CN110153940B

CN110153940B - Assembling tool for outer O-shaped ring and assembling method thereof

Info

Publication number: CN110153940B
Application number: CN201910444463.XA
Authority: CN
Inventors: 刘林海
Original assignee: Wuhan Zhengguang Automobile Equipment Co ltd
Current assignee: Wuhan Zhengguang Automobile Equipment Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2021-09-28
Anticipated expiration: 2039-05-27
Also published as: CN110153940A

Abstract

The invention relates to an assembling tool for an outer O-shaped ring, which comprises a sliding sleeve, a sliding core, an elastic piece and an outer expansion sleeve, wherein the sliding sleeve is fixedly connected with the outer expansion sleeve; the sliding core and the elastic piece are fixed in the sliding sleeve in a sliding mode, the elastic piece is fixedly installed in the sliding sleeve, the elastic piece is fixedly connected with the sliding core, the sliding core is used for being sleeved with an outer O-shaped ring, an outer expansion sleeve is sleeved on the sliding core and has elasticity, the outer expansion sleeve is fixed on the sliding sleeve and abuts against the outer O-shaped ring, and the outer expansion sleeve is used for pushing the outer O-shaped ring to the taper joint. The sliding sleeve is internally provided with the elastic piece, so that the sliding core can be conveniently retracted and reset, and the sliding sleeve is very convenient to use; because outer expansion cover has elasticity for impel outer O type circle to taking the tapering to connect, outer expansion cover takes place to deform and with take the tapering to adapt to the cooperation among the installation, can once accurately impel outer O type circle to accurate position when installing in taking the tapering to connect, outer O type circle can not receive wearing and tearing and life-span greatly prolong, saves artifical, labour saving and time saving greatly.

Description

Assembling tool for outer O-shaped ring and assembling method thereof

Technical Field

The invention relates to the field of machining of mechanical assembly, in particular to an assembling tool for an outer O-shaped ring and an assembling method of the assembling tool.

Background

O-rings (O-rings) are rubber seals with a circular cross-section, and are called O-rings because they have an O-ring cross-section. Beginning in the middle of the 19 th century, it was used as a sealing element for steam engine cylinders. O-rings (O-rings) are rubber seals with a circular cross-section, and are called O-rings because they have an O-ring cross-section. Beginning in the middle of the 19 th century, it was used as a sealing element for steam engine cylinders. The outer O-ring is the outer surface that is installed at the joint.

However, the existing installation method for the outer O-shaped ring generally adopts manual operation directly, is time-consuming and troublesome and is not easy to be put in place at one time, and particularly when the outer O-shaped ring is pushed and installed on a tapered joint, the outer O-shaped ring is abraded and the service life is shortened due to multiple operations; a few assembling tools are complex in structure and inconvenient to use.

Disclosure of Invention

One of the objectives of the present invention is to provide an assembling tool for an outer O-ring, which solves the above technical problems.

The invention also aims to provide an assembling method for installing the outer O-ring by using the assembling tool.

One of the purposes of the invention is realized by adopting the following technical scheme:

an assembly tool for an outer O-shaped ring comprises a sliding sleeve, a sliding core, an elastic piece and an outer expansion sleeve; the sliding core reaches the elastic component all slides and is fixed in the sliding sleeve, the one end fixed mounting of elastic component in the sliding sleeve, the other end of elastic component with the one end fixed connection of sliding core, the other end of sliding core is used for the cover to establish outer O type circle, the cover is equipped with outer expansion cover on the sliding core, outer expansion cover has elasticity, outer expansion cover one end is fixed in the sliding sleeve, the other end of outer expansion cover with outer O type circle offsets for impel outer O type circle to taking taper joint.

When one end of the sliding core, which is used for sleeving the outer O-shaped ring, abuts against the connector piece and continues to push and press, the sliding core retracts into the sliding sleeve, the outer expansion sleeve pushes and installs the outer O-shaped ring to the tapered connector, and the outer expansion sleeve deforms along with the outer expansion sleeve and is matched with the tapered connector in a matching mode in the installation process due to the fact that the outer expansion sleeve is elastic.

