Hand pulling valve with handle counting function

Abstract

The utility model discloses a hand-pull valve with a handle counting function, which relates to the technical field of hand-pull valves and comprises a hand-pull valve main body, an operating pull rod is arranged on one side of the hand-pull valve main body, a counting lubricating box is fixedly connected to the front surface of the hand-pull valve main body, a pull rod clamping seat is sleeved on the operating pull rod, and a handle is arranged on the handle clamping seat. A pull rod rack is fixedly connected to the side, facing the counting lubricating box, of the pull rod clamping seat, the pull rod rack is movably inserted into an inner cavity of the counting lubricating box, and a driving input gear is rotationally installed in the position, corresponding to the upper side of the pull rod rack, of the inner cavity of the counting lubricating box. Through the arrangement of the mechanical counter, a maintainer can judge the pulling times of the operation pull rod by directly observing the reading of the mechanical counter, so that a judgment basis is provided for maintenance of the hand-pull valve body, timely maintenance of the hand-pull valve body is guaranteed, meanwhile, lubricating operation is simpler, more convenient and faster, independent lubricating operation is not needed, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hand pull valve technical field, concretely relates to a hand pull valve with handle counting function. BACKGROUND

[0002] As an important industrial control element, the air path hand pull valve has been widely applied in industrial automation, medical equipment, pneumatic clamp and other fields. Its core function is to realize the on-off control of the air path through the reciprocating pull of the handle, so as to ensure the normal operation of the equipment and the flexibility of the operation.

[0003] When judging the maintenance period, the hand pull valve maintenance personnel can only rely on personal experience and the maintenance situation after the fault occurs, and this method has obvious defects. Because the actual use condition of the valve cannot be accurately grasped, the valve may be prematurely invalid or over-maintained, thereby increasing the maintenance cost and reducing the reliability of the equipment. Therefore, the utility model provides a hand pull valve with handle counting function. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hand pull valve with handle counting function, which can accurately grasp the actual use condition of the valve, prevent the valve from being prematurely invalid or over-maintained, reduce the maintenance cost and improve the reliability of the equipment.

[0005] The utility model discloses a hand pull valve with handle counting function, which can accurately grasp the actual use condition of the valve, prevent the valve from being prematurely invalid or over-maintained, reduce the maintenance cost and improve the reliability of the equipment.

[0006] A hand pull valve with handle counting function, comprising a hand pull valve body, an operation pull rod is arranged on one side of the hand pull valve body, a counting lubricating box is fixedly connected to the front of the hand pull valve body, a pull rod clamp seat is sleeved on the operation pull rod, a pull rod rack is fixedly connected to the side of the pull rod clamp seat facing the counting lubricating box, the pull rod rack is movably inserted into the inner cavity of the counting lubricating box, a driving input gear is rotatably installed on the upper side of the pull rod rack corresponding to the counting lubricating box inner cavity, the driving input gear is meshed with the upper side convex teeth of the pull rod rack, a counting bin is arranged on the outer side center of the counting lubricating box, a mechanical counter is installed in the counting bin, a transmission main shaft is rotatably installed on the inner wall of the counting lubricating box through a rotating frame corresponding to the inner side of the mechanical counter, the side of the transmission main shaft close to the driving input gear is drivingly connected with the driving input gear through a ratchet bevel gear two-stage transmission mechanism, the middle part of the transmission main shaft is meshingly and drivingly connected with the unit digit number wheel of the mechanical counter through a counting transmission gear, a butt joint socket is fixedly connected to the side of the transmission main shaft away from the operation pull rod, and the butt joint socket is drivingly connected with a spline fit butt joint lubricating mechanism.

