Pump outlet flow adjusting device capable of relieving pressure and preventing bursting

Abstract

The utility model discloses a pressure relief anti-burst pump outlet flow adjusting device which comprises a flow adjusting body, the lower end of the flow adjusting body is fixedly connected with a set of connecting ends capable of being connected with the end of a pump body in a sealed mode, and the right end of the flow adjusting body is fixedly connected with a set of output ends capable of being connected with a pipeline in a sealed mode. The flow meter is characterized in that a group of rotating switches capable of controlling a flow switch are rotatably arranged on the outer side of one end of the connecting end, a group of flow rotating sleeves are rotatably arranged on the rear side of the output end, and a group of flow display meters capable of displaying the flow are fixed to the top of the output end. According to the pressure-relief anti-burst pump outlet flow adjusting device, the pressure relief assembly is arranged, the pressure relief assembly is connected with the interior of the flow adjusting body through the pressure relief pipe, released pressure can flow into the pressure relief assembly through the pressure relief pipe, flow dividing treatment is carried out through the pressure relief opening, the pressure can be divided, and the phenomenon that the pressure relief opening is burst is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field related to flow regulation, in particular to a pressure-relieving and explosion-proof pump outlet flow regulating device. Background Art

[0002] The pump outlet flow control device is a device used to control the flow of liquid or gas in the pipeline. It is usually installed at the pump outlet to regulate the flow and also help maintain the pressure stability of the system. Its working principle is mainly to change the flow of the fluid in the pipeline by adjusting the opening degree of the valve. There are many types of existing pump outlet flow control devices, such as:

[0003] Publication number CN214145865U discloses a pump outlet flow regulating device, which is installed on the outer wall pipe of the oil outlet channel of the pump to regulate the flow. The handheld part is manually rotated to drive the moving rod to move left and right to control the flow. The structure is simple, convenient and fast, space-saving and cost-reduced. However, when the flow regulating device is turned on, the pressure in the pipeline and the regulating device is relatively high. When the pressure is too high, the pressure relief port of the regulating device will burst, and in severe cases, the regulating device will be damaged.

[0004] Therefore, we proposed a pressure relief and explosion-proof pump outlet flow regulating device which can solve the above problems well. Utility Model Content

[0005] The purpose of the utility model is to provide a pressure-relieving and burst-proof pump outlet flow regulating device to solve the problem raised by the above-mentioned background technology that when the flow regulating device currently on the market is opened, the pressure in the pipeline and the regulating device is relatively large. When the pressure is too large, the pressure relief port of the regulating device may burst, and in severe cases, the regulating device may be damaged.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure relief and explosion-proof pump outlet flow regulating device, comprising a flow regulating body, a lower end of which is fixedly connected to a group of connection ends that can be sealably connected to the end of a pump body, and a right end of which is fixedly connected to a group of output ends that can be sealably connected to a pipeline;

[0007] Also includes:

[0008] A set of rotary switches capable of controlling the flow switch is rotatably arranged on the outer side of one end of the connection end, a set of flow rotary sleeves is rotatably arranged on the rear side of the output end, and a set of flow display meters capable of displaying the flow size is fixed at the top position of the output end;

[0009] A group of pressure relief pipes are connected to the bottom of the flow regulating body, and the bottom of the pressure relief pipes is connected to the top of the pressure relief component. Four groups of pressure relief ports for pressure relief are opened at the bottom of the pressure relief component.

[0010] As a preferred technical solution of the present application, a group of connecting tubes that can be sealed and connected to the bottom of the pressure relief pipe are opened inside the pressure relief component, a group of accommodating tubes are fixed inside the connecting tubes, a group of connecting springs are fixed inside the accommodating tubes, the bottom position of the connecting springs is fixed to the bottom of the moving rod, the bottom of the moving rod is fixed to the top position of the piston block, and the bottom position of the piston block is fitted to the inner side of the retaining ring, so that the coordinated setting of the pressure relief component and the pressure relief port can perform diversion processing, reduce the pressure of the pressure relief port, and prevent the pressure relief port from bursting due to pressure relief.

[0011] As a preferred technical solution of the present application, the bottom position of the connecting pipe is forked into four groups, and the channels connecting the four groups at the bottom of the connecting pipe are connected to the four groups of pressure relief ports. The pressure at the pressure relief ports can be reduced through the forked setting.

[0012] As a preferred technical solution of the present application, the inner side of the retaining ring is conically configured, and a sealing gasket is provided at one end of the retaining ring that contacts the piston block, so that the retaining ring and the piston block can be sealed and fitted.

[0013] As a preferred technical solution of the present application, the top diameter distance of the accommodating tube is smaller than the diameter distance of the pipe formed by the bifurcation of the connecting tube, and the piston block forms a sliding structure with the accommodating tube through a connecting spring, so that the piston block can slide stably inside the connecting tube.

