CN117549253A - Dismounting device for bowl-shaped water plug - Google Patents

Dismounting device for bowl-shaped water plug Download PDF

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Publication number
CN117549253A
CN117549253A CN202311673428.8A CN202311673428A CN117549253A CN 117549253 A CN117549253 A CN 117549253A CN 202311673428 A CN202311673428 A CN 202311673428A CN 117549253 A CN117549253 A CN 117549253A
Authority
CN
China
Prior art keywords
hole
bowl
expansion sleeve
expansion
shaped water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311673428.8A
Other languages
Chinese (zh)
Inventor
陈浩儒
夏泉
周丽军
秦泽西
胡艳兵
张鹏
胡凯
叶楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Automobile Co Ltd
Original Assignee
Dongfeng Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Automobile Co Ltd filed Critical Dongfeng Automobile Co Ltd
Priority to CN202311673428.8A priority Critical patent/CN117549253A/en
Publication of CN117549253A publication Critical patent/CN117549253A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same

Abstract

The application relates to a dismantling device for bowl-shaped water plugs, and belongs to the technical field of engine cylinder maintenance. The dismantling device comprises an expansion sleeve and an expansion rod, wherein the outer wall of one end of the expansion sleeve is provided with a cutting edge area for clamping a bowl-shaped water plug, an accommodating space is formed in the expansion sleeve along the length direction, the accommodating space comprises a conical through hole and a cylindrical hole, the conical through hole is arranged on one side close to the cutting edge area, the cylindrical hole is connected with the conical through hole, and the diameter of the conical through hole gradually decreases from one side close to the cylindrical hole to one side far away from the cylindrical hole; the expansion rod is arranged in an accommodating space arranged inside the expansion sleeve, the expansion rod is in threaded connection with the inner wall of the expansion sleeve, the expansion rod comprises a screw rod area and a round platform area arranged at one end of the screw rod area, and the structure of the round platform area is matched with the conical through hole.

