Sealing ring dismounting device

Abstract

The utility model discloses a sealing ring dismounting device which comprises a shell, and a containing cavity is formed in the shell. The multiple clamping rods are connected with the shell, the multiple clamping rods are arranged in the circumferential direction of the shell at intervals, and the ends, away from the shell, of the clamping rods are suitable for hooking a sealing ring; and the driving assembly is arranged in the containing cavity, and the driving assembly is used for driving the clamping rods to move in the radial direction of the shell so that the multiple clamping rods can get close to each other or get away from each other.

Description

Technical Field

[0001] The utility model belongs to the technical field of electromechanical maintenance equipment, and in particular relates to a sealing ring disassembly device. Background Art

[0002] When removing the sealing ring on the shaft body, a hook is usually inserted into the gap between the sealing ring and the annular groove, one side of the sealing ring is pried up, and then the hook is rotated along the annular groove to take out the sealing ring.

[0003] In order to improve the efficiency of removing the sealing ring in the related art, a handle is provided to drive multiple barbs to rotate so as to remove the sealing ring. However, since the barbs are fixedly connected to the handle, the spacing between the multiple barbs is fixed, which cannot be applied to the removal of sealing rings of different sizes. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. To this end, an embodiment of the present invention provides a sealing ring removal device, which can be used for removing sealing rings of various sizes, thereby improving applicability.

[0005] The sealing ring removal device of the embodiment of the present invention includes: a shell, the shell has an accommodating cavity inside; a plurality of clamping rods, the plurality of clamping rods are respectively connected to the shell, and the plurality of clamping rods are arranged at intervals in the circumferential direction of the shell, and the end of the clamping rod away from the shell is suitable for hooking the sealing ring; a driving assembly, the driving assembly is arranged in the accommodating cavity, and the driving assembly is used to drive the clamping rods to move in the radial direction of the shell so that the plurality of clamping rods are close to or away from each other.

[0006] The sealing ring disassembly device of the embodiment of the utility model can be applicable to the removal of sealing rings of various sizes, thereby improving applicability.

[0007] In some embodiments, the driving assembly includes a driving disk and a plurality of driving blocks, the outer periphery of the driving block is provided with an external thread, the driving disk is provided with an internal thread that meshes with the external thread, the driving disk is rotatable relative to the housing, the driving block is movable in the radial direction of the housing, and the plurality of driving blocks correspond one-to-one to the plurality of clamping rods.

[0008] In some embodiments, a plurality of guide grooves are provided at the bottom of the shell, the guide grooves extend radially along the shell, the plurality of guide grooves are arranged at intervals along the circumference of the shell, the drive block is located in the guide groove, and the drive block is movable in the guide groove, and the plurality of guide grooves correspond one-to-one to the plurality of drive blocks.

[0009] In some embodiments, the driving assembly also includes a plurality of guide rods, the guide rods extending radially along the shell, the plurality of guide rods being arranged at intervals along the circumference of the shell, the driving block being sleeved on the guide rods, and the driving block being movable on the guide rods, and the plurality of guide rods corresponding one-to-one to the plurality of driving blocks.

[0010] In some embodiments, the driving assembly further includes a driver connected to the driving disk to drive the driving disk to rotate.

[0011] In some embodiments, the sealing ring removal device also includes a power supply, which is disposed in the accommodating cavity and is connected to the driver.

[0012] In some embodiments, the sealing ring removal device also includes a cover plate, which is connected to the shell and seals the accommodating cavity.

[0013] In some embodiments, the clamping rod includes a connecting portion, a rod body and a hook claw, one end of the rod body is connected to the connecting portion, and the other end of the rod body is connected to the hook claw.

[0014] In some embodiments, the rod body is detachably connected to the connecting portion, and the hook is detachably connected to the rod body.

[0015] In some embodiments, the sealing ring removal device also includes a handle connected to the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a sealing ring disassembly device according to an embodiment of the utility model.

[0017] Figure 2 It is a structural schematic diagram of a housing and part of a driving assembly of an embodiment of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the housing and part of the driving assembly of an embodiment of the utility model from another angle.

[0019] Figure 4 It is a structural schematic diagram of a drive disk according to an embodiment of the utility model.

[0020] Figure 5 It is a structural schematic diagram of a clamping rod according to an embodiment of the utility model.

[0021] Reference numerals:

[0022] Shell 1, accommodating cavity 11, guide groove 12, guide rod 13,

[0023] Clamping rod 2, connecting part 21, rod body 22, hook claw 23,

[0024] Drive assembly 3, drive disk 31, drive block 32, drive 33,

[0025] Power supply 4, handle 5, cover plate 6. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0027] The sealing ring removal device of the embodiment of the present invention includes a shell 1, a plurality of clamping rods 2 and a driving assembly 3. The shell 1 has an accommodating cavity 11 inside. The plurality of clamping rods 2 are respectively connected to the shell 1, and the plurality of clamping rods 2 are arranged at intervals in the circumferential direction of the shell 1. One end of the clamping rod 2 away from the shell 1 is suitable for hooking the sealing ring. The driving assembly 3 is arranged in the accommodating cavity 11. The driving assembly 3 is used to drive the clamping rods 2 to move in the radial direction of the shell 1 so that the plurality of clamping rods 2 are close to or away from each other.

[0028] Specifically, Figure 1 As shown, the interior of the shell 1 has an accommodating chamber 11 which is open upward, the driving assembly 3 is located inside the accommodating chamber 11, the upper end of the clamping rod 2 is connected to the driving assembly 3, the lower end of the clamping rod 2 can clamp the sealing ring, and the multiple clamping rods 2 can approach or move away from each other in the radial direction of the shell 1. When the multiple clamping rods 2 approach each other, the sealing ring can be clamped, and when the multiple clamping rods 2 move away from each other, the clamped sealing ring can be put down.

[0029] The sealing ring removal device of the embodiment of the utility model is provided with a plurality of clamping rods 2 that can be moved closer to or farther away from each other, so as to adjust the clamping size of the sealing ring, thereby being applicable to the removal of sealing rings of various sizes, thereby improving applicability.

[0030] In some embodiments, the driving assembly 3 includes a driving disk 31 and a plurality of driving blocks 32. The outer periphery of the driving block 32 is provided with an external thread, and the driving disk 31 is provided with an internal thread that meshes with the external thread. The driving disk 31 is rotatable relative to the shell 1, and the driving block 32 is movable in the radial direction of the shell 1. The plurality of driving blocks 32 correspond one-to-one to the plurality of clamping rods 2.

[0031] Specifically, Figure 2 and Figure 3 As shown, the driving disk 31 is located in the accommodating cavity 11, and the driving disk 31 can rotate in the accommodating cavity 11. The lower end of the driving disk 31 is provided with an internal thread, and the outer peripheral surface of the driving block 32 is provided with an external thread, and the internal thread is meshed with the external thread. When the driving disk 31 rotates, the driving block 32 can be driven to rotate through the meshing of the internal and external threads.

[0032] For example, the number of the driving blocks 32 is three, and the three driving blocks 32 are evenly spaced in the circumferential direction of the housing 1 , and the upper end of the clamping rod 2 is connected to the lower end of the driving block 32 .

[0033] In some embodiments, a plurality of guide grooves 12 are provided at the bottom of the shell 1, and the guide grooves 12 extend radially along the shell 1. The plurality of guide grooves 12 are arranged at intervals along the circumference of the shell 1. The drive block 32 is located in the guide groove 12, and the drive block 32 is movable in the guide groove 12. The plurality of guide grooves 12 correspond one-to-one to the plurality of drive blocks 32.

[0034] Specifically, Figure 2 and Figure 3 As shown, the guide groove 12 extends in the radial direction of the shell 1. For example, the number of the guide grooves 12 is three, and the three guide grooves 12 are arranged at intervals in the circumferential direction of the shell 1. The three guide grooves 12 correspond to the three driving blocks 32 one by one, that is, the three driving blocks 32 are correspondingly arranged in the three guide grooves 12, and the driving blocks 32 are movable in the guide grooves 12. By setting the guide grooves 12, the movement accuracy of the driving blocks 32 can be improved.

[0035] In some embodiments, the driving assembly 3 also includes a plurality of guide rods 13, which extend radially along the shell 1, and the plurality of guide rods 13 are arranged at intervals along the circumference of the shell 1. The driving block 32 is sleeved on the guide rods 13, and the driving block 32 is movable on the guide rods 13, and the plurality of guide rods 13 correspond one-to-one to the plurality of driving blocks 32.

[0036] Specifically, Figure 2 As shown, the guide rod 13 extends radially along the shell 1, and the two ends of the guide rod 13 are respectively connected to the inner wall surface of the wire groove, and the driving block 32 is sleeved on the guide rod 13. For example, the number of guide rods 13 is three, and the three guide rods 13 correspond to the three driving blocks 32 one by one. By setting the guide rods 13, the movement accuracy of the driving block 32 can be further improved.

[0037] In some embodiments, the driving assembly 3 further includes a driver 33 , and the driver 33 is connected to the driving disk 31 to drive the driving disk 31 to rotate.

[0038] Specifically, Figure 2 As shown, the driver 33 is located outside the housing 1, or the driver 33 is installed in the housing 1, and the output shaft of the driver 33 is connected to the driving disk 31. For example, the driver 33 is a servo motor. It should be noted that the driver 33 has a self-locking function. The self-locking of the motor belongs to the common knowledge in this field and will not be elaborated here. By setting the driver 33, the efficiency of adjusting the clamping rod 2 can be improved.

[0039] In some embodiments, the sealing ring removal device further includes a power supply 4, which is disposed in the accommodating cavity 11 and connected to the driver 33. By providing the power supply 4, the endurance of the removal device can be improved, and the efficiency of sealing ring removal can be improved.

[0040] In some embodiments, the sealing ring removal device further includes a cover plate 6 , which is connected to the housing 1 , and the cover plate 6 seals the accommodating cavity 11 .

[0041] Specifically, Figure 1 As shown, the cover plate 6 is located above the driving disk 31, and the cover plate 6 and the driving disk 31 are arranged at an interval. The cover plate 6 is detachably connected to the shell 1. For example, the cover plate 6 is connected to the shell 1 by bolts or clamping. By setting the cover plate 6, the sealing of the accommodating cavity 11 can be improved to prevent foreign debris from entering the accommodating cavity 11 and affecting the rotation of the driving disk 31.

[0042] In some embodiments, the clamping rod 2 includes a connecting portion 21 , a rod body 22 and a hook 23 , one end of the rod body 22 is connected to the connecting portion 21 , and the other end of the rod body 22 is connected to the hook 23 .

[0043] Specifically, Figure 5 As shown, the upper end of the connecting portion 21 is connected to the driving block 32 , the lower end of the connecting portion 21 is connected to the rod body 22 , and the lower end of the rod body 22 is connected to the hook 23 .

[0044] Optionally, the rod body 22 is detachably connected to the connecting portion 21 , and the hook 23 is detachably connected to the rod body 22 .

[0045] For example, the rod body 22 is connected to the connecting portion 21 by threading or clamping, and the hook 23 is connected to the rod body 22 by threading or clamping.

[0046] The rod body 22 is detachably connected to the connecting portion 21, and the hook 23 is detachably connected to the rod body 22, which is not only convenient for storing the clamping rod 2, but also allows the sealing ring to be taken out from the hook 23, and the hook 23 is removed to support the sealing ring using the rod body 22. In addition, the support rod can open the sealing ring, which is convenient for installing the sealing ring.

[0047] In some embodiments, the sealing ring removal device further includes a handle 5 , which is connected to the housing 1 .

[0048] By providing the handle 5, it is convenient to hold the disassembly device, thereby improving the disassembly efficiency of the sealing ring.

[0049] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0051] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0054] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A sealing ring disassembly device, characterized in that: include: A housing, wherein the housing has a receiving cavity therein; A plurality of clamping rods, each of which is connected to the housing and arranged at intervals in the circumferential direction of the housing, and one end of the clamping rod away from the housing is suitable for hooking a sealing ring; A driving assembly is disposed in the accommodating cavity and is used for driving the clamping rods to move in the radial direction of the shell so that the plurality of clamping rods are moved closer to or farther from each other.

2. The sealing ring removal device according to claim 1, characterized in that: The driving assembly includes a driving disk and a plurality of driving blocks. The outer circumference of the driving block is provided with an external thread, and the driving disk is provided with an internal thread that meshes with the external thread. The driving disk is rotatable relative to the shell, and the driving block is movable in the radial direction of the shell. The plurality of driving blocks correspond one-to-one to the plurality of clamping rods.

3. The sealing ring removal device according to claim 2, characterized in that: A plurality of guide grooves are provided at the bottom of the shell, and the guide grooves extend radially along the shell. The plurality of guide grooves are arranged at intervals along the circumference of the shell. The drive block is located in the guide groove, and the drive block is movable in the guide groove. The plurality of guide grooves correspond one-to-one to the plurality of drive blocks.

4. The sealing ring removal device according to claim 2, characterized in that: The driving assembly also includes a plurality of guide rods, which extend radially along the shell, and are arranged at intervals along the circumference of the shell. The driving block is sleeved on the guide rods, and the driving block is movable on the guide rods. The plurality of guide rods correspond one-to-one to the plurality of driving blocks.

5. The sealing ring removal device according to any one of claims 2 to 4, characterized in that: The driving assembly also includes a driver, which is connected to the driving disc to drive the driving disc to rotate.

6. The sealing ring removal device according to claim 5, characterized in that: It also includes a power supply, which is arranged in the accommodating cavity and connected to the driver.

7. The sealing ring removal device according to claim 1, characterized in that: A cover plate is also included, which is connected to the shell and seals the accommodating cavity.

8. The sealing ring removal device according to claim 1, characterized in that: The clamping rod comprises a connecting portion, a rod body and a hook claw, one end of the rod body is connected to the connecting portion, and the other end of the rod body is connected to the hook claw.

9. The sealing ring removal device according to claim 8, characterized in that: The rod body is detachably connected to the connecting portion, and the hook claw is detachably connected to the rod body.

10. The sealing ring removal device according to claim 1, characterized in that: A handle is also included, and the handle is connected to the housing.

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