CN209494820U - A kind of bearing surface projection welding bolt of adjustable-length - Google Patents
A kind of bearing surface projection welding bolt of adjustable-length Download PDFInfo
- Publication number
- CN209494820U CN209494820U CN201822180076.3U CN201822180076U CN209494820U CN 209494820 U CN209494820 U CN 209494820U CN 201822180076 U CN201822180076 U CN 201822180076U CN 209494820 U CN209494820 U CN 209494820U
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- China
- Prior art keywords
- head
- connecting rod
- bolt
- horizontal
- rod
- Prior art date
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Abstract
The utility model relates to a kind of bearing surface projection welding bolts of adjustable-length, the bolt includes bolt head, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone guide head, the horizontal one side of the bolt head and the horizontal one side of head connecting rod are coaxially connected setting, the horizontal one side of the bar connecting rod and horizontal one side of screw rod is coaxially connected is set together, the horizontal another side of the screw rod and the horizontal one side of isosceles cone guide head are coaxially connected setting, coaxial threaded engages installation middle brace rod between the head connecting rod and bar connecting rod.This bolt setting isosceles cone guide head more easily by with the bolt match setting connector connection through-hole, and then play the role of guiding, so that the installation of the bolt is more quick, convenient, it is time saving and energy saving, the bolt can satisfy more use demands, the use scope for expanding bolt brings great convenience to production and use.
Description
Technical field
The utility model belongs to fastening connection piece technical field, the bearing surface projection welding bolt of especially a kind of adjustable-length.
Background technique
Currently, in production and life, it is often necessary to welding bolt is used, although having existed the weldering of numerous species
It connects with bolt, but cannot still satisfy the use demand, for example, welding bolt is being installed to and the screw thread of its setting that matches connects
More time-consuming when connecting in hole, for another example, the length of current existing bolt is fixed greatly, uses field in different
Under conjunction, it is sometimes desirable to using the bolt of different length, bring inconvenience to production and use, therefore need it is one or more of newly
Welding is satisfied the use demand with bolt.
Summary of the invention
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, a kind of bearing surface projection welding of adjustable-length is provided
Bolt, the isosceles cone guide head of bolt setting more easily by with the bolt match setting connector connection it is logical
Hole, and then play the role of guiding, so that the installation of the bolt is more quick, convenient, time saving and energy saving, which be can satisfy more
More use demands expands the use scope of bolt, brings great convenience to production and use.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of bearing surface projection welding bolt of adjustable-length, the bolt include bolt head, head connecting rod, middle brace rod, bar
Connecting rod, screw rod and isosceles cone guide head, the horizontal one side of the bolt head and the horizontal one side of head connecting rod are same
Axis is connected setting, the horizontal one side of the bar connecting rod and horizontal one side of screw rod is coaxially connected is set together, should
The horizontal another side of screw rod and the horizontal one side of isosceles cone guide head are coaxially connected setting, the head connecting rod with
Coaxial threaded engagement installation 1 or 2 or more middle brace rod between bar connecting rod；
The horizontal another side of the head connecting rod, which is coaxially connected, is formed with the ladder-like connection bump portion of outwardly convex, institute
The ladder-like connection hollow portion for being formed with and being recessed inwardly in the horizontal side of middle brace rod is stated, the level one of the middle brace rod is another
Side, which is also coaxially connected, is formed with the ladder-like connection bump portion of outwardly convex；In the horizontal another side of the bar connecting rod
Coaxially it is formed with the ladder-like connection hollow portion being recessed inwardly；The ladder-like connection bump portion and ladder-like connection hollow portion phase
With setting, engagement connection screw thread, the ladder-like connection hollow portion are produced on the outer surface in the ladder-like connection bump portion
Engagement connection screw thread, the screw thread phase of the screw thread in the ladder-like connection bump portion and ladder-like connection hollow portion are produced on inner surface
Matching setting, the ladder-like connection bump portion can engage peace by the screw thread for the setting that matches with ladder-like connection hollow portion
It is fitted together；The head connecting rod, middle brace rod, bar connecting rod, screw rod diameter be equal, the ladder-like connection bump
Portion, the ladder-like diameter for connecting hollow portion are respectively less than the diameter of screw rod；
The head connecting rod, middle brace rod, bar connecting rod are by ladder-like connection bump portion and ladder-like connection
Empty portion's screw thread engagement is installed together；
The isosceles cone guide head be in isosceles cone shape, the one of the isosceles cone guide head being connected with screw rod
The diameter of side and the diameter of screw rod are equal, and the diameter of the horizontal another side of the isosceles cone guide head is less than the straight of screw rod
Diameter, the angle between opposite two waists of the isosceles cone guide head is 90 °；
The horizontal two sides of the bolt head are plane setting, and the outer surface of the screw rod is formed with engagement connection screw thread
4；The bolt head, head connecting rod, screw rod diameter be sequentially reduced, head connection bar side bolt head can be welded on one with solder joint
It rises, which is arranged on the connector for the setting that matches with the bolt；
The diameter of the bolt head is 25~25.5mm, and the horizontal breadth of the bolt head is 2.5~2.7mm；The head
The sum of connecting rod, middle brace rod, horizontal length of bar connecting rod are 20~28mm, this connecting rod, middle brace rod, bar connect
The diameter of extension bar is 14.8~15mm；The sum of horizontal length of the screw rod and isosceles cone guide head be 30.5~
31.2mm, the diameter of the one side of the separate screw rod of the isosceles cone guide head are 3mm, and the diameter of the screw rod is 6mm.
