Exhaust device of impeller circulating pump

Abstract

The utility model relates to the technical field of circulating pumps, in particular to an exhaust device of an impeller circulating pump, which comprises an exhaust mechanism arranged on a pump body, the exhaust mechanism comprises an exhaust valve main body and a protection component, and the exhaust valve main body consists of a valve body, a button, a moving rod, a moving block, a first elastic piece and a sealing ring. According to the anti-scalding device, the anti-scalding assembly is prevented from making direct contact with the human body by changing the spraying direction of the high-temperature medium, the spraying direction of the high-temperature medium can be adjusted through the adjusting assembly in the anti-scalding assembly, the high-temperature medium can avoid part of equipment or objects, and therefore the high-temperature medium is prevented from affecting the anti-scalding device; the mistaken touch prevention assembly enables the button to be kept at the preset position and difficult to move, and mistaken touch caused by contact between the button and the circulating pump when many people flow or objects pass through the circulating pump is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to circulating pump technical field, concretely relates to an exhaust device of impeller circulating pump. BACKGROUND

[0002] In the overheated water circulating system, due to the heating and circulation of water, gas may accumulate in the pump head cavity of the circulating pump. These gases can damage the impeller, affect the working efficiency of the water pump, and cause system pressure instability or failure.

[0003] The Chinese patent with publication number CN212226170U discloses a button type manual exhaust valve, which includes a valve body having an input end and an output end, the input end and the output end are communicated through a channel, a sealing element is arranged in the input end to seal it, a button piece is arranged in the output end, the button piece is connected with the sealing element through a bolt passing through the channel, and a spring is arranged between the button piece and the valve body. This button type manual exhaust valve uses the combination of the button piece and the spring to control the position of the sealing element, and in use, the exhaust valve can be controlled to exhaust by pressing the button piece, which is more convenient to use, eliminates the cumbersome operation mode of the traditional exhaust valve, and improves the user experience.

[0004] However, in the above technical solution, the exhaust valve can be controlled to exhaust only by pressing the button piece, which is more convenient to use, and eliminates the cumbersome operation mode of the traditional exhaust valve, but when it is applied to some high-temperature gas or liquid medium, the drain hole at the end of the button will cause the high-temperature medium to directly contact the human body, causing harm to the human body. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides an exhaust device of impeller circulating pump.

[0006] The technical scheme of the utility model is an exhaust device of impeller circulating pump, which comprises an exhaust valve main body composed of a valve body, a button, a moving rod, a moving block, a first elastic element and a sealing ring, a through hole passing through the moving rod is formed in the valve body, the button and the moving block are connected at both ends of the moving rod respectively, an exhaust hole is formed in the button, the first elastic element is sleeved outside the moving rod, the first elastic element is arranged between the protrusion on the valve body through hole and the button, and the sealing ring is arranged between the valve body and the moving block.

[0007] The protection assembly is connected to the valve body, and the protection assembly comprises an anti-scalding assembly and an anti-misoperation assembly, the anti-scalding assembly is connected to the button, and the anti-misoperation assembly is connected to the moving rod, the anti-scalding assembly comprises a supporting seat, a baffle and a guide plate, the supporting seat is connected to the outside of the gas outlet of the button, the baffle is connected to the supporting seat, the annular guide plate is sleeved outside the supporting seat, and a gap is formed in the guide plate; in the use state, the high-pressure medium sprayed from the gas outlet of the button contacts the baffle, and the guide channel formed by the baffle and the guide plate guides the high-pressure medium to spray in a predetermined direction.

[0008] Preferably, the moving rod is composed of a fixed rod body and a rotating rod body, one end of the rotating rod body is rotatably connected to the fixed rod body, and the other end of the rotating rod body is connected to the button.

[0009] Preferably, the anti-scalding assembly further comprises an adjusting assembly connected to the moving rod, in the use state, the rotating end of the adjusting assembly rotates clockwise or counterclockwise to drive the button to rotate and adjust the gap position of the guide plate.

