CN215632344U - Rotary lock for manhole cover - Google Patents
Rotary lock for manhole cover Download PDFInfo
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- CN215632344U CN215632344U CN202122069562.XU CN202122069562U CN215632344U CN 215632344 U CN215632344 U CN 215632344U CN 202122069562 U CN202122069562 U CN 202122069562U CN 215632344 U CN215632344 U CN 215632344U
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- locking
- well lid
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- well
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Abstract
The rotary lock of the well lid comprises the well lid, a well seat and a locking piece, wherein the well seat is provided with a well mouth, the well lid is provided with an upper locking groove, and the upper locking groove comprises an upper groove and an upper insertion hole arranged at the bottom of the upper groove; the well seat is provided with a lower locking groove, and the lower locking groove comprises a lower jack and a first clamping groove below the lower jack; when the well lid covers the well mouth, the upper locking groove is positioned above the lower locking groove, and the upper insertion hole is opposite to the lower insertion hole to form a locking hole; the locking piece comprises a knob and a lock head, and the knob is arranged above the lock head; the knob is arranged in the upper lock groove, the lock head can extend into the first clamping groove from the lock hole, and the lock head can be clamped into the first clamping groove by rotating the lock piece. The tapered end inserts to first draw-in groove in from the lockhole, and rotatory latch fitting just can be with the well lid lock on the well seat, well lid simple to operate, swift. The locking bolt can draw the knob and the lock head close, so that the well cover and the well seat are locked more tightly.
Description
Technical Field
The utility model relates to the field of well lids, in particular to a rotary lock of a well lid.
Background
A manhole cover is a product for covering roads or deep wells to prevent people or objects from falling. The common well lid is simple in structure, the well lid can be shielded by being placed on the vertical shaft, and the well lid is easy to turn up or steal. The well lid subassembly that has the well lid lock has appeared on the market, and the well lid lock can be with the well lid lock on the well seat, but the well lid lock installation on the market is loaded down with trivial details, installation time is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide the rotary lock for the well lid, which is fast to install.
In order to achieve the purpose, the technical solution of the utility model is as follows: the rotary lock of the well lid comprises the well lid, a well seat and a locking piece, wherein the well seat is provided with a well mouth, the well lid is provided with an upper locking groove, and the upper locking groove comprises an upper groove and an upper insertion hole arranged at the bottom of the upper groove; the well seat is provided with a lower locking groove, and the lower locking groove comprises a lower jack and a first clamping groove below the lower jack; when the well lid covers the well mouth, the upper locking groove is positioned above the lower locking groove, and the upper insertion hole is opposite to the lower insertion hole to form a locking hole;
the locking piece comprises a knob and a lock head, and the knob is arranged above the lock head; the knob is arranged in the upper lock groove, the lock head can extend into the first clamping groove from the lock hole, and the lock head can be clamped into the first clamping groove by rotating the lock piece.
Insert the tapered end of latch fitting to first draw-in groove in from the lockhole, rotatory latch fitting just can be with the well lid lock on the well seat, well lid simple to operate, swift.
Preferably, the latch fitting still includes locking bolt, and locking bolt sets up on the knob, and locking bolt's lower extreme passes the bottom and tapered end threaded connection of knob. The locking bolt is screwed up to pull up the lock head, so that the well cover and the well seat are further pressed and locked.
Preferably, the knob comprises a rotary table and a boss protruding out of the middle of the rotary table, a head hole is formed in the middle of the boss, a bolt head used for screwing the locking bolt is arranged at the upper end of the locking bolt, and the bolt head is arranged in the head hole.
Preferably, the lock head comprises a lock head body and a clamping block protruding from the side part of the lock head body, and a stop block used for blocking the clamping block from rotating is arranged in the first clamping groove. The lug boss is used for grabbing and twisting the knob by fingers, and the head hole can prevent the head of the bolt from being exposed and being rolled by the wheel. The locking piece is rotated to rotate the lock head, so that the clamping block is rotated into the first clamping groove until the clamping block is blocked by the stop block. The stop block is used for limiting the rotation angle of the lock head.
Preferably, the well lid is equipped with the position sleeve that stretches out downwards at the lower extreme of last jack, and the middle part of jack is equipped with the locating hole down, and when the well lid covered the well head, the position sleeve inserted in the locating hole. The cooperation of position sleeve and locating hole is used for when installing on the well seat for the well lid, fixes a position for go up the locked groove and can be to being in the same place with lower locked groove.
Preferably, the well lid includes well lid body and protrusion in the ear of well lid body periphery, goes up the lock slot setting in the ear, the top of well seat be equipped with the appearance assorted well lid groove of well lid, when the well lid covers the well head, the well lid is located the well lid inslot. The ear is used for increasing the area of contact of well lid and well seat, gives latch fitting installation space simultaneously, and the ear can also regard as the location position of well lid when the well seat installation.
Preferably, the upper part of the lock head and the lower part of the knob can be movably sleeved up and down, the cross section of the sleeved fit of the upper part of the lock head and the lower part of the knob is non-circular, and the lock head can be driven to rotate by rotating the knob. The upper portion of tapered end and the lower part of knob cup joint the non-circular cross-section of cooperation can be spline, polygon, ellipse etc. and the tapered end can be driven to rotate when the knob rotates, is that the tapered end changes over into first draw-in groove.
Preferably, the top of the first clamping groove is provided with a second clamping groove, and the lock head can move upwards and can be clamped into the second clamping groove. The second clamping groove can be arranged near the stop block, when the clamping block of the lock head is clamped by the stop block, the locking bolt is screwed, the lock head can move upwards, and the clamping block moves upwards synchronously and is clamped into the second clamping groove.
Preferably, the periphery of well lid is equipped with the rubber coating, and the side of well lid is covered to the rubber coating, and the lower extreme of rubber coating extends to the bottom surface of well lid, and the rubber coating on the well lid bottom surface is equipped with a plurality of convex sand grips downwards. The rubber coating is rubber and is attached to the outer edge of the well lid through heating. The contact surface of well lid and well seat is rubber coating and cast iron contact, can reduce the production of noise when the well lid is rolled effectively. The sand grip also has elasticity, and when the well lid was locked to the latch fitting, the sand grip was compressed, made well lid and well seat combine tighter.
By adopting the technical scheme, the utility model has the beneficial effects that: according to the well cover, the lock head of the locking piece is inserted into the first clamping groove from the lock hole, the well cover can be locked on the well base by rotating the locking piece, and the well cover is convenient and quick to install. The locking bolt can draw the knob and the lock head close, so that the well cover and the well seat are locked more tightly.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of a partial structure of the manhole cover of the present invention;
FIG. 3 is a schematic view of a partial structure of the bottom of the well lid of the present invention;
FIG. 4 is a schematic diagram of the well base of the present invention;
FIG. 5 is a schematic view of the structure within the first card slot of the well base of the present invention;
figure 6 is a schematic view of the construction of a lock of embodiment 1 of the present invention;
FIG. 7 is a schematic view of the structure of a locking device for locking a well lid and a well base according to embodiment 1 of the present invention;
figure 8 is a schematic view of the construction of a lock of embodiment 2 of the present invention;
FIG. 9 is a schematic view of the embodiment 2 of the present invention showing the locking member locking the well lid and the well base;
FIG. 10 is a schematic view of the embodiment 3 of the present invention showing the locking member locking the well lid and the well base;
figure 11 is a schematic view of the construction of a lock of embodiment 4 of the present invention;
fig. 12 is a schematic structural view of the inside of the first engaging groove of the well base according to embodiment 4 of the present invention;
description of the main reference numerals:
a well cover 1; an upper locking groove 11; an upper groove 111; an upper insertion hole 112; a well lid body 12; encapsulating 13; a convex strip 131; a positioning sleeve 14; an ear portion 15; a well base 2; a lower locking groove 21; a first card slot 211; a lower insertion hole 212; positioning holes 213; a wellhead 22; a well cover groove 23; a stopper 25; a second card slot 26; a locking piece 3; a knob 31; a boss 311; a head hole 312; a lock head 32; a latch 321; a lock bolt 33; the bolt head 331; a first nut 34; a second nut 35; a dust cover 37.
Detailed Description
The utility model is further described below with reference to the figures and the specific embodiments.
