Safety early warning device of hose pump

Abstract

The utility model relates to the technical field of safety detection, and provides a safety early warning device of a hose pump, which is used for detecting water leakage at a pump opening flange and a connecting pipe flange, and comprises a housing, a water inlet pipe, a water outlet pipe and a water outlet pipe, the extension pipe is arranged on the housing and used for covering the periphery of the conveying pipe, and the extension pipe is communicated with the housing; the water gathering pipe is communicated with the lower side of the housing or the lower side of the extension pipe; water in the housing and the extension pipe flows towards the water gathering pipe; the water level alarm device is arranged on the vertical side wall of the water gathering pipe and used for detecting the water level in the water gathering pipe; the test box is arranged in the water gathering pipe in a lifting mode, the test box is used for containing test water, and after the test box rises to the detection position of the water level alarm device, the water level alarm device detects the water level and gives an alarm. According to the technical scheme, the problem that in the prior art, a water level alarm device effectiveness testing device is lacked is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety detection technical field especially relates to a safety early warning device of hose pump. BACKGROUND

[0002] Hose pump belongs to the category of peristaltic pump, has can transport high viscosity, high abrasion and contains solid particle medium, and can realize high precision metering etc.

[0003] Hose pump is prone to leakage in the long-term operation process due to various reasons, and the sealing components of the pump head are worn, improperly installed or the system pressure is too high, which may cause the material to leak from the connection between the pump head and the conveying pipe or other sealing parts. The pump head position is generally connected by pump flange and pipe flange, the pipe flange is connected to the conveying pipe through the pagoda pipe, and leakage may occur at the flange butt joint position and the connection between the conveying pipe and the pagoda pipe. In the existing monitoring technology, the water level detection alarm device is generally used to detect the leaked liquid and give an alarm, but it cannot be confirmed whether the water level detection alarm device is effective during long-term use. There is a lack of test device for the effectiveness of the water level detection alarm device in the prior art. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of the prior art, which is the lack of test device for the effectiveness of the water level detection alarm device.

[0005] The utility model adopts the technical scheme: provide a kind of safety early warning device of hose pump, for detecting the water leakage of pump flange and pipe flange, including:

[0006] Cover, annular, for covering on pump flange and pipe flange;

[0007] Extension pipe, set on the cover, for covering on the periphery of conveying pipe, the extension pipe is communicated with the cover;

[0008] Water collecting pipe, communication is set on the lower side of the cover or the lower side of the extension pipe, the water in the cover and the extension pipe flows to the water collecting pipe;

[0009] Water level alarm device, set on the vertical side wall of the water collecting pipe, for detecting the water level in the water collecting pipe;

[0010] A test box is arranged in the water collecting pipe and is lifted in the water collecting pipe, and the water level alarm device detects the water level and sends an alarm when the test box is lifted to the detection position of the water level alarm device.

[0011] Further optimization of the technical solution also includes:

[0012] A mounting shell is inserted into the lower end of the water collecting pipe, and the test box is arranged in the mounting shell and is lifted from the mounting shell into the water collecting pipe.

[0013] Further optimization of the technical solution also includes:

[0014] A compression spring is arranged at one end of the mounting shell and at the other end of the test box, and is used to provide a pushing force for the test box to move away from the water collecting pipe.

[0015] Further optimization of the technical solution is that the mounting shell is in sealed communication with the water collecting pipe, and the lower part of the test box is in sealed cooperation with the inner wall of the lower part of the mounting shell.

[0016] Further optimization of the technical solution also includes:

[0017] A cloth strip is arranged in the extension pipe, and the upper part of the cloth strip is used to be tied to the conveying pipe, and the lower part of the cloth strip extends to the lower side of the extension pipe.

[0018] Further optimization of the technical solution also includes:

[0019] A plurality of positioning rods are arranged on the cover shell and are distributed in an annular interval, the positioning rods are moved along the radial direction of the cover shell, the positioning rods have positioning parts, and the positioning parts are used to abut against the periphery of the pump port flange and the pipe flange after being moved.

