Pin mounting tool

Abstract

The utility model relates to a pin installation tool which comprises an installation block and an angular positioning piece, the installation block is provided with an insertion hole used for being communicated with a pin hole in a stepped shaft in a penetrating mode, the hole wall of the insertion hole is used for abutting against the radial side of a pin, one end of the angular positioning piece is connected to one side of the installation block, and the other end of the angular positioning piece is connected to the other side of the installation block. The other end of the angular positioning piece is used for being inserted into a key groove in the stepped shaft, and the side face of the other end of the angular positioning piece is used for abutting against the groove wall of the key groove. According to the utility model, the perpendicularity when the pin is pressed in the pin hole of the stepped shaft can be ensured, and the generation of pin burrs is reduced.

Description

Technical Field

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

[0002] The main function of the pin is to locate and fix. It can help to accurately determine the position of the object and keep it stable. The verticality of the pin relative to the installation surface and the extension length of the pin will affect the assembly of the next level of parts.

[0003] Reference Figure 6 There is a stepped shaft 1, and a pin hole 11 and a keyway 12 are spaced apart at the shaft end. The pin hole 11 is close to the shoulder of the stepped shaft 1 relative to the keyway 12, and the keyway 12 is a long strip groove, and the groove length direction extends along the axial direction of the stepped shaft 1, and the keyway 12 is close to the end of the stepped shaft 1.

[0004] In the prior art, when installing a pin in a pin hole of a stepped shaft, manual labor is usually used to ensure the verticality of the pin during installation. However, manual labor cannot completely ensure the verticality, which causes burrs to appear when the pin is pressed into the pin hole. Utility Model Content

[0005] The utility model provides a pin installation tool, which can ensure the verticality when the pin is pressed into the pin hole of a stepped shaft and reduce the generation of pin burrs.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A pin installation tool comprises a mounting block and an angular positioning piece, wherein the mounting block is penetrated by a socket for connecting to a pin hole on a stepped shaft, the hole wall of the socket is used to abut against the radial side of the pin, one end of the angular positioning piece is connected to one side of the mounting block, and the other end is used to be inserted into a keyway on the stepped shaft, and the side surface of the other end of the angular positioning piece is used to abut against the groove wall of the keyway.

[0008] The beneficial effect of the utility model is that when installing the pin, the installation block and the angular positioning piece can be placed on the stepped shaft at the same time, so that the other end of the angular positioning piece is inserted into the keyway and abuts against the groove wall of the keyway, so that the insertion hole and the pin hole are connected with the central axis, and then the pin is placed in the insertion hole, and force is applied to the pin by a tool until the installation work is completed; during the entire installation process, the guidance of the insertion hole is utilized to ensure the verticality of the pin when it is pressed into the pin hole of the stepped shaft, thereby reducing the generation of pin burrs.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the angular positioning member includes an angular positioning plate, a positioning block and at least one first screw, the angular positioning plate is connected to one side of the mounting block via the first screw, one end of the positioning block is fixedly connected to the lower side of the angular positioning plate, and the other end of the positioning block is used to be inserted into the keyway and to abut against the groove wall of the keyway.

[0011] The beneficial effect of adopting the above further solution is that when installing the pin, the other end of the positioning block is inserted into the keyway and abuts against the groove wall of the keyway, and under the connection of the first screw, the position of the installation block is limited.

[0012] Furthermore, the two opposite sides of the positioning block are respectively used to abut against two opposite groove walls of the key groove, and the two groove walls are arranged along the radial direction of the stepped shaft.

[0013] The beneficial effect of adopting the above further solution is that, under the connection of the first screw, a limiting effect on the movement of the mounting block along the radial direction of the stepped shaft is achieved.

[0014] Furthermore, the side wall of the positioning block is also used to abut against the slot wall of the key slot close to and / or away from the pin hole.

[0015] The beneficial effect of adopting the above further solution is that, under the connection of the first screw, the mounting block is prevented from moving along the axial direction of the stepped shaft.

[0016] Furthermore, the mounting block is provided with a first groove for abutting against the side surface of the stepped shaft.

[0017] The beneficial effect of adopting the above further solution is that when the mounting block is placed on the stepped shaft, the groove wall of the first groove is attached to the groove wall of the stepped shaft to reduce the movement of the mounting block.

[0018] Furthermore, an axial positioning piece is connected to the other side of the mounting block, and the axial positioning piece is used to abut against a shoulder of the stepped shaft.

[0019] The beneficial effect of adopting the above further solution is that the axial positioning member can quickly limit the movement of the mounting block along the axial direction of the stepped shaft.

[0020] Furthermore, the axial positioning member includes an axial positioning piece and at least one second screw, and the second screw is connected to the axial positioning piece and the mounting block at the same time.

[0021] The beneficial effect of adopting the above further solution is: the installation of the axial positioning piece is achieved by the second screw, so that the axial positioning piece is used to quickly limit the movement of the installation block along the axial direction of the stepped shaft.

[0022] Furthermore, the axial positioning piece is provided with a second groove for abutting against the side surface of the stepped shaft.

[0023] The beneficial effect of adopting the above further solution is that when the axial positioning piece is placed on the stepped shaft, the groove wall of the second groove is attached to the groove wall of the stepped shaft to reduce the movement of the axial positioning piece.

[0024] Furthermore, the socket is provided with a hammer.

[0025] The beneficial effect of adopting the above further scheme is: when applying force to the pin for installation work, the pin can be inserted into the socket first, and then the hammer is placed in the socket, and force is applied to the hammer to achieve the installation of the pin, and the damage to the pin is reduced through the buffering of the hammer.

[0026] Furthermore, the cross-sectional dimension of one end of the hammer is smaller than the cross-sectional dimension of the other end, and the cross-sectional dimension of the other end is larger than the dimension of the socket.

[0027] The beneficial effect of adopting the above further scheme is that when in use, the smaller end of the hammer is inserted into the socket, and force is applied to the larger end, and the larger end can abut against the mounting block to prevent the pin from being over-hit by the hammer. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an axonometric view of the mounting block of the utility model;

[0029] Figure 2 It is an exploded view of the angular positioning member of the utility model;

[0030] Figure 3 It is an exploded view of the axial positioning member of the utility model;

[0031] Figure 4 This is an axonometric diagram of the first embodiment of the hammer of the utility model;

[0032] Figure 5 It is an axonometric diagram of the second scheme of the hammer of the utility model;

[0033] Figure 6 It is an axonometric drawing of a stepped shaft in the related technology.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Stepped shaft; 11. Pin hole; 12. Keyway;

[0036] 2. Mounting block; 21. Insertion hole; 22. First groove; 23. First threaded hole; 24. Second threaded hole;

[0037] 3. angular positioning member; 31. angular positioning sheet; 32. positioning block; 33. first screw;

[0038] 4. Axial positioning member; 41. Axial positioning sheet; 411. Second groove; 42. Second screw;

[0039] 5. Hammer;

[0040] 6. Gasket. DETAILED DESCRIPTION

[0041] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0042] Example 1

[0043] like Figure 1 and Figure 2 A pin installation tool comprises a mounting block 2 and an angular positioning member 3. The mounting block 2 is penetrated by a socket 21 for connecting to a pin hole 11 on a stepped shaft 1. The hole wall of the socket 21 is used to abut against the radial side of the pin. One end of the angular positioning member 3 is connected to one side of the mounting block 2, and the other end is used to be inserted into a keyway 12 on the stepped shaft 1, and the other end side surface of the angular positioning member 3 is used to abut against the groove wall of the keyway 12.

[0044] The beneficial effect of this embodiment is that when installing the pin, the mounting block 2 and the angular positioning piece 3 can be placed on the stepped shaft 1 at the same time, so that the other end of the angular positioning piece 3 is inserted into the keyway 12 and abuts against the groove wall of the keyway 12, so that the insertion hole 21 and the pin hole 11 are connected with the central axis, and then the pin is placed in the insertion hole 21, and force is applied to the pin by a tool until the installation work is completed; during the entire installation process, the guidance of the insertion hole 21 is used to ensure the verticality of the pin when it is pressed into the pin hole 11 of the stepped shaft 1, thereby reducing the generation of pin burrs.

[0045] As a specific solution of the above embodiment, the insertion hole 21 can be a circular hole, the hole wall of which is used to abut against the radial side of the pin. The insertion hole 21 can also be a polygonal hole, and when the pin is placed in the insertion hole 21, the insertion hole 21 forms multiple contact lines with the side of the pin.

[0046] Specifically, the mounting block 2 and the angular positioning member 3 can both be made of 45 steel.

[0047] Example 2

[0048] like Figure 1 and Figure 2On the basis of Example 1, the angular positioning member 3 includes an angular positioning piece 31, a positioning block 32 and at least one first screw 33. The angular positioning piece 31 is connected to one side of the mounting block 2 through the first screw 33. One end of the positioning block 32 is fixedly connected to the lower side of the angular positioning piece 31. The other end of the positioning block 32 is used to insert into the keyway 12 and to abut against the groove wall of the keyway 12.

[0049] The beneficial effect of adopting the preferred solution in the above embodiment is that when installing the pin, the other end of the positioning block 32 is inserted into the keyway 12 and abuts against the groove wall of the keyway 12, and under the connection of the first screw 33, the position of the installation block 2 is limited.

[0050] Furthermore, there are no less than two first screws 33, and may be two, three, four, five, etc., so as to ensure the stability of the angular positioning piece 31 relative to the mounting block 2 without rotation through the connection of multiple first screws 33.

[0051] Specifically, screw holes are formed through the angular positioning piece 31 , and first threaded holes 23 matching the number of the first screws 33 are formed on one side of the mounting block 2 for threaded connection of the first screws 33 , thereby achieving connection between the angular positioning piece 31 and the mounting block 2 .

[0052] Furthermore, the screw hole of the angular positioning piece 31 is a countersunk hole.

[0053] Example 3

[0054] like Figure 1 and Figure 2 On the basis of embodiments 1 and 2, the two opposite sides of the positioning block 32 are respectively used to abut against two opposite groove walls of the key groove 12 , and the two groove walls are arranged along the radial direction of the stepped shaft 1 .

[0055] The beneficial effect of adopting the preferred solution in the above embodiment is that, under the connection of the first screw 33 , the limiting effect on the movement of the mounting block 2 along the radial direction of the stepped shaft 1 is achieved.

[0056] Example 4

[0057] like Figure 1 and Figure 2 On the basis of embodiments 1-3, the side wall of the positioning block 32 is also used to abut against the groove wall of the key groove 12 close to and / or away from the pin hole 11.

[0058] The beneficial effect of adopting the preferred solution in the above embodiment is that, under the connection of the first screw 33 , the mounting block 2 is prevented from moving along the axial direction of the stepped shaft 1 .

[0059] Example 5

[0060] like Figure 1 and Figure 2 On the basis of embodiments 1-4, the mounting block 2 is provided with a first groove 22 for abutting against the side surface of the stepped shaft 1 .

[0061] The beneficial effect of adopting the preferred solution in the above embodiment is that when the mounting block 2 is placed on the stepped shaft 1 , the groove wall of the first groove 22 is attached to the groove wall of the stepped shaft 1 to reduce the movement of the mounting block 2 .

[0062] As one of the specific solutions of the above embodiment, the first groove 22 is an arc-shaped groove so as to form surface contact when it is attached to the outer wall of the stepped shaft 1.

[0063] As a second specific solution of the above embodiment, the first groove 22 is a polygonal groove so as to form a plurality of line contacts when the mounting block 2 is placed on the stepped shaft 1 .

[0064] Example 6

[0065] like Figure 1 and Figure 3 On the basis of embodiments 1-5, an axial positioning member 4 is connected to the other side of the mounting block 2 , and the axial positioning member 4 is used to abut against the shoulder of the stepped shaft 1 .

[0066] The beneficial effect of adopting the preferred solution in the above embodiment is that the axial positioning member 4 can quickly achieve the limiting effect on the movement of the mounting block 2 along the axial direction of the stepped shaft 1.

[0067] The axial positioning member 4 can be made of yellow steel.

[0068] Example 7

[0069] like Figure 1 and Figure 3 On the basis of embodiments 1-6, the axial positioning member 4 includes an axial positioning piece 41 and at least one second screw 42 , and the second screw 42 is connected to the axial positioning piece 41 and the mounting block 2 at the same time.

[0070] The beneficial effect of adopting the preferred solution in the above embodiment is that the axial positioning piece 41 is installed by the second screw 42 , so that the axial positioning piece 41 can be used to quickly limit the movement of the mounting block 2 along the axial direction of the stepped shaft 1 .

[0071] Furthermore, there are no less than two second screws 42, and may be two, three, four, five, etc., so as to ensure the stability of the axial positioning piece 41 relative to the mounting block 2 without rotation through the connection of multiple second screws 42.

[0072] Specifically, a screw hole is formed through the axial positioning piece 41 , and a second threaded hole 24 matching the number of the second screws 42 is formed on the other side of the mounting block 2 for threaded connection of the second screws 42 , thereby achieving connection between the axial positioning piece 41 and the mounting block 2 .

[0073] Furthermore, the screw hole of the axial positioning piece 41 is a countersunk hole to prevent the axial positioning piece 41 from being unable to form an abutment with the shoulder of the stepped shaft 1 due to the protrusion of the head of the second screw 42 when the axial positioning piece 41 abuts against the shoulder of the stepped shaft 1. As a parallel solution, when the axial positioning piece 41 abuts against the shoulder of the stepped shaft 1, the screw hole of the axial positioning piece 41 is higher than the shoulder to form an avoidance.

[0074] Example 8

[0075] like Figure 1 and Figure 3 On the basis of embodiments 1-7, the axial positioning piece 41 is provided with a second groove 411 for abutting against the side surface of the stepped shaft 1 .

[0076] The beneficial effect of adopting the preferred solution in the above embodiment is that when the axial positioning piece 41 is placed on the stepped shaft 1 , the groove wall of the second groove 411 is attached to the groove wall of the stepped shaft 1 to reduce the movement of the axial positioning piece 41 .

[0077] As one of the specific solutions of the above embodiment, the second groove 411 is an arc-shaped groove so as to form surface contact when attached to the outer wall of the stepped shaft 1 .

[0078] As a second specific solution of the above embodiment, the second groove 411 is a polygonal groove so as to form a plurality of line contacts when the mounting block 2 is placed on the stepped shaft 1 .

[0079] Example 9

[0080] like Figure 1 and Figure 4 On the basis of Embodiments 1-8, a hammer 5 is inserted into the socket 21.

[0081] The beneficial effect of adopting the preferred scheme in the above embodiment is that when applying force to the pin for installation work, the pin can be first inserted into the hole 21, and then the hammer 5 is placed in the hole 21, and force is applied to the hammer 5 to achieve the installation of the pin, and the damage to the pin is reduced by the buffering of the hammer 5.

[0082] As a specific solution of the above embodiment, the cross-sectional dimension of the end of the hammer 5 that abuts against the pin is not larger than the aperture of the socket 21, that is, the cross-sectional dimension of the end of the hammer 5 that abuts against the pin can be circular or polygonal.

[0083] Example 10

[0084] like Figure 1 and Figure 4 Based on Examples 1-9, the cross-sectional dimension of one end of the hammer 5 is smaller than the cross-sectional dimension of the other end, and the cross-sectional dimension of the other end is larger than the dimension of the socket 21.

[0085] The beneficial effect of adopting the preferred scheme in the above embodiment is that when in use, the smaller end of the hammer 5 is inserted into the socket 21, and force is applied to the larger end. The larger end can abut against the mounting block 2 to prevent the hammer 5 from over-hitting the pin.

[0086] Reference Figure 5 Furthermore, a gasket 6 is sleeved on the end of the hammer 5 with a smaller cross-sectional dimension to form a buffering effect.

[0087] Furthermore, the gasket 6 is threadedly connected to the hammer 5, so that before installing the pin, by adjusting the position of the threaded connection of the gasket 6, when the pin is installed in place, the gasket 6 can contact the mounting block 2, forming a reminder that the pin is installed in place, and at the same time has a limiting function to prevent the pin from being over-hit.

[0088] Furthermore, a scale is provided at the end of the hammer 5 with a smaller cross-sectional dimension so as to understand the progress of the pin installation.

[0089] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0090] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0091] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0092] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0093] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0094] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A pin installation tool, characterized in that: The invention comprises a mounting block (2) and an angular positioning member (3); the mounting block (2) is provided with a plug hole (21) for connecting with a pin hole (11) on a stepped shaft (1); the hole wall of the plug hole (21) is used to abut against the radial side of the pin; one end of the angular positioning member (3) is connected to one side of the mounting block (2); the other end is used to be inserted into a keyway (12) on the stepped shaft (1); and the side surface of the other end of the angular positioning member (3) is used to abut against the groove wall of the keyway (12).

2. A pin installation tool according to claim 1, characterized in that: The angular positioning member (3) comprises an angular positioning piece (31), a positioning block (32) and at least one first screw (33); the angular positioning piece (31) is connected to one side of the mounting block (2) via the first screw (33); one end of the positioning block (32) is fixedly connected to the lower side of the angular positioning piece (31); the other end of the positioning block (32) is used for inserting into the keyway (12) and for abutting against the groove wall of the keyway (12).

3. A pin installation tool according to claim 2, characterized in that: The two opposite sides of the positioning block (32) are respectively used to abut against two opposite groove walls of the key groove (12), and the two groove walls are arranged along the radial direction of the stepped shaft (1).

4. A pin installation tool according to claim 3, characterized in that: The side wall of the positioning block (32) is also used to abut against the groove wall of the key groove (12) close to and / or away from the pin hole (11).

5. The pin installation tool according to claim 1, characterized in that: The mounting block (2) is provided with a first groove (22) for abutting against the side surface of the stepped shaft (1).

6. The pin installation tool according to claim 1, characterized in that: The other side of the mounting block (2) is connected to an axial positioning member (4), and the axial positioning member (4) is used to abut against the shoulder of the stepped shaft (1).

7. A pin installation tool according to claim 6, characterized in that: The axial positioning member (4) comprises an axial positioning piece (41) and at least one second screw (42), wherein the second screw (42) is simultaneously connected to the axial positioning piece (41) and the mounting block (2).

8. A pin installation tool according to claim 7, characterized in that: The axial positioning piece (41) is provided with a second groove (411) for abutting against the side surface of the stepped shaft (1).

9. The pin installation tool according to claim 1, characterized in that: The socket (21) is provided with a hammer (5).

10. A pin installation tool according to claim 9, characterized in that: The cross-sectional dimension of one end of the hammer (5) is smaller than the cross-sectional dimension of the other end, and the cross-sectional dimension of the other end is larger than the dimension of the insertion hole (21).

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