CN219102050U

CN219102050U - Pull rod type butterfly valve

Info

Publication number: CN219102050U
Application number: CN202320184364.4U
Authority: CN
Inventors: 陈明; 陈锋; 宫佳琦; 池彩霞; 张东云
Original assignee: Shanghai Meride Valve Manufacturing Co ltd
Current assignee: Shanghai Meride Valve Manufacturing Co ltd
Priority date: 2023-02-11
Filing date: 2023-02-11
Publication date: 2023-05-30
Anticipated expiration: 2033-02-11

Abstract

The utility model discloses a pull rod type butterfly valve, which relates to the field of butterfly valves and comprises a shell and butterfly plates, wherein a vertical shaft penetrates through the inner side wall of the shell, a disassembly and assembly mechanism is arranged in the shell through the vertical shaft, a limiting mechanism is arranged at the top of the vertical shaft and above the shell, the disassembly and assembly mechanism comprises arc plates, clamping grooves are formed in the upper ends of the arc plates, clamping plates are arranged on the outer side wall of the vertical shaft and between the two groups of arc plates, fixing plates are arranged between the two groups of arc plates and near the two ends in a penetrating way, and screws are arranged on the side wall of the fixing plate in a penetrating way at the two ends; the utility model has the advantages that: the butterfly plate is convenient to install and detach by staff, the butterfly plate is prevented from being damaged to influence the use of the butterfly valve, the butterfly plate is convenient to use, the vertical shaft can be positioned, the butterfly valve is prevented from being closed due to the fact that the vertical shaft is reversed after the butterfly plate is opened through the pull rod and the vertical shaft, and the stability of the butterfly valve in use is effectively improved.

Description

Pull rod type butterfly valve

Technical Field

The utility model relates to the field of butterfly valves, in particular to a pull rod type butterfly valve.

Background

The butterfly valve is a simple-structure regulating valve, and can be used for controlling the opening and closing of low-pressure pipeline media, wherein the butterfly valve is a valve in which a closing member is a disc and rotates around a valve shaft to be opened and closed, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The butterfly valve opening and closing member is a disc-shaped butterfly plate which rotates around the axis of the butterfly valve body in the valve body, so that the purpose of opening and closing or adjusting is achieved.

However, in the prior art, because the pull rod type butterfly valve, the butterfly plate and the vertical shaft are fixedly arranged inside the shell, when the butterfly plate is damaged, the whole butterfly valve needs to be replaced, which is troublesome and wastes resources.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the pull rod type butterfly valve, so that a worker can conveniently install and detach the butterfly plate, and the butterfly plate is prevented from being damaged to influence the use of the butterfly valve, so that the butterfly valve is convenient and fast to use.

In order to solve the technical problems, the technical scheme of the utility model is that the pull rod type butterfly valve comprises a shell and a butterfly plate, wherein a vertical shaft penetrates through the inner side wall of the shell, a disassembly and assembly mechanism is arranged in the shell through the vertical shaft, and a limiting mechanism is arranged at the top of the vertical shaft and above the shell.

As a further aspect of the utility model: the dismounting mechanism comprises an arc-shaped plate, a clamping groove is formed in the upper end of the arc-shaped plate, clamping plates are arranged on the outer side wall of the vertical shaft and located between two groups of arc-shaped plates, fixing plates are arranged between the arc-shaped plates and close to the two ends in a penetrating mode, and screws are arranged on the side walls of the fixing plates and located at the two ends in a penetrating mode.

As a further aspect of the utility model: two groups of arc pass through cardboard cooperation draw-in groove setting on the vertical axis lateral wall, butterfly plate one end and arc lateral wall rigid coupling, two groups of the butterfly plate passes through the arc to be fixed to be set up on the vertical axis lateral wall, screw one end runs through the fixed plate and sets up inside the arc.

As a further aspect of the utility model: the limiting mechanism comprises a baffle, a first groove is formed in the top of the vertical shaft, a push plate is inserted into the first groove, a second groove is formed in one end of the push plate, a positioning plate is inserted into the second groove, and a plurality of groups of positioning grooves matched with the positioning plate are formed in the outer side wall of the baffle in an equidistant penetrating mode.

