CN219263234U

CN219263234U - Valve accessory convenient to replace

Info

Publication number: CN219263234U
Application number: CN202223058572.4U
Authority: CN
Inventors: 刘超
Original assignee: Changzhou Mingying Drying Machinery Equipment Co ltd
Current assignee: Changzhou Mingying Drying Machinery Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-06-27
Anticipated expiration: 2032-11-17

Abstract

The utility model belongs to the technical field of valves, in particular to a valve fitting convenient to replace, which comprises a valve core, wherein a valve rod is rotatably arranged on the valve core, a cross-shaped hole is formed in the bottom of the valve rod by the valve core, a supporting cylinder is arranged at the bottom of the valve rod, a pull rope is fixed on a supporting plate and fixedly connected to the bottom of a fixed block, a first moving part is arranged at the bottom of the fixed block in a sliding manner, when the valve is used for a long time, the valve rod is easy to damage, the valve rod is required to be replaced independently, the first moving part is pressed, the two first moving parts move towards the fixed block, the bottom of the supporting cylinder is pulled under the traction of the pull rope, the valve rod is pulled out from the valve core by a pull-up supporting column, and the valve rod is buckled in the cross-shaped hole of the valve core by the supporting cylinder, and the structure design of the pull rope is adopted, so that the valve rod is replaced, the problem that the valve rod cannot be replaced independently when the valve rod is damaged is avoided, and the valve can be used for a long time.

Description

Valve accessory convenient to replace

Technical Field

The utility model relates to the technical field of valves, in particular to a valve fitting convenient to replace.

Background

The valve is an important control component in a fluid conveying system, is used for controlling the direction, pressure and flow of fluid, has strong shearing force between a valve core and a metal valve seat of the surfacing hard alloy, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflow pressure relief and the like, and comprises a stop valve ball valve, a butterfly valve, a diaphragm valve, a safety valve, a check valve and the like;

the valve consists of a plurality of accessories, including a valve body, a valve rod and a valve core, and the valve core is driven to rotate in a valve cavity by the rotation of the valve rod so as to control the direction, pressure and flow of fluid;

in the use process of the existing valve, after the valve rod rotates for a long time, abrasion is easily generated on the outer wall of the valve rod, so that the valve is leaked, but the valve rod and the valve core are generally in an integrated structure, so that the valve rod cannot be independently replaced; therefore, a valve fitting which is convenient to replace is provided for solving the problems.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problem that the valve rod cannot be replaced independently, the utility model provides a valve fitting convenient to replace.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a valve fitting convenient to replace, which comprises a valve core, wherein a diversion hole is formed in the valve core, a valve rod is rotatably arranged on the valve core, a hole is formed in the center position of the valve rod, a cross-shaped hole is formed in the bottom of the valve rod by the valve core, a connecting cylinder is fixed at the bottom of the valve rod, a fixed cylinder is connected to the connecting cylinder, a supporting plate is fixed at the bottom of the fixed cylinder, a hole is formed in the supporting plate, a supporting cylinder is slidably arranged at the top of the fixed cylinder, the diameter of the supporting cylinder is smaller than that of the fixed cylinder, a spring is fixedly arranged between the top of the inner side of the supporting cylinder and the supporting plate, the connecting cylinder, the fixed cylinder and the supporting cylinder are cooperatively arranged in the cross-shaped hole formed in the valve core, a supporting column is fixed at the top of the valve rod, a hole is formed in the supporting column, a fixed block is arranged at the top of the supporting column, a pull rope is fixed on the supporting cylinder, and the pull rope penetrates through the hole formed in the supporting plate and the hole of the connecting cylinder and the valve rod and the hole is fixedly connected to the bottom of the fixed block;

the bottom slip card of fixed block is equipped with a moving part, and a moving part is the setting of "delta" structure a moving part's both sides are fixed with the slider, be fixed with fixed stop on the support column, fixed stop is "U" setting, and fixed stop both sides highly are higher than the bottom side height, a moving part card is established in fixed stop's "U" type structure, the spout has been seted up to fixed stop both sides, slider slidable mounting is in the spout, through the "cross" style of calligraphy hole of support cylinder buckle at the case, and the pulling of stay cord, realized the change to the valve rod.

Preferably, the support column is fixed with the buckle board, the buckle board is "L" type setting, has realized the dismantlement of rotatory handle.

Preferably, the support column is buckled and is equipped with the apron, set up flutedly on the apron, the top buckle of buckle board has realized the fixed of rotatory handle in the recess.

Preferably, the apron is last to slide to wear to be equipped with No. two moving parts, and No. two moving parts are "L" setting, no. two moving parts's bottom is located the recess, and No. two moving parts's bottom is located the top of buckle, be fixed with rotatory handle on the apron, realized that rotatory handle need not be changed together with the valve rod.

Preferably, the outside of case is provided with a pipeline, and the case rotates and installs in a pipeline, a pipeline is fixed with the connecting rod between the support column, the valve rod can rotate in the connecting rod, the protection of the valve rod that realizes through the connecting rod.

Preferably, two sides of the first pipeline are connected with the second pipeline, a flange is fixedly arranged on the second pipeline, and the connection between the second pipeline and other pipelines is realized through the flange.

The utility model has the advantages that:

1. according to the utility model, through the cross-shaped holes of the support cylinder buckled on the valve core and the structural design of the pull rope, the function of replacing the valve rod is realized, when the valve is used for a long time, the valve rod is easy to damage, the valve leakage is dangerous, the valve rod is required to be replaced independently, the first moving parts arranged on the support column are pressed manually, the two first moving parts move towards the direction of the fixed block to drive the pull rope to move upwards, the bottom of the support cylinder is pulled under the traction of the pull rope, when the diameters of the connecting cylinder, the fixed cylinder and the support cylinder on the same plane are smaller than the diameter of the valve rod, the valve rod can be pulled out from the valve core through the upward pulling support column, the problem that the valve rod cannot be replaced independently when damaged is avoided, and the valve can be used for a long time is ensured.

2. According to the utility model, through the structural design of the buckle plate buckle, the disassembly function of the rotary handle is realized, in order to realize that the rotary handle does not need to be replaced when the valve rod is replaced, the rotary handle is required to be disassembled, the buckle plate is outwards bent through pressing the second moving part arranged on the cover plate, and when the buckle plate is outwards bent to the joint of the groove and the bottom of the inner wall of the cover plate, the cover plate is upwards moved out through pulling the rotary handle upwards, so that the rotary handle is disassembled, the rotary handle is also replaced together when the valve rod is replaced, and the long-time use of the rotary handle is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a first perspective view of a first embodiment;

FIG. 2 is a schematic view showing the structure of two sides of a valve rod according to the first embodiment;

FIG. 3 is a schematic view showing the internal cross-sectional structure of a valve element according to the first embodiment;

FIG. 4 is an enlarged schematic view of a portion of the structure A of FIG. 3 according to the first embodiment;

FIG. 5 is a schematic view showing the sectional structure of the two sides of the connecting cylinder according to the first embodiment;

FIG. 6 is a schematic view showing the internal cross-sectional structure of a cover plate according to the first embodiment;

FIG. 7 is a schematic diagram showing two side sectional structures of a fixing block according to the first embodiment;

fig. 8 is a schematic structural diagram of a first perspective view of a second embodiment.

In the figure: 1. a valve core; 2. a valve stem; 3. a support column; 4. a connecting cylinder; 5. a fixed cylinder; 6. a support cylinder; 7. a support plate; 8. a spring; 9. a pull rope; 10. a fixed block; 11. a first moving part; 12. a slide block; 13. a fixed baffle; 14. a chute; 15. a buckle plate; 16. a cover plate; 17. a groove; 18. a second moving member; 19. rotating the handle; 20. a connecting rod; 21. a first pipeline; 22. a second pipeline; 23. a flange; 24. and positioning columns.

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.

Example 1

Referring to fig. 1-7, a valve fitting convenient to replace comprises a valve core 1, wherein a diversion hole is formed in the valve core 1, a valve rod 2 is rotatably installed on the valve core 1, a hole is formed in the center position of the valve rod 2, a cross-shaped hole is formed in the valve core 1 at the bottom of the valve rod 2, a connecting cylinder 4 is fixedly arranged at the bottom of the valve rod 2, a fixed cylinder 5 is connected to the connecting cylinder 4, a supporting plate 7 is fixedly arranged at the bottom of the fixed cylinder 5, a hole is formed in the supporting plate 7, a supporting cylinder 6 is slidably installed at the top of the fixed cylinder 5, the diameter of the supporting cylinder 6 is smaller than that of the fixed cylinder 5, a spring 8 is fixedly installed between the inner side top of the supporting cylinder 6 and the supporting plate 7, the connecting cylinder 4, the fixed cylinder 5 and the supporting cylinder 6 are cooperatively installed in the cross-shaped hole formed in the valve rod 1, a supporting column 3 is fixedly arranged at the top of the valve rod 2, a supporting column fixing block 10 is arranged at the top of the supporting column 3, a supporting column 9 is fixedly arranged on the supporting cylinder 6, and the supporting column 9 is fixedly connected with the supporting column 3 through the supporting column 9 and the hole through the supporting column 3 and the hole through the supporting column 10;

the bottom of the fixed block 10 is provided with a first moving part 11 in a sliding manner, the first moving part 11 is in a delta structure, sliding blocks 12 are fixed on two sides of the first moving part 11, a fixed baffle 13 is fixed on the support column 3, the fixed baffle 13 is in a U-shaped structure, the heights of two sides of the fixed baffle 13 are higher than those of the bottom side, the first moving part 11 is clamped in the U-shaped structure of the fixed baffle 13, sliding grooves 14 are formed in two sides of the fixed baffle 13, and the sliding blocks 12 are slidably arranged in the sliding grooves 14;

when the valve is used for a long time, the valve rod is rubbed with the inner wall for a long time, the valve rod is easy to damage, the valve leakage is dangerous, the valve rod can be safely used for long time installation, the whole replacement of the valve is avoided, the valve rod is required to be singly replaced, the valve leakage in the replacement process is avoided, the valve is required to be firstly avoided, the valve is closed for the pipeline, the valve rod is detached and replaced after the valve rod 2 is in an initial state of being rotationally installed in the valve core 1, the valve rod is clamped in a cross-shaped hole of the valve core 1 through the connecting cylinder 4 to realize fixation, when the valve rod is required to be detached, the first moving part 11 is positioned at the bottom of the fixed block 10 and is slidably installed in the sliding groove 14 on the fixed baffle 13 through the sliding block 12 on the first moving part 11, the two first moving parts 11 are moved towards the direction of the fixed block 10, the surface of the first moving part 11 is obliquely arranged, the fixed block 10 is moved upwards to drive the pull rope 9 to move upwards, the bottom of the supporting cylinder 6 is pulled under the traction of the pull rope 9 to drive the spring 8 to compress in the supporting cylinder 6 and the supporting plate 7, the two supporting cylinders 6 are slidably arranged in the fixed cylinder 5, when the diameters of the connecting cylinder 4, the fixed cylinder 5 and the supporting cylinder 6 on the same plane are smaller than the diameter of the valve rod 2, the valve rod 2 can be pulled out from the valve core 1 through the pull-up support column 3, when a new valve rod 2 is installed, the first moving part 11 is pressed towards the direction of the fixed block 10, then the valve rod 2 is inserted into the valve core 1, the pressed first moving part 11 is loosened, the supporting cylinder 6 is moved outwards under the elastic potential energy of the spring 8 to be clamped in a cross-shaped hole of the valve core 1 to realize fixation, at this time, the pull rope 9 pulls the fixed block 10 to move downwards, so that the first moving part 11 moves outwards, the first moving part 11 cannot move too much under the limit of the U-shaped structure of the fixed baffle 13 and is always positioned at the bottom of the fixed block 10, the cross-shaped holes of the valve core 1 are buckled with the pull rope 9 through the supporting cylinder 6, the valve rod 2 is replaced, the problem that the valve rod 2 cannot be replaced independently when damaged is avoided, and the valve can be used for a long time is ensured.

The novel valve is characterized in that a buckling plate 15 is fixed on the support column 3, the buckling plate 15 is in an L-shaped arrangement, a cover plate 16 is buckled on the support column 3, a groove 17 is formed in the cover plate 16, the top of the buckling plate 15 is buckled in the groove 17, a second moving part 18 is arranged on the cover plate 16 in a sliding mode, the second moving part 18 is in an L-shaped arrangement, the bottom of the second moving part 18 is located in the groove 17, the bottom of the second moving part 18 is located at the top of the buckling plate 15, a rotary handle 19 is fixed on the cover plate 16, a first pipeline 21 is arranged on the outer side of the valve core 1, the valve core 1 is rotatably installed in the first pipeline 21, a connecting rod 20 is fixed between the support columns 3, the valve rod 2 can rotate in the connecting rod 20, two sides of the first pipeline 21 are connected with a second pipeline 22, and flanges 23 are fixedly installed on the second pipeline 22.

When the valve rod is in operation, after the valve rod is damaged due to friction with the inner wall for a long time, the valve rod and the rotating handle are required to be independently replaced in order to save cost and working time, but the valve rod is required to be replaced together with the rotating handle, but the replacement is unfavorable for saving cost and working time, the rotating handle is not required to be replaced when the valve rod is replaced, so that the rotating handle is required to be detachably operated, when the rotating handle is detached, the second moving part 18 arranged on the cover plate 16 is pressed, the second moving part 18 moves downwards to press the buckling plate 15, the buckling plate 15 is outwards bent through the inclined arrangement of the buckling plate 15, the cover plate 16 is upwards moved out through the upward pulling of the rotating handle 19 when the buckling plate 15 is outwards bent to the joint of the groove 17 and the inner wall bottom of the cover plate 16, the cover plate 16 is upwards moved out, the cover plate 16 is buckled to the upper side of the support column 3 after the new valve rod 2 is replaced, the buckling plate 15 is buckled in the groove 17 through the upward pulling of the second moving part 18, the buckling plate 15 is installed in the groove 17, the buckling plate 19 is prevented from being replaced, and the rotating handle 19 is also prevented from being replaced when the rotating handle 19 is replaced.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present utility model, positioning columns 24 are fixed on two sides of the connecting rod 20, the positioning columns 24 are disposed vertically with the two first moving members, and the positioning columns 24 are disposed horizontally with the two second moving members; during operation, when dismantling the rotary handle or changing the valve rod, need rotatory messenger rotary handle or valve rod buckle to fixed position realize fixed in the installation, through the fixed reference column 24 in both sides of connecting rod 20, and reference column 24 is perpendicular setting with two moving parts, and reference column 24 is the level setting with two moving parts, has realized fixing a position when valve rod 2 and rotary handle 19 are installed, has avoided the condition of unable accurate installation.

The working principle is that after the valve rod is damaged due to friction with the inner wall for a long time, the valve rod and the rotating handle are required to be replaced independently in order to save cost and working time, the valve rod and the rotating handle are generally welded together, the replacement of the valve rod is required to be carried out together, the replacement of the rotating handle is not beneficial to saving cost and working time, in order to realize that the rotating handle is not required to be replaced when the valve rod is replaced, so that detachable operation is required to be carried out on the rotating handle, when the rotating handle is detached, a pipeline connected with a flange 23 is required to be closed, fluid is prevented from flowing into a first pipeline 21 and a second pipeline 22, the second moving part 18 arranged on a cover plate 16 is pressed, the second moving part 18 is downwards moved to press a buckling plate 15, the buckling plate 15 is outwards bent through the inclined arrangement of the buckling plate 15, when the buckling plate 15 is outwards bent to the joint of a groove 17 and the inner wall bottom of a cover plate 16, the cover plate 16 is upwards moved out through the upward rotation handle 19, the cover plate 16 is buckled to be above a support column 3, when the new valve rod 2 is detached, the second moving part is required to be connected with the flange 23, the second moving part is prevented from flowing into the pipeline 21, the second pipeline 22 is prevented from flowing into the pipeline 22, the second pipeline is required to be connected with the rotating handle, and the rotating handle is also replaced by the rotating handle 19, and the rotating handle is prevented from being replaced by the rotating handle 19, and the rotating handle through the groove 19, and the long handle is installed in the groove, and the rotating handle is required;

when the valve is used for a long time, the valve rod is rubbed with the inner wall for a long time, the valve rod is easy to damage, the valve leakage is dangerous, the valve can be safely used after being installed for a long time, the whole replacement of the valve is avoided, the valve rod is required to be singly replaced, the valve leakage in the replacement process is required to be avoided, the valve rod is required to be detached and replaced, the valve rod 2 is initially installed in the valve core 1 in a rotating way and is installed in the connecting rod 20 in a rotating way, the valve rod is clamped in a cross-shaped hole of the valve core 1 through the connecting cylinder 4 to realize fixation, when the valve is required to be detached, the first moving part 11 arranged on the support column 3 is manually pressed, the first moving part 11 is positioned at the bottom of the fixed block 10, the sliding block 12 on the first moving part 11 is slidingly installed in the sliding groove 14 on the fixed baffle 13, the two first moving parts 11 are moved towards the direction of the fixed block 10, the surface of the first moving part 11 is obliquely arranged, the fixed block 10 is moved upwards to drive the pull rope 9 to move upwards, the bottom of the supporting cylinder 6 is pulled under the traction of the pull rope 9 to drive the spring 8 to compress in the supporting cylinder 6 and the supporting plate 7, the two supporting cylinders 6 are slidably arranged in the fixed cylinder 5, when the diameters of the connecting cylinder 4, the fixed cylinder 5 and the supporting cylinder 6 on the same plane are smaller than the diameter of the valve rod 2, the valve rod 2 can be pulled out from the valve core 1 through the pull-up support column 3, when a new valve rod 2 is installed, the first moving part 11 is pressed towards the direction of the fixed block 10, then the valve rod 2 is inserted into the valve core 1, the pressed first moving part 11 is loosened, the supporting cylinder 6 is moved outwards under the elastic potential energy of the spring 8 to be clamped in a cross-shaped hole of the valve core 1 to realize fixation, at this time, the pull rope 9 pulls the fixed block 10 to move downwards, so that the first moving part 11 moves outwards, the first moving part 11 cannot move too much under the limit of the U-shaped structure of the fixed baffle 13 and is always positioned at the bottom of the fixed block 10, the cross-shaped holes of the valve core 1 are buckled with the pull rope 9 through the supporting cylinder 6, the valve rod 2 is replaced, the problem that the valve rod 2 cannot be replaced independently when damaged is avoided, and the valve can be used for a long time is ensured.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A valve accessory convenient to replace, characterized in that: including case (1), the water conservancy diversion hole has been seted up on case (1), valve rod (2) has been installed in the rotation on case (1), the hole has been seted up on the central point of valve rod (2), valve core (1) has been seted up "ten" style of calligraphy hole in valve rod (2) bottom department, the bottom of valve rod (2) is fixed with connecting cylinder (4), be connected with fixed cylinder (5) on connecting cylinder (4), the bottom of fixed cylinder (5) is fixed with backup pad (7), and has seted up the hole on backup pad (7), support cylinder (6) are installed in the top slidable of fixed cylinder (5) support cylinder (6), the diameter of support cylinder (6) is less than the diameter of fixed cylinder (5), fixed mounting spring (8) between the inboard top of support cylinder (6) and backup pad (7), in the "ten" style of calligraphy hole that valve rod (2) were installed in the cooperation of valve rod (4), fixed cylinder (5) and support cylinder (6), the top of valve rod (2) is fixed with support column (3), support column (3) are installed in the top of support cylinder (3), support column (9) are seted up on the top (9), support column (9) have been seted up on the top (9) support column (9) The valve rod is fixedly connected with the bottom of the fixed block (10) through holes of the connecting cylinder (4), the valve rod (2) and the supporting column (3);

the bottom slip card of fixed block (10) is equipped with moving part (11), and moving part (11) is the structural setting of "delta", moving part (11) both sides are fixed with slider (12), be fixed with fixed stop (13) on support column (3), fixed stop (13) are "U" setting, and fixed stop (13) both sides highly are higher than the bottom side height, moving part (11) card is established in fixed stop (13) "U" type structure, spout (14) have been seted up to fixed stop (13) both sides, slider (12) slidable mounting is in spout (14).

2. A valve fitting for easy replacement as defined in claim 1, wherein: the support column (3) is fixedly provided with a buckling plate (15), and the buckling plate (15) is L-shaped.

3. A valve fitting for easy replacement as defined in claim 2, wherein: the support column (3) is buckled and is equipped with apron (16), recess (17) have been seted up on apron (16), the top buckle of buckle board (15) is in recess (17).

4. A valve fitting for easy replacement as defined in claim 3, wherein: the cover plate (16) is provided with a second moving part (18) in a sliding mode, the second moving part (18) is arranged in an L-shaped mode, the bottom of the second moving part (18) is located in the groove (17), the bottom of the second moving part (18) is located at the top of the buckle plate (15), and the cover plate (16) is fixedly provided with a rotary handle (19).

5. A valve fitting for easy replacement as defined in claim 1, wherein: the valve core is characterized in that a first pipeline (21) is arranged on the outer side of the valve core (1), the valve core (1) is rotatably arranged in the first pipeline (21), a connecting rod (20) is fixed between the first pipeline (21) and the supporting columns (3), and the valve rod (2) can rotate in the connecting rod (20).

6. A valve fitting for easy replacement as in claim 5, wherein: two sides of the first pipeline (21) are connected with a second pipeline (22), and a flange (23) is fixedly arranged on the second pipeline (22).