CN217926669U

CN217926669U - Self-tapping screw with annular scale

Info

Publication number: CN217926669U
Application number: CN202221876116.8U
Authority: CN
Inventors: 章建林; 李刚; 李彩虹
Original assignee: Yougu Songlin Tianjin Precision Metal Manufacturing Co ltd
Current assignee: Yougu Songlin Tianjin Precision Metal Manufacturing Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-29
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a self tapping type screw of banded scale, including the screw body, the up end of screw body is seted up and is placed the hole, it has seted up the mounting groove to place downthehole side upper end, fixed mounting has the go-between in the mounting groove, the internal thread is seted up to the internal face of go-between, the top of screw body is equipped with the threaded rod, the threaded rod corresponds each other with the position of placing the hole, and the threaded rod is inserted and is established placing downthehole, the threaded rod passes through screw thread and go-between threaded connection, the opening has been seted up at the outer wall middle part of screw body. The utility model discloses beneficial effect: through setting up go-between, threaded rod and locating piece for the mutually supporting of the device accessible go-between, threaded rod, locating piece can be fixed the screw body of installing on the installed part, thereby avoids leading to being connected firmly inadequately between screw body and the installed part because of smooth silk between screw body and the installed part.

Description

Self-tapping screw with annular scale

Technical Field

The utility model relates to a self tapping type screw technical field, concretely relates to self tapping type screw of banded annular scale.

Background

The Screw is a Screw (foreign name: screw), which is a tool for fastening the machine parts of the object step by utilizing the physics and mathematical principle of the inclined circular rotation and friction force of the object. Screws are a common term for fasteners, a common spoken word. At present, current self tapping type screw lacks reinforcing apparatus, when the smooth silk phenomenon appears between screw body and the installed part like this, can lead to screw body and installed part to be connected insecurely.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a self tapping type screw of banded scale to there is smooth silk phenomenon and the insecure problem of screw body and installed part connection that leads to among the solution prior art between screw body and the installed part.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a take self tapping type screw of annular scale, includes the screw body, the up end of screw body is seted up and is placed the hole, place downthehole side upper end and seted up the mounting groove, fixed mounting has the go-between in the mounting groove, the internal thread has been seted up to the internal face of go-between, the top of screw body is equipped with the threaded rod, the threaded rod corresponds with the position of placing the hole each other, and the threaded rod is inserted and is established and place downthehole, the threaded rod passes through screw thread and go-between threaded connection, the opening has been seted up at the outer wall middle part of screw body, the opening is equipped with two, two position between the opening corresponds each other, and two all be equipped with the locating piece in the opening, two the most advanced of locating piece one end all is towards the outside of screw body, two the other end of locating piece all extends to in the mounting groove.

Further, two the interior both sides wall surface of opening has all been seted up smooth mouthful, two the position of smooth mouthful corresponds each other, two the equal fixed mounting of both sides wall surface of locating piece has the slider, two the slider corresponds each other with two smooth mouthful positions in the opening respectively, and two the slider is slidable mounting respectively in two spouts.

Further, a fixing nut is arranged above the screw body, the fixing nut and the screw body correspond to each other in position, the fixing nut is fixedly installed on the upper end face of the screw body, and the fixing nut and the screw body are of an integrated structure.

Furthermore, a groove is formed in the upper end face of the fixing nut, the groove corresponds to the placement hole in position, a connecting hole is formed in the middle of the bottom end of the inner side of the groove, and the inner diameter of the connecting hole is the same as that of the placement hole in size.

Further, the top of threaded rod passes the connecting hole and extends to the inboard bottom of recess, the top fixed mounting of threaded rod has the rotation nut, the external diameter size of rotation nut and the big or small looks adaptation of the internal diameter of recess, and the rotation nut is established in the recess.

Furthermore, a rotating slot is formed in the upper end face of the rotating nut, and the cross section of the rotating slot is in a cross shape.

Further, the below of screw body is equipped with the gasket, the gasket cover is established on the screw body, and the gasket is located fixing nut's below, be equipped with buffer between gasket and the fixing nut, buffer is equipped with a plurality ofly in proper order.

Furthermore, the buffer device comprises a first connecting piece, a buffer spring and a second connecting piece, wherein the first connecting piece is fixedly installed on the upper end face of the gasket, the buffer spring is fixedly installed on the upper end face of the first connecting piece, and the second connecting piece is fixedly installed at one end, far away from the first connecting piece, of the buffer spring.

The utility model has the advantages of as follows:

the utility model discloses, through setting up the go-between, threaded rod and locating piece, like this when screw body fixed mounting is on the installed part, the threaded rod rotates, make the most advanced of locating piece one end insert and establish in the installed part, can accomplish the fixed of screw body, the traditional device that compares, the add of this device makes the device accessible go-between, the threaded rod, the screw body of installing on the installed part can be fixed to mutually supporting of locating piece, thereby avoid leading to being connected firmly inadequately between screw body and the installed part because of smooth silk between screw body and the installed part.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is the overall structure diagram of the present invention.

Fig. 2 is an exploded view of the screw body, the threaded rod, the connecting ring and the positioning block of the present invention.

Fig. 3 is a front sectional view of the screw body and the fixing nut of the present invention.

Fig. 4 is an exploded view of the gasket and the buffering device of the present invention.

Fig. 5 is an enlarged view of a point a in fig. 2 according to the present invention.

Description of the reference numerals:

1. a screw body; 2. placing holes; 3. mounting grooves; 4. a connecting ring; 5. a threaded rod; 6. a port; 7. positioning blocks; 8. a sliding port; 81. a slider; 9. fixing a nut; 10. a groove; 11. connecting holes; 12. rotating the nut; 13. rotating the slot; 14. a gasket; 15. a buffer device; 1501. a first connecting piece; 1502. a buffer spring; 1503. a second connecting sheet.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides a self tapping type screw of band ring scale as shown in fig. 1-5, including screw body 1, screw body 1's up end is seted up and is placed hole 2, place 2 inboard upper ends of hole and seted up mounting groove 3, fixed mounting has go-between 4 in the mounting groove 3, the internal thread has been seted up to the internal face of go-between 4, screw body 1's top is equipped with threaded rod 5, threaded rod 5 corresponds each other with the position of placing hole 2, and threaded rod 5 inserts and establishes in placing hole 2, threaded rod 5 passes through screw and go-between 4 threaded connection, through opening 6 has been seted up at screw body 1's outer wall middle part, through opening 6 is equipped with two, two position between the through opening 6 corresponds each other, and two all be equipped with locating piece 7 in through opening 6 the most advanced of locating piece 7 one end all towards the outside of screw body 1, two the other end of locating piece 7 all extends to in mounting groove 3, compares traditional device, and this device's adduction makes screw body 1 on the installed part can be fixed through the mutually supporting of go-between the connecting ring 4, threaded rod 5, locating piece 7 to avoid between the installed part and the screw body and the smooth silk body to lead to firm because of screw.

Further, in the above technical scheme, two slide openings 8 have been all seted up to the both sides wall surface in the through-hole 6, two slide openings 8's position corresponds each other, two the both sides wall surface of locating piece 7 all fixed mounting has slider 81, two slider 81 corresponds each other with two slide openings 8 positions in the through-hole 6 respectively, and two slider 81 is respectively slidable mounting in two slide openings 8, has reduced the friction between locating piece 7 and the through-hole 6 through mutually supporting of slide opening 8 and slider 81, and then makes the sliding resistance of locating piece 7 in the through-hole 6 littleer.

Further, in the above technical scheme, the top of screw body 1 is equipped with fixation nut 9, fixation nut 9 corresponds with the position of screw body 1 each other, fixation nut 9 fixed mounting is at the up end of screw body 1, and fixation nut 9 and screw body 1 structure as an organic whole, be convenient for rotate screw body 1 through fixation nut 9 to make screw body 1 fixed mounting in the installed part more easily.

Further, in above-mentioned technical scheme, the up end of fixation nut 9 is seted up flutedly 10, recess 10 corresponds each other with the position of placing hole 2, connecting hole 11 has been seted up at recess 10 inboard bottom middle part, the internal diameter of connecting hole 11 is the same with the internal diameter size of placing hole 2, the top of threaded rod 5 is passed connecting hole 11 and is extended to the inboard bottom of recess 10, the top fixed mounting of threaded rod 5 has rotation nut 12, the external diameter size of rotation nut 12 and the internal diameter size looks adaptation of recess 10, and rotation nut 12 is established in recess 10, rotation slot 13 has been seted up to the up end of rotation nut 12, the cross is personally submitted in the cross of rotation slot 13, and recess 10 is convenient for place rotation nut 12, and the setting of connecting hole 11 makes recess 10 communicate with each other with placing hole 2, and the rotation nut 12 and the rotation slot 13 mutually support the rotation of threaded rod 5 of being convenient for.

Further, in the above technical solution, a gasket 14 is arranged below the screw body 1, the gasket 14 is sleeved on the screw body 1, the gasket 14 is located below the fixing nut 9, a plurality of buffering devices 15 are sequentially arranged between the gasket 14 and the fixing nut 9, each buffering device 15 includes a first connecting piece 1501, a buffering spring 1502 and a second connecting piece 1503, the first connecting piece 1501 is fixedly installed on the upper end surface of the gasket 14, the buffering spring 1502 is fixedly installed on the upper end surface of the first connecting piece 1501, the second connecting piece 1503 is fixedly installed on one end of the buffering spring 1502 far away from the first connecting piece 1501, and the buffering device 15 is used for conveniently relieving the screwing force between the fixing nut 9 and the connecting piece, so that the screw body 1 is prevented from being broken in the placing hole 2 due to over-tightening of the fixing nut 9.

The implementation mode is specifically as follows: when the user uses the device, the user is at first with screw body 1 fixed mounting on the installed part, then pass connecting hole 11 with the one end of threaded rod 5 and insert and establish and place in the hole 2, then rotate threaded rod 5, make threaded rod 5 along placing hole 2 downstream, when the bottom top of threaded rod 5 establishes the one side at locating piece 7 up end, continue to rotate threaded rod 5, threaded rod 5 can continue along placing hole 2 downstream, threaded rod 5 is at the in-process of downstream, threaded rod 5 is pushing up locating piece 7 and is moving to the screw body 1 outside along opening 6, the removal of locating piece 7 can be inserted the pointed end of locating piece 7 one end and establish the inside of installed part, it can to stop the rotation of threaded rod 5 when the lower terminal surface of rotation nut 12 and the inboard bottom of recess 10 are laminated mutually.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a take self tapping type screw of annular scale, includes screw body (1), its characterized in that: the screw is characterized in that a placing hole (2) is formed in the upper end face of the screw body (1), a mounting groove (3) is formed in the upper end of the inner side of the placing hole (2), a connecting ring (4) is fixedly mounted in the mounting groove (3), an internal thread is formed in the inner wall face of the connecting ring (4), a threaded rod (5) is arranged above the screw body (1), the threaded rod (5) corresponds to the placing hole (2) in position, and the threaded rod (5) is inserted in the placing hole (2), threaded rod (5) are through screw thread and go-between (4) threaded connection, opening (6) have been seted up at the outer wall middle part of screw body (1), opening (6) are equipped with two, two position between opening (6) corresponds each other, and two all be equipped with locating piece (7) in opening (6), two the most advanced of locating piece (7) one end all faces the outside of screw body (1), two the other end of locating piece (7) all extends to in mounting groove (3).

2. A self-tapping screw with an annular scale according to claim 1, wherein: two spout (8), two have all been seted up to both sides wall face in opening (6) the position of spout (8) corresponds each other, two the equal fixed mounting of both sides wall face of locating piece (7) has slider (81), two slider (81) correspond each other with two spout (8) positions in opening (6) respectively, and two slider (81) slidable mounting is in two spout (8) respectively.

3. A self-tapping screw with an annular scale according to claim 1, wherein: the screw is characterized in that a fixing nut (9) is arranged above the screw body (1), the fixing nut (9) corresponds to the screw body (1), the fixing nut (9) is fixedly arranged on the upper end face of the screw body (1), and the fixing nut (9) and the screw body (1) are of an integrated structure.

4. A tapping screw with an annular scale as defined in claim 3, wherein: the upper end face of the fixing nut (9) is provided with a groove (10), the groove (10) corresponds to the placement hole (2), the middle of the bottom end of the inner side of the groove (10) is provided with a connecting hole (11), and the inner diameter of the connecting hole (11) is the same as that of the placement hole (2).

5. A self-tapping screw with an annular scale as defined in claim 4, wherein: the top of threaded rod (5) passes connecting hole (11) and extends to the inboard bottom of recess (10), the top fixed mounting of threaded rod (5) has rotation nut (12), the external diameter size of rotation nut (12) and the internal diameter size looks adaptation of recess (10), and rotation nut (12) are established in recess (10).

6. A self-tapping screw with an annular scale as claimed in claim 5, wherein: the upper end face of the rotating nut (12) is provided with a rotating slot (13), and the cross section of the rotating slot (13) is in a cross shape.

7. A self-tapping screw with an annular scale as claimed in claim 3, wherein: the screw is characterized in that a gasket (14) is arranged below the screw body (1), the gasket (14) is sleeved on the screw body (1), the gasket (14) is located below the fixing nut (9), a buffer device (15) is arranged between the gasket (14) and the fixing nut (9), and the buffer device (15) is sequentially provided with a plurality of gaskets.

8. A self-tapping screw with an annular scale as defined in claim 7, wherein: the buffer device (15) comprises a first connecting piece (1501), a buffer spring (1502) and a second connecting piece (1503), wherein the first connecting piece (1501) is fixedly installed on the upper end face of the gasket (14), the buffer spring (1502) is fixedly installed on the upper end face of the first connecting piece (1501), and the second connecting piece (1503) is fixedly installed at one end, far away from the first connecting piece (1501), of the buffer spring (1502).