CN211937463U - Nozzle flow regulating rod and nozzle comprising same - Google Patents
Nozzle flow regulating rod and nozzle comprising same Download PDFInfo
- Publication number
- CN211937463U CN211937463U CN202020317935.3U CN202020317935U CN211937463U CN 211937463 U CN211937463 U CN 211937463U CN 202020317935 U CN202020317935 U CN 202020317935U CN 211937463 U CN211937463 U CN 211937463U
- Authority
- CN
- China
- Prior art keywords
- spring
- rod
- nozzle
- diameter
- guide sleeve
- 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.)
- Expired - Fee Related
Links
- 230000001105 regulatory effect Effects 0.000 title claims description 13
- 230000000670 limiting effect Effects 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000007423 decrease Effects 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Images
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a nozzle flow control pole and contain its nozzle. The utility model discloses a nozzle flow control pole is used for mutually supporting in order to realize the flow control to the nozzle with the spring, and it includes the body of rod, the body of rod one end with spring coupling is provided with the direction head, the utility model discloses a direction that the body of rod was kept away from to the outer diameter of direction head reduces gradually. The utility model discloses a nozzle flow control pole still includes the spacing platform of spring of being connected with the direction head, and the one end of spring can be inconsistent with the spacing platform of spring, and the spacing platform of spring of this embodiment is cylindric and its external diameter is not less than the internal diameter of spring, therefore the spacing platform of spring can be inconsistent with the spring and exert limiting displacement. The axis of the guide head and the spring limiting table of the embodiment are on the same straight line. Utilize the utility model discloses a during nozzle flow control pole, its direction head can stretch into the centre bore of spring and can not take place the slope, and the spring keeps unanimous with the axle center of adjusting the pole, need not repeated regulation, and work efficiency is high.
Description
Technical Field
The utility model relates to a nozzle flow control pole and contain its nozzle.
Background
The flow of the existing nozzle is realized by adjusting a flow adjusting rod, applying pressure to a spring and applying pressure to a valve core by the spring so as to ensure the normally closed state of the valve core and reversely attracting the valve core by electromagnetic force generated during electrification and overcoming the spring force to open the valve core. The compression spring force is adjusted to control the reaction speed of the same stroke of quick opening and closing during power on and power off so as to adjust the flow of gas passing through the valve core.
The end of the existing nozzle flow adjusting rod connected with the spring is a plane and is directly pressed on the upper surface of the spring, so that the technical problems of the existing structure are as follows: the bottom surface of the adjusting rod directly abuts against the spring, the position of the spring cannot be fixed, the spring is easy to incline, the axes of the spring and the adjusting rod cannot be kept consistent, so that the lateral resistance caused by the clamping stagnation of the spring is caused, the compression acting force of the spring is reduced, or the acting force is uncontrollable, and the repeated adjustment for many times is caused to influence the working efficiency; in the using process of the nozzle, the spring cannot be stably fixed, so that the flow of the nozzle can be abnormally fluctuated, and the injection quantity exceeds the upper and lower specification limits.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages, the present invention provides a nozzle flow regulating rod and a nozzle comprising the same. Utilize the utility model discloses a nozzle can ensure that the spring keeps the vertical state at operating condition, keeps unanimous with the axis of adjusting the pole for the compressive force of spring is stable controllable, therefore can ensure the stability controllable of nozzle flow.
The utility model discloses a nozzle flow control pole is used for mutually supporting in order to realize the flow control to the nozzle with the spring, and it includes the body of rod, the one end with spring coupling of the body of rod is provided with the direction head, the direction head can stretch into in the centre bore of spring, nozzle flow control pole still include with the spacing platform of spring that the direction head is connected, the one end of spring can with the spacing platform of spring is inconsistent, the external diameter of the spacing platform of spring is not less than the internal diameter of spring. Therefore, support each other to the spring removal and with the spacing platform of spring at nozzle flow control pole and lean on, therefore realize the compression to the spring, the utility model discloses a guide head of nozzle flow control pole can stretch into in the center of spring and can not make the spring take place the slope, under guide head's effect, the spring keeps unanimous with the axis of the body of rod, need not repetition regulation for the nozzle has higher availability factor.
Furthermore, the outer diameter of the guide head is smaller than the inner diameter of the spring, and the outer diameter of the guide head gradually decreases in the direction away from the rod body. Therefore, the guide head can be ensured to stably extend into the central hole of the spring.
Furthermore, one end of the rod body connected with the spring is a first rod body, one end far away from the spring is a second rod body, the diameter of the first rod body is smaller than that of the second rod body, a rod body limiting table is further arranged on the outer surface of one end, close to the second rod body, of the first rod body, and the diameter of the rod body limiting table is larger than that of the first rod body. Therefore, under the effect of the spacing platform of the body of rod, can play steady spacing effect at the removal in-process of the body of rod, avoid rocking or the slope that takes place the spring of the body of rod for the spacing platform of the body of rod is when the spacing effect of performance, and the atress is even, makes the nozzle can be steady adjust the flow.
Furthermore, the spring limiting table, the guiding head and the central axis of the spring are on the same straight line. Therefore, when the flow rate is regulated, the central axis of the flow rate regulating rod and the central axis of the spring can be ensured to be on the same straight line, the spring cannot be twisted, and the effect of stably regulating the flow rate is realized.
The utility model also provides a nozzle, it contains aforementioned nozzle flow control pole, still include with the spring that nozzle flow control pole is connected, set up in the outside uide bushing of the body of rod and spring and can with keeping away from of spring the inconsistent case of one end of the body of rod, be provided with inlet channel on the nozzle, the case is linked together with the inlet channel of nozzle, nozzle flow control pole's direction head can stretch into in the centre bore of spring.
Furthermore, the guide head is conical, and the outer diameter of the guide head gradually decreases in the direction away from the rod body. Therefore, when the nozzle flow adjusting rod presses the spring, the guide head can stably extend into the central hole of the spring, and the spring cannot be twisted.
Furthermore, the uide bushing includes first uide bushing and second uide bushing, the internal diameter of first uide bushing is less than the internal diameter of second uide bushing, and the spring is located first uide bushing, the one end that is connected with the spring of the body of rod is the first body of rod, and the one end of keeping away from the spring is the second body of rod, and the diameter of the first body of rod is less than the diameter of the second body of rod, the second body of rod is located in the second uide bushing the surface of the one end of the second body of rod that is close to of the first body of rod still is provided with the spacing platform of the body of rod, the diameter of the spacing platform of the body of rod is greater than the diameter of the first body of rod, the spacing platform of the body of rod can the joint in first uide bushing with. Therefore, the inner diameter of the first guide sleeve provided with the first rod body is smaller, the first guide sleeve can be well matched with the spring, the stability of the spring when the spring is pressed is ensured, the diameter of the second rod body is larger, pressure is applied to the nozzle flow adjusting rod conveniently, sufficient mechanical strength is ensured, the first guide sleeve is connected with the second guide sleeve in a clamping mode under the action of the rod body limiting table, and the limiting effect of the rod body is achieved.
Furthermore, the rod body limiting table is in a truncated cone shape, the diameter of the rod body limiting table is gradually increased along the direction far away from the first rod body, and the maximum diameter of the rod body limiting table is not smaller than the inner diameter of the first guide sleeve. Therefore, the rod body limiting table is stressed uniformly when the limiting function is exerted, and shaking is avoided.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is a schematic structural view illustrating a nozzle flow adjusting rod and a spring in cooperation with each other according to a first embodiment of the present invention;
fig. 3 is a schematic sectional structure diagram of a second embodiment of the present invention.
In the figure:
11-a guide head, 12-a spring limit table, 13-a first rod body, 14-a second rod body, 15-a rod body limit table, 2-a spring, 31-a first guide sleeve, 32-a second guide sleeve, 4-a valve core and 5-an air inlet channel.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
The first embodiment is as follows:
the nozzle flow regulating rod of the present embodiment is used for cooperating with the spring 2 of the nozzle to realize the flow control of the nozzle. Referring to fig. 1 and 2, the nozzle flow regulating rod of this embodiment includes a rod body, a guiding head 11 is disposed at one end of the rod body connected to a spring 2, the guiding head 11 of this embodiment is conical, and its outer diameter is smaller than the inner diameter of the spring 2, and the outer diameter of the guiding head 11 gradually decreases in a direction away from the rod body, so that when the rod body moves toward the spring 2, the guiding head 11 can stably extend into the central hole of the spring 2.