[0007] Further, the ratchet bevel gear secondary transmission mechanism comprises a one-way ratchet gear, a ratchet transmission gear and a bevel gear transmission mechanism, the driving input gear rotating shaft is rotationally connected with the inner wall of the counting lubricating box, and the driving input gear is fixedly connected with the rotating shaft, the inner wheel of the one-way ratchet gear is key-connected with the driving input gear rotating shaft, and the outer wheel of the one-way ratchet gear is rotationally connected with the driving input gear rotating shaft, a plurality of ratchet teeth are distributed at equal intervals on the inner wall of the outer wheel of the one-way ratchet gear, and a plurality of elastic pawls are arranged on the inner wall of the one-way ratchet gear corresponding to the ratchet teeth on the inner wall of the outer wheel, the ratchet transmission gear is fixedly arranged on the transmission shaft which is parallel to the driving input gear rotating shaft, and the central transmission shaft of the ratchet transmission gear is engaged with the transmission main shaft through the bevel gear transmission mechanism.

[0008] Further, the lubricating mechanism comprises a lubricating bin, the lubricating bin is fixedly arranged on the inner cavity of the counting lubricating box away from the operating pull rod, and a lubricating oil injection cylinder is fixedly inserted in the lubricating bin, a central rotating injection screw is arranged in the lubricating oil injection cylinder, an injection piston is threadedly connected to the outer wall of the injection screw, the injection piston is slidingly connected to the inner wall of the lubricating oil injection cylinder, and the injection screw penetrates through the lubricating oil injection cylinder and the lubricating bin and is inserted into the spline groove of the mating socket on the side of the operating pull rod.

[0009] Further, the outer side of the counting lubricating box is provided with a plurality of oil outlet holes which are arranged at equal intervals on the side of the lubricating bin opening, the outer wall of the counting lubricating box is threadedly connected with an injection head on the outer side of the lubricating bin, and the central part of the injection head is provided with an oil outlet nozzle, the oil outlet nozzle is communicated with the lubricating oil adding port of the hand valve body through a pipeline, and the inner side of the oil outlet nozzle is communicated with the outer side of the lubricating bin.

[0010] Further, the mechanical counter comprises a plurality of coaxially rotating decimal number wheels and a plurality of half-tooth carry wheels, the plurality of half-tooth carry wheels are arranged at intervals corresponding to the plurality of decimal number wheels, and are respectively engaged with the transmission teeth and the carry dials of the decimal number wheels, and the surfaces of the counting wheels are marked with numbers at equal intervals.

[0011] Further, the outer side of the counting bin is provided with an observation window corresponding to the middle part of the number wheel of the mechanical counter, and a transparent plastic sealing plate is fixedly connected in the observation window.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model discloses a counting lubricating box and draw bar clamp seat are directly installed on the outside of finished product hand draw valve main part, and the hand draw valve main part is directly reformed, and the counting function can be selected according to the demand, and the device is convenient to use, the draw bar rack is provided, and the draw bar rack is driven input gear wheel drive with rack gear, can drive drive input gear wheel rotation, drive input gear wheel can drive transmission main shaft rotation through ratchet bevel gear secondary transmission mechanism, and transmission main shaft drives mechanical counter's unit place counting wheel rotation through counting transmission gear, thereby realizes counting function, and makes maintenance personnel can observe the reading of mechanical counter directly, judges the pull frequency of operation draw bar, thereby provides the judgment basis for the maintenance of hand draw valve main part, guarantees the timely maintenance of hand draw valve main part, avoids excessive maintenance, reduces the maintenance cost, and the docking socket is provided, and the docking socket can dock lubricating mechanism, thereby drives lubricating mechanism work, makes the draw operation draw bar can be injected simultaneously lubricating oil for hand draw valve main part, greatly reduces the maintenance frequency of hand draw valve main part, effectively prolongs the service life of hand draw valve main part. In addition, the design also makes the lubrication operation more simple and fast, need not lubricating operation alone, improves the work efficiency. Meanwhile, the combination of counting and lubricating function also makes the use state of hand draw valve more intuitive, is convenient for finding and processing potential problems in time, and further improves the reliability and safety of equipment.

[0014] 2. The utility model discloses a lubricating bin and lubricating oil injection cylinder are provided, and the plug connection of lubricating oil injection cylinder and lubricating bin is convenient for the replacement of lubricating oil injection cylinder, and the threaded cooperation of injection screw rod and injection piston can make injection screw rod push injection piston and move, and the spline cooperation of injection screw rod and docking socket makes injection screw rod can rotate under the drive of transmission main shaft, makes transmission main shaft drive injection piston and move outward when rotating, and extrudes the lubricating oil grease corresponding to the outside of injection piston in lubricating oil injection cylinder, lubricates the key position in hand draw valve main part through the oil outlet hole of lubricating bin, ensures the smooth operation of hand draw valve, reduces wear and failure rate. In addition, the design of lubricating mechanism also considers the convenience of maintenance, when lubricating oil grease is exhausted, only needs to replace lubricating oil injection cylinder, need not to disassemble whole hand draw valve, greatly improves the maintenance efficiency. ACCURACY

[0015] Figure 1 It is the perspective drawing of the utility model;

[0016] Figure 2 It is the down sectional view of the utility model;

[0017] Figure 3 It is the internal structure drawing of the counting lubricating box of the utility model;

[0018] Figure 4It is the rear view of the one-way ratchet gear of the utility model.

[0019] The figure mark: 1, hand pull valve main part;2, operation pull rod;3, count lubricating box;4, pull rod clamping seat;5, pull rod rack;6, drive input gear;7, one-way ratchet gear;8, ratchet gear transmission gear;9, bevel gear transmission mechanism;10, transmission main shaft;11, count storehouse;12, mechanical counter;13, butt joint socket;14, lubricating storehouse;15, lubricating oil injection cylinder;16, injection screw rod;17, injection piston;18, injection head;19, count transmission gear. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment.

[0021] Please refer to Figures 1-4 The utility model provides a kind of hand pull valve with handle counting function, including hand pull valve main part 1, one side of hand pull valve main part 1 is provided with operation pull rod 2, and the front surface of hand pull valve main part 1 is fixedly connected with count lubricating box 3, pull rod clamping seat 4 is sleeved on operation pull rod 2, and pull rod clamping seat 4 is fixedly connected with pull rod rack 5 on the side towards count lubricating box 3, pull rod rack 5 is movably inserted in the inner cavity of count lubricating box 3, and drive input gear 6 is rotatably installed on the upper side of pull rod rack 5 corresponding to the inner cavity of count lubricating box 3, drive input gear 6 is engaged with the upper side convex tooth of pull rod rack 5, and count storehouse 11 is provided on the outside center of count lubricating box 3, and mechanical counter 12 is installed in count storehouse 11, and transmission main shaft 10 is rotatably installed on the inner side of mechanical counter 12 through rotary frame on the inner wall of count lubricating box 3 corresponding to mechanical counter 12, the side of transmission main shaft 10 close to drive input gear 6 is connected with drive input gear 6 through ratchet bevel gear two-stage transmission mechanism, and the middle part of transmission main shaft 10 is engaged with the unit number digital wheel of mechanical counter 12 through count transmission gear 19 transmission, and butt joint socket 13 is fixedly connected on the side of transmission main shaft 10 away from operation pull rod 2, and butt joint socket 13 is connected with lubricating mechanism through spline fit.

[0022] In the embodiment, preferably, the ratchet bevel gear secondary transmission mechanism comprises a one-way ratchet gear 7, a ratchet transmission gear 8 and a bevel gear transmission mechanism 9, the driving input gear 6 rotating shaft is rotatably connected with the inner wall of the counting lubricating box 3, and the driving input gear 6 is fixedly connected with the rotating shaft, the inner wheel of the one-way ratchet gear 7 is keyed connected with the rotating shaft of the driving input gear 6, and the outer wheel of the one-way ratchet gear 7 is rotatably connected with the rotating shaft of the driving input gear 6, a plurality of ratchet teeth are distributed at equal intervals on the inner wall of the outer wheel of the one-way ratchet gear 7, and a plurality of elastic pawls are installed on the inner wall of the one-way ratchet gear 7 corresponding to the ratchet teeth on the inner wall of the outer wheel, the ratchet transmission gear 8 is fixedly installed on the transmission shaft which is parallel to the rotating shaft of the driving input gear 6, and the central transmission shaft of the ratchet transmission gear 8 is engaged with the transmission main shaft 10 through the bevel gear transmission mechanism 9. Through the one-way ratchet gear 7, the ratchet transmission gear 8 and the bevel gear transmission mechanism 9, the one-way ratchet gear 7 can drive the ratchet transmission gear 8 to rotate only when the operating pull rod 2 is pulled out, which is convenient for continuous transmission when the operating pull rod 2 reciprocates. Through the bevel gear transmission mechanism 9, the bevel gear transmission mechanism 9 can change the direction of rotation of the ratchet transmission gear 8 to drive the transmission main shaft 10 to rotate, thereby driving the counting transmission gear 19 and the docking socket 13. The transmission ratio of the pull rod rack 5, the driving input gear 6, the one-way ratchet gear 7, the ratchet transmission gear 8 and the bevel gear transmission mechanism 9 is one to one, and the transmission ratio of the counting transmission gear 19 and the digital wheel of the mechanical counter 12 is ten to one.

[0023] In this embodiment, preferably, the lubricating mechanism comprises a lubricating bin 14 fixedly installed on the inner cavity of the counting lubricating box 3 away from the operating pull rod 2, and a lubricating oil injection cylinder 15 is inserted and fixed in the lubricating bin 14, the center of the lubricating oil injection cylinder 15 is rotatably installed with an injection screw rod 16, the outer wall of the injection screw rod 16 is threadedly connected with an injection piston 17, the injection piston 17 is slidably connected to the inner wall of the lubricating oil injection cylinder 15, and the injection screw rod 16 is inserted into the spline groove of the mating socket 13 after penetrating through the lubricating oil injection cylinder 15 and the lubricating bin 14 towards the side of the operating pull rod 2; the lubricating bin 14 and the lubricating oil injection cylinder 15 are provided, the lubricating oil injection cylinder 15 is inserted with the lubricating bin 14, which facilitates the replacement of the lubricating oil injection cylinder 15, the injection screw rod 16 and the injection piston 17 are provided, the threaded cooperation of the injection screw rod 16 and the injection piston 17 can make the injection screw rod 16 push the injection piston 17 to move, the spline cooperation of the injection screw rod 16 and the mating socket 13 can make the injection screw rod 16 rotate under the drive of the transmission main shaft 10, so that the transmission main shaft 10 drives the injection piston 17 to move outward when rotating, and the lubricating oil outside the injection piston 17 in the lubricating oil injection cylinder 15 is squeezed out, the key parts in the hand-operated valve body 1 are lubricated through the oil outlet hole of the lubricating bin 14, the smooth operation of the hand-operated valve is ensured, and the wear and failure rate are reduced. In addition, the design of the lubricating mechanism also considers the convenience of maintenance. When the lubricating oil is consumed, only the lubricating oil injection cylinder 15 needs to be replaced, without disassembling the entire hand-operated valve, which greatly improves the maintenance efficiency.

[0024] In this embodiment, preferably, the outer side of the counting lubricating box 3 corresponds to the opening of the inner cavity of the lubricating bin 14, and a plurality of oil outlet holes are arranged at equal intervals on the side of the lubricating bin 14 facing the opening, and the outer wall of the counting lubricating box 3 is threadedly connected with an injection head 18 corresponding to the outer side of the lubricating bin 14, and the center of the injection head 18 is provided with an oil outlet nozzle, the oil outlet nozzle is communicated with the lubricating oil adding port of the hand-operated valve body 1 through a pipeline, and the inner side of the oil outlet nozzle is communicated with the outer side of the lubricating bin 14; the injection head 18 can fix the outer end of the lubricating oil injection cylinder 15 while connecting the lubricating oil adding port of the hand-operated valve body 1, so that the lubricating oil can be accurately added to the key lubricating parts in the hand-operated valve body 1, and the lubricating effect is ensured. In addition, the injection head 18 is threadedly connected with the outer wall of the counting lubricating box 3, which is convenient for disassembly and replacement, increases the practicability and flexibility of the device.

[0025] In this embodiment, preferably, the mechanical counter 12 comprises a plurality of coaxial rotating decimal digit wheels and a plurality of half-tooth carry wheels, the plurality of half-tooth carry wheels are arranged at intervals corresponding to the plurality of decimal digit wheels, and are respectively engaged with the transmission teeth and the carry dial of the decimal digit wheels, and the counting wheel surface is equally spaced and marked with numbers; through the arrangement of the decimal digit wheels and the half-tooth carry wheels, accurate counting function can be realized, and each time the pull rod 2 is pulled, a series of transmission mechanisms are driven to drive the digital wheel of the mechanical counter 12 to rotate, and when a certain digital wheel rotates to the maximum value, the corresponding half-tooth carry wheel drives the next high-order digital wheel to rotate, thereby realizing decimal carry counting.

[0026] In this embodiment, preferably, an observation window is formed in the middle of the outer side of the counting bin 11 corresponding to the middle of the digital wheel of the mechanical counter 12, and a transparent plastic sealing plate is fixedly connected in the observation window, so that the maintenance personnel can directly read the number of times of use of the hand-operated valve through the observation window, thereby judging the maintenance period, avoiding the situation of premature failure or excessive maintenance of the valve, and improving the reliability and maintenance efficiency of the equipment. At the same time, the arrangement of the transparent plastic sealing plate can effectively prevent dust and moisture from entering the counting bin 11, thereby ensuring the normal operation and service life of the mechanical counter 12

[0027] The working principle and use process of the utility model are as follows: when the device is used, the counting lubricating box 3 and the pull rod clamping seat 4 are arranged, the pull rod clamping seat 4 can be directly installed on the outer side of the finished hand-operated valve body 1, the finished hand-operated valve body 1 can be directly transformed, the counting function can be selected according to the demand, the device is convenient to use, the pull rod rack 5 is arranged, the pull rod rack 5 is in transmission with the rack gear of the driving input gear 6, can drive the driving input gear 6 to rotate, the driving input gear 6 can drive the transmission main shaft 10 to rotate through the ratchet bevel gear secondary transmission mechanism, the transmission main shaft 10 drives the unit digit counting wheel of the mechanical counter 12 to rotate through the counting transmission gear 19, thereby realizing the counting function, the maintenance personnel can directly observe the reading of the mechanical counter 12, judge the pulling times of the operation pull rod 2, thereby providing a basis for judging the maintenance of the hand-operated valve body 1, ensuring the timely maintenance of the hand-operated valve body 1, avoiding excessive maintenance, reducing the maintenance cost, the butt joint socket 13 is arranged, the butt joint socket 13 can butt joint the lubricating mechanism, thereby driving the lubricating mechanism to work, so that the operation pull rod 2 can be pulled at the same time, and the hand-operated valve body 1 can be injected with lubricating oil, the maintenance frequency of the hand-operated valve body 1 is greatly reduced, and the service life of the hand-operated valve body 1 is effectively prolonged. In addition, the design also makes the lubrication operation more simple and convenient, and separate lubrication operation is not needed, thereby improving the work efficiency. At the same time, the combination of counting and lubrication functions also makes the use state of the hand-operated valve more intuitive, and potential problems can be found and handled in time, thereby further improving the reliability and safety of the equipment.

[0028] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hand-operated valve with a handle counting function, comprising a hand-operated valve body (1), wherein an operating lever (2) is provided on one side of the hand-operated valve body (1), characterized in that: A counting lubrication box (3) is fixedly connected to the front of the hand-operated valve body (1). A lever clamp (4) is sleeved on the operating lever (2), and a lever rack (5) is fixedly connected to the side of the lever clamp (4) facing the counting lubrication box (3). The lever rack (5) is movably inserted into the inner cavity of the counting lubrication box (3), and a drive input gear (6) is rotatably installed in the inner cavity of the counting lubrication box (3) corresponding to the upper side of the lever rack (5). The drive input gear (6) meshes with the upper convex tooth of the lever rack (5). A counting chamber (11) is provided at the center of the outer side of the counting lubrication box (3), and a mechanical device is installed in the counting chamber (11). The inner wall of the counter (12) is connected to the inner side of the mechanical counter (12) via a rotating frame and a transmission shaft (10) is mounted. The side of the transmission shaft (10) closest to the drive input gear (6) is connected to the drive input gear (6) via a ratchet bevel gear two-stage transmission mechanism. The middle part of the transmission shaft (10) is connected to the unit number wheel of the mechanical counter (12) via a counting transmission gear (19). The side of the transmission shaft (10) away from the operating lever (2) is fixedly connected to a docking socket (13), and the docking socket (13) is connected to the lubrication mechanism via a spline engagement.

2. A hand-operated valve with a handle counting function according to claim 1, characterized in that: The ratchet bevel gear two-stage transmission mechanism includes a one-way ratchet gear (7), a ratchet transmission gear (8), and a bevel gear transmission mechanism (9). The drive input gear (6) shaft is rotatably connected to the inner wall of the counting lubrication box (3), and the drive input gear (6) is fixedly connected to the shaft. The inner wheel of the one-way ratchet gear (7) is keyed to the drive input gear (6) shaft, and the outer wheel of the one-way ratchet gear (7) is rotatably connected to the drive input gear (6) shaft. The inner wall of the outer wheel of the one-way ratchet gear (7) has multiple ratchet teeth evenly distributed, and the inner wall of the one-way ratchet gear (7) is equipped with multiple elastic pawls corresponding to the ratchet teeth on the inner wall of the outer wheel. The ratchet transmission gear (8) is fixedly installed on a transmission shaft parallel to the drive input gear (6) shaft, and the central transmission shaft of the ratchet transmission gear (8) meshes with the transmission main shaft (10) through the bevel gear transmission mechanism (9).

3. A hand-operated valve with a handle counting function according to claim 1, characterized in that: The lubrication mechanism includes a lubrication chamber (14), which is fixedly installed in the inner cavity of the counting lubrication box (3) on the side away from the operating lever (2). A lubricating oil injection cylinder (15) is inserted and fixed in the lubrication chamber (14). An injection screw (16) is rotatably installed in the center of the lubricating oil injection cylinder (15). An injection piston (17) is threadedly connected to the outer wall of the injection screw (16). The injection piston (17) is slidably connected to the inner wall of the lubricating oil injection cylinder (15). The injection screw (16) passes through the lubricating oil injection cylinder (15) and the lubrication chamber (14) on the side facing the operating lever (2) and then inserts into the spline groove of the docking socket (13).

4. A hand-operated valve with a handle counting function according to claim 1, characterized in that: The outer side of the counting lubrication box (3) corresponds to the opening of the inner cavity of the lubrication chamber (14), and the lubrication chamber (14) has multiple oil outlet holes arranged in an evenly spaced array facing the opening side. The outer wall of the counting lubrication box (3) is threadedly connected to the outer side of the lubrication chamber (14), and the center of the injection head (18) is provided with an oil outlet. The oil outlet is connected to the lubricating oil filling port of the hand valve body (1) through a pipe, and the inner side of the oil outlet is connected to the outer side of the lubrication chamber (14).

5. A hand-operated valve with a handle counting function according to claim 1, characterized in that: The mechanical counter (12) includes multiple coaxially rotating decimal number wheels and multiple half-tooth carry wheels. The multiple half-tooth carry wheels are respectively arranged at intervals corresponding to the multiple decimal number wheels, and respectively mesh with the transmission teeth of the decimal number wheels and the carry dial. Numbers are engraved at equal intervals on the surface of the counting wheels.

6. A hand-operated valve with a handle counting function according to claim 5, characterized in that: An observation window is provided at the center of the outer side of the counting chamber (11) corresponding to the middle of the digital wheel of multiple mechanical counters (12), and a transparent plastic sealing plate is fixedly connected inside the observation window.

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