CN201198860Y - Screw joint device with protection and anti-theft functions - Google Patents

Abstract

The utility model relates to a screw joint device with protection and anti-theft functions, which comprises a sleeve; the screw joint unit is movably arranged in the sleeve and at least provided with a rod body, a threaded part arranged at one end of the rod body and an opposite locking part arranged at the other end of the rod body; and an elastic component arranged between the sleeve and the screw joint unit. Therefore, the screw joint unit and the needed object can be embedded in the sleeve after being screwed, and a set tool is required to apply force on the locking part when the screw joint unit is detached, so that the effects of protection and theft prevention can be achieved.

Description

Screw connection device with protection and anti-theft function

technical field

The utility model relates to a screw connection device with protective and anti-theft functions, in particular to a screw connection unit which can be embedded in a sleeve after the screw connection unit is screwed with a required object, and must be set with a setting when removing it. The tool exerts force on the lock part, and the screw connection device with protection and anti-theft effect can achieve the effect of protection and anti-theft.

Background technique

Generally, the existing conventional screw is composed of a screw rod and a force-bearing part arranged at one end of the screw rod, and the top surface of the force-bearing part is provided with a cross or a groove; At the same time, use a cross or flat head screwdriver to snap into the groove on the top surface of the force-bearing part, and apply a rotating external force, so that the screw is fixed at the desired position.

However, the above-mentioned existing conventional screws are in a bare state after being locked, without any protective structure, so that the outer edge of the screw's force-bearing part is exposed to the outside; the screw can be tightened with tools such as calipers. dismounting, and then the object locked by the screw is likely to be stolen and the assembly is unstable, and the screw is easily affected by the external environment and rusted and stained, making it difficult to disassemble the screw. remove.

This shows that above-mentioned existing screw obviously still has inconvenience and defect in structure and use, and urgently needs to be further improved. In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but for a long time no suitable design has been developed, and the general product has no suitable structure to solve the above-mentioned problems. This is obviously the relevant industry. urgent problem to be solved. Therefore, how to create a new type of screw connection device with protective and anti-theft functions is one of the current important research and development issues, and it has also become a goal that the industry needs to improve.

In view of the above-mentioned defects in the existing screws, the inventor actively researches and innovates on the basis of years of rich practical experience and professional knowledge engaged in the design and manufacture of this type of product, and cooperates with the application of academic theory, in order to create a new type of structure with protection. And the anti-theft screw connection device can improve the general existing screws and make it more practical. Through continuous research, design, and after repeated trial samples and improvements, the utility model with practical value is finally created.

Contents of the invention

The main purpose of the utility model is to overcome the defects of the existing screws and provide a new type of screw connection device with protective and anti-theft functions. The technical problem to be solved is to make the screw connection unit and the required object screw After being fixed, it can be embedded in the sleeve, and when it is removed, force must be applied to the locking part with a set tool, so as to achieve the effect of protection and anti-theft, which is very suitable for practical use.

The purpose of this utility model and the solution to its technical problems are achieved by adopting the following technical solutions. According to the utility model, a screw connection device with protective and anti-theft functions includes: a sleeve; a screw connection unit, which is movably arranged in the sleeve, and the screw connection unit has at least a rod body, a set A threaded portion at one end of the rod body, a locking portion disposed at the other end of the rod body, and an elastic component disposed between the sleeve and the screw connection unit.

The purpose of this utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned screw connection device with protective and anti-theft functions, one end of the sleeve has a connecting portion, and a serrated portion is provided on the circumference of the connecting portion.

The aforementioned screw connection device with protective and anti-theft functions, wherein one end of the sleeve is movable with a positioning seat, and the threaded part of the screw connection unit is set in the positioning seat, and the two ends of the elastic component They are pushed against the locking part of the positioning seat and the screwed unit respectively.

In the aforementioned screw connection device with protective and anti-theft functions, a gasket can be sleeved on the rod body.

In the aforementioned screw connection device with protective and anti-theft functions, the said locking part can be a polygonal inner concave part.

In the aforementioned screw connection device with protective and anti-theft functions, the said locking part can be composed of a cylinder and a plurality of extension plates arranged on the side edge of the cylinder.

The above-mentioned screw connection device with protective and anti-theft functions, wherein the elastic component is sleeved on the rod body of the screw connection unit, and its two ends are respectively pressed against the inside of the sleeve and on the side of the locking part of the screw connection unit .

Compared with the prior art, the utility model has obvious advantages and beneficial effects. It can be seen from the above that in order to achieve the above purpose, the utility model provides a screw connection device with protective and anti-theft functions, including a sleeve; a screw connection unit movably arranged in the sleeve, and the screw connection unit has at least one The rod body, a threaded part arranged at one end of the rod body, and a locking part arranged at the other end of the rod body; and an elastic component arranged between the sleeve and the screw connection unit.

