CN213450712U

CN213450712U - Reciprocating diaphragm type metering pump with built-in cleaning and dredging structure

Info

Publication number: CN213450712U
Application number: CN202022398233.5U
Authority: CN
Inventors: 夏云霞; 童小妹; 李伟国; 吴亮; 吴祖诚
Original assignee: Changzhou Tuochuan Pump Technology Co ltd
Current assignee: Changzhou Tuochuan Pump Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-15
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a reciprocating type diaphragm type measuring pump of built-in clearance mediation structure, including measuring pump body, inlet tube and inner chamber, the pump head is installed in measuring pump body left side, and the inside water wheels that is provided with of pump head to water wheels inside is fixed with the bull stick, the inside fixed frame of all installing in measuring pump body left side, and fixed frame inboard all welds and have first spring to first spring inboard all is fixed with the buckle, measuring pump body below screw is fixed with the water tank, and water tank internally mounted has the refrigeration water pump to both sides all are sealed fixedly about the refrigeration water pump has outlet pipe and inlet tube. This reciprocating type diaphragm type measuring pump of built-in clearance mediation structure installs water wheels, bull stick and brush, and it is rotatory to drive bull stick and brush effectual when water wheels in rotatory in-process, dredges through bull stick and brush rotation ability is effectual to the pump head inside, and the pump head has been avoided to this structure to produce the problem of jam in long-term use.

Description

Reciprocating diaphragm type metering pump with built-in cleaning and dredging structure

Technical Field

The utility model relates to a diaphragm type measuring pump technical field specifically is a reciprocating type diaphragm type measuring pump of built-in clearance mediation structure.

Background

The diaphragm metering pump is generally used for ideal equipment of high-precision metering, especially plays very important role in medical pharmacy, and the diaphragm metering pump is responsible for the tasks of toxicity resistance, corrosion resistance, viscosity resistance and high-precision metering addition, but the existing diaphragm metering pump still has certain defects, such as:

1. the conventional diaphragm metering pump is easy to block in the pump head in the long-term use process, and the aperture in the pump head is small, so that the pump head is difficult to dredge, and the normal work of the diaphragm metering pump is seriously influenced;

2. when the existing diaphragm type metering pump head transmits liquid with higher temperature, the internal heat of the diaphragm type metering pump head can be conducted on a sealing ring connected with the diaphragm type metering pump head, so that the sealing ring deforms after expansion with heat and contraction with cold, the effect of connecting and sealing the diaphragm type metering pump head is seriously damaged, and the service life of the diaphragm type metering pump is further shortened;

therefore, the reciprocating diaphragm metering pump with the built-in cleaning and dredging structure can well solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reciprocating type diaphragm type measuring pump of built-in clearance mediation structure, with the phenomenon of diaphragm type measuring pump in the inside easy production of long-term use pump head that produces of present market that solves above-mentioned background art and block up, and the inside aperture of pump head is smaller, lead to being difficult to the mediation, thereby the normal work of diaphragm type measuring pump has been influenced seriously, and current diaphragm type measuring pump head is when the higher liquid of transmission temperature, its inside heat can be conducted on the sealing washer that diaphragm type measuring pump and pump head are connected, lead to the sealing washer to take place deformation after expend with heat and contract with cold, thereby the problem of sealed effect is connected with the pump head to the diaphragm type measuring pump has seriously damaged.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reciprocating type diaphragm type measuring pump of built-in clearance mediation structure, includes measuring pump body, inlet tube and inner chamber, the pump head is installed in measuring pump body left side, and the inside water wheels that is provided with of pump head to water wheels inside is fixed with the bull stick, and the brush is installed in the bull stick left side, and the inside block in pump head right side has the locating lever simultaneously, fixed frame is all installed to measuring pump body left side inside, and fixed frame inboard all welds and have first spring, and first spring inboard all is fixed with the buckle, and measuring pump body left side internal weld has the second spring moreover, measuring pump body below screw is fixed with the water tank, and water tank internally mounted has the refrigeration water pump to both sides are all sealed fixedly about the refrigeration water pump has outlet.

Preferably, the left side of the metering pump body is internally provided with a sliding chute, the sliding chute and the pump head form a sliding structure, and the vertical central line of the pump head coincides with the vertical central line of the rotating rod.

Preferably, the locating lever is provided with 2 about the horizontal central line symmetry of measuring pump body, and the snap ring has all been welded in the locating lever inner outside to snap ring and buckle constitute the block structure.

Preferably, the buckle and the fixed frame form a sliding structure, the buckle and the first spring are in one-to-one correspondence, and the first spring is perpendicular to the outer side of the fixed frame.

