Guide pin dismounting device

Abstract

The utility model belongs to the technical field of manual tools, and discloses a guide pin dismounting device which comprises a positioning piece and a handle, a first end portion of the positioning piece is provided with a sleeving groove, a second end portion of the positioning piece is provided with an inserting groove, a pin sleeve can rotate along with the positioning piece, and an inserting portion of the handle is connected to one end of a holding portion. When the space where the guide pin is located is narrow, the positioning piece stretches into a narrow environment, the pin shaft and the pin sleeve sequentially pass through a notch of the sleeving groove of the positioning piece and the sleeving groove to be arranged on the pin sleeve in a sleeving mode, then the inserting part is inserted into the inserting groove, the handle is rotated, the inserting part and the positioning piece are driven to rotate around the axis of the pin shaft, and the pin shaft and the pin sleeve are inserted into the inserting groove. The problem that an existing disassembling and assembling tool cannot conveniently and directly disassemble and assemble a guide pin located in a narrow space is solved, meanwhile, after a positioning piece is used for many times, the surface of the positioning piece is seriously abraded, an inserting part and an inserting groove can be disassembled, a new positioning piece can be replaced, it is guaranteed that the surface of the guide pin cannot be damaged, and the device is easy to operate and high in practicability. The guide pin is fast and convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of hand tools, in particular to a guide pin disassembly and assembly device. Background Art

[0002] Guide pins are positioning elements used to determine the relative position and orientation of components and are often used for guidance and support in mechanical systems. For example, in electrical equipment, guide pins are installed on electrical racks.

[0003] At present, many guide pins are still disassembled and assembled using wrenches or other disassembly tools, which can easily cause surface damage to the guide pins. When some guide pins are located in a relatively narrow environment, it is not convenient to use existing disassembly tools to disassemble and assemble the guide pins.

[0004] Therefore, a guide pin disassembly and assembly device is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a guide pin disassembly and assembly device, which is simple to operate, and the guide pin can be quickly and conveniently disassembled without causing damage to the surface of the guide pin during disassembly. Moreover, when the space around the guide pin is limited, the device can also be quickly disassembled and assembled.

[0006] In order to solve the above problems existing in the prior art, the utility model adopts the following technical solutions:

[0007] The guide pin disassembly and assembly device is used for disassembling and assembling the guide pin, wherein the guide pin comprises a pin shaft and a pin sleeve, wherein the pin sleeve is fixedly sleeved on the pin shaft, and the guide pin disassembly and assembly device comprises:

[0008] The positioning member comprises a first end and a second end, wherein the first end is provided with a sleeve groove, and the second end is provided with an insertion groove, wherein the sleeve groove is used for inserting one end of the pin shaft and the pin sleeve, and the pin sleeve can rotate with the positioning member;

[0009] The handle comprises a gripping portion and an inserting portion, wherein the inserting portion is connected to one end of the gripping portion and the inserting portion can be detachably inserted into the inserting slot.

[0010] Preferably, along the axial direction of the positioning member, the depth of the sleeve groove is greater than the distance from the end of the pin shaft to the pin sleeve.

[0011] Preferably, a first guide surface is provided along the circumferential direction at one end of the plug-in portion away from the holding portion, and the first guide surface is used to guide the plug-in portion into the insertion groove.

[0012] Preferably, a second guide surface is provided at the notch of the sleeve groove, and the second guide surface is used to guide the pin shaft and the pin sleeve to enter the sleeve groove.

[0013] Preferably, a third guide surface is provided at the notch of the insertion slot, and the third guide surface is used to guide the plug-in portion to enter the insertion slot.

[0014] Preferably, the plug-in portion is detachably connected to the insertion slot, the cross-sectional shape of the insertion slot is a non-circular structure, and the outer shape of the plug-in portion is the same as the cross-sectional shape of the insertion slot.

[0015] Preferably, the cross-sectional shape of the insertion slot is rectangular.

[0016] Preferably, the guide pin disassembly and assembly device further comprises an elastic portion, one end of which is connected to the outer peripheral surface of the plug-in portion, the inner side wall of the plug-in slot is provided with a groove, and the other end of the elastic portion is clamped in the groove; or

[0017] One end of the elastic part is connected to the inner side wall of the insertion slot, a groove is formed on the outer peripheral surface of the insertion part, and the other end of the elastic part is clamped in the groove.

[0018] Preferably, there are plural grooves and plural elastic parts, and the plural elastic parts are arranged in one-to-one correspondence with the plural grooves.

[0019] Preferably, the gripping portion comprises a middle body and two end heads, the two end heads are respectively connected to two ends of the middle body, and the cross-sectional shape of the middle body is a tapered structure in the direction from the end heads to the middle body.

[0020] The beneficial effects of the utility model are:

[0021] The utility model provides a guide pin disassembly and assembly device, wherein the positioning member includes a first end and a second end, the first end is provided with a sleeve groove for sleeve connection with the guide pin, the sleeve groove is for one end of the pin shaft and the pin sleeve to be inserted, and the pin sleeve can rotate with the positioning member. The handle includes a gripping portion and an inserting portion, the inserting portion is connected to one end of the gripping portion, and the second end of the positioning member is provided with an insertion groove for inserting and fixing with the inserting portion of the handle, so that the inserting portion and the inserting groove are inserted and matched and cannot rotate in the insertion groove. When the space where the guide pin is located is relatively narrow, the positioning member extends into the narrow environment, the pin shaft and the pin sleeve pass through the notch of the sleeve groove of the positioning member in turn, the sleeve groove is sleeved on the pin sleeve, and then the inserting portion is inserted into the insertion groove, the operator grips and rotates the handle, driving the inserting portion and the positioning member to rotate about the axis of the pin shaft, thereby solving the problem that the existing disassembly and assembly tools cannot conveniently disassemble and assemble the guide pin in a narrow space. At the same time, a positioning piece is provided for the guide pin, which replaces the wrench or other disassembly and assembly tools used in the prior art. The handle disassembles and assembles the guide pin through the positioning piece. After the positioning piece is used many times, the surface is seriously worn. The plug-in part and the plug-in slot are detachable. At this time, a new positioning piece needs to be replaced, so as to ensure that the surface of the guide pin is not damaged when the guide pin is disassembled. The device is simple to operate, and the guide pin is quickly and conveniently disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a guide pin in the prior art;

[0023] Figure 2 A schematic diagram of the guide pin disassembly and assembly device provided in the first embodiment of the utility model in use;

[0024] Figure 3 A schematic diagram of the structure of the guide pin disassembly and assembly device provided in the first embodiment of the utility model;

[0025] Figure 4 A schematic diagram of the structure of a handle provided in Embodiment 1 of the present utility model;

[0026] Figure 5 A schematic diagram of the structure of a positioning member provided in Embodiment 1 of the utility model;

[0027] Figure 6 A cross-sectional view of a positioning member provided in Embodiment 1 of the present utility model;

[0028] Figure 7 A side view of the positioning member provided in the first embodiment of the utility model Figure 1 ;

[0029] Figure 8 A side view of the positioning member provided in the first embodiment of the utility model Figure 2 .

[0030] Reference numerals:

[0031] 100, guide pin; 101, pin shaft; 102, pin sleeve; 200, electrical frame;

[0032] 1. Positioning member; 11. First end; 111. Sleeve groove; 12. Second end; 121. Insertion groove;

[0033] 2. handle; 21. gripping part; 211. middle body; 212. end; 22. plug-in part;

[0034] 3. Chamfering;

[0035] 4. a first guide surface;

[0036] 5. A second guide surface;

[0037] 6. The third guide surface;

[0038] 7. Groove. DETAILED DESCRIPTION

[0039] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] Embodiment 1

[0044] like Figure 1-Figure 8 As shown, in this embodiment, the guide pin disassembly and assembly device is used to disassemble and assemble the guide pin 100, the guide pin 100 includes a pin shaft 101 and a pin sleeve 102, the pin sleeve 102 is fixedly sleeved on the pin shaft 101, and the guide pin disassembly and assembly device includes a positioning member 1 and a handle 2. Among them, the positioning member 1 includes a first end 11 and a second end 12, the first end 11 is provided with a sleeve groove 111, and the second end 12 is provided with an insertion groove 121, the sleeve groove 111 is for one end of the pin shaft 101 and the pin sleeve 102 to be inserted, and the pin sleeve 102 can rotate with the positioning member 1. The handle 2 includes a gripping portion 21 and an insertion portion 22, the insertion portion 22 is connected to one end of the gripping portion 21, and the insertion portion 22 can be detachably inserted into the insertion groove 121.

