CN213551135U - Cooking utensil - Google Patents

Abstract

The utility model provides a cooking utensil, include: the cooker body is internally provided with a heating device; the inner pot is arranged in the pot body and is positioned above the heating device; the temperature sensing piece and the fuse that is independent of the temperature sensing piece setting, temperature sensing piece and fuse all set up in a kind of deep pot and with interior pot cooperation. The technical scheme of this application has solved the temperature measurement piece among the relevant art effectively and has become invalid easily and lead to taking place dangerous problem.

Description

Cooking utensil

Technical Field

The utility model relates to a small household electrical appliances technical field particularly, relates to a cooking utensil.

Background

At present, because the cooking utensil has the characteristic of convenient and fast food processing, the cooking utensil is widely applied to daily life of people.

In the related art, a temperature measuring part is arranged at the bottom of the container and monitors the temperature of the container, and if the temperature exceeds a preset value, the temperature measuring part can control the heating device to be directly closed. However, the temperature measuring part is easily affected by the temperature of the heating device and the magnetic field of the heating device in the using process, so that the temperature measuring part is easy to lose effectiveness, and when the temperature of the container exceeds a preset value, the temperature measuring part cannot control the heating device, so that danger is easily caused when a user uses the cooking appliance.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a cooking utensil to the temperature measurement piece that solves among the correlation technique is inefficacy easily and leads to taking place dangerous problem.

In order to achieve the above object, the present invention provides a cooking appliance, comprising: the cooker body is internally provided with a heating device; the inner pot is arranged in the pot body and is positioned above the heating device; the temperature sensing piece and the fuse that is independent of the temperature sensing piece setting, temperature sensing piece and fuse all set up in a kind of deep pot and with interior pot cooperation.

Use the technical scheme of the utility model, it is internal that a kind of deep pot is installed to interior pot, and the inside of interior pot is provided with heating device, and heating device can heat interior pot. The temperature sensing element and the fuse are arranged in the cooker body. The temperature sensing element and the fuse are both matched with the inner pot. Through setting up the temperature sensing piece, can realize the control to opening and closing of heating device. Through setting up the fuse, can play the protection to heating device. The temperature of pot in promptly surpasss the default, and the fuse then can fuse, realizes the disconnection of circuit, and then can realize controlling heating device's closing. When the temperature of interior pot was too high, temperature sensing piece and fuse homoenergetic discernment temperature, and then the temperature sensing piece can direct control heating device close, and the fuse can be fused, and then realizes closing heating device. Therefore, the temperature sensing element and the fuse can play a role in double protection, and even if any one of the temperature sensing element and the fuse fails, the temperature sensing element and the fuse still have the function of controlling the heating device, so that the danger caused by overhigh temperature of the inner pot is effectively avoided. Therefore, the technical scheme of the application effectively solves the problem that the temperature measuring piece in the related technology is easy to fail to cause danger. In addition, the temperature sensing element and the fuse which are independently arranged are more beneficial to subsequent maintenance. When one of the components is damaged, the other component is not influenced in use, and only the damaged component needs to be repaired or replaced.

Further, the distance between the temperature sensing element and the longitudinal center line L of the pot body is equal to the distance between the fuse and the longitudinal center line L of the pot body. The distance between the temperature sensing element and the fuse and the distance between the longitudinal center line L of the cooker body are equal through the arrangement, so that the temperature sensing element and the fuse are on the same circumference, the temperatures sensed by the temperature sensing element and the fuse are the same, the temperature sensing element can control the heating device to be opened and closed according to the same temperatures sensed by the fuse, and meanwhile, the fuse can be disconnected according to the same temperature control circuit sensed by the temperature sensing element, so that the heating device is controlled to be closed.

Further, cooking utensil is still including setting up the installation component in the bottom of a kind of deep pot body, and the installation component includes that support and lid establish the casing on the support, is provided with first installation space between support and the casing, and the fuse setting is in first installation space, and the fuse is laminated with the casing. The first installation space on the installation component provides an installation space for the fuse, and meanwhile, the shell is in contact with the fuse, so that the temperature sensed by the fuse is the real temperature of the inner pot, and the fuse can be more accurately controlled to be disconnected.

Further, the mounting assembly is disposed on the heating device. Be provided with the mounted position of installation component on foretell heating device, and then make the position of installation component more fixed, avoid the installation component to rock to influence the accuracy of the temperature of transmitting to the fuse.

Further, the support still includes the baffle and is located the support column of baffle below, is provided with spacing portion on the heating device, and the baffle is located the below of spacing portion and cooperates with spacing portion backstop. The backstop cooperation effect of foretell spacing portion and baffle is good, can guarantee the stable in position of installation component, avoids installation component to break away from heating device, and the support column can play the effect of support to installation component whole simultaneously.

Further, the upper surface protrusion of installation component is equipped with first elasticity in heating device's upper surface on the support column and resets, and the installation component can reciprocate under the effect that first elasticity resets. The setting of foretell first elasticity piece that resets can guarantee that the contact of installation component and interior pot is inseparabler, can guarantee like this that the fuse discerns the temperature more accurately.

Furthermore, support and casing still are provided with the second installation space, are provided with push rod and second elasticity piece that resets in the second installation space, and the top of support is provided with the opening, and the push rod is worn out the opening and can be reciprocated under the effect that the second elasticity resets. The push rod is matched with the bottom of the inner pot, and the push rod can move up and down under the action of the second elastic reset piece.

Further, the distance between the push rod and the longitudinal central line L of the pot body is smaller than the distance between the fuse and the longitudinal central line L of the pot body. The distance of the push rod from the longitudinal central line L of the pot body relative to the fuse is smaller. Thus ensuring the volume of the inner pot.

Further, cooking utensil still includes the response piece of setting in the bottom of the kind of deep pot body, and the response piece is located the below of push rod, can make the response piece trigger when the push rod moves down. The induction piece is matched with the push rod, and the push rod moves downwards to trigger the induction piece, so that the induction piece can identify the inner pot.

Further, interior pot includes the first pot body and the second pot body, and the first pot body and the second pot body are installed in a kind of deep pot body interchangeably, and the internal stirring subassembly that is provided with of first pot, stirring subassembly include the stirring and will stir the mount pad of connecting on the first pot body, and the mount pad pushes down the push rod, and the bottom of the second pot body is provided with dodges the concave part, when the second pot body is installed on a kind of deep pot body, dodges the concave part and dodges the push rod. The avoidance concave part can avoid the push rod, so that the push rod is prevented from triggering the induction part; the mount pad can push down the push rod, and then makes the push rod can trigger the response piece, and then makes the response piece can discern the first pot body and the second pot body.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic top view of an embodiment of a cooking appliance according to the present invention;

FIG. 2 shows an enlarged partial view of the cooking appliance of FIG. 1 at A;

FIG. 3 shows a cross-sectional schematic view of the cooking appliance of FIG. 1 with the first pot mounted;

FIG. 4 shows an enlarged partial view of the cooking appliance of FIG. 3 at B;

FIG. 5 shows a cross-sectional schematic view of the cooking appliance of FIG. 1 with a second pot mounted;

FIG. 6 shows a partial enlarged view at C of the cooking appliance of FIG. 5;

FIG. 7 shows a cross-sectional schematic view of the cooking appliance of FIG. 1;

FIG. 8 shows a partial enlarged view of the cooking appliance of FIG. 7 at D;

fig. 9 illustrates a perspective view of a mounting assembly of the cooking appliance of fig. 1;

FIG. 10 shows a cross-sectional schematic view of the mounting assembly of FIG. 9;

FIG. 11 is a perspective view of a portion of the mounting assembly of FIG. 9; and

fig. 12 is a schematic sectional view showing a partial structure of the mounting assembly of fig. 11.

Wherein the figures include the following reference numerals:

10. a pot body; 11. a heating device; 111. a limiting part; 20. an inner pot; 21. a first pan body; 22. a second pan body; 221. avoiding the concave part; 30. a temperature sensing member; 40. a fuse; 50. mounting the component; 51. a support; 511. a baffle plate; 512. a support pillar; 513. an opening; 52. a housing; 53. a first installation space; 54. a first elastic reset member; 55. a second installation space; 56. a push rod; 57. a second elastic reset piece; 60. a sensing member; 70. a stirring assembly; 71. a stirring member; 72. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In order to improve the control of the cooking appliance, improve the safety of the cooking appliance, and avoid the situation that the frying pan is caused by the continuous heating of the heating device, as shown in fig. 1 to 6, in the present embodiment, the cooking appliance includes: a pot body 10, an inner pot 20, a temperature sensing element 30, and a fuse 40. The heating device 11 is arranged in the cooker body 10. The inner pot 20 is installed in the pot body 10 above the heating means 11. The temperature sensing element 30 and the fuse 40 provided independently of the temperature sensing element 30 are both provided in the pot body 10 and engaged with the inner pot 20.

With the technical solution of the present embodiment, the inner pot 20 is installed in the cooker body 10, the heating device 11 is disposed inside the inner pot 20, and the heating device 11 can heat the inner pot 20. The temperature sensing element 30 and the fuse 40 are provided inside the pot body 10. The temperature sensing element 30 and the fuse 40 are both fitted to the inner pot 20. The temperature sensing member 30 is provided to control the opening and closing of the heating apparatus. The fuse 40 is provided to protect the heating device 11. Namely, the temperature of the inner pot 20 exceeds the preset value, the fuse 40 will be fused, the circuit is disconnected, and the heating device 11 can be controlled to be turned off. When the temperature of the inner pot 20 is too high, the temperature sensing element 30 and the fuse 40 can both identify the temperature, and then the temperature sensing element can directly control the heating device to be closed, and the fuse can be fused, so that the heating device can be closed. Therefore, the temperature sensing element 30 and the fuse 40 can play a role of double protection, and even if any one of the temperature sensing element 30 and the fuse 40 fails, the heating device 11 can still be controlled, so that the danger caused by the overhigh temperature of the inner pot 20 can be effectively avoided. Therefore, the technical scheme of the embodiment effectively solves the problem that the temperature measuring piece in the related art is easy to fail to cause danger. In addition, the temperature sensing element 30 and the fuse 40 which are separately arranged are more beneficial to subsequent maintenance. When one of the components is damaged, the other component is not influenced in use, and only the damaged component needs to be repaired or replaced.

In consideration of the avoidance and the degree of compactness of the overall structure of the cooking appliance, as shown in fig. 2 to 6, in the present embodiment, the distance of the temperature sensing element 30 from the longitudinal center line L of the pot body 10 and the distance of the fuse 40 from the longitudinal center line L of the pot body 10 are equal. The distance between the temperature sensing element 30 and the fuse 40 and the longitudinal center line L of the pot body 10 are equal, so that the temperature sensing element 30 and the fuse 40 are on the same circumference, and the sensed temperatures of the temperature sensing element 30 and the fuse 40 are the same, so that the temperature sensing element 30 can control the heating device 11 to be turned on and off according to the same temperature sensed by the fuse 40, and meanwhile, the fuse 40 can control the heating device 11 to be turned off according to the same temperature control circuit sensed by the temperature sensing element 30.

As shown in fig. 1 to 12, in the present embodiment, the cooking appliance further includes a mounting assembly 50 disposed at the bottom of the pot body 10, the mounting assembly 50 includes a bracket 51 and a housing 52 covering the bracket 51, a first mounting space 53 is disposed between the bracket 51 and the housing 52, the fuse 40 is disposed in the first mounting space 53, and the fuse 40 is attached to the housing 52. The first installation space 53 of the installation assembly 50 provides a space for installing the fuse 40, and at the same time, the housing 52 is in contact with the fuse 40, so that the temperature sensed by the fuse 40 is the real temperature of the inner pot 20, and the fuse 40 can control the disconnection of the circuit more accurately.

As shown in fig. 7 and 8, in the present embodiment, the mounting assembly 50 is provided on the heating device 11. The heating device 11 is provided with the mounting position of the mounting assembly 50, so that the position of the mounting assembly 50 is more fixed, and the mounting assembly 50 is prevented from shaking to influence the accuracy of the temperature transmitted to the fuse 40.

In order to avoid the mounting component from being detached from the heating device, as shown in fig. 8 to 12, in the present embodiment, the bracket 51 further includes a baffle 511 and a support column 512 located below the baffle 511, the heating device 11 is provided with a limiting portion 111, and the baffle 511 is located below the limiting portion and is in stop fit with the limiting portion 111. Spacing portion and baffle 511's backstop cooperation is effectual, can guarantee the stable in position of installation component 50, and support column 512 can be to the whole effect that plays the support of installation component 50 simultaneously. The limiting portion 111 is a downward extending flange on the heating device 11.

In order to make the contact between the mounting assembly and the inner pan closer, as shown in fig. 3 to 8, in this embodiment, the upper surface of the mounting assembly 50 protrudes out of the upper surface of the heating device 11, the supporting column 512 is sleeved with a first elastic resetting member 54, and the mounting assembly 50 can move up and down under the action of the first elastic resetting member 54. The arrangement of the first elastic reset piece 54 can ensure that the mounting assembly 50 is in closer contact with the inner pot 20, so that the fuse 40 can be ensured to identify the temperature more accurately.

As shown in fig. 10 and 12, in the present embodiment, the bracket 51 and the housing 52 are further provided with a second mounting space 55, a push rod 56 and a second elastic restoring member 57 are provided in the second mounting space 55, an opening 513 is provided at the top of the bracket 51, and the push rod 56 passes through the opening 513 and can move up and down under the action of the second elastic restoring member 57. The push rod 56 is matched with the bottom of the inner pot 20, and the push rod 56 can move up and down under the action of the second elastic resetting piece 57.

In order to avoid that the force applied by the second elastic restoring member 57 to the push rod 56 is too large, which would cause the push rod 56 to be separated from the second installation space 55, as shown in fig. 12, in this embodiment, a protrusion is provided on the push rod 56, and the housing 52 is in stop fit with the protrusion. The protrusion has a simple structure and is easy to install, and the protrusion is blocked in the housing 52 to prevent the push rod 56 from moving further, so that the push rod 56 can be prevented from being separated from the second installation space 55. The convex part is a convex edge, and can be a convex block or a convex rib and the like.

As shown in fig. 10, in the present embodiment, when the push rod 56 is installed in the second installation space 55, and the housing 52 is installed, the housing 52 can limit the push rod 56, so as to prevent the push rod 56 from tilting. The shell 52 is provided with a flange extending toward the second mounting space 55, and the shell 52 can have better structural strength and is not easy to deform through the flange. Further, the bottom of the bracket 51 is provided with a guide hole located below the second mounting space 55, and the guide hole and the housing 52 can better guide the push rod 56.

In order to make the entire structure of the cooking appliance more compact, the volume of the inner pot is ensured to be large, as shown in fig. 3 to 6, in the present embodiment, the distance of the push rod 56 from the longitudinal centerline L of the pot body 10 is smaller than the distance of the fuse 40 from the longitudinal centerline L of the pot body 10. The push rod 56 is located at a smaller distance from the longitudinal center line L of the pot body 10 with respect to the fuse 40. This enables the capacity of the inner pot 20 to be secured.

The cooking appliance performs different cooking procedures in consideration of the identification of the inner pot by the cooking appliance. As shown in fig. 3 to 6, in the present embodiment, the cooking appliance further includes a sensing member 60 disposed at the bottom of the pot body 10, the sensing member 60 is located below the pushing rod 56, and the sensing member 60 can be triggered when the pushing rod 56 moves downward. The sensing member 60 is matched with the push rod 56, and the push rod 56 moves downwards to trigger the sensing member 60, so that the sensing member 60 can identify the inner pot 20. The sensing member 60 is a micro switch. The sensing member 60 is disposed at a position just above the moving track of the push rod 56, so that the sensing member 60 is more easily contacted with the push rod 56.

It should be noted that the above trigger includes a touch trigger or a magnetic trigger, and in the present embodiment, the push rod 56 moves downward to be the touch trigger.

As shown in fig. 3 to 6, in the present embodiment, the inner pot 20 includes a first pot body 21 and a second pot body 22, the first pot body 21 and the second pot body 22 are interchangeably installed on the pot body 10, a stirring assembly 70 is provided in the first pot body 21, the stirring assembly 70 includes a stirring member 71 and a mounting seat 72 for connecting the stirring member 71 to the first pot body 21, the mounting seat 72 presses the push rod 56 downward, the bottom of the second pot body 22 is provided with an avoiding concave portion 221, and when the second pot body 22 is installed on the pot body 10, the avoiding concave portion 221 avoids the push rod 56. The avoidance concave part 221 can avoid the push rod 56, and the push rod 56 is prevented from triggering the sensing part 60; mounting seat 72 can press down push rod 56, so that push rod 56 can trigger sensing element 60, and sensing element 60 can recognize first pot 21 and second pot 22.

As shown in fig. 3 to 6, in the embodiment, the mounting seat 72 at the bottom of the second pot 22 is in contact with the push rod 56, so that the second pot 22 is in close contact with the push rod 56 under the action of the first elastic restoring member 54, and the avoiding recess 221 can avoid the push rod 56. Similarly, when the first pot body 21 is mounted on the pot body 10, the first pot body 21 contacts with the push rod 56, and under the action of the first elastic restoring member 54, the first pot body 21 can contact with the push rod 56 more tightly, so that the distance between the mounting seat 72 and the push rod 56 can be kept fixed, and further, when the mounting seat 72 presses the push rod 56, the reaction of the push rod 56 is more sensitive. Thereby making the detection effect of the sensing member 60 more accurate.

As shown in fig. 3 and 4, in the present embodiment, the cooking appliance further includes a driving device, the driving device protrudes from the heating device 11, the driving device is drivingly connected to the stirring assembly 70, and under the action of the driving device, the stirring assembly 70 is activated to realize a stirring function. The driving device is located at the center of the pot body 10, the push rod 56 is arranged adjacent to the driving device, and the mounting seat 72 is circular, so that when the first pot body 21 is mounted to the pot body 10, the stirring assembly 70 and the driving device are only required to be aligned and mounted, and then the mounting seat 72 can be matched with the push rod 56 synchronously. Other positioning structures do not need to be singly established, the installation and the positioning can be realized, and the integral structure of the cooking utensil is simpler.

The cooking appliance of the embodiment is an electric pressure cooker, and can be an electric cooker, a low-pressure rice cooker, a soybean milk machine, a food processor, an electric stewpan and the like.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cooking appliance, comprising:

the cooker comprises a cooker body (10), wherein a heating device (11) is arranged in the cooker body (10);

the inner pot (20), the inner pot (20) is arranged in the cooker body (10) and is positioned above the heating device (11);

the cooker comprises a temperature sensing element (30) and a fuse (40) independent of the temperature sensing element (30), wherein the temperature sensing element (30) and the fuse (40) are both arranged in the cooker body (10) and matched with the inner pot (20).

2. The cooking appliance according to claim 1, wherein the distance from the temperature sensing element (30) to the longitudinal centerline L of the pot body (10) is equal to the distance from the fuse (40) to the longitudinal centerline L of the pot body (10).

3. The cooking appliance according to claim 1, further comprising a mounting assembly (50) disposed at a bottom of the pot body (10), the mounting assembly (50) comprising a bracket (51) and a housing (52) covering the bracket (51), a first mounting space (53) being disposed between the bracket (51) and the housing (52), the fuse (40) being disposed in the first mounting space (53), the fuse (40) being attached to the housing (52).

4. The cooking appliance according to claim 3, wherein the mounting assembly (50) is provided on the heating device (11).

5. The cooking appliance according to claim 3, wherein the bracket (51) further comprises a baffle (511) and a support column (512) located below the baffle (511), a limiting part (111) is arranged on the heating device (11), and the baffle (511) is located below the limiting part (111) and in stop fit with the limiting part (111).

6. The cooking appliance according to claim 5, wherein the upper surface of the mounting assembly (50) protrudes from the upper surface of the heating device (11), the supporting column (512) is sleeved with a first elastic resetting member (54), and the mounting assembly (50) can move up and down under the action of the first elastic resetting member (54).

7. The cooking appliance according to claim 3, wherein the bracket (51) and the housing (52) are further provided with a second mounting space (55), a push rod (56) and a second elastic reset piece (57) are arranged in the second mounting space (55), an opening (513) is arranged at the top of the bracket (51), and the push rod (56) penetrates through the opening (513) under the action of the second elastic reset piece (57) and can move up and down.

8. The cooking appliance according to claim 7, wherein the distance of the push rod (56) from the longitudinal centerline L of the pot body (10) is smaller than the distance of the fuse (40) from the longitudinal centerline L of the pot body (10).

9. The cooking appliance according to claim 7, further comprising a sensing member (60) disposed at the bottom of the pot body (10), wherein the sensing member (60) is located below the pushing rod (56), and the pushing rod (56) can trigger the sensing member (60) when moving downward.

10. The cooking appliance according to claim 7, wherein the inner pot (20) comprises a first pot body (21) and a second pot body (22), the first pot body (21) and the second pot body (22) are interchangeably mounted to the pot body (10), a stirring assembly (70) is arranged in the first pot body (21), the stirring assembly (70) comprises a stirring piece (71) and a mounting seat (72) for connecting the stirring piece (71) to the first pot body (21), the mounting seat (72) presses the push rod (56) downwards, the bottom of the second pot body (22) is provided with an avoiding concave portion (221), and when the second pot body (22) is mounted on the pot body (10), the avoiding concave portion (221) avoids the push rod (56).

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