CN211429039U

CN211429039U - Hole cover anti-drop structure

Info

Publication number: CN211429039U
Application number: CN201821588701.1U
Authority: CN
Inventors: 周亮
Original assignee: Chongqing Tuofeng Rubber Product Research Institute Co ltd
Current assignee: Chongqing Tuofeng Rubber Product Research Institute Co ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-09-04
Anticipated expiration: 2028-09-28

Abstract

The utility model discloses a pore cover anti-drop structure, including fixed orifices, joint chair and connecting band. The fixing hole is a through hole and is formed in the shell of the generator; the clamping seat is arranged at the bottom of the hole cover; the connecting band is a soft area, will connecting band one end is passed behind the fixed orifices, connecting band one end with the fixed orifices activity is pegged graft, other one end with the joint seat is connected. This handhole door anti-drop structure, simple structure, reasonable in design can be under the condition that does not influence the use, and the effectual handhole door that prevents is lost after droing.

Description

Hole cover anti-drop structure

Technical Field

The utility model discloses the generator field, concretely relates to hole lid anti-drop structure.

Background

A plurality of holes are formed in the shell of the existing generator and used for detecting, oiling and the like. Typically, each of these holes is provided with a hole cover. Due to the limitation of space and the convenience of use, the arrangement of the hole cover and the shell is mostly in a separable mode, for example, a clamping connection mode or a thread connection mode is adopted between the hole cover and the hole, however, after the repeated use process is carried out, particularly in the environment of severe shaking, the hole cover falls off and falls on the ground, even is lost, and unnecessary troubles are inevitably brought to a user due to the phenomenon.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a hole lid anti-drop structure, this kind of simple structure, reasonable in design can be under the condition that does not influence the use, and the effectual hole lid that prevents drops ground and loses even.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an aperture cover anti-drop structure, comprising:

the fixing hole is a through hole and is formed in the shell of the generator;

the clamping seat is arranged at the bottom of the hole cover; and

the connecting band, the connecting band is a soft area, will connecting band one end is passed behind the fixed orifices, connecting band one end with the fixed orifices activity is pegged graft, other one end with the joint seat is connected.

Further, the joint seat comprises a fixing block and a clamping groove, the fixing block is sheet-shaped and fixed at the bottom of the hole cover, the clamping groove is formed in the fixing block, the clamping groove penetrates through the fixing block, a notch is formed in the side wall of the fixing block, and the notch is communicated with the clamping groove.

Further, the connecting belt is a tubular belt.

Furthermore, the connecting band is characterized in that one end of the connecting band is an inserting end, the other end of the connecting band is a clamping end, the middle of the connecting band is a band body, the inserting end is connected with the fixing hole in an inserting mode, and the clamping end is clamped on the clamping groove through the notch.

Furthermore, the inserting end is far away from the clamping end and is provided with a limiting step, the diameter of the limiting step is larger than the aperture of the fixing hole, and after the connecting belt is inserted into the fixing hole, the clamping end and the limiting step are respectively located on two sides of the generator shell.

Further, the joint end is including drawing head and two snap rings, the diameter of drawing the head is less than two the diameter of snap ring, just draw head and two the diameter of snap ring all is less than the internal diameter of fixed orifices, it sets up to draw the head the tip of joint end, the tip and two of drawing the head the snap ring interval sets up, two the snap ring interval sets up, and two distance between the snap ring is not more than generator housing's thickness, two the diameter of snap ring is greater than the width of draw-in groove, the fixed block is located two between the snap ring, two the snap ring be used for with the fixed block presss from both sides tightly, prevents the fixed band landing and is dragged and falls.

Further, the diameter of the band body is smaller than the inner diameter of the fixing hole.

