Ultrathin butterfly valve

Abstract

The utility model relates to the technical field of butterfly valves, and discloses an ultrathin butterfly valve which comprises a valve body and a rotating shaft movably installed in the middle of the bottom of an inner cavity of the valve body, a control box is arranged above the middle of the top of the valve body, and the upper end of the rotating shaft movably penetrates and extends into an inner cavity of the control box in sequence and is fixedly provided with a worm wheel. The rear side of the worm gear is meshed with a worm, the left end of the worm movably penetrates and extends to the outer side of the control box, and a rocking wheel is fixedly mounted at the left end of the worm, and through mutual cooperation of a buffer leakage plate, a sealing plate, an L-shaped plate, a T-shaped pull rod, a reset spring A, a push plate, a side plate, a sliding rod and a reset spring B, flowing liquid can pass through the buffer leakage plate conveniently; and a reset spring B is arranged so that the buffer bushing can play a buffering role, the impact force on the valve plate during liquid flowing can be reduced, the service life of the valve plate is prolonged, in addition, the buffer bushing can be detached and replaced according to needs, and operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of butterfly valve, concretely is a kind of ultrathin butterfly valve. BACKGROUND

[0002] Butterfly valve is also called flap valve, it is a kind of simple structure regulating valve, can be used in low pressure pipeline medium switch control butterfly valve is to refer to the closing piece (valve lobe or butterfly plate) for disc, rotates around valve shaft to reach the opening and closing of a kind of valve, valve can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and so on various types fluid flow. On pipeline, mainly play cut-off and throttling effect, butterfly valve actuator is a disc-shaped butterfly plate, rotates in the valve body around its own axis, to achieve the purpose of opening and closing or adjusting.

[0003] The existing ultrathin butterfly valve is directly flowed in the inner cavity of the valve body when using, lack of reducing liquid flow in the valve seat inside the impact of valve plate, affect the service life of valve plate, in addition, most lack lubricating assembly, leading to the driving member for driving valve plate rotation is prone to wear after long-term use, affect the effect of driving, and reduce the effect of device use.

[0004] Therefore, we propose an ultrathin butterfly valve to solve the problems raised in the above. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an ultrathin butterfly valve to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: an ultrathin butterfly valve, including valve body and the pivot that is movably installed at the middle part of the inner cavity bottom of valve body, the top middle part of valve body is provided with control box above, and the upper end of pivot is movably extended to the inner cavity of control box in sequence, and is fixedly installed with worm gear, the rear side of worm gear is engaged with worm, the left end of worm is movably extended to the outside of control box, and is fixedly installed with rocking wheel, the top of control box is installed with lubricating assembly, the lower part of the outside of pivot is fixedly installed with valve plate, and valve plate is located in the inner cavity of valve body, the inner cavity of valve body is installed with buffer assembly near left side;

[0007] The buffer assembly comprises a buffer baffle slidingly installed in the inner cavity of the valve body near the left side, and sealing plates fixedly installed at the top and the bottom of the right side of the buffer baffle respectively, the opposite sides of the sealing plates are respectively attached to the inner walls of the inner cavity of the valve body, rectangular openings are respectively formed at the top and the bottom of the valve body near the left side, L-shaped plates are respectively arranged at the top and the bottom of the valve body near the left side, the opposite sides of the L-shaped plates are respectively inserted into the inner cavities of the adjacent rectangular openings, T-shaped pull rods are respectively movably and penetratively installed on the L-shaped plates near the left side, insertion grooves are respectively formed at the middle parts of the opposite sides of the sealing plates, the output ends of the T-shaped pull rods are respectively inserted into the inner cavities of the adjacent insertion grooves, and push plates are respectively fixedly installed on the right sides of the L-shaped plates.

[0008] Preferably, the outer sides of the T-shaped pull rods are respectively sleeved with reset springs A, and the two ends of the reset springs A are respectively fixedly installed on the adjacent L-shaped plates and T-shaped pull rods.

[0009] Preferably, the right sides of the push plates are respectively provided with side plates, the opposite sides of the side plates are respectively fixedly installed on the valve body, sliding rods are respectively movably and penetratively installed on the side plates near the top and the bottom, the left ends of the sliding rods are respectively fixedly installed on the adjacent push plates, the outer sides of the sliding rods are respectively sleeved with reset springs B, and the left and right ends of the reset springs B are respectively fixedly installed on the adjacent push plates and side plates.

