JPH0646426Y2 - Container lid device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid device for various containers such as electric pots, and more particularly to a container lid device to which a container lid for opening and closing a container is detachable.

[0002]

2. Description of the Related Art Nowadays, electric pots have become so-called wide-necked containers in which the inner diameter of the inner container is equal to the body diameter, and it is convenient for cleaning the inner surface of the inner container and for charging and discharging water. In recent years, it has become possible to remove the lid of the body, making it even more convenient.

[0003]

However, it is inconvenient to use unless the lid is easily attached and detached. Further, if the attachment / detachment is made easy, it is dangerous because the body lid is easily removed or removed easily.

In the case of an electric pot that stores hot water and is used at home, avoidance of danger is of the utmost importance, and the attaching / detaching mechanism and attaching / detaching operation of the lid tend to be complicated. This makes the product expensive and difficult to use.

Therefore, the present invention pays attention to a structure in which a spring for urging the lid in the opening direction is provided, and by skillfully utilizing this spring, the simplicity and safety of the lid attaching / detaching operation are made into a simple structure. It is an object of the present invention to provide a container lid device that can be achieved by the following.

[0006]

In order to solve the above problems, the first invention of the present application is provided with a bearing member in which a container lid is connected so as to be capable of arc rotation, and the bearing member is used as a shoulder of the container. While being detachably fitted to a fitting receiving portion formed on the rear part of the portion, the body lid is between the side of the body including the bearing member,
A helix spring for urging the bearing member from the closed posture along the shoulder of the body to the posture opened to a predetermined open angle within an angle range from the posture perpendicular to the shoulder of the body is provided on the bearing member. While one end working on the body lid is fixed to the side of the body lid, the other end working on the bearing member and the shoulder side is a free end freely released therefrom, and the free end is The engagement is engaged with a retaining portion formed in the receiving portion, and the engagement is disengaged in response to an arc rotation of the vessel lid to an opening angle exceeding the predetermined opening angle. It is a thing.

According to a second aspect of the present invention, a locking member is provided in the fitting receiving portion for elastically engaging the retaining member when the bearing member is fitted to prevent the retaining member from coming off. It is characterized in that an operating portion for releasing the locking by an external operation is provided.

[0008]

In the above-mentioned structure of the first invention of the present application, when the bearing member is mounted on the fitting receiving portion of the shoulder portion of the body lid, the coil spring is provided on the side of the body lid, the bearing member and the fitting receiving portion side. Working with
Since the body lid is urged in the opening direction, for example, if the lid is normally locked in the closed position and then only released, the lid is moved beyond the vertical position with respect to the shoulder where the vine spring works. It is possible to automatically open to the open position with a predetermined opening angle, and in this state the coil spring is restored to its natural shape and does not urge the lid of the body further in the opening direction, and does not exceed the vertical posture. Since the free end catches the body lid that tries to return in the closing direction between the fitting end and the free end, the body lid is stabilized in the posture of the predetermined opening angle so that it can be freely opened and closed further. Can be

Further, while the body lid is in the posture from the closed posture to the predetermined opening angle, the free end portion of the coil spring tries to maintain the position corresponding to the rotational position of the body lid, and the fitting receiving portion. Since it keeps the state that it is pressed against the side and engaged with the retaining part provided on the fitting receiving part, the bearing member is prevented from coming off the fitting receiving part of the shoulder part and the body lid is firmly locked in the mounted state. You can keep it.

When the body lid is arc-rotated to the open posture exceeding the predetermined opening angle, the spiral spring returning to the natural shape or a state close to the natural shape immediately or completely returns to the free shape. Since the free end portion is moved in the direction away from the fitting receiving portion side, the engagement with the retaining portion is released, and the retaining member of the fitting receiving portion is released and the bearing member is fitted. The body lid can be removed by pulling it out from the receiving portion.

Further, when the bearing member is fitted into the fitting receiving portion and the body lid is tilted to the posture within the predetermined opening angle, the coil spring responds to this and the free end portion is prevented from slipping off on the fitting receiving portion side. It is possible to automatically engage with the section to prevent the bearing member from coming off and to lock the body lid in the mounted state, and at the same time, the body lid is stabilized in the open position with the predetermined opening angle, and is further opened. It can be closed freely.

In the above-mentioned structure of the second invention of the present application, in the first invention, the bearing member mounted on the fitting receiving portion is locked by the engagement with the locking member on the fitting receiving portion side and is pulled out. Since it is stopped, it is possible to prevent the disengagement by the coil spring and also to realize double safety with respect to careless removal of the body lid. Moreover, the body lid is opened by one hand to the open position of a predetermined opening angle or more, and the other hand is used to unlock the locking member, and the body lid is lifted by the one hand. The unlocking and removal of the vessel lid can be achieved by simultaneous operation.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described in detail below with reference to FIGS.

