Pin dismounting tool

Abstract

The utility model provides a pin dismounting tool. The pin dismounting tool comprises a supporting piece, a dismounting screw rod and a pin connector, a first threaded structure is arranged on the outer wall of the dismounting screw rod, a first screw rod end and a second screw rod end are formed at the two ends of the dismounting screw rod respectively, a screw rod mounting hole is formed in the supporting piece, and a second threaded structure in threaded fit with the first threaded structure on the dismounting screw rod is arranged on the inner wall of the screw rod mounting hole; the pin connector is arranged at the first screw rod end of the dismounting screw rod; a pin connecting structure is arranged on the pin connector and used for being connected with a pin. According to the pin dismounting tool provided by the utility model, the pin connector is driven to axially displace through the rotation of the dismounting screw rod, so that the pin connector is driven to drive the pin to axially displace, the dismounting of the pin is realized, a user can more conveniently dismount the pin, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of pin disassembly, in particular to a pin disassembly tool. Background Art

[0002] The trailer's hanging plate is usually installed and connected by pins, and considering the stability and reliability of the installation, a tight fit is usually adopted. This makes the removal of the pins very troublesome and difficult during maintenance, and requires the use of multiple tools, such as a screwdriver to expand the mounting hole of the pin and pliers to clamp the pin for easy removal. The above situation will greatly increase the maintenance time and low maintenance efficiency. Utility Model Content

[0003] In order to overcome the deficiencies in the prior art, the utility model provides a pin removal tool, which drives the axial displacement of the pin connector by rotating the disassembly screw, thereby driving the pin connector to drive the axial displacement of the pin, thereby realizing the disassembly of the pin, allowing users to disassemble the pin more conveniently and increase the efficiency.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] 4. The repairing kit for automotive dents, according to claim 1, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw thread, and a nut. The bosses comprise a through-hole, a screw thread, and a nut. The bosses comprise a through-hole, a screw thread, and a nut. The bosses comprise a through-hole, a screw thread, and a nut.

[0006] With the above structure, the user only needs to connect the pin connecting structure on the pin connecting head with the pin to be disassembled, so that the pin is restricted from moving relative to the pin connecting head in the axial direction of the disassembly screw, and then fix the support member, such as relying on the support member on other fixed frames; due to the cooperation of the first threaded structure and the second threaded structure, the disassembly screw can move along the axial direction of the disassembly screw toward the first screw end side or the second screw end side when rotating. Therefore, at this time, the user only needs to rotate the disassembly screw to make it move toward the second screw end side, and the disassembly screw will drive the pin connecting head to move toward the second screw end side, thereby driving the pin to move toward the second screw end side, realizing the disassembly of the pin, and finally resetting the disassembly tool; the above structure enables the user to easily disassemble the pin, and the pin disassembly tool is particularly suitable for detaching the torsion rod pin on the trailer plate.

[0007] Furthermore, one end of the pin is formed as an insertion end, and the other end is formed as a non-insertion end; a first limiting structure is provided on the side wall of the non-insertion end of the pin;

[0008] The pin connection structure is formed as a receiving groove provided on the pin connection head and matching the non-insertion end side of the pin, the receiving groove is coaxially arranged with the disassembly thread, and a side of the receiving groove away from the second screw end extends along the axis of the receiving groove away from the second screw end and forms a first opening on the surface of the pin connection head;

[0009] A second limiting structure is provided on the side wall of the accommodating groove, which cooperates with the first limiting structure to limit the movement of the pin relative to the pin connector in the axial direction of the disassembly screw, and the distance between the second limiting structure and the bottom surface of the accommodating groove opposite to the first opening in the accommodating groove is greater than or equal to the distance between the first limiting structure in the pin and the non-insertion end.

[0010] The above structure makes the structural setting of the pin connector more reasonable and convenient for users to operate; when using it, the user only needs to place the pin in the accommodating groove and make the second limiting structure of the accommodating groove cooperate with the first limiting structure on the pin to realize the connection between the pin connecting structure and the pin and limit the pin.

[0011] Furthermore, the pin connector is provided with an entry and exit channel for the non-insertion end side of the pin to enter and exit the accommodating groove, one end of the entry and exit channel is connected to the side wall of the accommodating groove, and the other end extends in a direction perpendicular to the axis of the accommodating groove and forms an inlet and outlet on the surface of the pin connector.

[0012] With the above structure, the setting of the inlet and outlet enables the pin to enter and exit the receiving groove through the inlet and outlet, which is easy to operate; of course, the pin connector can also be designed in a split form to expose or close the receiving groove to facilitate the pin to enter and exit the receiving groove.

