Combined type linear driving device based on worm gear transmission

Abstract

The invention relates to the field of mechanical transmission, and particularly discloses a combined type linear driving device based on a worm gear, a worm and a screw, the combined type linear driving device comprises the worm, one side of the worm is engaged with the worm gear, the worm gear is rigidly connected with a threaded sleeve, and the middle of the threaded sleeve is in threaded connection with the screw; through the combination of the worm, the worm gear, the threaded sleeve and the screw rod, the function of efficiently converting rotary motion into linear motion is achieved, the structure is compact, transmission is stable, the axial displacement of the screw rod can be accurately controlled, then a part connected with the screw rod is driven to stably move up and down, and the specific linear driving requirement is met; by providing multiple connection modes of the threaded sleeve and the worm wheel, including glue fixing, welding fixing, end face welding, end face glue bonding and end face bolt fixing, the device is more flexible to assemble, the most suitable connection mode can be selected according to specific application scenes and requirements, and the adaptability and reliability of the device are improved.

Description

Technical Field

[0001] The present invention belongs to the field of mechanical transmission, and more specifically, it is a compound linear drive device based on worm gear transmission. Background Art

[0002] A transmission mechanism refers to a device or system that transfers one form of power or motion to another. It is an essential part of mechanical equipment, responsible for transferring power from one part of the machine to another, enabling the machine or its components to move or operate.

[0003] In traditional technologies, the conversion from rotary motion to linear motion often requires complex transmission mechanisms, which are usually large in size, occupy a lot of space, and have low transmission efficiency. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a compound linear drive device based on worm gear transmission, so as to solve the problem that in the prior art, the conversion from rotary motion to linear motion often requires complex transmission mechanisms, which are usually large in size, occupy a lot of space, and have low transmission efficiency.

[0005] A compound linear drive device based on a worm, a worm gear, and a screw rod includes a worm. A worm gear is engaged with one side of the worm. A threaded sleeve is rigidly connected to the worm gear, and a screw rod is threadedly connected to the middle of the threaded sleeve.

[0006] Preferably, the threaded sleeve passes through the worm gear and is fixed by glue.

[0007] Preferably, the threaded sleeve passes through the worm gear and is fixed by welding.

[0008] Preferably, an end face is fixedly connected to the outer side of the threaded sleeve, and the end face is fixed to the outer side of the worm gear by welding.

[0009] Preferably, an end face is fixedly connected to the outer side of the threaded sleeve, and the end face is fixed to the outer side of the worm gear by glue.

[0010] Preferably, an end face is fixedly connected to the outer side of the threaded sleeve, and the end face is fixed to the outer side of the worm gear by bolts passing through.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] Through the combination of the worm, the worm gear, the threaded sleeve, and the screw rod, the function of efficiently converting rotary motion into linear motion is realized. The structure is compact and the transmission is stable. It can accurately control the axial displacement of the screw rod, and then drive the components connected to the screw rod to move stably up and down, meeting specific linear drive requirements;

[0013] By providing multiple connection methods between the threaded sleeve and the worm gear, including glue fixation, welding fixation, end-face welding, end-face glue bonding, and end-face bolt fixation, the assembly of the device becomes more flexible. The most suitable connection method can be selected according to specific application scenarios and requirements, improving the adaptability and reliability of the device. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the exploded structure of the present invention;

[0016] Figure 3 It is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0017] Figure 4 It is a schematic diagram of the structure of Embodiment 4 of the present invention;

[0018] Figure 5 It is a schematic diagram of the structure of Embodiment 6 of the present invention.

[0019] In the figure: 1, worm; 2, worm gear; 3, threaded sleeve; 4, screw; 5, end face. Detailed Embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As Figure 1 shown:

[0022] Embodiment 1: The present invention provides a compound linear drive device based on a worm gear, a worm, and a screw, including a worm 1. A worm gear 2 is meshed on one side of the worm 1. A threaded sleeve 3 is rigidly connected to the worm gear 2. A screw 4 is threadedly connected to the middle of the threaded sleeve 3.

[0023] As can be seen from the above, during operation, the worm 1 is rotated by a drive device. The rotation of the worm 1 drives the meshed worm gear 2 to rotate. Since the worm gear 2 is rigidly connected to the threaded sleeve 3, the rotation of the worm gear 2 will drive the threaded sleeve 3 to rotate synchronously. And the screw 4 is threadedly connected to the threaded sleeve 3. During the rotation of the threaded sleeve 3, the screw 4 will move linearly along the axis, thereby driving the components connected to the screw 4 to move up and down.

[0024] As Figure 2 shown:

[0025] Example 2: This example is basically the same as Example 1, except that the threaded sleeve 3 passes through the worm wheel 2 and is fixed by glue.

[0026] As can be seen from the above, the threaded sleeve 3 passes through the worm wheel 2 and is fixed by glue, so as to achieve the rigid connection between the worm wheel 2 and the threaded sleeve 3.

[0027] Example 3: This example is basically the same as Example 1, except that the threaded sleeve 3 passes through the worm wheel 2 and is fixed by welding.

[0028] As can be seen from the above, the threaded sleeve 3 passes through the worm wheel 2 and is fixed by welding, so as to achieve the firm connection between the worm wheel 2 and the threaded sleeve 3.

[0029] As Figure 4 shown:

[0030] Example 4: This example is basically the same as Example 1, except that an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by welding.

[0031] As can be seen from the above, an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by welding, thereby achieving the firm connection between the worm wheel 2 and the threaded sleeve 3.

[0032] Example 5: This example is basically the same as Example 1, except that an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by glue.

[0033] As can be seen from the above, an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by glue bonding, thereby achieving the firm connection between the worm wheel 2 and the threaded sleeve 3.

[0034] As Figure 5 shown:

[0035] Example 6: This example is basically the same as Example 1, except that an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by bolts passing through.

[0036] As can be seen from the above, an end face 5 is fixedly connected to the outside of the threaded sleeve 3, and the end face 5 is fixed to the outside of the worm wheel 2 by bolts passing through and fastening, thereby achieving the firm connection between the worm wheel 2 and the threaded sleeve 3.

[0037] All the standard parts used in the present invention can be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0038] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0039] In the present invention, unless otherwise clearly specified and defined, the terms such as "mounted", "connected", "connected to", "fixed" and the like should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0041] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0042] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved, and other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0043] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A compound linear drive device based on a worm gear, a worm and a screw rod, characterized in that It includes a worm (1), on one side of the worm (1) there is a meshing worm wheel (2), on the worm wheel (2) there is a rigidly connected threaded sleeve (3), and in the middle of the threaded sleeve (3) there is a screw rod (4) threadedly connected.

2. The compound linear driving device based on a worm gear, a worm and a screw rod according to claim 1, wherein The threaded sleeve (3) passes through the worm wheel (2) and is fixed by glue.

3. The compound linear drive device based on worm gear drive according to claim 1, wherein The threaded sleeve (3) passes through the worm wheel (2) and is fixed by welding.

4. The compound linear drive device based on worm gear drive according to claim 1, characterized in that On the outer side of the threaded sleeve (3) there is a fixedly connected end face (5), and the end face (5) is fixed to the outer side of the worm wheel (2) by welding.

5. The compound linear drive device based on worm gear drive according to claim 1, characterized in that, On the outer side of the threaded sleeve (3) there is a fixedly connected end face (5), and the end face (5) is fixed to the outer side of the worm wheel (2) by glue.

6. The compound linear drive device based on worm gear drive according to claim 1, characterized in that On the outer side of the threaded sleeve (3) there is a fixedly connected end face (5), and the end face (5) is fixed to the outer side of the worm wheel (2) by bolts passing through.

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