CN211146053U - Oil gun trigger switch control valve - Google Patents

Abstract

The utility model discloses a trigger switch control valve of an oil gun, which comprises a long trigger, a small trigger, a gun body, a valve rod, an iron one-way valve and a fixed joint, one end of the small trigger is hinged with the middle part of the long trigger, one end of the long trigger is hinged with the gun body through a bolt, the inner side of the long trigger is provided with a first spring, the other end of the first spring is movably connected with the gun body, the first spring is arranged on the valve rod, the iron one-way valve is arranged inside the gun body, one side of the iron one-way valve is provided with a Y-shaped oil seal, the Y type oil blanket is installed in the inside of the rifle body, the other end of second spring is installed in fixed joint's inboard inslot, and long trigger adopts the aluminum alloy material, can not lead to its damage because of the corruption of too violent or oil of exerting oneself, utilizes laborsaving lever principle, increases the fulcrum of long trigger and the distance of point of application of force, and the stroke of the control valve rod that just can relax when pulling down long trigger is adjusted the speed of refueling.

Description

Oil gun trigger switch control valve

Technical Field

The utility model belongs to the technical field of the nozzle, concretely relates to nozzle trigger on-off control valve.

Background

The engine lubricating oil filler has the characteristics of flexible appearance, convenient use, simple and easy operation and the like, has wide application, is not only used for the manufacturing maintenance and other services of the automobile industry, but also is suitable for the filling of engine oil, gear oil, hydraulic oil and the like for the manufacturing maintenance and repair of engineering mechanical equipment of the industry, the agriculture, the building industry and the like

At present, the nozzle adopts single plastic trigger structure, has a button in the trigger side, and the fulcrum of trigger is short with the distance of application of force point, and it is harder to pull down the trigger, can pin the trigger after pulling down the trigger, when refueling the completion, presses the button again, the trigger return, the nozzle is closed, and the filling speed can not be adjusted through manual control valve stroke to this kind of structure to either add more when causing to refuel, or the phenomenon that adds less. The one-way valve of the switch valve body adopts a plastic sealing method, is not resistant to impurities, is easy to deform and age, and causes oil leakage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nozzle trigger on-off control valve, trigger control structure, the travel of the control valve rod that can be very light when pulling down long trigger adjusts the filling speed to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: oil gun trigger switch control valve, including long trigger, little trigger, the rifle body, valve rod, iron check valve and fixed joint, the one end of little trigger is articulated with the middle part of long trigger, be equipped with the third spring between the one end of little trigger and the long trigger, the one end of long trigger is articulated through the bolt with the rifle body, the other end of long trigger and the inside swing joint of the rifle body, the inboard of long trigger is equipped with first spring, the other end and the rifle body swing joint of first spring, first spring mounting is on the valve rod, the one end and the long trigger interference of valve rod are connected, the other end and the iron check valve interference of valve rod are connected, the iron check valve is installed in the inside of the rifle body, one side of iron check valve is equipped with Y type oil blanket, the inside at the rifle body is installed to Y type oil blanket, the opposite side of iron check valve is equipped with the steel ball, the other side of the steel ball is movably connected with one end of a second spring, the other end of the second spring is installed in an inner side groove of the fixed joint, and the fixed joint is connected with the gun body through threads.

Preferably, the long trigger comprises a first pin hole, a first spring clamping groove, a long through hole and a middle pin hole, the first pin hole is formed in the end portion of the long trigger, the first spring clamping groove is formed in one side of the first pin hole, the long through hole is formed in the other side of the first spring clamping groove, and the middle pin hole is formed in the other side of the long through hole.

Preferably, the rifle body includes inlet port, dog, boss, long trigger pinhole and oil outlet, the inlet port sets up the one end at the rifle body, the dog sets up the inside at the rifle body, the boss sets up the opposite side at the dog, long trigger pinhole sets up the opposite side at the boss, the oil outlet sets up the other end at the rifle body.

