CN207139133U - Valve body welding tool - Google Patents
Valve body welding tool Download PDFInfo
- Publication number
- CN207139133U CN207139133U CN201720639344.6U CN201720639344U CN207139133U CN 207139133 U CN207139133 U CN 207139133U CN 201720639344 U CN201720639344 U CN 201720639344U CN 207139133 U CN207139133 U CN 207139133U
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- tracheae
- valve body
- lid
- pipe fitting
- gas outlet
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Abstract
The utility model provides a kind of valve body welding tool, including：Tracheae, air pipe sleeve leave the first radial clearance between the first valve body pipe fitting in the first valve body pipe fitting, at least one gas outlet are offered in the side wall of tracheae；Lid, setting is bonded with the end face of the first end of tracheae, and lid is used for the first end for closing tracheae；Protection department, it is arranged between tracheae and the first valve body pipe fitting, it is correspondingly arranged with gas outlet, and there is the second radial clearance with tracheae and the first valve body pipe fitting respectively, protection department is used to cover gas outlet, to stop that coolant enters tracheal strips by gas outlet, wherein, in welding process, after anti-oxidation gas enters tracheae from the second end of tracheae, it is discharged between tracheae and protection department, is then drained into the first valve body pipe fitting from least one gas outlet.By the technical solution of the utility model, it can stop that coolant enters tracheal strips, so as to the production efficiency blown water conservancy project sequence, improve product of reduction.
Description
Technical field
Valve body welding field is the utility model is related to, in particular to a kind of valve body welding tool.
Background technology
At present, when to valve body pipe fitting welding, it is necessary to fill anti-oxidation gas into valve body pipe fitting, prevent in valve body pipe fitting pipe
Oxide skin is produced, and part valve body pipe fitting is needed to take cooling measure in welding, and non-metallic part 104A is protected,
In order to improve production efficiency and ensure that non-metallic part is not ruined, in correlation technique, as depicted in figs. 1 and 2, leaching is typically taken
The mode of water welding, the mouth of pipe of the tracheae 102 of existing nitrogen charging frock sets upward, when removing the first valve body pipe fitting 104 and second
After valve body pipe fitting 106, shower water enters in tracheae 102, and after again insertable into valve body pipe fitting, water can be blown into valve by anti-oxidation gas
In body pipe fitting, so as to bring refrigeration system into, now, then increase is needed to blow water conservancy project sequence, low production efficiency, if there is residual moisture making
In cooling system, then compressor fault can be caused, greatly reduce the performance of product.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, a purpose of the present utility model is to provide a kind of valve body welding tool.
To achieve the above object, the utility model provides a kind of valve body welding tool, and valve body welding tool is used for valve body
Pipe fitting valve body pipe fitting assembling components weld, and valve body welding tool includes：Tracheae, air pipe sleeve are located in the first valve body pipe fitting, and with
The first radial clearance is left between first valve body pipe fitting, at least one gas outlet is offered in the side wall of tracheae；Lid, with tracheae
The end face fitting of first end set, lid is used to close the first end of tracheae；Protection department, it is arranged on tracheae and the first valve body tube
Between part, it is correspondingly arranged with gas outlet, and there is the second radial clearance with tracheae and the first valve body pipe fitting respectively, protection department is used
In covering gas outlet, to stop that coolant enters tracheal strips by gas outlet, wherein, in welding process, anti-oxidation gas from
After second end of tracheae enters tracheae, it is discharged into from least one gas outlet between tracheae and protection department, then drains into the first valve body
In pipe fitting.
In the technical scheme, setting is bonded with the end face of the first end of tracheae by setting lid, and by lid, is used for
The first end of tracheae is closed, when cooling to valve body pipe fitting component, coolant will not enter in tracheae from the first end of tracheae, lead to
Cross and protection department is set in the outside of tracheae, and be correspondingly arranged with the gas outlet in tracheae side wall, coolant can be stopped by going out
Gas port enters tracheal strips, effectively reduces in tracheae and coolant be present, and then to the first valve body pipe fitting and other valve bodies
When pipe fitting welding is processed, coolant will not be carried into the anti-oxidation gas in the first valve body pipe fitting and the second valve body pipe fitting, from
And what can be reduced blows water conservancy project sequence, the production efficiency of product is improved.
