CN111396434A

CN111396434A - T-shaped bolt

Info

Publication number: CN111396434A
Application number: CN202010435616.7A
Authority: CN
Inventors: 黄辉; 刘幸福; 陈金华; 张少刚; 孟凡利; 尹国强
Original assignee: Jinan Star Fastener Co ltd
Current assignee: Jinan Star Fastener Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-07-10

Abstract

The invention relates to the technical field of mechanical parts, and discloses a T-shaped bolt which comprises a fixing device, a single-round-head flat key, a thread protecting device, a screw screwing auxiliary device and a reinforcing device, wherein the fixing device comprises a first fixing block, the lower end surface of the first fixing block is fixedly connected with a first arc-shaped fixing block, the center of the lower end surface of the first arc-shaped fixing block is fixedly connected with a first screw rod, the lower end surface of the first screw rod is attached with a first thread, the lower end surface of the first screw rod is provided with a single-round-head key groove, the inner part of the lower end surface of the single-round-head key groove is provided with a first thread, the inner part of the upper end of the first fixing block is provided with a second thread, the arc-shaped first arc-shaped fixing block is smooth in appearance and free of human-injured burrs and is matched with a prefabricated hole of a fastener, beautiful appearance, and the tail part of the fixing device is glued to play a role in preventing looseness and skidding.

Description

T-shaped bolt

Technical Field

The invention relates to the technical field of mechanical parts, in particular to a T-shaped bolt.

Background

The T-shaped bolt can be directly placed in an aluminum profile groove, can be automatically positioned and locked in the installation process, is often matched with a flange nut for use, is a standard matched connecting piece in the process of installing corner fittings, and can be selectively used according to the width of the profile groove and different series of profiles. T-bolt belongs to activity rag bolt. The bolt is a mechanical part and is a cylindrical threaded fastener matched with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. Hexagonal, round, square, countersunk, etc. With a hex head being the most common. The countersunk head is typically used where a smooth, non-protruding surface is desired after the connection, as the countersunk head can be screwed into the part. The round head can also be screwed into the part. The tightening force of the square head may be larger, but the size is large.

However, T-shaped bolts on the market have poor fixity, and can loosen and the like in long-time high-frequency vibration, so that the safety is affected.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the T-shaped bolt which has the advantages of high tightness, difficulty in loosening and the like, and solves the problem that the safety is affected due to the phenomena of loosening and the like in high-frequency vibration.

(II) technical scheme

In order to achieve the purpose of high fastening performance and difficulty in loosening, the invention provides the following technical scheme: the utility model provides a T type bolt, includes fixing device, single button head parallel key, thread protection device, twists screw auxiliary device and reinforcing apparatus, fixing device includes fixed block one, a fixed block lower extreme fixed surface is connected with arc fixed block one, a fixed surface center department fixedly connected with screw rod one under the arc fixed block, a screw rod lower extreme surface is with thread one, a screw rod lower extreme surface is equipped with single button head keyway, the inside screw thread that is equipped with of single button head keyway lower extreme surface, the inside screw thread that is equipped with in an upper end of fixed block is two.

Preferably, the single round-head flat key comprises a second fixing block, a semicircular fixing block is fixedly connected to the surface of the upper end of the second fixing block, a third thread is arranged inside the lower end of the second fixing block, and the third thread is consistent with the first thread.

Preferably, the screw thread protection device comprises a first round fixing block, wherein a fourth thread is arranged in the first round fixing block and can be screwed with the first screw thread.

Preferably, the screw screwing auxiliary device comprises a third fixing block, the lower end surface of the third fixing block is fixedly connected with a second arc-shaped fixing block, the lower end surface of the second arc-shaped fixing block is fixedly connected with a second screw rod, the lower end surface of the second screw rod is provided with a second screw thread, and the second screw thread can be screwed with the second screw thread.

Preferably, the surface of the upper end of the third fixing block is fixedly connected with a handle, the surface of the handle is provided with a rubber ring, and the lower end of the inner side surface of the handle is fixedly connected with a fourth fixing block.

