CN110671716A

CN110671716A - Clamp formula manhole cover structure

Info

Publication number: CN110671716A
Application number: CN201910992416.9A
Authority: CN
Inventors: 吴慕中; 周正祥
Original assignee: Taizhou Dongfang New Type Material Co Ltd
Current assignee: Taizhou Dongfang New Type Material Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-01-10

Abstract

The invention discloses a clamp type manhole cover structure, and relates to the technical field of manhole covers. Including the manhole base, the right flank fixed mounting of manhole base has the mounting bracket, there is the connecting plate through first pivot fixed mounting between the curb plate around the mounting bracket, the lower fixed surface of connecting plate installs manhole cover plate, manhole cover plate's upper surface is close to right side fixed mounting and has the mounting box, the right flank of mounting box is close to the left side edge and has the clamp body through second pivot fixed mounting, manhole base and manhole cover plate surface are located to clamp body cover, another end of clamp body is inserted from the mounting box leading flank and is located in the mounting box. According to the manhole cover plate and the manhole base, the clamp body is used for connecting and fixing the manhole cover plate and the manhole base, so that the manhole cover plate is uniformly stressed and better in sealing performance, meanwhile, the clamp body can be disassembled without other articles, the dismounting efficiency of the manhole cover plate is higher, and the labor intensity is reduced.

Description

Clamp formula manhole cover structure

Technical Field

The invention relates to the technical field of manhole covers, in particular to a hoop type manhole cover structure.

Background

The manhole cover is the part that chemical industry heating power complete sets was used always including boiler, reation kettle storage tank, and the main equipment of making things convenient for is when overhauing or installing, and the usefulness of engineering technical staff business turn over, traditional manhole cover is made by the metal sheet, and weight is big, and sound construction is especially in the occasion that needs temperature resistant, withstand voltage, but, still has following problem in the current manhole cover use:

1. in the prior art, the traditional manhole cover mostly uses 8-12 locking bolts, a large amount of time is consumed when the manhole cover is disassembled and assembled, the assembling and disassembling efficiency is extremely low, the locking bolts are easy to corrode and rust, the locking bolts are difficult to rotate by manpower sometimes, various wrenches are needed for assistance, and the use is inconvenient;

2. in the prior art, when a traditional manhole cover is fixed by using a locking bolt, the manhole cover is stressed unevenly, bending stress exists, the service life is short, and the airtightness of the manhole cover is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a clamp type manhole cover structure which has the advantages of uniform stress on a manhole cover plate, better tightness, higher dismounting efficiency of the manhole cover plate, reduced labor intensity and the like, and solves the problems of inconvenient use, short service life and low tightness because various wrenches are needed for assisting in dismounting the traditional manhole cover.

(II) technical scheme

In order to realize the purposes of uniform stress, better tightness, higher dismounting efficiency of the manhole cover plate and reduction of labor intensity, the invention provides the following technical scheme: a clamp type manhole cover structure comprises a manhole base, wherein a mounting frame is fixedly mounted on the right side surface of the manhole base, a connecting plate is fixedly mounted between the front side plate and the rear side plate of the mounting frame through a first rotating shaft, a manhole cover plate is fixedly mounted on the lower surface of the connecting plate, a mounting box is fixedly mounted on the upper surface of the manhole cover plate close to the right side, a clamp body is fixedly mounted on the right side surface of the mounting box close to the left side edge through a second rotating shaft, the clamp body is sleeved on the outer surfaces of the manhole base and the manhole cover plate, the other end of the clamp body is inserted into the mounting box from the front side surface of the mounting box, a transmission gear is fixedly mounted on the outer surface of the other end of the mounting box, a transmission rod is fixedly mounted on the inner wall of the upper side of the mounting box through a bearing, a first rotating handle is, and toothed disc and driving gear intermeshing, fixed mounting has the spring on the right side inner wall of mounting box, the left surface fixed mounting of spring has spacing tooth, the right flank fixed mounting of spacing tooth has the connecting rod, and the connecting rod activity inserts and locates outside the mounting box right side wall, the outer fixed surface of connecting rod installs the limiting plate, the right flank fixed mounting of limiting plate has the pull ring.

As a preferred technical solution of the present invention, the positions of the lower surface of the manhole base and the upper surface of the manhole cover close to the edges are both groove-shaped structures.

As a preferred technical scheme of the invention, a vertical plate is fixedly arranged on the mounting frame, and a pressing mechanism is fixedly arranged on the vertical plate at a position corresponding to the hoop body.

According to a preferable technical scheme, the pressing mechanism comprises a threaded hole, a bolt rod, a second rotating handle, a rotary table and a pressing plate, the vertical plate is provided with the threaded hole, the bolt rod is installed in the threaded hole in a threaded manner, the second rotating handle is fixedly installed on the left side face of the bolt rod, the rotary table is fixedly installed on the right side face of the bolt rod, the pressing plate is fixedly installed on the right side face of the rotary table, and the pressing plate and the outer surface of the clamp body are abutted tightly.

As a preferable technical scheme of the invention, the front side plate and the rear side plate of the mounting box are respectively provided with a rectangular opening through which the hoop body passes.

As a preferable technical scheme of the invention, a through hole for the connecting rod to pass through is formed in the right side wall of the mounting box corresponding to the connecting rod.

(III) advantageous effects

Compared with the prior art, the invention provides a clamp type manhole cover structure, which has the following beneficial effects:

1. this clamp formula manhole cover structure carries out fixed connection to manhole cover plate and manhole base through setting up the clamp body, makes manhole cover plate atress even, and the seal is better, can dismantle, makes manhole cover plate's dismouting efficiency higher, reduces intensity of labour.

2. This clamp formula manhole cover structure, it is rotatory to pass through the transfer line messenger toothed disc through setting up first twist grip, the toothed disc drives the transmission tooth removal on the clamp body, it is fixed with manhole cover plate and manhole base to make the clamp body, spacing tooth is carried on spacingly to the toothed disc in rethread spring promotion, it is spacing to carry out the clamp body promptly, make the clamp body can not become flexible, otherwise the pulling connecting rod makes spacing tooth break away from with the toothed disc, need not with the help of other article, can dismantle the clamp body, make manhole cover plate's dismouting efficiency higher, reduce intensity of labour.

3. This clamp formula manhole cover structure drives the carousel and removes to clamp body direction through setting up among the hold-down mechanism shank of bolt, makes the clamp plate of carousel right flank compress tightly the clamp body fixedly, makes the clamp body difficult not hard up, and the installation is firm safety.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a manhole base; 2. a mounting frame; 3. a first rotating shaft; 4. a connecting plate; 5. a manhole cover plate; 6. mounting a box; 7. a second rotating shaft; 8. a clamp body; 9. a transmission gear; 10. a bearing; 11. a transmission rod; 12. a first rotating handle; 13. a gear plate; 14. a spring; 15. limiting teeth; 16. a connecting rod; 17. a limiting plate; 18. a pull ring; 19. a vertical plate; 20. a hold-down mechanism; 201. a threaded hole; 202. a bolt shank; 203. a second rotating handle; 204. a turntable; 205. pressing a plate; 21. a rectangular opening; 22. and a 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.

Referring to fig. 1-3, a clamp type manhole cover structure comprises a manhole base 1, wherein a mounting frame 2 is fixedly installed on the right side surface of the manhole base 1, a connecting plate 4 is fixedly installed between the front side plate and the rear side plate of the mounting frame 2 through a first rotating shaft 3, a manhole cover plate 5 is fixedly installed on the lower surface of the connecting plate 4, a mounting box 6 is fixedly installed on the upper surface of the manhole cover plate 5 close to the right side, the right side surface of the mounting box 6 is of an open structure, so that the mounting box 6 is clamped on the lower side of the manhole base 1, a clamp body 8 is fixedly installed on the right side surface of the mounting box 6 close to the left side edge through a second rotating shaft 7, the clamp body 8 is sleeved on the outer surfaces of the manhole base 1 and the manhole cover plate 5, the other end of the clamp body 8 is inserted into the mounting box 6 from the front side surface of the mounting box 6, the upside inner wall of mounting box 6 passes through bearing 10 fixed mounting and has transfer line 11, and the last fixed surface of transfer line 11 installs first twist grip 12, have toothed disc 13 with the corresponding fixed position of driving gear 9 on the transfer line 11, and toothed disc 13 and driving gear 9 intermeshing, fixed mounting has spring 14 on the right side inner wall of mounting box 6, the left surface fixed mounting of spring 14 has spacing tooth 15, the right side fixed mounting of spacing tooth 15 has connecting rod 16, and connecting rod 16 activity is inserted and is located outside the 6 right side walls of mounting box, and connecting rod 16 activity is inserted and is located in spring 14, can lead to spring 14's flexible, makes spring 14's long service life, the outer fixed surface of connecting rod 16 installs limiting plate 17, the right side fixed mounting of limiting plate 17 has pull ring 18.

Specifically, the lower surface of the manhole base 1 and the upper surface of the manhole cover plate 5 are both groove-shaped structures near the edge.

In this embodiment, manhole base 1 and 5 groove type structures of manhole cover are convenient for clamp body 8 to install.

Specifically, a vertical plate 19 is fixedly mounted on the mounting frame 2, and a pressing mechanism 20 is fixedly mounted on the vertical plate 19 corresponding to the clamp body 8.

In this embodiment, the riser 19 is convenient for install hold-down mechanism 20, makes the mounting bracket 2 intensity bigger simultaneously.

Specifically, hold-down mechanism 20 includes screw hole 201, shank of bolt 202, second twist grip 203, carousel 204 and clamp plate 205, threaded hole 201 has been seted up on the riser 19, shank of bolt 202 is installed to screw hole 201 internal thread, the left surface fixed mounting of shank of bolt 202 has second twist grip 203, the right flank fixed mounting of shank of bolt 202 has carousel 204, the right flank fixed mounting of carousel 204 has clamp plate 205, clamp plate 205 supports tightly each other with the surface of clamp body 8.

In this embodiment, the second rotating handle 203 drives the rotating disc 204 to move rightwards in the threaded hole 201 by the bolt bar 202, so that the rotating disc 204 drives the pressing plate 205 to move towards the clamp body 8, the pressing plate 205 presses the clamp body 8 tightly, the loosening displacement of the clamp body 8 is avoided, and the installation of the clamp body 8 is firmer.

Specifically, rectangular openings 21 through which the hoop bodies 8 pass are formed in the front side plate and the rear side plate of the mounting box 6.

In this embodiment, rectangle opening 21 is convenient for clamp body 8 to pass in mounting box 6, is convenient for install the use to clamp body 8.

Specifically, a through hole 22 for the connection rod 16 to pass through is formed in the right side wall of the mounting box 6 at a position corresponding to the connection rod 16.

In this embodiment, the through-hole 22 facilitates the installation and the left-right movement of the connecting rod 16.

The working principle and the using process of the invention are as follows: when in use, the manhole cover plate 5 is covered on the upper surface of the manhole base 1 through the first rotating shaft 3, the clamp body 8 is movably sleeved on the side edges of the manhole cover plate 5 and the manhole base 1, the first rotating handle 12 drives the transmission rod 11 in the bearing 10 to rotate, the transmission rod 11 drives the gear disc 13 to rotate, the gear disc 13 drives the transmission teeth 9 on the clamp body 8 to move, the clamp body 8 is tensioned, the clamp body 8 fixes the manhole cover plate 5 with the manhole base 1, the limiting teeth 15 are pushed by the spring 14 to limit the gear disc 13, namely, the clamp body 8 is limited, the clamp body 8 cannot be loosened, otherwise, the limiting plate 17 on the pull ring 18 drives the connecting rod 16 to move, the connecting rod 16 enables the limiting teeth 15 to be separated from the gear disc 13, the clamp body 8 can be disassembled, the dismounting efficiency of the manhole cover plate is higher, the labor intensity is reduced, then, the bolt rod 202 drives the rotary table 204 to move rightwards in the threaded hole 201 through the second rotating handle 203, so that the rotary table 204 drives the pressing plate 205 to move towards the clamp body 8, the pressing plate 205 presses the clamp body 8 tightly, the clamp body 8 is prevented from loosening and moving, and the clamp body 8 is installed more firmly.

