Positioning shaft convenient to install

Abstract

The utility model relates to the technical field of positioning shafts, in particular to a positioning shaft convenient to install. According to the technical scheme, the positioning shaft comprises a positioning shaft body, a cavity is formed in the positioning shaft body, and a rotationally-arranged adjusting assembly is installed in the cavity; a mounting groove penetrating through the end of the positioning shaft body is formed in the top of the cavity, the adjusting assembly comprises a connecting block mounted in the mounting groove, a fixing rod is fixedly connected to the bottom of the connecting block, a connecting plate is fixedly connected to the end, away from the connecting block, of the fixing rod, and a plurality of limiting rods are rotatably mounted on the lower surface of the connecting plate; and one end of each limiting rod is fixedly connected with an arc-shaped plate, and limiting holes allowing the limiting rods to penetrate through are formed in the side wall of the cavity in an array mode. The positioning shaft is high in adaptability, the equipment replacement and maintenance cost is reduced, the mounting and dismounting process of the positioning shaft is optimized, the operation convenience is improved, the downtime is shortened, the production efficiency is improved, and the compatibility of the positioning shaft is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning shaft technical field especially positioning shaft convenient to install. BACKGROUND

[0002] In the assembly and operation process of mechanical equipment, the positioning shaft plays a key role in positioning and supporting. However, the existing positioning shaft often has many inconveniences in the installation process. For example, the traditional positioning shaft is usually installed in the mounting hole of the equipment by interference fit or key connection. When interference fit is installed, a large assembly force is required, which not only makes installation difficult, but also easily causes damage to the surface of the positioning shaft and the mounting hole. Moreover, when disassembly and maintenance are required subsequently, the disassembly process is also extremely difficult, and even the positioning shaft or other parts of the equipment may be damaged. Although the key connection method is convenient for installation and disassembly to some extent, the matching precision between the key and the keyway is relatively high, the processing cost is increased, and in the long-term use process, the key is prone to looseness, which affects the positioning accuracy of the positioning shaft and further affects the operation stability of the entire equipment. In addition, in some occasions where the positioning shaft needs to be quickly replaced or the installation efficiency is required to be high, the existing positioning shaft installation method is difficult to meet the demand, and some positioning shafts lack compatibility when dealing with different specifications of matching parts, which cannot meet the diversified production demand, resulting in long downtime of the equipment and low production efficiency. Therefore, a positioning shaft with high compatibility and adaptability to different installation requirements is designed. SUMMARY

[0003] The utility model discloses a kind of positioning shafts with high compatibility and adaptability to different installation requirements to solve the problems in the background art.

[0004] The technical scheme of the utility model: positioning shaft convenient to install, including positioning shaft main part, the cavity is set in the positioning shaft main part, the adjusting assembly of rotation setting is installed in the cavity;

[0005] The top of the cavity is provided with the installation slot that penetrates the end of the positioning shaft main body, the adjusting assembly includes the connecting block installed in the installation slot, the bottom of the connecting block is fixedly connected with fixed link, the end of the fixed link away from the connecting block is fixedly connected with connecting plate, the lower surface of the connecting plate is rotatably installed with multiple groups of limit rods, one end of the limit rod is fixedly connected with arc plate, the side wall of the cavity is arrayed and provided with limit hole for the limit rod to be arranged through.

[0006] Optionally, the limit hole is provided with an arc groove close to the end of the outer surface of the positioning shaft main body, and the arc plate is adaptively installed with the arc groove.

[0007] The outer arc surface of the arc plate is provided with a plurality of anti-skid strips.

[0008] Optionally, a rotating connection groove for corresponding clamping of a screwdriver is arranged on the connecting block, and a plurality of positioning holes are arranged on the outer ring of the connecting block along the circumferential direction.

[0009] Optionally, a mounting groove is arranged on one side of the mounting groove and located inside the end face of the positioning shaft body, a spring is fixedly connected to the inner wall of the mounting groove, and a positioning rod is fixedly connected to one end of the spring.

[0010] The positioning rod is in an "L" shape structure, and one end of the positioning rod is clamped in the positioning hole.

[0011] Optionally, a connecting rod is rotatably connected to one end of each of the plurality of limiting rods, and the connecting rod is rotatably connected to the lower surface of the connecting plate through a connecting bolt.

[0012] Optionally, a connecting through hole is arranged between the cavity and the mounting groove, and the diameter of the connecting block is greater than the inner diameter of the connecting through hole.

[0013] Compared with the prior art, the utility model has the following beneficial technical effects:

[0014] The utility model discloses a rotating connecting block realizes the rotation of the fixed rod, and when the connecting plate rotates, the plurality of limiting rods connected to the bottom of the connecting plate are limited and pushed under the limiting and guiding of the limiting hole and the arc-shaped groove, so that the arc-shaped plate is protrudingly arranged, and then the assembly of the positioning shaft body of the larger hole diameter is adapted, thereby improving the versatility of the positioning shaft, and the positioning shaft can be adapted to various specifications of the matching components.

[0015] The positioning shaft has high adaptability, reduces equipment replacement and maintenance cost, optimizes the installation and disassembly process of the positioning shaft, improves operation convenience, reduces downtime, improves production efficiency and improves the compatibility of the positioning shaft. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a three-dimensional structure schematic diagram is given to the utility model;

[0017] Figure 2 It is the sectional view schematic diagram of the positioning shaft body in the utility model;

[0018] Figure 3 The utility model discloses a local structure sectional view schematic diagram is given to the utility model;

[0019] Figure 4 It is the schematic diagram of the adjusting assembly.

[0020] REFERENCE SIGNS:

[0021] 1, positioning shaft body;11, cavity;12, limiting hole;13, arc-shaped groove;14, mounting groove;15, mounting groove;

[0022] 2, adjusting assembly; 21, connecting block; 22, positioning hole; 23, positioning rod; 24, spring; 25, rotating connection groove; 26, fixed rod; 27, connecting plate; 28, connecting rod; 29, limiting rod; 210, arc plate; 211, anti-skid strip. DETAILED DESCRIPTION

[0023] The technical solutions of the present disclosure will be described clearly and completely below in combination with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all the embodiments.

[0024] The components of the embodiments of the present disclosure generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed present disclosure, but only represents selected embodiments of the present disclosure.

[0025] Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present disclosure.

[0026] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present disclosure.

[0027] In the description of the present disclosure, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0028] Embodiments

[0029] As Figure 1 shown, the positioning shaft convenient to install provided by the utility model, including positioning shaft main part 1, be provided with cavity 11 in positioning shaft main part 1, be installed with the adjusting assembly 2 of rotation setting in cavity 11;

[0030] As Figure 2As shown, the top of the cavity 11 is provided with an installation slot 14 penetrating the end of the positioning shaft body 1, the adjusting assembly 2 includes a connecting block 21 installed in the installation slot 14, a connecting through hole is provided between the cavity 11 and the installation slot 14, and the diameter of the connecting block 21 is greater than the inner diameter of the connecting through hole. The connecting through hole is used to stably arrange the connecting block 21 in the installation slot 14, and ensures that it can be stably installed and rotated;

[0031] As shown in Figure 3 , a rotating connecting groove 25 for corresponding clamping of a screwdriver is provided on the connecting block 21, and a plurality of positioning holes 22 are arranged on the outer circle of the connecting block 21 along the circumference thereof; one side of the installation slot 14 is also provided with an installation slot 15 located inside the end face of the positioning shaft body 1, the inner wall of the installation slot 15 is fixedly connected with a spring 24, one end of the spring 24 is fixedly connected with a positioning rod 23, the positioning rod 23 is in the shape of "L", and one end of the positioning rod 23 is clamped to correspond to the positioning hole 22, and the positioning rod 23 is arranged to lock the position of the connecting block 21 after rotation adjustment;

[0032] As shown in Figure 3 and Figure 4 , the bottom of the connecting block 21 is fixedly connected with a fixed rod 26, one end of the fixed rod 26 away from the connecting block 21 is fixedly connected with a connecting plate 27, a plurality of limiting rods 29 are rotatably installed on the lower surface of the connecting plate 27, one end of each of the plurality of limiting rods 29 is rotatably connected with a connecting rod 28, the connecting rod 28 away from the limiting rod 29 is rotatably connected with the lower surface of the connecting plate 27 through a connecting bolt, one end of the limiting rod 29 is fixedly connected with an arc-shaped plate 210, an arc-shaped groove 13 is provided on the outer surface end of the positioning shaft body 1, the arc-shaped plate 210 is fittedly installed in the arc-shaped groove 13, a plurality of anti-skid strips 211 are provided on the outer arc surface of the arc-shaped plate 210, and a plurality of limiting holes 12 are arranged on the side wall of the cavity 11 and are penetrated by the limiting rods 29.

[0033] In this embodiment, after the positioning shaft body 1 is installed in the corresponding matching part, if the installation position is loose, the adjusting assembly 2 is driven to rotate, so that the installation of the positioning shaft body 1 and the matching part is more firm and tight. First, the screwdriver is rotated to correspond to the position of the rotating connecting groove 25, the positioning rod 23 is pushed, one end of the positioning rod 23 is separated from the installation of the positioning hole 22, the screwdriver is counterclockwise rotated, the connecting block 21, the fixed rod 26 and the connecting plate 27 are synchronously counterclockwise rotated, the arc-shaped plate 210 is horizontally pushed under the limiting action of the limiting rod 29, the arc-shaped groove 13 and the installation slot 14, the anti-skid strips 211 are arranged on the outer surface of the positioning shaft body 1, the outer surface of the positioning shaft body 1 is clamped with the connecting position, and the connecting friction of the positioning shaft is increased by the arrangement of the anti-skid strips 211, thereby improving the stability of the assembly and installation.

[0034] The above specific embodiments are only optional embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A locating shaft for easy installation comprising a locating shaft body (1), characterized in that, The positioning shaft body (1) is provided with a cavity (11) in it, and a rotationally arranged adjusting assembly (2) is installed in the cavity (11); A mounting groove (14) penetrating through the end of the positioning shaft body (1) is formed at the top of the cavity (11), the adjusting assembly (2) comprises a connecting block (21) installed in the mounting groove (14), the bottom of the connecting block (21) is fixedly connected with a fixed rod (26), one end of the fixed rod (26) away from the connecting block (21) is fixedly connected with a connecting plate (27), a plurality of limiting rods (29) are rotationally installed on the lower surface of the connecting plate (27), one end of the limiting rod (29) is fixedly connected with an arc-shaped plate (210), and a plurality of limiting holes (12) are arrayed and formed in the side wall of the cavity (11) for penetrating through the limiting rod (29).

2. The easy-to-install positioning axle of claim 1, wherein, An arc-shaped groove (13) is formed at the end of the outer surface of the positioning shaft body (1) close to the limiting hole (12), and the arc-shaped plate (210) is adaptively installed in the arc-shaped groove (13). A plurality of anti-skid strips (211) are arranged on the outer arc surface of the arc-shaped plate (210).

3. The easy-to-install positioning axle of claim 1, wherein, A rotationally connecting groove (25) for corresponding clamping of a screwdriver is formed in the connecting block (21), and a plurality of positioning holes (22) are arrayed and formed in the outer ring of the connecting block (21) along the circumferential direction.

4. The easy-to-install positioning axle of claim 3, wherein, A mounting groove (15) located in the inner side of the end face of the positioning shaft body (1) is further formed on one side of the mounting groove (14), a spring (24) is fixedly connected to the inner wall of the mounting groove (15), and one end of the spring (24) is fixedly connected with a positioning rod (23). The positioning rod (23) is in "L" shape, and one end of the positioning rod (23) is correspondingly clamped in the positioning hole (22).

5. The easy-to-install positioning shaft of claim 1, wherein, One end of each of the plurality of limiting rods (29) is rotationally connected with a connecting rod (28), and the connecting rod (28) is rotationally connected to the lower surface of the connecting plate (27) through a connecting bolt at the end away from the limiting rod (29).

6. The easy-to-install positioning shaft of claim 1, wherein, A connecting through hole is formed between the cavity (11) and the mounting groove (14), and the diameter of the connecting block (21) is greater than the inner diameter of the connecting through hole.

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