CN213235741U - Anticorrosive type stretching strap fastening bolt - Google Patents
Anticorrosive type stretching strap fastening bolt Download PDFInfo
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- CN213235741U CN213235741U CN202022068317.2U CN202022068317U CN213235741U CN 213235741 U CN213235741 U CN 213235741U CN 202022068317 U CN202022068317 U CN 202022068317U CN 213235741 U CN213235741 U CN 213235741U
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Abstract
The utility model relates to the technical field of bolts, and an anticorrosive type stretching strap fastening bolt is disclosed, the electric iron comprises a screw rod, the top fixedly connected with bolt head of screw rod, screw rod and bolt head are connected with extension mechanism jointly, extension mechanism includes the connecting hole, the spread groove, the rectangle pole, the connecting block, two shifting chutes, two springs, two fixture blocks and a plurality of draw-in grooves, the connecting hole is seted up in the bolt head, the one end at the screw rod is seted up to the spread groove, the notch and the connecting hole of spread groove are linked together, the cross-section of spread groove is the rectangle setting, the rectangle pole sets up in the spread groove, the rectangle pole cooperatees with the spread groove, the corresponding one end of rectangle pole extends to in the connecting hole, connecting block fixed connection is in the. The utility model discloses can stretch out the rectangle pole, drive the screw rod through rotating the rectangle pole and rotate, the bolt of some narrow and small positions is easy to assemble and dismantlement, and the operation is more laborsaving quick, has improved the installation effectiveness.
Description
Technical Field
The utility model relates to a bolt technical field especially relates to an anticorrosive type stretching strap fastening bolt.
Background
The bolt is a mechanical part, and the cylindrical threaded fastener of adapted nut, a class of fastener that comprises head and screw rod two parts need with the nut cooperation for two parts that have the through-hole of fastening connection, and present bolt drives the screw rod through rotating the bolt head and rotates, and the position of bolt head is fixed, and to some narrow and small bolts in position, the inconvenient bolt head that rotates of instrument, take trouble and energy, installation and dismantlement bolt efficiency are slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art present bolt and driving the screw rod through the rotor bolt head and rotate, the rigidity of bolt head, to the narrow and small bolt in some positions, the inconvenient rotor bolt head of instrument takes trouble hard, installs and dismantles bolt efficiency problem slowly, and the anticorrosive type stretching strap fastening bolt who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an anti-corrosion type pull belt fastening bolt comprises a screw rod, wherein the top of the screw rod is fixedly connected with a bolt head, and the screw rod and the bolt head are jointly connected with an extension mechanism;
the extension mechanism comprises a connecting hole, a connecting groove, a rectangular rod, a connecting block, two moving grooves, two springs, two clamping blocks and a plurality of clamping grooves, the connecting hole is formed in the bolt head, the connecting groove is formed in one end of the screw rod, the notch of the connecting groove is communicated with the connecting hole, the cross section of the connecting groove is in a rectangular arrangement, the rectangular rod is arranged in the connecting groove, the rectangular rod is matched with the connecting groove, the corresponding end of the rectangular rod extends into the connecting hole, the connecting block is fixedly connected to the corresponding end of the rectangular rod and abuts against the bolt head, the two moving grooves are symmetrically formed in the hole wall of the connecting hole, the two springs are respectively and fixedly connected to the bottoms of the corresponding moving grooves, the two clamping blocks are respectively and fixedly connected to one ends, far away from the bottoms of the moving grooves, of the clamping grooves are uniformly and equidistantly formed in two sides of the, and one end of the clamping block, which is close to the clamping groove, is arc-shaped.
Preferably, the two sides of the clamping block are fixedly connected with sliding blocks, the groove walls of the two sides of the moving groove are provided with sliding grooves, and the two sliding blocks are respectively connected in the corresponding sliding grooves in a sliding mode.
Preferably, a ball groove is formed in one end, close to the bottom of the sliding groove, of the sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and is connected to the bottom of the sliding groove in a rolling mode.
Preferably, the ball groove is closed, and the diameter of the ball is larger than the diameter of the notch of the ball groove.
Preferably, the both sides of rectangular rod are the equal fixedly connected with stopper, the spacing groove has all been seted up on the both sides cell wall of spread groove, two stopper difference sliding connection is at the spacing inslot that corresponds.
Preferably, the material of the extension mechanism is stainless alloy material.
Compared with the prior art, the utility model provides an anticorrosive type stretching strap fastening bolt possesses following beneficial effect:
this anticorrosive type stretching strap fastening bolt through setting up connecting hole, spread groove, rectangular rod, connecting block, two shifting chutes, two springs, two fixture blocks and a plurality of draw-in grooves constitution extension mechanism, can stretch out the rectangular rod, drives the screw rod through rotating the rectangular rod and rotates, and easy to assemble and dismantle the bolt of some narrow and small positions, operate more laborsavingly fast, improved the installation effectiveness.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can stretch out the rectangle pole, drive the screw rod through rotating the rectangle pole and rotate, easy to assemble and dismantle the bolt of some narrow and small positions, it is more laborsaving quick to operate, has improved the installation effectiveness.
Drawings
Fig. 1 is a schematic structural view of an anti-corrosion type fastening bolt for a pull strap provided by the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises a screw rod 1, a bolt head 2, an extension mechanism 3, a connecting hole 31, a connecting groove 32, a rectangular rod 33, a connecting block 34, a moving groove 35, a spring 36, a clamping block 37, a clamping groove 38, a sliding block 4, a sliding groove 5, a ball groove 6, a ball 7, a limiting block 8 and a limiting groove 9.
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.
Referring to fig. 1-2, an anti-corrosion type drawstring fastening bolt comprises a screw rod 1, wherein the top of the screw rod 1 is fixedly connected with a bolt head 2, and the screw rod 1 and the bolt head 2 are jointly connected with an extension mechanism 3;
the extension mechanism 3 comprises a connecting hole 31, a connecting groove 32, a rectangular rod 33, a connecting block 34, two moving grooves 35, two springs 36, two clamping blocks 37 and a plurality of clamping grooves 38, the connecting hole 31 is arranged in the bolt head 2, the connecting groove 32 is arranged at one end of the screw rod 1, the notch of the connecting groove 32 is communicated with the connecting hole 31, the section of the connecting groove 32 is rectangular, the rectangular rod 33 is arranged in the connecting groove 32, the rectangular rod 33 is matched with the connecting groove 32, the corresponding end of the rectangular rod 33 extends into the connecting hole 31, the connecting block 34 is fixedly connected at the corresponding end of the rectangular rod 33, the connecting block 34 is abutted against the bolt head 2, the two moving grooves 35 are symmetrically arranged on the hole wall of the connecting hole 31, the two springs 36 are respectively and fixedly connected at the bottoms of the corresponding moving grooves 35, and the two clamping blocks 37 are respectively and fixedly connected at the, the both sides at rectangular pole 33 are seted up to the even equidistance of a plurality of draw-in groove 38, the one end that fixture block 37 is close to draw-in groove 38 sets up for the arc, when bolt length is convenient for rotate the bolt when needs increase, pulling connecting block 34, connecting block 34 drives rectangular pole 33 and removes, remove to suitable position, spring 36 promotes fixture block 37 card and goes into in draw-in groove 38, rotate connecting block 34, connecting block 34 drives rectangular pole 33 and rotates, rectangular pole 33 drives screw rod 1 and rotates, thereby screw in or screw out screw rod 1, can stretch out rectangular pole 33, drive screw rod 1 through rotating rectangular pole 33 and rotate, the bolt of some narrow and small positions is easy to assemble and dismantle, the operation is more laborsaving fast, and the installation efficiency is improved.
The equal fixedly connected with slider 4 in both sides of fixture block 37, all seted up spout 5 on the both sides cell wall of shifting chute 35, two sliders 4 sliding connection respectively make fixture block 37 more firm in corresponding spout 5, are difficult for rocking.
The ball groove 6 has been seted up to the one end that slider 4 is close to 5 tank bottoms of spout, and ball 7 is connected with in the ball groove 6 roll, and the one end that ball 7 kept away from 6 tank bottoms of ball groove passes the notch of ball groove 6 and roll connection at the tank bottom of spout 5, makes slider 4 remove more in the same direction as smooth, is difficult for blocking.
The ball groove 6 is arranged for closing up, and the diameter of the ball 7 is larger than the diameter of the opening of the ball groove 6, so that the ball 7 cannot be separated from the ball groove 6.
The equal fixedly connected with stopper 8 in both sides of rectangular rod 33 has all seted up spacing groove 9 on the both sides cell wall of spread groove 32, and two stopper 8 sliding connection make rectangular rod 33 more firm in the spacing groove 9 that corresponds respectively, increase the bearing capacity of bolt.
