JPH08238185A - Fryer - Google Patents

Abstract

PURPOSE: To improve the rotating operability of a device by providing a cam on one of a carrier and a heating device, providing a cam follower on the other, and providing a use position hold section holding the cam follower at the use position and a nonuse position hold section holding the cam follower at the nonuse position on a cam face. CONSTITUTION: A positioning/holding device 40 is provided on the arm 32 of a heating device 30, and the positioning/holding device 40 is constituted of a cam 41, a cam follower 42, and a spring 43. The cam 41 is provided on a back guard 21 via a support shaft 23. A use position hold section 41b1 , an intermediate position hold section 41b2 , and a nonuse position hold section 41b3 coupling and holding the cam follower 42 at the use position, intermediate position, and nonuse position of the heating device 30 are formed on a cam face 41b respectively. The cam follower 42 is excited to the cam 41 by the spring 43. Since each coupling is elastically held by the spring 43, the heating device 30 can be vertically rotated merely by a hand, and the operability is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fryer for heating oil (edible oil) to fried foods such as fish and vegetables.

[0002]

2. Description of the Related Art As one of the fryer of this type, a heating unit is supported in the oil in the oil tank so that the heating section is supported by a support member so as to be vertically rotatable above the surface of the oil contained in the oil tank. Some of them are provided with a heating device that is held in a used position to be housed and in a non-use position where the heating part is lifted above the oil level in the oil tank.
No. 819 publication.

In the fryer shown in the above-mentioned publication, a control box is rotatably assembled on the upper part of a pair of columns fixed to the upper surface of a main body having an oil tank, and a heating device is attached to the control box. Is integrally assembled, and a support bar that can be undulated and spring-biased in the upright direction is rotatably assembled to the column below the control box. For this reason, in this fryer, when the control box is rotated so that the heating device goes out of the oil tank, the support bar is rotated and erected by the biasing force of the spring to enter between the control box and the column, and the lower part of the control box It is designed to regulate the rotation to the.

[0004]

In the fryer of the above publication, since the support bar is rotatably erected by the urging force of the spring (spring body), the heating device is held outside the oil tank. Although the operation can be performed with one hand, the operation to return the heating device that has been taken out of the oil tank to the original is to lift the heating device with one hand and use the other hand to resist the support bar against the spring. It is necessary to perform a two-handed operation in which the heating device is rotated, and the heating device is sequentially lifted and returned to the original position in this state, and there is room for improvement in operability. Further, in the fryer of the above publication, when the hand holding the heating device slips off during the work of returning the heating device to the original position, the heating device may drop suddenly into the oil tank. The present invention has been made to address the above-mentioned problems, and an object thereof is to provide a fryer with good operability in rotating a heating device.

[0005]

In order to achieve the above object, according to the present invention, the support is rotatably supported in a vertical direction above a surface of oil contained in an oil tank. In a fryer equipped with a heating device, wherein a heating position is accommodated in the oil in the oil tank and a heating position is maintained in the non-use position where the heating part is lifted above the oil level in the oil tank, A cam is integrally provided on the support or the heating device, and a cam follower that is biased by a spring toward the cam and elastically engages the cam surface of the cam is provided on the heating device or the support. A use position holding portion that holds the cam follower at the use position and a non-use position holding portion that holds the cam follower at the non-use position are provided on the cam surface of the cam. In this case, it is desirable that the biasing force of the spring be increased as the cam follower moves from the unused position holding portion provided on the cam surface of the cam to the used position holding portion.

[0006]

In the fryer according to the present invention, when the heating device is in the use position, the cam follower engages with the use position holding portion provided on the cam surface of the cam, and the heating device is in the non-use position. At this time, since the cam follower is engaged with the unused position holding portion provided on the cam surface of the cam, and each engagement is elastically held by the spring, the heating device is operated by the cam, the cam follower and the spring. And held in the non-use position.

By the way, since the holding of the heating device in the use position and the non-use position is elastic by a spring, an operator can rotate the heating device upward from the use position to the non-use position. For example, in the initial stage, the cam follower is disengaged from the use position holding portion provided on the cam surface of the cam,
In the final stage, that is, when the heating device reaches the non-use position, the cam follower engages with the non-use position holding portion provided on the cam surface of the cam. On the other hand, when the worker pivots the heating device downward from the non-use position toward the use position, the cam follower is disengaged from the non-use position holding portion provided on the cam surface of the cam in the initial stage, In the final stage, that is, when the heating device reaches the use position, the cam follower engages with the use position holding portion provided on the cam surface of the cam.