[0045] Specifically, the pin shaft 101 is used to be installed on the electrical rack 200. The positioning member 1 is a cylindrical structure. The first end 11 of the positioning member 1 is provided with a sleeve groove 111 for sleeved with the guide pin 100. The cross-sectional shape of the sleeve groove 111 is the same as the outer shape and structure of the pin sleeve 102 of the guide pin 100. The pin sleeve 102 is designed to be plugged and matched with the sleeve groove 111 and fixed relative to the sleeve groove 111. The second end 12 of the positioning member 1 is provided with an insertion groove 121 for being plugged and fixed with the insertion portion 22 of the handle 2. The insertion portion 22 is plugged and matched with the insertion groove 121 and cannot rotate in the insertion groove 121. When the space where the guide pin 100 is located is relatively narrow, the positioning member 1 extends into the narrow environment, and one end of the pin shaft 101 and the pin sleeve 102 pass through the notch of the sleeve groove 111 of the positioning member 1 in turn. At the same time, the sleeve groove 111 is sleeved on the pin sleeve 102, and then the plug-in portion 22 is inserted into the insertion groove 121. The operator holds and rotates the handle 2, driving the plug-in portion 22 and the positioning member 1 to rotate with the axis of the pin shaft 101, solving the problem that the existing disassembly and assembly tools cannot conveniently directly disassemble and assemble the guide pin 100 in a narrow space. At the same time, a positioning member 1 is provided for the guide pin 100, replacing the wrench or other disassembly and assembly tools used in the prior art. The handle 2 disassembles and assembles the guide pin 100 through the positioning member 1. After the positioning member 1 is used many times, the surface is severely worn. The handle 2 and the positioning member 1 are detachable through the plug-in portion 22 and the insertion groove 212. At this time, a new positioning member 1 needs to be replaced to ensure that the surface of the guide pin 100 will not be damaged when the guide pin 100 is disassembled. Optionally, the handle 2 and the positioning member 1 are designed as an integrated unit, which can maintain an efficient and stable state during the disassembly and assembly operation. When the longitudinal space of the surrounding environment of the handle 2 is limited, that is, when the handle 2 cannot rotate a full circle, the handle 2 can be temporarily removed from the positioning member 1, the plug-in portion 22 is separated from the insertion slot 121, and after adjusting the angle of the grip portion 21, the plug-in portion 22 is reinserted into the insertion slot 121, and then the handle 2 is continued to be rotated until the guide pin 100 is completely disassembled. When the lateral space of the surrounding environment of the handle 2 is limited, there is no need to use the positioning member 1, and only the plug-in portion 22 of the handle 2 is directly fixedly sleeved on one end of the pin shaft 101 and the pin sleeve 102 in sequence, and the operator holds and rotates the handle 2, driving the guide pin 100 to rotate relative to the electrical frame 200, thereby realizing the disassembly of the guide pin 100. Similarly, the guide pin disassembly and assembly device can complete the installation of the guide pin 100 on the electrical frame 200. The device is simple to operate, and the disassembly and assembly of the guide pin 100 is fast and convenient.

[0046] Further, refer to Figure 2, along the axial direction of the positioning member 1, the depth of the sleeve groove 111 is greater than the distance from the end of the pin shaft 101 to the pin sleeve 102. Specifically, the pin sleeve 102 is sleeved from one end of the pin shaft 101 to the middle position of the pin shaft 101, and one end of the pin shaft 101 passes through the notch of the sleeve groove 111, so that the pin sleeve 102 is located in the sleeve groove 111 and is fixed relative to the positioning member 1. The depth of the sleeve groove 111 is very deep to ensure that part of the pin shaft 101 and the pin sleeve 102 of the guide pin 100 can be snap-fitted into the sleeve groove 111, so that it can be applicable to guide pins 100 of various sizes and lengths.

[0047] Further, refer to Figure 3 The gripping portion 21 includes a middle body 211 and two end heads 212. The two end heads 212 are respectively connected to the two ends of the middle body 211. The cross-sectional shape of the middle body 211 is a tapered structure from the end heads 212 to the middle body 211. Specifically, the two end heads 212 of the gripping portion 21 are relatively wide, and the middle body 211 is relatively narrow, that is, thin in the middle and thick at both ends, which is convenient for the operator to hold and is not easy to get loose.

[0048] Further, continue to refer to Figure 3 , the edge of the grip portion 21 is chamfered 3. Specifically, a chamfer 3 is set on a circle of the edge of the grip portion 21 to prevent the operator from causing pressure and pain on the hand during use, improve the comfort of hand grip, and at the same time, the chamfer 3 structure plays an anti-slip role, reducing the occurrence of the handle 2 slipping from the hand.

