CN217271321U - Rivet with double-section and double-rotation-direction threads - Google Patents

Abstract

The utility model relates to a part fixed part technical field, specifically speaking relates to a rivet with two sections bispin are to screw thread, including the rivet body of rod, be provided with the cisoid screw thread on the first half body of rod of the rivet body of rod, be provided with reverse screw thread on the latter half body of rod of the rivet body of rod, threaded connection has the screw sleeve on the cisoid screw thread, be provided with additional stop device on the reverse screw thread, additional stop device include with reverse screw thread between threaded connection's the nut, be provided with vertical section of thick bamboo on the upper surface of nut, the top integrated into one piece of vertical section of thick bamboo has the hollow ring, vertical section of thick bamboo female connection has a screw thread section of thick bamboo, the top fixed mounting of screw thread section of thick bamboo has the pressure disk, vertical section of thick bamboo, hollow ring and screw thread section of thick bamboo are all established on the rivet body of rod. The utility model discloses have two sections bispin to helicitic texture, when using, difficult appearance not hard up condition does benefit to and guarantees that fixed knot constructs more jail.

Description

Rivet with double-section and double-rotation-direction threads

Technical Field

The utility model relates to a part fixed part technical field, specifically speaking relates to a rivet with two sections bispin are to screw thread.

Background

The rivet is common is used for carrying out the riveting part fixed to the spare part, most rivets are single section one-way thread structure on the market, single section one-way thread's rivet is when using, because the screw thread is a throughout to revolve to, threaded connection is when receiving the effort the same with the screw thread soon on single section one-way thread's rivet nut, cause threaded connection nut on the rivet easily to appear not hard up the condition, influence the normal fixed effect of rivet, bring inconvenience for the user, consequently, an urgent need has two sections two to revolve to the screw thread to prevent the not hard up rivet of nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rivet with two sections bispin are to screw thread to solve the defect that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a rivet with two sections bispin are to screw thread, includes the rivet body of rod, be provided with the cisoid screw thread on the first half body of rod of the rivet body of rod, be provided with reverse screw thread on the latter half body of rod of the rivet body of rod, threaded connection has the screw thread sleeve on the cisoid screw thread, be provided with additional stop device on the reverse screw thread, additional stop device include with threaded connection's nut between the reverse screw thread, be provided with vertical section of thick bamboo on the upper surface of nut, the top integrated into one piece of vertical section of thick bamboo has the hollow ring, vertical section of thick bamboo internal thread connection has a screw thread section of thick bamboo, the top fixed mounting of screw thread section of thick bamboo has the compression disc, vertical section of thick bamboo hollow ring with screw thread section of thick bamboo is all established on the rivet body of rod.

Preferably, integrated into one piece has spacing dish on the body of rod of the top of the rivet body of rod, utilizes spacing dish to support on spare part, can play the effect that prevents the rivet body of rod from wearing out from spare part.

Preferably, a limiting ring is fixedly mounted on the bottom end barrel of the threaded sleeve, the compression disc is abutted against the bottom surface of the limiting ring, the compression disc is abutted against the limiting ring conveniently, the threaded sleeve is limited, and the threaded sleeve is guaranteed against loosening.

Preferably, the handedness of cisoid screw thread with the handedness of reverse screw thread is opposite, guarantees that when the threaded sleeve has the trend of moving with cisoid screw thread handedness equidirectional motion, the threaded sleeve can not drive the nut and rotate, guarantees to utilize nut threaded connection to carry out spacing firm more stable to the threaded sleeve on the reverse screw thread.

Preferably, hollow ring is hollow annular structure, makes a screw thread section of thick bamboo can not with hollow ring threaded connection, when a screw thread section of thick bamboo rotates the top to a vertical section of thick bamboo, a screw thread section of thick bamboo can't guarantee with hollow ring threaded connection that a screw thread section of thick bamboo can not drop in the hollow ring.

Preferably, the top surface of the pressing disc is provided with anti-skidding protrusions, and the situation that skidding occurs between the pressing disc and the limiting ring can be prevented through the arranged anti-skidding protrusions.

Preferably, be provided with the ring channel that is linked together with the external world on the top surface of spacing dish, fixed mounting has well core rod between the left and right sides cell wall of ring channel, all be provided with the rectangular channel on the bottom body of rod front and back both sides face of well core rod, make things convenient for and use external anchor clamps to press from both sides tightly on well core rod, make the rivet body of rod outwards extract more smoothly.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model adopts the arranged forward thread and reverse thread to make the rivet rod body have a double-section double-rotation-direction thread structure, utilizes the limit disc and the thread sleeve to respectively support against the two side surfaces of the part, then utilizes the additional limit device to be in thread connection with the reverse thread, and simultaneously ensures that the compression disc is tightly supported against the limit ring, thereby preventing the thread sleeve from loosening, ensuring that the thread sleeve is more firmly and stably supported against the side surfaces of the part, being convenient to use, solving the problem that most rivets in the market are in a single-section one-way thread structure, and when the single-section one-way thread rivet is used, because the thread is always in one rotation direction, when the nut in thread connection with the single-section one-way thread rivet is subjected to the acting force same as the rotation direction of the thread, the nut in thread connection with the rivet is easy to loosen, thereby influencing the normal fixing effect of the rivet, bringing inconvenience to users.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic diagram of an explosion structure of embodiment 1 of the present invention;

fig. 3 is a schematic view of an explosion structure of an additional limiting device in embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4 in embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is: 1. a rivet rod body; 10. a forward thread; 11. reverse threads; 12. a limiting disc; 13. a threaded sleeve; 14. a limiting ring; 2. adding a limiting device; 20. a nut; 21. a vertical cylinder; 22. a hollow ring; 23. a threaded barrel; 24. a compression disc; 241. anti-skid projections; 3. an annular groove; 30. a center pole; 31. a rectangular groove; 32. a traction ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: a rivet with double-section double-rotation-direction threads comprises a rivet rod body 1, wherein forward threads 10 are arranged on the surface of the upper half part of the rivet rod body 1, reverse threads 11 are arranged on the surface of the lower half part of the rivet rod body 1, threaded sleeves 13 are in threaded connection with the forward threads 10, additional limiting devices 2 are arranged on the reverse threads 11, each additional limiting device 2 comprises a nut 20 in threaded connection with the reverse threads 11, a vertical barrel 21 is tightly welded on the upper surface of the nut 20, a hollow ring 22 is integrally formed at the top end of the vertical barrel 21, a threaded barrel 23 is in threaded connection with the vertical barrel 21, the hollow ring 22 is of a hollow ring structure, the threaded barrel 23 cannot be in threaded connection with the hollow ring 22, when the threaded barrel 23 rotates to the top end of the vertical barrel 21, the threaded barrel 23 cannot be in threaded connection with the hollow ring 22, and can be guaranteed that the threaded barrel 23 cannot fall off from the hollow ring 22, the movement of the threaded cylinder 23 is limited;

specifically, a pressing disc 24 is integrally formed at the top end of the threaded cylinder 23, the vertical cylinder 21, the hollow ring 22 and the threaded cylinder 23 are all sleeved on the rivet rod body 1, and a limiting disc 12 is integrally formed on the rod body at the top end of the rivet rod body 1, so that when the rivet rod body 1 is used, the limiting disc 12 and the threaded sleeve 13 are respectively abutted to two side surfaces of a part, and the effect of preventing the rivet rod body 1 from penetrating out of the part can be achieved; in addition, after the limiting disc 12 and the threaded sleeve 13 are respectively abutted against two side faces of the part, the nut 20 is screwed into a proper position on the reverse thread 11, then the threaded cylinder 23 is rotated to adjust the length of the exposed threaded cylinder 23, the threaded cylinder 23 can be abutted against the bottom face of the threaded sleeve 13, the threaded sleeve 13 is further limited, when the threaded sleeve 13 has a loosening trend, because the screwing direction of the forward thread 10 is opposite to that of the reverse thread 11, the nut 20 cannot be loosened synchronously along with the threaded sleeve 13, and the threaded sleeve 13 is abutted against the side faces of the part more firmly and stably.

In this embodiment, integrated into one piece has spacing ring 14 on the barrel of threaded sleeve 13's bottom, and threaded sleeve 13's bottom surface and spacing ring 14's bottom surface are located the coplanar, compress tightly set 24 and support tightly on spacing ring 14's bottom surface, conveniently utilize to compress tightly set 24 and support on spacing ring 14, realize spacing threaded sleeve 13, guarantee that threaded sleeve 13 is difficult for appearing not hard up the condition.

