CN109268604A - A kind of nitrogen charging device - Google Patents
A kind of nitrogen charging device Download PDFInfo
- Publication number
- CN109268604A CN109268604A CN201710579759.3A CN201710579759A CN109268604A CN 109268604 A CN109268604 A CN 109268604A CN 201710579759 A CN201710579759 A CN 201710579759A CN 109268604 A CN109268604 A CN 109268604A
- Authority
- CN
- China
- Prior art keywords
- nitrogen charging
- nitrogen
- charging component
- fixture block
- connect
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 342
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 171
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 47
- 238000011017 operating method Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 238000004378 air conditioning Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/009—Combination of a quick-acting type coupling and a conventional one
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of nitrogen charging devices, it is characterised in that: including control pincers, upper fixture block, lower fixture block, the first nitrogen charging component and the second nitrogen charging component;The middle part of the upper fixture block is connect with the upper grip head of the control pincers, and both sides are connect with the tip side of the tip side of the first nitrogen charging component and the second nitrogen charging component respectively;The middle part of the lower fixture block is connect with the lower pliers head of the control pincers, and both sides are connect with the bottom end of the bottom end of the first nitrogen charging component and the second nitrogen charging component respectively.Nitrogen charging operating procedure can be simplified to two air-conditioner stop valves nitrogen filled protection simultaneously using the present invention, and avoid that the nitrogen during nitrogen charging is excessive and waste.
Description
Technical field
The present invention relates to a kind of nitrogen charging dresses of copper pipe welding inside nitrogen filled protection welding field more particularly to air-conditioning system
It sets.
Background technique
With the development of science and technology with the increasingly raising of people's living standard, air-conditioning system has obtained further wide in many occasions
It uses generally.Copper pipe inside air-conditioning system must be protected when constructing welding by the way of being filled with nitrogen.This be by
The inner wall of copper pipe can be made to generate oxidation film in the protection for lacking flowing nitrogen.The generation of oxidation film will lead to air-conditioning system and use
Middle failure such as brings abnormal delivery temperature, compressor card cylinder, cannot freeze or cannot heat at many quality problems.
It is mainly at present that operator holds nitrogen charging equipment pair to the mode of copper pipe nitrogen charging inside air-conditioning system in welding
Copper pipe row nitrogen charging.When nitrogen charging is welded, staff holds nitrogen pipeline or nozzle, by the shut-off valve port of the alignment air-conditioning of nitrogen mouth out
Nitrogen is filled with.There are two shut-off valves for air-conditioning system tool: discharge line valve (low pressure valve) and suction line valve (high pressure valve).Using
The nitrogen charging mode of the prior art once can only the port to air-conditioner stop valve carry out nitrogen charging, process is cumbersome, time-consuming and laborious, deposits
In the lower problem of working efficiency.
Summary of the invention
It is an object of the invention to solve above-mentioned the problems of the prior art and deficiency, a kind of nitrogen charging device is provided.This is filled
Nitrogen device advantage is can be to two air-conditioner stop valves while nitrogen filled protection.
The invention is realized by the following technical scheme:
A kind of nitrogen charging device, it is characterised in that: filled including control pincers, upper fixture block, lower fixture block, the first nitrogen charging component and second
Nitrogen component;The middle part of the upper fixture block with it is described control pincers upper grip head connect, both sides respectively with the first nitrogen charging component
Tip side connected with the tip side of the second nitrogen charging component;The lower pliers head of the middle part of the lower fixture block and the control pincers connects
It connects, both sides are connect with the bottom end of the bottom end of the first nitrogen charging component and the second nitrogen charging component respectively.
Further, when the nitrogen charging device is in first state, the first nitrogen charging component and the second nitrogen charging component
It can be with the free fitting of nitrogen inlet duct or disengaging;When the nitrogen charging device is in the second state, the first nitrogen charging component and
Second nitrogen charging component can be with nitrogen inlet duct clamping.