[0020] Further optimization of the technical solution is that the positioning part is provided with a clamping groove on the side close to the pump port flange, and the clamping groove is used to be clamped on the pump port flange and the pipe flange.

[0021] The beneficial effects of the utility model lie in:

[0022] 1. The cover shell and the extension pipe cover are arranged on the periphery of the pump port and the conveying pipe, and can collect water when leakage occurs at the flange butt joint and the conveying pipe port, so that the water level alarm device can detect the water level in the water collecting pipe and send an alarm, and the leakage at the position can be monitored.

[0023] 2. The test box is pre-stored with test water that can be detected by the water level alarm device, and when effectiveness test is needed, the test box is pushed upward, so that whether the water level alarm device is maintained effective can be tested, and the normal operation of the alarm device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the installation and use structure schematic view of the utility model;

[0025] Figure 2 It is the structure schematic view of the utility model;

[0026] Figure 3 It is the structure schematic view of the utility model; Figure 2 Sectional view structure schematic view under the state;

[0027] Figure 4 It is the structure schematic view of the utility model; Figure 3 Local amplification structure schematic view at a in the middle;

[0028] Figure 5 It is the positioning rod structure schematic view of the utility model;

[0029] Figure 6 It is the local split structure schematic view of the utility model;

[0030] Figure 7 It is the structure schematic view of the utility model; Figure 6 Local amplification structure schematic view at b in the middle;

[0031] Figure 8 It is the side view structure schematic view of the utility model;

[0032] Figure 9 It is the structure schematic view of the utility model; Figure 8 Sectional view structure schematic view at A-A position in the middle;

[0033] Marking in the drawing: 101, pump mouth flange; 102, connecting pipe flange; 103, conveying pipe; 2, cover shell; 3, extension pipe; 4, water collecting pipe; 5, water level alarm device; 6, test box; 7, installation shell; 701, compression spring; 8, cloth strip; 9, positioning rod; 901, positioning part; 9011, clamping groove. DETAILED DESCRIPTION

[0034] The utility model will be explained further in detail in combination with the drawings and specific embodiments.

[0035] In order to make the drawing simple, only the part related to the utility model is shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and convenient to understand, the components with the same structure or function are only schematically shown in some drawings, or only one of them is marked. In this paper, "one" not only means "only one", but also can mean "more than one", and "several" includes "two" and "more than two".

[0036] In this article, it is necessary to point out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] As Figures 1-9 As shown in a kind of safety warning device of hose pump, for detecting the leakage of pump flange 101 and connecting pipe flange 102, including: cover 2, for annular, for covering on pump flange 101 and connecting pipe flange 102;Extension pipe 3, is set on cover 2, for covering on the periphery of delivery pipe 103, extension pipe 3 is communicated with cover 2;Water collecting pipe 4, is communicated and set on the lower side of cover 2 or the lower side of extension pipe 3, water in cover 2 and extension pipe 3 flows to water collecting pipe 4;Water level alarm device 5, is set on the vertical side wall of water collecting pipe 4, for detecting the water level in water collecting pipe 4;Test box 6, is set in water collecting pipe 4, test box 6 is used to accommodate test water, when test box 6 rises to the detection position of water level alarm device 5, water level alarm device 5 detects water level and sends out alarm.

[0039] In use, cover 2 and extension pipe 3 can be the structure of two halves, cover on pump flange 101, connecting pipe flange 102 and the periphery of delivery pipe 103 after upper and lower butt joint;Cover 2 and extension pipe 3 can also be integrated structure, in use, cover on the periphery of delivery pipe 103 first, delivery pipe 103 is connected and locked with the pagoda pipe of connecting pipe flange 102, moves cover 2 and covers on the outside of pump flange 101 and connecting pipe flange 102, extension pipe 3 is located on the periphery of the connection position of delivery pipe 103 and pagoda pipe, when cover inside area appears leakage, water can be collected into cover 2 and extension pipe 3, then flows into water collecting pipe 4, when a certain amount is reached, it can ensure that water level alarm device 5 detects water level, and then alarm can be sent out.