The beneficial effects of one of the purposes of the invention are as follows: the invention provides an assembling tool for an outer O-shaped ring, which is simple in structure and ingenious in design and has the following advantages: 1. the sliding core is convenient to retract and reset by arranging the elastic piece in the sliding sleeve, and the use is very convenient; 2. because outer expansion cover has elasticity for advance outer O type circle to take the tapering to connect, in the installation outer expansion cover take place deformation and with take the tapering to connect and suit the cooperation, install and can once accurately advance outer O type circle to accurate position when taking the tapering to connect, outer O type circle can not receive wearing and tearing and life-span and prolong greatly, saves manual work greatly, labour saving and time saving.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, the assembling tool further comprises a bottom connecting piece, one end of the sliding sleeve is fixedly provided with the bottom connecting piece, and one end of the elastic piece is abutted to the bottom connecting piece.

The beneficial effect of adopting the further scheme is that: the bottom connecting piece is fixedly arranged at one end of the sliding sleeve, so that the base of the assembling tool is conveniently sealed, and the stability and the structural strength of the whole structure are enhanced.

Furthermore, the assembling tool further comprises a retainer, one end of the retainer is arranged at one end of the sliding sleeve, the sliding core is fixed in the retainer in a sliding manner, and the outer expansion sleeve is sleeved on the outer surface of the retainer.

The beneficial effect of adopting the further scheme is that: through be equipped with the holder between smooth core and outer expansion cover, be convenient for strengthen overall structure's stability on the one hand, on the other hand is convenient for change the damage part.

Further, the assembly tool further comprises a follow-up ring, the outer expansion sleeve comprises a first expansion sleeve and a second expansion sleeve, the first expansion sleeve and the second expansion sleeve are matched and sleeved on the sliding core, the follow-up ring is close to one end sleeved on the outer expansion sleeve, and the follow-up ring is fixedly connected with the sliding core.

The beneficial effect of adopting the further scheme is that: by designing the outer expanding sleeve into a first expanding sleeve and a second expanding sleeve, the follow-up ring is close to one end sleeved on the outer expanding sleeve, so that the outer expanding sleeve is structurally protected conveniently, and the service life of the outer expanding sleeve is prolonged.

Furthermore, the assembling tool further comprises a pressing plate, and one end of the retainer is fixedly arranged at one end of the sliding sleeve through the pressing plate.

The beneficial effect of adopting the further scheme is that: one end of the retainer is fixedly arranged at one end of the sliding sleeve through the pressing plate, so that the retainer can be conveniently and stably arranged.

Furthermore, a chamfer is arranged at one end of the inner hole of the outer expansion sleeve, which is abutted against the outer O-shaped ring.

The beneficial effect of adopting the further scheme is that: the chamfer angle is arranged at one end, abutted against the outer O-shaped ring, of the inner hole of the outer expansion sleeve, so that the outer expansion sleeve deforms along with the inner hole of the outer expansion sleeve in the installation process, and is better adapted and matched with the tapered joint, and the use is smoother and smoother.

Furthermore, the assembling tool further comprises a bolt, the follow-up ring is fixedly connected with the sliding core through the bolt, a sliding groove for the bolt to pass through is oppositely arranged on the outer expansion sleeve, and the bolt slides up and down in the sliding groove.

Furthermore, a boss is arranged at one end of the sliding core, when the assembling tool is in an initial state, the elastic part is in an extension state, and when the sliding core slides downwards to a limit position, the boss is abutted to the retainer.

Further, the elastic member is a compression spring.

The beneficial effect of adopting the further scheme is that: because this elastic component all is in compression state most of the time, through designing the elastic component for compression spring, can prolong its life.

The second purpose of the invention is realized by adopting the following technical scheme:

an assembling method for an outer O-shaped ring comprises the following steps;

the outer end of the sliding core is sleeved with the outer O-shaped ring and abuts against the outer end of the outer expansion sleeve by using the assembling tool, the outer end of the sliding core is opposite to and abuts against the joint piece and is pressed downwards, when one end, used for being sleeved with the outer O-shaped ring, of the sliding core abuts against the joint piece and continues to push and press, the sliding core applies pressure to the elastic piece and retracts into the sliding sleeve, and the outer expansion sleeve pushes the outer O-shaped ring to be installed on the taper joint.

