Manual installation device for sealing ring

Abstract

The present invention discloses a manual installation device for a sealing ring, which includes an annular installation body, a driving component, and a sealing ring sleeving component; the sealing ring sleeving component includes a plurality of link mechanisms connected end to end. The driving component has a force application part. The link mechanism includes rotating rods and connecting rods that are circumferentially spaced apart. A first point of the rotating rod is rotatably installed on the annular installation body, a second point of the rotating rod is slidably arranged on the connecting rod of the previous adjacent link mechanism, a third point of the rotating rod is hinged to the connecting rod of the next adjacent link mechanism, and an installation post is provided at the end of the rotating rod. A plurality of installation posts are used to sleevethe sealing ring, and the end of the rotating rod of any one link mechanism close to the outer edge of the annular installation body is displaceably connected with the force application part. By driving a rotating rod to rotate through the driving component, the link mechanisms connected end to end are driven to rotate synchronously to uniformly expand the sealing ring, with low structural complexity and not easily causing local deformation of the sealing ring.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing ring installation equipment, and particularly to a manual sealing ring installation device. Background Art

[0002] A sealing ring is a commonly used part that can achieve a tight combination of two connecting components and is applied to many products such as mechanical equipment, automotive parts, household appliances, toys, etc. The installation quality of the sealing ring is an important indicator for judging the product performance, but the installation of the sealing ring is rather cumbersome.

[0003] The traditional installation method is manual installation, which has low installation efficiency and is prone to causing local distortion and deformation of the sealing ring, resulting in potential safety hazards. At present, some machines dedicated to installing sealing rings have emerged on the market, but they generally have complex structures and low installation accuracy. Summary of the Invention

[0004] In view of the above analysis, the manual sealing ring installation device proposed by the present invention is to solve the deficiencies of the prior art.

[0005] The present invention is mainly realized through the following technical solutions:

[0006] The manual sealing ring installation device provided by the present invention includes an annular installation body, a driving component, and a sealing ring sleeving component installed on the annular installation body.

[0007] The sealing ring sleeving component includes a plurality of link mechanisms arranged circumferentially and connected end to end. The driving component has a force application part that applies a horizontal force to any one of the link mechanisms to make it rotate. The link mechanism includes rotating rods and connecting rods distributed at intervals circumferentially. The first point of the rotating rod is rotatably installed on the annular installation body. The second point of the rotating rod is slidably arranged on the second end of the connecting rod of the previous adjacent link mechanism. The third point of the rotating rod is hinged to the first end of the connecting rod of the next adjacent link mechanism. An installation column is provided at the end of the rotating rod close to the inner edge of the annular installation body. A plurality of the installation columns are used to sleeved the sealing ring. The end of the rotating rod of any one of the link mechanisms close to the outer edge of the annular installation body is displaceably connected with the force application part in cooperation.

[0008] Further, it further includes a pressing component. The pressing component is provided with a pressing part close to the installation column, and the pressing part is arranged close to the inner edge of the annular installation body.

[0009] Further, the pressing component includes an annular pressing body. The annular pressing body and the link mechanism are respectively located on both sides of the annular installation body. The annular pressing body is slidably installed on the annular installation body. The pressing part passes through the annular installation body and is distributed at intervals circumferentially on the annular pressing body.

[0010] Furthermore, the pressing component further includes an elastic member disposed between the annular mounting body and the annular pressing body.

[0011] Furthermore, the elastic member is a spring, and the pressing component further includes a spring column movably disposed between the annular mounting body and the annular pressing body, and the spring is sleeved on the spring column.

[0012] Furthermore, a rotating column is vertically provided on the rotating rod correspondingly connected to the force application portion.

[0013] Furthermore, the driving component includes a linkage plate, a linkage block and a connecting rod. The first end of the linkage plate is hinged to the annular mounting body. One end of the linkage block is hinged to the middle of the linkage plate, and the other end of the linkage block is hinged to the connecting rod. An adjusting frame inclined and intersecting with the annular mounting body is provided on the connecting rod as the force application portion. An adjusting hole is provided on the adjusting frame, and the rotating column is slidably mounted in the adjusting hole.

[0014] Furthermore, a guide sleeve is mounted on the annular mounting body, and the guide sleeve is sleeved on the connecting rod.

[0015] Furthermore, an annular protection plate is further included, and the link mechanism is disposed between the annular mounting body and the annular protection plate.

[0016] Furthermore, the first point, the second point and the third point of the rotating rod are sequentially arranged from the outer edge to the inner edge of the annular mounting body, and the three points are collinear.

[0017] The beneficial effects of the technical solution of the present invention compared with the prior art are as follows:

[0018] The manual installation device for the sealing ring provided by the present invention drives a rotating rod to rotate through the driving component, so as to drive the link mechanism connected end to end to rotate synchronously, and further enables the circumferentially arranged mounting columns to move synchronously, realizing uniform expansion of the sealing ring, and adapting to different-sized installation environments by adjusting the telescopic diameter of the sealing ring. The structure complexity is low, the operation is convenient, the installation efficiency is high, and the situation of local deformation of the sealing ring is not likely to occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 is a perspective view of the operating handle in the first position in the manual installation device for the sealing ring provided by the embodiment of the present invention;

[0021] Figure 2 is Figure 1 Stereogram of removing the annular protection plate;

[0022] Figure 3 is a side view of the operating handle in the second position when installing the sealing ring on the manual sealing ring installation device provided by the embodiment of the present invention;

[0023] Figure 4 is Figure 2 Bottom view of removing the annular protection plate;

[0024] Figure 5 is a schematic structural diagram of the manual sealing ring installation device provided by the embodiment of the present invention sleeved on the shaft of the sealing ring to be assembled;

[0025] Figure 6 is Figure 5 Schematic structural diagram after pressing the annular pressing body;

[0026] Figure 7 is a schematic structural diagram of the drive assembly provided by the embodiment of the present invention.

[0027] The reference numerals are as follows:

[0028] 1. Annular installation body, 1a. Slot, 11. Installation plate, 2. Drive assembly, 21. Linkage plate, 22. Linkage block, 23. Connecting rod, 24. Adjusting frame, 24a. Adjusting hole, 25. Guide sleeve, 26. Positioning seat, 27. Operating handle, 3. Sealing ring sleeve assembly, 31. Linkage mechanism, 32. Rotating rod, 32a. First point, 32b. Second point, 32c. Third point, 321. Extension part, 33. Connecting rod, 33a. Second end part, 33b. First end part, 34. Installation column, 35. Rotating column, 4. Pressing assembly, 41. Annular pressing body, 411. Pressing part, 42. Elastic member, 43. Spring column, 5. Annular protection plate, 6. Holding part, 7. Sealing ring, 8. Shaft, 9. Positioning magnet. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the present invention and thus more clearly define the scope of protection required by the present invention, the present invention will be described in detail below with reference to certain specific embodiments of the present invention. It should be noted that the following are only some specific embodiments of the concept of the present invention and only a part of the embodiments of the present invention. The specific and direct descriptions of the relevant structures are only for the convenience of understanding the present invention, and each specific feature does not of course and directly limit the scope of implementation of the present invention. Conventional selections and substitutions made by those skilled in the art under the guidance of the concept of the present invention should be regarded as within the scope of protection required by the present invention.

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] As Figures 1-4 shown, the present invention provides a manual installation device for a sealing ring, including an annular installation body 1, and a driving component 2 and a sealing ring sleeving component 3 installed on the annular installation body 1.

[0032] The sealing ring sleeving component 3 includes a plurality of link mechanisms 31 arranged circumferentially and connected end to end. The driving component 2 has a force-applying part that applies a horizontal force to any one of the link mechanisms 31 to make it rotate. The link mechanism 31 includes rotating rods 32 and connecting rods 33 distributed at intervals circumferentially. The first point 32a of the rotating rod 32 is rotatably installed on the annular installation body 1. The second point 32b of the rotating rod 32 is slidably arranged on the second end 33a of the connecting rod 33 of the previous adjacent link mechanism 31. The third point 32c of the rotating rod 32 is hinged to the first end 33b of the connecting rod 33 of the next adjacent link mechanism 31. An installation column 34 is provided at the end of the rotating rod 32 close to the inner edge of the annular installation body 1. A plurality of installation columns 34 are used to sleeved the sealing ring 7. The end of the rotating rod 32 of any one of the link mechanisms 31 close to the outer edge of the annular installation body 1 is displaceably connected with the force-applying part in cooperation. The driving component 2 and the link mechanism 31 are relatively installed on the upper and lower sides of the annular installation body 1.

[0033] Specifically, a holding part 6 is provided on the annular installation body 1. It is convenient to carry the manual installation device for the sealing ring when installing the sealing ring 7.

[0034] Preferably, the holding part 6 is relatively arranged outside the annular pressing body 41.

[0035] Specifically, the first point 32a, the second point 32b and the third point 32c of the rotating rod 32 are arranged in sequence from the outer edge to the inner edge of the annular installation body 1, and the three points are collinear. Among them, the central axis of the rotating column 35 and the central axis of the installation column 34 are both collinear with the connection line between the first point 32a, the second point 32b and the third point 32c.

[0036] Preferably, a sliding hole is provided at the second end 33a of the connecting rod 33, and a sliding shaft is provided at the second point 32b of the rotating rod 32. The sliding shaft is slidably arranged in the sliding hole. The sliding hole guides the moving direction of the rotating rod 32.

[0037] To ensure uniform force application to the sealing ring 7 and ensure the installation accuracy, preferably, a pressing component 4 is further included. The pressing component 4 is provided with a pressing part 411 close to the installation column 34, and the pressing part 411 is close to the inner edge of the annular installation body 1.

[0038] Specifically, the pressing assembly 4 includes an annular pressing body 41. The annular pressing body 41 and the link mechanism 31 are respectively located on both sides of the annular mounting body 1. The annular pressing body 41 is slidably mounted on the annular mounting body 1. The pressing portions 411 are arranged through the annular mounting body 1 and are circumferentially spaced apart on the annular pressing body 41. Among them, the annular pressing body 41 is located above the annular mounting body 1.

[0039] The pressing force is evenly distributed to each pressing portion 411 through the annular pressing body 41, and the operation is convenient. Only a relatively small force is required to separate the sealing ring 7 from the mounting post 34.

[0040] Preferably, a slot 1a for the downward extension of the pressing portion 411 is formed in the inner edge of the annular mounting body 1 along the circumferential direction.

[0041] Specifically, the pressing assembly 4 further includes an elastic member 42, and the elastic member 42 is arranged between the annular mounting body 1 and the annular pressing body 41.

[0042] Preferably, the elastic member 42 is a spring. The pressing assembly 4 further includes a spring post 43. The spring post 43 is movably arranged between the annular mounting body 1 and the annular pressing body 41, and the spring is sleeved on the spring post 43.

[0043] Specifically, a rotating column 35 is vertically arranged on the rotating rod 32 corresponding to the force application portion.

[0044] Preferably, an extension portion 321 is arranged on the rotating rod 32, and the rotating column 35 is arranged on the extension portion 321.

[0045] As Figure 7 shown, preferably, the driving assembly 2 includes a linkage plate 21, a linkage block 22 and a connecting rod 23. The first end of the linkage plate 22 is hinged to the annular mounting body 1. One end of the linkage block 22 is hinged to the middle of the linkage plate 21. The other end of the linkage block 21 is hinged to the connecting rod 23. An adjusting frame 24 inclined and intersecting with the annular mounting body 1 is arranged on the connecting rod 23 as the force application portion. An adjusting hole 24a is arranged in the length direction of the adjusting frame 24, and the rotating column 35 is slidably mounted in the adjusting hole 24a.

[0046] Make full use of the stroke of the linkage block 22 to fully exert the driving force of the linkage block 22, which is relatively labor-saving and can avoid the position of the adjusting frame 24 from moving.

[0047] Specifically, a guide sleeve 25 is mounted on the annular mounting body 1, and the guide sleeve 25 is sleeved on the connecting rod 23.

[0048] Preferably, the central axis of the connecting rod 23 is located directly above the outer tangent of the corresponding position of the connecting rod 23 and the annular mounting body 1, and the connecting rod 23 is perpendicular to the length direction of the adjusting frame 24.

[0049] Specifically, the driving component 2 further includes a positioning seat 26 and an operating handle 27. An installation plate 11 is installed on the annular installation body 1. The positioning seat 26 is fixed on the installation plate 11. The guide sleeve 25 is installed at one end of the positioning seat 26. The linkage plate 21 is hinged at the other end of the positioning seat 25. The operating handle 27 is fixed on the second end of the linkage plate 21.

[0050] Preferably, the linkage block 22 is bent towards the connecting rod 23. So that the connection lines between the fixed point of the operating handle 27, the hinge point of the linkage block 22 and the linkage plate 21, and the hinge point of the linkage plate 21 and the positioning seat 26 form a triangle.

[0051] When the operating handle 27 is adjusted to the second position, that is, when the operating handle 27 is close to the vertical state, the diameter of the circle formed by the plurality of circumferentially arranged mounting posts 34 is the smallest, and the sealing ring 7 can be installed; when the operating handle 27 is adjusted to the first position and the distance between the linkage block 22 and the guide sleeve 25 gradually becomes closer, the diameter of the circle formed by the plurality of circumferentially arranged mounting posts 34 gradually becomes larger, and the sealing ring 7 can be gradually expanded; when the operating handle 27 is adjusted to the third position (not shown in the figure) and the distance between the linkage block 22 and the guide sleeve 25 gradually becomes farther, the diameter of the circle formed by the plurality of circumferentially arranged mounting posts 34 gradually becomes larger, and the sealing ring 7 can also be gradually expanded.

[0052] Different scales can be set on the connecting rod 23 according to needs to correspond to different diameters of the expanded sealing ring 7, so as to meet the needs of different sizes of sealing ring installation environments, improve the convenience of using the device, avoid the situation of over-expanding or insufficient expansion of the sealing ring 7, and expand the applicable range of the installation device.

[0053] Preferably, it further includes an annular protection plate 5. The linkage mechanism 31 is arranged between the annular installation body 1 and the annular protection plate 5.

[0054] The working principle of the sealing ring manual installation device provided by the present invention is as follows: Place the sealing ring 7 on a plane. The mounting posts 34 arranged circumferentially on the sealing ring manual installation device are placed inside the sealing ring 7. Press down the operating handle 27 and adjust it from the second position to the first position. The linkage plate 21 pulls the linkage block 22 to drive the connecting rod 23. Under the limiting action of the guide sleeve 25, the adjusting frame 24 moves horizontally forward. The rotating column 35 slides close to the annular pressing body 41 in the adjusting hole 24a to Figure 1Rotate a certain angle in the clockwise direction. The rotating rod 32 connected to the rotating column 35 rotates along the first point 32a, driving the mounting column 34 to rotate towards the outer ring of the annular mounting body 1. At the same time, it pushes the sliding hole on the connecting rod 33 of the next link mechanism 31 at the third point 32c of the rotating rod 32 to move along the corresponding second point 32b of the rotating rod 32. It also simultaneously pulls the connecting rod 33 of the previous link mechanism 31 at the second point 32b of the rotating rod 32, driving the rotating rod 32 of the same link mechanism 31 to rotate by the same angle. Then, the rotating rod 32 of the previous link mechanism 31 pulls the connecting rod 33 of the upper previous link mechanism 31, and so on, causing multiple link mechanisms 31 to act clockwise until the connecting rod 33 of the next link mechanism 31 drives the rotating rod 32 of the same link mechanism 31 to rotate by the same angle. Since both connecting rods 33 on the first rotating rod 32 rotate simultaneously during the rotation of the first rotating rod 32, and by analogy, the other two rotating rods 32 connected to the connecting rod 33 also rotate synchronously. Therefore, the simultaneous linkage of the link mechanism 31 is completed, realizing the synchronous movement of the mounting columns 34 on the rotating rod 32, increasing the diameter of the circumference formed by the circumferentially distributed mounting columns 34 to expand and support the sealing ring 7.

[0055] As Figures 5-6 shown, when installing the sealing ring 7 ( Figures 5-6 not shown in the figure), sleuth the annular sealing ring manual installation device on the shaft 8, and abut the annular protection plate 5 against the positioning magnet 9 on the shaft 8. Among them, the positioning magnet 9 can also be arranged on the annular protection plate 5. Manually or through the driving cylinder, press the annular pressing body 41, so that the circumferentially distributed pressing parts 411 simultaneously pass through the slots 1a to press the sealing ring 7 on the lower mounting column 34, causing the sealing ring 7 to disengage from the mounting column 34 and fall into the groove on the shaft 8, completing the installation of the sealing ring 7.

[0056] When the link mechanism 31 needs to be reset, pull up the operating handle 27 and adjust it from the first position to the second position. The linkage plate 21 pushes the linkage block 22 to drive the connecting rod 23. Under the limiting action of the guide sleeve 25, the adjustment frame 24 moves horizontally backward. The rotating column 35 slides away from the annular pressing body 41 in the adjustment hole 24a to Figure 1Rotate counterclockwise by a certain angle. The rotating rod 32 connected to the rotating column 35 rotates along the first point 32a, driving the mounting column 34 to rotate towards the inner circle of the annular mounting body 1, and at the same time pulling the sliding hole on the connecting rod 33 of the next link mechanism 31 at the third point 32c of the rotating rod 32 to move along the second point 32b of the corresponding rotating rod 32. It also simultaneously pushes the connecting rod 33 of the previous link mechanism 31 at the second point 32b of the rotating rod 32 to drive the rotating rod of the same link mechanism 31 to rotate by the same angle. Then, the rotating rod of the previous link mechanism 31 pushes the connecting rod 33 of the upper previous link mechanism 31, and so on, causing multiple link mechanisms 31 to act counterclockwise until the connecting rod 33 of the next link mechanism 31 drives the rotating rod 32 of the same link mechanism 31 to rotate by the same angle, completing the simultaneous linkage of the link mechanism 31 and realizing the synchronous movement of the mounting columns 34 on the rotating rod 32, so that the circumferential diameter formed by the circumferentially distributed mounting columns 34 is restored to the minimum.

