CN210050308U

CN210050308U - Manual ventilation valve

Info

Publication number: CN210050308U
Application number: CN201920610187.5U
Authority: CN
Inventors: 周文
Original assignee: Wenzhou Longdao Industrial Control Valve Co Ltd
Current assignee: Wenzhou Longdao Industrial Control Valve Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-11
Anticipated expiration: 2029-04-29

Abstract

The utility model relates to a manual ventilation valve, including valve body, valve rod seat, actuating handle and the valve plate that has the valve pocket, the valve plate is through pivot swivelling joint on the valve body, the pivot is passed through the bearing and is connected with the valve body, and actuating handle's drive shaft passes valve body and valve rod seat and valve plate and links firmly, is equipped with the locating lever in the drive shaft, is equipped with the sector groove that the radian is "90" degree in the valve rod seat, and the locating lever is located the sector groove and is reciprocating motion along the sector groove, just when the locating lever is located the sector groove both ends, the valve plate position corresponds opening and closing of valve. The utility model discloses a set up locating lever and fan-shaped groove for driving handle rotation angle can only be in the fan-shaped inslot, thereby guarantees opening and closing of driving handle's rotation limit corresponding valve, and the operating personnel of being convenient for confirms whether the ventilation valve closes and targets in place, and need not the staff and go to observe, improves the convenience that the ventilation valve used, improves the leakproofness that the ventilation valve used.

Description

Manual ventilation valve

Technical Field

The utility model relates to a ventilation valve, concretely relates to manual ventilation valve.

Background

The ventilation valve is mainly used in a ventilation system and a dust removal system, and belongs to a non-closed valve. The general structure includes a valve body and a valve plate capable of opening and closing. The existing ventilation valve is closed and opened by rotating the valve plate driven by the rotary driving handle, the valve plate of the ventilation valve can rotate for 360 degrees and is not provided with an indicating sign for opening and closing the valve clack, when the ventilation valve is used, an operator determines whether the valve plate is closed in place or not by feeling or observing from the ventilation opening, the ventilation valve is very inconvenient to use, and the problem that the ventilation valve is not closed tightly often occurs.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a manual ventilation valve.

The utility model adopts the technical proposal that: the utility model provides a manual ventilation valve, is including valve body, valve stem seat, driving handle and the valve plate that has the valve pocket, the valve plate pass through pivot swivelling joint on the valve body, the pivot is passed through the bearing and is connected with the valve body, driving handle's drive shaft pass valve body and valve stem seat and valve plate and link firmly, the drive shaft on be equipped with the locating lever, the valve stem seat in be equipped with the sector groove that the radian is "90" °, the locating lever is located the sector groove and is reciprocating motion along the sector groove, just when the locating lever is located the sector groove both ends, the valve plate position corresponds opening and closing of valve.

Furthermore, the driving handle comprises a driving shaft, a circular handheld ring and a cross connecting rod, the driving shaft is fixed at the center of the circular handheld ring through the cross connecting rod, an opening/closing mark is arranged on the upper end face of the valve rod seat, and an arrow mark pointing to the opening/closing mark is arranged on the cross connecting rod.

Furthermore, flanges are integrally formed at two ends of the valve cavity.

Further, the valve plate in the middle of have integrated into one piece have the connecting axle, be equipped with the bolt hole in one end open-ended shaft hole and perpendicular to shaft hole in the connecting axle, the drive shaft stretches into and links firmly through the bolt in the connecting hole.

Furthermore, the valve cavity is internally and integrally formed with two C-shaped retaining rings which are respectively positioned at two sides of the valve plate.

Furthermore, the rotating shaft is integrally formed at the bottom of the connecting shaft.

The utility model has the advantages that: the utility model discloses a set up locating lever and fan-shaped groove for driving handle rotation angle can only be in the fan-shaped inslot, thereby guarantees opening and closing of driving handle's rotation limit corresponding valve, and the operating personnel of being convenient for confirms whether the ventilation valve closes and targets in place, and need not the staff and go to observe, improves the convenience that the ventilation valve used, improves the leakproofness that the ventilation valve used, has simple structure, low cost, convenient and practical's advantage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal schematic view of the present invention.

Fig. 3 is a top schematic view of the drive handle.

Fig. 4 is a schematic cross-sectional view a-a of fig. 2.

Fig. 5 is a schematic structural view of the valve plate.

In the figure: 1. a valve cavity; 2. a valve body; 3. a valve stem seat; 4. a drive handle; 5. a valve plate; 6. a rotating shaft; 7. a bearing; 8. a drive shaft; 9. positioning a rod; 10. a sector groove; 11. a circular hand-held ring; 12. a cross-shaped connecting rod; 13. an on/off flag; 14. an arrow mark; 15. a flange plate; 16. a connecting shaft; 17. a shaft hole; 18. bolt holes; 19. fixedly connecting through bolts; 20. a C-shaped baffle ring.

Detailed Description

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

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a manual ventilation valve.

