Liquid filling valve body

Abstract

The utility model discloses a liquid filling valve body which comprises a filling valve body, a valve head assembly and a driving assembly. A filling pipe is mounted on the filling valve body; the valve head assembly is connected to one end of the filling valve body and comprises a filling valve head, the filling valve head is sleeved with a connecting nut, the connecting nut is in threaded connection with one end of the filling valve body, a filling valve element is arranged in the filling valve head, and a fastening nut is fixed to the filling valve element. The driving assembly is arranged at the end, away from the filling valve head, of the filling valve body and comprises a driving air cylinder, a piston push rod is installed on the driving air cylinder, a pull buckle is fixedly connected to the piston push rod, a valve element connecting rod is clamped to the pull buckle, and the fastening nut is in threaded connection with the end, away from the driving air cylinder, of the valve element connecting rod. According to the utility model, through the arrangement of corresponding mechanisms, the valve body is not easy to leak when liquid is filled and interrupted, so that the subsequent filling is not easy to influence, and the cleaning pressure of workers is also reduced.

Description

Technical Field

[0001] This utility model belongs to the field of canning valve technology, specifically relating to a liquid canning valve body. Background Technology

[0002] A reagent dispensing line is a production equipment system used to automatically and efficiently dispense reagents into various containers (such as reagent bottles, reagent cards, etc.) according to set dosages and specifications. Liquid filling, in particular, is the process of filling liquid materials into packaging containers in a predetermined quantity, and it is widely used in many industries such as food, pharmaceuticals, and chemicals. In existing technologies, liquid filling requires frequent interruptions to facilitate container replacement. However, during these interruptions, poor valve sealing can easily lead to liquid leakage, affecting subsequent filling and increasing purging pressure.

[0003] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a liquid filling valve body.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The purpose of this invention is to provide a liquid filling valve body that can solve the problem of poor sealing performance of liquid filling valve bodies in the prior art.

[0006] To achieve the above objectives, a specific embodiment of the present invention provides a liquid filling valve body, including: a filling valve body, a valve head assembly, and a drive assembly;

[0007] A filling tube is installed on the valve body of the filling valve;

[0008] The valve head assembly is connected to one end of the filling valve body. The valve head assembly includes a filling valve head, a connecting nut is fitted on the filling valve head, the connecting nut is threaded to one end of the filling valve body, a filling valve core is provided inside the filling valve head, and a fastening nut is fixed on the filling valve core.

[0009] The drive assembly is located at the end of the filling valve body away from the filling valve head. The drive assembly includes a drive cylinder, a piston rod is mounted on the drive cylinder, a pull buckle is fixedly connected to the piston rod, a valve core connecting rod is engaged on the pull buckle, and a fastening nut is threadedly connected to the end of the valve core connecting rod away from the drive cylinder.

[0010] In one or more embodiments of this utility model, a bellows is fixedly connected to the end of the filling tube away from the filling valve body to facilitate contraction and release, thereby improving the applicability of the device.

[0011] In one or more embodiments of this utility model, a limiting hole plate is provided inside the connecting nut to limit and support the valve core connecting rod, so that the valve core connecting rod is not easy to shake. A first O-ring is provided between the limiting hole plate and the filling valve head to improve the sealing performance and prevent liquid leakage.

[0012] In one or more embodiments of this utility model, the limiting perforated plate is provided with a plurality of evenly distributed holes to facilitate the flow of liquid.

[0013] In one or more embodiments of this utility model, an annular groove is chiseled at the end of the filling valve core away from the valve core connecting rod, and a second O-ring is provided in the annular groove to improve the sealing performance and prevent leakage when the liquid is filled or the filling is interrupted.

[0014] In one or more embodiments of this utility model, a fixed connecting sleeve is provided between the driving cylinder and the filling valve body. A plurality of internal hexagon bolts are inserted through the fixed connecting sleeve to fix the fixed connecting sleeve to the driving cylinder, so that the driving cylinder and the fixed connecting sleeve are not easy to fall off. The plurality of internal hexagon bolts are threadedly connected to the driving cylinder.

[0015] In one or more embodiments of this utility model, a flange bearing is provided inside the valve body of the filling valve near the fixed connecting sleeve, and a third O-ring is provided on one side of the flange bearing.

[0016] Compared with the prior art, this utility model, through the setting of the corresponding mechanism, makes it less likely for the valve body to leak during the filling process and during the interruption, thus not affecting subsequent filling and reducing the cleaning pressure on the staff. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a perspective view of a liquid filling valve body according to an embodiment of the present invention;

[0019] Figure 2 This is a cross-sectional view of a liquid filling valve body according to one embodiment of the present invention;

[0020] Figure 3 for Figure 2 The structural diagram shown at point A in the middle;

[0021] Figure 4 for Figure 2 The structural diagram shown at point B in the middle;

[0022] Figure 5 This is a schematic diagram of the limiting hole plate in one embodiment of the present invention.

[0023] Explanation of key figure labels:

[0024] 1-Filling valve body, 101-Filling pipe, 102-Belling pipe, 2-Valve head assembly, 201-Filling valve head, 202-Connecting nut, 203-Limiting orifice plate, 204-First O-ring, 205-Hole, 206-Filling valve core, 207-Second O-ring, 208-Fasting nut, 3-Drive assembly, 301-Drive cylinder, 302-Fixed connecting sleeve, 303-Hex socket head cap screw, 304-Pull buckle, 305-Valve core connecting rod, 306-Flange bearing, 307-Third O-ring. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0026] like Figures 1 to 5 As shown, a liquid filling valve body according to one embodiment of the present invention includes: a filling valve body 1, a valve head assembly 2, and a drive assembly 3.

[0027] like Figures 1 to 2 As shown, a filling pipe 101 is installed on the filling valve body 1 for the flow of liquid and to facilitate filling. A bellows 102 is fixedly connected to the end of the filling pipe 101 away from the filling valve body 1 for easy contraction and release, thereby improving the applicability of the device.

[0028] like Figures 1 to 3 As shown, valve head assembly 2 is connected to one end of filling valve body 1. Valve head assembly 2 includes filling valve head 201, and a connecting nut 202 is fitted on filling valve head 201 for fixing filling valve head 201 to filling valve body 1. Connecting nut 202 is threaded to one end of filling valve body 1. Filling valve core 206 is provided inside filling valve head 201 for sealing one end of filling valve head 201 to achieve the effect of interrupting filling.

[0029] The filling valve core 206 is fixed with a fastening nut 208, which is used to fix the filling valve core 206 to one end of the valve core connecting rod 305, so that the valve core connecting rod 305 can drive the filling valve core 206 to move, thereby achieving the effect of controlling the filling.

[0030] like Figures 1 to 5 As shown, a limiting orifice plate 203 is provided inside the connecting nut 202 to limit and support the valve core connecting rod 305, preventing it from shaking. A first O-ring 204 is provided between the limiting orifice plate 203 and the filling valve head 201 to improve sealing and prevent liquid leakage. Multiple evenly distributed holes 205 are drilled on the limiting orifice plate 203 to facilitate liquid flow.

[0031] The filling valve core 206 has an annular groove at the end away from the valve core connecting rod 305, and a second O-ring 207 is provided in the annular groove to improve the sealing performance and prevent leakage when the liquid is being filled or the filling process is interrupted.

[0032] like Figures 1 to 4 As shown, the drive assembly 3 is located at the end of the filling valve body 1 away from the filling valve head 201. The drive assembly 3 includes a drive cylinder 301, a piston push rod is mounted on the drive cylinder 301, a pull buckle 304 is fixedly connected to the piston push rod, a valve core connecting rod 305 is engaged on the pull buckle 304, and a fastening nut 208 is threadedly connected to the end of the valve core connecting rod 305 away from the drive cylinder 301.

[0033] Specifically, a fixed connecting sleeve 302 is provided between the drive cylinder 301 and the filling valve body 1. Multiple hexagonal socket head cap screws 303 are inserted through the fixed connecting sleeve 302 to fix it to the drive cylinder 301, preventing the drive cylinder 301 and the fixed connecting sleeve 302 from easily falling off. The multiple hexagonal socket head cap screws 303 are threadedly connected to the drive cylinder 301. A flange bearing 306 is provided inside the filling valve body 1 near the fixed connecting sleeve 302, and a third O-ring 307 is provided on one side of the flange bearing 306.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A liquid filling valve body, characterized in that, include: A filling valve body, on which a filling tube is installed; A valve head assembly is connected to one end of the filling valve body. The valve head assembly includes a filling valve head, a connecting nut is fitted on the filling valve head, the connecting nut is threaded to one end of the filling valve body, a filling valve core is provided inside the filling valve head, and a fastening nut is fixed on the filling valve core. A drive assembly is disposed at the end of the filling valve body away from the filling valve head. The drive assembly includes a drive cylinder, a piston rod is mounted on the drive cylinder, a pull buckle is fixedly connected to the piston rod, a valve core connecting rod is engaged on the pull buckle, and a fastening nut is threadedly connected to the end of the valve core connecting rod away from the drive cylinder.

2. The liquid filling valve body according to claim 1, characterized in that, A corrugated pipe is fixedly connected to the end of the filling pipe away from the valve body of the filling valve.

3. A liquid filling valve body according to claim 1 or 2, characterized in that, A limiting hole plate is provided inside the connecting nut, and a first O-ring is provided between the limiting hole plate and the filling valve head.

4. A liquid filling valve body according to claim 3, characterized in that, The limiting plate has multiple evenly distributed holes.

5. A liquid filling valve body according to any one of claims 1, 2, and 4, characterized in that, The filling valve core has an annular groove at the end away from the valve core connecting rod, and a second O-ring is provided in the annular groove.

6. A liquid filling valve body according to claim 3, characterized in that, The filling valve core has an annular groove at the end away from the valve core connecting rod, and a second O-ring is provided in the annular groove.

7. A liquid filling valve body according to any one of claims 1, 2, 4, and 6, characterized in that, A fixed connecting sleeve is provided between the drive cylinder and the filling valve body. Multiple hexagonal socket bolts are inserted through the fixed connecting sleeve and are threadedly connected to the drive cylinder.

8. A liquid filling valve body according to claim 3, characterized in that, A fixed connecting sleeve is provided between the drive cylinder and the filling valve body. Multiple hexagonal socket bolts are inserted through the fixed connecting sleeve and are threadedly connected to the drive cylinder.

9. A liquid filling valve body according to claim 5, characterized in that, A fixed connecting sleeve is provided between the drive cylinder and the filling valve body. Multiple hexagonal socket bolts are inserted through the fixed connecting sleeve and are threadedly connected to the drive cylinder.

10. A liquid filling valve body according to claim 7, characterized in that, A flange bearing is provided inside the valve body near the fixed connecting sleeve, and a third O-ring is provided on one side of the flange bearing.

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