The utility model has the advantages that:

above-mentioned handhole door anti-drop structure, the fixed orifices is seted up at generator housing for the one end of fixed connection area, joint seat set up in the bottom of handhole door, are used for the other one end of fixed connection area. The connecting belt is a soft belt, which is convenient for taking the hole cover. One end of the connecting belt is movably inserted into the fixing hole, and the other end of the connecting belt is clamped with the clamping seat. When the handhole door was taken away to needs, only need take out connecting band one end from the joint seat in, keep away from the generator housing direction and pull the connecting band after that, and then take out whole connecting band from the generator housing to thoroughly separate handhole door and generator housing. This handhole door anti-drop structure, simple structure, reasonable in design can be under the condition that does not influence the use, and the effectual handhole door that prevents drops to the ground or even loses.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the present invention with the clip end connected to the hole cover;

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

reference numerals: the anti-falling structure of the 10-hole cover, the 100-fixing hole, the 200-clamping seat, the 210-fixing block, the 220-clamping groove, the 230-notch, the 300-connecting band, the 310-inserting end, the 320-belt body, the 330-clamping end, the 311-limiting step, the 331-leading head, the 332-clamping ring, the 20-hole cover and the 30-generator shell.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 3, an anti-falling structure 10 for a manhole cover is used to prevent the manhole cover 20 from falling off or even being lost. Specifically, the anti-falling structure 10 of the manhole cover 20 comprises a fixing hole 100, a clamping seat 200 and a connecting band 300.

Referring to fig. 1 and 2, in particular, the fixing hole 100 is a through hole, and the fixing hole 100 is formed on the generator housing 30. The clamping seat 200 is disposed at the bottom of the hole cover 20, the clamping seat 200 includes a fixing block 210 and a clamping groove 220, the fixing block 210 is sheet-shaped, the fixing block 210 is fixed at the bottom of the hole cover 20, the clamping groove 220 is disposed on the fixing block 210, the clamping groove 220 penetrates through the fixing block 210, a notch 230 is disposed on a side wall of the fixing block 210, and the notch 230 is communicated with the clamping groove 220.

Referring to fig. 1 and 2, the connecting band 300 is a flexible tubular band, one end of the connecting band 300 is movably connected to the engaging slot 220, and the other end is movably connected to the fixing hole 100. Specifically, one end of the connecting band 300 is a plug end 310, the other end is a clip end 330, and the middle is a band body 320. The plug end 310 is connected to the fixing hole 100, and the clip end 330 is clipped to the clip slot 220 through the notch 230. The tip that joint end 330 was kept away from to grafting end 310 is provided with a spacing step 311, and the diameter of spacing step 311 is greater than the diameter of fixed orifices 100, during the use, penetrates joint end 330 of connecting band 300 from fixed orifices 100, and the hole 40 on the rethread generator housing 30 is worn out, and at this moment, spacing step 311 and grafting end 310 are located the both sides of fixed orifices 100 respectively. The clamping end 330 includes a lead 331 and two clasps 322. The diameter of the lead 331 is smaller than the diameter of the two snap rings 322, and the diameters of the lead 331 and the two snap rings 322 are both smaller than the inner diameter of the fixing hole 100. The lead 331 is disposed at an end of the inserting end 310, and the lead 331 facilitates the connection band 300 to penetrate into the fixing hole 100. The leader 331 and the two clasps 322 are arranged at intervals, so that a user can conveniently hold the connecting band. Two snap rings 322 interval settings, and the distance between two snap rings 322 is not more than the thickness of fixed block 210, and the diameter of two snap rings 322 is greater than the width of draw-in groove 220, and fixed block 210 is located between two snap rings 322, and two snap rings 322 press from both sides fixed block 210 tightly, prevent that the fixed band landing from being torn and fall.

