Picking tool for picking cap part

Abstract

The utility model discloses and provides a picking tool for picking cap parts, which comprises a handle, a plurality of connecting rods and a plurality of connecting rods, and is characterized in that the handle is hollow, and an internal space formed by the hollow can accommodate a plurality of cap parts which are stacked up and down; the claw part is arranged at the tail end of the lower part of the handle and is used for grabbing a cap part; the fastening part is used for fastening the claw part on the handle through the fastening part; wherein the claw portion includes an extension portion and a hooking portion configured to hook a cap part, the extension portion extends downward from an upper end portion of the claw portion to a lower end portion of the claw portion, and the hooking portion extends inward and upward from the lower end portion of the claw portion; and wherein at least one of the extension portion and the hooking portion is resilient. Even under the condition that the operation space is narrow and deep, the picking tool can at least easily pick the cap parts in batches.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of mechanical manufacturing. In particular, the present disclosure relates to a picking tool for picking a cap part, and more particularly, the present disclosure relates to a picking tool capable of easily and batch picking a cap part in a narrow and deep operation space. BACKGROUND

[0002] In some industrial production, it is sometimes necessary to pick a part (for example, a cap part, such as shown in FIG. 1). In the past, an operator picks the part by hand or using a general-purpose clamping tool (for example, a needle-nose pliers). Figure 1

[0003] No matter whether it is picked by hand or using a general-purpose clamping tool, a large operation space is required. Moreover, the picked part must be put down before picking the next part, and it is impossible to efficiently pick multiple parts in batch. However, in some actual industrial production, the operation space for picking some parts is narrow, and it is impossible to accommodate the hand or the general-purpose clamping tool of the operator. In some cases, the size of the part to be picked is small, and it is not easy to operate by hand or using a general-purpose clamping tool. In some cases, the operation space for picking the part is not only narrow, but also deep. In some cases, a large number of parts need to be picked. For example, in the process of automobile production, some cap parts are installed before assembling the high-voltage wire harness and the cooler part, and these cap parts are mainly used for protection. Before assembling the high-voltage wire harness and the cooler part, these cap parts need to be picked. Such cap parts are small in size, and the operation space for picking the cap parts is narrow. In some cases, the cap parts are deep in the overall part. In some cases, the number of cap parts to be picked is large.

[0004] In these cases, it is difficult to pick the cap parts by hand or using a general-purpose clamping tool, and it is impossible to efficiently pick the cap parts in batch.

[0005] Therefore, in the production practice, for example, in the case of a narrow and deep operation space, there is a need for a picking tool for picking a cap part, which is capable of easily and batch picking the cap part at least in such a case. SUMMARY

[0006] One of the purposes of the present disclosure is to provide a picking tool for picking a cap part, which is capable of at least solving one of the above-mentioned technical problems (for example, capable of easily and batch picking a cap part in a narrow and deep operation space) or achieving other additional advantages.

[0007] ​In some embodiments, a picking tool for picking hat parts is provided, the picking tool comprising: a handle configured to be hollow, the hollow forming an interior space capable of accommodating a plurality of hat parts stacked one on top of another; a claw portion provided at a lower end of the handle for grabbing a hat part; a fastening portion by which the claw portion is fastened to the handle; wherein the claw portion comprises an extension portion extending downwardly from an upper end of the claw portion to a lower end of the claw portion, and a hooking portion configured to hook a hat part, the hooking portion extending inwardly and upwardly from the lower end of the claw portion; and wherein at least one of the extension portion and the hooking portion is resilient.

[0008] In some embodiments, an opening is provided at an upper portion of the handle, the opening being sized and shaped to enable the hat part to pass through the opening.

[0009] In some embodiments, the handle comprises a stepped-in portion, a length of the handle below the stepped-in portion being configured to accommodate a depth of the hat part in an operating space, a width of the handle below the stepped-in portion being less than a width of the operating space in which the hat part is picked, and a diameter of the handle above the stepped-in portion being greater than the width of the operating space.

[0010] In some embodiments, the handle is configured to be transparent.

[0011] In some embodiments, the fastening portion comprises a circumferentially closed annular sheet configured to enable an upper end of the claw portion to be inserted between the fastening portion and the handle and the annular sheet to grip the upper end of the claw portion to fasten the claw portion and the handle together.