Preferably, the reinforcing device comprises a second round fixing block, a third screw rod is fixedly connected to the center of the surface of the lower end of the second round fixing block, a third screw thread is attached to the circumferential surface of the third screw rod, and a hexagonal groove is formed in the inner portion of the upper end of the second round fixing block.

Preferably, the thread three can be screwed with the thread three and the thread one.

(III) advantageous effects

Compared with the prior art, the invention provides a T-shaped bolt which has the following beneficial effects:

1. this T type bolt is equipped with screw thread one in through single button head keyway, single button head parallel key can be placed to single button head keyway, and screw thread three in the single button head parallel key is unanimous with screw thread one, and screw thread three in the reinforcing apparatus can spiral shell screw thread three and screw thread one, and fixing device closes the back with the flange nut spiral shell, puts into single button head parallel key and spiral shell screw thread three and screw thread one with the reinforcing apparatus spiral shell in single button head keyway, plays the reinforcing effect, can keep fastening in vibrations lasting by a wide margin, has very good stability.

2. According to the T-shaped bolt, the third thread in the single-round-head flat key is consistent with the first thread, the third thread in the reinforcing device can be screwed with the third thread, the first thread is screwed with the third thread, after the fixing device is screwed with the flange nut, the single-round-head flat key is placed in the single-round-head key groove, the third thread and the first thread are screwed with the reinforcing device, the reinforcing effect is achieved, fastening can be kept in large-amplitude lasting vibration, and the T-shaped bolt has good stability.

3. This T type bolt is used for can going into two screw threads of screw thread two when having no instrument through twisting screw auxiliary device in, handle person of facilitating the use goes into flange nut with the fixing device screw thread, and the rubber circle is used for the antiskid, prevents that there is the burr on the handle surface, can protect the security of user's both hands, and the use of arc fixed block two makes two screw threads and the spiral shell of screw thread two more fasten, and more person of facilitating the use uses.

4. This T type bolt is used for protecting screw tooth one at the transportation through setting up screw tooth protection device, can effectively avoid appearing the screw tooth and damage the condemned phenomenon of article in the transportation.

5. The T-shaped bolt has the advantages that the head of the common T-shaped bolt is hidden in the groove, the novel T-shaped bolt developed by the company is used in the occasion that the bolt head is exposed outside, the appearance of the novel T-shaped bolt is required to be regular, the novel T-shaped bolt cannot have burrs, convex-concave and the like which affect the attractiveness, the novel T-shaped bolt is characterized in that the groove hole is matched with the head of the T-shaped bolt due to the fact that the novel T-shaped bolt is pressed by the fastener specially when the appearance is attractive, the novel T-shaped bolt is obvious in anti-loosening and easy fastening, the novel T-shaped bolt can be widely applied to large-scale sports buildings and various steel structures which are exposed without secondary decoration, and in the related aluminum alloy industry, compared with the common product, the common T-shaped bolt belongs to a rough product, the novel T-shaped bolt belongs to a refined product, the novel T-shaped bolt is smooth in appearance and free of hurting burrs, the novel T-shaped bolt head can be marked to play a role in beauty and propaganda, and the novel T-shaped bolt tail is subjected to gluing treatment to play a role in looseness prevention and skid prevention.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a fixing device according to the present invention;

FIG. 3 is a schematic view of a single round-headed flat key structure according to the present invention;

FIG. 4 is a schematic structural view of the thread protector of the present invention;

fig. 5 is a schematic structural view of the reinforcing apparatus of the present invention.

