CN221141213U

CN221141213U - Drip-proof filling valve

Info

Publication number: CN221141213U
Application number: CN202322392355.7U
Authority: CN
Inventors: 吴文海; 邓双全
Original assignee: Suzhou Shuanghai Machinery Co ltd
Current assignee: Suzhou Shuanghai Machinery Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-06-14
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to the technical field of filling valves, in particular to an anti-drip filling valve, which comprises a valve body, a driving element fixedly arranged at the upper end of the valve body and a discharging connector fixedly arranged at the lower end of the valve body, wherein an inserting cavity is formed in the valve body along the axial direction, a feeding port communicated with the inserting cavity is formed in the periphery of the valve body, and a plunger rod which is in sliding connection with the inserting cavity is fixedly arranged at the driving end of the driving element; the utility model has the effects of timely opening and closing at the feed inlet by arranging the plunger rod, and the upper half part of the valve body has the sealing effect by arranging the first sealing element with the sliding range between the feed inlet and the upper end of the valve body on the periphery of the plunger rod; the second sealing piece which can be abutted against the annular inclined surface is arranged on the conical surface of the lower end of the plunger rod, so that the effect of sealing the lower end of the valve body is achieved; through setting up the cylinder of pegging graft with the cylinder hole for the valve body has reached better seal, has prevented dripping, the emergence of leaking the condition.

Description

Drip-proof filling valve

Technical Field

The utility model relates to the technical field of filling valves, in particular to an anti-drip filling valve.

Background

The filling valve is a valve for controlling the filling rhythm, is especially widely applied to mechanical equipment in the industries of food, medicine, chemical industry, metallurgy, spray painting, vehicles, printing and dyeing and the like, can control the filling quantity accurately and quantitatively, has a small structure, is convenient and flexible, has a compact structure, and has functions directly influencing the filling effect.

The prior art has the following defects in the using process:

1. When the prior art is used, the tightness of the common filling valve is insufficient, and the filling valve still has the condition of dripping and leaking after stopping feeding due to the fact that the pressure of a pipeline for filling and feeding is high, especially when the filling valve leaves more diluted liquid for filling in an inner cavity of the filling valve after filling is finished, the dripping and leaking of the filling valve are more easy to occur;

2. In the prior art, when the filling valve is used, the stroke of a common filling valve control structure is longer, and filling feeding and stopping filling feeding cannot be timely performed at the beginning and the end of filling, so that the filling feeding effect is poor, and the accuracy of the filling feeding amount is poor.

In view of this we propose an anti-drip filling valve to solve the existing problems.

Disclosure of utility model

The utility model aims to provide an anti-drip filling valve so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drip-proof filling valve, includes the valve body, fixed setting is in the driving piece of valve body upper end, fixed discharging joint that sets up in the valve body lower extreme, insert the chamber along the axis direction in the inside of valve body, set up on the periphery of valve body with insert the feed inlet that the chamber is linked together, the fixed plunger rod that is provided with of driving piece with insert chamber looks sliding connection, the lower extreme of plunger rod has the circular truncated cone, discharging joint's upper end seted up with the annular inclined plane that the circular truncated cone is inconsistent, on the outer peripheral face of plunger rod for the upside position department of feed inlet fixed be provided with the first sealing member that the valve body inner peripheral face is inconsistent, fixed on the inclined plane of circular truncated cone be provided with the second sealing member that the annular inclined plane is inconsistent.

Preferably, the lower end surface of the plunger rod is positioned at the upper part of the feed inlet when the plunger rod slides upwards to the topmost end.

Preferably, the first sealing member is an annular flexible member with a square cross section, and the sliding range of the first sealing member is between the feeding hole and the upper end of the valve body.

Preferably, the second sealing member is an annular flexible member having a rectangular cross section and a slightly smaller diameter at one end and a slightly larger diameter at one end.

Preferably, the driving member is fixedly connected to the valve body by a plurality of fasteners uniformly distributed about the axis of the valve body.

Preferably, a feeding pipe communicated with the inserting cavity is fixedly arranged at the outer side opening of the feeding hole.

Preferably, a cylindrical hole is formed in the middle of the discharging connector along the axial direction.

Preferably, a cylinder which is inserted into the cylinder hole is fixedly arranged on the cone frustum.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the first sealing element is arranged on the periphery of the plunger rod, and the sliding range of the first sealing element is between the feed inlet and the upper end of the valve body, so that the upper half part of the valve body has a sealing effect; through set up the second sealing member on the conical surface of the lower extreme of plunger rod for the second sealing member is contradicted on the annular inclined plane on the ejection of compact joint when sliding to the lower extreme, has reached the sealed effect to the valve body lower extreme, through fixedly being provided with on the circular truncated cone with the cylinder that the cylinder hole is pegged graft, makes the valve body reach better seal, has prevented still taking place to drip, the condition of leaking because of the pipeline pressure of filling feed is great leads to the filling valve.

2. According to the utility model, the plunger rod is arranged in the insertion cavity in the valve body, so that the stroke of the filling valve control structure is reduced, the plunger rod has the effects of timely filling and feeding and stopping filling and feeding to the feeding port when the plunger rod slides in the insertion cavity, and the accurate control of filling and feeding is enhanced.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is an enlarged schematic view of a partial cross-sectional structure of the present utility model;

fig. 5 is a schematic view of a tap according to the present utility model.

In the figure: 1. a valve body; 101. a feed inlet; 2. a driving member; 3. a discharge joint; 31. a cylindrical hole; 4. inserting a cavity; 5. a plunger rod; 51. a first seal; 6. conical frustum; 61. a second seal; 62. a cylinder; 7. an annular inclined plane; 8. a fastener; 9. and a feed pipe.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 to 5, the drip-proof filling valve provided by the utility model comprises a valve body 1, a driving element 2 fixedly arranged at the upper end of the valve body 1, and a discharging connector 3 fixedly arranged at the lower end of the valve body 1, wherein an inserting cavity 4 is formed in the valve body 1 along the axial direction, a feeding hole 101 communicated with the inserting cavity 4 is formed in the periphery of the valve body 1, a plunger rod 5 which is in sliding connection with the inserting cavity 4 is fixedly arranged at the driving end of the driving element 2, a conical table 6 is arranged at the lower end of the plunger rod 5, an annular inclined surface 7 which is in contact with the conical table 6 is formed at the upper end of the discharging connector 3, a first sealing element 51 which is in contact with the inner peripheral surface of the valve body 1 is fixedly arranged at the upper side position of the outer peripheral surface of the plunger rod 5 relative to the feeding hole 101, the first sealing element 51 is an annular flexible element with a square section, and the sliding range of the first sealing element 51 is between the feeding hole 101 and the upper end of the valve body 1; a second sealing piece 61 which is in contact with the annular inclined surface 7 is fixedly arranged on the inclined surface of the cone frustum 6; the second seal member 61 is an annular flexible member having a rectangular cross section and a slightly smaller diameter at one end and a slightly larger diameter at one end; when the valve is used, the plunger rod 5 is arranged in the insertion cavity 4 in the valve body 1, so that the plunger rod 5 has the effects of timely filling and stopping filling and feeding to the feeding port 101 when in sliding motion in the insertion cavity 4, and the upper half part of the valve body 1 has the sealing effect by arranging the first sealing element 51 on the periphery of the plunger rod 5 and the sliding range of the first sealing element 51 between the feeding port 101 and the upper end of the valve body 1; through set up second sealing member 61 on the conical surface of the lower extreme of plunger rod 5 for on the annular inclined plane 7 of conflict on discharging connector 3 when second sealing member 61 slides to the lower extreme, reached the sealed effect to valve body 1 lower extreme, through fixedly being provided with on circular truncated cone 6 with cylinder 62 that cylinder hole 31 pegged graft mutually, make valve body 1 reach better seal, prevented still taking place the condition of drip, leaking because of the pipeline pressure of filling feed is great leads to the filling valve.

As shown in fig. 2, the lower end surface of the plunger rod 5 is located at the upper portion of the inlet 101 when the plunger rod 5 is slid up to the topmost end; when in use, the plunger rod 5 has an effect of opening and closing the feeding hole 101 when the plunger rod 5 slides in the inserting cavity 4.

As shown in fig. 1 and 3, the driving member 2 is fixedly connected to the valve body 1 by a plurality of fasteners 8 uniformly distributed with respect to the axis of the valve body 1; in use, the driver 2 is slidably engaged by the stably driven plunger rod 5 fixedly mounted to the valve body 1 by the provision of the fastener 8.