[0014] As a preferred technical solution of the present application, the outer side of the flow rotating sleeve extends out of the outer end of the flow regulating body, one end of the flow rotating sleeve extends into the flow cavity opened inside the flow regulating body and is threadedly connected with a group of threaded connecting blocks, and a group of adjusting plugs are fixed to the outer side of the threaded connecting block, which can adjust the size of the flow and display the flow through a flow display meter.

[0015] As a preferred technical solution of the present application, the regulating plug is conical in shape, and the outer side of the regulating plug fits into the inner side of the circulation cavity, so that the regulating plug can slide stably inside the circulation cavity.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the pressure relief and burst-proof pump outlet flow regulating device is provided with a pressure relief component, which is connected to the inside of the flow regulating body through a pressure relief pipe. During the pressure relief, the pressure can flow to the inside of the pressure relief component through the pressure relief pipe, and the pressure will be diverted through the pressure relief port to prevent the pressure relief port from bursting. The specific contents are as follows:

[0017] 1. A pressure relief pipe is provided. The pressure relief pipe provided at the bottom of the flow regulating body can be used to transport the pressure to the inside of the pressure relief assembly through the pressure relief pipe. The connecting pipe provided inside the pressure relief assembly is diverted to the inside of the four groups of pressure relief ports. The pressure relief port can be used for transportation when the pressure is diverted, thereby preventing the pressure relief port from bursting.

[0018] Furthermore, a moving rod is provided, and a piston block provided at the bottom of the moving rod can make the piston block slide inside the retaining ring, so that the pressure can flow;

[0019] Furthermore, a receiving tube is provided, a group of connecting springs are fixed inside the receiving tube, and the moving rod can slide inside the receiving tube through the connecting springs, and can be continuously used to relieve pressure through the pressure relief port;

[0020] 2. A flow rotating sleeve is provided. By rotating the flow rotating sleeve, the flow rotating sleeve can drive the threaded connection block and the adjusting plug to move, and the other end of the adjusting plug can slide inside the flow cavity, so as to adjust the flow inside the flow cavity, and the flow is displayed through a flow display meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 This is a rear view structural diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the flow regulating body of the utility model;

[0024] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0025] Figure 5 This is a schematic diagram of the main cross-sectional structure of the pressure relief component of the utility model;

[0026] Figure 6 This is a schematic diagram of the main cross-sectional structure of the housing tube of the utility model.

[0027] In the figure: 1. flow regulating body; 2. connecting end; 3. output end; 4. rotary switch; 5. flow rotating sleeve; 6. flow display meter; 7. flow chamber; 8. threaded connection block; 9. regulating plug; 10. pressure relief pipe; 11. pressure relief assembly; 12. connecting pipe; 13. containing pipe; 14. connecting spring; 15. moving rod; 16. piston block; 17. retaining ring; 18. pressure relief port. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0030] Embodiment 1: In order to solve the problem that when the flow regulating device on the market is opened, the pressure in the pipeline and the regulating device is relatively high, and the pressure is too high, which may cause the pressure relief port 18 of the regulating device to burst, and in severe cases, may cause the regulating device to be damaged, please refer to the attached Figure 1 , Attachment Figure 5 and attached Figure 6The flow regulating body 1 includes a flow regulating body 1, the lower end of which is fixedly connected with a group of connection ends 2 that can be sealably connected to the end of the pump body, and the right end of which is fixedly connected with a group of output ends 3 that can be sealably connected to the pipeline; and the flow regulating body 1 also includes: a group of pressure relief pipes 10 are connected to the bottom of the flow regulating body 1, and the bottom of the pressure relief pipes 10 are connected to the top of the pressure relief assembly 11, and the bottom of the pressure relief assembly 11 is provided with four groups of pressure relief ports 18 that can relieve pressure. A group of connecting pipes 12 that can be sealably connected to the bottom of the pressure relief pipe 10 are provided inside the pressure relief assembly 11, a group of accommodating pipes 13 are fixed inside the connecting pipes 12, a group of connecting springs 14 are fixed inside the accommodating pipes 13, the bottom of the connecting springs 14 are fixed to the bottom of the moving rod 15, the bottom of the moving rod 15 is fixed to the top of the piston block 16, and the bottom of the piston block 16 is fitted to the inner side of the retaining ring 17. The bottom of the connecting pipe 12 is bifurcated into four groups, and the channels connecting the four groups at the bottom of the connecting pipe 12 are connected to the four groups of pressure relief ports 18. The inner side of the retaining ring 17 is conical, and a sealing gasket is provided at one end of the retaining ring 17 that contacts the piston block 16. The top diameter distance of the accommodating pipe 13 is smaller than the diameter distance of the pipeline formed by the bifurcation of the connecting pipe 12, and the piston block 16 forms a sliding structure with the accommodating pipe 13 through the connecting spring 14. In order to carry out pressure relief, by opening the rotary switch 4 and the flow rotary sleeve 5, the internal pressure of the flow regulating body 1 will flow through the pressure relief pipe 10, and the pressure is transported to the inside of the pressure relief component 11 through the pressure relief pipe 10. In addition, a connecting pipe 12 is provided inside the pressure relief component 11, and the lower position of the connecting pipe 12 is arranged to be connected by a fork. At this time, a accommodating tube 13 is fixed inside the forked hole of the connecting pipe 12, and the pressure will also move the position of the bottom of the piston block 16. At this time, the piston block 16 will move downward, and the piston block 16 will move the rod 15 to drive the connecting spring 14 to slide inside the accommodating tube 13, so that the four groups of moving rods 15 are deformed. In addition, after the pressure is released through the pressure relief port 18, the connecting spring 14 drives the piston block 16 to be close to the inner position of the retaining ring 17, and the anti-slip gasket provided can ensure the sealing effect to prevent leakage.