Further, control pincers further include upper plier handle, lower plier handle, pin shaft and spring, the upper grip head and upper plier handle
It is integrally formed and can be rotated around the pin shaft, the lower pliers head and lower plier handle are integrally formed and can rotate around the pin shaft, described
Clamp handle is connected with lower plier handle by the spring.
Further, the upper fixture block and lower fixture block are Z-type structure, respectively include the first transverse part being parallel to each other and the
Two transverse parts, and longitudinal portion of connection first transverse part and the second transverse part.
Further, the middle part of the upper fixture block is connect by the longitudinal direction portion with the upper grip head, and both sides pass through institute
The first transverse part and the second transverse part is stated to connect with the tip side of the first nitrogen charging component and the second nitrogen charging component respectively
Head end connection;The middle part of the lower fixture block is connect by stating longitudinal portion with the lower pliers head, and both sides are lateral by described first
Portion and the second transverse part are connect with the bottom end of the bottom end of the first nitrogen charging component and the second nitrogen charging component respectively.
Further, the first nitrogen charging component and the second nitrogen charging component respectively include gas-tpe fitting portion and sealing, institute
Sealing is stated to respectively include with apertured internal stop, thimble and seal cavity.
Further, the sealing is removably connect by helicitic texture with the gas-tpe fitting portion.
Further, the internal stop is located at the sealing close to the one end in the gas-tpe fitting portion, and with the top
Needle is fixedly connected, and the thimble is located in the seal cavity, and the seal cavity is equipped with the close to one end of the internal stop
One sealing ring, the other end are equipped with the second sealing ring.
Further, the nitrogen charging device further includes bottom plate, and the first nitrogen charging component and the second nitrogen charging component are set to
On the bottom plate.
The technical program advantage is:
1. using the present invention nitrogen charging operating procedure can be simplified to two air-conditioner stop valves while nitrogen filled protection;
2. the present invention uses sealing structure, the nitrogen avoided during nitrogen charging is excessive;
3. the present invention is after the completion of nitrogen charging, it can be achieved that automatically shutting down for nitrogen, avoids nitrogen from wasting.
Detailed description of the invention:
In order to illustrate more clearly of technical solution of the present invention, attached drawing of the invention will be briefly described, is shown below
And easy insight, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art,
Without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of the present invention in a first direction;
Fig. 2 is stereoscopic schematic diagram of the present invention in second direction;
Fig. 3 is stereoscopic schematic diagram of the present invention in third direction;
Fig. 4 is the diagrammatic cross-section of the first nitrogen charging component of the invention;
Fig. 5 uses schematic diagram for of the invention;
Further to clearly demonstrate the connection relationship between structure of the invention and each component, the following drawings mark is given
Note, and be illustrated:
1- control pincers;
11- upper grip head, 12- lower pliers head, 13- upper plier handle, 14- lower plier handle, 15- pin shaft, 16- spring;
2- upper fixture block;
The first transverse part of 21-, the second transverse part of 22-, the longitudinal direction 23- portion;
3- lower fixture block;
The first transverse part of 31-, the second transverse part of 32-, the longitudinal direction 33- portion;
4- the first nitrogen charging component;
41- gas-tpe fitting portion, 42- sealing, 421- internal stop, 422- thimble, 423- seal cavity,
The first sealing ring of 4231-, the second sealing ring of 4232-;
5- the second nitrogen charging component;
51- gas-tpe fitting portion, 52- sealing, 521- internal stop, 522- thimble, 523- seal cavity,
The first sealing ring of 5231-, the second sealing ring of 5232-;
6- bottom plate;
The total nitrogen inlet of 7-;
The first air inlet pipe of 71-, the second air inlet pipe of 72-.
Description of symbols through the above attached drawings can be more clearly understood and illustrate this hair in conjunction with the embodiment of the present invention
Bright technical solution.
