CN214579225U

CN214579225U - Worm wheel head with lock disc

Info

Publication number: CN214579225U
Application number: CN202120703566.6U
Authority: CN
Inventors: 李连山; 王磊
Original assignee: Tianjin Xinghang Valve Co ltd
Current assignee: Tianjin Xinghang Valve Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model relates to a worm wheel head technical field, and disclose a worm wheel head with lock dish, which comprises a housin, the casing is close to the relative one side inner wall rotation in front and back of upper end and is connected with the center pin, the center pin external fixation has cup jointed the worm wheel, the casing is close to the lower extreme about relative one side inner wall rotate through sealed bearing and be connected with same worm, worm and worm wheel meshing, the right-hand member of worm runs through and stretches out the outer and fixedly connected with carousel of casing, the right-hand member fixedly connected with cover of casing is at the outer solid fixed cylinder of worm, the solid fixed cylinder is kept away from the fixed cup of the one end outer wall of casing and is connect the lock dish, the lateral wall symmetry of carousel has been seted up two jacks and jack internalization and has been inserted and be equipped with the location inserted bar, the same fixed plate of right-hand member fixedly connected with of two location inserted bars. The utility model discloses can stabilize spacing to the carousel, avoid lawless persons or unexpected touching to influence the problem of normally opening and close of valve, the safety protection nature is better.

Description

Worm wheel head with lock disc

Technical Field

The utility model relates to a worm gear technical field especially relates to a worm gear head with lock dish.

Background

The worm gear head is a mechanism for controlling the opening of the valve and the medium flow, and the traditional worm gear head enables the worm to drive the worm gear to rotate through the hand wheel so as to drive the valve rod to rotate to open or close the valve.

However, the hand wheel of the existing worm wheel head is directly exposed outside, and no protection mechanism is provided, so that people can touch the hand wheel easily to open and close the valve without careless mistaken touch or accident, the protection is very poor, serious production accidents are easily caused, and the actual production requirement can not be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art worm wheel head's hand wheel and directly exposing outside, and do not have any protection mechanism, careless mistake is touched or so can both make people bump the hand wheel very easily and carry out opening and close to the valve, and protectiveness is very poor, causes serious production accident easily, the problem of satisfying the actual production demand that can not be fine, and the worm wheel head with lock dish that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a worm gear head with a lock disc comprises a shell, wherein a central shaft is rotatably connected to the inner wall of the front and back opposite sides of the shell close to the upper end, a worm gear is fixedly sleeved outside the central shaft, the inner wall of the left and right opposite sides of the shell close to the lower end is rotatably connected with a same worm through a sealing bearing, the worm is meshed with the worm gear, the right end of the worm penetrates out of the shell and is fixedly connected with a rotary disc, the right end of the shell is fixedly connected with a fixed cylinder which is sleeved outside the worm, the outer wall of one end of the fixed cylinder far away from the shell is fixedly sleeved with the lock disc, the side wall of the rotary disc is symmetrically provided with two jacks, positioning insertion rods are movably inserted in the jacks, the right ends of the two positioning insertion rods are fixedly connected with a same fixed plate, and the side wall of the lock disc is provided with a plurality of positioning insertion holes which are correspondingly inserted with the positioning insertion rods and are distributed in an annular shape, and the outer side of the locking disc is fixedly connected with a plurality of limiting mechanisms for fixing and positioning the inserted rod.

Preferably, a plurality of handle rods are uniformly and fixedly connected to the outer side of the rotating disc.

Preferably, stop gear is including connecting the U-shaped gag lever post in the locking dish outside, two spacing holes that correspond the grafting with the vertical portion of U-shaped gag lever post are seted up to the pole wall of location inserted bar, the even fixedly connected with in the outside of locking dish a plurality of joint pieces with a plurality of U-shaped gag lever posts one-to-one respectively, the joint mouth that matches the cutting ferrule with the joint piece is seted up to the horizontal part of U-shaped gag lever post, the joint piece is kept away from the one end lateral wall of locking dish and has been seted up the lockhole, the lock joint has the switch lock in the lockhole.