As described above, in the fryer according to the present invention, the heating device is moved from the use position to the non-use position or the non-use position by a simple operation that can be performed with one hand, such as simply rotating the heating device in the vertical direction. It can be moved and held from the position to the use position, and the operability can be greatly improved.

Further, in the fryer of the present invention, when the cam follower is constructed so that the biasing force of the spring increases as the cam follower moves from the unused position holding portion provided on the cam surface of the cam to the used position holding portion, The spring elastically suppresses the transition of the cam follower to the use position holding part, so even if the hand holding the heating device slips off during the work of returning the heating device from the non-use position to the use position, the heating The device does not suddenly drop into the oil tank, and it is possible to prevent the oil in the oil tank from scattering outside the oil tank when the heating device falls.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show the upper part of a fryer A according to the present invention, in which the main body 1
An oil tank 20 and a heating device 30 are attached to the upper part of 0. The oil tank 20 accommodates edible oil up to the level shown by phantom lines, and a back guard 21 that stands upright is integrally formed at the rear portion (right end portion in the drawing). The back guard 21 functions as a support for supporting the heating device 30 in addition to its original function (function of protecting the back), and is formed in a hollow shape.

The heating device 30 includes a pair of left and right arms 31,
32, a support box 33, three sheath heaters 34, 35, 36 known per se, and a handle 37. Each of the arms 31 and 32 is attached to the support shafts 22 and 23 fixed to the side wall of the back guard 21 at their base ends so as to be vertically rotatable. The support box 33 is integrally assembled to the tips of both arms 31 and 32 using screws 38, and is formed in a hollow shape. Each of the sheathed heaters 34, 35, 36 is a heating unit that heats the cooking oil in the oil tank 20 by energization, and is fixed to the front wall of the support box 33 and extends forward, and is a lead wire for energization. (Not shown) is led out through the support box 33 and connected to a control box (a control device (not shown) that controls the energization of each sheath heater 34, 35, 36). Handle 37
Is for rotating the heating device 30 in the vertical direction, and is fixed to the tip of each sheath heater 34, 35, 36 and extends forward along the inner surface of the oil tank 20.
It extends to the front edge of 0.

By the way, in this embodiment, the positioning and holding device 40 is attached to the right side of the right arm 32 of the heating device 30. The positioning holding device 40 is
The heating device 30 is for holding the heating device 30 at the use position (solid line position in FIG. 2), the intermediate position (dotted line position in FIG. 2) or the non-use position (dotted line position in FIG. 2), respectively. And, as shown in detail in FIG. 4, it is constituted by a cam 41, a cam follower 42, a spring 43 and the like.

The cam 41, as shown in FIGS.
An end surface of the arm support shaft portion 23b (a portion that rotatably supports the arm 32) of the support shaft 23 by the nut 44, which is non-rotatably fitted to the non-circular screw shaft portion 23a of the support shaft 23 through the non-circular mounting hole 41a. Is fixed to the back guard 21 through the support shaft 23,
On the cam surface 41b, a use position holding portion (recess) 41b1, an intermediate position holding portion (recess) 41b2, and a cam follower 42 are engaged and held at the use position, the intermediate position, and the non-use position of the heating device 30, respectively. Non-use position holding part (recess)
41b3 are formed respectively. Also, the cam surface 41
b is the non-use position holding portion 41b3 to the use position holding portion 41
The distance from the shaft center of the support shaft 23 is gradually increased as it shifts to b1, and the biasing force of the spring 43 (force for pressing the cam follower 42 against the cam 41) is sequentially increased. Has been done.

The cam follower 42 is provided with a shaft 42a slidably and rotatably assembled in the longitudinal direction in elongated holes 32a, 39a provided in an arm 32 and a cantilever-supported bracket 39 welded to the arm 32. And bracket 39
It is composed of a roller 42b that is integrally assembled to the shaft 42a, and is biased toward the cam 41 by a spring 43.
It is elastically engaged with 1b. The spring 43 is a tension coil spring to which a predetermined preload is applied, and is rotatably locked to the shaft 42a of the cam follower 42 at the tip,
The rear end is engaged with the spring mounting shaft portion 23c of the support shaft 23 to urge the cam follower 42 toward the cam 41.

In the fryer A of this embodiment constructed as described above, when the heating device 30 is in the use position,
When the cam follower 42 engages with the use position holding portion 41b1 provided on the cam surface 41b of the cam 41 and the heating device 30 is at the intermediate position, the cam follower 42 has the intermediate position holding portion 41b2 provided on the cam surface 41b of the cam 41. When the heating device 30 is in the non-use position, the cam follower 42 is engaged with the non-use position holding portion 41b3 provided on the cam surface 41b of the cam 41, and each engagement is repelled by the spring. The heating device 30 is held in the use position, the intermediate position, and the non-use position by the cam 41, the cam follower 42, and the spring 43, respectively.

By the way, since the holding of the heating device 30 at the use position, the intermediate position and the non-use position is repulsive by the spring 43, the operator moves the heating device 30 from the use position to the non-use position. If the cam follower 42 is rotated upward, the cam follower 42 is disengaged from the use position holding portion 41b1 provided on the cam surface 41b of the cam 41 in the initial stage, and the cam follower 42 moves the cam surface 41b of the cam 41 in the middle period.
The non-use of the cam follower 42 provided on the cam surface 41b of the cam 41 at the final stage, that is, when the heating device reaches the non-use position, after being temporarily disengaged with the intermediate position holding portion 41b2 provided in It engages with the position holding portion 41b3.
On the other hand, when the worker pivots the heating device 30 downward from the non-use position toward the use position, the cam follower 42 engages with the non-use position holding portion 41b3 provided on the cam surface 41b of the cam 41 in the initial stage. In the middle period, the cam follower 42 temporarily disengages from the intermediate position holding portion 41b2 provided on the cam surface 41b of the cam 41 and then disengages, and the final stage, that is, the heating device 30 reaches the use position. When the cam follower 42 moves, the cam surface 41b of the cam 41
It engages with the use position holding portion 41b1 provided on the.

As described above, in the fryer A of this embodiment, the heating device 30 is changed from the use position to the non-use position by a simple operation that can be performed with one hand, such as simply rotating the heating device 30 in the vertical direction. Or moving from the non-use position to the use position to hold the heating device 30 in each of the use position, the intermediate position and the non-use position,
The operability can be greatly improved.

Further, in the fryer A of this embodiment,
Since the cam follower 42 is configured such that the biasing force of the spring 43 increases as the cam follower 42 shifts from the unused position holding portion 41b3 provided on the cam surface 41b of the cam 41 to the used position holding portion 41b1, the spring 43 uses the cam follower 42 at the used position. Even if the hand holding the heating device 30 slips off during the work of returning the heating device 30 from the non-use position to the use position, the effect of elastically suppressing the transfer to the holding portion 41b3 is obtained. The device 30 does not suddenly drop into the oil tank 20, and it is possible to prevent the oil in the oil tank 20 from scattering outside the oil tank 20 when the heating device 30 falls.

In the embodiment described above, the cam 41 is provided on the back guard 21 and the cam follower 42 is provided on the heating device 30 to implement the present invention. However, the cam follower is provided on the back guard (support) and the heating device is provided. It is also possible to implement the present invention by providing a cam on the.
Further, in the above-described embodiment, the spring that biases the cam follower 42 toward the cam 41 is rotatably locked to the shaft 42a of the cam follower 42 at the front end and the spring mounting shaft of the support shaft 23 at the rear end. Although the present invention has been implemented by using the tension coil spring 43 which is locked and attached to the portion 23c, it is engaged with the arm 32 or the bracket 39 at the front end and is rotatable about the shaft 42a of the cam follower 42 at the rear end. It is also possible to employ engaging compression coil springs to practice the invention.

In the above embodiment, the cam 4
As the cam surface 41b of No. 1 moves from the non-use position holding portion 41b3 to the use position holding portion 41b1, the support shaft 23
Is formed so that the distance from the shaft center of the cam follower gradually increases, and the tip end is rotatably locked to the shaft 42a of the cam follower 42 and the rear end is locked to the spring mounting shaft portion 23c of the support shaft 23 to be mounted. Although the urging force of the tension coil spring 43 thus obtained is sequentially increased (the cam surface shape of the cam is devised so as to meet the requirement), the cam surface 41 of the cam 41 is
b is formed in an arc shape centering on the axis of the support shaft 23, and the rear end of the tension coil spring 43 is locked to a pin fixed to the back guard 21 or the main body 10 behind the support shaft 23, The cam follower is configured so that the urging force of the spring increases as the non-use position holding part provided on the cam surface of the cam shifts to the use position holding part (the structure of the spring is devised to meet the requirement). It is also possible to implement the present invention.

