CN209248385U - A kind of operation handwheel and fire-fighting equipment - Google Patents
A kind of operation handwheel and fire-fighting equipment Download PDFInfo
- Publication number
- CN209248385U CN209248385U CN201822144426.0U CN201822144426U CN209248385U CN 209248385 U CN209248385 U CN 209248385U CN 201822144426 U CN201822144426 U CN 201822144426U CN 209248385 U CN209248385 U CN 209248385U
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- held part
- reinforcing rib
- annular hand
- profile
- operation handwheel
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Abstract
A kind of operation handwheel and fire-fighting equipment, wherein, operating handwheel includes intermediate mounting portion, annular hand-held part and multiple linking arms, multiple linking arms are connected between mounting portion and annular hand-held part, and circumference equidistantly distributed, the annular hand-held part bottom is formed with the first reinforcing rib extended along its lateral profile boundary line, first reinforcing rib of the annular hand-held part is formed with waveform lower edge, in annular hand-held part, the first reinforcing rib is set, and the first reinforcing rib is formed with waveform lower edge, the stress intensity of annular hand-held part both can be improved in this way, frictional force of the palmistry for annular hand-held part when can increase operation again, it prevents from skidding, facilitate operation more smoothly；The second reinforcing rib and third reinforcing rib is arranged in profile on the inside of linking arm profile and annular hand-held part, and the second reinforcing rib is connect with third reinforcing rib, and the integral strength of handwheel can be improved in this way；The top surface of annular hand-held part is formed with a plurality of circumferentially spaced recessed portion, can not only save material but also can increase the intensity of annular hand-held part.
Description
Technical field
The utility model relates to a kind of operation handwheels.
Background technique
Well known, operation handwheel includes that intermediate mounting portion, annular hand-held part and multiple linking arms, multiple linking arms are connected to
Between intermediate mounting portion and annular hand-held part, and circumference equidistantly distributed, wherein intermediate mounting portion, annular hand-held part and multiple
Linking arm uses separate structure or integrally formed structure, and current operation handwheel is not provided with reinforcement structure, and there are intensity
It is low, unbearable big torsion, and the disadvantages of there are actuating friction power is small, and feel is poor, fire-fighting equipment can not be suitable for.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide that a kind of structure is simple, intensity is high, actuating friction
The big operation handwheel of power.
The purpose of this utility model is realized by following technical solution:
A kind of operation handwheel, including intermediate mounting portion, annular hand-held part and multiple linking arms, during multiple linking arms are connected to
Between between mounting portion and annular hand-held part, and circumference equidistantly distributed, it is characterised in that: the annular hand-held part bottom is formed with
First reinforcing rib of the first reinforcing rib extended along its lateral profile boundary line, the annular hand-held part is formed under waveform
Edge.
The linking arm bottom is formed with the second reinforcing rib extended along its profile and border line.
The annular hand-held part bottom inside profile between adjacent two linking arm is formed with third reinforcing rib, third
Reinforcing rib is docked with the second reinforcing rib.
The intermediate mounting portion, annular hand-held part and multiple linking arms are integrally formed.
The top surface of the annular hand-held part is formed with a plurality of circumferentially spaced recessed portion, and the recessed portion is through the annular hand
Hold profile on the inside of portion.
The 4th reinforcing rib extended along its length is formed in the middle part of the linking arm top surface.
A kind of fire-fighting equipment, it is characterised in that: use the operation handwheel.
The utility model has the following beneficial effects:
The first reinforcing rib is set in annular hand-held part, and the first reinforcing rib is formed with waveform lower edge, can both mention in this way
The stress intensity of high annular hand-held part, but palmistry prevents from skidding, make for the frictional force of annular hand-held part when can increase operation
Operation more smoothly facilitates；The second reinforcing rib and third reinforcing rib is arranged in profile on the inside of linking arm profile and annular hand-held part, and
And second reinforcing rib connect with third reinforcing rib, the integral strength of handwheel can be improved in this way；The top surface of annular hand-held part is formed
There is a plurality of circumferentially spaced recessed portion, can not only save material but also the intensity of annular hand-held part can be increased.
Detailed description of the invention
The utility model is described in further details with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the cross-sectional view in the direction B-B in Fig. 1.
Fig. 5 is the cross-sectional view in the direction C-C in Fig. 1.
Specific embodiment
Referring to figs. 1 to shown in Fig. 5, a kind of operation handwheel, including intermediate mounting portion 1, annular hand-held part 2 and three linking arms
3, three linking arms 3 are connected between mounting portion 1 and annular hand-held part 2, and circumference equidistantly distributed.Intermediate mounting portion 1,
Annular hand-held part 2 and three 3 integrally casting shapings of linking arm.
Annular 2 bottom of hand-held part is formed with the first reinforcing rib 22 extended along its lateral profile boundary line, annular hand-held part 2
The first reinforcing rib 22 be formed under waveform along 221,3 bottom of linking arm be formed with along its profile and border line extend second plus
Strengthening tendons 32, are formed with the 4th reinforcing rib 31 extended along its length in the middle part of 3 top surface of linking arm, between adjacent two linking arm 3
2 bottom inside profile of annular hand-held part be formed with third reinforcing rib 23, third reinforcing rib 23 is docked with the second reinforcing rib 32.
The top surface of annular hand-held part 2 is formed with a plurality of circumferentially spaced recessed portion 21, which runs through the annular
2 inside profile of hand-held part.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of utility model patent is covered.
Claims (7)
1. a kind of operation handwheel, including intermediate mounting portion, annular hand-held part and multiple linking arms, multiple linking arms are connected between
Between mounting portion and annular hand-held part, and circumference equidistantly distributed, it is characterised in that: the annular hand-held part bottom is formed with edge
First reinforcing rib of the first reinforcing rib that its lateral profile boundary line extends, the annular hand-held part is formed with waveform lower edge.
2. operation handwheel according to claim 1, it is characterised in that: the linking arm bottom is formed with along its profile and border
The second reinforcing rib that line extends.
3. operation handwheel according to claim 2, it is characterised in that: the annular hand between adjacent two linking arm
It holds portion's bottom inside profile and is formed with third reinforcing rib, third reinforcing rib is docked with the second reinforcing rib.
4. operation handwheel according to claim 1 or 2 or 3, it is characterised in that: the intermediate mounting portion, annular hand-held part
It is integrally formed with multiple linking arms.
5. operation handwheel according to claim 1 or 2 or 3, it is characterised in that: the top surface of the annular hand-held part is formed with
A plurality of circumferentially spaced recessed portion, recessed portion profile on the inside of the annular hand-held part.
6. operation handwheel according to claim 1 or 2 or 3, it is characterised in that: be formed with edge in the middle part of the linking arm top surface
The 4th reinforcing rib that its length direction extends.
7. a kind of fire-fighting equipment, it is characterised in that: using such as operation handwheel as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144426.0U CN209248385U (en) | 2018-12-20 | 2018-12-20 | A kind of operation handwheel and fire-fighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144426.0U CN209248385U (en) | 2018-12-20 | 2018-12-20 | A kind of operation handwheel and fire-fighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209248385U true CN209248385U (en) | 2019-08-13 |
Family
ID=67533712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822144426.0U Active CN209248385U (en) | 2018-12-20 | 2018-12-20 | A kind of operation handwheel and fire-fighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209248385U (en) |
-
2018
- 2018-12-20 CN CN201822144426.0U patent/CN209248385U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |