CN218118266U

CN218118266U - Fastening bolt with adjustable length

Info

Publication number: CN218118266U
Application number: CN202222336789.0U
Authority: CN
Inventors: 闵少峰
Original assignee: Zhongdao Intelligent Equipment Manufacturing Hebei Co ltd
Current assignee: Zhongdao Intelligent Equipment Manufacturing Hebei Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-23
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a fastening bolt with adjustable length, including spiral shell lid and swivel nut, the swivel nut is located the top of spiral shell lid, and the top of spiral shell lid is provided with long post, the bottom fixedly connected with screw rod of long post, and the surface of screw rod is provided with the screw thread, and the left side and the right side of spiral shell lid front side all are provided with the casing, and the bottom of right side casing inner chamber is provided with the locating component who uses with the cooperation of long post, and the top of right side casing is provided with the spacing subassembly that the locating component cooperation was used. The positioning assembly and the limiting assembly are used in a matched mode, the user pulls the pull block, the pull block drives the pull column to move, the pull column drives the second transmission column to move, the second transmission column drives the right-angle column to move, the right-angle column drives the first transmission column to move, the first transmission column drives the connecting block to move, the spring is extruded, the connecting block drives the fixing block to move, the problem that the existing fastening bolt is thick when used is solved, the bolt cannot be used due to the fact that the length of the bolt is insufficient.

Description

Fastening bolt with adjustable length

Technical Field

The utility model belongs to the technical field of fastening bolt, especially, relate to a fastening bolt with adjustable length.

Background

The fastening bolt is a mechanical part, a cylindrical threaded fastener with a nut is matched with the nut, a fastener consisting of a head part and a screw part is matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, the bolt is a tool for fastening machine parts of the objects step by utilizing the physics and mathematical principles of the inclined circular rotation and the friction force of the objects, the types of the bolt include various types, such as a hexagon head, a round head, a square head, a countersunk head and the like, wherein the hexagon head is the most commonly used, the bolt is generally used in daily and industrial production, the bolt can meet objects with larger thickness when in use, the length of the bolt is insufficient, and the bolt can not be used, and in conclusion, the problems in the prior art are that: the prior fastening bolt meets a thick object when in use, and the bolt cannot be used due to insufficient length.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a fastening bolt with adjustable length possesses the advantage of adjustable bolt length, has solved current fastening bolt and has met thick object when using, and the bolt can be because of length is not enough, consequently the problem of unable use.

The utility model discloses a realize like this, a fastening bolt with adjustable length, including spiral shell lid and swivel nut, the swivel nut is located the top of spiral shell lid, the top of spiral shell lid is provided with long post, the bottom fixedly connected with screw rod of long post, the surface of screw rod is provided with the screw thread, the left side and the right side of spiral shell lid front side all are provided with casing, right side the bottom of casing inner chamber is provided with the locating component who uses with long post cooperation, right side the top of casing is provided with the spacing subassembly that the locating component cooperation was used.

As the utility model discloses it is preferred, locating component includes the fixed block, the right side fixedly connected with connecting block of fixed block, the right side of connecting block is provided with spacing post, the surface cover of spacing post is equipped with the spring, the first transmission post of front side fixedly connected with of connecting block.

As the utility model discloses it is preferred, spacing subassembly is including drawing the piece, the bottom fixedly connected with who draws the piece draws the post, the front side of drawing the post is provided with the right angle post that uses with the cooperation of first transmission post, the front side fixedly connected with second transmission post of drawing the post.

As the utility model discloses it is preferred, the quantity of casing is eight, and evenly distributed is on the surface of swivel nut, the trepanning that uses with the long post cooperation is all seted up to the front side and the rear side of swivel nut, the draw-in groove that uses with the fixed block cooperation is all seted up to the left side and the right side of long post front side and rear side, the first rectangular hole that uses with the connecting block cooperation is seted up in the left side of casing inner chamber, the second rectangular hole that uses with drawing the post cooperation is seted up at the top of casing inner chamber, the spacing groove that uses with the spacing post cooperation is seted up on the right side of connecting block, the spout that uses with drawing the post cooperation is seted up to shells inner wall's rear side, the first transmission groove that uses with first transmission post cooperation is seted up to one side that the right-angle post is close to first transmission post, the second transmission groove that uses with the second transmission post cooperation is seted up to one side that the right-angle post is close to second transmission post.

As the utility model discloses it is preferred, the long post is close to the inner wall contact of one side and trepanning of trepanning inner wall, the fixed block is close to one side of draw-in groove inner wall and the inner wall contact of draw-in groove, the connecting block is close to one side of first rectangle downthehole wall and the inner wall contact of first rectangular hole, draw the post to be close to one side of second rectangle downthehole wall and the inner wall contact of second rectangular hole, spacing post is close to one side of spacing inslot wall and the inner wall contact of spacing groove, first transmission post is close to one side of first transmission inslot wall and the inner wall contact of first transmission groove, the second transmission post is close to one side of second transmission inslot wall and the inner wall contact of second transmission groove.

As the utility model discloses it is preferred, the left side and the connecting block fixed connection of spring, the right side of spring and the inner wall fixed connection of casing, the right side of spacing post and the inner wall fixed connection of casing.

As the utility model discloses preferred, the rear side of right angle post and the inner wall of casing are through pivot swing joint, draw the post to be close to one side of spout inner wall and the inner wall contact of spout.

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

1. the utility model discloses a cooperation that sets up locating component and spacing subassembly is used, the user stimulates and draws the piece, draw the piece to drive and draw the post to remove, it drives second transmission post and removes to draw the post, second transmission post drives right-angle post and removes, right-angle post drives first transmission post and removes, first transmission post drives the connecting block and removes, the spring receives the extrusion, the connecting block drives the fixed block and removes, it runs into thick object to have solved current fastening bolt when using, the bolt can be because of length is not enough, consequently, the problem of unable use.

2. The utility model discloses a set up locating component, can fix the long post, person's of facilitating the use adjusting bolt's length.

3. The utility model discloses a set up spacing subassembly, can carry on spacingly to locating component, can use with the locating component cooperation and fix the long post.

4. The utility model discloses a set up the trepanning, can carry on spacingly to long post, through setting up the draw-in groove, can carry on spacingly to the fixed block, through setting up first rectangular hole, can carry on spacingly to the connecting block, through setting up the second rectangular hole, can carry on spacingly to drawing the post.

5. The utility model discloses a set up the spacing groove, can carry on spacingly to spacing post, through setting up the spout, can carry on spacingly to drawing the post, through setting up first transmission groove, can carry on spacingly to first transmission post, through setting up the second transmission groove, can carry on spacingly to the second transmission post.

6. The utility model discloses a set up first transmission post, can play the pushing action to the connecting block, through setting up the connecting block, can play the pushing action to the fixed block, through setting up the spring, can play the reset action to the connecting block, through setting up spacing post, can play limiting displacement to the connecting block.

7. The utility model discloses a setting is drawn the piece, can play the pulling effect to drawing the post, draws the post through the setting, can play the pulling effect to second transmission post, through setting up second transmission post, can play the pulling effect to right angle post, through setting up right angle post, can play the pulling effect to first transmission post.

Drawings

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

fig. 2 is a partial cross-sectional view of a front view of an embodiment of the invention;

fig. 3 is a partial enlarged view of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a perspective view of a positioning assembly and a limiting assembly according to an embodiment of the present invention.

In the figure: 1. a screw cap; 2. a threaded sleeve; 3. a long column; 4. a screw; 5. a thread; 6. a housing; 7. a positioning assembly; 8. a limiting component; 9. trepanning; 10. a card slot; 11. a first rectangular hole; 12. a second rectangular hole; 13. a limiting groove; 14. a chute; 15. a first transmission groove; 16. a second transmission groove; 701. a fixed block; 702. connecting blocks; 703. a limiting post; 704. a spring; 705. a first drive column; 801. pulling the block; 802. pulling the column; 803. a right-angled post; 804. a second drive post.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the utility model provides a fastening bolt with adjustable length, including swivel nut 1 and swivel nut 2, swivel nut 2 is located the top of swivel nut 1, and the top of swivel nut 1 is provided with long post 3, and the bottom fixedly connected with screw rod 4 of long post 3, the surface of screw rod 4 are provided with screw thread 5, and the left side and the right side of swivel nut 1 front side all are provided with casing 6, and the bottom of the 6 inner chambers of right side casing is provided with locating component 7 that uses with the cooperation of long post 3, and the top of right side casing 6 is provided with spacing subassembly 8 that locating component 7 cooperation was used.

Referring to fig. 1, 2 and 3, the positioning assembly 7 includes a fixing block 701, a connecting block 702 is fixedly connected to the right side of the fixing block 701, a limiting column 703 is disposed on the right side of the connecting block 702, a spring 704 is sleeved on the surface of the limiting column 703, and a first transmission column 705 is fixedly connected to the front side of the connecting block 702.

Adopt above-mentioned scheme: through setting up locating component 7, can fix long post 3, convenience of customers adjusting bolt's length.

Referring to fig. 2, 3 and 4, the limiting assembly 8 includes a pulling block 801, a pulling column 802 is fixedly connected to the bottom of the pulling block 801, a right-angle column 803 used in cooperation with a first transmission column 705 is arranged on the front side of the pulling column 802, and a second transmission column 804 is fixedly connected to the front side of the pulling column 802.

Adopt above-mentioned scheme: through setting up spacing subassembly 8, can carry on spacingly to locating component 7, can use with locating component 7 cooperation and fix long post 3.

Referring to fig. 2, fig. 3 and fig. 4, the quantity of casing 6 is eight, and evenly distributed is on the surface of swivel nut 2, trepanning 9 that uses with the cooperation of long post 3 has all been seted up to the front side and the rear side of swivel nut 2, draw-in groove 10 that uses with the cooperation of fixed block 701 has all been seted up to the left side and the right side of long post 3 front side and rear side, first rectangular hole 11 that uses with the cooperation of connecting block 702 has been seted up to the left side of casing 6 inner chamber, second rectangular hole 12 that uses with the cooperation of drawing post 802 has been seted up at the top of casing 6 inner chamber, spacing groove 13 that uses with the cooperation of spacing post 703 is seted up on the right side of connecting block 702, casing 6 inner wall's rear side is seted up and is drawn post 802 cooperation spout 14 that uses, right-angle post 803 is close to one side of first transmission post 705 and is seted up first transmission groove 15 that uses with the cooperation of first transmission post 705, right-angle post 803 is close to one side of second transmission post 804 and is seted up second transmission groove 16 that uses with the cooperation of second transmission post 804.

The scheme is adopted: through setting up trepanning 9, can carry on spacingly to long post 3, through setting up draw-in groove 10, can carry on spacingly to fixed block 701, through setting up first rectangular hole 11, can carry on spacingly to connecting block 702, through setting up second rectangular hole 12, can carry on spacingly to drawing post 802.

Referring to fig. 2, 3 and 4, one side of the long column 3 close to the inner wall of the sleeve hole 9 contacts with the inner wall of the sleeve hole 9, one side of the fixing block 701 close to the inner wall of the clamping groove 10 contacts with the inner wall of the clamping groove 10, one side of the connecting block 702 close to the inner wall of the first rectangular hole 11 contacts with the inner wall of the first rectangular hole 11, one side of the pull column 802 close to the inner wall of the second rectangular hole 12 contacts with the inner wall of the second rectangular hole 12, one side of the limiting column 703 close to the inner wall of the limiting groove 13 contacts with the inner wall of the limiting groove 13, one side of the first transmission column 705 close to the inner wall of the first transmission groove 15 contacts with the inner wall of the first transmission groove 15, and one side of the second transmission column 804 close to the inner wall of the second transmission groove 16 contacts with the inner wall of the second transmission groove 16.

Adopt above-mentioned scheme: through setting up spacing groove 13, can be spacing to spacing post 703, through setting up spout 14, can carry on spacingly to drawing post 802, through setting up first drive groove 15, can carry on spacingly to first drive post 705, through setting up second drive groove 16, can carry on spacingly to second drive post 804.

Referring to fig. 2, 3 and 4, the left side of the spring 704 is fixedly connected to the connecting block 702, the right side of the spring 704 is fixedly connected to the inner wall of the housing 6, and the right side of the limiting column 703 is fixedly connected to the inner wall of the housing 6.

Adopt above-mentioned scheme: through setting up first transmission post 705, can play the impetus to connecting block 702, through setting up connecting block 702, can play the impetus to fixed block 701, through setting up spring 704, can play the reset action to connecting block 702, through setting up spacing post 703, can play limiting displacement to connecting block 702.

Referring to fig. 2, 3 and 4, the rear side of the right-angle column 803 is movably connected with the inner wall of the housing 6 through a rotating shaft, and one side of the pull column 802 close to the inner wall of the chute 14 is in contact with the inner wall of the chute 14.

The scheme is adopted: through setting up and drawing piece 801, can play the pulling effect to drawing post 802, draw post 802 through the setting, can play the pulling effect to second transmission post 804, through setting up second transmission post 804, can play the pulling effect to right angle post 803, through setting up right angle post 803, can play the pulling effect to first transmission post 705.

The utility model discloses a theory of operation:

when the device is used, a user pulls the pulling block 801, the pulling block 801 drives the pulling column 802 to move, the pulling column 802 drives the second transmission column 804 to move, the second transmission column 804 drives the right-angle column 803 to move, the right-angle column 803 drives the first transmission column 705 to move, the first transmission column 705 drives the connecting block 702 to move, the spring 704 is extruded, the connecting block 702 drives the fixing block 701 to move, the long column 3 is pushed upwards, the long column 3 drives the screw rod 4 to move, the pulling block 801 is released, the spring 704 is driven by the force released after extrusion to move in the reverse direction and reset, the connecting block 702 drives the fixing block 701 to move in the reverse direction and reset, the connecting block 702 drives the right-angle column 803 to move in the reverse direction and reset through the first transmission column 705, the pulling column 803 drives the pulling column 802 to move in the reverse direction and reset through the second transmission column 804, the pulling column 802 drives the pulling block 801 to move in the reverse direction and reset, after the movement is completed, a user pulls the pulling block 801, the pulling block 801 drives the pulling column 802 to move, the pulling column 802 drives the second transmission column 804 to move, the second transmission column 804 drives the right-angle column 803 to move, the right-angle column 803 drives the first transmission column 705 to move, the first transmission column 705 drives the connecting block 702 to move, the spring 704 is extruded, the connecting block 702 drives the fixing block 701 to move, the long column 3 is pushed upwards, the long column 3 drives the screw rod 4 to move, the pulling block 801 is loosened, the spring 704 is extruded and releases force to drive the connecting block 702 to move reversely and reset, the connecting block 702 drives the fixing block to move reversely and reset, the right-angle column 803 drives the pulling column 802 to move reversely and reset through the first transmission column 705, the pulling column 802 drives the pulling block 801 to move reversely and reset, the adjustment is completed.

In conclusion: this fastening bolt with adjustable length, cooperation through setting up locating component 7 and spacing subassembly 8 is used, the user pulling draws piece 801, draw piece 801 to drive and draw post 802 to remove, it drives second transmission post 804 to draw post 802 to remove, second transmission post 804 drives right angle post 803 and removes, right angle post 803 drives first transmission post 705 and removes, first transmission post 705 drives connecting block 702 and removes, spring 704 receives the extrusion, connecting block 702 drives fixed block 701 and removes, it runs into thick object to have solved current fastening bolt when using, the bolt can be because of length inadequately, consequently, the problem of unable use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A fastening bolt with adjustable length comprises a screw cap (1) and a screw sleeve (2), wherein the screw sleeve (2) is positioned at the top of the screw cap (1), and is characterized in that: the top of spiral shell lid (1) is provided with long post (3), the bottom fixedly connected with screw rod (4) of long post (3), the surface of screw rod (4) is provided with screw thread (5), the left side and the right side of spiral shell lid (1) front side all are provided with casing (6), right side the bottom of casing (6) inner chamber is provided with locating component (7) that use with long post (3) cooperation, right side the top of casing (6) is provided with spacing subassembly (8) that locating component (7) cooperation was used.

2. A length-adjustable fastening bolt as defined in claim 1, wherein: locating component (7) includes fixed block (701), the right side fixedly connected with connecting block (702) of fixed block (701), the right side of connecting block (702) is provided with spacing post (703), the surface cover of spacing post (703) is equipped with spring (704), the first transmission post (705) of front side fixedly connected with of connecting block (702).

3. A length-adjustable fastening bolt as defined in claim 2, wherein: spacing subassembly (8) are including drawing piece (801), the bottom fixedly connected with who draws piece (801) draws post (802), the front side of drawing post (802) is provided with right angle post (803) that use with first transmission post (705) cooperation, the front side fixedly connected with second transmission post (804) of drawing post (802).

4. A length-adjustable fastening bolt as defined in claim 3, wherein: the quantity of casing (6) is eight, and evenly distributed is on the surface of swivel nut (2), trepanning (9) that use with long post (3) cooperation are all seted up to the front side and the rear side of swivel nut (2), draw-in groove (10) that use with fixed block (701) cooperation are all seted up to the left side and the right side of long post (3) front side and rear side, first rectangular hole (11) that use with connecting block (702) cooperation are seted up to the left side of casing (6) inner chamber, second rectangular hole (12) that use with pull post (802) cooperation are seted up at the top of casing (6) inner chamber, spacing groove (13) that use with spacing post (705) cooperation are seted up on the right side of connecting block (702), spout (14) that use with pull post (802) cooperation are seted up to the rear side of casing (6) inner wall, right angle post (803) is close to one side of first transmission post (705) and sets up first transmission groove (15) that use with first transmission post (705), right angle post (803) are close to one side of second transmission post (804) and second transmission post (804) cooperation.

5. A length-adjustable fastening bolt as defined in claim 4, wherein: the long column (3) is close to the inner wall contact of one side of trepanning (9) inner wall and trepanning (9), one side that fixed block (701) is close to draw-in groove (10) inner wall and the inner wall contact of draw-in groove (10), one side that connecting block (702) is close to first rectangular hole (11) inner wall and the inner wall contact of first rectangular hole (11), draw one side that post (802) is close to second rectangular hole (12) inner wall and the inner wall contact of second rectangular hole (12), one side that spacing post (703) is close to spacing groove (13) inner wall and the inner wall contact of spacing groove (13), one side that first transmission post (705) is close to first transmission groove (15) inner wall and the inner wall contact of first transmission groove (15), one side that second transmission post (804) is close to second transmission groove (16) inner wall and the inner wall contact of second transmission groove (16).

6. A length-adjustable fastening bolt as defined in claim 2, wherein: the left side of spring (704) and connecting block (702) fixed connection, the right side of spring (704) and the inner wall fixed connection of casing (6), the right side of spacing post (703) and the inner wall fixed connection of casing (6).

7. A length-adjustable fastening screw according to claim 4, characterized in that: the rear side of the right-angle column (803) is movably connected with the inner wall of the shell (6) through a rotating shaft, and one side, close to the inner wall of the sliding groove (14), of the pull column (802) is in contact with the inner wall of the sliding groove (14).