By means of the above-mentioned technical scheme, the utility model has the following advantages and beneficial effects at least with the protective and anti-theft screw connection device: the utility model can effectively improve the various shortcomings of the existing conventional screws, and can make the screw connection unit compatible with the required After the object is screwed, it can be embedded in the sleeve, and the set tool must be used to apply force to the locking part when it is removed, so as to achieve the effect of protection and anti-theft, so that the utility model has the advantages of technological progress, It is more practical and more in line with the functions required by users.

To sum up, the utility model has the above-mentioned many advantages and practical value, it has great improvement no matter in product structure or function, has significant progress in technology, and has produced easy-to-use and practical effects, and is relatively The existing screw has enhanced outstanding functions, so that it is more suitable for practical use, and it is a novel, progressive and practical new design.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

Fig. 1 is an exploded perspective view of the first preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 2 is a three-dimensional schematic view of the appearance of the first preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 3 is a schematic cross-sectional view of the locking state of the first preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 4 is a schematic cross-sectional view of the dismounted state of the first preferred embodiment of the protective and anti-theft screw connection device of the present invention.

Fig. 5 is an exploded perspective view of the second preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 6 is a schematic perspective view of the appearance of the second preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 7 is a schematic cross-sectional view of the locking state of the second preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

Fig. 8 is a schematic cross-sectional view of a dismounted second preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention.

1: Sleeve 1a: Sleeve

11: Assembly part 12: Serrated part

13a: Positioning seat 2: Screw connection unit

2a: Screwed unit 21: Rod body

21a: rod body 22: threaded part

22a: Threaded part 23: Locking part

23a: Locking part 231a: Cylinder

232a: Extension plate 24: Gasket

3: Elastic components 4: Tools

5: Tool 51: Socket

52: Groove

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation of the screw connection device with protection and anti-theft functions proposed according to the utility model will be described below in conjunction with the accompanying drawings and preferred embodiments. , structure, feature and effect thereof, detailed description is as follows.

The aforementioned and other technical contents, features and effects of the present utility model will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of the specific implementation, one can get a deeper and more specific understanding of the technical means and effects of the utility model to achieve the intended purpose, but the attached drawings are only for reference and description, and are not used to explain the present invention. Utility models are restricted.

Please refer to Fig. 1 and Fig. 2. Fig. 1 is an exploded perspective view of the first preferred embodiment of the screw connection device with protective and anti-theft functions of the present invention, and Fig. 2 is a perspective view of its appearance. A screw connection device with protective and anti-theft functions according to the first preferred embodiment of the utility model is at least composed of a sleeve 1 , a screw connection unit 2 and an elastic component 3 .

The above-mentioned sleeve 1 has a connecting portion 11 at one end, and a sawtooth portion 12 is arranged around the circumference of the connecting portion 11 .

The above-mentioned threaded unit 2 is movably arranged in the above-mentioned sleeve 1, and the threaded unit 2 at least has a rod body 21, a threaded part 22 arranged at one end of the rod body 21, and a pair lock arranged at the other end of the rod body 21. Part 23;

The rod body 21 can be sleeved with a gasket 24;

The pair of locking parts 23 can be a polygonal inner recess, such as a hexagonal inner recess, but not limited thereto.

The above-mentioned elastic component 3 is sheathed on the rod body 21 of the threaded unit 2 , and its two ends are pushed against the inside of the sleeve 1 and one side of the locking portion 23 of the threaded unit 2 respectively.

In this way, by combining the above structures, a screw connection device with protection and anti-theft functions of a new structure is formed.

Please refer to Fig. 3 and Fig. 4. Fig. 3 is a schematic cross-sectional view of the locked state of the first preferred embodiment of the screw connection device with protection and anti-theft functions of the present invention, and Fig. 4 is a schematic cross-sectional view of the dismounted state. When the utility model is in use, the assembly part 11 at one end of the sleeve 1 is assembled on the required object (not shown in the figure), and the serrated part 12 is used for positioning, and when the action of locking is desired At this time, a tool 4 with an outer hexagonal shape is correspondingly arranged on the inner hexagonal locking part 23 of the screw connection unit 2, and then the tool 4 is rotated so that the tool 4 drives the locking part 23 to rotate the rod body 21. Furthermore, the interlocking threaded part 22 is locked with the relevant object, and at the same time compresses the elastic assembly 3, and when the screwed unit 2 is locked with the related object, the rod body 21 of the screwed unit 2 and the locking part 23 are Embedded in the sleeve 1, the sleeve 1 can be used to make the screwed unit 2 achieve the protection function.

