Half-tooth spline housing

Abstract

The utility model belongs to the technical field of spline housings, and particularly relates to a half-tooth spline housing which comprises a first sleeve, a second sleeve is installed over the first sleeve in an inserted mode, a plurality of synchronous teeth are arranged on the outer wall of the second sleeve, a first protrusion is arranged on the upper surface of the second sleeve, and a first sliding sleeve is arranged on the upper surface of the first protrusion. The threaded hole is formed in the circumferential side wall of the first sleeve, a second protrusion is arranged on the lower surface of the first sleeve, and a second sliding sleeve is arranged on the lower surface of the second protrusion; when the device is used for machining, the first sleeve and the second sleeve can be separately machined, and compared with a full-tooth spline sleeve, the device is simple in structure, low in machining difficulty, low in production cost, simple in structure, low in manufacturing difficulty, convenient and fast to install and convenient to maintain and replace splines in the later period.

Description

Technical Field

[0001] The utility model belongs to the technical field of spline sleeves, and particularly relates to a semi-tooth spline sleeve. Background Art

[0002] A spline shaft and a spline sleeve are a common connection method in mechanical transmission, which consists of two parts: a shaft and a sleeve. The spline shaft is a shaft with splines, and the spline sleeve is a sleeve with spline grooves. Among them, the spline is the protruding part on the shaft, and the spline groove is the groove part on the sleeve. The spline shaft and the spline sleeve achieve the transmission of driving force through the engagement of the spline and the spline groove.

[0003] The existing spline sleeves often adopt a full-tooth design to achieve the transmission of large driving force and torque. However, the full-tooth spline sleeves have the following problems in the production, installation and application processes: 1. The processing difficulty is extremely high. The full-tooth spline sleeves need to be processed by professional processing equipment, and the processing cost is relatively large; 2. The repair is relatively difficult. Under the condition of lacking processing equipment and tools, the repair is relatively difficult. Therefore, there is an urgent need to design a spline sleeve with low cost, simple processing and strong adaptability to meet different market demands. In view of this, we propose a semi-tooth spline sleeve. Content of the Utility Model

[0004] The purpose of the utility model is to provide a semi-tooth spline sleeve to solve the problems raised in the above background art.

[0005] In view of this, the utility model provides a semi-tooth spline sleeve, including:

[0006] A first sleeve, a second sleeve is inserted and installed directly above the first sleeve. A plurality of synchronous teeth are arranged on the outer wall of the second sleeve. A first protrusion is arranged on the upper surface of the second sleeve, and a first sliding sleeve is arranged on the upper surface of the first protrusion;

[0007] A threaded hole is opened on the circumferential side wall of the first sleeve. A second protrusion is arranged on the lower surface of the first sleeve, and a second sliding sleeve is arranged on the lower surface of the second protrusion.

[0008] In the above technical solution, further, the plurality of synchronous teeth are circumferentially and equally spaced.

[0009] In the above technical solution, further, the number of the synchronous teeth is 22. The range of the addendum circle radius of adjacent synchronous teeth is 6.70 - 6.80 mm, and the range of the dedendum circle radius of adjacent synchronous teeth is 5.94 - 6.04 mm.

[0010] In the above technical solution, further, the second sleeve is a hollow structure with an open bottom side. Slots are symmetrically opened in the second sleeve, and balls are installed to roll in the slots of the second sleeve.

[0011] In the above technical solution, further, a glue injection hole is formed in the circumferential side wall of the second sleeve, and a semi-circular annular groove is formed at the other end of the glue injection hole and located inside the second sleeve, and the glue injection hole is communicated with two slots on the inner wall of the second sleeve through the annular groove.

[0012] In the above technical solution, further, the first sleeve is a hollow structure with an open top, an embedding groove is formed on the upper surface of the first sleeve, a limiting protrusion is arranged on the lower surface of the second sleeve, the limiting protrusion is inserted and matched with the embedding groove, a threaded hole is formed in the circumferential side wall of the first sleeve, and the second sleeve is fixed to the first sleeve through a bolt.

[0013] In the above technical solution, further, the first sleeve, the second protrusion and the second sliding sleeve are integrally formed, and the second sleeve, the synchronous teeth, the first protrusion and the first sliding sleeve are integrally formed.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. For this semi-toothed spline sleeve, during the processing of the device, the first sleeve and the second sleeve can be separately processed. Compared with the full-toothed spline sleeve, the device has a simple structure, lower processing difficulty and lower production cost.

[0016] 2. For this semi-toothed spline sleeve, the device has a simple structure, low manufacturing difficulty and convenient installation, which is convenient for later maintenance and replacement of the spline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a sectional view of the first sleeve and the second sleeve of the present utility model in an assembled state;

[0019] Figure 3 is a first sectional view (front) of the second sleeve of the present utility model;

[0020] Figure 4 is a second sectional view (back) of the second sleeve of the present utility model;

[0021] Figure 5 is a sectional view of the first sleeve of the present utility model;

[0022] Figure 6 is a schematic diagram of the structure of the second sleeve of the present utility model in a top view state;

[0023] Figure 7 is a schematic diagram of the structure of the first sleeve of the present utility model in a bottom view state.

[0024] The marks in the figure are shown as:

[0025] 1. Sleeve 1; 2. Sleeve 2; 3. Synchronous gear; 4. Projection 1; 5. Sliding sleeve 1; 6. Projection 2; 7. Sliding sleeve 2; 8. Threaded hole; 9. Embedded groove; 10. Limit projection; 11. Glue filling hole. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the terms used here are only for describing specific implementation manners, rather than intending to limit the exemplary embodiments according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant fields may not be discussed in detail, but in appropriate cases, the said technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0028] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means that the associated objects before and after are in an "or" relationship.

[0029] It should be noted that in the description of this application, the orientation or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing this application and simplifying the description. Without contrary explanations, these directional terms do not indicate or imply that the devices or elements referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the protection scope of this application; the directional terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0030] It should be noted that in this application, the term "comprising", "including" or any other variants thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such a process, method, article or device. Without further limitations, the element defined by the statement "comprising one..." does not exclude the existence of additional identical elements in the process, method, article or device comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of this application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted or combined. Additionally, the features described with reference to certain examples may be combined in other examples.

[0031] Embodiment 1:

[0032] Please refer to Figure 1 - Figure 7 as shown, this embodiment provides a semi-toothed spline sleeve, including:

[0033] A first sleeve 1, a second sleeve 2 is inserted and installed directly above the first sleeve 1. A plurality of synchronizing teeth 3 are provided on the outer wall of the second sleeve 2. A first protrusion 4 is provided on the upper surface of the second sleeve 2. A first sliding sleeve 5 is provided on the upper surface of the first protrusion 4;

[0034] A threaded hole 8 is opened on the circumferential side wall of the first sleeve 1. A second protrusion 6 is provided on the lower surface of the first sleeve 1. A second sliding sleeve 7 is provided on the lower surface of the second protrusion 6.

[0035] Among them, both the first sliding sleeve 5 and the second sliding sleeve 7 are provided with circular grooves respectively communicating with the second sleeve 2 and the first sleeve 1. The spline is inserted into one end opening of the second sliding sleeve 7 and sequentially passes through the first sleeve 1, the second sleeve 2 and the first sliding sleeve 5. At this time, the spline forms a key connection with the spline sleeve formed by the first sleeve 1 and the second sleeve 2. The second sleeve 2 can be driven to transmit through multiple synchronous teeth 3 on the second sleeve 2, and then the first sleeve 1 and the spline located in the inner cavities of the first sleeve 1 and the second sleeve 2 are driven to rotate by the second sleeve 2.

[0036] The structure of this device is simple, the manufacturing difficulty is relatively low, and the installation is convenient, which is convenient for the later maintenance and replacement of the spline.

[0037] Embodiment 2:

[0038] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features that multiple synchronous teeth 3 are evenly distributed in a circumferential manner.

[0039] Among them, the transmission parts in the mechanical equipment can drive the spline sleeve formed by the first sleeve 1 and the second sleeve 2 to rotate at a constant speed through multiple synchronous teeth 3.

[0040] Embodiment 3:

[0041] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features that the number of synchronous teeth 3 is 22, the range of the addendum circle radius of adjacent synchronous teeth 3 is 6.70 - 6.80 mm, and the range of the dedendum circle radius of adjacent synchronous teeth 3 is 5.94 - 6.04 mm.

[0042] Among them, in this application, the synchronous teeth 3 on the spline sleeve are 22-tooth synchronous wheels, and the addendum circle radius of the synchronous teeth 3 is 6.75 mm, and the dedendum circle radius of the synchronous teeth 3 is 5.99 mm. In the actual production process, the total length of the first sleeve 1, the second protrusion 6 and the second sliding sleeve 7 is 25 mm, the inner diameter length of the second sliding sleeve 7 is 10 mm, the inner diameter width of the second sliding sleeve 7 is 5.10 mm, the outer diameter width of the second sliding sleeve 7 is 8 mm, the diameter of the second protrusion 6 is 10 mm, the outer diameter width of the first sleeve 1 is 13.50 mm, the inner diameter length of the first sleeve 1 is 13.00 mm, the outer diameter width and the inner diameter length of the second sleeve 2 are the same as those of the first sleeve 1, the diameter of the first protrusion 4 is the same as that of the second protrusion 6, and the model data of the first sliding sleeve 5 is the same as that of the second sliding sleeve 7.

[0043] Embodiment 4:

[0044] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features that the second sleeve 2 is a hollow structure with an opening at the bottom side, symmetrically provided with slots inside the second sleeve 2, and rolling balls are installed in the slots of the second sleeve 2.

[0045] Among them, during the actual assembly process, a limiting chute for accommodating ball bearings is provided on the side wall of the spline. For details, reference can be made to the prior art with the publication number CN220302561U and the patent title Self-lubricating linear ball spline. Compared with the prior art, in this application, a plurality of synchronous teeth 3 evenly distributed in a circumferential manner are provided on the circumferential outer wall of the second sleeve 2, so that the spline sleeve formed by the first sleeve 1 and the second sleeve 2 can be driven by the synchronous teeth 3 and the transmission parts in the mechanical equipment, solving the disadvantages that the spline sleeve in the prior art has a single function and is not convenient for driving with external transmission parts.

[0046] Example 5:

[0047] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features. A glue injection hole 11 is provided on the circumferential side wall of the second sleeve 2. The other end of the glue injection hole 11 and at the inner cavity position of the second sleeve 2, a semi-circular annular groove is provided. The glue injection hole 11 is communicated with two slots on the inner wall of the second sleeve 2 through the annular groove.

[0048] Among them, the first sleeve 1 and the second sleeve 2 are filled with glue through the glue injection hole 11.

[0049] Example 6:

[0050] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The first sleeve 1 is a structure with an open top and a hollow interior. An embedding groove 9 is provided on the upper surface of the first sleeve 1. A limiting protrusion 10 is provided on the lower surface of the second sleeve 2. The limiting protrusion 10 is in plug-in fit with the embedding groove 9. A threaded hole 8 is provided on the circumferential side wall of the first sleeve 1. The second sleeve 2 is fixed to the first sleeve 1 through a bolt.

[0051] Among them, after the second sleeve 2 and the first sleeve 1 are plugged and installed, the bolt is sent into the threaded hole 8, and then the bolt is screwed into the threaded hole 8 through tools such as a screwdriver, so that one end of the bolt abuts against the circumferential outer wall of the limiting protrusion 10 on the second sleeve 2, thereby realizing the rapid fixation of the first sleeve 1 and the second sleeve 2.

[0052] When this device is processed, the first sleeve 1 and the second sleeve 2 can be separately processed. Compared with the full-tooth spline sleeve, this device has a simple structure, lower processing difficulty, and lower production cost.

[0053] Example 7:

[0054] This embodiment provides a semi-tooth spline sleeve. In addition to including the technical solutions of the above embodiments, it also has the following technical features. The first sleeve 1, the second protrusion 6, and the second sliding sleeve 7 are integrally formed structures. The second sleeve 2, the synchronous teeth 3, the first protrusion 4, and the first sliding sleeve 5 are integrally formed structures.

[0055] Among them, through the integral molding structure, the structural strength of the device is higher and the performance is more stable.

[0056] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative rather than restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, all of which fall within the protection scope of the present application.

Claims

1. Half spline sleeve, characterized in that, Including: A first sleeve (1), a second sleeve (2) is inserted and installed directly above the first sleeve (1). A plurality of synchronous teeth (3) are arranged on the outer wall of the second sleeve (2). A first protrusion (4) is arranged on the upper surface of the second sleeve (2), and a first sliding sleeve (5) is arranged on the upper surface of the first protrusion (4). A threaded hole (8) is opened on the circumferential side wall of the first sleeve (1). A second protrusion (6) is arranged on the lower surface of the first sleeve (1), and a second sliding sleeve (7) is arranged on the lower surface of the second protrusion (6).

2. The semi-toothed spline sleeve according to claim 1, characterized in that, The plurality of synchronous teeth (3) are circumferentially and equidistantly distributed.

3. The semi-toothed spline sleeve according to claim 1, characterized in that, The number of the synchronous teeth (3) is 22. The range of the addendum circle radius of adjacent synchronous teeth (3) is 6.70 - 6.80 mm, and the range of the dedendum circle radius of adjacent synchronous teeth (3) is 5.94 - 6.04 mm.

4. The semi-toothed spline sleeve according to claim 1, characterized in that, The second sleeve (2) is a hollow structure with an open bottom side. Grooves are symmetrically opened in the second sleeve (2), and balls are installed to roll in the grooves of the second sleeve (2).

5. The semi-toothed spline sleeve according to claim 4, characterized in that A glue filling hole (11) is opened on the circumferential side wall of the second sleeve (2). The other end of the glue filling hole (11) and at the position of the inner cavity of the second sleeve (2) is provided with a semi-circular annular groove. The glue filling hole (11) is communicated with the two grooves on the inner wall of the second sleeve (2) through the annular groove.

6. The semi-toothed spline sleeve according to claim 1, characterized in that, The first sleeve (1) is a hollow structure with an open top. An embedding groove (9) is opened on the upper surface of the first sleeve (1). A limiting protrusion (10) is arranged on the lower surface of the second sleeve (2). The limiting protrusion (10) is inserted and matched with the embedding groove (9). A threaded hole (8) is opened on the circumferential side wall of the first sleeve (1). The second sleeve (2) is fixed to the first sleeve (1) by bolts.

7. The semi-toothed spline sleeve according to claim 1, characterized in that, The first sleeve (1), the second protrusion (6) and the second sliding sleeve (7) are integrally formed structures. The second sleeve (2), the synchronous teeth (3), the first protrusion (4) and the first sliding sleeve (5) are integrally formed structures.

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