CN204099164U - Rotary valve - Google Patents

Abstract

The utility model discloses a rotary air cock which consists of an air cock head, a rotary wheel, an air cock, a pressure injector and a trip piece. The nozzle head and the rotating wheel are provided with a reference surface and a back surface which are mutually abutted, and are provided with a first pivot part and a second pivot part which are mutually coupled; the air nozzle head is concavely provided with a main hole for the sliding of the pressure injector on the reference surface, and the main hole is communicated with an air inlet channel; the rotating wheel is provided with a plurality of air nozzle holes with different specifications at intervals, the air nozzle holes are used for providing matched air nozzles for installation, and the rotating wheel can rotate around the first pivot part to ensure that the air nozzle holes and the air nozzles can be selectively communicated with the main hole; the pulling piece is arranged on the air nozzle head, the end edge of the pressure injector is driven to extend into the corresponding air nozzle hole and press the air nozzle in the pressure injector, the pressure injector is at the position of connecting the air inlet channel and the air nozzle at the moment, and when the pulling piece releases the pressure injector, the air nozzle can push the pressure injector to reset so as to cut off the connection state of the air inlet channel and the air nozzle.

Description

Rotary valve

technical field

The utility model relates to an air nozzle structure, in particular to a wheel type air nozzle.

Background technique

No. 099206403 Patent No. 099206403 filed by the designer of this utility model, because it can provide a wide range of British, French or American mouthpieces of different specifications, it has high practicability and is generally loved by the market.

This prior patent has a first air nozzle and a first injection device for British mouthpieces, a second air nozzle and a second injection device for American mouthpieces, and a third air nozzle for French mouthpieces. The mouth and the third injector, so its internal structure is quite complicated, there are many parts and components, and the assembly is time-consuming and labor-intensive, resulting in high production costs, which is quite uneconomical.

In view of this, the designer of this utility model has developed a utility model that can share a pressure injector through continuous conception and research, so as to make the overall structural configuration and make it more economical.

Utility model content

The purpose of this utility model is to provide a rotary gas nozzle that can be used with different types of nozzles, so as to improve the problem of time-consuming and labor-intensive assembly of the existing structure due to the large number of parts and components, which can reduce production costs and meet economic benefits.

In order to achieve the above object, the solution of the present utility model is:

A rotary gas nozzle, at least including:

A nozzle head, which has a reference plane, and the reference plane is respectively provided with a first pivot portion and a main hole, and the main hole is connected with an air inlet channel externally connected to an air pressure source;

A runner, which has a back surface that abuts against the reference surface, and a second pivot that is coupled to the first pivot, the runner is provided with more than two nozzle holes of different specifications at intervals, and the nozzle holes provide The matching air nozzle is installed, and when the runner rotates around the first pivot, the air nozzle is selectively connected to the main hole;

A pressure injector, which slides in a limited position along the main hole;

A trigger member is installed on the air nozzle head and drives the front edge of the injector to press the corresponding air nozzle.

The nozzle hole is composed of the first nozzle hole, the second nozzle hole and the third nozzle hole; the large-diameter end of the first nozzle hole is provided with a matching first nozzle and the first valve member coaxial Connected in series, the first nozzle and the first valve part are provided with a first beam hole; the large diameter end of the second nozzle hole is used for a coaxial series connection of a matching second nozzle and the second valve part. The second air nozzle and the second valve part are provided with a second beam hole; the large diameter end of the third air nozzle hole is used for a coaxial series connection of a matching third air nozzle and the third valve part, between the third air nozzle and the third air nozzle. The three valve parts are provided with a third bundle of holes.

The nozzle hole is composed of a first nozzle hole and a second nozzle hole; the large-diameter end of the first nozzle hole is connected in series with a matching first nozzle and a first valve member coaxially. The air nozzle and the first valve part are provided with a first beam hole; the large-diameter end of the second air nozzle hole is used for a coaxial series connection of a matching second air nozzle and the second valve part, between the second air nozzle and the second The valve member is provided with a second bundle of holes.

There is a node configuration between the nozzle head and the runner.

The node configuration is that the second pivot is used as the center of the runner, and it is arranged symmetrically on the outer periphery of the runner in a multi-lobe shape that matches the nozzle hole. There are two split slots, and a block is protruded between the two split slots. The block is elastically deformed for the back of the runner to pass through. When the block is opposite to a recessed area, it returns to its original shape and engages in the recessed area. .

Two leak-proof gaskets are installed at intervals on the outer periphery of the injector, and the injector is limitedly slid along the main hole through the two leak-proof gaskets, and an intermediary connecting the air inlet is provided on the outer periphery of the injector between the two leak-proof gaskets. There is a leak-proof ring installed on the front face of the injector, and the other end of the intermediate hole is exposed from the range of the leak-proof ring.

One end of the wrenching member is a force application part, and the other end extends into the main hole and is coupled to the rear of the injector. The other end of the wrenching member is also provided with a cam, which drives the front edge of the injector to disengage the air nozzle hole. Large diameter end.

The nozzle head is provided with a rod-shaped first pivot protruding from the center of the reference plane, and a screw hole is recessed at the front end of the first pivot; the runner is provided with a hole-shaped second pivot coupled to the first pivot, and A bolt passes through the second pivot and is screwed into the screw hole of the first pivot.

The nozzle head is extended forward with a guide rod on the top edge of the reference plane, and a hook block is extended downward at the front end of the guide rod; the top of the runner is restricted by the guide rod, and the front top edge of the runner is restricted by the hook block. The guide rod and the hook block correct the concentricity of the runner when it rotates.

The nozzle head also has a head seat and a handle connected to the head seat. The handle defines an air chamber connected to an external air pressure source. A platform is connected to the head seat and the handle, and the outside of the platform forms the reference plane. , and the reference plane is also provided with the main hole at the position corresponding to the head seat, and the air inlet is connected between the main hole and the air chamber.

After the above-mentioned structure is adopted, the rotary air nozzle of the utility model can selectively provide the air supply of different types of nozzles through a pressure injector. This configuration of sharing a pressure injector greatly reduces The number of parts in the project makes the assembly more time-saving and labor-saving, so as to achieve the goal of economic benefit. 

Description of drawings

Fig. 1 is the exploded schematic view of the utility model;

Fig. 2 is a combined appearance schematic diagram of the utility model;

Fig. 3 is a combined cross-sectional schematic diagram of the utility model when inserting an English-style mouthpiece;

Fig. 4 is the combined cross-sectional schematic diagram of the utility model for supplying air to the English nozzle;

Fig. 5 is a combined cross-sectional schematic view of the utility model when inserting an American-style mouthpiece;

Fig. 6 is a combined cross-sectional schematic diagram of the utility model for supplying air to American nozzles;

Fig. 7 is a combined cross-sectional schematic view of the utility model when the French mouthpiece is inserted;

Fig. 8 is a combined cross-sectional schematic diagram of the utility model for supplying air to French mouthpieces;

Fig. 9 is a combined appearance schematic diagram of the second embodiment of the utility model;

Fig. 10 is a combined sectional view of the second embodiment of the present invention.

in:

Nozzle head 10 Head seat 11 Handle 12

Air chamber 121 Platform 13 Datum plane 131

Guide rod 14 hook block 141 first pivot 15

Screw hole 151 Main hole 16 Air inlet 17

Third hub 18 runner 20 back 21

Second hub 22 Bolt 23 Front 24

Nozzle holes 25A, 25B, 25C

Large diameter end 251A, 251B, 251C

Nozzle 30A, 30B, 30C

Valve parts 31A, 31B, 31C

Beam holes 32A, 32B, 32C

Injector 40 Leak-proof gasket 41, 42 Intermediate hole 43

Leak stop ring 44 Pulling part 50 Force application part 51

The fourth pivot 52 cam 53 split slots 61, 62

Block 63.

Detailed ways

In order to further explain the technical solution of the utility model, the utility model is described in detail through specific examples below.