[0012] In some embodiments, the fastening portion comprises an annular sheet having an opening in a circumferential direction, the upper end of the claw portion being configured to be inserted between the fastening portion and the handle, and an operator being able to tighten the fastening portion at the opening of the fastening portion to increase a gripping force exerted by the fastening portion on the claw portion and the handle to securely fix the claw portion.

[0013] In some embodiments, an inner surface of the fastening portion is configured with a concave-convex texture.

[0014] In some embodiments, the fastening portion comprises a screw, an upper portion of the claw portion is configured with a through hole, and a threaded hole is configured on an outer peripheral surface of a lower end of the handle, the picking tool being configured such that the screw passes through the through hole of the claw portion and cooperates with the threaded hole of the handle to fasten the claw portion to the handle.

[0015] In some embodiments, the hooking portion comprises a clamping portion and a sliding guide surface, an uppermost edge of the hooking portion is configured as the clamping portion, and a surface of the hooking portion facing away from the extending portion forms the sliding guide surface.

[0016] In some embodiments, the picking tool is configured to be adjustable in diameter, the handle comprises a plurality of longitudinal structural portions configured to extend along a longitudinal direction and a plurality of circumferential connecting portions configured to extend along a circumferential direction, and adjacent longitudinal structural portions are configured to be connected by the circumferential connecting portions.

[0017] In some embodiments, the longitudinal structural portions are configured to have holes extending along the circumferential direction, and the holes of adjacent longitudinal structural portions are oppositely arranged, and the circumferential connecting portions are configured to be inserted into the holes of the longitudinal structural portions.

[0018] In some embodiments, the holes of the longitudinal structural portions have a diameter slightly smaller than that of the circumferential connecting portions.

[0019] In some embodiments, the circumferential connecting portions are configured to have a plurality of protrusions distributed along the extending direction of the circumferential connecting portions, and the inner surfaces of the holes of the longitudinal structural portions are configured to have a plurality of recesses matching the shapes of the protrusions.

[0020] In some embodiments, the picking tool further comprises a diameter adjusting accessory, the diameter adjusting accessory comprises a diameter reducing accessory and a diameter increasing accessory, wherein the diameter reducing accessory comprises a through hole having an inner diameter equal to a target outer diameter of the picking tool, and the outer surfaces of the longitudinal structural portions are configured to have protrusions distributed along the longitudinal direction, and the protrusions of the outer surfaces of all the longitudinal structural portions are distributed in a spiral shape as a whole to form an outer thread of the handle; the diameter increasing accessory is cylindrical, and the outer circumferential surface thereof has an outer thread, the outer diameter of the diameter increasing accessory is configured to be equal to a target inner diameter of the picking tool, and the inner surfaces of the longitudinal structural portions are configured to have protrusions distributed along the longitudinal direction, and the protrusions of the inner surfaces of all the longitudinal structural portions are distributed in a spiral shape as a whole to form an inner thread of the handle.

[0021] In some embodiments, the outer circumferential surface of the diameter increasing accessory has an outer diameter tapering towards one end thereof, and the through hole of the diameter reducing accessory has an inner diameter expanding towards one end thereof.

[0022] Even in the case of narrow and deep operation space, the picking tool of the present application can at least easily and in batches pick the cap parts.

[0023] Other features and advantages of the subject matter of this disclosure will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the subject matter of this disclosure. The advantages of the subject matter of this disclosure will be realized and obtained through the structures particularly pointed out in the written description, its claims, and the accompanying drawings.

[0024] It should also be noted that aspects of this disclosure described with respect to one embodiment can be included in other different embodiments, although these other different embodiments are not specifically described. In other words, features of all embodiments and / or any embodiments can be combined in any manner and / or combination, as long as they do not contradict each other. Attached Figure Description

[0025] Many aspects of this disclosure will be better understood after reading the following detailed description in conjunction with the accompanying drawings, in which:

[0026] Figure 1 This is an example of a cap part removed using a removal tool according to this disclosure;

[0027] Figure 2 yes Figure 1 The top view of the cap part shown when it is installed in the overall component;

[0028] Figure 3 This is a perspective view of an extraction tool according to one embodiment of the present disclosure;

[0029] Figure 4 yes Figure 3 The side view of the removal tool shown includes the cap part;

[0030] Figure 5 Multiple cap parts are shown stacked in the internal space of the handle of a picking tool according to one embodiment of the present disclosure;

[0031] Figure 6 This is a perspective view of the claw of a picking tool according to one embodiment of the present disclosure;

[0032] Figure 7 This is a side view of the claw of a picking tool according to another embodiment of the present disclosure;

[0033] Figure 8 Showing the use Figure 3 The side sectional view of the cap removal tool shown.

