CN106016736A - Cover - Google Patents
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- Publication number
- CN106016736A CN106016736A CN201610307985.1A CN201610307985A CN106016736A CN 106016736 A CN106016736 A CN 106016736A CN 201610307985 A CN201610307985 A CN 201610307985A CN 106016736 A CN106016736 A CN 106016736A
- Authority
- CN
- China
- Prior art keywords
- cover body
- free edge
- cover
- support frame
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Abstract
The invention provides a cover which is used for overcoming the defects in the prior art. The cover can be used for electrical tools such as a grass burning machine. On the premise that the heating efficiency can be guaranteed, the problem that a heated object is overheated is avoided. In addition, integral operation is more convenient and faster, and harmful effects are avoided when the air speed is adjusted. An opening is formed in the cover. The cover is provided with supporting frames, and a cooling gap is formed between the opening and the machined object through the supporting frames during work. Through the structure, the problem that when the heated object is covered with a cover and an operator forgets to remove the cover, the whole heated object is overheated and damaged can be avoided. In addition, force application of hands can be reduced through the supporting frames in the heating process, the working intensity is relieved, and the overall heating accuracy is higher.
Description
Technical field
The present invention relates to a kind of air pressure gun auxiliary device, particularly relate to a kind of cover body.
Background technology
Heat gun comes heating target mainly by the hot blast of the rifle core blowout of heating resistance wire
Carry out a kind of equipment heated.In order to improve the effect of heating, on caused by outlet of hot blast gun generally
Being provided with a cover body prevents heat from distributing.But sometimes due to misoperation, by whole cover body
When covering on heating target, it is possible to cause heating target to damage owing to temperature is too high.Even
It is likely to result in heat gun self due to overheated and damage.
Prior art be employed technical scheme comprise that and is similar to solve this technical problem
The patent of invention of patent No. 201210228409.X " for manual type local weeding device,
Assembly and method ", this invention includes the heat generator 4 being attached to bar 2.Heat generator 4 includes wind
Fanning and add thermal resistance, heated air jets J1 is injected the internal capacity of bell-shaped piece 5 by heat generator 4
V5, bell-shaped piece 5 is provided with for device 1 is bearing in ground free end 551.According to
The present invention, bell-shaped piece 5 be provided with for by air-spray J2 from the internal capacity of bell-shaped piece 5
At least one hole discharged in V5.Described hole is spaced apart with free edge 551 more than 2cm's
Distance.
Hair-dryer of the prior art, hot weeder, although name is different, but its principle is equal
It is similar to as heat gun.But hole designed in prior art reduces heating to a certain extent
The efficiency of device, especially can not carry out pinpoint heating, and adjust air port wind speed
Time be likely to result in turbulent flow, use inconvenience.
Summary of the invention:
The purpose of patent of the present invention makes up the deficiencies in the prior art exactly, it is provided that a kind of cover body,
May be used for burning the electric tools such as grass machine, can be on the premise of ensureing the efficiency of heating surface, it is to avoid heating
The problem that object is overheated, and integrated operation is the most convenient, also will not go out when regulating wind speed
Existing harmful effect.
For reaching described purpose, one cover body of the present invention, cover body is provided with opening, described cover body
Make to be formed between opening and processed object the bracing frame in heat radiation gap when being provided with work.
Preferably, support frame as described above includes for acting on processed object and formed described dissipating
The support end of temperature gap.
Preferably, the support frame as described above side that contacts with processing object is curved.Such support
Shelf structure is simple, and can be added by the radian of metal supporting rings self when supporting
The fine setting of hot angle.
Preferably, also including free edge, support frame as described above includes fixing end, transitioning end and props up
Support end, fixing end is identical with the radian of cover body free edge and is fixed on free edge, supports
Holding away from free edge, transitioning end connects fixing end and support end.Free edge refers to cover body
The edge of upper shed air side.Such simple in construction, easy for installation.And fix and hold and oneself
It is tightly combined by edge, can fully bear joining of the weight that air pressure gun is overall, transitioning end and support end
Conjunction guarantees free edge distance heating target a certain distance.
Preferably, the side view of support frame as described above projects in herringbone, lambdoid summit and from
Being fixed by edge, lambdoid bottom is annular brace end.Lambdoid peak refers to cover
The top of bracing frame when body is just put, such structural advantages is that lambdoid two bottoms are permissible
Accomplishing the balance of power, operate more stable, especially supporting part can reduce hands when supporting
Exert oneself in portion.
Preferably, the plane at the free edge place of described cover body and be perpendicular to air outlet side
To plane between exist an angle.This angle is 5-75 degree in single quadrant.This
One angle of sample can use heat gun time body need not be perpendicular to ground.
Preferably, described cover body also has louvre.Louvre can be as a kind of alternative side
Case is configured.Owing to the present invention has devised bracing frame, therefore louvre being not required to and right
More the same dense distribution than file, and the side of cover body can be provided separately within, as long as not interfering with
Fixing of bracing frame.
Preferably, support frame as described above is metal rack.Metal rack thermostability is strong, and self has one
Determining memory function, be unlikely to deform, cost is the most moderate.
Preferably, support frame as described above and cover body one or split molding.Bracing frame and cover body one
Molding, reduces cover body procedure of processing, reduces processing cost；Bracing frame and cover body split molding,
Facilitate bracing frame to dismantle, when bracing frame damages, be convenient for changing.
By such structure, first the present invention is avoided that cover body covers and forgets on heating target
Whole heating target is caused to cross the problem of cause thermal damage when moving away, additionally, can rely on when heating
Bracing frame reduces hand firmly, reduces the intensity of work, and the heating accuracy of entirety is more
Precisely.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of cover body embodiment one of the present invention.
Fig. 2 is the structural representation of cover body embodiment two of the present invention.
Fig. 3 is the structural representation of bracing frame in cover body embodiment two of the present invention.
Fig. 4 is the structural representation of cover body embodiment three of the present invention.
Fig. 5 is the structural representation of bracing frame in cover body embodiment three of the present invention.
Detailed description of the invention:
Embodiment one:
As shown in Figure 1, a kind of cover body, it is arranged on heat gun, the free margins of described cover body
By the metal of fixing at least two arcs as bracing frame be arrangeding in parallel of rivet 9 on edge 1
Support ring 2, described metal supporting rings 2 does not block caused by outlet of hot blast gun.Such structure guarantees
Ensure a certain distance, gap of i.e. dispelling the heat between free edge 1 and the processing object of cover body, lead to
Often this distance is preferred for 1-3 centimetre.Metal supporting rings 2 can also be utilized in heating process
Radian comes the most laborsaving and adjusts the angle of heating accurately.
Embodiment two:
As shown in Figure 2 and Figure 3, support frame as described above is fixed part 3, transition part 4 and supporting part
5 three parts, wherein fixed part 3 is identical with the radian of cover body free edge 1 and is fixed on certainly
By on edge 1, supporting part 5 away from free edge 1, transition part 4 connecting portion 3 and
Support part 5 also guarantees to ensure at least 1-3 centimetre with free edge 1 when supporting part 5 stress
Distance.Such simple in construction, and the fixing-stable between bracing frame and cover body, can hold
By bigger power.
Embodiment three:
As shown in Figure 4, Figure 5, the side view of support frame as described above projects in herringbone, Qi Zhongren
Summit 8 and the free edge 1 of font are fixed, and lambdoid bottom is annular brace portion 6.This
The structural advantages of sample is stable, can save the strength of operator.
The free edge 1 of cover body described in each embodiment can be smooth edge, it is also possible to
It is set between the plane at place and the plane being perpendicular to air outlet direction have one not
Angle more than 30 degree.The most once bracing frame damages, and cover body also will not be with heating target shape
A region closed is become to cause overheated.
If still wanting to reduce further heat, described cover body is additionally provided with louvre 7.
In each embodiment fixed form between bracing frame and cover body be rivet 9 rivet or
Person is directly welding.It is mounted in freedom due to bracing frame in several embodiments of the invention
On edge 1, owing to contact area is less, the most all have employed the scheme that rivet 9 connects.
Certainly, bracing frame can also be with cover body integrally casting molding.
Although the most do not relate to bracing frame be arranged on inside cover body or
The specific embodiment in outside, but from embodiment, it is easy to derive bracing frame is arranged on cover body
Inner side or the technical scheme in outside, these technical schemes are also protection scope of the present invention.And
And the form that bracing frame is more suitable for welding in such embodiment is arranged on cover body.
Although the present invention is based on heat gun, but is also covered by the product being similar to.Therefore the present invention
Protection domain also contain the cover body on these similar products.Present invention is particularly suitable for use in
Burn grass machine.
Claims (10)
1. a cover body, cover body is provided with opening, it is characterised in that described cover body makes opening when being provided with work
And between processed object, form the bracing frame (2) in heat radiation gap.
2. cover body as claimed in claim 1 a kind of, it is characterised in that: support frame as described above (2) include for
Act on processed object and formed the support end (5) in described heat radiation gap.
3. a kind of cover body as claimed in claim 2, it is characterised in that: support frame as described above (2) is two,
And it is arranged in parallel.
