CN214887628U

CN214887628U - Vertical liquid injection pump

Info

Publication number: CN214887628U
Application number: CN202120796994.8U
Authority: CN
Inventors: 王全锋; 王红旗
Original assignee: Guangdong Liwang New Energy Co ltd
Current assignee: Guangdong Liwang New Energy Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-26
Anticipated expiration: 2031-04-19

Abstract

The utility model belongs to the technical field of the pump, a vertical priming pump is disclosed, which comprises a pump body, set up the inner chamber in the pump body, seted up on the wall body of the pump body respectively with communicating inlet and liquid outlet of inner chamber, slidable mounting has first case between inlet and the inner chamber, slidable mounting has the second case between liquid outlet and the inner chamber, the direction of movement of first case perpendicular to inlet's feed liquor direction, vertical priming pump has first case shutoff between inlet and inner chamber and liquid outlet and the communicating priming state of inner chamber and the liquid absorption state of inlet and inner chamber communicating and the second valve core shutoff between liquid outlet and inner chamber. The utility model discloses a moving direction of first case is mutually perpendicular with the feed liquor direction of inlet, avoids first case to be promoted by the liquid of inlet department, guarantees not weeping.

Description

Vertical liquid injection pump

Technical Field

The utility model relates to a pump technical field especially relates to a vertical liquid injection pump.

Background

An infusion pump is an instrument for drawing up liquid from a container and injecting the liquid in a fixed amount onto a product. The wet cup pipe valve core at the liquid inlet of the existing liquid injection pump is mostly horizontally placed, and due to the fact that the liquid level of the material containing device is high, the wet cup pipe valve core is driven by large driving force, the wet cup pipe valve core tends to leave the liquid inlet no matter the liquid injection pump is in a liquid injection state or a liquid absorption state, liquid leakage, liquid dropping and the like are caused easily, and stability is poor. Therefore, there is a need for a vertical priming pump that can ensure that the wet cup tube valve element at the liquid inlet can seal the liquid inlet when in the priming state.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the vertical liquid filling pump can ensure that a liquid inlet does not leak liquid.

To achieve the purpose, the utility model adopts the following technical proposal:

a vertical charge pump comprising:

the pump comprises a pump body, wherein an inner cavity is formed in the pump body, a liquid inlet and a liquid outlet which are communicated with the inner cavity are formed in the wall body of the pump body respectively, a first valve core is installed between the liquid inlet and the inner cavity in a sliding mode, a second valve core is installed between the liquid outlet and the inner cavity in a sliding mode, and the moving direction of the first valve core is perpendicular to the liquid inlet direction of the liquid inlet;

the vertical liquid injection pump is provided with a liquid injection state that the first valve core is blocked between the liquid inlet and the inner cavity and the liquid outlet is communicated with the inner cavity, and a liquid absorption state that the liquid inlet is communicated with the inner cavity and the second valve core is blocked between the liquid outlet and the inner cavity.

As an optional technical solution, the vertical type liquid injection pump further comprises:

one end of the first elastic part is abutted against the first valve core, the other end of the first elastic part is abutted against the pump body, and the first elastic part is used for driving the first valve core to be blocked between the liquid inlet and the inner cavity;

and the second elastic part is abutted against the second valve core and used for driving the second valve core to be blocked between the liquid outlet and the inner cavity.

As an optional technical solution, an accommodating cavity is formed between the liquid inlet and the inner cavity, a sealing seat is arranged in the accommodating cavity, the first valve core is mounted on the sealing seat, and the sealing seat is used for limiting the first valve core between the liquid inlet and the inner cavity.

As an optional technical scheme, the vertical liquid injection pump further comprises a top head, a yielding hole is further formed in the wall body of the pump body, the yielding hole is located in the moving direction of the first valve core and communicated with the accommodating cavity, the top head is detachably mounted in the yielding hole and abutted to the sealing seat, and the top head is used for limiting the sealing seat in the accommodating cavity.

As an optional technical solution, the vertical liquid injection pump further includes an injection assembly, the injection assembly is detachably mounted on the liquid outlet, the second valve core is mounted on the injection assembly, one end of the second elastic member abuts against the second valve core, and the other end of the second elastic member abuts against the injection assembly.