Please refer to Fig. 1 to Fig. 4, the utility model rotary air nozzle at least includes:

A tuyere head 10, which extends downwards on the outer periphery of a head seat 11 with a handle 12, the inside of the handle 12 defines an air chamber 121 that can be externally connected to an air pressure source (for example: an air pump or an air pipe that can output air pressure), and the head One side of the seat 11 and the handle 12 is provided with a platform 13, and the outer side of the platform 13 is processed to form a datum surface 131. The top edge of the datum surface 131 is extended forward with a guide rod 14, and the front end of the guide rod 14 extends downward. A hook block 141 is provided, and the center of the reference plane 131 protrudes from the center of the rod-shaped first pivot portion 15, and a screw hole 151 is recessed at the front end of the first pivot portion 15, and the reference plane 131 is located at a position corresponding to the head seat 11. A main hole 16 is penetrated, and an air inlet 17 is connected between the main hole 16 and the air chamber 121, so that the aforementioned air pressure source can supply air to the main hole 16. A hole-shaped third pivot portion 18 is provided in the direction;

A runner 20, which has a back surface 21 abutting against the reference plane 131, and is provided with a hole-shaped second pivot portion 22 capable of coupling the first pivot portion 15, and a bolt 23 is used to penetrate the second pivot portion 22. Fit the screw hole 151 of the first pivot 15, so that the second pivot 22 cannot escape from the first pivot 15, and the rotation of the runner 20 is provided. Restricted by the hook block 141, the concentricity of the runner 20 when it rotates is corrected by the guide rod 14 and the hook block 141; the runner 20 is further provided with different specifications of the first nozzle hole 25A and the second nozzle The hole 25B, the third nozzle hole 25C, and the nozzle holes 25A, 25B, and 25C pass through the front 24 and the back 21 of the runner 20 in a stepped shape. Please cooperate with Fig. 1, Fig. 3 and Fig. 4 to view, the large-diameter end 251A of the first air nozzle hole 25A is provided with a matching rubber first air nozzle 30A and the first valve member 31A coaxially connected in series, in the first air nozzle hole 25A. A tuyere 30A and a first valve part 31A are coaxially provided with a first beam hole 32A, the first beam hole 32A can provide the corresponding insertion of the French mouthpiece FV; please refer to Figure 1, Figure 5 and Figure 6, the first The large-diameter end 251B of the second air nozzle hole 25B is provided with a matching rubber second air nozzle 30B and the second valve member 31B coaxially connected in series, and the second air nozzle 30B and the second valve member 31B are coaxially installed. There is a second beam hole 32B, and the second beam hole 32B can provide American-style nozzle AV corresponding plug-in; please refer to Fig. 1, Fig. 7 and Fig. The matching rubber third air nozzle 30C and the third valve part 31C are coaxially connected in series, and a third beam hole 32C is coaxially formed through the third air nozzle 30C and the third valve part 31C. The third beam hole 32C It can be plugged in correspondingly with the English nozzle EV; therefore, when the runner 20 rotates around the first pivot 15, the air nozzle holes 25A, 25B, and 25C can be selectively connected to the main hole 16, so that the air pressure source can pass through The main hole 16 selectively supplies air to the French mouthpiece FV, the American mouthpiece AV or the English mouthpiece EV;

A pressure injector 40, two leak-proof gaskets 41, 42 are installed at intervals on its outer periphery, the pressure injector 40 can be limitedly slid along the main hole 16 through the two leak-proof gaskets 41, 42, and the outer circumference of the pressure injector 40 is more in the An intermediate hole 43 that can communicate with the air inlet 17 is provided between the two leak-proof gaskets 41 and 42. An anti-leakage ring 44 is installed on the front end of the injector 40, and the other end of the intermediary hole 43 is transparent within the scope of the anti-leakage ring 44. It can be seen that, under the rotation of the rotating wheel 20, the intermediate hole 43 can be selectively connected to the first beam hole 32A, the second beam hole 32B, and the third beam hole 32C, so as to selectively connect the French mouthpiece FV, the American mouthpiece Air supply with mouthpiece AV or English mouthpiece EV;

A puller 50, one end of which is a force application portion 51 for the user to output force, the other end extends into the main hole 16 and is located behind the injector 40, and is coupled to the third rod-shaped fourth pivot portion 52. Pivot 18, the pulling member 50 is also provided with a cam 53 at one end extending into the main hole 16; When the hole 25A is connected to the main hole 16, the French mouthpiece FV can be inserted into the first hole 32A, and then the force applying part 51 is pulled to a fixed point, so that the cam 53 drives the rear end of the injector 40 to make the injection The front edge of the device 40 can protrude from the large-diameter end 251A inserted into the first nozzle hole 25A at the front end of the main hole 16 to press the first nozzle 30A and the first valve member 31A, so that the first nozzle 30A can clamp the French connection. Nozzle FV, the first beam hole 32A is airtightly connected to the intermediate hole 43, so that the air pressure source can supply air to the French mouthpiece FV through the intermediate hole 43, and the user can drive the trigger member 50 after the air supply is completed And release the rear end of the injector 40, so that the first air nozzle 30A can push the injector 40 back to the main hole 16, so that the injector 40 cuts off the air supply from the air inlet channel 17, so that the French mouthpiece can be pulled out FV; in the same way, when the user rotates the wheel 20 as shown in Figure 5 and Figure 6, so that the second air nozzle hole 25B is connected to the main hole 16, the American-style mouthpiece AV can be inserted into the second beam hole 32B, and then drive the front edge of the injector 40 to clutch the second valve part 31B through the trigger part 50, which can control whether to supply air to the American-style mouthpiece AV; similarly, when the user rotates as shown in Fig. Rotary wheel 20, when the third nozzle hole 25C is connected to the main hole 16, the English-style adapter EV can be inserted into the third beam hole 32C, and then the front edge of the injector 40 is driven to clutch the third valve by the trigger member 50 Part 31C, that is, it can control whether to supply air to the British-style connector EV;

One node configuration, which mainly uses the second pivot 22 as the center of the runner 20, and then symmetrically arranged on the outer periphery of the runner 20 to match the first nozzle hole 25A, the second nozzle hole 25B, and the third nozzle hole 25C The three-lobe shape makes the runner 20 symmetrically form three recessed sections, and the reference surface 131 is provided with two sectional grooves 61, 62 at intervals, and a clamping block 63 is protrudingly provided between the two sectional grooves 61, 62, so that The block 63 is elastically deformed for the back 21 of the runner 20 to pass through. Please refer to FIG. 3 and FIG. 4. When the block 63 is opposite to a recessed area, it can be restored to its original shape and engaged in the recessed area. , so that the runner 20 can be positioned so that the first nozzle hole 25A is accurately connected to the main hole 16 to provide air supply for the French nozzle FV. In the same way, this node configuration can also provide the second nozzle hole 25B or the third air nozzle hole 25C is accurately connected to the main hole 16, so as to facilitate air supply to the American-style nozzle AV or the British-style nozzle EV.

From the above structural description, it can be known that the utility model of the rotary gas nozzle has at least the following advantages:

1. The utility model selectively provides gas supply for the French-style mouth FV, the American-style mouth AV or the English-style mouth EV through the pressure injector 40. This configuration of sharing one pressure injector 40 greatly reduces the existing The number of parts in the patent record, so as to achieve the purpose of economical manufacturing.

2. The utility model can match with different styles of tuyere heads 10 and runners 20 to produce more exterior styles, which is quite in line with diversified customer requirements, thereby greatly reducing manufacturing costs and improving market acceptance.

In addition, the first nozzle hole 25A, the second nozzle hole 25B, and the third nozzle hole 25C shown in FIG. 1 of the present utility model can be reduced to any two according to actual market needs. Please cooperate with FIG. 10 view, the figure does not give an example to illustrate that the utility model rotor 20 is symmetrically provided with the first air nozzle hole 25A and the second air nozzle hole 25B of different specifications; the large-diameter end 251A of the first air nozzle hole 25A is to provide the first The air nozzle 30A and the first valve part 31A are coaxially connected in series, and the first beam hole 32A is coaxially provided through the first air nozzle 30A and the first valve part 31A. The first beam hole 32A can provide French mouthpiece FV corresponding Insertion; the large-diameter end 251B of the second nozzle hole 25B provides the second nozzle 30B and the second valve part 31B to be connected in series coaxially, and the second nozzle 30B and the second valve part 31B are coaxially provided with a second The beam hole 32B, the second beam hole 32B can provide American-style nozzle AV corresponding insertion; therefore, when the runner 20 rotates around the first pivot 15, the air nozzle holes 25A, 25B can be selectively connected to the main hole 16. The air pressure source can selectively supply air to the French-style mouthpiece FV or the American-style mouthpiece AV through the injection device 40 .

