CN214428553U

CN214428553U - Lever structure of mechanical timer

Info

Publication number: CN214428553U
Application number: CN202023180599.1U
Authority: CN
Inventors: 余斯凡
Original assignee: Ningbo Sijia Electric Appliance Co ltd
Current assignee: Ningbo Sijia Electric Appliance Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-19
Anticipated expiration: 2030-12-25

Abstract

The utility model provides a mechanical timer's lever structure, include: arrange main shaft assembly, clapper subassembly and actuating mechanism in the casing in, main shaft assembly passes through the gear train meshing with actuating mechanism and is connected, and clapper subassembly rotates and sets up on the casing, is provided with lever spare between main shaft assembly and the clapper subassembly, and the one end of lever spare rotates and sets up in the casing, and the upper end and the clapper subassembly cooperation of lever spare, the lower extreme and the main shaft assembly cooperation of lever spare, lever spare include: the upper end face of the second contact part is higher than the first contact part, a through hole is formed in the shell, and the upper end of the second contact part penetrates through the second contact part. The utility model relates to a mechanical timer's lever structure can realize regularly beating integrative setting of bell, and the lever structure of setting guarantees that inner structure is stable, and overall structure is simple, and the safety in utilization is high.

Description

Lever structure of mechanical timer

Technical Field

The utility model relates to a timer technical field, in particular to mechanical timer's lever structure.

Background

The electric oven is a kitchen appliance for baking food by utilizing radiant heat emitted by an electric heating element, and the electric oven heats food by a heat conduction principle when cooking food, is a traditional food cooking mode, is uniformly heated, and better keeps moisture and original nutritional ingredients of the food, so the electric oven is popular, and along with the increasingly wide use of the electric oven, the use of a timer of the electric oven is more and more emphasized by families.

Existing oven mechanical timers generally include three parts: the first part is a power component; the second part is a mechanism for releasing the energy of the clockwork spring, which is changed by a series of gears to increase the rotation number when the clockwork spring is loosened, an escape wheel, an escape pawl and a balance spring are arranged at the tail end of the gear train to ensure that the gear train rotates at a constant speed under the driving of the clockwork spring, and the balance spring is provided with an adjusting device capable of adjusting the length of the balance spring to adjust the swinging frequency of the escape pawl, so that the gear train is ensured to rotate at a set rotating speed, the clockwork spring cannot be loosened at once, and the rotating speed cannot be changed due to the influence of the loosening of the clockwork spring; the third part is a timing trigger mechanism, and the timing trigger mechanism is synchronously triggered when the clockwork is screwed down, namely, the timing trigger mechanism is closed and switched on by a contact of timing equipment and completes the timing function; and the setting of current timer trigger mechanism can not guarantee well that realize ringing simultaneously at the disconnection reed to play the effect of reminding the user, and holistic inner structure is comparatively complicated, and the dismouting is troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a can utilize lever structure to realize that bell-beating outage is synchronous, inner structure is simple and overall structure sets up reasonable mechanical timer's lever structure.

(II) technical scheme

In order to solve the technical problem, the utility model discloses a mechanical timer's lever structure, include: the lever component is arranged between the spindle component and the clapper component in the shell, one end of the lever component is rotatably arranged in the shell, the upper end of the lever component is matched with the clapper component, the lower end of the lever component is matched with the spindle component, the spindle component is connected with the driving mechanism through a gear set in a meshed mode, the clapper component is rotatably arranged on the shell, the lever component is arranged, the lever structure formed in the shell is utilized, the lever component can drive the lever component through rotation of the spindle component, so that the effects of ringing reminding and automatic power off can be achieved in timing, the lever structure is reasonable in arrangement, the structure of the inner part is simple, the clapper component, the spindle component and the lever component are tightly connected and matched, and the using effect can be effectively improved.

Further, be provided with the rotary column in the casing, the one end of lever spare is rotated and is set up on the rotary column, the other end of lever spare is higher than the interior bottom surface of casing will the rotary column sets up can make in the casing the one end of lever spare round the rotary column rotates, realizes the bell effect of lever spare middle part to the bell hammer subassembly, holistic simple structure, inner structure sets up rationally, can make setting up of lever spare is more stable.

Further, the lever member comprises a first contact part and a second contact part, the upper end surface of the second contact part is higher than the first contact part, and the first contact part is in contact fit with the spindle assembly; the second contact part is matched with the hammer of the bell hammer component, the hammer is rotationally arranged on the shell, the through hole is formed in the shell, the upper end of the second contact part penetrates through the second contact part, the structure is arranged to be matched with the main shaft component and the bell hammer component through the first contact part and the second contact part, the bell power-off effect of the timer is achieved, the second contact part can be matched with the bell hammer component through the same hole formed in the shell, and the internal structure is more reasonable.

Further, the lower extreme orientation of lever spare one side of main shaft assembly is provided with first bellying, first bellying with the main shaft assembly cooperation, the main shaft assembly is including rotating the setting and being in cam in the casing, set up flutedly on the edge of cam, first bellying with recess cooperation on the cam, thereby setting up of this structure set up first bellying can with recess cooperation drive on the cam lever subassembly rotates and realizes right the effect of beating the bell of bell hammer subassembly and the outage effect of reed, and the structure sets up rationally.

Further, one side of casing is provided with movable contact spring and static contact spring, the lever spare is kept away from one side of main shaft assembly is provided with the second bellying, the second bellying with one side cooperation of movable contact spring, the setting of this structure utilize the second bellying with the cooperation of movable contact spring can realize right the movable contact spring with disconnection between the static contact spring is closed to guarantee the safe handling of oven, carry out automatic outage when regularly finishing, guaranteed the security of using.

(III) advantageous effects

The utility model relates to a lever structure of mechanical timer lies in for prior art's advantage: can realize rotating the effect of the outage of beating the bell, the inner structure cooperation is inseparable, and overall structure is simple, and timer safety in utilization is higher, through being provided with the lever spare, utilizes the cam to realize the rotation of lever spare with the bellying cooperation on the lever spare, and the inner structure sets up rationally, and the functionality of timer is stronger.

Drawings

Fig. 1 is a cross-sectional view of a lever structure of a mechanical timer according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a lever structure of a mechanical timer according to the present invention;

fig. 3 is a top view of a lever structure of a mechanical timer according to the present invention;

fig. 4 is an enlarged view of a lever structure a of a mechanical timer according to the present invention;

fig. 5 is an enlarged view of a lever structure B of a mechanical timer according to the present invention;

wherein: the main shaft component 1, the clapper component 2, the hammer 201, the driving mechanism 3, the gear set 301, the lever component 4, the first contact part 401, the second contact part 402, the rotary column 5, the housing 6, the cam 7, the first protrusion 801, the second protrusion 802, the groove 9, the movable spring 1001, the stationary spring 1002, and the through hole 11.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, a lever structure of a mechanical timer includes: lever 4, lever 4 arrange in between the main shaft assembly 1 and the bell hammer subassembly 2 in casing 6, and the one end of lever 4 is rotated and is set up in casing 6, and the upper end and the cooperation of bell hammer subassembly 2 of lever 4, the lower extreme and the main shaft assembly 1 cooperation of lever 4, main shaft assembly 1 and actuating mechanism 3 pass through gear train 301 meshing and are connected, and bell hammer subassembly 2 rotates and sets up on casing 6, and is concrete: the driving mechanism 3 drives the spindle assembly 1 to rotate, the cam 7 on the spindle assembly 1 rotates to enable the edge of the spindle assembly 1 to be matched with the lever member 4, and the groove 9 formed in the cam 7 can be matched with the first boss 801 on the lever member 4 to realize the matching with the bell hammer assembly 2 and the reed, so that the whole structure is simple, and the using effect is better.

Referring to fig. 2 and 3, be provided with rotary column 5 in the casing 6, the one end of lever 4 is rotated and is set up on rotary column 5, the other end of lever 4 is higher than the interior bottom surface of casing 6, thereby rotate the one end of lever 4 and set up the one end that can guarantee lever 4 on rotary column 5 and rotate the cooperation that realizes with bell hammer subassembly 2 and reed, the normal use that lever 4 can be guaranteed in the setting that the other end of lever 4 is higher than the interior bottom surface of casing 6 in addition, inner structure sets up rationally.

Referring to fig. 3 and 5, the lever member 4 includes a first contact portion 401 and a second contact portion 402, an upper end surface of the second contact portion 402 is higher than the first contact portion 401, and the first contact portion 401 is in contact fit with the spindle assembly 1; second contact site 402 cooperates with the hammer 201 of clapper subassembly 2, and the hammer 201 rotates and sets up on casing 6, has seted up through-hole 11 on the casing 6, and second contact site 402 is worn to penetrate by the upper end of second contact site 402, and specific first contact site 401 sets up in the below of second contact site 402, first contact site 401 and main shaft assembly 1 and reed cooperation, second contact site 402 and the cooperation of clapper subassembly 2, and overall structure sets up more rationally.

Referring to fig. 2 and 4, the lower extreme of lever 4 is provided with first bellying 801 towards one side of spindle unit 1, first bellying 801 cooperates with spindle unit 1, spindle unit 1 is including rotating cam 7 that sets up in casing 6, recess 9 has been seted up on cam 7's the edge, recess 9 cooperation on first bellying 801 and the cam 7, one side of casing 6 is provided with movable spring 1001 and stationary spring 1002, one side that spindle unit 1 was kept away from to lever 4 is provided with second bellying 802, second bellying 802 cooperates with one side of movable spring 1001, it is specific: the arranged first boss 801 is matched with the groove 9 on one side of the cam 7, when the cam 7 rotates, the first boss 801 falls into the groove 9, the lever member 4 enables the first boss 801 to abut against the groove 9 under the elastic action of the reed, the movable reed 1001 and the static reed 1002 are disconnected, and meanwhile, the second contact part 402 at the upper end of the lever member 4 touches the clapper assembly 2 to realize ringing; when first projection 801 is disengaged from groove 9, one end of lever member 4 presses down on the spring piece, and movable spring piece 1001 and stationary spring piece 1002 are brought into contact to realize the timing effect.

The lever structure of this embodiment mechanical timer utilizes the cam to realize the rotation of lever spare with the bellying cooperation on the lever spare through being provided with lever spare, and inner structure sets up rationally, and the functional of timer is stronger, can realize rotating the effect of the outage of beating the bell, and the inner structure cooperation is inseparable, overall structure is simple, and timer safety in utilization is higher.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A lever structure of a mechanical timer, comprising: the bell hammer mechanism comprises a lever member (4), wherein the lever member (4) is arranged between a main shaft assembly (1) and a bell hammer assembly (2) in a shell (6), one end of the lever member (4) is rotatably arranged in the shell (6), the upper end of the lever member (4) is matched with the bell hammer assembly (2), and the lower end of the lever member (4) is matched with the main shaft assembly (1).

2. The lever structure of mechanical timer according to claim 1, wherein said spindle assembly (1) is engaged with said driving mechanism (3) through a gear train (301), and said clapper assembly (2) is rotatably disposed on said housing (6).

3. The lever structure of mechanical timer according to claim 1, wherein a rotating post (5) is provided in the housing (6), one end of the lever member (4) is rotatably provided on the rotating post (5), and the other end of the lever member (4) is higher than the inner bottom surface of the housing (6).

4. The lever structure of a mechanical timer according to claim 1, wherein a side of the lower end of the lever member (4) facing the spindle assembly (1) is provided with a first boss (801), and the first boss (801) is engaged with the spindle assembly (1).

5. The lever structure of a mechanical timer according to claim 4, wherein the spindle assembly (1) comprises a cam (7) rotatably disposed in the housing (6), a groove (9) is formed on an edge of the cam (7), and the first protrusion (801) is engaged with the groove (9) on the cam (7).

6. The lever structure of mechanical timer according to claim 1 characterized in that one side of the housing (6) is provided with a movable spring plate (1001) and a stationary spring plate (1002).

7. The lever structure of a mechanical timer according to claim 6, wherein a side of the lever member (4) remote from the spindle assembly (1) is provided with a second protrusion (802), and the second protrusion (802) is engaged with a side of the movable spring (1001).

8. The lever structure of a mechanical timer according to claim 1, wherein the lever member (4) comprises a first contact portion (401) and a second contact portion (402), and an upper end face of the second contact portion (402) is higher than the first contact portion (401).

9. The lever structure of a mechanical timer according to claim 8, wherein the first contact portion (401) is in contact engagement with the spindle assembly (1); the second contact part (402) is matched with a hammer (201) of the clapper assembly (2), and the hammer (201) is rotatably arranged on the shell (6).

10. The lever structure of mechanical timer according to claim 8, wherein the housing (6) is formed with a through hole (11), and the upper end of the second contact portion (402) penetrates the second contact portion (402).