As an optional technical scheme, the vertical liquid injection pump further comprises a power piece and a plunger, the power piece is mounted on the pump body, the plunger is connected with the output end of the power piece, and the power piece is used for driving the plunger to reciprocate in the pump body so that the inner cavity forms negative pressure.

As an optional technical scheme, the pump body is including first casing, second casing and the third casing that connects gradually, the inlet with the liquid outlet is seted up on the first casing, power spare install in on the third casing.

As an optional technical solution, the vertical liquid-filling pump further includes a plug sleeve, the plug sleeve is located on the inner wall between the first casing and the second casing, and the plug sleeve is tightly sleeved on the outer wall of the plunger.

As an optional technical solution, the vertical type priming pump further includes a liquid level meter, the liquid level meter is mounted on the outer wall of the second casing, and the liquid level meter is used for displaying the liquid amount in the inner cavity.

As an optional technical solution, the vertical type priming pump further comprises a positioning ring, the positioning ring is located on an inner wall between the second casing and the third casing, and the positioning ring is used for limiting the offset between the second casing and the third casing.

The beneficial effects of the utility model reside in that:

the utility model provides a vertical filling pump, this vertical filling pump and flourishing material device combine to use, and the inlet of vertical filling pump links to each other with flourishing material device, and during the imbibition state, liquid in the flourishing material device passes through the inlet and flows into the inner chamber, and during the notes liquid, the liquid of inner chamber passes through the liquid outlet and injects on the product, the utility model discloses set up the moving direction of first case into the feed liquor direction of perpendicular to inlet, guarantee the moving direction that the driving force of the liquid in the flourishing material device can not act on first case, avoid first case to be promoted by the liquid in the flourishing material device, guarantee the utility model discloses a vertical filling pump does not have the hourglass liquid condition to take place.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples;

FIG. 1 is a front view of a vertical charge pump according to an embodiment;

FIG. 2 is a cross-sectional view of the cross-section of FIG. 1A-A;

FIG. 3 is an enlarged view of a portion of the view of FIG. 2B;

FIG. 4 is a cross-sectional view of the first housing of the embodiment;

FIG. 5 is an exploded view of the vertical charge pump according to the first embodiment.

In fig. 1 to 5:

1. a pump body; 101. an inner cavity; 102. a liquid inlet; 103. a liquid outlet; 104. a first housing; 105. a second housing; 106. a third housing; 2. a first valve spool; 3. a second valve core; 4. a first elastic member; 5. a second elastic member; 6. a sealing seat; 7. ejecting the head; 8. an injection assembly; 9. a power member; 10. a plunger; 11. a plug sleeve; 12. a liquid level meter; 13. and (6) positioning rings.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment provides a vertical liquid injection pump, including a pump body 1, an inner cavity 101 is formed in the pump body 1, a liquid inlet 102 and a liquid outlet 103 communicated with the inner cavity 101 are respectively formed on a wall body of the pump body 1, a first valve core 2 is slidably mounted between the liquid inlet 102 and the inner cavity 101, a second valve core 3 is slidably mounted between the liquid outlet 103 and the inner cavity 101, a moving direction of the first valve core 2 is perpendicular to a liquid inlet direction of the liquid inlet 102, and the vertical liquid injection pump has a liquid injection state in which the first valve core 2 is sealed between the liquid inlet 102 and the inner cavity 101 and the liquid outlet 103 is communicated with the inner cavity 101, and a liquid absorption state in which the liquid inlet 102 is communicated with the inner cavity 101 and the second valve core 3 is sealed between the liquid outlet 103 and the inner cavity 101.

When the existing horizontal liquid injection pump is connected with a material containing device, a pipe valve core of a horizontal wet cup pipe is pushed by liquid in the material containing device, so that liquid leakage is easy to generate on one hand, and the liquid injection amount is difficult to control and poor in stability on the other hand.

