CN213419450U

CN213419450U - Booster pump

Info

Publication number: CN213419450U
Application number: CN202022165981.9U
Authority: CN
Inventors: 查宾格; 查劲松
Original assignee: Shanghai Chenju Electromechanical Technology Co ltd
Current assignee: Shanghai Chenju Electromechanical Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-11
Anticipated expiration: 2030-09-28

Abstract

The application relates to a booster pump, which comprises a pump body and a pump cover, wherein a water inlet pipe and a water outlet pipe are arranged at two ends of the pump cover, the pump cover is provided with a connecting pipe connected with the pump body, the output shaft of the pump body extends into the pump cover and is fixed with a stirring blade, a support plate is arranged between the pump body and the pump cover, the pump body is fixed on the support plate, an output shaft penetrates through the support plate, the output shaft of the pump body is rotatably and hermetically connected with the support plate, the support plate is fixedly connected with the end cover, the end cover is provided with a sealing device which comprises a sealing barrel integrally formed on the end face of the support plate far away from the pump body, the sealing device is characterized in that an annular yielding groove is formed in the outer wall of the sealing barrel, a retaining ring abutted against the yielding groove is fixed on the inner wall of the connecting pipe, and a sealing mechanism acting on the sealing barrel and playing a role in sealing is arranged on the retaining ring. This application pump body and pump cover have good sealed effect.

Description

Booster pump

Technical Field

The application relates to the field of booster pumps, in particular to a booster pump.

Background

The booster pump is a booster pump as its name implies, and is mainly used for pressurizing water heaters, high-rise and low-rise water pressure, sauna, bathing and the like, pressurizing at the uppermost floor of an apartment with insufficient water pressure, solar automatic pressurization, pressurization of reverse osmosis water purifiers and the like, and can be classified into manual control of the booster pump, EDI booster pump and the like according to the prevention of the control of the booster pump.

Referring to fig. 1, a support 25 for supporting the pump body 1 is arranged between the pump body 1 and the pump cover 2, an output shaft of the pump body 1 penetrates through the support 25 and is fixed on the support 25 in a sealing manner, the support 25 is fixedly connected to the pump cover 2 through bolts, and an annular sealing ring 13 for sealing is fixed between the support 25 and the pump cover 2.

In view of the above-mentioned related art, the inventor believes that there is a defect that the connection sealability between the bracket and the pump cover is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the leakproofness between support and the pump cover, this application provides a booster pump.

The application provides a booster pump adopts following technical scheme:

a booster pump comprises a pump body and a pump cover, wherein a water inlet pipe and a water outlet pipe are arranged at two ends of the pump cover, the pump cover is provided with a connecting pipe connected with the pump body, the output shaft of the pump body extends into the pump cover and is fixed with a stirring blade, a support plate is arranged between the pump body and the pump cover, the pump body is fixed on the support plate, an output shaft penetrates through the support plate, the output shaft of the pump body is rotatably and hermetically connected with the support plate, the support plate is fixedly connected with the pump cover, the pump cover is provided with a sealing device which comprises a sealing barrel integrally formed on the end surface of the support plate far away from the pump body, the sealing device is characterized in that an annular yielding groove is formed in the outer wall of the sealing barrel, a retaining ring abutted against the yielding groove is fixed on the inner wall of the connecting pipe, and a sealing mechanism acting on the sealing barrel and playing a role in sealing is arranged on the retaining ring.

Through adopting above-mentioned technical scheme, pass through the backup pad with the pump body and fix on the pump cover, make the up end of retaining ring support tightly in the inslot of stepping down, realize the sealing connection of a sealing section of thick bamboo and pump cover through sealing mechanism, prevent that rivers from spilling over from the joint portion of a sealing section of thick bamboo and pump cover.

Optionally, a flange which is flush with the end face and is abutted against the support plate is arranged on the end face of the connecting pipe abutted against the support plate, an annular groove taking the axis of the connecting pipe as a shaft is formed in the flange, an annular sealing ring is fixed in the annular groove, and the support plate and the flange are fixedly connected through bolts at the periphery of the annular sealing ring.

Through adopting above-mentioned technical scheme, the installation of the backup pad on the pump cover is convenient for in turn-ups setting, is provided with ring packing simultaneously on the turn-ups, carries out secondary seal to the pump body and pump cover, prevents that rivers from spilling over from the joint portion of pump cover and backup pad.

Optionally, sealing mechanism is including fixing sealed cylinder outer wall just is annular elastic seal circle, keep off the ring inner wall seted up with keep off the ring coaxial and be used for the joint elastic seal circle's spread groove, be provided with the butt ring in the spread groove and make the butt ring upward movement and with the elastic seal circle detached elastic component, sealing mechanism is still including setting up keep off on the ring and drive the butt ring supports tightly in the driving piece of elastic seal circle upper surface.

Through adopting above-mentioned technical scheme, insert the pump cover with the connecting pipe in to make the connecting pipe wear to establish in keeping off the intra-annular, elastic sealing ring enters into the spread groove, acts on the driving piece and makes the butt ring support tight elastic rubber pad on spread groove below inner wall, prevents that rivers from overflowing from the joint between a sealed section of thick bamboo and the fender ring.

Optionally, the elastic element is a limit spring vertically fixed on the inner wall of the connecting groove, one end of the limit spring is fixed on the inner wall of the connecting groove, and the other end of the limit spring is fixed on the upper surface of the abutting ring.

Through adopting above-mentioned technical scheme, under spacing spring's effect, the pulling butt ring upward movement makes butt ring lower extreme and spread groove inner wall form the space that is used for holding the elastic seal circle, makes the butt ring can be smooth use elastic seal circle upper surface to with spread groove inner wall combined action, support the elastic seal circle tightly in the spread groove, realize sealed fixed.

Optionally, a plurality of driving grooves communicated with the connecting groove are vertically formed in the upper end face of the baffle ring, and the driving piece is fixed to the upper surface of the abutting ring and the upper end of the driving piece extends to the driving rod outside the driving groove.

Through adopting above-mentioned technical scheme, at the in-process of installation, on the groove of stepping down of sealed section of thick bamboo was pressed against to actuating lever upper end, under the effect of sealed section of thick bamboo, promoted the actuating lever downstream to make the butt ring butt to on the elastic sealing ring.

Optionally, the upper end surface of the driving rod is horizontally provided with a driving ring connected with the driving rods, and the upper surface of the baffle ring is provided with an accommodating groove connected with the driving rods and used for accommodating the driving ring.

Through adopting above-mentioned technical scheme, the setting up of driving ring has increased with the area of the groove butt of stepping down, makes the motion of actuating lever steady simultaneously.

Optionally, a rubber pad which covers the upper surface of the driving ring and is abutted to the receding groove on the sealing barrel is fixed on the driving ring.

Through adopting above-mentioned technical scheme, the setting of rubber pad turns into the elastic contact with the rigid contact, reduces the damage to sealed section of thick bamboo and driving ring, prevents simultaneously that the groove butt of stepping down from when keeping off the ring terminal surface, the butt ring can't support tightly in elastic sealing ring.

Optionally, the upper surface of the baffle ring is provided with a sealing groove surrounding the driving ring, a sealing rib is arranged in the sealing groove and protrudes out of the upper surface of the baffle ring and is abutted to the abdicating groove on the sealing barrel.

Through adopting above-mentioned technical scheme, the setting of sealed muscle is sealed the pump body and pump cover three times, increases the reliability that the pump body and pump cover are sealed.

In summary, the present application includes at least one of the following beneficial technical effects:

the supporting plate provided with the pump body is fixedly connected to the pump cover through a bolt, the elastic sealing ring enters between the abutting ring and the inner wall below the connecting groove, and the driving ring is pushed to move downwards under the action of the sealing barrel, so that the abutting ring abuts against the upper surface of the elastic sealing ring, and the elastic sealing ring is fixedly connected with the retaining ring;

the sealing ribs are tightly abutted to the sealing barrel provided with the abdicating groove, so that the tightness of the connection between the pump body and the pump cover is further enhanced.

Drawings

Fig. 1 is a schematic view of a connection structure between a pump body and a pump cover in the related art.

Fig. 2 is a schematic view of the overall structure of the inside of the embodiment of the present application.

Fig. 3 is an enlarged schematic structural view of the portion a in fig. 2 of the application example.

Fig. 4 is a schematic diagram of an exploded structure of the sealing device of the present application.

Description of reference numerals: 1. a pump body; 2. a pump cover; 3. a water inlet pipe; 4. a water outlet pipe; 5. a connecting pipe; 6. a stirring blade; 7. a support plate; 8. a sealing cylinder; 9. a yielding groove; 10. a baffle ring; 11. flanging; 12. an annular groove; 13. an annular seal ring; 14. an elastic sealing ring; 15. a limiting spring; 16. a drive slot; 17. a drive rod; 18. a drive ring; 19. a rubber pad; 20. a receiving groove; 21. a sealing groove; 22. sealing the ribs; 23. a butting ring; 24. connecting grooves; 25. and (4) a bracket.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

In the related art, referring to fig. 1, a support 25 for supporting the pump body 1 is disposed between the pump body 1 and the pump cover 2, an output shaft of the pump body 1 penetrates through the support 25 and is fixed on the support 25 in a sealing manner, the support 25 is fixedly connected to the pump cover 2 through a bolt, and an annular sealing ring 13 for sealing is fixed between the support 25 and the pump cover 2.