As a further aspect of the utility model: the novel locating plate is characterized in that a first spring is arranged between one end of the push plate and the inner side wall of the first groove, a second spring is arranged between the locating plate and the inner side wall of the second groove, a chute is formed in the top of the locating plate, and the top of the locating plate is arranged inside the locating groove in a penetrating mode through the chute.

As a further aspect of the utility model: the utility model discloses a vertical axis, including vertical axis, shell, vertical axis top and vertical axis, the vertical axis top just is located the shell top position and is provided with the pull rod, pull rod keeps away from vertical axis one end and is provided with the ball of holding, pull rod and vertical axis mutually perpendicular set up.

The technical scheme is adopted: the arc plates arranged on one side of the two groups of butterfly plates are all sleeved on the outer side wall of the vertical shaft, the two groups of butterfly plates are symmetrically arranged about the vertical shaft, the clamping grooves on the inner side walls of the arc plates are sleeved on the clamping plates, the clamping plates can be matched with the clamping grooves to position the arc plates, the arc plates are prevented from rotating on the vertical shaft, the fixing plates penetrate through the two groups of arc plates, one ends of the screws penetrate through the fixing plates to be arranged inside the arc plates, the two groups of arc plates are positioned, the butterfly plates are rotated to the inside of the shell through the pull rod to rotate the vertical shaft, and the screws and the fixing plates can be taken down to detach the butterfly plates when the butterfly plates are detached.

Through the anticlockwise vertical axis that rotates of pull rod, the locating plate passes through the chute and shifts out from a set of constant head tank inside this moment, then baffle lateral wall extrusion locating plate, extrude locating plate to recess two inside, the push pedal extrudees to recess one inside, when the locating plate removes to next set of constant head tank notch position, spring one is released the push pedal, spring two promotes locating plate top to the constant head tank inside, along with the continuous rotation of vertical axis, the locating plate continuously repeats above-mentioned process, constantly insert to establish to the constant head tank inside that corresponds, the locating plate cooperation constant head tank can be to the vertical axis location this moment, avoid opening the back with the butterfly plate through pull rod and vertical axis, the vertical axis reversal leads to this butterfly valve to close, the effectual stability that improves this butterfly valve when using.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pull rod butterfly valve;

FIG. 2 is a schematic view of the vertical shaft and butterfly plate of a pull-rod butterfly valve;

FIG. 3 is an enlarged view of the pull rod butterfly valve of FIG. 2A;

FIG. 4 is a cross-sectional view of the vertical axis of a pull rod butterfly valve.

In the figure: 1. a housing; 2. a vertical axis; 3. a pull rod; 4. a disassembly and assembly mechanism; 5. an arc-shaped plate; 6. a butterfly plate; 7. a clamping groove; 8. a clamping plate; 9. a fixing plate; 10. a screw; 11. a limiting mechanism; 12. a groove I; 13. a push plate; 14. a second groove; 15. a positioning plate; 16. a baffle; 17. a positioning groove; 18. holding the ball.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pull rod type butterfly valve, includes shell 1 and butterfly plate 6, runs through between the inside wall of shell 1 to be provided with vertical axis 2, and shell 1 is inside to be provided with dismouting mechanism 4 through vertical axis 2, and vertical axis 2 top just is provided with limiting mechanism 11 in the position above shell 1.

Referring to fig. 2 and 3, the dismounting mechanism 4 includes an arc-shaped plate 5, a clamping groove 7 is formed in the upper end of the arc-shaped plate 5, a clamping plate 8 is arranged on the outer side wall of the vertical shaft 2 and located between two groups of arc-shaped plates 5, a fixing plate 9 is arranged between the two groups of arc-shaped plates 5 and near two ends in a penetrating manner, and screws 10 are arranged on the side wall of the fixing plate 9 and located at the two ends in a penetrating manner.

