CN209867974U - A plug valve body fixing device - Google Patents

Abstract

The utility model discloses a plug valve body fixing device, including mount pad and two sets of locating component, the mount pad level sets up to detachable installs on the lathe, and the valve body sets up along controlling the direction the mount pad upper end, and its one end of being connected with the case is vertical sets up down, and with the upper end of mount pad is contradicted, and is two sets of locating component sets up respectively both ends about the mount pad upper end to respectively with two links of valve body with the mount pad is fixed. The utility model discloses a plug valve body fixing device simple structure has solved plug valve body processing and fixed problem, improves machining precision and production efficiency in the plug valve body course of working.

Description

A plug valve body fixing device

technical field

The utility model relates to the field of valve body processing auxiliary equipment. More specifically, the utility model relates to a valve body fixing device of a plug valve.

Background technique

The plug valve is a closed or plunger-shaped rotary valve, which can be opened or closed by rotating 90 degrees to connect or separate the channel opening on the valve plug and the channel opening on the valve body. It is a valve that uses a plug body with a through hole as an opening and closing part, and the plug body rotates with the valve stem to realize the opening and closing action. The plug valve is the earliest type of valve, which has the advantages of simple structure, rapid switching and small fluid resistance.

The inner cavity of the existing plug valve is mostly a cylinder. The upper end of the plug valve body is generally connected with the valve core, and the left and right ends are respectively provided with a connecting end, and the connecting end is respectively connected with the pipeline; Directly affects the installation of plugs and seals. When the current plug valve processing machine is processing the internal cavity of the plug valve, the position of the plug valve will move at will, which will affect the processing quality of the internal cavity of the plug valve.

Utility model content

The purpose of this utility model is to provide a plug valve valve body fixing device, which solves the above-mentioned technical problems.

The technical solution of the utility model to solve the above technical problems is as follows: a plug valve valve body fixing device, including a mounting seat and two sets of positioning components, the mounting seat is arranged horizontally, and can be detachably installed on a lathe, and the valve body is along the left and right sides. The direction is set at the upper end of the mounting seat, and the end connected with the valve core is vertically downward and is in contact with the upper end of the mounting seat. The left and right sides of the valve body respectively have connecting ends, and the two sets of positioning The components are respectively arranged at the left and right ends of the upper end of the mounting seat, and are used for clamping the two connecting ends respectively.

Preferably, in the plug valve body fixing device, the positioning assembly includes a fastener and two first positioning rods, and the two first positioning rods are vertically arranged on the mounting seat The upper ends of the fasteners are respectively located on the front and rear sides of the corresponding connecting ends, the fasteners are arranged above the corresponding connecting ends, and the front and rear ends of the fasteners are respectively slidable up and down on the two first positioning rods It can slide down to the upper end of the corresponding connection end, or move up and down away from the corresponding connection end.

Preferably, in the plug valve valve body fixing device, the first positioning rod is a threaded rod, and the upper end of the mounting seat is provided with a plurality of first positioning rods corresponding to the first positioning rods one-to-one. A positioning hole, a first nut is coaxially provided along the upper hole of the first positioning hole, the first positioning rod is threadedly installed in the corresponding first nut, and its lower end extends downward to the corresponding In the first positioning hole, the upper end of the first positioning rod is threadedly mounted with a matching second nut, and the second nut is tightened so that the lower end of the corresponding fastener collides with the upper end of the corresponding connecting end.

Preferably, in the plug valve body fixing device, the lower end of the fastener is provided with a notch matching the connection end, and the fastener slides down to the upper end corresponding to the connection end When abutting against each other, the upper end of the connecting end is embedded in the corresponding notch.

Preferably, in the plug valve valve body fixing device, the positioning assembly further includes a second positioning rod, and the second positioning rod is vertically arranged on the upper end of the mounting seat and is located at the corresponding connection Below the end, the upper end of the second positioning rod collides with the lower end of the corresponding connecting end.