[0010] Preferably, the adjusting assembly comprises a rotating disc connected to the rotating rod body, a plurality of protrusions are connected to the side of the rotating disc close to the fixed rod body; a fixed disc connected to the fixed rod body, the fixed disc is arranged in parallel with the rotating disc, a limiting groove matched with the protrusions is formed in the fixed disc; and a second elastic member sleeved outside the moving rod, two ends of the second elastic member are connected to the fixed disc and the anti-misoperation assembly respectively.

[0011] Preferably, the end of the baffle away from the supporting seat is connected with a protection pad.

[0012] Preferably, the anti-misoperation assembly comprises a fixed cylinder connected to the valve body, the fixed cylinder is sleeved outside the moving rod, one end of the fixed cylinder is connected to the second elastic member; a moving cylinder sleeved outside the fixed cylinder, the moving cylinder is threadedly connected to the fixed cylinder; and a stopper connected to one end of the moving cylinder, the stopper is slidably connected to the button.

[0013] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0014] In the utility model, the anti-scalding assembly changes the direction of the high-temperature medium spray to avoid direct contact with the human body, the adjusting assembly in the anti-scalding assembly can adjust the direction of the high-temperature medium spray to avoid some equipment or objects, so as to prevent the high-temperature medium from affecting the equipment or objects, and the anti-misoperation assembly can keep the button in a predetermined position and prevent the button from being contacted and misoperated by people or objects in the vicinity of the circulating pump. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 is a sectional view schematic diagram of the device; Figure 1

[0017] Figure 3 is an enlarged view of the mechanism at A; Figure 2

[0018] Figure 4 is a structural schematic diagram of the adjusting assembly;

[0019] Figure 5 is a structural schematic diagram of the scald-preventing assembly;

[0020] The figure mark: 1, exhaust valve body; 2, valve body; 3, button; 4, moving rod; 5, moving block; 6, first elastic member; 7, sealing ring; 8, exhaust hole; 9, support seat; 10, baffle; 11, guide plate; 12, fixed rod body; 13, rotating rod body; 14, rotating disc; 15, protruding block; 16, fixed disc; 17, limiting groove; 18, second elastic member; 19, protective pad; 20, fixed cylinder; 21, moving cylinder; 22, stop block. DETAILED DESCRIPTION

[0021] Example one, as shown in the utility model discloses a kind of exhaust devices of impeller circulating pump, including the exhaust mechanism being installed on pump body; Figures 1-5

[0022] Exhaust mechanism includes exhaust valve body 1 and protective assembly, exhaust valve body 1 is composed of valve body 2, button 3, moving rod 4, moving block 5, first elastic member 6 and sealing ring 7, and the through hole of moving rod 4 is opened in valve body 2;Valve body 2 is connected in screw thread with the screw thread hole being opened in pump body by being opened in screw thread on outer circumferential surface, and the through hole for passing moving rod 4 in valve body 2 is communicated with pump body;Button 3 and moving block 5 are respectively connected in both ends of moving rod 4;

[0023] In an alternative embodiment, moving rod 4 is composed of fixed rod body 12 and rotating rod body 13, one end of rotating rod body 13 is rotationally connected with fixed rod body 12, and the other end of rotating rod body 13 is connected with button 3;

[0024] Exhaust hole 8 is opened in button 3, first elastic member 6 is sleeved on the outside of moving rod 4, first elastic member 6 is arranged between the protrusion in the through hole of valve body 2 and button 3, and sealing ring 7 is arranged between valve body 2 and moving block 5;

[0025] ​​​The protection assembly is connected to the valve body 2, and the protection assembly comprises an anti-scalding assembly and an anti-misoperation assembly, the anti-scalding assembly is connected to the button 3, and the anti-misoperation assembly is connected to the moving rod 4, the anti-scalding assembly comprises a supporting seat 9, a baffle 10 and a guide plate 11, the supporting seat 9 is connected to the outside of the gas outlet of the button 3, the baffle 10 is connected to the supporting seat 9, the annular guide plate 11 is sleeved outside the supporting seat 9, and the guide plate 11 is provided with a gap; in the use state, the high-pressure medium sprayed from the gas outlet of the button 3 is in contact with the baffle 10, and the guide channel formed by the baffle 10 and the guide plate 11 guides the high-pressure medium to spray in a predetermined direction.

[0026] Embodiment two, Figures 2-5 As shown in the drawings, the utility model discloses a kind of exhaust devices of impeller circulating pump, compared with embodiment one, detailed structure of anti-scalding assembly is recorded in this embodiment, anti-scalding assembly further includes adjusting assembly, adjusting assembly is connected to moving rod 4, in the use state of adjusting assembly, the rotating end of adjusting assembly rotates clockwise or counterclockwise to drive button 3 to rotate and adjust the gap position of guide plate 11.

[0027] Adjusting assembly includes rotating disc 14, lug 15, fixed disc 16 and second elastic piece 18, rotating disc 14 is connected to rotating rod body 13, and rotating disc 14 is connected to multiple lugs 15 on the side close to fixed rod body 12;Lug 15 shape is selected but not limited to right triangle and sector, and the shape of the two itself makes it only be able to rotate in one direction, and lug 15 is circumferentially distributed with rotating disc 14 as center;Fixed disc 16 is connected to fixed rod body 12, and fixed disc 16 is arranged in parallel with rotating disc 14, and fixed disc 16 is provided with limiting groove 17 matched with lug 15;Second elastic piece 18 is sleeved outside moving rod 4, and the two ends of second elastic piece 18 are connected with fixed disc 16 and anti-misoperation assembly respectively;Second elastic piece 18 is selected but not limited to spring;

[0028] In an optional embodiment, the end, away from the supporting seat 9, of the baffle 10 is connected with a protective pad 19;The protective pad 19 is selected but not limited to ceramic and rubber, and both of them can reduce the conduction of temperature to prevent the baffle 10 from causing high-temperature burn of fingers;

[0029] Anti-misoperation assembly includes fixed cylinder 20, moving cylinder 21 and stopper 22, fixed cylinder 20 is connected to valve body 2, fixed cylinder 20 is sleeved outside moving rod 4, one end of fixed cylinder 20 is connected with second elastic piece 18, moving cylinder 21 is sleeved outside fixed cylinder 20, moving cylinder 21 is threadedly connected with fixed cylinder 20, and stopper 22 is connected to one end of moving cylinder 21, and stopper 22 is slidably connected with button 3.