Preferably, the tail ends of the water outlet pipe and the water inlet pipe are communicated with the bottom of the inner cavity, the inner cavity is annular, and the inner side of the inner cavity and the outer side of the left end of the metering pump body are fixedly welded.

Compared with the prior art, the beneficial effects of the utility model are that: the reciprocating diaphragm type metering pump is internally provided with a cleaning and dredging structure;

(1) the water wheel, the rotating rod and the hairbrush are arranged, when the water wheel rotates, the rotating rod and the hairbrush can be effectively driven to rotate, and the interior of the pump head can be effectively dredged through the rotation of the rotating rod and the hairbrush, so that the problem of blockage of the pump head in the long-term use process is avoided, and the overall practicability and convenience are improved;

(2) the structure facilitates manual adjustment of the distance between the metering water pump body and the pump head, and simultaneously facilitates adjustment and use of the metering water pump body and the pump head for different sizes of received objects, thereby increasing the overall convenience;

(3) be provided with refrigeration water pump, inner chamber, outlet pipe, inlet tube and water tank, through refrigeration water pump, outlet pipe, inside inlet tube and the water tank can effectually take out the inner chamber with the water after refrigerating to make can effectually cool off fast measurement water pump body left side after the cooling of inner chamber, this sets up the phenomenon that the sealing washer of having avoided being connected of measurement water pump and pump head takes place deformation.

Drawings

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

fig. 2 is a schematic view of the mounting structure of the metering pump body and the pump head of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the installation structure of the brush and the rotating rod of the present invention.

In the figure: 1. a metering pump body; 101. a chute; 2. a pump head; 3. a water wheel; 4. a rotating rod; 5. a brush; 6. positioning a rod; 601. a snap ring; 7. a fixing frame; 8. a first spring; 9. buckling; 10. a second spring; 11. a water tank; 12. a refrigeration water pump; 13. a water outlet pipe; 14. a water inlet pipe; 15. an inner cavity.

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 reciprocating diaphragm type metering pump with a built-in cleaning and dredging structure comprises a metering pump body 1, a chute 101, a pump head 2, a water wheel 3, a rotating rod 4, a brush 5, a positioning rod 6, a snap ring 601, a fixed frame 7, a first spring 8, a buckle 9, a second spring 10, a water tank 11, a refrigerating water pump 12, a water outlet pipe 13, a water inlet pipe 14 and an inner cavity 15, wherein the pump head 2 is installed on the left side of the metering pump body 1, the water wheel 3 is arranged in the pump head 2, the rotating rod 4 is fixed in the water wheel 3, the brush 5 is installed on the left side of the rotating rod 4, the positioning rod 6 is clamped in the right side of the pump head 2, the fixed frame 7 is installed in the left side of the metering pump body 1, the first spring 8 is welded on the inner side of the fixed frame 7, the buckle 9 is fixed on the inner side of the first spring 8, the second, and a refrigeration water pump 12 is arranged in the water tank 11, and a water outlet pipe 13 and a water inlet pipe 14 are hermetically fixed on the upper side and the lower side of the refrigeration water pump 12.

Spout 101 has all been seted up to measuring pump body 1 left side inside, and spout 101 and pump head 2 constitute sliding structure to the coincidence is located mutually with the vertical central line of bull stick 4 to the vertical central line of pump head 2, the design of above-mentioned structure, makes pump head 2 pass through spout 101 effectual in the 1 left end outside horizontal slip of measuring pump body, thereby makes pump head 2 can adjust according to accepting the object distance.

Locating lever 6 is provided with 2 about the horizontal central line symmetry of measuring pump body 1, and the equal welding in the inner outside of locating lever has snap ring 601 to snap ring 601 and buckle 9 constitute the block structure, the design of above-mentioned structure for snap ring 601 through the locating lever 6 outside is effectual and the inside buckle 9 of measuring pump body 1 is cooperating first spring 8 and is playing the fixed effect of block, has increased stability.

Buckle 9 constitutes sliding construction with fixed frame 7, and buckle 9 is the one-to-one correspondence with first spring 8 to first spring 8 is mutually perpendicular with fixed frame 7 outside, and the design of above-mentioned structure, the effect that here structure reaches is the same with the top, has increased holistic stability.

Outlet pipe 13 and inlet tube 14 end all are linked together bottom inner chamber 15, and inner chamber 15 is the annular form to the inner chamber 15 inboard is welded fastening with the 1 left end outside of measuring pump body, the design of above-mentioned structure for carry out rapid cooling through the effectual measuring pump body 1 that carries out of the inside cold water of inner chamber 15, avoided measuring pump body 1 to damage its inside sealing washer because of the temperature is high, increased holistic practicality.

The working principle is as follows: when the reciprocating diaphragm type metering pump with the built-in cleaning and dredging structure is used, firstly, as shown in figures 1-2 and 4, when the metering pump body 1 and the left pump head 2 start to convey liquid to work, the liquid entering the inside of the pump head 2 can drive the water wheel 3 to rotate, the brush 5 is driven to rotate by the rotation of the water wheel 3, the inside of the pump head 2 can be effectively dredged by the rotation of the brush 5, the structure can effectively avoid the problem that the inside of the pump head 2 is blocked in the long-term use process, because the sizes of objects for receiving the liquid above the pump head 2 are different, the pump head 2 needs to be adjusted left and right, the specific operation is as follows, firstly, the inner end of the positioning rod 6 is aligned to the mounting hole at the outer side of the left end of the metering pump body 1 (the distance adjustment is carried out according to the sizes of the objects for receiving the liquid), then, the, the clamping ring 601 moves downwards to effectively cooperate with the contraction of the first spring 8 and the clamping and fixing of the buckle 9, so that the left end of the metering pump body 1 is effectively clamped and fixed with the pump head 2, the structure is convenient for adjusting the distance between the metering pump body 1 and the pump head 2, and the practicability and the stability are improved;

as shown in figure 3, in addition, when the pump head 2 on the left side of the metering pump body 1 is used for conveying high-temperature liquid, heat is transmitted to the sealing ring connecting the metering pump body 1 and the pump head 2, so that expansion and contraction of heat are caused, when the sealing ring is used for seriously influencing the sealing effect of the connection of the metering pump body 1 and the pump head 2 in the process of expansion and contraction of heat, in order to solve the problem, the design and the operation are as follows, an inner cavity 15 is arranged on the outer side of the left end of the metering pump body 1, cooling water is arranged in the inner cavity 15, the bottom of the inner cavity 15 is communicated with a water inlet pipe 14 and a water outlet pipe 13, the end parts of the water inlet pipe 14 and the water outlet pipe 13 are connected with the left side of the refrigeration water pump 12, the arrangement can effectively and rapidly cool the left side of the metering pump body 1, the overall practicability and convenience, those not described in detail in this specification are within the skill of the art.

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 reciprocating type diaphragm type measuring pump of built-in clearance mediation structure, includes measuring pump body (1), inlet tube (14) and inner chamber (15), its characterized in that: a pump head (2) is arranged on the left side of the metering pump body (1), a water wheel (3) is arranged in the pump head (2), a rotating rod (4) is fixed in the water wheel (3), a brush (5) is arranged on the left side of the rotating rod (4), meanwhile, a positioning rod (6) is clamped inside the right side of the pump head (2), fixed frames (7) are installed inside the left side of the metering pump body (1), first springs (8) are welded on the inner sides of the fixed frames (7), the inner sides of the first springs (8) are both fixed with buckles (9), and the left side of the metering pump body (1) is internally welded with a second spring (10), a water tank (11) is fixed on a screw below the metering pump body (1), a refrigeration water pump (12) is arranged in the water tank (11), and the upper side and the lower side of the refrigeration water pump (12) are respectively fixed with a water outlet pipe (13) and a water inlet pipe (14) in a sealing way.

2. The reciprocating diaphragm metering pump with built-in cleaning unblocking structure of claim 1, wherein: the measuring pump is characterized in that a sliding groove (101) is formed in the left side of the measuring pump body (1), the sliding groove (101) and the pump head (2) form a sliding structure, and the vertical center line of the pump head (2) coincides with the vertical center line of the rotating rod (4).

3. The reciprocating diaphragm metering pump with built-in cleaning unblocking structure of claim 1, wherein: the positioning rod (6) is symmetrically provided with 2 positioning rods about the transverse center line of the metering pump body (1), clamping rings (601) are welded on the outer sides of the inner ends of the positioning rods (6), and the clamping rings (601) and the buckles (9) form a clamping structure.

4. The reciprocating diaphragm metering pump with built-in cleaning unblocking structure of claim 1, wherein: the buckle (9) and the fixed frame (7) form a sliding structure, the buckle (9) and the first spring (8) are in one-to-one correspondence, and the first spring (8) is perpendicular to the outer side of the fixed frame (7).

5. The reciprocating diaphragm metering pump with built-in cleaning unblocking structure of claim 1, wherein: the tail ends of the water outlet pipe (13) and the water inlet pipe (14) are communicated with the bottom of the inner cavity (15), the inner cavity (15) is annular, and the inner side of the inner cavity (15) and the outer side of the left end of the metering pump body (1) are fixedly welded.