CN204458744U - Clamping bolt - Google Patents

Clamping bolt Download PDF

Info

Publication number
CN204458744U
CN204458744U CN201520091616.4U CN201520091616U CN204458744U CN 204458744 U CN204458744 U CN 204458744U CN 201520091616 U CN201520091616 U CN 201520091616U CN 204458744 U CN204458744 U CN 204458744U
Authority
CN
China
Prior art keywords
bolt
screw rod
motion bar
bolt head
tapped hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520091616.4U
Other languages
Chinese (zh)
Inventor
樊卫峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Economic And Technological Development Zone Yong Gang Securing Member Co Ltd
Original Assignee
Ningbo Economic And Technological Development Zone Yong Gang Securing Member Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Economic And Technological Development Zone Yong Gang Securing Member Co Ltd filed Critical Ningbo Economic And Technological Development Zone Yong Gang Securing Member Co Ltd
Priority to CN201520091616.4U priority Critical patent/CN204458744U/en
Application granted granted Critical
Publication of CN204458744U publication Critical patent/CN204458744U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of clamping bolt, comprise bolt head and screw rod, described bolt head and screw rod are equipped with tapped hole, the hand of spiral of described tapped hole is contrary with screw flight direction, described screw rod comprises in being separated the first half screw rods that arrange and the second half screw rods, described tapped hole internal thread is connected with motion bar, and described motion bar is provided with in round table-like withstanding tight block relative to one end of bolt head.The utility model has the following advantages and effect: by being arranged on motion bar in screw rod by large for screw diameter support, more effectively will prevent loosening of bolt, simultaneously easy to operate.

Description

Clamping bolt
Technical field
The utility model relates to fastener areas, is specifically related to a kind of clamping bolt.
Background technique
Bolt is by bolt head and screw rod (with an externally threaded cylindrical body) class fastening piece dimerous, for being fastenedly connected two mechanical machine part with through hole.Bolt daily life when in and in panel beating and machine tooling technical field in the middle of, be absolutely necessary, but the time is permanent, as the equipment that some often use, very large vibrations can be produced, can bolt looseness be caused, immeasurable loss can be caused, even cause personal injury.
Some bolts can be locked by spring washer, but the packing ring of this type of bolt can often be lost, thus be the Chinese patent " bolt " of 201120036032.9 at application number, disclose a kind of bolt, comprise bolt head and threaded stem, described bolt head and threaded stem connect into an entirety, the end face side that described bolt head is connected with threaded stem has an arc disk, and described arc disk and threaded stem joint are provided with a circular groove, by packing ring part is wholely set by bolt head, this type of arranges the frictional force increasing bolt and equipment further, but the problem of the frictional force between screw thread and equipment does not still solve, or can loosen.
Model utility content
For the deficiency that prior art exists, it is good that the purpose of this utility model is to provide a kind of fastening effect, the clamping bolt not easily loosened.
For achieving the above object, the utility model provides following technological scheme: a kind of clamping bolt, comprise bolt head and screw rod, described bolt head and screw rod are equipped with tapped hole, the hand of spiral of described tapped hole is contrary with screw flight direction, described screw rod comprises in being separated the first half screw rods that arrange and the second half screw rods, and described tapped hole internal thread is connected with motion bar, and described motion bar is provided with in round table-like withstanding tight block relative to one end of bolt head.
By adopting technique scheme, bolt head and screw rod are wholely set, screw rod and bolt head are also provided with through tapped hole, motion bar is connected with at tapped hole internal thread, motion bar is by controlling the movement that can be implemented in tapped hole, the first half screw rods and the second half screw rods are comprised respectively away from one end of bolt head at screw rod, one end of motion bar is provided with in round table-like withstanding tight block simultaneously, when using this bolt, if clockwise direction is for tightening this bolt, tentatively tighten this bolt is screwed to be screwed to clockwise in equipment, because the hand of spiral of screw rod outer surface is contrary with the hand of spiral of tapped hole, when rotating clockwise motion bar with instrument again, motion bar can rotate along tapped hole and rise, now because the withstanding tight block of motion bar is that round platform is arranged, the first half screw rods and the second half screw rods can be opened wide while making withstanding tight block increase, the diameter of screw rod is realized to become large, the hole of screw rod and equipment realizes stuck, effectively prevent loosening of bolt, simultaneously because the direction of motion bar is identical with the direction of rotating bolt, problem bolt can not back-outed, can be fastening further.
Of the present utility modelly to be set to further: between described the first half screw rods and the second half screw rods, be also formed with the surface groove matched with withstanding tight block.
By adopting technique scheme, the setting of surface groove be in order to better coordinate withstanding tight block by the first half screw rods and the second half screw rod supports large, allow withstanding tight block enter in mounting hole more easily.
Of the present utility modelly to be set to further: described motion bar is provided with straight groove relative to the other end of withstanding tight block.
By adopting technique scheme, be provided with straight groove convenient screwdriver in the front end of motion bar and motion bar is rotated rising, convenient clamps whole bolt.
Of the present utility modelly to be set to further: described bolt head is hex head bolt head.
By adopting technique scheme, bolt head is hexagonal shape is in order to more convenient spanner rotates this bolt.
The utility model has following advantage: by being arranged on motion bar in screw rod by large for screw diameter support, more effectively will prevent loosening of bolt, simultaneously easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A portion enlarged diagram shown in Fig. 1.
In figure: 1, bolt head; 2, screw rod; 3, tapped hole; 4, the first half screw rods; 5, the second half screw rods; 6, motion bar; 7, withstanding tight block; 8, surface groove; 9, straight groove.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model clamping bolt embodiment is described further.
A kind of clamping bolt, comprise bolt head 1 and screw rod 2, described bolt head 1 and screw rod 2 are equipped with tapped hole 3, the hand of spiral of described tapped hole 3 is contrary with the hand of spiral of screw rod 2, described screw rod 2 comprises in being separated the first half screw rods 4 that arrange and the second half screw rods 5, described tapped hole 3 internal thread is connected with motion bar 6, described motion bar 6 is provided with in round table-like withstanding tight block 7 relative to one end of bolt head 1, state motion bar 6 and be provided with straight groove 9 relative to the other end of withstanding tight block 7, the surface groove 8 matched with withstanding tight block 7 is also formed between described the first half screw rods 4 and the second half screw rods 5.
By adopting technique scheme, bolt head 1 and screw rod 2 are wholely set, screw rod 2 and bolt head 1 are also provided with through tapped hole 3, motion bar 6 is connected with at tapped hole 3 internal thread, motion bar 6 is by controlling the movement that can be implemented in tapped hole 3, the first half screw rods 4 and the second half screw rods 5 are comprised respectively away from one end of bolt head 1 at screw rod 2, one end of motion bar 6 is provided with in round table-like withstanding tight block 7 simultaneously, when using this bolt, if clockwise direction is for tightening this bolt, tentatively tighten this bolt is screwed to be screwed to clockwise in equipment, because the hand of spiral of screw rod 2 outer surface is contrary with the hand of spiral of tapped hole 3, when rotating clockwise the straight groove 9 on motion bar 6 with screw-driver again, motion bar 6 can rotate along tapped hole 3 and rise, now because the withstanding tight block 7 of motion bar 6 is arranged in round platform, withstanding tight block 7 is made to increase, enter in surface groove 8, the first half screw rods 4 and the second half screw rods 5 can be opened wide, also surface groove 8 need not be provided with herein, surface groove 8 is herein in order to withstanding tight block 7 better enters in tapped hole 3, when the diameter of screw rod 2 is become large by realization, screw rod 2 realizes stuck with the hole of equipment, effectively prevent loosening of bolt, simultaneously because the direction of motion bar 6 is identical with the direction of rotating bolt, problem bolt can not back-outed, can be fastening further.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (4)