Description

Dismounting device for bowl-shaped water plug
Technical Field
The application relates to the technical field of engine cylinder maintenance, in particular to a bowl-shaped water plug dismantling device.
Background
In the overhauling process of the engine cylinder body and the cylinder cover, the bowl-shaped water plug is frequently required to be pulled out, however, due to the process requirement, the bowl-shaped water plug is often positioned at a deep hole position, and compared with a bowl-shaped plug on the surface, the bowl-shaped water plug is extremely severely limited in space position and extremely difficult to pull out. The traditional dismantling method is that the bowl-shaped water plug is damaged and then pried out by using a screwdriver, the method is time-consuming and labor-consuming, low in efficiency, easy to generate component fragments, difficult to clean and clear, and particularly for the bowl-shaped water plug at a deep hole position, the tool is severely limited, and the traditional method brings inconvenience.
Disclosure of Invention
The embodiment of the application provides a dismantling device for bowl-shaped water plugs, which aims to solve the problem of inconvenient operation when the bowl-shaped water plugs are dismantled in a common mode in the related technology.
The embodiment of the application provides a demolish device of bowl shape water shutoff, includes:
the outer wall of one end of the expansion sleeve is provided with a cutting edge area for clamping a bowl-shaped water plug, an accommodating space is formed in the expansion sleeve along the length direction, the accommodating space comprises a conical through hole and a cylindrical hole, the conical through hole is arranged near one side of the cutting edge area, the cylindrical hole is connected with the conical through hole, and the diameter of the conical through hole gradually decreases from one side close to the cylindrical hole to one side far away from the cylindrical hole;
the expansion rod is arranged in an accommodating space arranged inside the expansion sleeve, the expansion rod is in threaded connection with the inner wall of the expansion sleeve, the expansion rod comprises a screw rod area and a round platform area arranged at one end of the screw rod area, and the structure of the round platform area is matched with the conical through hole.
In some embodiments, a stress slot is provided on a side of the tapered through hole adjacent to the cylindrical hole, and the diameter of the stress slot is greater than the diameter of the tapered through hole at the maximum.
In some embodiments, the cutting edge region includes a plurality of teeth disposed radially of the expansion sleeve, the teeth facing toward one end proximate the cylindrical bore.
In some embodiments, an inner hexagon plug for limiting the expansion rod is detachably connected in the expansion sleeve.
In some embodiments, the screw section outer wall is provided with a first external thread and the expansion sleeve inner wall is provided with an internal thread matching the first external thread.
In some embodiments, one end of the expansion rod is provided with an internal hexagonal hole for connecting an internal hexagonal wrench.
In some embodiments, the outer wall of the expansion sleeve is provided with a clamping groove, and the clamping groove is used for connecting a wrench.
In some embodiments, the outer wall of the expansion sleeve is provided with a second external thread for connecting to the pin puller.
In some embodiments, the outer wall of the expansion sleeve is provided with a plurality of slits along the length direction.
In some embodiments, the material of the expansion sleeve is spring steel.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides a device for removing bowl-shaped water plugs, which comprises an expansion sleeve and an expansion rod, wherein the outer wall of one end of the expansion sleeve is provided with a cutting edge area for clamping the bowl-shaped water plugs, an accommodating space is formed in the expansion sleeve along the length direction, the accommodating space comprises a conical through hole and a cylindrical hole, the conical through hole is arranged close to one side of the cutting edge area, the cylindrical hole is connected with the conical through hole, and the diameter of the conical through hole gradually decreases from one side close to the cylindrical hole to one side far away from the cylindrical hole; the expansion rod is arranged in an accommodating space arranged inside the expansion sleeve, the expansion rod is in threaded connection with the inner wall of the expansion sleeve, the expansion rod comprises a screw rod area and a round platform area arranged at one end of the screw rod area, and the structure of the round platform area is matched with the conical through hole.
In the in-service use, set up the tight pole that expands in the accommodation space that the tight cover inside set up, and tight pole threaded connection expands in tight cover inner wall, rotate the tight pole that expands, can make the tight pole that expands move to the blade district in the tight cover that expands, when the round platform district top of the tight pole that expands touches the toper through-hole in tight cover accommodation space, can prop up the tight cover that expands, make the diameter of blade district radially grow towards the periphery, the blade cuts into in the water shutoff inner wall of bowl shape, just can make the tight cover chucking of expanding in the inner wall of bowl shape water shutoff this moment, later use the pulling out instrument, for example, the pin puller, connect the tight cover that expands, alright demolish the water shutoff of bowl shape when chucking water shutoff, make the operation comparatively convenient. And when the expansion rod is used for expanding the expansion sleeve, the diameter of the cutting edge area is radially enlarged towards the periphery, the diameter of the conical through hole gradually decreases from one side close to the cylindrical hole to one side far away from the cylindrical hole, the structure of the round table area of the expansion rod is matched with the conical through hole, after expansion is completed, the diameter of the cutting edge area gradually increases from one side close to the cylindrical hole to one side far away from the cylindrical hole, and the depth of the cutting edge cut into the inner wall of the bowl-shaped water plug is gradually deepened, so that the clamping is more reliable when the bowl-shaped water plug is pulled out, and the expansion sleeve is prevented from being separated from the bowl-shaped water plug.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall schematic diagram of an apparatus provided in an embodiment of the present application;
