CN216618203U - Anti-theft nut and special tool for disassembling and assembling anti-theft nut - Google Patents
Anti-theft nut and special tool for disassembling and assembling anti-theft nut Download PDFInfo
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- CN216618203U CN216618203U CN202220100939.5U CN202220100939U CN216618203U CN 216618203 U CN216618203 U CN 216618203U CN 202220100939 U CN202220100939 U CN 202220100939U CN 216618203 U CN216618203 U CN 216618203U
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Abstract
The utility model belongs to the technical field of underground water monitoring well mouth protection equipment, and particularly relates to an anti-theft screw cap and a special tool for dismounting the anti-theft screw cap. The special tool comprises a cylindrical limiting sleeve, two clamping pieces are fixedly arranged in a through hole of the limiting sleeve, the lower part of the two clamping pieces is a hollow cylinder after the two clamping pieces are buckled, and an annular boss is arranged on the edge of the top of the hollow cylinder along the circumference; the anti-theft nut is characterized in that arc-shaped clamping pieces are arranged on two sides of the upper surface of the annular boss, the inner side surfaces of the clamping pieces are rectangular cross sections, and the rectangular cross sections of the two clamping pieces are matched with the rectangular groove surface of the anti-theft nut. According to the utility model, the appearance shape of the anti-theft nut is skillfully designed, so that the anti-theft nut has good concealment and is not easy to pry, and the anti-theft nut is quickly assembled and disassembled by adopting a special tool of the anti-theft nut, so that the anti-theft nut is convenient to use.
Description
Technical Field
The utility model belongs to the technical field of underground water monitoring wellhead protection equipment, and particularly relates to an anti-theft nut and a special tool for assembling and disassembling the anti-theft nut.
Background
In order to obtain the relevant data of underground water in time, the geological department usually makes a well in the prediction region, then sets the relevant monitoring equipment at the well head, sets the relevant sensor under the well, and transmits the monitored relevant data manually or by wireless communication. However, most of the existing well mouths for monitoring underground water have no protective equipment, the environment in the well is easily interfered by external natural factors or human factors, the monitoring accuracy of the underground water parameters in the area is influenced, and the underground water monitoring equipment is expensive and can be stolen when being placed in the field, so that resistance is brought to monitoring work. At present, protective equipment is installed at a small part of well mouths, a box body and a box cover of the protective equipment are mostly connected through a screw and a hexagonal nut, if the hexagonal nut is exposed outside or not well hidden, people can easily use tools such as a screwdriver to screw the hexagonal nut off, and the anti-theft effect is poor.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides the anti-theft nut and the special tool for dismounting the anti-theft nut.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-theft nut which is applied to a well mouth protection device for underground water monitoring, wherein the protection device comprises a protection box body and a box cover hinged with the top of the protection box body, a cylindrical lock seat is fixedly arranged outside one side of the protection box body, a locking screw rod is fixedly arranged on the lower surface of the box cover, the locking screw rod extends into the cylindrical lock seat, and the anti-theft nut is connected with the locking screw rod through threads; the anti-theft nut comprises a cylindrical nut body, wherein two opposite grooves are formed in the outer surface of the nut body, the grooves are rectangular groove surfaces, and the rectangular groove surfaces are used for clamping the nut body by special tools.
Furthermore, the part of the locking screw rod extending into the cylindrical lock seat is positioned at the middle upper part of the cylindrical lock seat.
The utility model also provides a special tool for disassembling and assembling the anti-theft nut, which comprises a cylindrical limiting sleeve, wherein a through hole is formed in the middle of the limiting sleeve, two clamping pieces are fixedly arranged in the through hole of the limiting sleeve, the lower part of the limiting sleeve is a hollow cylinder after the two clamping pieces are buckled, and an annular boss is arranged at the edge of the top of the hollow cylinder along the circumference; the upper surface both sides of cyclic annular boss are provided with curved clamping piece, the medial surface of clamping piece is rectangular cross section, the rectangular cross section of two clamping pieces with the rectangular groove face phase-match of theftproof nut, the theftproof nut place in inside and two clamping pieces of hollow cylinder top, cyclic annular boss.
Further, the outer diameter of the hollow cylinder is matched with the diameter of the through hole of the limiting sleeve.
Further, the distance between the rectangular cross sections on the inner sides of the two clamping pieces is equal to the distance between the two rectangular groove surfaces of the anti-theft screw cap.
Further, the inner diameter of the annular boss is matched with the outer diameter of the anti-theft screw cap.
Furthermore, the special tool also comprises a ratchet wrench, the ratchet wrench comprises a handle and a convex block, and the convex block is inserted at the bottom of the limiting sleeve.
Furthermore, the limiting sleeve, the two clamping pieces and the ratchet wrench are all made of stainless steel.
Furthermore, the lower parts of the two clamping pieces are fixedly connected with the limiting sleeve through a pin shaft.
Compared with the prior art, the utility model has the following advantages:
1. the anti-theft nut is arranged on the locking screw rod in the cylindrical lock seat, the opening of the cylindrical lock seat faces downwards, and the anti-theft nut is positioned at the middle upper part of the cylindrical lock seat, so that a tool cannot conveniently extend into the anti-theft nut for operation, and the anti-theft nut can be prevented from being unscrewed from the locking screw rod manually by the tool; in addition, the whole anti-theft screw cap is cylindrical, the groove of the anti-theft screw cap is shielded from the bottom up, the anti-theft screw cap can be mistakenly considered to be smooth in circumferential surface, and no force application point of a tool exists, so that the anti-prying purpose is achieved.
2. When the anti-theft nut is disassembled, the anti-theft nut is firstly placed at the top of the hollow cylinder, inside the annular boss and between the two clamping pieces, then the two clamping pieces are buckled and then placed in the limiting sleeve, the clamping pieces and the limiting sleeve are locked by the pin shaft, the anti-theft nut is tightly clamped by the two clamping pieces, and finally the anti-theft nut can be screwed or opened by twisting the ratchet wrench; after the use, the pin shaft is firstly dismantled, the limiting sleeve is taken down, and then the two clamping pieces are respectively taken out. The anti-theft nut can be quickly assembled and disassembled by adopting a special tool, the use is convenient, and the anti-theft nut is difficult to disassemble without the special tool because the operation space in the cylindrical lock seat is narrow, so that the underground water monitoring equipment at the wellhead is effectively prevented from being stolen.
Drawings
FIG. 1 is a front view of an anti-theft nut according to an embodiment of the present invention;
FIG. 2 is a top view of the anti-theft nut of an embodiment of the present invention;
FIG. 3 is a side view of an anti-theft nut according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an anti-theft nut of an embodiment of the utility model mounted on a groundwater monitoring wellhead protection device;
FIG. 5 is a schematic view of a special tool for assembling and disassembling the anti-theft nut according to an embodiment of the present invention;
FIG. 6 is a second illustration of the disassembly structure of the special tool for disassembling and assembling the anti-theft nut according to the embodiment of the present invention;
FIG. 7 is a schematic view of the special tool for assembling and disassembling the anti-theft nut according to the embodiment of the present invention;
fig. 8 is a second working diagram of the special tool for disassembling and assembling the anti-theft nut according to the embodiment of the present invention.
The reference numbers in the figures denote:
1. the novel anti-theft box comprises a protective box body, 2 parts of a box cover, 3 parts of a cylindrical lock seat, 4 parts of a locking screw rod, 5 parts of an anti-theft screw cap, 6 parts of a groove, 7 parts of a rectangular groove surface, 8 parts of a limiting sleeve, 9 parts of a clamping piece, 901 parts of a hollow cylinder, 902 parts of an annular boss, 903 parts of a clamping piece, 10 through holes, 11 parts of a handle, 12 parts of a bump and 13 parts of a pin shaft.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.
