CN208427244U - A kind of novel spray gun - Google Patents
A kind of novel spray gun Download PDFInfo
- Publication number
- CN208427244U CN208427244U CN201821015740.2U CN201821015740U CN208427244U CN 208427244 U CN208427244 U CN 208427244U CN 201821015740 U CN201821015740 U CN 201821015740U CN 208427244 U CN208427244 U CN 208427244U
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- steel ball
- water inlet
- flow channel
- inlet flow
- gun body
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Abstract
A kind of novel spray gun, rifle mouth including gun body, the pikestaff below gun body tail portion and gun body front end, trigger is hinged in gun body, pikestaff bottom is equipped with quick coupling, the water inlet flow channel to connect with quick coupling is equipped in pikestaff, it is equipped with the outlet passage to connect with water inlet flow channel in gun body, a mounting hole to connect with water inlet flow channel is equipped in the gun body tail portion;The mounting hole is connected by movable span and water inlet flow channel;The water inlet flow channel upper inside wall is equipped with a limited step;One matched reset spring is installed on the limited step;The reset spring top is equipped with a steel ball.The novel spray gun of the utility model can be avoided steel ball and the case where lopsided wear occurs, keeps steel ball impaired uniformly, while prolonging its service life, can effectively ensure that the leakproofness of steel ball Yu outlet passage port, the service performance of spray gun is enabled to be protected.
Description
Technical field
The utility model relates to a kind of spray guns.
Background technique
Spray gun is to discharge rapidly a kind of device as power using liquid or compressed air, utilizes liquid to carry out in spray gun
When injection, liquid can enter in the water inlet flow channel in pikestaff first, in the outlet passage of subsequent runner to gun body, traditional spray
Headstock gear is designed in the outlet passage of rifle, and the core of headstock gear is steel ball, and water outlet is closed or opened by steel ball
Runner one end port is to realize the injection or closing of spray gun, in order to guarantee that steel ball position is not in change, therefore water flow out
Road diameter and steel ball size are essentially identical, and steel ball can then be moved along the track of outlet passage, guarantee self-position not
It will appear change, steel ball avoided to issue to give birth to fall and cause steel ball that can not accurately close outlet passage port in natural gravity effect
Situation, but this structure setting makes steel ball that can only carry out lateral displacement under the limitation of outlet passage, and steel ball itself will not go out
Now overturn, the contact surface of steel ball and outlet passage port edges will not change, with steel ball for a long time with outlet passage end
The case where mouth edge contact, the contact surface of steel ball then will appear abrasion, in the immovable situation of steel ball contact surface, then it will appear list
The case where surface wear, the leakproofness easily led between steel ball and outlet passage port in the case where lopsided wear go wrong, nothing
Method guarantees sealing effect again, the case where leak occurs, influences the service performance of spray gun.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of novel spray guns, it can be avoided steel ball and single side mill occurs
The case where damage, keeps steel ball impaired uniformly, while prolonging its service life, can effectively ensure that steel ball and outlet passage port
Leakproofness enables the service performance of spray gun be protected.
The technical scheme in the invention for solving the above technical problem are as follows:
The utility model discloses a kind of novel spray gun, before gun body, the pikestaff below gun body tail portion and gun body
The rifle mouth at end is hinged with trigger in gun body, and pikestaff bottom is equipped with quick coupling, be equipped in pikestaff with quick coupling connect into
Water flow passage is equipped with the outlet passage to connect with water inlet flow channel in gun body, it is characterised in that: be equipped with the gun body tail portion in one and
The mounting hole that water inlet flow channel connects;The mounting hole is connected by movable span and water inlet flow channel;The water inlet flow channel top
Inner wall is equipped with a limited step;One matched reset spring is installed on the limited step;The back-moving spring top
End is equipped with a steel ball, and steel ball is jammed in the aperture that movable span and water inlet flow channel connect under the support of reset spring;The steel
Bulb diameter is less than water inlet flow channel diameter, and steel ball size is greater than movable bore dia;The mounting hole top is equipped with one and its phase
The guide pad matched;The guide pad upper end is exposed to outside mounting hole and is equipped with a groove, and guide pad lower end is located in mounting hole simultaneously
Equipped with a seal groove;A pilot hole is equipped in the guide pad, pilot hole all connects with groove, seal groove;On the trigger
A return spring is equipped between portion and groove;A mandril is equipped in the return spring;The mandril top is butted on trigger, top
Bar lower end sequentially passes through groove, pilot hole, seal groove, movable span and is in contact with steel ball.
Matched gasket is installed, gasket is placed on outside mandril in the seal groove;The gasket following table
Face is equipped with an amplification slot in a ring;The amplification slot cross section is in inverted V-shape.
The orifice position that the movable span and water inlet flow channel connect is equipped with a mounting groove;Be equipped in the mounting groove with
Its valve block to match, valve block is in a ring;The steel ball is jammed in the interior hole site of valve block.
The guide pad lower end outer wall is equipped with an annular groove;Matched O-ring is installed in the annular groove.
The beneficial effects of the utility model are:
Compared with prior art, straight since steel ball size is less than water inlet flow channel using the novel spray gun of the utility model structure
Diameter, steel ball size is greater than movable bore dia, and steel ball is then to be placed in reset spring top, on-fixed in reset spring top,
Therefore steel ball will receive the influence of the liquid in water inlet flow channel, in the limit not by reset spring and water inlet flow channel when resetting
Under system, there is the case where original place rolling in steel ball, what steel ball was in contact with movable span with the aperture that water inlet flow channel connects after resetting
Face changes, different from the contact surface of original steel ball, thus will not there is a situation where lopsided wears, steel ball whole surface to share
Abrasion condition can extend the service life of steel ball to the full extent, and as steel ball surface is uniformly worn, will not go out
Now apparent recess, being able to maintain will not influence the hole that steel ball connects to movable span and water inlet flow channel in spherical state
The blocking of mouth, to guarantee leakproofness when steel ball blocking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model novel spray gun;
Fig. 2 is the enlarged drawing in the portion A of Fig. 1.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Please refer to Fig. 1, Fig. 2, the utility model provides a kind of novel spray gun, including gun body 1, is set to below 1 tail portion of gun body
1 front end of pikestaff 2 and gun body rifle mouth 3, be hinged with trigger 4 in gun body 1,2 bottom of pikestaff is equipped with quick coupling 5, in pikestaff 2
Equipped with the water inlet flow channel 6 to connect with quick coupling 5, the outlet passage 7 to connect with water inlet flow channel 6 is equipped in gun body 1, it is described
A mounting hole 8 to connect with water inlet flow channel 6 is equipped in 1 tail portion of gun body;The mounting hole 8 passes through movable span 9 and water inlet flow channel 6
It connects;6 upper inside wall of water inlet flow channel is equipped with a limited step 10;One and its phase are installed on the limited step 10
The reset spring 11 matched;11 top of reset spring is equipped with a steel ball 12, and steel ball 12 blocks under the support of reset spring 11
In the aperture that movable span 9 and water inlet flow channel 6 connect;12 diameter of steel ball is less than 6 diameter of water inlet flow channel, and 12 diameter of steel ball is big
In 9 diameter of movable span;8 top of mounting hole is equipped with a matched guide pad 13;13 upper end of guide pad is naked
It is exposed to outside mounting hole 8 and is equipped with a groove 14,13 lower end of guide pad is located in mounting hole 8 and is equipped with a seal groove 15;It is described to lead
A pilot hole 16 is equipped with into block 13, pilot hole 16 all connects with groove 14, seal groove 15;4 top of trigger and groove
A return spring 17 is equipped between 14;A mandril 18 is equipped in the return spring 17;18 top of mandril is butted on trigger 4
On, 18 lower end of mandril sequentially passes through groove 14, pilot hole 16, seal groove 15, movable span 9 and is in contact with steel ball 12.
Matched gasket 19 is installed, gasket 19 is placed on outside mandril 18 in the seal groove 15;It is described close
19 lower surface of packing is equipped with an amplification slot 20 in a ring;20 cross section of amplification slot is in inverted V-shape.
The movable span 9 is equipped with a mounting groove 21 with the orifice position that water inlet flow channel 6 connects;Peace in the mounting groove 21
Equipped with matched valve block 22, valve block 22 is in a ring;The steel ball 12 is jammed in the interior hole site of valve block 22.
13 lower end outer wall of guide pad is equipped with an annular groove 23;Matched O is installed in the annular groove 23
Type circle 24.
The application method of the utility model is as follows:
When using spray gun, it can first connect hoses in quick coupling 5, make spray gun and the source equipment phase for being loaded with liquid
It connects, the liquid in the equipment of source will be entered in water inlet flow channel 6 by hose, quick coupling 5, be then filled with water inlet flow channel
6, user of service presses trigger action 4 at this time, moves trigger 4 towards 2 direction of pikestaff, and trigger 4 is then to be articulated in gun body 1, when
When trigger 4 is moved towards 2 direction of pikestaff, 4 top of trigger is moved down, and 4 top of trigger pushes mandril 18, as mandril 18 moves down,
Mandril 18 can then open steel ball 12, after steel ball 12 opens, what steel ball 12 no longer connected movable span 9 and water inlet flow channel 6
Aperture blocks, and the liquid in water inlet flow channel 6 is entered in mounting hole 8 by movable span 9, is then entered out by mounting hole 8
In water flow passage 7, finally sprayed from rifle mouth 3, for using.
When staff loosens trigger 4, return spring 17 will be pushed 4 top of trigger by natural resiliency, make to pull
Machine 4 resets, and as trigger 4 resets, mandril 18 loses the pressure pushed to steel ball 12, and steel ball 12 is under the action of reset spring 11
It resets, the aperture that steel ball 12 again connects movable span 9 and water inlet flow channel 6 blocks, since 12 diameter of steel ball is less than feed water flow
6 diameter of road, 12 diameter of steel ball is greater than 9 diameter of movable span, and steel ball 12 is then to be placed in 11 top of reset spring, and on-fixed is in multiple
Position 11 top of spring, therefore steel ball 12 will receive the influence of the liquid in water inlet flow channel 6 when resetting, not by reset bullet
Under the limitation of spring 11 and water inlet flow channel 6, there is the case where original place rolling in steel ball 12, steel ball 12 reset after with movable span 9 and water inlet
The face that the aperture that runner 6 connects is in contact changes, different from the contact surface of original steel ball 12, so that single side will not occur
The case where abrasion, 12 whole surface of steel ball share abrasion condition, can extend the service life of steel ball 12 to the full extent, and with
12 surface of steel ball uniformly worn, be not in apparent recess, be able to maintain in spherical state, will not influence
The blocking in the aperture that steel ball 12 connects to movable span 9 and water inlet flow channel 6, to guarantee leakproofness when steel ball 12 blocks.
Matched gasket 19 is installed, gasket 19 is placed on outside mandril 18, under gasket 19 in seal groove 15
Surface is equipped with amplification slot 20 in a ring, and amplification 20 cross section of slot is in inverted V-shape, and the presence of amplification slot 20 can make liquid
Gasket 19 is strutted when pouring in amplification slot 20, is wrapped in gasket 19 firmly outside mandril 18 and full of entire close
The case where sealing groove 15 makes the leakproofness between mandril 18 and pilot hole 16, is not in leak enters as steel ball 12 is closed
Liquid in amplification slot 20 loses pressure, and gasket 19 starts to restore ortho states, therefore gasket 19 will not when mandril 18 resets
Influence the smoothness when movement of mandril 18.
The orifice position that movable span 9 and water inlet flow channel 6 connect is equipped with mounting groove 21, is equipped with and its phase in mounting groove 21
Matched valve block 22, in a ring, steel ball 12 is jammed in the interior hole site of valve block 22 to valve block 22, and the presence of valve block 22 can substitute work
The aperture that dynamic hole 9 connects with water inlet flow channel 6 is in contact with steel ball 12, even if valve block 22 is due to contacting hair with steel ball 12 for a long time
Raw abrasion, finally only needs to change valve block 22, no replacement is required entire spray gun, reduces maintenance cost and more to the full extent
Change this into.
13 lower end outer wall of guide pad is equipped with annular groove 23, is equipped with matched O-ring 24 in annular groove 23, O-shaped
The presence of circle 24 can effectively improve the leakproofness between guide pad 13 and mounting hole 8.
Claims (4)
1. a kind of novel spray gun, the rifle mouth including gun body, the pikestaff below gun body tail portion and gun body front end is cut with scissors in gun body
It is connected to trigger, pikestaff bottom is equipped with quick coupling, the water inlet flow channel to connect with quick coupling is equipped in pikestaff, is equipped in gun body
The outlet passage to connect with water inlet flow channel, it is characterised in that: connect equipped with one with water inlet flow channel in the gun body tail portion
Mounting hole;The mounting hole is connected by movable span and water inlet flow channel;The water inlet flow channel upper inside wall is equipped with a limiting stand
Rank;One matched reset spring is installed on the limited step;The reset spring top is equipped with a steel ball, steel ball
The aperture that movable span and water inlet flow channel connect is jammed under the support of reset spring;The steel ball size is less than water inlet flow channel
Diameter, steel ball size are greater than movable bore dia;The mounting hole top is equipped with a matched guide pad;The guiding
Block upper end is exposed to outside mounting hole and is equipped with a groove, and guide pad lower end is located in mounting hole and is equipped with a seal groove;It is described to lead
A pilot hole is equipped with into block, pilot hole all connects with groove, seal groove;It is set once between the trigger top and groove
Position spring;A mandril is equipped in the return spring;The mandril top is butted on trigger, mandril lower end sequentially pass through groove,
Pilot hole, seal groove, movable span are simultaneously in contact with steel ball.
2. a kind of novel spray gun according to claim 1, it is characterised in that: be equipped in the seal groove and match with it
Gasket, gasket is placed on outside mandril;The gasket lower surface is equipped with an amplification slot in a ring;The amplification slot is transversal
Face is in inverted V-shape.
3. a kind of novel spray gun according to claim 1, it is characterised in that: what the movable span connected with water inlet flow channel
Orifice position is equipped with a mounting groove;Matched valve block is installed, valve block is in a ring in the mounting groove;The steel ball is stifled
It fills in the interior hole site of valve block.
4. a kind of novel spray gun according to claim 1, it is characterised in that: the guide pad lower end outer wall is equipped with an annular
Slot;Matched O-ring is installed in the annular groove.
Priority Applications (1)
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CN201821015740.2U CN208427244U (en) | 2018-06-29 | 2018-06-29 | A kind of novel spray gun |
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CN201821015740.2U CN208427244U (en) | 2018-06-29 | 2018-06-29 | A kind of novel spray gun |
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CN208427244U true CN208427244U (en) | 2019-01-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111570111A (en) * | 2020-05-30 | 2020-08-25 | 黄海群 | Cleaning gun for petroleum pumping unit |
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2018
- 2018-06-29 CN CN201821015740.2U patent/CN208427244U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111570111A (en) * | 2020-05-30 | 2020-08-25 | 黄海群 | Cleaning gun for petroleum pumping unit |
CN111570111B (en) * | 2020-05-30 | 2021-09-24 | 大庆井泰机械制造有限公司 | Cleaning gun for petroleum pumping unit |
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Address after: Peng Jie town of Luqiao District of Taizhou city water village in Zhejiang province 318050 missing Patentee after: Zhejiang Rongpeng Air Tools Co.,Ltd. Address before: Peng Jie town of Luqiao District of Taizhou city water village in Zhejiang province 318050 missing Patentee before: ZHEJIANG RONGPENG AIR TOOLS Co.,Ltd. |