CN212928855U

CN212928855U - Manual reversing valve capable of reducing abrasion between valve core and valve body

Info

Publication number: CN212928855U
Application number: CN202021449179.6U
Authority: CN
Inventors: 金根荣
Original assignee: Jiangsu Jinhai Hydraulic Co ltd
Current assignee: Jiangsu Jinhai Hydraulic Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-09
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a can reduce hand-operated direction valve of case and valve body wearing and tearing, including hand-operated direction valve body and the valve rod of setting at hand-operated direction valve body inner chamber, the outside of valve rod is passed through the sealing washer and is connected with the bottom of hand-operated direction valve body inner chamber, the tip fixedly connected with spring of valve rod, the tip of spring and the one end fixed connection of hand-operated direction valve body inner chamber. This kind of can reduce case and valve body wearing and tearing manual reversing valve, through the rectangle pole, the limiting plate, the cooperation of mount and bolt is used, when making people need brake valve lever stall, people can pass through the rotation bolt, make the bottom of bolt support the rectangle pole, through the static friction between bolt and the rectangle pole, make the rectangle pole can not remove, and then through the rectangle pole, the connection of movable rod and spout, make the unable rotation of handle, make the steerable handle stall position of people, the precision of case location has been promoted.

Description

Manual reversing valve capable of reducing abrasion between valve core and valve body

Technical Field

The utility model relates to a manual reversing valve specifically is a can reduce manual reversing valve of case and valve body wearing and tearing.

Background

The manual change valve is also called as Criss valve, one kind of valve, have the multi-way adjustable channel, can change the fluid flow direction in good time, this kind of change valve has extensive application in petroleum, chemical industry production, the most commonly used in the synthetic ammonia gas making system, in addition, the change valve can also make the valve lamella type structure, is used in the occasion of less discharge mostly, only need to rotate the hand wheel and pass through the valve clack and change the flow direction of working fluid during operation.

At present, most of valve cores on manual reversing valves are reset through the elastic force of springs, so that when people stop pushing a valve rod, the valve cores are automatically reset and cannot be fixed at specific positions, and the positioning accuracy of the valve cores is low. Therefore, the manual reversing valve is improved, and the abrasion of the valve core and the valve body can be reduced.

Disclosure of Invention

The utility model relates to a hand-operated reversing valve which can reduce the abrasion between a valve core and a valve body, comprising a hand-operated reversing valve body and a valve rod arranged in the inner cavity of the hand-operated reversing valve body, the outer part of the valve rod is connected with the bottom end of the inner cavity of the manual reversing valve body through a sealing ring, the end part of the valve rod is fixedly connected with a spring, the end part of the spring is fixedly connected with one end of an inner cavity of the manual reversing valve body, two oil inlets and two oil outlets are arranged outside the manual reversing valve body, one end of the inner cavity of the manual reversing valve body is provided with a rectangular groove, a handle and a rotating shaft are arranged inside the rectangular groove, the bottom of the handle is provided with a connecting groove and a round bar, the top of the handle is provided with a sliding groove and a movable bar, one side of handle is provided with stop gear, stop gear comprises rectangular rod, limiting plate, mount and bolt, the top of handle is provided with threaded rod and connecting rod.

As a preferred technical scheme of the utility model, the middle part of handle alternates with the middle part of pivot and is connected, the both ends of pivot respectively with the positive and the top fixed connection at the back of rectangular channel inner chamber, the outside of rectangular channel is run through and is extended to at the top of handle.

As a preferred technical scheme of the utility model, the outside fixed mounting of valve rod has two spools, two the outside of spool all with the inner chamber sliding connection of hand-operated directional valve body, two four ring channels have all been seted up to the outside of spool.

As a preferred technical scheme of the utility model, the bottom at the handle is seted up to the spread groove, the inside of spread groove and the outside sliding connection of round bar, the middle part of round bar and the one end fixed connection of valve rod.

As a preferred technical scheme of the utility model, the top at the handle is seted up to the spout, the inside of spout and the outside sliding connection of movable rod, the both ends of movable rod respectively with the front and the back fixed connection of rectangle rod end portion.

As a preferred technical scheme of the utility model, the tip of rectangle pole is alternated with the outside of handle and is connected, the outside of rectangle pole alternates with the inside of mount and is connected, mount fixed mounting is in one side on manual switching-over valve body top, the middle part on mount top and the outside threaded connection of bolt, the bottom of bolt and the top laminating of rectangle pole.

As a preferred technical scheme of the utility model, the bottom of threaded rod and the top fixed connection of handle, the outside of threaded rod and the inside threaded connection of connecting rod.

The utility model has the advantages that: this kind can reduce manual reversing valve of case and valve body wearing and tearing, through the rectangle pole, the limiting plate, the cooperation of mount and bolt is used, when making people need the brake valve lever stall, people can pass through the rotation bolt, make the bottom of bolt support the rectangle pole, through the static friction between bolt and the rectangle pole, make the rectangle pole can not remove, and then through the rectangle pole, the connection of movable rod and spout, make the unable rotation of handle, make the position of the steerable handle stall of people, the precision of case location has been promoted, and through threaded rod and connecting rod, make people can pass through the swivelling joint pole, adjust the position of connecting rod, when making case wearing and tearing serious, people can be through the whole length who increases connecting rod and handle, make people pull handle and pulling valve rod and case more easily, the practicality has been promoted.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a manual directional control valve of the present invention, which can reduce the abrasion between the valve core and the valve body;

FIG. 2 is a schematic view of a handle connection structure of a manual directional control valve capable of reducing abrasion between a valve core and a valve body according to the present invention;

fig. 3 is a schematic view of a connecting rod structure of a manual directional valve capable of reducing abrasion between a valve core and a valve body.

In the figure: 1. a manual directional valve body; 2. a rectangular groove; 3. a valve stem; 4. a spring; 5. a handle; 6. a rotating shaft; 7. connecting grooves; 8. a round bar; 9. a chute; 10. a movable rod; 11. a rectangular bar; 12. a limiting plate; 13. a fixed mount; 14. a bolt; 15. a threaded rod; 16. a connecting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in the figures 1, 2 and 3, the utility model relates to a can reduce hand-operated reversing valve of case and valve body wearing and tearing, including hand-operated reversing valve body 1 and the valve rod 3 of setting at the inner chamber of hand-operated reversing valve body 1, the outside of valve rod 3 passes through the sealing washer and is connected with the bottom of the inner chamber of hand-operated reversing valve body 1, the tip fixedly connected with spring 4 of valve rod 3, the tip of spring 4 and the one end fixed connection of the inner chamber of hand-operated reversing valve body 1, the outside of hand-operated reversing valve body 1 is provided with two oil inlets and two oil-outs, rectangular channel 2 has been seted up to the one end of the inner chamber of hand-operated reversing valve body 1, the inside of rectangular channel 2 is provided with handle 5 and pivot 6, the bottom of handle 5 is provided with spread groove 7 and round bar 8, the top of handle 5 is provided with spout 9 and movable rod 10, one side, The limiting plate 12, the fixing frame 13 and the bolt 14, and the top end of the handle 5 is provided with a threaded rod 15 and a connecting rod 16.

Wherein, the middle part of handle 5 alternates with the middle part of pivot 6 and is connected, the both ends of pivot 6 respectively with the 2 inner chambers of rectangular channel openly with the top fixed connection at the back, the top of handle 5 runs through and extends to the outside of rectangular channel 2, through the pivot, makes handle 5 can rotate in the inside of rectangular channel 2.

Wherein, the outside fixed mounting of valve rod 3 has two spools, and the outside of two spools all with the inner chamber sliding connection of hand-operated reversing valve body 1, four ring channels have all been seted up to the outside of two spools, through the ring channel, can reduce the area of contact between spool and the hand-operated reversing valve body 1, and then reduce the wearing and tearing between spool and the valve body.

Wherein, spread groove 7 sets up in the bottom of handle 5, the inside of spread groove 7 and the outside sliding connection of round bar 8, the middle part of round bar 8 and the one end fixed connection of valve rod 3, through the connection of round bar 8 and spread groove 7, when making handle 5 rotate, the bottom of handle 5 can drive valve rod 3 and remove.

Wherein, the top at handle 5 is seted up to spout 9, the inside of spout 9 and the outside sliding connection of movable rod 10, the both ends of movable rod 10 respectively with the front and the back fixed connection of rectangular rod 11 tip, through the transmission of spout 9 and movable rod 10, when making people pull handle 5, can drive rectangular rod 11 and remove.

Wherein, the end part of the rectangular rod 11 is inserted and connected with the outside of the handle 5, the outside of the rectangular rod 11 is inserted and connected with the inside of the fixed mount 13, the fixed mount 13 is fixedly arranged at one side of the top end of the manual reversing valve body 1, the middle part of the top end of the fixed mount 13 is connected with the external thread of the bolt 14, the bottom of the bolt 14 is jointed with the top part of the rectangular rod 11, by the matching use of the rectangular rod 11, the limit plate 12, the fixing frame 13 and the bolt 14, when people need to control the handle 5 to stop rotating, one can rotate the bolt 14, so that the bottom of the bolt 14 abuts against the rectangular bar 11, by the static friction force between the bolt 14 and the rectangular bar 11, the rectangular bar 11 is not moved, and then through the connection of rectangle pole 11, movable rod 10 and spout 9, make handle 5 unable rotation, make people's steerable handle stop pivoted position, promoted the precision of case location.

Wherein, the bottom of threaded rod 15 and the top fixed connection of handle 5, the outside of threaded rod 15 and the inside threaded connection of connecting rod 16, through threaded rod 15 and connecting rod 16, make people can be through swivelling joint pole 16, adjust the position of connecting rod 16, when making case wearing and tearing serious, people can be through the whole length that increases connecting rod 16 and handle 5, make people pull handle 5 and pulling valve rod 3 and case more easily, promoted the practicality.