[0031] Embodiment 2: In order to better use the flow regulating body 1, please refer to the attached Figure 1 -Attached Figure 4, a set of rotary switches 4 for controlling the flow switch are rotatably arranged on the outer side of one end of the connection end 2, a set of flow rotary sleeves 5 are rotatably arranged on the rear side of the output end 3, and a set of flow display meters 6 for displaying the flow size are fixed on the top of the output end 3; the outer side of the flow rotary sleeve 5 extends out of the outer end of the flow regulating body 1, and one end of the flow rotary sleeve 5 extends into the flow cavity 7 opened inside the flow regulating body 1 and is threadedly connected with a set of threaded connection blocks 8, and a set of regulating plugs 9 are fixed on the outer side of the threaded connection blocks 8. The regulating plugs 9 are in a conical shape, and the outer side of the regulating plugs 9 fits the inner side of the flow cavity 7. After the flow regulating body 1 is docked with the pump body and the pipeline, the connection between the flow regulating body 1 and the pump body can be connected by rotating the rotary switch 4, and the rotation of the set flow rotary sleeve 5 can make the flow rotary sleeve 5 drive the threaded connection threaded connection block 8 to mobilize the regulating plug 9 to move inside the flow cavity 7, at this time, the flow size can be adjusted, and the flow will also be specifically displayed through the flow display meter 6.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pressure relief and explosion-proof pump outlet flow regulating device, comprising a flow regulating body (1), the lower end of the flow regulating body (1) is fixedly connected to a group of connection ends (2) that can be sealably connected to the end of a pump body, and the right end of the flow regulating body (1) is fixedly connected to a group of output ends (3) that can be sealably connected to a pipeline; It is characterized in that Also includes: A set of rotary switches (4) capable of controlling the flow switch is rotatably arranged on the outer side of one end of the connection end (2), a set of flow rotary sleeves (5) is rotatably arranged on the rear side of the output end (3), and a set of flow display meters (6) capable of displaying the flow size is fixed on the top of the output end (3); A group of pressure relief pipes (10) are connected to the bottom of the flow regulating body (1), and the bottom of the pressure relief pipes (10) is connected to the top of the pressure relief component (11). The bottom of the pressure relief component (11) is provided with four groups of pressure relief ports (18) capable of relieving pressure.

2. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 1, characterized in that: The pressure relief assembly (11) is provided with a group of connecting tubes (12) which can be sealed and connected to the bottom of the pressure relief pipe (10); a group of accommodating tubes (13) are fixed inside the connecting tubes (12); a group of connecting springs (14) are fixed inside the accommodating tubes (13); the bottom of the connecting springs (14) is fixed to the bottom of the moving rod (15); the bottom of the moving rod (15) is fixed to the top of the piston block (16); and the bottom of the piston block (16) is fitted to the inner side of the retaining ring (17).

3. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 2, characterized in that: The bottom of the connecting pipe (12) is bifurcated into four groups, and the channels bifurcated at the bottom of the connecting pipe (12) connecting the four groups are connected to the four groups of pressure relief ports (18).

4. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 2, characterized in that: The inner side of the retaining ring (17) is conical, and a sealing gasket is provided at one end of the retaining ring (17) that contacts the piston block (16).

5. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 2, characterized in that: The top diameter distance of the accommodating tube (13) is smaller than the diameter distance of the pipeline formed by bifurcation of the connecting tube (12), and the piston block (16) forms a sliding structure with the accommodating tube (13) through the connection spring (14).

6. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 1, characterized in that: The outer side of the flow rotating sleeve (5) extends out of the outer end of the flow regulating body (1), one end of the flow rotating sleeve (5) extends into a flow cavity (7) provided inside the flow regulating body (1) and is threadedly connected to a group of threaded connection blocks (8), and a group of regulating plugs (9) are fixed to the outer side of the threaded connection blocks (8).

7. A pressure relief and explosion-proof pump outlet flow regulating device according to claim 6, characterized in that: The regulating plug (9) is in the shape of a cone, and the outer side of the regulating plug (9) fits in the inner side of the flow cavity (7).

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