CN114439940A - Detection hole - Google Patents
Detection hole Download PDFInfo
- Publication number
- CN114439940A CN114439940A CN202210170531.XA CN202210170531A CN114439940A CN 114439940 A CN114439940 A CN 114439940A CN 202210170531 A CN202210170531 A CN 202210170531A CN 114439940 A CN114439940 A CN 114439940A
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- China
- Prior art keywords
- hole
- support frame
- sealing
- hole cover
- mounting
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M1/00—Frames or casings of engines, machines or apparatus; Frames serving as machinery beds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The embodiment of the invention discloses a detection hole, which comprises: a hole seat, a hole cover and a support frame; the hole seat is annular, and the inner side of the hole seat is provided with an installation groove; the end part of the supporting frame is clamped in the mounting groove; the hole cover is clamped inside the hole seat and positioned on one side of the support frame, and the fastener penetrates through the hole cover and the support frame in sequence to fix the hole cover and the support frame. In the embodiment of the invention, the hole seat is welded on the equipment shell, the support frame which can be conveniently detached is arranged on the hole seat and used for installing and fixing the hole cover, the axial displacement of the support frame in the hole seat is limited, and the support frame and the hole cover are fixed by using the tightening force and the reaction force among the support frame, the hole cover and the fastener; the invention has simple structure and can meet the operation detection requirements of various devices; the detection hole structure can meet the sealing requirement, and the sealing reliability of the detection hole is ensured by two sealing methods of radial sealing and end face sealing; when the hole cover is disassembled, only one fastener in the middle of the hole cover needs to be unscrewed, time and labor are saved, and the requirement of quick operation is met.
Description
Technical Field
The invention relates to the field of machining, in particular to a detection hole.
Background
Most of present equipment is in order to make things convenient for later stage detection and look over the inside condition of equipment, often leaves the operation inspection hole outside equipment. In order to detect and view the internal conditions of the equipment, the hole is often large, and the hole cover is often mounted on the equipment in a manner of being fixed by a plurality of screws on the circumference. However, the connection screws are more, so that the time for mounting and dismounting the hole cover is longer.
Aiming at the problem that the hole cover is difficult to install and disassemble in the prior art, an effective solution is not available at present.
Disclosure of Invention
In order to solve the problems, the invention provides a detection hole, wherein a support frame and a hole cover matched with the support frame are arranged in a hole seat, and the support frame and the hole cover are fixed through a fastener, so that the simple installation of the hole cover is realized; and when the manhole cover is disassembled, the manhole cover can be simply disassembled only by disassembling the fastening piece, so that the problem that the manhole cover of the inspection hole is difficult to install and disassemble is solved.
To achieve the above object, the present invention provides a detection hole, comprising: a hole seat, a hole cover and a support frame; the hole seat is annular, and an installation groove is formed in the inner side of the hole seat; the end part of the supporting frame is clamped in the mounting groove; the hole cover is clamped inside the hole seat and positioned on one side of the support frame, and the fastener sequentially penetrates through the hole cover and the support frame to fix the hole cover and the support frame.
Further optionally, the support frame includes a mounting portion and support claws extending from the mounting portion in three directions; the included angle between two adjacent supporting claws is 120 degrees, and the end parts of the three supporting claws are clamped in the mounting groove.
Further optionally, a first through hole is formed in the middle of the mounting portion in the vertical direction, and a locking thread matched with the external thread of the fastener is arranged in the through hole; and a second through hole is formed in the middle of the hole cover corresponding to the first through hole and used for allowing the fastener to pass through.
Further optionally, a clamping step is arranged inside the second through hole, and the clamping step is used for clamping the sealing ring and is extruded and sealed through a fastener.
Further optionally, each of the prongs includes a shaft portion and an end portion; the end part is connected with the mounting part through a rod part; the end portion comprises a mounting claw matched with the mounting groove; and a support frame inlet corresponding to the support claw is formed in the upper surface of the mounting groove of the hole seat, and the mounting claw enters the mounting groove from the support frame inlet.