Further, in the above-described embodiment, the heating device 30 includes the pair of left and right arms 31, 32, the support box 33, and three sheathed heaters 34, known per se.
35 and 36 and the handle 37, the pair of left and right arms 31 and 32 and the pair of left and right arms 310 and 320 shown in FIG.
It is also possible to adopt and implement the support box 330.

Each of the arms 310 and 320 has an opening for fitting the end of the support box 330 inside the tip, as shown in FIGS. 7 and 8 using the right arm 320 as an example, and is hollow. A screw hole 322 is formed so as to be connected to the support box 330 with a screw 38. The left arm 310 integrally has a support shaft 311 corresponding to the support shaft 22 of the above-described embodiment, and this support shaft 311 is a hollow shaft and is rotatably assembled to the left side wall of the back guard 21. It is like this. On the other hand, in the right arm 320, a mounting hole 321 for rotatably assembling to the support shaft 23 fixed to the right wall of the back guard 21 is formed as in the above embodiment.

As shown in FIG. 9, the support box 330 is formed in a hollow shape by a main body 331 and a lid body 332. The main body 331 has an opening that is covered by the lid body 332 at a portion which becomes a lower surface at the time of assembly, and a slit S into which the bent tip portion 332a of the lid body 332 is fitted is formed at the tip portion thereof. There is. In addition, as shown in FIGS. 6, 9 and 10, the main body 331 has screw holes 33.
Two 1a are provided on each side wall and three are provided on the bottom wall, and the lead wire of each sheath heater is led out from the support box 330 to the hollow shaft 311 on the back wall as shown in FIG. A through hole 331b for guiding is provided, and a mounting hole 331c for mounting each sheath heater is provided on the front wall as shown in FIGS. 6 and 10. A bush (not shown) for protecting the lead wire of each sheath heater is attached to the through hole 331b. The lid 332 is formed to have the same width as the main body 331, and has three screw holes (not shown) that coincide with the screw holes 331a provided in the bottom wall of the main body 331.

In the heating device constructed by adopting the arms 310 and 320 and the support box 330, the support box 330 has the structure in which the main body 331 and the lid 332 are assembled as shown in FIG. The oil that flows from the front end side to the rear end side of the bottom surface of the 330 does not flow into the support box 330. In addition, the lead wires of each sheath heater can be guided from the inside of the support box 330 into the back guard 21 through the hollow arm 310 on the left side and the hollow support shaft 311 so that the lead wires of each sheath heater are not exposed to the outside. Can be configured to.

[Brief description of drawings]

FIG. 1 is a plan view of a fryer embodying the present invention.

FIG. 2 is a partially cutaway right side view showing a main part of the fryer shown in FIG.

FIG. 3 is an enlarged perspective view of a positioning and holding device portion of the fryer shown in FIG.

4 is an exploded perspective view of the positioning and holding device shown in FIG.

5 is a side view of the cam shown in FIGS. 3 and 4. FIG.

FIG. 6 is a perspective view of a main part showing a modified example of the heating device.

FIG. 7 is a plan view of the right arm shown in FIG.

FIG. 8 is a left side view of the arm shown in FIG.

9 is a left side view of the support box shown in FIG. 6 before assembly.

10 is a front view of the main body of the support box shown in FIGS. 6 and 9. FIG.

11 is a bottom view of the main body of the support box shown in FIGS. 6 and 9. FIG.

12 is a rear view of the main body of the support box shown in FIGS. 6 and 9. FIG.

[Explanation of symbols]

10 ... Main body, 20 ... Oil tank, 21 ... Back guard, 30 ...
Heating device, 41 ... Cam, 41b ... Cam surface, 41b1 ... Use position holding part, 41b3 ... Non-use position holding part, 42 ... Cam follower, 43 ... Spring, A ... Flyer.

Claims (2)

[Claims] 1. A use position in which the heating portion is accommodated in the oil in the oil tank and a heating portion which is supported by a support so as to be vertically rotatable above the surface of the oil contained in the oil tank. In a fryer equipped with a heating device, each of which is held in a non-use position in which the oil is lifted above the oil level in the oil tank, a cam is integrally provided on the support or the heating device, and A cam follower biased by a spring toward the cam surface of the cam to elastically engage the cam surface of the heating device or the support, and the cam surface of the cam holds the cam follower at the use position. A fryer comprising a use position holding part and a non-use position holding part for holding the cam follower at the non-use position. 2. The urging force of the spring increases as the cam follower shifts from a non-use position holding portion provided on the cam surface of the cam to a use position holding portion. The flyer described in 1.