Accurate flow adjusting knob of quick discharge valve

Abstract

The utility model relates to the technical field of pneumatic elements and devices, and discloses a quick discharge valve flow accurate adjusting knob which comprises an air cylinder and a quick discharge valve body, a transmission shaft is rotatably connected in the quick discharge valve body, one end of the transmission shaft is fixedly connected with a knob body, and the other end of the transmission shaft is fixedly connected with a first circular gear. The tooth end of the first circular gear is in meshed connection with a second circular gear, the upper surface of the second circular gear is fixedly connected with a first bevel gear, the tooth end of the first bevel gear is in meshed connection with a second bevel gear, and the interior of the second bevel gear is fixedly connected with a first rotating shaft. The knob body is rotated to drive the transmission shaft to rotate, the first circular gear drives the second circular gear to rotate, the first bevel gear drives the second bevel gear to rotate, and the first rotating shaft drives the opening and closing plate to rotate, so that the size of the exhaust port can be controlled, the exhaust flow speed is adjusted, and the movement speed of the air cylinder is reasonably controlled; the service life is prolonged; and the working efficiency is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic element device technical field especially relates to fast discharge valve flow accurate regulation knob. BACKGROUND

[0002] The full name of fast discharge valve is quick exhaust valve, which is a control valve capable of quickly discharging fluid. In a pneumatic system, it can accelerate the action speed of the execution element such as a pneumatic cylinder and a pneumatic motor. For example, in an automatic production line, the pneumatic cylinder needs to be frequently and quickly extended and retracted to carry and assemble parts. The fast discharge valve timely discharges the exhaust gas in the pneumatic cylinder, greatly shortens the return time of the pneumatic cylinder, and improves the production line rhythm.

[0003] In actual industrial production and equipment operation scenarios, the exhaust capacity of the fast discharge valve is usually fixed. If the exhaust speed is too fast, it may cause the execution element to move too fast, which will wear out the equipment parts and reduce the service life of the equipment. On the contrary, if the speed is too slow, it will slow down the work efficiency of the whole system. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a fast discharge valve flow accurate regulation knob, which aims to improve the problem that the exhaust capacity of the fast discharge valve is fixed, which may reduce the service life of the equipment or slow down the work efficiency of the whole system.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The fast discharge valve flow accurate regulation knob comprises a pneumatic cylinder and a fast discharge valve body. A transmission shaft is rotatably connected in the fast discharge valve body. One end of the transmission shaft is fixedly connected with a knob body. The other end of the transmission shaft is fixedly connected with a circular gear one. The tooth end of the circular gear one is meshingly connected with a circular gear two. The upper surface of the circular gear two is fixedly connected with a bevel gear one. The tooth end of the bevel gear one is meshingly connected with a bevel gear two. The inside of the bevel gear two is fixedly connected with a rotating shaft one. The inside of the fast discharge valve body is fixedly connected with an exhaust cylinder. The outer wall of the rotating shaft one penetrates the inside of the exhaust cylinder and is fixedly connected with an opening and closing plate. The lower surfaces of the circular gear one and the circular gear two are rotatably connected in the inside of the fast discharge valve body. The outer wall of the rotating shaft one is rotatably connected in the inside of the fast discharge valve body. The outer wall of the transmission shaft is provided with a limiting assembly. The limiting assembly is used for limiting the rotation of the transmission shaft.

[0007] Preferably, the limiting assembly comprises a lock. The inside of the lock is arranged on the outer wall of the transmission shaft. The outer wall of the lock is fixedly connected with the outer wall of the fast discharge valve body. The inside of the lock is provided with a rotating pin.

[0008] Preferably, the inside of the fast discharge valve body is provided with an air inlet cylinder and a connecting cylinder.

[0009] Preferably, the inside of the cylinder is provided with a limiting slot.

[0010] Preferably, the inside of the quick release valve body is slidably connected with a button, the outer wall of the button is fixedly connected with a tooth plate one, and the tooth end of the tooth plate one is meshedly connected with a round gear three.

[0011] Preferably, the inside of the round gear three is fixedly connected with a rotating shaft two, both ends of the rotating shaft two are rotatably connected in the inside of the quick release valve body, the tooth end of the round gear three is meshedly connected with a tooth plate two, and the outer walls of the tooth plate two and the tooth plate one are slidably connected in the inside of the quick release valve body.

[0012] Preferably, the outer walls of the tooth plate one and the tooth plate two are fixedly connected with a sliding plate, the outer wall of the sliding plate is slidably connected in the inside of the quick release valve body, and the outer wall of the sliding plate is fixedly connected with a spring.

[0013] Preferably, the outer wall of the sliding plate is provided with a clamping block, and the outer wall of the clamping block and the sliding plate are slidably connected in the inside of the limiting slot.

[0014] The utility model discloses have the following beneficial effects:

[0015] 1. In the utility model, through rotating knob body drive transmission shaft rotation, round gear one drive round gear two rotation, bevel gear one drive bevel gear two rotation, rotating shaft one drive turning plate rotation, can realize the size of control exhaust port, thereby adjust the flow rate of exhaust, reach reasonable control the movement speed of cylinder, improve the service life and guarantee work efficiency.

[0016] 2. In the utility model, through the cooperation between limiting slot, button, tooth plate one, round gear three, rotating shaft two, tooth plate two, sliding plate, spring and clamping block, the quick release valve body can be connected with the cylinder quickly, the quick release valve body can be fixed on the outer wall of the cylinder, the working stability of the quick release valve body can be ensured, and the quick release valve body is convenient to disassemble and simple to operate. ACCURATE ADJUSTMENT KNOB FOR FLOW RATE OF QUICK RELEASE VALVE

[0017] Figure 1 It is the perspective view of the accurate adjustment knob for flow rate of quick release valve provided by the utility model;

[0018] Figure 2 It is the local structure schematic view of round gear one of the accurate adjustment knob for flow rate of quick release valve provided by the utility model;

[0019] Figure 3 It is the local structure schematic view of limiting slot of the accurate adjustment knob for flow rate of quick release valve provided by the utility model;

[0020] Figure 4 It is the local structure schematic view of tooth plate one of the accurate adjustment knob for flow rate of quick release valve provided by the utility model.

[0021] Legend:

[0022] 1, cylinder; 2, fast discharge valve body; 3, transmission shaft; 4, knob body; 5, round gear one; 6, round gear two; 7, bevel gear one; 8, bevel gear two; 9, rotating shaft one; 10, exhaust cylinder; 11, opening and closing plate; 12, lock; 13, rotating pin; 14, air inlet cylinder; 15, connecting cylinder; 16, limiting groove; 17, button; 18, toothed plate one; 19, round gear three; 20, rotating shaft two; 21, toothed plate two; 22, sliding plate; 23, spring; 24, clamping block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Referring to Figure 1 and Figure 2 An embodiment provided by the utility model: fast discharge valve flow precision adjusting knob, including cylinder 1 and fast discharge valve body 2, the inside rotationally connected of fast discharge valve body 2 has transmission shaft 3, one end of transmission shaft 3 is fixedly connected with knob body 4, the other end of transmission shaft 3 is fixedly connected with round gear one 5, the tooth end of round gear one 5 is meshingly connected with round gear two 6, the upper surface of round gear two 6 is fixedly connected with bevel gear one 7, the tooth end of bevel gear one 7 is meshingly connected with bevel gear two 8, the inside of bevel gear two 8 is fixedly connected with rotating shaft one 9, the inside of fast discharge valve body 2 is fixedly connected with exhaust cylinder 10, the inside of exhaust cylinder 10 is penetrated by the outer wall of rotating shaft one 9 and is fixedly connected with opening and closing plate 11, the lower surface of round gear one 5 and round gear two 6 are rotationally connected in the inside of fast discharge valve body 2, the outer wall of rotating shaft one 9 is rotationally connected in the inside of fast discharge valve body 2, the outer wall of transmission shaft 3 is provided with limiting assembly, and limiting assembly is used to limit the rotation of transmission shaft 3.

[0025] Specifically, rotating knob body 4 drives round gear one 5 to rotate through transmission shaft 3, fast discharge valve body 2 supports the rotation of transmission shaft 3, round gear one 5 and round gear two 6 meshingly rotate, round gear two 6 is fixedly connected with bevel gear one 7, round gear two 6 drives the rotation of upper surface bevel gear one 7, bevel gear one 7 and bevel gear two 8 meshingly rotate, bevel gear two 8 drives the rotation of rotating shaft one 9, fast discharge valve body 2 and exhaust cylinder 10 support the rotation of rotating shaft one 9, four groups of rotating shaft one 9 drive four groups of opening and closing plate 11 to rotate, and opening and closing plate 11 controls the size of opening by rotating.

[0026] Referring to Figure 1 andFigure 2 The limiting assembly comprises a lock 12, the inside of the lock 12 is arranged on the outer wall of the transmission shaft 3, the outer wall of the lock 12 is fixedly connected to the outer wall of the quick release valve body 2, and the inside of the lock 12 is provided with a rotating pin 13.

[0027] Specifically, the rotating pin 13 is rotated, and the lock 12 can limit the rotation of the transmission shaft 3, so that the transmission shaft 3 is prevented from loosening after the opening and closing plate 11 is adjusted.

[0028] Referring to Figure 1 The inside of the quick release valve body 2 is provided with an air inlet cylinder 14 and a connecting cylinder 15.

[0029] Specifically, the quick release valve body 2 is driven based on a pressure difference. When compressed air enters the air inlet cylinder 14 in the quick release valve body 2, the gas pressure pushes the valve core to move, closes the air outlet, and the gas cannot be discharged from the inside of the exhaust cylinder 10, so that the air inlet cavity is communicated with the connecting cylinder 15. When there is no compressed air entering the air inlet cylinder 14, due to the pressure difference between the connecting cylinder 15 and the air inlet cylinder 14, the valve core is reset under the action of the elastic force or other reset devices, and the air inlet cylinder 14 is blocked, the air outlet is opened, and the gas is quickly discharged through the exhaust cylinder 10.

[0030] Referring to Figure 1 and Figure 3 The inside of the air cylinder 1 is provided with a limiting groove 16; the inside of the quick release valve body 2 is slidably connected with a button 17, the outer wall of the button 17 is fixedly connected with a toothed plate one 18, the toothed end of the toothed plate one 18 is meshingly connected with a circular gear three 19; the inside of the circular gear three 19 is fixedly connected with a rotating shaft two 20, both ends of the rotating shaft two 20 are rotatably connected in the inside of the quick release valve body 2, the toothed end of the circular gear three 19 is meshingly connected with a toothed plate two 21, and the outer walls of the toothed plate two 21 and the toothed plate one 18 are slidably connected in the inside of the quick release valve body 2.

[0031] Specifically, the button 17 is pressed to drive the toothed plate one 18 to slide, the toothed plate one 18 drives the circular gear three 19 to rotate, the rotating shaft two 20 supports the circular gear three 19 to rotate, the rotating shaft two 20 drives the toothed plate two 21 to slide, and the sliding directions of the toothed plate one 18 and the toothed plate two 21 are opposite.

[0032] Referring to Figure 3 The outer walls of the toothed plate one 18 and the toothed plate two 21 are fixedly connected with a sliding plate 22, the outer wall of the sliding plate 22 is slidably connected in the inside of the quick release valve body 2, and the outer wall of the sliding plate 22 is fixedly connected with a spring 23; the outer wall of the sliding plate 22 is provided with a clamping block 24, and the outer wall of the clamping block 24 and the sliding plate 22 are slidably connected in the inside of the limiting groove 16.

[0033] Specifically, when the two sliding plates 22 slide to the middle, the springs 23 are in a compressed state, and when the springs 23 rebound, the sliding plates 22 are pushed open to the two sides, the sliding plates 22 drive the clamping blocks 24 to slide, and the clamping blocks 24 slide to the left and right sides, respectively, and are clamped in the inside of the limiting grooves 16.

[0034] Working principle: when the exhaust valve is used, by inserting the sliding plates 22 and the clamping blocks 24, the sliding plates 22 first compress the springs 23, and then the springs 23 rebound, by clamping the clamping blocks 24 in the inside of the limiting grooves 16, the cylinder 1 and the quick exhaust valve body 2 are fixedly connected, when exhausting, by rotating the knob body 4 to drive the transmission shaft 3 to rotate, the transmission shaft 3 drives the circular gear two 6 to rotate through the circular gear one 5, the circular gear two 6 drives the upper surface bevel gear one 7 to rotate, the bevel gear one 7 simultaneously drives four groups of bevel gear two 8 to rotate, the bevel gear two 8 drives the exhaust cylinder 10 to rotate through the rotating shaft one 9, the exhaust cylinder 10 rotates to form an opening, by controlling the rotating amplitude of the exhaust cylinder 10, the size of the exhaust port is controlled, the exhaust flow rate is limited, when the quick exhaust valve body 2 needs to be disassembled, the button 17 is pressed, the button 17 drives the circular gear three 19 to rotate through the toothed plate one 18, the circular gear three 19 drives the toothed plate two 21 to slide, and the two sliding plates 22 slide to the middle, at this time, the sliding plates 22 and the clamping blocks 24 can be pulled out of the limiting grooves 16, the exhaust valve not only can control the exhaust flow rate, so as to ensure the reasonable movement speed of the cylinder 1, but also facilitates the disassembly and installation of the quick exhaust valve body 2, and the operation is simple.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A fast discharge valve flow precision adjustment knob, comprising a cylinder (1) and a fast discharge valve body (2), characterized in that: The inside of the quick release valve body (2) is rotatably connected with a transmission shaft (3), one end of the transmission shaft (3) is fixedly connected with a knob body (4), the other end of the transmission shaft (3) is fixedly connected with a circular gear one (5), the tooth end of the circular gear one (5) is meshedly connected with a circular gear two (6), the upper surface of the circular gear two (6) is fixedly connected with a bevel gear one (7), the tooth end of the bevel gear one (7) is meshedly connected with a bevel gear two (8), the inside of the bevel gear two (8) is fixedly connected with a rotating shaft one (9), the inside of the quick release valve body (2) is fixedly connected with an exhaust cylinder (10), the outer wall of the rotating shaft one (9) penetrates the inside of the exhaust cylinder (10) and is fixedly connected with an opening and closing plate (11), the lower surfaces of the circular gear one (5) and the circular gear two (6) are rotatably connected in the inside of the quick release valve body (2), the outer wall of the rotating shaft one (9) is rotatably connected in the inside of the quick release valve body (2), the outer wall of the transmission shaft (3) is provided with a limiting assembly, and the limiting assembly is used for limiting the rotation of the transmission shaft (3).

2. The precision flow adjustment knob for a quick-disconnect valve of claim 1, wherein: The limiting assembly comprises a lock (12), the inside of the lock (12) is arranged on the outer wall of the transmission shaft (3), the outer wall of the lock (12) is fixedly connected with the outer wall of the quick release valve body (2), and the inside of the lock (12) is provided with a rotating pin (13).

3. The precision flow adjustment knob for a quick-disconnect valve of claim 1, wherein: The inside of the quick release valve body (2) is provided with an air inlet cylinder (14) and a connecting cylinder (15).

4. The precision flow adjustment knob for a quick-disconnect valve of claim 1, wherein: The inside of the air cylinder (1) is provided with a limiting groove (16).

5. The precision flow adjustment knob for a quick-disconnect valve of claim 1, wherein: The inside of the quick release valve body (2) is slidably connected with a button (17), the outer wall of the button (17) is fixedly connected with a toothed plate one (18), the tooth end of the toothed plate one (18) is meshedly connected with a circular gear three (19).

6. The precision flow adjustment knob for a quick-disconnect valve of claim 5, wherein: The inside of the circular gear three (19) is fixedly connected with a rotating shaft two (20), both ends of the rotating shaft two (20) are rotatably connected in the inside of the quick release valve body (2), the tooth end of the circular gear three (19) is meshedly connected with a toothed plate two (21), and the outer walls of the toothed plate two (21) and the toothed plate one (18) are slidably connected in the inside of the quick release valve body (2).

7. The precision flow adjustment knob for a quick-disconnect valve of claim 5, wherein: The outer walls of the toothed plate one (18) and the toothed plate two (21) are fixedly connected with a sliding plate (22), the outer wall of the sliding plate (22) is slidably connected in the inside of the quick release valve body (2), and the outer wall of the sliding plate (22) is fixedly connected with a spring (23).

8. The precision flow adjustment knob for a quick-disconnect valve of claim 7, wherein: The outer wall of the sliding plate (22) is provided with a clamping block (24), and the outer walls of the clamping block (24) and the sliding plate (22) are slidably connected in the inside of the limiting groove (16).

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