Further optionally, a radial sealing groove and an axial sealing surface are arranged on the inner side of the hole seat; the axial sealing surface is annular and is used for sealing the mounting end of the hole cover; an annular groove is formed in the position, corresponding to the axial sealing surface, of the hole cover and used for installing and clamping the sealing ring; the radial sealing groove is arranged on one side of the axial sealing surface mounting hole cover, the mounting groove is arranged on the other side of the axial sealing surface, and the sealing groove is used for clamping a sealing ring.
Further optionally, an annular protrusion is disposed at a position where the axial sealing surface corresponds to the groove of the hole cover.
Further optionally, the fastener is a screw.
The technical scheme has the following beneficial effects: the embodiment of the invention designs an operation detection hole structure capable of being quickly installed and disassembled, the structure can realize quick installation and disassembly of an operation detection hole cover, and the problem that the disassembly is long when the traditional hole cover is connected by a screw only is solved; the hole seat is welded on the equipment shell, a support frame which can be conveniently disassembled is arranged on the hole seat and used for installing and fixing the hole cover, the axial displacement of the support frame in the hole seat is limited, and the support frame and the hole cover are fixed by using the tightening force and the reaction force among the support frame, the hole cover and the fastener; the invention has simple structure and can meet the operation detection requirements of various devices; the detection hole structure can meet the sealing requirement, and the sealing reliability of the detection hole is ensured by two sealing methods of radial sealing and end face sealing; when the hole cover is disassembled, only one fastener in the middle of the hole cover needs to be unscrewed, time and labor are saved, and the requirement of quick operation is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a detection hole provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a socket of a detection hole provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a supporting frame and a hole seat assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a support frame provided in an embodiment of the present invention.
Reference numerals: 1-hole seat 2-hole cover 3-support frame 4-fastener 5-axial sealing surface 6-radial sealing groove 7-clamping step 8-mounting groove 9-support frame inlet 301-rod part 302-mounting claw 303-mounting part 304-first through hole
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the above-mentioned problem that the hole cover 2 is difficult to mount and dismount, an embodiment of the present invention provides a manhole, fig. 1 is a schematic structural diagram of the manhole provided in the embodiment of the present invention, fig. 2 is a schematic structural diagram of a seat of the manhole provided in the embodiment of the present invention, as shown in fig. 1 and fig. 2, the manhole includes: the hole cover comprises a hole seat 1, a hole cover 2 and a support frame 3; the hole seat 1 is annular, and an installation groove 8 is formed in the inner side of the hole seat; the end part of the support frame 3 is clamped in the mounting groove 8; the hole cover 2 is clamped inside the hole seat 1 and positioned on one side of the support frame 3, and the fastener 4 sequentially penetrates through the hole cover 2 and the support frame 3 to fix the hole cover and the support frame.
As shown in FIG. 1, the inspection well comprises a well base 1, wherein the well base 1 and a well cover 2 are detachable structures. Specifically, the bore seat 1 is substantially annular, an annular mounting groove 8 is formed in the inside thereof, and the top and bottom of the mounting groove 8 protrude toward the inside of the bore seat 1, thereby forming the mounting groove 8.
The end of the support frame 3 is supported in the mounting groove 8, and when the hole cover 2 is not mounted, the support frame 3 can rotate in any direction in the mounting groove 8.
The hole seat 1 is placed from the upper part of the mounting groove 8, the mounting edge of the hole seat 1 is clamped above the support frame 3, when the hole cover 2 is clamped, the fastener 4 sequentially penetrates through the hole cover 2 and the support frame 3 from the upper part so as to fix the support frame 3 and the hole cover 2 together to form a complete detection hole, and at the moment, the relative position of the hole cover 2 and the support frame 3 is fixed. Therefore, the hole cover 2 can be fixed in the hole seat 1 by adopting one fastening piece 4, and when the hole cover is disassembled, the fastening piece 4 only needs to be taken out of the hole cover 2, so that the simple disassembly of the hole cover 2 can be realized.