[0030] In summary, in use, the valve body 2 is connected in the top of the volute part of the circulating pump body through the thread formed in one end of the valve body 2, in normal working, the water flow in the water inlet end of the circulating pump is transported by the negative pressure generated by the impeller of the circulating pump to be discharged from the water outlet end, the gas dissolved in the hot water is gradually separated and accumulated in the volute part of the pump body, when the gas in the pump body needs to be discharged, the staff closes the circulating pump and injects water into the body, so that the air gradually moves to the top of the volute, then presses the baffle 10 to drive the button 3 to move the rod 4 to extrude the length of the first elastic member 6, so that the moving block 5 moves, the moving block 5 moves away from the sealing ring 7 and loses the sealing, at this time, the air will enter the exhaust hole 8 formed in the button 3 from the through hole in the valve body 2, the high-temperature gas contacts the channel formed by the baffle 10 and the guide plate 11, and is discharged to the specified direction from the gap in the guide plate 11, so as to avoid direct contact between the high-temperature gas or liquid and the human body, according to different needs, the staff can rotate the button 3 to drive the rotating rod body 13 and the rotating disc 14 to rotate, the shape of the protrusion 15 on the rotating disc 14 makes it only rotate in one direction, the protrusion 15 extrudes the fixed disc 16 to compress the length of the second elastic member 18, then the protrusion 15 enters the limiting groove 17 in the fixed disc 16, after the angle adjustment of the button 3 is completed, the position of the gap in the guide plate 11 changes relative to the adjusted angle, so as to reduce the influence on the outside when the high-temperature medium is sprayed, after the exhaust is completed, each part resets, when the button 3 is mistaken by the surrounding personnel and objects, the rotating moving cylinder 21 moves along the central axis of the fixed cylinder 20 through the thread, the height of the moving cylinder 21 gradually rises, the stop block 22 at one end of the moving cylinder 21 contacts the lower end surface of the button 3, and the self-locking of the thread can keep the fixed height to prevent the button 3 from moving downward under stress.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An exhaust device for an impeller circulating pump, characterized in that, The utility model relates to a kind of exhaust valve, including: Exhaust valve body (1) is by valve body (2), button (3), moving rod (4), moving block (5), first elastic member (6) and sealing ring (7) are formed, the through hole of valve body (2) is opened by moving rod (4), button (3) and moving block (5) are connected at the both ends of moving rod (4) respectively, exhaust hole (8) is opened in button (3), first elastic member (6) is sleeved in the outside of moving rod (4), first elastic member (6) is set between the convex of the through hole of valve body (2) and button (3), sealing ring (7) is set between valve body (2) and moving block (5); Protective assembly is connected on valve body (2), and protective assembly includes anti-scalding assembly and anti-misoperation assembly, anti-scalding assembly is connected on button (3), and anti-misoperation assembly is connected on moving rod (4), and anti-scalding assembly includes support seat (9), baffle (10) and deflector (11), support seat (9) is connected on the air outlet outside of button (3), baffle (10) is connected with support seat (9), annular deflector (11) is sleeved in the outside of support seat (9), and notch is opened in deflector (11);In use state, the high-pressure medium spouted from the air outlet of button (3) contacts baffle (10), and the guiding channel formed by baffle (10) and deflector (11) guides high-pressure medium to the predetermined direction.

2. The exhaust apparatus for an impeller circulating pump according to claim 1, wherein Moving rod (4) is formed by fixed rod body (12) and rotating rod body (13), and one end of rotating rod body (13) is rotatably connected with fixed rod body (12), and the other end of rotating rod body (13) is connected with button (3).

3. The exhaust apparatus of an impeller circulating pump according to claim 1, characterized by Anti-scalding assembly further includes Adjusting assembly is connected on moving rod (4), and in use state, the rotating end of adjusting assembly rotates clockwise or counterclockwise to drive button (3) to rotate and adjust the notch position of deflector (11).

4. The exhaust apparatus of a vane circulating pump according to claim 2, wherein Adjusting assembly includes Rotating disc (14) is connected on rotating rod body (13), and a plurality of lugs (15) are connected on the side of rotating disc (14) close to fixed rod body (12); Fixed disc (16) is connected on fixed rod body (12), and fixed disc (16) is arranged in parallel with rotating disc (14), and limiting groove (17) is opened in fixed disc (16) and matched with lug (15); Second elastic member (18) is sleeved in the outside of moving rod (4), and the both ends of second elastic member (18) are connected with fixed disc (16) and anti-misoperation assembly respectively.

5. The exhaust apparatus of an impeller circulating pump according to claim 1, characterized by Baffle (10) is connected with protective pad (19) at the end away from support seat (9).

6. The exhaust apparatus of a vane circulating pump according to claim 4, wherein Anti-misoperation assembly includes Fixed cylinder (20) is connected on valve body (2), and fixed cylinder (20) is sleeved in the outside of moving rod (4), and one end of fixed cylinder (20) is connected with second elastic member (18); Moving cylinder (21) is sleeved in the outside of fixed cylinder (20), and moving cylinder (21) is threadedly connected with fixed cylinder (20); Stop block (22) is connected at one end of moving cylinder (21), and stop block (22) is slidably connected with button (3).

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