To sum up, this clamp formula manhole cover structure is connected fixedly to manhole cover plate 5 and manhole base 1 through clamp body 8, makes manhole cover plate 5 atress even, and the seal is better, and clamp body 8 need not with the help of other article simultaneously, can dismantle, makes manhole cover plate 5's dismouting efficiency higher, reduces intensity of labour.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamp formula manhole cover structure, includes manhole base (1), its characterized in that: the manhole cover plate is characterized in that a mounting frame (2) is fixedly mounted on the right side face of the manhole base (1), a connecting plate (4) is fixedly mounted between the front side plate and the rear side plate of the mounting frame (2) through a first rotating shaft (3), a manhole cover plate (5) is fixedly mounted on the lower surface of the connecting plate (4), a mounting box (6) is fixedly mounted on the upper surface of the manhole cover plate (5) close to the right side, a clamp body (8) is fixedly mounted on the right side face of the mounting box (6) close to the left side edge through a second rotating shaft (7), the clamp body (8) is sleeved on the outer surfaces of the manhole base (1) and the manhole cover plate (5), another end of the clamp body (8) is inserted into the mounting box (6) from the front side face of the mounting box (6), a transmission gear (9) is fixedly mounted on the outer surface of another end of the mounting box (6), a transmission rod (11), and the last fixed surface of transfer line (11) installs first twist grip (12), on transfer line (11) with the corresponding fixed position of driving gear (9) have toothed disc (13), and toothed disc (13) and driving gear (9) intermeshing, fixed mounting has spring (14) on the right side inner wall of mounting box (6), the left surface fixed mounting of spring (14) has spacing tooth (15), the right flank fixed mounting of spacing tooth (15) has connecting rod (16), and connecting rod (16) activity is inserted outside locating mounting box (6) right side wall, the outer fixed surface of connecting rod (16) installs limiting plate (17), the right flank fixed mounting of limiting plate (17) has pull ring (18).

2. The structure of a bail-type manhole cover of claim 1, wherein: the lower surface of the manhole base (1) and the upper surface of the manhole cover plate (5) are both of groove-shaped structures close to the edge.

3. The structure of a bail-type manhole cover of claim 1, wherein: the clamp is characterized in that a vertical plate (19) is fixedly mounted on the mounting frame (2), and a pressing mechanism (20) is fixedly mounted on the vertical plate (19) and corresponds to the clamp body (8).

4. A bail-type manhole cover structure according to claim 3, wherein: hold-down mechanism (20) are including screw hole (201), shank of bolt (202), second twist grip (203), carousel (204) and clamp plate (205), set up screw hole (201) on riser (19), shank of bolt (202) is installed to screw hole (201) internal thread, the left surface fixed mounting of shank of bolt (202) has second twist grip (203), the right flank fixed mounting of shank of bolt (202) has carousel (204), the right flank fixed mounting of carousel (204) has clamp plate (205), clamp plate (205) support tightly each other with the surface of clamp body (8).

5. The structure of a bail-type manhole cover of claim 1, wherein: the front side plate and the rear side plate of the mounting box (6) are provided with rectangular openings (21) through which the hoop bodies (8) pass.

6. The structure of a bail-type manhole cover of claim 1, wherein: and a through hole (22) for the connecting rod (16) to pass through is formed in the right side wall of the mounting box (6) at a position corresponding to the connecting rod (16).