CN217130182U

CN217130182U - Sewage suction device spring

Info

Publication number: CN217130182U
Application number: CN202220417305.2U
Authority: CN
Inventors: 蔡如文; 甘云秋; 冯雷; 应东旭; 郑加秋; 林永健
Original assignee: Ningbo Xiangshan Habor Aquatic Product Introduction Breeding Co ltd
Current assignee: Ningbo Xiangshan Habor Aquatic Product Introduction Breeding Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-05
Anticipated expiration: 2032-02-28

Abstract

The application discloses dirt suction device spring belongs to dirt suction device part technical field for let the spring radial dimension when being concertina movement not change, thereby promote the stability when spring motion, including rigid ring, socket ring and elastic arm, the rigid ring has two, socket ring has one, two the rigid ring is located socket ring's both ends direction, the both ends of elastic arm respectively with rigid ring with socket ring fixed connection. By designing a new spring structure, the diameter of the spring is not changed when the spring is elastically deformed under the action of an acting force, so that a larger installation space is prevented from being reserved for the spring in a sewage suction pipe non-return structure, the shaking of the spring during working is reduced, and the working stability of the spring is improved; through giving spring design upper and lower two-layer elastic construction, effectively reduced the deformation that takes place when single elastic arm receives the effort, effectively cut the fatigue damage that weak spring received, prolonged the life of spring.

Description

Sewage suction device spring

Technical Field

The application relates to the technical field of sewage suction device parts, in particular to a sewage suction device spring.

Background

In order to prevent the sewage in the sewage suction pipe from flowing reversely when the sewage suction device works, a non-return structure is arranged in the sewage suction pipe, and the non-return structure generally comprises a spring and is used for automatically plugging the sewage suction pipe when negative pressure is lost so as to realize the function of automatically stopping the flow.

However, the existing spring used in the dirt suction device has a problem that the diameter of the spring changes slightly when the spring is compressed or expanded, so that the spring needs to be reserved with a radial size larger than the volume of the spring, and the larger radial size means that the limitation of the part for limiting the movement of the spring on the movement stability of the spring is weakened. To better avoid this problem, a further construction of the dirt pick-up spring is proposed.

Disclosure of Invention

The purpose of this application lies in, lets the radial dimension of spring when doing concertina movement not change to stability when promoting the spring motion.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the sewage suction device spring comprises two rigid rings, a bearing ring and an elastic arm, wherein the two rigid rings and the bearing ring are one, the two rigid rings are located in the directions of two ends of the bearing ring, and two ends of the elastic arm are respectively fixedly connected with the rigid rings and the bearing ring, so that the rigid rings and the bearing ring have elasticity.

Preferably, the elastic arm is divided into a first elastic arm and a second elastic arm, and one side of the bearing ring is fixedly connected with the first elastic arm while the other side is fixedly connected with the second elastic arm.

Preferably, the two rigid rings are a first rigid ring and a second rigid ring, respectively, and the diameter of the first rigid ring is larger than that of the second rigid ring, so that the whole spring has directionality.

As a preferred, first elastic arm keep away from the one end of bearing ring with first rigid ring fixed connection, there is a plurality of first elastic arm's quantity, and is a plurality of first elastic arm winds first rigid ring equidistance is arranged, ensures that the elastic force of all directions is even.

As a preferred, the second elastic arm is kept away from the one end of bearing ring with second rigid ring fixed connection, the quantity of second elastic arm has a plurality of, and is a plurality of the second elastic arm winds second rigid ring equidistance is arranged, further guarantees that the elastic force distributes evenly.

Preferably, the first rigid ring, the bearing ring and the second rigid ring are made of aluminum alloy materials and have high rigidity and corrosion resistance, and the first elastic arm and the second elastic arm are made of corrosion-resistant high-elasticity alloy materials and ensure sufficient elasticity and corrosion resistance.

Preferably, the middle of the bearing ring is provided with a pin limiting hole, and the pin limiting hole penetrates through the upper surface and the lower surface of the bearing ring, so that a limiting pin in the non-return structure can conveniently penetrate through the spring to provide a stable position limiting effect for the spring.

Compared with the prior art, the beneficial effect of this application lies in:

(1) by designing a new spring structure, the diameter of the spring is not changed when the spring is elastically deformed under the action of an acting force, so that a larger installation space is prevented from being reserved for the spring in the sewage suction pipe check structure, the shaking of the spring during working is reduced, and the working stability of the spring is improved;

(2) through giving spring design upper and lower two-layer elastic construction, effectively reduced the deformation that takes place when single elastic arm receives the effort, effectively cut the fatigue damage that weak spring received, prolonged the life of spring.

Drawings

FIG. 1 is a first perspective view of the overall structure of the sewage suction spring;

FIG. 2 is a second perspective view of the overall structure of the sewage suction spring;

FIG. 3 is a schematic view of the connection between the receiving ring and the elastic arm of the sewage suction device spring;

FIG. 4 is a view showing the connection relationship between the first rigid ring and the receiving ring of the sewage suction spring;

FIG. 5 is a view showing the connection relationship between the second rigid ring and the receiving ring of the sewage suction spring.

In the figure: 1. a first rigid ring; 2. a bearing ring; 201. a pin limiting hole; 3. a second rigid ring; 4. a first resilient arm; 5. a second resilient arm.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The sewage suction spring as shown in fig. 1-5 comprises a rigid ring, a receiving ring 2 and an elastic arm, wherein the rigid ring has two parts, the receiving ring 2 has one part, the two rigid rings are positioned at the two ends of the receiving ring 2, the two rigid rings can be directly embedded into a limiting groove of a non-return structure in a sewage suction pipe, the two ends of the elastic arm are respectively fixedly connected with the rigid ring and the receiving ring 2, so that the rigid ring and the receiving ring 2 support have elasticity, the elastic arm is divided into a first elastic arm 4 and a second elastic arm 5, one side of the receiving ring 2 is fixedly connected with the first elastic arm 4, the other side of the receiving ring 2 is fixedly connected with the second elastic arm 5, the two rigid rings are respectively a first rigid ring 1 and a second rigid ring 3, the diameter of the first rigid ring 1 is larger than that of the second rigid ring 3, so that the whole spring has directionality and is suitable for a circular truncated cone-shaped installation space of the non-return structure in the sewage suction pipe, one end of the first elastic arm 4 far away from the receiving ring 2 is fixedly connected with the first rigid ring 1, the quantity of first elastic arm 4 has a plurality of, and a plurality of first elastic arm 4 arranges around 1 equidistance of first rigid ring, and the one end and the 3 fixed connection of second rigid ring of second elastic arm 5 keeping away from the ring 2 that holds, the quantity of second elastic arm 5 has a plurality of, and a plurality of second elastic arm 5 arranges around 3 equidistance of second rigid ring, ensures that the elastic force is even in each angle.

The first rigid ring 1, the bearing ring 2 and the second rigid ring 3 are made of aluminum alloy materials, the rigid ring and the bearing ring 2 are guaranteed to have sufficient rigidity and corrosion resistance, the first elastic arm 4 and the second elastic arm 5 are made of corrosion-resistant high-elasticity alloy materials and have high elasticity and corrosion resistance, the pin limiting hole 201 is formed in the middle of the bearing ring 2, the pin limiting hole 201 penetrates through the upper surface and the lower surface of the bearing ring 2, and a positioning pin for positioning the spring conveniently penetrates through the pin limiting hole.

The installation mode of the sewage suction device spring is as follows: the parts forming the spring are formed independently, the rigid ring and the bearing ring 2 are connected into a whole through the elastic arm in a welding mode to form the complete spring, the installation direction of the spring in the non-return structure is determined during installation, then a limiting pin penetrates through a pin limiting hole 201 of the bearing ring 2, and a shell of the non-return structure is closed along with the situation, the first rigid ring 1 and the second rigid ring 3 can be naturally embedded into a limiting groove of the non-return structure, and the diameter of the first rigid ring 1 and the diameter of the second rigid ring 3 are difficult to change, so that the space for installing the spring in the non-return structure can be just attached to the outer side surface of the spring, when the spring is extruded or stretched, only the elastic arm is subjected to adaptive deformation, the diameter of the spring cannot be changed, and the working stability of the spring in the non-return structure is greatly improved.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. A dirt suction spring, its characterized in that: including rigid ring, accept ring and elastic arm, the rigid ring has two, accepts the ring and has one, two the rigid ring is located the both ends direction of accepting the ring, the both ends of elastic arm respectively with rigid ring and accept ring fixed connection.

2. The soil pick-up spring as recited in claim 1, wherein: the elastic arm is divided into a first elastic arm and a second elastic arm, one side of the bearing ring is fixedly connected with the first elastic arm, and the other side of the bearing ring is fixedly connected with the second elastic arm.

3. The soil pick-up spring as recited in claim 2, wherein: the two rigid rings are respectively a first rigid ring and a second rigid ring, and the diameter of the first rigid ring is larger than that of the second rigid ring.

4. The soil pick-up spring as recited in claim 3, wherein: the first elastic arm is kept away from the one end of bearing ring with first rigid ring fixed connection, the quantity of first elastic arm has a plurality of, and is a plurality of first elastic arm winds first rigid ring equidistance is arranged.

5. The soil pick-up spring as recited in claim 4, wherein: the second elastic arm is kept away from the one end of bearing ring with second rigid ring fixed connection, the quantity of second elastic arm has a plurality of, and is a plurality of the second elastic arm winds second rigid ring equidistance is arranged.

6. The soil pick-up spring as recited in claim 3, wherein: the first rigid ring, the bearing ring and the second rigid ring are made of aluminum alloy materials, and the first elastic arm and the second elastic arm are made of corrosion-resistant high-elasticity alloy materials.

7. The soil pick-up spring as recited in claim 1, wherein: the middle of the bearing ring is provided with a pin limiting hole which penetrates through the upper surface and the lower surface of the bearing ring.