CN213392538U

CN213392538U - Diaphragm type metering pump capable of preventing blockage

Info

Publication number: CN213392538U
Application number: CN202022379871.2U
Authority: CN
Inventors: 童小妹; 李伟国; 夏云霞; 吴亮; 吴祖诚
Original assignee: Changzhou Tuochuan Pump Technology Co ltd
Current assignee: Changzhou Tuochuan Pump Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a prevent diaphragm type measuring pump of jam, including the pump body, filter, dead lever and pump case, the delivery port has been seted up to pump body upper end, and delivery port inner wall fixed mounting has last ball seat to go up ball seat internal connection and export the ball valve, the water inlet has been seted up to pump body lower extreme, and water inlet inner wall fixed mounting has lower ball seat to ball seat internal connection has the entry ball valve down, pump body right side fixed mounting has the diaphragm, the filter upper end is through screw thread fixedly connected with water inlet, filter upside fixed mounting has little rubber seal, the pump case left end passes through bolt fixed mounting and has the pump body, pump case left side fixed mounting has big rubber seal. This prevent diaphragm type measuring pump water inlet department of jam installs the filter, through the solid separation of filter in with some liquid outside the pump body, prevents that the solid from blockking up the pump body to the size of flow can be adjusted through the distance of adjustment dead lever.

Description

Diaphragm type metering pump capable of preventing blockage

Technical Field

The utility model relates to a measuring pump technical field specifically is a prevent diaphragm type measuring pump of jam.

Background

Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. By using a plurality of metering pumps, several media can be input into the process flow according to an accurate proportion for mixing. Due to its own prominence, metering pumps are now widely used in various industrial fields such as petrochemical industry, pharmaceutical industry, food industry, and the like.

However, the existing metering pump has the following problems:

the metering pump often can carry mixed liquid once, probably because mix not enough in these liquid, can produce some not completely melt solid, because the metering pump is very delicate device, often can lead to the inside jam of pump body because these solid flow in the pump, damage the problem of metering pump.

Aiming at the problems, innovative design is urgently needed on the basis of the original metering pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent diaphragm type measuring pump of jam to solve above-mentioned background art and propose that the measuring pump can carry mixed liquid once often, probably because mix not enough even in these liquid, can produce some solid that do not melt completely, because the measuring pump is very accurate device, often can lead to the inside jam of the pump body because these solids flow in the pump, damage the problem of measuring pump.

In order to achieve the above object, the utility model provides a following technical scheme: a diaphragm type metering pump capable of preventing blockage comprises a pump body, a filter, a fixed rod and a pump shell, wherein a water outlet is formed in the upper end of the pump body, an upper ball seat is fixedly arranged on the inner wall of the water outlet, an outlet ball valve is connected inside the upper ball seat, a water inlet is formed in the lower end of the pump body, a lower ball seat is fixedly arranged on the inner wall of the water inlet, an inlet ball valve is connected inside the lower ball seat, a diaphragm is fixedly arranged on the right side of the pump body, the upper end of the filter is fixedly connected with a water inlet through threads, a small rubber sealing ring is fixedly arranged on the upper side of the filter, a filter screen is fixedly arranged on the inner wall of the filter, a fixed seat is fixedly connected to the left side of the fixed, the pump shell comprises a pump shell body, a large rubber sealing ring, a diaphragm, a cover plate and a cylinder, wherein the pump shell body is fixedly arranged at the left end of the pump shell body through bolts, the large rubber sealing ring is fixedly arranged on the left side of the pump shell body, the diaphragm is fixedly connected to the left side of the large rubber sealing ring, the cover plate is fixedly arranged at the upper end of the pump.

Preferably, the diaphragm is tightly connected with the pump shell through a large rubber sealing ring, and the diaphragm forms a contraction structure through a fixed seat.

Preferably, the outlet ball valve forms a closed structure with the upper ball seat through water flow, and the inlet ball valve forms a closed structure with the lower ball seat through water flow.

Preferably, the filter forms detachable construction through the screw thread with the water inlet, and the filter screen diameter is the same with the filter internal diameter.

Preferably, the fixed rod and the cylinder form a sliding structure through a sliding rod, and the cylinder penetrates through the pump shell and is connected with the sliding rod.