In the figure: the special fixture comprises a fixing device 1, a single-round-head flat key 2, a thread protection device 3, a screw screwing auxiliary device 4, a reinforcing device 5, a first 101 fixing block, a first 102 arc-shaped fixing block, a first 103 screw rod, a first 104 screw thread, a first 105 single-round-head key groove, a first 106 screw thread, a second 107 screw thread, a second 201 fixing block, a second 202 semicircular fixing block, a third 203 screw thread, a first 301 circular fixing block, a fourth 302 screw thread, a third 401 fixing block, a handle 402, a rubber ring 403, a fourth 404 fixing block, a second 405 arc-shaped fixing block, a second 406 screw rod, a second 407 screw thread, a second 501 circular fixing block, a third 502 screw rod, a third 503 screw thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a T-shaped bolt comprises a fixing device 1, a single-round-head flat key 2, a thread protecting device 3, a screw screwing auxiliary device 4 and a reinforcing device 5, wherein the fixing device 1 comprises a first fixing block 101, a first arc-shaped fixing block 102 is fixedly connected to the lower end surface of the first fixing block 101, a first screw 103 is fixedly connected to the center of the lower end surface of the first arc-shaped fixing block 102, a first thread 104 is attached to the lower end surface of the first screw 103, a single-round-head key groove 105 is formed in the lower end surface of the first screw 103, a first thread 106 is arranged inside the lower end surface of the single-round-head key groove 105, a second thread 107 is arranged inside the upper end of the first fixing block 101, an arc shape of the first arc-shaped fixing block 102 is smooth in appearance and free of human injury burrs and is matched with a prefabricated hole of a fastener, when fastening is carried out, a bolt head cannot rotate, a fastened bolt is prevented from loosening, The single-round-head flat key 2 has an anti-skid function, the single-round-head flat key 2 comprises a second fixing block 201, the upper end surface of the second fixing block 201 is fixedly connected with a semicircular fixing block 202, the lower end of the second fixing block 201 is internally provided with a third thread 203, the third thread 203 has the same texture as the first thread 106, the thread protection device 3 comprises a first circular fixing block 301, the first circular fixing block 301 is internally provided with a fourth thread 302, the fourth thread 302 can be screwed with a first thread 104, the screwing auxiliary device 4 comprises a third fixing block 401, the lower end surface of the third fixing block 401 is fixedly connected with a second arc-shaped fixing block 405, the lower end surface of the second arc-shaped fixing block 405 is fixedly connected with a second screw rod 406, the lower end surface of the second screw rod 406 is provided with a second thread 407, the second screw thread 407 can be screwed with a second thread 107, the upper end surface of the third fixing, the center of the surface of the lower end of the second round fixing block 501 is fixedly connected with a third screw 503, the circumferential surface of the third screw 503 is attached with a third screw thread 503, a hexagonal groove 504 is formed in the inner portion of the upper end of the second round fixing block 501, the third screw thread 503 can be screwed with the third screw thread 203 and the first screw thread 103, the third screw thread 503 in the reinforcing device 5 can be screwed with the third screw thread 203 and the first screw thread 106, after the fixing device 1 is screwed with the flange nut, the single round flat key 2 is placed in the single round key groove 105, and the third screw thread 203 and the first screw thread 106 are screwed with the reinforcing device 5, so that the reinforcing effect is achieved, fastening can be kept in large-amplitude lasting.

When in use:

the first step is as follows: through a fixed block 101 fixed connection arc fixed block 102, an arc fixed block 102 fixed connection screw rod 103, screw rod 103 surface is equipped with screw thread 104, a fixed block 101 lower extreme is equipped with single button head keyway 105, be equipped with screw thread 106 in the single button head keyway 105, single button head parallel key 2 can be placed to single button head keyway 105, the camber of arc fixed block 102, the outward appearance is smooth, do not hinder human burr, and it is identical to be prefabricated the hole by the fastener, in the fastening, the bolt head can not rotate, fastening back bolt, the bolt head direction is unanimous when a plurality of bolts use together, and is pleasing to the eye, and 1 afterbody rubber coating of fixing device is handled in order to play locking, the antiskid is used.

The second step is that: through the thread three 203 in the single round head flat key 2 is consistent with the thread one 106, the thread three 503 in the reinforcing device 5 can be screwed with the thread three 203 and the thread one 106, after the fixing device 1 is screwed with the flange nut, the single round head flat key 2 is placed in the single round head key groove 105, and the thread three 203 and the thread one 106 are screwed with the reinforcing device 5, so that the reinforcing effect is achieved, fastening can be kept in large-amplitude lasting vibration, and the high-stability single round head flat key has good stability.