The embodiment of the application discloses a booster pump. Referring to fig. 2, a booster pump comprises a pump body 1 and a pump cover 2, wherein a water inlet pipe 3 and a water outlet pipe 4 communicated with the inside of the pump cover 2 are arranged at two ends of the pump cover 2, a connecting pipe 5 connected with the pump body 1 is further arranged on the pump cover 2, an output shaft of the pump body 1 extends into the pump cover 2, and a stirring blade 6 which changes the pressure intensity inside the pump cover 2 and enables water flow to flow from the water inlet pipe 3 to the water outlet pipe 4 in a one-way mode is fixed at the end part of. The upper end face of the connecting pipe 5 is integrally formed with a flange 11 which is flush with the upper end face of the connecting pipe 5, a supporting plate 7 is arranged between the pump body 1 and the flange 11, the pump body 1 is fixed on the upper surface of the supporting plate 7, the output shaft of the pump body 1 penetrates through the upper surface and the lower surface of the supporting plate 7, and the output shaft of the pump body 1 is connected with the supporting plate 7 in a rotating and sealing mode. The lower surface of the support plate 7, which is far away from the pump body 1, is abutted against the upper surface of the flange 11 and is fixedly connected with the periphery of the annular groove 12 through a bolt, the annular groove 12 surrounding the connecting pipe 5 is formed in the upper surface of the flange 11, an annular sealing ring 13 made of rubber is fixed in the annular groove 12, the annular sealing ring 13 is abutted against the lower surface of the support plate 7, and the support plate 7 is connected with the connecting pipe 5 in a sealing manner.

Referring to fig. 1 and 2, a sealing device is arranged on the pump cover 2, the sealing device comprises a sealing barrel 8 which is integrally formed and is far away from the end face of the pump body 1 in a supporting plate 7, an annular yielding groove 9 is formed in the outer wall of the sealing barrel 8, the yielding groove 9 penetrates through the end part of the sealing barrel 8 far away from the supporting plate 7, a retaining ring 10 which is abutted to the yielding groove 9 is fixed on the inner wall of the connecting pipe 5, and a sealing mechanism which is used for sealing and has the effect of the sealing barrel 8 is arranged on the retaining ring 10.

Referring to fig. 2 to 4, the sealing mechanism includes an annular elastic sealing ring 14 fixed on the outer wall of the sealing cylinder 8, the elastic sealing ring 14 is horizontally disposed and takes the axis of the sealing cylinder 8 as an output shaft, a connecting groove 24 coaxial with the baffle ring 10 and used for clamping the elastic sealing ring 14 is formed on the inner wall of the baffle ring 10, the sealing cylinder 8 moves downwards, the elastic sealing ring 14 deforms, the elastic sealing ring 14 moves to the position of the connecting groove 24, the elastic sealing ring 14 is horizontally disposed, a butting ring 23 is disposed in the connecting groove 24, an elastic member is fixed on the upper surface of the butting ring 23, the elastic member is a limit spring 15, one end of the limit spring 15 is fixed on the upper surface of the butting ring 23, the other end is fixed on the inner wall of the connecting groove 24 and pulls the butting ring 23 to move towards the direction close to the supporting plate 7, so that a gap for the elastic sealing ring 14 to be, the upper surface of the baffle ring 10 close to the support plate 7 is provided with a plurality of driving grooves 16 communicated with a connecting groove 24, the connecting lines of the plurality of driving grooves 16 form an annular shape, a driving rod 17 extending into the corresponding driving groove 16 is fixed on the abutting ring 23, the upper end surface of the driving rod 17 far away from the abutting ring 23 is fixed with a driving ring 18 connected with the plurality of driving rods 17, a rubber pad 19 covering the upper surface of the driving ring 18 is fixed on the driving ring 18, and the upper surface of the baffle ring 10 close to the support plate 7 is provided with an accommodating groove 20 for accommodating the driving ring 18. The sealing cylinder 8 moves towards the interior of the pump cover 2, the elastic sealing ring 14 moves to a position between the inner wall gap of the support plate 7, which is far away from the support plate 7, of the abutting ring 23 and the connecting groove 24, the driving ring 18 abuts against the yielding groove 9, the driving ring 18 acts on the driving rod 17 and drives the abutting ring 23 to move towards the direction close to the elastic sealing ring 14, and abuts against the upper surface of the elastic sealing ring 14 under the action of the inner wall of the connecting groove 24, and therefore sealing connection between the sealing cylinder 8 and the retaining ring 10 is achieved.

Referring to fig. 2 and 3, a sealing groove 21 surrounding the driving ring 18 is formed in the upper surface of the baffle ring 10, a sealing rib 22 is arranged in the sealing groove 21, the sealing rib 22 is made of elastic rubber and protrudes out of the upper surface of the baffle ring 10, the sealing rib 22 abuts against the receding groove 9 in the sealing barrel 8, and further sealing processing is performed on the pump body 1 and the pump cover 2.

The implementation principle of the booster pump in the embodiment of the application is as follows: the supporting plate 7 which is provided with the pump body 1 is fixedly connected to the pump cover 2 through a bolt, the elastic sealing ring 14 generates certain deformation, when the elastic sealing ring 14 enters between the abutting ring 23 and the inner wall below the connecting groove 24, the abdicating groove 9 on the sealing barrel 8 acts on the driving ring 18, the driving ring 18 drives the driving rod 17 and pushes the abutting ring 23 to move towards the direction close to the elastic sealing ring 14, and abuts against the upper surface of the elastic sealing ring 14, the fixed connection between the elastic sealing ring 14 and the abutment ring 10 is realized, meanwhile, the sealing rib 22 abuts against the abdicating groove 9, the annular sealing ring 13 abuts against the supporting plate 7, and the sealed fixed connection between the pump body 1 and the pump cover 2 is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A booster pump comprises a pump body (1) and a pump cover (2), wherein a water inlet pipe (3) and a water outlet pipe (4) are arranged at two ends of the pump cover (2), the pump cover (2) is provided with a connecting pipe (5) connected with the pump body (1), an output shaft of the pump body (1) extends into the pump cover (2) and is fixed with stirring blades (6), a support plate (7) is arranged between the pump body (1) and the pump cover (2), the pump body (1) is fixed on the upper surface of the support plate (7) far away from the connecting pipe (5), an output shaft penetrates through the support plate (7), the output shaft of the pump body (1) is connected with the supporting plate (7) in a rotating and sealing way, backup pad (7) with pump cover (2) fixed connection, be provided with sealing device on pump cover (2), its characterized in that: sealing device includes integrated into one piece and keeps away from in backup pad (7) the sealed section of thick bamboo (8) of the pump body (1) terminal surface, sealed section of thick bamboo (8) outer wall seted up the annular and run through to groove (9) of stepping down of terminal surface under sealed section of thick bamboo (8), connecting pipe (5) inner wall be fixed with keep off ring (10) of groove (9) butt of stepping down, keep off be provided with on ring (10) with sealed section of thick bamboo (8) effect and play the sealing mechanism of sealed effect.

2. A booster pump as claimed in claim 1, wherein: connecting pipe (5) with be provided with on the terminal surface of backup pad (7) butt flush with this terminal surface and with turn-ups (11) of backup pad (7) butt, set up on turn-ups (11) with connecting pipe (5) axis is ring channel (12) of axle, ring channel (12) internal fixation has ring packing (13), backup pad (7) with turn-ups (11) are in the periphery of ring packing (13) is through bolt fixed connection.

3. A booster pump as claimed in claim 1, wherein: sealing mechanism is including fixing sealed section of thick bamboo (8) outer wall just is annular elastic seal circle (14), keep off ring (10) inner wall seted up with keep off ring (10) coaxial and be used for the joint spread groove (24) of elastic seal circle (14), be provided with in spread groove (24) butt ring (23) and make butt ring (23) upward movement and with elastic seal circle (14) detached elastic component, sealing mechanism is still including setting up keep off on ring (10) and drive butt ring (23) support tightly in the driving piece of annular seal circle (13) upper surface.

4. A booster pump according to claim 3, wherein: the elastic component is vertically fixed on a limiting spring (15) on the inner wall of the connecting groove (24), one end of the limiting spring (15) is fixed on the inner wall of the connecting groove (24), and the other end of the limiting spring is fixed on the upper surface of the abutting ring (23).

5. The booster pump of claim 4, wherein: keep off ring (10) up end vertical seted up with a plurality of drive groove (16) of connecting groove (24) intercommunication, the driving piece is fixed butt ring (23) upper surface and upper end extend to drive lever (17) outside drive groove (16).

6. The booster pump of claim 5, wherein: the driving ring (18) connected with the plurality of driving rods (17) is horizontally arranged on the upper end surface of the driving rod (17), and the accommodating groove (20) connected with the plurality of driving rods (17) and used for accommodating the driving ring (18) is formed in the upper surface of the baffle ring (10).

7. The booster pump of claim 6, wherein: and a rubber pad (19) which covers the upper surface of the driving ring (18) and is abutted with the yielding groove (9) on the sealing barrel (8) is fixed on the driving ring (18).

8. The booster pump of claim 7, wherein: keep off ring (10) upper surface and seted up and encircle seal groove (21) of drive ring (18), be provided with sealing rib (22) in seal groove (21), sealing rib (22) protrusion in keep off ring (10) upper surface and with groove (9) the butt of stepping down on the sealed section of thick bamboo (8).