阅读说明：本技术 流量大的液控安全阀 (Hydraulic control safety valve with large flow ) 是由 冯森蕾 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种流量大的液控安全阀,包括阀体,所述阀体顶端内壁焊接有支杆,所述支杆上端套装有固定块,且固定块的左右两侧皆焊接有丝杆,两组所述丝杆皆穿过阀体外侧,所述丝杆外侧皆螺纹安装有第三螺母,所述固定块底端设置有第一抵压块,且第一抵压块套装在支杆表面,所述支杆底端焊接有弹簧。本发明通过将第二管檐插入第二盖檐内,再转动第二管檐,使第二管檐中部开设的凹槽卡扣第二限位块,将第二管檐内嵌在第二盖檐内,提高装置的便捷性,通过拧动第三螺母,使第三螺母不在夹紧阀体,再按动丝杆,丝杆带动固定块移动,固定块挤压第一抵压块,使第一抵压块下降,第一抵压块挤压弹簧,增加装置的实用性。(The invention discloses a hydraulic control safety valve with large flow, which comprises a valve body, wherein a support rod is welded on the inner wall of the top end of the valve body, a fixed block is sleeved at the upper end of the support rod, screw rods are welded on the left side and the right side of the fixed block, the two groups of screw rods penetrate through the outer side of the valve body, third nuts are arranged on the outer sides of the screw rods in a threaded mode, a first pressing block is arranged at the bottom end of the fixed block and sleeved on the surface of the support rod, and a spring is. According to the invention, the second eave is inserted into the second eave, then the second eave is rotated, the groove arranged in the middle of the second eave is buckled with the second limiting block, the second eave is embedded into the second eave, the convenience of the device is improved, the third nut is not clamped with the valve body by screwing the third nut, then the screw rod is pressed, the screw rod drives the fixing block to move, the fixing block extrudes the first pressing block, the first pressing block is lowered, the first pressing block extrudes the spring, and the practicability of the device is improved.)

1. Big liquid accuse relief valve of flow, including valve body (1), its characterized in that: the valve body (1) top inner wall welding has branch (14), branch (14) upper end cover is equipped with fixed block (15), and the left and right sides of fixed block (15) all welds lead screw (12), and is two sets of lead screw (12) all pass the valve body (1) outside, third nut (13) are installed to the all threads in lead screw (12) outside, fixed block (15) bottom is provided with first briquetting (16), and first briquetting (16) suit is on branch (14) surface, branch (14) bottom welding has spring (17), and spring (17) suit is on branch (14) middle part surface, spring (17) bottom welding has second briquetting (18), second briquetting (18) suit is on branch (14) bottom surface, valve body (1) right side welding has second eaves (11), and second eaves (11) inner wall welding has second stopper (10), the novel pipe eave is characterized in that a second eave (7) is arranged inside the second eave (11), the second eave (7) is connected with the second eave (11) through a second nut (9), a second bolt (8) is installed on the right side of the second nut (9) in a threaded mode, a first eave (2) is welded at the bottom end of the valve body (1), a first limiting block (3) is welded on the inner wall of the first eave (2), a first eave (5) is arranged inside the first eave (2), the first eave (5) is connected with the first eave (2) through a first bolt (6), and a first nut (4) is welded at the bottom end of the first bolt (6).

2. The high flow pilot operated relief valve of claim 1 wherein: first eaves (2) and second eaves (11) are inside all to set up to the dysmorphism recess through first stopper (3) and second stopper (10), first eaves (5) and second eaves (7) are close to first eaves (2) and second eaves (11) one side and all set up to the dysmorphism, the dysmorphism that first eaves (5) and second eaves (7) welding first eaves (2) and second eaves (11) one side set up is equal with the dysmorphism groove shape that second eaves (11) and first eaves (2) set up.