4. a kind of cover body as claimed in claim 3, it is characterised in that: support frame as described above (2) is right with processing
As the side that contacts is curved.
5. a kind of cover body as claimed in claim 1, it is characterised in that: also include free edge (1), described
Bracing frame (2) includes fixing end (3), transitioning end (4) and support end (5), fixing end (3)
Identical with the radian of cover body free edge (1) and be fixed on free edge (1), support end (5)
Away from free edge (1), transitioning end (4) connects fixing end (3) and support end (5).
6. a kind of cover body as claimed in claim 1, it is characterised in that: the side view of support frame as described above (2)
Projection is in herringbone, and lambdoid summit (8) and free edge (1) are fixing, lambdoid bottom
For annular brace end (6).
7. a kind of cover body as claimed in claim 1, it is characterised in that: also include free edge (1), described
Shape between plane and the plane being perpendicular to air outlet direction at free edge (1) place of cover body
In an angle.
8. a kind of cover body as described in any one of claim 16, it is characterised in that: also set on described cover body
There is louvre (7).
9. a kind of cover body as described in any one of claim 16, it is characterised in that: support frame as described above (2)
For metal rack.
10. a kind of cover body as described in any one of claim 16, it is characterised in that: support frame as described above and cover
Body one or split molding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/222,952 US20170290325A1 (en) | 2016-04-08 | 2016-07-29 | Weed removing tool |
| US17/568,733 US20220125034A1 (en) | 2016-04-08 | 2022-01-05 | Weed removing tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015109008376 | 2015-12-08 | ||
| CN201510900837.6A CN105605777A (en) | 2015-12-08 | 2015-12-08 | Cover body with support frames |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106016736A true CN106016736A (en) | 2016-10-12 |
Family
ID=55985926
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510900837.6A Withdrawn CN105605777A (en) | 2015-12-08 | 2015-12-08 | Cover body with support frames |
| CN201620425821.4U Active CN205695246U (en) | 2015-12-08 | 2016-05-10 | A kind of cover body |
| CN201610307985.1A Pending CN106016736A (en) | 2015-12-08 | 2016-05-10 | Cover |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510900837.6A Withdrawn CN105605777A (en) | 2015-12-08 | 2015-12-08 | Cover body with support frames |
| CN201620425821.4U Active CN205695246U (en) | 2015-12-08 | 2016-05-10 | A kind of cover body |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105605777A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605777A (en) * | 2015-12-08 | 2016-05-25 | 浙江普莱得电器有限公司 | Cover body with support frames |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201392014Y (en) * | 2009-04-22 | 2010-01-27 | 黄德超 | Separable air outlet net cover |
| KR20100086409A (en) * | 2009-01-22 | 2010-07-30 | 장선숙 | Nozzle unit for hair dryer |
| CN202169450U (en) * | 2011-06-13 | 2012-03-21 | 浙江普莱得电器有限公司 | Hot air gun air cover with vortex plates |
| CN104146479A (en) * | 2014-08-13 | 2014-11-19 | 无锡惠山泵业有限公司 | Hair drier with hair combing function |
| CN205106135U (en) * | 2015-08-27 | 2016-03-30 | 常州武进长城工具有限公司 | Hot -blast weeder fan housing |
| CN205695246U (en) * | 2015-12-08 | 2016-11-23 | 浙江普莱得电器有限公司 | A kind of cover body |
-
2015
- 2015-12-08 CN CN201510900837.6A patent/CN105605777A/en not_active Withdrawn
-
2016
- 2016-05-10 CN CN201620425821.4U patent/CN205695246U/en active Active
- 2016-05-10 CN CN201610307985.1A patent/CN106016736A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100086409A (en) * | 2009-01-22 | 2010-07-30 | 장선숙 | Nozzle unit for hair dryer |
| CN201392014Y (en) * | 2009-04-22 | 2010-01-27 | 黄德超 | Separable air outlet net cover |
| CN202169450U (en) * | 2011-06-13 | 2012-03-21 | 浙江普莱得电器有限公司 | Hot air gun air cover with vortex plates |
| CN104146479A (en) * | 2014-08-13 | 2014-11-19 | 无锡惠山泵业有限公司 | Hair drier with hair combing function |
| CN205106135U (en) * | 2015-08-27 | 2016-03-30 | 常州武进长城工具有限公司 | Hot -blast weeder fan housing |
| CN205695246U (en) * | 2015-12-08 | 2016-11-23 | 浙江普莱得电器有限公司 | A kind of cover body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205695246U (en) | 2016-11-23 |
| CN105605777A (en) | 2016-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |