CN206175797U - Structure is instructed to valve drive mechanism stroke - Google Patents
Structure is instructed to valve drive mechanism stroke Download PDFInfo
- Publication number
- CN206175797U CN206175797U CN201621096077.4U CN201621096077U CN206175797U CN 206175797 U CN206175797 U CN 206175797U CN 201621096077 U CN201621096077 U CN 201621096077U CN 206175797 U CN206175797 U CN 206175797U
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- Prior art keywords
- stroke
- pointer
- screw rod
- valve
- hole
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model relates to a structure is instructed to valve drive mechanism stroke, indicate cover, transmission cover, pointer, valve rod and screw rod including the stroke, the screw rod is coaxial locate the valve rod top surface and with the valve rod rigid coupling, the transmission ways on the screw rod and with screw rod screw -thread fit, the screw rod is stretched and is carried on during the journey indicates the cover, the stroke is indicateed and is put vertical division in and have a pointer stroke hole, pointer one end is passed pointer stroke hole and stroke and is indicateed transmission in the cover to overlap to be connected, pointer stroke hole is parallel with the valve rod, the stroke sign that is provided with with pointer stroke hole adaptation is put in the stroke instruction. The utility model discloses the accurate indicator valve door stroke of ability, for the user provides convenience, and stable in structure, respond rapidly, operate steadily.
Description
Technical field
The utility model is related to valve technology field, more particularly to a kind of tappet gear stroke instruction structure.
Background technology
Manual many rotary type valves are the common valve types of various pipes, and existing many rotary type valve specifications manually are essentially
Small-bore, low-pressure product, does not all design valve stroke indicating device, and the valve without valve stroke instruction device can be given
User is using above bringing great inconvenience.
Utility model content
The utility model aims to provide tappet gear stroke instruction structure, can accurately indicate valve stroke.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of tappet gear stroke instruction structure, including stroke indicating sleeve, drive sleeve, pointer, valve rod and screw rod, institute
Screw coaxial is stated located at valve rod top surface and affixed with valve rod, the drive sleeve is enclosed within screw rod and coordinates with screw flight, described
Screw rod is put in stroke indicating sleeve, is provided with pointer stroke hole on the stroke indicating sleeve vertically, and described pointer one end passes through pointer
Stroke hole is connected with the drive sleeve in stroke indicating sleeve, and the pointer stroke hole is parallel with valve rod, is set on the stroke indicating sleeve
It is equipped with the stroke mark being adapted to pointer stroke hole.
Further, the screw rod is fine thread.
Further, also including thread bush, the stem lower portion has threaded stem, the threaded stem and screw thread external threading
Coordinate, the ratio between pitch of the threaded stem and screw rod is 8:1.
Further, the drive sleeve outer wall is provided with the jack being adapted to pointer, and the pointer is inserted in jack.
Further, the pointer stroke hole coordinates with finger slips.
Further, the pointer stroke hole is stepped hole, and the pointer is the Step Shaft knot being adapted to pointer stroke hole
Structure.
Further, the drive sleeve coordinates with stroke indicating sleeve gap.
Further, the pitch of the screw rod is 1mm.
Further, the outer face of the pointer is provided with flat recess, and the flat recess is vertical with pointer stroke hole.
Further, the screw rod is manufactured with valve-stem integrated.
Compared with prior art, the utility model has the advantages that：
1. the utility model can accurately indicate valve stroke, provide the user conveniently；
2. Stability Analysis of Structures, response is rapid, operate steadily, long lifespan；
3. it is convenient that convenient, installation and debugging are made.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is with the structural representation of valve of the present utility model；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing of threaded stem in Fig. 2；
In figure：1- strokes indicating sleeve, 2- drive sleeves, 3- pointers, 4- valve rods, 5- screw rods, 6- pointer strokes hole, 7- stroke marks
Knowledge, 8- flat recesses, 9- threaded stems, 10- thread bush, 11- handwheels, 12- bonnets, 13- jacks.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.
As shown in figure 1, tappet gear stroke instruction structure disclosed in the utility model, including stroke indicating sleeve 1, biography
Dynamic set 2, pointer 3, valve rod 4 and screw rod 5, with the top surface of valve rod 4 and affixed with valve rod 4 is located in, drive sleeve 2 is enclosed within screw rod 5 to screw rod 5
Above and with the screw thread of screw rod 5 coordinate, screw rod 5 is put in stroke indicating sleeve 1, and pointer stroke hole 6 is provided with vertically on stroke indicating sleeve 1,
The one end of pointer 3 is connected through pointer stroke hole 6 with the drive sleeve 2 in stroke indicating sleeve 1, and pointer stroke hole 6 is parallel with valve rod 4,
The stroke mark 7 being adapted to pointer stroke hole 6 is provided with stroke indicating sleeve 1.Stroke mark 7 is graduation mark and numeral.Screw rod 5
It is fine thread, drive sleeve 2 coordinates with the gap of stroke indicating sleeve 1.Screw rod 5 is integrally manufactured with valve rod 4.For ease of reading stroke,
The outer face of pointer 3 is provided with flat recess 8, and flat recess 8 is vertical with pointer stroke hole 6.
As shown in Fig. 2 during the utility model applies to gate valve, stroke indicating sleeve 1 is located on bonnet 12 when using,
Bonnet 12 bears the gravity of stroke indicating sleeve 1, naturally it is also possible to which stroke indicating sleeve 1 is affixed with bonnet 12.Stroke identifies 7 directions
Handwheel 11.Threaded stem 9 is arranged at the bottom of valve rod 4, and thread bush 10 is enclosed within threaded stem 9 and coordinates with the screw thread of threaded stem 9, flashboard
By on thread bush 10.Valve rod 4 is rotated, and drives thread bush 10 to move up and down, and then drive the opening and closing of flashboard.As shown in figure 3,
The outer wall of drive sleeve 2 is provided with the jack 13 being adapted to pointer 3, and pointer 3 is inserted in jack 13.Slided with pointer 3 and matched somebody with somebody in pointer stroke hole 6
Close.Pointer stroke hole 6 is stepped hole, and pointer 3 is the step axle construction being adapted to pointer stroke hole 6.
As shown in figure 4, threaded stem 9 is trapezoidal thread.The ratio between pitch of threaded stem 9 and screw rod 5 is 8:1.Make use of
The ratio of pitch between valve rod trapezoidal thread and screw rod fine thread, by the rotary motion of valve rod, identical turn-take it is several under,
The range ability of valve sealing element is far longer than the stroke of drive sleeve, so as to realize valve stroke using extremely short range ability
Indicate, the pitch of such as trapezoidal thread is 8mm, and the pitch of fine thread is 1mm；The stroke of flashboard be 240mm, then valve rod turn
The number of turns is enclosed for 240 ÷ 8=30, and now the stroke of drive sleeve is 1x30=30mm.Valve stroke is indicated machine by the utility model
Structure and tappet gear merge, and greatly reduce installing space, so as to reduce the physical dimension of valve stroke indicating mechanism,
And the gap between tappet gear and valve stroke indicating mechanism is eliminated, regulation is obtained further with control accuracy
Improve, solve the problems, such as that the stroke of manual many rotary type valves indicates difficulty.
The utility model have stroke indicate it is accurate, make convenient, Stability Analysis of Structures, response is rapid, operate steadily, and installs and adjusts
The features such as examination convenience, long lifespan, disclosure satisfy that the requirement of the difference operating mode such as high temperature, low temperature.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation, but these according to the utility model
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (10)
1. a kind of tappet gear stroke instruction structure, it is characterised in that:Including stroke indicating sleeve (1), drive sleeve (2), refer to
Pin (3), valve rod (4) and screw rod (5), the screw rod (5) is same to be located in valve rod (4) top surface and, the transmission affixed with valve rod (4)
Set (2) is enclosed within screw rod (5) and coordinates with screw rod (5) screw thread, and the screw rod (5) is put in stroke indicating sleeve (1), the stroke
Pointer stroke hole (6) is provided with indicating sleeve (1) vertically, described pointer (3) one end passes through pointer stroke hole (6) and stroke indicating sleeve
(1) drive sleeve (2) connection in, is provided with the stroke mark being adapted to pointer stroke hole (6) on the stroke indicating sleeve (1)
(7)。
2. tappet gear stroke instruction structure according to claim 1, it is characterised in that：The screw rod (5) is thin
Pitch thread.
3. tappet gear stroke instruction structure according to claim 1 and 2, it is characterised in that：Also include thread bush
(10), threaded stem (9) is arranged at valve rod (4) bottom, and the thread bush (10) coordinates with threaded stem (9) screw thread, the valve
The ratio between pitch of bar screw thread (9) and screw rod (5) is 8:1.
4. tappet gear stroke instruction structure according to claim 1, it is characterised in that：The drive sleeve (2) is outward
Wall is provided with the jack (13) being adapted to pointer (3), and the pointer (3) is inserted in jack (13).
5. tappet gear stroke instruction structure according to claim 1, it is characterised in that：The pointer stroke hole
(6) it is slidably matched with pointer (3).
6. tappet gear stroke instruction structure according to claim 1, it is characterised in that：The drive sleeve (2) with
Stroke indicating sleeve (1) gap coordinates.
7. tappet gear stroke instruction structure according to claim 3, it is characterised in that：The spiral shell of the screw rod (5)
Away from being 1mm.
8. tappet gear stroke instruction structure according to claim 1 or 5, it is characterised in that：The pointer stroke
Hole (6) is stepped hole, and the pointer (3) is the step axle construction being adapted to pointer stroke hole (6).
9. tappet gear stroke instruction structure according to claim 1, it is characterised in that：Outside the pointer (3)
End face is provided with flat recess (8), and the flat recess (8) is vertical with pointer stroke hole (6).
10. tappet gear stroke instruction structure according to claim 1, it is characterised in that：The screw rod (5) and valve
Bar (4) is integrally manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096077.4U CN206175797U (en) | 2016-09-30 | 2016-09-30 | Structure is instructed to valve drive mechanism stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096077.4U CN206175797U (en) | 2016-09-30 | 2016-09-30 | Structure is instructed to valve drive mechanism stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175797U true CN206175797U (en) | 2017-05-17 |
Family
ID=58678174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096077.4U Active CN206175797U (en) | 2016-09-30 | 2016-09-30 | Structure is instructed to valve drive mechanism stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216859A1 (en) * | 2022-05-08 | 2023-11-16 | 李明树 | Valve stem protective sleeve provided with indicator ring, and valve provided with protective sleeve |
-
2016
- 2016-09-30 CN CN201621096077.4U patent/CN206175797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216859A1 (en) * | 2022-05-08 | 2023-11-16 | 李明树 | Valve stem protective sleeve provided with indicator ring, and valve provided with protective sleeve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |