CN220267907U - Angle-adjustable pump - Google Patents

Abstract

The utility model discloses an angle-adjustable pump, which comprises a base, a pump body and base screws, wherein the base is provided with a plurality of grooves; the base is provided with a movable hole, and the inner wall of the movable hole is provided with two elastic sheets; the movable ends of the two elastic sheets are adjacent, and a plurality of first saw teeth are arranged on the inner wall of the elastic sheet; one end of the pump body is in rotary fit in the movable hole, and a plurality of second saw teeth are arranged on the peripheral surface of the pump body; the other end of the pump body is provided with a liquid inlet and a liquid outlet; the base screw is used for locking the movable ends of the two elastic sheets, so that the first saw teeth are meshed with the second saw teeth, and the pump body is prevented from rotating. The utility model can adjust the directions of the liquid inlet and the liquid outlet at multiple angles so as to adapt to the connection direction of the pipeline.

Description

Angle-adjustable pump

Technical Field

The utility model relates to the technical field of pumps, in particular to an angle-adjustable pump.

Background

The pump is a fluid-transporting or fluid-pressurizing machine which transmits mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid, and is mainly used for transporting water, oil, acid-alkali solution, emulsion, suspension emulsion, liquid metal and other liquids, and can also be used for transporting liquid, gas mixtures and liquids containing suspended solids. Diaphragm pumps are a particular form of volumetric pump that rely on the back and forth pumping of a diaphragm to change the working chamber volume to draw in and expel fluid.

The pump body of the pump is provided with a water inlet interface and a water outlet interface which are respectively used for connecting a water inlet pipe and a water outlet pipe. In general, the water inlet interface and the water outlet interface are integrally formed on the pump body to form a liquid inlet and a liquid outlet in a fixed direction. However, in the practical application scene, the direction and the angle of the liquid inlet and outlet of the pump are required to be adjusted under the influence of factors such as the installation position of the pump and the direction of the pipeline, and obviously, the pump with the fixed direction of the liquid inlet and outlet in the prior art cannot meet the use requirement, and after the pump is installed, the water pipe is possibly bent to influence the flow, and the installation is inconvenient, time and labor are wasted.

Disclosure of Invention

The utility model aims to provide an angle-adjustable pump which solves the problems existing in the prior art and can be adjusted at multiple angles so as to adapt to the connection direction of a pipeline.

In order to achieve the above object, the solution of the present utility model is:

an angle-adjustable pump comprises a base, a pump body and base screws; the base is provided with a movable hole, and the inner wall of the movable hole is provided with two elastic sheets; the movable ends of the two elastic sheets are adjacent, and a plurality of first saw teeth are arranged on the inner wall of the elastic sheet; one end of the pump body is in rotary fit in the movable hole, and a plurality of second saw teeth are arranged on the peripheral surface of the pump body; the other end of the pump body is provided with a liquid inlet and a liquid outlet; the base screw is used for locking the movable ends of the two elastic sheets, so that the first saw teeth are meshed with the second saw teeth, and the pump body is prevented from rotating.

The elastic sheets are symmetrically arranged at the left side and the right side of the movable hole; the movable end of the elastic sheet is positioned at the bottom of the movable hole, the movable end of the elastic sheet extends outwards to form a connecting part, and the base screw is sequentially connected with the two elastic sheet connecting parts.

The first saw teeth and the second saw teeth are elongated along the axial direction of the movable hole.

The first saw teeth are arranged on the inner wall of the elastic sheet at equal angular intervals around the axis of the movable hole, and the second saw teeth are arranged on the peripheral surface of one end of the pump body at equal angular intervals around the axis of one end of the pump body.

Foot pads are arranged at four corners of the bottom of the base.

The pump body comprises a motor cover, a cavity cover and a locking ring; the second saw teeth are formed on the peripheral surface of the motor cover, and the liquid inlet and the liquid outlet are formed on the cavity cover; the end face of the motor cover is provided with a hollow switching part, and the cavity cover is tightly locked with the switching part through the locking ring.

Preferably, the pump body further comprises a motor, a diaphragm and a pull rod; the motor is arranged in the motor cover, and the output end of the motor penetrates through the switching part and is connected with a swing arm; two sides of the periphery of the diaphragm are respectively clamped by the switching part and the cavity cover; one end of the pull rod is rotatably connected to the swing arm, and the other end of the pull rod is fixedly connected with the center of the diaphragm.

Preferably, the adapter is provided with an opening, and the cover body is detachably matched at the opening.

Preferably, the periphery of the adapter part and the periphery of the cavity cover are respectively provided with a first convex ring and a second convex ring; the locking ring comprises two semi-rings and two locking screws, and the inner wall of each semi-ring is provided with a limiting groove; the first convex ring and the second convex ring are simultaneously embedded in the limiting groove of the same semi-ring, and the adjacent ends of the two semi-rings are locked and fixed by the locking screw.

Check valves are arranged in the liquid inlet and the liquid outlet; the liquid inlet and the liquid outlet are connected with water pipe connectors.

After the technical scheme is adopted, the utility model has the following technical effects:

the elastic piece is locked or unlocked through the base screw and is arranged in the base, the elastic piece is provided with the first saw tooth meshed with the second saw tooth of the pump body, the pump body can be circumferentially limited when the elastic piece is locked, the purpose of stopping rotation is achieved, in the unlocking state, the elastic piece can be deformed under force to enable the first saw tooth to give way the circumferential rotation of the second saw tooth to achieve the rotation of the pump body, so that the angle adjustment of the pump body is achieved, the directions of the liquid inlet and the liquid outlet are adjustable, the installation requirements under different scenes are met, and the pipeline connection direction is adapted.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a bottom view of an embodiment of the present utility model;

FIG. 3 is an exploded view of an embodiment of the present utility model;

FIG. 4 is a cross-sectional view I of an embodiment of the present utility model;

FIG. 5 is a second cross-sectional view of an embodiment of the present utility model;

FIG. 6 is a third cross-sectional view of an embodiment of the present utility model;

FIG. 7 is a schematic view of an adjustment angle according to an embodiment of the present utility model;

FIG. 8 is a second schematic view of an adjustment angle according to an embodiment of the present utility model;

reference numerals illustrate:

1- - -a base; 11-a movable hole; 12-spring pieces; 121—a first serration; 122—a connection;

2- - -a pump body; 21- - -a motor housing; 211-second serrations; 212- -an adapter; 2121-opening; 213—a first collar; 22- -a cavity cover; 221-a liquid inlet; 222—a liquid outlet; 223-a second collar; 23- - -a locking ring; 231—half ring; 2311, a limit groove; 232- -locking screw; 24-a motor; 241—a swing arm; 25- - -a membrane; 26- - -a pull rod; 27- - -a cover;

3- - -a base screw;

4- - -foot pad;

5- -a one-way valve;

6- -water pipe joint.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Accordingly, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the inventive product is used, or the orientation or positional relationship conventionally understood by those skilled in the art, is merely for convenience in describing the embodiments of the present utility model, and is not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1 to 8, the utility model discloses an angle-adjustable pump, which comprises a base 1, a pump body 2 and a base screw 3;

the base 1 is provided with a movable hole 11, and the inner wall of the movable hole 11 is provided with two elastic sheets 12; the movable ends of the two elastic sheets 12 are adjacent, and a plurality of first saw teeth 121 are arranged on the inner wall of the elastic sheet 12;

one end of the pump body 2 is rotatably matched in the movable hole 11, and the peripheral surface of the pump body is provided with a plurality of second saw teeth 211; the other end of the pump body 2 is provided with a liquid inlet 221 and a liquid outlet 222;

the base screw 3 is used for locking the movable ends of the two elastic sheets 12, so that the first saw teeth 121 are meshed with the second saw teeth 211, and the pump body 2 is prevented from rotating.

Specific embodiments of the utility model are shown below.

Referring to fig. 4, the elastic pieces 12 are symmetrically disposed at the left and right sides of the movable hole 11; the movable end of the elastic sheet 12 is located at the bottom of the movable hole 11, the movable end of the elastic sheet 12 extends outwards to form a connecting portion 122, and the base screw 3 is sequentially connected with the connecting portions 122 of the two elastic sheets 12, so that the base screw 3 is locked below the base 1, and after the pump is installed, the base screw 3 can be hidden. In this embodiment, the elastic sheet 12 is integrally formed in the movable hole 11 when the base 1 is formed; the radial cross section of the spring plate 12 is arc-shaped, and the central angle is 90 °.

The first saw teeth 121 and the second saw teeth 211 are elongated along the axial direction of the movable hole 11, so as to increase the contact area between the pump body 2 and the base 1 and provide a more stable rotation stopping and limiting effect.

The first saw teeth 121 are disposed on the inner wall of the elastic sheet 12 at equal angular intervals around the axis of the movable hole 11, and the second saw teeth 211 are disposed on the peripheral surface of one end of the pump body 2 at equal angular intervals around the axis of one end of the pump body 2, so that the first saw teeth 121 and the second saw teeth 211 are uniformly arranged, and the angle is convenient to adjust.

Foot pads 4 are arranged at four corners of the bottom of the base 1.

The pump body 2 includes a motor cover 21, a cavity cover 22, and a locking ring 23; the second saw teeth 211 are formed on the peripheral surface of the motor cover 21, and the liquid inlet 221 and the liquid outlet 222 are formed on the cavity cover 22; the end face of the motor cover 21 is provided with a hollow adapter 212, and the cavity cover 22 is tightly locked with the adapter 212 through a locking ring 23. When the locking ring 23 is unscrewed, the orientations of the liquid inlet 221 and the liquid outlet 222 can be adjusted, and the angle adjustment of the motor cover 21 in the base 1 and the change of the orientation of the cavity cover 22 by the adapter 212 (the angle between the orientation of the adapter 212 and the axis of the motor cover 21 can be different according to the requirement of the actual product) can be matched, so that the wide-range angle adjustment can be realized, and the application range of the utility model is wider.

Further, the pump body 2 is an electric diaphragm pump, and further comprises a motor 24, a diaphragm 25 and a pull rod 26; the motor 24 is arranged in the motor cover 21, and the output end of the motor 24 penetrates the adapter 212 and is connected with a swing arm 241; the two sides of the periphery of the diaphragm 25 are respectively clamped by the adapter 212 and the cavity cover 22 so as to separate the adapter 212 and the cavity cover 22, and water cannot flow into the adapter 212; one end of the pull rod 26 is rotatably connected to the swing arm 241, and the other end thereof is fixedly connected to the center of the diaphragm 25. Under the drive of the motor 24, the swing arm 241 rotates by taking the output shaft of the motor 24 as the center line, so as to drive the pull rod 26 to reciprocally pull the diaphragm 25, change the size of a cavity formed between the diaphragm 25 and the cavity cover 22, and realize the function of the diaphragm pump.

Next, the adaptor 212 is provided with an opening 2121, and the cover 27 is detachably engaged with the opening 2121, so that the cavity of the adaptor 212 can be conveniently opened for replacing and repairing the pull rod 26.

Meanwhile, a first convex ring 213 and a second convex ring 223 are respectively disposed at the periphery of the adapter 212 and the periphery of the cavity cover 22; the locking ring 23 comprises two half rings 231 and two locking screws 232, and a limiting groove 2311 is formed in the inner wall of each half ring 231; the first convex ring 213 and the second convex ring 223 are simultaneously embedded in the limiting groove 2311 of the same half ring 231, and the adjacent ends of the two half rings 231 are locked and fixed by the locking screw 232. The motor cover 21 and the cavity cover 22 are relatively fixed by adopting the locking ring 23, so that the cavity cover 22 can be adjusted steplessly, and the angle adjustment is more flexible.

The liquid inlet 221 and the liquid outlet 222 are respectively provided with a check valve 5 for limiting the flow direction of the liquid and preventing backflow.

The liquid inlet 221 and the liquid outlet 222 are connected with a water pipe joint 6, which is convenient for water pipe connection.

The working principle of the utility model is as follows:

referring to fig. 7, the base screw 3 may be loosened, so that the second saw teeth 211 of the motor cover 21 and the first saw teeth 121 of the base 1 may freely rotate and mesh, thereby adjusting the angle of the motor cover 21 (i.e., the pump body 2 as a whole) relative to the base 1, and realizing that the cavity cover 22 rotates with the axis of the motor cover 21 as a center line; after the adjustment is completed, the base screw 3 is screwed down.

Referring to fig. 8, the locking screw 232 may be loosened so that the chamber cover 22 may freely rotate with respect to the adapter 212, thereby adjusting the orientation of the water pipe; after the adjustment is completed, the locking screw 232 is tightened.

Through the scheme, the elastic piece 12 arranged in the base 1 is locked or unlocked through the base screw 3, the elastic piece 12 is provided with the first saw teeth 121 meshed with the second saw teeth 211 of the pump body 2, the pump body 2 can be circumferentially limited when the elastic piece is locked, the purpose of stopping rotation is achieved, in the unlocking state, the elastic piece 12 can be stressed to deform so that the first saw teeth 121 give way to the circumferential rotation of the second saw teeth 211 to realize the rotation of the pump body 2, and therefore the angle adjustment of the pump body 2 is realized, the directions of the liquid inlet 221 and the liquid outlet 222 are adjustable, the installation requirements under different scenes are met, and the connecting direction of a pipeline is adapted.

The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.

Claims (10)

1. An angle-adjustable pump, characterized in that:

comprises a base, a pump body and a base screw;

the base is provided with a movable hole, and the inner wall of the movable hole is provided with two elastic sheets; the movable ends of the two elastic sheets are adjacent, and a plurality of first saw teeth are arranged on the inner wall of the elastic sheet;

one end of the pump body is in rotary fit in the movable hole, and a plurality of second saw teeth are arranged on the peripheral surface of the pump body; the other end of the pump body is provided with a liquid inlet and a liquid outlet;

the base screw is used for locking the movable ends of the two elastic sheets, so that the first saw teeth are meshed with the second saw teeth, and the pump body is prevented from rotating.

2. An adjustable angle pump as defined in claim 1, wherein:

the elastic sheets are symmetrically arranged at the left side and the right side of the movable hole; the movable end of the elastic sheet is positioned at the bottom of the movable hole, the movable end of the elastic sheet extends outwards to form a connecting part, and the base screw is sequentially connected with the two elastic sheet connecting parts.

3. An adjustable angle pump as defined in claim 1, wherein:

the first saw teeth and the second saw teeth are elongated along the axial direction of the movable hole.

4. An adjustable angle pump as defined in claim 1, wherein:

the first saw teeth are arranged on the inner wall of the elastic sheet at equal angular intervals around the axis of the movable hole, and the second saw teeth are arranged on the peripheral surface of one end of the pump body at equal angular intervals around the axis of one end of the pump body.

5. An adjustable angle pump as defined in claim 1, wherein:

foot pads are arranged at four corners of the bottom of the base.

6. An adjustable angle pump as defined in claim 1, wherein:

the pump body comprises a motor cover, a cavity cover and a locking ring; the second saw teeth are formed on the peripheral surface of the motor cover, and the liquid inlet and the liquid outlet are formed on the cavity cover; the end face of the motor cover is provided with a hollow switching part, and the cavity cover is tightly locked with the switching part through the locking ring.

7. The adjustable angle pump of claim 6, wherein:

the pump body further comprises a motor, a diaphragm and a pull rod; the motor is arranged in the motor cover, and the output end of the motor penetrates through the switching part and is connected with a swing arm; two sides of the periphery of the diaphragm are respectively clamped by the switching part and the cavity cover; one end of the pull rod is rotatably connected to the swing arm, and the other end of the pull rod is fixedly connected with the center of the diaphragm.

8. The adjustable angle pump of claim 7, wherein:

the switching portion is provided with the opening, opening part detachably cooperates with the lid.

9. The adjustable angle pump of claim 6, wherein:

the periphery of the switching part and the periphery of the cavity cover are respectively provided with a first convex ring and a second convex ring; the locking ring comprises two semi-rings and two locking screws, and the inner wall of each semi-ring is provided with a limiting groove; the first convex ring and the second convex ring are simultaneously embedded in the limiting groove of the same semi-ring, and the adjacent ends of the two semi-rings are locked and fixed by the locking screw.

10. An adjustable angle pump as defined in claim 1, wherein:

check valves are arranged in the liquid inlet and the liquid outlet; the liquid inlet and the liquid outlet are connected with water pipe connectors.