Specific embodiment
In order to make technological means of the invention, achieve the goal with effect it can be readily appreciated that below with reference to being specifically illustrating to this hair
Bright embodiment is described in detail.
As illustrated in the accompanying drawings from 1 to 3, the present invention provides a kind of nitrogen charging devices, it is characterised in that: clamps 1, upper fixture block including control
2, lower fixture block 3, the first nitrogen charging component 4 and the second nitrogen charging component 5;The upper grip head at the middle part of the upper fixture block 2 and the control pincers 1
11 connections, both sides are connect with the tip side of the tip side of the first nitrogen charging component 4 and the second nitrogen charging component 5 respectively;
The middle part of the lower fixture block 3 with it is described control pincers 1 lower pliers head 12 connect, both sides respectively with the first nitrogen charging component 4
Bottom end is connected with the bottom end of the second nitrogen charging component 5.
Specifically, the upper fixture block 2 is Z-type structure, including the first transverse part 21 and the second transverse part 22 being parallel to each other,
And longitudinal portion 23 of connection first transverse part 21 and the second transverse part 22.The lower fixture block 3 is similarly Z-type structure, packet
Include the first transverse part 31 and the second transverse part 32 being parallel to each other, and connection first transverse part 31 and the second transverse part 32
Longitudinal portion 33.In addition, can to the lower fixture block 3 and stop valve of air conditioner disc self-adaptive processing, so that cooperation is reliable,
Prevent plowing from screw thread end face.
Specifically, the middle part of the upper fixture block 2 is connect by the longitudinal direction portion 23 with the upper grip head 11, both sides pass through
First transverse part 21 and the second transverse part 22 respectively with the tip side of the first nitrogen charging component 4 and second nitrogen charging portion
The tip side of part 5 connects;The middle part of the lower fixture block 3 is connect by stating longitudinal portion 33 with the lower pliers head 12, and both sides pass through
First transverse part 31 and the second transverse part 32 respectively with the bottom end of the first nitrogen charging component 4 and the second nitrogen charging component
5 bottom end connection.
Specifically, the first transverse part 21 and the second transverse part 22 of the upper fixture block 2 are respectively provided with an aperture and (do not show in figure
Show), the aperture runs through the tip side of the first nitrogen charging component 4 and the second nitrogen charging component 5.The first nitrogen charging component
The tip side of 4 tip side and the second nitrogen charging component 5 is respectively equipped with fixture nut.The fixture nut is for making described the
The tip side of one nitrogen charging component 4 or the second nitrogen charging component 5 is fixed in the upper fixture block 2.
Control pincers 1 further include upper plier handle 13, lower plier handle 14, pin shaft 15 and spring 16, the upper grip head 11 and upper pincers
Handle 13 be integrally formed and can be rotated around the pin shaft 15, the lower pliers head 12 and lower plier handle 14 integrated molding and can be around the pin shaft
15 rotations, the clamp handle 13 and lower plier handle 14 are connected by the spring 16.
When the nitrogen charging device is in first state, the first nitrogen charging component 4 and the second nitrogen charging component 5 can be with nitrogen
The free fitting of air inlet pipe or disengaging;When the nitrogen charging device is in the second state, the first nitrogen charging component 4 and the second nitrogen charging
Component 5 can be with nitrogen inlet duct clamping.
Specifically, when the nitrogen charging device is in first state, held with a firm grip the upper plier handle of the control pincers 1 by operating staff
13 and lower plier handle 14, the spring 16 compressed.Since the upper grip head 11 and upper plier handle 13 are rotated around the pin shaft 15, and institute
Lower pliers head 12 and lower plier handle 14 is stated to rotate around the pin shaft 15, therefore, the band close to each other of the upper plier handle 13 and lower plier handle 14
It moves the upper grip head 11 and lower pliers head 12 is separated from each other.Due to longitudinal portion 23 of the upper fixture block 2 and the upper pincers of the control pincers 1
First 11 connection, longitudinal portion 33 of the lower fixture block 3 are connect with the lower pliers head 12 of the control pincers 1, therefore, the upper grip head 11
The opening for driving the upper fixture block 2 and lower fixture block 3 is separated from each other with lower pliers head 12.At this point, lower fixture block 3 is deep into shut-off valve bottom
Cooperate on the upside of end face cooperation, upper fixture block 2 and large and small shut-off valve valve port.Due to the first transverse part 21 and second of the upper fixture block 2
Transverse part 22 is connect with the tip side of the tip side of the first nitrogen charging component 4 and the second nitrogen charging component 5 respectively;The institute
State the first transverse part 31 and the second transverse part 32 bottom end and described second with the first nitrogen charging component 4 respectively of lower fixture block 3
The bottom end of nitrogen charging component 5 connects, and therefore, 4 He of the first nitrogen charging component can be achieved in the opening of the upper fixture block 2 and lower fixture block 3
Free fitting or disengaging of the second nitrogen charging component 5 with nitrogen inlet duct.When the first nitrogen charging component 4 and the second nitrogen charging component 5
With the fitting of nitrogen inlet duct, release handle.At this point, when the nitrogen charging device is in the second state.Institute is unclamped by operating staff
The upper plier handle 13 and lower plier handle 14 of control pincers 1 are stated, the spring 16 resets, and is no longer influenced by the pressure of operator.At this point, described
Upper grip head 11 and upper plier handle 13 are acted on by the elastic force of the spring 16, and therefore, the upper grip head 11 and lower pliers head 12 mutually lean on
Closely.The clamping of the drive close to each other of the upper grip head 11 and lower pliers head 12 upper fixture block 2 and lower fixture block 3.The upper fixture block 2
The first nitrogen charging component 4 and the second nitrogen charging component 5 and nitrogen inlet duct clamping can be achieved in clamping with lower fixture block 3.When described
First nitrogen charging component 4 and the second nitrogen charging component 5 and nitrogen inlet duct clamping, start to be filled with nitrogen.When nitrogen charging terminates, again by grasping
It holds with a firm grip the upper plier handle 13 and lower plier handle 14 of the control pincers 1 as employee, the nitrogen charging device is in first state, can realize at this time
The disengaging of the first nitrogen charging component 4 and the second nitrogen charging component 5 and nitrogen inlet duct.
By above technical scheme, it can be achieved that nitrogen charging while two shut-off valve of air conditioner size.In order to further increase
Technical effect, the also settable associated components for playing sealing function of the present invention.Specifically, as shown in Fig. 4, first nitrogen charging
Component 4 includes gas-tpe fitting portion 41 and sealing 42, and the sealing 42 is respectively included with apertured internal stop 421, thimble
422 and seal cavity 423.Accordingly, the second nitrogen charging component 5 equally includes that gas-tpe fitting portion 51 and sealing 52 are (described
The internal structure of second nitrogen charging component 5 is identical as the first nitrogen charging component 4, therefore is not repeated to show in the accompanying drawings), it is described
Sealing 52 is respectively included with apertured internal stop 521, thimble 522 and seal cavity 523.The gas-tpe fitting portion 41 is set
Meter is convenient and efficient so that tracheae can be inserted directly into, connect and seal, without other special connections processing.
The sealing 42 of the first nitrogen charging component 4 is removably connected by helicitic texture with the gas-tpe fitting portion 41
It connects;The sealing 52 of the second nitrogen charging component 5 is removably connect by helicitic texture with the gas-tpe fitting portion 51.Cause
This, can replace matched sealing structure according to cut-off valve face size.
The internal stop 421 of the sealing 42 of the first nitrogen charging component 4 is located at the sealing 42 and connects close to the tracheae
The one end on head 41, and be fixedly connected with the thimble 422, the thimble 422 is located in the seal cavity 423, described close
It seals cavity 423 and is equipped with the first sealing ring 4231 close to one end of the internal stop 421, the other end is equipped with the second sealing ring 4232.
