the pressure vessel including a vessel lid, the safety lock clamp comprising:

a clamp for securing the vessel lid to the pressure vessel;

a clamp securing lock locking the clamp to the pressure vessel and the vessel lid; and

a residual pressure evacuation key configured to serve as a plug mounted to the vessel lid and to evacuate residual pressure within the pressure vessel when operated, the residual pressure evacuation key further configured to open the clamp securing lock to unlock the clamp from the pressure vessel and the vessel lid.

2. The security lock clip of claim 1 wherein the residual pressure emptying key is configured to emit a sound when unscrewed from the container lid.

3. The security clip of claim 2, wherein a vent hole is provided in the side wall of the residual pressure emptying key, said vent hole sounding an air flow when the residual pressure emptying key is unscrewed from the container lid.

4. The security lock clip of claim 1 wherein the residual pressure evacuation key is internally threaded at one end for mounting to the container lid and is provided with a lock engagement means at the other end for engaging and manipulating the clip securing lock.

5. A security lock clip according to claim 4 in which the lock engagement means comprises an engagement head in the shape of a hexagonal prism, the clip fixing lock being provided with an engagement cavity for receiving the engagement head, the inner wall of the engagement cavity being in the shape of a hexagonal prism.

6. The security clip of claim 4, wherein the internally threaded end of the residual pressure emptying key is provided with a gasket that is compressed to effect a seal when the residual pressure emptying key is installed to the container lid.

7. The safety lock clip of claim 1, wherein the clip includes a clip front and a clip rear, the clip retention lock locking the clip front and the clip rear together.

8. The safety lock clip of claim 7, wherein the clip includes a connecting rod connecting the front clip portion and the rear clip portion, the clip securement lock being connected to the connecting rod and pressing the front clip portion and the rear clip portion together to effect locking.