[0013] Furthermore, in some embodiments, the pin includes a pin body and a pin cap disposed at one end of the pin body and having a diameter larger than that of the pin body, and a step structure formed between the pin body and the pin cap forms a first limiting structure;

[0014] Along the direction from the first screw end to the second screw end of the disassembly screw, the accommodating groove includes a first accommodating groove and a second accommodating groove coaxially arranged with the first accommodating groove, the diameter of the second accommodating groove is greater than or equal to the diameter of the pin cap, and the height is greater than or equal to the height of the pin cap; the diameter of the first accommodating groove is greater than or equal to the diameter of the pin body and smaller than the diameter of the pin cap; the first accommodating groove is connected to the second accommodating groove on the side facing the second accommodating groove, and the end of the first accommodating groove away from the second accommodating groove extends along the axis of the first accommodating groove to the side away from the second accommodating groove and forms the first opening on the surface of the pin connector; the step structure formed between the first accommodating groove and the second accommodating groove forms a second limiting structure;

[0015] The inlet and outlet channel includes a first inlet and outlet channel and a second inlet and outlet channel; one end of the first inlet and outlet channel is communicated with the side wall of the first accommodating groove, and the other end extends in a direction perpendicular to the axis of the first accommodating groove and forms a first inlet and outlet on the surface of the pin connecting head; one end of the second inlet and outlet channel is communicated with the side wall of the second accommodating groove, and the other end extends in a direction perpendicular to the axis of the second accommodating groove and forms a second inlet and outlet on the surface of the pin connecting head, and the axis of the first inlet and outlet channel is parallel to the axis of the second inlet and outlet channel, and the first inlet and outlet channel is communicated with the second inlet and outlet channel on a side facing the second inlet and outlet channel, and the first inlet and outlet and the second inlet and outlet form the inlet and outlet;

[0016] The width of the first inlet and outlet channel is greater than or equal to the diameter of the pin body, and the width of the second inlet and outlet channel is greater than or equal to the diameter of the pin cap, and the height of the second inlet and outlet channel is greater than or equal to the height of the pin cap.

[0017] By adopting the above structure, the pin connector can be adapted to a pin with a pin cap. After placing the end of the pin with the pin cap in the accommodating groove, the pin cap is located in the second accommodating groove, and the end of the pin body connected to the pin cap is located in the first accommodating groove. At this time, the step structure between the first accommodating groove and the second accommodating groove clamps the step structure between the pin cap and the pin body, thereby realizing the restrictive effect of the pin connection structure on the pin.

[0018] Furthermore, in some embodiments, the pin includes a pin body, a side wall of the pin body is recessed with a limiting slot, and the limiting slot is formed as a first limiting structure;

[0019] The width of the accommodating groove and the entry and exit channel is greater than or equal to the diameter of the pin body, and a limiting protrusion is provided on the side wall of the accommodating groove, which protrudes toward the axis side of the accommodating groove and matches the limiting slot, and the protruding direction of the limiting protrusion is perpendicular to the axis of the entry and exit channel, and the limiting protrusion forms the second limiting structure.

[0020] By adopting the above structure, the pin connector can adapt to the pin with a limiting slot on the side wall of the pin body. After the non-insertion end of the pin is placed in the accommodating groove, the limiting protrusion on the side wall of the accommodating groove clamps the limiting slot on the side wall of the pin body, thereby realizing the limiting effect of the pin connection structure on the pin.

[0021] Furthermore, one end of the limiting protrusion facing the inlet and outlet extends toward the inlet and outlet side along the axis of the inlet and outlet channel to form a guide portion.

[0022] The above structure can guide the pin to enter the receiving groove, making it easy for the user to align the limiting groove on the pin body with the limiting protrusion on the receiving groove, thereby facilitating use by the user.

[0023] Furthermore, two limiting grooves are symmetrically provided on the side wall of the pin body, and correspondingly, the accommodating groove is oppositely provided with two limiting protrusions.

[0024] By adopting the above structure, the limiting protrusion can better cooperate with the limiting slot, and the limiting protrusion can more stably cooperate with the limiting slot, that is, the pin connection structure can limit the pin more stably and reliably.

[0025] Furthermore, the pin connector is detachably connected to the disassembly screw.

[0026] The above structure makes it easy for users to replace the pin connector of the corresponding pin according to the type of pin that needs to be disassembled; or when a pin connector is worn out during long-term use and cannot be used, a new pin connector can be replaced; the above structure greatly improves the user experience.

[0027] Furthermore, the pin connector is threadedly connected to the disassembly screw.

[0028] The above structure makes it convenient for users to replace the pin connector.

[0029] Furthermore, the pin connector includes a connector body, a first connector limiter, and a second connector limiter, and the pin connection structure is provided on the connector body;

[0030] The first connector limiting member includes a first connector limiting sleeve and a first connector limiting portion provided at one end of the first connector limiting sleeve, wherein the maximum width of the first connector limiting portion is greater than the outer diameter of the first connector limiting sleeve, the inner diameter of the first connector limiting sleeve matches the diameter of the disassembly screw, and a third thread structure is provided on the inner wall of the first connector limiting sleeve, which is threadably matched with the first thread structure so as to be mounted on the disassembly screw;

[0031] The connector body is provided with a connector body mounting hole having a hole diameter matching the outer diameter of the first connector limiting sleeve so as to be sleeved outside the first connector limiting sleeve;

[0032] The maximum width of the second connector limiting piece is greater than the inner diameter of the connector body mounting hole, and the second connector limiting piece is provided with a second connector limiting mounting hole with a diameter matching the diameter of the disassembly screw, and the inner wall of the second connector limiting mounting hole is provided with a fourth threaded structure threadedly matched with the first threaded structure for installation on the disassembly screw, and the second connector limiting piece is located at the end of the first connector limiting sleeve away from the first connector limiting portion.