Preferably, the outer side of the handle rod is coated with a layer of anti-skid wear-resistant rubber pad.

Preferably, the clamping block and the clamping interface are in corresponding rectangular structures.

Compared with the prior art, the utility model provides a worm-gear head with lock dish possesses following beneficial effect:

1. this worm gear with lock dish, carousel through being equipped with, it rotates to drive the worm through the carousel, the meshing effect of rethread worm and worm wheel can realize the quick adjustment operation, when adjusting to suitable position needs locking, peg graft the location inserted bar in the jack of carousel lateral wall, and make the location inserted bar aim at insert in the location jack that corresponds, it is firm to make carousel and locking dish connect relatively, peg graft the U-shaped gag lever post in the spacing hole of location inserted bar pole wall again, realize the firm connection of location inserted bar and locking dish, the joint mouth card cover of U-shaped gag lever post wall outside the joint piece this moment, again with switch lock halving can realize in the lock hole firm fixed to whole mechanism, can stabilize spacing to the carousel, avoid lawless person or unexpected touching to influence the problem of normally opening and close of valve, safety protection nature is better.

2. This worm wheel head with lock dish through many handlebars that are equipped with, drives the carousel through the handlebars and rotates laborsaving convenient more, the people's quick adjustment operation of being convenient for.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can stabilize spacingly to the carousel, avoid lawless persons or unexpected touching to influence the problem of normally opening and close of valve, the safety protection nature is better.

Drawings

Fig. 1 is a schematic structural view of a worm gear head with a lock disc according to the present invention;

fig. 2 is a schematic structural diagram of a worm gear head a with a lock disk according to the present invention.

In the figure: the locking mechanism comprises a shell 1, a central shaft 2, a worm wheel 3, a worm 4, a rotary table 5, a fixed cylinder 6, a locking disc 7, a positioning inserted rod 8, a fixed plate 9, a positioning insertion hole 10, a handle rod 11, a U-shaped limiting rod 12, a limiting hole 13, a clamping block 14, a clamping interface 15, a locking hole 16 and a switch lock 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a worm gear head with a lock disc comprises a housing 1, a central shaft 2 is rotatably connected to the inner wall of the front and back opposite sides of the housing 1 near the upper end, a worm wheel 3 is fixedly sleeved outside the central shaft 2, the inner wall of the left and right opposite sides of the housing 1 near the lower end is rotatably connected with a same worm 4 through a sealed bearing, the worm 4 is meshed with the worm wheel 3, the right end of the worm 4 extends out of the housing 1 and is fixedly connected with a rotary disc 5, the right end of the housing 1 is fixedly connected with a fixed cylinder 6 which is sleeved outside the worm 4, the outer wall of the end of the fixed cylinder 6 far away from the housing 1 is fixedly sleeved with a lock disc 7, the side wall of the rotary disc 5 is symmetrically provided with two jacks, positioning insertion rods 8 are movably inserted in the jacks, the right ends of the two positioning insertion rods 8 are fixedly connected with a same fixed plate 9, the side wall of the lock disc 7 is provided with a plurality of positioning insertion holes 10 which are inserted corresponding to the positioning insertion rods 8 and are distributed annularly, the outer side of the locking disc 7 is fixedly connected with a plurality of limiting mechanisms for fixing and positioning the inserted rod 8.

A plurality of handle rods 11 are evenly and fixedly connected to the outer side of the rotary disc 5.

Stop gear is including connecting the U-shaped gag lever post 12 in the locking dish 7 outside, two spacing holes 13 that correspond the grafting with the vertical portion of U-shaped gag lever post 12 are seted up to the pole wall of location inserted bar 8, the even fixedly connected with in the outside of locking dish 7 a plurality of joint pieces 14 with a plurality of U-shaped gag lever posts 12 one-to-one respectively, joint interface 15 with joint piece 14 matching cutting ferrule is seted up to the horizontal part of U-shaped gag lever post 12, the one end lateral wall that locking dish 7 was kept away from to joint piece 14 has seted up lockhole 16, the lockhole 16 internal lock has switch lock 17.