1. a clamping bolt, comprise bolt head and screw rod, it is characterized in that: described bolt head and screw rod are equipped with tapped hole, the hand of spiral of described tapped hole is contrary with screw flight direction, described screw rod comprises in being separated the first half screw rods that arrange and the second half screw rods, described tapped hole internal thread is connected with motion bar, and described motion bar is provided with in round table-like withstanding tight block relative to one end of bolt head.
2. clamping bolt according to claim 1, is characterized in that: be also formed with the surface groove matched with withstanding tight block between described the first half screw rods and the second half screw rods.
3. clamping bolt according to claim 1, is characterized in that: described motion bar is provided with straight groove relative to the other end of withstanding tight block.
4. clamping bolt according to claim 1, is characterized in that: described bolt head is hex head bolt head.
CN201520091616.4U 2015-02-07 2015-02-07 Clamping bolt Expired - Fee Related CN204458744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520091616.4U CN204458744U (en) 2015-02-07 2015-02-07 Clamping bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520091616.4U CN204458744U (en) 2015-02-07 2015-02-07 Clamping bolt

Publications (1)

Publication Number Publication Date
CN204458744U true CN204458744U (en) 2015-07-08

Family

ID=53665636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520091616.4U Expired - Fee Related CN204458744U (en) 2015-02-07 2015-02-07 Clamping bolt

Country Status (1)

Country Link
CN (1) CN204458744U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114430A (en) * 2015-09-02 2015-12-02 无锡市东赫金属制品有限公司 Thickness-adjustable bolt
CN107269669A (en) * 2017-07-27 2017-10-20 海盐东盛紧固件制造有限公司 A kind of anti-theft bolt group for being difficult to remove

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114430A (en) * 2015-09-02 2015-12-02 无锡市东赫金属制品有限公司 Thickness-adjustable bolt
CN107269669A (en) * 2017-07-27 2017-10-20 海盐东盛紧固件制造有限公司 A kind of anti-theft bolt group for being difficult to remove

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150708

Termination date: 20160207