[0040] During long time use, when it is needed to test the effectiveness of the water level alarm device 5, the test box 6 is pushed to move up in the water collecting pipe 4 to the detection position of the water level alarm device 5, and if the water level alarm device 5 normally issues an alarm, it is effective, and if it does not issue an alarm, it proves to be ineffective. The upward movement of the test box 6 forms a distance which can be ensured by conventional limiting or the like when moving up. The test box 6 can be a closed box body, and water is stored inside. When the water level alarm device is a capacitive type, it can be detected that water exists in the test box 6. The test box 6 can also be a box body with an open upper side, and water is pre-stored inside or a water storage bag is put inside. The lower part of the water collecting pipe 4 is in an open state, and the test box 6 and the water collecting pipe 4 can be in sealed sliding or can be in clearance fit. When leakage occurs, even if a small amount of water leaks between the water collecting pipe 4 and the test box 6, the water stored in the water collecting pipe 4 can still be detected by the water level alarm device 5.

[0041] Further, it further comprises a mounting shell 7 which is inserted at the lower end of the water collecting pipe 4, and the test box 6 is arranged to ascend and descend in the mounting shell 7 and to ascend from the mounting shell 7 into the water collecting pipe 4. It further comprises a compression spring 701 which acts on one end of the mounting shell 7 and on the other end of the test box 6, and is used to provide a pushing force for the test box 6 to move away from the water collecting pipe 4. The mounting shell 7 is in sealed communication with the water collecting pipe 4, and the lower part of the test box 6 is in sealed fit with the inner wall of the lower part of the mounting shell 7.

[0042] In use, the mounting shell 7 is arranged to facilitate disassembly and assembly. After the mounting shell 7 is disassembled, the detection position of the water level alarm device 5 can be cleaned from the lower part of the water collecting pipe 4, so as to avoid false alarms caused by local water residue. The upper part of the mounting shell 7 is inserted at the lower end of the water collecting pipe 4, and the test box 6 ascends and descends in the mounting shell 7. Under the action of the compression spring 701, the test box 6 is located in the lower part of the mounting shell 7. When testing is needed, the lower end of the test box 6 can be pushed upward from the lower side, and after the hand is released, the test box 6 is automatically reset under the action of the compression spring 701.

[0043] The upper part of the mounting shell 7 can be detachably connected with the water collecting pipe 4 through a buckle structure or through a bolt. The abutting position of the mounting shell 7 and the water collecting pipe 4, and the sealed fit or sliding sealed fit of the lower part of the test box 6 and the inner wall of the lower part of the mounting shell 7 can be achieved by a sealing strip, which is a conventional technology.

[0044] Further, it further comprises a cloth strip 8 which is located in the extension pipe 3, and the upper part is used to be tied on the conveying pipe 103, and the lower part extends to the lower side of the extension pipe 3.

[0045] In use, the cloth strip 8 can play a water guiding role. The upper part of the cloth strip 8 surrounds the conveying pipe 103, and after being tied, it can be closely sleeved. When a small amount of leakage occurs, and the leaked water flows along the conveying pipe 103, it meets the cloth strip 8 and is collected and guided downward to drip into the extension pipe 3, so as to be detected in time, and it cannot flow out along the conveying pipe 103 and cannot be detected in time.

[0046] Further, the positioning rod 9 is arranged on the cover 2 in a plurality of annularly spaced positions, and the positioning rod 9 is movable along the radial direction of the cover 2, and the positioning rod 9 is provided with a positioning portion 901, and the positioning portion 901 is used for abutting against the outer periphery of the pump port flange 101 and the connecting pipe flange 102 after being moved. The side of the positioning portion 901 close to the pump port flange 101 is provided with a clamping groove 9011, and the clamping groove 9011 is used for clamping the pump port flange 101 and the connecting pipe flange 102.