By adopting the scheme, the problem that the hole cover of the detection hole is difficult to install and disassemble is solved, the loading and unloading efficiency of the hole cover is improved, the labor cost is reduced, and the requirement of quick operation is met.
As an alternative implementation manner, fig. 3 is a schematic structural diagram of the assembly of the support frame and the hole seat provided in the embodiment of the present invention, and as shown in fig. 3, the support frame 3 includes a mounting portion 303 and supporting claws extending from the mounting portion 303 in three directions; the included angle between two adjacent supporting claws is 120 degrees, and the end parts of the three supporting claws are clamped in the mounting groove 8.
As shown in fig. 3, the supporting frame 3 includes a supporting portion in the middle, and supporting claws extending from the supporting portion to three directions, and an included angle between two adjacent supporting claws is 120 °, that is, three supporting claws are uniformly arranged on the same plane. The tip dress card of a claw is in installation slot 8 to with support frame 3 integral erection on hole seat 1, support frame 3 is detachable with hole seat 1.
As an alternative embodiment, the support legs of the support frame 3 are telescopic, and the length of the support legs is fixed when the ends of the support legs extend into the mounting grooves 8.
Thus, the installation and the removal of the subsections of the detection hole can be realized. When the detection hole is assembled, the end part of the support frame 3 is firstly clamped into the mounting groove 8, the hole cover 2 is mounted at the top of the support frame 3, and the hole cover 2 and the support frame 3 are fixedly mounted through the fastener 4, so that the mounting of the detection hole is completed; when the inspection hole is disassembled, the fastening piece 4 is disassembled from the hole cover 2, then the hole cover 2 is moved away, and finally the support frame 3 is taken out of the mounting groove 8, so that the disassembly of the inspection hole is completed.
As an optional implementation manner, a first through hole 304 is formed in the middle of the mounting portion 303 in the vertical direction, and a locking thread adapted to the external thread of the fastener 4 is arranged in the through hole; and a second through hole is formed in the middle of the hole cover 2 corresponding to the first through hole 304 and used for allowing the fastening piece 4 to pass through.
Fig. 4 is a schematic structural diagram of the support frame according to the embodiment of the present invention, as shown in fig. 4, a vertical first through hole 304 is formed in the middle of the mounting portion 303 of the support frame 3, and a locking thread is formed on the inner wall of the first through hole 304, and the locking thread is matched with the external thread of the fastening member 4; the middle part of the hole cover 2 is provided with a second through hole corresponding to the first through hole 304, and the second through hole is a unthreaded hole for allowing the fastening piece 4 to pass through.
As an alternative embodiment, as shown in fig. 1, a clamping step 7 is provided inside the second through hole, and the clamping step 7 is used for clamping the sealing ring and is pressed and sealed by the fastening member 4.
The inside of the second through hole is provided with a clamping step 7, and a sealing ring is arranged at the top of the clamping step 7 in the figure 1 so as to ensure the sealing in the shell body arranged in the detection hole. In addition, the clamping step 7 can limit the depth length of the fastening piece 4, when the fastening piece 4 is screwed, the fastening piece 4 drives the supporting frame 3 to move upwards, so that the supporting frame 3 and the hole cover 2 are closer, the distance between the supporting frame and the hole cover 2 is reduced as far as possible, and at the moment, the sealing ring at the top of the clamping step 7 is also extruded by the fastening piece 4, so that the sealing effect is improved.
As an alternative embodiment, each prong includes a stem 301 and an end; the end part is connected with the mounting part 303 through a rod part 301; the end portion comprises a mounting claw 302 adapted to the mounting groove 8; the upper surface of the mounting groove 8 of the hole seat 1 is provided with a support frame 3 inlet corresponding to the support claw, and the mounting claw 302 enters the mounting groove 8 from the support frame 3 inlet.
As shown in fig. 4, each of the supporting arms of the supporting frame 3 is composed of a rod portion 301 and an end portion, wherein the rod portion 301 connects the mounting portion 303 and the end portion, and the end portion has a protruding mounting arm 302, the length of the mounting arm 302 is such that all three supporting arms can enter the mounting groove 8 from the entrance of the corresponding supporting frame 3, and after entering the mounting groove 8, abut against the mounting groove 8, and the supporting frame 3 can rotate freely.
The mounting steps of the mounting frame are as follows: aim at the 3 entrances of support frame that correspond with the tip of the three claw of mounting bracket, pack into mounting groove 8 with the tip of mounting bracket from 3 entrances of support frame, make the tip of three claw all offset with mounting groove 8's inner wall, rotate support frame 3 afterwards, make the 3 entrances of support frame that stagger of three tip, realize the installation of support frame 3 and hole seat 1.
As an alternative embodiment, the inside of the bore seat 1 is provided with a radial sealing groove 6 and an axial sealing surface 5; the axial sealing surface 5 is annular and is used for sealing the mounting end of the hole cover 2; an annular groove is formed in the position, corresponding to the axial sealing surface 5, of the hole cover 2 and is used for installing and clamping a sealing ring; the radial sealing groove 6 is arranged on one side of the axial sealing surface 5, on which the hole cover 2 is arranged, the mounting groove 8 is arranged on the other side of the sealing surface, and the radial sealing groove 6 is used for clamping a sealing ring.
As shown in fig. 1 and 2, the inner wall of the bore seat 1 is further provided with a radial sealing groove, a sealing ring is already installed in the radial sealing groove 6 in fig. 1, and the radial sealing groove 6 is arranged in parallel with the installation groove 8.
The axial sealing surface 5 is a platform, and as an alternative embodiment, the outer surface of the upper wall of the sealing groove is the axial sealing surface 5, and correspondingly, the bottom of the hole cover 2 is provided with an annular groove, as shown in fig. 1, and a sealing ring is clamped between the annular groove and the sealing surface.
Referring to fig. 1, a radial sealing groove 6, an axial sealing surface 5 and a mounting groove 8 are sequentially arranged on a hole seat 1 from top to bottom, when a hole cover 2 is mounted, a fastener 4 fastens and drives a support frame 3 to approach the hole cover 2 until the end part of the support frame props against the upper surface of the mounting groove 8, the fastener 4 is continuously fastened, the support frame 3 cannot move upwards any more, the hole cover 2 presses towards the hole seat 1 under the action of screwing force, and a sealing ring at the axial sealing surface 5 deforms under the action of stress, so that the sealing effect is achieved.
As an alternative embodiment, the axial sealing surface 5 is provided with an annular projection in a position corresponding to the groove of the orifice cover 2.
The axial sealing surface 5 is provided with an annular bulge, so that when the hole cover 2 extrudes the sealing ring to the axial sealing surface 5, the sealing area is reduced, and the sealing reliability is improved.
As an alternative embodiment, the fastening element 4 is a screw.
The first embodiment,
The operation detection hole is composed of a hole seat, a sealing ring I, a hole cover, a supporting frame, a tightening screw, a sealing gasket and a sealing ring II.
The hole seat is provided with two seals, namely a radial seal groove and an axial seal surface. A supporting frame mounting groove is designed below the sealing surface, and a supporting frame inlet is reserved on the supporting frame mounting groove.
The support frame is provided with three groups of support claws of the support frame and a support frame locking thread. The support frame supporting claws are placed into the support frame mounting grooves from the support frame inlet on the hole seat, and the tightening screws are screwed into the support frame locking threads through the unthreaded holes in the hole covers.
The assembly process of the detection hole is as follows: and respectively installing the sealing ring I and the sealing ring II into the sealing groove of the hole seat and the sealing groove on the hole cover. And placing the support frame support claw into the support frame mounting groove from the support frame inlet on the hole seat, and rotating the support frame to enable the support frame to slide in the support frame mounting groove to avoid the support frame inlet. And pushing the hole cover provided with the sealing ring II into the hole seat, and sequentially arranging the sealing gasket and the tightening screw into the round hole in the middle of the hole cover. And (4) screwing the screw by using a tool to enable the three groups of support claws of the support frame to be jacked to the upper surface of the support frame mounting groove 8. And the screw is screwed continuously, and the hole cover is pressed to the hole seat under the action of the screwing force because the support frame can not move upwards, so that the sealing ring I deforms under the action of the force, and the sealing effect is achieved.
The technical scheme has the following beneficial effects: the embodiment of the invention designs an operation detection hole structure capable of being quickly installed and disassembled, and the structure can realize quick installation and disassembly of an operation detection hole cover, thereby avoiding the problem that the traditional hole cover is long in disassembly time when only connected by using a screw; the hole seat is welded on the equipment shell, a support frame which can be conveniently disassembled is arranged on the hole seat and used for installing and fixing the hole cover, the axial displacement of the support frame in the hole seat is limited, and the support frame and the hole cover are fixed by using the tightening force and the reaction force among the support frame, the hole cover and the fastener; the invention has simple structure and can meet the operation detection requirements of various devices; the detection hole structure can meet the sealing requirement, and the sealing reliability of the detection hole is ensured by two sealing methods of radial sealing and end face sealing; when the hole cover is disassembled, only one fastener in the middle of the hole cover needs to be unscrewed, time and labor are saved, and the requirement of quick operation is met.
The above embodiments of the present invention have been described in detail to illustrate the objects, technical solutions and advantages of the invention, and it should be understood that the above embodiments are only illustrative of the present invention and are not intended to limit the scope of the invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the invention should be included in the scope of the invention.
Claims (8)
1. A manhole, comprising:
a hole seat, a hole cover and a support frame;
the hole seat is annular, and an installation groove is formed in the inner side of the hole seat;
the end part of the supporting frame is clamped in the mounting groove;
the hole cover is clamped inside the hole seat and positioned on one side of the support frame, and the fastener sequentially penetrates through the hole cover and the support frame to fix the hole cover and the support frame.
2. The manhole according to claim 1, wherein:
the supporting frame comprises an installation part and supporting claws extending from the installation part to three directions;
the included angle between two adjacent supporting claws is 120 degrees, and the end parts of the three supporting claws are clamped in the mounting groove.
3. The manhole according to claim 2, wherein:
a first through hole is formed in the middle of the mounting part in the vertical direction, and a locking thread matched with the external thread of the fastener is arranged in the through hole;
and a second through hole is formed in the middle of the hole cover corresponding to the first through hole and used for allowing the fastening piece to pass through.
4. The manhole according to claim 3, wherein:
and a clamping step is arranged in the second through hole and used for clamping the sealing ring and extruding and sealing through a fastening piece.
5. The manhole according to claim 2, wherein:
each supporting claw comprises a rod part and an end part;
the end part is connected with the mounting part through a rod part;
the end portion comprises a mounting claw matched with the mounting groove;
and a support frame inlet corresponding to the support claw is formed in the upper surface of the mounting groove of the hole seat, and the mounting claw enters the mounting groove from the support frame inlet.
6. The manhole according to claim 1, wherein:
a radial sealing groove and an axial sealing surface are arranged on the inner side of the hole seat;
the axial sealing surface is annular and is used for sealing the mounting end of the hole cover; an annular groove is formed in the position, corresponding to the sealing surface, of the hole cover and used for installing and clamping the sealing ring;
the sealing groove is arranged on one side of the sealing surface mounting hole cover, the mounting groove is arranged on the other side of the sealing surface, and the sealing groove is used for clamping the sealing ring.
7. The detection well according to claim 6, wherein:
and an annular bulge is arranged at the position of the axial sealing surface corresponding to the groove of the hole cover.
8. The manhole according to claim 1, wherein:
the fastener is a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170531.XA CN114439940A (en) | 2022-02-24 | 2022-02-24 | Detection hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210170531.XA CN114439940A (en) | 2022-02-24 | 2022-02-24 | Detection hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114439940A true CN114439940A (en) | 2022-05-06 |
Family
ID=81373918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210170531.XA Pending CN114439940A (en) | 2022-02-24 | 2022-02-24 | Detection hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114439940A (en) |
-
2022
- 2022-02-24 CN CN202210170531.XA patent/CN114439940A/en active Pending
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