The outer side of the handle rod 11 is coated with a layer of anti-skid and wear-resistant rubber pad.

The card block 14 and the card interface 15 are of corresponding rectangular configuration.

In the utility model, when in use, the worm 4 is driven to rotate by the turntable 5 through the turntable 5, and then the rapid adjustment operation can be realized through the meshing action of the worm 4 and the worm wheel 3, when the proper position is adjusted to be locked, the positioning inserted rod 8 is inserted into the jack on the side wall of the turntable 5, and the positioning inserted rod 8 is aligned and inserted into the corresponding positioning jack 10, so that the turntable 5 and the locking disc 7 are connected stably, and then the U-shaped limiting rod 12 is inserted into the limiting hole 13 on the rod wall of the positioning inserted rod 8, so as to realize the stable connection of the positioning inserted rod 8 and the locking disc 7, at the moment, the clamping port 15 on the rod wall of the U-shaped limiting rod 12 is sleeved outside the clamping block 14, and the switch lock 17 is locked in the lock hole 16, so as to realize the stable fixation of the whole mechanism, the turntable 5 can be fixed and limited, thereby avoiding the problem that the normal opening and closing of the valve are influenced by lawless persons or accidental touch, the safety protection nature is better, through many handle bars 11 that are equipped with, drives carousel 5 through handle bar 11 and rotates laborsaving convenient more, and the people's quick adjustment of being convenient for operates.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A worm wheel head with a lock disc comprises a shell (1) and is characterized in that a central shaft (2) is rotatably connected to the inner wall of one side, close to the upper end, of the shell (1) in a front-back opposite mode, a worm wheel (3) is fixedly sleeved outside the central shaft (2), the inner wall of one side, close to the lower end, of the shell (1) in a left-right opposite mode is rotatably connected with a same worm (4) through a sealing bearing, the worm (4) is meshed with the worm wheel (3), the right end of the worm (4) penetrates through the shell (1) to extend out and is fixedly connected with a rotary disc (5), a fixed cylinder (6) which is sleeved outside the worm (4) is fixedly connected to the right end of the shell (1) in a covering mode, a locking disc (7) is fixedly sleeved on the outer wall of one end, far away from the shell (1), of the fixed cylinder (6), two insertion holes are symmetrically formed in the side wall of the rotary disc (5), and positioning insertion rods (8) are movably inserted in the insertion holes, two the same fixed plate (9) of right-hand member fixedly connected with of location inserted bar (8), a plurality of location jack (10) that correspond grafting and be the annular and distribute the setting with location inserted bar (8) are seted up to the lateral wall of locking dish (7), a plurality of stop gear who are used for fixed positioning inserted bar (8) of outside fixedly connected with of locking dish (7).

2. Worm-wheel head with a lock disk according to claim 1, characterized in that a plurality of handle bars (11) are fixedly connected to the outside of the rotary disk (5) uniformly.

3. The worm-gear head with the lock disc according to claim 1, wherein the limiting mechanism comprises a U-shaped limiting rod (12) connected to the outer side of the lock disc (7), the rod wall of the positioning insertion rod (8) is provided with two limiting holes (13) correspondingly inserted with the vertical portion of the U-shaped limiting rod (12), the outer side of the lock disc (7) is uniformly and fixedly connected with a plurality of clamping blocks (14) respectively corresponding to the U-shaped limiting rods (12), the horizontal portion of the U-shaped limiting rod (12) is provided with a clamping interface (15) matched with the clamping sleeve of the clamping block (14), one end side wall of the clamping block (14) far away from the lock disc (7) is provided with a lock hole (16), and a switch lock (17) is locked in the lock hole (16).

4. The worm-gear head with lock disc as claimed in claim 2, wherein the outer side of the handle bar (11) is covered with a layer of anti-skid and wear-resistant rubber pad.

5. Worm-wheel head with a lock disc according to claim 3, characterized in that said snap-in block (14) and snap-in mouth (15) are of corresponding rectangular configuration.