CN214662142U

CN214662142U - Straight-cutting check valve for thick paste conveying pipeline

Info

Publication number: CN214662142U
Application number: CN202120773755.0U
Authority: CN
Inventors: 吕馥言; 赵东亮; 侯晓辉; 孙丽
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-09
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a cut formula check valve directly for dense lotion pipeline, including bevel gear, toothed disc, interior casing, baffle, shell body, valve body, plane screw thread, recess, thin slice cutter, ram and U type groove, on the shell body was located in U type groove, the ram was located on the shell body, the valve body slides and locates on the ram, the plane screw thread is located on the valve body, the recess is located on the valve body and slides and locate on the ram, on the ram was located to the baffle, interior casing threaded connection located on the shell body, the toothed disc meshing is located on the plane screw thread. The utility model belongs to the technical field of the check valve, specifically a cut-through check valve for dense lotion pipeline has effectively overcome dense lotion direct impact check valve among the prior art, arouses strong vibrations to and response speed is slow, and control accuracy is low, and the big shortcoming of resistance when the valve body gets into the pipeline provides an automatic hydraulic system precision control's that moves back to outside of tubes check valve of valve body.

Description

Straight-cutting check valve for thick paste conveying pipeline

Technical Field

The utility model belongs to the technical field of the check valve, specifically indicate a cut formula check valve directly for dense lotion pipeline.

Background

The problem of material backflow occurs in the process of conveying the thick paste through a long-distance pipeline, so that the conveying efficiency is reduced, the service life of pumping equipment is influenced, and even the pumping equipment is damaged. The check valve in the prior art has the advantages of low response speed, low control precision and large stroke, the valve body is arranged in the pipeline, the flowing form of the dense paste in the high-pressure pipeline is in a plunger flow structure, and when the dense paste is pushed by the pumping cylinder, the check valve can be directly impacted, so that the energy loss of transportation of the dense paste is increased, and strong vibration is caused; therefore, there is a need for a straight cut check valve with a precisely controllable valve body outside the pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a cut formula check valve directly for dense lotion pipeline, the effectual dense lotion direct impact check valve of having overcome among the prior art to and response speed is slow, and control accuracy is low, and the big shortcoming of resistance when the valve body gets into the pipeline provides the automatic check valve that moves back to the hydraulic system precision control outside of tubes of valve body.

The utility model adopts the following technical scheme: the utility model relates to a direct-cutting check valve for a dense paste conveying pipeline, which comprises a bevel gear, a gear disc, an inner shell, a clapboard, an outer shell, a valve body, a plane thread, a groove, a slice cutter, a ram and a U-shaped groove, wherein the U-shaped groove is arranged on the outer shell, the ram is arranged on the outer shell, the valve body is arranged on the ram in a sliding way, the plane thread is arranged on the valve body, the groove is arranged on the valve body and is arranged on the ram in a sliding way, the clapboard is arranged on the ram, the inner shell is connected with the outer shell in a threaded way, the gear disc is arranged on the plane thread in a meshing way, the bevel gear is arranged on the gear disc in a meshing way and is arranged on one side far away from the plane thread, the slice cutter is arranged on the valve body, the bevel gear plays roles of supporting and axial limiting, the inner shell plays a role of supporting, the clapboard plays a role of blocking, the outer shell plays a role of facilitating installation, the valve body plays the effect of sealing and opening, the plane screw thread plays the effect of connecting, the recess plays the effect of connecting, the thin slice cutter plays the effect of blocking, the ram plays the effect of sliding support, U type groove plays the effect of connecting.

Further, the valve body is arranged between the gear disc and the partition plate, and the gear disc is arranged between the bevel gear and the valve body.

Furthermore, the plane screw thread is perpendicular to the groove, and the plane screw thread is perpendicular to the ram.

Further, the valve body is provided with three groups, the plane threads are provided with a plurality of groups, the ram is provided with six groups, and the groove is provided with six groups.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the straight-cut check valve for the thick paste conveying pipeline, the valve body is automatically retreated to the outside of the pipeline, the defect that energy loss is caused by strong vibration due to direct impact on the valve body when the thick paste is pumped is overcome, and the conveying efficiency is improved; the invention is matched with hydraulic transmission, the response speed and the control precision are higher than those of a check valve which is opened and closed by medium pressure, and the invention has wider adaptability and precision; the valve body adopts a three-jaw mechanism, the stroke is shortened to a half of that of a pipeline, and when the valve body is closed, the hydraulic system drives the three jaws to be tightly closed, so that the valve body has better sealing performance and can quickly and effectively perform non-return; the front end of the claw is in a shape of a thin blade, so that the resistance of the claw to cutting thick paste is smaller compared with that of the plunger type valve body entering a pipeline.

Drawings

Fig. 1 is a cross-sectional view of a straight-cut check valve for a thick paste delivery pipeline of the present invention;

fig. 2 is a schematic structural view of a straight-cut check valve body for a thick paste delivery pipeline of the present invention;

fig. 3 is a cross-sectional view of the straight-cut check valve outer shell for the thick paste delivery pipeline of the utility model.

The device comprises a shell, a bevel gear 1, a bevel gear 2, a gear disc 3, an inner shell 4, a partition plate 5, an outer shell 6, a valve body 7, a plane thread 8, a groove 9, a slice cutter 10, a ram 11 and a U-shaped groove.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Detailed Description

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

As shown in figures 1-3, the utility model relates to a direct-cutting check valve for thick paste delivery pipe, which comprises a bevel gear 1, a gear disc 2, an inner shell 3, a clapboard 4, an outer shell 5, a valve body 6, a plane thread 7, a groove 8, a slice cutter 9, a ram 10 and a U-shaped groove 11, the U-shaped groove 11 is arranged on the outer shell 5, the ram 10 is arranged on the outer shell 5, the valve body 6 is arranged on the ram 10 in a sliding manner, the plane thread 7 is arranged on the valve body 6, the groove 8 is arranged on the valve body 6 and is arranged on the ram 10 in a sliding way, the clapboard 4 is arranged on the ram 10, the inner shell 3 is connected on the outer shell 5 by screw thread, the gear disc 2 is meshed with the plane thread 7, the bevel gear 1 is meshed with the gear disc 2 and is arranged on one side far away from the plane thread 7, and the slice cutter 9 is arranged on the valve body 6.

The valve body 6 is arranged between the gear disc 2 and the partition plate 4, and the gear disc 2 is arranged between the bevel gear 1 and the valve body 6.

The plane threads 7 are perpendicular to the grooves 8, and the plane threads 7 are perpendicular to the ram 10.

The valve body 6 is provided with three groups, the plane threads 7 are provided with a plurality of groups, the ram 10 is provided with six groups, and the groove 8 is provided with six groups.

When the device is used specifically, a user firstly installs the device on a conveying pipeline in sequence and firmly fixes the device, and simultaneously connects a hydraulic branch, connects the hydraulic branch with a bevel gear 1, and starts the conveying drive, at the moment, the conveying drive pushes forward the thick paste, at the moment, the hydraulic branch drives the bevel gear 1 to rotate, and further drives a gear disc 2 to rotate, so that a plane thread 7 rotates, the plane thread 7 has a synchronous self-centering function, and then drives three valve bodies 6 to synchronously move along the direction of a ram 10, the valve bodies 6 are opened and retreat to the outside of the pipe, so that the normal transportation of the thick paste in the pipeline is not interfered; when the hydraulic branch stops working and moves back after passing through the plug rod, the bevel gear 1 rotates reversely, so that the three valve bodies 6 drive the three groups of slice cutters 9 to cut into the paste body to complete synchronous closing, and the function of preventing the dense paste body from flowing back is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a cut formula check valve directly for dense lotion pipeline which characterized in that: including bevel gear, toothed disc, interior casing, baffle, shell body, valve body, plane screw thread, recess, thin slice cutter, ram and U type groove, on the shell body was located to U type groove, the ram was located on the shell body, the valve body slides and locates on the ram, the plane screw thread is located on the valve body, the recess is located on the valve body and slides and locate on the ram, the baffle is located on the ram, interior casing threaded connection locates on the shell body, the toothed disc meshing is located on the plane screw thread, the bevel gear meshing is located on the toothed disc and is located the one side of keeping away from the plane screw thread, the thin slice cutter is located on the valve body.

2. The straight cut check valve for thick paste delivery pipes of claim 1, wherein: the valve body is arranged between the gear disc and the partition plate, and the gear disc is arranged between the bevel gear and the valve body.

3. The straight cut check valve for thick paste delivery pipes according to claim 2, wherein: the plane screw thread is perpendicular to the groove, and the plane screw thread is perpendicular to the ram.

4. The straight cut check valve for thick paste delivery pipes according to claim 3, wherein: the valve body is provided with three groups, the plane threads are provided with a plurality of groups, the ram is provided with six groups, and the groove is provided with six groups.