And when desiring to remove the threaded unit 2, the tool 4 with an outer hexagon must be correspondingly arranged on the locking part 23 of the screwed unit 2, and then the tool 4 is rotated in the opposite direction, and then linked The threaded part 22 is separated from the relevant object, and the elastic component 3 is released, so as to complete the dismounting action, and because the locking part 23 of the threaded unit 2 is embedded in the sleeve 1, it is not a general screw It is exposed, so when there is no locking or dismounting, it must be carried out with the set tool 4, so that the locking part 23 can be used to achieve the anti-theft effect.

Please refer to FIG. 5 and FIG. 6 . FIG. 5 is an exploded perspective view of a second preferred embodiment of the protective and anti-theft screw connection device of the present invention, and FIG. 6 is a perspective view of its appearance. The second preferred embodiment of the utility model has a protective and anti-theft screw connection device. In addition to the structure of the first embodiment above, a positioning seat 13a can also be movably provided at one end of the sleeve 1a. And make the threaded part 22a of this threaded unit 2a pass through and be set in the positioning seat 13a, and the two ends of this elastic component 3 are to push respectively on the locking part 23a of the positioning seat 13a and the threaded unit 2a, and the pair The locking portion 23a can be composed of a cylinder 231a and a plurality of extension plates 232a disposed on the side edges of the cylinder 231a.

Please refer to FIG. 7 and FIG. 8 . FIG. 7 is a schematic cross-sectional view of a locked state of a second preferred embodiment of the protective and anti-theft screw connection device of the present invention, and FIG. 8 is a schematic cross-sectional view of a dismounted state. When the utility model is in use, the positioning seat 13a at one end of the sleeve 1a is arranged on the required object (not shown in the figure), and when the locking action is to be performed, a tool 5 is correspondingly arranged on the On the locking part 23a of the threaded unit 2a, the sleeve 51 on the tool 5 is sleeved on the cylinder 231a, and the groove 52 is embedded with the extension plate 232a, and then the tool 5 is rotated to make the The tool 5 drives the locking part 23a to rotate the rod body 21a, and then the threaded part 22a is locked with the related object, and at the same time compresses the elastic component 3, and when the screw unit 2a is locked with the related object, the The rod body 21a is installed in the positioning seat 13a, and the locking part 23a and the positioning seat 13a are embedded in the sleeve 1, so the sleeve 1a can be used to protect the screwed unit 2a;

And when desiring to remove the threaded unit 2a, the tool 5 must be correspondingly arranged on the locking portion 23a of the screwed unit 2a, and then the tool 5 is rotated in the opposite direction, and then the threaded part 22a and the threaded part 22a are linked together. The relevant objects are separated, and the elastic component 3 is released to complete the dismounting action. Since the locking part 23a of the screwed unit 2a is composed of a column 231a and a plurality of extension plates 232a, it is not a general The straight or cross shape of the screw must be carried out with the tool 5 having the sleeve 51 and the groove 52 when therefore not being locked or removed, so that the locking part 23a can be utilized to achieve anti-theft effect.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those skilled in the art can use the technical content disclosed above to make some changes or modify them into equivalent embodiments without departing from the technical solution of the present utility model. Contents, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (7)

1. A screw connection device with protection and anti-theft effect, is characterized in that it comprises: a sleeve; A screw connection unit, which is movably arranged in the above-mentioned sleeve, and the screw connection unit has at least one rod body, a threaded part arranged at one end of the rod body, and a locking part arranged at the other end of the rod body; and An elastic component is arranged between the sleeve and the screw connection unit. 2 . The screw connection device with protection and anti-theft function according to claim 1 , wherein one end of the sleeve has a joint portion, and a serrated portion is provided on the circumference of the joint portion. 3 . 3. The screw connection device with protection and anti-theft function according to claim 1, characterized in that one end of the sleeve is movably provided with a positioning seat, and the threaded part of the screw connection unit is set on the positioning seat. In the seat, and the two ends of the elastic component are respectively pressed on the locking part of the positioning seat and the screwed unit. 4. The screw connection device with protective and anti-theft functions according to claim 1, wherein a gasket can be sleeved on the rod body. 5 . The screw connection device with protective and anti-theft functions according to claim 1 , wherein the locking portion is a polygonal inner concave portion. 6 . 6 . The screw connection device with protection and anti-theft function according to claim 1 , wherein the locking part can be composed of a cylinder and a plurality of extension plates arranged on the side edge of the cylinder. 7 . 7. The screw connection device with protective and anti-theft functions according to claim 1, wherein the elastic component is sleeved on the rod body of the screw connection unit, and its two ends are respectively pushed against the inside of the sleeve And on the side of the locking part of the screwed unit.

Images