CN214698309U

CN214698309U - Liquid filling gear pump

Info

Publication number: CN214698309U
Application number: CN202120110731.7U
Authority: CN
Inventors: 房国曙; 陈甲兵
Original assignee: Suzhou Mackay West Fluid Technology Co ltd
Current assignee: Suzhou Mackay West Fluid Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-12
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a liquid filling gear pump, concretely relates to liquid filling technical field, which comprises a pump body, one side fixedly connected with connecting block of the pump body, the lumen that communicates with pump body inner chamber is seted up to the inside of connecting block, the inside of connecting block is located the lumen middle part and has seted up the mounting groove, the inside of mounting groove is provided with the filter cartridge through location structure, the inside of filter cartridge is provided with the clearance structure, one side fixedly connected with feed liquor pipe of connecting block, the inside of the pump body is provided with gear structure, one side fixedly connected with drain pipe of connecting block is kept away from to the pump body. The utility model discloses have and filter the effect that prevents that its entering pump body from influencing inner structure to the impurity in the filling liquid, conveniently clear up simultaneously through setting up the impurity in the effective separation liquid of filter cartridge and clearance structure, be convenient for install the filter cartridge and dismantle convenient clearance maintenance through setting up limiting plate and location structure.

Description

Liquid filling gear pump

Technical Field

The utility model relates to a liquid filling technical field, more specifically say, the utility model relates to a liquid filling gear pump.

Background

As a modern packaging machine, a filling apparatus is generally classified into a viscous material filling apparatus and a liquid material filling apparatus, in which a gear pump is commonly used, the gear pump is a pump that transfers a liquid medium by means of two or more gears sealed in a housing, and a working space volume change is generated during a process of meshing the gears with each other. When the gear rotates, the volume of the space on the gear disengagement side is increased from small to large, vacuum is formed, and the liquid medium is sucked in, and the volume of the space on the gear engagement side is decreased from large to small, so that the liquid medium is squeezed into the pipeline.

However, in practical use, when the gear pump is used for filling, particle impurities in a liquid medium easily enter the pump body along with liquid to damage an internal gear structure, so that the gear is accelerated to wear and even break, and the gear pump is not beneficial to long-term use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a liquid filling gear pump 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: the utility model provides a liquid filling gear pump, includes the pump body, one side fixedly connected with connecting block of the pump body, the lumen that communicates with pump body inner chamber is seted up to the inside of connecting block, the inside of connecting block is located the lumen middle part and has seted up the mounting groove, the inside of mounting groove is provided with the filter cartridge through location structure, the inside of filter cartridge is provided with the clearance structure, one side fixedly connected with of connecting block and the feed liquor pipe of lumen intercommunication, the inside of the pump body is provided with gear structure, the drain pipe of one side fixedly connected with and pump body inner chamber intercommunication of connecting block is kept away from to the pump body.

Further, location structure includes that the filter cartridge top extends connecting block fixed connection's limiting plate, the constant head tank has been seted up to the bilateral symmetry of limiting plate, the inside slip of constant head tank is provided with the slider, one side fixedly connected with that the slider was kept away from mutually extends to the outside pressing block of limiting plate, fixedly connected with positioning spring between one side that the slider is relative and constant head tank inner wall, logical groove has been seted up to the bottom of constant head tank, the bottom fixedly connected with of slider extends to the cardboard of limiting plate below, the draw-in groove has been seted up to the position that the top of connecting block corresponds the cardboard, the cardboard extends the limiting plate joint inside the draw-in groove.

Furthermore, the both sides of filter cartridge offer with the opening of lumen intercommunication, the inside fixed mounting of opening that filter cartridge is close to pump body one side has the filter screen.

Further, the bottom of the limiting plate is fixedly provided with a sealing washer around the filter box, and the limiting plate is in close contact with the top of the connecting block through the sealing washer.

Further, the clearance structure includes that the vertical slip sets up the slide at the filter cartridge inner chamber, it is provided with the screw rod to rotate perpendicularly through the bearing in the inner chamber of filter cartridge, wear to locate the slide of screw rod and with slide threaded connection, the slide is close to one side fixedly connected with brush board of filter screen, the brush board passes through brush and filter screen contact, the top of screw rod extends to the top fixedly connected with commentaries on classics piece of filter cartridge and limiting plate.

Further, the gear structure includes two pivots that set up in pump body inner chamber through bearing symmetry rotation, the equal fixed cover in surface of pivot is equipped with drive gear, two mesh between the drive gear, the front side fixedly connected with motor of the pump body, one of them the pivot is close to the one end of motor and extends the pump body and passes through shaft coupling and motor output shaft fixed connection.

Furthermore, pipe valves are fixedly mounted on the pipe walls of the liquid inlet pipe and the liquid outlet pipe.

The utility model discloses a technological effect and advantage:

1. through the arrangement of the filter box and the cleaning structure, compared with the prior art, particle impurities contained in the liquid can be blocked by the filter screen when the filling liquid flows through the pipe cavity, so that the particle impurities are prevented from entering the pump body to damage the transmission gear, when the filter screen is blocked after long-term use, the rotating block can be rotated to enable the screw to rotate to drive the sliding plate to vertically displace in the filter box, the filter screen is cleaned and cleaned through the brush plate in the vertical displacement process, the cleaned impurities fall into the bottom of the filter box to be accumulated, and the effect of effectively filtering the impurities in the filling liquid to prevent the impurities from entering the pump body to damage the internal structure is achieved;

2. through setting up limiting plate and location structure, compared with the prior art, can set up the filter cartridge in the mounting groove through the limiting plate, thereby promote the slider through positioning spring and make cardboard and draw-in groove joint fix the restriction that filter cartridge stabilizes at the connecting block top in the mounting groove with the limiting plate, thereby can make cardboard and draw-in groove separation relieve the location of stopper fast through pressing down the pressing block of pressing down the limiting plate both sides, can take out the filter cartridge from the mounting groove through the limiting plate this moment, reach the effect of carrying out quick assembly disassembly to the filter cartridge through the limiting plate, thereby conveniently install and clear up the rose box and maintain.

Drawings

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

Fig. 2 is a schematic view of the overall cross-sectional structure of the present invention.

Fig. 3 is a schematic side view of the cross-sectional structure of the present invention.

Fig. 4 is an enlarged cross-sectional view of the structure shown in fig. 3 according to the present invention.

Fig. 5 is a schematic sectional view of the internal structure of the filter cartridge of the present invention.

The reference signs are: 1. a pump body; 2. connecting blocks; 3. a lumen; 4. mounting grooves; 5. a filter cartridge; 6. a liquid inlet pipe; 7. a liquid outlet pipe; 8. a limiting plate; 9. positioning a groove; 10. a slider; 11. a pressing block; 12. a positioning spring; 13. a through groove; 14. clamping a plate; 15. a card slot; 16. a port; 17. filtering with a screen; 18. a sealing gasket; 19. a slide plate; 20. a screw; 21. brushing the board; 22. rotating the block; 23. a rotating shaft; 24. a transmission gear; 25. a motor; 26. a tube valve.

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.

The liquid filling gear pump shown in the attached drawings 1-5 comprises a pump body 1, one side of the pump body 1 is fixedly connected with a connecting block 2, a pipe cavity 3 communicated with an inner cavity of the pump body 1 is formed in the connecting block 2, the inside of the connecting block 2 is located in the middle of the pipe cavity 3 and is provided with a mounting groove 4, the inside of the mounting groove 4 is provided with a filter box 5 through a positioning structure, the inside of the filter box 5 is provided with a cleaning structure, one side of the connecting block 2 is fixedly connected with a liquid inlet pipe 6 communicated with the pipe cavity 3, the inside of the pump body 1 is provided with a gear structure, and one side of the pump body 1, which is far away from the connecting block 2, is fixedly connected with a liquid outlet pipe 7 communicated with the inner cavity of the pump body 1.

In a preferred embodiment, the positioning structure comprises a limiting plate 8 fixedly connected with a connecting block 2 and extending from the top of the filter cartridge 5, positioning grooves 9 are symmetrically formed in two sides of the limiting plate 8, a slider 10 is slidably arranged in each positioning groove 9, a pressing block 11 extending to the outside of the limiting plate 8 is fixedly connected to the side, away from the slider 10, of the slider 10, a positioning spring 12 is fixedly connected between the side, opposite to the slider 10, and the inner wall of each positioning groove 9, a through groove 13 is formed in the bottom of each positioning groove 9, a clamping plate 14 extending to the lower side of the limiting plate 8 is fixedly connected to the bottom of the slider 10, a clamping groove 15 is formed in the top of the connecting block 2 corresponding to the position of the clamping plate 14, the clamping plate 14 extends out of the limiting plate 8 and is clamped in the clamping groove 15, so that the filter cartridge 5 can be arranged in the mounting groove 4 through the limiting plate 8, and the positioning springs 12 push the sliders 10 on two sides to drive the clamping plate 14 to be clamped with the clamping groove 15, thereby make limiting plate 8 fix and make filter cartridge 5 stabilize the location inside mounting groove 4 at the top of connecting block 2, thereby can promote slider 10 to drive cardboard 14 and draw-in groove 15 separation and remove limiting plate 8's fixed thereby can take filter cartridge 5 out from mounting groove 4 through limiting plate 8 through pressing the pressing block 11 of 8 both sides of limiting plate, reach the effect of the dismouting filter cartridge 5 of being convenient for.

