WO2012019347A1

WO2012019347A1 - Apparatus for adjusting height of float of inlet water valve

Info

Publication number: WO2012019347A1
Application number: PCT/CN2010/075923
Authority: WO
Inventors: 刘永茂
Original assignee: 厦门立业卫浴工业有限公司
Priority date: 2010-08-12
Filing date: 2010-08-12
Publication date: 2012-02-16

Abstract

An apparatus for adjusting the height of a float of an inlet water valve includes a transmission gear group and an adjusting threaded rod (1). The upper end of the adjusting threaded rod (1) is pivoted on one end of a raising rod (6) of the inlet water valve, and the lower end thereof has a threaded portion (11). The threaded portion (11) of the adjusting threaded rod (1) is threaded with a screw hole (21) of the float (2) to adjust the height of the float (2), the lower end of the adjusting threaded rod (1) simultaneously drives the transmission gear group mounted on the bottom of a small water tank (3), and the multi-stage gears (51,52,53) are meshed with each other. The hub of final stage gear (52) is formed with a screw thread (521) mating with a screw thread (41) formed on a tube wall of an inlet water tube (4). The adjusting threaded rod (1) is used to synchronously adjust the height of the small water tank (3) via the coupling of the screw thread (521) of the final stage gear (52)and the screw thread (41) of the inlet water tube (4). It is convenient to synchronously adjust the heights of the small water tank and the float, and the adjusting range is wide.

Description

Inlet valve float up and down adjustment device

技术领域Technical field

The invention relates to the technical field of the water inlet valve in the sanitary ware, in particular to the structure of the upper and lower adjusting device of the inlet valve of the water inlet valve.

背景技术Background technique

At present, the structure of the inlet valve is substantially as shown in FIGS. 1 to 2, and includes an inlet pipe 10, a spool 70, a float 20, a small water tank 60, an adjusting screw 30, and a lifting rod 40. The adjusting screw 30 includes a shaft 301, a threaded tube 302 and an adapter sleeve 303. The upper end of the shaft 301 is fixed to the end of the upper cover 50 connecting arm 501, and the lower end passes through the adapter sleeve 303 and the threaded tube 302 in sequence and is screwed to the adjustment post 601 of the small water tank 60. The upper end of the adapter sleeve 303 is pivotally connected to one end of the lifting rod 40, and the lower end is engaged with the upper end of the threaded tube 302. The threaded tube 302 is screwed to the screw hole 201 of the float 20.

When the floating bucket 20 of the inlet valve is adjusted up and down, since the floating bucket 20 is used in conjunction with the small water tank 60, the shaft 301 and the threaded pipe 302 need to be respectively rotated, and the thread of the shaft 301 and the adjusting column 601 are required. The small water tank 60 is adjusted up and down, and the floating barrel 20 is adjusted up and down by the screwing of the threaded pipe 302 and the screw hole 201, thereby realizing the adjustment of the water intake amount.

Therefore, this inlet valve has the following drawbacks in the adjustment of the float 20:

First, the structure is complicated and the assembly is troublesome;

Second, the screw hole 201 has a limited depth, so that the adjustment range of the threaded tube 301 is limited, resulting in a small adjustment of the floating barrel 20 up and down.

Third, it requires two steps to adjust, the operation is troublesome.

In view of this, the inventors have improved the structure of the conventional inlet and outlet valve float up and down adjustment device, and the present invention is produced.

发明内容Summary of the invention

The object of the present invention is to provide an up-and-down adjustment device for the inlet valve of the water inlet valve, so as to facilitate the synchronous lifting adjustment of the floating bucket and the small water tank, so that the upper and lower adjustment amounts are larger.

In order to achieve the above object, the technical solution of the present invention is as follows:

The upper and lower adjusting device of the inlet valve of the water inlet valve comprises an adjusting screw and a gear transmission group; the upper end of the adjusting screw is pivotally connected to one end of the lifting rod of the inlet valve, the lower end of the adjusting screw has a threaded section, and the threaded section of the adjusting screw and the screw of the floating barrel are adjusted The hole is screwed to adjust the floating bucket lifting, and the lower end of the adjusting screw is driven to the gear transmission group, the gear transmission group is installed at the bottom of the small water tank, the gears of each stage mesh with each other, and the shaft of the final gear is formed on the wall of the inlet pipe. The threaded engagement adjusts the screw to adjust the small water tank synchronously by the thread of the final gear and the threaded engagement of the water inlet pipe.

The gear transmission group includes at least two stages of gears; the small water tank is provided with a mounting hole corresponding to the position of the screw hole; the first stage gear set is disposed in the mounting hole, the first stage gear is provided with a center hole, and the center hole is provided with convex particles; The threaded section of the adjusting screw has a shaft guiding groove, the lower end of the adjusting screw passes through the screw hole of the floating bucket and is screwed with the screw hole, and the lower end of the adjusting screw passes through the center hole of the first gear, and passes through the guide groove and the convex groove The grain is matched to the first gear.

The device comprises a three-stage gear, and a convex disk matched with the mounting hole is formed above the first gear, and the teeth of the secondary gear meshed with the first gear are located below the convex disk to limit the first gear to the mounting hole, the third gear The outer diameter of the axle is larger than the outer diameter of the third gear, and the axle of the third gear is located below the secondary gear so that the secondary gear is limited to the rotating shaft at the bottom of the small water tank.

The device comprises a two-stage gear, and a hollow shaft formed with a mounting hole and an adjusting screw is formed above the first gear, and an outer diameter of the second gear of the second gear meshed with the first gear is larger than an outer diameter of the second gear, and the second gear The axle is located below the primary gear so that the primary gear is limited to the mounting hole.

The adjusting screw has the same pitch as the inlet pipe thread or the pitch ratio is equal to the gear ratio.

After adopting the above solution, the present invention rotates the adjusting screw when the floating bucket is adjusted up and down, and the lower end of the adjusting screw is screwed with the screw hole of the floating bucket, so that the floating bucket can be raised or lowered, and at the same time, the rotation is adjusted. The screw drive is in the gear transmission group, the gears of each stage mesh with each other, and the thread of the final gear wheel shaft meshes with the thread on the wall of the inlet pipe, thereby driving the small water tank to rise or fall synchronously with the water inlet pipe and the floating bucket.

Compared with the prior art, the invention has the advantages of simple structure, convenient assembly and the following advantages in the adjustment of the floating bucket:

1. Only rotate one adjusting screw, it can adjust the floating bucket and small water tank synchronously, and the adjustment operation is very convenient;

Second, one rotation, synchronous adjustment, adjustment step is consistent, the adjustment amount is easy to control;

3. The adjusting screw has a sufficient length for the floating bucket to be lifted and lowered to increase the up and down adjustment of the floating bucket.

The invention will be further described below in conjunction with the drawings and specific embodiments.

附图说明DRAWINGS

Figure 1 is a schematic structural view of a conventional water inlet valve;

Figure 2 is a combined sectional view of a conventional inlet valve;

Figure 3 is an exploded perspective view of the first embodiment of the present invention;

Figure 4 is a perspective exploded view of the first embodiment of the present invention;

Figure 5 is a perspective assembled view of the first embodiment of the present invention;

Figure 6 is a sectional view showing the combination of the first embodiment of the present invention;

Figure 7 is an exploded perspective view of a second embodiment of the present invention;

Figure 8 is a perspective assembled view of a second embodiment of the present invention;

Figure 9 is a cross-sectional view showing the combination of the second embodiment of the present invention.

Label description

Intake pipe 10 floating bucket 20

Screw hole 201 adjusting screw 30

Shaft 301 threaded pipe 302

Transfer sleeve 303 lift rod 40

Upper cover 50 connecting arm 501

Small water tank 60 adjustment column 601

Spool 70

Adjustment screw 1 thread segment 11

Guide slot 12

Floating bucket 2 screw hole 21

Small water tank 3 mounting hole 31

Inlet pipe 4 thread 41

First stage gear 51 center hole 511

Projection 512 hollow shaft 513

Bobbin 514 final gear 52

Thread 521 transition gear 53

Lifting rod 6

具体实施方式detailed description

As shown in FIG. 3 to FIG. 9 , the invention discloses a water inlet valve upper and lower adjusting device for an inlet valve, comprising an adjusting screw 1 and a gear transmission group (preferably at least two stages of gears).

The structure of the inlet valve is correspondingly improved: a screw hole 21 is provided in the floating bucket 2. For the convenience of installation, the small water tank 3 is provided with a mounting hole 31 at a position corresponding to the screw hole 21, and a thread 41 is formed on the pipe wall of the inlet pipe 4.

The upper end of the adjusting screw 1 is pivotally connected to one end of the inlet valve lifting rod 6, and the lower end of the adjusting screw 1 has a threaded section 11, and the threaded section 11 has an axial guiding groove 12.

In the gear transmission group, the first stage gear 51 is disposed in the mounting hole 31, the first stage gear 51 is provided with a center hole 511, and the center hole 511 is provided with a convex 512. The other gears are mounted on the bottom of the small water tank 3, and the gears of each stage mesh with each other. A thread 521 is formed on the axle of the final gear 52.

During assembly, the lower end of the adjusting screw 1 passes through the screw hole 21 of the floating bucket 2 and is screwed to the screw hole 21, while the lower end of the adjusting screw 1 is driven to the gear transmission group, and the adjusting screw 1 and the gear transmission group are many. For example, the lower end of the adjusting screw 1 is passed through the center hole 511 of the first stage gear 51, and is coupled to the first stage gear 51 by the guide groove 12 in cooperation with the projection 512. The thread 521 of the axle of the final stage gear 52 cooperates with the thread 41 of the wall of the inlet pipe 4. The pitch of the adjusting screw 11 and the thread 41 is equal or the pitch ratio is equal to the gear ratio.