The third step: the screw auxiliary device 4 is used for screwing the second screw thread 407 into the second screw thread 107 when no tool is available, the handle 402 is convenient for a user to screw the fixing device into the flange nut, the rubber ring 403 is used for preventing slipping and burrs on the surface of the handle, the safety of the two hands of the user can be protected, and the second arc-shaped fixing block 405 is used, so that the screw connection of the second screw thread 407 and the second screw thread 107 is more tight, and the use of the user is more convenient.

The fourth step: the thread protection device 3 is used for protecting the first thread 104 in the transportation process, so that the phenomenon that the thread damages objects and is scrapped in the transportation process can be effectively avoided.

The fifth step: the head of the common T-shaped bolt is hidden in the groove, the novel T-shaped bolt developed by our company is used in the occasion that the bolt head is exposed outside, the appearance of the novel T-shaped bolt is required to be regular, the conditions that burrs, convex-concave and the like influence the attractiveness are not existed, when the appearance is beautiful, the slotted hole is matched with the T-shaped bolt head due to the special pressing of the fastener, so the novel T-shaped bolt is outstanding in the aspects of looseness prevention and easy fastening, the product can be widely applied to large-scale sports buildings, various steel structures which are exposed without secondary decoration and related aluminum alloy industries, compared with the common product, the common T-shaped bolt is a crude product, the novel T-shaped bolt is a refined product, the novel T-shaped bolt is smooth in appearance and free of hurt burrs, the two sides of the bolt head are hemispherical and matched with the prefabricated holes of the fastener, the lower part of the bolt head is arc-shaped and matched with the prefabricated holes of the fastener, and the novel T-shaped bolt, Propaganda effect, novel T type bolt tail rubber coating is handled to play locking, antiskid effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a T type bolt, includes fixing device (1), single button head flat key (2), thread protection device (3), twists screw auxiliary device (4) and reinforcing apparatus (5), its characterized in that: fixing device (1) is including fixed block one (101), fixed block one (101) lower extreme fixed surface is connected with arc fixed block one (102), arc fixed block one (102) lower extreme surface center fixedly connected with screw rod one (103), screw rod one (103) lower extreme surface is with screw thread one (104), screw rod one (103) lower extreme surface is equipped with single button head keyway (105), single button head keyway (105) lower extreme surface inside is equipped with screw thread one (106), fixed block one (101) upper end inside is equipped with screw thread two (107).

2. A T-bolt as defined in claim 1 wherein: the single-round-head flat key (2) comprises a second fixing block (201), the upper end surface of the second fixing block (201) is fixedly connected with a semicircular fixing block (202), a third thread (203) is arranged inside the lower end of the second fixing block (201), and the third thread (203) is consistent with a first thread (106) in line.

3. A T-bolt as defined in claim 1 wherein: the screw thread protection device (3) comprises a first round fixing block (301), wherein a fourth thread (302) is arranged in the first round fixing block (301), and the fourth thread (302) can be screwed with the first screw thread (104).

4. A T-bolt as defined in claim 1 wherein: the screw screwing auxiliary device (4) comprises a third fixing block (401), the lower end surface of the third fixing block (401) is fixedly connected with a second arc-shaped fixing block (405), the lower end surface of the second arc-shaped fixing block (405) is fixedly connected with a second screw rod (406), the lower end surface of the second screw rod (406) is provided with a second screw thread (407), and the second screw thread (407) can be screwed with the second screw thread (107).

5. A T-bolt as defined in claim 1 wherein: the handle (402) is fixedly connected to the surface of the upper end of the third fixing block (401), the rubber ring (403) is arranged on the surface of the handle (402), and the fourth fixing block (404) is fixedly connected to the lower end of the inner side face of the handle (402).

6. A T-bolt as defined in claim 1 wherein: the reinforcing device (5) comprises a second round fixing block (501), a third screw rod (503) is fixedly connected to the center of the surface of the lower end of the second round fixing block (501), a third screw thread (503) is attached to the circumferential surface of the third screw rod (503), and a hexagonal groove (504) is formed in the inner portion of the upper end of the second round fixing block (501).

7. A T-bolt as defined in claim 1 wherein: the third thread (503) can be screwed with the third thread (203) and the first thread (103).