When the valve rod is in operation, when people need to change the position of the valve rod 3, firstly, the bolt 14 is rotated to separate the bottom end of the bolt 14 from the rectangular rod 11, the connecting rod 16 is pulled, the connecting rod 16 drives the threaded rod 15 and the handle 5 to rotate, the bottom end of the handle 5 drives the valve rod 3 to move through the connecting groove 7 and the round rod 8, when people do not need to adjust the position of the valve rod 3, the bolt 14 is reversely rotated to enable the bolt 14 to descend and abut against the rectangular rod 11, when the rectangular rod 11 cannot move, the handle 5 cannot rotate through the connection of the movable rod 10 and the sliding groove 9, through the matching use of the rectangular rod 11, the limiting plate 12, the fixing frame 13 and the bolt 14, when people need to control the handle 5 to stop rotating, people can enable the bottom of the bolt 14 to abut against the rectangular rod 11 through the rotation of the bolt 14, and enable the rectangular rod 11 to be incapable of, and then through rectangle pole 11, movable rod 10 and spout 9's connection, make handle 5 unable rotation, make the steerable handle stop rotating's of people position, the precision of case location has been promoted, and through threaded rod 15 and connecting rod 16, make people can pass through swivelling joint pole 16, adjust the position of connecting rod 16, when making case wearing and tearing serious, people can be through the whole length who increases connecting rod 16 and handle 5, make people pull handle 5 and pulling valve rod 3 and case more easily, the practicality has been promoted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The manual reversing valve capable of reducing abrasion of the valve core and the valve body is characterized by comprising a manual reversing valve body (1) and a valve rod (3) arranged in an inner cavity of the manual reversing valve body (1), wherein the outside of the valve rod (3) is connected with the bottom end of the inner cavity of the manual reversing valve body (1) through a sealing ring, the end part of the valve rod (3) is fixedly connected with a spring (4), the end part of the spring (4) is fixedly connected with one end of the inner cavity of the manual reversing valve body (1), the outside of the manual reversing valve body (1) is provided with two oil inlets and two oil outlets, one end of the inner cavity of the manual reversing valve body (1) is provided with a rectangular groove (2), the inside of the rectangular groove (2) is provided with a handle (5) and a rotating shaft (6), the bottom of the handle (5) is provided with a connecting groove (7) and a round rod, the top of handle (5) is provided with spout (9) and movable rod (10), one side of handle (5) is provided with stop gear, stop gear comprises rectangle pole (11), limiting plate (12), mount (13) and bolt (14), the top of handle (5) is provided with threaded rod (15) and connecting rod (16).

2. The manual reversing valve capable of reducing abrasion of the valve element and the valve body according to claim 1, wherein the middle of the handle (5) is connected with the middle of the rotating shaft (6) in an inserting manner, two ends of the rotating shaft (6) are fixedly connected with the top of the front surface and the back surface of the inner cavity of the rectangular groove (2) respectively, and the top of the handle (5) penetrates through and extends to the outside of the rectangular groove (2).

3. The hand-operated direction valve capable of reducing abrasion between the valve core and the valve body according to claim 1, characterized in that two valve cores are fixedly installed on the outside of the valve rod (3), the outside of the two valve cores are slidably connected with the inner cavity of the hand-operated direction valve body (1), and four annular grooves are formed on the outside of the two valve cores.

4. The manual reversing valve capable of reducing the abrasion between the valve core and the valve body is characterized in that the connecting groove (7) is formed at the bottom of the handle (5), the inner part of the connecting groove (7) is in sliding connection with the outer part of the round rod (8), and the middle part of the round rod (8) is fixedly connected with one end of the valve rod (3).

5. The manual reversing valve capable of reducing abrasion between the valve core and the valve body is characterized in that the sliding groove (9) is formed in the top of the handle (5), the inner portion of the sliding groove (9) is in sliding connection with the outer portion of the movable rod (10), and two ends of the movable rod (10) are fixedly connected with the front face and the back face of the end portion of the rectangular rod (11) respectively.

6. The manual reversing valve capable of reducing abrasion between the valve core and the valve body is characterized in that the end part of the rectangular rod (11) is connected with the outside of the handle (5) in an inserting manner, the outside of the rectangular rod (11) is connected with the inside of the fixing frame (13) in an inserting manner, the fixing frame (13) is fixedly installed on one side of the top end of the manual reversing valve body (1), the middle part of the top end of the fixing frame (13) is connected with the outside of the bolt (14) in a threaded manner, and the bottom of the bolt (14) is attached to the top of the rectangular rod (11).

7. The hand-operated direction valve capable of reducing the abrasion between the valve core and the valve body is characterized in that the bottom end of the threaded rod (15) is fixedly connected with the top end of the handle (5), and the outer part of the threaded rod (15) is connected with the inner thread of the connecting rod (16).