As shown in fig. 1 to 4, the antitheft nut of the embodiment is applied to a wellhead protection device for underground water monitoring, and locks the wellhead protection device. The protection device comprises a protection box body 1 and a box cover 2 hinged to the top of the protection box body 1, a cylindrical lock seat 3 is fixedly arranged on the outer portion of one side of the protection box body 1, the opening of the cylindrical lock seat 3 faces downwards, a locking screw rod 4 is fixedly arranged on the lower surface of the box cover 2, the locking screw rod 4 extends into the cylindrical lock seat 3, the extending portion of the locking screw rod is located on the middle upper portion of the cylindrical lock seat 3, the anti-theft screw cap 5 is connected with the locking screw rod 4 through threads, the anti-theft screw cap 5 is hidden, the situation that the anti-theft screw cap 5 is exposed outside and easily unscrewed is avoided, and then the box cover 2 is opened to implement theft monitoring equipment or destroy underground water quality. The anti-theft nut 5 comprises a cylindrical nut body, two opposite grooves 6 are formed in the outer surface of the nut body, the grooves 6 are rectangular groove surfaces 7, special tools are convenient to clamp the nut body through the design of the rectangular groove surfaces 7, and the nut body is preferably made of stainless steel.
The groove 6 of the anti-theft nut 5 of the embodiment is of an inward-recessed type, the groove 6 of the anti-theft nut 5 is shielded when being seen from bottom to top, the force application point (namely the rectangular groove surface 7) of a tool on the outer surface cannot be found easily, the circumferential surface can be mistakenly considered to be smooth, the force application can not be carried out on the anti-theft nut 5 by using a common tool, and therefore the anti-prying purpose is achieved.
As shown in fig. 5 and fig. 6, the present embodiment further provides a special tool for disassembling and assembling the above-mentioned anti-theft nut 5, which includes a cylindrical stop collar 8, a through hole 10 is formed in the middle of the stop collar 8, two clamping members 9 are fixedly disposed in the through hole 10 of the stop collar 8, preferably, the lower portions of the two clamping members 9 are fixedly connected to the stop collar 8 through a pin 13, wherein the stop collar 8 is used for fixing the two clamping members 9, so that the clamping members 9 do not loosen when the anti-theft nut 5 is opened or screwed; the lower part of the two clamping pieces 9 is a hollow cylinder 901 after being buckled, and an annular boss 902 is arranged at the edge of the top of the hollow cylinder 901 along the circumference; arc-shaped clamping pieces 903 are arranged on two sides of the upper surface of the annular boss 902, the inner side surfaces of the clamping pieces 903 are rectangular cross sections, the rectangular cross sections of the two clamping pieces 903 are matched with the rectangular groove surface 7 of the anti-theft nut 5, the two clamping pieces 903 clamp the anti-theft nut 5 so as to apply force to the anti-theft nut 5, and the anti-theft nut 5 is placed at the top of the hollow cylinder 901, inside the annular boss 902 and between the two clamping pieces 903.
The outer diameter of the hollow cylinder 901 is matched with the diameter of the through hole 10 of the stop collar 8, so that the stop collar 8 can be smoothly placed into the two clamping pieces 9 after the two clamping pieces are buckled. The inner diameter of the annular boss 902 is matched with the outer diameter of the anti-theft nut 5, and the annular boss 902 can accommodate the anti-theft nut 5.
The distance between the rectangular cross sections on the inner sides of the two clamping pieces 903 is equal to the distance between the two rectangular groove surfaces 7 of the anti-theft nut 5, so that the two clamping pieces 903 can clamp the anti-theft nut 5 exactly, and the contact surfaces of the two clamping pieces 903 are the force application points of the special tool.
The special tool further comprises a ratchet wrench, the ratchet wrench comprises a handle 11 and a convex block 12, the convex block 12 is inserted at the bottom of the limiting sleeve 8, and the convex block 12 is tightly matched with the limiting sleeve 8.
Preferably, the stop collar 8, the two clamping pieces 9 and the ratchet wrench are all made of stainless steel.
The utility model adopts a special tool to realize quick assembly and disassembly of the anti-theft nut 5, is convenient to use, and is difficult to disassemble the anti-theft nut 5 without the special tool because the operation space in the cylindrical lock seat 3 is narrow, thereby achieving the aim of preventing theft.