Example 1:
as shown in fig. 1-7, the rotary lock for manhole cover of the present invention comprises a manhole cover 1, a manhole seat 2 and a locking member 3. Well lid 1 includes well lid body 12 and protrusion in the three ear 15 of well lid body 12 periphery, is equipped with fore shaft 11 on every ear 15 of well lid 1. As shown in fig. 2, the upper groove 11 includes an upper groove 111 and an upper insertion hole 112 formed at the bottom of the upper groove 11. The periphery of well lid 1 is equipped with rubber coating 13, and rubber coating 13 is rubber, and rubber coating 13 covers the side of well lid 1, and the lower extreme of rubber coating 13 extends to the bottom surface of well lid 1, and rubber coating 13 on the bottom surface of well lid 1 is equipped with a plurality of downward convex sand grips 131.
As shown in fig. 4 and 5, the well base 2 is provided with the same number of lower locking grooves 21 as the upper locking grooves 11. The lower locking groove 21 includes a lower insertion hole 211 and a first locking groove 211 below the lower insertion hole 212. A stop 25 for stopping the rotation of the stop block 321 is arranged in the first locking groove 211.
As shown in fig. 6, the locking member 3 includes a knob 31, a locking head 32, and a locking member body, wherein the knob 31 is disposed above the locking head 32, and the knob 31 and the locking head 32 are respectively disposed at the upper and lower ends of the locking member body. The lock cylinder 32 includes a lock cylinder body and two locking blocks 321 that respectively protrude from left and right sides of the lock cylinder body.
As shown in fig. 1 and 7, the well base 2 is provided with a well head 22, and the well cover 1 is placed on the well base and covers the well head 22. When the well lid 1 covers the wellhead 22, the well lid 2 contacts the well base through the encapsulation 13. The upper lock groove 11 is located above the lower lock groove 21, and the upper insertion hole 112 faces the lower insertion hole 212 to form a lock hole. The knob 31 is disposed in the upper locking groove 11, the locking head 32 can extend into the first locking groove 211 from the locking hole, and the locking member 3 can be rotated to lock the locking head 32 into the first locking groove 211. Turning the knob 21 can rotate the locking member 3, so that the locking block 321 of the locking head 32 rotates into the first locking groove 211 until being blocked by the stop 25, and the locking head 32 stops rotating. The locking piece 32 locks the well cover 1 on the well base 2.
Example 2:
as shown in fig. 1-5, 8 and 9, the rotary lock of the manhole cover of the present invention comprises a manhole cover 1, a manhole seat 2 and a locking member 3.
Well lid 1 includes well lid body 12 and protrusion in the ear 15 of well lid body 12 periphery, is equipped with fore shaft 11 on every ear 15 of well lid 1. As shown in fig. 2, the upper groove 11 includes an upper groove 111 and an upper insertion hole 112 formed at the bottom of the upper groove 11.
As shown in fig. 4 and 5, the well base 2 is provided with a lower locking groove 21. The lower locking groove 21 includes a lower insertion hole 211 and a first locking groove 211 below the lower insertion hole 212. The first locking groove 211 is a transverse groove, the lower insertion hole 212 is a vertical hole, and the lower end of the lower insertion hole 212 is communicated with the first locking groove 211.
As shown in fig. 8 and 9, the locking assembly 3 includes a knob 31, a locking head 32, and a locking bolt 33. The knob 31 is arranged above the lock head 32; the locking bolt 33 is arranged on the knob 31, and the lower end of the locking bolt 33 penetrates through the bottom of the knob 31 to be in threaded connection with the lock head 32. The locking bolt 33 is rotated to drive the locking head 32 to lift. The knob 31 comprises a rotary disc and a boss 311 protruding from the middle of the rotary disc, a head hole 312 is formed in the middle of the boss 311, a bolt head 331 for screwing the locking bolt 33 is arranged at the upper end of the locking bolt 33, and the bolt head 331 is arranged in the head hole 312.
The well seat 2 is provided with a well mouth 22, when the well lid 1 covers the well mouth 22, the upper lock groove 11 is positioned above the lower lock groove 21, and the upper jack 112 faces the lower jack 212 to form a lock hole. The knob 31 is disposed in the upper locking groove 11, the locking head 32 can extend into the first locking groove 211 from the locking hole, and the locking member 3 can be rotated to lock the locking head 32 into the first locking groove 211. The locking bolt 33 can be screwed by stretching the tool into the head hole, so that the lock head 32 is lifted, and the well cover 1 and the well base 2 are pulled close and locked.
Example 3:
as shown in fig. 1-5, 8 and 10, the rotary lock of the manhole cover of the present invention comprises a manhole cover 1, a manhole seat 2 and a locking member 3.
Well lid 1 includes well lid body 12 and protrusion in the ear 15 of well lid body 12 periphery, is equipped with fore shaft 11 on the ear 15. As shown in fig. 2, the upper groove 11 includes an upper groove 111 and an upper insertion hole 112 formed at the bottom of the upper groove 11. The well lid 1 is provided with a positioning sleeve 14 extending downwards at the lower end of the upper insertion hole 112.
As shown in fig. 4 and 5, the well base 2 is provided with a lower locking groove 21. The lower locking groove 21 includes a lower insertion hole 211 and a first locking groove 211 below the lower insertion hole 212. The first locking groove 211 is a sector groove arranged transversely, the lower insertion hole 212 is a vertical hole, and the lower end of the lower insertion hole 212 is communicated with the first locking groove 211. The middle of the lower insertion hole 212 is provided with a positioning hole 213.
As shown in fig. 8 and 10, the locking assembly 3 includes a knob 31, a locking head 32, and a locking bolt 33. The knob 31 is arranged above the lock head 32; the locking bolt 33 is arranged on the knob 31, a first nut 34 is arranged in the knob 31, a second nut 35 is arranged in the lock head 32, and the locking bolt 33 sequentially penetrates through the first nut 34 and the second nut 35 and is in threaded connection. The locking bolt 33 is rotated to drive the locking head 32 to lift.
The well seat 2 is provided with a well mouth 22, and when the well cover 1 covers the well mouth 22, the positioning sleeve 14 is inserted into the positioning hole 213 for positioning. The upper lock groove 11 is located above the lower lock groove 21, and the upper insertion hole 112 faces the lower insertion hole 212 to form a lock hole. The knob 31 is disposed in the upper locking groove 11, the locking head 32 can extend into the first locking groove 211 from the locking hole, and the locking member 3 can be rotated to lock the locking head 32 into the first locking groove 211. The locking bolt 33 is rotated to drive the lock head 32 to ascend, so that the well cover 1 and the well base 2 are pulled close and locked.
Example 4:
as shown in fig. 1-4, 11 and 12, the rotary lock of the manhole cover of the present invention comprises a manhole cover 1, a manhole seat 2 and a locking member 3. Well lid 1 includes well lid body 12 and protrusion in the three ear 15 of well lid body 12 periphery, is equipped with fore shaft 11 on every ear 15 of well lid 1. As shown in fig. 2, the upper groove 11 includes an upper groove 111 and an upper insertion hole 112 formed at the bottom of the upper groove 11.
As shown in fig. 4 and 5, the well base 2 is provided with the same number of lower locking grooves 21 as the upper locking grooves 11. The lower locking groove 21 includes a lower insertion hole 211 and a first locking groove 211 below the lower insertion hole 212. The first locking groove 211 is a sector groove arranged transversely, the lower insertion hole 212 is a vertical hole, and the lower end of the lower insertion hole 212 is communicated with the first locking groove 211. A stop block 25 for stopping the rotation of the clamping block is arranged in the first clamping groove. The top of the first engaging groove 211 is provided with a second engaging groove 26 at a junction position with the stopper, and when the lock head moves upwards, the stopper can be engaged with the second engaging groove 26.
The locking piece 3 comprises a knob 31, a lock head 32 and a locking bolt 33, wherein the knob 31 is arranged above the lock head 32; a locking bolt 33 is provided on the knob 31, and a lower end of the locking bolt 33 is threaded to the locking piece 32 through a bottom of the knob. The upper part of the lock head 32 and the lower part of the knob 31 can be movably sleeved up and down. The cross section of the upper part of the lock head 32 is polygonal, the lower part of the knob is provided with a sleeve hole with the section matched with the shape of the upper part of the lock head 32, and the upper part of the lock head 32 can be sleeved in the sleeve hole in a vertically sliding manner. The knob 31 is rotated to rotate the lock head 32. The lock cylinder 32 includes a lock cylinder body and a latch protruding from a side of the lock cylinder body.
The well seat 2 is provided with a well mouth 22, when the well lid 1 covers the well mouth 22, the knob 31 is arranged in the upper locking groove 11, the upper locking groove 11 is positioned above the lower locking groove 21, and the upper insertion hole 112 faces the lower insertion hole 212 to form a locking hole. The lock head 32 can extend into the first slot 211 from the lock hole, and the knob 31 can be rotated to drive the lock head 32 to rotate, so that the lock block of the lock head 32 is clamped into the first slot 211. The locking bolt 33 is screwed to move the lock head 32 upwards to lock the well lid 1 and the well base, and meanwhile, the clamping block is clamped into the second clamping groove 26.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, and all equivalent variations and modifications made in the claims of the present invention should be included in the scope of the present invention.
Claims (9)
1. The rotary lock of the well lid, including well lid, well seat and latch fitting, there are well heads on the well seat, characterized by that, there are upper lock grooves on the well lid, the upper lock groove includes upper groove and upper jack locating at the bottom of upper groove; the well seat is provided with a lower locking groove, and the lower locking groove comprises a lower jack and a first clamping groove below the lower jack; when the well lid covers the well mouth, the upper locking groove is positioned above the lower locking groove, and the upper insertion hole is opposite to the lower insertion hole to form a locking hole;
the locking piece comprises a knob and a lock head, and the knob is arranged above the lock head; the knob is arranged in the upper lock groove, the lock head can extend into the first clamping groove from the lock hole, and the lock head can be clamped into the first clamping groove by rotating the lock piece.
2. The rotary lock of well lid according to claim 1, wherein the locking member further comprises a locking bolt provided on the knob, and a lower end of the locking bolt passes through a bottom of the knob to be threadedly connected with the locking head.
3. The well lid rotary lock according to claim 2, wherein the knob comprises a rotary plate and a boss protruding from the middle of the rotary plate, the boss is provided with a head hole in the middle, the upper end of the locking bolt is provided with a bolt head for screwing the locking bolt, and the bolt head is arranged in the head hole.
4. The well lid rotary lock according to claim 1, wherein the locking head comprises a locking head body and a locking block protruding from a side portion of the locking head body, and a stopper for stopping the locking block from rotating is provided in the first locking groove.
5. The well lid rotary lock according to claim 1, wherein the well lid is provided with a positioning sleeve extending downward at a lower end of the upper insertion hole, and a positioning hole is provided at a middle portion of the lower insertion hole, and the positioning sleeve is inserted into the positioning hole when the well lid covers the well mouth.
6. The well lid rotary lock of claim 1, wherein the well lid comprises a well lid body and an ear portion protruding from the periphery of the well lid body, the upper locking groove is formed in the ear portion, the top of the well base is provided with a well lid groove matching with the shape of the well lid, and when the well lid covers the well mouth, the well lid is arranged in the well lid groove.
7. The rotary lock of well lid according to claim 2, wherein the upper part of the lock head and the lower part of the knob are movably sleeved up and down, the cross section of the upper part of the lock head and the lower part of the knob in the sleeved fit is non-circular, and the lock head can be driven to rotate by rotating the knob.
8. The well lid rotary lock according to claim 1, wherein a second locking groove is arranged on the top of the first locking groove, and the locking head can be moved upwards and locked into the second locking groove.
9. The well lid rotary lock of claim 1, wherein the outer periphery of the well lid is provided with an encapsulation covering the side surfaces of the well lid, the lower end of the encapsulation extending to the bottom surface of the well lid, the encapsulation on the bottom surface of the well lid being provided with a plurality of downwardly projecting ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122069562.XU CN215632344U (en) | 2021-08-30 | 2021-08-30 | Rotary lock for manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122069562.XU CN215632344U (en) | 2021-08-30 | 2021-08-30 | Rotary lock for manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215632344U true CN215632344U (en) | 2022-01-25 |
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ID=79904164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122069562.XU Active CN215632344U (en) | 2021-08-30 | 2021-08-30 | Rotary lock for manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215632344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530368A (en) * | 2021-08-30 | 2021-10-22 | 泉州博超实业有限公司 | Rotary lock for manhole cover |
-
2021
- 2021-08-30 CN CN202122069562.XU patent/CN215632344U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530368A (en) * | 2021-08-30 | 2021-10-22 | 泉州博超实业有限公司 | Rotary lock for manhole cover |
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