CN201565397U - Openness adjusting and locking device of foaming filler spray gun - Google Patents
Openness adjusting and locking device of foaming filler spray gun Download PDFInfo
- Publication number
- CN201565397U CN201565397U CN2009202015858U CN200920201585U CN201565397U CN 201565397 U CN201565397 U CN 201565397U CN 2009202015858 U CN2009202015858 U CN 2009202015858U CN 200920201585 U CN200920201585 U CN 200920201585U CN 201565397 U CN201565397 U CN 201565397U
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- adjusting
- swivel nut
- regulating sleeve
- adjusting screw
- rod
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- Expired - Lifetime
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Abstract
An openness adjusting and locking device of a foaming filler spray gun belongs to the technical field of liquid spraying, and comprises a gun body, a gun pipe, a spraying nozzle, a trigger for controlling and adjusting flow capacity of filler, and a pushing rod thimble component located in the gun body and driven by the trigger, the openness adjusting and locking device of the foaming filler spray gun is further provided with a turnbuckle, a pre-tightening spring and an adjusting sleeve located on the terminal end of the gun body, the pre-tightening spring is sleeved on the bar portion of the pushing rod, one end is pressed on a lug boss of the pushing rod, the other end is pressed on the turnbuckle, the turnbuckle is screwed into the gun body through an outer screw thread, the turnbuckle is clamped with an adjusting turnbuckle, the turnbuckle and the adjusting sleeve are provided with inner holes which are adapted, one adjusting screw is located in the inner hole of the turnbuckle and the adjusting turnbuckle, the inner hole wall of the turnbuckle is provided with an inner screw thread, the adjusting screw is provided with a transmission outer screw thread, the rotation of the adjusting sleeve can drive the adjusting screw to rotate, the tail end of the pushing rod penetrates through one side of the turnbuckle and is located in the inner hole, and an elastic pressing plate or an elastic compression spring is arranged between the adjusting screw and the adjusting sleeve. The openness adjusting and locking device has simple structure, is safe and reliable, can be used to adjust easily, and has humanized automatic sound prompting function.
Description
Technical field
The utility model belongs to liquid spraying technique field, is specifically related to be used for cranny filler of polyurethane foam spray gun aperture and regulates and locking device.
Background technology
Functions such as that cranny filler of polyurethane foam has is fixing, sound insulation, insulation, waterproofing and leakage-stopping, thereby cranny filler of polyurethane foam particularly obtains using more and more widely at building field.In operating process, be equipped with spray gun usually and reach the purpose that is implemented into each target accurately and efficiently.
The foam gap filler spray gun, form by barral of a gun, rifle body and handle, the rifle body is provided with adapter, has the gap filler of pressure or other chemicals to enter in the rifle body by described adapter, and the rifle body is provided with the agent of controlled inhibition and generation length of schooling and enters the trigger of rifle body from barral of a gun ejection or ejaculation.The spray gun of prior art middle and high end is provided with aperture and regulates and locking device, but the structure ubiquity potential safety hazard of the aperture of spray gun adjusting at present and locking device, because adjusting and locking device are usually located at the end of caulking gun, adopt threaded screw rod to regulate the aperture of spray gun, safety measures such as caution sign or stopping means are not set, in use exist because of regulating the improper accidental bodily injury's who causes potential safety hazard, and prior art assembling inconvenience, effort regulated.
Summary of the invention
The aperture adjusting device does not have stopping means in the spray gun prior art in order to overcome, have the defective of potential safety hazard, the purpose of this utility model be to propose a kind of simple in structure, safe and reliable, regulate easily and and aperture with foam gap filler spray gun that the sound reminds regulate locking device.
The utility model solves the technical scheme that its technical problem adopts:
The aperture of foam gap filler spray gun is regulated locking device, comprise the rifle body, place the gun barrel of rifle body front end, the nozzle of gun barrel front end, control to adjust the trigger of gap filler flow and be positioned at the push rod thimble assembly that the rifle body is driven by trigger, it is characterized in that also being provided with swivel nut, preloading spring and the regulating sleeve that is positioned at rifle body end, preloading spring is sheathed on push rod bar portion, one end is against the boss of push rod, the other end relies on swivel nut, swivel nut is by screwing in the rifle body, swivel nut and Adjusting bolt Adjusting screw clamping, swivel nut and regulating sleeve all have the endoporus that adapts, and an adjusting screw(rod) is positioned at the endoporus of swivel nut and Adjusting bolt Adjusting screw, and the inner hole wall of swivel nut has internal thread, adjusting screw(rod) has the transmission external screw thread, the rotation of regulating sleeve can drive adjusting screw(rod) and rotate, and the tail end of push rod passes from swivel nut one side and is arranged in endoporus, is provided with elastic pressuring plate or elastic pressuring spring between adjusting screw(rod) and the regulating sleeve.
Further, described swivel nut is provided with the fixedly step surface of preloading spring, and this moment, swivel nut was an ancient cooking vessel shape roughly, and the step of Tu Chuing can be used to install preloading spring forward.
Described swivel nut and regulating sleeve are by the clamping of conical surface self-locking draw-in groove.Conical surface self-locking draw-in groove can in the prior art along some buckles of circumference, swivel nut can be provided with corresponding conical surface buckle in the junction with regulating sleeve, or corresponding buckle and fixture block or corresponding buckle and hole clipping, as long as satisfy easy to connect and firm self-locking conical surface clamping relation.
Described adjusting screw(rod) is an outer-hexagonal shape near an end of regulating sleeve, and regulating sleeve is provided with the inner hexagonal hole that adapts.
Or described adjusting screw(rod) is provided with outer transmission screw thread near an end of regulating sleeve, and the endoporus of regulating sleeve is provided with the interior motion thread that adapts.
Further, the core at above-mentioned screw rod two ends has one section endoporus, and an end core diameter of bore of close swivel nut is greater than the push rod diameter.
The outside of the described regulating sleeve rotation convex tendon that is uniformly distributed along the circumference.
Described regulating sleeve afterbody is an arc surface, is printed on the rotation indication.
The aperture of foam gap filler spray gun is regulated and locking device compared to existing technology, and its beneficial effect is:
(1), safe and reliable: because the double thread length of fit can control effectively, adjusting screw(rod) is within the containing space of band self-locking draw-in groove regulating sleeve and swivel nut, no matter how regulating sleeve is operated, adjusting screw(rod) can not break away between swivel nut and regulating sleeve, can not cause unexpected injury, effectively solve the potential safety hazard of adjusting of prior art spray gun thimble aperture and retaining mechanism the operator.
(2), regulate light: preloading spring is that the compression by swivel nut realizes the pretension effect of thimble, and bounce does not directly act on adjusting screw(rod) and the regulating sleeve, and the speed ratio of regulating sleeve is lighter.
(3), sound is reminded automatically: when the screw thread of adjusting screw(rod) withdraws from from swivel nut fully, under the elastic force effect of afterbody small pressure spring, the quick bullet of the end face of adjusting screw(rod) meeting clashes into the end face of swivel nut to swivel nut, send " clatter " one, remind the position of operator's adjusting screw(rod) to fall back on the end.The sound that every multidirectional back rotation one circle of regulating sleeve will repeat one.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the utility model installation diagram embodiment illustrated in fig. 1;
Description of reference numerals: 1 is regulating sleeve; 2 is adjusting screw(rod); 3 is small pressure spring; 4 is swivel nut; 5 is the rifle body; 6 is push rod; 7 is preloading spring; 8 is trigger; 8a is a pivot pin; 9 is seal; 10 is adapter; 11 is gun barrel; 12 is thimble; 13 is nozzle.
The specific embodiment
Come the utility model is further specified below in conjunction with specific embodiment, but the utility model is not confined to these specific embodiment.One skilled in the art would recognize that the utility model contained in claims scope all alternatives, improvement project and the equivalents that may comprise.
The aperture of foam gap filler spray gun is regulated and locking device, comprise the rifle body 5 that holds each functor, place the gun barrel 11 of rifle body front end, the nozzle 13 of gun barrel 11 front ends, trigger 8, push rod 6 and the thimble 12 of control and regulation foam gap filler flow, preloading spring 7, swivel nut 4, adjusting screw(rod) 2, small pressure spring 3 and regulating sleeve 1.
Adapter 10 is positioned at rifle body 5 tops, as the inlet of gap filler.Seal 9 prevents that at the middle part of rifle body 5 gap filler is excessive.Nozzle 13 is positioned at the front end of gun barrel 11, is the outlet of foam gap filler.
One end of swivel nut 4 is the step surface of preloading spring band indent fixedly, and the other end is a hollow, and the outer ring is regular screw threads, and end face is provided with the draw-in groove of the band self-locking conical surface, and swivel nut is provided with back-up ring, and the inside of hollow endoporus is provided with and is used for the trapezoidal thread of transmission.Swivel nut 4 screws into rifle body 5 by it, and compresses preloading spring 7.
Adjusting screw(rod) is positioned at the endoporus of swivel nut and Adjusting bolt Adjusting screw, and the rotation of regulating sleeve can drive adjusting screw(rod) and rotate, and adjusting screw(rod) has the transmission external screw thread, is provided with small pressure spring 3 between adjusting screw(rod) 2 and regulating sleeve 1.
The self-locking taper draw-in groove that the outside, inside and the swivel nut 4 of regulating sleeve 1 adapts, the regulating sleeve inboard has circular hole and inner hexagonal hole, the uniform convex tendon of being convenient to rotate in its outer ring, afterbody is an arc surface, and has the rotation indication.After regulating sleeve 1 snaps in the self-locking grooves of swivel nut 4, rely on the cooperation of inner hexagon ring, rotation drives the distance size that adjusting screw(rod) 2 is adjusted its core inward recess bottom face and push rod 6, thereby realizes the adjustment and the locking function of thimble 12 apertures.
When regulating sleeve 1 backward rotation, when the trapezoidal thread of adjusting screw(rod) 2 withdraws from from swivel nut 4 fully, produced certain clearance between adjusting screw(rod) 2 and the swivel nut 4, under the elastic force effect of small pressure spring 3, the rapid again bullet of adjusting screw(rod) 2 is to swivel nut 4, automatically send " clatter " one, remind the position of operator's adjusting screw(rod) 2 to fall back on the position.At this moment, regulating sleeve 1 forward rotation adjusting screw(rod) 2 under the elastic force effect of small pressure spring 3, has avoided adjusting screw(rod) 2 and swivel nut 4 to throw off, and can screw in smoothly.
The operation principle of the utility model spray gun is:
Gap filler enters the rifle body by adapter 10, be full of till the nozzle 13 through gun barrel 11, this moment is cocking 8 backward always, and trigger 8 just drives push rod 6 and thimble 12 assemblies move backward, this moment, nozzle 13 was reserved the space with thimble 12 places, and foam gap filler sprays immediately.
State shown in Figure 1 is the duty of aperture when being in maximum, and when being rotated in the forward regulating sleeve 1, the adjusting screw(rod) 2 that is inserted in wherein also and then rotates under the drive of interior hexagonal part together.Because small pressure spring 3 has elastic force to impose on adjusting screw(rod) 2 all the time, when regulating sleeve 1 drove adjusting screw(rod) 2 rotations, the trapezoidal thread of adjusting screw(rod) 2 and swivel nut 4 just was interlocked naturally, thereby successfully is screwed into swivel nut 4 the insides.In the process of regulating sleeve 1 forward rotation, adjusting screw(rod) 2 little by little moves forward, and also reduces gradually with the distance of push rod 6, and the aperture of angle that trigger 8 is pulled and thimble 12 also reduces gradually.When the indent bottom face of adjusting screw(rod) 2 cores contacted with the tail end of push rod 6, trigger 8 and thimble 12 all can not move again, are in locking state.
In whole adjustment process, the rotation of dependence regulating sleeve 1 drives the rotation of adjusting screw(rod) 2 and moves, and then realizes the aperture adjusting and the locking function of spray gun.Adjusting screw(rod) 2 is within the containing of band regulating sleeve 1 of auto-lock function and swivel nut 4, and adjusting screw(rod) 2 can not stopped potential safety hazard from ejecting between swivel nut 4 and the regulating sleeve 1 or escaping.The bounce of preloading spring 7 does not act on adjusting screw(rod) 2 and the regulating sleeve 1, makes the rotation of regulating sleeve 1 become very light.The effect of small pressure spring 3 is, all the time adjusting screw(rod) 2 is applied elastic force, forces adjusting screw(rod) 2 closely to contact with swivel nut 4 all the time.During forward rotation regulating sleeve 1, make that the threaded engagement between adjusting screw(rod) 2 and the swivel nut 4 is easier; During backward rotation regulating sleeve 1, leave the moment of swivel nut 4 at adjusting screw(rod) 2 and impel its resilience again, and then knock, remind the operator.