The material of the extension mechanism 3 is stainless alloy material, so that the extension mechanism 3 has higher strength and is not easy to break.
The utility model discloses in, when needs increase bolt length and be convenient for rotate the bolt, pulling connecting block 34, connecting block 34 drives rectangular rod 33 and removes, remove suitable position, spring 36 promotes 37 card of fixture block and goes into in draw-in groove 38, rotate connecting block 34, connecting block 34 drives rectangular rod 33 and rotates, rectangular rod 33 drives screw rod 1 and rotates, thereby screw in or screw out screw rod 1, can stretch out rectangular rod 33, drive screw rod 1 through rotating rectangular rod 33 and rotate, easy to assemble and dismantle the bolt of some narrow and small positions, the operation is more laborsaving quick, and the installation efficiency is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An anti-corrosion type drawstring fastening bolt comprises a screw rod (1) and is characterized in that the top of the screw rod (1) is fixedly connected with a bolt head (2), and the screw rod (1) and the bolt head (2) are jointly connected with an extension mechanism (3);
the extension mechanism (3) comprises a connecting hole (31), a connecting groove (32), a rectangular rod (33), a connecting block (34), two moving grooves (35), two springs (36), two clamping blocks (37) and a plurality of clamping grooves (38), wherein the connecting hole (31) is formed in the bolt head (2), the connecting groove (32) is formed in one end of the screw rod (1), a notch of the connecting groove (32) is communicated with the connecting hole (31), the cross section of the connecting groove (32) is rectangular, the rectangular rod (33) is arranged in the connecting groove (32), the rectangular rod (33) is matched with the connecting groove (32), one corresponding end of the rectangular rod (33) extends into the connecting hole (31), the connecting block (34) is fixedly connected to one corresponding end of the rectangular rod (33), and the connecting block (34) is abutted to the bolt head (2), two on the pore wall of connecting hole (31) is seted up to removal groove (35) symmetry, two spring (36) fixed connection respectively is at the tank bottom of the removal groove (35) that corresponds, two fixture block (37) fixed connection respectively keeps away from the one end of removal groove (35) tank bottom in spring (36) that corresponds, a plurality of the both sides in rectangular rod (33) are seted up to even equidistance of draw-in groove (38), the one end that fixture block (37) is close to draw-in groove (38) is the arc setting.
2. The corrosion-resistant drawstring fastening bolt as recited in claim 1, wherein both sides of the clamping block (37) are fixedly connected with sliding blocks (4), both side groove walls of the moving groove (35) are provided with sliding grooves (5), and the two sliding blocks (4) are respectively connected in the corresponding sliding grooves (5) in a sliding manner.
3. The corrosion-resistant draw tape fastening bolt according to claim 2, characterized in that one end of the slider (4) close to the bottom of the sliding groove (5) is provided with a ball groove (6), a ball (7) is connected in the ball groove (6) in a rolling manner, and one end of the ball (7) far away from the bottom of the ball groove (6) passes through the notch of the ball groove (6) and is connected to the bottom of the sliding groove (5) in a rolling manner.
4. The corrosion-resistant draw tape fastening bolt according to claim 3, wherein the ball groove (6) is closed, and the diameter of the ball (7) is larger than the diameter of the notch of the ball groove (6).
5. The corrosion-resistant drawstring fastening bolt as defined in claim 1 wherein, both sides of the rectangular rod (33) are fixedly connected with limit blocks (8), both side groove walls of the connecting groove (32) are provided with limit grooves (9), and the two limit blocks (8) are respectively connected in the corresponding limit grooves (9) in a sliding manner.
6. The corrosion-resistant fastening bolt for the pull belt as claimed in claim 1, wherein the extension mechanism (3) is made of stainless alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068317.2U CN213235741U (en) | 2020-09-21 | 2020-09-21 | Anticorrosive type stretching strap fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068317.2U CN213235741U (en) | 2020-09-21 | 2020-09-21 | Anticorrosive type stretching strap fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235741U true CN213235741U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022068317.2U Active CN213235741U (en) | 2020-09-21 | 2020-09-21 | Anticorrosive type stretching strap fastening bolt |
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| Country | Link |
|---|---|
| CN (1) | CN213235741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374772A (en) * | 2021-05-26 | 2021-09-10 | 张鹏辉 | High-strength screw fastener |
-
2020
- 2020-09-21 CN CN202022068317.2U patent/CN213235741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374772A (en) * | 2021-05-26 | 2021-09-10 | 张鹏辉 | High-strength screw fastener |
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