JP2507394Y2 - Viscous fluid supply pump - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention sucks a viscous fluid from a bellows type cartridge containing a viscous fluid such as grease according to a predetermined control from a control unit by a plunger pump interlocked with a motor driven by a dry battery. The present invention relates to a viscous fluid supply pump that directly discharges a small amount at regular intervals to an oil supply location such as industrial equipment.

[0002]

2. Description of the Related Art In a conventional viscous fluid supply pump of the type driven by a dry battery, the bellows type cartridge and the drive system including the dry battery are not integrated but provided separately in separate storage cases. It was being done. Therefore, there are the following problems. (1) When replacing the cartridge, it is easy to forget to replace the dry battery, which often causes discharge failure due to exhaustion of the dry battery, resulting in problems such as bearing seizure. (2) The replacement work of the cartridge and the dry battery was troublesome because it was necessary to attach and detach both storage cases. (3) The viscous fluid supply pump is often installed in a narrow space, but if it is installed in a narrow space and the cartridge mounting direction is different from the dry cell mounting direction, replacement work is difficult. there were. In order to eliminate such a difficulty, it has to be mounted in a wide area, and there has been a restriction on the mounting location.

[0003]

An object of the present invention is to avoid forgetting to replace a dry battery, and to easily replace the bellows type cartridge and the dry battery even in a narrow space. An object of the present invention is to provide a viscous fluid supply pump that can be used.

[0004]

According to the present invention, a bellows type cartridge containing a viscous fluid is mounted, and a plunger pump interlocked with a motor driven by a dry cell is used to control the cartridge from the cartridge according to a predetermined control from a controller. A viscous fluid supply pump that sucks and discharges viscous fluid,
The cartridge is mounted on one surface side of the substantially plate-shaped base, and the motor, the dry battery, and the control unit are mounted thereon, and the cartridge is detachably mounted on the one surface side of the base. It is installed upright in a cylindrical transparent or semi-transparent guide tube, the dry cell is stored in a holder, and a pressing plate is provided on the side surface of the holder, and the holder is pressed. The mounting plate fixed to the base is inserted into the gap between the plates and is pressed by the pressing plate, so that the cartridge is detachably mounted in the same direction as the mounting and demounting direction of the cartridge. A transparent or semi-transparent cover that covers the cartridge, the motor, the dry battery, and the control unit is detachably fixed, and a viscous fluid discharge port is formed on the other surface of the base. Is characterized by

[0005]

Since the cartridge and the dry battery are both covered with the cover on one side of the base, they are exposed only by removing the cover. Therefore, in these replacement works, it is difficult for one to forget to replace.

Since both the cover and the cartridge are attachable and detachable in the same direction, even if the viscous fluid supply pump is installed in a narrow space, the replacement work of these is easy. Further, since the guide tube prevents the waist from being bent, the cartridge, the motor, the dry battery, the control unit, etc.
Even if they are arranged close to each other on the base, one is prevented from interfering with the operation of the other, the miniaturization of the entire pump is effectively achieved, and the pump can be installed in a narrow space without any problem.

Since the cover is transparent or translucent, each component housed in the cover can be visually observed from the outside. Therefore, not only the remaining amount of the viscous fluid in the cartridge but also the pump function itself including the drive system such as the plunger pump can be inspected.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a vertical cross-sectional view showing a viscous fluid supply pump of the present invention, FIG. 2 is a view corresponding to a view taken along an arrow II in FIG. 1, and FIG.
It is a figure equivalent to a III arrow view. The viscous fluid supply pump of the present invention is equipped with a bellows type cartridge 2, a DC motor 3 with a speed reducer, a dry battery holder 4, a control board 5, etc. on one surface (the upper surface in FIG. 1) of the pump body 1. All are covered with a transparent or translucent cover 6.
Note that FIG. 2 shows a state in which the cover 6 is removed from that of FIG.

FIG. 4 is a front view showing the pump body 1, and FIG.
FIG. 5 is a view on arrow V in FIG. 4. The pump body 1 has a substantially disc shape, and includes a main body 11 and a disc-shaped convex portion 12. As shown in FIG. 1, a hole 121 into which the outlet 21 of the cartridge 2 is screwed is formed on the upper surface of the convex portion 12. On the other hand, the other surface of pump body 1 (lower surface in FIG. 1)
A discharge port 13 is formed in the convex portion 13a connected to the refueling point in the center of the side. A screw is threaded on the peripheral surface of the convex portion 13a. The hole 121 communicates with the discharge port 13 via the passage 122, the piston chamber 123, and the passage 124. In the piston chamber 123, the plunger 31 has the main body 11
Is inserted in parallel with the plunger 31 and the plunger 31
When reciprocatingly sliding inside 23, viscous fluid such as grease in the cartridge 2 is discharged from the discharge port 13 through the outlet 21, the hole 121, the passage 122, the piston chamber 123, and the passage 124. A check valve 125 is provided with a spring, and is provided at the outlet of the piston chamber 123 so as to prevent the backflow of the viscous fluid flowing to the discharge port 13.

