A portable bushing installation device

Abstract

The application discloses a portable bushing mounting device, which comprises a bushing pipe, a movable sleeve pipe is sleeved on the bushing pipe, a plurality of limiting grooves are formed in the bushing pipe, and the movable sleeve pipe is in sliding connection with the limiting grooves; a fixing assembly for fixing a bushing is arranged in the limiting groove, the fixing assembly comprises a stop spring piece, one end of the stop spring piece is fixedly connected with the movable sleeve pipe, and the other end of the stop spring piece is hung on the bushing; a second spring is arranged between the movable sleeve pipe and the bushing pipe, the movable sleeve pipe is in sliding connection with the limiting groove and simultaneously extrudes the second spring, the stop spring piece is separated from the bushing, the first spring extrudes the bushing, and the bushing is separated from the bushing pipe; compared with the prior art, the embodiment of the application has the advantages of simple structure, convenient carrying, guaranteeing the installation quantity of the bushing during mold injection, avoiding damage of the mold injection mold caused by too much or too little bushing, and improving the final quality of the product.

Description

TECHNICAL FIELD

[0001] The present application relates to a mounting device, in particular to a portable bush mounting device. BACKGROUND

[0002] The bush refers to a ring-shaped part for cushioning, which is applied to the hole shaft matching of various mechanical structures. The existing bush is generally made of high-hardness and wear-resistant material such as 30CrMnSi, and the main structure matched with the bush is generally made of aluminum alloy material. The aluminum alloy material has low density, but its wear resistance is not high, and it is easy to wear. After wearing, it is difficult and costly to replace. Therefore, after the bush is installed, the bush plays the role of a wear part. During the production of the bush, it needs to be installed in a mold for embedded injection molding. The size of the bush is 10*4 mm. When workers grab it by hand, they often grab too much and then throw away the extra grabbed ones, leaving only one needed one. This has the following problems: too much grabbing can easily fall into the mold cavity and not be found, and the bush is often pressed into the mold, thereby increasing the mold maintenance cost. The bush needs to be placed in a paper box for taking, which is relatively troublesome to use. SUMMARY

[0003] The purpose of the present application is to provide a portable bush mounting device, which is convenient to carry, ensures the installation quantity of the bush during mold injection molding, avoids the damage of mold injection molding caused by too much or too little taking, and affects the final quality of the finished product.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a portable bush mounting device, comprising a bush pipe, a first spring and a plurality of bushes are arranged in the bush pipe, and the first spring extrudes the bushes outward from the bush pipe; an activity sleeve pipe is sleeved on the bush pipe, a plurality of limiting grooves are formed on the bush pipe, and the activity sleeve pipe slides along the limiting grooves;

[0005] A fixing assembly for fixing the bush is arranged in the activity sleeve pipe, the fixing assembly comprises a stop spring piece, one end of the stop spring piece is fixedly connected with the activity sleeve pipe, the other end of the stop spring piece hooks the bush, a second spring is arranged between the activity sleeve pipe and the bush pipe, the activity sleeve pipe extrudes the second spring while sliding along the limiting grooves, the stop spring piece is separated from the bush, the first spring extrudes the bush, and the bush is extruded out of the bush pipe.

[0006] Preferably, the inlet end of the bush pipe is provided with a cover, the cover is provided with a protruding block 3, the outer diameter of the protruding block is smaller than the inner diameter of the bush pipe, and the protruding block on the cover extends into the inner wall of the bush pipe.

[0007] Preferably, one end of the first spring is connected with the protruding block on the cover, and the other end of the first spring abuts against the bush.

[0008] Preferably, the fixing assembly further comprises a bolt, which is connected with the movable sleeve after penetrating the stop spring and is limited in the limiting groove.

[0009] Preferably, the stop spring is in a strip shape, and the end of the stop spring is provided with a protrusion, and the stop spring is hung on the bushing through the protrusion.

[0010] Preferably, a plurality of stop springs are arranged in the movable sleeve, and the stop springs are distributed in an annular array around the movable sleeve.

[0011] Preferably, the movable sleeve and the bushing pipe are provided with through grooves for the stop spring to penetrate, and the length of the through groove of the movable sleeve is greater than the length of the through groove of the bushing pipe.

[0012] Preferably, the length of the limiting groove is equal to the length of the bushing.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows: the first spring is arranged in the bushing pipe to extrude the bushing out of the bushing pipe; the movable sleeve is arranged on the bushing pipe, a plurality of limiting grooves are arranged on the bushing pipe, and the movable sleeve is in sliding connection with the limiting grooves; the fixing assembly for limiting the displacement of the bushing in the bushing pipe is arranged in the limiting groove, the fixing assembly comprises a stop spring, one end of the stop spring is fixedly connected with the movable sleeve, and the other end is hooked on the bushing; the second spring is arranged between the movable sleeve and the bushing pipe, the movable sleeve extrudes the second spring while sliding along the limiting groove, the stop spring is separated from the bushing, the first spring extrudes the bushing, and the bushing is separated from the bushing pipe; compared with the prior art, the bushing can be sequentially put into the bushing pipe, only the bushing pipe needs to be pressed downward, the movable sleeve slides upward along the limiting groove at the same time, the stop spring is separated from the bushing, the structure is simple, the carrying is convenient, the installation number of the bushing during mold injection is ensured, the mold is prevented from being damaged due to too many or too few bushings, and the final quality of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structure schematic view of a portable bushing installation device provided by the embodiment of the present application;

[0015] Fig. 2 is a sectional view of a portable bushing installation device provided by the embodiment of the present application;

[0016] Fig. 3 is a structure schematic view of a fixing assembly provided by the embodiment of the present application;

[0017] In the figure: 1 - cover; 2 - bushing pipe; 3 - protrusion; 4 - first spring; 5 - bushing; 6 - second spring; 7 - movable sleeve; 8 - bolt; 9 - stop spring; 10 - limiting groove; 11 - protrusion. DETAILED DESCRIPTION

[0018] The application will be further described below with reference to the drawings. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.

[0019] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] As Figs. 1-2 shown, the embodiment of the present application provides a portable bushing mounting device, which comprises a bushing pipe 2, the inlet end of the bushing pipe 2 is provided with a cover 1, the cross section of the cover 1 is T-shaped; the cover 1 is provided with a protrusion 3, the outer diameter of the protrusion 3 is smaller than the inner diameter of the bushing pipe 2, the protrusion 3 on the cover 1 extends into the inner wall of the bushing pipe 2, the protrusion 3 is arranged to facilitate the cover 1 to extend into the inner wall of the bushing pipe 2; the bushing pipe 2 is provided with a first spring 4 and a plurality of bushings 5, the bushings 5 are sequentially arranged in the bushing pipe 2; one end of the first spring 4 is connected with the protrusion 3, the other end abuts against the bushing 5, the first spring 4 is pressed, the first spring 4 extrudes the bushing 5 out of the bushing pipe 2;

[0022] As Fig. 3 shown, the sleeve pipe 2 is sleeved with a movable sleeve 7, the movable sleeve 7 and the sleeve pipe 2 are in sliding connection; a plurality of limiting grooves 10 are formed in the pipe wall of the end section of the sleeve pipe 2, in the embodiment, the number of the limiting grooves 10 is four, a plurality of fixing assemblies for fixing the bushings 5 are arranged on the movable sleeve 7, the fixing assemblies include stop springs 9 and bolts 8, the stop springs 9 are provided with protrusions 11 for hooking the bushings 5; the movable sleeve 7 slides along the limiting grooves 10, the bolts 8 are connected with the movable sleeve 7 after penetrating through the stop springs 9 and are limited in the limiting grooves 10;

[0023] Further, a plurality of stop springs 9 are arranged in the movable sleeve 7, the stop springs 9 are distributed in an annular array around the movable sleeve 7; the stop springs 9 are in the shape of long strips, one end of the stop spring 9 is fixedly connected with the movable sleeve 7, the other end is hooked with the bushing 5 through the protrusion 11 to fix the bushing 5 in the sleeve pipe 2; the movable sleeve 7 and the sleeve pipe 2 are provided with through grooves for the stop springs 9 to pass through, the length of the through groove of the movable sleeve 7 is greater than that of the sleeve pipe 2; the second spring 6 is arranged between the movable sleeve 7 and the sleeve pipe 2, the movable sleeve 7 extrudes the second spring 6 while sliding along the limiting groove 10, the second spring 6 is contracted, at this time, the force of the stop spring 9 is dispersed to both sides, the stop spring 9 is separated from the bushing 5, the protrusion 11 on the stop spring 9 is separated from the outer edge of the bushing 5; the bushing 5 is extruded out of the sleeve pipe 2 under the extrusion of the first spring 4; the length of the limiting groove 10 is equal to the length of the bushing 5, and one bushing 5 is extruded out of the sleeve pipe 2 every time the sleeve pipe 2 is pressed.

[0024] Compared with the prior art, the embodiment of the application can orderly put the bushings into the sleeve pipe 2, only need to press the sleeve pipe 2 downward, the movable sleeve 7 slides upward along the limiting groove 10 at the same time, the stop spring 9 is separated from the bushing 5, the structure is simple, convenient to carry, ensures the installation number of the bushings during mold injection, avoids the damage of the mold injection mold caused by too many or too few bushings, and improves the final quality of the product.

[0025] The working principle and use method of the portable bushing installation device are as follows: when the device is used, the sleeve pipe 2 is pressed, the first spring 4 extrudes the bushing 5, the movable sleeve 7 slides upward along the limiting groove 10, the movable sleeve 7 extrudes the second spring 6, the second spring 6 is contracted, at this time, the force of the stop spring 9 is dispersed to both sides, the bushing 5 is separated from the stop spring under the elastic force of the first spring 4 in the sleeve pipe 2, the stop spring 9 is separated from the bushing 5, at the same time, the protrusion 11 on the stop spring 9 is separated from the outer edge of the bushing 5; the bushing 5 is extruded out of the sleeve pipe 2 under the extrusion of the first spring 4.

[0026] The above description is only the preferred embodiment of the present application, it should be pointed out that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and variations can be made, which should be considered as the protection scope of the present application.

Claims

1. A portable bushing mounting device, characterized in that, Includes a bushing tube (2), inside which is provided a first spring (4) and multiple bushings (5), the first spring (4) presses the bushings (5) outward from the bushing tube (2); a movable sleeve (7) is fitted on the bushing tube (2), and multiple limiting grooves (10) are opened on the bushing tube (2), the movable sleeve (7) slides along the limiting grooves (10); The movable sleeve (7) is provided with a fixing component for fixing the bushing (5). The fixing component includes a stop spring (9), one end of which is fixedly connected to the movable sleeve (7), and the other end is hooked to the bushing (5). The fixing component also includes a bolt (8), which passes through the stop spring (9) and is connected to the movable sleeve (7), and is confined within the limiting groove (10). The stop spring (9) is elongated, and a protrusion (11) is provided at the end of the stop spring (9). The stop spring (9) is hooked to the bushing (5) through the protrusion (11). The length of the limiting groove (10) is equal to the length of the bushing (5). A second spring (6) is provided between the movable sleeve (7) and the bushing (2). The movable sleeve (7) slides along the limiting groove (10) while squeezing the second spring (6). The stop spring (9) separates from the bushing (5). The first spring (4) squeezes the bushing (5), and the bushing (5) comes out of the bushing (2). When the bushing tube (2) is pressed, the first spring (4) squeezes the bushing (5), the movable sleeve (7) slides upward along the limiting groove (10), the movable sleeve (7) squeezes the second spring (6), the second spring (6) contracts, at this time, the force of the stop spring (9) is dispersed to both sides, the bushing (5) is subjected to the elastic force of the first spring (4) in the bushing tube (2), and completely disengages from the stop spring, the stop spring (9) separates from the bushing (5), at the same time, the protrusion (11) on the stop spring (9) disengages from the outer edge of the bushing (5); the bushing (5) is squeezed out of the bushing tube (2) by the first spring (4).

2. The portable bushing mounting device according to claim 1, characterized in that, The inlet end of the bushing tube (2) is provided with a cover (1), and the cover (1) is provided with a protrusion (3). The outer diameter of the protrusion (3) is smaller than the inner diameter of the bushing tube (2), and the protrusion (3) on the cover (1) extends into the inner wall of the bushing tube (2).

3. The portable bushing mounting device according to claim 2, characterized in that, One end of the first spring (4) is connected to the protrusion (3) on the cover (1), and the other end abuts against the bushing (5).

4. The portable bushing mounting device according to claim 1, characterized in that, The movable sleeve (7) is provided with a plurality of stop springs (9), which are arranged in a ring array around the movable sleeve (7).

5. A portable bushing mounting device according to claim 1 or claim 4, characterized in that, The movable sleeve (7) and the bushing (2) are provided with through grooves for the stop spring (9) to pass through, and the length of the through groove of the movable sleeve (7) is greater than the length of the through groove of the bushing (2).

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