CN210164634U

CN210164634U - Multifunctional gear pump

Info

Publication number: CN210164634U
Application number: CN201920873513.1U
Authority: CN
Inventors: 郭松
Original assignee: Jiaxing Chen Dong Pml Precision Mechanism Ltd
Current assignee: Suzhou Wuzhong Chendong Precision Machinery Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-20
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a multifunctional gear pump, which belongs to the technical field of pumps and aims to provide a multifunctional gear pump which is easy to clean foreign matters adhered on the inner wall of a suction cavity and convenient to clean a filter device, comprising a pump body, wherein the pump body comprises the suction cavity, the pump body is provided with the filter device, the inner wall of the suction cavity is provided with a holding tank which is coaxial with the suction cavity, the holding tank comprises an abutting end face, the filter device also comprises a fixed pipe, a connecting seat, elastic strips and a filter screen, the connecting seat is sleeved on the fixed pipe and is movably connected with the fixed pipe, the elastic strips are provided with three, the three elastic strips surround the fixed pipe, one ends of the three elastic strips are all connected with the fixed pipe, the three elastic strips are all arranged at equal intervals, the length direction of the elastic strips is the same as the axial direction of the fixed pipe, the filter screen comprises three arc strips and a net body, the fixed pipe stretches into the suction cavity, the elastic strips stretch into the suction cavity, and the connecting seat is in threaded connection with the suction cavity.

Description

Multifunctional gear pump

Technical Field

The utility model relates to a pump technical field, more specifically say, it relates to a multifunctional gear pump.

Background

Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. Two gears, pump body and front and back covers form two closed spaces, when the gears rotate, the volume of the space on the gear disengagement side is changed from small to large to form vacuum to suck liquid, the volume of the space on the gear engagement side is changed from large to small to squeeze liquid into the pipeline, and the suction cavity and the discharge cavity are separated by the meshing line of the two gears. After the gear pump works for a long time, foreign matters are adhered in the suction cavity, and the foreign matters in the suction cavity on the common gear pump are not easy to clean, so that the liquid discharge efficiency of the suction cavity is influenced; the filter device on the common gear pump is not convenient to disassemble, so that the filter device is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a inhale the easy clearance of the foreign matter of adhesion on the intracavity wall and the convenient multi-functional gear pump of filter equipment clearance.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a multifunctional gear pump comprises a pump body, wherein the pump body comprises a suction cavity, a filtering device is arranged on the pump body, an accommodating groove which is coaxial with the suction cavity is formed in the inner wall of the suction cavity, the accommodating groove comprises a contact end face, the filtering device further comprises a fixed pipe and a connecting seat, elastic strip and filter screen, fixed pipe is circular and coaxial with the cross-section of connecting seat, the connecting seat cover on fixed pipe and with fixed pipe swing joint, the elastic strip is equipped with three, three elastic strip encircle the one end of fixed pipe and three elastic strip all with fixed union coupling, three elastic strip are all apart from arranging, the length direction of elastic strip is the same with the axis direction of fixed pipe, the filter screen includes three arc strip and dictyosome, three arc strip is arranged to be three horn shapes on the dictyosome in arranging, the other end of three elastic strip is connected with three arc strip respectively, fixed pipe stretches into inhales the chamber, the elastic strip all stretches into inhales the chamber, the connecting seat with inhale chamber threaded connection.

By adopting the technical scheme, when the filtering device is installed on the pump body, the filtering net stretches into the suction cavity, then the three elastic strips push the filtering net into the suction cavity, so that the filtering net enters the filtering cavity and is abutted against the abutting end face, the filtering net wraps the outlet of the suction cavity, the filtering net is supported on the abutting end face by the three elastic strips, then the fixing pipe stretches into the suction cavity, the fixing pipe supports the elastic strips, the elastic strips are bent, so that the filtering net is fixed on the abutting end face and is not easy to move by the elastic strips, and finally the connecting seat is in threaded connection with the suction cavity, so that the filtering device is fixed on the pump body; when the filter screen is cleaned, the connecting seat is separated from the suction cavity, and then the filter screen is pulled out of the suction cavity, so that the filter device is disassembled, and the filter device is convenient to clean; the three elastic strips which are uniformly distributed are connected with the filter screen, so that the filter screen is convenient to fix; the arrangement of the three arc-shaped strips and the net body is convenient for supporting and fixing the filter screen.

Further, be equipped with the adhesion cover on the filter equipment, the adhesion cover overlaps on three elasticity strips, and one of adhesion cover is served and is equipped with the first go-between with three arc strip swing joint, is equipped with the second go-between with fixed union coupling on the other end of adhesion cover, and fixed pipe stretches into in the adhesion cover, all is equipped with the activated carbon layer on the inner wall of adhesion cover and fixed pipe.

By adopting the technical scheme, when the filtering device is inserted into the suction cavity, the fixed pipe, the adhesion sleeve and the filter screen intercept foreign matters in the filtering device, so that most of the foreign matters generated in the suction cavity of the gear pump are adhered to the inner walls of the adhesion sleeve and the fixed pipe in the working process; when the filter device is cleaned, the filter device is separated from the suction cavity, then the first connecting ring and the second connecting ring are respectively separated from the three arc-shaped strips and the fixed pipe, the adhesion sleeve is taken down from the filter device, and finally the adhesion sleeve and the filter device are cleaned; the setting of activated carbon layer for the foreign matter adsorbs on fixed pipe and adhesion cover.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partial sectional structural schematic view of the pump body.

Fig. 3 is a schematic structural view of the filter device.

Fig. 4 is a schematic structural view of the adhesive cover.

Detailed Description

Embodiments of the present invention are further described with reference to fig. 1 to 4.

A multifunctional gear pump with easy cleaning of foreign matters adhered to the inner wall of a suction cavity and convenient cleaning of a filtering device.

The utility model discloses a concrete implementation art scheme: comprises a pump body 1, the pump body 1 comprises a suction cavity 2, a filtering device 3 is arranged on the pump body 1, an accommodating groove 4 which is coaxial with the suction cavity 2 is formed in the inner wall of the suction cavity 2, the accommodating groove 4 comprises an abutting end face 5, the filtering device 3 further comprises a fixed pipe 6, a connecting seat 7, elastic strips 8 and a filtering net 9, the cross sections of the fixed pipe 6 and the connecting seat 7 are circular and coaxial, the connecting seat 7 is sleeved on the fixed pipe 6 and movably connected with the fixed pipe 6, the elastic strips 8 are three, the three elastic strips 8 surround the fixed pipe 6, one ends of the three elastic strips 8 are connected with the fixed pipe 6, the three elastic strips 8 are uniformly arranged at intervals, the length direction of the elastic strips 8 is the same as the axial direction of the fixed pipe 6, the filtering net 9 comprises three arc strips 10 and a net body 11, the three arc strips 10 are arranged on the net body 11 in a triangular shape, the other ends of the three elastic strips 8, fixed pipe 6 stretches into suction chamber 2, and elastic strip 8 all stretches into suction chamber 2, and connecting seat 7 and suction chamber 2 threaded connection.

When the filtering device 3 is installed on the pump body 1, the filtering net 9 extends into the suction cavity 2, then the three elastic strips 8 are pushed into the suction cavity 2, so that the filtering net 9 enters the filtering cavity and is abutted against the abutting end face 5, the filtering net 9 wraps the outlet of the suction cavity 2, the filtering net 9 is supported on the abutting end face 5 by the three elastic strips 8, then the fixing pipe 6 extends into the suction cavity 2, the fixing pipe 6 supports the elastic strips 8, the elastic strips 8 are bent, so that the filtering net 9 is fixed on the abutting end face 5 and is not easy to move, and finally the connecting seat 7 is in threaded connection with the suction cavity 2, so that the filtering device 3 is fixed on the pump body 1; when the filter screen 9 is cleaned, the connecting seat 7 is separated from the suction cavity 2, and then the filter screen 9 is pulled out of the suction cavity 2, so that the filter device 3 is disassembled, and the filter device 3 is convenient to clean; the three elastic strips 8 which are uniformly distributed are connected with the filter screen 9, so that the filter screen 9 is convenient to fix; the arrangement of the three arc-shaped strips 10 and the net body 11 is convenient for supporting and fixing the filter screen 9.

Be equipped with adhesion cover 12 on filter equipment 3, adhesion cover 12 overlaps on three elastic strip 8, and adhesion cover 12 is served and is equipped with the first go-between 13 with three arc strip 10 swing joint, is equipped with the second go-between 14 of being connected with fixed pipe 6 on the other end of adhesion cover 12, and fixed pipe 6 stretches into in adhesion cover 12, all is equipped with activated carbon layer 15 on the inner wall of adhesion cover 12 and fixed pipe 6.

When the filter device 3 is inserted into the suction cavity 2, the fixed pipe 6, the adhesion sleeve 12 and the filter screen 9 intercept foreign matters in the filter device 3, so that most of the foreign matters generated in the suction cavity 2 of the gear pump are adhered to the inner walls of the adhesion sleeve 12 and the fixed pipe 6 in the working process, when the suction cavity 2 is cleaned, the filter device 3 is detached from the suction cavity 2, and the filter device 3 is cleaned, so that the suction cavity 2 is more easily and conveniently cleaned; when the filtering device 3 is cleaned, the filtering device 3 is separated from the suction cavity 2, then the first connecting ring 13 and the second connecting ring 14 are respectively separated from the three arc-shaped strips 10 and the fixed pipe 6, then the adhesion sleeve 12 is taken down from the filtering device 3, and finally the adhesion sleeve 12 and the filtering device 3 are cleaned, so that foreign matters are not easy to adhere to the inner wall of the suction cavity 2, and the cleaning of the foreign matters is very convenient; the activated carbon layer 15 is provided so that foreign matters are adsorbed on the fixing tube 6 and the adhesive cover 12.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. The utility model provides a multifunctional gear pump, includes the pump body, and the pump body is equipped with filter equipment, characterized by including the suction chamber on the pump body: open on the inner wall in suction chamber by with the coaxial holding tank in suction chamber, the holding tank is including the conflict terminal surface, filter equipment still includes fixed pipe, the connecting seat, elasticity strip and filter screen, fixed pipe is circular and coaxial with the cross-section of connecting seat, the connecting seat cover on fixed pipe and with fixed pipe swing joint, the elasticity strip is equipped with three, three elasticity strips encircle fixed pipe and three elasticity strips one end all with fixed union coupling, three elasticity strips are all apart from arranging, the length direction of elasticity strip is the same with the axis direction of fixed pipe, the filter screen includes three arc strip and dictyosome, three arc strip is arranged and is three horn shapes on the dictyosome and arranges, the other end of three elasticity strips is connected with three arc strip respectively, fixed pipe stretches into suction chamber, the elasticity strip all stretches into suction chamber, the connecting seat with suction chamber threaded connection.

2. A multi-function gear pump as set forth in claim 1, wherein: the filter device is provided with an adhesion sleeve, the adhesion sleeve is sleeved on the three elastic strips, one end of the adhesion sleeve is provided with a first connecting ring movably connected with the three arc-shaped strips, the other end of the adhesion sleeve is provided with a second connecting ring connected with a fixed pipe, the fixed pipe extends into the adhesion sleeve, and the inner walls of the adhesion sleeve and the fixed pipe are provided with activated carbon layers.