In a preferred embodiment, the two sides of the filter cartridge 5 are provided with through openings 16 communicated with the tube cavity 3, and a filter screen 17 is fixedly installed inside the through opening 16 on one side of the filter cartridge 5 close to the pump body 1, so that the liquid flows to the pump body 1 through the filter cartridge 5 through the through opening 16, and the granular impurities flowing through the liquid are blocked by the filter screen 17, so as to filter out the impurities of the filling liquid.

In a preferred embodiment, a sealing washer 18 is fixedly mounted at the bottom of the limiting plate 8 around the filter cartridge 5, and the limiting plate 8 is in close contact with the top of the connecting block 2 through the sealing washer 18, so that the sealing performance between the tube cavity 3 and the inside of the mounting groove 4 is ensured through the sealing washer 18, and the liquid is prevented from permeating and flowing out during the filling process.

In a preferred embodiment, the cleaning structure comprises a sliding plate 19 vertically slidably arranged in an inner cavity of the filter box 5, a screw 20 is vertically rotatably arranged in the inner cavity of the filter box 5 through a bearing, the screw 20 penetrates through the sliding plate 19 and is in threaded connection with the sliding plate 19, a brush plate 21 is fixedly connected to one side of the sliding plate 19 close to the filter screen 17, the brush plate 21 is in contact with the filter screen 17 through a brush, the top end of the screw 20 extends to a rotating block 22 fixedly connected to the upper portion of the filter box 5 and the upper portion of the limiting plate 8, so that the screw 20 is driven to rotate through rotation of the rotating block 22 to enable the sliding plate 19 to vertically move up and down in the filter box 5, and the brush plate 21 is driven to perform brushing cleaning and cleaning on the filter screen 17 through the brush in the up-down moving process, and the effect of cleaning the filter screen 17 to prevent blockage is achieved.

In a preferred embodiment, the gear structure comprises two rotating shafts 23 symmetrically and rotatably arranged in the inner cavity of the pump body 1 through bearings, the surfaces of the rotating shafts 23 are respectively and fixedly sleeved with a transmission gear 24, the two transmission gears 24 are engaged with each other, the front side of the pump body 1 is fixedly connected with a motor 25, one end of one rotating shaft 23 close to the motor 25 extends out of the pump body 1 and is fixedly connected with an output shaft of the motor 25 through a coupler, so that the motor 25 is started to drive one rotating shaft 23 to rotate, the transmission gear 24 on the surface of the rotating shaft is driven to rotate, the other transmission gear 24 is driven to synchronously and reversely rotate with the rotating shaft 23, and the effect of pushing the filling liquid to the liquid outlet pipe 7 is achieved.

In a preferred embodiment, pipe valves 26 are fixedly installed on the pipe walls of the liquid inlet pipe 6 and the liquid outlet pipe 7, so that the communication and the sealing of the liquid inlet pipe 6 and the liquid outlet pipe 7 can be flexibly controlled through the pipe valves 26, the filling work is convenient, and the invasion of external impurities can be prevented when the device is idle.

The utility model discloses the theory of operation: when the liquid filter is used, the liquid inlet pipe 6 and the liquid outlet pipe 7 are opened through the pipe valve 26, the starting motor 25 drives the transmission gear 24 to synchronously and reversely rotate around the corresponding rotating shaft 23, so that a local vacuum is generated at an opening at one side of the pump body 1 close to the liquid inlet pipe 6, liquid is sucked from the liquid inlet pipe 6 and flows through the connecting block 2 and then enters the pump body 1, meanwhile, an opening at one side of the pump body 1 close to the liquid outlet pipe 7 generates pressure to discharge the liquid through the liquid outlet pipe 7, the filling work of the liquid is completed, some particle impurities in the liquid can be filtered through the filter screen 17 in the process of flowing through the filter box 5, the impurities are effectively prevented from entering the pump body 1 to cause the transmission gear 24 to be worn, the internal structure of the pump body 1 is protected, the service life is prolonged, when the filter screen 17 is blocked after being used for a long time, the screw rod 20 can be driven by rotating the rotating block 22 to cause the slide plate 19 to vertically displace and the filter screen 17 is scrubbed in the displacement process through the brush plate 21, the impurity of clearance will fall into the bottom of filter cartridge 5 and pile up, can make cardboard 14 and draw-in groove 15 separation relieve the location of limiting plate 8 through pressing the briquetting 11 of pressing down 8 both sides of limiting plate to take out filter cartridge 5 from mounting groove 4 through limiting plate 8 and clear up, reach the effect of being convenient for clear up filter cartridge 5.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid filling gear pump, includes the pump body (1), its characterized in that: one side fixedly connected with connecting block (2) of the pump body (1), lumen (3) with the intercommunication of pump body (1) inner chamber is seted up to the inside of connecting block (2), the inside of connecting block (2) is located lumen (3) middle part and has seted up mounting groove (4), the inside of mounting groove (4) is provided with filter cartridge (5) through location structure, the inside of filter cartridge (5) is provided with the clearance structure, one side fixedly connected with of connecting block (2) and feed liquor pipe (6) of lumen (3) intercommunication, the inside of the pump body (1) is provided with gear structure, one side fixedly connected with of connecting block (2) and drain pipe (7) of the intercommunication of pump body (1) inner chamber are kept away from to the pump body (1).

2. The liquid-filling gear pump of claim 1, wherein: the positioning structure comprises a limiting plate (8) fixedly connected with a connecting block (2) and extending out of the top of the filter box (5), positioning grooves (9) are symmetrically formed in two sides of the limiting plate (8), a sliding block (10) is slidably arranged in each positioning groove (9), one side of the slide block (10) far away from the slide block is fixedly connected with a pressing block (11) extending to the outside of the limit plate (8), a positioning spring (12) is fixedly connected between one side of the sliding block (10) opposite to the inner wall of the positioning groove (9), a through groove (13) is arranged at the bottom of the positioning groove (9), a clamping plate (14) extending to the lower part of the limiting plate (8) is fixedly connected at the bottom of the sliding block (10), a clamping groove (15) is arranged at the top of the connecting block (2) corresponding to the clamping plate (14), the clamping plate (14) extends out of the limiting plate (8) and is clamped in the clamping groove (15).

3. The liquid-filling gear pump of claim 2, wherein: opening (16) with lumen (3) intercommunication are seted up to the both sides of filter cartridge (5), filter cartridge (5) are close to the inside fixed mounting of opening (16) on one side of the pump body (1) have filter screen (17).

4. The liquid-filling gear pump of claim 3, wherein: the bottom of the limiting plate (8) is fixedly provided with a sealing washer (18) around the filter box (5), and the limiting plate (8) is in close contact with the top of the connecting block (2) through the sealing washer (18).

5. The liquid-filling gear pump of claim 4, wherein: clearance structure includes slide (19) that the vertical slip set up in filter box (5) inner chamber, it is provided with screw rod (20) to rotate perpendicularly through the bearing in the inner chamber of filter box (5), slide (19) and with slide (19) threaded connection wear to locate of screw rod (20), slide (19) are close to one side fixedly connected with brush board (21) of filter screen (17), brush board (21) are through brush and filter screen (17) contact, the top fixedly connected with commentaries on classics piece (22) of filter box (5) and limiting plate (8) are extended to on the top of screw rod (20).

6. The liquid-filling gear pump of claim 5, wherein: the gear structure includes that it sets up two pivot (23) in the pump body (1) inner chamber to rotate through the bearing symmetry, the surface of pivot (23) is all fixed the cover and is equipped with drive gear (24), two mesh between drive gear (24), the front side fixedly connected with motor (25) of the pump body (1), one of them pivot (23) are close to the one end of motor (25) and extend the pump body (1) and pass through shaft coupling and motor (25) output shaft fixed connection.

7. The liquid-filling gear pump of claim 6, wherein: pipe valves (26) are fixedly arranged on the pipe walls of the liquid inlet pipe (6) and the liquid outlet pipe (7).