FIG. 2 is a schematic view of the expansion shell of FIG. 1;
FIG. 3 is a front view of the expansion lever of FIG. 1;
fig. 4 is a side view of the expansion rod of fig. 1.
Reference numerals:
1. an expansion sleeve; 2. an expansion rod; 3. an inner hexagonal plug; 11. a second external thread; 12. an accommodation space; 13. a tapered through hole; 14. a stress slot; 15. a cutting edge region; 16. a clamping groove; 17. cutting; 18. a cylindrical hole; 19. an internal thread; 21. a screw section; 22. a round platform area; 23. a first external thread.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the application provides a dismantling device for bowl-shaped water plugs, which can solve the problem of inconvenient operation when the bowl-shaped water plugs are dismantled in a common mode in the related technology.
Referring to fig. 1 to 3, the embodiment of the application provides a bowl-shaped water plug dismantling device, which comprises an expansion sleeve 1 and an expansion rod 2, wherein the outer wall of one end of the expansion sleeve 1 is provided with a cutting edge area 15 for clamping the bowl-shaped water plug, an accommodating space 12 is formed in the expansion sleeve 1 along the length direction, the accommodating space 12 comprises a conical through hole 13 arranged close to one side of the cutting edge area 15 and a cylindrical hole 18 connected with the conical through hole 13, and the diameter of the conical through hole 13 gradually decreases from one side close to the cylindrical hole 18 to one side far away from the cylindrical hole 18; the expansion rod 2 is arranged in the accommodating space 12 arranged in the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 comprises a screw rod area 21 and a round platform area 22 arranged at one end of the screw rod area 21, and the structure of the round platform area 22 is matched with the conical through hole 13.
In actual use, the expansion rod 2 is arranged in the accommodating space 12 arranged inside the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 is rotated, the expansion rod 2 can move towards the cutting edge area 15 in the expansion sleeve 1, when the round platform area 22 of the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 in the expansion sleeve 1, the expansion sleeve 1 can be unfolded, the diameter of the cutting edge area 15 is radially enlarged towards the periphery, the cutting edge is cut into the inner wall of the bowl-shaped water plug, at the moment, the expansion sleeve 1 can be clamped on the inner wall of the bowl-shaped water plug, and then a pulling tool, such as a puller, is used for connecting the expansion sleeve 1, so that the bowl-shaped water plug can be removed when the bowl-shaped water plug is clamped, and the operation is convenient. And, when expanding the tight sleeve 1 of tight pole 2 struts for the diameter of blade district 15 radially enlarges towards the periphery, because the diameter of toper through-hole 13 is progressively decreased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the structure in tight pole 2 round platform district 22 of expanding matches with toper through-hole 13, make after expanding tightly, the diameter of blade district 15 is progressively increased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the blade cuts into the water shutoff inner wall degree of depth of bowl shape and deepens thereupon gradually, consequently, can make the chucking more have reliability when pulling out, guarantee that tight sleeve 1 of expanding can not deviate from in bowl shape water shutoff.
In some alternative embodiments, as shown in fig. 2 and 3, the embodiment of the application provides a bowl-shaped water plug removing device, one side of the conical through hole 13, which is close to the cylindrical hole 18, is provided with a stress slot hole 14, and the diameter of the stress slot hole 14 is larger than the diameter of the largest part of the conical through hole 13. The arrangement of the stress slot 14 can facilitate the concentration of the propped stress when the expanding rod 2 is propped against the conical through hole 13 of the expanding sleeve 1, so that the propping thixotropic property is easier.
In actual use, the expansion rod 2 is arranged in the accommodating space 12 arranged in the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 is rotated to enable the expansion rod 2 to move towards the cutting edge region 15 in the expansion sleeve 1, when the round platform region 22 of the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 in the expansion sleeve 1, the expansion sleeve 1 can be stretched, the diameter of the cutting edge region 15 is radially enlarged towards the periphery, the cutting edge is cut into the inner wall of the bowl-shaped water block, the expansion sleeve 1 can be clamped on the inner wall of the bowl-shaped water block at the moment, the stress slotted hole 14 can be arranged on one side, close to the cylindrical hole 18, of the conical through hole 13, the diameter of the stress slotted hole 14 is larger than the diameter of the largest part of the conical through hole 13. The arrangement of the stress slot 14 can facilitate the concentration of the propped stress when the expanding rod 2 is propped against the conical through hole 13 of the expanding sleeve 1, so that the propping thixotropic property is easier.
