CN216200378U - Divide a formula signal worm gear head structure - Google Patents

Abstract

A split type signal worm gear head structure comprises a worm gear display switch box, an upper worm gear box shell, a lower worm gear box shell and a worm, wherein the worm gear display switch box is arranged at the upper end of the upper worm gear box shell, bolt assembling grooves are formed in the peripheries of the outer walls of the upper worm gear box shell and the lower worm gear box shell, the upper worm gear box shell is arranged at the upper end of the lower worm gear box shell, fixing bolts are screwed in the bolt assembling grooves, the upper worm gear box shell is sealed and fixed with the lower worm gear box shell through the fixing bolts, the worm gear box adopts a split type design, the worm gear box is divided into two parts, the upper worm gear box shell and the lower worm gear box shell are divided into an upper worm gear box shell and a lower worm gear box shell, the upper worm gear box shell and the lower worm gear box shell are formed in one step through a mold, corresponding worm gear grooves are directly pressed in the mold pressing process, the upper worm gear box shell and the lower worm gear box shell are combined, the worm grooves of the two worm gear box are formed into a cavity structure for assembling the worm and the worm, the convenience of manufacture and assembly is improved, and a large amount of materials are saved.

Description

Divide a formula signal worm gear head structure

Technical Field

The utility model relates to a split type signal worm gear head structure, belonging to the field of signal worm gear heads.

Background

The worm gear case on the existing signal worm gear is of an integrally formed structure, when the signal worm gear is manufactured, an assembly hole needs to be punched on one side of the worm gear case through a machine tool, then a cavity structure used for assembling the worm gear inside is punched through the assembly hole, and more materials are consumed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a part-separated signal worm gear head structure to solve the problem that a worm gear box on the existing signal worm gear head is of an integrally formed structure, and during manufacturing, an assembly hole needs to be punched on one side of the worm gear box through a machine tool, and then a cavity structure for assembling a worm gear and a worm inside is punched through the assembly hole, so that more materials are consumed.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a split type signal worm gear head structure comprises a worm gear display switch box, an upper worm gear box shell, a lower worm gear box shell and a worm, wherein the worm gear display switch box is arranged at the upper end of the upper worm gear box shell, bolt assembling grooves are formed in the peripheries of the outer walls of the upper worm gear box shell and the lower worm gear box shell, the upper worm gear box shell is arranged at the upper end of the lower worm gear box shell, fixing bolts are screwed in the bolt assembling grooves, the upper worm gear box shell is fixed with the lower worm gear box shell in a sealing mode through the fixing bolts, a first worm positioning groove and a first bearing groove are formed in the lower end of the right part of the upper worm gear box shell, a first worm gear groove is formed in the lower end of the middle part of the upper worm gear box shell, a positioning hole corresponding to the worm gear display switch box is formed in the center of the first worm gear groove, a plurality of assembling holes fixed with the bolts of the worm gear display switch box are formed in the peripheries of the first worm gear groove at intervals, a first ventilating bolt groove is formed in the lower end of the left part of the upper worm gear box shell, the upper end of the right part of the lower worm gear box shell is provided with a second worm positioning groove and a second bearing groove, the upper end of the middle part of the lower worm gear box shell is provided with a second worm groove, the center of the second worm groove is provided with a valve rod hole, the upper end of the left part of the lower worm gear box shell is provided with a second vent bolt groove, the first worm positioning groove and the second worm positioning groove are combined to form a worm cavity, the first bearing groove and the second bearing groove are combined to form a bearing cavity, the first worm groove and the second worm groove are combined to form a worm cavity, the first vent bolt groove and the second vent bolt groove are combined to form a vent bolt hole, the worm is rotatably matched with the worm cavity, a bearing for rotatably positioning the worm is arranged in the bearing cavity, a worm wheel meshed with the worm is rotatably arranged in the worm cavity, and a vent bolt is screwed on the vent bolt hole.

Furthermore, a bolt assembly groove of the upper worm gear box shell is provided with a first bolt hole corresponding to the fixing bolt.

Furthermore, a second bolt hole corresponding to the fixing bolt is formed in the bolt assembling groove of the lower worm gear box shell.

Further, the vent bolt holes are provided in two.

Furthermore, a display cover for displaying the opening and closing of the worm wheel is arranged in the center of the upper end face of the worm wheel display switch box.

Furthermore, the upper worm gear box shell and the lower worm gear box shell are formed in one step through a die.

The utility model has the beneficial effects that: the worm gear case adopts the design of piecemeal formula, is divided into two with the worm gear case, divide into worm gear case shell and lower worm gear case shell, through mould one shot forming's last worm gear case shell, lower worm gear case shell, directly in mould pressing process, presswork goes out corresponding worm gear groove, goes up worm gear case shell and lower worm gear case shell combination formula, and the cavity structure that is used for assembling worm wheel and worm is constituteed to worm gear groove between them, has still saved a large amount of materials when having improved the preparation assembly convenience.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a split signal worm gear head structure according to the present invention;

FIG. 2 is a schematic bottom view of the upper worm housing;

FIG. 3 is a schematic top view of the lower worm housing.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution of a split-type signal worm gear structure: the structure of the worm wheel display switch box comprises a worm wheel display switch box 1, an upper worm wheel box shell 2, a lower worm wheel box shell 3 and a worm 4, wherein the worm wheel display switch box 1 is arranged at the upper end of the upper worm wheel box shell 2, bolt assembling grooves 5 are formed in the peripheries of the outer walls of the upper worm wheel box shell 2 and the lower worm wheel box shell 3, the upper worm wheel box shell 2 is arranged at the upper end of the lower worm wheel box shell 3, fixing bolts 6 are screwed in the bolt assembling grooves 5, the upper worm wheel box shell 2 is hermetically fixed with the lower worm wheel box shell 3 through the fixing bolts 6, a first worm positioning groove 7 and a first bearing groove 8 are formed in the lower end of the right part of the upper worm wheel box shell 2, a first worm wheel groove 9 is formed in the lower end of the middle part of the upper worm wheel box shell 2, a positioning hole 10 corresponding to the worm wheel display switch box 1 is formed in the center of the first worm wheel groove 9, a plurality of assembling holes 11 fixed with the worm wheel display switch box 1 at intervals are formed in the peripheries of the first worm wheel groove 9, a first ventilating bolt groove 13 is arranged at the lower end of the left part of the upper worm gear box shell 2, a second worm positioning groove 14 and a second bearing groove 15 are arranged at the upper end of the right part of the lower worm gear box shell 3, a second worm groove 16 is arranged at the upper end of the middle part of the lower worm gear box shell 3, a valve rod hole 17 is arranged at the center of the second worm groove 16, a second ventilating bolt groove 18 is arranged at the upper end of the left part of the lower worm gear box shell 3, the first worm positioning groove 7 and the second worm positioning groove 14 are combined to form a worm cavity, the first bearing groove 8 and the second bearing groove 15 are combined to form a bearing cavity, the first worm groove 9 and the second worm groove 16 are combined to form a worm cavity, the first ventilating bolt groove 13 and the second ventilating bolt groove 18 are combined to form a ventilating bolt hole, the worm 4 is rotatably matched into the worm cavity, a bearing for rotatably positioning the worm 4 is arranged in the bearing cavity, a worm wheel meshed with the worm 4 is rotatably arranged in the bearing cavity, the upper worm wheel display switch box comprises an upper worm wheel display switch box 1 and a lower worm wheel display switch box 3, and is characterized in that vent bolts are screwed on the vent bolt holes, first bolt holes 12 corresponding to fixing bolts 6 are arranged on bolt assembling grooves 5 of the upper worm wheel box shell 2, second bolt holes 19 corresponding to fixing bolts 6 are arranged on bolt assembling grooves 5 of the lower worm wheel box shell 3, two vent bolt holes are arranged, a display cover for displaying opening and closing of a worm wheel is arranged in the center of the upper end face of the worm wheel display switch box 1, and the upper worm wheel box shell 2 and the lower worm wheel box shell 3 are formed in one step through a mold.

For example, the worm gear case adopts the design of branch piece formula, divide into worm gear case one into two, divide into worm gear case 2 and lower worm gear case 3, through mould one shot forming's last worm gear case 2, lower worm gear case 3, directly in mould pressing process, the suppression goes out corresponding worm gear groove, at last worm gear case 2 and the combination formula of lower worm gear case 3, worm gear groove between them constitution is used for assembling worm wheel and worm 4's cavity structures, still saved a large amount of materials when having improved the preparation assembly convenience.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a divide a formula signal worm gear structure which characterized in that: the structure of the worm wheel display switch box comprises a worm wheel display switch box (1), an upper worm wheel box shell (2), a lower worm wheel box shell (3) and a worm (4), wherein the worm wheel display switch box (1) is arranged at the upper end of the upper worm wheel box shell (2), bolt assembling grooves (5) are formed in the peripheries of the outer walls of the upper worm wheel box shell (2) and the lower worm wheel box shell (3), the upper worm wheel box shell (2) is arranged at the upper end of the lower worm wheel box shell (3), a fixing bolt (6) is screwed in the bolt assembling grooves (5), the upper worm wheel box shell (2) is hermetically fixed with the lower worm wheel box shell (3) through the fixing bolt (6), a first worm positioning groove (7) and a first bearing groove (8) are formed in the lower end of the right part of the upper worm wheel box shell (2), a first worm wheel groove (9) is formed in the lower end of the middle part of the upper worm wheel box shell (2), and a positioning hole (10) corresponding to the worm wheel display switch box (1) is formed in the center of the first worm wheel groove (9), a plurality of assembling holes (11) which are fixed with a worm wheel display switch box (1) through bolts are arranged at the periphery of the first worm wheel groove (9) at intervals, a first ventilating bolt groove (13) is arranged at the lower end of the left part of the upper worm wheel box shell (2), a second worm positioning groove (14) and a second bearing groove (15) are arranged at the upper end of the right part of the lower worm wheel box shell (3), a second worm groove (16) is arranged at the upper end of the middle part of the lower worm wheel box shell (3), a valve rod hole (17) is arranged in the center of the second worm groove (16), a second ventilating bolt groove (18) is arranged at the upper end of the left part of the lower worm wheel box shell (3), the first worm positioning groove (7) and the second worm positioning groove (14) are combined to form a worm cavity, the first bearing groove (8) and the second bearing groove (15) are combined to form a bearing cavity, and the first worm wheel groove (9) and the second worm positioning groove (16) are combined to form a worm wheel cavity, the first ventilating bolt groove (13) and the second ventilating bolt groove (18) are combined to form a ventilating bolt hole, the worm (4) is rotatably matched into a worm cavity, a bearing for rotatably positioning the worm (4) is arranged in the bearing cavity, a worm wheel meshed with the worm (4) is rotatably arranged in the worm wheel cavity, and a ventilating bolt is screwed on the ventilating bolt hole.

2. The split-signal worm-gear head structure of claim 1, wherein: and a first bolt hole (12) corresponding to the fixing bolt (6) is arranged on the bolt assembling groove (5) of the upper worm gear box shell (2).

3. The split-signal worm-gear head structure of claim 1, wherein: and a second bolt hole (19) corresponding to the fixing bolt (6) is arranged on the bolt assembling groove (5) of the lower worm gear box shell (3).

4. The split-signal worm-gear head structure of claim 1, wherein: the number of the vent bolt holes is two.

5. The split-signal worm-gear head structure of claim 1, wherein: the center of the upper end face of the worm wheel display switch box (1) is provided with a display cover for displaying the opening and closing of the worm wheel.

6. The split-signal worm-gear head structure of claim 1, wherein: the upper worm gear box shell (2) and the lower worm gear box shell (3) are formed in one step through a die.

Images