Further, the turning direction of the forward thread 10 is opposite to that of the reverse thread 11, so that when the threaded sleeve 13 has a tendency of moving in the same direction as the turning direction of the forward thread 10, the threaded sleeve 13 cannot drive the nut 20 to rotate, and the threaded sleeve 13 is guaranteed to be more firmly and stably limited on the reverse thread 11 by virtue of the threaded connection of the nut 20.

In addition, the top surface of the pressing disc 24 is integrally formed with an anti-slip bulge 241, and the anti-slip bulge 241 can prevent slipping between the pressing disc 24 and the limit ring 14.

In the specific use process of this embodiment, pass the rivet body of rod 1 through the through-hole in the spare part, screw sleeve 13 is screwed up on consequent screw thread 10 next, guarantee that screw sleeve 13 and spacing dish 12 support tightly respectively on the both sides face of spare part, screw nut 20 is screwed up suitable position department on the contrary screw thread 11 next, rotate threaded barrel 23 again, guarantee to compress tightly the dish 24 and support tightly on the bottom surface of spacing ring 14 and threaded sleeve 13, accomplish the fixed mounting operation, when threaded sleeve 13 has not hard up trend, because the handedness of consequent screw thread 10 is opposite with the handedness of contrary screw thread 11, make nut 20 unable along with screw sleeve 13 is not hard up in step, guarantee that threaded sleeve 13 supports more firmly stably on the side of spare part, the difficult condition that becomes flexible appears.

Example 2

Referring to fig. 4-5, the difference between the present embodiment and embodiment 1 is: be provided with the ring channel 3 that is linked together with the external world on the top surface of spacing dish 12, fixed mounting has well core rod 30 between the left and right sides cell wall of ring channel 3, all be provided with rectangular channel 31 on the bottom body of rod front and back both sides face of core rod 30, well core rod 30 integrated into one piece is on spacing dish 12, guarantee that well core rod 30 is more firm stable with spacing dish 12's structure, and when using, the external anchor clamps of facilitate the use press from both sides tightly on well core rod 30, make the rivet body of rod 1 outwards extract more smoothly.

In this embodiment, be connected with tractive ring 32 through the pivot rotation between the left and right sides cell wall of ring channel 3, through the tractive ring 32 that sets up, also conveniently realize outwards extracting the rivet body of rod 1 through tractive ring 32, facilitate the use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. A rivet with two sections of two hands of screw thread, includes the rivet body of rod (1), its characterized in that: the upper half part of the rivet rod body (1) is provided with a forward thread (10), the lower half part of the rivet rod body (1) is provided with a reverse thread (11), a thread sleeve (13) is connected to the forward thread (10) in a threaded manner, an additional limiting device (2) is arranged on the reverse thread (11), the additional limiting device (2) comprises a nut (20) which is in threaded connection with the reverse thread (11), a vertical cylinder (21) is arranged on the upper surface of the nut (20), a hollow ring (22) is integrally formed at the top end of the vertical cylinder (21), a thread cylinder (23) is connected with the internal thread of the vertical cylinder (21), a pressing disc (24) is fixedly arranged at the top end of the thread cylinder (23), the vertical cylinder (21), the hollow ring (22) and the thread cylinder (23) are all sleeved on the rivet rod body (1).

2. A rivet having a two-section, double-handed thread according to claim 1, wherein: a limiting disc (12) is integrally formed on the top end rod body of the rivet rod body (1).

3. A rivet having a two-piece double handed thread according to claim 1, wherein: the bottom end cylinder of the threaded sleeve (13) is fixedly provided with a limiting ring (14), and the pressing disc (24) is tightly abutted against the bottom surface of the limiting ring (14).

4. A rivet having a two-section, double-handed thread according to claim 1, wherein: the rotation direction of the forward thread (10) is opposite to that of the reverse thread (11).

5. A rivet having a two-section, double-handed thread according to claim 1, wherein: the hollow ring (22) is of a hollow annular structure.

6. A rivet having a two-section, double-handed thread according to claim 1, wherein: the top surface of the pressing disc (24) is provided with an anti-skid bulge (241).

7. A rivet having a two-piece double handed thread according to claim 2, wherein: the top surface of the limiting disc (12) is provided with an annular groove (3) communicated with the outside, a central rod (30) is fixedly installed between the groove walls of the left side and the right side of the annular groove (3), and rectangular grooves (31) are formed in the front side surface and the rear side surface of the bottom rod body of the central rod (30).

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