CN218454816U - Plunger type metering pump leakage-free hydraulic end structure - Google Patents

Abstract

The utility model relates to a plunger type measuring pump does not have leakage hydraulic pressure end structure, including the pump head body, the pump head body comprises shell body, inlet valve subassembly, outlet valve subassembly, plunger and interior casing, inlet valve subassembly and outlet valve subassembly all set up the tail end at the pump head body, and inlet valve subassembly and outlet valve subassembly are the symmetric distribution, interior casing cup joints in the inside of shell body, and forms sealed heat dissipation chamber between interior casing and the shell body, porose one and hole two are seted up to the outer wall of shell body, heat dissipation chamber clearing hole one and hole two are linked together with the outside, the plunger is installed in interior casing. The utility model discloses, through being provided with the heat dissipation chamber and the subassembly of blowing, along with the continuous work of pump head body, the pump head can produce more heat, and the heat produces mobile wind by the subassembly of blowing in transmitting the heat dissipation chamber through interior casing, and wind-force drives the heat in the heat dissipation chamber and discharges from the heat extraction pipe, and then plays good cooling effect to the pump head body in succession.

Description

Plunger type metering pump leakage-free hydraulic end structure

Technical Field

The utility model relates to a plunger type measuring pump technical field especially relates to a plunger type measuring pump does not have hydraulic end structure of leaking.

Background

The plunger type metering pump mainly comprises a common valve pump and a common valveless pump. The plunger metering pump is widely applied to the field of petrochemical industry due to the advantages of simple structure, high temperature and high pressure resistance and the like;

the pump head, also referred to as the fluid end, is an important component of a metering pump.

For example, application numbers are: 2019 221483 discloses a pump head for a leak-free plunger metering pump, comprising a pump head; the utility model discloses a pump head, including pump head, pump head bottom, pump head, diaphragm, pump head, sliding connection between piston and the through-hole, the piston outside is provided with the connecting rod, the pump head bottom is provided with outlet valve assembly, the inside inner chamber that is provided with of pump head, the inside diaphragm that is provided with of inner chamber, the diaphragm passes through fixed mounting inside the inner chamber, pump head one side is provided with the through-hole, the inside through-hole that is located of pump head position all around is provided with the packing chamber, the inside packing of packing chamber has phase change material, the inside piston that is provided with of through-hole, sliding connection between piston and the through-hole, the piston outside is provided with the connecting rod. The utility model discloses phase change material has the ability that changes its physical state in certain temperature range, and phase change material absorbs and stores a large amount of latent heats when external temperature is higher, and the temperature of material self maintains before the phase transition is accomplished almost invariably, forms a wide temperature platform for the normal of maintaining pump head and piston temperature reduces the wearing and tearing of pump head and piston.

The metering pump head that above-mentioned application file provided mainly relies on phase change material to come to play the effect of cooling to the pump head, though can play certain cooling effect to the pump head, phase change material's heat-absorbing capacity is limited, and the pump head is continuous at the heat that the during operation produced, and after the absorptive heat of material reached the critical point, it was just difficult to play good cooling effect, so need improve this.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plunger type measuring pump does not have leakage hydraulic end structure has solved the absorptive heat of phase change material among the prior art and has reached the critical point after, is difficult to play the technical problem of good cooling effect to the pump head.

The utility model provides an above-mentioned technical problem's scheme as follows: including the pump head body, the pump head body comprises shell body, inlet valve subassembly, outlet valve subassembly, plunger and interior casing, inlet valve subassembly and outlet valve subassembly all set up the tail end at the pump head body, and inlet valve subassembly and outlet valve subassembly are the symmetric distribution, interior casing cup joints the inside at the shell body, and forms sealed heat dissipation chamber between interior casing and the shell body, porose one and hole two are seted up to the outer wall of shell body, heat dissipation chamber clearing hole one and hole two are linked together with the outside, the plunger is installed in interior casing, install the subassembly of blowing on the outer wall of shell body, and the subassembly clearing hole one of just blowing is linked together with the heat dissipation chamber.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the blowing assembly comprises a blower, one end of an air outlet of the blower is fixedly connected with an air supply pipe, and one end, far away from the blower, of the air supply pipe is fixedly connected to the inner wall of the first hole.

Further, the inner wall of the second hole is fixedly connected with a heat exhaust pipe, and the inner wall of the heat exhaust pipe is connected with a sealing plug through threads.

Further, the inside in heat dissipation chamber is provided with the flight, the outer wall and the flight fixed connection of interior casing, and the flight closely laminates with the inner wall of shell body.

Furthermore, the spiral sheet is made of rubber.

Furthermore, a plurality of installing openings are formed in the outer wall of the inner shell, and heat conducting fins are fixedly connected to the installing openings.

Further, the outer wall fixedly connected with of interior casing has a plurality of fixed columns, and the one end that interior casing was kept away from to the fixed column closely laminates with the inner wall of shell body.

The beneficial effects of the utility model are that: the utility model provides a plunger type measuring pump does not have leakage hydraulic end structure has following advantage:

1. the utility model discloses, through being provided with heat dissipation chamber and blowing subassembly, along with the continuous work of pump head body, the pump head can produce more heat, and the heat passes through the inner casing and transmits to the heat dissipation chamber in, is produced the wind that flows by the blowing subassembly, and the wind-force drives the heat in the heat dissipation chamber and discharges from the heat extraction pipe, and then plays good cooling effect to the pump head body in succession;

2. the utility model discloses, through being provided with the flight, play the effect of air-guide through the flight, make the wind-force that the subassembly of blowing produced along the outer wall motion of flight, and then make the wind that the subassembly of blowing produced contact with the inner wall in heat dissipation chamber uniformly, make the heat that the wind was taken away more, improved the radiating effect greatly.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings. The following examples and the accompanying drawings illustrate specific embodiments of the present invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic diagram of an overall structure of a leakage-free hydraulic end structure of a plunger metering pump according to the present invention;

fig. 2 is a schematic view of a heat dissipation cavity structure of a non-leakage hydraulic end structure of a plunger type metering pump according to the present invention;

fig. 3 is a schematic diagram of an outer shell structure of a non-leakage hydraulic end structure of a plunger type metering pump according to the present invention;

fig. 4 is a schematic diagram of an inner casing structure of a non-leakage hydraulic end structure of a plunger type metering pump according to the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a pump head body; 101. an outer housing; 102. an inlet valve assembly; 103. an outlet valve assembly; 104. a plunger; 105. an inner housing; 106. a first hole; 107. a second hole; 2. a heat discharging pipe; 3. a sealing plug; 4. a blower; 5. an air supply pipe; 6. a heat dissipation cavity; 7. an installation port; 8. a heat conductive sheet; 9. a spiral sheet; 10. the column is fixed.

Detailed Description

The principles and features of the present invention will be described with reference to the accompanying fig. 1-4, which are provided for illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in a very simplified form and are not to precise scale, which is only used for the purpose of facilitating and clearly explaining the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

As shown in fig. 1-4, the present invention provides a leakage-free hydraulic end structure for plunger type metering pump, which comprises a pump head body 1, wherein the pump head body 1 is composed of an outer shell 101, an inlet valve assembly 102, an outlet valve assembly 103, a plunger 104 and an inner shell 105, the inlet valve assembly 102 and the outlet valve assembly 103 are both disposed at the tail end of the pump head body 1, the inlet valve assembly 102 and the outlet valve assembly 103 are symmetrically distributed, the outer shell 101 is disposed outside the pump head body 1, the pump head body 1 is protected by the outer shell 101, the inner shell 105 and the outer shell 101 are both made of metal, and the internal components of the pump head body 1 are both disposed in the inner shell 105, the inner shell 105 is sleeved inside the outer shell 101, utilize the mode that cup joints to be convenient for to pump head body 1's dismantlement, and then be convenient for daily maintenance and maintenance, and form sealed heat dissipation chamber 6 between interior casing 105 and the shell body 101, pump head body 1 transmits heat dissipation chamber 6 through interior casing 105 at the heat that the during operation produced, porose one 106 and two hole 107 are seted up to the outer wall of shell body 101, heat dissipation chamber 6 communicates with each other with the outside through a hole 106 and two hole 107, install the subassembly of blowing on the outer wall of shell body 101, the wind clearing hole one 106 that the subassembly of blowing produced enters into heat dissipation chamber 6, rethread hole two 107 discharges the outside, and then continuously play the thermolysis to pump head body 1, pump head body 1 has been avoided at the during operation overheated.

Specifically, the blowing assembly comprises a blower 4, one end of an air outlet of the blower 4 is fixedly connected with an air supply pipe 5, one end, far away from the blower 4, of the air supply pipe 5 is fixedly connected into the inner wall of a first hole 106, the inner wall of a second hole 107 is fixedly connected with a heat dissipation pipe 2, the inner wall of the heat dissipation pipe 2 is connected with a sealing plug 3 through threads, when the pump head body 1 is not used, the sealing plug 3 is always in the heat dissipation pipe 2, and therefore foreign matters are prevented from entering a heat dissipation cavity 6 from the heat dissipation pipe 2, a spiral piece 9 made of rubber materials is arranged inside the heat dissipation cavity 6, the outer wall of an inner shell 105 is fixedly connected with the spiral piece 9, and the spiral piece 9 is tightly attached to the inner wall of an outer shell 101; when the pump head body 1 works, the sealing plug 3 is taken out, air blown out by the blower 4 enters the heat dissipation cavity 6 through the air supply pipe 5 and the first hole 106, the air moves in the heat dissipation cavity 6 along the track of the spiral piece 9, and finally the heat pipe 2 is flushed and exhausted through the second hole 107, so that the heat dissipation effect is achieved on the inner shell 105, and the pump head body 1 is prevented from being excessively hot during working.

Example two

On the basis of the first embodiment, the outer wall of the inner shell 105 is provided with a plurality of mounting openings 7, the mounting openings 7 are fixedly connected with the heat conducting fins 8, the heat conducting fins 8 are made of copper, the heat conducting fins 8 are utilized to greatly improve the absorption efficiency of the heat dissipation cavity 6, further more heat can be taken away by the air blown out by the air blowing assembly, and the heat dissipation effect on the pump head body 1 is further improved; a plurality of fixed columns 10 of outer wall fixedly connected with of interior casing 105, and the one end that interior casing 105 was kept away from to fixed column 10 closely laminates with the inner wall of shell body 101, and fixed column 10 is rubber with the same material of flight 9, makes the interior casing 105 of cup jointing in shell body 101 more stable through a plurality of fixed columns 10, and then has guaranteed pump head body 1 stability at the during operation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides a no leakage hydraulic pressure of plunger type measuring pump holds structure, includes pump head body (1), its characterized in that, pump head body (1) comprises shell body (101), inlet valve subassembly (102), outlet valve subassembly (103), plunger (104) and interior casing (105), inlet valve subassembly (102) and outlet valve subassembly (103) all set up the tail end at pump head body (1), and inlet valve subassembly (102) and outlet valve subassembly (103) are the symmetric distribution, interior casing (105) cup joint in the inside of shell body (101), and form sealed heat dissipation chamber (6) between interior casing (105) and shell body (101), porose one (106) and hole two (107) are seted up to the outer wall of shell body (101), heat dissipation chamber (6) are linked together with the outside through pore one (106) and hole two (107), plunger (104) are installed in interior casing (105), install on the outer wall of shell body (101) and blow the subassembly, and be linked together with heat dissipation chamber (6) through pore subassembly one (106).

2. The plunger type metering pump leakage-free hydraulic end structure as claimed in claim 1, wherein the blowing assembly comprises a blower (4), an air outlet end of the blower (4) is fixedly connected with an air supply pipe (5), and an end, away from the blower (4), of the air supply pipe (5) is fixedly connected in the inner wall of the first hole (106).

3. The plunger type metering pump leakage-free hydraulic end structure as recited in claim 2, characterized in that a heat discharge pipe (2) is fixedly connected to the inner wall of the second hole (107), and a sealing plug (3) is connected to the inner wall of the heat discharge pipe (2) through a thread.

4. The plunger type metering pump leakage-free hydraulic end structure as claimed in claim 3, wherein the heat dissipation cavity (6) is internally provided with a spiral piece (9), the outer wall of the inner shell (105) is fixedly connected with the spiral piece (9), and the spiral piece (9) is tightly attached to the inner wall of the outer shell (101).

5. The plunger-type metering pump leakage-free hydraulic end structure as set forth in claim 4, characterized in that the material of the spiral piece (9) is rubber.

6. The plunger type metering pump leakage-free hydraulic end structure as recited in claim 1, wherein a plurality of mounting openings (7) are formed in the outer wall of the inner shell (105), and heat-conducting fins (8) are fixedly connected in the mounting openings (7).

7. The plunger type metering pump leakage-free hydraulic end structure as claimed in claim 1, wherein a plurality of fixing posts (10) are fixedly connected to the outer wall of the inner casing (105), and one end of each fixing post (10) far away from the inner casing (105) is tightly attached to the inner wall of the outer casing (101).

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