CN114164863B - Cable tunnel access well lid - Google Patents

Abstract

The invention discloses a cable tunnel access well lid, which relates to the technical field of cable tunnel monitoring, and has the technical scheme that the cable tunnel access well lid comprises an upper cover, a lower cover arranged below the upper cover, a locking mechanism arranged below the lower cover and a well seat for placing the upper cover and the lower cover; a locking groove matched with the locking mechanism is formed in the inner wall of the well seat; the locking mechanism comprises a connecting shell, a first gear, a second gear and a locking assembly, wherein the connecting shell is fixed below the lower cover, the first gear is rotationally connected with the connecting shell, the second gear is meshed with the first gear, and the locking assembly is in sliding connection with the connecting shell; the first gear is provided with a strip hole with an arc-shaped cross section; a chute for the locking assembly to rotate is arranged on the connecting shell; the locking assembly comprises a sliding rod, a locking block and a control block, wherein the sliding rod is connected in the sliding groove in a sliding mode, the locking block is fixed at one end, far away from the first gear, of the sliding rod, and the control block is fixed on the sliding rod and slides in the long-strip hole. The cable tunnel manhole well anti-intrusion device has the effect of solving the problem of intrusion prevention of the existing cable tunnel manhole well.

Description

Cable tunnel access well lid

Technical Field

The invention relates to the technical field of cable tunnel monitoring, in particular to a cable tunnel access manhole cover.

Background

Along with the wide use of cable, also the requirement to cable tunnel management is higher and higher, and the cable tunnel sets up the manhole well, and the manhole well sets up the well lid, here is the weak point of cable channel management: under the condition that unauthorized access frequently happens, personnel open manhole shafts and covers in a illegal manner and enter cable channels, so that safety of personnel and equipment is threatened; the well lid is not tightly sealed, and the sealing ring is fast in aging, so that water leakage is caused; the manhole is close to the ground surface, the signals are relatively strong, a large number of environment monitoring devices and communication devices are installed nearby, the devices occupy the channel space to influence the entrance and exit of personnel into the manhole, and the devices can be considered to be integrated on the manhole, so that space resources are saved. The existing well lid products cannot solve the problem in the aspect of cable channel management.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art, provide a cable tunnel access manhole cover and solve the problem of intrusion prevention of the existing cable tunnel manhole cover.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

a cable tunnel access well lid comprises an upper cover, a lower cover arranged below the upper cover, a locking mechanism arranged below the lower cover and a well seat for placing the upper cover and the lower cover; a locking groove matched with the locking mechanism is formed in the inner wall of the well seat; the locking mechanism comprises a connecting shell, a first gear, a second gear and a locking assembly, wherein the connecting shell is fixed below the lower cover, the first gear is rotationally connected with the connecting shell, the second gear is meshed with the first gear, and the locking assembly is in sliding connection with the connecting shell; the first gear is provided with a strip hole with an arc-shaped cross section; a chute for the locking assembly to rotate is arranged on the connecting shell; the locking assembly comprises a sliding rod, a locking block and a control block, wherein the sliding rod is connected in the sliding groove in a sliding mode, the locking block is fixed at one end, far away from the first gear, of the sliding rod, and the control block is fixed on the sliding rod and slides in the long-strip hole.

Preferably, a lifting mechanism is arranged between the upper cover and the lower cover; the lifting mechanism comprises a connecting block fixedly connected to one side of the upper cover and the lower cover, a connecting rod hinged with the connecting block, a connecting plate hinged to one end of the connecting rod away from the connecting block, a screw rod in threaded connection with the connecting plate and a first motor for driving the screw rod to rotate.

Preferably, a fixed block is fixed on the machine body of the first motor, and a limiting block in sliding connection with the fixed block is fixed on the connecting plate.

Preferably, the side wall of the upper cover is provided with a containing groove, and the containing groove is connected with a pull ring in a sliding way.

Preferably, the cross section of the control block is arc-shaped.

The invention has the following beneficial effects:

(1) The locking mechanism is arranged at the bottom of the well lid and is controlled by a wireless wire number, so that an outsider can be effectively prevented from opening the well lid and entering a cable channel without permission;

(2) The mechanical lifting mechanism uses a screw structure to control lifting, so that the upper surface of the well lid can be lifted or fallen, and the pull ring is exposed when the well lid is lifted and used for opening the well lid; when the well lid falls down, the well lid upper surface is parallel and level with the well seat, is convenient for maintain the level of well lid.

Drawings

FIG. 1 is a schematic overall structure of an embodiment;

FIG. 2 is a schematic diagram of a well base;

FIG. 3 is a schematic diagram of a structure embodying a lifting structure;

FIG. 4 is a schematic front view of the locking mechanism;

fig. 5 is a schematic rear view of the locking mechanism.

Wherein the above figures include the following reference numerals: 1. an upper cover; 11. a receiving groove; 12. a pull ring; 2. a lower cover; 3. a lifting mechanism; 31. a connecting block; 32. a connecting rod; 33. a connecting plate; 34. a screw; 35. a first motor; 351. a fixed block; 352. a limiting block; 4. a locking mechanism; 41. a connection housing; 411. a chute; 42. a first gear; 421. a slit hole; 43. a second gear; 44. a locking assembly; 441. a slide bar; 442. a locking block; 443. a control block; 5. a well base; 51. a support wall; 52. locking groove.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without creative efforts, are within the protection scope of the invention.

Embodiment one: a cable tunnel access manhole cover, see fig. 1 and 2, comprises an upper cover 1, a lower cover 2 arranged below the upper cover 1, a lifting mechanism 3 arranged between the upper cover 1 and the lower cover 2, a locking mechanism 4 arranged below the lower cover 2, and a manhole seat 5 for placing the upper cover 1 and the lower cover 2.

The inner wall of the well seat 5 is fixedly provided with a supporting wall 51. Wherein, the internal diameter of well seat 5 equals the external diameter of upper cover 1, and the external diameter of lower cover 2 is less than or equal to the external diameter of upper cover 1, and the internal diameter of supporting wall 51 is less than the external diameter of lower cover 2 for lower cover 2 that places on well seat 5 can with supporting wall 51 butt, thereby realizes the support to the well lid. The supporting wall 51 is provided with a locking groove 52 which is matched with the locking mechanism 4.

The lateral wall of upper cover 1 has seted up holding tank 11, and the sliding connection has pull ring 12 in holding tank 11, and pull ring 12 can be placed in holding tank 11 completely.

Referring to fig. 3, the elevating mechanism 3 includes a connection block 31 fixedly connected to one side of the upper and lower covers 1 and 2 adjacent to each other, a connection rod 32 hinged to the connection block 31, a connection plate 33 hinged to one end of the connection rod 32 away from the connection block 31, a screw 34 screw-coupled to the connection plate 33, and a first motor 35 driving the screw 34 to rotate.

Two connections 32 are hinged on the same connection block 31 and are symmetrically arranged on two sides of the connection block 31; two connecting rods 32 are hinged at the same end of the connecting plate 33, and the other ends of the two connecting rods 32 are respectively hinged with connecting blocks 31 fixedly connected to the upper cover 1 and the lower cover 2. The screw threads arranged at the two ends of the screw 34 are opposite in rotation direction, and when the screw 34 rotates, the connecting plates 33 positioned in the two ends of the screw 34 can be driven to approach or separate from each other; when the position of the connecting plate 33 is changed, the connecting rod 32 rotates to drive the connecting block 31 to move, so that the connecting block 31 on the upper cover 1 and the lower cover 2 is fixed to move in a direction approaching or separating from each other, and the distance between the upper cover 1 and the lower cover 2 is driven to change. When the upper cover 1 and the lower cover 2 are at the nearest distance, the top end of the upper cover 1 is flush with the top end of the well seat 5.

The first motor 35 is a miniature motor and can be controlled by a wireless wire number. A fixed block 351 is fixed on the body of the first motor 35, and a limiting block 352 connected with the fixed block 351 in a sliding manner is fixed on the connecting plate 33. The stopper 352 can prevent the fixed block 351 and the motor from rotating.

Referring to fig. 4 and 5, the locking mechanism 4 includes a connection housing 41 fixed under the lower cover 2, a first gear 42 rotatably connected with the connection housing 41, a second gear 43 engaged with the first gear 42, and a locking assembly 44 slidably connected with the connection housing 41.

The first gear 42 is operated and rotated by a micro remote control motor fixed to the lower cover 2. The first gear 42 is provided with a strip hole 421 with an arc-shaped cross section; the connection housing 41 is provided with a slide slot 411 for rotation of the locking assembly 44. The locking assembly 44 comprises a slide bar 441 slidably coupled within the slide slot 411, a locking block 442 secured to an end of the slide bar 441 remote from the first gear 42, and a control block 443 secured to the slide bar 441 and sliding within the elongated aperture 421. The cross section of the control block 443 is circular arc.

The first gear 42 rotates to enable the position of the control block 443 in the strip hole 421 to be changed, so that the control block 443 can be driven to displace, and then the slide bar 421 is driven to displace, and the slide bar 421 is located in the locking groove 52 which can enable the locking block 442 fixed at one end of the slide bar 421 far away from the first gear 42 to extend into or withdraw from, so as to lock or unlock the well lid.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front end", "rear end", "left and right", "up", "down", "horizontal", etc. are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "in communication" and "connected" 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 above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. The utility model provides a cable tunnel access well lid which characterized in that: comprises an upper cover (1), a lower cover (2) arranged below the upper cover (1), a locking mechanism (4) arranged below the lower cover (2) and a well seat (5) for placing the upper cover (1) and the lower cover (2); a locking groove (52) matched with the locking mechanism (4) is formed in the inner wall of the well seat (5); the locking mechanism (4) comprises a connecting shell (41) fixed below the lower cover (2), a first gear (42) rotationally connected with the connecting shell (41), a second gear (43) meshed with the first gear (42) and a locking assembly (44) slidingly connected with the connecting shell (41); the first gear (42) is provided with a strip hole (421) with an arc-shaped cross section; a chute (411) for the locking assembly (44) to rotate is arranged on the connecting shell (41); the locking assembly (44) comprises a sliding rod (441) which is connected in the sliding groove (411) in a sliding way, a locking block (442) which is fixed at one end of the sliding rod (441) far away from the first gear (42) and a control block (443) which is fixed on the sliding rod (441) and slides in the strip hole (421); a locking groove (52) for placing a locking block (442) is formed in the inner wall of the well seat (5), and a lifting mechanism (3) is arranged between the upper cover (1) and the lower cover (2); the lifting mechanism (3) comprises a connecting block (31) fixedly connected to one side, close to each other, of the upper cover (1) and the lower cover (2), a connecting rod (32) hinged to the connecting block (31), a connecting plate (33) hinged to one end, far away from the connecting block (31), of the connecting rod (32), a screw (34) in threaded connection with the connecting plate (33) and a first motor (35) for driving the screw (34) to rotate, a fixed block (351) is fixed on a machine body of the first motor (35), and a limiting block (352) in sliding connection with the fixed block (351) is fixed on the connecting plate (33).

2. The cable tunnel access manhole cover of claim 1, wherein: the side wall of the upper cover (1) is provided with a containing groove (11), and a pull ring (12) is connected in a sliding manner in the containing groove (11).

3. The cable tunnel access manhole cover of claim 1, wherein: the cross section of the control block (443) is circular arc.

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