[0034] Figure 9 The handle of a picking tool according to one embodiment of the present disclosure is shown;

[0035] Figure 10 Show Figure 9An internal structure diagram of the handle shown;

[0036] Figure 11 is Figure 10 a partial enlarged view showing the connection structure of the longitudinal structure part and the circumferential connection part.

[0037] It should be understood that, in all the drawings, the same reference numerals indicate the same or similar elements. In the drawings, the dimensions of certain features can be changed for the sake of clarity and not drawn to scale. DETAILED DESCRIPTION

[0038] The present disclosure will be described with reference to the accompanying drawings, which show several embodiments of the present disclosure. It is to be understood that the present disclosure can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; in fact, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the scope of the present disclosure to those skilled in the art. It should also be understood that the embodiments disclosed herein can be combined in a variety of ways, thereby providing more additional embodiments.

[0039] It should be understood that the language used in the specification is only used to describe particular embodiments and is not intended to limit the present disclosure. Unless otherwise defined, all terms (including technical and scientific terms) used in the specification have meanings commonly understood by those skilled in the art. Well-known functions or constructions can not be described in detail for the sake of brevity and / or clarity.

[0040] As used in the specification, the singular forms "a," "an," and "the" include plural references unless the context clearly dictates otherwise. As used in the specification, the terms "comprises," "comprising," and "including" mean that the stated features are included, but not that one or more features are excluded. As used in the specification, the term "and / or" includes any and all combinations of one or more of the associated listed items. As used in the specification, the terms "between" and "between about" shall be construed to include the endpoints. As used in the specification, the term "between about X and Y" means "between about X and about Y," and the term "from about X to Y" means "from about X to about Y."

[0041] In the description, when an element is referred to as being "on", "attached", "connected", "coupled", or "contacted" to another element, it can be directly on, attached, connected, coupled, or contacted to the other element, or intervening elements can be present. In contrast, when an element is referred to as being "directly on", "directly attached", "directly connected", "directly coupled", or "directly contacted" to another element, there are no intervening elements present. In the description, an arrangement of one feature relative to another feature "adjacent" can mean that the one feature has a portion that overlaps the adjacent feature or a portion that is above or below the adjacent feature.

[0042] In the description, spatial terms such as "upper", "lower", "left", "right", "front", "back", "high", "low", etc. can be used to describe a relationship of one feature to another feature in the drawings. It will be understood that the spatial terms encompass different orientations of the device in use or operation in addition to the orientations depicted in the drawings. For example, if the device is turned over, then a feature that is described as "below" another feature would now be described as "above" the other feature. The device can be oriented in other ways (rotated 90 degrees or at other orientations) and the relative spatial terms will be interpreted accordingly.

[0043] In the description, spatial terms such as "inward", "inwardly", etc. refer to a direction toward the central axis of the picking tool.

[0044] The utility model provides a kind of picking tool for picking cap part 9.According to Figure 1 As shown, cap part 9 includes a brim portion 92 and a crown portion 91.The brim portion 92 is positioned above the crown portion 91 and projects a certain distance in a radial direction from an outer peripheral surface of the crown portion 91, thereby forming a flange.A fillet 93 is formed at the transition between the brim portion 92 and the crown portion 91.

[0045] The picking tool provided by the utility model can also be used to pick other parts, as long as the part has a flange that can be hooked, such as a bolt, etc.

[0046] In the case of narrow and deep operation space, the picking tool of the utility model can easily and in bulk pick cap parts.For example, referring to Figure 2 and Figure 8 The operation space for picking cap part 9 can be narrow and deep, and therefore it is not easy to operate by hand or with a general-purpose clamping tool.However, using the picking tool of the utility model can easily and in bulk pick cap part 9.The specific structure of the picking tool of the utility model will be described in detail below with reference to the drawings.

[0047] In some embodiments, as shown in Figure 3 The picking tool for picking the cap parts can include a handle 1, a fastening portion 2, and a claw portion 3. The claw portion 3 can be provided at a lower end of the handle 1, and the claw portion 3 is fastened to the handle 1 by the fastening portion 2. In some embodiments, the picking tool can also include only the claw portion 3 and the handle 1 without the fastening portion 2. The claw portion 3 can be integrally formed with the handle 1, for example, using a 3D printing technique.

[0048] In some embodiments, as shown in Figure 5 The handle 1 can be elongated and cylindrical. In some embodiments, the handle 1 can be configured to be hollow, and the hollowed interior space can accommodate a plurality of cap parts 9. The cap parts 9 can be accommodated in the interior space of the handle 1 in a stacked manner.

[0049] In some embodiments, as shown in Figure 3 and Figure 4 An opening 12 can be provided at an upper portion of the handle 1, and the opening can be sized and shaped to allow the cap parts 9 to pass therethrough, thereby allowing the operator to take out the picked cap parts 9 from the interior space of the handle 1 in bulk through the opening 12.

[0050] In some embodiments, at least a portion of the handle 1 can be extended into the operating space to grasp the cap parts 9 therein. In some embodiments, as shown in Figure 3 and Figure 4 The handle 1 includes a stepped-in portion 11. A length of the handle 1 below the stepped-in portion 11 can be configured to accommodate a depth of the cap parts 9 in the operating space. The handle 1 can be configured to have a diameter smaller than a width of the operating space below the stepped-in portion 11, so as to be extendable into the operating space. In some embodiments, the handle 1 can have a diameter larger than the width of the operating space above the stepped-in portion 11, so as to avoid inserting the picking tool too deep into the operating space. In some embodiments, the handle 1 can be configured to be telescopic, for example, the handle 1 can include a first section and a second section that are telescopically movable relative to each other, so that a length of a portion of the handle 1 that is extendable into the operating space can be adjusted for operating spaces of different depths, which increases the versatility of the picking tool.

[0051] In some embodiments, the handle 1 can be made of nylon. In other embodiments, the handle 1 can be made of a transparent material to facilitate observing whether the interior space of the handle 1 is full. It is noted that any suitable material can be used to make the handle 1, and the above examples are not limiting.

[0052] In some embodiments, as shown in Figure 3 andFigure 4 As shown, the fastening part 2 may include a circumferentially closed annular sheet. The annular sheet is configured such that the upper end of the claw 3 can be inserted between the fastening part 2 and the handle 1 and can clamp the upper end of the claw 3 to fasten the claw 3 and the handle 1 together.

[0053] In some embodiments, the fastening part 2 may include an annular sheet (not shown) with a circumferential opening. The upper end of the claw part 3 may be inserted between the fastening part 2 and the handle 1. The operator can tighten the fastening part 2 at the opening to increase the clamping force exerted by the fastening part 2 on the claw part 3 and the handle 1, thereby securely fixing the claw part 3.

[0054] In some embodiments, the inner surface of the fastening part 2 may be textured to increase the clamping force of the fastening claw part 3 and the handle 1.

[0055] In some embodiments, the fastening part 2 may include a screw. A through hole may be provided above the claw part 3. A threaded hole may be provided on the outer peripheral surface of the lower end of the handle 1. The screw passes through the through hole of the claw part 3 and is then screwed into the threaded hole of the handle 1, thereby fastening the claw part 3 to the handle 1.

[0056] In some implementations, such as Figure 6 As shown, the claw portion 3 may include an extension portion 31 and a hook portion 32. The extension portion 31 extends downward from the upper end of the claw portion 3 to the lower end of the claw portion 3. The hook portion 32 extends inward and upward at an angle from the lower end of the claw portion 3. A bend portion 33 transitions between the extension portion 31 and the hook portion 32. The hook portion 32 may include a holding portion 321 and a sliding guide surface 322. The uppermost edge of the hook portion 32 forms the holding portion 321, and the surface of the hook portion 32 facing away from the extension portion 31 forms the sliding guide surface 322. The sliding guide surface 322 helps guide the claw portion 3 to slide below the brim portion 92 of the cap element 9. In some embodiments, the hook portion 32 is configured to be spring-back. When the hook portion 31 moves downward through the brim 92 of the cap element 9, the hook portion 32 can deform toward the extension portion 31, allowing the hook portion 32 to move through the brim 92 of the cap element 9. When the hook portion 31 moves below the brim 92 of the cap element 9, the hook portion 32 can spring back, allowing the holding portion 321 of the hook portion to hook onto the brim 92 of the cap element 9. In some embodiments, the extension portion 31 can be configured to be spring-back. When the hook portion 31 moves downward through the brim 92 of the cap element 9, the extension portion 31 can deform outward, allowing the hook portion 32 to move through the brim 92 of the cap element 9. When the hook portion 31 moves below the brim 92 of the cap element 9, the extension portion 31 can spring back, allowing the holding portion 321 of the hook portion to hook onto the brim 92 of the cap element 9.

[0057] In other implementations, such as Figure 7 As shown, the claw portion 3 may include an extension portion 31 and a hook portion 32. The extension portion 31 extends downward from the upper end of the claw portion 3 to the lower end of the claw portion 3. The claw portion 3 protrudes inward below the extension portion 31 to form the hook portion 32. The hook portion 32 may include a holding portion 321 and a sliding guide surface 322. The uppermost edge of the hook portion 32 forms the holding portion 321, and the surface of the hook portion opposite to the extension portion 31 forms the sliding guide surface 322. The sliding guide surface 322 may be configured to taper from the upper end to the lower end, so that its width is minimized at the lower end, which helps the claw portion 3 slide through the brim portion 92 of the cap element 9. In this embodiment, the extension 31 of the claw 3 can be configured to be spring-back. When the hook 31 moves downward through the brim 92 of the cap element 9, the extension 31 can deform outward so that the hook 32 can move through the brim 92 of the cap element 9. When the hook 31 moves below the brim 92 of the cap element 9, the extension 31 can spring back so that the holding part 321 of the hook can hook the brim 92 of the cap element 9.

[0058] In some embodiments, the claw 3 is made of a resilient material. For example, the claw 3 may be made of a resilient steel sheet.

[0059] In some implementations, such as Figure 3 As shown, the claw portion 3 may include 3 claws. In other embodiments, the claw portion 3 may include any number of claws, such as 2 claws, 4 claws, 5 claws, etc.

[0060] In some implementations, such as Figures 9-11 As shown, the tool for removing cap parts is configured to have an adjustable diameter to accommodate cap parts 9 of different diameters. The handle 1 may include multiple longitudinal structural portions 13 and circumferential connecting portions 14. The longitudinal structural portions 13 may extend along the longitudinal direction, and the circumferential connecting portions 14 may extend along the circumferential direction. Adjacent longitudinal structural portions 13 are connected by the circumferential connecting portions 14.

[0061] In some embodiments, the longitudinal structural portion 13 may be configured to have holes extending in the circumferential direction, with the holes of adjacent longitudinal structural portions 13 facing each other, and the circumferential connecting portion 14 configured to be inserted into the holes of the longitudinal structural portions 13. The diameter of the holes of the longitudinal structural portions 13 may be set to be slightly smaller than the diameter of the circumferential connecting portion 14 to generate sufficient frictional force to connect the longitudinal structural portions 13 and the circumferential connecting portion 14.

[0062] In some implementations, such as Figure 11As shown, the circumferential connecting part 14 can have a plurality of protrusions 141 distributed along its extending direction. The inner surface of the hole of the longitudinal structural part 13 can have a plurality of recesses 131 matched with the shape of the plurality of protrusions 141. The matching of the protrusions 141 and the recesses 131 makes the pressure applied by the hand insufficient to cause the relative sliding of the longitudinal structural part 13 and the circumferential connecting part 14, i.e. insufficient to change the diameter of the picking tool when the picking tool is operated.

[0063] In some embodiments, the number of circumferential connecting parts 14 per round is equal to the number of longitudinal structural parts 13, i.e. there is one circumferential connecting part 14 between every two longitudinal structural parts 13 in this round.