To sum up, the overall configuration of the rotary air nozzle of the utility model can indeed break through the problems of complex structure and monotonous style in the existing reform, and is a highly innovative technical concept. The above-mentioned embodiments and drawings do not limit the product form and style of the present utility model, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the patent scope of the present utility model.

Claims (10)

1. a rotating wheel type valve, is characterized in that, at least includes:

One wind fairing head, it has a reference level, and this reference level is respectively equipped with the first pivot portion, main aperture, and main aperture connects the intake duct having an external gas potential source;

One runner, it has the back side abutting reference level, and is provided with the second pivot portion in the first pivot portion that couples, the tuyere notch being provided with two or more different size at this runner interval, tuyere notch provides to be installed with its tuyere matched, and runner, around the first pivot portion time rotational, makes tuyere optionally connect main aperture;

One force-filling device, it is along the spacing sliding conjunction of main aperture;

One pulling piece, it is installed on wind fairing head, and drives force-filling device front-end edge, oppresses the tuyere corresponding with it.

2. rotating wheel type valve as claimed in claim 1, is characterized in that: described tuyere notch is made up of the first tuyere notch, the second tuyere notch and the 3rd tuyere notch; The bigger diameter end of the first tuyere notch is coaxially connected in series for first tuyere matched and the first valve member, is provided with the first beam hole in the first tuyere and the first valve member; The bigger diameter end of the second tuyere notch is coaxially connected in series for second tuyere matched and the second valve member, is provided with the second beam hole in the second tuyere and the second valve member; The bigger diameter end of the 3rd tuyere notch is coaxially connected in series for the 3rd tuyere matched and the 3rd valve member, is provided with the 3rd beam hole in the 3rd tuyere and the 3rd valve member.

3. rotating wheel type valve as claimed in claim 1, is characterized in that: described tuyere notch is made up of the first tuyere notch, the second tuyere notch; The bigger diameter end of the first tuyere notch is coaxially connected in series for first tuyere matched and the first valve member, is provided with the first beam hole in the first tuyere and the first valve member; The bigger diameter end of the second tuyere notch is coaxially connected in series for second tuyere matched and the second valve member, is provided with the second beam hole in the second tuyere and the second valve member.

4. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: between described wind fairing head and runner, be provided with a Joint Enterprise.

5. rotating wheel type valve as claimed in claim 4, it is characterized in that: described Joint Enterprise is as roller centre using the second pivot portion, many flaps of mating with described tuyere notch are symmetrical arranged in rotor periphery, the multiple recessed interval of formation of rotor periphery symmetry, reference level is interval with two profile grooves, is equipped with a fixture block between two profile grooves, passing through for the runner back side of this latch elastic distortion, when this fixture block is relative with a recessed interval, namely restorable being sticked in is recessed into interval.

6. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: the outer weekly interval of described force-filling device is provided with two leak-proof gaskets, force-filling device is closed along spacing cunning of main aperture by two leak-proof gaskets, force-filling device periphery is provided with the intermediary hole of a connection intake duct between two leak-proof gaskets, force-filling device front-end face is separately provided with seal ring, and the other end of intermediary hole appears by within the scope of seal ring.

7. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: described pulling piece one end is force section, the other end stretches into main aperture and is coupled to force-filling device rear, this pulling piece the other end is also provided with a cam, and pulling piece drives force-filling device front-end edge clutch tuyere notch bigger diameter end.

8. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: described wind fairing head is equipped with shaft-like first pivot portion in reference level central authorities, be arranged with screw in the first front end, pivot portion; Runner is provided with the poroid second pivot portion in the first pivot portion that couples, and wears with a bolt the second pivot portion of pulling and screw togather the screw in the first pivot portion.

9. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: described wind fairing head has a correcting bar in reference level apical margin is extended forward, extended downwards in correcting bar front end have a hook block; Runner top is limited by correcting bar, and before runner, apical margin is hooked block restriction, the concentricity of this correcting bar and hook block correction runner time rotational.

10. as the rotating wheel type valve in claim 1,2 or 3 as described in any one, it is characterized in that: described wind fairing head also has the shank of a headstock, a jointing seat, this shank inside defines the air chamber of an external gas potential source, headstock and shank side are equipped with platform, described reference level is formed outside this platform, and reference level has separately provided described main aperture in corresponding headstock position, connect between main aperture and air chamber and had described intake duct.