CN218394191U

CN218394191U - Steering nozzle with two rotational degrees of freedom for worm gear spray gun

Info

Publication number: CN218394191U
Application number: CN202221650654.5U
Authority: CN
Inventors: 张兆旭
Original assignee: Shandong Delong Irrigation And Drainage Equipment Co ltd
Current assignee: Shandong Delong Irrigation And Drainage Equipment Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-01-31
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a turn to nozzle that is used for two rotational degrees of freedom that have of worm gear spray gun, include: base, steering jet, fixed cover, the utility model discloses have two rotational degrees of freedom, rotatory nimble, it is wider for prior art application scene, simple to operate moreover, easy the regulation has wide application prospect.

Description

Steering nozzle with two rotational degrees of freedom for worm gear spray gun

Technical Field

The utility model relates to an install the nozzle on the water pistol, concretely relates to a turn to nozzle that has two rotational degrees of freedom for worm gear spray gun.

Background

The nozzle is used as a component, usually in combination with a spray gun, to achieve the effect of regulating the water flow. In the prior art, some designs directly fix the nozzle on the spray gun, and the rotation of the nozzle cannot be realized by the design, so that the spraying range of water flow is small.

Prior art designs in which the nozzle is rotatable relative to the spray gun after it has been attached thereto, for example in CN216025633U disclose an angularly adjustable nozzle and spray gun comprising: the device comprises a base 1 and a first flow channel, wherein the base 1 can be fixedly arranged on a pipe body, and the base 1 is provided with a first flow channel 101 and a hemispherical groove 102; the nozzle comprises a nozzle body 2, a second flow passage 201 communicated with the first flow passage 101 is arranged in the nozzle body in a penetrating mode along the axial direction, one end of the nozzle body 2 is a spray head 21, water sprayed out of the pipe body can sequentially pass through the first flow passage 101 and the second flow passage 201 and then be sprayed out of the spray head 21, the other end of the nozzle body is a positioning ball 22 capable of being matched with the hemispherical groove 102, and the positioning ball 22 can drive the spray head 21 to rotate in the hemispherical groove 102 under the action of external force and can be positioned at any position when the external force is removed; a fixing sleeve 3 detachably fixed on the base 1, wherein the fixing sleeve 3 can press the base 1 to position the positioning ball 22 in the hemispherical groove 102.

In the angle-adjustable nozzle and the lance disclosed in the above patent documents, although the nozzle is rotatable with respect to the lance, the range of rotation is limited, and the nozzle can be rotated only in the up-down or left-right direction, that is, only in both directions, and there are few selectable orientations when fixed, and the application scenarios are limited.

Disclosure of Invention

The technical scheme of the utility model be used for solving the technical problem who exists more than. The utility model provides a steering nozzle capable of adjusting direction, which comprises a base, a first base and a second base, wherein the first base and the second base are integrated into a whole; the first end of the second base is connected with the second end of the first base, the second end of the second base is a second end part, a second opening is formed in the second end part of the second base, and the second opening is in contact with the steering ball; the steering ball is characterized in that communicated circular through holes are formed in the first base and the second base, internal threads are arranged in the first base or external threads are concentrically arranged outside the first base, external threads are arranged outside the second base, and a first contact surface matched with the surface of the steering ball is arranged in the second base; the steering jet orifice comprises a steering ball and a jet orifice, the steering ball and the jet orifice are of an integrated structure, the first end of the steering ball is a third end part, a third opening is arranged on the surface of the third end part of the steering ball, the first surface of the steering ball is matched with the first contact surface, so that the steering ball has two rotational degrees of freedom, and the second end of the steering ball is connected with the jet orifice and is provided with a fourth opening; the nozzle is in a circular truncated cone shape, openings at two ends of the nozzle are both circular, an opening at one end connected with the steering ball is a fifth opening, an opening at the other end is a sixth opening, and the diameter of the fifth opening is larger than that of the sixth opening; the inner surface of the fixing sleeve is provided with threads and can be screwed onto the second base, and the steering ball can be fixed in one direction under the screwing state of the fixing sleeve; the first end of the fixing sleeve is a seventh end part, the surface of the fixing sleeve is provided with a seventh opening, the second end of the fixing sleeve is an eighth end part, the surface of the fixing sleeve is provided with an eighth opening, the diameter of the seventh opening is smaller than that of the eighth opening, and the seventh opening can prevent the steering ball from falling off from the second base.

Further, the inner or outer surface of the first base has a first thread by which the first base can be screwed to the spray gun; the outer surface of the second base is provided with a second thread, and the fixing sleeve can be screwed to the second base through the second thread.

Further, the thread inside the fixing sleeve is a third thread, and the third thread can be matched with the second thread to screw the fixing sleeve to the second base.

Furthermore, a first cavity is formed in the second base, and the shape of the first cavity is the same as that of the third end of the steering ball.

Furthermore, the diameter of the first opening is 10-15 cm, and the diameter of the second opening is 8-13 cm.

Furthermore, the diameter of the steering ball is 8-13 cm, the diameter of the third opening is 6-8 cm, and the diameter of the fourth opening is 4-6 cm.

Furthermore, the diameter of the fifth opening is 4-6 cm, and the diameter of the sixth opening is 2-4 cm.

Further, the fourth opening and the fifth opening are the same opening.

Further, the third opening is always positioned in the second base when the steering ball rotates.

Furthermore, the diameter of the seventh opening is 10-15 cm, and the diameter of the eighth opening is 10-16 cm.

The utility model discloses have two rotational degrees of freedom, it is rotatory nimble, it is wider for prior art application scene, simple to operate moreover, easy regulation has wide application prospect.

Drawings

Fig. 1 is a schematic view of a spray gun to which the nozzle of the present invention is applied.

Detailed Description

The following embodiments of the present invention are described in terms of specific embodiments, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be understood that the processing equipment or apparatus not specifically identified in the following examples is conventional in the art. Furthermore, it is to be understood that one or more method steps mentioned in the present application do not exclude that other method steps may also be present before or after the combined steps or that other method steps may also be inserted between these explicitly mentioned steps, unless otherwise indicated; it should also be understood that references to a combined connection between one or more devices/apparatus in the present disclosure do not preclude the presence of additional devices/apparatus before or after the combined device/apparatus or the insertion of additional devices/apparatus between two of the devices/apparatus specifically identified unless otherwise indicated. Moreover, unless otherwise indicated, the numbering of the various method steps is merely a convenient tool for identifying the various method steps, and is not intended to limit the order in which the method steps may be arranged or the scope of the invention which may be practiced.

Referring to fig. 1, fig. 1 shows the overall structure of the spray gun. The spray gun in figure 1 has a main water pipe 1 and a reversing water pipe 2, and a nozzle 11 is arranged at the front end of the main water pipe 1; a rotary transmission device 3 is arranged below the main spray water pipe, the rotary transmission device 3 comprises an impeller 31 arranged in front of the reversing water pipe 2, the rotating shaft of the impeller 31 is connected with a gear mechanism 32 arranged in the rotary transmission device 3, a transmission rod 33 is arranged in the rotary transmission device 3, one end of the transmission rod 33 is connected to the gear mechanism 32, and the other end of the transmission rod 33 is connected to a driving part 34. The impeller 31 is impacted by the water flow of the reversing water pipe 2 and then rotates, the rotating shaft of the impeller 31 drives the gear mechanism 32 to rotate, the gear mechanism converts the rotating motion of the impeller 31 into the rotating motion of the transmission rod 33, and the gear mechanism 32 can be a helical gear set or a worm and gear set or other mechanical structures capable of realizing motion conversion; the transmission rod 33 is connected to a drive member 34.

Main water pipe 1, switching-over water pipe 2, rotary transmission device 3 all are connected to base 4. A driven part 41 which can be mutually meshed with the driving part 34 is arranged in the base 4; the driving part 34 and the driven part 41 can be worm gears or helical gear sets or other mechanical structures which can realize motion conversion. The driven part 41 is fixedly connected to the lower housing, and the main water pipe 1, the reversing water pipe 2 and the rotation transmission device 3 are directly connected to the upper housing 42. The upper and lower housings can be rotated relative to each other.

A blocking element 51 is also connected to the exterior of the lower housing of the base 4.

A steering deflector rod 21 is arranged below the reversing water pipe 2.

The nozzle 11 of the present invention has two rotational degrees of freedom, and the detailed description of the specific features of the nozzle follows.

The utility model discloses a turn to nozzle that is used for worm gear spray gun to have two rotational degrees of freedom includes the base, turn to the jet, turn to the ball, the spout, fixed cover, the base includes first base and second base, first base and second base structure as an organic whole, the surface of the first tip of first base has first opening, the surface of the second tip of second base has the second opening, both openings are circular, the diameter of first opening is 12cm, the diameter of second opening is 10cm, there is first screw thread inside the first base, can screw to the spray gun through first screw thread base, there is the second screw thread outside the second base, there is the first cavity inside the second base, the inside first contact surface that matches with turning to the ball that has still in the second base, turn to including turning to ball and spout, turning to ball and spout structure as an organic whole, the diameter that turns to the ball is 9.9cm, one end of the steering ball is a third end part, the shape of the first cavity is the same as that of the third end part of the steering ball, the surface of the third end part is provided with a third opening, the surface of the steering ball is a first surface, the first surface is matched with the first contact surface, the steering ball can have two rotational degrees of freedom, in the rotating process, the third opening of the steering ball is always arranged in the second base, the diameter of the third opening is 6cm, the direction of the steering jet opening is rotated to the right by 30 degrees, the opening at the other end of the steering ball is a fourth opening, the diameter of the fourth opening is 4cm, the third opening of the steering ball is always arranged in the second base, the jet nozzle is in a circular table shape, water flow can be gathered, the end with the large opening diameter is a fifth opening, the diameter of the fifth opening is 4cm, the end with the small opening diameter is a sixth opening, the diameter of the sixth opening is 3cm, and the fifth opening and the fourth opening are the same opening, the fixed sleeve is provided with a seventh opening and an eighth opening, the diameter of the seventh opening is 12cm, the diameter of the eighth opening is 13cm, a third thread is arranged in the fixed sleeve and can be matched with the second thread to enable the fixed sleeve to be screwed to the second base, the steering jet orifice can be fixed in one direction in the state that the fixed sleeve is screwed to the second base, and the seventh opening can prevent the steering ball from sliding down from the inside of the second base.

