CN209818233U

CN209818233U - Carbon dioxide filling pump

Info

Publication number: CN209818233U
Application number: CN201920374081.XU
Authority: CN
Inventors: 杨海斌; 郭宝江; 尚辉朝; 张建如; 李东雪; 王振英; 吕静玉; 苗玉杰
Original assignee: HEBEI YUNSHAN CHEMICAL GROUP CO Ltd
Current assignee: HEBEI YUNSHAN CHEMICAL GROUP CO Ltd
Priority date: 2019-03-23
Filing date: 2019-03-23
Publication date: 2019-12-20
Anticipated expiration: 2029-03-23

Abstract

The utility model belongs to the technical field of, a carbon dioxide filling pump is proposed, which comprises a pump body, be provided with the plunger hole on the pump body, it is provided with the high-pressure plunger to slide in the plunger hole, and the both sides of plunger hole one end are connected with check valve one and check valve two respectively, and the axis direction of check valve one and the axis direction of check valve two all are perpendicular with the plunger hole, and check valve one is through pipeline hole one and feed inlet intercommunication, and the check valve two is through pipeline hole two and discharge gate intercommunication, through above-mentioned technical scheme, has solved among the prior art filling pump bulky and the little difficult problem of manufacturing of flow.

Description

Carbon dioxide filling pump

Technical Field

The utility model belongs to the technical field of liquid carbon dioxide fills, a carbon dioxide filling pump is related to.

Background

At present, the filling pump is often applied to conveying and filling of liquid carbon dioxide, most of the existing filling pumps are complex in structure, large in size and difficult to process and manufacture, and the flow rate of the liquid carbon dioxide conveyed in the same time is relatively small and does not meet the requirement of large flow rate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a carbon dioxide filling pump has solved the problem that carbon dioxide filling pump structure is complicated to be difficult to make among the prior art.

The technical scheme of the utility model is realized like this:

the pump comprises a pump body, be provided with the plunger hole on the pump body, it is provided with the high-pressure plunger to slide in the plunger hole, the both sides of plunger hole one end are connected with check valve one and check valve two respectively, the axis direction of check valve one with the axis direction of check valve two all with the plunger hole is perpendicular, check valve one passes through pipeline hole one and feed inlet intercommunication, the check valve two passes through pipeline hole two and discharge gate intercommunication.

As a further technical scheme, a plurality of plunger holes are arranged in parallel, two sides of each plunger hole are respectively connected with a one-way valve I and a one-way valve II, two adjacent one-way valves I are communicated through a pipeline hole I, and two adjacent one-way valves II are communicated with each other through a pipeline hole II.

As a further technical scheme, one side of the pump body is provided with a feeding pressure measuring port and a discharging pressure measuring port, the feeding pressure measuring port is communicated with one check valve I through a pipeline hole I, and the discharging pressure measuring port is communicated with one check valve II through a pipeline hole II.

As a further technical scheme, one end, far away from the first check valve and the second check valve, of the high-pressure plunger is hinged to a connecting rod, a crankshaft is arranged in the pump body in a rotating mode, and the free end of the connecting rod is hinged to the crankshaft.

As a further technical scheme, one side of the crankshaft is provided with an electric motor, and a transmission shaft of the electric motor is connected with one end of the crankshaft.

According to a further technical scheme, the one-way valve comprises a first valve body, the first valve body is rotatably arranged in the pump body, a first cylindrical hole is formed in the first valve body, one end of the first cylindrical hole is communicated with the plunger hole, the other end of the first cylindrical hole is located in the first valve body, two third pipeline holes are formed in the first valve body, one end of each third pipeline hole is communicated with the first cylindrical hole, the other end of each third pipeline hole is communicated with the first pipeline hole, and a first opening and closing device is arranged in the first cylindrical hole.

As a further technical scheme, the first opening and closing device comprises a first valve seat, the first valve seat is arranged in the first cylindrical hole, the first valve seat is located between the plunger hole and the third pipeline hole, a first valve core is arranged in the first cylindrical hole in a sliding mode, and the first valve core is located between the plunger hole and the first valve seat.

As a further technical scheme, the second check valve comprises a second valve body, the second valve body is rotatably arranged in the pump body, a second cylindrical hole is formed in the second valve body, one end of the second cylindrical hole is communicated with the plunger hole, the other end of the second cylindrical hole is located in the second valve body, two fourth pipeline holes are formed in the second valve body, one end of each fourth pipeline hole is communicated with the second cylindrical hole, the other end of each fourth pipeline hole is communicated with the second pipeline hole, and a second opening and closing device is arranged in the second cylindrical hole.

As a further technical scheme, the second opening and closing device includes a second valve seat, the second valve seat is disposed in the second cylindrical hole, the second valve seat is located between the plunger hole and the fourth pipeline hole, a second valve core is slidably disposed in the second cylindrical hole, and the second valve core is located between the fourth pipeline hole and the second valve seat.

The utility model discloses a theory of operation and beneficial effect do:

1. in the utility model, the high-pressure plunger slides in the plunger hole, so that the pressure in the plunger hole can be increased and reduced, when the pressure in the plunger hole is less than the pressure at the inlet of the one-way valve, the one-way valve can be opened as soon as the liquid carbon dioxide enters the plunger hole, the two-way valve is closed at the moment, when the pressure in the plunger hole is more than the pressure at the inlet of the one-way valve, the one-way valve can be closed as soon as the one-way valve is closed, the two-way valve can be opened, so that the liquid carbon dioxide in the plunger hole can be discharged through the two-way valve, the circulation is repeated, the liquid carbon dioxide enters from the feed inlet, so that the corresponding container is filled through the discharge port, the whole structure is very simple and easy to realize, thereby the processing and the manufacturing are easier, the requirement of mass production is met, on the one hand, the parallel arrangement can divide the liquid carbon dioxide entering from the feeding hole, so that the pressure of each check valve I and each check valve II can be reduced, the service life is prolonged, the resistance of the high-pressure plunger to move in the plunger hole can be reduced due to the relative reduction of the pressure, and the force for driving the high-pressure plunger to move can be reduced.

2. The utility model discloses in, the setting of feeding pressure measurement mouth and ejection of compact pressure measurement mouth, can conveniently measure the pressure in one side of check valve and two one sides of check valve in the pump body, thereby judge the flow size that whether needs the adjustment to carry according to the pressure that records, when the bent axle rotates, can drive the connecting rod up-and-down motion, because the one end of connecting rod is articulated with the high-pressure plunger, so the connecting rod up-and-down motion will be followed to the high-pressure plunger, gliding purpose about reaching, the one end of bent axle is connected with the transmission shaft of motor, so the break-make through the control motor just can realize the rotation of bent axle, and is very simple, and the motor is more common and the cost is lower, easy control, accord.

3. In the utility model, when the valve body I is at the corresponding position, the pipeline hole III on the valve body I is communicated with the adjacent pipeline hole I, because the valve body I can rotate, the communication position of the pipeline hole III and the pipeline hole I can change in the rotating process, the pipeline hole I can be in a state from big to small or closed, thereby the function of controlling the flow can be realized, when the pressure in the plunger hole is less than the pressure at the inlet of the check valve I, the first opening and closing device can be opened, otherwise, the first opening and closing device can be closed, the function of inputting liquid carbon dioxide is realized, when the pressure in the plunger hole is less than the pressure at the inlet of the check valve I, the valve core I can move towards the direction close to the plunger hole, thereby the opening on the valve seat I is opened, otherwise, the valve core moves towards the direction close to the valve seat I to block the opening on the valve seat I, the realization is, the pipeline hole four on the valve body II is communicated with the adjacent pipeline hole two, and the valve body II can rotate, so that in the rotating process, the communication position of the pipeline hole four and the pipeline hole two can be changed, the state from large to small or closed can be realized, the flow control effect can be realized, when the pressure in the plunger hole is greater than the pressure at the outlet of the check valve II, the second opening and closing device can be opened, otherwise, the second opening and closing device can be closed, the effect of outputting liquid carbon dioxide is realized, when the pressure in the plunger hole is greater than the pressure at the outlet of the check valve II, the valve core II can move towards the direction far away from the valve seat II, the opening on the valve seat II is opened, otherwise, the valve core II can move towards the direction close to the valve seat II, the opening on the valve seat II is blocked.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

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

FIG. 3 is a schematic view of the longitudinal cross-section structure of the high-pressure plunger of the present invention;

FIG. 4 is a schematic cross-sectional structure of the present invention;

FIG. 5 is a schematic view of a partially enlarged structure A of the present invention;

FIG. 6 is a schematic view of a partial enlarged structure of the middle B of the present invention;

in the figure: 1-pump body, 2-plunger hole, 3-high pressure plunger, 4-one-way valve I, 41-valve body I, 42-cylindrical hole I, 43-pipeline hole III, 44-first opening and closing device, 441-valve seat I, 442-valve core I, 401-pipeline hole I, 402-pipeline hole II, 403-feeding pressure measuring port, 404-discharging pressure measuring port, 405-connecting rod, 406-crankshaft, 407-motor, 5-one-way valve II, 51-valve body II, 52-cylindrical hole II, 53-pipeline hole IV, 54-second opening and closing device, 541-valve seat II and 542-valve core II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a carbon dioxide filling pump, include:

the pump body 1 is provided with plunger hole 2 on the pump body 1, slides in plunger hole 2 and is provided with high-pressure plunger 3, and the both sides of 2 one ends in plunger hole are connected with check valve one 4 and check valve two 5 respectively, and the axis direction of check valve one 4 and the axis direction of check valve two 5 all are perpendicular with plunger hole 2, and check valve one 4 communicates with the feed inlet through pipeline hole one 401, and check valve two 5 communicates with the discharge gate through pipeline hole two 402.

In this embodiment, high pressure plunger 3 comes to slide in plunger hole 2, thereby the pressure in plunger hole 2 will rise and reduce, when the pressure in plunger hole 2 is less than the pressure of one 4 entrance of check valve, one 4 will open, liquid carbon dioxide will get into in plunger hole 2, check valve two 5 closes this moment, when the pressure in plunger hole 2 is greater than the pressure of one 4 entrance of check valve, one 4 will close, check valve two 5 will open, thereby the liquid carbon dioxide in plunger hole 2 will be discharged through two 5 check valves, the circulation is reciprocal, liquid carbon dioxide will get into from the feed inlet, thereby fill corresponding container through the discharge gate, the overall structure is very simple, easy to realize, thereby easy processing and manufacturing, accord with the needs of mass production.

Furthermore, the plunger holes 2 are provided with a plurality of plunger holes in parallel, two sides of each plunger hole 2 are respectively connected with a one-way valve I4 and a one-way valve II 5, two adjacent one-way valves I4 are communicated through a pipeline hole I401, and two adjacent one-way valves II 5 are communicated with each other through a pipeline hole II 402.

In this embodiment, set up a plurality of plunger holes 2, communicate each other between the check valve 4 on the adjacent plunger hole 2 and between the two 5 check valves, be equivalent to the setting side by side, on the one hand, the setting side by side, can be with the liquid carbon dioxide reposition of redundant personnel that get into from the feed inlet, thereby to each one-way valve 4 and two 5 check valve's pressure can reduce, service life has been improved, because the relative reduction of pressure, the resistance of high pressure plunger 3 motion will reduce in plunger hole 2, thereby can reduce the power that drives high pressure plunger 3 motion, on the other hand, because parallel, relatively speaking, the total amount of the liquid carbon dioxide of carrying in a plurality of plunger holes 2 must be greater than the volume of a plunger hole 2 transportation liquid carbon dioxide, so possessed the ability of filling liquid carbon dioxide in a large amount to a certain extent.

Further, one side of the pump body 1 is provided with a feeding pressure measuring port 403 and a discharging pressure measuring port 404, the feeding pressure measuring port 403 is communicated with one check valve I4 through a pipeline hole I401, and the discharging pressure measuring port 404 is communicated with one check valve II 5 through a pipeline hole II 402.

In this embodiment, the setting of the feeding pressure measuring port 403 and the discharging pressure measuring port 404 can facilitate the measurement of the pressure in the one-way valve-4 side and the one-way valve-5 side in the pump body 1, so as to determine whether the flow rate needs to be adjusted according to the measured pressure.

Further, one end of the high-pressure plunger 3, which is far away from the first check valve 4 and the second check valve 5, is hinged with a connecting rod 405, a crankshaft 406 is rotatably arranged in the pump body 1, and a free end of the connecting rod 405 is hinged on the crankshaft 406.