[0033] The above structure is adopted to facilitate the connection between the pin connector and the disassembly screw; during installation, the user needs to first install the first connector limiter onto the disassembly screw, then put the connector body on the first connector limiter, and then install the second connector limiter onto the disassembly screw. The first connector limiter on the first connector limiter and the second connector limiter can limit the axial movement of the connector body; specifically, the pin connector can be replaced by simply replacing the connector body.

[0034] Furthermore, one end surface of the connector body facing the second connector limiter is recessed at the connector body mounting hole to form a second connector limiter accommodating groove matching the second connector limiter.

[0035] The above structure makes the structural setting of the pin connector more reasonable; after the second connector limiter is installed on the disassembly screw, it can be received in the second connector limiter accommodating groove, avoiding the second connector limiter from affecting the accommodating groove.

[0036] Furthermore, the connector body is threadedly connected to the first connector limiting sleeve of the first connector limiting member.

[0037] The above structure makes the installation between the connector body and the first connector limiter more reasonable, reliable and stable, and the connector body can rotate synchronously with the disassembly screw to drive the pin to rotate, so as to facilitate the disassembly of the pin.

[0038] Furthermore, the support member has a support member cavity, and one side of the support member cavity extends outward along the axial direction of the support member cavity and forms a second opening on the surface of the support member, and the screw mounting hole is provided on the end face of the support member opposite to the second opening, and the screw mounting hole is connected to the other side of the support member cavity.

[0039] The above structure makes the structural arrangement of the support member more reasonable.

[0040] Furthermore, the cross section of the support member cavity matches the cross section of the pin connector.

[0041] With the above structure, the setting of the support member cavity allows the pin connector to enter the support member cavity through the second opening when the user operates the disassembly screw to move it toward the second screw end, thereby avoiding the setting of the support member affecting the movable stroke of the pin connector.

[0042] Furthermore, the pin connector is cylindrical, and correspondingly, the support cavity is cylindrical.

[0043] The above structure makes the structural arrangement of the pin connector and the support cavity more reasonable.

[0044] Furthermore, the support member includes a support member body and a support member cover plate, the support member body is a cylindrical structure with openings at both ends, the support member cover plate is arranged and installed on one end of the support member body, the opening on the other end of the support member body is formed as the second opening, and the screw mounting hole is arranged on the support member cover plate.

[0045] The above structure makes the structural setting of the support more reasonable, and facilitates the production and installation of the support. Specifically, the support body and the support cover are connected and fixed by welding.

[0046] Furthermore, the support member cover plate protrudes toward one side of the support member body to form a support member cover plate protrusion that matches the inner hole of the support member body.

[0047] The above structure facilitates the connection and fixation between the support member main body and the support member cover.

[0048] Furthermore, the pin removal tool includes a limiting nut installed on the end side of the second screw.

[0049] With the above structure, the user can insert other tools into the second screw end to rotate the disassembly screw, so as to facilitate the user's operation of the disassembly screw, such as an electric tool; the setting of the limiting nut can limit the insertion depth of other tools, thereby playing a protective role for the pin removal tool and other tools.

[0050] Furthermore, the cross section of the second screw end side of the disassembly screw is a non-circular structure.

[0051] The above structure can prevent other tools from being inserted into the second screw end and rotating relative to the second screw end when the disassembly screw is rotated, thereby ensuring that force can be effectively transmitted.

[0052] Compared with the prior art, the present invention has the following beneficial effects:

[0053] (1) The pin removal tool of the present invention drives the axial displacement of the pin connector by rotating the disassembly screw, thereby driving the pin connector to drive the axial displacement of the pin, thereby realizing the disassembly of the pin, allowing users to disassemble the pin more conveniently and increase the efficiency.

[0054] (2) The pin removal tool of the present invention is provided with different pin connectors so that different pin connectors can be adapted to different types of pins, thereby making the pin removal tool applicable to more usage scenarios.

[0055] (3) The pin removal tool of the present invention has a reasonable structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0057] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the pin removal tool of the present invention;

[0058] Figure 2 This is a schematic diagram of the exploded structure of Example 1 of the pin removal tool of the present invention;

[0059] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0060] Figure 4 This is a structural diagram of the pin connector in Example 1 of the pin removal tool of the present invention;

[0061] Figure 5 This is a schematic diagram of the three-dimensional structure of Example 2 of the pin removal tool of the present invention;

[0062] Figure 6 This is a structural diagram of a pin connector in Example 2 of the pin removal tool of the present invention;

[0063] The names of the components corresponding to the various reference numerals in the figure are: 1. Support member; 101. Screw mounting hole; 102. Second thread structure; 103. Support member cavity; 104. Second opening; 105. Support member body; 106. Support member cover; 1061. Cover plate protrusion; 2. Disassembly screw; 201. First thread structure; 202. First screw end; 203. Second screw end; 3. Pin connector; 301. Pin connection structure; 302. Accommodating groove; 3021. First accommodating groove; 3022. Second accommodating groove; 303. First opening; 304. Second limiting structure; 305. Access channel; 3051. First access channel; 3052, second access channel; 306, access port; 3061, first access port; 3062, second access port; 307, restriction protrusion; 308, guide portion; 309, connector body; 3091, connector body mounting hole; 3092, second connector restriction member receiving groove; 3010, first connector restriction member; 30101, first connector restriction sleeve; 30102, first connector restriction member; 30103, third threaded structure; 3011, second connector restriction member; 30111, second connector restriction mounting hole; 30112, fourth threaded structure; 4, restriction nut;

[0064] a, pin; a1, insertion end; a2, non-insertion end; a3, first limiting structure; a4, pin body; a5, pin cap; a6, limiting slot. DETAILED DESCRIPTION

[0065] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0066] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0067] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0068] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0069] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples, however, one skilled in the art will appreciate that the examples can be practiced without these specific details.

[0070] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0071] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0072] Example 1

[0073] See Figures 1 to 4 The utility model provides a pin removal tool, comprising a support member 1, a disassembly screw 2, and a pin connector 3; a first thread structure 201 is provided on the outer wall of the disassembly screw 2, and two ends of the disassembly screw 2 are respectively formed as a first screw end 202 and a second screw end 203, the support member 1 is provided with a screw mounting hole 101 matching the disassembly screw 2, the disassembly screw 2 is passed through the screw mounting hole 101, and a second thread structure 102 is provided on the inner wall of the screw mounting hole 101 threadedly matched with the first thread structure 201 on the disassembly screw 2; the pin connector 3 is provided at the first screw end 202 of the disassembly screw 2, and the pin connector 3 is restricted from moving relative to the disassembly screw 2 along the axial direction of the disassembly screw 2; a pin connecting structure 301 is provided on the pin connector 3, and the pin connecting structure 301 is used to connect with the pin a to limit the movement of the pin a relative to the pin connector 3 in the axial direction of the disassembly screw 2.

[0074] With the above structure, the user only needs to connect the pin connecting structure 301 on the pin connecting head 3 with the pin a to be disassembled, so that the pin a is restricted from moving relative to the pin connecting head 3 in the axial direction of the disassembly screw 2, and then fix the support member 1, such as leaning the support member 1 on other fixed frames; due to the cooperation between the first threaded structure 201 and the second threaded structure 102, the disassembly screw 2 can move along the axial direction of the disassembly screw 2 toward the first screw end 202 side or the second screw end 203 side when rotating. Therefore, at this time, the user only needs to rotate the disassembly screw 2 to make it move toward the second screw end 203 side, and the disassembly screw 2 will drive the pin connecting head 3 to move toward the second screw end 203 side, thereby driving the pin a to move toward the second screw end 203 side, realizing the disassembly of the pin a, and finally resetting the disassembly tool; the above structure enables the user to easily disassemble the pin a, and the pin disassembly tool is particularly suitable for disassembling the torsion rod pin a on the trailer plate.

[0075] Furthermore, one end of the pin a is formed as an insertion end a1, and the other end is formed as a non-insertion end a2; a first limiting structure a3 is provided on the side wall of the pin a at the non-insertion end a2 side;

[0076] The pin connection structure 301 is formed as a receiving groove 302 provided on the pin connection head 3 and matching the non-insertion end a2 side of the pin a. The receiving groove 302 is coaxially arranged with the disassembly thread, and the side of the receiving groove 302 away from the second screw end 203 extends along the axis of the receiving groove 302 away from the second screw end 203 and forms a first opening 303 on the surface of the pin connection head 3;

[0077] A second limiting structure 304 is provided on the side wall of the accommodating groove 302 to cooperate with the first limiting structure a3 to limit the movement of the pin a relative to the pin connector 3 in the axial direction of the disassembly screw 2, and the distance between the second limiting structure 304 and the bottom surface of the accommodating groove 302 opposite to the first opening 303 in the accommodating groove 302 is greater than or equal to the distance between the first limiting structure a3 in the pin a and the non-insertion end a2.

[0078] The above structure makes the structural setting of the pin connector 3 more reasonable and convenient for users to operate; when using it, the user only needs to place the pin a in the accommodating groove 302, and make the second limiting structure 304 of the accommodating groove 302 cooperate with the first limiting structure a3 on the pin a, so as to realize the connection between the pin connecting structure 301 and the pin a and limit the pin a.

[0079] Furthermore, the pin connector 3 is provided with an entry and exit channel 305 for the non-insertion end a2 side of the pin a to enter and exit the accommodating groove 302, one end of the entry and exit channel 305 is connected to the side wall of the accommodating groove 302, and the other end extends in a direction perpendicular to the axis of the accommodating groove 302 and forms an inlet and outlet 306 on the surface of the pin connector 3.