The utility model discloses in, the rotation that turns to the jet relies on to turn to the ball, the second base, the cooperation of fixed cover, the internal face that turns to ball and second base is smooth, frictional force is little, there is not coarse arch, turn to the first surface of ball and the first contact surface of second base and take place the relative slip when turning to the ball in the second base, confirm the pivoted direction and be the right rotation 30, will turn to ball 3 right rotations 30, will fix the cover and screw to the second base on, the direction that turns to the jet is fixed, change the direction that turns to the jet again, need remove fixed cover from the second base, operate according to above-mentioned step again.

While the foregoing is directed to embodiments of the present application, other modifications and variations of the present application may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of better explaining the present application, and the scope of protection of the present application shall be subject to the scope of protection of the claims.

Moreover, those of skill in the art will understand that although some embodiments described herein include some but not other features included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

Claims

1. A steering nozzle with two rotational degrees of freedom for a worm gear spray gun, comprising:

the base is provided with a first base and a second base, the first base and the second base are of an integral structure, the first end of the first base is used for being connected to the spray pipe and is a first end part, a first opening is formed in the first end part, the second end of the first base is connected with the first end of the second base, the second end of the second base is a second end part, a second opening is formed in the second end part of the second base, and the second opening is in contact with the steering ball;

the steering ball is characterized in that communicated circular through holes are formed in the first base and the second base, internal threads are arranged in the first base or external threads are concentrically arranged outside the first base, external threads are arranged outside the second base, and a first contact surface matched with the surface of the steering ball is arranged in the second base;

the steering jet orifice comprises a steering ball and a nozzle, the steering ball and the nozzle are of an integrated structure, the first end of the steering ball is a third end part, the surface of the third end part of the steering ball is provided with a third opening, the surface of the steering ball is a first surface, the first surface is matched with a first contact surface so that the steering ball has two rotational degrees of freedom, and the second end of the steering ball is connected with the nozzle and is provided with a fourth opening; the nozzle is in a circular truncated cone shape, openings at two ends of the nozzle are both circular, an opening at one end connected with the steering ball is a fifth opening, an opening at the other end is a sixth opening, and the diameter of the fifth opening is larger than that of the sixth opening;

the inner surface of the fixed sleeve is provided with threads and can be screwed on the second base, and the steering ball can be fixed by the fixed sleeve in a screwing state so as not to rotate relative to the base; the first end of the fixing sleeve is a seventh end part, the surface of the fixing sleeve is provided with a seventh opening, the second end of the fixing sleeve is an eighth end part, the surface of the fixing sleeve is provided with an eighth opening, and the diameter of the seventh opening is smaller than that of the eighth opening.

2. The turning nozzle with two rotational degrees of freedom for a worm gear spray gun as claimed in claim 1, wherein the inner or outer surface of the first mount has a first thread by which the first mount can be screwed to the spray gun; the outer surface of the second base is provided with a second thread, and the fixing sleeve can be screwed to the second base through the second thread.

3. A steering nozzle for a worm gear spray gun with two degrees of rotational freedom as defined in claim 1 wherein the thread on the interior of the sleeve is a third thread capable of mating with the second thread to screw the sleeve to the second base.

4. The turning nozzle for the worm gear spray gun with two degrees of freedom of rotation of claim 1, said second seat having a first cavity therein, said first cavity having the same shape as the third end of the turning ball.

5. The turning nozzle for the worm gear spray gun with two degrees of freedom of rotation of claim 1, the diameter of the first opening being 10-15 cm and the diameter of the second opening being 8-13 cm.

6. The turning nozzle with two degrees of freedom of rotation for a worm gear spray gun according to claim 1, wherein the turning ball has a diameter of 8-13 cm, the third opening has a diameter of 6-8 cm, and the fourth opening has a diameter of 4-6 cm.

7. The turning nozzle with two degrees of freedom of rotation for a worm gear spray gun according to claim 1, wherein the diameter of the fifth opening is 4-6 cm and the diameter of the sixth opening is 2-4 cm.

8. The turning nozzle for a worm gear spray gun having two degrees of rotational freedom of claim 1, said fourth opening being the same opening as the fifth opening.

9. The turning nozzle for the worm gear spray gun with two degrees of freedom of rotation of claim 1, the third opening remaining inside the second seat when the turning ball is turned.

10. The turning nozzle with two degrees of freedom of rotation for a worm gear spray gun according to claim 1, wherein the diameter of the seventh opening is 10-15 cm and the diameter of the eighth opening is 10-16 cm.