[0049] Further, refer to Figure 2 and Figure 4 , a first guide surface 4 is provided along the circumferential direction at one end of the plug-in portion 22 away from the gripping portion 21, and the first guide surface 4 is used to guide the plug-in portion 22 into the insertion slot 121. Specifically, along the circumferential direction of the plug-in portion 22, the first guide surface 4 is provided at the end edge of the plug-in portion 22, and the first guide surface 4 is used to guide the plug-in portion 22 into the insertion slot 121. In the process of the plug-in portion 22 being plugged into the insertion slot 121, the first guide surface 4 can play a guiding role, facilitating the plug-in connection between the plug-in portion 22 and the insertion slot 121.

[0050] Further, refer to Figure 2 , Figure 6 and Figure 7, a second guide surface 5 is provided at the notch of the sleeve groove 111, and the second guide surface 5 is used to guide the pin shaft 101 and the pin sleeve 102 to enter the sleeve groove 111. Specifically, the first end portion 11 is provided with a second guide surface 5, and along the circumferential direction of the positioning member 1, the second guide surface 5 is located at the notch of the sleeve groove 111, and is used to guide the pin shaft 101 and the pin sleeve 102 to enter the sleeve groove 111 in sequence. In the process of the positioning member 1 sleeved with the guide pin 100, the second guide surface 5 can play a guiding role, so that the pin shaft 101 and the pin sleeve 102 can smoothly pass through the notch of the sleeve groove 111 and be fixed relative to the sleeve groove 111.

[0051] Further, refer to Figure 2 , Figure 5 , Figure 6 and Figure 8 , a third guide surface 6 is provided at the notch of the insertion slot 121, and the third guide surface 6 is used to guide the plug-in portion 22 into the insertion slot 121. Specifically, the second end portion 12 is provided with a third guide surface 6, and along the circumferential direction of the positioning member 1, the third guide surface 6 is located at the notch of the insertion slot 121, and is used to guide the plug-in portion 22 into the insertion slot 121. In the process of the plug-in portion 22 being plugged into the insertion slot 121, the third guide surface 6 can play a guiding role, so that the plug-in portion 22 can smoothly pass through the notch of the insertion slot 121 and be inserted into the insertion slot 121.

[0052] Further, refer to Figure 4 The plug-in portion 22 and the grip portion 21 are integrally formed. Specifically, the plug-in portion 22 and the grip portion 21 are integrally formed by casting or the like, and the structural strength is high, so that the handle 2 is not easy to break at the connection position between the plug-in portion 22 and the grip portion 21, thereby increasing the service life of the handle 2 and reducing the replacement and maintenance cost of the handle 2.

[0053] Further, refer to Figure 2-Figure 5 , the plug-in portion 22 is detachably connected to the insertion slot 121, the cross-sectional shape of the insertion slot 121 is a non-circular structure, and the outer shape of the plug-in portion 22 is the same as the cross-sectional shape of the insertion slot 121. Specifically, the shape of the insertion slot 121 can be a non-circular structure such as a triangle, a square, an ellipse, a polygon, etc., and the outer shape of the corresponding plug-in portion 22 is a non-cylindrical structure such as a triangular prism, a square body, an elliptical column, a polygon, etc. In this embodiment, the cross-sectional shape of the insertion slot 121 is a rectangle, and the outer shape of the corresponding plug-in portion 22 is a square body. The handle 2 and the positioning member 1 can not only be detachably connected through the cooperation between the plug-in portion 22 and the insertion slot 121, but the handle 2 can also drive the positioning member 1 to rotate and drive the guide pin 100 to rotate.

[0054] Further, refer to Figure 4 and Figure 6The guide pin disassembly and assembly device further includes an elastic part, one end of which is connected to the outer circumference of the plug-in part 22, and a groove 7 is provided on the inner side wall of the insertion slot 121, and the other end of the elastic part is clamped in the groove 7. Specifically, there are multiple grooves 7 and elastic parts, and along the circumferential direction of the positioning member 1, multiple grooves 7 are arranged at intervals on the inner side wall of the insertion slot 121, and multiple elastic parts are arranged one by one corresponding to multiple grooves 7. The plug-in part 22 of the handle 2 is inserted into the insertion slot 121 of the positioning member 1, wherein the plug-in part 22 is located in the insertion slot 121, and multiple elastic parts arranged at intervals on the outer circumference of the plug-in part 22 are respectively abutted against the grooves 7 correspondingly arranged on the inner side wall of the insertion slot 121 under the elastic action, so that the plug-in part 22 can be fixed relative to the insertion slot 121, ensuring that the handle 2 can rotate synchronously with the positioning member 1 in the same direction, thereby realizing the rapid disassembly and assembly of the guide pin 100.

[0055] Embodiment 2

[0056] This embodiment provides a guide pin disassembly and assembly device, which has a structure that is basically the same as that in the first embodiment, except that the specific arrangement positions of the elastic portion and the groove are different.

[0057] In this embodiment, one end of the elastic part is connected to the inner side wall of the insertion slot, a groove is provided on the outer circumferential surface of the insertion part, and the other end of the elastic part is clamped in the groove. Along the circumferential direction of the positioning member, a plurality of grooves are arranged at intervals on the outer circumferential surface of the elastic part, and a plurality of elastic parts are arranged in one-to-one correspondence with a plurality of grooves. The insertion part of the handle is inserted into the insertion slot of the positioning member, wherein the insertion part is located in the insertion slot, and a plurality of elastic parts arranged at intervals on the inner side wall of the insertion slot respectively abut against the grooves corresponding to the outer circumferential surface of the insertion part under the elastic action, so that the insertion part can be fixed relative to the insertion slot, ensuring that the handle can rotate synchronously with the positioning member in the same direction, thereby realizing the rapid disassembly and assembly of the guide pin.

[0058] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A guide pin disassembly and assembly device, used for disassembling and assembling a guide pin (100), wherein the guide pin (100) comprises a pin shaft (101) and a pin sleeve (102), wherein the pin sleeve (102) is fixedly sleeved on the pin shaft (101), and characterized in that: The guide pin disassembly and assembly device comprises: The positioning member (1) comprises a first end (11) and a second end (12), wherein the first end (11) is provided with a sleeve groove (111), and the second end (12) is provided with an insertion groove (121), wherein the sleeve groove (111) is used for inserting one end of the pin shaft (101) and the pin sleeve (102), and the pin sleeve (102) can rotate with the positioning member (1); The handle (2) comprises a gripping portion (21) and an inserting portion (22), wherein the inserting portion (22) is connected to one end of the gripping portion (21), and the inserting portion (22) can be detachably inserted into the inserting slot (121).

2. The guide pin disassembly and assembly device according to claim 1, characterized in that: Along the axial direction of the positioning member (1), the depth of the sleeve groove (111) is greater than the distance from the end of the pin shaft (101) to the pin sleeve (102).

3. The guide pin disassembly and assembly device according to claim 1, characterized in that: A first guide surface (4) is provided along the circumferential direction at one end of the plug-in portion (22) away from the gripping portion (21), and the first guide surface (4) is used to guide the plug-in portion (22) into the insertion slot (121).

4. The guide pin disassembly and assembly device according to claim 1, characterized in that: A second guide surface (5) is provided at the notch of the sleeve groove (111), and the second guide surface (5) is used to guide the pin shaft (101) and the pin sleeve (102) to enter the sleeve groove (111).

5. The guide pin disassembly and assembly device according to claim 1, characterized in that: A third guide surface (6) is provided at the notch of the insertion slot (121), and the third guide surface (6) is used to guide the plug-in portion (22) to enter the insertion slot (121).

6. The guide pin disassembly and assembly device according to claim 1, characterized in that: The plug-in portion (22) is detachably connected to the insertion slot (121); the cross-sectional shape of the insertion slot (121) is a non-circular structure; the outer shape of the plug-in portion (22) is the same as the cross-sectional shape of the insertion slot (121).

7. The guide pin disassembly and assembly device according to claim 1, characterized in that: The cross-sectional shape of the insertion slot (121) is rectangular.

8. The guide pin disassembly and assembly device according to claim 1, characterized in that: The guide pin disassembly and assembly device further comprises an elastic part, one end of which is connected to the outer peripheral surface of the plug-in part (22), the inner side wall of the plug-in slot (121) is provided with a groove (7), and the other end of the elastic part is clamped in the groove (7); or One end of the elastic part is connected to the inner side wall of the insertion groove (121), the outer peripheral surface of the insertion part (22) is provided with a groove (7), and the other end of the elastic part is clamped in the groove (7).

9. The guide pin disassembly and assembly device according to claim 8, characterized in that: There are multiple numbers of the grooves (7) and the elastic parts, and the multiple elastic parts are arranged in a one-to-one correspondence with the multiple grooves (7).

10. The guide pin disassembly and assembly device according to claim 1, characterized in that: The gripping portion (21) comprises a middle body (211) and two end heads (212), wherein the two end heads (212) are respectively connected to two ends of the middle body (211), and in a direction from the end heads (212) to the middle body (211), the cross-sectional shape of the middle body (211) is a tapered structure.

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