Preferably, the fixed joint includes a sealing groove, an external thread and a second spring mounting groove, the sealing groove is disposed on the outer circumference of the fixed joint, the external thread is disposed on one side of the sealing groove, and the second spring mounting groove is disposed on a central shaft of one end of the fixed joint.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the long trigger is made of aluminum alloy, so that the long trigger cannot be damaged due to over-violent force or corrosion of oil products.

2. The distance between the fulcrum of the long trigger and the force application point is increased by utilizing the labor-saving lever principle, and the stroke of the valve rod can be easily controlled to adjust the oiling speed when the long trigger is pulled down.

3. The high-precision iron one-way valve is impurity-resistant, wear-resistant and not easy to leak oil, the working efficiency is improved, the service life is prolonged, and the cost is saved.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is an overall view of the present invention;

FIG. 3 is a structural view of the long trigger of the present invention;

FIG. 4 is a view showing the structure of the gun body of the present invention;

fig. 5 is a structure view of the fixing joint of the present invention.

In the figure: 1. a long trigger; 101. a first pin hole; 102. a first spring catch; 103. an elongated through hole; 104. a middle pin hole; 2. a small trigger; 3. a gun body; 301. an oil inlet hole; 302. a stopper; 303. a boss; 304. a long trigger pin hole; 305. an oil outlet hole; 4. a first spring; 5. a valve stem; 6. y-shaped oil seal; 7. a bolt; 8. an iron check valve; 9. a steel ball; 10. a second spring; 11. fixing the joint; 1101. a sealing groove; 1102. an external thread; 1103. a second spring mounting groove; 12. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: oil gun trigger switch control valve, including long trigger 1, little trigger 2, the rifle body 3, valve rod 5, iron check valve 8 and fixed joint 11, the one end of little trigger 2 is articulated with the middle part of long trigger 1, be equipped with third spring 12 between the one end of little trigger 2 and the long trigger 1, the one end of long trigger 1 is articulated through bolt 7 with the rifle body 3, the other end of long trigger 1 and the inside swing joint of the rifle body 3, the inboard of long trigger 1 is equipped with first spring 4, the other end and the rifle body 3 swing joint of first spring 4, first spring 4 installs on valve rod 5, the one end and the long trigger 1 interference of valve rod 5 are connected, the other end and the iron check valve 8 interference of valve rod 5 are connected, iron check valve 8 is installed in the inside of the rifle body 3, one side of iron check valve 8 is equipped with Y type oil blanket 6, y type oil blanket 6 is installed in the inside of the rifle body 3, the opposite side of iron check valve 8 is equipped with steel ball 9, the opposite side of steel ball 9 and the one end swing joint of second spring 10, the other end of second spring 10 is installed at the inboard inslot of fixed joint 11, fixed joint 11 passes through threaded connection with the rifle body 3, and the sealing washer is installed to the one end of iron check valve 8, installs two sets of sealing washers on the fixed joint 11.

Specifically, long trigger 1 includes first pinhole 101, first spring draw-in groove 102, microscler through-hole 103 and middle part pinhole 104, first pinhole 101 sets up the tip at long trigger 1, first spring draw-in groove 102 sets up the one side at first pinhole 101, microscler through-hole 103 sets up the opposite side at first spring draw-in groove 102, middle part pinhole 104 sets up the opposite side at microscler through-hole 103, and the one end of first spring 4 is installed in first spring draw-in groove 102, and little trigger 2 is articulated with long trigger 1 through middle part pinhole 104, and the one end and the microscler through-hole 103 swing joint of little trigger 2, trigger adopt the aluminum alloy material, increase intensity.

Specifically, the gun body 3 comprises an oil inlet 301, a stopper 302, a boss 303, a long trigger pin hole 304 and an oil outlet 305, wherein the oil inlet 301 is arranged at one end of the gun body 3, the stopper 302 is arranged inside the gun body 3, the boss 303 is arranged at the other side of the stopper 302, the long trigger pin hole 304 is arranged at the other side of the boss 303, the oil outlet 305 is arranged at the other end of the gun body 3, one end of the long trigger 1 is hinged with the gun body 3 through the first pin hole 101 and the long trigger pin hole 304, the other end of the long trigger 1 is movably connected with the inside of the gun body 3, the stopper 302 limits one side of the small trigger 2, and the other end of the first spring 4 is clamped on the boss 303,

specifically, the fixed joint 11 includes a sealing groove 1101, an external thread 1102 and a second spring mounting groove 1103, the sealing groove 1101 is disposed on the outer circumference of the fixed joint 11, the external thread 1102 is disposed on one side of the sealing groove 1101, the second spring mounting groove 1103 is disposed on a central axis of one end of the fixed joint 11, one end of the second spring 10 is movably connected with the steel ball 9, and the other end of the second spring 10 is mounted in the second spring mounting groove 1103.

The working principle is as follows: utilize lever principle, the foremost end at long trigger 1 sets up a bolt 7, there is a valve rod 5 who backs down iron check valve 8 next door at bolt 7, set up one and prevent the striking and the little trigger 2 that the mistake was opened at the middle part of long trigger 1, this little trigger 2 is when not pulling, can withstand the dog 302 of rifle body 3 below, when pulling little trigger 2, the recess of little trigger 2 can break away from dog 302, thereby move together with long trigger 1, back open valve rod 5 and open iron check valve 8 and refuel the operation, third spring 12 drives little trigger 2 playback when loosening little trigger 2, valve rod 5 rebounds, reach the effect of closing the oil gun, there is iron check valve 8 above valve rod 5, steel ball 9, second spring 10, fixed joint 11, there is Y type oil blanket 6 valve rod 5's below, first spring 4, long trigger 1 and little trigger 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Nozzle trigger on-off control valve, including long trigger (1), little trigger (2), the rifle body (3), valve rod (5), iron check valve (8) and fixed joint (11), its characterized in that: the one end of little trigger (2) is articulated with the middle part of long trigger (1), be equipped with third spring (12) between the one end of little trigger (2) and long trigger (1), the one end of long trigger (1) is articulated through bolt (7) with the rifle body (3), the inside swing joint of the other end of long trigger (1) and the rifle body (3), the inboard of long trigger (1) is equipped with first spring (4), the other end and the rifle body (3) swing joint of first spring (4), install on valve rod (5) first spring (4), the one end and the long trigger (1) interference of valve rod (5) are connected, the other end and the iron check valve (8) oil blanket of valve rod (5) are connected, the inside at the rifle body (3) is installed to iron check valve (8), one side of iron check valve (8) is equipped with Y type (6), the Y-shaped oil seal (6) is installed inside the gun body (3), a steel ball (9) is arranged on the other side of the iron one-way valve (8), the other side of the steel ball (9) is movably connected with one end of a second spring (10), the other end of the second spring (10) is installed in an inner side groove of a fixed joint (11), and the fixed joint (11) is connected with the gun body (3) through threads.

2. The fuel nozzle trigger switch control valve according to claim 1, characterized in that: the long trigger (1) comprises a first pin hole (101), a first spring clamping groove (102), a long through hole (103) and a middle pin hole (104), wherein the first pin hole (101) is formed in the end portion of the long trigger (1), the first spring clamping groove (102) is formed in one side of the first pin hole (101), the long through hole (103) is formed in the other side of the first spring clamping groove (102), and the middle pin hole (104) is formed in the other side of the long through hole (103).

3. The fuel nozzle trigger switch control valve according to claim 1, characterized in that: the rifle body (3) includes oil feed port (301), dog (302), boss (303), long trigger pinhole (304) and oil outlet (305), oil feed port (301) set up the one end in the rifle body (3), dog (302) set up the inside at the rifle body (3), boss (303) set up the opposite side at dog (302), long trigger pinhole (304) set up the opposite side at boss (303), oil outlet (305) set up the other end at the rifle body (3).

4. The fuel nozzle trigger switch control valve according to claim 1, characterized in that: the fixed joint (11) comprises a sealing groove (1101), an external thread (1102) and a second spring mounting groove (1103), the sealing groove (1101) is formed in the outer circumference of the fixed joint (11), the external thread (1102) is formed in one side of the sealing groove (1101), and the second spring mounting groove (1103) is formed in the center shaft of one end of the fixed joint (11).

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