In the invention, when the floating bucket 2 is adjusted up and down, the adjusting screw 1 is rotated, and the screw thread 21 of the lower end thread of the adjusting screw 1 is screwed with the screw hole 21 of the floating tub 2, so that the floating bucket 2 can be raised by the thread. Or the lowering action, at the same time, the rotating adjusting screw 1 is transmitted to the first-stage gear 51 by the concave-convex engagement of the convex 512 of the first-stage gear 51 by the guide groove 12, and the gears of the respective stages are meshed with each other, and the thread 521 of the axle of the final stage 52 is advanced. The thread 41 on the wall of the water pipe 4 is threadedly engaged to drive the small water tank 3 to rise or lower with respect to the water inlet pipe 4. The pitch of the adjusting screw 11 and the thread 41 is equal or the pitch ratio is equal to the gear ratio, so that the adjusting screw 1 is used to make the floating bucket 2 and the small water tank 3 synchronously move up and down, the adjustment operation is very convenient, the adjustment step is consistent, and the adjustment is made. The amount is easy to control and the adjustment range is maximized.

The invention is applicable to a variety of inlet valves, such as side inlet valves and bottom inlet valves. The number of gears of the present invention is not limited, and the number of threads is determined by the number of gears. The present invention provides two specific embodiments for explaining the mounting structure of the gears.

3 to 6 are the bottom water inlet valve of the present invention. In this embodiment, the device includes a three-stage gear, and a convex disk 514 which is engaged with the mounting hole 31 is formed above the first gear 51 (first gear). The teeth of the transition gear 53 (secondary gear) meshing with the first stage gear 51 are located below the convex disk 514 to limit the first stage gear 51 to the mounting hole 31, and the outer diameter of the final stage gear 52 (three-stage gear) is larger than the end The outer diameter of the stage gear 52, the axle of the final stage gear 52 is located below the transition gear 53, and the transition gear 53 is limited to the shaft at the bottom of the small water tank 3.

7 to 9 are views of the present invention applied to a side inlet valve. In this embodiment, the apparatus includes a two-stage gear, and a hollow portion of the first stage gear 51 (first stage gear) is formed with the mounting hole 31 and the adjusting screw 1 The shaft 513, the outer diameter of the final gear 52 (secondary gear) meshing with the first stage gear 51 is larger than the outer diameter of the final stage gear 52, and the axle of the final stage gear 51 is located below the first stage gear 51 to limit the first stage gear 51 Located on the mounting hole 31.

The above is only a preferred embodiment of the present invention, and various changes made to the specific embodiments thereof based on the design points of the present invention within the scope of knowledge of those skilled in the art, but all fall within the scope of protection of the present invention. Inside.

Claims

1. The upper and lower adjusting device of the inlet valve of the water inlet valve is characterized in that it comprises an adjusting screw and a gear transmission group; the upper end of the adjusting screw is pivotally connected to one end of the lifting rod of the inlet valve, the lower end of the adjusting screw has a threaded section, and the thread of the adjusting screw is adjusted. The segment is screwed with the screw hole of the floating bucket to adjust the float lifting, and the lower end of the adjusting screw is driven to the gear transmission group, the gear transmission group is installed at the bottom of the small water tank, the gears of each stage are meshed with each other, and the shaft of the final gear is threaded. Cooperating with the thread on the wall of the inlet pipe, the adjusting screw adjusts the synchronous lifting of the small water tank by the threading of the thread of the final gear and the thread of the water inlet pipe.

2 . The up-and-down adjustment device for the inlet valve of the water inlet valve according to claim 1 , wherein the gear transmission group comprises at least two stages of gears; the small water tank is provided with a mounting hole corresponding to the position of the screw hole; the first stage gear set is provided. In the mounting hole, a central hole is arranged on the first gear, and a convex particle is arranged on the central hole; the threaded section of the adjusting screw has a shaft guiding groove, and the lower end of the adjusting screw passes through the screw hole of the floating barrel and the screw hole At the same time, the lower end of the adjusting screw passes through the central hole of the first gear, and is coupled to the first gear by the guide groove and the convex groove.

3. The up-and-down adjustment device for a water inlet valve of claim 2, wherein the device comprises a three-stage gear, and a convex disk that cooperates with the mounting hole is formed above the first gear, and meshes with the first-stage gear. The teeth of the secondary gear are located below the convex disk to limit the first gear to the mounting hole. The outer diameter of the third gear is larger than the outer diameter of the third gear. The axle of the third gear is below the secondary gear so that the secondary gear is limited. On the shaft at the bottom of the small tank.

The upper and lower adjusting device for the inlet valve of the water inlet valve according to claim 2, wherein the device comprises a two-stage gear, and a hollow shaft formed with the mounting hole and the adjusting screw is formed above the first gear, and the first stage The outer diameter of the wheel of the gear meshing secondary gear is larger than the outer diameter of the secondary gear, and the axle of the secondary gear is located below the primary gear so that the first gear is limited to the mounting hole.

5. The inlet valve up and down adjustment device of claim 1, wherein the adjusting screw and the inlet pipe thread have the same pitch or the pitch ratio is equal to the gear ratio.