Then, the bowl-shaped water plug can be removed while being clamped by using a pulling tool, such as a pin pulling device, to connect the expansion sleeve 1, so that the operation is convenient. And, when expanding the tight sleeve 1 of tight pole 2 struts for the diameter of blade district 15 radially enlarges towards the periphery, because the diameter of toper through-hole 13 is progressively decreased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the structure in tight pole 2 round platform district 22 of expanding matches with toper through-hole 13, make after expanding tightly, the diameter of blade district 15 is progressively increased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the blade cuts into the water shutoff inner wall degree of depth of bowl shape and deepens thereupon gradually, consequently, can make the chucking more have reliability when pulling out, guarantee that tight sleeve 1 of expanding can not deviate from in bowl shape water shutoff.
In some alternative embodiments, as shown in fig. 1, the present embodiment provides a bowl-shaped water plug removal device, the cutting edge region 15 comprising a plurality of teeth disposed radially along the expansion sleeve 1, the teeth facing toward one end proximate the cylindrical bore 18. Namely, the tooth-shaped structure is of a barb-shaped structure, so that when the bowl-shaped water plug is pulled out, the expansion sleeve 1 is tightly clamped, the expansion sleeve 1 is prevented from being taken off from the bowl-shaped water plug, and the reliability of pulling out is ensured.
In actual use, the expansion rod 2 is arranged in the accommodating space 12 arranged inside the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 is rotated, the expansion rod 2 can move towards the cutting edge area 15 in the expansion sleeve 1, when the round platform area 22 of the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 in the expansion sleeve 1, the expansion sleeve 1 can be unfolded, the diameter of the cutting edge area 15 is radially enlarged towards the periphery, and the cutting edge is cut into the bowl-shaped water blocking inner wall.
And the edge region 15 comprises a plurality of toothed structures radially disposed along the expansion shell 1, the toothed structures being oriented towards one end near the cylindrical bore 18. Namely, the tooth-shaped structure is of a barb-shaped structure, when the bowl-shaped water plug is pulled out, the expansion sleeve 1 is clamped, the expansion sleeve 1 is prevented from being removed from the bowl-shaped water plug, a pulling-out tool, such as a pin pulling device, is used after the bowl-shaped water plug is connected, the expansion sleeve 1 can be removed from the bowl-shaped water plug while the bowl-shaped water plug is clamped, the operation is convenient, the tooth-shaped structure of the barb-shaped structure can prevent the expansion sleeve 1 from being removed from the bowl-shaped water plug, and the pulling-out reliability is ensured.
Meanwhile, when the expansion rod 2 is used for expanding the expansion sleeve 1, the diameter of the cutting edge area 15 is radially enlarged towards the periphery, as the diameter of the conical through hole 13 gradually decreases from one side close to the cylindrical hole 18 to one side far away from the cylindrical hole 18, the structure of the round platform area 22 of the expansion rod 2 is matched with the conical through hole 13, after the expansion is completed, the diameter of the cutting edge area 15 gradually increases from one side close to the cylindrical hole 18 to one side far away from the cylindrical hole 18, and the depth of the cutting edge cutting into the inner wall of the bowl-shaped water plug is gradually deepened, so that clamping can be more reliable when the bowl-shaped water plug is pulled out, and the expansion sleeve 1 is prevented from falling out of the bowl-shaped water plug.
In some alternative embodiments, as shown in fig. 1, the embodiment of the application provides a bowl-shaped water plug removing device, and an inner hexagonal plug 3 for limiting an expansion rod 2 is detachably connected in an expansion sleeve 1. The inner hexagonal plug 3 can effectively limit the expansion rod 2, and the reliability of pulling out is ensured.
Specifically, in use, the expansion rod 2 is arranged in the accommodating space 12 arranged inside the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 can be enabled to move towards the cutting edge area 15 in the expansion sleeve 1 by rotating the expansion rod 2, when the round platform area 22 of the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 in the expansion sleeve 1, the expansion sleeve 1 can be unfolded, the diameter of the cutting edge area 15 is enabled to be radially enlarged towards the periphery, the cutting edge is cut into the inner wall of the bowl-shaped water plug, and at the moment, the expansion sleeve 1 can be enabled to be clamped on the inner wall of the bowl-shaped water plug.
At this time, in actual use, the inside of the expansion sleeve 1 is detachably connected with the inner hexagonal plug 3 for limiting the expansion rod 2. After that, the bowl-shaped water plug can be removed when the bowl-shaped water plug is clamped by using a pulling tool, such as a pin pulling device, and the expansion sleeve 1 is connected, so that the operation is convenient. And the inner hexagonal plug 3 can effectively limit the expansion rod 2, so that the reliability of pulling out is ensured.
And, when expanding the tight sleeve 1 of tight pole 2 struts for the diameter of blade district 15 radially enlarges towards the periphery, because the diameter of toper through-hole 13 is progressively decreased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the structure in tight pole 2 round platform district 22 of expanding matches with toper through-hole 13, make after expanding tightly, the diameter of blade district 15 is progressively increased from the side that is close to cylindrical hole 18 to the side that keeps away from cylindrical hole 18, the blade cuts into the water shutoff inner wall degree of depth of bowl shape and deepens thereupon gradually, consequently, can make the chucking more have reliability when pulling out, guarantee that tight sleeve 1 of expanding can not deviate from in bowl shape water shutoff.
In some alternative embodiments, as shown in fig. 2 to 4, the present embodiment provides a bowl-shaped water plug removing device, the outer wall of the screw rod area 21 is provided with a first external thread 23, and the inner wall of the expansion sleeve 1 is provided with an internal thread 19 matched with the first external thread 23. One end of the expansion rod 2 is provided with an inner hexagonal hole for connecting an inner hexagonal wrench. In actual use, the inner hexagonal wrench is used for clamping the inner hexagonal wrench into the inner hexagonal hole formed in the expansion rod 2, and the expansion rod 2 can be rotated by rotating the inner hexagonal wrench, so that the expansion rod 2 moves towards the conical through hole 13 of the accommodating space 12 of the expansion sleeve 1 to prop up and prop up the expansion sleeve 1. In some use cases, the outer wall of the expansion sleeve 1 is provided with a clamping groove 16, and the clamping groove 16 is used for connecting a wrench. When the expansion rod 2 is rotated, the clamping groove 16 is clamped by a wrench, so that the expansion sleeve 1 is relatively static, and the expansion sleeve 1 is prevented from rotating.
In actual use, the expansion rod 2 is arranged in the accommodating space 12 arranged inside the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the expansion rod 2 is rotated, the expansion rod 2 can move towards the cutting edge area 15 in the expansion sleeve 1, when the round platform area 22 of the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 in the expansion sleeve 1, the expansion sleeve 1 can be propped up, specifically, an inner hexagonal wrench is utilized, the inner hexagonal wrench is clamped in the inner hexagonal hole formed in the expansion rod 2, the inner hexagonal wrench is rotated, the expansion rod 2 can be rotated, and the expansion rod 2 is propped against the conical through hole 13 in the accommodating space 12 of the expansion sleeve 1, so that the expansion sleeve 1 is propped up. The diameter of the cutting edge area 15 is radially enlarged towards the periphery, the cutting edge cuts into the inner wall of the bowl-shaped water plug, and the expansion sleeve 1 can be clamped on the inner wall of the bowl-shaped water plug at the moment.
In some alternative embodiments, the present demolition arrangement further comprises a pin remover, the outer wall of the expansion sleeve 1 being provided with a second external thread 11 for connection to the pin remover. When the bowl-shaped water plug is used, the expansion sleeve 1 is connected with the pin puller, the bowl-shaped water plug is clamped under the action of the jacking of the expansion rod 2 by the expansion sleeve 1, and the pin puller is utilized to pull out and detach the bowl-shaped water plug, so that the operation is convenient.
In some alternative embodiments, as shown in fig. 2, the outer wall of the expansion sleeve 1 is provided with a plurality of slits 17 along the length direction, so that when the expansion rod 2 expands the expansion sleeve 1, the expansion sleeve 1 can have a certain deformation space, and the body of the expansion sleeve 1 is prevented from being damaged.
In some alternative embodiments, the material of the expansion sleeve 1 is spring steel. The expansion sleeve 1 has certain elasticity and is convenient to be expanded by the expansion rod 2 while ensuring the rigidity of the material.
To sum up, the expansion rod 2 is arranged in the accommodating space 12 arranged inside the expansion sleeve 1, the expansion rod 2 is in threaded connection with the inner wall of the expansion sleeve 1, the outer wall of the screw rod area 21 of the expansion rod 2 is provided with a first external thread 23, and the inner wall of the expansion sleeve 1 is provided with an internal thread 19 matched with the first external thread 23. The one end of expanding rod 2 has offered the interior hexagonal hole that is used for connecting the allen wrench, utilize allen wrench, with allen wrench joint in the interior hexagonal hole of seting up of expanding rod 2, rotate allen wrench, alright make expanding rod 2 rotate, thereby can make expanding rod 2 remove to blade district 15 in expanding sleeve 1, when the round platform district 22 top of expanding rod 2 touches the toper through-hole 13 of space 12 in expanding sleeve 1, can prop up expanding sleeve 1, make the diameter of blade district 15 radially grow towards the periphery, the blade cuts into in the water shutoff inner wall of bowl shape, just can make expanding sleeve 1 chucking in the inner wall of bowl shape water shutoff this moment.
At this time, the tapered through hole 13 is provided with a stress slot 14 on a side close to the cylindrical hole 18, and the diameter of the stress slot 14 is larger than the diameter of the largest portion of the tapered through hole 13. The arrangement of the stress slot 14 can facilitate the concentration of the propped stress when the expansion rod 2 is propped against the conical through hole 13 of the expansion sleeve 1, and ensures that the expansion rod 2 is easier to deform against the conical through hole 13.
An inner hexagonal plug 3 for limiting the expansion rod 2 is detachably connected in the expansion sleeve 1. The inner hexagonal plug 3 can effectively limit the expansion rod 2, prevent the expansion rod 2 from falling out, and ensure the reliability of pulling out. And a clamping groove 16 is formed in the outer wall of the expansion sleeve 1, and the clamping groove 16 is used for connecting a wrench. When the expansion rod 2 is rotated, the clamping groove 16 is clamped by a wrench, so that the expansion sleeve 1 is relatively static, and the expansion sleeve 1 is prevented from rotating.
After that, the pin puller can be used to connect the expansion sleeve 1, so that the bowl-shaped water plug can be removed when the bowl-shaped water plug is clamped, and the operation is convenient. And, the edge region 15 includes a plurality of tooth-like structures disposed radially along the expansion sleeve 1, the tooth-like structures being oriented toward one end near the cylindrical hole 18. Namely, the tooth-shaped structure is of a barb-shaped structure, so that when the bowl-shaped water plug is pulled out, the expansion sleeve 1 is tightly clamped, the expansion sleeve 1 is prevented from being taken off from the bowl-shaped water plug, and the reliability of pulling out is ensured.
When the expansion rod 2 is used for expanding the expansion sleeve 1, the diameter of the cutting edge area 15 is radially enlarged towards the periphery, as the diameter of the conical through hole 13 gradually decreases from one side close to the cylindrical hole 18 to one side far away from the cylindrical hole 18, the structure of the round platform area 22 of the expansion rod 2 is matched with the conical through hole 13, after expansion is completed, the diameter of the cutting edge area 15 gradually increases from one side close to the cylindrical hole 18 to one side far away from the cylindrical hole 18, and the depth of cutting edges cut into the inner wall of the bowl-shaped water plug is gradually deepened, so that clamping can be more reliable when the bowl-shaped water plug is pulled out, and the expansion sleeve 1 is prevented from falling out of the bowl-shaped water plug.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A bowl-shaped water block removal device, comprising:
the novel water plugging device comprises an expansion sleeve (1), wherein a cutting edge area (15) for clamping a bowl-shaped water plug is arranged on the outer wall of one end of the expansion sleeve (1), an accommodating space (12) is formed in the expansion sleeve (1) along the length direction, the accommodating space (12) comprises a conical through hole (13) and a cylindrical hole (18), the conical through hole (13) is arranged close to one side of the cutting edge area (15), the cylindrical hole (18) is connected with the conical through hole, and the diameter of the conical through hole (13) gradually decreases from one side close to the cylindrical hole (18) to one side far away from the cylindrical hole (18);
the expansion rod (2), expansion rod (2) set up in accommodation space (12) that expansion sleeve (1) inside set up, expansion rod (2) threaded connection in expansion sleeve (1) inner wall, expansion rod (2) include screw rod district (21) with round platform district (22) that screw rod district (21) one end set up, the structure of round platform district (22) with toper through-hole (13) assorted.
2. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
and a stress slotted hole (14) is formed in one side, close to the cylindrical hole (18), of the conical through hole (13), and the diameter of the stress slotted hole (14) is larger than that of the largest position of the conical through hole (13).
3. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the edge region (15) comprises a plurality of toothed structures arranged radially along the expansion sleeve (1), the toothed structures facing towards one end close to the cylindrical hole (18).
4. A bowl-shaped water plug removal device as claimed in claim 3, wherein:
the expansion sleeve (1) is detachably connected with an inner hexagonal plug (3) for limiting the expansion rod (2).
5. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the outer wall of the screw rod area (21) is provided with a first external thread (23), and the inner wall of the expansion sleeve (1) is provided with an internal thread (19) matched with the first external thread (23).
6. A bowl-shaped water plug removal apparatus as recited in claim 5, wherein:
one end of the expansion rod (2) is provided with an inner hexagonal hole for connecting an inner hexagonal wrench.
7. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the outer wall of the expansion sleeve (1) is provided with a clamping groove (16), and the clamping groove (16) is used for connecting a wrench.
8. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the outer wall of the expansion sleeve (1) is provided with a second external thread (11) for connecting the pin puller.
9. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the outer wall of the expansion sleeve (1) is provided with a plurality of cutting slits (17) along the length direction.
10. A bowl-shaped water plug removal device as claimed in claim 1, wherein:
the expansion sleeve (1) is made of spring steel.
CN202311673428.8A 2023-12-07 2023-12-07 Dismounting device for bowl-shaped water plug Pending CN117549253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311673428.8A CN117549253A (en) 2023-12-07 2023-12-07 Dismounting device for bowl-shaped water plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311673428.8A CN117549253A (en) 2023-12-07 2023-12-07 Dismounting device for bowl-shaped water plug

Publications (1)

Publication Number Publication Date
CN117549253A true CN117549253A (en) 2024-02-13

Family

ID=89821722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311673428.8A Pending CN117549253A (en) 2023-12-07 2023-12-07 Dismounting device for bowl-shaped water plug

Country Status (1)

Country Link
CN (1) CN117549253A (en)

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