[0080] With the above structure, the setting of the inlet and outlet 306 enables the pin a to enter and exit the receiving groove 302 through the inlet and outlet 306, which is easy to operate; of course, the pin connector 3 can also be designed to be split in half to expose or close the receiving groove 302, so as to facilitate the pin a to enter and exit the receiving groove 302.

[0081] Furthermore, the pin a includes a pin body a4 and a pin cap a5 provided at one end of the pin body a4 and having a diameter larger than that of the pin body a4. The step structure formed between the pin body a4 and the pin cap a5 forms a first limiting structure a3.

[0082] The second retaining groove 3021 is a first retaining groove 3021 and a second retaining groove 3022 is a second retaining groove 3022.

[0083] The inlet and outlet channel 305 includes a first inlet and outlet channel 3051 and a second inlet and outlet channel 3052; one end of the first inlet and outlet channel 3051 is connected to the side wall of the first accommodating groove 3021, and the other end extends in a direction perpendicular to the axis of the first accommodating groove 3021 and forms a first inlet and outlet 3061 on the surface of the pin connector 3; one end of the second inlet and outlet channel 3052 is connected to the side wall of the second accommodating groove 3022, and the other end extends in a direction perpendicular to the axis of the second accommodating groove 3022 and forms a second inlet and outlet 3062 on the surface of the pin connector 3, and the axis of the first inlet and outlet channel 3051 is parallel to the axis of the second inlet and outlet channel 3052, the first inlet and outlet channel 3051 is connected to the second inlet and outlet channel 3052 on the side facing the second inlet and outlet channel 3052, and the first inlet and outlet 3061 and the second inlet and outlet 3062 form the inlet and outlet 306;

[0084] The width of the first inlet and outlet channel 3051 is greater than or equal to the diameter of the pin body a4, and the width of the second inlet and outlet channel 3052 is greater than or equal to the diameter of the pin cap a5, and the height is greater than or equal to the height of the pin cap a5.

[0085] By adopting the above structure, the pin connector 3 can be adapted to the pin a with a pin cap a. After the end of the pin a with the pin cap a5 is placed in the accommodating groove 302, the pin cap a5 is located in the second accommodating groove 3022, and the end of the pin body a4 connected to the pin cap a5 is located in the first accommodating groove 3021. At this time, the step structure between the first accommodating groove 3021 and the second accommodating groove 3022 clamps the step structure between the pin cap a5 and the pin body a4, thereby realizing the restrictive effect of the pin connection structure 301 on the pin a.

[0086] Furthermore, the pin connector 3 is detachably connected to the disassembly screw 2 .

[0087] The above structure makes it easy for users to replace the pin connector 3 of the corresponding pin a according to the type of pin a that needs to be disassembled; or when a pin connector 3 is worn out during long-term use and cannot be used, a new pin connector 3 can be replaced; the above structure greatly improves the user experience.

[0088] Furthermore, the pin connector 3 is threadedly connected to the disassembly screw 2 .

[0089] The above structure makes it convenient for users to replace the pin connector 3.

[0090] Furthermore, the pin connector 3 includes a connector body 309, a first connector limiter 3010, and a second connector limiter 3011, and the pin connection structure 301 is provided on the connector body 309;

[0091] The first connector limiting member 3010 includes a first connector limiting sleeve 30101 and a first connector limiting portion 30102 provided at one end of the first connector limiting sleeve 30101. The maximum width of the first connector limiting portion 30102 is greater than the outer diameter of the first connector limiting sleeve 30101. The inner diameter of the first connector limiting sleeve 30101 matches the diameter of the disassembly screw 2. A third thread structure 30103 is provided on the inner wall of the first connector limiting sleeve 30101, which is threadably matched with the first thread structure 201 so as to be mounted on the disassembly screw 2.

[0092] The connector body 309 is provided with a connector body mounting hole 3091 having a hole diameter matching the outer diameter of the first connector limiting sleeve 30101 so as to be sleeved outside the first connector limiting sleeve 30101;

[0093] The maximum width of the second connector limiting member 3011 is greater than the inner diameter of the connector body mounting hole 3091, and the second connector limiting member 3011 is provided with a second connector limiting mounting hole 30111 whose diameter matches the diameter of the disassembly screw 2, and the inner wall of the second connector limiting mounting hole 30111 is provided with a fourth threaded structure 30112 threadedly matched with the first threaded structure 201 for installation on the disassembly screw 2, and the second connector limiting member 3011 is located at the end of the first connector limiting sleeve 30101 away from the first connector limiting portion 30102.

[0094] The above structure is adopted to facilitate the connection between the pin connector 3 and the disassembly screw 2; during installation, the user needs to first install the first connector limiter 3010 on the disassembly screw 2, then put the connector body 309 on the first connector limiter 3010, and then install the second connector limiter 3011 on the disassembly screw 2. The first connector limiter 30102 on the first connector limiter 3010 and the second connector limiter 3011 can limit the axial movement of the connector body 309; specifically, the pin connector 3 can be replaced by simply replacing the connector body 309.

[0095] Furthermore, one end surface of the connector body 309 facing the second connector limiter 3011 is recessed at the connector body mounting hole 3091 to form a second connector limiter accommodating groove 3092 that matches the second connector limiter 3011 .

[0096] The above structure makes the structural setting of the pin connector 3 more reasonable; after the second connector limiter 3011 is installed on the disassembly screw 2, it can be accommodated in the second connector limiter accommodating groove 3092, avoiding the second connector limiter 3011 from affecting the accommodating groove 302.

[0097] Furthermore, the connector body 309 is threadedly connected to the first connector limiting sleeve 30101 of the first connector limiting member 3010 .

[0098] The above structure makes the installation between the connector body 309 and the first connector limiter 3010 more reasonable, reliable and stable, and the connector body 309 can rotate synchronously with the disassembly screw 2 to drive the pin a to rotate, so as to facilitate the disassembly of the pin a.

[0099] Furthermore, the support member 1 has a support member cavity 103, and one side of the support member cavity 103 extends outward along the axial direction of the support member cavity 103 and forms a second opening 104 on the surface of the support member 1, and the screw mounting hole 101 is provided on the end face of the support member 1 opposite to the second opening 104, and the screw mounting hole 101 is connected to the other side of the support member cavity 103.

[0100] The above structure makes the structural arrangement of the support member 1 more reasonable.

[0101] Furthermore, the cross section of the support cavity 103 matches the cross section of the pin connector 3 .

[0102] With the above structure, the setting of the support cavity 103 allows the pin connector 3 to enter the support cavity 103 through the second opening 104 when the user operates the disassembly screw 2 to move it toward the second screw end 203, thereby avoiding the setting of the support 1 affecting the movable stroke of the pin connector 3.

[0103] Furthermore, the pin connector 3 is cylindrical, and correspondingly, the support cavity 103 is cylindrical.

[0104] The above structure makes the structural arrangement of the pin connector 3 and the support cavity 103 more reasonable.

[0105] Furthermore, the support member 1 includes a support member body 105 and a support member cover 106. The support member body 105 is a cylindrical structure with openings at both ends. The support member cover 106 is arranged and installed on one end of the support member body 105. The opening on the other end of the support member body 105 is formed as the second opening 104. The screw mounting hole 101 is arranged on the support member cover 106.

[0106] The above structure makes the structural setting of the support member 1 more reasonable, and facilitates the production and installation of the support member 1; specifically, the support member body 105 and the support member cover plate 106 are connected and fixed by welding.

[0107] Furthermore, one side of the support member cover 106 protrudes toward the support member body 105 to form a support member cover 106 protrusion 1061 that matches the inner hole of the support member body 105 .

[0108] The above structure facilitates the connection and fixation between the support member main body 105 and the support member cover plate 106 .

[0109] Furthermore, the pin removal tool includes a limiting nut 4 installed on the side of the second screw end 203.

[0110] With the above structure, the user can insert other tools into the second screw end 203 to rotate the disassembly screw 2, so as to facilitate the user's operation of the disassembly screw 2, such as an electric tool; the setting of the limiting nut 4 can limit the insertion depth of other tools, thereby playing a protective role for the pin removal tool and other tools.

[0111] Furthermore, the cross section of the second screw end 203 of the disassembly screw 2 is a non-circular structure.

[0112] The above structure can prevent other tools from being inserted into the second screw end 203 and rotating relative to the second screw end 203 when the disassembly screw 2 is rotated, thereby ensuring that force can be effectively transmitted.

[0113] Example 2

[0114] See Figures 5 and 6 The structure of the second embodiment is substantially the same as that of the first embodiment, except that, further, in some embodiments, the pin a includes a pin body a4, a limiting groove a6 is recessed on the side wall of the pin body a4, and the limiting groove a6 is formed as a first limiting structure a3;

[0115] The width of the accommodating groove 302 and the entry and exit channel 305 is greater than or equal to the diameter of the pin body a4. The side wall of the accommodating groove 302 is provided with a limiting protrusion 307 that protrudes toward the axis side of the accommodating groove 302 and matches the limiting slot a6, and the protruding direction of the limiting protrusion 307 is perpendicular to the axis of the entry and exit channel 305. The limiting protrusion 307 forms the second limiting structure 304.

[0116] By adopting the above structure, the pin connector 3 can adapt to the pin a with a limiting groove a6 on the side wall of the pin body a4. After the non-insertion end a2 of the pin a is placed in the accommodating groove 302, the limiting protrusion 307 on the side wall of the accommodating groove 302 clamps the limiting groove a6 on the side wall of the pin body a4, thereby realizing the limiting effect of the pin connection structure 301 on the pin a.

[0117] Furthermore, one end of the limiting protrusion 307 facing the inlet and outlet 306 extends toward the inlet and outlet 306 along the axis of the inlet and outlet channel 305 to form a guide portion 308 .

[0118] The above structure guides the pin a into the receiving groove 302, making it easy for the user to align the limiting groove on the pin body a4 with the limiting protrusion on the receiving groove 302, thereby facilitating the use of the user.