As shown in fig. 2, a feed pipe 9 communicated with the insertion cavity 4 is fixedly arranged at the outer side opening of the feed inlet 101; in use, the valve body 1 has the effect of stable feeding by providing the feed pipe 9 on the feed inlet 101.

As shown in fig. 2 and 5, a cylindrical hole 31 is formed in the middle of the discharge connector 3 along the axial direction; a cylinder 62 which is inserted into the cylinder hole 31 is fixedly arranged on the cone frustum 6; in use, the device has the effect of bottom secondary sealing through the plug-in fit of the cylinder 62 and the cylinder hole 31.

The drip-proof filling valve based on the first embodiment has the working principle that: when the feeding valve is used, the driving element 2 is controlled to drive the plunger rod 5 to slide upwards in the inserting cavity 4, so that the plunger rod 5 has the effect of opening and feeding the feeding port 101, meanwhile, the feeding pipe 9 is used for feeding the inserting cavity 4 in the valve body 1, filling material flows into the cylindrical hole 31 in the discharging joint 3 through the inserting cavity 4 to feed, when the feeding is required to be stopped, the driving element 2 is used for driving the plunger rod 5 to slide downwards, so that the outer peripheral surface of the plunger rod 5 has the effect of closing and feeding the feeding port 101, and when the plunger rod 5 slides to the lowest end, the second sealing element 61 slides to the lowest end and is abutted against the annular inclined surface 7 on the discharging joint 3, so that the sealing effect on the lower end of the valve body 1 is achieved, and meanwhile, the cylinder 62 on the cone table 6 is spliced with the cylindrical hole 31, so that the valve body 1 has better tightness, and the situation that the filling valve still has dripping and leakage due to the fact that the pressure of a filling feeding pipe is larger is prevented; by making the plunger rod 5 slide in the insertion cavity 4, the stroke of the filling valve control structure is reduced, so that the plunger rod 5 has the effects of timely filling and stopping filling and feeding to the feeding port 101 when slide in the insertion cavity 4, and the accurate control of filling and feeding is enhanced.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a drip-proof filling valve, includes valve body (1), fixed setting driver (2) in valve body (1) upper end, fixed discharging joint (3) that set up in valve body (1) lower extreme, insert chamber (4) have been seted up along the axis direction to the inside of valve body (1), set up on the periphery of valve body (1) with insert feed inlet (101) that chamber (4) are linked together, the fixed plunger rod (5) that are provided with of driver (2) with insert chamber (4) looks sliding connection, the lower extreme of plunger rod (5) has cone frustum (6), the upper end of discharging joint (3) seted up with annular inclined plane (7) that cone frustum (6) are inconsistent, its characterized in that: the upper side position of the outer peripheral surface of the plunger rod (5) relative to the feeding hole (101) is fixedly provided with a first sealing element (51) which is in contact with the inner peripheral surface of the valve body (1), and the inclined surface of the cone table (6) is fixedly provided with a second sealing element (61) which is in contact with the annular inclined surface (7).

2. The drip resistant filling valve as set forth in claim 1, wherein: the lower end surface of the plunger rod (5) is positioned at the upper part of the feeding hole (101) when the plunger rod (5) slides upwards to the topmost end.

3. The drip resistant filling valve as set forth in claim 1, wherein: the first sealing piece (51) is an annular flexible piece with a square cross section, and the sliding range of the first sealing piece (51) is between the feeding hole (101) and the upper end of the valve body (1).

4. The drip resistant filling valve as set forth in claim 1, wherein: the second seal member (61) is an annular flexible member having a rectangular cross section and a slightly smaller diameter at one end and a slightly larger diameter at one end.

5. The drip resistant filling valve as set forth in claim 1, wherein: the driving piece (2) is fixedly connected with the valve body (1) through a plurality of fasteners (8) which are uniformly distributed relative to the axis of the valve body (1).

6. The drip resistant filling valve as set forth in claim 1, wherein: the feeding pipe (9) communicated with the inserting cavity (4) is fixedly arranged at the outer side opening of the feeding opening (101).

7. The drip resistant filling valve as set forth in claim 1, wherein: the middle part of the discharging connector (3) is provided with a cylindrical hole (31) along the axial direction.

8. The drip resistant filling valve as set forth in claim 7, wherein: a cylinder (62) which is inserted with the cylinder hole (31) is fixedly arranged on the cone frustum (6).