The internal stop 521 of the sealing 52 of the second nitrogen charging component 5 is located at the sealing 52 close to the gas-tpe fitting portion 51
One end, and be fixedly connected with the thimble 522, the thimble 522 is located in the seal cavity 523, the seal cavity 523
It is equipped with the first sealing ring 5231 close to one end of the internal stop 521, the other end is equipped with the second sealing ring 5232.
As shown in Fig. 5, in use, nitrogen is by total nitrogen inlet 7, respectively through the first air inlet pipe 71 and second
Air inlet pipe 72 enters the gas-tpe fitting portion 41 of the first nitrogen charging component 4 and the gas-tpe fitting portion 51 of the second nitrogen charging component 5.
Specifically, the nitrogen transtracheal connector portions 41 into the first nitrogen charging component 4 enter with apertured internal stop
It 421 and flows downward along the edge in 421 gap of internal stop, the first sealing ring 4231 of the first nitrogen charging component 4 is by nitrogen-sealed.
During nitrogen charging, 4232 stress of the second sealing ring is mobile, after 4232 stress of the second sealing ring, first sealing
Circle 4231 is whole to be moved up, and pushing of the thimble 422 by the internal stop 421, nitrogen is successively according to the first air inlet pipe 71, gas
Pipe fitting portion 41, internal stop 421, the first sealing ring 4231, the second sealing ring 4232 sequence be charged into stop valve of air conditioner
It is interior.Nitrogen transtracheal connector portions 51 into the second nitrogen charging component 5 enter with apertured internal stop 521 and along interior gear
The edge in 521 gap of block flows downward, and the first sealing ring 5231 of the second nitrogen charging component 5 is by nitrogen-sealed.During nitrogen charging,
Second sealing ring, 5232 stress is mobile, and after 5232 stress of the second sealing ring, first sealing ring 5231 is on the whole
Move, pushing of the thimble 522 by the internal stop 521, nitrogen successively according to the second air inlet pipe 72, gas-tpe fitting portion 51,
Internal stop 521, the first sealing ring 5231, the second sealing ring 5232 sequence be charged into stop valve of air conditioner.
In addition, a kind of nitrogen charging device further includes bottom plate 6, the first nitrogen charging component 4 and the setting of the second nitrogen charging component 5
In on the bottom plate 6.To facilitate the transfer and fixation of the nitrogen charging device.
Obviously, above-described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art without creative efforts to these embodiments carry out it is various
Variation, modification, replacement and improvement, should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of nitrogen charging device, it is characterised in that: clamp (1), upper fixture block (2), lower fixture block (3), the first nitrogen charging component including control
(4) and the second nitrogen charging component (5);The middle part of the upper fixture block (2) is connect with the upper grip head (11) of the control pincers (1), two sides
Portion is connect with the tip side of the tip side of the first nitrogen charging component (4) and the second nitrogen charging component (5) respectively;The lower folder
The middle part of block (3) with it is described control pincers (1) lower pliers head (12) connect, both sides respectively with the first nitrogen charging component (4)
Bottom end is connected with the bottom end of the second nitrogen charging component (5).
2. a kind of nitrogen charging device according to claim 1, it is characterised in that: when the nitrogen charging device is in first state
When, the first nitrogen charging component (4) and the second nitrogen charging component (5) can be with the free fitting of nitrogen inlet duct or disengagings;It is filled when described
When nitrogen device is in the second state, the first nitrogen charging component (4) and the second nitrogen charging component (5) can be with nitrogen inlet duct clampings.
3. a kind of nitrogen charging device according to claim 1, it is characterised in that: the control pincers (1) further include upper plier handle
(13), lower plier handle (14), pin shaft (15) and spring (16), the upper grip head (11) and upper plier handle (13) are integrally formed and can be around institutes
Pin shaft (15) rotation is stated, the lower pliers head (12) and lower plier handle (14) are integrally formed and can rotate around the pin shaft (15), described
Clamp handle (13) and lower plier handle (14) are connected by the spring (16).