The use method of the anti-falling structure 10 of the hole cover specifically comprises the following steps:

when the connecting device is used, the clamping end 330 of the connecting belt 300 is inserted from the outside of the generator housing 30 through the fixing hole 100 through the lead 331 and then passes out of the hole 40 on the generator housing 30. At this time, the limiting steps 311 on the clamping end 330 and the inserting end 310 are respectively located at two sides of the fixing hole 100. Then, the fastening end 330 is fastened in the fastening groove 220 through the notch 230 of the fixing block 210, and the two fastening rings 322 of the fastening end 330 are positioned at both sides of the fixing block 210, thereby fastening the fixing block 210, and finally, the hole cover 20 is covered on the corresponding hole 40. When it is desired to remove orifice cover 20. The clamping end 330 is taken out of the clamping groove 220 only through the notch 230, and the inserting end 310 of the connecting band 300 is pulled in the direction away from the generator, so that the connecting band 300 is taken out of the generator housing 30, and the hole cover 20 is completely separated from the generator housing.

In the above structure 10, the fixing hole 100 is formed in the generator housing 30 for fixing one end of the connection belt 300, and the engaging seat 200 is formed at the bottom of the manhole cover 20 for fixing the other end of the connection belt 300. The connection band 300 is a tubular soft band to facilitate taking the hole cover 20. One end of the connecting band 300 is movably inserted into the fixing hole 100, the limiting step 311 at the end of the connecting band 300 can limit the connecting band 300, and the other end is a clamping end 330 clamped with the clamping groove 220 of the clamping seat 200. The clamping end 330 is provided with a leader 331 and two clasps 322, the leader 331 is used for guiding the insertion and holding of the connecting band 300, and the clasps 322 are used for clamping the fixing block 210 to prevent the fixing band from separating. When the hole cover 20 needs to be taken away, the clamping end 330 is taken out of the clamping groove 220 only through the notch 230, then the plugging end 310 of the connecting band 300 is pulled in the direction away from the generator housing 30, and then the whole connecting band 300 is taken out of the generator housing 30, so that the hole cover 20 and the generator housing are completely separated.

Finally, it should be noted that: the basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a hole lid anti-drop structure which characterized in that includes:

the fixing hole is a through hole and is formed in the shell of the generator;

the clamping seat is arranged at the bottom of the hole cover; and

2. The structure of claim 1, wherein the locking seat comprises a fixing block and a locking groove, the fixing block is in a sheet shape and fixed on the bottom of the hole cover, the locking groove is disposed on the fixing block, the locking groove penetrates through the fixing block, a notch is disposed on a side wall of the fixing block, and the notch is communicated with the locking groove.

3. The anti-drop structure for the pore cover as claimed in claim 1, wherein the connecting band is a tubular band.

4. The anti-drop structure of a hole cover as claimed in claim 2, wherein one end of the connecting band is a plug end, the other end is a clip end, the middle is a band body, the plug end is plug-connected with the fixing hole, and the clip end is clipped on the clip groove through the gap.

5. The structure of claim 4, wherein the insertion end is provided with a position-limiting step away from the engaging end, the diameter of the position-limiting step is larger than the diameter of the fixing hole, and after the connecting band is inserted into the fixing hole, the engaging end and the position-limiting step are respectively located at two sides of the generator housing.

6. The anti-drop structure for the hole covers of the power generator as claimed in claim 4, wherein the clamping end comprises a leading head and two clamping rings, the diameter of the leading head is smaller than the diameter of the two clamping rings, the diameter of the leading head and the diameter of the two clamping rings are both smaller than the inner diameter of the fixing hole, the leading head is arranged at the end part of the clamping end, the end part of the leading head is arranged at the interval between the two clamping rings, the interval between the two clamping rings is arranged, the distance between the two clamping rings is not larger than the thickness of the power generator shell, the diameter of the two clamping rings is larger than the width of the clamping grooves, the fixing block is arranged between the two clamping rings, and the two clamping rings are used for clamping the fixing block to prevent the fixing band from slipping off and being pulled.

7. The fall off prevention structure of the hole cover as claimed in claim 4, wherein the diameter of the band body is smaller than the inner diameter of the fixing hole.