[0047] In use, the cover 2 can be tightly sleeved with the flange periphery or can have a gap, so as to be convenient for adaptation. The positioning rod 9 is moved along the radial direction, and the positioning portion 901 is pressed against the outer periphery of the pump port flange 101 and the connecting pipe flange 102, so that the positioning can be realized. The cross section of the positioning portion 901 can be a "["] type, and the middle part is the clamping groove 9011, which is used for clamping the pump port flange 101 and the connecting pipe flange 102, so that the positioning can be realized. Four positioning rods 9 can be arranged on the circumference of the cover 2 in a uniform and spaced array.

[0048] The positioning rod 9 is moved along the radial direction, and the threaded structure can be used for realizing the movement, and a threaded pipe is arranged on the cover 2, and the upper part of the positioning rod 9 is screwed with the threaded pipe. The structure such as a bolt or a spring can also be used for providing the positioning ability of the positioning rod 9, that is, the force of the positioning portion 901 pressing the flange.

[0049] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the range protected by the utility model.

Claims

1. A safety warning device for a hose pump for detecting water leakage at the pump mouth flange (101) and the connection flange (102), characterized in that It comprises: a cover (2) in the shape of a ring, which is used to cover the pump flange (101) and the pipe flange (102); an extension pipe (3) arranged on the cover (2) and used to cover the outer periphery of the conveying pipe (103), the extension pipe (3) being in communication with the cover (2); a water collecting pipe (4) arranged on the lower side of the cover (2) or the lower side of the extension pipe (3), the water in the cover (2) and the extension pipe (3) flowing into the water collecting pipe (4); a water level alarm device (5) arranged on the vertical side wall of the water collecting pipe (4) and used to detect the water level in the water collecting pipe (4); a test box (6) arranged in the water collecting pipe (4) and used to contain test water, when the test box (6) is lifted to the detection position of the water level alarm device (5), the water level alarm device (5) detects the water level and sends an alarm.

2. A safety warning device for a hose pump according to claim 1, characterized in that It further comprises: a mounting shell (7) inserted into the lower end of the water collecting pipe (4), the test box (6) being arranged in the mounting shell (7) and being lifted from the mounting shell (7) into the water collecting pipe (4).

3. A safety warning device for a hose pump according to claim 2, characterized in that It further comprises: a compression spring (701) having one end acting on the mounting shell (7) and the other end acting on the test box (6), which is used to provide a pushing force for the test box (6) to move away from the water collecting pipe (4).

4. A safety warning device for a hose pump according to claim 3, characterized in that The mounting shell (7) is in sealed communication with the water collecting pipe (4), and the lower part of the test box (6) is in sealed cooperation with the inner wall of the lower part of the mounting shell (7).

5. A safety warning device for a hose pump according to claim 1, characterized in that It further comprises: a cloth strip (8) arranged in the extension pipe (3), the upper part of the cloth strip (8) being used to be tied to the conveying pipe (103), and the lower part of the cloth strip (8) extending to the lower side of the extension pipe (3).

6. A safety warning device for a hose pump according to claim 1, characterized in that It further comprises: a plurality of positioning rods (9), the positioning rods (9) being arranged on the cover (2) in a ring shape and being spaced apart, the positioning rods (9) being movable along the radial direction of the cover (2), the positioning rods (9) having positioning portions (901), the positioning portions (901) being used to abut against the outer periphery of the pump flange (101) and the pipe flange (102) after being moved.

7. A safety warning device for a hose pump according to claim 6, characterized in that The side of the positioning portion (901) close to the pump flange (101) has a clamping groove (9011), the clamping groove (9011) being used to be clamped on the pump flange (101) and the pipe flange (102).

Images