CN219198332U

CN219198332U - Combined tetrafluoro valve seat with pretension adjustable function

Info

Publication number: CN219198332U
Application number: CN202320038076.8U
Authority: CN
Inventors: 朱丽颖
Original assignee: Tianjin Deli Valve Co ltd
Current assignee: Tianjin Deli Valve Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-06-16
Anticipated expiration: 2033-01-04

Abstract

The utility model belongs to the technical field of valve seat equipment, and particularly relates to a combined type tetrafluorovalve seat with a pretension adjustable function, which comprises a valve body, a base, a cushion pad, a valve seat groove, a valve seat sheet, a limiting part, a push rod, a threaded block, a rotary handle, a directional block, a push rod jack and a threaded hole, wherein the valve seat groove is formed in the inner side of the cushion pad, the valve seat sheet is arranged in the valve seat groove, the limiting part is arranged on the outer side of the valve body, the push rod is arranged on the limiting part, the threaded block is arranged on the top end of the push rod, the rotary handle is arranged at the tail end of the push rod, the directional block is arranged at the near tail end of the push rod, the push rod jack is formed in the outer wall of the valve body, and the threaded hole is formed in the back of the base. According to the utility model, the push rod is connected through the rotary handle, so that the thread block threads at the top end of the push rod are meshed with the thread block threads in the threaded hole of the base meshed with the push rod, the transversely fixed thread block rotates to push the base to translate along the horizontal direction, the valve seat piece sleeved on the base is more tightly attached to the valve plate, the effect of pre-tightening in advance is achieved, and the effects of working linkage and strong sealing performance are achieved through the mutual matching of the parts of various different materials in a sleeved mode.

Description

Combined tetrafluoro valve seat with pretension adjustable function

Technical Field

The utility model relates to the technical field of valve seat equipment, in particular to a combined type tetrafluoro valve seat with a pretension adjustable function.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. The fittings include valve body, valve rod, valve core and valve seat. The valve seat is a detachable surface part in the valve and is used for supporting the totally closed position of the valve core and forming a sealing pair, and the size of the sealing pair is matched with the valve plate, so that the diameter of the general valve seat is the maximum circulation diameter of the valve. Polytetrafluoroethylene, which is a high molecular polymer prepared by polymerizing tetrafluoroethylene as a monomer, has excellent high temperature resistance and low temperature resistance, and is widely used in manufacturing industry and industry.

The prior art has the following problems:

1. the existing valve seat is directly nested in the valve body, cannot move and does not have the function of pre-tightening;

2. the existing valve seat is single in material, and when in operation, the components are not matched and linked, so that the sealing performance is insufficient.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the combined type tetrafluoro valve seat with the pretension adjustable function, and solves the problems of no pretension and poor linkage existing in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula tetrafluorovalve seat with pretension adjustable function, includes the valve body, the valve body inboard is provided with the base groove, be provided with the base in the base groove, the base inboard is provided with the dashpot, be provided with the blotter in the dashpot, the blotter inboard is provided with the valve seat groove, be provided with the disk seat piece in the valve seat groove, the valve body outside is provided with the restriction portion, be provided with the push rod on the restriction portion, the push rod top is provided with the screw thread piece, the push rod tail end is provided with rotatory handle, the push rod near-tail end is provided with directional piece, the push rod jack has been seted up to the valve body outer wall, the base back is provided with the screw hole.

As a preferable technical scheme of the utility model, the inner wall of the valve body is provided with a base groove, the base is matched with the base groove, the base is nested in the base groove, and the base moves transversely in the base groove.

As a preferable technical scheme of the utility model, the side wall of the base is provided with the buffer groove, the buffer pad is matched with the buffer groove, and the buffer pad is sleeved in the buffer groove.

As a preferable technical scheme of the utility model, the buffer pad is provided with a valve seat groove, the valve seat piece is matched with the valve seat groove, and the valve seat piece is sleeved in the valve seat groove.

As a preferable technical scheme of the utility model, the push rod jack is provided with four parts, the push rod jack is arranged on the outer wall of the valve body in an annular arrangement manner, the push rods are provided with four parts and respectively inserted into the push rod jack, and the push rods penetrate through the outer wall and the inner wall of the valve body.

As a preferable technical scheme of the utility model, the limiting part is vertically and movably connected to the outer wall of the valve body, the rotary handle is welded to the tail end of the push rod, the orientation block is welded to the near tail part of the push rod, and the orientation block is matched with the inside of the limiting part.

As a preferable technical scheme of the utility model, the thread block is engraved on the top end of the push rod, and the thread of the thread block is matched with the internal thread of the threaded hole and is movably connected.

Compared with the prior art, the utility model provides the combined type tetrafluoro valve seat with the pretension adjustable function, which has the following beneficial effects:

1. this combination formula tetrafluoro disk seat with pretension adjustable function connects the push rod through being provided with rotatory handle, makes the screw thread piece screw thread on push rod top and the screw hole internal thread meshing motion of the base with meshing with it, lets the rotatory base translation of pushing of horizontal fixed screw thread piece, makes the disk seat piece that cup joints on the base more paste tight valve plate, has reached the effect of pretension in advance.

2. This combination formula tetrafluoro disk seat with pretension adjustable function cup joints the blotter through being provided with the base, cup joints the disk seat piece through the blotter, and the part of multiple different materials mutually support has reached work linkage, effect that the closure is strong.

Drawings

FIG. 1 is a schematic diagram of a side planing machine according to the present utility model;

FIG. 2 is a schematic diagram of the combined structure of the present utility model;

FIG. 3 is a schematic view of the rear perspective structure of the present utility model;

fig. 4 is a schematic diagram of the front and rear view structures of the present utility model.

In the figure: 1. a valve body; 2. a base groove; 3. a base; 4. a buffer tank; 5. a cushion pad; 6. a valve seat groove; 7. a valve seat sheet; 8. a restriction portion; 9. a push rod; 10. rotating the grip; 11. an orientation block; 12. a screw block; 13. a threaded hole; 14. push rod jack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: the utility model provides a combination formula tetrafluoro disk seat, includes the combination formula tetrafluoro disk seat that has pretension adjustable function, its characterized in that: including valve body 1, valve body 1 inboard is provided with base groove 2, be used for installing base 3, be provided with base 3 in the base groove 2, be used for constituteing the disk seat, base 3 inboard is provided with buffer tank 4, be used for installing buffer pad 5, be provided with buffer pad 5 in the buffer tank 4, be used for constituteing the disk seat and alleviate the collision, buffer pad 5 inboard is provided with disk seat groove 6, be used for installing disk seat piece 7, be provided with disk seat piece 7 in the disk seat groove 6, be used for constituteing disk seat and cooperation valve plate operation, the valve body 1 outside is provided with restriction portion 8, be used for restricting directional block 11 lateral shifting, be provided with push rod 9 on the restriction portion 8, be used for transmitting the thrust, push rod 9 top is provided with screw thread piece 12, be used for transmitting the thrust, push rod 9 tail end is provided with rotatory handle 10, be used for controlling push rod 9 and produce the thrust, push rod 9 near the tail end is provided with directional block 11, be used for restricting the holistic lateral shifting of valve rod 9, the push rod jack 14 has been seted up to the valve body 1 outer wall, be used for interluding push rod 9, the back of base 3 is provided with screw hole 13, be used for promoting base 3.

In the embodiment, the inner wall of the valve body 1 is provided with a base groove 2, a base 3 is matched with the base groove 2, the base 3 is nested in the base groove 2, the base 3 transversely moves in the base groove 2, and the transverse movement of the base 3 drives the whole valve seat to transversely move; the side wall of the base 3 is provided with a buffer groove 4, the buffer cushion 5 is matched with the buffer groove 4, the buffer cushion 5 is sleeved in the buffer groove 4, and the abrasion of a contact part can be effectively reduced through the arrangement of the buffer cushion 5; the cushion pad 5 is provided with a valve seat groove 6, a valve seat sheet 7 is matched with the valve seat groove 6, the valve seat sheet 7 is sleeved in the valve seat groove 6, and the valve seat sheet 7 sleeved on the cushion pad 5 can be closely attached to the edge of the valve plate when contacting the valve plate; the push rod jack 14 is provided with four parts, and is arranged on the outer wall of the valve body 1 in an annular arrangement manner, the push rods 9 are provided with four parts and respectively inserted into the push rod jack 14, the push rods 9 penetrate through the outer wall and the inner wall of the valve body 1, and the push rods 9 can be placed in the push rod jack 14 penetrating through the valve body to transmit the action of force from the outside to the valve seat in the valve body 1; the limiting part 8 is vertically and movably connected to the outer wall of the valve body 1, the rotary handle 10 is welded to the tail end of the push rod 9, the orientation block 11 is welded to the near tail part of the push rod 9, the orientation block 11 is matched with the inside of the limiting part 8, the orientation block 11 and the push rod 9 are of an integral structure, and the limiting part 8 limits the orientation block 11 to only rotate longitudinally, so that the 9 cannot fall off from the valve body 1; the thread block 12 is engraved on the top end of the push rod 9, the thread of the thread block 12 is matched with the internal thread of the threaded hole 13, the thread block 12 is movably connected with the threaded hole 13, and the matched thread block 12 and the threaded hole 13 are meshed to move to generate acting force along the axial direction of the push rod 9, so that the base and even the whole valve seat transversely move.

The working principle and the using flow of the utility model are as follows: the operator controls the push rod 9 penetrating through the push rod jack 14 on the wall surface of the valve body 1 by controlling the rotary handle 10, when the limiting part 8 and the directional block 11 are controlled simultaneously, the push rod 9 is rotated to drive the thread block 12 integrated with the push rod 9 to rotate, the threads of the thread block 12 are meshed with the threads of the inner wall of the threaded hole 13 chiseled on the base 3, the cushion pad 5 sleeved on the base 3 and the valve seat piece 7 sleeved on the cushion pad 5 are pushed to transversely move to be attached to the valve plate, and the pre-tightening work is completed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. Combined type tetrafluoro valve seat with pretension adjustable function, its characterized in that: including valve body (1), valve body (1) inboard is provided with base groove (2), be provided with base (3) in base groove (2), base (3) inboard is provided with buffer tank (4), be provided with blotter (5) in buffer tank (4), blotter (5) inboard is provided with disk seat groove (6), be provided with disk seat piece (7) in disk seat groove (6), valve body (1) outside is provided with restriction portion (8), be provided with push rod (9) on restriction portion (8), push rod (9) top is provided with screw thread piece (12), push rod (9) tail end is provided with rotatory handle (10), push rod (9) near the tail end is provided with directional piece (11), push rod jack (14) have been seted up to valve body (1) outer wall, the base (3) back is provided with screw hole (13).

2. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the valve is characterized in that a base groove (2) is formed in the inner wall of the valve body (1), the base (3) is matched with the base groove (2), the base (3) is nested in the base groove (2), and the base (3) moves transversely in the base groove (2).

3. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the side wall of the base (3) is provided with a buffer groove (4), the buffer cushion (5) is matched with the buffer groove (4), and the buffer cushion (5) is sleeved in the buffer groove (4).

4. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the cushion pad (5) is provided with a valve seat groove (6), the valve seat piece (7) is matched with the valve seat groove (6), and the valve seat piece (7) is sleeved in the valve seat groove (6).

5. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the push rod jack (14) is provided with four parts, and is arranged on the outer wall of the valve body (1) in an annular arrangement mode, the push rods (9) are provided with four parts and are respectively inserted into the push rod jack (14), and the push rods (9) penetrate through the outer wall and the inner wall of the valve body (1).

6. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the limiting part (8) is vertically and movably connected to the outer wall of the valve body (1), the rotary handle (10) is welded to the tail end of the push rod (9), the orientation block (11) is welded to the near tail part of the push rod (9), and the orientation block (11) is matched with the inside of the limiting part (8).

7. The combined tetrafluorovalve seat with pretension-adjustable function according to claim 1, characterized in that: the thread block (12) is engraved on the top end of the push rod (9), the threads of the thread block (12) are matched with the internal threads of the threaded hole (13), and movable connection exists.