It is to be appreciated that when valve body pipe fitting component after assembling is used for refrigeration pipe, if coolant remains
In the first valve body pipe fitting and/or other valve body pipe fittings, coolant will be brought into refrigeration system, so as to which compressor can be damaged,
Influence properties of product.
Specifically, when being cooled using automatic spraying device to the outer wall of the first valve body pipe fitting, if being not turned off woods
The first valve body pipe fitting is removed during water installations suddenly, water will be directly drenched on lid and/or protection department, will not enter tracheal strips.
In addition, even if first closing liquid distribution, still there is residual water on the outer wall of the first valve body pipe fitting, removing the first valve body
When pipe fitting moves, the residual water on its outer wall can still drop on lid and/or protection department, will not enter tracheal strips, should
Structure can effectively prevent water from entering in tracheae.
In addition, the valve body welding tool in above-described embodiment provided by the utility model can also have following supplementary technology
Feature：
In the above-mentioned technical solutions, it is preferable that protection department includes：Pipeline section is protected, the one end and lid for protecting pipeline section are fixed
Connection, protect the other end of pipeline section to extend to the second end of tracheae, to cover gas outlet, protect pipeline section tracheae and lid to surround
Into first chamber, wherein, after anti-oxidation gas enters first chamber by gas outlet, by protecting the second end of pipeline section to be expelled to
In first valve body pipe fitting.
In the technical scheme, by being set up defences pillar section in the outer cover of tracheae, and the first end and lid of pipeline section will be protected
The edge of body is fixedly connected, so that the outer wall and lid of the inwall of protection pipeline section, tracheae are encircled into first chamber.Protect pipeline section
The opening of first chamber is formed between second end and the outer wall of tracheae, wherein, gas outlet face protects the inwall of pipeline section, anti-oxidation
After gas enters first chamber by gas outlet, it is expelled to by the opening of first chamber in the first valve body pipe fitting, it is anti-by this
Pillar section, it can effectively stop that coolant enters tracheal strips from gas outlet, wherein the second end of protection pipeline section connects with lid sealing
Connect, the coolant of its junction will not enter in first chamber.
Specifically, anti-oxidation gas flows from bottom to top in tracheae, anti-oxidation after entering first chamber by gas outlet
Gas is flowed from top to bottom in first chamber, and the opening for the first chamber for passing through lower end is drained into the first valve body pipe fitting, i.e.,
Make water or coolant in tracheae be present, will not be also blown in the first valve body pipe fitting, there is good waterproof action, and then improve
Water conservancy project sequence is blown in welding effect, reduction.
In any of the above-described technical scheme, it is preferable that protection department includes：At least one protective plate, be provided at circumferentially spaced in
On lid, and it is oppositely arranged with least one gas outlet, at least second chamber is formed between protective plate and tracheae, wherein, oxygen
After change gas enters at least second chamber by gas outlet, it is expelled to by the opening of second chamber in the first valve body pipe fitting.
In the technical scheme, it is connected by setting at least one protective plate, and with the outer wall of tracheae, the protective plate is with appointing
One gas outlet of meaning is correspondingly arranged, and second chamber is formed between protective plate and tracheae, and protective plate is used to stop that coolant is led to
Cross corresponding gas outlet and enter tracheal strips.
Preferably, protective plate corresponds to the spray direction setting of coolant.
Specifically, coolant carries out spraying cooling from top to bottom, and the opening of second chamber is arranged on lower end, anti-oxidation gas
Into after second chamber, flow, be finally expelled to via the lower ending opening of second chamber in the first valve body pipe fitting from top to bottom.
In any of the above-described technical scheme, it is preferable that the connected mode of protection pipeline section and lid includes welding, clamping and spiral shell
Line connects, and the connected mode of lid and tracheae includes welding, clamping and threaded connection.
In the technical scheme, protect the connected mode of pipeline section and lid to include but is not limited to welding, clamping and screw thread and connect
Connecing, the connected mode of lid and tracheae includes but is not limited to welding, clamping and threaded connection, wherein, utilizing welding or spiral shell
When line connects, its connection reliability is high, and good leak tightness, and when using clamping, it is readily disassembled and assembled, and flexibility is strong,
Using and during maintenance it is more convenient.
In any of the above-described technical scheme, it is preferable that lid, tracheae and protection pipeline section are integral type structure.
In the technical scheme, it is integral type structure by setting lid, tracheae and protection pipeline section, greatly improves envelope
Effect is closed, there is good barrier propterty.
Specifically, anti-oxidation gas flows from bottom to top in the tracheae of integral structure, due to lid closing tracheae
First end, anti-oxidation gas will enter first chamber by gas outlet, due to being tightly connected between lid and protection pipeline section, oxygen
Changing gas will flow from top to bottom in first chamber, and the opening for the first chamber for passing through lower end drains into the first valve body pipe fitting
In, it even if water or coolant in tracheae be present, will not be also blown in the first valve body pipe fitting, there is good waterproof liquid-proof to make
With, and then welding effect is improved, water conservancy project sequence is blown in reduction, further, improves the performance of product.
In any of the above-described technical scheme, it is preferable that tracheae and protection pipeline section are round tube, and lid is and protection pipeline section
The circular lid being engaged.
In the technical scheme, by set tracheae and protection pipeline section be round tube, and set lid be and protection
Pipeline section is engaged circular lid, makes preferably be connected between tracheae, lid and protection pipeline section, forms stable oxygen
Change gas flow path.
In addition, tracheae and protection pipeline section can be rectangular tube, lid is the square lid being engaged with protection pipeline section.
In any of the above-described technical scheme, it is preferable that protection pipeline section setting coaxial with tracheae.
In the technical scheme, by set protect pipeline section setting coaxial with tracheae, with ensure tracheae with protect pipeline section it
Between corresponding each position radial clearance it is identical, make anti-oxidation gas flow path stable, turbulent flow will not be produced, and accumulate impurity
Situation, and cause overall structure neat appearance.
Further, since leaving specified radial clearance between protection pipeline section and tracheae, can determine to prevent according to the radial clearance
The length of pillar section, it is set effectively to stop that coolant enters tracheal strips by gas outlet, moreover it is possible to save material, more
Economy.
In any of the above-described technical scheme, it is preferable that when the quantity of gas outlet is multiple, multiple gas outlets are with tracheae
Centered on axis, circumferentially it is uniformly arranged along the side wall of tracheae.
In the technical scheme, by gas outlet quantity for it is multiple when, using the axis of tracheae as rotary shaft, circumference
Array sets multiple gas outlets so that anti-oxidation gas can flow to each position of first chamber, each in first chamber
The anti-oxidation gas pressure of position is identical, and nitrogen charging guarantor is carried out to the first valve body pipe fitting and the second valve body pipe fitting so as to stable
Shield, lift welding effect.
In any of the above-described technical scheme, it is preferable that also include：Seal, the connecting portion of lid and tracheae is installed on,
To be tightly connected position.
In the technical scheme, seal is set by the connecting portion in lid and tracheae, makes its sealing, can be effective
Anti- impervious liquid, the anti-oxidation gaseous mass in tracheae is further improved, prevents coolant from entering in tracheae.
In any of the above-described technical scheme, it is preferable that the upper surface of lid is sphere, the conical surface or plane.
In the technical scheme, it is sphere or the conical surface by setting the upper surface of lid, can makes to fall cold on lid
But liquid quickly slides, and reduces the situation of lid upper end accumulation coolant, and then when needing nitrogen charging, will not be by the coolant of upper end
It is blown into the first valve body pipe fitting.By the way that the upper surface of lid is arranged on into plane, the height of valve body welding tool can be reduced, is made
Its is more convenient and practical, wherein, chamfering or fillet can also be set at the edge of the plane, prevent from scratching, to improve security.
In any of the above-described technical scheme, it is preferable that also include：Support baseboard, centre bore is offered on support baseboard, prop up
The upper surface of support bottom plate is bonded setting, centre bore setting coaxial with tracheae, so that support baseboard with the end face at the second end of tracheae
Turned on tracheae.
In the technical scheme, by setting support baseboard, tracheae is assembled on support baseboard, and perpendicular to support bottom
Plate is set, and when carrying out assembly welding to the first valve body pipe fitting and the second valve body pipe fitting, support baseboard is used to support the first valve body
Pipe fitting, while the insertion depth of tracheae can be adjusted, to improve nitrogen charging effect.
Wherein, the second end of tracheae extends to the bottom of support baseboard, and is connected with source of the gas, and anti-oxidation gas passes through support
The bottom of bottom plate enters in tracheae.
In any of the above-described technical scheme, it is preferable that the diameter of centre bore is identical with the internal diameter of tracheae.
It is identical by the internal diameter that the diameter of centre bore is arranged to tracheae in the technical scheme, make support baseboard and gas
Pipe is in smoothing junction, so that the importing of anti-oxidation gas is more smooth.
In any of the above-described technical scheme, it is preferable that support baseboard and tracheae are formed in one structure.
In the technical scheme, by the way that support baseboard and tracheae are arranged into integrated formed structure, number of assembling steps is saved, and
And better tightness.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality
The practice of type is recognized.
Brief description of the drawings
Fig. 1 shows the structural representation of the valve body welding tool of one embodiment in correlation technique；
Fig. 2 shows the structural representation of the valve body welding tool of another embodiment in correlation technique；
Fig. 3 shows the structural representation of the valve body welding tool according to one embodiment of the present utility model；
Fig. 4 shows the structural representation of the valve body welding tool according to one embodiment of the present utility model,
Wherein, the corresponding relation in Fig. 1 and Fig. 2 in correlation technique between reference and component names is：
102 tracheaes, 104 first valve body pipe fittings, 106 second valve body pipe fittings, 108 shower waters, 104A non-metallic parts；
Corresponding relation in Fig. 3 and Fig. 4 in the utility model between reference and component names is：
202 tracheaes, 204 lids, 206 protection pipeline sections, 208 support baseboards, 202A gas outlets.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously
It is not limited to the limitation of following public specific embodiment.
With reference to Fig. 3 and Fig. 4 to being specifically described according to the valve body welding tool of embodiment of the present utility model.
As shown in Figure 3 and Figure 4, according to the valve body welding tool of one embodiment of the present utility model, valve body welding tool
Welded for valve body pipe fitting assembling components, valve body welding tool includes：Tracheae 202, tracheae 202 are sheathed on the first valve body pipe fitting
It is interior, and radial clearance is left between the first valve body pipe fitting, at least one gas outlet 202A is offered in the side wall of tracheae 202；
Lid 204, setting is bonded with the end face of the first end of tracheae 202, and lid is used for the first end for closing tracheae 202；Protection department, if
Put between the valve body pipe fitting of tracheae 202 and first, be correspondingly arranged with gas outlet 202A, and respectively with the valve of tracheae 202 and first
Body pipe fitting has the second radial clearance, and protection department is used to cover gas outlet, to stop that coolant enters gas by gas outlet 202A
In pipe 202, wherein, in welding process, after anti-oxidation gas enters tracheae 202 by the second end of tracheae 202, from least one
Individual gas outlet 202A is discharged between tracheae 202 and protection department, is then drained into the first valve body pipe fitting.
In the technical scheme, it is bonded by setting lid 204, and by lid 204 with the end face of the first end of tracheae 202
Set, for closing the first end of tracheae 202, when to the first valve body pipe fitting and the cooling of the second valve body pipe fitting, coolant will not
Enter from the first end of tracheae 202 in tracheae 202.By setting protection department in the outside of tracheae 202, and with the side wall of tracheae 202
On gas outlet 202A be correspondingly arranged, can stop coolant by gas outlet 202A enter tracheae 202 in, effectively reduce tracheae
Coolant in 202 be present, and then when to the first valve body pipe fitting and the processing of other valve body pipe fittings, into the first valve body tube
Anti-oxidation gas in part and the second valve body pipe fitting will not carry coolant, blow water conservancy project sequence so as to reduction, improve product
Production efficiency.
It is to be appreciated that when the first valve body pipe fitting component after assembling is used for refrigeration pipe, if coolant
Remain in the first valve body pipe fitting and/or the second valve body pipe fitting, coolant will be brought into refrigeration system, so as to damage compression
Machine, influence properties of product.
Specifically, when being cooled using automatic spraying device to the outer wall of the first valve body pipe fitting, if being not turned off woods
The first valve body pipe fitting is removed during water installations suddenly, water will be directly drenched on lid 204 and/or protection department, will not enter tracheae 202
It is interior.
In addition, even if first closing liquid distribution, still there is residual water on the outer wall of the first valve body pipe fitting, removing the first valve body
When pipe fitting moves, the residual water on its outer wall can still drop on lid 204 and/or protection department, will not enter tracheae 202
Interior, the structure can effectively prevent water from entering in tracheae 202.
In addition, the valve body welding tool in above-described embodiment provided by the utility model can also have following supplementary technology
Feature：
As shown in Figure 3 and Figure 4, in the above-mentioned technical solutions, it is preferable that protection department includes：Protect pipeline section 206, protecting tube
The first end of section 206 is fixedly connected with lid 204, protects the other end of pipeline section 206 to extend to the second end of tracheae 202, to cover
Lid gas outlet 202A, protection pipeline section 206 are encircled into first chamber with tracheae 202 and lid 204, wherein, anti-oxidation gas leads to
Gas outlet 202A is crossed into after first chamber, by protecting the second end of pipeline section 206 to be expelled in the first valve body pipe fitting.
In the technical scheme, by being set up defences pillar section 206 in the outer cover of tracheae 202, and the of pipeline section 206 will be protected
One end is fixedly connected with the edge of lid 204, so that the outer wall and lid 204 of the inwall of protection pipeline section 206, tracheae 202 surround
Into first chamber.Protect between the second end of pipeline section 206 and the outer wall of tracheae 202 and form the opening of first chamber, wherein, outlet
The inwall of mouth 202A face protection pipeline sections 206, after anti-oxidation gas enters first chamber by gas outlet 202A, passes through the first chamber
The opening of room is expelled in the first valve body pipe fitting, by the protection pipeline section 206, can effectively stop coolant from gas outlet 202A
Into in tracheae 202, wherein the second end of protection pipeline section 206 is tightly connected with lid 204, the coolant of its junction will not be entered
Enter in first chamber.
Specifically, anti-oxidation gas flows from bottom to top in tracheae 202, enters first chamber by gas outlet 202A
Afterwards, anti-oxidation gas flows from top to bottom in first chamber, and the opening for the first chamber for passing through lower end drains into the first valve body
It in pipe fitting, even if water or coolant in tracheae 202 be present, will not be also blown in the first valve body pipe fitting, there is good waterproof
Effect, and then welding effect is improved, water conservancy project sequence is blown in reduction.
In any of the above-described technical scheme, it is preferable that protection department includes：At least one protective plate, be provided at circumferentially spaced in
On lid 204, and it is oppositely arranged with any one gas outlet 202A, second chamber is formed between protective plate and tracheae 202, its
In, after anti-oxidation gas enters second chamber by gas outlet 202A, the first valve body tube is expelled to by the opening of second chamber
In part.
In the technical scheme, it is connected by setting at least one protective plate, and with the outer wall of tracheae 202, the protective plate
It is correspondingly arranged with any one gas outlet 202A, and second chamber is formed between protective plate and tracheae 202, protective plate is used to hinder
Coolant is kept off by corresponding gas outlet 202A to enter in tracheae 202.
Preferably, protective plate corresponds to the spray direction setting of coolant.
Specifically, coolant carries out spraying cooling from top to bottom, and the opening of second chamber is arranged on lower end, anti-oxidation gas
Into after second chamber, flow, be finally expelled to via the lower ending opening of second chamber in the first valve body pipe fitting from top to bottom.
In any of the above-described technical scheme, it is preferable that the connected mode of protection pipeline section 206 and lid 204 includes welding, card
Connect and be threadedly coupled, the connected mode of lid 204 and tracheae 202 includes welding, clamping and threaded connection.
In the technical scheme, the connected mode of protection pipeline section 206 and lid 204 includes but is not limited to weld, clamping and
Threaded connection, the connected mode of lid 204 and tracheae 202 include but is not limited to welding, clamping and threaded connection, wherein, in profit
During with welding or threaded connection, its connection reliability is high, and good leak tightness, and when using clamping, it is readily disassembled and assembled,
Flexibility is strong, more convenient in use and maintenance.
In any of the above-described technical scheme, it is preferable that lid 204, tracheae 202 and protection pipeline section 206 are integral type structure.
It is integral type structure by setting lid 204, tracheae 202 and protection pipeline section 206, greatly in the technical scheme
Improve sealing effect, there is good barrier propterty.
Specifically, anti-oxidation gas flows from bottom to top in the tracheae 202 of integral structure, because lid 204 is closed
The first end of tracheae 202, anti-oxidation gas will enter first chamber by gas outlet 202A, due to lid 204 and protection pipeline section
It is tightly connected between 206, anti-oxidation gas will be flowed from top to bottom in first chamber, and the first chamber that passes through lower end is opened
Mouth is drained into the first valve body pipe fitting, even if water or coolant in tracheae 202 be present, will not be also blown in the first valve body pipe fitting,
Acted on good waterproof liquid-proof, and then improve welding effect, water conservancy project sequence is blown in reduction, further, improves the performance of product.
As shown in Figure 3 and Figure 4, in any of the above-described technical scheme, it is preferable that tracheae 202 is circle with protection pipeline section 206
Shape pipe, lid 204 are the circular lid being engaged with protection pipeline section 206.
It is round tube by setting tracheae 202 and protection pipeline section 206, and lid 204 is set in the technical scheme
To be engaged circular lid 204 with protection pipeline section 206, making can be more preferable between tracheae 202, lid 204 and protection pipeline section 206
It is connected, forms stable anti-oxidation gas flow path.
In addition, tracheae 202 and protection pipeline section 206 are rectangular tube, lid 204 is the side being engaged with protection pipeline section 206
Shape lid 204.
As shown in Figure 3 and Figure 4, in any of the above-described technical scheme, it is preferable that pipeline section 206 is coaxial with tracheae 202 sets for protection
Put.
In the technical scheme, by setting the axis collinear of the axis with tracheae 202 that protect pipeline section 206, to ensure gas
The radial clearance of corresponding each position is identical between pipe 202 and protection pipeline section 206, makes anti-oxidation gas flow path stable, will not
Turbulent flow is produced, and accumulates the situation of impurity, and causes overall structure neat appearance.
Further, since specified radial clearance is left between protection pipeline section 206 and tracheae 202, can be with according to the radial clearance
It is determined that the length of protection pipeline section 206, makes it effectively to stop that coolant is entered in tracheae 202 by gas outlet 202A,
Material, more economy can also be saved.
In any of the above-described technical scheme, it is preferable that when in gas outlet, 202A quantity is multiple, multiple gas outlets are with gas
Centered on the axis of pipe 202, circumferentially it is uniformly arranged along the side wall of tracheae 202.
In the technical scheme, by gas outlet 202A quantity for it is multiple when, using the axis of tracheae 202 for rotate
Axle, circumference array set multiple gas outlet 202A so that anti-oxidation gas can flow to each position of first chamber, the first chamber
The anti-oxidation gas pressure of each position in room is identical, so as to stable to the first valve body pipe fitting and the second valve body pipe fitting
Nitrogen filled protection is carried out, lifts welding effect.
In any of the above-described technical scheme, it is preferable that also include：Seal, it is installed on the company of lid 204 and tracheae 202
Socket part position, to be tightly connected position.
In the technical scheme, by setting seal in the connecting portion of lid 204 and tracheae 202, make its sealing, energy
Enough effectively anti-impervious liquids, further improve the anti-oxidation gaseous mass in tracheae 202, prevent coolant from entering in tracheae 202.
In any of the above-described technical scheme, it is preferable that the upper surface of lid 204 is sphere, the conical surface or plane.
In the technical scheme, it is sphere or the conical surface by setting the upper surface of lid 204, can makes to fall in lid 204
On coolant quickly slide, reduce the situation of lid 204 upper end accumulation coolant, and then when needing nitrogen charging, will not will be upper
The coolant at end is blown into the first valve body pipe fitting.By the way that the upper surface of lid 204 is arranged on into plane, valve body welding can be reduced
The height of frock, make its more convenient and practical, wherein, chamfering or fillet can also be set at the edge of the plane, prevent from scratching,
To improve security.
As shown in Figure 3 and Figure 4, in any of the above-described technical scheme, it is preferable that also include：Support baseboard 208, support bottom
Offer centre bore on plate 208, the upper surface of support baseboard is bonded setting with the end face at the second end of tracheae 202, centre bore with
The coaxial setting of tracheae, so that support baseboard 208 turns on tracheae 202.
In the technical scheme, by setting support baseboard 208, tracheae 202 is assembled on support baseboard 208, and hung down
Directly set in support baseboard 208, when carrying out assembly welding to the first valve body pipe fitting and the second valve body pipe fitting, support baseboard 208
For supporting the first valve body pipe fitting, while the insertion depth of tracheae 202 can be adjusted, to improve nitrogen charging effect.
Wherein, the second end of tracheae 202 extends to the bottom of support baseboard 208, and is connected with source of the gas, and anti-oxidation gas leads to
The bottom for crossing support baseboard 208 enters in tracheae 202.
In any of the above-described technical scheme, it is preferable that the diameter of centre bore is identical with the internal diameter of tracheae 202.
It is identical by the internal diameter that the diameter of centre bore is arranged to tracheae in the technical scheme, make support baseboard 208 with
Tracheae 202 is in smoothing junction, so that the importing of anti-oxidation gas is more smooth.
In any of the above-described technical scheme, it is preferable that support baseboard 208 and tracheae 202 are formed in one structure.
In the technical scheme, by the way that support baseboard 208 and tracheae 202 are arranged into integrated formed structure, assembling is saved
Step, and better tightness.
The technical solution of the utility model is described in detail above in association with accompanying drawing, the utility model provides a kind of valve body weldering
Frock is connect, can stop that coolant enters tracheal strips by gas outlet, effectively reduces in tracheae and coolant be present, and then
When to the first valve body pipe fitting and the processing of the second valve body pipe fitting, into anti-oxidation in the first valve body pipe fitting and the second valve body pipe fitting
Gas will not carry coolant, so as to the production efficiency blown water conservancy project sequence, improve product of reduction.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Instruction implies relative importance；Term " multiple " then refers to two or more, is limited unless otherwise clear and definite.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, can also
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, and can also be indirectly connected by intermediary.It is right
For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In description of the present utility model, it is to be understood that term " on ", " under ", "left", "right", "front", "rear" etc. refer to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or unit of instruction or hint meaning there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as to limitation of the present utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area
Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model,
Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.
Claims (11)
1. a kind of valve body welding tool, the valve body welding tool is used for valve body pipe fitting assembly welding, it is characterised in that the valve
Body welding tooling includes：
Tracheae, the air pipe sleeve are located in the first valve body pipe fitting, and between the first radial direction between the first valve body pipe fitting
Gap, at least one gas outlet is offered in the side wall of the tracheae；
Lid, setting is bonded with the end face of the first end of the tracheae, and the lid is used for the first end for closing the tracheae；
Protection department, be arranged between the tracheae and the first valve body pipe fitting, be correspondingly arranged with the gas outlet, and respectively with
The tracheae and the first valve body pipe fitting have the second radial clearance, and the protection department is used to cover the gas outlet, with
Stop that coolant is discharged into the tracheal strips by the gas outlet,
Wherein, in welding process, after anti-oxidation gas enters the tracheae from the second end of the tracheae, from described at least one
Individual gas outlet is discharged into the first valve body pipe fitting.
2. valve body welding tool according to claim 1, it is characterised in that the protection department includes：
Pipeline section is protected, one end of the protection pipeline section is fixedly connected with the lid, and the other end for protecting pipeline section is to described
The second end extension of tracheae, to cover the gas outlet, the protection pipeline section forms first with the tracheae and the lid
Chamber,
Wherein, after anti-oxidation gas enters the first chamber by the gas outlet, it is discharged into the first valve body pipe fitting.
3. valve body welding tool according to claim 1, it is characterised in that the protection department includes：
At least one protective plate, it is provided at circumferentially spaced on the lid, and is oppositely arranged with least one gas outlet, institute
State and at least one second chamber formed between protective plate and the tracheae,
Wherein, after anti-oxidation gas enters at least one second chamber by the gas outlet, it is discharged into first valve
In body pipe fitting.
4. valve body welding tool according to claim 2, it is characterised in that
The connected mode of the protection pipeline section and the lid includes welding, clamping and threaded connection；And/or
The connected mode of the lid and the tracheae includes welding, clamping and threaded connection.
5. valve body welding tool according to claim 2, it is characterised in that the lid, the tracheae and the protection
Pipeline section is formed in one structure.
6. valve body welding tool according to claim 2, it is characterised in that
The tracheae and the protection pipeline section are round tube, and the lid is the circular lid being engaged with the protection pipeline section
Body.
7. valve body welding tool according to claim 2, it is characterised in that
The protection pipeline section setting coaxial with the tracheae.
8. valve body welding tool according to claim 3, it is characterised in that
When the quantity of the gas outlet is multiple, centered on the axis of tracheae described in multiple gas outlets, along the tracheae
Side wall be circumferentially uniformly arranged.
9. valve body welding tool according to any one of claim 1 to 8, it is characterised in that also include：
Support baseboard, centre bore, and the upper surface of the support baseboard and the tracheae are offered on the support baseboard
The end face fitting at the second end is set, so that the support baseboard turns on the tracheae
Wherein, centre bore setting coaxial with the tracheae.
10. valve body welding tool according to claim 9, it is characterised in that
The diameter of the centre bore is identical with the internal diameter of the tracheae.
11. valve body welding tool according to claim 10, it is characterised in that
The support baseboard and the tracheae are formed in one structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639344.6U CN207139133U (en) | 2017-06-05 | 2017-06-05 | Valve body welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639344.6U CN207139133U (en) | 2017-06-05 | 2017-06-05 | Valve body welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207139133U true CN207139133U (en) | 2018-03-27 |
Family
ID=61670885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720639344.6U Active CN207139133U (en) | 2017-06-05 | 2017-06-05 | Valve body welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207139133U (en) |
-
2017
- 2017-06-05 CN CN201720639344.6U patent/CN207139133U/en active Active
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