阅读说明：本技术 一种用于空压机油气桶的卸压加油口盖及油气桶 (A release filler cap and oil gas bucket for air compressor oil gas bucket ) 是由 马山 余鹏 胡志朋 张海春 于 2020-06-19 设计创作，主要内容包括：本发明适用于压力容器技术领域,提供了一种用于空压机油气桶的卸压加油口盖及油气桶,该空压机油气桶的卸压加油口盖包括：加油盖；锁紧盖；所述锁紧盖上设有卸压孔；所述加油盖与所述锁紧盖相连,并贯穿于所述锁紧盖；所述加油盖与所述锁紧盖之间形成用于连接油气桶的安装腔；所述卸压孔与所述安装腔相通；防脱落组件,用于防止所述锁紧盖与所述加油盖之间发生脱离。本发明实施例通过在加油盖外侧设置锁紧盖,以及在锁紧盖上设置卸压孔,可以实现在打开卸压加油口盖时,使油气桶内的残余压力从卸压孔处排出,并防止加油盖与锁紧盖之间松脱,从而可以避免卸压加油口盖瞬间被弹开,以达到安全拆卸卸压加油口盖的目的。(The invention is suitable for the technical field of pressure vessels, and provides a pressure relief oil filler cap for an air compressor oil-gas barrel and the oil-gas barrel, wherein the pressure relief oil filler cap of the air compressor oil-gas barrel comprises: an oil filling cap; a locking cover; the locking cover is provided with a pressure relief hole; the oil filling cover is connected with the locking cover and penetrates through the locking cover; an installation cavity for connecting an oil-gas barrel is formed between the oil filling cover and the locking cover; the pressure relief hole is communicated with the mounting cavity; the anti-falling assembly is used for preventing the locking cover from being separated from the oil filling cover. According to the embodiment of the invention, the locking cover is arranged on the outer side of the oil filling cover, and the pressure relief hole is formed in the locking cover, so that residual pressure in the oil gas barrel can be discharged from the pressure relief hole when the pressure relief oil filling cover is opened, the oil filling cover and the locking cover are prevented from being loosened, the pressure relief oil filling cover can be prevented from being instantly bounced open, and the purpose of safely disassembling the pressure relief oil filling cover is achieved.)

1. The utility model provides a release filler cap for air compressor oil gas bucket, includes the filler cap, its characterized in that still includes:

a locking cover; the locking cover is provided with a pressure relief hole; the oil filling cover is connected with the locking cover and penetrates through the locking cover; an installation cavity for connecting an oil-gas barrel is formed between the oil filling cover and the locking cover; the pressure relief hole is communicated with the mounting cavity;

the anti-falling assembly is used for preventing the locking cover from being separated from the oil filling cover.

2. The pressure relief filler cap for an air compressor cylinder according to claim 1, wherein said dropout prevention assembly comprises: a card slot; the clamping groove is arranged on the oil filling cover; a clamp spring; the clamp spring is arranged in the clamp groove;

a limiting step; the limiting step is arranged on the oil filling cover; the locking cover is provided with an annular bulge; the annular bulge is arranged between the clamp spring and the limiting step.

3. The pressure relief filler cap for the air compressor oil and gas barrel as claimed in claim 2, wherein the clamping groove and the limiting step are both ring structures.

4. The pressure relief filler cap for an air compressor oil and gas barrel of claim 1, wherein the locking cap is provided with a non-slip portion on the outside.

5. The pressure relief filler cap for an air compressor cylinder according to claim 4, wherein said non-slip portion comprises a knurled groove; the knurling groove is arranged on the outer wall of the locking cover.

6. The pressure relief filler cap for an air compressor oil gas barrel according to any one of claims 1-5, further comprising:

and the sealing assembly is used for forming a sealing structure between the oil filling cover and the oil gas barrel.

7. The pressure relief filler cap for an air compressor cylinder according to claim 6, wherein said seal assembly comprises:

a sealing groove; the sealing groove is arranged on the oil filling cover and is positioned in the mounting cavity;

a sealant having elasticity; the sealant is arranged in the sealing groove; the sealant and the sealing groove are both of annular structures.

8. The utility model provides an oil gas bucket, includes the ladle body, be equipped with the oil filler hole on the ladle body, its characterized in that, oil gas bucket still includes:

the pressure relief fuel filler cap of any one of claims 1 to 7; the pressure relief oil filler cap is connected with the oil filler hole.

9. The hydrocarbon barrel of claim 8, further comprising:

a connecting assembly; the oil filling port is detachably connected with the mounting cavity through the connecting assembly.

10. The hydrocarbon barrel of claim 9, wherein the connection assembly includes:

connecting threads; the connecting thread is arranged inside the locking cover and is positioned in the mounting cavity;

an external thread; the external thread is arranged outside the oil filling port and is matched with the connecting thread.

Technical Field

The invention belongs to the technical field of pressure containers, and particularly relates to a pressure relief oil filler cap for an air compressor oil-gas barrel and the oil-gas barrel.

Background

In recent years, air compressors have been widely used in various manufacturing enterprises as important gas energy equipment.

The air compressor machine is the corollary equipment in the compressed air production system, and the during operation has certain pressure, and the oil gas bucket belongs to pressure vessel, and the maintenance of present air compressor machine, many are not familiar with the personnel of equipment and are operating, and its safety consciousness is not strong, so when the oil filling lid of oil gas bucket is dismantled, very easily operate improperly to because of the residual pressure in the oil gas bucket makes the oil filling lid pop out in the twinkling of an eye, and leads to the emergence of incident.

Disclosure of Invention

The embodiment of the invention aims to provide a pressure relief oil filler cap for an air compressor oil gas barrel, and aims to solve the problems in the prior art.

The embodiment of the invention is realized in such a way that the pressure relief oil filler cap for the oil-gas barrel of the air compressor comprises:

an oil filling cap;

a locking cover; the locking cover is provided with a pressure relief hole; the oil filling cover is connected with the locking cover and penetrates through the locking cover; an installation cavity for connecting an oil-gas barrel is formed between the oil filling cover and the locking cover; the pressure relief hole is communicated with the mounting cavity;

the anti-falling assembly is used for preventing the locking cover from being separated from the oil filling cover.

As a preferable aspect of the embodiment of the present invention, the drop-off prevention member includes:

a card slot; the clamping groove is arranged on the oil filling cover;

a clamp spring; the clamp spring is arranged in the clamp groove;

a limiting step; the limiting step is arranged on the oil filling cover; the locking cover is provided with an annular bulge; the annular bulge is arranged between the clamp spring and the limiting step.

As another preferable scheme of the embodiment of the present invention, the clamping groove and the limiting step are both of an annular structure.

As another preferable mode of the embodiment of the present invention, an anti-slip portion is provided on an outer side of the locking cover.

As another preferable aspect of the embodiment of the present invention, the anti-slip portion includes a knurled groove; the knurling groove is arranged on the outer wall of the locking cover.

As another preferable aspect of the embodiment of the present invention, the pressure relief filler cap further includes:

and the sealing assembly is used for forming a sealing structure between the oil filling cover and the oil gas barrel.

As another preferable aspect of the embodiment of the present invention, the seal assembly includes:

a sealing groove; the sealing groove is arranged on the oil filling cover and is positioned in the mounting cavity;

a sealant having elasticity; the sealant is arranged in the sealing groove; the sealant and the sealing groove are both of annular structures.

Another object of the embodiment of the invention is to provide an oil gas barrel, which comprises a barrel body, wherein an oil filling port is arranged on the barrel body; the oil gas bucket still includes:

the pressure relief oil filler cap; the pressure relief oil filler cap is connected with the oil filler hole.

As another preferable aspect of the embodiment of the present invention, the oil and gas bucket further includes:

a connecting assembly; the oil filling port is detachably connected with the mounting cavity through the connecting assembly.

As another preferable aspect of the embodiment of the present invention, the connection assembly includes:

connecting threads; the connecting thread is arranged inside the locking cover and is positioned in the mounting cavity;

an external thread; the external thread is arranged outside the oil filling port and is matched with the connecting thread.

According to the pressure-relief oil filler cap for the oil gas barrel of the air compressor, provided by the embodiment of the invention, the locking cap is arranged on the outer side of the oil filler cap, and the pressure-relief hole is formed in the locking cap, so that residual pressure in the oil gas barrel can be discharged from the pressure-relief hole when the pressure-relief oil filler cap is opened, the oil filler cap and the locking cap are prevented from being loosened, the pressure-relief oil filler cap can be prevented from being instantly flicked, and the purpose of safely disassembling the pressure-relief oil filler cap is achieved. The pressure relief oil filler cap is used for the air compressor oil gas barrel, so that the safety of the oil gas barrel during oil filling or maintenance work can be obviously improved, meanwhile, the sealing performance of the oil gas barrel can be effectively improved, the product reliability is improved, and the working efficiency in production and maintenance can be improved. In conclusion, the pressure relief filler cap provided by the embodiment of the invention has the advantages of simple structure, convenience in use, easiness in disassembly, safety, reliability, high practical value and the like.

Drawings

Fig. 1 is a perspective view of a pressure relief filler cap for an air compressor oil-gas barrel according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a pressure relief filler cap for an air compressor oil gas tank according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a pressure relief filler cap for an air compressor oil and gas tank according to an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a fuel filler cap according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a locking cover according to an embodiment of the present invention.

Fig. 6 is a schematic diagram illustrating a locked state of a pressure relief filler cap for an air compressor oil gas tank according to an embodiment of the present invention.

Fig. 7 is a schematic diagram illustrating an opened state of a pressure relief filler cap for an air compressor oil gas tank according to an embodiment of the present invention.

In the figure: 1. a seal member; 2. an oil filling cap; 2-1, a clamping groove; 2-2, limiting steps; 2-3, sealing grooves; 3. a locking cover; 3-1, pressure relief holes; 3-2, connecting threads; 3-3, rolling flower grooves; 4. a clamp spring; 5. an oil filler.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In addition, in the description of the present application, terms used should be construed broadly, and specific meanings of the terms may be understood by those skilled in the art according to actual situations. For example, the term "mounted" as used in this application may be defined as a fixed mounting that is removable or a fixed mounting that is not removable, etc.; the terms "set" and "provided" as used herein may be defined as either a contact or a non-contact arrangement, etc.; the terms "connected" and "coupled" as used herein may be defined as a fixed mechanical connection such as welded, riveted, bolted, interference fit, or as a movable mechanical connection such as hinged, connected through bearings, etc.; all the terms of orientation used are used with reference to the drawings or are based on the direction defined by the actual situation and the common general knowledge.

In one embodiment of the present invention, as illustrated in fig. 1, there is provided a pressure relief filler cap for an air compressor cylinder, comprising:

an oil filler cap 2;

a locking cover 3; the locking cover 3 is provided with a pressure relief hole 3-1; the oil filling cover 2 is connected with the locking cover 3 and penetrates through the locking cover 3; an installation cavity for connecting an oil-gas barrel is formed between the oil filling cover 2 and the locking cover 3; the pressure relief hole 3-1 is communicated with the mounting cavity;

the anti-falling assembly is used for preventing the locking cover 3 from being separated from the oil filling cover 2.

In practical application, the oil filling cover 2 is a cylindrical structure, and the general structure of the oil filling cover can be similar to that of the existing common oil and gas barrel oil filling cover; the locking cover 3 is a hollow cylindrical structure, and the outer side of the locking cover can be processed with a fillet; the inner diameter of the locking cover 3 is larger than the diameter of the oil filling cover 2, and the oil filling cover 2 is arranged in the locking cover 3, so that an installation cavity of an annular structure is formed by the outer wall of the oil filling cover 2 and the inner wall of the locking cover 3; it should be noted that the bottom of the oil filling cap 2 is higher than the bottom of the locking cap 3, that is, the depth of the oil filling cap 2 extending into the locking cap 3 is less than the height of the installation cavity; in addition, the pressure relief hole 3-1 is located at a position above the installation cavity.

According to the embodiment of the invention, the locking cover 3 is arranged on the outer side of the oil filling cover 2, and the pressure relief hole 3-1 is arranged on the locking cover 3, so that when the pressure relief oil filling cover is opened, residual pressure in the oil gas barrel can be discharged from the pressure relief hole 3-1, and the oil filling cover 2 and the locking cover 3 are prevented from being loosened, and thus the pressure relief oil filling cover can be prevented from being instantly flicked, and the purpose of safely disassembling the pressure relief oil filling cover is achieved.

As shown in fig. 2 to 4, in a preferred embodiment of the present invention, the drop prevention assembly includes:

a clamping groove 2-1; the clamping groove 2-1 is arranged on the oil filling cover 2;

a clamp spring 4; the clamp spring 4 is arranged in the clamping groove 2-1;

2-2 parts of a limiting step; the limiting step 2-2 is arranged on the oil filling cover 2; the locking cover 3 is provided with an annular bulge; the annular bulge is arranged between the clamp spring 4 and the limiting step 2-2.

Specifically, the clamping groove 2-1 and the limiting step 2-2 are both of annular structures; the bottom end of the locking cover 3 is provided with an annular bulge which is bulged inwards; the annular bulge is clamped between the clamp spring 4 and the limiting step 2-2 and is attached to the outer wall of the oil filling cover 2; the clamp spring 4 can be detachably arranged in the clamp groove 2-1; it should be noted that, the annular protrusion and the locking cover 3 may be integrally formed, but not limited thereto. Through the arrangement of the clamp spring 4 and the limiting step 2-2, the annular bulge on the locking cover 3 can be stably clamped on the oil filling cover 2, so that the phenomenon that the oil filling cover 2 and the locking cover 3 are loosened can be prevented.