[0064] In some embodiments, the handle 1 can include 2, 3, 4, 5, etc. any number of longitudinal structural parts 13.

[0065] In some embodiments, the handle 1 can include 2, 3, 4, 5, etc. any number of circumferential connecting parts 14.

[0066] In some embodiments, the number of claws of the claw part 3 can be equal to the number of longitudinal structural parts 13.

[0067] In some embodiments, the number of claws of the claw part 3 can be equal to one half, one third, one fourth, one fifth or one sixth, etc. of the number of longitudinal structural parts 13, and if it is not an integer, then it is rounded down or up. The claws of the claw part 3 can be evenly installed on all or part of the longitudinal structural parts 13 of the handle 1 in the circumferential direction.

[0068] In some embodiments, the number of fastening parts 2 can be equal to the number of claws of the claw part 3. Each claw of the claw part 3 can be fastened to one longitudinal structural part 13 by one fastening part 2.

[0069] In some embodiments, the picking tool is provided with a plurality of diameter adjustment accessories for adjusting the diameter of the picking tool. The diameter adjustment accessories can include a diameter reducing accessory and a diameter increasing accessory.

[0070] The diameter reducing accessory includes a through hole with internal threads, and the inner diameter of the through hole is equal to the target outer diameter of the picking tool. Correspondingly, the outer surface of the longitudinal structural part 13 has protrusions (not shown) distributed in the longitudinal direction, and the protrusions of the outer surfaces of all the longitudinal structural parts 13 are distributed in a spiral shape as a whole, which together constitute the external threads of the handle 1.

[0071] The diameter increasing accessory is generally cylindrical, with an outer peripheral surface having external threads. The outer diameter of the diameter increasing accessory is equal to the target inner diameter of the extraction tool. Correspondingly, the inner surface of the longitudinal structure 13 has protrusions (not shown) distributed along the longitudinal direction, all the protrusions of the inner surface of the longitudinal structure 13 are distributed helically as a whole, and collectively constitute the internal threads of the handle 1.

[0072] In some embodiments, the outer peripheral surface of the diameter increasing accessory can have an outer diameter tapering towards one end thereof to guide the diameter increasing accessory into the through hole of the extraction tool whose current inner diameter is smaller; the through hole of the diameter decreasing accessory can have an inner diameter expanding towards one end thereof to guide the extraction tool whose current outer diameter is larger into the through hole of the diameter decreasing accessory.

[0073] In combination Figures 9-11 The process of increasing the diameter of the extraction tool using the diameter increasing accessory described above is described.

[0074] The end of the diameter increasing accessory having the tapering outer diameter is inserted between the claw portions 3 of the extraction tool, causing the claw portions 3 to elastically spread outward, so that the diameter increasing accessory passes through the claw portions 3 and is inserted into the lower end of the handle 1. When the internal threads of the handle 1 touch the external threads of the diameter increasing accessory, the diameter increasing accessory is started to be rotated, so that the external threads of the diameter increasing accessory engage the internal threads of the handle 1. The diameter increasing accessory is continuously rotated, so that the diameter increasing accessory continues to be inserted into the internal space of the handle 1, at this time the diameter increasing accessory forces the adjacent longitudinal structures 13 of the handle 1 to move away from each other, the circumferential connecting portions 14 move relative to the longitudinal structures 13, so that the length of the exposed sections of the circumferential connecting portions 14 increases, and thus the inner diameter of the extraction tool increases to be equal to the outer diameter of the diameter increasing accessory. Finally, the diameter increasing accessory exits from the upper opening 12 of the handle 1. At this time, the process of increasing the diameter of the extraction tool is completed.

[0075] In combination Figures 9-11 The process of decreasing the diameter of the extraction tool using the diameter decreasing accessory described above is described.

[0076] The claw portion 3 of the extraction tool is inserted into the end of the through hole of the diameter-reducing fitting with gradually increasing diameter, and the claw portion 3 is elastically retracted inward, so that the diameter-reducing fitting accommodates the claw portion 3 and the lower end of the handle 1. When the external thread of the handle 1 touches the internal thread of the diameter-reducing fitting, the diameter-reducing fitting is started to be rotated, so that the internal thread of the diameter-reducing fitting engages with the external thread of the handle 1. The diameter-reducing fitting is continuously rotated, so that the handle 1 continuously enters the internal cavity of the diameter-reducing fitting, at this time, the diameter-reducing fitting forces the adjacent longitudinal structure portions 13 of the handle 1 to be close to each other, and the circumferential connecting portion 14 moves relative to the longitudinal structure portions 13, so that the exposed section of the circumferential connecting portion 14 is shortened, and thus the outer diameter of the extraction tool is reduced to equal to the inner diameter of the diameter-reducing fitting. Finally, the diameter-reducing fitting is separated from the upper end of the handle 1. At this time, the diameter-reducing process of the extraction tool is completed.

[0077] Next, the process of using the above-mentioned extraction tool to extract the cap parts 9 will be described. Figures 1-8

[0078] The operator holds the handle 1 of the extraction tool by hand, and extends the claw portion 3 into the operation space and towards the cap parts 9. The sliding guide surface 322 of the claw portion 3 first touches the outer periphery of the brim portion 92 of the cap part 9. As the extraction tool continues to extend, the sliding guide surface 322 slides relative to the outer periphery of the brim portion 92 (as shown in FIG. 6), and the outer periphery of the brim portion 92 forces the claw portion 3 to be elastically deformed outward. When the clamping portion 321 of the claw portion 3 exceeds the brim portion 92 of the cap part 9, the clamping portion 321 of the claw portion 3 moves inward under the action of the elastic force and clamps in the re-entrant corner 93 at the transition between the brim portion 92 and the barrel portion 91 of the cap part 9. At this time, the handle 1 can be pulled upward, so that the claw portion 3 pulls the brim portion 92 upward, thereby extracting the cap part 9. In some cases, the clamping portion 321 of the claw portion 3 will hit the cap part 9 when it rebounds, making a sound, or the insertion force will change (for example, the insertion force becomes smaller) after rebounding. The operator can hear the sound and / or feel the change in insertion force, and then pull the handle 1 upward, so that the claw portion 3 pulls the brim portion 92 upward, thereby extracting the cap part 9. Figure 1

[0079] Before extracting the next cap part 9, the previous cap part 9 does not need to be removed from the extraction tool. The claw portion 3 is directly extended towards the next cap part 9, and the next cap part 9 pushes the previous cap part 9 into the internal space of the handle 1. After sequentially extracting a plurality of cap parts 9, the plurality of cap parts 9 enter the internal space of the handle 1 one by one and are stacked one above another in the internal space. When the cap parts 9 gradually fill the internal space of the handle 1, the operator can batch discharge all the cap parts 9 from the opening 12 at the upper end of the handle 1.

[0080] ​​While exemplary embodiments of the present disclosure have been described, it is to be understood that the exemplary embodiments of the present disclosure are provided by way of illustration only. Therefore, various changes and modifications can be suggested to those skilled in the art without departing from the spirit and scope of the present disclosure. Thus, all changes and modifications are intended to be included within the scope of the present disclosure as defined by the appended claims. The present disclosure is defined by the appended claims and their equivalents.

Claims

1. A picking tool for picking a cap part (9), characterized in that, The picking tool comprises: a handle (1) configured to be hollow, a hollow formed inner space capable of accommodating a plurality of cap parts (9) stacked up and down; a claw portion (3) provided at a lower end of the handle (1) for grabbing the cap parts (9); a fastening portion (2) by which the claw portion (3) is fastened to the handle (1); wherein the claw portion (3) comprises an extension portion (31) extending downward from an upper end of the claw portion (3) to a lower end of the claw portion (3) and a hooking portion (32) extending inward and upward from the lower end of the claw portion (3), and wherein at least one of the extension portion and the hooking portion is resilient.

2. A picking tool for picking a hat part (9) according to claim 1, characterized in that, An upper portion of the handle (1) is provided with an opening (12) sized and shaped to enable the cap parts (9) to pass through the opening.

3. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The handle (1) comprises a stepped inward portion (11), a length of the handle (1) below the stepped inward portion (11) is configured to adapt to a depth of the cap parts (9) in an operation space, a width of the handle (1) below the stepped inward portion (11) is less than a width of an operation space for picking the cap parts (9), and a diameter of the handle (1) above the stepped inward portion (11) is greater than the width of the operation space.

4. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The handle (1) is configured to be transparent.

5. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The fastening portion (2) comprises a circumferentially closed annular sheet configured to enable an upper end of the claw portion (3) to be inserted between the fastening portion (2) and the handle (1) and the annular sheet to tighten the upper end of the claw portion (3) to fasten the claw portion (3) and the handle (1) together.

6. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The fastening portion (2) comprises an annular sheet having an opening in a circumferential direction, the upper end of the claw portion (3) is configured to be inserted between the fastening portion (2) and the handle (1), and an operator can tighten the fastening portion (2) at the opening of the fastening portion (2) to increase a tightening force of the fastening portion (2) applied to the claw portion (3) and the handle (1), thereby firmly fixing the claw portion (3).

7. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, An inner surface of the fastening portion (2) is configured with a concave-convex texture.

8. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The fastening portion (2) comprises a screw, an upper portion of the claw portion (3) is configured with a through hole, and a threaded hole is configured on an outer peripheral surface of a lower end of the handle (1), and the picking tool is configured such that the screw passes through the through hole of the claw portion (3) and cooperates with the threaded hole of the handle (1), thereby fastening the claw portion (3) to the handle (1).

9. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The hooking portion (32) comprises a clamping portion (321) and a sliding guide surface (322), an uppermost edge of the hooking portion (32) is configured as the clamping portion (321), and a surface of the hooking portion (32) facing away from the extension portion (31) forms the sliding guide surface (322).

10. A picking tool for picking a hat part (9) according to claim 1 or 2, characterized in that, The extraction tool is configured to be adjustable in diameter, the handle (1) comprises a plurality of longitudinal structural portions (13) configured to extend along a longitudinal direction and a plurality of circumferential connecting portions (14) configured to extend along a circumferential direction, adjacent longitudinal structural portions (13) are connected by the circumferential connecting portions (14).

11. A picking tool for picking a hat part (9) according to claim 10, characterized in that, The longitudinal structural portions (13) are configured to have holes extending along the circumferential direction, the holes of adjacent longitudinal structural portions (13) are opposite in aperture, and the circumferential connecting portions (14) are configured to be inserted into the holes of the longitudinal structural portions (13).

12. A picking tool for picking a hat part (9) according to claim 11, characterized in that, The diameter of the holes of the longitudinal structural portions (13) is slightly smaller than the diameter of the circumferential connecting portions (14).

13. A picking tool for picking a hat part (9) according to claim 11, characterized in that, The circumferential connecting portions (14) are configured to have a plurality of protrusions (141) distributed along the extension direction of the circumferential connecting portions (14), and the inner surfaces of the holes of the longitudinal structural portions (13) are configured to have a plurality of recesses (131) matched with the shapes of the plurality of protrusions (141).

14. A picking tool for picking a hat part (9) according to claim 10, characterized in that, The extraction tool further comprises a diameter adjustment accessory, the diameter adjustment accessory comprises a diameter reducing accessory and a diameter increasing accessory; wherein the diameter reducing accessory comprises a through hole with internal threads, the inner diameter of the through hole is equal to the target outer diameter of the extraction tool, correspondingly, the outer surfaces of the longitudinal structural portions (13) are configured to have protrusions distributed along the longitudinal direction, the protrusions of the outer surfaces of all the longitudinal structural portions (13) are helically distributed as a whole to form external threads of the handle (1); the diameter increasing accessory is cylindrical, the outer peripheral surface of the diameter increasing accessory has external threads, the outer diameter of the diameter increasing accessory is configured to be equal to the target inner diameter of the extraction tool, correspondingly, the inner surfaces of the longitudinal structural portions (13) are configured to have protrusions distributed along the longitudinal direction, the protrusions of the inner surfaces of all the longitudinal structural portions (13) are helically distributed as a whole to form internal threads of the handle (1).

15. A picking tool for picking a hat part (9) according to claim 14, characterized in that, The outer peripheral surface of the diameter increasing accessory has an outer diameter tapering towards one end at the end, and the through hole of the diameter reducing accessory has an inner diameter tapering towards one end at the end.

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