[0010] Preferably, support plates are respectively fixedly installed on the bottom of the control box near the left and right sides, and the bottoms of the support plates are respectively fixedly installed on the valve body.

[0011] Preferably, the lubricating assembly comprises a fixed groove fixedly and penetratively installed at the middle part of the top of the control box, and an oil tank fixedly installed in the inner cavity of the fixed groove near the top, an oil filling pipe is fixedly and penetratively installed at the top of the oil tank near the left side, the upper end of the oil filling pipe is fixedly and penetratively extended to the outer side of the fixed groove, a one-way valve is arranged on the outer side of the oil filling pipe, a plurality of oil dripping pipes are fixedly and penetratively installed at the bottom of the oil tank at equal intervals, valves are respectively arranged on the outer sides of the oil dripping pipes near the upper ends, driven gears are respectively fixedly sleeved with the outer sides of the valves, driving gears are respectively engaged with the rear sides of the driven gears, a transmission rod is commonly fixedly and penetratively installed at the middle part of the driving gear, the left end of the transmission rod is movably installed on the inner wall of the inner cavity of the fixed groove, the right end of the transmission rod is movably and penetratively extended to the outer side of the fixed groove, and a rotating disc is fixedly installed on the right end of the transmission rod.

[0012] Preferably, a T-shaped screw rod is threadedly and penetratively installed on the rotating disc near the top.

[0013] Preferably, a plurality of positioning grooves are formed at the right side of the fixed groove near the bottom, the positioning grooves are arranged in a ring array around the center of the rotating disc, and the output end of the T-shaped screw rod is inserted into the inner cavity of one of the positioning grooves.

[0014] Compared with the prior art, the utility model has the advantages of

[0015] 1, through the mutual cooperation of these components of buffer leak plate, sealing plate, L-shaped plate, T-shaped pull rod, reset spring A, push plate, side plate, sliding rod and reset spring B, through the setting of buffer leak plate, it is favorable to make the flowing liquid pass through, and the setting of reset spring B can make buffer leak plate play the role of buffering, namely the impact force on the valve plate when the liquid flows can be reduced, the service life of the valve plate is improved, in addition, the buffer leak plate can be disassembled and replaced according to the need, and the operation is convenient.

[0016] 2, through the mutual cooperation of these components of fixed groove, positioning groove, oil tank, oil dripping pipe, valve, driven gear, driving gear, transmission rod, rotating disc and T-shaped screw rod, the oil dripping lubrication operation can be carried out on the worm wheel and worm, the long-term use wear degree is avoided, the use effect is improved, and the staff can better drive the valve plate to rotate, realizing the opening and closing of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall sectional view of the utility model;

[0018] Figure 2 It is the overall view of the utility model;

[0019] Figure 3 It is the Figure 1 enlarged view of A in the middle;

[0020] Figure 4 It is the Figure 1 enlarged view of B in the middle;

[0021] Figure 5 It is the partial right side view of the valve of the utility model.

[0022] In the drawing: 1, valve body;2, rotating shaft;3, control box;4, worm wheel;5, worm;6, rocking wheel;7, lubricating assembly;71, fixed groove;711, positioning groove;72, oil tank;73, oil dripping pipe;74, valve;75, driven gear;76, driving gear;77, transmission rod;78, rotating disc;781, T-shaped screw rod;8, valve plate;9, buffer assembly;91, buffer leak plate;92, sealing plate;93, L-shaped plate;94, T-shaped pull rod;941, reset spring A;95, push plate;951, side plate;952, sliding rod;953, reset spring B. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 The utility model provides a kind of superthin butterfly valve, including valve body 1 and movable installation in the bottom middle part of the inner cavity of valve body 1 pivot 2, the top middle part of valve body 1 is provided with control box 3 above, and the upper end of pivot 2 is sequentially movable and extends to the inner cavity of control box 3, and fixedly installed worm wheel 4, the rear side of worm wheel 4 is engaged with worm 5, the left end of worm 5 is movable and extends to the outside of control box 3, and fixedly installed rocking wheel 6, lubricating assembly 7 is installed on the top of control box 3, pivot 2 outside below fixedly installed valve plate 8, and valve plate 8 is in the inner cavity of valve body 1, buffer assembly 9 is installed in the inner cavity of valve body 1 near left side, the setting of lubricating assembly 7 can worm wheel 4 and worm 5 lubrication, and the setting of buffer assembly 9 plays the impact force of valve plate 8 when liquid flows.

[0026] Buffer assembly 9 includes buffer leak plate 91 slidably installed in the inner cavity of valve body 1 near left side and sealing plate 92 fixedly installed at the top and bottom of buffer leak plate 91 right side respectively, opposite side of sealing plate 92 is respectively attached on the inner wall of the inner cavity of valve body 1, and the top and bottom of valve body 1 are respectively provided with rectangular port near left side, the top and bottom of valve body 1 are respectively provided with L-shaped plate 93 near left side, opposite side of L-shaped plate 93 is respectively inserted into the inner cavity of adjacent rectangular port, T-shaped pull rod 94 is movably installed on L-shaped plate 93 near left side, respectively, insertion groove is respectively provided in the middle part of the opposite side of sealing plate 92, and the output end of T-shaped pull rod 94 is respectively inserted into the inner cavity of adjacent insertion groove, push plate 95 is respectively fixedly installed on the right side of L-shaped plate 93, so that buffer leak plate 91 can play a buffering role, i.e. the impact force of valve plate 8 when liquid flows can be reduced, and the service life of valve plate 8 is improved.

[0027] The outer side of T-shaped pull rod 94 is respectively sleeved with reset spring A941, and the two ends of reset spring A941 are respectively fixedly installed on adjacent L-shaped plate 93 and T-shaped pull rod 94, which is beneficial to the movement and recovery of T-shaped pull rod 94.

[0028] The right side of the push plate 95 is provided with a side plate 951, and the opposite side of the side plate 951 is fixedly installed on the valve body 1. A sliding rod 952 is slidably penetrated and installed on the side plate 951 near the top and the bottom. The left end of the sliding rod 952 is fixedly installed on the adjacent push plate 95. The outer side of the sliding rod 952 is sleeved with a return spring B 953, and the left and right ends of the return spring B 953 are fixedly installed on the adjacent push plate 95 and the side plate 951, which is beneficial to the movement and recovery of the push plate 95 and also plays a role in buffering the buffer leakage plate 91.

[0029] The bottom of the control box 3 is fixedly installed with a support plate near the left and right sides, and the bottom of the support plate is fixedly installed on the valve body 1, which plays a role in supporting the control box 3.

[0030] In this embodiment: in use, the valve body can be installed on the pipeline, and after installation is completed, the worm 5 can be driven to rotate by rotating the crank 6, the worm 5 rotates and drives the worm wheel 4 to rotate, the shaft 2 rotates and drives the valve plate 8 to rotate, the valve body 1 is opened and closed, then the liquid enters the inner cavity of the valve body 1, the buffer leakage plate 91 is subjected to the pressure of the liquid, and the buffer leakage plate 91 is driven to move to the right, the buffer leakage plate 91 moves to the right and drives the sealing plate 92 to move to the right, the sealing plate 92 moves to the right and drives the push plate 95 to move to the right through the L-shaped plate 93, the push plate 95 moves to the right and drives the sliding rod 952 to slide on the side plate 951, and also extrudes the adjacent return spring B 953, which plays a role in buffering when the liquid flows, and at the same time, the liquid also flows out of the other side through the buffer leakage plate 91. This setting can reduce the impact force of the liquid flow on the valve plate 8, and the buffer leakage plate 91 can be disassembled and replaced for long-term use. Pulling the T-shaped pull rod 94 to the opposite side, the T-shaped pull rod 94 is driven to move in the opposite direction through the extension of the return spring A 941, so as to move away from the inner cavity of the adjacent slot, thereby releasing the clamping of the buffer leakage plate 91, and then the staff moves the buffer leakage plate 91 to the left to realize disassembly, and vice versa.