Claims (8)
1. the aperture of foam gap filler spray gun is regulated locking device, comprise the rifle body, place the gun barrel of rifle body front end, the nozzle of gun barrel front end, control to adjust the trigger of gap filler flow and be positioned at the push rod thimble assembly that the rifle body is driven by trigger, it is characterized in that also being provided with swivel nut, preloading spring and the regulating sleeve that is positioned at rifle body end, preloading spring is sheathed on push rod bar portion, one end is against the boss of push rod, the other end relies on swivel nut, swivel nut is by screwing in the rifle body, swivel nut and Adjusting bolt Adjusting screw clamping, swivel nut and regulating sleeve all have the endoporus that adapts, one adjusting screw(rod) is positioned at the endoporus of swivel nut and Adjusting bolt Adjusting screw, the inner hole wall of swivel nut has internal thread, adjusting screw(rod) has the transmission external screw thread, the rotation of regulating sleeve can drive adjusting screw(rod) and rotate, the tail end of push rod passes from swivel nut one side and is arranged in endoporus, is provided with elastic pressuring plate or elastic pressuring spring between adjusting screw(rod) and the regulating sleeve.
2. the aperture of foam gap filler spray gun is regulated locking device according to claim 1, it is characterized in that swivel nut is provided with the fixedly step surface of preloading spring.
3. regulate locking device as the aperture of foam gap filler spray gun as described in the claim 2, it is characterized in that swivel nut and regulating sleeve pass through the clamping of conical surface self-locking draw-in groove.
4. regulate locking device as the aperture of foam gap filler spray gun as described in the claim 3, it is characterized in that adjusting screw(rod) is an outer-hexagonal shape near an end of regulating sleeve, regulating sleeve is provided with the inner hexagonal hole that adapts.
5. regulate locking device as the aperture of foam gap filler spray gun as described in the claim 3, it is characterized in that adjusting screw(rod) is provided with outer transmission screw thread near an end of regulating sleeve, the endoporus of regulating sleeve is provided with the interior motion thread that adapts.
6. regulate locking device as the aperture of foam gap filler spray gun as described in claim 4 or 5, it is characterized in that the core at screw rod two ends has one section endoporus, near an end core diameter of bore of swivel nut greater than the push rod diameter.
7. regulate locking device as the aperture of foam gap filler spray gun as described in the claim 6, the outside that the it is characterized in that regulating sleeve rotation convex tendon that is uniformly distributed along the circumference.
8. regulate locking device as the aperture of foam gap filler spray gun as described in the claim 7, it is characterized in that the regulating sleeve afterbody is an arc surface, be printed on the rotation indication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202015858U CN201565397U (en) | 2009-11-27 | 2009-11-27 | Openness adjusting and locking device of foaming filler spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202015858U CN201565397U (en) | 2009-11-27 | 2009-11-27 | Openness adjusting and locking device of foaming filler spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565397U true CN201565397U (en) | 2010-09-01 |
Family
ID=42657678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202015858U Expired - Lifetime CN201565397U (en) | 2009-11-27 | 2009-11-27 | Openness adjusting and locking device of foaming filler spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565397U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160769A (en) * | 2011-05-13 | 2011-08-24 | 罗运高 | Multi-functional dust collector |
| CN103599863A (en) * | 2013-10-23 | 2014-02-26 | 浙江火山机械有限公司 | Foaming agent spray gun |
-
2009
- 2009-11-27 CN CN2009202015858U patent/CN201565397U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160769A (en) * | 2011-05-13 | 2011-08-24 | 罗运高 | Multi-functional dust collector |
| CN103599863A (en) * | 2013-10-23 | 2014-02-26 | 浙江火山机械有限公司 | Foaming agent spray gun |
| CN103599863B (en) * | 2013-10-23 | 2016-06-01 | 浙江火山机械有限公司 | A kind of foaming agent spray gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |