CN220016202U

CN220016202U - Novel overflow valve

Info

Publication number: CN220016202U
Application number: CN202321725739.XU
Authority: CN
Inventors: 谢振东; 梁向阳; 刘元成; 梁一鸣
Original assignee: Weihai Chongding Utopia Intelligent Equipment Co ltd
Current assignee: Weihai Chongding Utopia Intelligent Equipment Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2023-11-14
Anticipated expiration: 2033-07-04

Abstract

The utility model relates to the technical field of overflow valves, in particular to a novel overflow valve, which comprises a valve body, wherein a bottom port of the valve body is provided with a mounting thread, the mounting thread is screwed into a threaded hole formed in a clamping sleeve, a fluid inlet communicated with an inner cavity of the valve body is formed in the bottom end of the valve body, an adjusting body is inserted into a top port of the valve body, a valve core is connected to the bottom end of the adjusting body through a spring, a ball body rolls on the bottom of the inner cavity of the valve body, the bottom of the inner cavity of the valve body is of a concave conical structure, the sealing tightness of the ball body on the fluid inlet can be ensured, meanwhile, the ball body is movably arranged in the inner cavity of the valve body, so that the ball body rolls in the inner cavity of the valve body, the contact point with the concave conical wall is continuously converted, the problem of abrasion caused by single point contact is avoided, the service life is prolonged, the outer wall of the adjusting body is in threaded connection with the inner wall of the top port of the inner wall of the inner cavity of the valve body, and the pressure of the valve core is controlled by changing the spring pressure through torsion of the adjusting body in use.

Description

Novel overflow valve

Technical Field

The utility model relates to the technical field of overflow valves, in particular to a novel overflow valve.

Background

The overflow port direction of the common overflow valve is limited to a certain extent, the common overflow valve cannot be directly connected with the clamping sleeve, the structure size is large, the connection position is limited, and meanwhile, the common overflow valve cannot bear the use situation of high-pressure fluid, so that a novel overflow valve is needed.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the scheme provides a novel overflow valve, which is realized by the following specific technical means: the valve body is characterized in that a mounting thread is arranged at the bottom end opening of the valve body, the valve body is screwed into a threaded hole formed in a clamping sleeve through the mounting thread, so that a fluid system is accessed, a fluid inlet communicated with an inner cavity of the valve body is formed in the bottom end of the valve body, an adjusting body is inserted into a top opening of the valve body, a valve core is connected to the bottom end of the adjusting body through a spring, a ball body rolls on the bottom of the inner cavity of the valve body, the valve core pushes the ball body to the bottom of the inner cavity of the valve body to seal the fluid inlet under the pushing of the spring, the bottom of the inner cavity of the valve body is of a concave conical structure, the sealing performance of the ball body to the fluid inlet can be ensured, meanwhile, the ball body rolls in the inner cavity of the valve body due to the fact that the ball body is movably arranged in the inner cavity of the valve body, the ball body continuously changes a contact point with the concave conical wall, the abrasion problem caused by single point contact is avoided, the service life is prolonged, the effective sealing is realized, and the outer wall of the adjusting body is in screwed connection with the top opening of the inner wall of the valve body.

The first preferred technical scheme is as follows: the valve core is arranged in the inner cavity of the valve body in a sliding mode, the bottom side of the valve core is provided with an inverted conical groove, and the ball body is located on the inner side of the inverted conical groove to ensure that the ball body cannot be separated from control of the valve core.

And the second preferred technical scheme is as follows: the valve core is provided with a through hole, the adjusting body is of a cylinder structure with two open ends, when the pressure in the fluid system is overlarge, the pressure of the fluid is larger than the pressing force of the spring on the ball body, so that the fluid pushes up the ball body to be away from the fluid inlet, and at the moment, the fluid can enter the inner cavity of the valve body and overflows from the top through the through hole and the inner cavity of the adjusting body.

And the preferred technical scheme is as follows: the periphery of the adjusting body is embedded with a first sealing ring, and the first sealing ring is in sealing contact with the inner cavity of the valve body.

The preferable technical scheme is as follows: the sealing ring II is embedded on the top end face of the valve body, the adjusting body is sleeved with an internal thread sealing sleeve, and the internal thread sealing sleeve is screwed down along the adjusting body and then pressed on the sealing ring II.

Adopt above-mentioned structure to make this scheme possess following beneficial effect:

1. the valve is simple and compact in structure, the lower end of the valve body is screwed into the fluid system, when the fluid pressure in the system reaches a set value, fluid can overflow from an upper port and be decompressed, the spring pressure is changed through the torsion adjusting body to control the valve core pressure in use, the valve is attractive in appearance, convenient to adjust, high in reliability and not easy to leak, the valve core directly presses the steel ball to seal the fluid inlet, the pressure is set, the valve is locked through the internal thread sealing sleeve, the sealing sleeve is provided with a second sealing ring serving as a second sealing, and the first sealing ring is a first sealing;

2. the lower end of the inner cavity of the valve core is of an inner cone type and an outer cone type, a guide hole is arranged on the outer cone surface and is communicated with a middle hole of the valve core, fluid can be communicated with an upper benzyl when the valve core is lifted to form an overflow channel, the inner cone of the valve core is used for limiting the movable range of the steel ball, and the steel ball cannot fall off even if the valve body is placed down for installation;

3. the steel ball seal not only can provide a larger contact area, but also can rotate for transposition contact, so that the service life is prolonged better than that of the cone seal, and the maintenance cost is reduced;

4. the overflow outlet is upward, the direction is not constrained when connecting the pipelines, and the overflow outlet can be directly connected through a clamping sleeve.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present solution;

FIG. 2 is a front view of the present embodiment

FIG. 3 is a cross-sectional view of the present embodiment A-A;

FIG. 4 is a sectional view of the embodiment B-B.

The valve comprises a valve body 1, a valve body 2, a fluid inlet 3, an adjusting body 4, a valve core 5, a spring 6, a steel ball 7, an inverted conical groove 8, a through hole 9, a first sealing ring 10, a second sealing ring 11 and an internal thread sealing sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the novel overflow valve comprises a valve body 1, wherein a mounting thread is arranged at the bottom end opening of the valve body 1, the valve body 1 is screwed into a threaded hole formed in a clamping sleeve through the mounting thread, a fluid inlet 2 communicated with an inner cavity of the valve body 1 is formed in the bottom end of the valve body 1, an adjusting body 3 is inserted into the top opening of the valve body 1, the outer wall of the adjusting body 3 is screwed with the top opening inner wall of the inner cavity of the valve body 1, a valve core 4 is connected with the bottom end of the adjusting body 3 through a spring 5, a steel ball 6 rolls at the bottom of the inner cavity of the valve body 1, the valve core 4 pushes the steel ball 6 to the bottom of the inner cavity of the valve body 1 under the pushing of the spring 5 to seal the fluid inlet 2, the bottom of the inner cavity of the valve body 1 is of a concave conical structure, and the fluid inlet 2 is positioned at the lowest position of the concave cone of the valve body 1.

Referring to fig. 3-4, in the novel overflow valve, a valve core 4 is slidably arranged in an inner cavity of a valve body 1, an inverted cone groove 7 is formed in the bottom side of the valve core 4, and a steel ball 6 is positioned on the inner side of the inverted cone groove 7; the valve core 4 is provided with a through hole 8, the bottom end of the valve core 4 is of a convex conical structure, the bottom end of the through hole 8 is arranged on a convex conical inclined plane, the inverted conical groove 7 is arranged at the center of the bottom end of the valve core 4, and the adjusting body 3 is of a cylinder structure with two open ends.

Referring to fig. 4, in the novel overflow valve, a first sealing ring 9 is embedded on the periphery of the adjusting body 3, and the first sealing ring 9 is in sealing contact with the inner cavity of the valve body 1.

Referring to fig. 4, in the novel overflow valve, a second sealing ring 10 is embedded on the top end surface of the valve body 1, an internal thread sealing sleeve 11 is sleeved on the adjusting body 3, and the internal thread sealing sleeve 11 is screwed down along the adjusting body 3 and then pressed on the second sealing ring 10.

The specific use process of the novel overflow valve comprises the following steps: when the pressure of the fluid in the system reaches a set value, the fluid can overflow and decompress from an upper port, the pressure of a spring 5 is changed through twisting an adjusting body 3 to control the pressure of a valve core 4 in use, the valve core 4 directly presses a steel ball 6 to seal a fluid inlet 2, the pressure is well set and then is locked through an internal thread sealing sleeve 11, when the pressure in the fluid system is overlarge, the pressure of the fluid is greater than the pressing force of the spring 5 on the steel ball, so that the fluid pushes up the steel ball to be far away from the fluid inlet 2, and at the moment, the fluid can enter the inner cavity of the valve body 1 and overflows from the top through a through hole 8 and the inner cavity of the adjusting body 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel overflow valve, its characterized in that: including valve body (1), the bottom port of valve body (1) is provided with the mounting thread, twists through the mounting thread and installs in the screw hole on the cutting ferrule, fluid entry (2) with valve body (1) inner chamber intercommunication have been seted up to valve body (1) bottom, valve body (1) top has inserted regulator (3), the spiro union between regulator (3) outer wall and valve body (1) inner chamber top inner wall, regulator (3) bottom is connected with case (4) through spring (5), valve body (1) inner chamber bottom rolls there is the spheroid, case (4) promote spheroid to valve body (1) inner chamber bottom shutoff fluid entry (2) under the promotion of spring (5), valve body (1) inner chamber bottom is indent toper structure, fluid entry (2) are located valve body (1) indent toper minimum.

2. The novel overflow valve of claim 1, wherein: the valve core (4) is arranged in the inner cavity of the valve body (1) in a sliding mode, an inverted conical groove (7) is formed in the bottom side of the valve core (4), and the ball body is located on the inner side of the inverted conical groove (7).

3. The novel overflow valve according to claim 2, wherein: the valve core (4) is provided with a through hole (8), and the adjusting body (3) is of a cylinder structure with two open ends.

4. A novel overflow valve as claimed in claim 3, wherein: the bottom end of the valve core (4) is of a convex conical structure, the bottom end of the through hole (8) is arranged on a convex conical inclined plane, and the inverted conical groove (7) is arranged at the center of the bottom end of the valve core (4).

5. The novel overflow valve of claim 1, wherein: the valve is characterized in that a first sealing ring (9) is arranged outside the adjusting body (3) Zhou Qian, and the first sealing ring (9) is in sealing contact with the inner cavity of the valve body (1).

6. The novel overflow valve of claim 1, wherein: the sealing ring II (10) is embedded on the top end face of the valve body (1), the adjusting body (3) is sleeved with the internal thread sealing sleeve (11), and the internal thread sealing sleeve (11) is screwed down along the adjusting body (3) and then pressed on the sealing ring II (10).

7. The novel overflow valve of claim 1, wherein: the sphere is a steel ball (6).