[0031] Embodiment 2

[0032] This embodiment is an improvement based on embodiment 1. For details, please refer to Figures 1-2 and Figures 4-5The lubricating assembly 7 comprises a fixed groove 71 fixedly installed at the middle of the top of the control box 3 and an oil tank 72 fixedly installed in the inner cavity of the fixed groove 71 close to the top, the top of the oil tank 72 is fixedly installed with a filling pipe close to the left side, the upper end of the filling pipe is fixedly extended to the outside of the fixed groove 71, a one-way valve is arranged on the outside of the filling pipe, a plurality of oil dripping pipes 73 are fixedly installed at the bottom of the oil tank 72 at equal intervals, a valve 74 is arranged on the outside of each oil dripping pipe 73 close to the upper end, a driven gear 75 is fixedly sleeved on the outside of each valve 74, a driving gear 76 is engaged with the rear side of each driven gear 75, a transmission rod 77 is fixedly installed on the middle of the driving gear 76, the left end of the transmission rod 77 is movably installed on the inner wall of the inner cavity of the fixed groove 71, the right end of the transmission rod 77 is movably extended to the outside of the fixed groove 71 and fixedly installed with a rotating disc 78, the worm wheel 4 and the worm 5 can be lubricated, the friction is reduced, and the use effect is improved.

[0033] A T-shaped screw rod 781 is threadedly installed on the rotating disc 78 close to the top.

[0034] A plurality of positioning grooves 711 are arranged on the right side of the fixed groove 71 close to the bottom, the positioning grooves 711 are arranged in a ring array around the center of the rotating disc 78, the output end of the T-shaped screw rod 781 is inserted into the inner cavity of one of the positioning grooves 711, and the rotating disc 78 is beneficial to clamping and positioning work.

[0035] In this embodiment, the lubricating oil can be added to the oil tank 72 through the filling pipe, the one-way valve is closed after the addition is completed, the T-shaped screw rod 781 is rotated to move away from the inner cavity of the positioning groove 711 when lubrication is needed, then the rotating disc 78 is rotated to drive the transmission rod 77 to rotate, the driving gear 76 is rotated to drive the valve 74 to rotate through the driven gear 75 when the transmission rod 77 rotates, the opening of the oil dripping pipe 73 is realized, the lubricating oil drips on the worm wheel 4 and the worm 5 through the oil dripping pipe 73 at this time, the lubrication is realized, the generation of friction is reduced, and the rotating disc 78 is reversely rotated to realize the closing of the valve 74 after the dripping is completed.

[0036] Working principle: in use, the valve body can be installed on the pipeline, after installation, the worm 5 can be driven by rotating the handle 6, the worm 5 rotates through the worm wheel 4 to drive the shaft 2 to rotate, the shaft 2 rotates to drive the valve plate 8 to rotate, the opening and closing of the valve body 1 is realized, then the liquid enters the inner cavity of the valve body 1, the buffer leakage plate 91 is pressed by the liquid, the buffer leakage plate 91 moves to the right, the sealing plate 92 moves to the right, the L-shaped plate 93 drives the push plate 95 to move to the right, the sliding rod 952 slides on the side plate 951, and the adjacent reset spring B 953 is also extruded, which plays a buffering role when the liquid flows, at the same time, the liquid also flows out from the other side through the buffer leakage plate 91, which can reduce the impact force of the liquid flow on the valve plate 8, and the buffer leakage plate 91 can be disassembled and replaced for long-term use, the T-shaped pull rod 94 is pulled to the opposite side, the extension of the reset spring A 941 drives the T-shaped pull rod 94 to move in the opposite direction, so as to move away from the inner cavity of the adjacent slot, so as to release the clamping of the buffer leakage plate 91, then the staff moves the buffer leakage plate 91 to the left to realize disassembly, and vice versa, the new buffer leakage plate 91 can be clamped, the lubricating oil can be added to the oil tank 72 through the oil filler pipe, after adding, the one-way valve can be closed, when lubrication is needed, the T-shaped screw rod 781 can be rotated to move away from the inner cavity of the positioning groove 711, then the rotating disc 78 is rotated to drive the transmission rod 77 to rotate, the transmission rod 77 rotates to drive the driving gear 76 to rotate, the driving gear 76 rotates to drive the valve 74 to rotate through the driven gear 75, so as to open the oil dripping pipe 73, at this time, the lubricating oil can drip on the worm wheel 4 and the worm 5 through the oil dripping pipe 73, so as to realize lubrication and reduce friction, after dripping, the rotating disc 78 is rotated in the opposite direction to realize the closing of the valve 74.