In this embodiment, referring to fig. 1 to 5, the manual ventilation valve includes a valve body 2 having a valve cavity 1, a valve rod seat 3, a driving handle 4 and a valve plate 5, the valve plate 5 is rotatably connected to the valve body 2 through a rotating shaft 6, the rotating shaft 6 is connected to the valve body 2 through a bearing 7, a driving shaft 8 of the driving handle 4 penetrates through the valve body 2 and the valve rod seat 3 to be fixedly connected to the valve plate 5, the driving shaft 8 is provided with a positioning rod 9, the valve rod seat 3 is provided with a sector groove 10 having a radian of "90", the positioning rod 9 is located in the sector groove 10 and reciprocates along the sector groove 10, and when the positioning rod is located at two ends of the sector groove, the position of the valve plate corresponds to the opening and closing of the valve. Namely, the rotation limit of the valve rod corresponds to the opening and closing of the valve, namely, in the process that the valve rod is rotated to drive the valve plate to rotate by 0-90 degrees, 0 degree corresponds to the opening or closing of the valve, and 90 degrees corresponds to the closing or closing of the valve. Therefore, whether the valve plate is closed in place or not is convenient for operators to determine, and the problem of untight closing is avoided.

The driving handle 4 comprises a driving shaft 8, a circular handheld ring 11 and a cross connecting rod 12, the driving shaft 8 is fixed at the center of the circular handheld ring 11 through the cross connecting rod 12, an opening/closing mark 13 is arranged on the upper end face of the valve rod seat, and an arrow mark 14 pointing to the opening/closing mark is arranged on the cross connecting rod. As shown in fig. 3, the directional on/off mark of arrow mark on the cross connecting rod, the operating personnel of being convenient for confirm that the valve is in and opens or closed condition, and wherein setting up of circular handheld ring and cross connecting rod is more laborsaving when making operating personnel operate, moreover, the utility model discloses directly set up traditional valve rod on actuating handle, help reduction in production cost, reduce the equipment step, improve production efficiency.

The two ends of the valve cavity 1 are integrally formed with flange plates 15; the middle of the valve plate 5 is provided with a connecting shaft 16 which is integrally formed, the connecting shaft 16 is internally provided with a shaft hole 17 with an opening at one end and a bolt hole 18 vertical to the shaft hole, and the driving shaft 8 extends into the connecting hole and is fixedly connected through the bolt 18. The valve plate structure of this kind of structure is complicated, and the equipment accessory is many, influences packaging efficiency, and manufacturing cost is higher. And utility model regards valve rod, actuating handle as a whole, reduces the part, simplifies the drive structure to reduction in production cost improves the packaging efficiency.

The valve cavity 1 is internally and integrally formed with two C-shaped retaining rings 20 which are respectively positioned at two sides of the valve plate. When the valve is closed, the side surface of the valve plate is attached to the C-shaped retaining ring, so that the sealing performance of the valve is improved.

The utility model discloses in pivot integrated into one piece in the bottom of connecting axle. Current valve plate is generally through going up pivot and lower pivot swivelling joint on the valve body, and is through bolted connection between valve plate and last pivot and the lower pivot, and this kind of structural mechanical strength is lower, goes up pivot and lower pivot and breaks away from the valve plate easily, the utility model discloses only set up a pivot to integrated into one piece is on the valve plate, and the processing production of not only being convenient for is convenient for moreover the assembly.

The utility model discloses a set up locating lever and fan-shaped groove for driving handle rotation angle can only be in the fan-shaped inslot, thereby guarantees opening and closing of driving handle's rotation limit corresponding valve, and the operating personnel of being convenient for confirms whether the ventilation valve closes and targets in place, and need not the staff and go to observe, improves the convenience that the ventilation valve used, improves the leakproofness that the ventilation valve used, has simple structure, low cost, convenient and practical's advantage.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a manual ventilation valve, is including valve body, valve rod seat, driving handle and the valve plate that has the valve pocket, the valve plate pass through pivot swivelling joint on the valve body, the pivot is passed through the bearing and is connected with the valve body, driving handle's drive shaft pass valve body and valve rod seat and link firmly its characterized in that with the valve plate: the valve is characterized in that a positioning rod is arranged on the driving shaft, a sector groove with the radian of 90 degrees is arranged in the valve rod seat, the positioning rod is positioned in the sector groove and reciprocates along the sector groove, and when the positioning rod is positioned at two ends of the sector groove, the valve plate is opened and closed correspondingly to the valve.

2. The manual vent valve of claim 1, wherein: the driving handle comprises a driving shaft, a circular handheld ring and a cross connecting rod, the driving shaft is fixed at the center of the circular handheld ring through the cross connecting rod, an opening/closing mark is arranged on the upper end face of the valve rod seat, and an arrow mark pointing to the opening/closing mark is arranged on the cross connecting rod.

3. The manual vent valve of claim 1, wherein: and flanges are integrally formed at two ends of the valve cavity.

4. The manual vent valve of claim 1, wherein: the valve plate in the middle of have integrated into one piece have the connecting axle, be equipped with the bolt hole in one end open-ended shaft hole and the perpendicular to shaft hole in the connecting axle, the drive shaft stretches into and links firmly through the bolt in the connecting hole.

5. A manual vent valve according to any of claims 1-4, wherein: the valve cavity is internally and integrally formed with two C-shaped retaining rings which are respectively positioned at two sides of the valve plate.

6. The manual vent valve of claim 4, wherein: the rotating shaft is integrally formed at the bottom of the connecting shaft.