CN210716244U

CN210716244U - Integrated butterfly valve

Info

Publication number: CN210716244U
Application number: CN201921540958.4U
Authority: CN
Inventors: 朱晓龙; 许永杰; 涂青
Original assignee: Qingdao Weiteng Precision Plastic Co ltd
Current assignee: Qingdao Weiteng Medical Technology Co.,Ltd.
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-09
Anticipated expiration: 2029-09-17

Abstract

The utility model provides an integrated butterfly valve, relating to the valve field, wherein, two positioning holes are arranged on the valve body corresponding to the handle position, the handle comprises a mounting part fixed with the valve body and a holding part connected with the mounting part, the side wall of the mounting part is provided with a through hole facing the valve body, one side of the through hole close to the handle is provided with a step part, a chute communicated with the outside is arranged on the side wall of the mounting part close to the holding part, the chute is communicated with the through hole, when the handle controls the integrated butterfly valve to be in the opening and closing state respectively, the through holes correspond to the positioning holes respectively, pins penetrate through the through holes of the installation portion, one ends of the pins are connected with the operation handle, the operation handle penetrates through the sliding groove to penetrate through the outer side of the installation portion, and the pins comprise a first rod body penetrating through the through holes, a second rod body connected with the first rod body, a spring sleeved outside the second rod body and a third rod body connected with the second rod body and located in the sliding groove. This integrative butterfly valve passes through the locking when pin and locating hole realize the two kinds of states of handle, reduces the emergence of potential safety hazard.

Description

Integrated butterfly valve

Technical Field

The utility model relates to a valve field, in particular to integrative butterfly valve.

Background

The butterfly valve is also called a flap valve, is a regulating valve with simple structure, and is also used for the switch control of low-pressure pipeline media. The opening and closing piece of the butterfly valve is a disc-shaped butterfly plate, and the butterfly plate rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The existing butterfly valve handle only has the opening and closing functions and does not have a locking mechanism, and a user does not close or open in place to cause liquid leakage in the using process, so that certain potential safety hazards exist in the using and transporting processes.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrative butterfly valve has solved the problem of handle locking among the prior art.

The technical scheme of the utility model is realized like this:

a butterfly valve body comprises a valve body, one side of the valve body is provided with a handle for controlling the opening and closing of the butterfly valve body, two positioning holes are arranged at intervals on the valve body corresponding to the handle, the handle comprises a mounting part fixed with the valve body and a holding part vertically connected with the mounting part, the mounting part is a barrel body horizontally arranged, one end of the side wall of the mounting part, which is opposite to the valve body, is provided with a through hole, one side of the through hole, which is close to the handle, is provided with a step part, the side wall of the mounting part, which is close to the holding part, is provided with a chute communicated with the outside, the chute is communicated with the through hole, when the butterfly valve body is respectively in an opening state and a closing state, the through hole of the mounting part respectively corresponds to one positioning hole, a pin is arranged in the through hole of the mounting part, one end of the pin is connected with an operating handle, and the operating handle is arranged to, the pin comprises a first rod body, a second rod body, a spring and a third rod body, wherein the first rod body is arranged in the through hole in a penetrating mode, the head end of the first rod body can be arranged in the positioning hole in a penetrating mode, the second rod body is connected with the first rod body, the outer diameter of the second rod body is smaller than that of the first rod body, the spring is sleeved outside the second rod body, the third rod body is connected with the second rod body and located in the sliding groove, the operating handle is connected with the third rod body, and two ends of the spring are respectively abutted to step portions of.

Preferably, the integral butterfly valve further comprises a first flange plate arranged at one end of the valve body, a second flange plate abutting against the first flange plate, and a bolt assembly fixed on the first flange plate and the second flange plate.

Preferably, the first flange plate and the second flange plate are correspondingly provided with a plurality of fixing holes arranged at intervals, each fixing hole is a threaded hole, and the bolt assembly is arranged in the fixing hole.

Preferably, each bolt assembly comprises a screw penetrating through the fixing hole, a circular gasket arranged on the first flange plate and sleeved outside the screw rod of the screw, and a spring gasket arranged between the circular gasket and the nut.

Preferably, the operating handle is vertically connected with the pin.

The utility model has the advantages that:

the utility model discloses an integrative butterfly valve makes its direction to the control part remove through operating handle, and the operating handle drives the pin and removes to keeping away from the locating hole direction along wearing to establish the hole, makes spring compression deformation, and the end of pin breaks away from the locating hole to but the handle makes it rotate to another kind of state, loosens the operating handle again, makes first body of rod end extend the locating hole under the spring force effect in, and the handle is in the lock-out state, from this, reaches the locking of the two kinds of states of handle, reduces the potential safety hazard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of an integrated butterfly valve of the present invention;

FIG. 2 is a perspective view of a portion of the valve body of FIG. 1;

fig. 3 is a cross-sectional view of fig. 1.

In the figure:

10. a valve body; 20. a first flange plate; 30. a second flange plate; 50. a bolt assembly; 60. a handle; 11. positioning holes; 61. an installation part; 62. a grip portion; 63. perforating holes; 65. a step portion; 66. a chute; 70. a pin; 71. an operating handle; 72. a first rod body; 73. a second rod body; 75. a spring; 76. a third rod body; 51. a screw; 52. a circular pad; 53. a spring washer.

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 work belong to the protection scope of the present invention.

