CN209245301U - A kind of dark thick stick mode gate valve - Google Patents

Abstract

The utility model discloses a kind of dark thick stick mode gate valves, including ending storehouse, connecting tube, sleeve, threaded rod, internal screw thread cylinder, flashboard, gear-box, driven gear, shaft, first driving gear, scale case, second driving gear, it is directed toward gear, tuning drive gear and eyeglass, cut-off storehouse both ends are symmetrically fixed with connecting tube, and connecting tube is connected to cut-off storehouse, cut-off the top of the warehouse is fixed with sleeve, sleeve inner is rotatably connected to threaded rod by rotatory sealing, threaded rod outside screw is connected with internal screw thread cylinder, and internal screw thread cylinder is slidably connected with sleeve lining, cut-off storehouse inner wall slidably connects flashboard, and it is fixedly connected at the top of flashboard with internal screw thread cylinder bottom, gear-box is fixed at the top of sleeve, threaded rod passes through gear-box far from one end of flashboard and is fixed with driven gear, shaft is rotatably connected to by bearing inside gear-box, this dark thick stick mode Gate valve quickly opens or closes gate valve convenient for people, and can intuitively observe the opening and closing degree of flashboard, uses convenient for people.

Description

A kind of dark thick stick mode gate valve

Technical field

The utility model relates to gate valve technical field, specially a kind of dark thick stick mode gate valve.

Background technique

The opening and closing element of inside screw nonrising stem type gate valve is flashboard, and the direction of motion and flow direction of flashboard are perpendicular, can make adjustments and save Stream.Inside screw nonrising stem type gate valve is called swingle gate valve (being also non-rising stem wedge gate valve).Valve stem nut is located on flashboard, and hand wheel rotating drives Valve rod rotation, and flashboard is promoted, usually there is trapezoidal thread in the bottom end of valve rod, passes through the screw thread and flap of valve bottom end On guide groove, rotary motion is become moving along a straight line, that is, will operation torque become operate thrust.When Open valve, work as lock When plate hoisting depth is equal to 1:1 times of valve latus rectum, the channel of fluid is completely unimpeded；

According to a kind of Novel Brake Valve described in existing patent CN201462018U, valve plate is by cylinder type hollow metal valve arbor The valve core housing of frame and resilient nonmetallic material composition, the upper end of metal to-metal brake core crab are threadedly coupled with the lower end T shape of valve rod, spool Set encases metal spool skeleton, and the two sides of spool are wedge-type seal face, and the lower end of valve flower set is arc-shaped bottom surface in valve plate Dividing into for the T shape screw thread of valve lane skeleton is free, and through-hole is provided in the valve core housing of chamber lower end, and cavity and through-hole are used for poppet Valve rod, which extends there through, when plate is used, and the inner cavity of valve body is shape corresponding with valve plate, the opposite mould shape sealing surface of two of set and Sealing is realized in the strong shape bottom surface of circle and body cavity cooperation for readding set lower end.But this gate valve mentions flashboard by valve rod rotation It rises, and the stroke of valve rod Unscrew flashboard is longer, so that being not easy to people opens gate valve；

And the position that at runtime, flashboard is opened can not monitor, be not easy to control and open flow.For this purpose, we It is proposed a kind of dark thick stick mode gate valve.

Summary of the invention

The purpose of this utility model is to provide a kind of dark thick stick mode gate valves, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of dark thick stick mode gate valve, including cut-off Storehouse, connecting tube, sleeve, threaded rod, internal screw thread cylinder, flashboard, gear-box, driven gear, shaft, the first driving gear, scale case, Second driving gear, direction gear, tuning drive gear and eyeglass, the cut-off storehouse both ends are symmetrically fixed with connecting tube, and connecting tube It is connected to cut-off storehouse, the cut-off the top of the warehouse is fixed with sleeve, and the sleeve inner is rotatably connected to screw thread by rotatory sealing Bar, the threaded rod outside screw is connected with internal screw thread cylinder, and internal screw thread cylinder is slidably connected with sleeve lining, in the cut-off storehouse Wall slidably connects flashboard, and is fixedly connected at the top of flashboard with internal screw thread cylinder bottom, is fixed with gear-box at the top of the sleeve, institute It states the one end of threaded rod far from flashboard and is fixed with driven gear across gear-box, pass through bearing inside the gear-box and be rotatablely connected There is a shaft, the shaft is fixed with the first driving gear close to one end of driven gear, and the first driving gear and first driven Gear engagement connection, the gear-box top are fixed with scale case, and described shaft one end passes through scale bottom portion and is fixed with second Driving gear, and the second driving gear and scale case are rotatablely connected, the scale chamber interior wall is rotatably connected to direction by bearing Gear, and be directed toward gear and engage connection with the second driving gear, the direction gear upper surface middle part is fixed with tuning drive gear, institute It states scale case upper surface and is inlaid with eyeglass close to the one end for being directed toward gear.

Preferably, the diameter of first driving gear be greater than driven gear diameter, second driving gear it is straight Diameter is less than the diameter for being directed toward gear.

Preferably, the upper lens surface is equipped with graduation apparatus.

Preferably, fixed ring is fixed on the outside of the one end of the connecting tube far from cut-off storehouse.

Preferably, described shaft one end passes through scale case and is fixed with handwheel.

Compared with prior art, the utility model has the beneficial effects that

1, when the utility model is used, rotation hand wheel so that shaft be driven to rotate, and then drives the first active in shaft Gear rotation, the first driving gear engage connection with driven gear, and then drive driven gear rotation, and the diameter of driven gear is small In the diameter of the first driving gear, and then the rotation of the first driving gear is made to turn around, driven gear rotates a few, to drive screw thread Bar rotation, threaded rod are threaded with internal screw thread cylinder, and limit of the internal screw thread cylinder by flashboard in cut-off storehouse makes internal screw thread cylinder nothing Method rotation, and then make threaded rod rotation that internal screw thread cylinder be driven to slide up and down, so that flashboard be driven to slide in cut-off storehouse, make flashboard Connecting tube is opened and closed, to control the flowing of fluid, this device opens people more quickly by the acceleration of gear Gate valve uses convenient for people.

2, the rotation of the utility model shaft drives the rotation of the second driving gear, and then drives and be directed toward gear rotation, is directed toward tooth Tuning drive gear is fixed on wheel, so that tuning drive gear be made to rotate, tuning drive gear is matched with the graduation apparatus on eyeglass, is convenient for people The degree of intuitive observation flashboard folding.

Detailed description of the invention

Fig. 1 is that the utility model integrally dissects structural schematic diagram；

Fig. 2 is the utility model gear-box anatomical structure schematic diagram.

In figure: 1, ending storehouse；2, connecting tube；3, sleeve；4, threaded rod；5, internal screw thread cylinder；6, flashboard；7, gear-box；8, Driven gear；9, shaft；10, the first driving gear；11, scale case；12, the second driving gear；13, it is directed toward gear；14, scale Pointer；15, eyeglass；16, fixed ring；17, handwheel.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of dark thick stick mode gate valve, including cut-off storehouse 1, Connecting tube 2, sleeve 3, threaded rod 4, internal screw thread cylinder 5, flashboard 6, gear-box 7, driven gear 8, shaft 9, the first driving gear 10, Scale case 11, the second driving gear 12, direction gear 13, tuning drive gear 14 and eyeglass 15,1 both ends of cut-off storehouse are symmetrically fixed There is connecting tube 2, and connecting tube 2 is connected to cut-off storehouse 1, and sleeve 3 is fixed at the top of the cut-off storehouse 1, is passed through inside the sleeve 3 Rotatory sealing is rotatably connected to threaded rod 4, and 4 outside screw of threaded rod is connected with internal screw thread cylinder 5, and internal screw thread cylinder 5 and set 3 inner walls of cylinder are slidably connected, and 1 inner wall of cut-off storehouse slidably connects flashboard 6, and 6 top of flashboard is fixed with 5 bottom of internal screw thread cylinder Connection, is fixed with gear-box 7 at the top of the sleeve 3, the threaded rod 4 far from one end of flashboard 6 pass through gear-box 7 be fixed with from Moving gear 8, is rotatably connected to shaft 9 by bearing inside the gear-box 7, and the shaft 9 is solid close to one end of driven gear 8 Surely there is the first driving gear 10, and the first driving gear 10 engages connection with the first driven gear 8, consolidates at the top of the gear-box 7 Surely there is scale case 11, described 9 one end of shaft passes through 11 bottom of scale case and is fixed with the second driving gear 12, and the second driving gear 12 are rotatablely connected with scale case 11, and 11 inner wall of scale case is rotatably connected to by bearing is directed toward gear 13, and is directed toward gear 13 engage connection with the second driving gear 12, and 13 upper surface middle part of direction gear is fixed with tuning drive gear 14, the scale 11 upper surface of case is inlaid with eyeglass 15 close to the one end for being directed toward gear 13.