Moreover, the bolt head, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone guide head
Material is boron steel.
Moreover, the hardness HRC of the bolt is 28~32.
The advantages of the utility model obtains and good effect are:
1, this bolt includes bolt head, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone guiding
Head, when in use, by being set together with the match solder joint of connector of setting of the bolt with this bolt welding, due to setting
Isosceles cone guide head is set, isosceles cone guide head is in isosceles cone shape, the isosceles cone being connected with screw rod
The diameter of the one side of guide head and the diameter of screw rod are equal, and the diameter of the horizontal another side of the isosceles cone guide head is small
In the diameter of screw rod, when in use, isosceles cone guide head more easily by the setting that matches with the bolt connector
Through-hole is connected, and then plays the role of guiding, so that the installation of the bolt is more quick, convenient, time saving and energy saving, which can
Meet more use demands, expand the use scope of bolt, brings great convenience to production and use；
In addition, due to being provided with head connecting rod, middle brace rod, bar connecting rod, the horizontal another side of head connecting rod is same
Axis, which is connected, is formed with the ladder-like connection bump portion of outwardly convex, is formed with the rank being recessed inwardly in the horizontal side of middle brace rod
Scalariform connects hollow portion, and the another side of level one of the middle brace rod, which is also coaxially connected, is formed with the ladder-like connection of outwardly convex
Lug boss is also coaxially formed with the ladder-like connection hollow portion being recessed inwardly, head connecting rod in the horizontal another side of bar connecting rod
The middle brace rod that coaxial threaded engages installation 1 or 2 or more between bar connecting rod therefore when in use, can basis
The usage quantity of middle brace rod adjusts the length of the bolt, installation and convenient disassembly, brings convenience to using, further
Meet use demand.
In addition, the horizontal two sides of the bolt head are plane setting, convenient for production and use.
Meanwhile the diameter of the bolt head of this bolt is 25~25.5mm, the horizontal breadth of bolt head is 2.5~2.7mm；Head
Connecting rod, middle brace rod, bar connecting rod diameter be 14.8~15mm；The horizontal length of screw rod and isosceles cone guide head
The sum of be 30.5~31.2mm, the diameter of the one side of separate the screw rod of isosceles cone guide head is 3mm, and the diameter of screw rod is
6mm, the diameter at the top of the guide cone scapus are 3-4mm, and the setting of this kind of structure, so that the bolt is more secured, structure is simple
It is single, it is easy to make.
2, the bolt head of this bolt, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone guide head
Material be boron steel (i.e. 10B21), improve the bolt nail hardness, make its using when be hardly damaged, extend the bolt
Service life.
Detailed description of the invention
Fig. 1 is the structure connection diagram of the utility model.
Specific embodiment
Below with reference to by specific embodiment, the utility model is described in further detail, following embodiment is descriptive
, it is not restrictive, protection scope of this utility model cannot be limited by this.
The structure that the utility model is not described in detail specifically can be understood as the conventional structure of this field.
A kind of bearing surface projection welding bolt of adjustable-length, as shown in Figure 1, the bolt include bolt head 1, head connecting rod 2, in
Between connecting rod 8, bar connecting rod 9, screw rod 3 and isosceles cone guide head 5, the horizontal one side of the bolt head and head connecting rod
Horizontal one side be coaxially connected setting, the horizontal one side of the bar connecting rod and the horizontal one side of screw rod are coaxially connected
It being set together, the horizontal another side of the screw rod and the horizontal one side of isosceles cone guide head are coaxially connected setting,
Coaxial threaded engages the middle brace rod of installation 1 or 2 or more between the head connecting rod and bar connecting rod；
The horizontal another side of the head connecting rod, which is coaxially connected, is formed with the ladder-like connection bump portion 6 of outwardly convex,
The ladder-like connection hollow portion 7 being recessed inwardly, the level of the middle brace rod are formed in the horizontal side of the middle brace rod
One another side, which is also coaxially connected, is formed with the ladder-like connection bump portion of outwardly convex；The horizontal another side of the bar connecting rod
Inside also coaxially it is formed with the ladder-like connection hollow portion being recessed inwardly；The ladder-like connection bump portion and ladder-like connection hollow portion
Match setting, produces on the outer surface in the ladder-like connection bump portion and engages connection screw thread, in the ladder-like connection
Engagement connection screw thread, the spiral shell of the screw thread in the ladder-like connection bump portion and ladder-like connection hollow portion are produced on empty portion's inner surface
Line matches setting, and the ladder-like connection bump portion can be nibbled with ladder-like connection hollow portion by the screw thread for the setting that matches
Conjunction is installed together；The head connecting rod, middle brace rod, bar connecting rod, screw rod diameter be equal, the ladder-like connection
Lug boss, the ladder-like diameter for connecting hollow portion are respectively less than the diameter of screw rod；
The head connecting rod, middle brace rod, bar connecting rod are by ladder-like connection bump portion and ladder-like connection
Empty portion's screw thread engagement is installed together；
The isosceles cone guide head be in isosceles cone shape, the one of the isosceles cone guide head being connected with screw rod
The diameter of side and the diameter of screw rod are equal, and the diameter of the horizontal another side of the isosceles cone guide head is less than the straight of screw rod
Diameter, the angle between opposite two waists of the isosceles cone guide head is 90 °；
The horizontal two sides of the bolt head are plane setting, and the outer surface of the screw rod is formed with engagement connection screw thread
4；The bolt head, head connecting rod, screw rod diameter be sequentially reduced, head connection bar side bolt head can be welded on one with solder joint
It rises, which is arranged on the connector for the setting that matches with the bolt；
The diameter of the bolt head is 25~25.5mm, and the horizontal breadth of the bolt head is 2.5~2.7mm；The head
The sum of connecting rod, middle brace rod, horizontal length of bar connecting rod are 20~28mm, this connecting rod, middle brace rod, bar connect
The diameter of extension bar is 14.8~15mm；The sum of horizontal length of the screw rod and isosceles cone guide head be 30.5~
31.2mm, the diameter of the one side of the separate screw rod of the isosceles cone guide head are 3mm, and the diameter of the screw rod is 6mm.
This bolt includes bolt head, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone guide head,
When in use, by being set together with the match solder joint of connector of setting of the bolt with this bolt welding, due to setting
Isosceles cone guide heads, isosceles cone guide head are in isosceles cone shape, and the isosceles cone that is connected with screw rod is led
Diameter to the one side of head is equal with the diameter of screw rod, and the diameter of the horizontal another side of the isosceles cone guide head is less than
The diameter of screw rod, when in use, isosceles cone guide head more easily by with the bolt match setting connector company
Hole is connected, and then plays the role of guiding, so that the installation of the bolt is more quick, convenient, time saving and energy saving, which can expire
The more use demands of foot, expand the use scope of bolt, bring great convenience to production and use；
In addition, due to being provided with head connecting rod, middle brace rod, bar connecting rod, the horizontal another side of head connecting rod is same
Axis, which is connected, is formed with the ladder-like connection bump portion of outwardly convex, is formed with the rank being recessed inwardly in the horizontal side of middle brace rod
Scalariform connects hollow portion, and the another side of level one of the middle brace rod, which is also coaxially connected, is formed with the ladder-like connection of outwardly convex
Lug boss is also coaxially formed with the ladder-like connection hollow portion being recessed inwardly, head connecting rod in the horizontal another side of bar connecting rod
The middle brace rod that coaxial threaded engages installation 1 or 2 or more between bar connecting rod therefore when in use, can basis
The usage quantity of middle brace rod adjusts the length of the bolt, installation and convenient disassembly, brings convenience to using, further
Meet use demand.
In addition, the horizontal two sides of the bolt head are plane setting, convenient for production and use.
Meanwhile the diameter of the bolt head of this bolt is 25~25.5mm, the horizontal breadth of bolt head is 2.5~2.7mm；Head
Connecting rod, middle brace rod, bar connecting rod diameter be 14.8~15mm；The horizontal length of screw rod and isosceles cone guide head
The sum of be 30.5~31.2mm, the diameter of the one side of separate the screw rod of isosceles cone guide head is 3mm, and the diameter of screw rod is
6mm, the diameter at the top of the guide cone scapus are 3-4mm, and the setting of this kind of structure, so that the bolt is more secured, structure is simple
It is single, it is easy to make.
In the present embodiment, the bolt head, head connecting rod, middle brace rod, bar connecting rod, screw rod and isosceles cone
The material of guide head is boron steel (i.e. 10B21), improve the bolt nail hardness, make its using when be hardly damaged, extend
The service life of the bolt.
In the present embodiment, the hardness HRC of the bolt is 28~32.
Although disclosing the embodiments of the present invention for the purpose of illustration, it will be appreciated by those skilled in the art that:
Do not departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the utility model is not limited to the embodiment disclosure of that.
Claims (3)
1. a kind of bearing surface projection welding bolt of adjustable-length, it is characterised in that: the bolt includes bolt head, head connecting rod, centre
Connecting rod, bar connecting rod, screw rod and isosceles cone guide head, the horizontal one side of the bolt head and the level of head connecting rod
One side is coaxially connected setting, and the horizontal one side of the bar connecting rod and the coaxially connected setting of the horizontal one side of screw rod exist
Together, the horizontal another side of the screw rod and the horizontal one side of isosceles cone guide head are coaxially connected setting, the head
Coaxial threaded engages the middle brace rod of installation 1 or 2 or more between connecting rod and bar connecting rod；
The horizontal another side of the head connecting rod, which is coaxially connected, is formed with the ladder-like connection bump portion of outwardly convex, it is described in
Between connecting rod horizontal side in be formed with the ladder-like connection hollow portion being recessed inwardly, the another side of level one of the middle brace rod
Also coaxially it is connected and is formed with the ladder-like connection bump portion of outwardly convex；It is also coaxial in the horizontal another side of the bar connecting rod
It is formed with the ladder-like connection hollow portion being recessed inwardly；The ladder-like connection bump portion matches with ladder-like connection hollow portion to be set
It sets, engagement connection screw thread, table in the ladder-like connection hollow portion is produced on the outer surface in the ladder-like connection bump portion
Engagement connection screw thread is produced on face, the screw thread in the ladder-like connection bump portion and the screw thread of ladder-like connection hollow portion match
Setting, the ladder-like connection bump portion can be engaged by the screw thread for the setting that matches with ladder-like connection hollow portion and is mounted on
Together；The head connecting rod, middle brace rod, bar connecting rod, screw rod diameter be equal, the ladder-like connection bump portion,
The diameter of ladder-like connection hollow portion is respectively less than the diameter of screw rod；
The head connecting rod, middle brace rod, bar connecting rod pass through ladder-like connection bump portion and ladder-like connection hollow portion
Screw thread engagement is installed together；
The isosceles cone guide head is in isosceles cone shape, the one side for the isosceles cone guide head being connected with screw rod
Diameter it is equal with the diameter of screw rod, the diameter of the horizontal another side of the isosceles cone guide head is less than the diameter of screw rod,
Angle between opposite two waists of the isosceles cone guide head is 90 °；
The horizontal two sides of the bolt head are plane setting, and the outer surface of the screw rod is formed with engagement connection screw thread 4；Institute
State bolt head, head connecting rod, screw rod diameter be sequentially reduced, head connection bar side bolt head can weld together with solder joint,
The solder joint is arranged on the connector for the setting that matches with the bolt；
The diameter of the bolt head is 25~25.5mm, and the horizontal breadth of the bolt head is 2.5~2.7mm；The head connection
Bar, middle brace rod, bar connecting rod horizontal length be 20~28mm, this connecting rod, middle brace rod, bar connecting rod it is straight
Diameter is 14.8~15mm；The sum of horizontal length of the screw rod and isosceles cone guide head is 30.5~31.2mm, described etc.
The diameter of the one side of the separate screw rod of oval cone guide head is 3mm, and the diameter of the screw rod is 6mm.
2. the bearing surface projection welding bolt of adjustable-length according to claim 1, it is characterised in that: the bolt head, head connection
Bar, middle brace rod, bar connecting rod, the material of screw rod and isosceles cone guide head are boron steel.
3. the bearing surface projection welding bolt of adjustable-length according to claim 1 or 2, it is characterised in that: the hardness of the bolt
HRC is 28~32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180076.3U CN209494820U (en) | 2018-12-25 | 2018-12-25 | A kind of bearing surface projection welding bolt of adjustable-length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822180076.3U CN209494820U (en) | 2018-12-25 | 2018-12-25 | A kind of bearing surface projection welding bolt of adjustable-length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494820U true CN209494820U (en) | 2019-10-15 |
Family
ID=68153665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822180076.3U Expired - Fee Related CN209494820U (en) | 2018-12-25 | 2018-12-25 | A kind of bearing surface projection welding bolt of adjustable-length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494820U (en) |
-
2018
- 2018-12-25 CN CN201822180076.3U patent/CN209494820U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191015 Termination date: 20211225 |