This embodiment shows a case of an electric pot capable of boiling water and pouring the content liquid by a non-pressurized type electric pump.

As shown in FIG. 1, an inner container 2 in which a heater 61 is applied to the lower surface of a bottom is housed in an outer case 3 to form a body 1. The inner container 2 receives an upper end flange by a shoulder member 4 made of synthetic resin which is forcedly fitted to the upper end of the outer case 3.

A bottom ring 5 made of synthetic resin is applied to the lower end of the outer case 3, and the bottom ring 5 and the bottom of the inner container 2 are connected by a connecting fitting (not shown) to form the outer case 3 and the inner container 2. And the bottom ring 5 are integrated with each other.

At the opening of the bottom ring 5, as shown in FIG.
0 is attached by a plurality of claws and one screw, and a rotary seat body 9 is rotatably fitted to the lower surface outer peripheral portion of the bottom lid 10 by a plurality of claws provided on the bottom cover 10 so that the body 1 is fixed. At this time, the body 3 can be rotated on the rotary seat body 9.

A pouring path 11 for pouring out the content liquid is connected to the bottom of the inner container 2. The pouring path 11 is a space between the inner container 2 and the outer case 3 and rises up into a beak-shaped projection 12 provided at the front part of the shoulder member 4, and at this part, U
The discharge port 19 is bent downward and opens downward.

In the portion of the spout 11 below the inner container 2, the content liquid flowing into the spout 11 is discharged.
A pouring pump 13 is provided for feeding the liquid to the motor, and is driven by a motor 14.

The content liquid discharged from the discharge port 19 is once opened to the atmosphere, and then provided on the lower cover 15 attached to the front part of the outer case 3 which is fitted to the lower side of the beak-shaped protrusion 12. The liquid is received by the liquid injection guide 16, guided by the liquid injection guide 16, and injected.

The liquid injection guide 16 has a double pipe structure,
The discharge content liquid is easy to be released to the atmosphere, and the outside air is sucked at the time of injection to make the injection liquid into fine bubbles together with the foam breaking net 20 so that the injection can be performed extremely quietly and without bounce. ing.

The liquid injection guide 16 is removably attached to the lower cover 15 by a screwing portion 18 to an opening provided therein. A liquid amount detection unit 21 is provided by utilizing that the rising portion of the pouring path 11 has the same liquid level as the inner container 2. A water shutoff valve 22 at the time of falling is provided immediately upstream of the bent portion of the spout passage 11.

The bottom ring 5 is provided with a circuit accommodation box 41. The circuit housing box 41 includes a lid portion 42 integrally formed with the bottom ring 5, and a container portion 44 attached to the lid portion 42 from below.

The container portion 44 and the lid portion 42 are integrated by the mutual engagement of the claws and the engagement holes, and the seal packing 47 is sandwiched between the joints of the container portion 44 and the lid portion 42 so that the circuit housing box 41 serves as a hermetic container. There is. This makes the circuit board 48 housed in the circuit housing box 41 waterproof enough.

A body lid 62 is provided on the upper end of the body 1. The body lid 62 has a hinge pin 6 attached to the shoulder member 4 at the rear portion thereof.
It is pivotally attached by means of 3. This pivoting is performed on the bearing member 64 that is detachably fitted into the recess 66 of the shoulder member 4 from above, and the body lid 62 can be attached and detached by attaching and detaching the bearing member 64 to and from the recess 66. This makes it easy to clean the inside of the container 1 and to supply and discharge the content liquid.

As shown clearly in FIGS. 2, 7, 9, and 10, the hinge pin 63 is provided with a spiral spring 68, and the body cover 62 is fitted with a bearing member 64. It is urged in the opening direction between and.

The urging of the spiral spring 68 against the vessel lid 62 is such that the vessel lid 62 has a natural shape that works up to the naturally opened posture shown in FIGS. 6 and 7. 6 and 7
In the natural open posture, the coil spring 68 is slightly compressed due to the balance with the weight of the body lid 62.

One end 68a of the spiral spring 68 is fixed to the side of the body lid 62 by being sandwiched between the body lid 62 and the back plate 94, and the other end 68b is a free end portion. Therefore, the free end portion 68b tends to rotate in unison with the hinge pin 63 of the body lid 62 in response to the opening and closing of the lid 68.

When the body lid 62 is in the naturally open posture shown in FIGS. 6 and 7, or when the vine spring 68 is in the closed posture side rather than the open posture in which it is compressed by the balance with the weight of the body lid 62, the vine is closed. The coil spring 68 has one end 68a and a free end 68b.
The free end 68b is compressed from its natural shape by
Is pressed against the rear wall of the recess 66. Further, when the body lid 62 is in the natural open posture shown in FIGS. 6 and 7, the coil spring 68 returns to the natural shape or a state close to it, and the body lid 62 is rotated in the opening direction beyond the natural open posture. Coil spring 6 when moved
8 rotates together with the container lid 62, and the free end 68b moves away from the rear wall of the recess 66 as shown in FIGS.

In this embodiment, the free end portion 68 of the coil spring 68 is used.
By utilizing the fact that b responds to the rotation of the body lid 62 as described above, the rear wall of the concave portion 66 while the body lid 62 is in the rotation range from the natural open posture to the closed posture. The bearing member 64 is prevented from coming off by engaging with the retaining portion 67 provided on the inner surface, and the body lid 62 is locked in the mounted state.

When the body lid 62 is rotated further in the opening direction beyond the naturally opened posture, the bevel spring 68 is compressed in the natural opened posture due to the balance with the weight of the body lid 62. The deformed portion is gradually restored, and finally becomes a natural shape so that the free end portion 68b responds to the opening operation of the body lid 62 and makes an arc rotation, so that the body lid 62 is moved to FIG. The free end portion 68b is disengaged from the retaining portion 67 to release the lock when the opened posture is larger than the vertical posture shown in FIG.

FIG. 10 shows an example of the turning state of the coil spring 68 in response to the opening / closing operation of the body lid 62 as described above.

In the present embodiment, the hook lever 69 rotatably fitted to the hinge pin 63 for the above-mentioned locking.
Is provided. The hook lever 69 is the coil spring 6 described above.
8 is engaged with a free end portion 68b of the hook 8 and can rotate integrally with each other.
6 is engaged with and disengaged from a retaining portion 67 integrally formed on the inner surface of the rear wall.

Therefore, by placing the body lid 62 in a posture in which it is rotated in the opening direction further than the naturally opened posture,
The bearing member 64 can be fitted into or pulled out from the recess 66 of the shoulder member 4, and the container lid 62 can be freely attached and detached.

The bearing member 64 is replaced with the recess 66 of the shoulder member 4.
When the body lid 62 fitted to the body is slightly tilted toward the closing side from the vertical postures in FIGS. 8 and 9, the body lid 62 tends to rotate toward the closing side due to its own weight. Responsive to the hook lever 69 to move the free end 68b into the recess 6
6 is stable in the naturally opened posture in which it is pressed against the rear wall of 6, and the hook lever 69 engages with the retaining portion 67.

Further, a pair of left and right engaging members 88 for manual operation are provided below the recess 66 in the shoulder member 4. The locking member 88 is, as shown in FIGS. 1 to 7, a recess 66 of the shoulder member 4.
Has an operating portion 88a and an upward hook 88b that project to the left and right sides of the lower part of the, and is provided so as to be separable from each other, and a spring 89 that acts to push and separate each other is provided between both. There is. Thereby, the bearing member 6
When the 4 is fitted into the recess 66 of the shoulder member 4 from above, the engaging holes 91 provided on both sides of the lower end portion of the bearing member 64.
The hook 88b of each locking member 88 is elastically engaged from the inside to lock the vessel lid 62 in the arrival state.

Therefore, the vessel lid 62 has this locking member 88.
Since it cannot be removed without releasing the lock by the
No. 2 is doubly locked to prevent accidental removal.

However, in order for the user or the like to intentionally remove the body lid 62, the body lid 62 is further rotated with one hand in the opening direction from the natural open position, and each of the pair of locking members 88 is removed. By manipulating the operation part 88a by sandwiching the operating part 88a from the left and right sides with the fingers of the other hand, it is possible to release the locking of the body lid 62 and remove the body lid 62 by this release simultaneously and easily. It can be achieved reliably.

The same result can be obtained by directly engaging and disengaging the free end portion 68b of the coil spring 68 with the retaining portion 67 instead of the hook lever 69.

As for the closed posture of the body lid 62, the lock member 91 provided at the front end portion of the body lid 62 is engaged with the locking portion 93 provided at a part of the shoulder member 4 by the bias of the spring 92. Locked by.

The lock member 91 is guided forward and backward by a projection 95 formed on the upper surface of the back plate 94 of the body lid 62.