The cartridge 2 is fixed to the upper surface of the pump body 1 in an upright state by screwing the outlet 21 into the hole 121. Since the outlet 21 is screwed into the hole 121, the cartridge 2 can be attached and removed vertically. Reference numeral 22 denotes a cylindrical transparent or translucent guide tube for maintaining the standing state of the cartridge 2.
Is attached to the convex portion 12 while covering the periphery of the cartridge 2. FIG. 6 is a vertical sectional view showing the guide tube 22, and FIG. 7 is a view on arrow VII of FIG. Inward projections 221 are formed at three locations on the lower edge of the guide cylinder 22 at equal intervals in the circumferential direction. On the other hand, as shown in FIG. 4, on the upper peripheral surface of the convex portion 12 of the pump body 1, a groove 222 into which the protrusion 221 can be fitted is continuously formed in the circumferential direction. Reference numeral 223 is a notch portion formed by notching a part of the groove 222 so as to open upward, and is formed at three locations at equal intervals in the circumferential direction. Guide tube 22
Is attached to the protrusion 12 by fitting the protrusion 221 into the groove 222 from the notch 223 and rotating it to displace the protrusion 221 from the notch 223, and by performing the reverse operation. , Is supposed to be removed. That is, the guide cylinder 22 is attachable to and detachable from the pump body 1 in the vertical direction.

The motor 3 is installed on the step portion 126 (FIG. 4) of the convex portion 12 and the projecting portion 111 on the upper surface of the main body 11 by bolting at four points. A cam mechanism 33 and a crank lever 34 are arranged in the space 32 below the motor 3. The cam mechanism 33 is connected to the output shaft 33a of the motor 3, the crank lever 34 connects the cam mechanism 33 and the plunger 31, and the rotational output of the motor 3 passes through the cam mechanism 33 and the crank lever 34, and then to the plunger. It can be changed to 31 reciprocating motions.

FIG. 8 is a perspective view showing a mounted state of the dry battery holder 4, and FIG. 9 is a sectional view taken along line IX-IX of FIG. The holder 4 is a box that stores three dry batteries 41 in series here, and has a positive electrode terminal 42 and a negative electrode terminal 43 on the upper surface. A pressing plate 44 is bolted to the side surface of the holder 4. The pressing plate 44 has a lateral intermediate portion 44a formed in a wavy shape, and a gap 44b is formed between the pressing plate 44 and the side surface of the holder 4.
have. Reference numeral 45 is an L-shaped mounting plate fixed to the upper surface of the main body 11 by bolts. The holder 4 is attached to the mounting plate 45 by fitting the rising portion 45a of the mounting plate 45 into the gap 44b and pressing the rising portion 45a. That is, the holder 4 is attachable / detachable to / from the mounting plate 45, and the attachment / detachment is performed in the vertical direction. 51 is both terminals 4
Connection terminals 2 and 43 are connected to the control board 5. The control board 5 is connected to the motor 3. The control board 5 has an activation timer and an activation timer. The startup timer is, for example, 1 hour, 2 hours,
Either 4 hours or 8 hours can be selected, and the operation timer can select, for example, 0 to 6 seconds every 1 second. The control board 5 sets the start timer to, for example, 4 hours, and the operation timer to 3 seconds,
The motor 3 is controlled to operate every 4 hours for 3 seconds. The amount of viscous fluid in the cartridge 2 is
The dry battery 41 is set so that it will almost disappear when the life of the dry battery 41 is exhausted.

FIG. 10 is a longitudinal sectional view showing the cover 6, FIG.
FIG. 11 is a view on arrow XI of FIG. The cover 6 is attached to the pump body 1 so as to cover the cartridge 2, the motor 3, the holder 4, the control board 5, and the like. Inward projections 61 are formed on the lower edge of the cover 6 at three locations at equal intervals in the circumferential direction. On the other hand, on the peripheral surface of the main body 11 of the pump body 1, as shown in FIG. 4, a groove 62 into which the protrusion 61 can be fitted.
Are continuously formed in the circumferential direction. Reference numeral 63 is a notch portion which is formed by notching a part of the groove 62 so as to open upward, and is formed at three positions at equal intervals in the circumferential direction. The cover 6 has a protrusion 61.
The main body 1 is inserted into the groove 62 from the cutout portion 63 and rotated to displace the protrusion 61 from the cutout portion 63.
It is attached to No. 1 and can be removed by performing the reverse operation. That is, the cover 6 is attachable to and detachable from the pump body 1 in the vertical direction. Reference numeral 64 is a stopper projection formed in the groove 62 for stopping the rotation of the cover 6 along the groove 62.

As shown in FIG. 1, a bottomed cylindrical spring holder 71 is placed on the upper surface of the cartridge 2. Inside the spring holder 71, a spring 7 is provided between the upper surface of the cover 6 and the cartridge 2. Are housed so as to urge them in opposite directions.

Next, the operation of the viscous fluid supply pump having the above structure will be described. In the state shown in FIG. 1, when the motor 3 operates under the control of the control board 5, the plunger 3 is moved through the cam mechanism 33 and the crank lever 34.
1 reciprocates, viscous fluid in the cartridge 2 exits 2
1, hole 121, passage 122, piston chamber 123, passage 1
It is discharged from the discharge port 13 via 24. At this time, the check valve 125 prevents the backflow of the viscous fluid. Also,
Since the cartridge 2 is always urged downward by the spring 7 provided between the cartridge 2 and the cover 6, the viscous fluid in the cartridge 2 is always pushed out from the outlet 21. The suction of the fluid is promoted, and the discharge of the viscous fluid is performed well.
Further, since the guide cylinder 21 prevents the cartridge 2 from bending, the viscous fluid can be discharged well from this point as well. Although the entire viscous fluid supply pump vibrates due to the operation of the motor 3, the projection 221 of the guide cylinder 22 is fitted into the groove 222, and the cover 6 is fitted with the projection 61 into the groove 62. Sometimes it does not come off from the pump body 1. In particular, since the cover 6 is biased upward by the spring 7, the projection 61 is strongly hooked to the upper edge of the groove 62, and is hard to come off.

In the viscous fluid supply pump having the above structure,
The replacement work of the cartridge 2 and the dry battery 41 is performed as follows. First, in the cover 6, the protrusion 61 has a notch 63.
It is rotated so as to come to the position of, and pulled up to be removed from the main body 11 of the pump body 1. Next, when removing the cartridge 2, first, the guide tube 22 is rotated so that the protrusion 221 is located at the notch 223, and is pulled upward to remove it from the protrusion 12 of the pump body 1. Then, the cartridge 2 is rotated, the outlet 21 is pulled out from the hole 121, and the cartridge is pulled upward. Further, when the dry battery 41 is removed, the holder 4 is mounted so that the standing portion 45a of the mounting plate 45 has the gap 4
4B is pulled up while resisting the pressing force of the pressing plate 44, and the holder 4 is opened and the dry battery 41 is taken out. The attachment of the new cartridge 2 and the dry battery 41 may be carried out by reversing the above operation.

Since both the cartridge 2 and the dry battery 41 are provided on the upper surface of the pump body 1 so as to be covered by the cover 6, they can be exposed by simply removing the cover 6. Therefore, in the above replacement work, it is difficult for one to forget to replace.

Further, since the cover 6, the guide tube 22, the cartridge 2, and the holder 4 are all attached and detached in the vertical direction, that is, in the same direction, even if the viscous fluid supply pump is installed in a narrow place, the replacement work thereof is not possible. It will be easy. Further, since the guide tube 22 prevents the waist of the cartridge 2 from being bent,
Even if the cartridge 2, the motor 3, the holder 4, the control board 5 and the like are arranged close to each other on the pump body 1, it is possible to prevent one of them from interfering with the operation of the other, thus reducing the size of the entire pump. Effectively designed, it can be installed in a small space without any problem.

Since the cover 6 and the guide cylinder 22 are transparent or semi-transparent, each component housed in the cover 6 can be visually observed from the outside. Therefore, the cartridge 2
In addition to the remaining amount of the viscous fluid inside, the pump function itself including the drive system such as the plunger 31 can be inspected.

[0020]

As described above, according to the viscous fluid supply pump of the present invention, the cartridge 2 is mounted on the upper surface of the pump body 1, and the motor 3, the dry battery 41, and the control board 5 are mounted. And the cartridge 2
The pump body 1 is erected upright in a guide cylinder 22 that is detachably attached to the upper surface of the pump body 1, and the dry batteries 41 are detachably attached in the vertical direction while being housed in the holder 4. A transparent or semi-transparent cover 6 that covers the cartridge 2, the motor 3, the dry battery 41, and the control board 5 is detachably fixed to the pump body 1. Since the outlet 13 is formed, the following effects (1) to (3) are obtained.

(1) Since both the cartridge 2 and the dry battery 41 are provided on the upper surface of the pump body 1 so as to be covered by the cover 6, it is possible to prevent forgetting to replace one of them during replacement work.

(2) Since the cartridge 2 and the holder 4 are both attachable / detachable in the vertical direction, that is, in the same direction, even if the viscous fluid supply pump is installed in a narrow place, they can be replaced easily. . Further, since the guide tube 22 can prevent the cartridge 2 from bending, even if the cartridge 2, the motor 3, the holder 4, the control board 5 and the like are arranged close to each other on the pump body 1, one of them operates the other. It can be prevented from interfering with the pump, the size of the entire pump can be effectively reduced, and the pump can be installed in a narrow place without any problem.

(3) Since the cover 6 is transparent or translucent, each component housed in the cover 6 can be visually observed from the outside. Therefore, not only the remaining amount of the viscous fluid in the cartridge 2 but also the pump function itself including the drive system such as the plunger 31 can be inspected.

Further, in the above embodiment, the holder 4 is mounted on the mounting plate 45 by inserting the upright portion 45a of the mounting plate 45 into the gap 44b and pressing it with the pressing plate 44. It can be attached / detached simply by moving it to and can be easily attached / detached.

Further, in the above embodiment, since the spring 7 is interposed between the upper surface of the cartridge 2 and the upper surface of the cover 6, the viscous fluid can be satisfactorily discharged from the cartridge 2. It is possible to reliably prevent the cover 6 from coming off the pump body 1 during operation.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing a viscous fluid supply pump of the present invention.

FIG. 2 is a view corresponding to a view on arrow II in FIG.

FIG. 3 is a view corresponding to a view on arrow III in FIG. 2.

FIG. 4 is a front view showing a pump body.

5 is a view on arrow V in FIG. 4. FIG.

FIG. 6 is a vertical sectional view showing a guide cylinder.

FIG. 7 is a view on arrow VII of FIG.

FIG. 8 is a perspective view showing a mounted state of a dry battery holder.

9 is a sectional view taken along line IX-IX in FIG.

FIG. 10 is a vertical sectional view showing a cover.

11 is a view as viewed in the direction of the arrow XI in FIG. 10;

[Explanation of symbols]

 1 Pump body (base) 2 Bellows type cartridge 3 Motor with reduction gear 4 Dry battery holder 5 Control board (control part) 6 Cover 7 Spring 13 Discharge port 41 Dry battery 44 Press plate 44b Gap 45 Mounting plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-50-59802 (JP, A) real-opening Sho 63-40698 (JP, U) real-opening Sho-56-14201 (JP, U) real-opening Sho 61- 43980 (JP, U) Showa 58-26040 (JP, Y2)

Claims (2)

(57) [Scope of utility model registration request] 1. A viscous fluid which sucks and discharges a viscous fluid from the cartridge according to a predetermined control from a control unit by a plunger pump interlocked with a bellows type cartridge containing a viscous fluid and driven by a motor driven by a dry cell. A fluid supply pump, wherein the cartridge is mounted on one surface side of a substantially plate-shaped base, and the motor, the dry battery, and the control unit are mounted on the one surface side of the base. Mounted upright in a cylindrical transparent or semi-transparent guide tube detachably attached to the holder, the dry battery is housed in a holder, and a pressing plate is provided on the side surface of the holder. In the holder, the mounting plate fixed to the base is fitted in the gap between the pressing plate and the pressing plate to press the cartridge in the attaching / detaching direction of the cartridge. It is detachably attached in the same direction, and a transparent or semitransparent cover that covers the cartridge, the motor, the dry battery, and the control unit is detachably fixed to the base. A viscous fluid supply pump characterized in that a viscous fluid discharge port is formed on the surface side. 2. The viscous fluid supply according to claim 1, further comprising a spring interposed between the cover and the surface of the cartridge opposite to the base, the spring biasing the cover and the cover in opposite directions. pump.