4. a kind of nitrogen charging device according to claim 1, it is characterised in that: the upper fixture block (2) and lower fixture block (3) are Z
Type structure respectively includes the first transverse part (21 or 31) being parallel to each other and the second transverse part (22 or 32), and described in connection
Longitudinal portion (23 or 33) of first transverse part (21 or 31) and the second transverse part (22 or 32).
5. a kind of nitrogen charging device according to claim 4, it is characterised in that: the middle part of the upper fixture block (2) passes through described
Longitudinal portion (23) connect with the upper grip head (11), and both sides pass through first transverse part (21) and the second transverse part (22) point
It is not connect with the tip side of the tip side of the first nitrogen charging component (4) and the second nitrogen charging component (5);The lower fixture block
(3) middle part is connect by stating longitudinal portion (33) with the lower pliers head (12), both sides by first transverse part (31) and
Second transverse part (32) is connect with the bottom end of the bottom end of the first nitrogen charging component (4) and the second nitrogen charging component (5) respectively.
6. a kind of nitrogen charging device according to claim 1, it is characterised in that: the first nitrogen charging component (4) and second is filled
Nitrogen component (5) respectively includes gas-tpe fitting portion (41 or 51) and sealing (42 or 52), and the sealing (42 or 52) is wrapped respectively
It includes with apertured internal stop (421 or 521), thimble (422 or 522) and seal cavity (423 or 523).
7. a kind of nitrogen charging device according to claim 6, it is characterised in that: the sealing (42 or 52) passes through screw thread knot
Structure is removably connect with the gas-tpe fitting portion (41 or 51).
8. a kind of nitrogen charging device according to claim 6, it is characterised in that: the internal stop (421 or 521) is located at described
Sealing (42 or 52) is fixed with the thimble (422 or 522) and is connected close to the one end of the gas-tpe fitting portion (41 or 51)
It connects, the thimble (422 or 522) is located in the seal cavity (423 or 523), and the seal cavity (423 or 523) is close
One end of the internal stop (421 or 521) is equipped with the first sealing ring (4231 or 5231), and the other end is equipped with the second sealing ring
(4232 or 5232).
9. a kind of nitrogen charging device according to claim 1, it is characterised in that: further include bottom plate (6), first nitrogen charging portion
Part (4) and the second nitrogen charging component (5) are set on the bottom plate (6).
Priority Applications (1)
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CN201710579759.3A CN109268604B (en) | 2017-07-17 | 2017-07-17 | Nitrogen charging device |
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CN201710579759.3A CN109268604B (en) | 2017-07-17 | 2017-07-17 | Nitrogen charging device |
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CN109268604A true CN109268604A (en) | 2019-01-25 |
CN109268604B CN109268604B (en) | 2024-04-26 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111089495A (en) * | 2019-12-12 | 2020-05-01 | 东莞市泰丰空调制冷设备有限公司 | Nitrogen charging equipment for manufacturing condenser and using method thereof |
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CN203282055U (en) * | 2013-04-24 | 2013-11-13 | 珠海格力电器股份有限公司 | Nitrogen charging tool and air conditioner welding tool with same |
CN203509384U (en) * | 2013-08-15 | 2014-04-02 | 格力电器(石家庄)有限公司 | Nitrogen charging tool and air conditioner welding tool with nitrogen charging tool |
CN105058297A (en) * | 2015-08-14 | 2015-11-18 | 南车株洲电力机车有限公司 | Electric loading/unloading clamp of electric equipment joint |
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CN111089495A (en) * | 2019-12-12 | 2020-05-01 | 东莞市泰丰空调制冷设备有限公司 | Nitrogen charging equipment for manufacturing condenser and using method thereof |
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