CN210343872U

CN210343872U - Self-priming pump with high damping performance

Info

Publication number: CN210343872U
Application number: CN201920651460.9U
Authority: CN
Inventors: 徐正贵; 徐大椿; 王云凤; 王庆玉
Original assignee: Anhui Xincheng Pump Valve Co Ltd
Current assignee: Anhui Xincheng Pump Valve Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-04-17
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a self-priming pump with high shock absorption performance, which comprises a self-priming pump body, wherein a fixed base is arranged below the self-priming pump body, and two ends of a pump body are respectively provided with a longitudinal shock absorption device; a transverse damping limiting plate is arranged at the pump tail on the fixed base, a transverse top plate which is abutted to the pump tail in a fitting manner is arranged in the limiting clamping groove, and the transverse top plate is connected with the limiting clamping groove through a plurality of second compression springs; a positioning plate is arranged on one side of the end part of the pump head on the fixed base, and a positioning clamping groove with an opening facing the pump head is arranged on the positioning plate; the utility model arranges the longitudinal damping device at the position of the pump body to buffer the vertical clamping connection of the pump body, thereby effectively buffering the longitudinal vibration force of the pump body; through set up horizontal shock attenuation limiting plate and locating plate respectively at pump body both ends, carry out the buffering of horizontal vibrations power when spacing top is tight to pump body both ends, have had higher shock attenuation performance when having guaranteed the installation stability of the pump body itself.

Description

Self-priming pump with high damping performance

Technical Field

The utility model relates to a power equipment field specifically is a self priming pump of high shock attenuation performance.

Background

Self-priming pumps are of many types of construction, with molten salt pumps, vacuum pumps, submerged pumps, metering pumps, gear pumps, corrosion-resistant pumps, acid-resistant pumps, and fire pumps flowing in the direction of rotation. Different liquids can adopt self-priming pumps made of different materials. The self-priming pump has the working principle that before the water pump is started, the pump shell is filled with water (or the water is stored in the pump shell). After the impeller is started, the impeller rotates at a high speed to enable water in the impeller channel to flow to the volute, at the moment, the inlet forms vacuum, the water inlet check valve is opened, and air in the suction pipe enters the pump and reaches the outer edge through the impeller channel. The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like. The pipeline does not need to be provided with a bottom valve, and only quantitative liquid guiding is required to be ensured to be stored in the pump body before work.

Self priming pump is in the course of the work for pump body self produces great vibrations power, not only produces the noise easily, and under long-term operating condition, the effect of vibrations can lead to each connection structure fracture and internals to damage in the self priming pump moreover, influences the use of self priming pump. Current damping device simple structure only sets up damping device bottom the self priming pump for the self priming pump horizontal, vertical buffering is inhomogeneous, can lead to the self priming pump to damage equally, and the shock attenuation effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self priming pump of high shock attenuation performance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-sucking pump with high shock absorption performance comprises a self-sucking pump body, wherein the self-sucking pump body comprises a pump body, a pump head and a pump tail, a fixed base is arranged below the self-sucking pump body, longitudinal shock absorption devices are arranged at two ends of the pump body respectively, each longitudinal shock absorption device comprises clamping seats symmetrically arranged on the upper side and the lower side of the pump body, the clamping seats below the pump body are fixedly arranged on the fixed base, the two clamping seats are opposite to each other and have an inwards-recessed arc groove structure, a longitudinal top plate of an arc structure abutted to the pump body is arranged in each clamping seat, and the longitudinal top plate is connected with the clamping seats through a plurality of first compression springs; a transverse damping limiting plate is mounted at the pump tail on the fixed base, an inwards-sunk limiting clamping groove is formed in one surface, facing the pump tail, of the transverse damping limiting plate, a transverse top plate which is attached and abutted to the pump tail is arranged in the limiting clamping groove, and the transverse top plate is connected with the limiting clamping groove through a plurality of second compression springs; the pump head is provided with a water filling port and a suction inlet, a positioning plate is arranged on one side of the end part of the pump head on the fixed base, and a positioning clamping groove with an opening facing the pump head is formed in the positioning plate.

Preferably, the two ends of the clamping seat are provided with lug plates which are outwards folded and extended, the two lug plates corresponding to the upper clamping seat and the lower clamping seat of the longitudinal damping device are connected through a fastening screw rod, and a fastening nut is installed on the fastening screw rod.

Preferably, the pump tail is inserted into a limiting clamping groove, and a circle of first elastic rubber ring is embedded in the limiting clamping groove and at the periphery of the pump tail.

Preferably, a through hole for the suction inlet to penetrate out is formed in the positioning clamping groove, the pump head is inserted into the positioning clamping groove to be tightly pushed, and a circle of second elastic rubber ring is embedded in the periphery of the pump head in the positioning clamping groove.

Preferably, the longitudinal top plate is parallel to the arc groove surface of the clamping seat.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model arranges the longitudinal damping device at the position of the pump body to buffer the vertical clamping connection of the pump body, thereby effectively buffering the longitudinal vibration force of the pump body; through set up horizontal shock attenuation limiting plate and locating plate respectively at pump body both ends, carry out the buffering of horizontal vibrations power when spacing top is tight to pump body both ends, have had higher shock attenuation performance when having guaranteed the installation stability of the pump body itself.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the longitudinal damping device of the present invention;

fig. 3 is a schematic structural diagram of the through hole on the positioning plate of the present invention.

In the figure: 1. a self-priming pump body; 2. a pump body; 3. a pump head; 4. a pump tail; 5. a fixed base; 6. a longitudinal damping device; 7. a clamping seat; 8. a longitudinal top plate; 9. a first compression spring; 10. an ear plate; 11. fastening a screw rod; 12. fastening a nut; 13. a transverse damping limit plate; 14. a limiting clamping groove; 15. a transverse top plate; 16. a second compression spring; 17. a first elastic rubber ring; 18. a water filling port; 19. a suction inlet; 20. Positioning a plate; 21. positioning the clamping groove; 22. a through hole; 23. and a second elastic rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a self-sucking pump with high shock absorption performance comprises a self-sucking pump body 1, wherein the self-sucking pump body 1 comprises a pump body 2, a pump head 3 and a pump tail 4, a fixed base 5 is arranged below the self-sucking pump body 1, longitudinal shock absorption devices 6 are respectively arranged at two ends of the pump body 2, each longitudinal shock absorption device 6 comprises clamping seats 7 symmetrically arranged at the upper side and the lower side of the pump body 2, the clamping seats 7 below the pump body 2 are fixedly arranged on the fixed base 5, opposite surfaces of the two clamping seats 7 are of sunken circular arc groove structures, longitudinal top plates 8 of circular arc structures attached to and abutted against the pump body 2 are arranged in the clamping seats 7, and the longitudinal top plates 8 are connected with the clamping seats 7 through a plurality of first compression springs 9; a transverse damping limiting plate 13 is arranged on the fixed base 5 at the pump tail 4, an inward limiting clamping groove 14 is formed in one surface, facing the pump tail 4, of the transverse damping limiting plate 13, a transverse top plate 15 attached and abutted to the pump tail 4 is arranged in the limiting clamping groove 14, and the transverse top plate 15 is connected with the limiting clamping groove 14 through a plurality of second compression springs 16; the pump head 3 is provided with a water filling port 18 and a suction port 19, a positioning plate 20 is arranged on one side of the end part of the pump head 3 on the fixed base 5, and a positioning clamping groove 21 with an opening facing the pump head 3 is arranged on the positioning plate 20.

Furthermore, the two ends of the clamping seat 7 are provided with lug plates 10 which are folded and extended outwards, the two lug plates 10 corresponding to the upper and lower clamping seats 7 of the longitudinal damping device 6 are connected through fastening screws 11, and the fastening screws 11 are provided with fastening nuts 12.

Furthermore, the pump tail 4 is inserted into a limiting clamping groove 14, and a circle of first elastic rubber ring 17 is embedded in the limiting clamping groove 14 and on the periphery of the pump tail 4.

Furthermore, a through hole 22 for the suction port 19 to penetrate out is arranged in the positioning clamping groove 21, the pump head 3 is inserted into the positioning clamping groove 21 to be pressed tightly, and a circle of second elastic rubber ring 23 is embedded in the positioning clamping groove 21 and at the periphery of the pump head 3.

Further, the longitudinal top plate 8 is parallel to the arc groove surface of the clamping seat 7.

The working principle is as follows: 2 both ends of pump body are provided with vertical damping device 6 respectively, and vertical damping device 6 sets up the grip slipper 7 of both sides about the pump body 2 including the symmetry, and the butt is laminated to both sides about the pump body 2 through the vertical roof 8 of the circular arc structure in two grip slippers 7 to utilize first compression spring 9 to cushion the vertical shaking force that self priming pump body 1 received, add and hold steadily, the shock attenuation is effectual. Meanwhile, the distance between the two clamping seats 7 of the longitudinal damping device 6 can be adjusted by screwing the fastening nut 12, so that the elastic strength of the first compression spring 9 is adjusted, the operation is convenient, and the buffer without understanding the vibration force is convenient to adapt. The two ends of the self-priming pump body 1 are respectively provided with a transverse damping limiting plate 13 and a positioning plate 20; through the laminating butt of 4 departments of longitudinal roof 8 and pump tail in the spacing draw-in groove 14 of horizontal shock attenuation limiting plate 13 to utilize second compression spring 16 to cushion the horizontal shaking force that self priming pump body 1 received, locating plate 20 cooperates with horizontal shock attenuation limiting plate 13 with the fixed chucking of self priming pump body 1 simultaneously, has had higher shock attenuation performance when having guaranteed the installation stability of the pump body itself. The periphery of pump tail 4 is inlayed in spacing draw-in groove 14 and is equipped with round first elastic rubber circle 17, inlays in 3 peripheries of pump head in positioning channel 21 and is equipped with round second elastic rubber circle 23, and first elastic rubber circle 17 and second elastic rubber circle 23 provide buffer space for self priming pump body 1's longitudinal movement when further fixing self priming pump body 1 both ends, and the shock attenuation is effectual.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-priming pump with high shock absorption performance is characterized by comprising a self-priming pump body (1), the self-sucking pump body (1) comprises a pump body (2), a pump head (3) and a pump tail (4), a fixed base (5) is arranged below the self-sucking pump body (1), the two ends of the pump body (2) are respectively provided with a longitudinal damping device (6), the longitudinal damping devices (6) comprise clamping seats (7) which are symmetrically arranged at the upper side and the lower side of the pump body (2), the clamping seats (7) below the pump body (2) are fixedly arranged on the fixed base (5), opposite surfaces of the two clamping seats (7) are of sunken arc groove structures, longitudinal top plates (8) of arc structures attached and abutted to the pump body (2) are arranged in the clamping seats (7), and the longitudinal top plates (8) are connected with the clamping seats (7) through a plurality of first compression springs (9); a transverse damping limiting plate (13) is arranged on the fixed base (5) at the pump tail (4), an inwards-recessed limiting clamping groove (14) is formed in one surface, facing the pump tail (4), of the transverse damping limiting plate (13), a transverse top plate (15) attached and abutted to the pump tail (4) is arranged in the limiting clamping groove (14), and the transverse top plate (15) is connected with the limiting clamping groove (14) through a plurality of second compression springs (16); the pump head (3) is provided with a water filling port (18) and a suction port (19), a positioning plate (20) is arranged on one side of the end part of the pump head (3) on the fixed base (5), and a positioning clamping groove (21) with an opening facing the pump head (3) is formed in the positioning plate (20).

2. A high shock absorption self-primer pump as recited in claim 1 wherein: the clamping seat is characterized in that the two ends of the clamping seat (7) are provided with lug plates (10) which are outwards folded and extended, the two lug plates (10) corresponding to the upper clamping seat (7) and the lower clamping seat (6) of the longitudinal damping device are connected through fastening screws (11), and fastening nuts (12) are installed on the fastening screws (11).

3. A high shock absorption self-primer pump as recited in claim 1 wherein: the pump tail (4) is inserted into the limiting clamping groove (14), and a circle of first elastic rubber ring (17) is embedded in the periphery of the pump tail (4) in the limiting clamping groove (14).

4. A high shock absorption self-primer pump as recited in claim 1 wherein: the positioning clamping groove (21) is internally provided with a through hole (22) for the suction inlet (19) to penetrate out, the pump head (3) is inserted into the positioning clamping groove (21) to be tightly pushed, and a circle of second elastic rubber ring (23) is embedded at the periphery of the pump head (3) in the positioning clamping groove (21).

5. A high shock absorption self-primer pump as recited in claim 1 wherein: the longitudinal top plate (8) is parallel to the arc groove surface of the clamping seat (7).