The second technical scheme of the invention has the beneficial effects that: the assembling method is simple to operate, time-saving and labor-saving when workers are installed, and firm and reliable in one-time use.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of an assembly tool for an outer O-ring according to an embodiment of the invention;

FIG. 2 is a cross-sectional view A-A of the assembly tool for an outer O-ring of FIG. 1 in an initial state;

figure 3 is a cross-sectional view a-a of the assembly tool for an outer O-ring of figure 1 in an installed condition.

In the drawings, the components represented by the respective reference numerals are listed below:

100. an assembly tool; 10. a bottom connector; 20. a sliding sleeve; 30. a holder; 40. pressing a plate; 50. an outer dilating sleeve; 51. a first dilation sleeve; 52. a second dilation sleeve; 60. a bolt; 70. a follower ring; 80. a sliding core; 90. an elastic member; 200. an outer O-ring; 300. a socket member.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-3, which are provided by way of example only to illustrate the present invention and not to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3, the present invention provides an assembly tool for an outer O-ring, wherein the assembly tool 100 comprises a sliding sleeve 20, a sliding core 80, an elastic member 90, an outer expansion sleeve 50; smooth core 80 reaches elastic component 90 all slides and is fixed in the sliding sleeve 20, the one end fixed mounting of elastic component 90 in the sliding sleeve 20, the other end of elastic component 90 with the one end fixed connection of smooth core 80, the other end of smooth core 80 is used for the cover to establish outer O type circle 200, the cover is equipped with outer expansion cover 50 on the smooth core 80, outer expansion cover 50 has elasticity, outer expansion cover 50 one end is fixed in sliding sleeve 20, outer expansion cover 50 the other end with outer O type circle 200 offsets for impel outer O type circle 200 to taking tapering joint piece 300.

When the sliding core 80 is used for abutting one end of the outer O-shaped ring 200 which is sleeved on the sliding core to the connector 300 and continuously pushing, the sliding core 80 retracts into the sliding sleeve 20, the outer expansion sleeve 50 pushes the outer O-shaped ring 200 to be installed on the connector 300 with the taper, and the outer expansion sleeve 50 deforms along with the outer expansion sleeve and is matched with the connector 300 with the taper in the installation process due to the elasticity of the outer expansion sleeve 50.

It will be appreciated that the outer dilating sleeves 50 may be made of plastic or spring steel, among other alternative materials with resilient properties.

The above embodiment provides an assembly tool for an outer O-shaped ring, which has a simple structure and a smart design and has the following advantages: 1. the elastic element 90 is arranged in the sliding sleeve 20, so that the sliding core 80 can be conveniently retracted and reset, and the use is very convenient; 2. because outer expansion cover 50 has elasticity for impel outer O type circle 200 to taking tapering joint spare 300, in the installation outer expansion cover 50 takes place to deform and with take tapering joint spare 300 to suit the cooperation, can once accurately impel outer O type circle 200 to accurate position when installing in taking tapering joint, outer O type circle can not receive wearing and tearing and life-span extension greatly, saves artifical, labour saving and time saving greatly.

Further, the assembling tool 100 further comprises a bottom connecting member 10, the bottom connecting member 10 is fixedly mounted at one end of the sliding sleeve 20, and one end of the elastic member 90 abuts against the bottom connecting member 10.

The bottom connecting piece 10 is fixedly arranged at one end of the sliding sleeve 20, so that the base of the assembling tool is conveniently encapsulated, and the attractiveness, stability and structural strength of the whole structure are enhanced.

Further, the assembly tool 100 further includes a retainer 30, one end of the retainer 30 is mounted on one end of the sliding sleeve 20, the sliding core 80 is fixed in the retainer 30 in a sliding manner, and the outer expansion sleeve 50 is sleeved on the outer surface of the retainer 30. Cage 30 — ensuring the concentricity of the up and down movement of slide core 80.

By providing the cage 30 between the slide core 80 and the outer expansion sleeve 50, on the one hand, it is convenient to enhance the stability of the overall structure and, on the other hand, to facilitate the replacement of damaged parts.

Further, the assembly tool 100 further includes a follower ring 70, the outer expanding sleeve 50 includes a first expanding sleeve 51 and a second expanding sleeve 52, the first expanding sleeve 51 and the second expanding sleeve 52 are engaged and sleeve the sliding core 80, the follower ring 70 is sleeved near one end of the outer expanding sleeve 50, and the follower ring 70 is fixedly connected to the sliding core 80. The outer expanding sleeve 50 is tightened when the follower ring 70 grips the outer O-ring 200 so that the outer expanding sleeve 50 can be pressed against the outer O-ring 200 when the outer O-ring 200 is fitted to the joint; the outer O-ring 200 helps the outer expanding sleeve 50 to tighten after assembly, which increases the life of the outer expanding sleeve 50.

By designing the outer expanding sleeve 50 as the first expanding sleeve 51 and the second expanding sleeve 52, the follower ring 70 is sleeved on one end of the outer expanding sleeve 50, so that the outer expanding sleeve 50 is structurally protected and the service life of the outer expanding sleeve is prolonged.

It is understood that the first and

second expansion sleeves

51, 52 may be designed as long cylinders with a semicircular cross section.

Further, the assembly tool 100 further comprises a pressing plate 40, and one end of the retainer 30 is fixedly mounted on one end of the sliding sleeve 20 through the pressing plate 40.

One end of the retainer 30 is fixedly mounted at one end of the sliding sleeve 20 through the pressing plate 40, so that the retainer 30 is conveniently and stably mounted.

Further, a chamfer is arranged at one end of the inner hole of the outer expanding sleeve 50, which is abutted against the outer O-shaped ring 200.

The chamfer is arranged at one end, abutted against the outer O-shaped ring 200, of the inner hole of the outer expansion sleeve 50, so that the outer expansion sleeve 50 deforms along with the inner hole and is matched with the tapered joint piece 300 in a better adaptive mode in the installation process, and the use is smoother and smoother.

Further, the assembly tool 100 further includes a bolt 60, the following ring 70 is fixedly connected to the sliding core 80 through the bolt 60, a sliding slot for the bolt 60 to pass through is relatively arranged on the outer expanding sleeve 50, and the bolt 60 slides up and down in the sliding slot.

Further, a boss is provided at one end of the slide core 80, when the assembly tool 100 is in an initial state, the elastic member 90 is in an extended state, and when the slide core 80 slides downward to a limit position, the boss abuts against the holder 30.

Further, the elastic member 90 is a compression spring.

Since the elastic member 90 is in a compressed state most of the time, its useful life can be extended by designing the elastic member 90 as a compression spring.

It is understood that the resilient member 90 may be an extension spring, a gas spring, or other alternative components, in addition to a compression spring.

The invention provides an assembling method for an outer O-shaped ring, which comprises the following steps of;

using the assembling tool, the outer end of the sliding core 80 is sleeved with the outer O-ring 200 and abuts against the outer end of the outer expansion sleeve 50, the outer end of the sliding core 80 is opposite to and abuts against the joint 300, the sliding core 80 presses the elastic member 90 and retracts into the sliding sleeve 20 when the sliding core 80 is used for abutting against the joint 300 and continuously pushing and pressing one end of the outer O-ring 200, which is sleeved with the sliding core 80, and the outer expansion sleeve 50 pushes and installs the outer O-ring 200 to the tapered joint 300. The assembling method is simple to operate, time-saving and labor-saving when workers are installed, and firm and reliable in one-time use.

The specific working principle and the using method of the invention are as follows: in the initial free state of the assembly tool 100, the slide core 80 is pushed to the lower limit position by the elastic member 90, and the head of the slide core 80 is exposed out of the head of the outer expanding sleeve 50. The follower ring 70 is integrally fixed to the slide core 80 by the latch 60. The follower ring 70 also tightens the outer expandable sleeve 50 lowermost. When the material is taken, the diameter of the sliding core 80 is larger than the inner diameter of the outer O-shaped ring 200, so that the sliding core 80 is sleeved with the sliding core and the sliding core cannot fall off, and the outer O-shaped ring 200 can be grabbed.

During the downward movement of the assembly tool 100 when the slide core 80 moves to the upper end face of the joint, the following ring 70 and the slide core 80 contact the joint, and the rest of the parts and the outer O-ring 200 are stopped from moving downward under the thrust. The outer O-ring 200 and the outer expansion sleeve 50 are slowly spread along the outer edge of the joint, and the outer expansion sleeve 50 can always push the outer O-ring 200 to move forward. Finally, after the servo movement or the limit movement, the outer O-ring 200 is pushed into the designated slot. During the process of removing the assembly tool 100 from the socket 300. The elastic member 90 pushes the slide core 80 and the follower ring 70 to move downward to gather the outer sheath 50, so that the life of the outer sheath 50 is prolonged.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An assembly tool for an outer O-ring, characterized in that the assembly tool (100) comprises a sliding sleeve (20), a sliding core (80), an elastic member (90), an outer expansion sleeve (50);

the sliding core (80) and the elastic piece (90) are both fixed in the sliding sleeve (20) in a sliding mode, one end of the elastic piece (90) is fixedly installed in the sliding sleeve (20), the other end of the elastic piece (90) is fixedly connected with one end of the sliding core (80), the other end of the sliding core (80) is used for being sleeved with an outer O-shaped ring (200), an outer expansion sleeve (50) is sleeved on the sliding core (80), the outer expansion sleeve (50) has elasticity, one end of the outer expansion sleeve (50) is fixed on the sliding sleeve (20), and the other end of the outer expansion sleeve (50) abuts against the outer O-shaped ring (200);

the assembling tool (100) further comprises a follow-up ring (70), the outer expansion sleeve (50) comprises a first expansion sleeve (51) and a second expansion sleeve (52), the first expansion sleeve (51) and the second expansion sleeve (52) are matched and sleeved on the sliding core (80), the follow-up ring (70) is sleeved at one end of the outer expansion sleeve (50), and the follow-up ring (70) is fixedly connected with the sliding core (80);

the assembling tool (100) further comprises a retainer (30), and one end of the retainer (30) is installed at one end of the sliding sleeve (20);

one end of the sliding core (80) is provided with a boss, when the assembling tool (100) is in an initial state, the elastic part (90) is in an extension state, and when the sliding core (80) slides downwards to a limit position, the boss is abutted against the retainer (30).

2. The assembly tool for the outer O-ring according to claim 1, wherein the assembly tool (100) further comprises a bottom connecting piece (10), one end of the sliding sleeve (20) is fixedly provided with the bottom connecting piece (10), and one end of the elastic piece (90) is abutted to the bottom connecting piece (10).

3. The assembly tool for the outer O-ring as recited in claim 1, wherein one end of the retainer (30) is mounted to one end of the sliding sleeve (20), the sliding core (80) is slidably fixed in the retainer (30), and the outer expansion sleeve (50) is sleeved on the outer surface of the retainer (30).

4. The assembly tool for an outer O-ring according to claim 3, wherein the assembly tool (100) further comprises a pressure plate (40), and one end of the retainer (30) is fixedly mounted to one end of the sliding sleeve (20) through the pressure plate (40).

5. An assembling tool for an outer O-ring according to claim 1, characterized in that the end of the inner bore of the outer expansion sleeve (50) which abuts against the outer O-ring (200) is chamfered.

6. The assembling tool for the outer O-ring according to claim 1, wherein the assembling tool (100) further comprises a plug pin (60), the follow-up ring (70) is fixedly connected with the sliding core (80) through the plug pin (60), a sliding groove for the plug pin (60) to pass through is oppositely arranged on the outer expansion sleeve (50), and the plug pin (60) slides up and down in the sliding groove.

7. An assembly tool for an outer O-ring according to claim 1, wherein the resilient member (90) is a compression spring.

8. An assembling method for an outer O-shaped ring is characterized by comprising the following steps;

the assembling tool is used for sleeving the outer O-ring (200) on the outer end of the sliding core (80) and abutting against the outer end of the outer expansion sleeve (50), the outer end of the sliding core (80) is opposite to and abutted against the joint piece (300) and is pressed downwards, when one end, used for sleeving the outer O-ring (200), of the sliding core (80) abuts against the joint piece (300) and is pushed continuously, the sliding core (80) presses the elastic piece (90) and retracts into the sliding sleeve (20), and the outer expansion sleeve (50) pushes and installs the outer O-ring (200) on the joint piece (300).