Preferably, in the plug valve body fixing device, the second positioning rod is a bolt, and the upper end of the mounting seat is provided with a plurality of second positioning rods corresponding to the second positioning rods one-to-one. The inner wall of the positioning hole is provided with an internal thread corresponding to the bolt, the head of the bolt is set upward, and the lower end of the bolt is threaded in the corresponding second positioning hole, and its head is The lower ends of the corresponding connecting ends interfere.

Preferably, in the valve body fixing device for a plug valve, a positioning seat is detachably mounted on the upper end of the mounting seat, and the upper end of the positioning seat is provided with a protrusion corresponding to the lower end of the valve body, so The protrusion is embedded in the opening of the lower end of the valve body.

Preferably, in the plug valve body fixing device, the positioning seat is a horizontally arranged disk, and a groove corresponding to the positioning seat is provided in the middle of the upper end of the mounting seat. The lower end of the seat is embedded in the groove, and the middle part of the upper end is provided with the protrusion.

Preferably, in the plug valve body fixing device, the upper end of the positioning seat is uniformly distributed with a plurality of threaded through holes extending through it up and down along the circumferential direction, and the bottom wall of the groove is spaced with the The threaded through holes correspond to a plurality of threaded blind holes one-to-one, the threaded through holes are communicated with the corresponding threaded blind holes, and the internal threads of the two are installed with matching positioning bolts, and the positioning bolts are tightened to The positioning seat is fixed in the disc.

The plug valve body fixing device of the utility model has a simple structure, solves the processing and fixing problems of the plug valve body, and improves the processing precision and production efficiency during the processing of the plug valve body.

Other advantages, objects, and features of the present invention will be manifested in part by the description below, and in part will be understood by those skilled in the art from the study and practice of the present invention.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the fixing device described in the utility model;

Fig. 2 is the side view of the fixing device described in the utility model;

3 is a cross-sectional view of the fixing device according to the present invention.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer to the text of the description to implement it accordingly.

It should be noted that in the description of the present invention, the terms "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right" and "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description , does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the present invention.

1-3 are a plug valve valve body fixing device provided by an embodiment of the present utility model, including a mounting seat 1 and two sets of positioning components, the mounting seat 1 is arranged horizontally, and can be detachably installed on a lathe. The valve body is arranged on the upper end of the mounting seat 1 along the left and right direction, and the end connected with the valve core is vertically downwardly arranged and is in contact with the upper end of the mounting seat 1. The left and right sides of the valve body respectively have connecting ends 2 , the two sets of positioning assemblies are respectively disposed at the left and right ends of the upper end of the mounting seat 1 for clamping the two connecting ends 2 respectively.

In the above technical solution, the mounting seat 1 is arranged horizontally on the lathe, and the mounting seat 1 and the lathe can be connected by bolts. As shown in FIG. A matching nut is coaxially installed in the through hole, so that the through hole corresponding to the through hole on the mounting seat 1 can be opened on the lathe, and a nut can be arranged between the corresponding two through holes to connect the mounting seat 1 to the lathe. Then, two sets of positioning assemblies are arranged at intervals on the upper end of the mounting seat 1, and the two sets of positioning assemblies respectively clamp the two connecting ends 2 of the valve body, so that the end connecting the valve body and the valve core collides with the upper end of the mounting seat 1, thereby Fix the plug valve body on the mounting seat 1, and then fix it on a lathe for subsequent processing.

In the plug valve body fixing device, the positioning assembly includes a fastener 3 and two first positioning rods 4, and the two first positioning rods 4 are vertically arranged on the mounting seat 1. The upper ends of the fasteners are respectively located on the front and rear sides of the corresponding connecting ends 2, the fasteners 3 are arranged above the corresponding connecting ends 2, and the front and rear ends of the fasteners 3 are respectively slidable up and down. on the first positioning rod 4, and can slide down to the upper end of the corresponding connecting end 2, or move up and down away from the corresponding connecting end 2; the first positioning rod 4 is a threaded rod, so The upper end of the mounting seat 1 is provided with a plurality of first positioning holes corresponding to the first positioning rods 4 one-to-one, and a first nut 5 is coaxially provided along the upper hole of the first positioning hole. A positioning rod 4 is threadedly installed in the corresponding first nut 5, and its lower end extends downward into the corresponding first positioning hole, and the upper end of the first positioning rod 4 is threadedly mounted with a matching second Nut 6, tighten the second nut 6 so that the lower end of the corresponding fastener 3 is in contact with the upper end of the corresponding connecting end 2, and the lower end of the fastener 3 is provided with a gap matching the connecting end 2 , when the fastener 3 slides down to abut against the upper end of the corresponding connection end 2, the upper end of the connection end is embedded in the corresponding gap.

In another technical solution, the first positioning rod 4 is a threaded rod, the lower end of which is fixed by the first nut 5, the valve body is placed on the mounting seat 1, and the position of the fastener 3 is adjusted so that the gap at the lower end is Then the second nut 6 is tightened so that the lower end of the fastener 3 collides with the upper end of the corresponding connecting end 2 , thereby fixing the valve body on the mounting seat 1 .

In the plug valve body fixing device, the positioning assembly further includes a second positioning rod 7, and the second positioning rod 7 is vertically arranged on the upper end of the mounting seat 1 and is located at the corresponding connecting end. 2 , the upper end of the second positioning rod 7 is in contact with the lower end of the corresponding connecting end 2 .

In another technical solution, in order to prevent relative shaking between the valve body and the mounting seat 1, as shown in FIG. 1, a second positioning rod 7 is provided between the lower end of the connecting end 2 and the mounting seat 1, and the second positioning The upper end of the rod 7 is in contact with the lower end of the corresponding connecting end 2 , so that the corresponding connecting end 2 can be fixed by the fastener 3 and the second positioning rod 7 to avoid relative shaking between the valve body and the mounting seat 1 .

In the plug valve body fixing device, the second positioning rod 7 is a bolt, and the upper end of the mounting seat 1 is provided with a plurality of second positioning holes corresponding to the second positioning rod 7 one-to-one. , the inner wall of the positioning hole is provided with an internal thread corresponding to the bolt, the head of the bolt is set upward, and the lower end thread of the bolt is installed in the corresponding second positioning hole, and its head corresponds to the corresponding second positioning hole. The lower end of the connecting end 2 interferes.

In the valve body fixing device for a plug valve, a positioning seat 8 is detachably mounted on the upper end of the mounting seat 1, and the upper end of the positioning seat 8 is provided with a protrusion 9 corresponding to the lower end of the valve body, so The protrusion 9 is embedded in the opening of the lower end of the valve body, the positioning seat 8 is a horizontally arranged disk, and the middle part of the upper end of the mounting seat 1 is provided with a groove corresponding to the positioning seat 8. The lower end of the seat 8 is embedded in the groove, and the protrusion 9 is formed in the middle of the upper end. A plurality of threaded blind holes corresponding to the threaded through holes are arranged at intervals on the bottom wall, the threaded through holes are communicated with the corresponding threaded blind holes, and the internal threads of the two are installed with matching positioning bolts 10. Tighten the positioning bolts 10 to fix the positioning seat 8 in the disc.

In another technical solution, in order to further strengthen the connection stability between the valve body and the mounting seat 1, a positioning seat 8 is detachably installed on the upper end of the mounting seat 1, and the upper end of the positioning seat 8 is opened with the lower end of the valve body. The corresponding notch can prevent the lower end of the valve body from shaking, in order to further strengthen the connection stability between the valve body and the mounting seat 1 .

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the description and the embodiments, and can be applied to various fields suitable for the present invention. For those skilled in the art, Additional modifications may readily be implemented, therefore the invention is not limited to the specific details and embodiments shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (9)

1. A plug valve valve body fixing device, characterized in that it includes a mounting seat (1) and two sets of positioning assemblies, the mounting seat (1) is horizontally arranged, and can be detachably installed on a lathe, and the valve body is along the left and right sides. The direction is set on the upper end of the mounting seat (1), and the end connected with the valve core is vertically downward and in contact with the upper end of the mounting seat (1), and the left and right sides of the valve body respectively have connecting ends (2) The two sets of positioning assemblies are respectively disposed at the left and right ends of the upper end of the mounting seat (1), for clamping the two connecting ends (2) respectively. 2. A plug valve valve body fixing device according to claim 1, characterized in that the positioning assembly comprises a fastener (3) and two first positioning rods (4), and the two first positioning rods (4). The positioning rods (4) are vertically arranged on the upper end of the mounting seat (1), and are respectively located on the front and rear sides of the corresponding connecting ends (2), and the fasteners (3) are arranged on the corresponding connecting ends (2). Above the connection end (2), its front and rear ends are respectively slidable up and down on the two first positioning rods (4), and can slide down to the corresponding connection end (2). The upper ends abut against each other, or move up and down away from the corresponding connecting ends (2). 3. A plug valve valve body fixing device according to claim 2, characterized in that, the first positioning rod (4) is a threaded rod, and the upper end of the mounting seat (1) is provided with the first positioning rod (4). A plurality of first positioning holes corresponding to one positioning rod (4), the first nut (5) is coaxially provided along the upper hole of the first positioning hole, and the first positioning rod (4) is threadedly installed In the corresponding first nut (5), and its lower end extends downward into the corresponding first positioning hole, the upper end of the first positioning rod (4) is threadedly mounted with a matching second nut ( 6) Tighten the second nut (6) so that the lower end of the corresponding fastener (3) is in contact with the upper end of the corresponding connecting end (2). 4. A plug valve valve body fixing device according to claim 2, characterized in that the lower end of the fastener (3) is provided with a notch matching the connecting end (2), and the fastener ( 3) When sliding down to the upper end of the corresponding connecting end (2), the upper end of the connecting end is embedded in the corresponding notch. 5. A plug valve valve body fixing device according to claim 1, characterized in that the positioning assembly further comprises a second positioning rod (7), and the second positioning rod (7) is vertically arranged at the The upper end of the mounting seat (1) is located below the corresponding connection end (2), and the upper end of the second positioning rod (7) is in contact with the lower end of the corresponding connection end (2). 6. A plug valve valve body fixing device according to claim 5, characterized in that the second positioning rod (7) is a bolt, and the upper end of the mounting seat (1) is provided with the second positioning rod (7). The positioning rods (7) have a one-to-one correspondence with a plurality of second positioning holes, the inner walls of the positioning holes are provided with internal threads corresponding to the bolts, the heads of the bolts are set upward, and the lower ends of the bolts are threaded It is installed in the corresponding second positioning hole, and its head is in contact with the lower end of the corresponding connecting end (2). 7. A plug valve valve body fixing device according to any one of claims 1-6, characterized in that a positioning seat (8) is detachably mounted on the upper end of the mounting seat (1), and the positioning seat (8) is detachably mounted on the upper end of the mounting seat (1). The upper end of the seat (8) is provided with a protrusion (9) corresponding to the lower end of the valve body, and the protrusion (9) is embedded in the opening of the lower end of the valve body. 8. A plug valve valve body fixing device according to claim 7, wherein the positioning seat (8) is a horizontally arranged disk, and the middle part of the upper end of the mounting seat (1) is provided with the The corresponding groove of the positioning seat (8) is provided, the lower end of the positioning seat (8) is embedded in the groove, and the protrusion (9) is formed in the middle of the upper end. 9 . The valve body fixing device of a plug valve according to claim 8 , wherein the upper end of the positioning seat ( 8 ) is uniformly distributed with a plurality of threaded through holes extending through it up and down along the circumferential direction. 10 . A plurality of threaded blind holes corresponding to the threaded through holes are arranged at intervals on the bottom wall, the threaded through holes are communicated with the corresponding threaded blind holes, and the internal threads of the two are installed with matching positioning bolts (10). ), tighten the positioning bolt (10) to fix the positioning seat (8) in the disc.