[0057] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the concept of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as within the protection scope of the present invention.

Claims

1. A manual installation device for a sealing ring, characterized in that: It includes an annular mounting body (1), a driving component (2) and a sealing ring sleeving component (3) mounted on the annular mounting body (1). The sealing ring sleeving component (3) includes a plurality of link mechanisms (31) arranged circumferentially and connected end to end. The driving component (2) has a force applying part for applying a horizontal force to any one of the link mechanisms (31) to make it rotate. The link mechanism (31) includes rotating rods (32) and connecting rods (33) distributed at intervals circumferentially. The first point (32a) of the rotating rod (32) is rotatably mounted on the annular mounting body (1). The second point (32b) of the rotating rod (32) is slidably arranged on the second end (33a) of the connecting rod (33) of the previous adjacent link mechanism (31). The third point (32c) of the rotating rod (32) is hinged to the first end (33b) of the connecting rod (33) of the next adjacent link mechanism (31). An installation post (34) is provided at the end of the rotating rod (32) close to the inner edge of the annular mounting body (1). A plurality of the installation posts (34) are used for sleeving the sealing ring (7). The end of the rotating rod (32) of any one of the link mechanisms (31) close to the outer edge of the annular mounting body (1) is displaceably and cooperatively connected with the force applying part. The driving component (2) includes a linkage plate (21), a linkage block (22), a connecting rod (23) and an operating handle (27). The first end of the linkage plate (21) is hinged to the annular mounting body (1). The operating handle (27) is fixed to the second end of the linkage plate (21). One end of the linkage block (22) is hinged to the middle of the linkage plate (21). The other end of the linkage block (22) is hinged to the connecting rod (23). An adjusting frame (24) is provided on the connecting rod (23) as the force applying part. An adjusting hole (24a) is provided on the adjusting frame (24). A rotating column (35) is provided vertically on the rotating rod (32) corresponding to and connected with the force applying part. The rotating column (35) is slidably mounted in the adjusting hole (24a). It further includes a pressing component (4). The pressing component (4) is provided with a pressing part (411) arranged close to the installation post (34). The pressing part (411) is arranged close to the inner edge of the annular mounting body (1).

2. The manual installation device for a sealing ring according to claim 1, characterized in that: The pressing component (4) includes an annular pressing body (41). The annular pressing body (41) and the link mechanism (31) are respectively located on both sides of the annular mounting body (1). The annular pressing body (41) is slidably mounted on the annular mounting body (1). The pressing part (411) passes through the annular mounting body (1) and is distributed at intervals circumferentially on the annular pressing body (41).

3. The manual installation device for a sealing ring according to claim 2, characterized in that: The pressing component (4) further includes an elastic member (42). The elastic member (42) is arranged between the annular mounting body (1) and the annular pressing body (41).

4. The manual installation device for a sealing ring according to claim 3, characterized in that: The elastic member (42) is a spring. The pressing component (4) further includes a spring column (43). The spring column (43) is movably arranged between the annular mounting body (1) and the annular pressing body (41). The spring is sleeved on the spring column (43).

5. The manual installation device for a sealing ring according to claim 1, characterized in that: The adjustment frame (24) is arranged obliquely and crosswise with the annular mounting body (1).

6. The manual installation device for a sealing ring according to claim 1, characterized in that: A guide sleeve (25) is mounted on the annular mounting body (1), and the guide sleeve (25) is sleeved on the connecting rod (23).

7. The manual installation device for a sealing ring according to claim 1, characterized in that: It further includes an annular protection plate (5), and the connecting rod mechanism (31) is arranged between the annular mounting body (1) and the annular protection plate (5).

8. The manual installation device for a sealing ring according to claim 1, characterized in that: The first point (32a), the second point (32b), and the third point (32c) of the rotating rod (32) are sequentially arranged from the outer edge to the inner edge of the annular mounting body (1), and the three points are collinear.

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