[0037] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An ultra-thin butterfly valve comprising a valve body (1) and a rotating shaft (2) movably mounted at the middle of the bottom of the inner cavity of the valve body (1), characterized in that: The upper portion of the middle of the valve body (1) is provided with a control box (3), and the upper end of the rotating shaft (2) is sequentially movably extended to the inner cavity of the control box (3), and the worm gear (4) is fixedly installed, the rear side of the worm gear (4) is engaged with the worm (5), the left end of the worm (5) is movably extended to the outside of the control box (3), and the rocking wheel (6) is fixedly installed, the top of the control box (3) is provided with a lubricating assembly (7), the lower portion of the outer side of the rotating shaft (2) is fixedly installed with a valve plate (8), and the valve plate (8) is located in the inner cavity of the valve body (1), and the inner cavity of the valve body (1) is installed with a buffer assembly (9) near the left side; The buffer assembly (9) includes a buffer leakage plate (91) slidably installed in the inner cavity of the valve body (1) near the left side, and sealing plates (92) fixedly installed at the top and bottom of the right side of the buffer leakage plate (91), respectively, the opposite sides of the sealing plates (92) are respectively attached to the inner walls of the inner cavities of the valve body (1), and the top and bottom of the valve body (1) are respectively provided with L-shaped plates (93) near the left side, the opposite sides of the L-shaped plates (93) are respectively inserted into the inner cavities of the adjacent rectangular openings, T-shaped pull rods (94) are movably installed on the L-shaped plates (93) near the left side, respectively, the opposite sides of the sealing plates (92) are respectively provided with insertion slots near the middle, and the output ends of the T-shaped pull rods (94) are respectively inserted into the inner cavities of the adjacent insertion slots, and the right sides of the L-shaped plates (93) are respectively fixedly installed with push plates (95).

2. The ultra-thin butterfly valve according to claim 1, wherein: The outer sides of the T-shaped pull rods (94) are respectively sleeved with reset springs A (941), and the two ends of the reset springs A (941) are respectively fixedly installed on the adjacent L-shaped plates (93) and T-shaped pull rods (94).

3. The ultra-thin butterfly valve according to claim 1, wherein: The right sides of the push plates (95) are respectively provided with side plates (951), and the opposite sides of the side plates (951) are respectively fixedly installed on the valve body (1), and sliding rods (952) are slidably installed on the top and bottom of the side plates (951), respectively, the left ends of the sliding rods (952) are respectively fixedly installed on the adjacent push plates (95), the outer sides of the sliding rods (952) are respectively sleeved with reset springs B (953), and the left and right ends of the reset springs B (953) are respectively fixedly installed on the adjacent push plates (95) and side plates (951).

4. The ultra-thin butterfly valve according to claim 1, wherein: The bottom of the control box (3) is fixedly installed with support plates near the left and right sides, and the bottoms of the support plates are respectively fixedly installed on the valve body (1).

5. The ultra-thin butterfly valve according to claim 1, wherein: The lubricating assembly (7) comprises a fixed slot (71) fixedly installed at the middle of the top of the control box (3) and an oil tank (72) fixedly installed in the inner cavity of the fixed slot (71) near the top, a refueling pipe is fixedly installed through the top of the oil tank (72) near the left side, the upper end of the refueling pipe is fixedly extended to the outside of the fixed slot (71), a one-way valve is arranged on the outside of the refueling pipe, a plurality of oil dripping pipes (73) are fixedly installed through the bottom of the oil tank (72) at equal intervals, a valve (74) is arranged on the outside of the oil dripping pipe (73) near the upper end, a driven gear (75) is fixedly sleeved on the outside of the valve (74), a driving gear (76) is engaged with the rear side of the driven gear (75), a transmission rod (77) is fixedly installed through the middle of the driving gear (76), the left end of the transmission rod (77) is movably installed on the inner wall in the inner cavity of the fixed slot (71), the right end of the transmission rod (77) is movably extended to the outside of the fixed slot (71) and is fixedly installed with a rotating disc (78).

6. The ultra-thin butterfly valve according to claim 5, wherein: The rotating disc (78) is screwedly installed through the T-shaped screw rod (781) near the top.

7. The ultra-thin butterfly valve according to claim 5, wherein: A plurality of positioning grooves (711) are arranged on the right side of the fixed slot (71) near the bottom, the positioning grooves (711) are arranged in an annular array around the center of the rotating disc (78), and the output end of the T-shaped screw rod (781) is inserted into the inner cavity of one of the positioning grooves (711).

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