The diameter of first driving gear 10 is greater than the diameter of driven gear 8, the diameter of second driving gear 12 Less than the diameter for being directed toward gear 13.

15 upper surface of eyeglass is equipped with graduation apparatus.

Fixed ring 16 is fixed on the outside of the described one end of connecting tube 2 far from cut-off storehouse 1.

Described 9 one end of shaft passes through scale case 11 and is fixed with handwheel 17.

Working principle are as follows: in use, rotation hand wheel 17, to drive shaft 9 to rotate, and then first in drive shaft 9 Driving gear 10 rotates, and the first driving gear 10 engages connection with driven gear 8, and then driven gear 8 is driven to rotate, driven tooth Wheel 8 diameter less than the first driving gear 10 diameter, and then make the first driving gear 10 rotation turn around, driven gear 8 rotate A few, so that threaded rod 4 be driven to rotate, threaded rod 4 is threaded with internal screw thread cylinder 5, and internal screw thread cylinder 5 is being ended by flashboard 6 Limit in storehouse 1 rotate internal screw thread cylinder 5 can not, and then make the rotation of threaded rod 4 that internal screw thread cylinder 5 be driven to slide up and down, thus band Dynamic flashboard 6 slides in cut-off storehouse 1, opens and closes flashboard 6 to connecting tube 2, to control the flowing of fluid, shaft 9 is rotated It drives the second driving gear 12 to rotate, and then drives and be directed toward the rotation of gear 13, be directed toward on gear 13 and be fixed with tuning drive gear 14, from And tuning drive gear 14 is rotated, tuning drive gear 14 is matched with the graduation apparatus on eyeglass 15, and flashboard 6 is intuitively observed convenient for people The degree of folding.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of dark thick stick mode gate valve, including cut-off storehouse (1), connecting tube (2), sleeve (3), threaded rod (4), internal screw thread cylinder (5), Flashboard (6), gear-box (7), driven gear (8), shaft (9), the first driving gear (10), scale case (11), the second driving tooth It takes turns (12), be directed toward gear (13), tuning drive gear (14) and eyeglass (15), it is characterised in that: cut-off storehouse (1) both ends are symmetrically solid Surely have connecting tube (2), and connecting tube (2) is connected to cut-off storehouse (1), be fixed with sleeve (3) at the top of the cut-off storehouse (1), it is described It is rotatably connected to threaded rod (4) inside sleeve (3) by rotatory sealing, threaded rod (4) outside screw is connected with internal screw thread Cylinder (5), and internal screw thread cylinder (5) is slidably connected with sleeve (3) inner wall, cut-off storehouse (1) inner wall slidably connects flashboard (6), And be fixedly connected at the top of flashboard (6) with internal screw thread cylinder (5) bottom, gear-box (7), the spiral shell are fixed at the top of the sleeve (3) Rasp bar (4) passes through gear-box (7) far from the one end of flashboard (6) and is fixed with driven gear (8), passes through inside the gear-box (7) Bearing is rotatably connected to shaft (9), and the shaft (9) is fixed with the first driving gear (10) close to the one end of driven gear (8), And first driving gear (10) engage connection with the first driven gear (8), be fixed with scale case at the top of the gear-box (7) (11), described shaft (9) one end passes through scale case (11) bottom and is fixed with the second driving gear (12), and the second driving gear (12) it being rotatablely connected with scale case (11), scale case (11) inner wall is rotatably connected to by bearing and is directed toward gear (13), and It is directed toward gear (13) and engages connection with the second driving gear (12), direction gear (13) upper surface middle part is fixed with scale and refers to Needle (14), scale case (11) upper surface are inlaid with eyeglass (15) close to the one end for being directed toward gear (13).

2. a kind of dark thick stick mode gate valve according to claim 1, it is characterised in that: first driving gear (10) it is straight Diameter is greater than the diameter of driven gear (8), and the diameter of second driving gear (12) is less than the diameter for being directed toward gear (13).

3. a kind of dark thick stick mode gate valve according to claim 1, it is characterised in that: eyeglass (15) upper surface, which is equipped with, carves Spend table.

4. a kind of dark thick stick mode gate valve according to claim 1, it is characterised in that: the connecting tube (2) is far from cut-off storehouse (1) fixed ring (16) are fixed on the outside of one end.

5. a kind of dark thick stick mode gate valve according to claim 1, it is characterised in that: described shaft (9) one end passes through scale Case (11) is fixed with handwheel (17).