The nozzle flow regulating rod of the embodiment further comprises a spring limiting table 12 connected with the guide head 11, one end of the spring 2 can be abutted against the spring limiting table 12, and the spring limiting table 12 of the embodiment is cylindrical and the outer diameter of the spring limiting table 12 is not smaller than the inner diameter of the spring 2, so that the spring limiting table 12 can be abutted against the spring 2 and can play a limiting role. The axis of the first 11 of direction and the spacing platform of spring 12 of this embodiment is on same straight line, therefore under the effect of direction head 11, the utility model discloses a direction head 11 of nozzle flow control pole can stretch into the centre bore of spring 2 and can not take place the slope, and spring 2 can support each other with the spacing platform of spring 12 and lean on, under the effect of direction head 11, spring 2 keeps unanimous with the axle center of adjusting the pole, need not repetition regulation, and work efficiency is high.
The nozzle flow regulating rod of this embodiment has a first rod 13 at one end connected to the spring 2, a second rod 14 at an end away from the spring 2, the diameter of the first rod 13 is smaller than that of the second rod 14, a rod limiting table 15 is further disposed on the outer surface of the first rod 13 at an end close to the second rod 14, and the diameter of the rod limiting table 15 is larger than that of the first rod 13.
Example two:
referring to fig. 3, the nozzle with adjustable flow of this embodiment includes a housing, and is provided with in the housing the utility model discloses nozzle flow control pole of embodiment one, spring 2 connected with the one end of the body of rod of nozzle flow control pole, set up in the body of rod and the outside uide bushing of spring 2 and can with the spring 2 keep away from the inconsistent case 4 of the one end of the body of rod, case 4 is linked together with the inlet channel 5 of nozzle.
The guide sleeve of the nozzle of this embodiment includes a first guide sleeve 31 and a second guide sleeve 32, the inner diameter of the first guide sleeve 31 is smaller than the inner diameter of the second guide sleeve 32, the spring 2 is located in the first guide sleeve 31, the end of the rod connected with the spring 2 is a first rod 13, the end far away from the spring 2 is a second rod 14, the diameter of the first rod 13 is smaller than the diameter of the second rod 14, the second rod 14 is located in the second guide sleeve 32, a rod limiting table 15 is further disposed on the outer surface of the end of the first rod 13 close to the second rod 14, the rod limiting table 15 of this embodiment is truncated cone-shaped, the diameter of the rod limiting table is gradually increased along the direction far away from the first rod 13, the maximum diameter of the rod limiting table 15 is not smaller than the inner diameter of the first guide sleeve 31 and is larger than the diameter of the first rod 13, the connection surface of the first guide sleeve 31 and the second guide sleeve 32 is a conical surface, the rod body limiting table 15 can be clamped on the connecting surface of the first guide sleeve 31 and the second guide sleeve 32. Therefore, when the rod body is pushed to the spring 2, under the action of the rod body limiting table 15, the stable limiting effect can be achieved on the movement of the nozzle flow adjusting rod, the shaking of the rod body or the inclination of the spring can be avoided, and the stress of the rod body limiting table 15 can be uniform when the limiting effect is achieved.
When using the nozzle of this embodiment, promote the body of rod to the spring, guide head 11 stretches into in the centre bore of spring 2, and the spring atress is compressed and is inconsistent with case 4, adjusts in order to realize the change to the compressive force of spring 2 through the position to the body of rod to the opening speed of control case 4 is in order to change the flow of gas through case 3.
The utility model discloses a nozzle can ensure that the axis of spring and the axis of the body of rod keep coincidence basically, has avoided the condition that the spring appears inclining when carrying out flow control, has improved equipment work efficiency and adjust time, also avoids appearing the nozzle reaction rate that the nozzle during operation brought because of spring slope or position change unstability caused unusual and the flow condition unusual simultaneously.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a nozzle flow control pole for mutually support with the spring and in order to realize the flow control to the nozzle, includes the body of rod, its characterized in that, the one end with spring coupling of the body of rod is provided with the direction head, the direction head can stretch into in the centre bore of spring, nozzle flow control pole still include with the spacing platform of spring that the direction head is connected, the one end of spring can with the spacing platform of spring is inconsistent, the external diameter of the spacing platform of spring is not less than the internal diameter of spring.
2. A nozzle flow regulating rod according to claim 1, wherein the outer diameter of the guide head is smaller than the inner diameter of the spring, and the outer diameter of the guide head decreases in a direction away from the rod body.
3. A nozzle flow regulating rod according to claim 2, wherein the end of the rod connected to the spring is a first rod, the end remote from the spring is a second rod, the diameter of the first rod is smaller than the diameter of the second rod, and a rod limiting table is further provided on the outer surface of the first rod near the end of the second rod, and the diameter of the rod limiting table is larger than the diameter of the first rod.
4. The nozzle flow regulating rod of claim 2, wherein the spring stop is collinear with the central axis of the guide head and the spring.
5. A nozzle is characterized by comprising the nozzle flow adjusting rod of claim 1, and further comprising a spring connected with the nozzle flow adjusting rod, a guide sleeve arranged outside the rod body and the spring, and a valve core capable of abutting against one end, far away from the rod body, of the spring, wherein an air inlet channel is arranged on the nozzle, the valve core is communicated with the air inlet channel of the nozzle, and a guide head of the nozzle flow adjusting rod can extend into a central hole of the spring.
6. The nozzle of claim 5 wherein said guide head is tapered and has an outer diameter that decreases away from said stem.
7. The nozzle according to claim 6, wherein the guide sleeve comprises a first guide sleeve and a second guide sleeve, the inner diameter of the first guide sleeve is smaller than that of the second guide sleeve, the spring is located in the first guide sleeve, the end of the rod body connected with the spring is a first rod body, the end far away from the spring is a second rod body, the diameter of the first rod body is smaller than that of the second rod body, the second rod body is located in the second guide sleeve, a rod body limiting table is further arranged on the outer surface of the end, close to the second rod body, of the first rod body, the diameter of the rod body limiting table is larger than that of the first rod body, and the rod body limiting table can be clamped at the joint of the first guide sleeve and the second guide sleeve.
8. The nozzle of claim 7 wherein said stem stop is frusto-conical and increases in diameter in a direction away from said first stem, said stem stop having a maximum diameter no less than an inner diameter of said first guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317935.3U CN211937463U (en) | 2020-03-13 | 2020-03-13 | Nozzle flow regulating rod and nozzle comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317935.3U CN211937463U (en) | 2020-03-13 | 2020-03-13 | Nozzle flow regulating rod and nozzle comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211937463U true CN211937463U (en) | 2020-11-17 |
Family
ID=73179255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020317935.3U Expired - Fee Related CN211937463U (en) | 2020-03-13 | 2020-03-13 | Nozzle flow regulating rod and nozzle comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211937463U (en) |
-
2020
- 2020-03-13 CN CN202020317935.3U patent/CN211937463U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211937463U (en) | Nozzle flow regulating rod and nozzle comprising same | |
| CN201578144U (en) | Improved foam pump | |
| CN109681360A (en) | A kind of long needle-valve for fuel injection valve | |
| CN203915867U (en) | Outer stored-pressure type Fire-extinguishing System of Septenary-Fluorine Propane | |
| CN208791165U (en) | A kind of canned faucet of beer distribution | |
| CN207906499U (en) | 150MPa super high pressure fluid pressure regulator valves | |
| CN206046359U (en) | Piezoelectric type injection valve | |
| CN205298720U (en) | Knapsack sprayer constant pressure valve | |
| CN201599514U (en) | Collar clamp | |
| CN207145937U (en) | A kind of miniature fluid feeding pressure stabilizing device | |
| CN210289983U (en) | Novel oil sprayer | |
| CN110667060B (en) | Assembled screw rod | |
| CN207569290U (en) | A kind of plunger-type pump of high pressure cleaner pressure regulator valve | |
| CN208578028U (en) | A kind of jointing device and prestressing force prefabricated component | |
| CN207044705U (en) | A kind of ultrasonic welding machine | |
| CN207470804U (en) | A kind of pressure-regulating valve | |
| CN213575766U (en) | Pretightening force adjusting mechanism of control valve | |
| CN206795743U (en) | One kind gets retractable pen nested structure ready | |
| CN209875985U (en) | Normally closed type air control needle valve | |
| CN206046296U (en) | A kind of new adjusting shower nozzle | |
| CN105443818B (en) | Air pressure regulator and the air bed combination with the air pressure regulator | |
| CN207472841U (en) | Chromatographic injector limits cutting ferrule | |
| CN2931893Y (en) | Flexible joint tension device of supporter | |
| CN205273618U (en) | Snowmobile control handle | |
| CN212297801U (en) | Steady flow structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |