Adapter sleeve structure for hand-held electric wire threading machine

Abstract

The application discloses an adapter sleeve structure of a handheld electric wire threading machine, which comprises an adapter sleeve and an adapter cover. A plurality of limiting blocks are arranged on the outer periphery of the bottom of the adapter sleeve. A limiting portion matched with the limiting blocks is arranged on the adapter cover. The limiting portion can form a containing cavity with the adapter cover, and at least a part of the limiting blocks can enter the containing cavity. At least one first limiting block is included in the plurality of limiting blocks. An elastic component is arranged between one side of the first limiting block and one side of the limiting portion. The elastic component can drive the adapter sleeve to rotate relative to the adapter cover in one direction. A detachable or movable limiting device is arranged on one of the limiting blocks. The limiting device can prevent the limiting block from completely leaving the range of the containing cavity.

Description

Technical Field

[0001] This application relates to the field of threading machine technology, and in particular to the adapter sleeve structure of a handheld electric threading machine. Background Technology

[0002] Current handheld threading machines need to prevent the axial force generated during the threading process from affecting the die head and causing it to loosen from the gearbox body. This is usually achieved by using spring rings to lock the die head. However, installing or removing the die head requires considerable force or the use of tools to assist in the disassembly and assembly.

[0003] Based on this, as proposed in CN215787260U, there is an adapter sleeve mechanism for a handheld electric threading machine, which uses a pressure plate to detachably connect the adapter sleeve and the adapter cover. However, in order to connect the adapter sleeve and the adapter cover, a large number of screws are used to fix the pressure plate, which increases the time cost of maintenance and installation. Therefore, how to solve the above problems is the purpose of this application.

[0004] The above content is only used to help understand the technical solution of this application and does not represent an admission that the above content is the closest prior art to this application. Summary of the Invention

[0005] Based on this, this application provides an adapter sleeve structure for a handheld electric threading machine to solve one of the aforementioned technical problems.

[0006] The technical solution adopted by this application to solve its technical problem is an adapter sleeve structure for a handheld electric threading machine, including: an adapter sleeve and an adapter cover. A plurality of limiting blocks are provided on the outer periphery of the bottom of the adapter sleeve. A limiting part that cooperates with the limiting blocks is provided on the adapter cover. The limiting part can form a receiving cavity with the adapter cover. At least a portion of the limiting block can enter the receiving cavity. At least one of the plurality of limiting blocks includes a first limiting block. An elastic member is provided between one side of the first limiting block and one side of the limiting part. The elastic member can drive the adapter sleeve to rotate in one direction relative to the adapter cover. One of the limiting blocks is provided with a detachable or movable limiting device. The limiting device can prevent the limiting block from completely leaving the receiving cavity.

[0007] In some embodiments, the limiting portion has an approximately L-shaped profile and has a top wall and side walls.

[0008] In some embodiments, there is a gap between the top wall and the adapter cover, forming an opening through which the limiting block can enter the receiving cavity.

[0009] In some embodiments, the adapter cover has a limiting groove below the limiting device, and at least a portion of the limiting device can extend out from the bottom of the limiting block and slide within the limiting groove.

[0010] In some embodiments, the limiting device uses any one of the following: a pin, a screw, a cam, or a spring pin, to pass through the limiting block and engage with the limiting groove.

[0011] In some embodiments, the elastic component is either a spring or a tension spring.

[0012] In some embodiments, a pressure plate is formed on the outer periphery of the adapter sleeve above the elastic member.

[0013] In some embodiments, a groove can be formed between the pressure plate and the adapter cover, and the limiting part can slide within the groove.

[0014] In some embodiments, the adapter sleeve and the adapter cover are respectively provided with a first adapter sleeve hole and a second adapter sleeve hole that cooperate with each other at their center positions. The two can be rotated to enter different states by offsetting them. The inner contour of the first adapter sleeve hole is a regular polygon, and the inner contour of the second adapter sleeve hole is a polygon with a rounded transition. The number of sides of the first adapter sleeve hole and the second adapter sleeve hole polygons are equal.

[0015] In some embodiments, the adapter cover has an observation hole at the bottom of the limiting portion.

[0016] The beneficial effects of this application are as follows: By inserting the limiting block into the receiving cavity, the limiting block can be restricted by the limiting part, so that there is no axial movement between the adapter sleeve and the adapter cover. The top wall of the limiting part can act as a pressure plate. At the same time, in order to prevent the limiting block from completely falling out of the receiving cavity and causing the limiting effect of the limiting part to disappear, the limiting device can limit the maximum range of motion of the limiting block after installation. Moreover, only one limiting device needs to be installed to achieve the maximum effect, which effectively reduces the installation difficulty and time. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural diagram of this application.

[0019] Figure 2 This is an exploded structural diagram of the first embodiment of this application.

[0020] Figure 3 This is a schematic diagram of the exploded structure of the second embodiment of this application.

[0021] Figure 4 This is a cross-sectional structural diagram of this application.

[0022] Figure 5 This is a schematic diagram of the sliding groove structure of this application.

[0023] Figure 6 This is a schematic diagram of the die head installation in this application.

[0024] Figure 7 This is a schematic diagram showing the first and second adapter sleeve holes of this application in the state of being released from their limiting positions.

[0025] Figure 8 This is a schematic diagram of the limiting state of the first adapter sleeve hole and the second adapter sleeve hole in this application.

[0026] Explanation of reference numerals in the attached drawings: 1. Adapter sleeve; 11. Limiting block; 111. First limiting block; 112. Limiting device; 12. Pressure plate; 13. First adapter sleeve hole; 2. Adapter cover; 21. Limiting part; 211. Top wall; 212. Side wall; 22. Receiving cavity; 23. Limiting groove; 24. Second adapter sleeve hole; 25. Observation hole; 3. Elastic component; 4. Tooth head; 41. Connecting post; 411. Groove. Detailed Implementation

[0027] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application. In addition, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those of ordinary skill in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection of this application.

[0028] In the embodiments of this application, please refer to Figure 1-5As shown, this application provides an adapter sleeve structure for a handheld electric threading machine, mainly including: an adapter sleeve 1 and an adapter cover 2. The outer periphery of the bottom of the adapter sleeve 1 is provided with a plurality of limiting blocks 11. The adapter cover 2 is provided with a limiting part 21 that cooperates with the limiting blocks 11. The limiting part 21 can form a receiving cavity 22 with the adapter cover 2. At least a portion of the limiting blocks 11 can enter the receiving cavity 22. At least one of the plurality of limiting blocks 11 includes a first limiting block 111. An elastic member 3 is provided between one side of the first limiting block 111 and one side of the limiting part 21. The elastic member 3 can drive the adapter sleeve 1 to rotate in one direction relative to the adapter cover 2. One of the limiting blocks 11 is provided with a detachable or movable limiting device 112. The limiting device 112 can prevent the limiting block 11 from completely falling out of the receiving cavity 22.

[0029] Specifically, in this application, when the limiting device 112 is not fixed, the adapter sleeve 1 can be placed on the adapter cover 2. At this time, the limiting block 11 is located between the two limiting parts 21 and can be separated from the adapter cover 2 at any time. By rotating the adapter sleeve 1, the limiting block 11 enters the receiving cavity 22 of the limiting part 21. The limiting block 11 will be restricted by the limiting part 21 and can only rotate. At this time, by activating or installing the limiting device 112, the limiting device 112 can limit the maximum movement distance of the limiting block 11, so that the limiting block 11 cannot leave the range of the receiving cavity 22. Only a single limiting device 112 is needed to achieve the fixing effect, and the structure is very simple and easy to maintain and assemble.

[0030] The following will continue to describe some preferred / improved embodiments based on the above embodiments. Any one of the following embodiments can be selected, or multiple embodiments can be combined.

[0031] Reference Figure 5 As shown, the limiting part 21 has an approximately L-shaped outline and has a top wall 211 and a side wall 212. The top wall 211 can be used to limit the adapter sleeve 1 so that it does not move radially.

[0032] In some embodiments, there is a gap between the top wall 211 and the adapter cover 2, forming an opening, through which the limiting block 11 can enter the receiving cavity 22.

[0033] In some embodiments, the adapter cover 2 has a limiting groove 23 below the limiting device 112, and at least a portion of the limiting device 112 can extend out from the bottom of the limiting block 11 and slide within the limiting groove 23. In some embodiments, the limiting device 112 uses any one of a pin, screw, cam, or spring pin to pass through the limiting block 11 and engage with the limiting groove 23. Specifically, pins and screws are detachable, while cams and spring pins are movable. Limiting methods such as screws can be partially disassembled, for example, by rotating the screw so that a portion of its protruding bottom returns to the limiting block 11.

[0034] For illustrative purposes, the above embodiments only list some common mating methods, but those skilled in the art should know that the limiting device 112 only needs to be able to mate with or dismate with the limiting groove 23, and its form can be diverse.

[0035] Reference Figure 2 and 3 As shown, the elastic component 3 is either a spring or a tension spring.

[0036] Using a spring: The spring can abut against one side of the side wall 212 and the limiting block 11. Spring posts can also be provided on the side wall 212 and the limiting block 11 to connect the spring.

[0037] Using a tension spring: The tension spring is connected between the limiting block 11 and the top wall 211 of the limiting part 21, and the limiting block 11 and the top wall 211 can be provided with pull rings for connecting the tension spring.

[0038] Preferably, a pressure plate 12 is formed on the outer periphery of the adapter sleeve 1 above the elastic member 3. The pressure plate 12 can press down the elastic member 3, preventing it from arching up from the side of the adapter sleeve 1 and leaving its range.

[0039] Furthermore, in order to prevent the pressure plate 12 from interfering with the limiting part 21, a sliding groove can be formed between the pressure plate 12 and the adapter cover 2, and the limiting part 21 can slide within the sliding groove.

[0040] For illustration, the adapter sleeve 1 and the adapter cover 2 are respectively provided with a first adapter sleeve hole 13 and a second adapter sleeve hole 24 at their center positions. They can be rotated to enter different states. The inner contour of the first adapter sleeve hole 13 is a regular polygon, and the inner contour of the second adapter sleeve hole 24 is a polygon with a rounded transition. The number of sides of the first adapter sleeve hole 13 and the second adapter sleeve hole 24 are equal. The adapter process between the first adapter sleeve hole 13 and the second adapter sleeve hole 24 is as follows: Figure 7 and 8As shown, the die head 4 has a first adapter hole 13 and a second adapter hole 24 that can limit and release the limiting position. The polygons of the first adapter hole 13 and the second adapter hole 24 coincide or are misaligned. The die head 4, which needs to pass through the first adapter hole 13 and the second adapter hole 24 to mate with it, is as follows: Figure 6 As shown, it has a polygonal connecting post 41 that mates with the first adapter sleeve hole 13, and a groove 411 is provided at the root of the connecting part. Under normal conditions, the first adapter sleeve hole 13 and the second adapter sleeve hole 24 are always in contact under the action of the elastic member 3. Figure 8 The limiting state is achieved by rotating the adapter sleeve 1 or the adapter cover 2 to make them rotate relative to each other. Figure 7 When the limit is released, the connecting post 41 can pass smoothly. When the adapter cover 2 reaches the root position of the connecting post 41, the adapter sleeve 1 or the adapter cover 2 is released. Under the action of the elastic component 3, the adapter cover 2 is reset, and the inner edge of the second adapter sleeve hole 24 is inserted into the groove 411, preventing it from moving axially, thus completing the limit installation.

[0041] Specifically, the adapter cover 2 has an observation hole 25 at the bottom of the limiting part 21. The observation hole 25 allows the user to observe the current state of the adapter cover 2 and the adapter sleeve 1 from the bottom of the adapter cover 2, preventing problems from occurring in the internal structure of the adapter sleeve 1 and the adapter cover 2 due to erroneous operation without the user's knowledge.

[0042] The various embodiments of this application have now been described in detail. To avoid obscuring the concept of this application, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of this application. The foregoing embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A connector structure for a handheld electric threading machine, comprising a connector and a connector cover, characterized in that, The outer periphery of the bottom of the adapter sleeve is provided with a plurality of limiting blocks, and the adapter cover is provided with a limiting part that cooperates with the limiting blocks. The limiting part can form a receiving cavity with the adapter cover, and at least a portion of the limiting block can enter the receiving cavity. At least one first limiting block is included among the plurality of limiting blocks. An elastic member is provided between one side of the first limiting block and one side of the limiting part. The elastic member can drive the adapter sleeve to rotate in one direction relative to the adapter cover. A detachable or movable limiting device is provided on one of the limiting blocks. The limiting device can prevent the limiting block from completely leaving the receiving cavity.

2. The adapter sleeve structure of the handheld electric threading machine according to claim 1, characterized in that, The limiting part has an approximate L-shaped outline and has a top wall and side walls.

3. The adapter sleeve structure of the handheld electric threading machine according to claim 2, characterized in that, There is a gap between the top wall and the adapter cover, forming an opening, through which the limiting block can enter the receiving cavity.

4. The adapter sleeve structure of the handheld electric threading machine according to claim 2, characterized in that, The adapter cover has a limiting groove below the limiting device, and at least a portion of the limiting device can extend out from the bottom of the limiting block and slide within the limiting groove.

5. The adapter sleeve structure of the handheld electric threading machine according to claim 4, characterized in that, The limiting device uses any one of the following: a pin, a screw, a cam, or a spring pin, to pass through the limiting block and engage with the limiting groove.

6. The adapter sleeve structure of the handheld electric threading machine according to claim 1, characterized in that, The elastic component is either a spring or a tension spring.

7. The adapter sleeve structure of the handheld electric threading machine according to claim 6, characterized in that, A pressure plate is formed on the outer periphery of the adapter sleeve above the elastic member.

8. The adapter sleeve structure of the handheld electric threading machine according to claim 7, characterized in that, A groove can be formed between the pressure plate and the adapter cover, and the limiting part can slide within the groove.

9. The adapter sleeve structure of the handheld electric threading machine according to claim 1, characterized in that, The adapter sleeve and the adapter cover are respectively provided with a first adapter sleeve hole and a second adapter sleeve hole at their center positions. The two can be rotated to enter different states. The inner contour of the first adapter sleeve hole is a regular polygon, and the inner contour of the second adapter sleeve hole is a polygon with a rounded transition. The number of sides of the first adapter sleeve hole and the second adapter sleeve hole are equal.

10. The adapter sleeve structure of the handheld electric threading machine according to claim 1, characterized in that, The adapter cover has an observation hole at the bottom of the limiting part.

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