As shown in fig. 1, the integral butterfly valve includes a valve body 10, a first flange 20 disposed at one end of the valve body 10, a second flange 30 disposed to abut against the first flange 20, and a bolt assembly 50 fixed to the first flange 20 and the second flange 30.

Referring to fig. 2 and 3, a handle 60 is disposed on one side of the valve body 10 for controlling the opening and closing of the integral butterfly valve. The valve body 10 is provided with two positioning holes 11 at intervals corresponding to the positions of the handle 60. The handle 60 includes a mounting portion 61 fixed to the valve body 10 and a grip portion 62 perpendicularly connected to the mounting portion 61. The mounting portion 61 is a horizontally disposed cylinder, and a through hole 63 is formed at an end of a side wall of the mounting portion facing the valve body 10. The through hole 63 has a step 65 on one side thereof near the handle 60, and the step 65 divides the through hole 63 into left and right portions with different diameters, i.e. the diameter of the portion near the valve body 10 is larger than the diameter of the portion far from the valve body 10. The side wall of the mounting portion 61 is provided with a sliding groove 66 adjacent to the holding portion 62, the sliding groove 66 is communicated with the outside, and the sliding groove 66 is communicated with the through hole 63. When the handle 60 controls the integral butterfly valve to be in the open state and the closed state respectively, the through holes 63 of the mounting portion 61 correspond to the positioning holes 11 respectively. A pin 70 is inserted into the insertion hole 63 of the mounting portion 61, and an operation handle 71 is connected to one end of the pin 70. The operating handle 71 is vertically connected to the pin 70 and is inserted to the outside of the mounting portion 61 through the slide groove 66. The operation handle 71 is provided parallel to the grip 62 and is located inside the grip 62. The pin 70 includes a first rod 72 passing through the through hole 63 and having a head end passing through the positioning hole 11, a second rod 73 connected to the first rod 72 and having an outer diameter smaller than that of the first rod 72, a spring 75 sleeved outside the second rod 73, and a third rod 76 connected to the second rod 73 and located in the sliding groove 66. The lever 71 is connected to the third rod 76. The two ends of the spring 75 respectively abut against the first rod 72 and the step 65 of the through hole 63.

The first flange 20 and the second flange 30 are provided with a plurality of fixing holes at intervals, and each fixing hole is a threaded hole. The bolt assembly 50 includes a screw 51 inserted into the fixing hole, a circular washer 52 disposed on the first flange 20 and sleeved outside the screw of the screw, and a spring washer 53 disposed between the circular washer 52 and the nut. The bolt assembly is a pre-assembly, and all the parts are combined together in advance and directly fixed on the flange plate when in use, so that the influence on use caused by omission of a certain element is prevented.

When the handle 60 is used, the operating handle 71 is operated to move towards the holding part 62, the operating handle 71 drives the pin 70 to move towards the direction away from the positioning hole 11 along the through hole 63, the spring 75 is compressed and deformed, the tail end of the pin 70 is separated from the positioning hole 11, the handle 60 can be operated to rotate to another state, the operating handle is loosened, the tail end of the first rod body 72 extends into the positioning hole under the elastic force of the spring 75, and the handle 60 is in a locking state, so that the two states of the handle 60 are locked, and potential safety hazards are reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an integrative butterfly valve, includes a valve body, one side of valve body is equipped with a handle that is used for controlling integrative butterfly valve switching, its characterized in that: the valve body is provided with two positioning holes which are arranged at intervals corresponding to the position of the handle, the handle comprises an installation part fixed with the valve body and a holding part vertically connected with the installation part, the installation part is a horizontally arranged cylinder, the side wall of the installation part is provided with a through hole right facing to one end of the valve body, one side of the through hole close to the holding part is provided with a step part, the side wall of the installation part is provided with a chute communicated with the outside at the position close to the holding part, the chute is communicated with the through hole, when the handle controls the integrated butterfly valve to be respectively in an opening state and a closing state, the through holes of the installation part respectively correspond to one positioning hole, a pin is arranged in the through hole of the installation part in a penetrating way, one end of the pin is connected with an operating handle, the operating handle penetrates to the outer side of the installation part through the chute, and the pin comprises a first rod body, a second rod body, the second rod body is connected with the first rod body, the outer diameter of the second rod body is smaller than that of the first rod body, the spring is sleeved outside the second rod body, the third rod body is connected with the second rod body and located in the sliding groove, the operating handle is connected with the third rod body, and two ends of the spring are respectively abutted against the step portions of the first rod body and the penetrating hole.

2. The unitary butterfly valve of claim 1, wherein: the valve also comprises a first flange plate arranged at one end of the valve body, a second flange plate which is propped against the first flange plate, and a bolt component fixed on the first flange plate and the second flange plate.

3. The unitary butterfly valve of claim 2, wherein: the first flange plate and the second flange plate are correspondingly provided with a plurality of fixing holes arranged at intervals, each fixing hole is a threaded hole, and the bolt assembly is arranged in the fixing hole.

4. The unitary butterfly valve of claim 3, wherein: each bolt assembly comprises a screw penetrating through the fixing hole, a circular gasket arranged on the first flange plate and sleeved outside the screw rod of the screw, and a spring gasket arranged between the circular gasket and the nut.

5. An integral butterfly valve as claimed in any one of claims 1 to 4, wherein: the operating handle is vertically connected with the pin.