The vertical shaft 2 is rotated through the pull rod 3, wherein the pull rod 3 can be conveniently held by a holding ball 18, the pull rod 3 is rotated to a position parallel to the shell 1, then the arc plates 5 arranged on one side of the two groups of butterfly plates 6 are sleeved on the outer side wall of the vertical shaft 2, the two groups of butterfly plates 6 are symmetrically arranged about the vertical shaft 2, the clamping grooves 7 on the inner side wall of the arc plates 5 are sleeved on the clamping plates 8, and at the moment, the clamping plates 8 are matched with the clamping grooves 7 to position the arc plates 5, so that the arc plates 5 are prevented from rotating on the vertical shaft 2.

Two groups of arc plates 5 are arranged on the outer side wall of the vertical shaft 2 through clamping plates 8 matched with clamping grooves 7, one end of each butterfly plate 6 is fixedly connected with the outer side wall of each arc plate 5, two groups of butterfly plates 6 are fixedly arranged on the outer side wall of the vertical shaft 2 through the arc plates 5, and one end of each screw 10 penetrates through the fixing plate 9 and is arranged inside the corresponding arc plate 5.

The fixing plate 9 penetrates through the two groups of arc plates 5, one end of the screw 10 penetrates through the fixing plate 9 to be arranged inside the arc plates 5, the two groups of arc plates 5 are positioned, then the butterfly plate 6 is rotated to the inside of the shell 1 through the vertical shaft 2 rotated by the pull rod 3, and the screw 10 and the fixing plate 9 are taken down to detach the butterfly plate 6 when the butterfly plate is detached.

When using, the staff rotates vertical axis 2 through pull rod 3, wherein hold ball 18 and can be convenient for the staff to hold pull rod 3, rotate pull rod 3 to the position that is parallel to each other with shell 1, afterwards establish the arc 5 that two sets of butterfly plate 6 one side set up at vertical axis 2 lateral wall all, and two sets of butterfly plate 6 set up about vertical axis 2 symmetry, wherein draw-in groove 7 cover on the arc 5 inside wall is established on cardboard 8, cardboard 8 cooperation draw-in groove 7 can fix a position arc 5 this moment, avoid it to rotate on vertical axis 2, later run through two sets of arc 5 setting with fixed plate 9, run through fixed plate 9 again inside arc 5 setting, fix a position two sets of arc 5, later rotate butterfly plate 6 to shell 1 inside through pull rod 3 rotation vertical axis 2, during the dismantlement, with screw 10 and fixed plate 9 take off, be convenient for the staff to install and dismantle butterfly plate 6 through above-mentioned operation, avoid butterfly plate 6 to damage and influence this butterfly plate's use, comparatively convenient.

Example two

Referring to fig. 4, the limiting mechanism 11 includes a baffle 16, a first groove 12 is formed at the top of the vertical shaft 2, a push plate 13 is inserted into the first groove 12, a second groove 14 is formed at one end of the push plate 13, a positioning plate 15 is inserted into the second groove 14, and a plurality of groups of positioning grooves 17 matched with the positioning plate 15 are formed in the outer side wall of the baffle 16 in an equidistant penetrating manner.

The locating plate 15 cooperates the constant head tank 17 can fix a position vertical axis 2, avoids opening the back with butterfly plate 6 through pull rod 3 and vertical axis 2, and vertical axis 2 reversal leads to this butterfly valve to close, the effectual stability of improving this butterfly valve when using.

A first spring is arranged between one end of the push plate 13 and the inner side wall of the first groove 12, a second spring is arranged between the positioning plate 15 and the inner side wall of the second groove 14, a chute is formed in the top of the positioning plate 15, and the top of the positioning plate 15 is arranged inside the positioning groove 17 in a penetrating mode through the chute.

The vertical shaft 2 is rotated anticlockwise through the pull rod 3, the locating plate 15 moves out of the inside of one group of locating grooves 17 through the chute, then the side wall of the baffle 16 extrudes the locating plate 15, extrudes the locating plate 15 into the second groove 14, the push plate 13 extrudes into the first groove 12, when the locating plate 15 moves to the notch position of the next group of locating grooves 17, the first spring pushes the push plate 13 out, the second spring pushes the top of the locating plate 15 into the locating grooves 17, and the locating plate 15 continuously repeats the process along with the continuous rotation of the vertical shaft 2 and is continuously inserted into the corresponding locating grooves 17.

The top of the vertical shaft 2 and the position above the shell 1 are provided with a pull rod 3, one end of the pull rod 3 far away from the vertical shaft 2 is provided with a holding ball 18, and the pull rod 3 and the vertical shaft 2 are mutually perpendicular.

Specifically, through the anticlockwise rotation vertical shaft 2 of pull rod 3, locating plate 15 shifts out from the inside of a set of constant head tank 17 this moment, then baffle 16 lateral wall extrusion locating plate 15, extrude locating plate 15 to inside recess two 14, push pedal 13 extrudees inside recess one 12, when locating plate 15 moves to next set of constant head tank 17 notch position, spring one promotes push pedal 13, spring two promotes locating plate 15 top to inside the constant head tank 17, along with the continuous rotation of vertical shaft 2, locating plate 15 continuously repeats above-mentioned process, constantly insert and establish to corresponding inside the constant head tank 17, locating plate 15 cooperation constant head tank 17 can be to vertical shaft 2 this moment, avoid opening the butterfly plate 6 through pull rod 3 and vertical shaft 2 after, vertical shaft 2 reversal leads to this butterfly valve to closing, the effectual stability that improves this butterfly valve when using.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. The utility model provides a pull rod type butterfly valve, includes shell (1) and butterfly plate (6), its characterized in that: a vertical shaft (2) is arranged between the inner side walls of the shell (1) in a penetrating mode, a disassembly and assembly mechanism (4) is arranged inside the shell (1) through the vertical shaft (2), and a limiting mechanism (11) is arranged at the top of the vertical shaft (2) and located above the shell (1).

2. A pull rod butterfly valve according to claim 1, wherein: the dismounting mechanism (4) comprises an arc-shaped plate (5), a clamping groove (7) is formed in the upper end of the arc-shaped plate (5), clamping plates (8) are arranged on the outer side wall of the vertical shaft (2) and located between the two groups of arc-shaped plates (5), fixing plates (9) are arranged between the arc-shaped plates (5) and close to the two ends in a penetrating mode, and screws (10) are arranged on the side walls of the fixing plates (9) in a penetrating mode at the positions of the two ends.

3. A pull rod butterfly valve according to claim 2, wherein: two sets of arc (5) pass through cardboard (8) cooperation draw-in groove (7) setting on vertical axis (2) lateral wall, butterfly (6) one end and arc (5) lateral wall rigid coupling, two sets of butterfly (6) are fixed to be set up on vertical axis (2) lateral wall through arc (5), screw (10) one end runs through fixed plate (9) and sets up inside arc (5).

4. A pull rod butterfly valve according to claim 1, wherein: the limiting mechanism (11) comprises a baffle (16), a first groove (12) is formed in the top of the vertical shaft (2), a push plate (13) is inserted into the first groove (12), a second groove (14) is formed in one end of the push plate (13), a positioning plate (15) is inserted into the second groove (14), and a plurality of groups of positioning grooves (17) matched with the positioning plate (15) are formed in the outer side wall of the baffle (16) in an equidistant penetrating mode.

5. A pull rod butterfly valve according to claim 4, wherein: a first spring is arranged between one end of the push plate (13) and the inner side wall of the first groove (12), a second spring is arranged between the locating plate (15) and the inner side wall of the second groove (14), a chute is formed in the top of the locating plate (15), and the top of the locating plate (15) is arranged inside the locating groove (17) in a penetrating mode through the chute.

6. A pull rod butterfly valve according to claim 1, wherein: the utility model discloses a vertical axis (2) top just is located shell (1) top position and is provided with pull rod (3), pull rod (3) are kept away from vertical axis (2) one end and are provided with and hold ball (18), pull rod (3) and vertical axis (2) mutually perpendicular set up.