Preferably, the locking handle penetrates through the fixed rod to be connected with the sliding rod, and the cover plate and the pump shell form a detachable structure through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the filter is arranged at the water inlet of the diaphragm metering pump for preventing blockage, solids in liquid are blocked outside the pump body through the filter, the pump body is prevented from being blocked by the solids, and the flow can be adjusted by adjusting the distance of the fixed rod;

1. the fixed rod and the cylinder form a sliding structure through the sliding rod, and the fixed rod is slid to adjust the distance between the fixed rod and the cylinder so as to adjust the contraction size of the diaphragm and control the flow;

2. be equipped with the filter and pass through the screw thread and form detachable construction with the water inlet, through installing the filter additional, the solid separation in with some liquid through the filter is outside the pump body, prevents that the solid from blockking up the pump body to increase the life-span of measuring pump.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a left side schematic view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic sectional view of the filter according to the present invention.

In the figure: 1. a pump body; 2. a membrane; 3. an outlet ball valve; 4. a water outlet; 5. a ball seat is arranged; 6. an inlet ball valve; 7. a ball seat is arranged; 8. a filter; 9. a large rubber seal ring; 10. a fixed seat; 11. a filter screen; 12. a water inlet; 13. fixing the rod; 14. a slide bar; 15. a pump housing; 16. a cylinder; 17. locking the handle; 18. a cover plate; 19. a small rubber seal 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.

Referring to fig. 1-4, the present invention provides a technical solution: a diaphragm type metering pump for preventing blockage comprises a pump body 1, a diaphragm 2, an outlet ball valve 3, a water outlet 4, an upper ball seat 5, an inlet ball valve 6, a lower ball seat 7, a filter 8, a large rubber sealing ring 9, a fixing seat 10, a filter screen 11, a water inlet 12, a fixing rod 13, a sliding rod 14, a pump shell 15, an air cylinder 16, a locking handle 17, a cover plate 18 and a small rubber sealing ring 19, wherein the water outlet 4 is formed in the upper end of the pump body 1, the inner wall of the water outlet 4 is fixedly provided with the upper ball seat 5, the upper ball seat 5 is internally connected with the outlet ball valve 3, the lower end of the pump body 1 is provided with the water inlet 12, the inner wall of the water inlet 12 is fixedly provided with the lower ball seat 7, the lower ball seat 7 is internally connected with the inlet ball valve 6, the diaphragm 2 is, 8 inner wall fixed mounting of filter has

filter screen

11, 13 left sides fixedly connected with fixing base 10 of dead lever, and 10 left sides fixed mounting of fixing base has

diaphragm

2, 13 upside fixed mounting of dead lever has

locking handle

17, 13 right sides of dead lever are connected with

slide bar

14, and 14 right-hand members fixedly connected with cylinders 16 of slide bar, 15 left ends of pump case have the pump body 1 through bolt fixed mounting, 15 left sides fixed mounting of pump case has

big rubber seal

9, and 9 left sides fixedly connected with diaphragms 2 of big rubber seal, 15 upper ends of pump case have apron 18 through bolt fixed mounting, 15 right-hand members of pump case pass through bolt fixedly connected with cylinders 16.

In this example, the diaphragm 2 is tightly connected with the pump casing 15 through the large rubber sealing ring 9, and the diaphragm 2 forms a contraction structure through the fixing seat 10, and the air pressure in the pump body 1 is adjusted through the contraction of the diaphragm 2.

The outlet ball valve 3 forms a closed structure with the upper ball seat 5 through water flow, the inlet ball valve 6 forms a closed structure with the lower ball seat 7 through water flow, the inlet ball valve 6 is lifted due to air pressure change in the pump body 1, water flows into the pump body 1 from the water inlet 12, and the outlet ball valve 3 is lifted due to air pressure change in the pump body 1, so that the water is discharged from the water outlet 4.

Filter 8 passes through the screw thread and forms detachable construction with water inlet 12, and the filter screen 11 diameter is the same with the 8 internal diameters of filter, through installing filter 8 additional, prevents that the solid from blockking the pump body 1 outside the pump body 1 through the solid separation of filter 8 in with some liquid to increase the life-span of measuring pump.