On the slope 96 of the lock member 91, the container lid 6 is attached.
The projection 101 at the tip of the lock release lever 99 pivotally attached at the rear by the shaft 98 is in contact with the bearing 97 in the second portion. The lock release lever 99 is the lock member 91.
When the spring 92 is advanced to the engagement position, it is pushed up by the inclined surface 96 via the projection 101, and the operation portion 102 at the tip portion is opened from the upper surface of the body lid 62 to the body lid 62. It is exposed so that it is flush with the surface of.

When the operation portion 102 is pushed down in this state, the lock release lever 99 is rotated counterclockwise and the projection 1
01 pushes the slope 96 of the lock member 91 to retract the lock member 91 against the spring 92, and the locking portion 93
Disengage from. Therefore, the lock of the body lid 62 in the closed state is released.

At the time of completion of this lock release, there is a play in the unlocking direction between the lock release lever 99 and the body lid 62, and the body lid 62 is released from the pressing operation of the lock release lever 99. It is slightly rotated in the opening direction by the coil spring 68 regardless of whether or not it is held.

As a result, the lock member 91 is slightly displaced upward from the position of the locking portion 93, so that the lock member 91 is again moved to the locking portion 93 by a natural operation of releasing the lock and releasing the hand from the operating portion 102. The vessel lid 62 is automatically opened by the bevel spring 68 to the natural open posture shown in FIGS. 6 and 7 without engaging. As a result, the container lid 62 can be manually opened to the open posture shown in FIGS. 8 and 9.

The unlocking lever 99 has a safety member 111.
Is working. The safety member 111 is supported by the body lid 62 so as to be slidable in the longitudinal direction of the lock release lever 99. When the slide portion is operated by the operation portion 112, the locking portion 113 is advanced and retracted below the tip end portion of the lock release lever 99, and the lock release lever 99 is prevented from moving when entering below the tip end portion. Prevents easy unlocking.

The resin spring portion 13 is provided on the rear portion of the bearing member 64.
1 is integrally formed, and is in pressure contact with a cam portion 132 formed around the base portion of the hook lever 69.

The cam portion 132 has a protruding portion 132a at which the body lid 62 starts to come into contact with the resin spring portion 131 in the naturally opened posture shown in FIG. Due to such a structure, the body lid 6
2 is released from the lock by the lock member 91 and the coil spring 6 is released.
When it is opened by 8, it comes into the abutting start state when reaching the natural open posture, and exerts resistance to the rotation in the opening direction thereafter, so that the vessel lid 62 can be received in the natural open posture and temporarily stabilized. it can.

When the body lid 62 is further rotated in the opening direction from the naturally opened posture, the cam portion 132 attempts to push the resin spring portion 131 away by the protruding portion 132a as shown in FIG. A resistance is given to the rotation, and the body lid 62 is prevented from being pivoted to a range where it is loosely unlocked in the mounted state.

On the lower surface of the back plate 94 of the body lid 62, the inner container 2
An inner lid 141 made of metal that closes the mouth of the is attached and screwed at a position not shown. A seal packing 142 facing the rim of the inner container 2 is sandwiched between the outer periphery of the inner lid 141 and the back plate 94, and when the body lid 62 is closed, the inner lid 141 is the seal packing 142 portion. The inner container 2 is closed by coming into contact with the rim of the inner container 2.

The inner container 2 is provided between the inner lid 141 and the back plate 94.
A steam passage 143 is provided to allow steam generated inside to escape to the outside. The steam passage 143 has an opening 144 to the inner container 2 side in the inner lid 141, and has an opening 145 to the outside on the rear side upper surface of the vessel lid 62. The opening 144 is provided with a valve chamber 146 which is fitted into the back plate 94 from below, and a water stop valve 147 at the time of overturning which is closed when the body 1 is overturned.

The control circuit mounted on the circuit board 48 utilizes the microcomputer 151. The pouring operation portion 152 provided on the upper surface of the beak-shaped protrusion 12 is provided so as to press the pressure sensor 153, and the pressure sensor 153 converts the difference in the pressing force during the pouring operation into an electric signal. Input to the microcomputer 151. As a result, the drive voltage of the pouring pump 13 is switched to control the pouring flow rate.

[0053]

According to the first aspect of the present invention, when the bearing member of the body lid is mounted on the fitting receiving portion of the shoulder portion, the spiral spring causes the bellows spring, the bearing member and the fitting receiving portion. Working with the side,
Since the body lid is urged in the opening direction, for example, if the lid is normally locked in the closed position and then only released, the lid is moved beyond the vertical position with respect to the shoulder where the vine spring works. It is possible to automatically open to the open position with a predetermined opening angle, and in this state the coil spring is restored to its natural shape and does not urge the lid of the body further in the opening direction, and does not exceed the vertical posture. Since the free end catches the body lid that tries to return in the closing direction between the fitting end and the free end, the body lid is stabilized in the posture of the predetermined opening angle so that it can be freely opened and closed further. Can be convenient to use.

Further, while the body lid is in the posture from the closed posture to the predetermined opening angle, the free end portion of the coil spring tries to maintain the position corresponding to the rotational position of the body lid, and the fitting receiving portion. Since it keeps the state that it is pressed against the side and engaged with the retaining part provided on the fitting receiving part, the bearing member is prevented from coming off the fitting receiving part of the shoulder part and the body lid is firmly locked in the mounted state. It is possible to prevent that the body lid comes off due to the removable body lid.

When the body lid is arc-rotated to the open posture exceeding the predetermined opening angle, the spiral spring returning to the natural shape or a state close to it is immediately or completely returned to the free shape. Since the free end portion is moved in the direction away from the fitting receiving portion side, the engagement with the retaining portion is released, and the retaining member of the fitting receiving portion is released and the bearing member is fitted. It is possible to remove the body lid by pulling it out from the joint receiving portion, and by fitting the bearing member into the fitting receiving portion and tilting the body lid into the posture within the predetermined opening angle, the coil spring will be released. In response to this, the free end is automatically engaged with the retaining portion on the side of the fitting receiving portion to prevent the bearing member from coming off and the body lid can be locked in the mounted state. Is stabilized in the open position with the specified opening angle, and should be opened and closed further Since it can be freely performed, the body lid is attached and detached only by a special operation based on a special intention though it is simple, and it is easy to operate, and the body lid may be removed carelessly. This can be avoided and the safety of use can be improved.

According to the second aspect of the present invention, in addition to the first aspect, the bearing member mounted on the fitting receiving portion is also locked by the engagement with the locking member on the fitting receiving portion side to prevent slipping off. As a result, it is possible to achieve double safety for the careless removal of the body lid with the use of the spiral spring to prevent the body lid from being opened with one hand over a predetermined opening angle or more. Along with the operation to open to the posture, unlock the locking member with the other hand and lift the body lid with the one hand to achieve unlocking and removal of the body lid at the same time. It is possible to ensure the simplicity of the operation.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of an electric pot showing a first embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of an upper portion of the electric pot of FIG.

3 is a perspective view showing a lid mounting portion of the electric pot of FIG. 1. FIG.

FIG. 4 is a perspective view showing a relationship between a bearing member of the electric pot of FIG. 1 and a locking member of a lid mounting portion.

5 is a perspective view showing a relationship between a coil spring and a hook lever provided in a lid mounting portion of the electric pot of FIG. 1. FIG.

FIG. 6 is a cross-sectional view showing a normal open state of the container lid of the electric pot of FIG.

FIG. 7 is an enlarged cross-sectional view of the main parts of FIG.

8 is a cross-sectional view showing a detachable open state of the lid of the electric pot of FIG. 1. FIG.

9 is an enlarged cross-sectional view of the main parts of FIG.

FIG. 10 is an explanatory view showing the movement of the coil spring between FIGS. 7 and 9;

[Explanation of symbols]

 1 Instrument 4 Shoulder Member 62 Instrument Lid 63 Hinge Pin 64 Bearing Member 66 Recessed portion 67 Retaining Part 68 Coil Spring 68a One End 68b Free End 69 Hook Lever 69a Hook 88 Locking Member 88a Operating Part 88b Hook 91 Engagement Hole

Claims (2)

[Scope of utility model registration request] 1. A bearing member having a body lid connected to be rotatable in an arc, the bearing member being detachably fitted to a fitting receiving portion formed at a rear portion of a shoulder portion of the body body, and a body lid. Between the side of the body including the bearing member and the posture of opening the body to a predetermined open angle within the angle range from the closed posture along the shoulder of the body to the vertical posture with respect to the shoulder of the body. A coil spring is provided on the bearing member, and one end of the coil spring that acts on the body lid is fixed to the body lid side, while the other end that acts on the bearing member and the shoulder side is freely released to them. The free end is engaged with the retaining portion formed on the fitting receiving portion, and responds to the arc rotation of the body lid to an opening angle exceeding the predetermined opening angle. The container lid device is characterized in that the engagement is disengaged. 2. The engagement receiving portion is provided with a locking member that elastically engages with the retaining portion when the bearing member is fitted and retains the retaining member, and the retaining member is externally engaged with the retaining member. The lid device for a container according to claim 1, further comprising an operation section which is opened by operation.