3. The high flow pilot operated relief valve of claim 1 wherein: first stopper (3) and second cover eaves (11) all set up to the arc lug, second eaves (7) and first eaves (5) are close to first eaves (2) and second and cover eaves (11) one side middle part and all offer flutedly, second eaves (7) and first eaves (5) are close to first eaves (2) and second and cover the recess width size of offering in eaves (11) one side middle part and the arc lug width size that first stopper (3) and second cover eaves (11) set up and equal.

4. The high flow pilot operated relief valve of claim 1 wherein: the round hole has all been seted up on second eaves (7), first eaves (2), first eaves (5) and second eaves (11) surface, the round hole inner wall diameter that second eaves (7), first eaves (2), first eaves (5) and second eaves (11) surface all seted up equals with the surface diameter of first eaves (5) and second bolt (8).

5. The high flow pilot operated relief valve of claim 1 wherein: waist-shaped holes are formed in the left side and the right side of the upper end of the valve body (1), the screw rod (12) is cylindrical, and the diameter of the cylindrical surface of the screw rod (12) is equal to the diameter of the inner wall of the waist-shaped hole formed in the left side and the right side of the upper end of the valve body (1).

6. The high flow pilot operated relief valve of claim 1 wherein: the middle part of the fixing block (15) is provided with a through hole, and the diameter of the inner wall of the through hole formed in the middle part of the fixing block (15) is equal to the surface diameter of the supporting rod (14).

Technical Field

The invention relates to the technical field of safety valves, in particular to a hydraulic control safety valve with large flow.

Background

When the pilot operated relief valve is installed, dock output and input and the pipeline of valve body, insert the output of valve body, input and pipeline surface with the bolt again and in the mounting hole of seting up, twist the nut again, make valve body and pipeline couple together, when installation and dismantlement, need one twist and move the nut, make nut and bolt separation, make the dismantlement and the installation of valve body comparatively take trouble, consequently need a big pilot operated relief valve of flow to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a hydraulic control safety valve with large flow, which aims to solve the problem that the connection of a valve body and a pipeline through a bolt is troublesome in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic control safety valve with large flow comprises a valve body, wherein a support rod is welded on the inner wall of the top end of the valve body, a fixed block is sleeved on the upper end of the support rod, lead screws are welded on the left side and the right side of the fixed block, two groups of lead screws penetrate through the outer side of the valve body, a third nut is installed on the outer side of each lead screw in a threaded manner, a first pressing block is arranged at the bottom end of the fixed block and sleeved on the surface of the support rod, a spring is welded at the bottom end of the support rod and sleeved on the middle surface of the support rod, a second pressing block is welded at the bottom end of the spring and sleeved on the surface of the bottom end of the support rod, a second eave is welded on the right side of the valve body, a second limiting block is welded on the inner wall of the second eave, a second eave is arranged inside the second eave, the valve body bottom welding has first eaves, first eaves inner wall welding has first stopper, first eaves inside is provided with first eaves, first eaves is connected with first eaves through first bolt, first bolt bottom welding has first nut.

Preferably, first eaves and second eaves are inside all to set up to the dysmorphism recess through first stopper and second stopper, first eaves and second eaves are close to first eaves and second eaves one side and all set up to the dysmorphism, the dysmorphism that first eaves of first eaves and second eaves welding set up and the dysmorphism recess shape that second eaves and first eaves set up equals.

Preferably, the first limiting block and the second cover eaves are all set to be arc-shaped protruding blocks, the middle parts of the second eaves and the first eaves, which are close to the first cover eaves and the second cover eaves, are all provided with grooves, and the width of the grooves, which are formed in the middle parts of the second eaves and the first eaves, which are close to the first cover eaves and the second cover eaves, is equal to the width of the arc-shaped protruding blocks, which are arranged on the first limiting block and the second cover eaves.

Preferably, round holes are formed in the surfaces of the second pipe eave, the first cover eave, the first pipe eave and the second cover eave, and the diameters of the inner walls of the round holes formed in the surfaces of the second pipe eave, the first cover eave, the first pipe eave and the second cover eave are equal to the diameters of the surfaces of the first pipe eave and the second bolt.

Preferably, waist-shaped holes are formed in the left side and the right side of the upper end of the valve body, the screw rod is cylindrical, and the diameter of the cylindrical surface of the screw rod is equal to the diameter of the inner wall of the waist-shaped hole formed in the left side and the right side of the upper end of the valve body.

Preferably, a through hole is formed in the middle of the fixing block, and the diameter of the inner wall of the through hole formed in the middle of the fixing block is equal to the diameter of the surface of the supporting rod.

Compared with the prior art, the invention has the beneficial effects that:

1. this liquid accuse relief valve that flow is big is provided with the second eaves, the second stopper, the second eaves, second nut and second bolt, through insert the second eaves in the second eaves, rotate the second eaves again, make the recess buckle second stopper that the second eaves middle part was seted up, inlay the second eaves in the second eaves, rethread second nut and second bolt press from both sides the second eaves and second eaves tightly, make when installing and dismantling the valve body, need not use more bolt to fix, the convenience is fixed and is installed the dismantlement of valve body, the convenience of device is improved.

2. This liquid accuse relief valve that flow is big is provided with the third nut, lead screw and fixed block, moves the third nut through twisting, makes the third nut not press from both sides tight valve body, presses the lead screw again, and the lead screw drives the fixed block and removes, and the first briquetting of fixed block extrusion makes the decline of first briquetting, and first briquetting extrusion spring makes the spring take place elastic deformation to adjust spring's elasticity, when making adjust spring, the shell of disallowing the valve body upper end is dismantled down, adjusts again, increases the practicality of device.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of a cross-sectional structure of the first cover eave of the present invention;

FIG. 3 is a schematic side sectional view of a second cover eave according to the present invention;

fig. 4 is a schematic side view of a portion of the pump body of the present invention.

In the figure: 1. a valve body; 2. a first cover brim; 3. a first stopper; 4. a first nut; 5. a first eave; 6. a first bolt; 7. a second eave; 8. a second bolt; 9. a second nut; 10. a second limiting block; 11. a second cover brim; 12. a screw rod; 13. a third nut; 14. a strut; 15. a fixed block; 16. a first pressing block; 17. a spring; 18. a second pressing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a hydraulic control safety valve with large flow comprises a valve body 1, a supporting rod 14 is welded on the inner wall of the top end of the valve body 1, a fixing block 15 is sleeved at the upper end of the supporting rod 14, a through hole is formed in the middle of the fixing block 15, the diameter of the inner wall of the through hole formed in the middle of the fixing block 15 is equal to the diameter of the surface of the supporting rod 14, lead screws 12 are welded on the left side and the right side of the fixing block 15, two groups of lead screws 12 penetrate through the outer side of the valve body 1, waist-shaped holes are formed in the left side and the right side of the upper end of the valve body 1, each lead screw 12 is cylindrical, the diameter of the cylindrical surface of each lead screw 12 is equal to the diameter of the inner wall of each waist-shaped hole formed in the left side and the right side of the upper end of the valve body 1, when each lead screw 12, the first pressing block 16 is sleeved on the surface of the supporting rod 14, the spring 17 is welded at the bottom end of the supporting rod 14, the spring 17 is sleeved on the surface of the middle of the supporting rod 14, the second pressing block 18 is welded at the bottom end of the spring 17, and the second pressing block 18 is sleeved on the surface of the bottom end of the supporting rod 14.

1 right side welding of valve body has second eaves 11, and 11 inner wall welding of second eaves has second stopper 10, 11 inside second eaves 7 that is provided with of second eaves, second eaves 7 passes through second nut 9 and is connected with second eaves 11, second bolt 8 is installed to 9 right side screw threads of second nut, 1 bottom welding of valve body has first eaves 2, 2 inner wall welding of first eaves have first stopper 3, 2 inside first eaves 5 that are provided with of first eaves, first eaves 5 is connected with first eaves 2 through first bolt 6, 6 bottom welding of first bolt has first nut 4, first eaves 2 and 11 inside all set up to the dysmorphism recess through first stopper 3 and second stopper 10, first eaves 5 and second eaves 7 are close to first eaves 2 and 11 one side of second eaves and all set up to the dysmorphism recess, the dysmorphism eaves 5 and second eaves 7 weld first eaves 2 and the dysmorphism eaves 11 one side setting up with second eaves 11, first eaves 11 and the dysmorphism eaves 11 one side setting up are all set up to the dysmorphism eaves 2, first eaves 11 and the dysmorphism eaves 11 that The shape of the groove is equal, the first eave 5 and the second eave 7 are inserted into the first eave 2 and the second eave 11, the first eave 5 and the second eave 7 are rotated, the first limiting block 3 and the second eave 11 are both provided with arc-shaped convex blocks, the middle parts of the sides of the second eave 7 and the first eave 5, which are close to the first eave 2 and the second eave 11, are provided with grooves, the width of the groove formed in the middle parts of the sides of the second eave 7 and the first eave 5, which are close to the first eave 2 and the second eave 11, is equal to the width of the arc-shaped convex blocks arranged on the first limiting block 3 and the second eave 11, the groove formed in the middle parts of the first eave 5 and the second eave 7 moves on the surfaces of the first limiting block 3 and the second eave 11, the first limiting block 3 and the second eave 11 clamp the first eave 5 and the second eave 7, the first eave 2, the first eave 5 and the second eave 11 are provided with round holes, the second eaves 7, first eaves 2, the round hole inner wall diameter that first eaves 5 and the 11 surfaces of second eaves all seted up equals with the surface diameter of first bolt 6 and second bolt 8, through second eaves 7, first eaves 2, the round hole that first eaves 5 and the 11 setups of second eaves, 7 and the 11 eaves of second eaves, first eaves 2 and first eaves 5 are fixed a position respectively, and run through second eaves 7 and second eaves 11 respectively through first bolt 6 and second bolt 8, first eaves 2 and first eaves 5, rethread first bolt 6 and second bolt 8 threaded mounting have first nut 4 and second nut 9, make second eaves 7 and second eaves 11, first eaves 2 and first eaves 5 fix together.

The working principle is as follows: when the safety valve is installed, firstly, a groove arranged on the surface of the second eave 7 is aligned to a second limiting block 10 welded on the inner wall of the second eave 11, then the second eave 7 is inserted into the second eave 11, after the second eave 7 is inserted into the second eave 11, the second eave 7 is rotated, the groove arranged in the middle of the second nut 9 clamps the second limiting block 10, a round hole arranged on the surface of the second eave 7 is aligned to a round hole arranged on the surface of the second eave 11, then the second bolt 8 penetrates through the round holes arranged on the surfaces of the second eave 7 and the second eave 11, the tail end of the second nut 9 and the tail end of the second bolt 8 are in threaded fit, the second eave 11 and the second eave 7 are clamped, after the second eave 11 and the second eave 7 are installed, the first eave 2 and the first eave 5 are installed, the first eave 5 is inserted into the first eave 2, and then the first eave 5 is rotated, the groove formed in the middle of the first eave 5 clamps the first limiting block 3, and the first cover eave 2 and the first eave 5 are clamped by the first bolt 6 and the first nut 4, so that the valve body 1 can be conveniently mounted and dismounted.

When the tightness of the spring 17 needs to be adjusted, the third nut 13 is rotated, the third nut 13 is in threaded fit through the lead screw 12, the third nut 13 is not clamped at the upper end of the valve body 1, the lead screw 12 is pressed, the fixed block 15 at the bottom end of the lead screw 12 descends, the fixed block 15 extrudes the first pressing block 16, the first pressing block 16 extrudes the spring 17, the spring 17 is elastically deformed, the pressure of the spring 17 is increased, and after the pressure of the spring 17 is adjusted, the third nut 13 is twisted to enable the third nut 13 to be in threaded fit with the lead screw 12, so that the third nut 13 clamps the valve body 1, and the fixed block 15 is fixed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.