CN214917163U

CN214917163U - Fixed spraying ball

Info

Publication number: CN214917163U
Application number: CN202120916033.6U
Authority: CN
Inventors: 李汝佳; 冯路; 闻小东; 陈学明
Original assignee: SHANGHAI MORIMATSU PHARMACEUTICAL EQUIPMENT ENGINEERING CO LTD
Current assignee: SHANGHAI MORIMATSU PHARMACEUTICAL EQUIPMENT ENGINEERING CO LTD
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-30
Anticipated expiration: 2031-04-29

Abstract

The utility model provides a fixed ball that sprays, including hollow spherical shell (10), spherical shell (10) are the rotator, a serial communication port, spherical shell (10) are the lantern type, spherical shell (10) include spherical shell (11) and lower spherical shell (12), the upper end of going up spherical shell (11) forms straight tube (111), stretch pipe (20) in being used for connecting straight tube (111) process in the cross-section of the central axis (A) of spherical shell (10), it includes first circular arc section (112) to go up spherical shell (11), centre of a circle (O1) of first circular arc section (112) is located in spherical shell (10), and be located being close to of central axis (A) one side of first circular arc section (112). According to the utility model discloses a fixed ball that sprays trompil easily, self-cleaning ability reinforce, difficult hydrops.

Description

Fixed spraying ball

Technical Field

The utility model relates to a spray the ball, especially a fixed ball that sprays.

Background

With the development of the bio-pharmaceutical technology, the spray ball is widely applied to the cleaning of pharmaceutical tank bodies, and the fixed spray ball is favored by consumers due to the advantages of energy conservation, safety, reliability, economy and the like.

The hole opening on the spray ball requires no burrs in the hole, which requires high rotation speed of the drill bit and the drilling direction needs to be along the normal direction of the ball body, so that the risk of drill bit fracture is minimum. At present, the conventional fixed spray ball is mainly spherical and boss, and the traditional spray ball has the problems of limited hole opening area, high hole opening difficulty, blind cleaning area, weak self-cleaning capability, easy liquid accumulation, inconvenience in welding and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome or at least alleviate one or more not enough of above-mentioned prior art existence, provide a fixed ball that sprays.

The fixed spray ball according to an aspect of the present invention comprises a hollow ball shell, which is a rotating body,

the spherical shell is in a lantern shape and comprises an upper spherical shell and a lower spherical shell, a straight pipe is formed at the upper end of the upper spherical shell and is used for connecting an inner extension pipe,

the passing through in the cross-section of the central axis of spherical shell, go up the spherical shell and include first circular arc section, the centre of a circle of first circular arc section is located in the spherical shell, and is located central axis is close to one side of first circular arc section.

In at least one embodiment, the lower end of the upper spherical shell is formed as a first straight section that is tangent to and directly connected to the first circular arc section, and the upper end of the lower spherical shell is formed as a second straight section that is butt welded together.

In at least one embodiment, the first straight section and the second straight section are cylindrical with the same diameter, and the first straight section and the second straight section are butt-welded together through a flat bevel.

In at least one embodiment, the first and second straight segments have a total length in the direction of the central axis of the spherical shell of 7 to 13 mm.

In at least one embodiment, a plurality of spray holes are arranged on the spherical shell, the spray holes are not arranged in the range of 3.5mm from two sides of the welding line between the first straight section and the second straight section of the spherical shell,

the upper spherical shell and the lower spherical shell are both machined by adopting a turning process.

In at least one embodiment, in the cross-section through the central axis of the spherical shell, the upper spherical shell further comprises a second arc segment, the second arc segment is connected with the straight pipe and the first arc segment, the circle center of the second arc segment is located outside the spherical shell, and the second arc segment is tangent to both the straight pipe and the first arc segment.

In at least one embodiment, in a cross section passing through the central axis of the spherical shell, a normal line of the second circular arc segment tangent to the first circular arc segment intersects with the central axis below the upper spherical shell, and an included angle formed by the normal line of the second circular arc segment tangent to the first circular arc segment and the central axis is not more than 20 °.

In at least one embodiment, in the cross-section of the central axis that passes through the spherical shell, the spherical shell includes the third circular arc section down, the centre of a circle of third circular arc section is located in the spherical shell, and is located the central axis is close to one side of third circular arc section, the third circular arc section with the tangent and the lug connection of second straight section.

In at least one embodiment, the lower end of the lower spherical shell forms a cone having a half cone angle greater than or equal to 30 ° and less than 90 °, the cone being tangential and directly connected to the third arc segment,

the bottom of the cone is provided with a drain hole, and the drain hole is used for draining the cleaning liquid in the spherical shell.

In at least one embodiment, the inner side wall of the straight pipe is provided with a discharge groove extending along the central axis of the spherical shell, and the cleaning liquid in the spherical shell can be sprayed out from the discharge groove so as to clean the outer surface of the inner extension pipe and/or the spherical shell.

Drawings

Fig. 1 is a schematic view of one possible fixed spray ball.

Fig. 2 is a schematic view of one possible fixed spray ball.

Fig. 3 is a schematic view of a fixed spray ball according to an embodiment of the present invention.

Fig. 4 is a schematic view of a fixed spray ball according to an embodiment of the present invention.

Fig. 5 is a schematic view of a fixed shower ball connected to the inner pipe 20 according to an embodiment of the present invention.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a partial enlarged view of a spray ball retaining drain groove 115 according to an embodiment of the present invention.

Description of the reference numerals

10, a spherical shell;

11, mounting a spherical shell; 111 a straight pipe; 112 a first arc segment; 113 a second arc segment; 114 a first straight section; 115 a drain tank; 116 a latch hole;

12, a lower spherical shell; 121 a third arc segment; 122 a second straight section; a cone 123; 124 exhaust holes;

20, extending a pipe inwards;

a central axis; a0 central axis; b, normal line; b0 normal; s, welding a wire; m included angle; m0 included angle; n half cone angles; l total length; o circle center; the center of a circle of O1; o2 circle center.

Detailed Description

Fig. 1 shows a possible spherical spray ball, the center O of which is located on the central axis a0, if a normal opening is to be made, there is a large dead zone of spray above the ball connected to the inner pipe (the minimum angle M0 formed by the central axis a0 and the normal B0), and the area of the opening is limited.

Fig. 2 shows a possible boss type spray ball, which, although capable of being perforated vertically on the boss plane D, is difficult to perforate on the outer edge of the boss plane D, making it easy to perforate the ball. In addition, the upper hemisphere and the lower hemisphere of the boss type spraying ball body are formed by punching thin plates, the overall dimension precision cannot be guaranteed, the boss plane D is likely to have the condition of low inside and high outside, accumulated liquid is easy to generate, and self-cleaning of the ball body is difficult to realize.

Exemplary embodiments of the present invention are described below with reference to fig. 3 to 7. It should be understood that the detailed description is only intended to teach one skilled in the art how to practice the invention, and is not intended to exhaust all possible ways of practicing the invention, nor is it intended to limit the scope of the invention.

The fixed spray ball according to one embodiment of the present invention includes a hollow ball shell 10 of a rotary body, the ball shell 10 is formed by welding an upper ball shell 11 and a lower ball shell 12, a straight pipe 111 is formed at an upper end of the upper ball shell 11, and the straight pipe 111 is used for connecting an inner extension pipe 20. The upper spherical shell 11 and the lower spherical shell 12 can be machined by adopting a turning process, and compared with the traditional machining process of sheet punch forming, the precision of the size of the ball body can be improved, and the leakage amount between the spray ball and the inner extension pipe 20 is reduced.

The problem that welding is inconvenient to exist between the upper hemisphere and the lower hemisphere of the traditional spraying ball. According to the utility model discloses a lower tip of the last spherical shell 11 of fixed ball that sprays forms into first straight section 114, and the upper end of lower spherical shell 12 forms into second straight section 122, and first straight section 114 and second straight section 122 are the cylinder that the diameter is the same, can pass through the butt joint welding of flat bevel together. The arrangement of the first straight section 114 and the second straight section 122 enables automatic welding by a machine in the processing process of the spray ball, so that the welding quality is improved, the efficiency is improved, and the production cost is reduced.

The total length L of the first and second

straight sections

114, 122 in the direction of the central axis a may be 7 to 13 mm. Preferably, the total length L of the first and second

straight sections

114, 122 is 10 mm.

A welding line S is formed at the joint of the first straight section 114 and the second straight section 122, no spraying hole is arranged in the range of 3.5mm on each side of the welding line S (the welding line S is a virtual line without width and is a non-actual welding line) of the spraying ball, and the spraying holes can be arranged in other places as required.

In order to solve the problem that the traditional spray ball body has limited open pore area and large open pore difficulty, in the cross section of the central axis a passing through the spherical shell 10, according to the utility model discloses a fixed spray ball's last spherical shell 11 has first circular arc section 112, and the centre of a circle O1 of first circular arc section 112 is located the spherical shell 10, and is located the one side of the central axis a that is close to first circular arc section 112. The first circular arc segment 112 is tangent to and directly connected to the first straight segment 114. Because the centre of a circle O1 of first circular arc section 112 is closer to first circular arc section 112 for the centre of a circle of traditional ball spheroid that sprays, the minimum contained angle M of the formation of normal B and the central axis A of first circular arc section 112 can be littleer for the minimum contained angle M0 of traditional ball spheroid, and first circular arc section 112 makes the spraying blind area that sprays the ball littleer promptly, and the area of can opening the hole is bigger to can bore the jet orifice that the diameter is littleer, in order to reduce and spray flow.

Preferably, in a cross-section through the central axis a of the spherical shell 10, the smallest angle M between the normal B of the first circular arc segment 112 and the central axis a is not more than 20 °.

In a cross section through the central axis a of the spherical shell 10, the lower spherical shell 12 also has a third circular arc segment 121, and the center O2 of the third circular arc segment 121 is located inside the spherical shell 10 and on the side of the central axis a close to the third circular arc segment 121. The third arc segment 121 is tangent to and directly connected to the second straight segment 122. The third arc segment 121 has the same function as the first arc segment 112, and is not described again.

As shown in fig. 4, circle center O1 and circle center O2 are preferably spaced apart in a direction along axis a. Preferably, the first arc segment 112 and the third arc segment 121 have the same diameter.

In order to solve the problem that the conventional spray ball is difficult to self-clean, referring to fig. 5 to 7, according to the present invention, at least one discharge groove 115 is disposed on the inner side wall of the straight pipe 111 for fixing the spray ball, when the straight pipe 111 connects the inner extension pipe 20, the cleaning liquid can be ejected from the inside of the spherical shell 10 through the discharge groove 115, so as to clean the outer surface of the inner extension pipe 20 and/or the spherical shell 10 connected to the straight pipe 111, thereby realizing self-cleaning. The shape of the discharge groove 115 is not limited, and may be, for example, a semicircular groove, a square groove, an elliptical groove, a triangular groove, etc., as shown in fig. 7.

The straight tube 111 and the first circular arc section 112 can be smoothly connected through the second circular arc section 113, the circle center of the second circular arc section 113 is located outside the spherical shell 10, and the second circular arc section 113 is tangent and directly connected with the straight tube 111 and the first circular arc section 112 respectively to avoid liquid accumulation.

The straight pipe 111 is provided with a bolt hole 116 which is radially arranged, the inner extension pipe 20 is also provided with a corresponding bolt hole, and the straight pipe 111 and the inner extension pipe can be connected through the bolt hole 116 in a bolt mode.

According to the utility model discloses a lower tip of the fixed lower spherical shell 12 that sprays the ball forms cone 123, and the bottom of cone 123 has exhaust hole 124, can be spraying the washing liquid in the ball shell 10 of evacuation after the ball finishes using. The cone 123 is tangent to the third arc segment 121. The half cone angle N of the cone 123 is preferably greater than or equal to 30 ° and less than 90 °, and the smaller the half cone angle N, the faster the evacuation speed of the cleaning liquid in the spherical shell 10.

The utility model discloses at least, one of following advantage has:

(i) the structure shape of the fixed spraying ball of the utility model can facilitate drilling the spraying hole with smaller diameter so as to reduce the spraying flow;

(ii) the fixed spray ball of the utility model has sufficient hole-opening area, which can make the waterline spray to the upper part of the ball shell 10 and the root of the inner extension tube 20, and improve the self-cleaning ability;

(iii) the utility model discloses a fixed first straight section 114 and the straight section 122 of second that spray the ball, the convenient to use is automatic to be welded, improves spheroid welding quality.

(iv) The shape of the fixed spraying ball of the utility model is smooth and transitional, which can avoid the accumulation of liquid on the surface of the ball body;

(v) the fixed spraying ball of the utility model is processed by turning process with high precision, the size precision of the spraying ball is high, the leakage between the spraying ball and the inner extension tube 20 is extremely small, and the loss of the cleaning liquid is reduced;

(vi) the utility model discloses a fixed ball that sprays opens the escape way 115 on upper portion straight tube 111 inside wall, can wash the surface of interior extension pipe and spray the spheroid surface of ball.

It should be understood that the above embodiments are exemplary only, and are not intended to limit the present invention. Various modifications and alterations of the above-described embodiments may be made by those skilled in the art in light of the teachings of the present invention without departing from the scope thereof.

Claims

1. A fixed spray ball comprises a hollow ball shell which is a rotating body, and is characterized in that,

2. The fixed spray ball of claim 1, wherein the lower end of the upper spherical shell is formed as a first straight section that is tangent to and directly connected to the first circular arc section, and the upper end of the lower spherical shell is formed as a second straight section that is butt welded together.

3. The fixed spray ball of claim 2 wherein the first and second straight sections are cylindrical with the same diameter, and the first and second straight sections are butt welded together with a flat bevel.

4. The fixed spray ball of claim 3, wherein the total length of the first and second straight sections in the direction of the central axis of the ball shell is 7mm to 13 mm.

5. The fixed spray ball according to any one of claims 2 to 4, wherein a plurality of spray holes are provided in the spherical shell, the spray holes are not provided in the spherical shell within 3.5mm from both sides of a weld line between the first straight section and the second straight section,

6. The fixed spray ball of any one of claims 1 to 4 wherein, in a cross-section through the central axis of the spherical shell, the upper spherical shell further comprises a second arc segment connecting the straight tube and the first arc segment, the center of the second arc segment is located outside the spherical shell, and the second arc segment is tangent to both the straight tube and the first arc segment.

7. The fixed spray ball of claim 6, wherein, in a cross-section through the central axis of the spherical shell, a normal line at which the second circular arc segment is tangent to the first circular arc segment intersects the central axis below the upper spherical shell, and an included angle formed by a normal line at which the second circular arc segment is tangent to the first circular arc segment and the central axis is not greater than 20 °.

8. The fixed spray ball of any one of claims 2 to 4 wherein, in a cross-section through the central axis of the spherical shell, the lower spherical shell comprises a third circular arc segment, the center of which is located within the spherical shell and on the side of the central axis close to the third circular arc segment, the third circular arc segment being tangent to and directly connected to the second straight segment.

9. The fixed spray ball of claim 8, wherein the lower end of the lower spherical shell forms a cone having a half cone angle greater than or equal to 30 ° and less than 90 °, the cone being tangential and directly connected to the third arc segment,

10. The fixed spraying ball as claimed in any one of claims 1 to 4, wherein the inner side wall of the straight pipe is provided with a discharge groove extending along the central axis of the spherical shell, and the cleaning liquid in the spherical shell can be sprayed out from the discharge groove so as to clean the outer surface of the inner extension pipe and/or the spherical shell.