CN217269771U - Manhole with labor-saving structure - Google Patents
Manhole with labor-saving structure Download PDFInfo
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- CN217269771U CN217269771U CN202123323386.4U CN202123323386U CN217269771U CN 217269771 U CN217269771 U CN 217269771U CN 202123323386 U CN202123323386 U CN 202123323386U CN 217269771 U CN217269771 U CN 217269771U
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- manhole
- cylinder body
- connecting rod
- labor
- block
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Abstract
The utility model provides a manhole with a labor-saving structure, which comprises a manhole cover, a connecting rod, a cylinder body and an elastic piece; the manhole cover is hinged on the manhole structure body in an opening and closing manner; one end of the connecting rod is hinged with the manhole cover, the other end of the connecting rod extends into the cylinder body and is fixedly connected with a stop block, and the stop block can be attached to the inner wall of the cylinder body to move horizontally; the elastic part is positioned in the cylinder body and sleeved on the connecting rod, the front end and the rear end of the elastic part are respectively abutted against the front end of the cylinder body and the stop block, and when the connecting rod is pulled out of the cylinder body, the stop block forwardly extrudes the elastic part; when the manhole cover is opened, the elastic piece pushes the connecting rod backwards. The utility model discloses when the manhole is opened to needs, the manhole cover only need an operative employee alright in order to easily open, save time, laborsaving, safety.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment, concretely relates to take manhole of laborsaving structure.
Background
The manhole is a passage for people to enter the equipment, so the manhole is large, and internal parts are overhauled, cleaned and replaced when entering the equipment through the manhole. Because the internal pressure is bigger when some chemical industry, medical equipment work, in order to guarantee the intensity and the security of manhole, the design of manhole part is more thick and solid, therefore the manhole cover is more strenuous when opening, often needs 2-3 people to open.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a manhole of laborsaving structure in order to solve above technical problem.
A manhole with a labor-saving structure comprises a manhole cover, a connecting rod, a cylinder body and an elastic piece;
the manhole cover is hinged on the manhole structure body in an opening and closing manner;
one end of the connecting rod is hinged with the manhole cover, the other end of the connecting rod extends into the cylinder body and is fixedly connected with a stop block, and the stop block can be attached to the inner wall of the cylinder body to move horizontally;
the elastic part is positioned in the cylinder body and sleeved on the connecting rod, the front end and the rear end of the elastic part are respectively abutted against the front end of the cylinder body and the stop block, and when the connecting rod is pulled out of the cylinder body, the stop block forwardly extrudes the elastic part; when the manhole cover is opened, the elastic piece pushes the connecting rod backwards.
Preferably, the outer wall of the manhole structure body is fixedly connected with a fixed supporting block, the fixed supporting block is hinged to one end of a movable supporting block, the fixed supporting block and the movable supporting block are of elbow structures and are installed oppositely, the bent part of the movable supporting block is hinged to the connecting rod, and the other end of the movable supporting block is fixedly connected to the outer edge of the manhole cover.
Preferably, the device also comprises a connecting block, one end of the connecting block is fixed on the fixed supporting block, and the other end of the connecting block is hinged on the cylinder body.
Preferably, the cylinder body comprises a cylinder body and a front end cover which are detachably connected, a cap protruding forwards is mounted on the front end cover, and the connecting block is hinged to the cap.
Preferably, the front end cover and the cap are provided with insertion holes for inserting the connecting rods.
Preferably, the front end cover and the cylinder body are locked by a bolt installed along the radial direction of the cylinder body.
Preferably, the elastic member is a compression spring.
The utility model has the advantages that:
the utility model discloses a cylinder body is articulated outside the manhole structure body, the connecting rod that can slide is installed on the cylinder body, one end of connecting rod is articulated with the manhole cover, the other end stretches into the cylinder body, and suit the elastic component on the connecting rod, the one end fixed mounting dog that the connecting rod is located the cylinder body, the both ends of elastic component butt respectively the front end and the dog of cylinder body, when the manhole cover closes, the connecting rod is pulled out of the cylinder body, the dog extrudes the elastic component forward, make the elastic component hold power; when the manhole cover is opened, the connecting rod moves backwards along with the opened manhole cover, meanwhile, the elastic piece releases pressure to push the connecting rod backwards until most of the connecting rod is pulled into the cylinder body, and the connecting rod drives the manhole cover to turn outwards, so that the effect of opening the cover in a labor-saving manner is achieved.
The utility model discloses when the manhole is opened to needs, the manhole cover only needs an operative employee alright with easily opening, saves time, laborsaving, safety.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the manhole cover of the present invention when closed;
fig. 2 is a schematic structural view of the manhole cover of the present invention when opened.
Labeled as: 1. a manhole structure; 2. a manhole cover; 3. a connecting rod; 4. connecting blocks; 5. a cylinder body; 6. an elastic member; 7. locking; 8. fixing a supporting block; 9. a movable supporting block; 10. a stopper; 11. a cylinder body; 12. a front end cover; 13. capping; 14. and (4) bolts.
Detailed Description
As shown in fig. 1 to 2, a manhole with a labor saving structure includes a manhole structure body 1, a manhole cover 2, a connecting rod 3, a connecting block 4, a cylinder 5, and an elastic member 6.
The manhole cover 2 is hinged on the manhole structure 1 in an opening and closing manner, a lock catch 7 is mounted on the other side, opposite to the hinge point, of the manhole cover 2, and the manhole cover 2 is closed in a normal state and is locked on the manhole structure 1 through the lock catch 7.
The outer wall of the manhole structure body 1 is fixedly provided with a fixed supporting block 8, and the fixed supporting block 8 can be welded or screwed on the manhole structure body. The edge of the outer wall of the manhole cover 2 is fixedly provided with a movable supporting block 9, the fixed supporting block 8 and the movable supporting block 9 are both elbow structures and are arranged oppositely, and the end parts of the two are hinged with each other.
The bending part of the movable supporting block 9 is hinged with a connecting rod 3, and the other end is fixedly connected with the outer edge of the manhole cover 2. The movable supporting block 9 can rotate around the hinge point thereof along with the opening and closing action of the manhole cover 2.
One end of the connecting block 4 is screwed or welded on the fixed supporting block 8, and the other end is hinged on the cylinder body 5. The connecting block 4 is used to support the cylinder 5 and allow the cylinder 5 to rotate slightly automatically to accommodate the opening and closing of the manhole cover 2.
One end of the connecting rod 3 is hinged with the manhole cover 2, the other end of the connecting rod extends into the cylinder body 5, the end part of the connecting rod is fixedly connected with a stop block 10, and the diameter of the stop block 10 is matched with the inner diameter of the cylinder body 5, so that the stop block can move horizontally along the inner wall of the cylinder body 5.
The cylinder body 5 comprises a cylinder body 11 and a front end cover 12 which are detachably connected, so that the connecting rod 3 and the elastic body 6 can be conveniently installed. The front end cover 12 and the cylinder body 11 are locked by a bolt 14 installed along the radial direction of the cylinder body, and the front end cover 12 and the cylinder body 11 can also be fixed by other detachable installation modes, such as screw connection, clamping connection and the like.
The elastic piece 6 is positioned in the cylinder body 5 and sleeved on the connecting rod 3, the elastic piece 6 can be a compression spring, the front end and the rear end of the elastic piece 6 are respectively abutted against the front end cover 12 and the stop block 10 of the cylinder body 5, and when the connecting rod 3 is pulled out of the cylinder body, the stop block 10 extrudes the elastic piece 6 forwards to enable the elastic piece 6 to compress and store force; when the manhole cover 2 is opened, the elastic piece 6 releases pressure to push the stop block 10 towards the inner side of the cylinder body, so that the connecting rod 3 automatically pulls the manhole cover 2 backwards, and the labor-saving uncovering is realized.
Wherein, a cap 13 protruding forwards is arranged on the front end cover 12, and the connecting block 4 is hinged on the cap 13. The front end cover 12 and the cap 13 are provided with insertion holes into which the connecting rods 3 are inserted, and the connecting rods 3 slide back and forth along the insertion holes.
The utility model discloses a theory of operation does:
when the manhole cover 2 is in a closed state, the front end of the connecting rod 3 is stretched out of the cylinder body 5, the stop block 10 is also pulled forwards along with the connecting rod 3, and the elastic piece 6 is compressed and stores force under the extrusion of the stop block 10; while the other side of the manhole cover 2 is locked by a catch 7.
When the manhole cover 2 needs to be opened, the lock catch 7 is opened, the manhole cover 2 is rotated upwards, the elastic piece 6 pushes the stop block 10 backwards when releasing pressure, the connecting rod 3 moves towards the rear side in the cylinder body 5 along with the stop block 10, and then the movable supporting block 9 hinged with the connecting rod 3 is rotated to drive the manhole cover 2 fixedly connected with the movable supporting block 9 to rotate backwards, so that the manhole cover 2 is opened easily.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A manhole with a labor-saving structure is characterized by comprising a manhole cover, a connecting rod, a cylinder body and an elastic piece;
the manhole cover is hinged on the manhole structure body in an opening and closing manner;
one end of the connecting rod is hinged with the manhole cover, the other end of the connecting rod extends into the cylinder body and is fixedly connected with a stop block, and the stop block can be attached to the inner wall of the cylinder body to move horizontally;
the elastic part is positioned in the cylinder body and sleeved on the connecting rod, the front end and the rear end of the elastic part are respectively abutted against the front end of the cylinder body and the stop block, and when the connecting rod is pulled out of the cylinder body, the stop block forwardly extrudes the elastic part; when the manhole cover is opened, the elastic piece pushes the connecting rod backwards.
2. The manhole with the labor-saving structure as claimed in claim 1, wherein a fixed support block is fixedly connected to the outer wall of the manhole structure, the fixed support block is hinged to one end of a movable support block, the movable support block is of an elbow structure, the bent portion of the movable support block is hinged to the connecting rod, and the other end of the movable support block is fixedly connected to the outer edge of the manhole cover.
3. The manhole with a labor saving structure of claim 2, wherein the fixed support block is also of an elbow structure, and the fixed support block and the movable support block are installed to face each other.
4. The manhole with a labor-saving structure as claimed in claim 2 or 3, further comprising a connecting block, wherein one end of the connecting block is fixed to the fixed supporting block, and the other end is hinged to the cylinder body.
5. The manhole with a labor-saving structure of claim 4, wherein the cylinder body comprises a cylinder body and a front end cap detachably connected, the front end cap is provided with a cap protruding forwards, and the connecting block is hinged to the cap.
6. The manhole with the labor-saving structure of claim 5, wherein the front cover and the cap are provided with insertion holes into which the connection rods are inserted.
7. Labor-saving manhole according to claim 5, wherein the front cover is locked with the cylinder body by a bolt installed in a radial direction of the cylinder body.
8. The manhole with a labor saving structure of any one of claims 1 to 3, wherein the elastic member is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323386.4U CN217269771U (en) | 2021-12-27 | 2021-12-27 | Manhole with labor-saving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323386.4U CN217269771U (en) | 2021-12-27 | 2021-12-27 | Manhole with labor-saving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217269771U true CN217269771U (en) | 2022-08-23 |
Family
ID=82890074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123323386.4U Active CN217269771U (en) | 2021-12-27 | 2021-12-27 | Manhole with labor-saving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217269771U (en) |
-
2021
- 2021-12-27 CN CN202123323386.4U patent/CN217269771U/en active Active
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