In this embodiment, when the crankshaft 406 rotates, the connecting rod 405 is driven to move up and down, and because one end of the connecting rod 405 is hinged to the high-pressure plunger 3, the high-pressure plunger reciprocates up and down along with the connecting rod 405, thereby achieving the purpose of sliding up and down.

Further, a motor 407 is provided on one side of the crankshaft 406, and a transmission shaft of the motor 407 is connected to one end of the crankshaft 406.

In this embodiment, one end of the crankshaft 406 is connected to a transmission shaft of the motor 407, so that the rotation of the crankshaft 406 can be realized by controlling the on/off of the motor, which is very simple, and the motor 407 is relatively common and has low cost, is easy to control, and meets the requirement of mass production.

Further, the check valve I4 comprises a valve body I41, the valve body I41 is rotatably arranged in the pump body 1, a cylindrical hole I42 is formed in the valve body I41, one end of the cylindrical hole I42 is communicated with the plunger hole 2, the other end of the cylindrical hole I is located in the valve body I41, two pipeline holes III 43 are formed in the valve body I41, one end of each pipeline hole III 43 is communicated with the cylindrical hole I42, the other end of each pipeline hole III is communicated with the pipeline hole I401, and a first opening and closing device 44 is arranged in the cylindrical hole I42.

In this embodiment, when the valve body 41 is in the corresponding position, the three pipe holes 43 on the valve body 41 are communicated with the adjacent one pipe hole 401, and because the valve body 41 can rotate, the communication positions of the three pipe holes 43 and the one pipe hole 401 can change in the rotating process, so that a state from large to small or closed can be realized, and thus, the flow rate can be controlled.

Further, the first opening and closing device 44 includes a first valve seat 441, the first valve seat 441 is disposed in the first cylindrical hole 42, the first valve seat 441 is located between the plunger hole 2 and the pipe hole three 43, a first valve core 442 is slidably disposed in the first cylindrical hole 42, and the first valve core 442 is located between the plunger hole 2 and the first valve seat 441.

In this embodiment, when the pressure in the plunger hole 2 is lower than the pressure at the inlet of the first check valve 4, the first valve element 442 moves towards the direction close to the plunger hole 2, so as to open the opening on the first valve seat 441, and conversely, the first valve element 442 moves towards the direction close to the first valve seat 441 to block the opening on the first valve seat 441, which is simple and easy to implement.

Further, the second check valve 5 comprises a second valve body 51, the second valve body 51 is rotatably arranged in the pump body 1, a second cylindrical hole 52 is formed in the second valve body 51, one end of the second cylindrical hole 52 is communicated with the plunger hole 2, the other end of the second cylindrical hole is located in the second valve body 51, two pipeline holes four 53 are formed in the second valve body 51, one end of each pipeline hole four 53 is communicated with the second cylindrical hole 52, the other end of each pipeline hole four 53 is communicated with the second pipeline hole 402, and a second opening and closing device 54 is arranged in the second cylindrical hole 52.

In this embodiment, when the valve body 51 is in the corresponding position, the pipe hole four 53 on the valve body 51 is communicated with the adjacent pipe hole two 402, and because the valve body 51 can rotate, the communication position between the pipe hole four 53 and the pipe hole two 402 will change in the rotation process, so as to realize a state from large to small or closed, thereby realizing the function of controlling the flow rate, when the pressure in the plunger hole 2 is greater than the pressure at the outlet of the check valve two 5, the second opening and closing device 54 will be opened, otherwise, the second opening and closing device will be closed, and the function of outputting liquid carbon dioxide is realized.

Further, the second opening and closing device 54 includes a second valve seat 541, the second valve seat 541 is disposed in the second cylindrical hole 52, the second valve seat 541 is located between the plunger hole 2 and the fourth pipe hole 53, a second valve core 542 is slidably disposed in the second cylindrical hole 52, and the second valve core 52 is located between the fourth pipe hole 53 and the second valve seat 541.

In this embodiment, when the pressure in the plunger hole 2 is greater than the pressure at the outlet of the second check valve 5, the second valve core 541 moves in a direction away from the second valve seat 541, so as to open the opening on the second valve seat 541, and conversely, the second valve core 542 moves in a direction close to the second valve seat 541, so as to block the opening on the second valve seat 541, which is simple and easy to implement.

The above description is only a 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. The carbon dioxide filling pump is characterized by comprising a pump body (1), wherein a plunger hole (2) is formed in the pump body (1), a high-pressure plunger (3) is arranged in the plunger hole (2) in a sliding mode, a first check valve (4) and a second check valve (5) are connected to two sides of one end of the plunger hole (2) respectively, the axial direction of the first check valve (4) and the axial direction of the second check valve (5) are perpendicular to the plunger hole (2), the first check valve (4) is communicated with a feed inlet through a first pipeline hole (401), and the second check valve (5) is communicated with a discharge outlet through a second pipeline hole (402).

2. A carbon dioxide charging pump according to claim 1, wherein a plurality of plunger holes (2) are arranged in parallel, a first check valve (4) and a second check valve (5) are respectively connected to two sides of each plunger hole (2), two adjacent first check valves (4) are communicated through a first pipeline hole (401), and two adjacent second check valves (5) are communicated with each other through a second pipeline hole (402).

3. A carbon dioxide charging pump according to claim 2, characterized in that a feed pressure tap (403) and a discharge pressure tap (404) are provided on one side of the pump body (1), the feed pressure tap (403) communicating with one of the first check valves (4) through a first pipe hole (401), and the discharge pressure tap (404) communicating with one of the second check valves (5) through a second pipe hole (402).

4. A carbon dioxide charging pump according to claim 1, characterized in that the end of the high-pressure plunger (3) remote from the first check valve (4) and the second check valve (5) is hinged to a connecting rod (405), the pump body (1) is rotatably provided with a crankshaft (406), and the free end of the connecting rod (405) is hinged to the crankshaft (406).

5. A carbon dioxide charging pump according to claim 4, characterized in that an electric motor (407) is provided on one side of the crankshaft (406), and a drive shaft of the electric motor (407) is connected to one end of the crankshaft (406).

6. A carbon dioxide charging pump according to claim 3, characterized in that the first check valve (4) comprises a first valve body (41), the first valve body (41) is rotatably disposed in the pump body (1), a first cylindrical hole (42) is disposed in the first valve body (41), one end of the first cylindrical hole (42) is communicated with the plunger hole (2), the other end of the first cylindrical hole is disposed in the first valve body (41), two third pipe holes (43) are disposed in the first valve body (41), one end of the third pipe hole (43) is communicated with the first cylindrical hole (42), the other end of the third pipe hole is communicated with the first pipe hole (401), and a first opening and closing device (44) is disposed in the first cylindrical hole (42).

7. A carbon dioxide charging pump according to claim 6, characterized in that the first opening and closing means (44) comprises a first valve seat (441), the first valve seat (441) is disposed in the first cylindrical hole (42), the first valve seat (441) is located between the plunger hole (2) and the pipe hole (43), a first valve core (442) is slidably disposed in the first cylindrical hole (42), and the first valve core (442) is located between the plunger hole (2) and the first valve seat (441).

8. The carbon dioxide charging pump according to claim 3, wherein the second check valve (5) comprises a second valve body (51), the second valve body (51) is rotatably arranged in the pump body (1), a second cylindrical hole (52) is formed in the second valve body (51), one end of the second cylindrical hole (52) is communicated with the plunger hole (2), the other end of the second cylindrical hole is arranged in the second valve body (51), two fourth pipeline holes (53) are formed in the second valve body (51), one end of the fourth pipeline hole (53) is communicated with the second cylindrical hole (52), the other end of the fourth pipeline hole is communicated with the second pipeline hole (402), and a second opening and closing device (54) is arranged in the second cylindrical hole (52).

9. A carbon dioxide charging pump according to claim 8, wherein the second opening and closing means (54) includes a second valve seat (541), the second valve seat (541) is disposed in the second cylindrical hole (52), the second valve seat (541) is located between the plunger hole (2) and the fourth pipe hole (53), a second valve core (542) is slidably disposed in the second cylindrical hole (52), and the second valve core (542) is located between the fourth pipe hole (53) and the second valve seat (541).