The working principle is as follows:
as shown in fig. 7 and 8, when the antitheft nut 5 is disassembled and assembled, the antitheft nut 5 is firstly placed at the top of the hollow cylinder 901, the inside of the annular boss 902 and between the two clamping pieces 903, the inner rectangular cross sections of the two clamping pieces 903 face to the two rectangular groove surfaces 7 of the antitheft nut 5, then the two clamping pieces 9 are buckled and then placed into the limiting sleeve 8, the clamping pieces 9 and the limiting sleeve 8 are locked through the pin shaft 13, at the moment, the antitheft nut 5 is tightly clamped by the two clamping pieces 903, and finally the antitheft nut 5 can be screwed or opened by twisting the ratchet wrench. After the use, the pin shaft 13 is firstly removed, the limiting sleeve 8 is taken down, and then the two clamping pieces 9 are respectively taken down.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. An anti-theft nut is applied to a well mouth protection device for underground water monitoring, the protection device comprises a protection box body and a box cover hinged with the top of the protection box body, a cylindrical lock seat is fixedly arranged outside one side of the protection box body, a locking screw rod is fixedly arranged on the lower surface of the box cover, the locking screw rod extends into the cylindrical lock seat, and the anti-theft nut is connected with the locking screw rod through threads; the anti-theft nut is characterized by comprising a cylindrical nut body, wherein two opposite grooves are formed in the outer surface of the nut body, the grooves are rectangular groove surfaces, and the rectangular groove surfaces are used for clamping the nut body by special tools.
2. The antitheft nut of claim 1, wherein the portion of said locking screw that extends into the interior of the cylindrical lock housing is located at the middle upper portion of the cylindrical lock housing.
3. The special tool for disassembling and assembling the anti-theft screw cap according to claim 1, which comprises a cylindrical limiting sleeve, wherein a through hole is formed in the middle of the limiting sleeve, two clamping pieces are fixedly arranged in the through hole of the limiting sleeve, the lower part of the two clamping pieces is a hollow cylinder after being buckled, and an annular boss is arranged on the top edge of the hollow cylinder along the circumference; the upper surface both sides of cyclic annular boss are provided with curved clamping piece, the medial surface of clamping piece is rectangular cross section, the rectangular cross section of two clamping pieces with the rectangular groove face phase-match of theftproof nut, the theftproof nut place in inside and two clamping pieces of hollow cylinder top, cyclic annular boss.
4. The special tool for disassembling and assembling the anti-theft nut as claimed in claim 3, wherein the outer diameter of the hollow cylinder matches with the diameter of the through hole of the stop collar.
5. The special tool for disassembling and assembling anti-theft screw caps according to claim 3, wherein the distance between the rectangular cross sections inside the two clamping pieces is equal to the distance between the two rectangular groove surfaces of the anti-theft screw cap.
6. The special tool for disassembling and assembling anti-theft screw caps according to claim 3, wherein the inner diameter of the annular boss is matched with the outer diameter of the anti-theft screw cap.
7. The special tool for disassembling and assembling the anti-theft nut as claimed in claim 3, further comprising a ratchet wrench, wherein the ratchet wrench comprises a handle and a protrusion, and the protrusion is inserted into the bottom of the position-limiting sleeve.
8. The special tool for disassembling and assembling the anti-theft nut as claimed in claim 7, wherein the stop collar, the two clamping members and the ratchet wrench are all made of stainless steel.
9. The special tool for disassembling and assembling the anti-theft nut as claimed in claim 3, wherein the lower parts of the two clamping pieces are fixedly connected with the position-limiting sleeve through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220100939.5U CN216618203U (en) | 2022-01-15 | 2022-01-15 | Anti-theft nut and special tool for disassembling and assembling anti-theft nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220100939.5U CN216618203U (en) | 2022-01-15 | 2022-01-15 | Anti-theft nut and special tool for disassembling and assembling anti-theft nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618203U true CN216618203U (en) | 2022-05-27 |
Family
ID=81689036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220100939.5U Active CN216618203U (en) | 2022-01-15 | 2022-01-15 | Anti-theft nut and special tool for disassembling and assembling anti-theft nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618203U (en) |
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2022
- 2022-01-15 CN CN202220100939.5U patent/CN216618203U/en active Active
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