The fixed rod 13 forms a sliding structure with the air cylinder 16 through the sliding rod 14, the air cylinder 16 penetrates through the pump shell 15 to be connected with the sliding rod 14, the locking handle 17 penetrates through the fixed rod 13 to be connected with the sliding rod 14, the cover plate 18 forms a detachable structure with the pump shell 15 through a bolt, the cover plate 18 is opened, the locking handle 17 is loosened, and then the fixed rod 13 is moved to adjust the contraction size of the diaphragm 2, so that the flow rate is controlled.

The working principle is as follows: in the use of the diaphragm type metering pump for preventing clogging, as shown in fig. 3 to 4, the filter 8 is installed at the lower end of the water inlet 12, and the cover plate 18 is opened by a bolt.

According to the figure 1-2, the locking handle 17 is loosened, the fixing rod 13 is moved, the distance between the fixing seat 10 and the air cylinder 16 is adjusted, so that the contraction size of the membrane 2 is adjusted, the locking handle 17 is locked after the adjustment is finished, and the cover plate 18 is installed. Pipeline in the termination of 1 both ends of the pump body, cylinder 16 begins work, cylinder 16 makes slide bar 14 horizontal slip, slide bar 14 drives diaphragm 2 and contracts, diaphragm 2 contracts and makes the vacuum adsorption in the pump body 1 and push away crowded in the pump body 1 right side, when diaphragm 2 expands to the right side, produce vacuum adsorption, export ball valve 3 is closed with last ball seat 5, entry ball valve 6 upwards floats because of the vacuum adsorption of the pump body 1, liquid flows in because of the pump body 1 from water inlet 12, when diaphragm 2 contracts to the left side, produce thrust in the pump body 1, entry ball valve 6 is closed with lower ball seat 7, make liquid can not flow into the pump body 1 through water inlet 12, export ball valve 3 upwards floats because of the thrust in the pump body 1, liquid is released from delivery port 4.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent diaphragm type measuring pump of jam, includes the pump body (1), filter (8), dead lever (13) and pump case (15), its characterized in that: the water outlet (4) is formed in the upper end of the pump body (1), the upper ball seat (5) is fixedly mounted on the inner wall of the water outlet (4), the outlet ball valve (3) is connected to the inner portion of the upper ball seat (5), the water inlet (12) is formed in the lower end of the pump body (1), the lower ball seat (7) is fixedly mounted on the inner wall of the water inlet (12), the inlet ball valve (6) is connected to the inner portion of the lower ball seat (7), the diaphragm (2) is fixedly mounted on the right side of the pump body (1), the water inlet (12) is fixedly connected to the upper end of the filter (8) through threads, the small rubber sealing ring (19) is fixedly mounted on the upper side of the filter (8), the filter screen (11) is fixedly mounted on the inner wall of the filter (, dead lever (13) upside fixed mounting has locking handle (17), dead lever (13) right side is connected with slide bar (14), and slide bar (14) right-hand member fixedly connected with cylinder (16), pump case (15) left end has the pump body (1) through bolt fixed mounting, pump case (15) left side fixed mounting has big rubber seal (9), and big rubber seal (9) left side fixedly connected with diaphragm (2), there is apron (18) pump case (15) upper end through bolt fixed mounting, pump case (15) right-hand member passes through bolt fixedly connected with cylinder (16).

2. The diaphragm metering pump for preventing clogging of claim 1, wherein: the diaphragm (2) is tightly connected with the pump shell (15) through a large rubber sealing ring (9), and the diaphragm (2) forms a contraction structure through a fixed seat (10).

3. The diaphragm metering pump for preventing clogging of claim 1, wherein: the outlet ball valve (3) forms a closed structure with the upper ball seat (5) through water flow, and the inlet ball valve (6) forms a closed structure with the lower ball seat (7) through water flow.

4. The diaphragm metering pump for preventing clogging of claim 1, wherein: the filter (8) and the water inlet (12) form a detachable structure through threads, and the diameter of the filter screen (11) is the same as the inner diameter of the filter (8).

5. The diaphragm metering pump for preventing clogging of claim 1, wherein: the fixed rod (13) and the air cylinder (16) form a sliding structure through the sliding rod (14), and the air cylinder (16) penetrates through the pump shell (15) to be connected with the sliding rod (14).

6. The diaphragm metering pump for preventing clogging of claim 1, wherein: the locking handle (17) penetrates through the fixing rod (13) to be connected with the sliding rod (14), and the cover plate (18) and the pump shell (15) form a detachable structure through bolts.