In another preferred embodiment of the present invention, as shown in fig. 2 and 5, the locking cap 3 is provided with a non-slip portion on the outside.

Specifically, the anti-slip part may be a rough surface or an outwardly convex prism structure or an inwardly concave groove, etc., but is not limited thereto.

In another preferred embodiment of the present invention, as shown in fig. 5, the non-slip part includes a knurled groove 3-3; the knurling groove 3-3 is arranged on the outer wall of the locking cover 3.

Specifically, the knurling groove 3-3 can be formed by knurling the outer wall of the locking cover 3; the depth of the knurling grooves 3-3 can be controlled to be between 0.5 mm and 1.5mm, but the knurling grooves are not limited to the depth; through the arrangement of the knurling grooves 3-3, the effects of increasing friction force and preventing skid can be achieved, and therefore the pressure relief oil filler cap can be conveniently installed on the oil gas barrel.

In another preferred embodiment of the present invention, as shown in fig. 2 to 4, the pressure relief filler cap further includes:

and the sealing assembly is used for forming a sealing structure between the oil filling cover 2 and the oil gas barrel.

Specifically, the seal assembly includes:

2-3 of a sealing groove; the sealing groove 2-3 is arranged on the oil filling cover 2 and is positioned in the mounting cavity;

a sealant 1 having elasticity; the sealant 1 is arranged in the sealing grooves 2-3; the sealing glue 1 and the sealing grooves 2-3 are both of annular structures.

In practical application, the sealant 1 can be a sealing ring made of rubber, but is not limited thereto; in addition, the width of the sealant 1 is greater than the depth of the sealing grooves 2-3; through sealed setting of gluing 1, can be in the installation back of release filler cap for sealed glue forms seal structure between 1 and the oil gas bucket, with the leakproofness that improves the oil gas bucket.

In another embodiment of the present invention, there is also provided a hydrocarbon barrel comprising:

a barrel body; the barrel body is provided with an oil filling port 5;

the pressure relief oil filler cap; the pressure relief oil filler cap is connected with the oil filler opening 5.

In practical application, the structure of the barrel body can be the same as that of the oil gas barrel body of the common air compressor in the prior art, and the detailed description is omitted here.

In another preferred embodiment of the present invention, as shown in fig. 5 to 7, the oil-gas barrel further includes:

a connecting assembly; the oil filling port 5 is detachably connected with the mounting cavity through the connecting assembly.

Specifically, the coupling assembling includes:

3-2 of connecting threads; the connecting thread 3-2 is arranged inside the locking cover 3 and is positioned in the mounting cavity;

an external thread; the external thread is arranged outside the oil filling port 5 and is matched with the connecting thread 3-2.

In practical application, the whole inner wall of the locking cover 3 can be provided with a connecting thread 3-2. In addition, the use method of the oil and gas barrel comprises the following steps: after lubricating oil is added into an oil-gas barrel of the air compressor, covering the pressure-relief oil-filling port cover on an oil-gas barrel oil-filling port 5, and screwing a locking cover 3 by hand to enable a connecting thread 3-2 inside the oil-gas barrel to be in threaded connection with an external thread outside the oil-filling port 5, and simultaneously driving the oil-filling port cover 2 to enter the oil-filling port 5, so that the oil-filling port 5 is positioned in a mounting cavity formed between the oil-filling port 2 and the locking cover 3, and a sealing structure is formed between the sealing glue 1 and the inner wall of the oil-filling port 5; when the oil filling port 5 of the air compressor oil-gas barrel needs to be opened for filling oil, the locking cover 3 is slowly unscrewed by hand, after the sealant 1 is separated from the inner wall of the oil filling port 5, the residual pressure in the oil-gas barrel can be discharged through the pressure relief hole 3-1 on the locking cover 3, at the moment, the locking cover 3 is in threaded connection with the oil filling port 5 and cannot be loosened, and the clamp spring 4 arranged at the upper end of the pressure relief oil filling port cover is clamped on the oil filling cover 2 and cannot be loosened; then, the locking cover 3 is continuously unscrewed, and the whole pressure relief oil filler cover can be safely removed.

In summary, the conventional oil filler cap disassembly method needs to use tools such as a monkey wrench for disassembly, and when the oil filler cap is to be disassembled, the oil filler cap can be popped open instantly by the residual pressure in the oil gas barrel, which may cause injury to operators; in contrast, the pressure relief filler cap provided by the embodiment of the invention can completely avoid the occurrence of safety accidents, and the disassembly and the assembly do not need to use any tool, thereby bringing great convenience to maintenance personnel.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.