[0119] Furthermore, two limiting grooves a6 are symmetrically provided on the side wall of the pin body a4 , and correspondingly, the accommodating groove 302 is oppositely provided with two limiting protrusions 307 .

[0120] By adopting the above structure, the limiting protrusion 307 can better cooperate with the limiting slot a6, and the limiting protrusion 307 can cooperate with the limiting slot a6 more stably, that is, the pin connection structure 301 can limit the pin a more stably and reliably.

[0121] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0122] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A pin removal tool, characterized in that: The invention comprises a support member (1), a disassembly screw rod (2), and a pin connector (3); a first thread structure (201) is arranged on the outer wall of the disassembly screw rod (2), and two ends of the disassembly screw rod (2) are respectively formed as a first screw rod end (202) and a second screw rod end (203); a screw rod mounting hole (101) matching the disassembly screw rod (2) is arranged on the support member (1), the disassembly screw rod (2) is inserted into the screw rod mounting hole (101), and a first thread structure (201) matching the first screw rod end (202) on the disassembly screw rod (2) is arranged on the inner wall of the screw rod mounting hole (101). A threaded structure (201) is threadably matched with a second threaded structure (102); the pin connector (3) is arranged at the first screw end (202) of the disassembly screw (2), and the pin connector (3) is restricted from moving relative to the disassembly screw (2) along the axial direction of the disassembly screw (2); a pin connecting structure (301) is arranged on the pin connector (3), and the pin connecting structure (301) is used to connect with the pin (a) to restrict the movement of the pin (a) relative to the pin connector (3) in the axial direction of the disassembly screw (2).

2. The pin removal tool according to claim 1, characterized in that: One end of the pin (a) is formed as an insertion end (a1), and the other end is formed as a non-insertion end (a2); a first limiting structure (a3) ​​is provided on the side wall of the non-insertion end (a2) of the pin (a); The pin connection structure (301) is formed as a receiving groove (302) arranged on the pin connection head (3) and matching the non-insertion end (a2) side of the pin (a), the receiving groove (302) is coaxially arranged with the disassembly thread, and the side of the receiving groove (302) away from the second screw end (203) extends along the axis of the receiving groove (302) away from the second screw end (203) and forms a first opening (303) on the surface of the pin connection head (3); A second limiting structure (304) is provided on the side wall of the receiving groove (302) and cooperates with the first limiting structure (a3) ​​to limit the movement of the pin (a) relative to the pin connector (3) in the axial direction of the disassembly screw (2), and the distance between the second limiting structure (304) and the bottom surface of the receiving groove (302) opposite to the first opening (303) in the receiving groove (302) is greater than or equal to the distance between the first limiting structure (a3) ​​and the non-insertion end (a2) of the pin (a); The pin connector (3) is provided with an inlet and outlet passage (305) for the non-insertion end (a2) side of the pin (a) to enter and exit the receiving groove (302); one end of the inlet and outlet passage (305) is connected to the side wall of the receiving groove (302), and the other end extends in a direction perpendicular to the axis of the receiving groove (302) and forms an inlet and outlet (306) on the surface of the pin connector (3).

3. The pin removal tool according to claim 2, characterized in that: The pin (a) comprises a pin body (a4), and a pin cap (a5) arranged at one end of the pin body (a4) and having a diameter greater than that of the pin body (a4), and a step structure formed between the pin body (a4) and the pin cap (a5) forms a first limiting structure (a3); Along the direction from the first screw end (202) to the second screw end (203) of the disassembly screw (2), the accommodating groove (302) includes a first accommodating groove (3021) and a second accommodating groove (3022) coaxially arranged with the first accommodating groove (3021), the diameter of the second accommodating groove (3022) is greater than or equal to the diameter of the pin cap (a5), and the height is greater than or equal to the height of the pin cap (a5); the diameter of the first accommodating groove (3021) is greater than or equal to the diameter of the pin body (a4) and is smaller than the diameter of the pin cap (a5); the first accommodating groove (3021) is connected to the second accommodating groove (3022) on one side thereof facing the second accommodating groove (3022); one end of the first accommodating groove (3021) away from the second accommodating groove (3022) extends along the axis of the first accommodating groove (3021) toward the side away from the second accommodating groove (3022) and forms the first opening (303) on the surface of the pin connector (3); the step structure formed between the first accommodating groove (3021) and the second accommodating groove (3022) forms a second limiting structure (304); The inlet and outlet channel (305) comprises a first inlet and outlet channel (3051) and a second inlet and outlet channel (3052); one end of the first inlet and outlet channel (3051) is connected to the side wall of the first receiving groove (3021), and the other end extends in a direction perpendicular to the axis of the first receiving groove (3021) and forms a first inlet and outlet (3061) on the surface of the pin connector (3); one end of the second inlet and outlet channel (3052) is connected to the side wall of the second receiving groove (3022), and the other end extends in a direction perpendicular to the axis of the first receiving groove (3021) and forms a first inlet and outlet (3061) on the surface of the pin connector (3). The second receiving groove (3022) extends in the direction of the axis and forms a second inlet and outlet (3062) on the surface of the pin connector (3), and the axis of the first inlet and outlet channel (3051) is parallel to the axis of the second inlet and outlet channel (3052), and the first inlet and outlet channel (3051) is connected to the second inlet and outlet channel (3052) on the side facing the second inlet and outlet channel (3052), and the first inlet and outlet (3061) and the second inlet and outlet (3062) form the inlet and outlet (306); The width of the first inlet and outlet channel (3051) is greater than or equal to the diameter of the pin body (a4), and the width of the second inlet and outlet channel (3052) is greater than or equal to the diameter of the pin cap (a5), and the height is greater than or equal to the height of the pin cap (a5).

4. The pin removal tool according to claim 2, characterized in that: The pin (a) comprises a pin body (a4), a side wall of the pin body (a4) is recessed with a limiting groove (a6), and the limiting groove (a6) is formed as a first limiting structure (a3); The width of the receiving groove (302) and the inlet and outlet channel (305) is greater than or equal to the diameter of the pin body (a4); a limiting protrusion (307) is provided on the side wall of the receiving groove (302) and is protruded toward the axis side of the receiving groove (302) and matches the limiting slot (a6); and the protruding direction of the limiting protrusion (307) is perpendicular to the axis of the inlet and outlet channel (305); and the limiting protrusion (307) forms the second limiting structure (304); One end of the limiting protrusion (307) facing the inlet and outlet (306) extends along the axis of the inlet and outlet channel (305) toward the side of the inlet and outlet (306) to form a guide portion (308); Two limiting grooves (a6) are symmetrically arranged on the side wall of the pin body (a4), and correspondingly, the accommodating groove (302) is relatively provided with two limiting protrusions (307).

5. The pin removal tool according to claim 1, characterized in that: The pin connector (3) is detachably connected to the disassembly screw rod (2).

6. The pin removal tool according to claim 5, characterized in that: The pin connector (3) is threadedly connected to the disassembly screw rod (2); The pin connector (3) comprises a connector body (309), a first connector limiter (3010), and a second connector limiter (3011), and the pin connection structure (301) is arranged on the connector body (309); The first connector limiting member (3010) comprises a first connector limiting sleeve (30101), and a first connector limiting portion (30102) arranged at one end of the first connector limiting sleeve (30101), and the maximum width of the first connector limiting portion (30102) is greater than the outer diameter of the first connector limiting sleeve (30101), the inner diameter of the first connector limiting sleeve (30101) matches the diameter of the disassembly screw (2), and a third thread structure (30103) threadably matched with the first thread structure (201) is arranged on the inner wall of the first connector limiting sleeve (30101) so as to be installed on the disassembly screw (2); The connector body (309) is provided with a connector body mounting hole (3091) whose aperture matches the outer diameter of the first connector limiting sleeve (30101) so as to be sleeved outside the first connector limiting sleeve (30101); The maximum width of the second connector limiting member (3011) is greater than the inner diameter of the connector body mounting hole (3091), and the second connector limiting member (3011) is provided with a second connector limiting mounting hole (30111) whose diameter matches the diameter of the disassembly screw (2), and the inner wall of the second connector limiting mounting hole (30111) is provided with a fourth thread structure (30112) threadably matched with the first thread structure (201) for installation on the disassembly screw (2), and the second connector limiting member (3011) is located at one end of the first connector limiting sleeve (30101) away from the first connector limiting portion (30102).

7. The pin removal tool according to claim 6, characterized in that: One end surface of the connector body (309) facing the second connector limiter (3011) is recessed at the connector body mounting hole (3091) to form a second connector limiter accommodating groove (3092) matching the second connector limiter (3011); The connector body (309) is threadedly connected to the first connector limiting sleeve (30101) of the first connector limiting member (3010).

8. The pin removal tool according to claim 1, characterized in that: The support member (1) has a support member cavity (103), and one side of the support member cavity (103) extends outwardly along the axial direction of the support member cavity (103) and forms a second opening (104) on the surface of the support member (1), and the screw mounting hole (101) is provided on the end surface of the support member (1) opposite to the second opening (104), and the screw mounting hole (101) is communicated with the other side of the support member cavity (103); The cross section of the support cavity (103) matches the cross section of the pin connector (3).

9. The pin removal tool according to claim 8, characterized in that: The pin connector (3) is columnar, and correspondingly, the support cavity (103) is columnar; The support member (1) comprises a support member body (105) and a support member cover plate (106); the support member body (105) is a cylindrical structure with openings at both ends; the support member cover plate (106) is arranged and installed on one end of the support member body (105); the opening on the other end of the support member body (105) is formed as the second opening (104); and the screw mounting hole (101) is arranged on the support member cover plate (106); The support member cover plate (106) protrudes toward one side of the support member body (105) to form a support member cover plate (106) protrusion (1061) matching the inner hole of the support member body (105).

10. The pin removal tool according to claim 8, characterized in that: It includes a limiting nut (4) installed on the side of the second screw end (203); The cross section of the second screw end (203) of the disassembly screw (2) is a non-circular structure.

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