The vertical liquid injection pump provided by the embodiment is used in combination with the material containing device, and is used for injecting liquid in the material containing device to a product. Liquid inlet 102 of vertical liquid filling pump links to each other with flourishing material device, during the imbibition state, liquid in the flourishing material device passes through liquid inlet 102 and flows into inner chamber 101, during the notes liquid, the liquid of inner chamber 101 passes through liquid outlet 103 and injects on the product, set up the direction of movement of first case 2 into the liquid inlet direction of perpendicular to liquid inlet 102, guarantee that the driving force of the liquid in the flourishing material device can not act on the direction of movement of first case 2, avoid first case 2 to be promoted by the liquid in the flourishing material device, guarantee that the vertical liquid filling pump of this embodiment does not have the liquid leakage condition and takes place, the play liquid volume of liquid outlet 103 can stable control.

Preferably, the first valve spool 2 and the second valve spool 3 are wet cup pipe valve spools.

In this embodiment, the vertical liquid injection pump further includes a first elastic member 4 and a second elastic member 5, one end of the first elastic member 4 abuts against the first valve element 2, the other end of the first elastic member 4 abuts against the pump body 1, the first elastic member 4 is used for driving the first valve element 2 to be plugged between the liquid inlet 102 and the inner cavity 101, the second elastic member 5 abuts against the second valve element 3, and the second elastic member 5 is used for driving the second valve element 3 to be plugged between the liquid outlet 103 and the inner cavity 101.

Specifically, in a liquid suction state, the inner cavity 101 forms negative pressure, the first valve core 2 moves under pressure difference, the first valve core 2 and the liquid inlet 102 form dislocation, the first elastic part 4 abutting against the first valve core 2 is compressed, the liquid inlet 102 is communicated with the inner cavity 101, the second valve core 3 is blocked between the inner cavity 101 and the liquid outlet 103, and liquid enters the inner cavity 101 from the liquid inlet 102 to realize liquid suction; during liquid injection, the space of the inner cavity 101 is compressed, the first valve core 2 is pushed by reverse pressure and the first elastic part 4 to reset, the first valve core 2 is blocked between the liquid inlet 102 and the inner cavity 101, the second valve core 3 moves by the thrust of liquid in the inner cavity 101, dislocation is formed between the second valve core 3 and the liquid outlet 103, the second elastic part 5 abutting against the second valve core 3 is compressed, the inner cavity 101 is communicated with the liquid outlet 103, and liquid flows out of the liquid outlet 103 from the inner cavity 101 to realize liquid injection.

When the vertical liquid injection pump of the embodiment is not in operation, the first valve core 2 is blocked between the liquid inlet 102 and the inner cavity 101 by the elastic force of the first elastic member 4, and the second valve core 3 is blocked between the liquid outlet 103 and the inner cavity 101 by the elastic force of the second elastic member 5.

Preferably, the first elastic member 4 and the second elastic member 5 are tower-shaped springs.

In this embodiment, an accommodating cavity is formed between the liquid inlet 102 and the inner cavity 101, a sealing seat 6 is arranged in the accommodating cavity, the first valve element 2 is mounted on the sealing seat 6, and the sealing seat 6 is used for limiting the first valve element 2 between the liquid inlet 102 and the inner cavity 101.

Concretely, vertical priming pump still includes top 7, has still seted up the hole of stepping down on the wall body of the pump body 1, and the hole of stepping down is located the direction of movement of first case 2 and communicates with each other with holding the chamber, and top 7 demountable installation in the hole of stepping down and butt seal receptacle 6, and top 7 is used for injecing seal receptacle 6 in holding the intracavity. The top 7 is detachably mounted on the pump body 1, so that the sealing seat 6, the first valve core 2 and the first elastic part 4 can be conveniently dismounted.

In this embodiment, the vertical liquid injection pump further includes an injection assembly 8, the injection assembly 8 is detachably mounted on the liquid outlet 103, the second valve spool 3 is mounted on the injection assembly 8, one end of the second elastic member 5 abuts against the second valve spool 3, and the other end of the second elastic member 5 abuts against the injection assembly 8. Preferably, the injection assembly 8 comprises a connector detachably mounted to the liquid outlet 103, the second valve element 3 is located in the connector, and an injection nozzle mounted to the connector.

In this embodiment, the vertical liquid injection pump further comprises a power element 9 and a plunger 10, the power element 9 is mounted on the pump body 1, the plunger 10 is connected with the output end of the power element 9, and the power element 9 is used for driving the plunger 10 to reciprocate in the pump body 1 to enable the inner cavity 101 to form negative pressure. The power element 9 is connected with the plunger 10 through a connecting component. Alternatively, the power member 9 may be an air cylinder or a motor.

In this embodiment, the pump body 1 includes a first housing 104, a second housing 105, and a third housing 106 connected in sequence, the liquid inlet 102 and the liquid outlet 103 are opened on the first housing 104, and the power component 9 is mounted on the third housing 106. Divide into the three-section with the pump body 1, can improve the dismouting efficiency of vertical priming pump.

In order to prevent the inner cavity 101 from being compressed or forming a vacuum when the plunger 10 reciprocates between the first casing 104 and the second casing 105, and to avoid a gap at the joint between the first casing 104 and the second casing 105 from causing liquid leakage or air leakage, in the present embodiment, the sleeve 11 is disposed on the inner wall between the first casing 104 and the second casing 105, and the sleeve 11 is tightly sleeved on the outer wall of the plunger 10, so that the mechanical sealing function of the vertical type liquid injection pump can be ensured.

In this embodiment, the vertical infusion pump further comprises a liquid level meter 12, the liquid level meter 12 is mounted on the outer wall of the second casing 105, and the liquid level meter 12 is used for displaying the amount of liquid in the inner cavity 101. The specific structure of the liquid level meter 12 can refer to the prior art, and the details of this embodiment are not repeated.

In this embodiment, the vertical infusion pump further comprises a locating ring 13, the locating ring 13 being located on the inner wall between the second casing 105 and the third casing 106, the locating ring 13 being used to define the offset between the second casing 105 and the third casing 106 so as to ensure the coaxiality of the second casing 105 and the third casing 106.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A vertical charge pump, comprising:

2. The vertical priming pump of claim 1, further comprising:

3. The vertical type liquid injection pump according to claim 2, wherein a containing cavity is formed between the liquid inlet and the inner cavity, a sealing seat is arranged in the containing cavity, the first valve core is mounted on the sealing seat, and the sealing seat is used for limiting the first valve core between the liquid inlet and the inner cavity.

4. The vertical type liquid injection pump according to claim 3, further comprising a head, wherein a wall body of the pump body is further provided with a yielding hole, the yielding hole is located in the moving direction of the first valve core and is communicated with the accommodating cavity, the head is detachably mounted on the yielding hole and abuts against the sealing seat, and the head is used for limiting the sealing seat in the accommodating cavity.

5. The vertical priming pump of claim 2, further comprising an injection assembly removably mounted to said liquid outlet, said second valve spool being mounted to said injection assembly, one end of said second resilient member abutting said second valve spool, the other end of said second resilient member abutting said injection assembly.

6. The vertical type liquid injection pump as claimed in claim 1, further comprising a power member and a plunger, wherein the power member is mounted on the pump body, the plunger is connected with an output end of the power member, and the power member is used for driving the plunger to reciprocate in the pump body so as to enable the inner cavity to form negative pressure.

7. The vertical type liquid injection pump as claimed in claim 6, wherein the pump body comprises a first housing, a second housing and a third housing connected in sequence, the liquid inlet and the liquid outlet are arranged on the first housing, and the power member is mounted on the third housing.

8. The vertical priming pump of claim 7, further comprising a sleeve on an inner wall between the first and second housings, the sleeve closely fitting over an outer wall of the plunger.

9. The vertical infusion pump of claim 8, further comprising a liquid level gauge mounted on an outer wall of the second housing, the liquid level gauge for displaying the amount of liquid within the internal cavity.

10. The vertical charge pump of claim 7, further comprising a locating ring on an inner wall between the second casing and the third casing, the locating ring defining an offset between the second casing and the third casing.