CN204704239U - A kind of V-type track bar clamping bolt - Google Patents
A kind of V-type track bar clamping bolt Download PDFInfo
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- CN204704239U CN204704239U CN201520418525.7U CN201520418525U CN204704239U CN 204704239 U CN204704239 U CN 204704239U CN 201520418525 U CN201520418525 U CN 201520418525U CN 204704239 U CN204704239 U CN 204704239U
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Abstract
A kind of V-type track bar clamping bolt, comprise bolt head, bolt body, described bolt body comprises cylindrical section, bolt guide surface, chamfering, and described cylindrical section comprises smooth section and thread section, and described bolt guide surface comprises larger diameter end and smaller diameter end; The upper end of described smooth section is connected with the lower end of bolt head, the lower end of smooth section is connected with the upper end of thread section, the lower end of thread section is connected with larger diameter end, larger diameter end is connected with smaller diameter end, smaller diameter end is connected with the upper end of chamfering, the diameter of described larger diameter end is less than or equal to the diameter of cylindrical section cross section, and the bottom of described thread section is threaded with V-type track bar bracket mounting hole.The design not only installs easily, efficiency of assembling is high, and assembles effective.
Description
Technical field
The utility model relates to a kind of clamping bolt, particularly relates to a kind of V-type track bar clamping bolt, is mainly applicable to the problem solving V-type track bar clamping bolt assembling difficulty.
Background technique
On the single shaft that track bar is mainly used in the rigid axle suspension of truck or passenger vehicle or two back axle heavy-duty car, be connected to vehicle frame and vehicle bridge, for transmitting tractive power, braking force and the corresponding moment of reaction thereof, prevent vehicle bridge to be shifted simultaneously.Track bar is mainly divided into straight track bar and V-type track bar, general straight track bar can only prevent from being shifted before and after vehicle bridge, and V-type track bar is shifted before and after vehicle bridge except preventing, vehicle bridge left and right sidesing shifting can also be prevented, thus when avoiding automobile turning, because vehicle bridge left and right sidesing shifting is comparatively large, cause leaf spring and tire to move interference, therefore the application commercially of V-type track bar is comparatively general.But due to the impact of the composite factors such as the foozle, the foozle of V-type track bar and the foozle of track bar bracket that are subject to vehicle frame itself, when making to install, the mounting hole of V-type track bar and track bar bracket easily misplaces, thus it is more difficult with track bar bracket to cause adopting standard bolt to connect V-type track bar.
Chinese patent Authorization Notice No. is CN203176119U, authorized announcement date is that the utility model patent on September 4th, 2013 discloses a kind of V-type track bar connecting bolt, comprise bolt head and bolt body, described bolt body comprises bolt leading portion, transition conical section and bolt back segment, described transition conical section comprises larger diameter end and smaller diameter end, described bolt back segment comprises smooth section and thread section, one end of described bolt leading portion is fixedly connected with bolt head, the other end of described bolt leading portion is fixedly connected with larger diameter end, described smaller diameter end is fixedly connected with one end of smooth section, the other end of described smooth section is fixedly connected with thread section.Although this model utility can realize assembling hole of V-type track bar fast, but still there is following defect: this model utility utilizes the diameter of bolt leading portion cross section to be greater than the diameter of bolt back segment cross section, bolt back segment is made to pass rapidly through ball pin hole, but the cross-sectional diameter of bolt back segment is larger, can not well bolt be embedded in V-type track bar bracket mounting hole in installation process, and transition circular cone section is positioned between bolt leading portion and bolt back segment, well can not realize the quick aligning of V-type track bar mounting hole and V-type track bar bracket mounting hole, install more difficult.
Summary of the invention
The purpose of this utility model is the defect and the problem that overcome the installation difficulty existed in prior art, provides a kind of and installs easier V-type track bar clamping bolt.
For realizing above object, technical solution of the present utility model is: a kind of V-type track bar clamping bolt, and comprise bolt head, bolt body, described bolt body comprises cylindrical section, chamfering, the upper end of described cylindrical section is connected with the lower end of bolt head, and the lower end of cylindrical section is provided with chamfering;
Described bolt body also comprises bolt guide surface, bolt guide surface comprises larger diameter end and smaller diameter end, the lower end of described cylindrical section is connected with larger diameter end, larger diameter end is connected with smaller diameter end, smaller diameter end is connected with the upper end of chamfering, and the diameter of described larger diameter end is less than or equal to the diameter of cylindrical section cross section.
The length of described cylindrical section, bolt guide surface, chamfering is than being 60:10:4.
The length of described bolt guide surface is 10mm, the diameter 2mm larger than the diameter of smaller diameter end of described larger diameter end.
The length of described chamfering is 4mm, and the angle of chamfering is 45 degree.
Described cylindrical section comprises smooth section and thread section, and the upper end of described smooth section is connected with the lower end of bolt head, and the lower end of smooth section is connected with the upper end of thread section, and the lower end of thread section is connected with larger diameter end.
Described thread section is 5:6 with the length ratio of cylindrical section.
The length of described smooth section is 10mm.
The bottom of described thread section is threaded with V-type track bar bracket mounting hole.
Compared with prior art, the beneficial effects of the utility model are:
1, because in a kind of V-type track bar of the utility model clamping bolt, bolt body also comprises bolt guide surface, bolt guide surface comprises larger diameter end and smaller diameter end, the lower end of described cylindrical section is connected with larger diameter end, larger diameter end is connected with smaller diameter end, smaller diameter end is connected with the upper end of chamfering, the diameter of described larger diameter end is less than or equal to the diameter of cylindrical section cross section, in assembly process, when V-type track bar mounting hole and V-type track bar bracket mounting hole decentraction, the bolt arranging chamfering more easily passes V-type track bar mounting hole and is embedded in V-type track bar bracket mounting hole, use air pressure gun urgent V-type track bar clamping bolt again, the larger diameter end of recycling bolt guide surface forms the leading role of conical surface with smaller diameter end and V-type track bar mounting hole and V-type track bar bracket mounting hole are matched concentric state by the distortion of rubber bushing for thrust rod, thus reach reduction installation difficulty, improve the object of efficiency of assembling.Therefore, the utility model installation is easy, efficiency of assembling is high.
2, because a kind of V-type track bar of the utility model clamping bolt middle cylindrical section comprises smooth section and thread section, the upper end of described smooth section is connected with the lower end of bolt head, the lower end of smooth section is connected with the upper end of thread section, the lower end of thread section is connected with larger diameter end, in assembly process, after thread section is positioned at bolt guide surface, can not suffer damage because of assembling, when V-type track bar mounting hole and V-type track bar bracket mounting hole are matched concentric state, thread section can closely cooperate by the internal thread well and on V-type track bar bracket, assemble effective.Therefore, the utility model assembling is effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of V-type track bar clamping bolt.
Fig. 2 is the structural representation of Fig. 1 middle cylindrical section, bolt guide surface.
Fig. 3 is installation diagram of the present utility model.
Fig. 4 is installation sectional view of the present utility model.
In figure: bolt head 1, bolt body 2, cylindrical section 21, smooth section 211, thread section 212, bolt guide surface 22, larger diameter end 221, smaller diameter end 222, chamfering 23, V-type track bar mounting hole 3, V-type track bar bracket mounting hole 4, V-type rubber bushing for thrust rod 5, V-type track bar clamping bolt 6, V-type track bar 7, V-type track bar bracket 8, longitudinal beam 9, frame cross 10.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail.
See Fig. 1 to Fig. 4, a kind of V-type track bar clamping bolt, comprise bolt head 1, bolt body 2, described bolt body 2 comprises cylindrical section 21, chamfering 23, the upper end of described cylindrical section 21 is connected with the lower end of bolt head 1, and the lower end of cylindrical section 21 is provided with chamfering 23;
Described bolt body 2 also comprises bolt guide surface 22, bolt guide surface 22 comprises larger diameter end 221 and smaller diameter end 222, the lower end of described cylindrical section 21 is connected with larger diameter end 221, larger diameter end 221 is connected with smaller diameter end 222, smaller diameter end 222 is connected with the upper end of chamfering 23, and the diameter of described larger diameter end 221 is less than or equal to the diameter of cylindrical section 21 cross section.
The length of described cylindrical section 21, bolt guide surface 22, chamfering 23 is than being 60:10:4.
The length of described bolt guide surface 22 is 10mm, the diameter 2mm larger than the diameter of smaller diameter end 222 of described larger diameter end 221.
The length of described chamfering 23 is 4mm, and the angle of chamfering 23 is 45 degree.
Described cylindrical section 21 comprises smooth section 211 and thread section 212, and the upper end of described smooth section 211 is connected with the lower end of bolt head 1, and the lower end of smooth section 211 is connected with the upper end of thread section 212, and the lower end of thread section 212 is connected with larger diameter end 221.
Described thread section 212 is 5:6 with the length ratio of cylindrical section 21.
The length of described smooth section 211 is 10mm.
The bottom of described thread section 212 is threaded with V-type track bar bracket mounting hole 4.
An assembly method for V-type track bar clamping bolt, described assembly method comprises the following steps successively:
When V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 decentraction, first the bolt being provided with chamfering 23 is embedded in V-type track bar bracket mounting hole 4 through V-type track bar mounting hole 3, again air pressure gun is installed sleeve, V-type track bar clamping bolt 6 is aimed to make sleeve, then high strong gas pressure is input in air pressure gun, rotate urgent V-type track bar clamping bolt 6 to drive the sleeve on air pressure gun, now, the degree of depth entered in two mounting holes along with V-type track bar clamping bolt 6 strengthens, the larger diameter end 221 of bolt guide surface 22 and smaller diameter end 222 form conical surface leading role the aperture of V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 intersection is supportted greatly, in addition the distortion of rubber bushing for thrust rod 5, and then V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 are matched concentric state, the internal thread of the bottom of cylindrical section 21 and V-type track bar bracket mounting hole 4 is finally utilized to carry out screw-thread fit, now, described assembly method terminates.
Principle of the present utility model is described as follows:
See Fig. 1 to Fig. 4, a kind of V-type track bar clamping bolt, comprise bolt head 1, bolt body 2, described bolt body 2 comprises cylindrical section 21, chamfering 23, the upper end of described cylindrical section 21 is connected with the lower end of bolt head 1, and the lower end of cylindrical section 21 is provided with chamfering 23; Described bolt body 2 also comprises bolt guide surface 22, bolt guide surface 22 comprises larger diameter end 221 and smaller diameter end 222, the lower end of described cylindrical section 21 is connected with larger diameter end 221, larger diameter end 221 is connected with smaller diameter end 222, smaller diameter end 222 is connected with the upper end of chamfering 23, and the diameter of described larger diameter end 221 is less than or equal to the diameter of cylindrical section 21 cross section; Described cylindrical section 21 comprises smooth section 211 and thread section 212, the upper end of described smooth section 211 is connected with the lower end of bolt head 1, the lower end of smooth section 211 is connected with the upper end of thread section 212, the lower end of thread section 212 is connected with larger diameter end 221, and the bottom of described thread section 212 is threaded with V-type track bar bracket mounting hole 4.
In assembly process, when V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 decentraction, because the aperture of V-type track bar mounting hole 3 and the aperture of V-type track bar bracket mounting hole 4 are all much larger than the front end minimum diameter of chamfering 23, when the dislocation aperture of two mounting holes is less than or equal to the front end minimum diameter of chamfering 23, the bolt being provided with chamfering 23 more easily passes V-type track bar mounting hole 3 and is embedded in V-type track bar bracket mounting hole 4, installing sleeve on the air pressure gun being commonly used to clamping bolt again in factory, sleeve is aimed at V-type track bar clamping bolt 6, then high strong gas pressure is utilized to be input in air pressure gun, the sleeve on air pressure gun is driven to rotate urgent V-type track bar clamping bolt 6, the degree of depth entered in two mounting holes along with V-type track bar clamping bolt 6 strengthens, the larger diameter end 221 of bolt guide surface 22 and smaller diameter end 222 form conical surface leading role the aperture of V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 intersection is supportted greatly, in addition a small amount of distortion of rubber bushing for thrust rod 5, and then V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 are matched concentric state, the internal thread of the bottom of thread section 212 and V-type track bar bracket mounting hole 4 is finally utilized to closely cooperate, thus reach reduction installation difficulty, improve the object of efficiency of assembling.
Embodiment:
See Fig. 1 to Fig. 4, a kind of V-type track bar clamping bolt, comprise bolt head 1, bolt body 2, described bolt body 2 comprises cylindrical section 21, chamfering 23, the upper end of described cylindrical section 21 is connected with the lower end of bolt head 1, and the lower end of cylindrical section 21 is provided with chamfering 23; Described bolt body 2 also comprises bolt guide surface 22, bolt guide surface 22 comprises larger diameter end 221 and smaller diameter end 222, the lower end of described cylindrical section 21 is connected with larger diameter end 221, larger diameter end 221 is connected with smaller diameter end 222, smaller diameter end 222 is connected with the upper end of chamfering 23, and the diameter of described larger diameter end 221 is less than or equal to the diameter of cylindrical section 21 cross section; Described cylindrical section 21 comprises smooth section 211 and thread section 212, the upper end of described smooth section 211 is connected with the lower end of bolt head 1, the lower end of smooth section 211 is connected with the upper end of thread section 212, the lower end of thread section 212 is connected with larger diameter end 221, and the bottom of described thread section 212 is threaded with V-type track bar bracket mounting hole 4.
By such scheme, a kind of assembly method of V-type track bar clamping bolt, described assembly method comprises the following steps successively: when V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 decentraction, first the bolt being provided with chamfering 23 is embedded in V-type track bar bracket mounting hole 4 through V-type track bar mounting hole 3, again air pressure gun is installed sleeve, V-type track bar clamping bolt 6 is aimed to make sleeve, then high strong gas pressure is input in air pressure gun, rotate urgent V-type track bar clamping bolt 6 to drive the sleeve on air pressure gun, now, the degree of depth entered in two mounting holes along with V-type track bar clamping bolt 6 strengthens, the larger diameter end 221 of bolt guide surface 22 and smaller diameter end 222 form conical surface leading role the aperture of V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 intersection is supportted greatly, in addition the distortion of rubber bushing for thrust rod 5, and then V-type track bar mounting hole 3 and V-type track bar bracket mounting hole 4 are matched concentric state, the internal thread of the bottom of thread section 212 and V-type track bar bracket mounting hole 4 is finally utilized to carry out screw-thread fit, now, described assembly method terminates.
Claims (8)
1. a V-type track bar clamping bolt, comprise bolt head (1), bolt body (2), described bolt body (2) comprises cylindrical section (21), chamfering (23), the upper end of described cylindrical section (21) is connected with the lower end of bolt head (1), the lower end of cylindrical section (21) is provided with chamfering (23), it is characterized in that:
Described bolt body (2) also comprises bolt guide surface (22), bolt guide surface (22) comprises larger diameter end (221) and smaller diameter end (222), the lower end of described cylindrical section (21) is connected with larger diameter end (221), larger diameter end (221) is connected with smaller diameter end (222), smaller diameter end (222) is connected with the upper end of chamfering (23), and the diameter of described larger diameter end (221) is less than or equal to the diameter of cylindrical section (21) cross section.
2. a kind of V-type track bar clamping bolt according to claim 1, is characterized in that: the length of described cylindrical section (21), bolt guide surface (22), chamfering (23) is than being 60:10:4.
3. a kind of V-type track bar clamping bolt according to claim 2, is characterized in that: the length of described bolt guide surface (22) is 10mm, the diameter 2mm larger than the diameter of smaller diameter end (222) of described larger diameter end (221).
4. a kind of V-type track bar clamping bolt according to claim 2, it is characterized in that: the length of described chamfering (23) is 4mm, the angle of chamfering (23) is 45 degree.
5. according to a kind of V-type track bar clamping bolt in claim 1 – 4 described in any one, it is characterized in that: described cylindrical section (21) comprises smooth section (211) and thread section (212), the upper end of described smooth section (211) is connected with the lower end of bolt head (1), the lower end of smooth section (211) is connected with the upper end of thread section (212), and the lower end of thread section (212) is connected with larger diameter end (221).
6. a kind of V-type track bar clamping bolt according to claim 5, is characterized in that: described thread section (212) is 5:6 with the length ratio of cylindrical section (21).
7. a kind of V-type track bar clamping bolt according to claim 6, is characterized in that: the length of described smooth section (211) is 10mm.
8. a kind of V-type track bar clamping bolt according to claim 5, is characterized in that: the bottom of described thread section (212) is threaded with V-type track bar bracket mounting hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418525.7U CN204704239U (en) | 2015-06-17 | 2015-06-17 | A kind of V-type track bar clamping bolt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520418525.7U CN204704239U (en) | 2015-06-17 | 2015-06-17 | A kind of V-type track bar clamping bolt |
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| CN204704239U true CN204704239U (en) | 2015-10-14 |
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| CN201520418525.7U Active CN204704239U (en) | 2015-06-17 | 2015-06-17 | A kind of V-type track bar clamping bolt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912895A (en) * | 2015-06-17 | 2015-09-16 | 东风商用车有限公司 | V-shaped thrust rod fastening bolt and assembling method thereof |
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2015
- 2015-06-17 CN CN201520418525.7U patent/CN204704239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912895A (en) * | 2015-06-17 | 2015-09-16 | 东风商用车有限公司 | V-shaped thrust rod fastening bolt and assembling method thereof |
| CN104912895B (en) * | 2015-06-17 | 2017-09-19 | 东风商用车有限公司 | A kind of V-type distance rod fastening bolt and its assembly method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |